PackageManagerService.java revision 12a692a5e8244cad6ae634cc0821e4e3590cfef6
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.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 45import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 46import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 47import static android.content.pm.PackageParser.isApkFile; 48import static android.os.Process.PACKAGE_INFO_GID; 49import static android.os.Process.SYSTEM_UID; 50import static android.system.OsConstants.O_CREAT; 51import static android.system.OsConstants.O_RDWR; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 53import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 54import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 55import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 56import static com.android.internal.util.ArrayUtils.appendInt; 57import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 58import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 59import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 60import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 61 62import android.util.ArrayMap; 63 64import com.android.internal.R; 65import com.android.internal.app.IMediaContainerService; 66import com.android.internal.app.ResolverActivity; 67import com.android.internal.content.NativeLibraryHelper; 68import com.android.internal.content.PackageHelper; 69import com.android.internal.os.IParcelFileDescriptorFactory; 70import com.android.internal.util.ArrayUtils; 71import com.android.internal.util.FastPrintWriter; 72import com.android.internal.util.FastXmlSerializer; 73import com.android.internal.util.IndentingPrintWriter; 74import com.android.server.EventLogTags; 75import com.android.server.IntentResolver; 76import com.android.server.LocalServices; 77import com.android.server.ServiceThread; 78import com.android.server.SystemConfig; 79import com.android.server.Watchdog; 80import com.android.server.pm.Settings.DatabaseVersion; 81import com.android.server.storage.DeviceStorageMonitorInternal; 82 83import org.xmlpull.v1.XmlSerializer; 84 85import android.app.ActivityManager; 86import android.app.ActivityManagerNative; 87import android.app.AppGlobals; 88import android.app.IActivityManager; 89import android.app.admin.IDevicePolicyManager; 90import android.app.backup.IBackupManager; 91import android.app.usage.UsageStats; 92import android.app.usage.UsageStatsManager; 93import android.content.BroadcastReceiver; 94import android.content.ComponentName; 95import android.content.Context; 96import android.content.IIntentReceiver; 97import android.content.Intent; 98import android.content.IntentFilter; 99import android.content.IntentSender; 100import android.content.IntentSender.SendIntentException; 101import android.content.ServiceConnection; 102import android.content.pm.ActivityInfo; 103import android.content.pm.ApplicationInfo; 104import android.content.pm.FeatureInfo; 105import android.content.pm.IPackageDataObserver; 106import android.content.pm.IPackageDeleteObserver; 107import android.content.pm.IPackageDeleteObserver2; 108import android.content.pm.IPackageInstallObserver2; 109import android.content.pm.IPackageInstaller; 110import android.content.pm.IPackageManager; 111import android.content.pm.IPackageMoveObserver; 112import android.content.pm.IPackageStatsObserver; 113import android.content.pm.InstrumentationInfo; 114import android.content.pm.KeySet; 115import android.content.pm.ManifestDigest; 116import android.content.pm.PackageCleanItem; 117import android.content.pm.PackageInfo; 118import android.content.pm.PackageInfoLite; 119import android.content.pm.PackageInstaller; 120import android.content.pm.PackageManager; 121import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 122import android.content.pm.PackageParser.ActivityIntentInfo; 123import android.content.pm.PackageParser.PackageLite; 124import android.content.pm.PackageParser.PackageParserException; 125import android.content.pm.PackageParser; 126import android.content.pm.PackageStats; 127import android.content.pm.PackageUserState; 128import android.content.pm.ParceledListSlice; 129import android.content.pm.PermissionGroupInfo; 130import android.content.pm.PermissionInfo; 131import android.content.pm.ProviderInfo; 132import android.content.pm.ResolveInfo; 133import android.content.pm.ServiceInfo; 134import android.content.pm.Signature; 135import android.content.pm.UserInfo; 136import android.content.pm.VerificationParams; 137import android.content.pm.VerifierDeviceIdentity; 138import android.content.pm.VerifierInfo; 139import android.content.res.Resources; 140import android.hardware.display.DisplayManager; 141import android.net.Uri; 142import android.os.Binder; 143import android.os.Build; 144import android.os.Bundle; 145import android.os.Environment; 146import android.os.Environment.UserEnvironment; 147import android.os.storage.IMountService; 148import android.os.storage.StorageManager; 149import android.os.Debug; 150import android.os.FileUtils; 151import android.os.Handler; 152import android.os.IBinder; 153import android.os.Looper; 154import android.os.Message; 155import android.os.Parcel; 156import android.os.ParcelFileDescriptor; 157import android.os.Process; 158import android.os.RemoteException; 159import android.os.SELinux; 160import android.os.ServiceManager; 161import android.os.SystemClock; 162import android.os.SystemProperties; 163import android.os.UserHandle; 164import android.os.UserManager; 165import android.security.KeyStore; 166import android.security.SystemKeyStore; 167import android.system.ErrnoException; 168import android.system.Os; 169import android.system.StructStat; 170import android.text.TextUtils; 171import android.text.format.DateUtils; 172import android.util.ArraySet; 173import android.util.AtomicFile; 174import android.util.DisplayMetrics; 175import android.util.EventLog; 176import android.util.ExceptionUtils; 177import android.util.Log; 178import android.util.LogPrinter; 179import android.util.PrintStreamPrinter; 180import android.util.Slog; 181import android.util.SparseArray; 182import android.util.SparseBooleanArray; 183import android.view.Display; 184 185import java.io.BufferedInputStream; 186import java.io.BufferedOutputStream; 187import java.io.BufferedReader; 188import java.io.File; 189import java.io.FileDescriptor; 190import java.io.FileNotFoundException; 191import java.io.FileOutputStream; 192import java.io.FileReader; 193import java.io.FilenameFilter; 194import java.io.IOException; 195import java.io.InputStream; 196import java.io.PrintWriter; 197import java.nio.charset.StandardCharsets; 198import java.security.NoSuchAlgorithmException; 199import java.security.PublicKey; 200import java.security.cert.CertificateEncodingException; 201import java.security.cert.CertificateException; 202import java.text.SimpleDateFormat; 203import java.util.ArrayList; 204import java.util.Arrays; 205import java.util.Collection; 206import java.util.Collections; 207import java.util.Comparator; 208import java.util.Date; 209import java.util.Iterator; 210import java.util.List; 211import java.util.Map; 212import java.util.Objects; 213import java.util.Set; 214import java.util.concurrent.atomic.AtomicBoolean; 215import java.util.concurrent.atomic.AtomicLong; 216 217import dalvik.system.DexFile; 218import dalvik.system.VMRuntime; 219 220import libcore.io.IoUtils; 221import libcore.util.EmptyArray; 222 223/** 224 * Keep track of all those .apks everywhere. 225 * 226 * This is very central to the platform's security; please run the unit 227 * tests whenever making modifications here: 228 * 229mmm frameworks/base/tests/AndroidTests 230adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 231adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 232 * 233 * {@hide} 234 */ 235public class PackageManagerService extends IPackageManager.Stub { 236 static final String TAG = "PackageManager"; 237 static final boolean DEBUG_SETTINGS = false; 238 static final boolean DEBUG_PREFERRED = false; 239 static final boolean DEBUG_UPGRADE = false; 240 private static final boolean DEBUG_INSTALL = false; 241 private static final boolean DEBUG_REMOVE = false; 242 private static final boolean DEBUG_BROADCASTS = false; 243 private static final boolean DEBUG_SHOW_INFO = false; 244 private static final boolean DEBUG_PACKAGE_INFO = false; 245 private static final boolean DEBUG_INTENT_MATCHING = false; 246 private static final boolean DEBUG_PACKAGE_SCANNING = false; 247 private static final boolean DEBUG_VERIFY = false; 248 private static final boolean DEBUG_DEXOPT = false; 249 private static final boolean DEBUG_ABI_SELECTION = false; 250 251 static final boolean RUNTIME_PERMISSIONS_ENABLED = 252 SystemProperties.getInt("ro.runtime.permissions.enabled", 0) == 1; 253 254 private static final int RADIO_UID = Process.PHONE_UID; 255 private static final int LOG_UID = Process.LOG_UID; 256 private static final int NFC_UID = Process.NFC_UID; 257 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 258 private static final int SHELL_UID = Process.SHELL_UID; 259 260 // Cap the size of permission trees that 3rd party apps can define 261 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 262 263 // Suffix used during package installation when copying/moving 264 // package apks to install directory. 265 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 266 267 static final int SCAN_NO_DEX = 1<<1; 268 static final int SCAN_FORCE_DEX = 1<<2; 269 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 270 static final int SCAN_NEW_INSTALL = 1<<4; 271 static final int SCAN_NO_PATHS = 1<<5; 272 static final int SCAN_UPDATE_TIME = 1<<6; 273 static final int SCAN_DEFER_DEX = 1<<7; 274 static final int SCAN_BOOTING = 1<<8; 275 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 276 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 277 static final int SCAN_REPLACING = 1<<11; 278 static final int SCAN_REQUIRE_KNOWN = 1<<12; 279 280 static final int REMOVE_CHATTY = 1<<16; 281 282 /** 283 * Timeout (in milliseconds) after which the watchdog should declare that 284 * our handler thread is wedged. The usual default for such things is one 285 * minute but we sometimes do very lengthy I/O operations on this thread, 286 * such as installing multi-gigabyte applications, so ours needs to be longer. 287 */ 288 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 289 290 /** 291 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 292 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 293 * settings entry if available, otherwise we use the hardcoded default. If it's been 294 * more than this long since the last fstrim, we force one during the boot sequence. 295 * 296 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 297 * one gets run at the next available charging+idle time. This final mandatory 298 * no-fstrim check kicks in only of the other scheduling criteria is never met. 299 */ 300 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 301 302 /** 303 * Whether verification is enabled by default. 304 */ 305 private static final boolean DEFAULT_VERIFY_ENABLE = true; 306 307 /** 308 * The default maximum time to wait for the verification agent to return in 309 * milliseconds. 310 */ 311 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 312 313 /** 314 * The default response for package verification timeout. 315 * 316 * This can be either PackageManager.VERIFICATION_ALLOW or 317 * PackageManager.VERIFICATION_REJECT. 318 */ 319 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 320 321 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 322 323 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 324 DEFAULT_CONTAINER_PACKAGE, 325 "com.android.defcontainer.DefaultContainerService"); 326 327 private static final String KILL_APP_REASON_GIDS_CHANGED = 328 "permission grant or revoke changed gids"; 329 330 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 331 "permissions revoked"; 332 333 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 334 335 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 336 337 /** Permission grant: not grant the permission. */ 338 private static final int GRANT_DENIED = 1; 339 340 /** Permission grant: grant the permission as an install permission. */ 341 private static final int GRANT_INSTALL = 2; 342 343 /** Permission grant: grant the permission as a runtime one. */ 344 private static final int GRANT_RUNTIME = 3; 345 346 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 347 private static final int GRANT_UPGRADE = 4; 348 349 final ServiceThread mHandlerThread; 350 351 final PackageHandler mHandler; 352 353 /** 354 * Messages for {@link #mHandler} that need to wait for system ready before 355 * being dispatched. 356 */ 357 private ArrayList<Message> mPostSystemReadyMessages; 358 359 final int mSdkVersion = Build.VERSION.SDK_INT; 360 361 final Context mContext; 362 final boolean mFactoryTest; 363 final boolean mOnlyCore; 364 final boolean mLazyDexOpt; 365 final long mDexOptLRUThresholdInMills; 366 final DisplayMetrics mMetrics; 367 final int mDefParseFlags; 368 final String[] mSeparateProcesses; 369 final boolean mIsUpgrade; 370 371 // This is where all application persistent data goes. 372 final File mAppDataDir; 373 374 // This is where all application persistent data goes for secondary users. 375 final File mUserAppDataDir; 376 377 /** The location for ASEC container files on internal storage. */ 378 final String mAsecInternalPath; 379 380 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 381 // LOCK HELD. Can be called with mInstallLock held. 382 final Installer mInstaller; 383 384 /** Directory where installed third-party apps stored */ 385 final File mAppInstallDir; 386 387 /** 388 * Directory to which applications installed internally have their 389 * 32 bit native libraries copied. 390 */ 391 private File mAppLib32InstallDir; 392 393 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 394 // apps. 395 final File mDrmAppPrivateInstallDir; 396 397 // ---------------------------------------------------------------- 398 399 // Lock for state used when installing and doing other long running 400 // operations. Methods that must be called with this lock held have 401 // the suffix "LI". 402 final Object mInstallLock = new Object(); 403 404 // ---------------------------------------------------------------- 405 406 // Keys are String (package name), values are Package. This also serves 407 // as the lock for the global state. Methods that must be called with 408 // this lock held have the prefix "LP". 409 final ArrayMap<String, PackageParser.Package> mPackages = 410 new ArrayMap<String, PackageParser.Package>(); 411 412 // Tracks available target package names -> overlay package paths. 413 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 414 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 415 416 final Settings mSettings; 417 boolean mRestoredSettings; 418 419 // System configuration read by SystemConfig. 420 final int[] mGlobalGids; 421 final SparseArray<ArraySet<String>> mSystemPermissions; 422 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 423 424 // If mac_permissions.xml was found for seinfo labeling. 425 boolean mFoundPolicyFile; 426 427 // If a recursive restorecon of /data/data/<pkg> is needed. 428 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 429 430 public static final class SharedLibraryEntry { 431 public final String path; 432 public final String apk; 433 434 SharedLibraryEntry(String _path, String _apk) { 435 path = _path; 436 apk = _apk; 437 } 438 } 439 440 // Currently known shared libraries. 441 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 442 new ArrayMap<String, SharedLibraryEntry>(); 443 444 // All available activities, for your resolving pleasure. 445 final ActivityIntentResolver mActivities = 446 new ActivityIntentResolver(); 447 448 // All available receivers, for your resolving pleasure. 449 final ActivityIntentResolver mReceivers = 450 new ActivityIntentResolver(); 451 452 // All available services, for your resolving pleasure. 453 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 454 455 // All available providers, for your resolving pleasure. 456 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 457 458 // Mapping from provider base names (first directory in content URI codePath) 459 // to the provider information. 460 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 461 new ArrayMap<String, PackageParser.Provider>(); 462 463 // Mapping from instrumentation class names to info about them. 464 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 465 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 466 467 // Mapping from permission names to info about them. 468 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 469 new ArrayMap<String, PackageParser.PermissionGroup>(); 470 471 // Packages whose data we have transfered into another package, thus 472 // should no longer exist. 473 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 474 475 // Broadcast actions that are only available to the system. 476 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 477 478 /** List of packages waiting for verification. */ 479 final SparseArray<PackageVerificationState> mPendingVerification 480 = new SparseArray<PackageVerificationState>(); 481 482 /** Set of packages associated with each app op permission. */ 483 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 484 485 final PackageInstallerService mInstallerService; 486 487 private final PackageDexOptimizer mPackageDexOptimizer; 488 // Cache of users who need badging. 489 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 490 491 /** Token for keys in mPendingVerification. */ 492 private int mPendingVerificationToken = 0; 493 494 volatile boolean mSystemReady; 495 volatile boolean mSafeMode; 496 volatile boolean mHasSystemUidErrors; 497 498 ApplicationInfo mAndroidApplication; 499 final ActivityInfo mResolveActivity = new ActivityInfo(); 500 final ResolveInfo mResolveInfo = new ResolveInfo(); 501 ComponentName mResolveComponentName; 502 PackageParser.Package mPlatformPackage; 503 ComponentName mCustomResolverComponentName; 504 505 boolean mResolverReplaced = false; 506 507 // Set of pending broadcasts for aggregating enable/disable of components. 508 static class PendingPackageBroadcasts { 509 // for each user id, a map of <package name -> components within that package> 510 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 511 512 public PendingPackageBroadcasts() { 513 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 514 } 515 516 public ArrayList<String> get(int userId, String packageName) { 517 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 518 return packages.get(packageName); 519 } 520 521 public void put(int userId, String packageName, ArrayList<String> components) { 522 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 523 packages.put(packageName, components); 524 } 525 526 public void remove(int userId, String packageName) { 527 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 528 if (packages != null) { 529 packages.remove(packageName); 530 } 531 } 532 533 public void remove(int userId) { 534 mUidMap.remove(userId); 535 } 536 537 public int userIdCount() { 538 return mUidMap.size(); 539 } 540 541 public int userIdAt(int n) { 542 return mUidMap.keyAt(n); 543 } 544 545 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 546 return mUidMap.get(userId); 547 } 548 549 public int size() { 550 // total number of pending broadcast entries across all userIds 551 int num = 0; 552 for (int i = 0; i< mUidMap.size(); i++) { 553 num += mUidMap.valueAt(i).size(); 554 } 555 return num; 556 } 557 558 public void clear() { 559 mUidMap.clear(); 560 } 561 562 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 563 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 564 if (map == null) { 565 map = new ArrayMap<String, ArrayList<String>>(); 566 mUidMap.put(userId, map); 567 } 568 return map; 569 } 570 } 571 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 572 573 // Service Connection to remote media container service to copy 574 // package uri's from external media onto secure containers 575 // or internal storage. 576 private IMediaContainerService mContainerService = null; 577 578 static final int SEND_PENDING_BROADCAST = 1; 579 static final int MCS_BOUND = 3; 580 static final int END_COPY = 4; 581 static final int INIT_COPY = 5; 582 static final int MCS_UNBIND = 6; 583 static final int START_CLEANING_PACKAGE = 7; 584 static final int FIND_INSTALL_LOC = 8; 585 static final int POST_INSTALL = 9; 586 static final int MCS_RECONNECT = 10; 587 static final int MCS_GIVE_UP = 11; 588 static final int UPDATED_MEDIA_STATUS = 12; 589 static final int WRITE_SETTINGS = 13; 590 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 591 static final int PACKAGE_VERIFIED = 15; 592 static final int CHECK_PENDING_VERIFICATION = 16; 593 594 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 595 596 // Delay time in millisecs 597 static final int BROADCAST_DELAY = 10 * 1000; 598 599 static UserManagerService sUserManager; 600 601 // Stores a list of users whose package restrictions file needs to be updated 602 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 603 604 final private DefaultContainerConnection mDefContainerConn = 605 new DefaultContainerConnection(); 606 class DefaultContainerConnection implements ServiceConnection { 607 public void onServiceConnected(ComponentName name, IBinder service) { 608 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 609 IMediaContainerService imcs = 610 IMediaContainerService.Stub.asInterface(service); 611 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 612 } 613 614 public void onServiceDisconnected(ComponentName name) { 615 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 616 } 617 }; 618 619 // Recordkeeping of restore-after-install operations that are currently in flight 620 // between the Package Manager and the Backup Manager 621 class PostInstallData { 622 public InstallArgs args; 623 public PackageInstalledInfo res; 624 625 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 626 args = _a; 627 res = _r; 628 } 629 }; 630 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 631 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 632 633 private final String mRequiredVerifierPackage; 634 635 private final PackageUsage mPackageUsage = new PackageUsage(); 636 637 private class PackageUsage { 638 private static final int WRITE_INTERVAL 639 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 640 641 private final Object mFileLock = new Object(); 642 private final AtomicLong mLastWritten = new AtomicLong(0); 643 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 644 645 private boolean mIsHistoricalPackageUsageAvailable = true; 646 647 boolean isHistoricalPackageUsageAvailable() { 648 return mIsHistoricalPackageUsageAvailable; 649 } 650 651 void write(boolean force) { 652 if (force) { 653 writeInternal(); 654 return; 655 } 656 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 657 && !DEBUG_DEXOPT) { 658 return; 659 } 660 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 661 new Thread("PackageUsage_DiskWriter") { 662 @Override 663 public void run() { 664 try { 665 writeInternal(); 666 } finally { 667 mBackgroundWriteRunning.set(false); 668 } 669 } 670 }.start(); 671 } 672 } 673 674 private void writeInternal() { 675 synchronized (mPackages) { 676 synchronized (mFileLock) { 677 AtomicFile file = getFile(); 678 FileOutputStream f = null; 679 try { 680 f = file.startWrite(); 681 BufferedOutputStream out = new BufferedOutputStream(f); 682 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 683 StringBuilder sb = new StringBuilder(); 684 for (PackageParser.Package pkg : mPackages.values()) { 685 if (pkg.mLastPackageUsageTimeInMills == 0) { 686 continue; 687 } 688 sb.setLength(0); 689 sb.append(pkg.packageName); 690 sb.append(' '); 691 sb.append((long)pkg.mLastPackageUsageTimeInMills); 692 sb.append('\n'); 693 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 694 } 695 out.flush(); 696 file.finishWrite(f); 697 } catch (IOException e) { 698 if (f != null) { 699 file.failWrite(f); 700 } 701 Log.e(TAG, "Failed to write package usage times", e); 702 } 703 } 704 } 705 mLastWritten.set(SystemClock.elapsedRealtime()); 706 } 707 708 void readLP() { 709 synchronized (mFileLock) { 710 AtomicFile file = getFile(); 711 BufferedInputStream in = null; 712 try { 713 in = new BufferedInputStream(file.openRead()); 714 StringBuffer sb = new StringBuffer(); 715 while (true) { 716 String packageName = readToken(in, sb, ' '); 717 if (packageName == null) { 718 break; 719 } 720 String timeInMillisString = readToken(in, sb, '\n'); 721 if (timeInMillisString == null) { 722 throw new IOException("Failed to find last usage time for package " 723 + packageName); 724 } 725 PackageParser.Package pkg = mPackages.get(packageName); 726 if (pkg == null) { 727 continue; 728 } 729 long timeInMillis; 730 try { 731 timeInMillis = Long.parseLong(timeInMillisString.toString()); 732 } catch (NumberFormatException e) { 733 throw new IOException("Failed to parse " + timeInMillisString 734 + " as a long.", e); 735 } 736 pkg.mLastPackageUsageTimeInMills = timeInMillis; 737 } 738 } catch (FileNotFoundException expected) { 739 mIsHistoricalPackageUsageAvailable = false; 740 } catch (IOException e) { 741 Log.w(TAG, "Failed to read package usage times", e); 742 } finally { 743 IoUtils.closeQuietly(in); 744 } 745 } 746 mLastWritten.set(SystemClock.elapsedRealtime()); 747 } 748 749 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 750 throws IOException { 751 sb.setLength(0); 752 while (true) { 753 int ch = in.read(); 754 if (ch == -1) { 755 if (sb.length() == 0) { 756 return null; 757 } 758 throw new IOException("Unexpected EOF"); 759 } 760 if (ch == endOfToken) { 761 return sb.toString(); 762 } 763 sb.append((char)ch); 764 } 765 } 766 767 private AtomicFile getFile() { 768 File dataDir = Environment.getDataDirectory(); 769 File systemDir = new File(dataDir, "system"); 770 File fname = new File(systemDir, "package-usage.list"); 771 return new AtomicFile(fname); 772 } 773 } 774 775 class PackageHandler extends Handler { 776 private boolean mBound = false; 777 final ArrayList<HandlerParams> mPendingInstalls = 778 new ArrayList<HandlerParams>(); 779 780 private boolean connectToService() { 781 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 782 " DefaultContainerService"); 783 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 784 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 785 if (mContext.bindServiceAsUser(service, mDefContainerConn, 786 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 787 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 788 mBound = true; 789 return true; 790 } 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 return false; 793 } 794 795 private void disconnectService() { 796 mContainerService = null; 797 mBound = false; 798 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 799 mContext.unbindService(mDefContainerConn); 800 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 801 } 802 803 PackageHandler(Looper looper) { 804 super(looper); 805 } 806 807 public void handleMessage(Message msg) { 808 try { 809 doHandleMessage(msg); 810 } finally { 811 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 812 } 813 } 814 815 void doHandleMessage(Message msg) { 816 switch (msg.what) { 817 case INIT_COPY: { 818 HandlerParams params = (HandlerParams) msg.obj; 819 int idx = mPendingInstalls.size(); 820 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 821 // If a bind was already initiated we dont really 822 // need to do anything. The pending install 823 // will be processed later on. 824 if (!mBound) { 825 // If this is the only one pending we might 826 // have to bind to the service again. 827 if (!connectToService()) { 828 Slog.e(TAG, "Failed to bind to media container service"); 829 params.serviceError(); 830 return; 831 } else { 832 // Once we bind to the service, the first 833 // pending request will be processed. 834 mPendingInstalls.add(idx, params); 835 } 836 } else { 837 mPendingInstalls.add(idx, params); 838 // Already bound to the service. Just make 839 // sure we trigger off processing the first request. 840 if (idx == 0) { 841 mHandler.sendEmptyMessage(MCS_BOUND); 842 } 843 } 844 break; 845 } 846 case MCS_BOUND: { 847 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 848 if (msg.obj != null) { 849 mContainerService = (IMediaContainerService) msg.obj; 850 } 851 if (mContainerService == null) { 852 // Something seriously wrong. Bail out 853 Slog.e(TAG, "Cannot bind to media container service"); 854 for (HandlerParams params : mPendingInstalls) { 855 // Indicate service bind error 856 params.serviceError(); 857 } 858 mPendingInstalls.clear(); 859 } else if (mPendingInstalls.size() > 0) { 860 HandlerParams params = mPendingInstalls.get(0); 861 if (params != null) { 862 if (params.startCopy()) { 863 // We are done... look for more work or to 864 // go idle. 865 if (DEBUG_SD_INSTALL) Log.i(TAG, 866 "Checking for more work or unbind..."); 867 // Delete pending install 868 if (mPendingInstalls.size() > 0) { 869 mPendingInstalls.remove(0); 870 } 871 if (mPendingInstalls.size() == 0) { 872 if (mBound) { 873 if (DEBUG_SD_INSTALL) Log.i(TAG, 874 "Posting delayed MCS_UNBIND"); 875 removeMessages(MCS_UNBIND); 876 Message ubmsg = obtainMessage(MCS_UNBIND); 877 // Unbind after a little delay, to avoid 878 // continual thrashing. 879 sendMessageDelayed(ubmsg, 10000); 880 } 881 } else { 882 // There are more pending requests in queue. 883 // Just post MCS_BOUND message to trigger processing 884 // of next pending install. 885 if (DEBUG_SD_INSTALL) Log.i(TAG, 886 "Posting MCS_BOUND for next work"); 887 mHandler.sendEmptyMessage(MCS_BOUND); 888 } 889 } 890 } 891 } else { 892 // Should never happen ideally. 893 Slog.w(TAG, "Empty queue"); 894 } 895 break; 896 } 897 case MCS_RECONNECT: { 898 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 899 if (mPendingInstalls.size() > 0) { 900 if (mBound) { 901 disconnectService(); 902 } 903 if (!connectToService()) { 904 Slog.e(TAG, "Failed to bind to media container service"); 905 for (HandlerParams params : mPendingInstalls) { 906 // Indicate service bind error 907 params.serviceError(); 908 } 909 mPendingInstalls.clear(); 910 } 911 } 912 break; 913 } 914 case MCS_UNBIND: { 915 // If there is no actual work left, then time to unbind. 916 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 917 918 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 919 if (mBound) { 920 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 921 922 disconnectService(); 923 } 924 } else if (mPendingInstalls.size() > 0) { 925 // There are more pending requests in queue. 926 // Just post MCS_BOUND message to trigger processing 927 // of next pending install. 928 mHandler.sendEmptyMessage(MCS_BOUND); 929 } 930 931 break; 932 } 933 case MCS_GIVE_UP: { 934 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 935 mPendingInstalls.remove(0); 936 break; 937 } 938 case SEND_PENDING_BROADCAST: { 939 String packages[]; 940 ArrayList<String> components[]; 941 int size = 0; 942 int uids[]; 943 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 944 synchronized (mPackages) { 945 if (mPendingBroadcasts == null) { 946 return; 947 } 948 size = mPendingBroadcasts.size(); 949 if (size <= 0) { 950 // Nothing to be done. Just return 951 return; 952 } 953 packages = new String[size]; 954 components = new ArrayList[size]; 955 uids = new int[size]; 956 int i = 0; // filling out the above arrays 957 958 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 959 int packageUserId = mPendingBroadcasts.userIdAt(n); 960 Iterator<Map.Entry<String, ArrayList<String>>> it 961 = mPendingBroadcasts.packagesForUserId(packageUserId) 962 .entrySet().iterator(); 963 while (it.hasNext() && i < size) { 964 Map.Entry<String, ArrayList<String>> ent = it.next(); 965 packages[i] = ent.getKey(); 966 components[i] = ent.getValue(); 967 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 968 uids[i] = (ps != null) 969 ? UserHandle.getUid(packageUserId, ps.appId) 970 : -1; 971 i++; 972 } 973 } 974 size = i; 975 mPendingBroadcasts.clear(); 976 } 977 // Send broadcasts 978 for (int i = 0; i < size; i++) { 979 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 980 } 981 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 982 break; 983 } 984 case START_CLEANING_PACKAGE: { 985 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 986 final String packageName = (String)msg.obj; 987 final int userId = msg.arg1; 988 final boolean andCode = msg.arg2 != 0; 989 synchronized (mPackages) { 990 if (userId == UserHandle.USER_ALL) { 991 int[] users = sUserManager.getUserIds(); 992 for (int user : users) { 993 mSettings.addPackageToCleanLPw( 994 new PackageCleanItem(user, packageName, andCode)); 995 } 996 } else { 997 mSettings.addPackageToCleanLPw( 998 new PackageCleanItem(userId, packageName, andCode)); 999 } 1000 } 1001 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1002 startCleaningPackages(); 1003 } break; 1004 case POST_INSTALL: { 1005 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1006 PostInstallData data = mRunningInstalls.get(msg.arg1); 1007 mRunningInstalls.delete(msg.arg1); 1008 boolean deleteOld = false; 1009 1010 if (data != null) { 1011 InstallArgs args = data.args; 1012 PackageInstalledInfo res = data.res; 1013 1014 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1015 res.removedInfo.sendBroadcast(false, true, false); 1016 Bundle extras = new Bundle(1); 1017 extras.putInt(Intent.EXTRA_UID, res.uid); 1018 1019 // Now that we successfully installed the package, grant runtime 1020 // permissions if requested before broadcasting the install. 1021 if ((args.installFlags 1022 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1023 grantRequestedRuntimePermissions(res.pkg, 1024 args.user.getIdentifier()); 1025 } 1026 1027 // Determine the set of users who are adding this 1028 // package for the first time vs. those who are seeing 1029 // an update. 1030 int[] firstUsers; 1031 int[] updateUsers = new int[0]; 1032 if (res.origUsers == null || res.origUsers.length == 0) { 1033 firstUsers = res.newUsers; 1034 } else { 1035 firstUsers = new int[0]; 1036 for (int i=0; i<res.newUsers.length; i++) { 1037 int user = res.newUsers[i]; 1038 boolean isNew = true; 1039 for (int j=0; j<res.origUsers.length; j++) { 1040 if (res.origUsers[j] == user) { 1041 isNew = false; 1042 break; 1043 } 1044 } 1045 if (isNew) { 1046 int[] newFirst = new int[firstUsers.length+1]; 1047 System.arraycopy(firstUsers, 0, newFirst, 0, 1048 firstUsers.length); 1049 newFirst[firstUsers.length] = user; 1050 firstUsers = newFirst; 1051 } else { 1052 int[] newUpdate = new int[updateUsers.length+1]; 1053 System.arraycopy(updateUsers, 0, newUpdate, 0, 1054 updateUsers.length); 1055 newUpdate[updateUsers.length] = user; 1056 updateUsers = newUpdate; 1057 } 1058 } 1059 } 1060 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1061 res.pkg.applicationInfo.packageName, 1062 extras, null, null, firstUsers); 1063 final boolean update = res.removedInfo.removedPackage != null; 1064 if (update) { 1065 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1066 } 1067 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1068 res.pkg.applicationInfo.packageName, 1069 extras, null, null, updateUsers); 1070 if (update) { 1071 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1072 res.pkg.applicationInfo.packageName, 1073 extras, null, null, updateUsers); 1074 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1075 null, null, 1076 res.pkg.applicationInfo.packageName, null, updateUsers); 1077 1078 // treat asec-hosted packages like removable media on upgrade 1079 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1080 if (DEBUG_INSTALL) { 1081 Slog.i(TAG, "upgrading pkg " + res.pkg 1082 + " is ASEC-hosted -> AVAILABLE"); 1083 } 1084 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1085 ArrayList<String> pkgList = new ArrayList<String>(1); 1086 pkgList.add(res.pkg.applicationInfo.packageName); 1087 sendResourcesChangedBroadcast(true, true, 1088 pkgList,uidArray, null); 1089 } 1090 } 1091 if (res.removedInfo.args != null) { 1092 // Remove the replaced package's older resources safely now 1093 deleteOld = true; 1094 } 1095 1096 // Log current value of "unknown sources" setting 1097 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1098 getUnknownSourcesSettings()); 1099 } 1100 // Force a gc to clear up things 1101 Runtime.getRuntime().gc(); 1102 // We delete after a gc for applications on sdcard. 1103 if (deleteOld) { 1104 synchronized (mInstallLock) { 1105 res.removedInfo.args.doPostDeleteLI(true); 1106 } 1107 } 1108 if (args.observer != null) { 1109 try { 1110 Bundle extras = extrasForInstallResult(res); 1111 args.observer.onPackageInstalled(res.name, res.returnCode, 1112 res.returnMsg, extras); 1113 } catch (RemoteException e) { 1114 Slog.i(TAG, "Observer no longer exists."); 1115 } 1116 } 1117 } else { 1118 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1119 } 1120 } break; 1121 case UPDATED_MEDIA_STATUS: { 1122 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1123 boolean reportStatus = msg.arg1 == 1; 1124 boolean doGc = msg.arg2 == 1; 1125 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1126 if (doGc) { 1127 // Force a gc to clear up stale containers. 1128 Runtime.getRuntime().gc(); 1129 } 1130 if (msg.obj != null) { 1131 @SuppressWarnings("unchecked") 1132 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1133 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1134 // Unload containers 1135 unloadAllContainers(args); 1136 } 1137 if (reportStatus) { 1138 try { 1139 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1140 PackageHelper.getMountService().finishMediaUpdate(); 1141 } catch (RemoteException e) { 1142 Log.e(TAG, "MountService not running?"); 1143 } 1144 } 1145 } break; 1146 case WRITE_SETTINGS: { 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1148 synchronized (mPackages) { 1149 removeMessages(WRITE_SETTINGS); 1150 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1151 mSettings.writeLPr(); 1152 mDirtyUsers.clear(); 1153 } 1154 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1155 } break; 1156 case WRITE_PACKAGE_RESTRICTIONS: { 1157 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1158 synchronized (mPackages) { 1159 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1160 for (int userId : mDirtyUsers) { 1161 mSettings.writePackageRestrictionsLPr(userId); 1162 } 1163 mDirtyUsers.clear(); 1164 } 1165 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1166 } break; 1167 case CHECK_PENDING_VERIFICATION: { 1168 final int verificationId = msg.arg1; 1169 final PackageVerificationState state = mPendingVerification.get(verificationId); 1170 1171 if ((state != null) && !state.timeoutExtended()) { 1172 final InstallArgs args = state.getInstallArgs(); 1173 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1174 1175 Slog.i(TAG, "Verification timed out for " + originUri); 1176 mPendingVerification.remove(verificationId); 1177 1178 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1179 1180 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1181 Slog.i(TAG, "Continuing with installation of " + originUri); 1182 state.setVerifierResponse(Binder.getCallingUid(), 1183 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1184 broadcastPackageVerified(verificationId, originUri, 1185 PackageManager.VERIFICATION_ALLOW, 1186 state.getInstallArgs().getUser()); 1187 try { 1188 ret = args.copyApk(mContainerService, true); 1189 } catch (RemoteException e) { 1190 Slog.e(TAG, "Could not contact the ContainerService"); 1191 } 1192 } else { 1193 broadcastPackageVerified(verificationId, originUri, 1194 PackageManager.VERIFICATION_REJECT, 1195 state.getInstallArgs().getUser()); 1196 } 1197 1198 processPendingInstall(args, ret); 1199 mHandler.sendEmptyMessage(MCS_UNBIND); 1200 } 1201 break; 1202 } 1203 case PACKAGE_VERIFIED: { 1204 final int verificationId = msg.arg1; 1205 1206 final PackageVerificationState state = mPendingVerification.get(verificationId); 1207 if (state == null) { 1208 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1209 break; 1210 } 1211 1212 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1213 1214 state.setVerifierResponse(response.callerUid, response.code); 1215 1216 if (state.isVerificationComplete()) { 1217 mPendingVerification.remove(verificationId); 1218 1219 final InstallArgs args = state.getInstallArgs(); 1220 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1221 1222 int ret; 1223 if (state.isInstallAllowed()) { 1224 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1225 broadcastPackageVerified(verificationId, originUri, 1226 response.code, state.getInstallArgs().getUser()); 1227 try { 1228 ret = args.copyApk(mContainerService, true); 1229 } catch (RemoteException e) { 1230 Slog.e(TAG, "Could not contact the ContainerService"); 1231 } 1232 } else { 1233 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1234 } 1235 1236 processPendingInstall(args, ret); 1237 1238 mHandler.sendEmptyMessage(MCS_UNBIND); 1239 } 1240 1241 break; 1242 } 1243 } 1244 } 1245 } 1246 1247 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId) { 1248 if (userId >= UserHandle.USER_OWNER) { 1249 grantRequestedRuntimePermissionsForUser(pkg, userId); 1250 } else if (userId == UserHandle.USER_ALL) { 1251 for (int someUserId : UserManagerService.getInstance().getUserIds()) { 1252 grantRequestedRuntimePermissionsForUser(pkg, someUserId); 1253 } 1254 } 1255 } 1256 1257 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId) { 1258 SettingBase sb = (SettingBase) pkg.mExtras; 1259 if (sb == null) { 1260 return; 1261 } 1262 1263 PermissionsState permissionsState = sb.getPermissionsState(); 1264 1265 for (String permission : pkg.requestedPermissions) { 1266 BasePermission bp = mSettings.mPermissions.get(permission); 1267 if (bp != null && bp.isRuntime()) { 1268 permissionsState.grantRuntimePermission(bp, userId); 1269 } 1270 } 1271 } 1272 1273 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1274 Bundle extras = null; 1275 switch (res.returnCode) { 1276 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1277 extras = new Bundle(); 1278 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1279 res.origPermission); 1280 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1281 res.origPackage); 1282 break; 1283 } 1284 } 1285 return extras; 1286 } 1287 1288 void scheduleWriteSettingsLocked() { 1289 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1290 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1291 } 1292 } 1293 1294 void scheduleWritePackageRestrictionsLocked(int userId) { 1295 if (!sUserManager.exists(userId)) return; 1296 mDirtyUsers.add(userId); 1297 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1298 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1299 } 1300 } 1301 1302 public static PackageManagerService main(Context context, Installer installer, 1303 boolean factoryTest, boolean onlyCore) { 1304 PackageManagerService m = new PackageManagerService(context, installer, 1305 factoryTest, onlyCore); 1306 ServiceManager.addService("package", m); 1307 return m; 1308 } 1309 1310 static String[] splitString(String str, char sep) { 1311 int count = 1; 1312 int i = 0; 1313 while ((i=str.indexOf(sep, i)) >= 0) { 1314 count++; 1315 i++; 1316 } 1317 1318 String[] res = new String[count]; 1319 i=0; 1320 count = 0; 1321 int lastI=0; 1322 while ((i=str.indexOf(sep, i)) >= 0) { 1323 res[count] = str.substring(lastI, i); 1324 count++; 1325 i++; 1326 lastI = i; 1327 } 1328 res[count] = str.substring(lastI, str.length()); 1329 return res; 1330 } 1331 1332 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1333 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1334 Context.DISPLAY_SERVICE); 1335 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1336 } 1337 1338 public PackageManagerService(Context context, Installer installer, 1339 boolean factoryTest, boolean onlyCore) { 1340 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1341 SystemClock.uptimeMillis()); 1342 1343 if (mSdkVersion <= 0) { 1344 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1345 } 1346 1347 mContext = context; 1348 mFactoryTest = factoryTest; 1349 mOnlyCore = onlyCore; 1350 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1351 mMetrics = new DisplayMetrics(); 1352 mSettings = new Settings(mPackages); 1353 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1354 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1355 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1356 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1357 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1358 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1359 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1360 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1361 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1362 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1363 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1364 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1365 1366 // TODO: add a property to control this? 1367 long dexOptLRUThresholdInMinutes; 1368 if (mLazyDexOpt) { 1369 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1370 } else { 1371 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1372 } 1373 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1374 1375 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1376 if (separateProcesses != null && separateProcesses.length() > 0) { 1377 if ("*".equals(separateProcesses)) { 1378 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1379 mSeparateProcesses = null; 1380 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1381 } else { 1382 mDefParseFlags = 0; 1383 mSeparateProcesses = separateProcesses.split(","); 1384 Slog.w(TAG, "Running with debug.separate_processes: " 1385 + separateProcesses); 1386 } 1387 } else { 1388 mDefParseFlags = 0; 1389 mSeparateProcesses = null; 1390 } 1391 1392 mInstaller = installer; 1393 mPackageDexOptimizer = new PackageDexOptimizer(this); 1394 1395 getDefaultDisplayMetrics(context, mMetrics); 1396 1397 SystemConfig systemConfig = SystemConfig.getInstance(); 1398 mGlobalGids = systemConfig.getGlobalGids(); 1399 mSystemPermissions = systemConfig.getSystemPermissions(); 1400 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1401 1402 synchronized (mInstallLock) { 1403 // writer 1404 synchronized (mPackages) { 1405 mHandlerThread = new ServiceThread(TAG, 1406 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1407 mHandlerThread.start(); 1408 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1409 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1410 1411 File dataDir = Environment.getDataDirectory(); 1412 mAppDataDir = new File(dataDir, "data"); 1413 mAppInstallDir = new File(dataDir, "app"); 1414 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1415 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1416 mUserAppDataDir = new File(dataDir, "user"); 1417 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1418 1419 sUserManager = new UserManagerService(context, this, 1420 mInstallLock, mPackages); 1421 1422 // Propagate permission configuration in to package manager. 1423 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1424 = systemConfig.getPermissions(); 1425 for (int i=0; i<permConfig.size(); i++) { 1426 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1427 BasePermission bp = mSettings.mPermissions.get(perm.name); 1428 if (bp == null) { 1429 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1430 mSettings.mPermissions.put(perm.name, bp); 1431 } 1432 if (perm.gids != null) { 1433 bp.setGids(perm.gids, perm.perUser); 1434 } 1435 } 1436 1437 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1438 for (int i=0; i<libConfig.size(); i++) { 1439 mSharedLibraries.put(libConfig.keyAt(i), 1440 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1441 } 1442 1443 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1444 1445 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1446 mSdkVersion, mOnlyCore); 1447 1448 String customResolverActivity = Resources.getSystem().getString( 1449 R.string.config_customResolverActivity); 1450 if (TextUtils.isEmpty(customResolverActivity)) { 1451 customResolverActivity = null; 1452 } else { 1453 mCustomResolverComponentName = ComponentName.unflattenFromString( 1454 customResolverActivity); 1455 } 1456 1457 long startTime = SystemClock.uptimeMillis(); 1458 1459 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1460 startTime); 1461 1462 // Set flag to monitor and not change apk file paths when 1463 // scanning install directories. 1464 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1465 1466 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1467 1468 /** 1469 * Add everything in the in the boot class path to the 1470 * list of process files because dexopt will have been run 1471 * if necessary during zygote startup. 1472 */ 1473 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1474 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1475 1476 if (bootClassPath != null) { 1477 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1478 for (String element : bootClassPathElements) { 1479 alreadyDexOpted.add(element); 1480 } 1481 } else { 1482 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1483 } 1484 1485 if (systemServerClassPath != null) { 1486 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1487 for (String element : systemServerClassPathElements) { 1488 alreadyDexOpted.add(element); 1489 } 1490 } else { 1491 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1492 } 1493 1494 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1495 final String[] dexCodeInstructionSets = 1496 getDexCodeInstructionSets( 1497 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1498 1499 /** 1500 * Ensure all external libraries have had dexopt run on them. 1501 */ 1502 if (mSharedLibraries.size() > 0) { 1503 // NOTE: For now, we're compiling these system "shared libraries" 1504 // (and framework jars) into all available architectures. It's possible 1505 // to compile them only when we come across an app that uses them (there's 1506 // already logic for that in scanPackageLI) but that adds some complexity. 1507 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1508 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1509 final String lib = libEntry.path; 1510 if (lib == null) { 1511 continue; 1512 } 1513 1514 try { 1515 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1516 dexCodeInstructionSet, 1517 false); 1518 if (dexoptRequired != DexFile.UP_TO_DATE) { 1519 alreadyDexOpted.add(lib); 1520 1521 // The list of "shared libraries" we have at this point is 1522 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1523 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1524 } else { 1525 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1526 } 1527 } 1528 } catch (FileNotFoundException e) { 1529 Slog.w(TAG, "Library not found: " + lib); 1530 } catch (IOException e) { 1531 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1532 + e.getMessage()); 1533 } 1534 } 1535 } 1536 } 1537 1538 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1539 1540 // Gross hack for now: we know this file doesn't contain any 1541 // code, so don't dexopt it to avoid the resulting log spew. 1542 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1543 1544 // Gross hack for now: we know this file is only part of 1545 // the boot class path for art, so don't dexopt it to 1546 // avoid the resulting log spew. 1547 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1548 1549 /** 1550 * And there are a number of commands implemented in Java, which 1551 * we currently need to do the dexopt on so that they can be 1552 * run from a non-root shell. 1553 */ 1554 String[] frameworkFiles = frameworkDir.list(); 1555 if (frameworkFiles != null) { 1556 // TODO: We could compile these only for the most preferred ABI. We should 1557 // first double check that the dex files for these commands are not referenced 1558 // by other system apps. 1559 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1560 for (int i=0; i<frameworkFiles.length; i++) { 1561 File libPath = new File(frameworkDir, frameworkFiles[i]); 1562 String path = libPath.getPath(); 1563 // Skip the file if we already did it. 1564 if (alreadyDexOpted.contains(path)) { 1565 continue; 1566 } 1567 // Skip the file if it is not a type we want to dexopt. 1568 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1569 continue; 1570 } 1571 try { 1572 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1573 dexCodeInstructionSet, 1574 false); 1575 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1576 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1577 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1578 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1579 } 1580 } catch (FileNotFoundException e) { 1581 Slog.w(TAG, "Jar not found: " + path); 1582 } catch (IOException e) { 1583 Slog.w(TAG, "Exception reading jar: " + path, e); 1584 } 1585 } 1586 } 1587 } 1588 1589 // Collect vendor overlay packages. 1590 // (Do this before scanning any apps.) 1591 // For security and version matching reason, only consider 1592 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1593 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1594 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1595 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1596 1597 // Find base frameworks (resource packages without code). 1598 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1599 | PackageParser.PARSE_IS_SYSTEM_DIR 1600 | PackageParser.PARSE_IS_PRIVILEGED, 1601 scanFlags | SCAN_NO_DEX, 0); 1602 1603 // Collected privileged system packages. 1604 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1605 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1606 | PackageParser.PARSE_IS_SYSTEM_DIR 1607 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1608 1609 // Collect ordinary system packages. 1610 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1611 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1612 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1613 1614 // Collect all vendor packages. 1615 File vendorAppDir = new File("/vendor/app"); 1616 try { 1617 vendorAppDir = vendorAppDir.getCanonicalFile(); 1618 } catch (IOException e) { 1619 // failed to look up canonical path, continue with original one 1620 } 1621 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1622 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1623 1624 // Collect all OEM packages. 1625 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1626 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1627 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1628 1629 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1630 mInstaller.moveFiles(); 1631 1632 // Prune any system packages that no longer exist. 1633 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1634 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1635 if (!mOnlyCore) { 1636 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1637 while (psit.hasNext()) { 1638 PackageSetting ps = psit.next(); 1639 1640 /* 1641 * If this is not a system app, it can't be a 1642 * disable system app. 1643 */ 1644 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1645 continue; 1646 } 1647 1648 /* 1649 * If the package is scanned, it's not erased. 1650 */ 1651 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1652 if (scannedPkg != null) { 1653 /* 1654 * If the system app is both scanned and in the 1655 * disabled packages list, then it must have been 1656 * added via OTA. Remove it from the currently 1657 * scanned package so the previously user-installed 1658 * application can be scanned. 1659 */ 1660 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1661 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1662 + ps.name + "; removing system app. Last known codePath=" 1663 + ps.codePathString + ", installStatus=" + ps.installStatus 1664 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1665 + scannedPkg.mVersionCode); 1666 removePackageLI(ps, true); 1667 expectingBetter.put(ps.name, ps.codePath); 1668 } 1669 1670 continue; 1671 } 1672 1673 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1674 psit.remove(); 1675 logCriticalInfo(Log.WARN, "System package " + ps.name 1676 + " no longer exists; wiping its data"); 1677 removeDataDirsLI(ps.name); 1678 } else { 1679 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1680 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1681 possiblyDeletedUpdatedSystemApps.add(ps.name); 1682 } 1683 } 1684 } 1685 } 1686 1687 //look for any incomplete package installations 1688 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1689 //clean up list 1690 for(int i = 0; i < deletePkgsList.size(); i++) { 1691 //clean up here 1692 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1693 } 1694 //delete tmp files 1695 deleteTempPackageFiles(); 1696 1697 // Remove any shared userIDs that have no associated packages 1698 mSettings.pruneSharedUsersLPw(); 1699 1700 if (!mOnlyCore) { 1701 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1702 SystemClock.uptimeMillis()); 1703 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 1704 1705 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1706 scanFlags | SCAN_REQUIRE_KNOWN, 0); 1707 1708 /** 1709 * Remove disable package settings for any updated system 1710 * apps that were removed via an OTA. If they're not a 1711 * previously-updated app, remove them completely. 1712 * Otherwise, just revoke their system-level permissions. 1713 */ 1714 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1715 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1716 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1717 1718 String msg; 1719 if (deletedPkg == null) { 1720 msg = "Updated system package " + deletedAppName 1721 + " no longer exists; wiping its data"; 1722 removeDataDirsLI(deletedAppName); 1723 } else { 1724 msg = "Updated system app + " + deletedAppName 1725 + " no longer present; removing system privileges for " 1726 + deletedAppName; 1727 1728 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1729 1730 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1731 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1732 } 1733 logCriticalInfo(Log.WARN, msg); 1734 } 1735 1736 /** 1737 * Make sure all system apps that we expected to appear on 1738 * the userdata partition actually showed up. If they never 1739 * appeared, crawl back and revive the system version. 1740 */ 1741 for (int i = 0; i < expectingBetter.size(); i++) { 1742 final String packageName = expectingBetter.keyAt(i); 1743 if (!mPackages.containsKey(packageName)) { 1744 final File scanFile = expectingBetter.valueAt(i); 1745 1746 logCriticalInfo(Log.WARN, "Expected better " + packageName 1747 + " but never showed up; reverting to system"); 1748 1749 final int reparseFlags; 1750 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1751 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1752 | PackageParser.PARSE_IS_SYSTEM_DIR 1753 | PackageParser.PARSE_IS_PRIVILEGED; 1754 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1755 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1756 | PackageParser.PARSE_IS_SYSTEM_DIR; 1757 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1758 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1759 | PackageParser.PARSE_IS_SYSTEM_DIR; 1760 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1761 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1762 | PackageParser.PARSE_IS_SYSTEM_DIR; 1763 } else { 1764 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1765 continue; 1766 } 1767 1768 mSettings.enableSystemPackageLPw(packageName); 1769 1770 try { 1771 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1772 } catch (PackageManagerException e) { 1773 Slog.e(TAG, "Failed to parse original system package: " 1774 + e.getMessage()); 1775 } 1776 } 1777 } 1778 } 1779 1780 // Now that we know all of the shared libraries, update all clients to have 1781 // the correct library paths. 1782 updateAllSharedLibrariesLPw(); 1783 1784 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1785 // NOTE: We ignore potential failures here during a system scan (like 1786 // the rest of the commands above) because there's precious little we 1787 // can do about it. A settings error is reported, though. 1788 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1789 false /* force dexopt */, false /* defer dexopt */); 1790 } 1791 1792 // Now that we know all the packages we are keeping, 1793 // read and update their last usage times. 1794 mPackageUsage.readLP(); 1795 1796 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1797 SystemClock.uptimeMillis()); 1798 Slog.i(TAG, "Time to scan packages: " 1799 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1800 + " seconds"); 1801 1802 // If the platform SDK has changed since the last time we booted, 1803 // we need to re-grant app permission to catch any new ones that 1804 // appear. This is really a hack, and means that apps can in some 1805 // cases get permissions that the user didn't initially explicitly 1806 // allow... it would be nice to have some better way to handle 1807 // this situation. 1808 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1809 != mSdkVersion; 1810 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1811 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1812 + "; regranting permissions for internal storage"); 1813 mSettings.mInternalSdkPlatform = mSdkVersion; 1814 1815 // For now runtime permissions are toggled via a system property. 1816 if (!RUNTIME_PERMISSIONS_ENABLED) { 1817 // Remove the runtime permissions state if the feature 1818 // was disabled by flipping the system property. 1819 mSettings.deleteRuntimePermissionsFiles(); 1820 } 1821 1822 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1823 | (regrantPermissions 1824 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1825 : 0)); 1826 1827 // If this is the first boot, and it is a normal boot, then 1828 // we need to initialize the default preferred apps. 1829 if (!mRestoredSettings && !onlyCore) { 1830 mSettings.readDefaultPreferredAppsLPw(this, 0); 1831 } 1832 1833 // If this is first boot after an OTA, and a normal boot, then 1834 // we need to clear code cache directories. 1835 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1836 if (mIsUpgrade && !onlyCore) { 1837 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1838 for (String pkgName : mSettings.mPackages.keySet()) { 1839 deleteCodeCacheDirsLI(pkgName); 1840 } 1841 mSettings.mFingerprint = Build.FINGERPRINT; 1842 } 1843 1844 // All the changes are done during package scanning. 1845 mSettings.updateInternalDatabaseVersion(); 1846 1847 // can downgrade to reader 1848 mSettings.writeLPr(); 1849 1850 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1851 SystemClock.uptimeMillis()); 1852 1853 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1854 } // synchronized (mPackages) 1855 } // synchronized (mInstallLock) 1856 1857 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1858 1859 // Now after opening every single application zip, make sure they 1860 // are all flushed. Not really needed, but keeps things nice and 1861 // tidy. 1862 Runtime.getRuntime().gc(); 1863 } 1864 1865 @Override 1866 public boolean isFirstBoot() { 1867 return !mRestoredSettings; 1868 } 1869 1870 @Override 1871 public boolean isOnlyCoreApps() { 1872 return mOnlyCore; 1873 } 1874 1875 @Override 1876 public boolean isUpgrade() { 1877 return mIsUpgrade; 1878 } 1879 1880 private String getRequiredVerifierLPr() { 1881 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1882 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1883 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1884 1885 String requiredVerifier = null; 1886 1887 final int N = receivers.size(); 1888 for (int i = 0; i < N; i++) { 1889 final ResolveInfo info = receivers.get(i); 1890 1891 if (info.activityInfo == null) { 1892 continue; 1893 } 1894 1895 final String packageName = info.activityInfo.packageName; 1896 1897 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 1898 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 1899 continue; 1900 } 1901 1902 if (requiredVerifier != null) { 1903 throw new RuntimeException("There can be only one required verifier"); 1904 } 1905 1906 requiredVerifier = packageName; 1907 } 1908 1909 return requiredVerifier; 1910 } 1911 1912 @Override 1913 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1914 throws RemoteException { 1915 try { 1916 return super.onTransact(code, data, reply, flags); 1917 } catch (RuntimeException e) { 1918 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1919 Slog.wtf(TAG, "Package Manager Crash", e); 1920 } 1921 throw e; 1922 } 1923 } 1924 1925 void cleanupInstallFailedPackage(PackageSetting ps) { 1926 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1927 1928 removeDataDirsLI(ps.name); 1929 if (ps.codePath != null) { 1930 if (ps.codePath.isDirectory()) { 1931 FileUtils.deleteContents(ps.codePath); 1932 } 1933 ps.codePath.delete(); 1934 } 1935 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1936 if (ps.resourcePath.isDirectory()) { 1937 FileUtils.deleteContents(ps.resourcePath); 1938 } 1939 ps.resourcePath.delete(); 1940 } 1941 mSettings.removePackageLPw(ps.name); 1942 } 1943 1944 static int[] appendInts(int[] cur, int[] add) { 1945 if (add == null) return cur; 1946 if (cur == null) return add; 1947 final int N = add.length; 1948 for (int i=0; i<N; i++) { 1949 cur = appendInt(cur, add[i]); 1950 } 1951 return cur; 1952 } 1953 1954 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1955 if (!sUserManager.exists(userId)) return null; 1956 final PackageSetting ps = (PackageSetting) p.mExtras; 1957 if (ps == null) { 1958 return null; 1959 } 1960 1961 final PermissionsState permissionsState = ps.getPermissionsState(); 1962 1963 final int[] gids = permissionsState.computeGids(userId); 1964 final Set<String> permissions = permissionsState.getPermissions(userId); 1965 final PackageUserState state = ps.readUserState(userId); 1966 1967 return PackageParser.generatePackageInfo(p, gids, flags, 1968 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 1969 } 1970 1971 @Override 1972 public boolean isPackageAvailable(String packageName, int userId) { 1973 if (!sUserManager.exists(userId)) return false; 1974 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1975 synchronized (mPackages) { 1976 PackageParser.Package p = mPackages.get(packageName); 1977 if (p != null) { 1978 final PackageSetting ps = (PackageSetting) p.mExtras; 1979 if (ps != null) { 1980 final PackageUserState state = ps.readUserState(userId); 1981 if (state != null) { 1982 return PackageParser.isAvailable(state); 1983 } 1984 } 1985 } 1986 } 1987 return false; 1988 } 1989 1990 @Override 1991 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1992 if (!sUserManager.exists(userId)) return null; 1993 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1994 // reader 1995 synchronized (mPackages) { 1996 PackageParser.Package p = mPackages.get(packageName); 1997 if (DEBUG_PACKAGE_INFO) 1998 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1999 if (p != null) { 2000 return generatePackageInfo(p, flags, userId); 2001 } 2002 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2003 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2004 } 2005 } 2006 return null; 2007 } 2008 2009 @Override 2010 public String[] currentToCanonicalPackageNames(String[] names) { 2011 String[] out = new String[names.length]; 2012 // reader 2013 synchronized (mPackages) { 2014 for (int i=names.length-1; i>=0; i--) { 2015 PackageSetting ps = mSettings.mPackages.get(names[i]); 2016 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2017 } 2018 } 2019 return out; 2020 } 2021 2022 @Override 2023 public String[] canonicalToCurrentPackageNames(String[] names) { 2024 String[] out = new String[names.length]; 2025 // reader 2026 synchronized (mPackages) { 2027 for (int i=names.length-1; i>=0; i--) { 2028 String cur = mSettings.mRenamedPackages.get(names[i]); 2029 out[i] = cur != null ? cur : names[i]; 2030 } 2031 } 2032 return out; 2033 } 2034 2035 @Override 2036 public int getPackageUid(String packageName, int userId) { 2037 if (!sUserManager.exists(userId)) return -1; 2038 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2039 2040 // reader 2041 synchronized (mPackages) { 2042 PackageParser.Package p = mPackages.get(packageName); 2043 if(p != null) { 2044 return UserHandle.getUid(userId, p.applicationInfo.uid); 2045 } 2046 PackageSetting ps = mSettings.mPackages.get(packageName); 2047 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2048 return -1; 2049 } 2050 p = ps.pkg; 2051 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2052 } 2053 } 2054 2055 @Override 2056 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2057 if (!sUserManager.exists(userId)) { 2058 return null; 2059 } 2060 2061 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2062 "getPackageGids"); 2063 2064 // reader 2065 synchronized (mPackages) { 2066 PackageParser.Package p = mPackages.get(packageName); 2067 if (DEBUG_PACKAGE_INFO) { 2068 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2069 } 2070 if (p != null) { 2071 PackageSetting ps = (PackageSetting) p.mExtras; 2072 return ps.getPermissionsState().computeGids(userId); 2073 } 2074 } 2075 2076 return null; 2077 } 2078 2079 static PermissionInfo generatePermissionInfo( 2080 BasePermission bp, int flags) { 2081 if (bp.perm != null) { 2082 return PackageParser.generatePermissionInfo(bp.perm, flags); 2083 } 2084 PermissionInfo pi = new PermissionInfo(); 2085 pi.name = bp.name; 2086 pi.packageName = bp.sourcePackage; 2087 pi.nonLocalizedLabel = bp.name; 2088 pi.protectionLevel = bp.protectionLevel; 2089 return pi; 2090 } 2091 2092 @Override 2093 public PermissionInfo getPermissionInfo(String name, int flags) { 2094 // reader 2095 synchronized (mPackages) { 2096 final BasePermission p = mSettings.mPermissions.get(name); 2097 if (p != null) { 2098 return generatePermissionInfo(p, flags); 2099 } 2100 return null; 2101 } 2102 } 2103 2104 @Override 2105 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2106 // reader 2107 synchronized (mPackages) { 2108 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2109 for (BasePermission p : mSettings.mPermissions.values()) { 2110 if (group == null) { 2111 if (p.perm == null || p.perm.info.group == null) { 2112 out.add(generatePermissionInfo(p, flags)); 2113 } 2114 } else { 2115 if (p.perm != null && group.equals(p.perm.info.group)) { 2116 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2117 } 2118 } 2119 } 2120 2121 if (out.size() > 0) { 2122 return out; 2123 } 2124 return mPermissionGroups.containsKey(group) ? out : null; 2125 } 2126 } 2127 2128 @Override 2129 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2130 // reader 2131 synchronized (mPackages) { 2132 return PackageParser.generatePermissionGroupInfo( 2133 mPermissionGroups.get(name), flags); 2134 } 2135 } 2136 2137 @Override 2138 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2139 // reader 2140 synchronized (mPackages) { 2141 final int N = mPermissionGroups.size(); 2142 ArrayList<PermissionGroupInfo> out 2143 = new ArrayList<PermissionGroupInfo>(N); 2144 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2145 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2146 } 2147 return out; 2148 } 2149 } 2150 2151 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2152 int userId) { 2153 if (!sUserManager.exists(userId)) return null; 2154 PackageSetting ps = mSettings.mPackages.get(packageName); 2155 if (ps != null) { 2156 if (ps.pkg == null) { 2157 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2158 flags, userId); 2159 if (pInfo != null) { 2160 return pInfo.applicationInfo; 2161 } 2162 return null; 2163 } 2164 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2165 ps.readUserState(userId), userId); 2166 } 2167 return null; 2168 } 2169 2170 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2171 int userId) { 2172 if (!sUserManager.exists(userId)) return null; 2173 PackageSetting ps = mSettings.mPackages.get(packageName); 2174 if (ps != null) { 2175 PackageParser.Package pkg = ps.pkg; 2176 if (pkg == null) { 2177 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2178 return null; 2179 } 2180 // Only data remains, so we aren't worried about code paths 2181 pkg = new PackageParser.Package(packageName); 2182 pkg.applicationInfo.packageName = packageName; 2183 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2184 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2185 pkg.applicationInfo.dataDir = 2186 getDataPathForPackage(packageName, 0).getPath(); 2187 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2188 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2189 } 2190 return generatePackageInfo(pkg, flags, userId); 2191 } 2192 return null; 2193 } 2194 2195 @Override 2196 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2197 if (!sUserManager.exists(userId)) return null; 2198 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2199 // writer 2200 synchronized (mPackages) { 2201 PackageParser.Package p = mPackages.get(packageName); 2202 if (DEBUG_PACKAGE_INFO) Log.v( 2203 TAG, "getApplicationInfo " + packageName 2204 + ": " + p); 2205 if (p != null) { 2206 PackageSetting ps = mSettings.mPackages.get(packageName); 2207 if (ps == null) return null; 2208 // Note: isEnabledLP() does not apply here - always return info 2209 return PackageParser.generateApplicationInfo( 2210 p, flags, ps.readUserState(userId), userId); 2211 } 2212 if ("android".equals(packageName)||"system".equals(packageName)) { 2213 return mAndroidApplication; 2214 } 2215 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2216 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2217 } 2218 } 2219 return null; 2220 } 2221 2222 2223 @Override 2224 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2225 mContext.enforceCallingOrSelfPermission( 2226 android.Manifest.permission.CLEAR_APP_CACHE, null); 2227 // Queue up an async operation since clearing cache may take a little while. 2228 mHandler.post(new Runnable() { 2229 public void run() { 2230 mHandler.removeCallbacks(this); 2231 int retCode = -1; 2232 synchronized (mInstallLock) { 2233 retCode = mInstaller.freeCache(freeStorageSize); 2234 if (retCode < 0) { 2235 Slog.w(TAG, "Couldn't clear application caches"); 2236 } 2237 } 2238 if (observer != null) { 2239 try { 2240 observer.onRemoveCompleted(null, (retCode >= 0)); 2241 } catch (RemoteException e) { 2242 Slog.w(TAG, "RemoveException when invoking call back"); 2243 } 2244 } 2245 } 2246 }); 2247 } 2248 2249 @Override 2250 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2251 mContext.enforceCallingOrSelfPermission( 2252 android.Manifest.permission.CLEAR_APP_CACHE, null); 2253 // Queue up an async operation since clearing cache may take a little while. 2254 mHandler.post(new Runnable() { 2255 public void run() { 2256 mHandler.removeCallbacks(this); 2257 int retCode = -1; 2258 synchronized (mInstallLock) { 2259 retCode = mInstaller.freeCache(freeStorageSize); 2260 if (retCode < 0) { 2261 Slog.w(TAG, "Couldn't clear application caches"); 2262 } 2263 } 2264 if(pi != null) { 2265 try { 2266 // Callback via pending intent 2267 int code = (retCode >= 0) ? 1 : 0; 2268 pi.sendIntent(null, code, null, 2269 null, null); 2270 } catch (SendIntentException e1) { 2271 Slog.i(TAG, "Failed to send pending intent"); 2272 } 2273 } 2274 } 2275 }); 2276 } 2277 2278 void freeStorage(long freeStorageSize) throws IOException { 2279 synchronized (mInstallLock) { 2280 if (mInstaller.freeCache(freeStorageSize) < 0) { 2281 throw new IOException("Failed to free enough space"); 2282 } 2283 } 2284 } 2285 2286 @Override 2287 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2288 if (!sUserManager.exists(userId)) return null; 2289 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2290 synchronized (mPackages) { 2291 PackageParser.Activity a = mActivities.mActivities.get(component); 2292 2293 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2294 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2295 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2296 if (ps == null) return null; 2297 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2298 userId); 2299 } 2300 if (mResolveComponentName.equals(component)) { 2301 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2302 new PackageUserState(), userId); 2303 } 2304 } 2305 return null; 2306 } 2307 2308 @Override 2309 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2310 String resolvedType) { 2311 synchronized (mPackages) { 2312 PackageParser.Activity a = mActivities.mActivities.get(component); 2313 if (a == null) { 2314 return false; 2315 } 2316 for (int i=0; i<a.intents.size(); i++) { 2317 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2318 intent.getData(), intent.getCategories(), TAG) >= 0) { 2319 return true; 2320 } 2321 } 2322 return false; 2323 } 2324 } 2325 2326 @Override 2327 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2328 if (!sUserManager.exists(userId)) return null; 2329 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2330 synchronized (mPackages) { 2331 PackageParser.Activity a = mReceivers.mActivities.get(component); 2332 if (DEBUG_PACKAGE_INFO) Log.v( 2333 TAG, "getReceiverInfo " + component + ": " + a); 2334 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2335 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2336 if (ps == null) return null; 2337 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2338 userId); 2339 } 2340 } 2341 return null; 2342 } 2343 2344 @Override 2345 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2346 if (!sUserManager.exists(userId)) return null; 2347 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2348 synchronized (mPackages) { 2349 PackageParser.Service s = mServices.mServices.get(component); 2350 if (DEBUG_PACKAGE_INFO) Log.v( 2351 TAG, "getServiceInfo " + component + ": " + s); 2352 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2353 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2354 if (ps == null) return null; 2355 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2356 userId); 2357 } 2358 } 2359 return null; 2360 } 2361 2362 @Override 2363 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2364 if (!sUserManager.exists(userId)) return null; 2365 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2366 synchronized (mPackages) { 2367 PackageParser.Provider p = mProviders.mProviders.get(component); 2368 if (DEBUG_PACKAGE_INFO) Log.v( 2369 TAG, "getProviderInfo " + component + ": " + p); 2370 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2371 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2372 if (ps == null) return null; 2373 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2374 userId); 2375 } 2376 } 2377 return null; 2378 } 2379 2380 @Override 2381 public String[] getSystemSharedLibraryNames() { 2382 Set<String> libSet; 2383 synchronized (mPackages) { 2384 libSet = mSharedLibraries.keySet(); 2385 int size = libSet.size(); 2386 if (size > 0) { 2387 String[] libs = new String[size]; 2388 libSet.toArray(libs); 2389 return libs; 2390 } 2391 } 2392 return null; 2393 } 2394 2395 /** 2396 * @hide 2397 */ 2398 PackageParser.Package findSharedNonSystemLibrary(String libName) { 2399 synchronized (mPackages) { 2400 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 2401 if (lib != null && lib.apk != null) { 2402 return mPackages.get(lib.apk); 2403 } 2404 } 2405 return null; 2406 } 2407 2408 @Override 2409 public FeatureInfo[] getSystemAvailableFeatures() { 2410 Collection<FeatureInfo> featSet; 2411 synchronized (mPackages) { 2412 featSet = mAvailableFeatures.values(); 2413 int size = featSet.size(); 2414 if (size > 0) { 2415 FeatureInfo[] features = new FeatureInfo[size+1]; 2416 featSet.toArray(features); 2417 FeatureInfo fi = new FeatureInfo(); 2418 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2419 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2420 features[size] = fi; 2421 return features; 2422 } 2423 } 2424 return null; 2425 } 2426 2427 @Override 2428 public boolean hasSystemFeature(String name) { 2429 synchronized (mPackages) { 2430 return mAvailableFeatures.containsKey(name); 2431 } 2432 } 2433 2434 private void checkValidCaller(int uid, int userId) { 2435 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2436 return; 2437 2438 throw new SecurityException("Caller uid=" + uid 2439 + " is not privileged to communicate with user=" + userId); 2440 } 2441 2442 @Override 2443 public int checkPermission(String permName, String pkgName, int userId) { 2444 if (!sUserManager.exists(userId)) { 2445 return PackageManager.PERMISSION_DENIED; 2446 } 2447 2448 synchronized (mPackages) { 2449 final PackageParser.Package p = mPackages.get(pkgName); 2450 if (p != null && p.mExtras != null) { 2451 final PackageSetting ps = (PackageSetting) p.mExtras; 2452 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2453 return PackageManager.PERMISSION_GRANTED; 2454 } 2455 } 2456 } 2457 2458 return PackageManager.PERMISSION_DENIED; 2459 } 2460 2461 @Override 2462 public int checkUidPermission(String permName, int uid) { 2463 final int userId = UserHandle.getUserId(uid); 2464 2465 if (!sUserManager.exists(userId)) { 2466 return PackageManager.PERMISSION_DENIED; 2467 } 2468 2469 synchronized (mPackages) { 2470 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2471 if (obj != null) { 2472 final SettingBase ps = (SettingBase) obj; 2473 if (ps.getPermissionsState().hasPermission(permName, userId)) { 2474 return PackageManager.PERMISSION_GRANTED; 2475 } 2476 } else { 2477 ArraySet<String> perms = mSystemPermissions.get(uid); 2478 if (perms != null && perms.contains(permName)) { 2479 return PackageManager.PERMISSION_GRANTED; 2480 } 2481 } 2482 } 2483 2484 return PackageManager.PERMISSION_DENIED; 2485 } 2486 2487 /** 2488 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2489 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2490 * @param checkShell TODO(yamasani): 2491 * @param message the message to log on security exception 2492 */ 2493 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2494 boolean checkShell, String message) { 2495 if (userId < 0) { 2496 throw new IllegalArgumentException("Invalid userId " + userId); 2497 } 2498 if (checkShell) { 2499 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2500 } 2501 if (userId == UserHandle.getUserId(callingUid)) return; 2502 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2503 if (requireFullPermission) { 2504 mContext.enforceCallingOrSelfPermission( 2505 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2506 } else { 2507 try { 2508 mContext.enforceCallingOrSelfPermission( 2509 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2510 } catch (SecurityException se) { 2511 mContext.enforceCallingOrSelfPermission( 2512 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2513 } 2514 } 2515 } 2516 } 2517 2518 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2519 if (callingUid == Process.SHELL_UID) { 2520 if (userHandle >= 0 2521 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2522 throw new SecurityException("Shell does not have permission to access user " 2523 + userHandle); 2524 } else if (userHandle < 0) { 2525 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2526 + Debug.getCallers(3)); 2527 } 2528 } 2529 } 2530 2531 private BasePermission findPermissionTreeLP(String permName) { 2532 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2533 if (permName.startsWith(bp.name) && 2534 permName.length() > bp.name.length() && 2535 permName.charAt(bp.name.length()) == '.') { 2536 return bp; 2537 } 2538 } 2539 return null; 2540 } 2541 2542 private BasePermission checkPermissionTreeLP(String permName) { 2543 if (permName != null) { 2544 BasePermission bp = findPermissionTreeLP(permName); 2545 if (bp != null) { 2546 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2547 return bp; 2548 } 2549 throw new SecurityException("Calling uid " 2550 + Binder.getCallingUid() 2551 + " is not allowed to add to permission tree " 2552 + bp.name + " owned by uid " + bp.uid); 2553 } 2554 } 2555 throw new SecurityException("No permission tree found for " + permName); 2556 } 2557 2558 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2559 if (s1 == null) { 2560 return s2 == null; 2561 } 2562 if (s2 == null) { 2563 return false; 2564 } 2565 if (s1.getClass() != s2.getClass()) { 2566 return false; 2567 } 2568 return s1.equals(s2); 2569 } 2570 2571 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2572 if (pi1.icon != pi2.icon) return false; 2573 if (pi1.logo != pi2.logo) return false; 2574 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2575 if (!compareStrings(pi1.name, pi2.name)) return false; 2576 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2577 // We'll take care of setting this one. 2578 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2579 // These are not currently stored in settings. 2580 //if (!compareStrings(pi1.group, pi2.group)) return false; 2581 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2582 //if (pi1.labelRes != pi2.labelRes) return false; 2583 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2584 return true; 2585 } 2586 2587 int permissionInfoFootprint(PermissionInfo info) { 2588 int size = info.name.length(); 2589 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2590 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2591 return size; 2592 } 2593 2594 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2595 int size = 0; 2596 for (BasePermission perm : mSettings.mPermissions.values()) { 2597 if (perm.uid == tree.uid) { 2598 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2599 } 2600 } 2601 return size; 2602 } 2603 2604 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2605 // We calculate the max size of permissions defined by this uid and throw 2606 // if that plus the size of 'info' would exceed our stated maximum. 2607 if (tree.uid != Process.SYSTEM_UID) { 2608 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2609 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2610 throw new SecurityException("Permission tree size cap exceeded"); 2611 } 2612 } 2613 } 2614 2615 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2616 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2617 throw new SecurityException("Label must be specified in permission"); 2618 } 2619 BasePermission tree = checkPermissionTreeLP(info.name); 2620 BasePermission bp = mSettings.mPermissions.get(info.name); 2621 boolean added = bp == null; 2622 boolean changed = true; 2623 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2624 if (added) { 2625 enforcePermissionCapLocked(info, tree); 2626 bp = new BasePermission(info.name, tree.sourcePackage, 2627 BasePermission.TYPE_DYNAMIC); 2628 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2629 throw new SecurityException( 2630 "Not allowed to modify non-dynamic permission " 2631 + info.name); 2632 } else { 2633 if (bp.protectionLevel == fixedLevel 2634 && bp.perm.owner.equals(tree.perm.owner) 2635 && bp.uid == tree.uid 2636 && comparePermissionInfos(bp.perm.info, info)) { 2637 changed = false; 2638 } 2639 } 2640 bp.protectionLevel = fixedLevel; 2641 info = new PermissionInfo(info); 2642 info.protectionLevel = fixedLevel; 2643 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2644 bp.perm.info.packageName = tree.perm.info.packageName; 2645 bp.uid = tree.uid; 2646 if (added) { 2647 mSettings.mPermissions.put(info.name, bp); 2648 } 2649 if (changed) { 2650 if (!async) { 2651 mSettings.writeLPr(); 2652 } else { 2653 scheduleWriteSettingsLocked(); 2654 } 2655 } 2656 return added; 2657 } 2658 2659 @Override 2660 public boolean addPermission(PermissionInfo info) { 2661 synchronized (mPackages) { 2662 return addPermissionLocked(info, false); 2663 } 2664 } 2665 2666 @Override 2667 public boolean addPermissionAsync(PermissionInfo info) { 2668 synchronized (mPackages) { 2669 return addPermissionLocked(info, true); 2670 } 2671 } 2672 2673 @Override 2674 public void removePermission(String name) { 2675 synchronized (mPackages) { 2676 checkPermissionTreeLP(name); 2677 BasePermission bp = mSettings.mPermissions.get(name); 2678 if (bp != null) { 2679 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2680 throw new SecurityException( 2681 "Not allowed to modify non-dynamic permission " 2682 + name); 2683 } 2684 mSettings.mPermissions.remove(name); 2685 mSettings.writeLPr(); 2686 } 2687 } 2688 } 2689 2690 private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg, 2691 BasePermission bp) { 2692 int index = pkg.requestedPermissions.indexOf(bp.name); 2693 if (index == -1) { 2694 throw new SecurityException("Package " + pkg.packageName 2695 + " has not requested permission " + bp.name); 2696 } 2697 if (!bp.isRuntime()) { 2698 throw new SecurityException("Permission " + bp.name 2699 + " is not a changeable permission type"); 2700 } 2701 } 2702 2703 @Override 2704 public boolean grantPermission(String packageName, String name, int userId) { 2705 if (!RUNTIME_PERMISSIONS_ENABLED) { 2706 return false; 2707 } 2708 2709 if (!sUserManager.exists(userId)) { 2710 return false; 2711 } 2712 2713 mContext.enforceCallingOrSelfPermission( 2714 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 2715 "grantPermission"); 2716 2717 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 2718 "grantPermission"); 2719 2720 boolean gidsChanged = false; 2721 final SettingBase sb; 2722 2723 synchronized (mPackages) { 2724 final PackageParser.Package pkg = mPackages.get(packageName); 2725 if (pkg == null) { 2726 throw new IllegalArgumentException("Unknown package: " + packageName); 2727 } 2728 2729 final BasePermission bp = mSettings.mPermissions.get(name); 2730 if (bp == null) { 2731 throw new IllegalArgumentException("Unknown permission: " + name); 2732 } 2733 2734 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 2735 2736 sb = (SettingBase) pkg.mExtras; 2737 if (sb == null) { 2738 throw new IllegalArgumentException("Unknown package: " + packageName); 2739 } 2740 2741 final PermissionsState permissionsState = sb.getPermissionsState(); 2742 2743 final int result = permissionsState.grantRuntimePermission(bp, userId); 2744 switch (result) { 2745 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 2746 return false; 2747 } 2748 2749 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 2750 gidsChanged = true; 2751 } break; 2752 } 2753 2754 // Not critical if that is lost - app has to request again. 2755 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 2756 } 2757 2758 if (gidsChanged) { 2759 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED); 2760 } 2761 2762 return true; 2763 } 2764 2765 @Override 2766 public boolean revokePermission(String packageName, String name, int userId) { 2767 if (!RUNTIME_PERMISSIONS_ENABLED) { 2768 return false; 2769 } 2770 2771 if (!sUserManager.exists(userId)) { 2772 return false; 2773 } 2774 2775 mContext.enforceCallingOrSelfPermission( 2776 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 2777 "revokePermission"); 2778 2779 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 2780 "revokePermission"); 2781 2782 final SettingBase sb; 2783 2784 synchronized (mPackages) { 2785 final PackageParser.Package pkg = mPackages.get(packageName); 2786 if (pkg == null) { 2787 throw new IllegalArgumentException("Unknown package: " + packageName); 2788 } 2789 2790 final BasePermission bp = mSettings.mPermissions.get(name); 2791 if (bp == null) { 2792 throw new IllegalArgumentException("Unknown permission: " + name); 2793 } 2794 2795 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 2796 2797 sb = (SettingBase) pkg.mExtras; 2798 if (sb == null) { 2799 throw new IllegalArgumentException("Unknown package: " + packageName); 2800 } 2801 2802 final PermissionsState permissionsState = sb.getPermissionsState(); 2803 2804 if (permissionsState.revokeRuntimePermission(bp, userId) == 2805 PermissionsState.PERMISSION_OPERATION_FAILURE) { 2806 return false; 2807 } 2808 2809 // Critical, after this call all should never have the permission. 2810 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 2811 } 2812 2813 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 2814 2815 return true; 2816 } 2817 2818 @Override 2819 public boolean isProtectedBroadcast(String actionName) { 2820 synchronized (mPackages) { 2821 return mProtectedBroadcasts.contains(actionName); 2822 } 2823 } 2824 2825 @Override 2826 public int checkSignatures(String pkg1, String pkg2) { 2827 synchronized (mPackages) { 2828 final PackageParser.Package p1 = mPackages.get(pkg1); 2829 final PackageParser.Package p2 = mPackages.get(pkg2); 2830 if (p1 == null || p1.mExtras == null 2831 || p2 == null || p2.mExtras == null) { 2832 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2833 } 2834 return compareSignatures(p1.mSignatures, p2.mSignatures); 2835 } 2836 } 2837 2838 @Override 2839 public int checkUidSignatures(int uid1, int uid2) { 2840 // Map to base uids. 2841 uid1 = UserHandle.getAppId(uid1); 2842 uid2 = UserHandle.getAppId(uid2); 2843 // reader 2844 synchronized (mPackages) { 2845 Signature[] s1; 2846 Signature[] s2; 2847 Object obj = mSettings.getUserIdLPr(uid1); 2848 if (obj != null) { 2849 if (obj instanceof SharedUserSetting) { 2850 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2851 } else if (obj instanceof PackageSetting) { 2852 s1 = ((PackageSetting)obj).signatures.mSignatures; 2853 } else { 2854 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2855 } 2856 } else { 2857 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2858 } 2859 obj = mSettings.getUserIdLPr(uid2); 2860 if (obj != null) { 2861 if (obj instanceof SharedUserSetting) { 2862 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2863 } else if (obj instanceof PackageSetting) { 2864 s2 = ((PackageSetting)obj).signatures.mSignatures; 2865 } else { 2866 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2867 } 2868 } else { 2869 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2870 } 2871 return compareSignatures(s1, s2); 2872 } 2873 } 2874 2875 private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) { 2876 final long identity = Binder.clearCallingIdentity(); 2877 try { 2878 if (sb instanceof SharedUserSetting) { 2879 SharedUserSetting sus = (SharedUserSetting) sb; 2880 final int packageCount = sus.packages.size(); 2881 for (int i = 0; i < packageCount; i++) { 2882 PackageSetting susPs = sus.packages.valueAt(i); 2883 if (userId == UserHandle.USER_ALL) { 2884 killApplication(susPs.pkg.packageName, susPs.appId, reason); 2885 } else { 2886 final int uid = UserHandle.getUid(userId, susPs.appId); 2887 killUid(uid, reason); 2888 } 2889 } 2890 } else if (sb instanceof PackageSetting) { 2891 PackageSetting ps = (PackageSetting) sb; 2892 if (userId == UserHandle.USER_ALL) { 2893 killApplication(ps.pkg.packageName, ps.appId, reason); 2894 } else { 2895 final int uid = UserHandle.getUid(userId, ps.appId); 2896 killUid(uid, reason); 2897 } 2898 } 2899 } finally { 2900 Binder.restoreCallingIdentity(identity); 2901 } 2902 } 2903 2904 private static void killUid(int uid, String reason) { 2905 IActivityManager am = ActivityManagerNative.getDefault(); 2906 if (am != null) { 2907 try { 2908 am.killUid(uid, reason); 2909 } catch (RemoteException e) { 2910 /* ignore - same process */ 2911 } 2912 } 2913 } 2914 2915 /** 2916 * Compares two sets of signatures. Returns: 2917 * <br /> 2918 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2919 * <br /> 2920 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2921 * <br /> 2922 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2923 * <br /> 2924 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2925 * <br /> 2926 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2927 */ 2928 static int compareSignatures(Signature[] s1, Signature[] s2) { 2929 if (s1 == null) { 2930 return s2 == null 2931 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2932 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2933 } 2934 2935 if (s2 == null) { 2936 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2937 } 2938 2939 if (s1.length != s2.length) { 2940 return PackageManager.SIGNATURE_NO_MATCH; 2941 } 2942 2943 // Since both signature sets are of size 1, we can compare without HashSets. 2944 if (s1.length == 1) { 2945 return s1[0].equals(s2[0]) ? 2946 PackageManager.SIGNATURE_MATCH : 2947 PackageManager.SIGNATURE_NO_MATCH; 2948 } 2949 2950 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2951 for (Signature sig : s1) { 2952 set1.add(sig); 2953 } 2954 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2955 for (Signature sig : s2) { 2956 set2.add(sig); 2957 } 2958 // Make sure s2 contains all signatures in s1. 2959 if (set1.equals(set2)) { 2960 return PackageManager.SIGNATURE_MATCH; 2961 } 2962 return PackageManager.SIGNATURE_NO_MATCH; 2963 } 2964 2965 /** 2966 * If the database version for this type of package (internal storage or 2967 * external storage) is less than the version where package signatures 2968 * were updated, return true. 2969 */ 2970 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2971 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2972 DatabaseVersion.SIGNATURE_END_ENTITY)) 2973 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2974 DatabaseVersion.SIGNATURE_END_ENTITY)); 2975 } 2976 2977 /** 2978 * Used for backward compatibility to make sure any packages with 2979 * certificate chains get upgraded to the new style. {@code existingSigs} 2980 * will be in the old format (since they were stored on disk from before the 2981 * system upgrade) and {@code scannedSigs} will be in the newer format. 2982 */ 2983 private int compareSignaturesCompat(PackageSignatures existingSigs, 2984 PackageParser.Package scannedPkg) { 2985 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2986 return PackageManager.SIGNATURE_NO_MATCH; 2987 } 2988 2989 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2990 for (Signature sig : existingSigs.mSignatures) { 2991 existingSet.add(sig); 2992 } 2993 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2994 for (Signature sig : scannedPkg.mSignatures) { 2995 try { 2996 Signature[] chainSignatures = sig.getChainSignatures(); 2997 for (Signature chainSig : chainSignatures) { 2998 scannedCompatSet.add(chainSig); 2999 } 3000 } catch (CertificateEncodingException e) { 3001 scannedCompatSet.add(sig); 3002 } 3003 } 3004 /* 3005 * Make sure the expanded scanned set contains all signatures in the 3006 * existing one. 3007 */ 3008 if (scannedCompatSet.equals(existingSet)) { 3009 // Migrate the old signatures to the new scheme. 3010 existingSigs.assignSignatures(scannedPkg.mSignatures); 3011 // The new KeySets will be re-added later in the scanning process. 3012 synchronized (mPackages) { 3013 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 3014 } 3015 return PackageManager.SIGNATURE_MATCH; 3016 } 3017 return PackageManager.SIGNATURE_NO_MATCH; 3018 } 3019 3020 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3021 if (isExternal(scannedPkg)) { 3022 return mSettings.isExternalDatabaseVersionOlderThan( 3023 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3024 } else { 3025 return mSettings.isInternalDatabaseVersionOlderThan( 3026 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3027 } 3028 } 3029 3030 private int compareSignaturesRecover(PackageSignatures existingSigs, 3031 PackageParser.Package scannedPkg) { 3032 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 3033 return PackageManager.SIGNATURE_NO_MATCH; 3034 } 3035 3036 String msg = null; 3037 try { 3038 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 3039 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 3040 + scannedPkg.packageName); 3041 return PackageManager.SIGNATURE_MATCH; 3042 } 3043 } catch (CertificateException e) { 3044 msg = e.getMessage(); 3045 } 3046 3047 logCriticalInfo(Log.INFO, 3048 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 3049 return PackageManager.SIGNATURE_NO_MATCH; 3050 } 3051 3052 @Override 3053 public String[] getPackagesForUid(int uid) { 3054 uid = UserHandle.getAppId(uid); 3055 // reader 3056 synchronized (mPackages) { 3057 Object obj = mSettings.getUserIdLPr(uid); 3058 if (obj instanceof SharedUserSetting) { 3059 final SharedUserSetting sus = (SharedUserSetting) obj; 3060 final int N = sus.packages.size(); 3061 final String[] res = new String[N]; 3062 final Iterator<PackageSetting> it = sus.packages.iterator(); 3063 int i = 0; 3064 while (it.hasNext()) { 3065 res[i++] = it.next().name; 3066 } 3067 return res; 3068 } else if (obj instanceof PackageSetting) { 3069 final PackageSetting ps = (PackageSetting) obj; 3070 return new String[] { ps.name }; 3071 } 3072 } 3073 return null; 3074 } 3075 3076 @Override 3077 public String getNameForUid(int uid) { 3078 // reader 3079 synchronized (mPackages) { 3080 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3081 if (obj instanceof SharedUserSetting) { 3082 final SharedUserSetting sus = (SharedUserSetting) obj; 3083 return sus.name + ":" + sus.userId; 3084 } else if (obj instanceof PackageSetting) { 3085 final PackageSetting ps = (PackageSetting) obj; 3086 return ps.name; 3087 } 3088 } 3089 return null; 3090 } 3091 3092 @Override 3093 public int getUidForSharedUser(String sharedUserName) { 3094 if(sharedUserName == null) { 3095 return -1; 3096 } 3097 // reader 3098 synchronized (mPackages) { 3099 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 3100 if (suid == null) { 3101 return -1; 3102 } 3103 return suid.userId; 3104 } 3105 } 3106 3107 @Override 3108 public int getFlagsForUid(int uid) { 3109 synchronized (mPackages) { 3110 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3111 if (obj instanceof SharedUserSetting) { 3112 final SharedUserSetting sus = (SharedUserSetting) obj; 3113 return sus.pkgFlags; 3114 } else if (obj instanceof PackageSetting) { 3115 final PackageSetting ps = (PackageSetting) obj; 3116 return ps.pkgFlags; 3117 } 3118 } 3119 return 0; 3120 } 3121 3122 @Override 3123 public int getPrivateFlagsForUid(int uid) { 3124 synchronized (mPackages) { 3125 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3126 if (obj instanceof SharedUserSetting) { 3127 final SharedUserSetting sus = (SharedUserSetting) obj; 3128 return sus.pkgPrivateFlags; 3129 } else if (obj instanceof PackageSetting) { 3130 final PackageSetting ps = (PackageSetting) obj; 3131 return ps.pkgPrivateFlags; 3132 } 3133 } 3134 return 0; 3135 } 3136 3137 @Override 3138 public boolean isUidPrivileged(int uid) { 3139 uid = UserHandle.getAppId(uid); 3140 // reader 3141 synchronized (mPackages) { 3142 Object obj = mSettings.getUserIdLPr(uid); 3143 if (obj instanceof SharedUserSetting) { 3144 final SharedUserSetting sus = (SharedUserSetting) obj; 3145 final Iterator<PackageSetting> it = sus.packages.iterator(); 3146 while (it.hasNext()) { 3147 if (it.next().isPrivileged()) { 3148 return true; 3149 } 3150 } 3151 } else if (obj instanceof PackageSetting) { 3152 final PackageSetting ps = (PackageSetting) obj; 3153 return ps.isPrivileged(); 3154 } 3155 } 3156 return false; 3157 } 3158 3159 @Override 3160 public String[] getAppOpPermissionPackages(String permissionName) { 3161 synchronized (mPackages) { 3162 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3163 if (pkgs == null) { 3164 return null; 3165 } 3166 return pkgs.toArray(new String[pkgs.size()]); 3167 } 3168 } 3169 3170 @Override 3171 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3172 int flags, int userId) { 3173 if (!sUserManager.exists(userId)) return null; 3174 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3175 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3176 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3177 } 3178 3179 @Override 3180 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3181 IntentFilter filter, int match, ComponentName activity) { 3182 final int userId = UserHandle.getCallingUserId(); 3183 if (DEBUG_PREFERRED) { 3184 Log.v(TAG, "setLastChosenActivity intent=" + intent 3185 + " resolvedType=" + resolvedType 3186 + " flags=" + flags 3187 + " filter=" + filter 3188 + " match=" + match 3189 + " activity=" + activity); 3190 filter.dump(new PrintStreamPrinter(System.out), " "); 3191 } 3192 intent.setComponent(null); 3193 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3194 // Find any earlier preferred or last chosen entries and nuke them 3195 findPreferredActivity(intent, resolvedType, 3196 flags, query, 0, false, true, false, userId); 3197 // Add the new activity as the last chosen for this filter 3198 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3199 "Setting last chosen"); 3200 } 3201 3202 @Override 3203 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3204 final int userId = UserHandle.getCallingUserId(); 3205 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3206 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3207 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3208 false, false, false, userId); 3209 } 3210 3211 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3212 int flags, List<ResolveInfo> query, int userId) { 3213 if (query != null) { 3214 final int N = query.size(); 3215 if (N == 1) { 3216 return query.get(0); 3217 } else if (N > 1) { 3218 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3219 // If there is more than one activity with the same priority, 3220 // then let the user decide between them. 3221 ResolveInfo r0 = query.get(0); 3222 ResolveInfo r1 = query.get(1); 3223 if (DEBUG_INTENT_MATCHING || debug) { 3224 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3225 + r1.activityInfo.name + "=" + r1.priority); 3226 } 3227 // If the first activity has a higher priority, or a different 3228 // default, then it is always desireable to pick it. 3229 if (r0.priority != r1.priority 3230 || r0.preferredOrder != r1.preferredOrder 3231 || r0.isDefault != r1.isDefault) { 3232 return query.get(0); 3233 } 3234 // If we have saved a preference for a preferred activity for 3235 // this Intent, use that. 3236 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3237 flags, query, r0.priority, true, false, debug, userId); 3238 if (ri != null) { 3239 return ri; 3240 } 3241 if (userId != 0) { 3242 ri = new ResolveInfo(mResolveInfo); 3243 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3244 ri.activityInfo.applicationInfo = new ApplicationInfo( 3245 ri.activityInfo.applicationInfo); 3246 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3247 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3248 return ri; 3249 } 3250 return mResolveInfo; 3251 } 3252 } 3253 return null; 3254 } 3255 3256 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3257 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3258 final int N = query.size(); 3259 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3260 .get(userId); 3261 // Get the list of persistent preferred activities that handle the intent 3262 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3263 List<PersistentPreferredActivity> pprefs = ppir != null 3264 ? ppir.queryIntent(intent, resolvedType, 3265 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3266 : null; 3267 if (pprefs != null && pprefs.size() > 0) { 3268 final int M = pprefs.size(); 3269 for (int i=0; i<M; i++) { 3270 final PersistentPreferredActivity ppa = pprefs.get(i); 3271 if (DEBUG_PREFERRED || debug) { 3272 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3273 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3274 + "\n component=" + ppa.mComponent); 3275 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3276 } 3277 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3278 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3279 if (DEBUG_PREFERRED || debug) { 3280 Slog.v(TAG, "Found persistent preferred activity:"); 3281 if (ai != null) { 3282 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3283 } else { 3284 Slog.v(TAG, " null"); 3285 } 3286 } 3287 if (ai == null) { 3288 // This previously registered persistent preferred activity 3289 // component is no longer known. Ignore it and do NOT remove it. 3290 continue; 3291 } 3292 for (int j=0; j<N; j++) { 3293 final ResolveInfo ri = query.get(j); 3294 if (!ri.activityInfo.applicationInfo.packageName 3295 .equals(ai.applicationInfo.packageName)) { 3296 continue; 3297 } 3298 if (!ri.activityInfo.name.equals(ai.name)) { 3299 continue; 3300 } 3301 // Found a persistent preference that can handle the intent. 3302 if (DEBUG_PREFERRED || debug) { 3303 Slog.v(TAG, "Returning persistent preferred activity: " + 3304 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3305 } 3306 return ri; 3307 } 3308 } 3309 } 3310 return null; 3311 } 3312 3313 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3314 List<ResolveInfo> query, int priority, boolean always, 3315 boolean removeMatches, boolean debug, int userId) { 3316 if (!sUserManager.exists(userId)) return null; 3317 // writer 3318 synchronized (mPackages) { 3319 if (intent.getSelector() != null) { 3320 intent = intent.getSelector(); 3321 } 3322 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3323 3324 // Try to find a matching persistent preferred activity. 3325 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3326 debug, userId); 3327 3328 // If a persistent preferred activity matched, use it. 3329 if (pri != null) { 3330 return pri; 3331 } 3332 3333 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3334 // Get the list of preferred activities that handle the intent 3335 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3336 List<PreferredActivity> prefs = pir != null 3337 ? pir.queryIntent(intent, resolvedType, 3338 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3339 : null; 3340 if (prefs != null && prefs.size() > 0) { 3341 boolean changed = false; 3342 try { 3343 // First figure out how good the original match set is. 3344 // We will only allow preferred activities that came 3345 // from the same match quality. 3346 int match = 0; 3347 3348 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3349 3350 final int N = query.size(); 3351 for (int j=0; j<N; j++) { 3352 final ResolveInfo ri = query.get(j); 3353 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3354 + ": 0x" + Integer.toHexString(match)); 3355 if (ri.match > match) { 3356 match = ri.match; 3357 } 3358 } 3359 3360 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3361 + Integer.toHexString(match)); 3362 3363 match &= IntentFilter.MATCH_CATEGORY_MASK; 3364 final int M = prefs.size(); 3365 for (int i=0; i<M; i++) { 3366 final PreferredActivity pa = prefs.get(i); 3367 if (DEBUG_PREFERRED || debug) { 3368 Slog.v(TAG, "Checking PreferredActivity ds=" 3369 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3370 + "\n component=" + pa.mPref.mComponent); 3371 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3372 } 3373 if (pa.mPref.mMatch != match) { 3374 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3375 + Integer.toHexString(pa.mPref.mMatch)); 3376 continue; 3377 } 3378 // If it's not an "always" type preferred activity and that's what we're 3379 // looking for, skip it. 3380 if (always && !pa.mPref.mAlways) { 3381 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3382 continue; 3383 } 3384 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3385 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3386 if (DEBUG_PREFERRED || debug) { 3387 Slog.v(TAG, "Found preferred activity:"); 3388 if (ai != null) { 3389 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3390 } else { 3391 Slog.v(TAG, " null"); 3392 } 3393 } 3394 if (ai == null) { 3395 // This previously registered preferred activity 3396 // component is no longer known. Most likely an update 3397 // to the app was installed and in the new version this 3398 // component no longer exists. Clean it up by removing 3399 // it from the preferred activities list, and skip it. 3400 Slog.w(TAG, "Removing dangling preferred activity: " 3401 + pa.mPref.mComponent); 3402 pir.removeFilter(pa); 3403 changed = true; 3404 continue; 3405 } 3406 for (int j=0; j<N; j++) { 3407 final ResolveInfo ri = query.get(j); 3408 if (!ri.activityInfo.applicationInfo.packageName 3409 .equals(ai.applicationInfo.packageName)) { 3410 continue; 3411 } 3412 if (!ri.activityInfo.name.equals(ai.name)) { 3413 continue; 3414 } 3415 3416 if (removeMatches) { 3417 pir.removeFilter(pa); 3418 changed = true; 3419 if (DEBUG_PREFERRED) { 3420 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3421 } 3422 break; 3423 } 3424 3425 // Okay we found a previously set preferred or last chosen app. 3426 // If the result set is different from when this 3427 // was created, we need to clear it and re-ask the 3428 // user their preference, if we're looking for an "always" type entry. 3429 if (always && !pa.mPref.sameSet(query)) { 3430 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3431 + intent + " type " + resolvedType); 3432 if (DEBUG_PREFERRED) { 3433 Slog.v(TAG, "Removing preferred activity since set changed " 3434 + pa.mPref.mComponent); 3435 } 3436 pir.removeFilter(pa); 3437 // Re-add the filter as a "last chosen" entry (!always) 3438 PreferredActivity lastChosen = new PreferredActivity( 3439 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3440 pir.addFilter(lastChosen); 3441 changed = true; 3442 return null; 3443 } 3444 3445 // Yay! Either the set matched or we're looking for the last chosen 3446 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3447 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3448 return ri; 3449 } 3450 } 3451 } finally { 3452 if (changed) { 3453 if (DEBUG_PREFERRED) { 3454 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3455 } 3456 scheduleWritePackageRestrictionsLocked(userId); 3457 } 3458 } 3459 } 3460 } 3461 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3462 return null; 3463 } 3464 3465 /* 3466 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3467 */ 3468 @Override 3469 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3470 int targetUserId) { 3471 mContext.enforceCallingOrSelfPermission( 3472 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3473 List<CrossProfileIntentFilter> matches = 3474 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3475 if (matches != null) { 3476 int size = matches.size(); 3477 for (int i = 0; i < size; i++) { 3478 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3479 } 3480 } 3481 return false; 3482 } 3483 3484 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3485 String resolvedType, int userId) { 3486 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3487 if (resolver != null) { 3488 return resolver.queryIntent(intent, resolvedType, false, userId); 3489 } 3490 return null; 3491 } 3492 3493 @Override 3494 public List<ResolveInfo> queryIntentActivities(Intent intent, 3495 String resolvedType, int flags, int userId) { 3496 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3497 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3498 ComponentName comp = intent.getComponent(); 3499 if (comp == null) { 3500 if (intent.getSelector() != null) { 3501 intent = intent.getSelector(); 3502 comp = intent.getComponent(); 3503 } 3504 } 3505 3506 if (comp != null) { 3507 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3508 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3509 if (ai != null) { 3510 final ResolveInfo ri = new ResolveInfo(); 3511 ri.activityInfo = ai; 3512 list.add(ri); 3513 } 3514 return list; 3515 } 3516 3517 // reader 3518 synchronized (mPackages) { 3519 final String pkgName = intent.getPackage(); 3520 if (pkgName == null) { 3521 List<CrossProfileIntentFilter> matchingFilters = 3522 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3523 // Check for results that need to skip the current profile. 3524 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3525 resolvedType, flags, userId); 3526 if (resolveInfo != null) { 3527 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3528 result.add(resolveInfo); 3529 return filterIfNotPrimaryUser(result, userId); 3530 } 3531 // Check for cross profile results. 3532 resolveInfo = queryCrossProfileIntents( 3533 matchingFilters, intent, resolvedType, flags, userId); 3534 3535 // Check for results in the current profile. 3536 List<ResolveInfo> result = mActivities.queryIntent( 3537 intent, resolvedType, flags, userId); 3538 if (resolveInfo != null) { 3539 result.add(resolveInfo); 3540 Collections.sort(result, mResolvePrioritySorter); 3541 } 3542 return filterIfNotPrimaryUser(result, userId); 3543 } 3544 final PackageParser.Package pkg = mPackages.get(pkgName); 3545 if (pkg != null) { 3546 return filterIfNotPrimaryUser( 3547 mActivities.queryIntentForPackage( 3548 intent, resolvedType, flags, pkg.activities, userId), 3549 userId); 3550 } 3551 return new ArrayList<ResolveInfo>(); 3552 } 3553 } 3554 3555 /** 3556 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 3557 * 3558 * @return filtered list 3559 */ 3560 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 3561 if (userId == UserHandle.USER_OWNER) { 3562 return resolveInfos; 3563 } 3564 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 3565 ResolveInfo info = resolveInfos.get(i); 3566 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 3567 resolveInfos.remove(i); 3568 } 3569 } 3570 return resolveInfos; 3571 } 3572 3573 3574 private ResolveInfo querySkipCurrentProfileIntents( 3575 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3576 int flags, int sourceUserId) { 3577 if (matchingFilters != null) { 3578 int size = matchingFilters.size(); 3579 for (int i = 0; i < size; i ++) { 3580 CrossProfileIntentFilter filter = matchingFilters.get(i); 3581 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3582 // Checking if there are activities in the target user that can handle the 3583 // intent. 3584 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3585 flags, sourceUserId); 3586 if (resolveInfo != null) { 3587 return resolveInfo; 3588 } 3589 } 3590 } 3591 } 3592 return null; 3593 } 3594 3595 // Return matching ResolveInfo if any for skip current profile intent filters. 3596 private ResolveInfo queryCrossProfileIntents( 3597 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3598 int flags, int sourceUserId) { 3599 if (matchingFilters != null) { 3600 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3601 // match the same intent. For performance reasons, it is better not to 3602 // run queryIntent twice for the same userId 3603 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3604 int size = matchingFilters.size(); 3605 for (int i = 0; i < size; i++) { 3606 CrossProfileIntentFilter filter = matchingFilters.get(i); 3607 int targetUserId = filter.getTargetUserId(); 3608 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3609 && !alreadyTriedUserIds.get(targetUserId)) { 3610 // Checking if there are activities in the target user that can handle the 3611 // intent. 3612 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3613 flags, sourceUserId); 3614 if (resolveInfo != null) return resolveInfo; 3615 alreadyTriedUserIds.put(targetUserId, true); 3616 } 3617 } 3618 } 3619 return null; 3620 } 3621 3622 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3623 String resolvedType, int flags, int sourceUserId) { 3624 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3625 resolvedType, flags, filter.getTargetUserId()); 3626 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3627 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3628 } 3629 return null; 3630 } 3631 3632 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3633 int sourceUserId, int targetUserId) { 3634 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3635 String className; 3636 if (targetUserId == UserHandle.USER_OWNER) { 3637 className = FORWARD_INTENT_TO_USER_OWNER; 3638 } else { 3639 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3640 } 3641 ComponentName forwardingActivityComponentName = new ComponentName( 3642 mAndroidApplication.packageName, className); 3643 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3644 sourceUserId); 3645 if (targetUserId == UserHandle.USER_OWNER) { 3646 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3647 forwardingResolveInfo.noResourceId = true; 3648 } 3649 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3650 forwardingResolveInfo.priority = 0; 3651 forwardingResolveInfo.preferredOrder = 0; 3652 forwardingResolveInfo.match = 0; 3653 forwardingResolveInfo.isDefault = true; 3654 forwardingResolveInfo.filter = filter; 3655 forwardingResolveInfo.targetUserId = targetUserId; 3656 return forwardingResolveInfo; 3657 } 3658 3659 @Override 3660 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3661 Intent[] specifics, String[] specificTypes, Intent intent, 3662 String resolvedType, int flags, int userId) { 3663 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3664 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3665 false, "query intent activity options"); 3666 final String resultsAction = intent.getAction(); 3667 3668 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3669 | PackageManager.GET_RESOLVED_FILTER, userId); 3670 3671 if (DEBUG_INTENT_MATCHING) { 3672 Log.v(TAG, "Query " + intent + ": " + results); 3673 } 3674 3675 int specificsPos = 0; 3676 int N; 3677 3678 // todo: note that the algorithm used here is O(N^2). This 3679 // isn't a problem in our current environment, but if we start running 3680 // into situations where we have more than 5 or 10 matches then this 3681 // should probably be changed to something smarter... 3682 3683 // First we go through and resolve each of the specific items 3684 // that were supplied, taking care of removing any corresponding 3685 // duplicate items in the generic resolve list. 3686 if (specifics != null) { 3687 for (int i=0; i<specifics.length; i++) { 3688 final Intent sintent = specifics[i]; 3689 if (sintent == null) { 3690 continue; 3691 } 3692 3693 if (DEBUG_INTENT_MATCHING) { 3694 Log.v(TAG, "Specific #" + i + ": " + sintent); 3695 } 3696 3697 String action = sintent.getAction(); 3698 if (resultsAction != null && resultsAction.equals(action)) { 3699 // If this action was explicitly requested, then don't 3700 // remove things that have it. 3701 action = null; 3702 } 3703 3704 ResolveInfo ri = null; 3705 ActivityInfo ai = null; 3706 3707 ComponentName comp = sintent.getComponent(); 3708 if (comp == null) { 3709 ri = resolveIntent( 3710 sintent, 3711 specificTypes != null ? specificTypes[i] : null, 3712 flags, userId); 3713 if (ri == null) { 3714 continue; 3715 } 3716 if (ri == mResolveInfo) { 3717 // ACK! Must do something better with this. 3718 } 3719 ai = ri.activityInfo; 3720 comp = new ComponentName(ai.applicationInfo.packageName, 3721 ai.name); 3722 } else { 3723 ai = getActivityInfo(comp, flags, userId); 3724 if (ai == null) { 3725 continue; 3726 } 3727 } 3728 3729 // Look for any generic query activities that are duplicates 3730 // of this specific one, and remove them from the results. 3731 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3732 N = results.size(); 3733 int j; 3734 for (j=specificsPos; j<N; j++) { 3735 ResolveInfo sri = results.get(j); 3736 if ((sri.activityInfo.name.equals(comp.getClassName()) 3737 && sri.activityInfo.applicationInfo.packageName.equals( 3738 comp.getPackageName())) 3739 || (action != null && sri.filter.matchAction(action))) { 3740 results.remove(j); 3741 if (DEBUG_INTENT_MATCHING) Log.v( 3742 TAG, "Removing duplicate item from " + j 3743 + " due to specific " + specificsPos); 3744 if (ri == null) { 3745 ri = sri; 3746 } 3747 j--; 3748 N--; 3749 } 3750 } 3751 3752 // Add this specific item to its proper place. 3753 if (ri == null) { 3754 ri = new ResolveInfo(); 3755 ri.activityInfo = ai; 3756 } 3757 results.add(specificsPos, ri); 3758 ri.specificIndex = i; 3759 specificsPos++; 3760 } 3761 } 3762 3763 // Now we go through the remaining generic results and remove any 3764 // duplicate actions that are found here. 3765 N = results.size(); 3766 for (int i=specificsPos; i<N-1; i++) { 3767 final ResolveInfo rii = results.get(i); 3768 if (rii.filter == null) { 3769 continue; 3770 } 3771 3772 // Iterate over all of the actions of this result's intent 3773 // filter... typically this should be just one. 3774 final Iterator<String> it = rii.filter.actionsIterator(); 3775 if (it == null) { 3776 continue; 3777 } 3778 while (it.hasNext()) { 3779 final String action = it.next(); 3780 if (resultsAction != null && resultsAction.equals(action)) { 3781 // If this action was explicitly requested, then don't 3782 // remove things that have it. 3783 continue; 3784 } 3785 for (int j=i+1; j<N; j++) { 3786 final ResolveInfo rij = results.get(j); 3787 if (rij.filter != null && rij.filter.hasAction(action)) { 3788 results.remove(j); 3789 if (DEBUG_INTENT_MATCHING) Log.v( 3790 TAG, "Removing duplicate item from " + j 3791 + " due to action " + action + " at " + i); 3792 j--; 3793 N--; 3794 } 3795 } 3796 } 3797 3798 // If the caller didn't request filter information, drop it now 3799 // so we don't have to marshall/unmarshall it. 3800 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3801 rii.filter = null; 3802 } 3803 } 3804 3805 // Filter out the caller activity if so requested. 3806 if (caller != null) { 3807 N = results.size(); 3808 for (int i=0; i<N; i++) { 3809 ActivityInfo ainfo = results.get(i).activityInfo; 3810 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3811 && caller.getClassName().equals(ainfo.name)) { 3812 results.remove(i); 3813 break; 3814 } 3815 } 3816 } 3817 3818 // If the caller didn't request filter information, 3819 // drop them now so we don't have to 3820 // marshall/unmarshall it. 3821 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3822 N = results.size(); 3823 for (int i=0; i<N; i++) { 3824 results.get(i).filter = null; 3825 } 3826 } 3827 3828 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3829 return results; 3830 } 3831 3832 @Override 3833 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3834 int userId) { 3835 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3836 ComponentName comp = intent.getComponent(); 3837 if (comp == null) { 3838 if (intent.getSelector() != null) { 3839 intent = intent.getSelector(); 3840 comp = intent.getComponent(); 3841 } 3842 } 3843 if (comp != null) { 3844 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3845 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3846 if (ai != null) { 3847 ResolveInfo ri = new ResolveInfo(); 3848 ri.activityInfo = ai; 3849 list.add(ri); 3850 } 3851 return list; 3852 } 3853 3854 // reader 3855 synchronized (mPackages) { 3856 String pkgName = intent.getPackage(); 3857 if (pkgName == null) { 3858 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3859 } 3860 final PackageParser.Package pkg = mPackages.get(pkgName); 3861 if (pkg != null) { 3862 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3863 userId); 3864 } 3865 return null; 3866 } 3867 } 3868 3869 @Override 3870 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3871 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3872 if (!sUserManager.exists(userId)) return null; 3873 if (query != null) { 3874 if (query.size() >= 1) { 3875 // If there is more than one service with the same priority, 3876 // just arbitrarily pick the first one. 3877 return query.get(0); 3878 } 3879 } 3880 return null; 3881 } 3882 3883 @Override 3884 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3885 int userId) { 3886 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3887 ComponentName comp = intent.getComponent(); 3888 if (comp == null) { 3889 if (intent.getSelector() != null) { 3890 intent = intent.getSelector(); 3891 comp = intent.getComponent(); 3892 } 3893 } 3894 if (comp != null) { 3895 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3896 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3897 if (si != null) { 3898 final ResolveInfo ri = new ResolveInfo(); 3899 ri.serviceInfo = si; 3900 list.add(ri); 3901 } 3902 return list; 3903 } 3904 3905 // reader 3906 synchronized (mPackages) { 3907 String pkgName = intent.getPackage(); 3908 if (pkgName == null) { 3909 return mServices.queryIntent(intent, resolvedType, flags, userId); 3910 } 3911 final PackageParser.Package pkg = mPackages.get(pkgName); 3912 if (pkg != null) { 3913 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3914 userId); 3915 } 3916 return null; 3917 } 3918 } 3919 3920 @Override 3921 public List<ResolveInfo> queryIntentContentProviders( 3922 Intent intent, String resolvedType, int flags, int userId) { 3923 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3924 ComponentName comp = intent.getComponent(); 3925 if (comp == null) { 3926 if (intent.getSelector() != null) { 3927 intent = intent.getSelector(); 3928 comp = intent.getComponent(); 3929 } 3930 } 3931 if (comp != null) { 3932 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3933 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3934 if (pi != null) { 3935 final ResolveInfo ri = new ResolveInfo(); 3936 ri.providerInfo = pi; 3937 list.add(ri); 3938 } 3939 return list; 3940 } 3941 3942 // reader 3943 synchronized (mPackages) { 3944 String pkgName = intent.getPackage(); 3945 if (pkgName == null) { 3946 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3947 } 3948 final PackageParser.Package pkg = mPackages.get(pkgName); 3949 if (pkg != null) { 3950 return mProviders.queryIntentForPackage( 3951 intent, resolvedType, flags, pkg.providers, userId); 3952 } 3953 return null; 3954 } 3955 } 3956 3957 @Override 3958 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3959 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3960 3961 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3962 3963 // writer 3964 synchronized (mPackages) { 3965 ArrayList<PackageInfo> list; 3966 if (listUninstalled) { 3967 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3968 for (PackageSetting ps : mSettings.mPackages.values()) { 3969 PackageInfo pi; 3970 if (ps.pkg != null) { 3971 pi = generatePackageInfo(ps.pkg, flags, userId); 3972 } else { 3973 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3974 } 3975 if (pi != null) { 3976 list.add(pi); 3977 } 3978 } 3979 } else { 3980 list = new ArrayList<PackageInfo>(mPackages.size()); 3981 for (PackageParser.Package p : mPackages.values()) { 3982 PackageInfo pi = generatePackageInfo(p, flags, userId); 3983 if (pi != null) { 3984 list.add(pi); 3985 } 3986 } 3987 } 3988 3989 return new ParceledListSlice<PackageInfo>(list); 3990 } 3991 } 3992 3993 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3994 String[] permissions, boolean[] tmp, int flags, int userId) { 3995 int numMatch = 0; 3996 final PermissionsState permissionsState = ps.getPermissionsState(); 3997 for (int i=0; i<permissions.length; i++) { 3998 final String permission = permissions[i]; 3999 if (permissionsState.hasPermission(permission, userId)) { 4000 tmp[i] = true; 4001 numMatch++; 4002 } else { 4003 tmp[i] = false; 4004 } 4005 } 4006 if (numMatch == 0) { 4007 return; 4008 } 4009 PackageInfo pi; 4010 if (ps.pkg != null) { 4011 pi = generatePackageInfo(ps.pkg, flags, userId); 4012 } else { 4013 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 4014 } 4015 // The above might return null in cases of uninstalled apps or install-state 4016 // skew across users/profiles. 4017 if (pi != null) { 4018 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 4019 if (numMatch == permissions.length) { 4020 pi.requestedPermissions = permissions; 4021 } else { 4022 pi.requestedPermissions = new String[numMatch]; 4023 numMatch = 0; 4024 for (int i=0; i<permissions.length; i++) { 4025 if (tmp[i]) { 4026 pi.requestedPermissions[numMatch] = permissions[i]; 4027 numMatch++; 4028 } 4029 } 4030 } 4031 } 4032 list.add(pi); 4033 } 4034 } 4035 4036 @Override 4037 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 4038 String[] permissions, int flags, int userId) { 4039 if (!sUserManager.exists(userId)) return null; 4040 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4041 4042 // writer 4043 synchronized (mPackages) { 4044 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 4045 boolean[] tmpBools = new boolean[permissions.length]; 4046 if (listUninstalled) { 4047 for (PackageSetting ps : mSettings.mPackages.values()) { 4048 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 4049 } 4050 } else { 4051 for (PackageParser.Package pkg : mPackages.values()) { 4052 PackageSetting ps = (PackageSetting)pkg.mExtras; 4053 if (ps != null) { 4054 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 4055 userId); 4056 } 4057 } 4058 } 4059 4060 return new ParceledListSlice<PackageInfo>(list); 4061 } 4062 } 4063 4064 @Override 4065 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 4066 if (!sUserManager.exists(userId)) return null; 4067 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 4068 4069 // writer 4070 synchronized (mPackages) { 4071 ArrayList<ApplicationInfo> list; 4072 if (listUninstalled) { 4073 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 4074 for (PackageSetting ps : mSettings.mPackages.values()) { 4075 ApplicationInfo ai; 4076 if (ps.pkg != null) { 4077 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4078 ps.readUserState(userId), userId); 4079 } else { 4080 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 4081 } 4082 if (ai != null) { 4083 list.add(ai); 4084 } 4085 } 4086 } else { 4087 list = new ArrayList<ApplicationInfo>(mPackages.size()); 4088 for (PackageParser.Package p : mPackages.values()) { 4089 if (p.mExtras != null) { 4090 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4091 ((PackageSetting)p.mExtras).readUserState(userId), userId); 4092 if (ai != null) { 4093 list.add(ai); 4094 } 4095 } 4096 } 4097 } 4098 4099 return new ParceledListSlice<ApplicationInfo>(list); 4100 } 4101 } 4102 4103 public List<ApplicationInfo> getPersistentApplications(int flags) { 4104 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 4105 4106 // reader 4107 synchronized (mPackages) { 4108 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 4109 final int userId = UserHandle.getCallingUserId(); 4110 while (i.hasNext()) { 4111 final PackageParser.Package p = i.next(); 4112 if (p.applicationInfo != null 4113 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 4114 && (!mSafeMode || isSystemApp(p))) { 4115 PackageSetting ps = mSettings.mPackages.get(p.packageName); 4116 if (ps != null) { 4117 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 4118 ps.readUserState(userId), userId); 4119 if (ai != null) { 4120 finalList.add(ai); 4121 } 4122 } 4123 } 4124 } 4125 } 4126 4127 return finalList; 4128 } 4129 4130 @Override 4131 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 4132 if (!sUserManager.exists(userId)) return null; 4133 // reader 4134 synchronized (mPackages) { 4135 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 4136 PackageSetting ps = provider != null 4137 ? mSettings.mPackages.get(provider.owner.packageName) 4138 : null; 4139 return ps != null 4140 && mSettings.isEnabledLPr(provider.info, flags, userId) 4141 && (!mSafeMode || (provider.info.applicationInfo.flags 4142 &ApplicationInfo.FLAG_SYSTEM) != 0) 4143 ? PackageParser.generateProviderInfo(provider, flags, 4144 ps.readUserState(userId), userId) 4145 : null; 4146 } 4147 } 4148 4149 /** 4150 * @deprecated 4151 */ 4152 @Deprecated 4153 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 4154 // reader 4155 synchronized (mPackages) { 4156 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 4157 .entrySet().iterator(); 4158 final int userId = UserHandle.getCallingUserId(); 4159 while (i.hasNext()) { 4160 Map.Entry<String, PackageParser.Provider> entry = i.next(); 4161 PackageParser.Provider p = entry.getValue(); 4162 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4163 4164 if (ps != null && p.syncable 4165 && (!mSafeMode || (p.info.applicationInfo.flags 4166 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4167 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4168 ps.readUserState(userId), userId); 4169 if (info != null) { 4170 outNames.add(entry.getKey()); 4171 outInfo.add(info); 4172 } 4173 } 4174 } 4175 } 4176 } 4177 4178 @Override 4179 public List<ProviderInfo> queryContentProviders(String processName, 4180 int uid, int flags) { 4181 ArrayList<ProviderInfo> finalList = null; 4182 // reader 4183 synchronized (mPackages) { 4184 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4185 final int userId = processName != null ? 4186 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4187 while (i.hasNext()) { 4188 final PackageParser.Provider p = i.next(); 4189 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4190 if (ps != null && p.info.authority != null 4191 && (processName == null 4192 || (p.info.processName.equals(processName) 4193 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4194 && mSettings.isEnabledLPr(p.info, flags, userId) 4195 && (!mSafeMode 4196 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4197 if (finalList == null) { 4198 finalList = new ArrayList<ProviderInfo>(3); 4199 } 4200 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4201 ps.readUserState(userId), userId); 4202 if (info != null) { 4203 finalList.add(info); 4204 } 4205 } 4206 } 4207 } 4208 4209 if (finalList != null) { 4210 Collections.sort(finalList, mProviderInitOrderSorter); 4211 } 4212 4213 return finalList; 4214 } 4215 4216 @Override 4217 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4218 int flags) { 4219 // reader 4220 synchronized (mPackages) { 4221 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4222 return PackageParser.generateInstrumentationInfo(i, flags); 4223 } 4224 } 4225 4226 @Override 4227 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4228 int flags) { 4229 ArrayList<InstrumentationInfo> finalList = 4230 new ArrayList<InstrumentationInfo>(); 4231 4232 // reader 4233 synchronized (mPackages) { 4234 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4235 while (i.hasNext()) { 4236 final PackageParser.Instrumentation p = i.next(); 4237 if (targetPackage == null 4238 || targetPackage.equals(p.info.targetPackage)) { 4239 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4240 flags); 4241 if (ii != null) { 4242 finalList.add(ii); 4243 } 4244 } 4245 } 4246 } 4247 4248 return finalList; 4249 } 4250 4251 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4252 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4253 if (overlays == null) { 4254 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4255 return; 4256 } 4257 for (PackageParser.Package opkg : overlays.values()) { 4258 // Not much to do if idmap fails: we already logged the error 4259 // and we certainly don't want to abort installation of pkg simply 4260 // because an overlay didn't fit properly. For these reasons, 4261 // ignore the return value of createIdmapForPackagePairLI. 4262 createIdmapForPackagePairLI(pkg, opkg); 4263 } 4264 } 4265 4266 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4267 PackageParser.Package opkg) { 4268 if (!opkg.mTrustedOverlay) { 4269 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4270 opkg.baseCodePath + ": overlay not trusted"); 4271 return false; 4272 } 4273 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4274 if (overlaySet == null) { 4275 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4276 opkg.baseCodePath + " but target package has no known overlays"); 4277 return false; 4278 } 4279 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4280 // TODO: generate idmap for split APKs 4281 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4282 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4283 + opkg.baseCodePath); 4284 return false; 4285 } 4286 PackageParser.Package[] overlayArray = 4287 overlaySet.values().toArray(new PackageParser.Package[0]); 4288 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4289 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4290 return p1.mOverlayPriority - p2.mOverlayPriority; 4291 } 4292 }; 4293 Arrays.sort(overlayArray, cmp); 4294 4295 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4296 int i = 0; 4297 for (PackageParser.Package p : overlayArray) { 4298 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4299 } 4300 return true; 4301 } 4302 4303 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4304 final File[] files = dir.listFiles(); 4305 if (ArrayUtils.isEmpty(files)) { 4306 Log.d(TAG, "No files in app dir " + dir); 4307 return; 4308 } 4309 4310 if (DEBUG_PACKAGE_SCANNING) { 4311 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4312 + " flags=0x" + Integer.toHexString(parseFlags)); 4313 } 4314 4315 for (File file : files) { 4316 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4317 && !PackageInstallerService.isStageName(file.getName()); 4318 if (!isPackage) { 4319 // Ignore entries which are not packages 4320 continue; 4321 } 4322 try { 4323 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4324 scanFlags, currentTime, null); 4325 } catch (PackageManagerException e) { 4326 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4327 4328 // Delete invalid userdata apps 4329 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4330 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4331 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4332 if (file.isDirectory()) { 4333 FileUtils.deleteContents(file); 4334 } 4335 file.delete(); 4336 } 4337 } 4338 } 4339 } 4340 4341 private static File getSettingsProblemFile() { 4342 File dataDir = Environment.getDataDirectory(); 4343 File systemDir = new File(dataDir, "system"); 4344 File fname = new File(systemDir, "uiderrors.txt"); 4345 return fname; 4346 } 4347 4348 static void reportSettingsProblem(int priority, String msg) { 4349 logCriticalInfo(priority, msg); 4350 } 4351 4352 static void logCriticalInfo(int priority, String msg) { 4353 Slog.println(priority, TAG, msg); 4354 EventLogTags.writePmCriticalInfo(msg); 4355 try { 4356 File fname = getSettingsProblemFile(); 4357 FileOutputStream out = new FileOutputStream(fname, true); 4358 PrintWriter pw = new FastPrintWriter(out); 4359 SimpleDateFormat formatter = new SimpleDateFormat(); 4360 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4361 pw.println(dateString + ": " + msg); 4362 pw.close(); 4363 FileUtils.setPermissions( 4364 fname.toString(), 4365 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4366 -1, -1); 4367 } catch (java.io.IOException e) { 4368 } 4369 } 4370 4371 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4372 PackageParser.Package pkg, File srcFile, int parseFlags) 4373 throws PackageManagerException { 4374 if (ps != null 4375 && ps.codePath.equals(srcFile) 4376 && ps.timeStamp == srcFile.lastModified() 4377 && !isCompatSignatureUpdateNeeded(pkg) 4378 && !isRecoverSignatureUpdateNeeded(pkg)) { 4379 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4380 if (ps.signatures.mSignatures != null 4381 && ps.signatures.mSignatures.length != 0 4382 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4383 // Optimization: reuse the existing cached certificates 4384 // if the package appears to be unchanged. 4385 pkg.mSignatures = ps.signatures.mSignatures; 4386 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4387 synchronized (mPackages) { 4388 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4389 } 4390 return; 4391 } 4392 4393 Slog.w(TAG, "PackageSetting for " + ps.name 4394 + " is missing signatures. Collecting certs again to recover them."); 4395 } else { 4396 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4397 } 4398 4399 try { 4400 pp.collectCertificates(pkg, parseFlags); 4401 pp.collectManifestDigest(pkg); 4402 } catch (PackageParserException e) { 4403 throw PackageManagerException.from(e); 4404 } 4405 } 4406 4407 /* 4408 * Scan a package and return the newly parsed package. 4409 * Returns null in case of errors and the error code is stored in mLastScanError 4410 */ 4411 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4412 long currentTime, UserHandle user) throws PackageManagerException { 4413 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4414 parseFlags |= mDefParseFlags; 4415 PackageParser pp = new PackageParser(); 4416 pp.setSeparateProcesses(mSeparateProcesses); 4417 pp.setOnlyCoreApps(mOnlyCore); 4418 pp.setDisplayMetrics(mMetrics); 4419 4420 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4421 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4422 } 4423 4424 final PackageParser.Package pkg; 4425 try { 4426 pkg = pp.parsePackage(scanFile, parseFlags); 4427 } catch (PackageParserException e) { 4428 throw PackageManagerException.from(e); 4429 } 4430 4431 PackageSetting ps = null; 4432 PackageSetting updatedPkg; 4433 // reader 4434 synchronized (mPackages) { 4435 // Look to see if we already know about this package. 4436 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4437 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4438 // This package has been renamed to its original name. Let's 4439 // use that. 4440 ps = mSettings.peekPackageLPr(oldName); 4441 } 4442 // If there was no original package, see one for the real package name. 4443 if (ps == null) { 4444 ps = mSettings.peekPackageLPr(pkg.packageName); 4445 } 4446 // Check to see if this package could be hiding/updating a system 4447 // package. Must look for it either under the original or real 4448 // package name depending on our state. 4449 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4450 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4451 } 4452 boolean updatedPkgBetter = false; 4453 // First check if this is a system package that may involve an update 4454 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4455 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4456 // it needs to drop FLAG_PRIVILEGED. 4457 if (locationIsPrivileged(scanFile)) { 4458 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4459 } else { 4460 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 4461 } 4462 4463 if (ps != null && !ps.codePath.equals(scanFile)) { 4464 // The path has changed from what was last scanned... check the 4465 // version of the new path against what we have stored to determine 4466 // what to do. 4467 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4468 if (pkg.mVersionCode <= ps.versionCode) { 4469 // The system package has been updated and the code path does not match 4470 // Ignore entry. Skip it. 4471 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4472 + " ignored: updated version " + ps.versionCode 4473 + " better than this " + pkg.mVersionCode); 4474 if (!updatedPkg.codePath.equals(scanFile)) { 4475 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4476 + ps.name + " changing from " + updatedPkg.codePathString 4477 + " to " + scanFile); 4478 updatedPkg.codePath = scanFile; 4479 updatedPkg.codePathString = scanFile.toString(); 4480 updatedPkg.resourcePath = scanFile; 4481 updatedPkg.resourcePathString = scanFile.toString(); 4482 } 4483 updatedPkg.pkg = pkg; 4484 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4485 } else { 4486 // The current app on the system partition is better than 4487 // what we have updated to on the data partition; switch 4488 // back to the system partition version. 4489 // At this point, its safely assumed that package installation for 4490 // apps in system partition will go through. If not there won't be a working 4491 // version of the app 4492 // writer 4493 synchronized (mPackages) { 4494 // Just remove the loaded entries from package lists. 4495 mPackages.remove(ps.name); 4496 } 4497 4498 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4499 + " reverting from " + ps.codePathString 4500 + ": new version " + pkg.mVersionCode 4501 + " better than installed " + ps.versionCode); 4502 4503 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4504 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4505 getAppDexInstructionSets(ps)); 4506 synchronized (mInstallLock) { 4507 args.cleanUpResourcesLI(); 4508 } 4509 synchronized (mPackages) { 4510 mSettings.enableSystemPackageLPw(ps.name); 4511 } 4512 updatedPkgBetter = true; 4513 } 4514 } 4515 } 4516 4517 if (updatedPkg != null) { 4518 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4519 // initially 4520 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4521 4522 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4523 // flag set initially 4524 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 4525 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4526 } 4527 } 4528 4529 // Verify certificates against what was last scanned 4530 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4531 4532 /* 4533 * A new system app appeared, but we already had a non-system one of the 4534 * same name installed earlier. 4535 */ 4536 boolean shouldHideSystemApp = false; 4537 if (updatedPkg == null && ps != null 4538 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4539 /* 4540 * Check to make sure the signatures match first. If they don't, 4541 * wipe the installed application and its data. 4542 */ 4543 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4544 != PackageManager.SIGNATURE_MATCH) { 4545 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4546 + " signatures don't match existing userdata copy; removing"); 4547 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4548 ps = null; 4549 } else { 4550 /* 4551 * If the newly-added system app is an older version than the 4552 * already installed version, hide it. It will be scanned later 4553 * and re-added like an update. 4554 */ 4555 if (pkg.mVersionCode <= ps.versionCode) { 4556 shouldHideSystemApp = true; 4557 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4558 + " but new version " + pkg.mVersionCode + " better than installed " 4559 + ps.versionCode + "; hiding system"); 4560 } else { 4561 /* 4562 * The newly found system app is a newer version that the 4563 * one previously installed. Simply remove the 4564 * already-installed application and replace it with our own 4565 * while keeping the application data. 4566 */ 4567 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4568 + " reverting from " + ps.codePathString + ": new version " 4569 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4570 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4571 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4572 getAppDexInstructionSets(ps)); 4573 synchronized (mInstallLock) { 4574 args.cleanUpResourcesLI(); 4575 } 4576 } 4577 } 4578 } 4579 4580 // The apk is forward locked (not public) if its code and resources 4581 // are kept in different files. (except for app in either system or 4582 // vendor path). 4583 // TODO grab this value from PackageSettings 4584 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4585 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4586 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4587 } 4588 } 4589 4590 // TODO: extend to support forward-locked splits 4591 String resourcePath = null; 4592 String baseResourcePath = null; 4593 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4594 if (ps != null && ps.resourcePathString != null) { 4595 resourcePath = ps.resourcePathString; 4596 baseResourcePath = ps.resourcePathString; 4597 } else { 4598 // Should not happen at all. Just log an error. 4599 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4600 } 4601 } else { 4602 resourcePath = pkg.codePath; 4603 baseResourcePath = pkg.baseCodePath; 4604 } 4605 4606 // Set application objects path explicitly. 4607 pkg.applicationInfo.setCodePath(pkg.codePath); 4608 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4609 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4610 pkg.applicationInfo.setResourcePath(resourcePath); 4611 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4612 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4613 4614 // Note that we invoke the following method only if we are about to unpack an application 4615 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4616 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4617 4618 /* 4619 * If the system app should be overridden by a previously installed 4620 * data, hide the system app now and let the /data/app scan pick it up 4621 * again. 4622 */ 4623 if (shouldHideSystemApp) { 4624 synchronized (mPackages) { 4625 /* 4626 * We have to grant systems permissions before we hide, because 4627 * grantPermissions will assume the package update is trying to 4628 * expand its permissions. 4629 */ 4630 grantPermissionsLPw(pkg, true, pkg.packageName); 4631 mSettings.disableSystemPackageLPw(pkg.packageName); 4632 } 4633 } 4634 4635 return scannedPkg; 4636 } 4637 4638 private static String fixProcessName(String defProcessName, 4639 String processName, int uid) { 4640 if (processName == null) { 4641 return defProcessName; 4642 } 4643 return processName; 4644 } 4645 4646 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4647 throws PackageManagerException { 4648 if (pkgSetting.signatures.mSignatures != null) { 4649 // Already existing package. Make sure signatures match 4650 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4651 == PackageManager.SIGNATURE_MATCH; 4652 if (!match) { 4653 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4654 == PackageManager.SIGNATURE_MATCH; 4655 } 4656 if (!match) { 4657 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4658 == PackageManager.SIGNATURE_MATCH; 4659 } 4660 if (!match) { 4661 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4662 + pkg.packageName + " signatures do not match the " 4663 + "previously installed version; ignoring!"); 4664 } 4665 } 4666 4667 // Check for shared user signatures 4668 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4669 // Already existing package. Make sure signatures match 4670 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4671 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4672 if (!match) { 4673 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4674 == PackageManager.SIGNATURE_MATCH; 4675 } 4676 if (!match) { 4677 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4678 == PackageManager.SIGNATURE_MATCH; 4679 } 4680 if (!match) { 4681 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4682 "Package " + pkg.packageName 4683 + " has no signatures that match those in shared user " 4684 + pkgSetting.sharedUser.name + "; ignoring!"); 4685 } 4686 } 4687 } 4688 4689 /** 4690 * Enforces that only the system UID or root's UID can call a method exposed 4691 * via Binder. 4692 * 4693 * @param message used as message if SecurityException is thrown 4694 * @throws SecurityException if the caller is not system or root 4695 */ 4696 private static final void enforceSystemOrRoot(String message) { 4697 final int uid = Binder.getCallingUid(); 4698 if (uid != Process.SYSTEM_UID && uid != 0) { 4699 throw new SecurityException(message); 4700 } 4701 } 4702 4703 @Override 4704 public void performBootDexOpt() { 4705 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4706 4707 // Before everything else, see whether we need to fstrim. 4708 try { 4709 IMountService ms = PackageHelper.getMountService(); 4710 if (ms != null) { 4711 final boolean isUpgrade = isUpgrade(); 4712 boolean doTrim = isUpgrade; 4713 if (doTrim) { 4714 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 4715 } else { 4716 final long interval = android.provider.Settings.Global.getLong( 4717 mContext.getContentResolver(), 4718 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4719 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4720 if (interval > 0) { 4721 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4722 if (timeSinceLast > interval) { 4723 doTrim = true; 4724 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4725 + "; running immediately"); 4726 } 4727 } 4728 } 4729 if (doTrim) { 4730 if (!isFirstBoot()) { 4731 try { 4732 ActivityManagerNative.getDefault().showBootMessage( 4733 mContext.getResources().getString( 4734 R.string.android_upgrading_fstrim), true); 4735 } catch (RemoteException e) { 4736 } 4737 } 4738 ms.runMaintenance(); 4739 } 4740 } else { 4741 Slog.e(TAG, "Mount service unavailable!"); 4742 } 4743 } catch (RemoteException e) { 4744 // Can't happen; MountService is local 4745 } 4746 4747 final ArraySet<PackageParser.Package> pkgs; 4748 synchronized (mPackages) { 4749 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 4750 } 4751 4752 if (pkgs != null) { 4753 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4754 // in case the device runs out of space. 4755 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4756 // Give priority to core apps. 4757 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4758 PackageParser.Package pkg = it.next(); 4759 if (pkg.coreApp) { 4760 if (DEBUG_DEXOPT) { 4761 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4762 } 4763 sortedPkgs.add(pkg); 4764 it.remove(); 4765 } 4766 } 4767 // Give priority to system apps that listen for pre boot complete. 4768 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4769 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4770 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4771 PackageParser.Package pkg = it.next(); 4772 if (pkgNames.contains(pkg.packageName)) { 4773 if (DEBUG_DEXOPT) { 4774 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4775 } 4776 sortedPkgs.add(pkg); 4777 it.remove(); 4778 } 4779 } 4780 // Give priority to system apps. 4781 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4782 PackageParser.Package pkg = it.next(); 4783 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4784 if (DEBUG_DEXOPT) { 4785 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4786 } 4787 sortedPkgs.add(pkg); 4788 it.remove(); 4789 } 4790 } 4791 // Give priority to updated system apps. 4792 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4793 PackageParser.Package pkg = it.next(); 4794 if (isUpdatedSystemApp(pkg)) { 4795 if (DEBUG_DEXOPT) { 4796 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4797 } 4798 sortedPkgs.add(pkg); 4799 it.remove(); 4800 } 4801 } 4802 // Give priority to apps that listen for boot complete. 4803 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4804 pkgNames = getPackageNamesForIntent(intent); 4805 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4806 PackageParser.Package pkg = it.next(); 4807 if (pkgNames.contains(pkg.packageName)) { 4808 if (DEBUG_DEXOPT) { 4809 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4810 } 4811 sortedPkgs.add(pkg); 4812 it.remove(); 4813 } 4814 } 4815 // Filter out packages that aren't recently used. 4816 filterRecentlyUsedApps(pkgs); 4817 // Add all remaining apps. 4818 for (PackageParser.Package pkg : pkgs) { 4819 if (DEBUG_DEXOPT) { 4820 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4821 } 4822 sortedPkgs.add(pkg); 4823 } 4824 4825 // If we want to be lazy, filter everything that wasn't recently used. 4826 if (mLazyDexOpt) { 4827 filterRecentlyUsedApps(sortedPkgs); 4828 } 4829 4830 int i = 0; 4831 int total = sortedPkgs.size(); 4832 File dataDir = Environment.getDataDirectory(); 4833 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4834 if (lowThreshold == 0) { 4835 throw new IllegalStateException("Invalid low memory threshold"); 4836 } 4837 for (PackageParser.Package pkg : sortedPkgs) { 4838 long usableSpace = dataDir.getUsableSpace(); 4839 if (usableSpace < lowThreshold) { 4840 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4841 break; 4842 } 4843 performBootDexOpt(pkg, ++i, total); 4844 } 4845 } 4846 } 4847 4848 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4849 // Filter out packages that aren't recently used. 4850 // 4851 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4852 // should do a full dexopt. 4853 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4854 int total = pkgs.size(); 4855 int skipped = 0; 4856 long now = System.currentTimeMillis(); 4857 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4858 PackageParser.Package pkg = i.next(); 4859 long then = pkg.mLastPackageUsageTimeInMills; 4860 if (then + mDexOptLRUThresholdInMills < now) { 4861 if (DEBUG_DEXOPT) { 4862 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4863 ((then == 0) ? "never" : new Date(then))); 4864 } 4865 i.remove(); 4866 skipped++; 4867 } 4868 } 4869 if (DEBUG_DEXOPT) { 4870 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4871 } 4872 } 4873 } 4874 4875 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4876 List<ResolveInfo> ris = null; 4877 try { 4878 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4879 intent, null, 0, UserHandle.USER_OWNER); 4880 } catch (RemoteException e) { 4881 } 4882 ArraySet<String> pkgNames = new ArraySet<String>(); 4883 if (ris != null) { 4884 for (ResolveInfo ri : ris) { 4885 pkgNames.add(ri.activityInfo.packageName); 4886 } 4887 } 4888 return pkgNames; 4889 } 4890 4891 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4892 if (DEBUG_DEXOPT) { 4893 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4894 } 4895 if (!isFirstBoot()) { 4896 try { 4897 ActivityManagerNative.getDefault().showBootMessage( 4898 mContext.getResources().getString(R.string.android_upgrading_apk, 4899 curr, total), true); 4900 } catch (RemoteException e) { 4901 } 4902 } 4903 PackageParser.Package p = pkg; 4904 synchronized (mInstallLock) { 4905 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 4906 false /* force dex */, false /* defer */, true /* include dependencies */); 4907 } 4908 } 4909 4910 @Override 4911 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4912 return performDexOpt(packageName, instructionSet, false); 4913 } 4914 4915 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4916 if (info.primaryCpuAbi == null) { 4917 return getPreferredInstructionSet(); 4918 } 4919 4920 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4921 } 4922 4923 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4924 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4925 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4926 if (!dexopt && !updateUsage) { 4927 // We aren't going to dexopt or update usage, so bail early. 4928 return false; 4929 } 4930 PackageParser.Package p; 4931 final String targetInstructionSet; 4932 synchronized (mPackages) { 4933 p = mPackages.get(packageName); 4934 if (p == null) { 4935 return false; 4936 } 4937 if (updateUsage) { 4938 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4939 } 4940 mPackageUsage.write(false); 4941 if (!dexopt) { 4942 // We aren't going to dexopt, so bail early. 4943 return false; 4944 } 4945 4946 targetInstructionSet = instructionSet != null ? instructionSet : 4947 getPrimaryInstructionSet(p.applicationInfo); 4948 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4949 return false; 4950 } 4951 } 4952 4953 synchronized (mInstallLock) { 4954 final String[] instructionSets = new String[] { targetInstructionSet }; 4955 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 4956 false /* forceDex */, false /* defer */, true /* inclDependencies */); 4957 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 4958 } 4959 } 4960 4961 public ArraySet<String> getPackagesThatNeedDexOpt() { 4962 ArraySet<String> pkgs = null; 4963 synchronized (mPackages) { 4964 for (PackageParser.Package p : mPackages.values()) { 4965 if (DEBUG_DEXOPT) { 4966 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4967 } 4968 if (!p.mDexOptPerformed.isEmpty()) { 4969 continue; 4970 } 4971 if (pkgs == null) { 4972 pkgs = new ArraySet<String>(); 4973 } 4974 pkgs.add(p.packageName); 4975 } 4976 } 4977 return pkgs; 4978 } 4979 4980 public void shutdown() { 4981 mPackageUsage.write(true); 4982 } 4983 4984 @Override 4985 public void forceDexOpt(String packageName) { 4986 enforceSystemOrRoot("forceDexOpt"); 4987 4988 PackageParser.Package pkg; 4989 synchronized (mPackages) { 4990 pkg = mPackages.get(packageName); 4991 if (pkg == null) { 4992 throw new IllegalArgumentException("Missing package: " + packageName); 4993 } 4994 } 4995 4996 synchronized (mInstallLock) { 4997 final String[] instructionSets = new String[] { 4998 getPrimaryInstructionSet(pkg.applicationInfo) }; 4999 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 5000 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 5001 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 5002 throw new IllegalStateException("Failed to dexopt: " + res); 5003 } 5004 } 5005 } 5006 5007 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 5008 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 5009 Slog.w(TAG, "Unable to update from " + oldPkg.name 5010 + " to " + newPkg.packageName 5011 + ": old package not in system partition"); 5012 return false; 5013 } else if (mPackages.get(oldPkg.name) != null) { 5014 Slog.w(TAG, "Unable to update from " + oldPkg.name 5015 + " to " + newPkg.packageName 5016 + ": old package still exists"); 5017 return false; 5018 } 5019 return true; 5020 } 5021 5022 private File getDataPathForPackage(String packageName, int userId) { 5023 /* 5024 * Until we fully support multiple users, return the directory we 5025 * previously would have. The PackageManagerTests will need to be 5026 * revised when this is changed back.. 5027 */ 5028 if (userId == 0) { 5029 return new File(mAppDataDir, packageName); 5030 } else { 5031 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5032 + File.separator + packageName); 5033 } 5034 } 5035 5036 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5037 int[] users = sUserManager.getUserIds(); 5038 int res = mInstaller.install(packageName, uid, uid, seinfo); 5039 if (res < 0) { 5040 return res; 5041 } 5042 for (int user : users) { 5043 if (user != 0) { 5044 res = mInstaller.createUserData(packageName, 5045 UserHandle.getUid(user, uid), user, seinfo); 5046 if (res < 0) { 5047 return res; 5048 } 5049 } 5050 } 5051 return res; 5052 } 5053 5054 private int removeDataDirsLI(String packageName) { 5055 int[] users = sUserManager.getUserIds(); 5056 int res = 0; 5057 for (int user : users) { 5058 int resInner = mInstaller.remove(packageName, user); 5059 if (resInner < 0) { 5060 res = resInner; 5061 } 5062 } 5063 5064 return res; 5065 } 5066 5067 private int deleteCodeCacheDirsLI(String packageName) { 5068 int[] users = sUserManager.getUserIds(); 5069 int res = 0; 5070 for (int user : users) { 5071 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5072 if (resInner < 0) { 5073 res = resInner; 5074 } 5075 } 5076 return res; 5077 } 5078 5079 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5080 PackageParser.Package changingLib) { 5081 if (file.path != null) { 5082 usesLibraryFiles.add(file.path); 5083 return; 5084 } 5085 PackageParser.Package p = mPackages.get(file.apk); 5086 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5087 // If we are doing this while in the middle of updating a library apk, 5088 // then we need to make sure to use that new apk for determining the 5089 // dependencies here. (We haven't yet finished committing the new apk 5090 // to the package manager state.) 5091 if (p == null || p.packageName.equals(changingLib.packageName)) { 5092 p = changingLib; 5093 } 5094 } 5095 if (p != null) { 5096 usesLibraryFiles.addAll(p.getAllCodePaths()); 5097 } 5098 } 5099 5100 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5101 PackageParser.Package changingLib) throws PackageManagerException { 5102 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5103 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5104 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5105 for (int i=0; i<N; i++) { 5106 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5107 if (file == null) { 5108 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5109 "Package " + pkg.packageName + " requires unavailable shared library " 5110 + pkg.usesLibraries.get(i) + "; failing!"); 5111 } 5112 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5113 } 5114 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5115 for (int i=0; i<N; i++) { 5116 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5117 if (file == null) { 5118 Slog.w(TAG, "Package " + pkg.packageName 5119 + " desires unavailable shared library " 5120 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5121 } else { 5122 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5123 } 5124 } 5125 N = usesLibraryFiles.size(); 5126 if (N > 0) { 5127 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5128 } else { 5129 pkg.usesLibraryFiles = null; 5130 } 5131 } 5132 } 5133 5134 private static boolean hasString(List<String> list, List<String> which) { 5135 if (list == null) { 5136 return false; 5137 } 5138 for (int i=list.size()-1; i>=0; i--) { 5139 for (int j=which.size()-1; j>=0; j--) { 5140 if (which.get(j).equals(list.get(i))) { 5141 return true; 5142 } 5143 } 5144 } 5145 return false; 5146 } 5147 5148 private void updateAllSharedLibrariesLPw() { 5149 for (PackageParser.Package pkg : mPackages.values()) { 5150 try { 5151 updateSharedLibrariesLPw(pkg, null); 5152 } catch (PackageManagerException e) { 5153 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5154 } 5155 } 5156 } 5157 5158 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5159 PackageParser.Package changingPkg) { 5160 ArrayList<PackageParser.Package> res = null; 5161 for (PackageParser.Package pkg : mPackages.values()) { 5162 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5163 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5164 if (res == null) { 5165 res = new ArrayList<PackageParser.Package>(); 5166 } 5167 res.add(pkg); 5168 try { 5169 updateSharedLibrariesLPw(pkg, changingPkg); 5170 } catch (PackageManagerException e) { 5171 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5172 } 5173 } 5174 } 5175 return res; 5176 } 5177 5178 /** 5179 * Derive the value of the {@code cpuAbiOverride} based on the provided 5180 * value and an optional stored value from the package settings. 5181 */ 5182 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5183 String cpuAbiOverride = null; 5184 5185 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5186 cpuAbiOverride = null; 5187 } else if (abiOverride != null) { 5188 cpuAbiOverride = abiOverride; 5189 } else if (settings != null) { 5190 cpuAbiOverride = settings.cpuAbiOverrideString; 5191 } 5192 5193 return cpuAbiOverride; 5194 } 5195 5196 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5197 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5198 boolean success = false; 5199 try { 5200 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5201 currentTime, user); 5202 success = true; 5203 return res; 5204 } finally { 5205 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5206 removeDataDirsLI(pkg.packageName); 5207 } 5208 } 5209 } 5210 5211 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5212 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5213 final File scanFile = new File(pkg.codePath); 5214 if (pkg.applicationInfo.getCodePath() == null || 5215 pkg.applicationInfo.getResourcePath() == null) { 5216 // Bail out. The resource and code paths haven't been set. 5217 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5218 "Code and resource paths haven't been set correctly"); 5219 } 5220 5221 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5222 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5223 } else { 5224 // Only allow system apps to be flagged as core apps. 5225 pkg.coreApp = false; 5226 } 5227 5228 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5229 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5230 } 5231 5232 if (mCustomResolverComponentName != null && 5233 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5234 setUpCustomResolverActivity(pkg); 5235 } 5236 5237 if (pkg.packageName.equals("android")) { 5238 synchronized (mPackages) { 5239 if (mAndroidApplication != null) { 5240 Slog.w(TAG, "*************************************************"); 5241 Slog.w(TAG, "Core android package being redefined. Skipping."); 5242 Slog.w(TAG, " file=" + scanFile); 5243 Slog.w(TAG, "*************************************************"); 5244 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5245 "Core android package being redefined. Skipping."); 5246 } 5247 5248 // Set up information for our fall-back user intent resolution activity. 5249 mPlatformPackage = pkg; 5250 pkg.mVersionCode = mSdkVersion; 5251 mAndroidApplication = pkg.applicationInfo; 5252 5253 if (!mResolverReplaced) { 5254 mResolveActivity.applicationInfo = mAndroidApplication; 5255 mResolveActivity.name = ResolverActivity.class.getName(); 5256 mResolveActivity.packageName = mAndroidApplication.packageName; 5257 mResolveActivity.processName = "system:ui"; 5258 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5259 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5260 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5261 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5262 mResolveActivity.exported = true; 5263 mResolveActivity.enabled = true; 5264 mResolveInfo.activityInfo = mResolveActivity; 5265 mResolveInfo.priority = 0; 5266 mResolveInfo.preferredOrder = 0; 5267 mResolveInfo.match = 0; 5268 mResolveComponentName = new ComponentName( 5269 mAndroidApplication.packageName, mResolveActivity.name); 5270 } 5271 } 5272 } 5273 5274 if (DEBUG_PACKAGE_SCANNING) { 5275 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5276 Log.d(TAG, "Scanning package " + pkg.packageName); 5277 } 5278 5279 if (mPackages.containsKey(pkg.packageName) 5280 || mSharedLibraries.containsKey(pkg.packageName)) { 5281 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5282 "Application package " + pkg.packageName 5283 + " already installed. Skipping duplicate."); 5284 } 5285 5286 // If we're only installing presumed-existing packages, require that the 5287 // scanned APK is both already known and at the path previously established 5288 // for it. Previously unknown packages we pick up normally, but if we have an 5289 // a priori expectation about this package's install presence, enforce it. 5290 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 5291 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 5292 if (known != null) { 5293 if (DEBUG_PACKAGE_SCANNING) { 5294 Log.d(TAG, "Examining " + pkg.codePath 5295 + " and requiring known paths " + known.codePathString 5296 + " & " + known.resourcePathString); 5297 } 5298 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 5299 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 5300 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 5301 "Application package " + pkg.packageName 5302 + " found at " + pkg.applicationInfo.getCodePath() 5303 + " but expected at " + known.codePathString + "; ignoring."); 5304 } 5305 } 5306 } 5307 5308 // Initialize package source and resource directories 5309 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5310 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5311 5312 SharedUserSetting suid = null; 5313 PackageSetting pkgSetting = null; 5314 5315 if (!isSystemApp(pkg)) { 5316 // Only system apps can use these features. 5317 pkg.mOriginalPackages = null; 5318 pkg.mRealPackage = null; 5319 pkg.mAdoptPermissions = null; 5320 } 5321 5322 // writer 5323 synchronized (mPackages) { 5324 if (pkg.mSharedUserId != null) { 5325 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 5326 if (suid == null) { 5327 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5328 "Creating application package " + pkg.packageName 5329 + " for shared user failed"); 5330 } 5331 if (DEBUG_PACKAGE_SCANNING) { 5332 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5333 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5334 + "): packages=" + suid.packages); 5335 } 5336 } 5337 5338 // Check if we are renaming from an original package name. 5339 PackageSetting origPackage = null; 5340 String realName = null; 5341 if (pkg.mOriginalPackages != null) { 5342 // This package may need to be renamed to a previously 5343 // installed name. Let's check on that... 5344 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5345 if (pkg.mOriginalPackages.contains(renamed)) { 5346 // This package had originally been installed as the 5347 // original name, and we have already taken care of 5348 // transitioning to the new one. Just update the new 5349 // one to continue using the old name. 5350 realName = pkg.mRealPackage; 5351 if (!pkg.packageName.equals(renamed)) { 5352 // Callers into this function may have already taken 5353 // care of renaming the package; only do it here if 5354 // it is not already done. 5355 pkg.setPackageName(renamed); 5356 } 5357 5358 } else { 5359 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5360 if ((origPackage = mSettings.peekPackageLPr( 5361 pkg.mOriginalPackages.get(i))) != null) { 5362 // We do have the package already installed under its 5363 // original name... should we use it? 5364 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5365 // New package is not compatible with original. 5366 origPackage = null; 5367 continue; 5368 } else if (origPackage.sharedUser != null) { 5369 // Make sure uid is compatible between packages. 5370 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5371 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5372 + " to " + pkg.packageName + ": old uid " 5373 + origPackage.sharedUser.name 5374 + " differs from " + pkg.mSharedUserId); 5375 origPackage = null; 5376 continue; 5377 } 5378 } else { 5379 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5380 + pkg.packageName + " to old name " + origPackage.name); 5381 } 5382 break; 5383 } 5384 } 5385 } 5386 } 5387 5388 if (mTransferedPackages.contains(pkg.packageName)) { 5389 Slog.w(TAG, "Package " + pkg.packageName 5390 + " was transferred to another, but its .apk remains"); 5391 } 5392 5393 // Just create the setting, don't add it yet. For already existing packages 5394 // the PkgSetting exists already and doesn't have to be created. 5395 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5396 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5397 pkg.applicationInfo.primaryCpuAbi, 5398 pkg.applicationInfo.secondaryCpuAbi, 5399 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 5400 user, false); 5401 if (pkgSetting == null) { 5402 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5403 "Creating application package " + pkg.packageName + " failed"); 5404 } 5405 5406 if (pkgSetting.origPackage != null) { 5407 // If we are first transitioning from an original package, 5408 // fix up the new package's name now. We need to do this after 5409 // looking up the package under its new name, so getPackageLP 5410 // can take care of fiddling things correctly. 5411 pkg.setPackageName(origPackage.name); 5412 5413 // File a report about this. 5414 String msg = "New package " + pkgSetting.realName 5415 + " renamed to replace old package " + pkgSetting.name; 5416 reportSettingsProblem(Log.WARN, msg); 5417 5418 // Make a note of it. 5419 mTransferedPackages.add(origPackage.name); 5420 5421 // No longer need to retain this. 5422 pkgSetting.origPackage = null; 5423 } 5424 5425 if (realName != null) { 5426 // Make a note of it. 5427 mTransferedPackages.add(pkg.packageName); 5428 } 5429 5430 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5431 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5432 } 5433 5434 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5435 // Check all shared libraries and map to their actual file path. 5436 // We only do this here for apps not on a system dir, because those 5437 // are the only ones that can fail an install due to this. We 5438 // will take care of the system apps by updating all of their 5439 // library paths after the scan is done. 5440 updateSharedLibrariesLPw(pkg, null); 5441 } 5442 5443 if (mFoundPolicyFile) { 5444 SELinuxMMAC.assignSeinfoValue(pkg); 5445 } 5446 5447 pkg.applicationInfo.uid = pkgSetting.appId; 5448 pkg.mExtras = pkgSetting; 5449 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5450 try { 5451 verifySignaturesLP(pkgSetting, pkg); 5452 // We just determined the app is signed correctly, so bring 5453 // over the latest parsed certs. 5454 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5455 } catch (PackageManagerException e) { 5456 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5457 throw e; 5458 } 5459 // The signature has changed, but this package is in the system 5460 // image... let's recover! 5461 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5462 // However... if this package is part of a shared user, but it 5463 // doesn't match the signature of the shared user, let's fail. 5464 // What this means is that you can't change the signatures 5465 // associated with an overall shared user, which doesn't seem all 5466 // that unreasonable. 5467 if (pkgSetting.sharedUser != null) { 5468 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5469 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5470 throw new PackageManagerException( 5471 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5472 "Signature mismatch for shared user : " 5473 + pkgSetting.sharedUser); 5474 } 5475 } 5476 // File a report about this. 5477 String msg = "System package " + pkg.packageName 5478 + " signature changed; retaining data."; 5479 reportSettingsProblem(Log.WARN, msg); 5480 } 5481 } else { 5482 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5483 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5484 + pkg.packageName + " upgrade keys do not match the " 5485 + "previously installed version"); 5486 } else { 5487 // We just determined the app is signed correctly, so bring 5488 // over the latest parsed certs. 5489 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5490 } 5491 } 5492 // Verify that this new package doesn't have any content providers 5493 // that conflict with existing packages. Only do this if the 5494 // package isn't already installed, since we don't want to break 5495 // things that are installed. 5496 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5497 final int N = pkg.providers.size(); 5498 int i; 5499 for (i=0; i<N; i++) { 5500 PackageParser.Provider p = pkg.providers.get(i); 5501 if (p.info.authority != null) { 5502 String names[] = p.info.authority.split(";"); 5503 for (int j = 0; j < names.length; j++) { 5504 if (mProvidersByAuthority.containsKey(names[j])) { 5505 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5506 final String otherPackageName = 5507 ((other != null && other.getComponentName() != null) ? 5508 other.getComponentName().getPackageName() : "?"); 5509 throw new PackageManagerException( 5510 INSTALL_FAILED_CONFLICTING_PROVIDER, 5511 "Can't install because provider name " + names[j] 5512 + " (in package " + pkg.applicationInfo.packageName 5513 + ") is already used by " + otherPackageName); 5514 } 5515 } 5516 } 5517 } 5518 } 5519 5520 if (pkg.mAdoptPermissions != null) { 5521 // This package wants to adopt ownership of permissions from 5522 // another package. 5523 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5524 final String origName = pkg.mAdoptPermissions.get(i); 5525 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5526 if (orig != null) { 5527 if (verifyPackageUpdateLPr(orig, pkg)) { 5528 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5529 + pkg.packageName); 5530 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5531 } 5532 } 5533 } 5534 } 5535 } 5536 5537 final String pkgName = pkg.packageName; 5538 5539 final long scanFileTime = scanFile.lastModified(); 5540 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5541 pkg.applicationInfo.processName = fixProcessName( 5542 pkg.applicationInfo.packageName, 5543 pkg.applicationInfo.processName, 5544 pkg.applicationInfo.uid); 5545 5546 File dataPath; 5547 if (mPlatformPackage == pkg) { 5548 // The system package is special. 5549 dataPath = new File(Environment.getDataDirectory(), "system"); 5550 5551 pkg.applicationInfo.dataDir = dataPath.getPath(); 5552 5553 } else { 5554 // This is a normal package, need to make its data directory. 5555 dataPath = getDataPathForPackage(pkg.packageName, 0); 5556 5557 boolean uidError = false; 5558 if (dataPath.exists()) { 5559 int currentUid = 0; 5560 try { 5561 StructStat stat = Os.stat(dataPath.getPath()); 5562 currentUid = stat.st_uid; 5563 } catch (ErrnoException e) { 5564 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5565 } 5566 5567 // If we have mismatched owners for the data path, we have a problem. 5568 if (currentUid != pkg.applicationInfo.uid) { 5569 boolean recovered = false; 5570 if (currentUid == 0) { 5571 // The directory somehow became owned by root. Wow. 5572 // This is probably because the system was stopped while 5573 // installd was in the middle of messing with its libs 5574 // directory. Ask installd to fix that. 5575 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5576 pkg.applicationInfo.uid); 5577 if (ret >= 0) { 5578 recovered = true; 5579 String msg = "Package " + pkg.packageName 5580 + " unexpectedly changed to uid 0; recovered to " + 5581 + pkg.applicationInfo.uid; 5582 reportSettingsProblem(Log.WARN, msg); 5583 } 5584 } 5585 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5586 || (scanFlags&SCAN_BOOTING) != 0)) { 5587 // If this is a system app, we can at least delete its 5588 // current data so the application will still work. 5589 int ret = removeDataDirsLI(pkgName); 5590 if (ret >= 0) { 5591 // TODO: Kill the processes first 5592 // Old data gone! 5593 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5594 ? "System package " : "Third party package "; 5595 String msg = prefix + pkg.packageName 5596 + " has changed from uid: " 5597 + currentUid + " to " 5598 + pkg.applicationInfo.uid + "; old data erased"; 5599 reportSettingsProblem(Log.WARN, msg); 5600 recovered = true; 5601 5602 // And now re-install the app. 5603 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5604 pkg.applicationInfo.seinfo); 5605 if (ret == -1) { 5606 // Ack should not happen! 5607 msg = prefix + pkg.packageName 5608 + " could not have data directory re-created after delete."; 5609 reportSettingsProblem(Log.WARN, msg); 5610 throw new PackageManagerException( 5611 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5612 } 5613 } 5614 if (!recovered) { 5615 mHasSystemUidErrors = true; 5616 } 5617 } else if (!recovered) { 5618 // If we allow this install to proceed, we will be broken. 5619 // Abort, abort! 5620 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5621 "scanPackageLI"); 5622 } 5623 if (!recovered) { 5624 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5625 + pkg.applicationInfo.uid + "/fs_" 5626 + currentUid; 5627 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5628 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5629 String msg = "Package " + pkg.packageName 5630 + " has mismatched uid: " 5631 + currentUid + " on disk, " 5632 + pkg.applicationInfo.uid + " in settings"; 5633 // writer 5634 synchronized (mPackages) { 5635 mSettings.mReadMessages.append(msg); 5636 mSettings.mReadMessages.append('\n'); 5637 uidError = true; 5638 if (!pkgSetting.uidError) { 5639 reportSettingsProblem(Log.ERROR, msg); 5640 } 5641 } 5642 } 5643 } 5644 pkg.applicationInfo.dataDir = dataPath.getPath(); 5645 if (mShouldRestoreconData) { 5646 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5647 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5648 pkg.applicationInfo.uid); 5649 } 5650 } else { 5651 if (DEBUG_PACKAGE_SCANNING) { 5652 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5653 Log.v(TAG, "Want this data dir: " + dataPath); 5654 } 5655 //invoke installer to do the actual installation 5656 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5657 pkg.applicationInfo.seinfo); 5658 if (ret < 0) { 5659 // Error from installer 5660 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5661 "Unable to create data dirs [errorCode=" + ret + "]"); 5662 } 5663 5664 if (dataPath.exists()) { 5665 pkg.applicationInfo.dataDir = dataPath.getPath(); 5666 } else { 5667 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5668 pkg.applicationInfo.dataDir = null; 5669 } 5670 } 5671 5672 pkgSetting.uidError = uidError; 5673 } 5674 5675 final String path = scanFile.getPath(); 5676 final String codePath = pkg.applicationInfo.getCodePath(); 5677 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5678 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5679 setBundledAppAbisAndRoots(pkg, pkgSetting); 5680 5681 // If we haven't found any native libraries for the app, check if it has 5682 // renderscript code. We'll need to force the app to 32 bit if it has 5683 // renderscript bitcode. 5684 if (pkg.applicationInfo.primaryCpuAbi == null 5685 && pkg.applicationInfo.secondaryCpuAbi == null 5686 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5687 NativeLibraryHelper.Handle handle = null; 5688 try { 5689 handle = NativeLibraryHelper.Handle.create(scanFile); 5690 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5691 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5692 } 5693 } catch (IOException ioe) { 5694 Slog.w(TAG, "Error scanning system app : " + ioe); 5695 } finally { 5696 IoUtils.closeQuietly(handle); 5697 } 5698 } 5699 5700 setNativeLibraryPaths(pkg); 5701 } else { 5702 // TODO: We can probably be smarter about this stuff. For installed apps, 5703 // we can calculate this information at install time once and for all. For 5704 // system apps, we can probably assume that this information doesn't change 5705 // after the first boot scan. As things stand, we do lots of unnecessary work. 5706 5707 // Give ourselves some initial paths; we'll come back for another 5708 // pass once we've determined ABI below. 5709 setNativeLibraryPaths(pkg); 5710 5711 final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg); 5712 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5713 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5714 5715 NativeLibraryHelper.Handle handle = null; 5716 try { 5717 handle = NativeLibraryHelper.Handle.create(scanFile); 5718 // TODO(multiArch): This can be null for apps that didn't go through the 5719 // usual installation process. We can calculate it again, like we 5720 // do during install time. 5721 // 5722 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5723 // unnecessary. 5724 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5725 5726 // Null out the abis so that they can be recalculated. 5727 pkg.applicationInfo.primaryCpuAbi = null; 5728 pkg.applicationInfo.secondaryCpuAbi = null; 5729 if (isMultiArch(pkg.applicationInfo)) { 5730 // Warn if we've set an abiOverride for multi-lib packages.. 5731 // By definition, we need to copy both 32 and 64 bit libraries for 5732 // such packages. 5733 if (pkg.cpuAbiOverride != null 5734 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5735 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5736 } 5737 5738 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5739 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5740 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5741 if (isAsec) { 5742 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5743 } else { 5744 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5745 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5746 useIsaSpecificSubdirs); 5747 } 5748 } 5749 5750 maybeThrowExceptionForMultiArchCopy( 5751 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5752 5753 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5754 if (isAsec) { 5755 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5756 } else { 5757 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5758 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5759 useIsaSpecificSubdirs); 5760 } 5761 } 5762 5763 maybeThrowExceptionForMultiArchCopy( 5764 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5765 5766 if (abi64 >= 0) { 5767 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5768 } 5769 5770 if (abi32 >= 0) { 5771 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5772 if (abi64 >= 0) { 5773 pkg.applicationInfo.secondaryCpuAbi = abi; 5774 } else { 5775 pkg.applicationInfo.primaryCpuAbi = abi; 5776 } 5777 } 5778 } else { 5779 String[] abiList = (cpuAbiOverride != null) ? 5780 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5781 5782 // Enable gross and lame hacks for apps that are built with old 5783 // SDK tools. We must scan their APKs for renderscript bitcode and 5784 // not launch them if it's present. Don't bother checking on devices 5785 // that don't have 64 bit support. 5786 boolean needsRenderScriptOverride = false; 5787 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5788 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5789 abiList = Build.SUPPORTED_32_BIT_ABIS; 5790 needsRenderScriptOverride = true; 5791 } 5792 5793 final int copyRet; 5794 if (isAsec) { 5795 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5796 } else { 5797 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5798 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5799 } 5800 5801 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5802 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5803 "Error unpackaging native libs for app, errorCode=" + copyRet); 5804 } 5805 5806 if (copyRet >= 0) { 5807 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5808 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5809 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5810 } else if (needsRenderScriptOverride) { 5811 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5812 } 5813 } 5814 } catch (IOException ioe) { 5815 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5816 } finally { 5817 IoUtils.closeQuietly(handle); 5818 } 5819 5820 // Now that we've calculated the ABIs and determined if it's an internal app, 5821 // we will go ahead and populate the nativeLibraryPath. 5822 setNativeLibraryPaths(pkg); 5823 5824 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5825 final int[] userIds = sUserManager.getUserIds(); 5826 synchronized (mInstallLock) { 5827 // Create a native library symlink only if we have native libraries 5828 // and if the native libraries are 32 bit libraries. We do not provide 5829 // this symlink for 64 bit libraries. 5830 if (pkg.applicationInfo.primaryCpuAbi != null && 5831 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5832 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5833 for (int userId : userIds) { 5834 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5835 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5836 "Failed linking native library dir (user=" + userId + ")"); 5837 } 5838 } 5839 } 5840 } 5841 } 5842 5843 // This is a special case for the "system" package, where the ABI is 5844 // dictated by the zygote configuration (and init.rc). We should keep track 5845 // of this ABI so that we can deal with "normal" applications that run under 5846 // the same UID correctly. 5847 if (mPlatformPackage == pkg) { 5848 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5849 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5850 } 5851 5852 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5853 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5854 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5855 // Copy the derived override back to the parsed package, so that we can 5856 // update the package settings accordingly. 5857 pkg.cpuAbiOverride = cpuAbiOverride; 5858 5859 if (DEBUG_ABI_SELECTION) { 5860 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5861 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5862 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5863 } 5864 5865 // Push the derived path down into PackageSettings so we know what to 5866 // clean up at uninstall time. 5867 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5868 5869 if (DEBUG_ABI_SELECTION) { 5870 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5871 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5872 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5873 } 5874 5875 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5876 // We don't do this here during boot because we can do it all 5877 // at once after scanning all existing packages. 5878 // 5879 // We also do this *before* we perform dexopt on this package, so that 5880 // we can avoid redundant dexopts, and also to make sure we've got the 5881 // code and package path correct. 5882 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5883 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5884 } 5885 5886 if ((scanFlags & SCAN_NO_DEX) == 0) { 5887 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 5888 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 5889 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5890 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5891 } 5892 } 5893 5894 if (mFactoryTest && pkg.requestedPermissions.contains( 5895 android.Manifest.permission.FACTORY_TEST)) { 5896 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5897 } 5898 5899 ArrayList<PackageParser.Package> clientLibPkgs = null; 5900 5901 // writer 5902 synchronized (mPackages) { 5903 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5904 // Only system apps can add new shared libraries. 5905 if (pkg.libraryNames != null) { 5906 for (int i=0; i<pkg.libraryNames.size(); i++) { 5907 String name = pkg.libraryNames.get(i); 5908 boolean allowed = false; 5909 if (isUpdatedSystemApp(pkg)) { 5910 // New library entries can only be added through the 5911 // system image. This is important to get rid of a lot 5912 // of nasty edge cases: for example if we allowed a non- 5913 // system update of the app to add a library, then uninstalling 5914 // the update would make the library go away, and assumptions 5915 // we made such as through app install filtering would now 5916 // have allowed apps on the device which aren't compatible 5917 // with it. Better to just have the restriction here, be 5918 // conservative, and create many fewer cases that can negatively 5919 // impact the user experience. 5920 final PackageSetting sysPs = mSettings 5921 .getDisabledSystemPkgLPr(pkg.packageName); 5922 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5923 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5924 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5925 allowed = true; 5926 allowed = true; 5927 break; 5928 } 5929 } 5930 } 5931 } else { 5932 allowed = true; 5933 } 5934 if (allowed) { 5935 if (!mSharedLibraries.containsKey(name)) { 5936 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5937 } else if (!name.equals(pkg.packageName)) { 5938 Slog.w(TAG, "Package " + pkg.packageName + " library " 5939 + name + " already exists; skipping"); 5940 } 5941 } else { 5942 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5943 + name + " that is not declared on system image; skipping"); 5944 } 5945 } 5946 if ((scanFlags&SCAN_BOOTING) == 0) { 5947 // If we are not booting, we need to update any applications 5948 // that are clients of our shared library. If we are booting, 5949 // this will all be done once the scan is complete. 5950 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5951 } 5952 } 5953 } 5954 } 5955 5956 // We also need to dexopt any apps that are dependent on this library. Note that 5957 // if these fail, we should abort the install since installing the library will 5958 // result in some apps being broken. 5959 if (clientLibPkgs != null) { 5960 if ((scanFlags & SCAN_NO_DEX) == 0) { 5961 for (int i = 0; i < clientLibPkgs.size(); i++) { 5962 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5963 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 5964 null /* instruction sets */, forceDex, 5965 (scanFlags & SCAN_DEFER_DEX) != 0, false); 5966 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 5967 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5968 "scanPackageLI failed to dexopt clientLibPkgs"); 5969 } 5970 } 5971 } 5972 } 5973 5974 // Request the ActivityManager to kill the process(only for existing packages) 5975 // so that we do not end up in a confused state while the user is still using the older 5976 // version of the application while the new one gets installed. 5977 if ((scanFlags & SCAN_REPLACING) != 0) { 5978 killApplication(pkg.applicationInfo.packageName, 5979 pkg.applicationInfo.uid, "update pkg"); 5980 } 5981 5982 // Also need to kill any apps that are dependent on the library. 5983 if (clientLibPkgs != null) { 5984 for (int i=0; i<clientLibPkgs.size(); i++) { 5985 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5986 killApplication(clientPkg.applicationInfo.packageName, 5987 clientPkg.applicationInfo.uid, "update lib"); 5988 } 5989 } 5990 5991 // writer 5992 synchronized (mPackages) { 5993 // We don't expect installation to fail beyond this point 5994 5995 // Add the new setting to mSettings 5996 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5997 // Add the new setting to mPackages 5998 mPackages.put(pkg.applicationInfo.packageName, pkg); 5999 // Make sure we don't accidentally delete its data. 6000 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 6001 while (iter.hasNext()) { 6002 PackageCleanItem item = iter.next(); 6003 if (pkgName.equals(item.packageName)) { 6004 iter.remove(); 6005 } 6006 } 6007 6008 // Take care of first install / last update times. 6009 if (currentTime != 0) { 6010 if (pkgSetting.firstInstallTime == 0) { 6011 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 6012 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 6013 pkgSetting.lastUpdateTime = currentTime; 6014 } 6015 } else if (pkgSetting.firstInstallTime == 0) { 6016 // We need *something*. Take time time stamp of the file. 6017 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 6018 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 6019 if (scanFileTime != pkgSetting.timeStamp) { 6020 // A package on the system image has changed; consider this 6021 // to be an update. 6022 pkgSetting.lastUpdateTime = scanFileTime; 6023 } 6024 } 6025 6026 // Add the package's KeySets to the global KeySetManagerService 6027 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6028 try { 6029 // Old KeySetData no longer valid. 6030 ksms.removeAppKeySetDataLPw(pkg.packageName); 6031 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 6032 if (pkg.mKeySetMapping != null) { 6033 for (Map.Entry<String, ArraySet<PublicKey>> entry : 6034 pkg.mKeySetMapping.entrySet()) { 6035 if (entry.getValue() != null) { 6036 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 6037 entry.getValue(), entry.getKey()); 6038 } 6039 } 6040 if (pkg.mUpgradeKeySets != null) { 6041 for (String upgradeAlias : pkg.mUpgradeKeySets) { 6042 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 6043 } 6044 } 6045 } 6046 } catch (NullPointerException e) { 6047 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 6048 } catch (IllegalArgumentException e) { 6049 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 6050 } 6051 6052 int N = pkg.providers.size(); 6053 StringBuilder r = null; 6054 int i; 6055 for (i=0; i<N; i++) { 6056 PackageParser.Provider p = pkg.providers.get(i); 6057 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 6058 p.info.processName, pkg.applicationInfo.uid); 6059 mProviders.addProvider(p); 6060 p.syncable = p.info.isSyncable; 6061 if (p.info.authority != null) { 6062 String names[] = p.info.authority.split(";"); 6063 p.info.authority = null; 6064 for (int j = 0; j < names.length; j++) { 6065 if (j == 1 && p.syncable) { 6066 // We only want the first authority for a provider to possibly be 6067 // syncable, so if we already added this provider using a different 6068 // authority clear the syncable flag. We copy the provider before 6069 // changing it because the mProviders object contains a reference 6070 // to a provider that we don't want to change. 6071 // Only do this for the second authority since the resulting provider 6072 // object can be the same for all future authorities for this provider. 6073 p = new PackageParser.Provider(p); 6074 p.syncable = false; 6075 } 6076 if (!mProvidersByAuthority.containsKey(names[j])) { 6077 mProvidersByAuthority.put(names[j], p); 6078 if (p.info.authority == null) { 6079 p.info.authority = names[j]; 6080 } else { 6081 p.info.authority = p.info.authority + ";" + names[j]; 6082 } 6083 if (DEBUG_PACKAGE_SCANNING) { 6084 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6085 Log.d(TAG, "Registered content provider: " + names[j] 6086 + ", className = " + p.info.name + ", isSyncable = " 6087 + p.info.isSyncable); 6088 } 6089 } else { 6090 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6091 Slog.w(TAG, "Skipping provider name " + names[j] + 6092 " (in package " + pkg.applicationInfo.packageName + 6093 "): name already used by " 6094 + ((other != null && other.getComponentName() != null) 6095 ? other.getComponentName().getPackageName() : "?")); 6096 } 6097 } 6098 } 6099 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6100 if (r == null) { 6101 r = new StringBuilder(256); 6102 } else { 6103 r.append(' '); 6104 } 6105 r.append(p.info.name); 6106 } 6107 } 6108 if (r != null) { 6109 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6110 } 6111 6112 N = pkg.services.size(); 6113 r = null; 6114 for (i=0; i<N; i++) { 6115 PackageParser.Service s = pkg.services.get(i); 6116 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6117 s.info.processName, pkg.applicationInfo.uid); 6118 mServices.addService(s); 6119 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6120 if (r == null) { 6121 r = new StringBuilder(256); 6122 } else { 6123 r.append(' '); 6124 } 6125 r.append(s.info.name); 6126 } 6127 } 6128 if (r != null) { 6129 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6130 } 6131 6132 N = pkg.receivers.size(); 6133 r = null; 6134 for (i=0; i<N; i++) { 6135 PackageParser.Activity a = pkg.receivers.get(i); 6136 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6137 a.info.processName, pkg.applicationInfo.uid); 6138 mReceivers.addActivity(a, "receiver"); 6139 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6140 if (r == null) { 6141 r = new StringBuilder(256); 6142 } else { 6143 r.append(' '); 6144 } 6145 r.append(a.info.name); 6146 } 6147 } 6148 if (r != null) { 6149 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6150 } 6151 6152 N = pkg.activities.size(); 6153 r = null; 6154 for (i=0; i<N; i++) { 6155 PackageParser.Activity a = pkg.activities.get(i); 6156 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6157 a.info.processName, pkg.applicationInfo.uid); 6158 mActivities.addActivity(a, "activity"); 6159 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6160 if (r == null) { 6161 r = new StringBuilder(256); 6162 } else { 6163 r.append(' '); 6164 } 6165 r.append(a.info.name); 6166 } 6167 } 6168 if (r != null) { 6169 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6170 } 6171 6172 N = pkg.permissionGroups.size(); 6173 r = null; 6174 for (i=0; i<N; i++) { 6175 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6176 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6177 if (cur == null) { 6178 mPermissionGroups.put(pg.info.name, pg); 6179 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6180 if (r == null) { 6181 r = new StringBuilder(256); 6182 } else { 6183 r.append(' '); 6184 } 6185 r.append(pg.info.name); 6186 } 6187 } else { 6188 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6189 + pg.info.packageName + " ignored: original from " 6190 + cur.info.packageName); 6191 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6192 if (r == null) { 6193 r = new StringBuilder(256); 6194 } else { 6195 r.append(' '); 6196 } 6197 r.append("DUP:"); 6198 r.append(pg.info.name); 6199 } 6200 } 6201 } 6202 if (r != null) { 6203 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6204 } 6205 6206 N = pkg.permissions.size(); 6207 r = null; 6208 for (i=0; i<N; i++) { 6209 PackageParser.Permission p = pkg.permissions.get(i); 6210 ArrayMap<String, BasePermission> permissionMap = 6211 p.tree ? mSettings.mPermissionTrees 6212 : mSettings.mPermissions; 6213 p.group = mPermissionGroups.get(p.info.group); 6214 if (p.info.group == null || p.group != null) { 6215 BasePermission bp = permissionMap.get(p.info.name); 6216 6217 // Allow system apps to redefine non-system permissions 6218 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6219 final boolean currentOwnerIsSystem = (bp.perm != null 6220 && isSystemApp(bp.perm.owner)); 6221 if (isSystemApp(p.owner)) { 6222 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6223 // It's a built-in permission and no owner, take ownership now 6224 bp.packageSetting = pkgSetting; 6225 bp.perm = p; 6226 bp.uid = pkg.applicationInfo.uid; 6227 bp.sourcePackage = p.info.packageName; 6228 } else if (!currentOwnerIsSystem) { 6229 String msg = "New decl " + p.owner + " of permission " 6230 + p.info.name + " is system; overriding " + bp.sourcePackage; 6231 reportSettingsProblem(Log.WARN, msg); 6232 bp = null; 6233 } 6234 } 6235 } 6236 6237 if (bp == null) { 6238 bp = new BasePermission(p.info.name, p.info.packageName, 6239 BasePermission.TYPE_NORMAL); 6240 permissionMap.put(p.info.name, bp); 6241 } 6242 6243 if (bp.perm == null) { 6244 if (bp.sourcePackage == null 6245 || bp.sourcePackage.equals(p.info.packageName)) { 6246 BasePermission tree = findPermissionTreeLP(p.info.name); 6247 if (tree == null 6248 || tree.sourcePackage.equals(p.info.packageName)) { 6249 bp.packageSetting = pkgSetting; 6250 bp.perm = p; 6251 bp.uid = pkg.applicationInfo.uid; 6252 bp.sourcePackage = p.info.packageName; 6253 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6254 if (r == null) { 6255 r = new StringBuilder(256); 6256 } else { 6257 r.append(' '); 6258 } 6259 r.append(p.info.name); 6260 } 6261 } else { 6262 Slog.w(TAG, "Permission " + p.info.name + " from package " 6263 + p.info.packageName + " ignored: base tree " 6264 + tree.name + " is from package " 6265 + tree.sourcePackage); 6266 } 6267 } else { 6268 Slog.w(TAG, "Permission " + p.info.name + " from package " 6269 + p.info.packageName + " ignored: original from " 6270 + bp.sourcePackage); 6271 } 6272 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6273 if (r == null) { 6274 r = new StringBuilder(256); 6275 } else { 6276 r.append(' '); 6277 } 6278 r.append("DUP:"); 6279 r.append(p.info.name); 6280 } 6281 if (bp.perm == p) { 6282 bp.protectionLevel = p.info.protectionLevel; 6283 } 6284 } else { 6285 Slog.w(TAG, "Permission " + p.info.name + " from package " 6286 + p.info.packageName + " ignored: no group " 6287 + p.group); 6288 } 6289 } 6290 if (r != null) { 6291 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6292 } 6293 6294 N = pkg.instrumentation.size(); 6295 r = null; 6296 for (i=0; i<N; i++) { 6297 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6298 a.info.packageName = pkg.applicationInfo.packageName; 6299 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6300 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6301 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6302 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6303 a.info.dataDir = pkg.applicationInfo.dataDir; 6304 6305 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6306 // need other information about the application, like the ABI and what not ? 6307 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6308 mInstrumentation.put(a.getComponentName(), a); 6309 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6310 if (r == null) { 6311 r = new StringBuilder(256); 6312 } else { 6313 r.append(' '); 6314 } 6315 r.append(a.info.name); 6316 } 6317 } 6318 if (r != null) { 6319 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6320 } 6321 6322 if (pkg.protectedBroadcasts != null) { 6323 N = pkg.protectedBroadcasts.size(); 6324 for (i=0; i<N; i++) { 6325 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6326 } 6327 } 6328 6329 pkgSetting.setTimeStamp(scanFileTime); 6330 6331 // Create idmap files for pairs of (packages, overlay packages). 6332 // Note: "android", ie framework-res.apk, is handled by native layers. 6333 if (pkg.mOverlayTarget != null) { 6334 // This is an overlay package. 6335 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6336 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6337 mOverlays.put(pkg.mOverlayTarget, 6338 new ArrayMap<String, PackageParser.Package>()); 6339 } 6340 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6341 map.put(pkg.packageName, pkg); 6342 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6343 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6344 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6345 "scanPackageLI failed to createIdmap"); 6346 } 6347 } 6348 } else if (mOverlays.containsKey(pkg.packageName) && 6349 !pkg.packageName.equals("android")) { 6350 // This is a regular package, with one or more known overlay packages. 6351 createIdmapsForPackageLI(pkg); 6352 } 6353 } 6354 6355 return pkg; 6356 } 6357 6358 /** 6359 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6360 * i.e, so that all packages can be run inside a single process if required. 6361 * 6362 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6363 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6364 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6365 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6366 * updating a package that belongs to a shared user. 6367 * 6368 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6369 * adds unnecessary complexity. 6370 */ 6371 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6372 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6373 String requiredInstructionSet = null; 6374 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6375 requiredInstructionSet = VMRuntime.getInstructionSet( 6376 scannedPackage.applicationInfo.primaryCpuAbi); 6377 } 6378 6379 PackageSetting requirer = null; 6380 for (PackageSetting ps : packagesForUser) { 6381 // If packagesForUser contains scannedPackage, we skip it. This will happen 6382 // when scannedPackage is an update of an existing package. Without this check, 6383 // we will never be able to change the ABI of any package belonging to a shared 6384 // user, even if it's compatible with other packages. 6385 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6386 if (ps.primaryCpuAbiString == null) { 6387 continue; 6388 } 6389 6390 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6391 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6392 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6393 // this but there's not much we can do. 6394 String errorMessage = "Instruction set mismatch, " 6395 + ((requirer == null) ? "[caller]" : requirer) 6396 + " requires " + requiredInstructionSet + " whereas " + ps 6397 + " requires " + instructionSet; 6398 Slog.w(TAG, errorMessage); 6399 } 6400 6401 if (requiredInstructionSet == null) { 6402 requiredInstructionSet = instructionSet; 6403 requirer = ps; 6404 } 6405 } 6406 } 6407 6408 if (requiredInstructionSet != null) { 6409 String adjustedAbi; 6410 if (requirer != null) { 6411 // requirer != null implies that either scannedPackage was null or that scannedPackage 6412 // did not require an ABI, in which case we have to adjust scannedPackage to match 6413 // the ABI of the set (which is the same as requirer's ABI) 6414 adjustedAbi = requirer.primaryCpuAbiString; 6415 if (scannedPackage != null) { 6416 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6417 } 6418 } else { 6419 // requirer == null implies that we're updating all ABIs in the set to 6420 // match scannedPackage. 6421 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6422 } 6423 6424 for (PackageSetting ps : packagesForUser) { 6425 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6426 if (ps.primaryCpuAbiString != null) { 6427 continue; 6428 } 6429 6430 ps.primaryCpuAbiString = adjustedAbi; 6431 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6432 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6433 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6434 6435 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 6436 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 6437 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6438 ps.primaryCpuAbiString = null; 6439 ps.pkg.applicationInfo.primaryCpuAbi = null; 6440 return; 6441 } else { 6442 mInstaller.rmdex(ps.codePathString, 6443 getDexCodeInstructionSet(getPreferredInstructionSet())); 6444 } 6445 } 6446 } 6447 } 6448 } 6449 } 6450 6451 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6452 synchronized (mPackages) { 6453 mResolverReplaced = true; 6454 // Set up information for custom user intent resolution activity. 6455 mResolveActivity.applicationInfo = pkg.applicationInfo; 6456 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6457 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6458 mResolveActivity.processName = pkg.applicationInfo.packageName; 6459 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6460 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6461 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6462 mResolveActivity.theme = 0; 6463 mResolveActivity.exported = true; 6464 mResolveActivity.enabled = true; 6465 mResolveInfo.activityInfo = mResolveActivity; 6466 mResolveInfo.priority = 0; 6467 mResolveInfo.preferredOrder = 0; 6468 mResolveInfo.match = 0; 6469 mResolveComponentName = mCustomResolverComponentName; 6470 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6471 mResolveComponentName); 6472 } 6473 } 6474 6475 private static String calculateBundledApkRoot(final String codePathString) { 6476 final File codePath = new File(codePathString); 6477 final File codeRoot; 6478 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6479 codeRoot = Environment.getRootDirectory(); 6480 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6481 codeRoot = Environment.getOemDirectory(); 6482 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6483 codeRoot = Environment.getVendorDirectory(); 6484 } else { 6485 // Unrecognized code path; take its top real segment as the apk root: 6486 // e.g. /something/app/blah.apk => /something 6487 try { 6488 File f = codePath.getCanonicalFile(); 6489 File parent = f.getParentFile(); // non-null because codePath is a file 6490 File tmp; 6491 while ((tmp = parent.getParentFile()) != null) { 6492 f = parent; 6493 parent = tmp; 6494 } 6495 codeRoot = f; 6496 Slog.w(TAG, "Unrecognized code path " 6497 + codePath + " - using " + codeRoot); 6498 } catch (IOException e) { 6499 // Can't canonicalize the code path -- shenanigans? 6500 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6501 return Environment.getRootDirectory().getPath(); 6502 } 6503 } 6504 return codeRoot.getPath(); 6505 } 6506 6507 /** 6508 * Derive and set the location of native libraries for the given package, 6509 * which varies depending on where and how the package was installed. 6510 */ 6511 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6512 final ApplicationInfo info = pkg.applicationInfo; 6513 final String codePath = pkg.codePath; 6514 final File codeFile = new File(codePath); 6515 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6516 final boolean asecApp = info.isForwardLocked() || isExternal(info); 6517 6518 info.nativeLibraryRootDir = null; 6519 info.nativeLibraryRootRequiresIsa = false; 6520 info.nativeLibraryDir = null; 6521 info.secondaryNativeLibraryDir = null; 6522 6523 if (isApkFile(codeFile)) { 6524 // Monolithic install 6525 if (bundledApp) { 6526 // If "/system/lib64/apkname" exists, assume that is the per-package 6527 // native library directory to use; otherwise use "/system/lib/apkname". 6528 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6529 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6530 getPrimaryInstructionSet(info)); 6531 6532 // This is a bundled system app so choose the path based on the ABI. 6533 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6534 // is just the default path. 6535 final String apkName = deriveCodePathName(codePath); 6536 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6537 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6538 apkName).getAbsolutePath(); 6539 6540 if (info.secondaryCpuAbi != null) { 6541 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6542 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6543 secondaryLibDir, apkName).getAbsolutePath(); 6544 } 6545 } else if (asecApp) { 6546 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6547 .getAbsolutePath(); 6548 } else { 6549 final String apkName = deriveCodePathName(codePath); 6550 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6551 .getAbsolutePath(); 6552 } 6553 6554 info.nativeLibraryRootRequiresIsa = false; 6555 info.nativeLibraryDir = info.nativeLibraryRootDir; 6556 } else { 6557 // Cluster install 6558 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6559 info.nativeLibraryRootRequiresIsa = true; 6560 6561 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6562 getPrimaryInstructionSet(info)).getAbsolutePath(); 6563 6564 if (info.secondaryCpuAbi != null) { 6565 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6566 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6567 } 6568 } 6569 } 6570 6571 /** 6572 * Calculate the abis and roots for a bundled app. These can uniquely 6573 * be determined from the contents of the system partition, i.e whether 6574 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6575 * of this information, and instead assume that the system was built 6576 * sensibly. 6577 */ 6578 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6579 PackageSetting pkgSetting) { 6580 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6581 6582 // If "/system/lib64/apkname" exists, assume that is the per-package 6583 // native library directory to use; otherwise use "/system/lib/apkname". 6584 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6585 setBundledAppAbi(pkg, apkRoot, apkName); 6586 // pkgSetting might be null during rescan following uninstall of updates 6587 // to a bundled app, so accommodate that possibility. The settings in 6588 // that case will be established later from the parsed package. 6589 // 6590 // If the settings aren't null, sync them up with what we've just derived. 6591 // note that apkRoot isn't stored in the package settings. 6592 if (pkgSetting != null) { 6593 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6594 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6595 } 6596 } 6597 6598 /** 6599 * Deduces the ABI of a bundled app and sets the relevant fields on the 6600 * parsed pkg object. 6601 * 6602 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6603 * under which system libraries are installed. 6604 * @param apkName the name of the installed package. 6605 */ 6606 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6607 final File codeFile = new File(pkg.codePath); 6608 6609 final boolean has64BitLibs; 6610 final boolean has32BitLibs; 6611 if (isApkFile(codeFile)) { 6612 // Monolithic install 6613 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6614 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6615 } else { 6616 // Cluster install 6617 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6618 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6619 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6620 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6621 has64BitLibs = (new File(rootDir, isa)).exists(); 6622 } else { 6623 has64BitLibs = false; 6624 } 6625 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6626 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6627 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6628 has32BitLibs = (new File(rootDir, isa)).exists(); 6629 } else { 6630 has32BitLibs = false; 6631 } 6632 } 6633 6634 if (has64BitLibs && !has32BitLibs) { 6635 // The package has 64 bit libs, but not 32 bit libs. Its primary 6636 // ABI should be 64 bit. We can safely assume here that the bundled 6637 // native libraries correspond to the most preferred ABI in the list. 6638 6639 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6640 pkg.applicationInfo.secondaryCpuAbi = null; 6641 } else if (has32BitLibs && !has64BitLibs) { 6642 // The package has 32 bit libs but not 64 bit libs. Its primary 6643 // ABI should be 32 bit. 6644 6645 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6646 pkg.applicationInfo.secondaryCpuAbi = null; 6647 } else if (has32BitLibs && has64BitLibs) { 6648 // The application has both 64 and 32 bit bundled libraries. We check 6649 // here that the app declares multiArch support, and warn if it doesn't. 6650 // 6651 // We will be lenient here and record both ABIs. The primary will be the 6652 // ABI that's higher on the list, i.e, a device that's configured to prefer 6653 // 64 bit apps will see a 64 bit primary ABI, 6654 6655 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6656 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6657 } 6658 6659 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6660 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6661 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6662 } else { 6663 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6664 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6665 } 6666 } else { 6667 pkg.applicationInfo.primaryCpuAbi = null; 6668 pkg.applicationInfo.secondaryCpuAbi = null; 6669 } 6670 } 6671 6672 private void killApplication(String pkgName, int appId, String reason) { 6673 // Request the ActivityManager to kill the process(only for existing packages) 6674 // so that we do not end up in a confused state while the user is still using the older 6675 // version of the application while the new one gets installed. 6676 IActivityManager am = ActivityManagerNative.getDefault(); 6677 if (am != null) { 6678 try { 6679 am.killApplicationWithAppId(pkgName, appId, reason); 6680 } catch (RemoteException e) { 6681 } 6682 } 6683 } 6684 6685 void removePackageLI(PackageSetting ps, boolean chatty) { 6686 if (DEBUG_INSTALL) { 6687 if (chatty) 6688 Log.d(TAG, "Removing package " + ps.name); 6689 } 6690 6691 // writer 6692 synchronized (mPackages) { 6693 mPackages.remove(ps.name); 6694 final PackageParser.Package pkg = ps.pkg; 6695 if (pkg != null) { 6696 cleanPackageDataStructuresLILPw(pkg, chatty); 6697 } 6698 } 6699 } 6700 6701 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6702 if (DEBUG_INSTALL) { 6703 if (chatty) 6704 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6705 } 6706 6707 // writer 6708 synchronized (mPackages) { 6709 mPackages.remove(pkg.applicationInfo.packageName); 6710 cleanPackageDataStructuresLILPw(pkg, chatty); 6711 } 6712 } 6713 6714 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6715 int N = pkg.providers.size(); 6716 StringBuilder r = null; 6717 int i; 6718 for (i=0; i<N; i++) { 6719 PackageParser.Provider p = pkg.providers.get(i); 6720 mProviders.removeProvider(p); 6721 if (p.info.authority == null) { 6722 6723 /* There was another ContentProvider with this authority when 6724 * this app was installed so this authority is null, 6725 * Ignore it as we don't have to unregister the provider. 6726 */ 6727 continue; 6728 } 6729 String names[] = p.info.authority.split(";"); 6730 for (int j = 0; j < names.length; j++) { 6731 if (mProvidersByAuthority.get(names[j]) == p) { 6732 mProvidersByAuthority.remove(names[j]); 6733 if (DEBUG_REMOVE) { 6734 if (chatty) 6735 Log.d(TAG, "Unregistered content provider: " + names[j] 6736 + ", className = " + p.info.name + ", isSyncable = " 6737 + p.info.isSyncable); 6738 } 6739 } 6740 } 6741 if (DEBUG_REMOVE && chatty) { 6742 if (r == null) { 6743 r = new StringBuilder(256); 6744 } else { 6745 r.append(' '); 6746 } 6747 r.append(p.info.name); 6748 } 6749 } 6750 if (r != null) { 6751 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6752 } 6753 6754 N = pkg.services.size(); 6755 r = null; 6756 for (i=0; i<N; i++) { 6757 PackageParser.Service s = pkg.services.get(i); 6758 mServices.removeService(s); 6759 if (chatty) { 6760 if (r == null) { 6761 r = new StringBuilder(256); 6762 } else { 6763 r.append(' '); 6764 } 6765 r.append(s.info.name); 6766 } 6767 } 6768 if (r != null) { 6769 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6770 } 6771 6772 N = pkg.receivers.size(); 6773 r = null; 6774 for (i=0; i<N; i++) { 6775 PackageParser.Activity a = pkg.receivers.get(i); 6776 mReceivers.removeActivity(a, "receiver"); 6777 if (DEBUG_REMOVE && chatty) { 6778 if (r == null) { 6779 r = new StringBuilder(256); 6780 } else { 6781 r.append(' '); 6782 } 6783 r.append(a.info.name); 6784 } 6785 } 6786 if (r != null) { 6787 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6788 } 6789 6790 N = pkg.activities.size(); 6791 r = null; 6792 for (i=0; i<N; i++) { 6793 PackageParser.Activity a = pkg.activities.get(i); 6794 mActivities.removeActivity(a, "activity"); 6795 if (DEBUG_REMOVE && chatty) { 6796 if (r == null) { 6797 r = new StringBuilder(256); 6798 } else { 6799 r.append(' '); 6800 } 6801 r.append(a.info.name); 6802 } 6803 } 6804 if (r != null) { 6805 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6806 } 6807 6808 N = pkg.permissions.size(); 6809 r = null; 6810 for (i=0; i<N; i++) { 6811 PackageParser.Permission p = pkg.permissions.get(i); 6812 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6813 if (bp == null) { 6814 bp = mSettings.mPermissionTrees.get(p.info.name); 6815 } 6816 if (bp != null && bp.perm == p) { 6817 bp.perm = null; 6818 if (DEBUG_REMOVE && chatty) { 6819 if (r == null) { 6820 r = new StringBuilder(256); 6821 } else { 6822 r.append(' '); 6823 } 6824 r.append(p.info.name); 6825 } 6826 } 6827 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6828 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6829 if (appOpPerms != null) { 6830 appOpPerms.remove(pkg.packageName); 6831 } 6832 } 6833 } 6834 if (r != null) { 6835 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6836 } 6837 6838 N = pkg.requestedPermissions.size(); 6839 r = null; 6840 for (i=0; i<N; i++) { 6841 String perm = pkg.requestedPermissions.get(i); 6842 BasePermission bp = mSettings.mPermissions.get(perm); 6843 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6844 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6845 if (appOpPerms != null) { 6846 appOpPerms.remove(pkg.packageName); 6847 if (appOpPerms.isEmpty()) { 6848 mAppOpPermissionPackages.remove(perm); 6849 } 6850 } 6851 } 6852 } 6853 if (r != null) { 6854 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6855 } 6856 6857 N = pkg.instrumentation.size(); 6858 r = null; 6859 for (i=0; i<N; i++) { 6860 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6861 mInstrumentation.remove(a.getComponentName()); 6862 if (DEBUG_REMOVE && chatty) { 6863 if (r == null) { 6864 r = new StringBuilder(256); 6865 } else { 6866 r.append(' '); 6867 } 6868 r.append(a.info.name); 6869 } 6870 } 6871 if (r != null) { 6872 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6873 } 6874 6875 r = null; 6876 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6877 // Only system apps can hold shared libraries. 6878 if (pkg.libraryNames != null) { 6879 for (i=0; i<pkg.libraryNames.size(); i++) { 6880 String name = pkg.libraryNames.get(i); 6881 SharedLibraryEntry cur = mSharedLibraries.get(name); 6882 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6883 mSharedLibraries.remove(name); 6884 if (DEBUG_REMOVE && chatty) { 6885 if (r == null) { 6886 r = new StringBuilder(256); 6887 } else { 6888 r.append(' '); 6889 } 6890 r.append(name); 6891 } 6892 } 6893 } 6894 } 6895 } 6896 if (r != null) { 6897 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6898 } 6899 } 6900 6901 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6902 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6903 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6904 return true; 6905 } 6906 } 6907 return false; 6908 } 6909 6910 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6911 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6912 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6913 6914 private void updatePermissionsLPw(String changingPkg, 6915 PackageParser.Package pkgInfo, int flags) { 6916 // Make sure there are no dangling permission trees. 6917 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6918 while (it.hasNext()) { 6919 final BasePermission bp = it.next(); 6920 if (bp.packageSetting == null) { 6921 // We may not yet have parsed the package, so just see if 6922 // we still know about its settings. 6923 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6924 } 6925 if (bp.packageSetting == null) { 6926 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6927 + " from package " + bp.sourcePackage); 6928 it.remove(); 6929 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6930 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6931 Slog.i(TAG, "Removing old permission tree: " + bp.name 6932 + " from package " + bp.sourcePackage); 6933 flags |= UPDATE_PERMISSIONS_ALL; 6934 it.remove(); 6935 } 6936 } 6937 } 6938 6939 // Make sure all dynamic permissions have been assigned to a package, 6940 // and make sure there are no dangling permissions. 6941 it = mSettings.mPermissions.values().iterator(); 6942 while (it.hasNext()) { 6943 final BasePermission bp = it.next(); 6944 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6945 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6946 + bp.name + " pkg=" + bp.sourcePackage 6947 + " info=" + bp.pendingInfo); 6948 if (bp.packageSetting == null && bp.pendingInfo != null) { 6949 final BasePermission tree = findPermissionTreeLP(bp.name); 6950 if (tree != null && tree.perm != null) { 6951 bp.packageSetting = tree.packageSetting; 6952 bp.perm = new PackageParser.Permission(tree.perm.owner, 6953 new PermissionInfo(bp.pendingInfo)); 6954 bp.perm.info.packageName = tree.perm.info.packageName; 6955 bp.perm.info.name = bp.name; 6956 bp.uid = tree.uid; 6957 } 6958 } 6959 } 6960 if (bp.packageSetting == null) { 6961 // We may not yet have parsed the package, so just see if 6962 // we still know about its settings. 6963 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6964 } 6965 if (bp.packageSetting == null) { 6966 Slog.w(TAG, "Removing dangling permission: " + bp.name 6967 + " from package " + bp.sourcePackage); 6968 it.remove(); 6969 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6970 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6971 Slog.i(TAG, "Removing old permission: " + bp.name 6972 + " from package " + bp.sourcePackage); 6973 flags |= UPDATE_PERMISSIONS_ALL; 6974 it.remove(); 6975 } 6976 } 6977 } 6978 6979 // Now update the permissions for all packages, in particular 6980 // replace the granted permissions of the system packages. 6981 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6982 for (PackageParser.Package pkg : mPackages.values()) { 6983 if (pkg != pkgInfo) { 6984 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6985 changingPkg); 6986 } 6987 } 6988 } 6989 6990 if (pkgInfo != null) { 6991 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6992 } 6993 } 6994 6995 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6996 String packageOfInterest) { 6997 // IMPORTANT: There are two types of permissions: install and runtime. 6998 // Install time permissions are granted when the app is installed to 6999 // all device users and users added in the future. Runtime permissions 7000 // are granted at runtime explicitly to specific users. Normal and signature 7001 // protected permissions are install time permissions. Dangerous permissions 7002 // are install permissions if the app's target SDK is Lollipop MR1 or older, 7003 // otherwise they are runtime permissions. This function does not manage 7004 // runtime permissions except for the case an app targeting Lollipop MR1 7005 // being upgraded to target a newer SDK, in which case dangerous permissions 7006 // are transformed from install time to runtime ones. 7007 7008 final PackageSetting ps = (PackageSetting) pkg.mExtras; 7009 if (ps == null) { 7010 return; 7011 } 7012 7013 PermissionsState permissionsState = ps.getPermissionsState(); 7014 PermissionsState origPermissions = permissionsState; 7015 7016 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 7017 7018 int[] upgradeUserIds = PermissionsState.USERS_NONE; 7019 int[] changedRuntimePermissionUserIds = PermissionsState.USERS_NONE; 7020 7021 boolean changedInstallPermission = false; 7022 7023 if (replace) { 7024 ps.installPermissionsFixed = false; 7025 origPermissions = new PermissionsState(permissionsState); 7026 permissionsState.reset(); 7027 } 7028 7029 permissionsState.setGlobalGids(mGlobalGids); 7030 7031 final int N = pkg.requestedPermissions.size(); 7032 for (int i=0; i<N; i++) { 7033 final String name = pkg.requestedPermissions.get(i); 7034 final BasePermission bp = mSettings.mPermissions.get(name); 7035 7036 if (DEBUG_INSTALL) { 7037 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 7038 } 7039 7040 if (bp == null || bp.packageSetting == null) { 7041 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7042 Slog.w(TAG, "Unknown permission " + name 7043 + " in package " + pkg.packageName); 7044 } 7045 continue; 7046 } 7047 7048 final String perm = bp.name; 7049 boolean allowedSig = false; 7050 int grant = GRANT_DENIED; 7051 7052 // Keep track of app op permissions. 7053 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7054 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 7055 if (pkgs == null) { 7056 pkgs = new ArraySet<>(); 7057 mAppOpPermissionPackages.put(bp.name, pkgs); 7058 } 7059 pkgs.add(pkg.packageName); 7060 } 7061 7062 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 7063 switch (level) { 7064 case PermissionInfo.PROTECTION_NORMAL: { 7065 // For all apps normal permissions are install time ones. 7066 grant = GRANT_INSTALL; 7067 } break; 7068 7069 case PermissionInfo.PROTECTION_DANGEROUS: { 7070 if (!RUNTIME_PERMISSIONS_ENABLED 7071 || pkg.applicationInfo.targetSdkVersion 7072 <= Build.VERSION_CODES.LOLLIPOP_MR1) { 7073 // For legacy apps dangerous permissions are install time ones. 7074 grant = GRANT_INSTALL; 7075 } else if (ps.isSystem()) { 7076 final int[] updatedUserIds = ps.getPermissionsUpdatedForUserIds(); 7077 if (origPermissions.hasInstallPermission(bp.name)) { 7078 // If a system app had an install permission, then the app was 7079 // upgraded and we grant the permissions as runtime to all users. 7080 grant = GRANT_UPGRADE; 7081 upgradeUserIds = currentUserIds; 7082 } else if (!Arrays.equals(updatedUserIds, currentUserIds)) { 7083 // If users changed since the last permissions update for a 7084 // system app, we grant the permission as runtime to the new users. 7085 grant = GRANT_UPGRADE; 7086 upgradeUserIds = currentUserIds; 7087 for (int userId : updatedUserIds) { 7088 upgradeUserIds = ArrayUtils.removeInt(upgradeUserIds, userId); 7089 } 7090 } else { 7091 // Otherwise, we grant the permission as runtime if the app 7092 // already had it, i.e. we preserve runtime permissions. 7093 grant = GRANT_RUNTIME; 7094 } 7095 } else if (origPermissions.hasInstallPermission(bp.name)) { 7096 // For legacy apps that became modern, install becomes runtime. 7097 grant = GRANT_UPGRADE; 7098 upgradeUserIds = currentUserIds; 7099 } else if (replace) { 7100 // For upgraded modern apps keep runtime permissions unchanged. 7101 grant = GRANT_RUNTIME; 7102 } 7103 } break; 7104 7105 case PermissionInfo.PROTECTION_SIGNATURE: { 7106 // For all apps signature permissions are install time ones. 7107 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 7108 if (allowedSig) { 7109 grant = GRANT_INSTALL; 7110 } 7111 } break; 7112 } 7113 7114 if (DEBUG_INSTALL) { 7115 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7116 } 7117 7118 if (grant != GRANT_DENIED) { 7119 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 7120 // If this is an existing, non-system package, then 7121 // we can't add any new permissions to it. 7122 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 7123 // Except... if this is a permission that was added 7124 // to the platform (note: need to only do this when 7125 // updating the platform). 7126 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 7127 grant = GRANT_DENIED; 7128 } 7129 } 7130 } 7131 7132 switch (grant) { 7133 case GRANT_INSTALL: { 7134 // Grant an install permission. 7135 if (permissionsState.grantInstallPermission(bp) != 7136 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7137 changedInstallPermission = true; 7138 } 7139 } break; 7140 7141 case GRANT_RUNTIME: { 7142 // Grant previously granted runtime permissions. 7143 for (int userId : UserManagerService.getInstance().getUserIds()) { 7144 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 7145 if (permissionsState.grantRuntimePermission(bp, userId) == 7146 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7147 // If we cannot put the permission as it was, we have to write. 7148 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 7149 changedRuntimePermissionUserIds, userId); 7150 } 7151 } 7152 } 7153 } break; 7154 7155 case GRANT_UPGRADE: { 7156 // Grant runtime permissions for a previously held install permission. 7157 permissionsState.revokeInstallPermission(bp); 7158 for (int userId : upgradeUserIds) { 7159 if (permissionsState.grantRuntimePermission(bp, userId) != 7160 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7161 // If we granted the permission, we have to write. 7162 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 7163 changedRuntimePermissionUserIds, userId); 7164 } 7165 } 7166 } break; 7167 7168 default: { 7169 if (packageOfInterest == null 7170 || packageOfInterest.equals(pkg.packageName)) { 7171 Slog.w(TAG, "Not granting permission " + perm 7172 + " to package " + pkg.packageName 7173 + " because it was previously installed without"); 7174 } 7175 } break; 7176 } 7177 } else { 7178 if (permissionsState.revokeInstallPermission(bp) != 7179 PermissionsState.PERMISSION_OPERATION_FAILURE) { 7180 changedInstallPermission = true; 7181 Slog.i(TAG, "Un-granting permission " + perm 7182 + " from package " + pkg.packageName 7183 + " (protectionLevel=" + bp.protectionLevel 7184 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7185 + ")"); 7186 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7187 // Don't print warning for app op permissions, since it is fine for them 7188 // not to be granted, there is a UI for the user to decide. 7189 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7190 Slog.w(TAG, "Not granting permission " + perm 7191 + " to package " + pkg.packageName 7192 + " (protectionLevel=" + bp.protectionLevel 7193 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7194 + ")"); 7195 } 7196 } 7197 } 7198 } 7199 7200 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 7201 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7202 // This is the first that we have heard about this package, so the 7203 // permissions we have now selected are fixed until explicitly 7204 // changed. 7205 ps.installPermissionsFixed = true; 7206 } 7207 7208 ps.setPermissionsUpdatedForUserIds(currentUserIds); 7209 7210 // Persist the runtime permissions state for users with changes. 7211 if (RUNTIME_PERMISSIONS_ENABLED) { 7212 for (int userId : changedRuntimePermissionUserIds) { 7213 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 7214 } 7215 } 7216 } 7217 7218 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7219 boolean allowed = false; 7220 final int NP = PackageParser.NEW_PERMISSIONS.length; 7221 for (int ip=0; ip<NP; ip++) { 7222 final PackageParser.NewPermissionInfo npi 7223 = PackageParser.NEW_PERMISSIONS[ip]; 7224 if (npi.name.equals(perm) 7225 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7226 allowed = true; 7227 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7228 + pkg.packageName); 7229 break; 7230 } 7231 } 7232 return allowed; 7233 } 7234 7235 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7236 BasePermission bp, PermissionsState origPermissions) { 7237 boolean allowed; 7238 allowed = (compareSignatures( 7239 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7240 == PackageManager.SIGNATURE_MATCH) 7241 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7242 == PackageManager.SIGNATURE_MATCH); 7243 if (!allowed && (bp.protectionLevel 7244 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7245 if (isSystemApp(pkg)) { 7246 // For updated system applications, a system permission 7247 // is granted only if it had been defined by the original application. 7248 if (isUpdatedSystemApp(pkg)) { 7249 final PackageSetting sysPs = mSettings 7250 .getDisabledSystemPkgLPr(pkg.packageName); 7251 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 7252 // If the original was granted this permission, we take 7253 // that grant decision as read and propagate it to the 7254 // update. 7255 if (sysPs.isPrivileged()) { 7256 allowed = true; 7257 } 7258 } else { 7259 // The system apk may have been updated with an older 7260 // version of the one on the data partition, but which 7261 // granted a new system permission that it didn't have 7262 // before. In this case we do want to allow the app to 7263 // now get the new permission if the ancestral apk is 7264 // privileged to get it. 7265 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7266 for (int j=0; 7267 j<sysPs.pkg.requestedPermissions.size(); j++) { 7268 if (perm.equals( 7269 sysPs.pkg.requestedPermissions.get(j))) { 7270 allowed = true; 7271 break; 7272 } 7273 } 7274 } 7275 } 7276 } else { 7277 allowed = isPrivilegedApp(pkg); 7278 } 7279 } 7280 } 7281 if (!allowed && (bp.protectionLevel 7282 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7283 // For development permissions, a development permission 7284 // is granted only if it was already granted. 7285 allowed = origPermissions.hasInstallPermission(perm); 7286 } 7287 return allowed; 7288 } 7289 7290 final class ActivityIntentResolver 7291 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7292 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7293 boolean defaultOnly, int userId) { 7294 if (!sUserManager.exists(userId)) return null; 7295 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7296 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7297 } 7298 7299 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7300 int userId) { 7301 if (!sUserManager.exists(userId)) return null; 7302 mFlags = flags; 7303 return super.queryIntent(intent, resolvedType, 7304 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7305 } 7306 7307 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7308 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7309 if (!sUserManager.exists(userId)) return null; 7310 if (packageActivities == null) { 7311 return null; 7312 } 7313 mFlags = flags; 7314 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7315 final int N = packageActivities.size(); 7316 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7317 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7318 7319 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7320 for (int i = 0; i < N; ++i) { 7321 intentFilters = packageActivities.get(i).intents; 7322 if (intentFilters != null && intentFilters.size() > 0) { 7323 PackageParser.ActivityIntentInfo[] array = 7324 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7325 intentFilters.toArray(array); 7326 listCut.add(array); 7327 } 7328 } 7329 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7330 } 7331 7332 public final void addActivity(PackageParser.Activity a, String type) { 7333 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7334 mActivities.put(a.getComponentName(), a); 7335 if (DEBUG_SHOW_INFO) 7336 Log.v( 7337 TAG, " " + type + " " + 7338 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7339 if (DEBUG_SHOW_INFO) 7340 Log.v(TAG, " Class=" + a.info.name); 7341 final int NI = a.intents.size(); 7342 for (int j=0; j<NI; j++) { 7343 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7344 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7345 intent.setPriority(0); 7346 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7347 + a.className + " with priority > 0, forcing to 0"); 7348 } 7349 if (DEBUG_SHOW_INFO) { 7350 Log.v(TAG, " IntentFilter:"); 7351 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7352 } 7353 if (!intent.debugCheck()) { 7354 Log.w(TAG, "==> For Activity " + a.info.name); 7355 } 7356 addFilter(intent); 7357 } 7358 } 7359 7360 public final void removeActivity(PackageParser.Activity a, String type) { 7361 mActivities.remove(a.getComponentName()); 7362 if (DEBUG_SHOW_INFO) { 7363 Log.v(TAG, " " + type + " " 7364 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7365 : a.info.name) + ":"); 7366 Log.v(TAG, " Class=" + a.info.name); 7367 } 7368 final int NI = a.intents.size(); 7369 for (int j=0; j<NI; j++) { 7370 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7371 if (DEBUG_SHOW_INFO) { 7372 Log.v(TAG, " IntentFilter:"); 7373 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7374 } 7375 removeFilter(intent); 7376 } 7377 } 7378 7379 @Override 7380 protected boolean allowFilterResult( 7381 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7382 ActivityInfo filterAi = filter.activity.info; 7383 for (int i=dest.size()-1; i>=0; i--) { 7384 ActivityInfo destAi = dest.get(i).activityInfo; 7385 if (destAi.name == filterAi.name 7386 && destAi.packageName == filterAi.packageName) { 7387 return false; 7388 } 7389 } 7390 return true; 7391 } 7392 7393 @Override 7394 protected ActivityIntentInfo[] newArray(int size) { 7395 return new ActivityIntentInfo[size]; 7396 } 7397 7398 @Override 7399 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7400 if (!sUserManager.exists(userId)) return true; 7401 PackageParser.Package p = filter.activity.owner; 7402 if (p != null) { 7403 PackageSetting ps = (PackageSetting)p.mExtras; 7404 if (ps != null) { 7405 // System apps are never considered stopped for purposes of 7406 // filtering, because there may be no way for the user to 7407 // actually re-launch them. 7408 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7409 && ps.getStopped(userId); 7410 } 7411 } 7412 return false; 7413 } 7414 7415 @Override 7416 protected boolean isPackageForFilter(String packageName, 7417 PackageParser.ActivityIntentInfo info) { 7418 return packageName.equals(info.activity.owner.packageName); 7419 } 7420 7421 @Override 7422 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7423 int match, int userId) { 7424 if (!sUserManager.exists(userId)) return null; 7425 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7426 return null; 7427 } 7428 final PackageParser.Activity activity = info.activity; 7429 if (mSafeMode && (activity.info.applicationInfo.flags 7430 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7431 return null; 7432 } 7433 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7434 if (ps == null) { 7435 return null; 7436 } 7437 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7438 ps.readUserState(userId), userId); 7439 if (ai == null) { 7440 return null; 7441 } 7442 final ResolveInfo res = new ResolveInfo(); 7443 res.activityInfo = ai; 7444 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7445 res.filter = info; 7446 } 7447 res.priority = info.getPriority(); 7448 res.preferredOrder = activity.owner.mPreferredOrder; 7449 //System.out.println("Result: " + res.activityInfo.className + 7450 // " = " + res.priority); 7451 res.match = match; 7452 res.isDefault = info.hasDefault; 7453 res.labelRes = info.labelRes; 7454 res.nonLocalizedLabel = info.nonLocalizedLabel; 7455 if (userNeedsBadging(userId)) { 7456 res.noResourceId = true; 7457 } else { 7458 res.icon = info.icon; 7459 } 7460 res.system = isSystemApp(res.activityInfo.applicationInfo); 7461 return res; 7462 } 7463 7464 @Override 7465 protected void sortResults(List<ResolveInfo> results) { 7466 Collections.sort(results, mResolvePrioritySorter); 7467 } 7468 7469 @Override 7470 protected void dumpFilter(PrintWriter out, String prefix, 7471 PackageParser.ActivityIntentInfo filter) { 7472 out.print(prefix); out.print( 7473 Integer.toHexString(System.identityHashCode(filter.activity))); 7474 out.print(' '); 7475 filter.activity.printComponentShortName(out); 7476 out.print(" filter "); 7477 out.println(Integer.toHexString(System.identityHashCode(filter))); 7478 } 7479 7480 @Override 7481 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7482 return filter.activity; 7483 } 7484 7485 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7486 PackageParser.Activity activity = (PackageParser.Activity)label; 7487 out.print(prefix); out.print( 7488 Integer.toHexString(System.identityHashCode(activity))); 7489 out.print(' '); 7490 activity.printComponentShortName(out); 7491 if (count > 1) { 7492 out.print(" ("); out.print(count); out.print(" filters)"); 7493 } 7494 out.println(); 7495 } 7496 7497// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7498// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7499// final List<ResolveInfo> retList = Lists.newArrayList(); 7500// while (i.hasNext()) { 7501// final ResolveInfo resolveInfo = i.next(); 7502// if (isEnabledLP(resolveInfo.activityInfo)) { 7503// retList.add(resolveInfo); 7504// } 7505// } 7506// return retList; 7507// } 7508 7509 // Keys are String (activity class name), values are Activity. 7510 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7511 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7512 private int mFlags; 7513 } 7514 7515 private final class ServiceIntentResolver 7516 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7517 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7518 boolean defaultOnly, int userId) { 7519 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7520 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7521 } 7522 7523 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7524 int userId) { 7525 if (!sUserManager.exists(userId)) return null; 7526 mFlags = flags; 7527 return super.queryIntent(intent, resolvedType, 7528 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7529 } 7530 7531 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7532 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7533 if (!sUserManager.exists(userId)) return null; 7534 if (packageServices == null) { 7535 return null; 7536 } 7537 mFlags = flags; 7538 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7539 final int N = packageServices.size(); 7540 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7541 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7542 7543 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7544 for (int i = 0; i < N; ++i) { 7545 intentFilters = packageServices.get(i).intents; 7546 if (intentFilters != null && intentFilters.size() > 0) { 7547 PackageParser.ServiceIntentInfo[] array = 7548 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7549 intentFilters.toArray(array); 7550 listCut.add(array); 7551 } 7552 } 7553 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7554 } 7555 7556 public final void addService(PackageParser.Service s) { 7557 mServices.put(s.getComponentName(), s); 7558 if (DEBUG_SHOW_INFO) { 7559 Log.v(TAG, " " 7560 + (s.info.nonLocalizedLabel != null 7561 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7562 Log.v(TAG, " Class=" + s.info.name); 7563 } 7564 final int NI = s.intents.size(); 7565 int j; 7566 for (j=0; j<NI; j++) { 7567 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7568 if (DEBUG_SHOW_INFO) { 7569 Log.v(TAG, " IntentFilter:"); 7570 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7571 } 7572 if (!intent.debugCheck()) { 7573 Log.w(TAG, "==> For Service " + s.info.name); 7574 } 7575 addFilter(intent); 7576 } 7577 } 7578 7579 public final void removeService(PackageParser.Service s) { 7580 mServices.remove(s.getComponentName()); 7581 if (DEBUG_SHOW_INFO) { 7582 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7583 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7584 Log.v(TAG, " Class=" + s.info.name); 7585 } 7586 final int NI = s.intents.size(); 7587 int j; 7588 for (j=0; j<NI; j++) { 7589 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7590 if (DEBUG_SHOW_INFO) { 7591 Log.v(TAG, " IntentFilter:"); 7592 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7593 } 7594 removeFilter(intent); 7595 } 7596 } 7597 7598 @Override 7599 protected boolean allowFilterResult( 7600 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7601 ServiceInfo filterSi = filter.service.info; 7602 for (int i=dest.size()-1; i>=0; i--) { 7603 ServiceInfo destAi = dest.get(i).serviceInfo; 7604 if (destAi.name == filterSi.name 7605 && destAi.packageName == filterSi.packageName) { 7606 return false; 7607 } 7608 } 7609 return true; 7610 } 7611 7612 @Override 7613 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7614 return new PackageParser.ServiceIntentInfo[size]; 7615 } 7616 7617 @Override 7618 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7619 if (!sUserManager.exists(userId)) return true; 7620 PackageParser.Package p = filter.service.owner; 7621 if (p != null) { 7622 PackageSetting ps = (PackageSetting)p.mExtras; 7623 if (ps != null) { 7624 // System apps are never considered stopped for purposes of 7625 // filtering, because there may be no way for the user to 7626 // actually re-launch them. 7627 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7628 && ps.getStopped(userId); 7629 } 7630 } 7631 return false; 7632 } 7633 7634 @Override 7635 protected boolean isPackageForFilter(String packageName, 7636 PackageParser.ServiceIntentInfo info) { 7637 return packageName.equals(info.service.owner.packageName); 7638 } 7639 7640 @Override 7641 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7642 int match, int userId) { 7643 if (!sUserManager.exists(userId)) return null; 7644 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7645 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7646 return null; 7647 } 7648 final PackageParser.Service service = info.service; 7649 if (mSafeMode && (service.info.applicationInfo.flags 7650 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7651 return null; 7652 } 7653 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7654 if (ps == null) { 7655 return null; 7656 } 7657 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7658 ps.readUserState(userId), userId); 7659 if (si == null) { 7660 return null; 7661 } 7662 final ResolveInfo res = new ResolveInfo(); 7663 res.serviceInfo = si; 7664 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7665 res.filter = filter; 7666 } 7667 res.priority = info.getPriority(); 7668 res.preferredOrder = service.owner.mPreferredOrder; 7669 //System.out.println("Result: " + res.activityInfo.className + 7670 // " = " + res.priority); 7671 res.match = match; 7672 res.isDefault = info.hasDefault; 7673 res.labelRes = info.labelRes; 7674 res.nonLocalizedLabel = info.nonLocalizedLabel; 7675 res.icon = info.icon; 7676 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7677 return res; 7678 } 7679 7680 @Override 7681 protected void sortResults(List<ResolveInfo> results) { 7682 Collections.sort(results, mResolvePrioritySorter); 7683 } 7684 7685 @Override 7686 protected void dumpFilter(PrintWriter out, String prefix, 7687 PackageParser.ServiceIntentInfo filter) { 7688 out.print(prefix); out.print( 7689 Integer.toHexString(System.identityHashCode(filter.service))); 7690 out.print(' '); 7691 filter.service.printComponentShortName(out); 7692 out.print(" filter "); 7693 out.println(Integer.toHexString(System.identityHashCode(filter))); 7694 } 7695 7696 @Override 7697 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7698 return filter.service; 7699 } 7700 7701 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7702 PackageParser.Service service = (PackageParser.Service)label; 7703 out.print(prefix); out.print( 7704 Integer.toHexString(System.identityHashCode(service))); 7705 out.print(' '); 7706 service.printComponentShortName(out); 7707 if (count > 1) { 7708 out.print(" ("); out.print(count); out.print(" filters)"); 7709 } 7710 out.println(); 7711 } 7712 7713// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7714// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7715// final List<ResolveInfo> retList = Lists.newArrayList(); 7716// while (i.hasNext()) { 7717// final ResolveInfo resolveInfo = (ResolveInfo) i; 7718// if (isEnabledLP(resolveInfo.serviceInfo)) { 7719// retList.add(resolveInfo); 7720// } 7721// } 7722// return retList; 7723// } 7724 7725 // Keys are String (activity class name), values are Activity. 7726 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7727 = new ArrayMap<ComponentName, PackageParser.Service>(); 7728 private int mFlags; 7729 }; 7730 7731 private final class ProviderIntentResolver 7732 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7733 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7734 boolean defaultOnly, int userId) { 7735 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7736 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7737 } 7738 7739 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7740 int userId) { 7741 if (!sUserManager.exists(userId)) 7742 return null; 7743 mFlags = flags; 7744 return super.queryIntent(intent, resolvedType, 7745 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7746 } 7747 7748 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7749 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7750 if (!sUserManager.exists(userId)) 7751 return null; 7752 if (packageProviders == null) { 7753 return null; 7754 } 7755 mFlags = flags; 7756 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7757 final int N = packageProviders.size(); 7758 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7759 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7760 7761 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7762 for (int i = 0; i < N; ++i) { 7763 intentFilters = packageProviders.get(i).intents; 7764 if (intentFilters != null && intentFilters.size() > 0) { 7765 PackageParser.ProviderIntentInfo[] array = 7766 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7767 intentFilters.toArray(array); 7768 listCut.add(array); 7769 } 7770 } 7771 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7772 } 7773 7774 public final void addProvider(PackageParser.Provider p) { 7775 if (mProviders.containsKey(p.getComponentName())) { 7776 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7777 return; 7778 } 7779 7780 mProviders.put(p.getComponentName(), p); 7781 if (DEBUG_SHOW_INFO) { 7782 Log.v(TAG, " " 7783 + (p.info.nonLocalizedLabel != null 7784 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7785 Log.v(TAG, " Class=" + p.info.name); 7786 } 7787 final int NI = p.intents.size(); 7788 int j; 7789 for (j = 0; j < NI; j++) { 7790 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7791 if (DEBUG_SHOW_INFO) { 7792 Log.v(TAG, " IntentFilter:"); 7793 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7794 } 7795 if (!intent.debugCheck()) { 7796 Log.w(TAG, "==> For Provider " + p.info.name); 7797 } 7798 addFilter(intent); 7799 } 7800 } 7801 7802 public final void removeProvider(PackageParser.Provider p) { 7803 mProviders.remove(p.getComponentName()); 7804 if (DEBUG_SHOW_INFO) { 7805 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7806 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7807 Log.v(TAG, " Class=" + p.info.name); 7808 } 7809 final int NI = p.intents.size(); 7810 int j; 7811 for (j = 0; j < NI; j++) { 7812 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7813 if (DEBUG_SHOW_INFO) { 7814 Log.v(TAG, " IntentFilter:"); 7815 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7816 } 7817 removeFilter(intent); 7818 } 7819 } 7820 7821 @Override 7822 protected boolean allowFilterResult( 7823 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7824 ProviderInfo filterPi = filter.provider.info; 7825 for (int i = dest.size() - 1; i >= 0; i--) { 7826 ProviderInfo destPi = dest.get(i).providerInfo; 7827 if (destPi.name == filterPi.name 7828 && destPi.packageName == filterPi.packageName) { 7829 return false; 7830 } 7831 } 7832 return true; 7833 } 7834 7835 @Override 7836 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7837 return new PackageParser.ProviderIntentInfo[size]; 7838 } 7839 7840 @Override 7841 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7842 if (!sUserManager.exists(userId)) 7843 return true; 7844 PackageParser.Package p = filter.provider.owner; 7845 if (p != null) { 7846 PackageSetting ps = (PackageSetting) p.mExtras; 7847 if (ps != null) { 7848 // System apps are never considered stopped for purposes of 7849 // filtering, because there may be no way for the user to 7850 // actually re-launch them. 7851 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7852 && ps.getStopped(userId); 7853 } 7854 } 7855 return false; 7856 } 7857 7858 @Override 7859 protected boolean isPackageForFilter(String packageName, 7860 PackageParser.ProviderIntentInfo info) { 7861 return packageName.equals(info.provider.owner.packageName); 7862 } 7863 7864 @Override 7865 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7866 int match, int userId) { 7867 if (!sUserManager.exists(userId)) 7868 return null; 7869 final PackageParser.ProviderIntentInfo info = filter; 7870 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7871 return null; 7872 } 7873 final PackageParser.Provider provider = info.provider; 7874 if (mSafeMode && (provider.info.applicationInfo.flags 7875 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7876 return null; 7877 } 7878 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7879 if (ps == null) { 7880 return null; 7881 } 7882 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7883 ps.readUserState(userId), userId); 7884 if (pi == null) { 7885 return null; 7886 } 7887 final ResolveInfo res = new ResolveInfo(); 7888 res.providerInfo = pi; 7889 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7890 res.filter = filter; 7891 } 7892 res.priority = info.getPriority(); 7893 res.preferredOrder = provider.owner.mPreferredOrder; 7894 res.match = match; 7895 res.isDefault = info.hasDefault; 7896 res.labelRes = info.labelRes; 7897 res.nonLocalizedLabel = info.nonLocalizedLabel; 7898 res.icon = info.icon; 7899 res.system = isSystemApp(res.providerInfo.applicationInfo); 7900 return res; 7901 } 7902 7903 @Override 7904 protected void sortResults(List<ResolveInfo> results) { 7905 Collections.sort(results, mResolvePrioritySorter); 7906 } 7907 7908 @Override 7909 protected void dumpFilter(PrintWriter out, String prefix, 7910 PackageParser.ProviderIntentInfo filter) { 7911 out.print(prefix); 7912 out.print( 7913 Integer.toHexString(System.identityHashCode(filter.provider))); 7914 out.print(' '); 7915 filter.provider.printComponentShortName(out); 7916 out.print(" filter "); 7917 out.println(Integer.toHexString(System.identityHashCode(filter))); 7918 } 7919 7920 @Override 7921 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7922 return filter.provider; 7923 } 7924 7925 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7926 PackageParser.Provider provider = (PackageParser.Provider)label; 7927 out.print(prefix); out.print( 7928 Integer.toHexString(System.identityHashCode(provider))); 7929 out.print(' '); 7930 provider.printComponentShortName(out); 7931 if (count > 1) { 7932 out.print(" ("); out.print(count); out.print(" filters)"); 7933 } 7934 out.println(); 7935 } 7936 7937 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7938 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7939 private int mFlags; 7940 }; 7941 7942 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7943 new Comparator<ResolveInfo>() { 7944 public int compare(ResolveInfo r1, ResolveInfo r2) { 7945 int v1 = r1.priority; 7946 int v2 = r2.priority; 7947 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7948 if (v1 != v2) { 7949 return (v1 > v2) ? -1 : 1; 7950 } 7951 v1 = r1.preferredOrder; 7952 v2 = r2.preferredOrder; 7953 if (v1 != v2) { 7954 return (v1 > v2) ? -1 : 1; 7955 } 7956 if (r1.isDefault != r2.isDefault) { 7957 return r1.isDefault ? -1 : 1; 7958 } 7959 v1 = r1.match; 7960 v2 = r2.match; 7961 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7962 if (v1 != v2) { 7963 return (v1 > v2) ? -1 : 1; 7964 } 7965 if (r1.system != r2.system) { 7966 return r1.system ? -1 : 1; 7967 } 7968 return 0; 7969 } 7970 }; 7971 7972 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7973 new Comparator<ProviderInfo>() { 7974 public int compare(ProviderInfo p1, ProviderInfo p2) { 7975 final int v1 = p1.initOrder; 7976 final int v2 = p2.initOrder; 7977 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7978 } 7979 }; 7980 7981 static final void sendPackageBroadcast(String action, String pkg, 7982 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7983 int[] userIds) { 7984 IActivityManager am = ActivityManagerNative.getDefault(); 7985 if (am != null) { 7986 try { 7987 if (userIds == null) { 7988 userIds = am.getRunningUserIds(); 7989 } 7990 for (int id : userIds) { 7991 final Intent intent = new Intent(action, 7992 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7993 if (extras != null) { 7994 intent.putExtras(extras); 7995 } 7996 if (targetPkg != null) { 7997 intent.setPackage(targetPkg); 7998 } 7999 // Modify the UID when posting to other users 8000 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 8001 if (uid > 0 && UserHandle.getUserId(uid) != id) { 8002 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 8003 intent.putExtra(Intent.EXTRA_UID, uid); 8004 } 8005 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 8006 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 8007 if (DEBUG_BROADCASTS) { 8008 RuntimeException here = new RuntimeException("here"); 8009 here.fillInStackTrace(); 8010 Slog.d(TAG, "Sending to user " + id + ": " 8011 + intent.toShortString(false, true, false, false) 8012 + " " + intent.getExtras(), here); 8013 } 8014 am.broadcastIntent(null, intent, null, finishedReceiver, 8015 0, null, null, null, android.app.AppOpsManager.OP_NONE, 8016 finishedReceiver != null, false, id); 8017 } 8018 } catch (RemoteException ex) { 8019 } 8020 } 8021 } 8022 8023 /** 8024 * Check if the external storage media is available. This is true if there 8025 * is a mounted external storage medium or if the external storage is 8026 * emulated. 8027 */ 8028 private boolean isExternalMediaAvailable() { 8029 return mMediaMounted || Environment.isExternalStorageEmulated(); 8030 } 8031 8032 @Override 8033 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 8034 // writer 8035 synchronized (mPackages) { 8036 if (!isExternalMediaAvailable()) { 8037 // If the external storage is no longer mounted at this point, 8038 // the caller may not have been able to delete all of this 8039 // packages files and can not delete any more. Bail. 8040 return null; 8041 } 8042 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 8043 if (lastPackage != null) { 8044 pkgs.remove(lastPackage); 8045 } 8046 if (pkgs.size() > 0) { 8047 return pkgs.get(0); 8048 } 8049 } 8050 return null; 8051 } 8052 8053 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 8054 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 8055 userId, andCode ? 1 : 0, packageName); 8056 if (mSystemReady) { 8057 msg.sendToTarget(); 8058 } else { 8059 if (mPostSystemReadyMessages == null) { 8060 mPostSystemReadyMessages = new ArrayList<>(); 8061 } 8062 mPostSystemReadyMessages.add(msg); 8063 } 8064 } 8065 8066 void startCleaningPackages() { 8067 // reader 8068 synchronized (mPackages) { 8069 if (!isExternalMediaAvailable()) { 8070 return; 8071 } 8072 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 8073 return; 8074 } 8075 } 8076 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 8077 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 8078 IActivityManager am = ActivityManagerNative.getDefault(); 8079 if (am != null) { 8080 try { 8081 am.startService(null, intent, null, UserHandle.USER_OWNER); 8082 } catch (RemoteException e) { 8083 } 8084 } 8085 } 8086 8087 @Override 8088 public void installPackage(String originPath, IPackageInstallObserver2 observer, 8089 int installFlags, String installerPackageName, VerificationParams verificationParams, 8090 String packageAbiOverride) { 8091 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 8092 packageAbiOverride, UserHandle.getCallingUserId()); 8093 } 8094 8095 @Override 8096 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 8097 int installFlags, String installerPackageName, VerificationParams verificationParams, 8098 String packageAbiOverride, int userId) { 8099 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 8100 8101 final int callingUid = Binder.getCallingUid(); 8102 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 8103 8104 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8105 try { 8106 if (observer != null) { 8107 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 8108 } 8109 } catch (RemoteException re) { 8110 } 8111 return; 8112 } 8113 8114 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 8115 installFlags |= PackageManager.INSTALL_FROM_ADB; 8116 8117 } else { 8118 // Caller holds INSTALL_PACKAGES permission, so we're less strict 8119 // about installerPackageName. 8120 8121 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 8122 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 8123 } 8124 8125 UserHandle user; 8126 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 8127 user = UserHandle.ALL; 8128 } else { 8129 user = new UserHandle(userId); 8130 } 8131 8132 verificationParams.setInstallerUid(callingUid); 8133 8134 final File originFile = new File(originPath); 8135 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 8136 8137 final Message msg = mHandler.obtainMessage(INIT_COPY); 8138 msg.obj = new InstallParams(origin, observer, installFlags, 8139 installerPackageName, verificationParams, user, packageAbiOverride); 8140 mHandler.sendMessage(msg); 8141 } 8142 8143 void installStage(String packageName, File stagedDir, String stagedCid, 8144 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 8145 String installerPackageName, int installerUid, UserHandle user) { 8146 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 8147 params.referrerUri, installerUid, null); 8148 8149 final OriginInfo origin; 8150 if (stagedDir != null) { 8151 origin = OriginInfo.fromStagedFile(stagedDir); 8152 } else { 8153 origin = OriginInfo.fromStagedContainer(stagedCid); 8154 } 8155 8156 final Message msg = mHandler.obtainMessage(INIT_COPY); 8157 msg.obj = new InstallParams(origin, observer, params.installFlags, 8158 installerPackageName, verifParams, user, params.abiOverride); 8159 mHandler.sendMessage(msg); 8160 } 8161 8162 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 8163 Bundle extras = new Bundle(1); 8164 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 8165 8166 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 8167 packageName, extras, null, null, new int[] {userId}); 8168 try { 8169 IActivityManager am = ActivityManagerNative.getDefault(); 8170 final boolean isSystem = 8171 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 8172 if (isSystem && am.isUserRunning(userId, false)) { 8173 // The just-installed/enabled app is bundled on the system, so presumed 8174 // to be able to run automatically without needing an explicit launch. 8175 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 8176 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 8177 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 8178 .setPackage(packageName); 8179 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 8180 android.app.AppOpsManager.OP_NONE, false, false, userId); 8181 } 8182 } catch (RemoteException e) { 8183 // shouldn't happen 8184 Slog.w(TAG, "Unable to bootstrap installed package", e); 8185 } 8186 } 8187 8188 @Override 8189 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 8190 int userId) { 8191 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8192 PackageSetting pkgSetting; 8193 final int uid = Binder.getCallingUid(); 8194 enforceCrossUserPermission(uid, userId, true, true, 8195 "setApplicationHiddenSetting for user " + userId); 8196 8197 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8198 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8199 return false; 8200 } 8201 8202 long callingId = Binder.clearCallingIdentity(); 8203 try { 8204 boolean sendAdded = false; 8205 boolean sendRemoved = false; 8206 // writer 8207 synchronized (mPackages) { 8208 pkgSetting = mSettings.mPackages.get(packageName); 8209 if (pkgSetting == null) { 8210 return false; 8211 } 8212 if (pkgSetting.getHidden(userId) != hidden) { 8213 pkgSetting.setHidden(hidden, userId); 8214 mSettings.writePackageRestrictionsLPr(userId); 8215 if (hidden) { 8216 sendRemoved = true; 8217 } else { 8218 sendAdded = true; 8219 } 8220 } 8221 } 8222 if (sendAdded) { 8223 sendPackageAddedForUser(packageName, pkgSetting, userId); 8224 return true; 8225 } 8226 if (sendRemoved) { 8227 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8228 "hiding pkg"); 8229 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8230 } 8231 } finally { 8232 Binder.restoreCallingIdentity(callingId); 8233 } 8234 return false; 8235 } 8236 8237 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8238 int userId) { 8239 final PackageRemovedInfo info = new PackageRemovedInfo(); 8240 info.removedPackage = packageName; 8241 info.removedUsers = new int[] {userId}; 8242 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8243 info.sendBroadcast(false, false, false); 8244 } 8245 8246 /** 8247 * Returns true if application is not found or there was an error. Otherwise it returns 8248 * the hidden state of the package for the given user. 8249 */ 8250 @Override 8251 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8252 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8253 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8254 false, "getApplicationHidden for user " + userId); 8255 PackageSetting pkgSetting; 8256 long callingId = Binder.clearCallingIdentity(); 8257 try { 8258 // writer 8259 synchronized (mPackages) { 8260 pkgSetting = mSettings.mPackages.get(packageName); 8261 if (pkgSetting == null) { 8262 return true; 8263 } 8264 return pkgSetting.getHidden(userId); 8265 } 8266 } finally { 8267 Binder.restoreCallingIdentity(callingId); 8268 } 8269 } 8270 8271 /** 8272 * @hide 8273 */ 8274 @Override 8275 public int installExistingPackageAsUser(String packageName, int userId) { 8276 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8277 null); 8278 PackageSetting pkgSetting; 8279 final int uid = Binder.getCallingUid(); 8280 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8281 + userId); 8282 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8283 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8284 } 8285 8286 long callingId = Binder.clearCallingIdentity(); 8287 try { 8288 boolean sendAdded = false; 8289 Bundle extras = new Bundle(1); 8290 8291 // writer 8292 synchronized (mPackages) { 8293 pkgSetting = mSettings.mPackages.get(packageName); 8294 if (pkgSetting == null) { 8295 return PackageManager.INSTALL_FAILED_INVALID_URI; 8296 } 8297 if (!pkgSetting.getInstalled(userId)) { 8298 pkgSetting.setInstalled(true, userId); 8299 pkgSetting.setHidden(false, userId); 8300 mSettings.writePackageRestrictionsLPr(userId); 8301 sendAdded = true; 8302 } 8303 } 8304 8305 if (sendAdded) { 8306 sendPackageAddedForUser(packageName, pkgSetting, userId); 8307 } 8308 } finally { 8309 Binder.restoreCallingIdentity(callingId); 8310 } 8311 8312 return PackageManager.INSTALL_SUCCEEDED; 8313 } 8314 8315 boolean isUserRestricted(int userId, String restrictionKey) { 8316 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8317 if (restrictions.getBoolean(restrictionKey, false)) { 8318 Log.w(TAG, "User is restricted: " + restrictionKey); 8319 return true; 8320 } 8321 return false; 8322 } 8323 8324 @Override 8325 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8326 mContext.enforceCallingOrSelfPermission( 8327 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8328 "Only package verification agents can verify applications"); 8329 8330 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8331 final PackageVerificationResponse response = new PackageVerificationResponse( 8332 verificationCode, Binder.getCallingUid()); 8333 msg.arg1 = id; 8334 msg.obj = response; 8335 mHandler.sendMessage(msg); 8336 } 8337 8338 @Override 8339 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8340 long millisecondsToDelay) { 8341 mContext.enforceCallingOrSelfPermission( 8342 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8343 "Only package verification agents can extend verification timeouts"); 8344 8345 final PackageVerificationState state = mPendingVerification.get(id); 8346 final PackageVerificationResponse response = new PackageVerificationResponse( 8347 verificationCodeAtTimeout, Binder.getCallingUid()); 8348 8349 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8350 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8351 } 8352 if (millisecondsToDelay < 0) { 8353 millisecondsToDelay = 0; 8354 } 8355 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8356 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8357 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8358 } 8359 8360 if ((state != null) && !state.timeoutExtended()) { 8361 state.extendTimeout(); 8362 8363 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8364 msg.arg1 = id; 8365 msg.obj = response; 8366 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8367 } 8368 } 8369 8370 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8371 int verificationCode, UserHandle user) { 8372 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8373 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8374 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8375 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8376 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8377 8378 mContext.sendBroadcastAsUser(intent, user, 8379 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8380 } 8381 8382 private ComponentName matchComponentForVerifier(String packageName, 8383 List<ResolveInfo> receivers) { 8384 ActivityInfo targetReceiver = null; 8385 8386 final int NR = receivers.size(); 8387 for (int i = 0; i < NR; i++) { 8388 final ResolveInfo info = receivers.get(i); 8389 if (info.activityInfo == null) { 8390 continue; 8391 } 8392 8393 if (packageName.equals(info.activityInfo.packageName)) { 8394 targetReceiver = info.activityInfo; 8395 break; 8396 } 8397 } 8398 8399 if (targetReceiver == null) { 8400 return null; 8401 } 8402 8403 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8404 } 8405 8406 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8407 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8408 if (pkgInfo.verifiers.length == 0) { 8409 return null; 8410 } 8411 8412 final int N = pkgInfo.verifiers.length; 8413 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8414 for (int i = 0; i < N; i++) { 8415 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8416 8417 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8418 receivers); 8419 if (comp == null) { 8420 continue; 8421 } 8422 8423 final int verifierUid = getUidForVerifier(verifierInfo); 8424 if (verifierUid == -1) { 8425 continue; 8426 } 8427 8428 if (DEBUG_VERIFY) { 8429 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8430 + " with the correct signature"); 8431 } 8432 sufficientVerifiers.add(comp); 8433 verificationState.addSufficientVerifier(verifierUid); 8434 } 8435 8436 return sufficientVerifiers; 8437 } 8438 8439 private int getUidForVerifier(VerifierInfo verifierInfo) { 8440 synchronized (mPackages) { 8441 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8442 if (pkg == null) { 8443 return -1; 8444 } else if (pkg.mSignatures.length != 1) { 8445 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8446 + " has more than one signature; ignoring"); 8447 return -1; 8448 } 8449 8450 /* 8451 * If the public key of the package's signature does not match 8452 * our expected public key, then this is a different package and 8453 * we should skip. 8454 */ 8455 8456 final byte[] expectedPublicKey; 8457 try { 8458 final Signature verifierSig = pkg.mSignatures[0]; 8459 final PublicKey publicKey = verifierSig.getPublicKey(); 8460 expectedPublicKey = publicKey.getEncoded(); 8461 } catch (CertificateException e) { 8462 return -1; 8463 } 8464 8465 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8466 8467 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8468 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8469 + " does not have the expected public key; ignoring"); 8470 return -1; 8471 } 8472 8473 return pkg.applicationInfo.uid; 8474 } 8475 } 8476 8477 @Override 8478 public void finishPackageInstall(int token) { 8479 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8480 8481 if (DEBUG_INSTALL) { 8482 Slog.v(TAG, "BM finishing package install for " + token); 8483 } 8484 8485 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8486 mHandler.sendMessage(msg); 8487 } 8488 8489 /** 8490 * Get the verification agent timeout. 8491 * 8492 * @return verification timeout in milliseconds 8493 */ 8494 private long getVerificationTimeout() { 8495 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8496 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8497 DEFAULT_VERIFICATION_TIMEOUT); 8498 } 8499 8500 /** 8501 * Get the default verification agent response code. 8502 * 8503 * @return default verification response code 8504 */ 8505 private int getDefaultVerificationResponse() { 8506 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8507 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8508 DEFAULT_VERIFICATION_RESPONSE); 8509 } 8510 8511 /** 8512 * Check whether or not package verification has been enabled. 8513 * 8514 * @return true if verification should be performed 8515 */ 8516 private boolean isVerificationEnabled(int userId, int installFlags) { 8517 if (!DEFAULT_VERIFY_ENABLE) { 8518 return false; 8519 } 8520 8521 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8522 8523 // Check if installing from ADB 8524 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8525 // Do not run verification in a test harness environment 8526 if (ActivityManager.isRunningInTestHarness()) { 8527 return false; 8528 } 8529 if (ensureVerifyAppsEnabled) { 8530 return true; 8531 } 8532 // Check if the developer does not want package verification for ADB installs 8533 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8534 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8535 return false; 8536 } 8537 } 8538 8539 if (ensureVerifyAppsEnabled) { 8540 return true; 8541 } 8542 8543 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8544 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8545 } 8546 8547 /** 8548 * Get the "allow unknown sources" setting. 8549 * 8550 * @return the current "allow unknown sources" setting 8551 */ 8552 private int getUnknownSourcesSettings() { 8553 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8554 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8555 -1); 8556 } 8557 8558 @Override 8559 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8560 final int uid = Binder.getCallingUid(); 8561 // writer 8562 synchronized (mPackages) { 8563 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8564 if (targetPackageSetting == null) { 8565 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8566 } 8567 8568 PackageSetting installerPackageSetting; 8569 if (installerPackageName != null) { 8570 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8571 if (installerPackageSetting == null) { 8572 throw new IllegalArgumentException("Unknown installer package: " 8573 + installerPackageName); 8574 } 8575 } else { 8576 installerPackageSetting = null; 8577 } 8578 8579 Signature[] callerSignature; 8580 Object obj = mSettings.getUserIdLPr(uid); 8581 if (obj != null) { 8582 if (obj instanceof SharedUserSetting) { 8583 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8584 } else if (obj instanceof PackageSetting) { 8585 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8586 } else { 8587 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8588 } 8589 } else { 8590 throw new SecurityException("Unknown calling uid " + uid); 8591 } 8592 8593 // Verify: can't set installerPackageName to a package that is 8594 // not signed with the same cert as the caller. 8595 if (installerPackageSetting != null) { 8596 if (compareSignatures(callerSignature, 8597 installerPackageSetting.signatures.mSignatures) 8598 != PackageManager.SIGNATURE_MATCH) { 8599 throw new SecurityException( 8600 "Caller does not have same cert as new installer package " 8601 + installerPackageName); 8602 } 8603 } 8604 8605 // Verify: if target already has an installer package, it must 8606 // be signed with the same cert as the caller. 8607 if (targetPackageSetting.installerPackageName != null) { 8608 PackageSetting setting = mSettings.mPackages.get( 8609 targetPackageSetting.installerPackageName); 8610 // If the currently set package isn't valid, then it's always 8611 // okay to change it. 8612 if (setting != null) { 8613 if (compareSignatures(callerSignature, 8614 setting.signatures.mSignatures) 8615 != PackageManager.SIGNATURE_MATCH) { 8616 throw new SecurityException( 8617 "Caller does not have same cert as old installer package " 8618 + targetPackageSetting.installerPackageName); 8619 } 8620 } 8621 } 8622 8623 // Okay! 8624 targetPackageSetting.installerPackageName = installerPackageName; 8625 scheduleWriteSettingsLocked(); 8626 } 8627 } 8628 8629 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8630 // Queue up an async operation since the package installation may take a little while. 8631 mHandler.post(new Runnable() { 8632 public void run() { 8633 mHandler.removeCallbacks(this); 8634 // Result object to be returned 8635 PackageInstalledInfo res = new PackageInstalledInfo(); 8636 res.returnCode = currentStatus; 8637 res.uid = -1; 8638 res.pkg = null; 8639 res.removedInfo = new PackageRemovedInfo(); 8640 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8641 args.doPreInstall(res.returnCode); 8642 synchronized (mInstallLock) { 8643 installPackageLI(args, res); 8644 } 8645 args.doPostInstall(res.returnCode, res.uid); 8646 } 8647 8648 // A restore should be performed at this point if (a) the install 8649 // succeeded, (b) the operation is not an update, and (c) the new 8650 // package has not opted out of backup participation. 8651 final boolean update = res.removedInfo.removedPackage != null; 8652 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8653 boolean doRestore = !update 8654 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8655 8656 // Set up the post-install work request bookkeeping. This will be used 8657 // and cleaned up by the post-install event handling regardless of whether 8658 // there's a restore pass performed. Token values are >= 1. 8659 int token; 8660 if (mNextInstallToken < 0) mNextInstallToken = 1; 8661 token = mNextInstallToken++; 8662 8663 PostInstallData data = new PostInstallData(args, res); 8664 mRunningInstalls.put(token, data); 8665 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8666 8667 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8668 // Pass responsibility to the Backup Manager. It will perform a 8669 // restore if appropriate, then pass responsibility back to the 8670 // Package Manager to run the post-install observer callbacks 8671 // and broadcasts. 8672 IBackupManager bm = IBackupManager.Stub.asInterface( 8673 ServiceManager.getService(Context.BACKUP_SERVICE)); 8674 if (bm != null) { 8675 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8676 + " to BM for possible restore"); 8677 try { 8678 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 8679 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8680 } else { 8681 doRestore = false; 8682 } 8683 } catch (RemoteException e) { 8684 // can't happen; the backup manager is local 8685 } catch (Exception e) { 8686 Slog.e(TAG, "Exception trying to enqueue restore", e); 8687 doRestore = false; 8688 } 8689 } else { 8690 Slog.e(TAG, "Backup Manager not found!"); 8691 doRestore = false; 8692 } 8693 } 8694 8695 if (!doRestore) { 8696 // No restore possible, or the Backup Manager was mysteriously not 8697 // available -- just fire the post-install work request directly. 8698 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8699 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8700 mHandler.sendMessage(msg); 8701 } 8702 } 8703 }); 8704 } 8705 8706 private abstract class HandlerParams { 8707 private static final int MAX_RETRIES = 4; 8708 8709 /** 8710 * Number of times startCopy() has been attempted and had a non-fatal 8711 * error. 8712 */ 8713 private int mRetries = 0; 8714 8715 /** User handle for the user requesting the information or installation. */ 8716 private final UserHandle mUser; 8717 8718 HandlerParams(UserHandle user) { 8719 mUser = user; 8720 } 8721 8722 UserHandle getUser() { 8723 return mUser; 8724 } 8725 8726 final boolean startCopy() { 8727 boolean res; 8728 try { 8729 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8730 8731 if (++mRetries > MAX_RETRIES) { 8732 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8733 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8734 handleServiceError(); 8735 return false; 8736 } else { 8737 handleStartCopy(); 8738 res = true; 8739 } 8740 } catch (RemoteException e) { 8741 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8742 mHandler.sendEmptyMessage(MCS_RECONNECT); 8743 res = false; 8744 } 8745 handleReturnCode(); 8746 return res; 8747 } 8748 8749 final void serviceError() { 8750 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8751 handleServiceError(); 8752 handleReturnCode(); 8753 } 8754 8755 abstract void handleStartCopy() throws RemoteException; 8756 abstract void handleServiceError(); 8757 abstract void handleReturnCode(); 8758 } 8759 8760 class MeasureParams extends HandlerParams { 8761 private final PackageStats mStats; 8762 private boolean mSuccess; 8763 8764 private final IPackageStatsObserver mObserver; 8765 8766 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8767 super(new UserHandle(stats.userHandle)); 8768 mObserver = observer; 8769 mStats = stats; 8770 } 8771 8772 @Override 8773 public String toString() { 8774 return "MeasureParams{" 8775 + Integer.toHexString(System.identityHashCode(this)) 8776 + " " + mStats.packageName + "}"; 8777 } 8778 8779 @Override 8780 void handleStartCopy() throws RemoteException { 8781 synchronized (mInstallLock) { 8782 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8783 } 8784 8785 if (mSuccess) { 8786 final boolean mounted; 8787 if (Environment.isExternalStorageEmulated()) { 8788 mounted = true; 8789 } else { 8790 final String status = Environment.getExternalStorageState(); 8791 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8792 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8793 } 8794 8795 if (mounted) { 8796 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8797 8798 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8799 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8800 8801 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8802 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8803 8804 // Always subtract cache size, since it's a subdirectory 8805 mStats.externalDataSize -= mStats.externalCacheSize; 8806 8807 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8808 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8809 8810 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8811 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8812 } 8813 } 8814 } 8815 8816 @Override 8817 void handleReturnCode() { 8818 if (mObserver != null) { 8819 try { 8820 mObserver.onGetStatsCompleted(mStats, mSuccess); 8821 } catch (RemoteException e) { 8822 Slog.i(TAG, "Observer no longer exists."); 8823 } 8824 } 8825 } 8826 8827 @Override 8828 void handleServiceError() { 8829 Slog.e(TAG, "Could not measure application " + mStats.packageName 8830 + " external storage"); 8831 } 8832 } 8833 8834 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8835 throws RemoteException { 8836 long result = 0; 8837 for (File path : paths) { 8838 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8839 } 8840 return result; 8841 } 8842 8843 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8844 for (File path : paths) { 8845 try { 8846 mcs.clearDirectory(path.getAbsolutePath()); 8847 } catch (RemoteException e) { 8848 } 8849 } 8850 } 8851 8852 static class OriginInfo { 8853 /** 8854 * Location where install is coming from, before it has been 8855 * copied/renamed into place. This could be a single monolithic APK 8856 * file, or a cluster directory. This location may be untrusted. 8857 */ 8858 final File file; 8859 final String cid; 8860 8861 /** 8862 * Flag indicating that {@link #file} or {@link #cid} has already been 8863 * staged, meaning downstream users don't need to defensively copy the 8864 * contents. 8865 */ 8866 final boolean staged; 8867 8868 /** 8869 * Flag indicating that {@link #file} or {@link #cid} is an already 8870 * installed app that is being moved. 8871 */ 8872 final boolean existing; 8873 8874 final String resolvedPath; 8875 final File resolvedFile; 8876 8877 static OriginInfo fromNothing() { 8878 return new OriginInfo(null, null, false, false); 8879 } 8880 8881 static OriginInfo fromUntrustedFile(File file) { 8882 return new OriginInfo(file, null, false, false); 8883 } 8884 8885 static OriginInfo fromExistingFile(File file) { 8886 return new OriginInfo(file, null, false, true); 8887 } 8888 8889 static OriginInfo fromStagedFile(File file) { 8890 return new OriginInfo(file, null, true, false); 8891 } 8892 8893 static OriginInfo fromStagedContainer(String cid) { 8894 return new OriginInfo(null, cid, true, false); 8895 } 8896 8897 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8898 this.file = file; 8899 this.cid = cid; 8900 this.staged = staged; 8901 this.existing = existing; 8902 8903 if (cid != null) { 8904 resolvedPath = PackageHelper.getSdDir(cid); 8905 resolvedFile = new File(resolvedPath); 8906 } else if (file != null) { 8907 resolvedPath = file.getAbsolutePath(); 8908 resolvedFile = file; 8909 } else { 8910 resolvedPath = null; 8911 resolvedFile = null; 8912 } 8913 } 8914 } 8915 8916 class InstallParams extends HandlerParams { 8917 final OriginInfo origin; 8918 final IPackageInstallObserver2 observer; 8919 int installFlags; 8920 final String installerPackageName; 8921 final VerificationParams verificationParams; 8922 private InstallArgs mArgs; 8923 private int mRet; 8924 final String packageAbiOverride; 8925 8926 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8927 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8928 String packageAbiOverride) { 8929 super(user); 8930 this.origin = origin; 8931 this.observer = observer; 8932 this.installFlags = installFlags; 8933 this.installerPackageName = installerPackageName; 8934 this.verificationParams = verificationParams; 8935 this.packageAbiOverride = packageAbiOverride; 8936 } 8937 8938 @Override 8939 public String toString() { 8940 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8941 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8942 } 8943 8944 public ManifestDigest getManifestDigest() { 8945 if (verificationParams == null) { 8946 return null; 8947 } 8948 return verificationParams.getManifestDigest(); 8949 } 8950 8951 private int installLocationPolicy(PackageInfoLite pkgLite) { 8952 String packageName = pkgLite.packageName; 8953 int installLocation = pkgLite.installLocation; 8954 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8955 // reader 8956 synchronized (mPackages) { 8957 PackageParser.Package pkg = mPackages.get(packageName); 8958 if (pkg != null) { 8959 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8960 // Check for downgrading. 8961 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8962 try { 8963 checkDowngrade(pkg, pkgLite); 8964 } catch (PackageManagerException e) { 8965 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8966 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8967 } 8968 } 8969 // Check for updated system application. 8970 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8971 if (onSd) { 8972 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8973 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8974 } 8975 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8976 } else { 8977 if (onSd) { 8978 // Install flag overrides everything. 8979 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8980 } 8981 // If current upgrade specifies particular preference 8982 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8983 // Application explicitly specified internal. 8984 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8985 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8986 // App explictly prefers external. Let policy decide 8987 } else { 8988 // Prefer previous location 8989 if (isExternal(pkg)) { 8990 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8991 } 8992 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8993 } 8994 } 8995 } else { 8996 // Invalid install. Return error code 8997 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8998 } 8999 } 9000 } 9001 // All the special cases have been taken care of. 9002 // Return result based on recommended install location. 9003 if (onSd) { 9004 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 9005 } 9006 return pkgLite.recommendedInstallLocation; 9007 } 9008 9009 /* 9010 * Invoke remote method to get package information and install 9011 * location values. Override install location based on default 9012 * policy if needed and then create install arguments based 9013 * on the install location. 9014 */ 9015 public void handleStartCopy() throws RemoteException { 9016 int ret = PackageManager.INSTALL_SUCCEEDED; 9017 9018 // If we're already staged, we've firmly committed to an install location 9019 if (origin.staged) { 9020 if (origin.file != null) { 9021 installFlags |= PackageManager.INSTALL_INTERNAL; 9022 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9023 } else if (origin.cid != null) { 9024 installFlags |= PackageManager.INSTALL_EXTERNAL; 9025 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9026 } else { 9027 throw new IllegalStateException("Invalid stage location"); 9028 } 9029 } 9030 9031 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9032 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 9033 9034 PackageInfoLite pkgLite = null; 9035 9036 if (onInt && onSd) { 9037 // Check if both bits are set. 9038 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 9039 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9040 } else { 9041 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 9042 packageAbiOverride); 9043 9044 /* 9045 * If we have too little free space, try to free cache 9046 * before giving up. 9047 */ 9048 if (!origin.staged && pkgLite.recommendedInstallLocation 9049 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9050 // TODO: focus freeing disk space on the target device 9051 final StorageManager storage = StorageManager.from(mContext); 9052 final long lowThreshold = storage.getStorageLowBytes( 9053 Environment.getDataDirectory()); 9054 9055 final long sizeBytes = mContainerService.calculateInstalledSize( 9056 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 9057 9058 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 9059 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 9060 installFlags, packageAbiOverride); 9061 } 9062 9063 /* 9064 * The cache free must have deleted the file we 9065 * downloaded to install. 9066 * 9067 * TODO: fix the "freeCache" call to not delete 9068 * the file we care about. 9069 */ 9070 if (pkgLite.recommendedInstallLocation 9071 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9072 pkgLite.recommendedInstallLocation 9073 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 9074 } 9075 } 9076 } 9077 9078 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9079 int loc = pkgLite.recommendedInstallLocation; 9080 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 9081 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9082 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 9083 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9084 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9085 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9086 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 9087 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 9088 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9089 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 9090 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 9091 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 9092 } else { 9093 // Override with defaults if needed. 9094 loc = installLocationPolicy(pkgLite); 9095 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 9096 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 9097 } else if (!onSd && !onInt) { 9098 // Override install location with flags 9099 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 9100 // Set the flag to install on external media. 9101 installFlags |= PackageManager.INSTALL_EXTERNAL; 9102 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9103 } else { 9104 // Make sure the flag for installing on external 9105 // media is unset 9106 installFlags |= PackageManager.INSTALL_INTERNAL; 9107 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9108 } 9109 } 9110 } 9111 } 9112 9113 final InstallArgs args = createInstallArgs(this); 9114 mArgs = args; 9115 9116 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9117 /* 9118 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 9119 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 9120 */ 9121 int userIdentifier = getUser().getIdentifier(); 9122 if (userIdentifier == UserHandle.USER_ALL 9123 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 9124 userIdentifier = UserHandle.USER_OWNER; 9125 } 9126 9127 /* 9128 * Determine if we have any installed package verifiers. If we 9129 * do, then we'll defer to them to verify the packages. 9130 */ 9131 final int requiredUid = mRequiredVerifierPackage == null ? -1 9132 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 9133 if (!origin.existing && requiredUid != -1 9134 && isVerificationEnabled(userIdentifier, installFlags)) { 9135 final Intent verification = new Intent( 9136 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 9137 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9138 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 9139 PACKAGE_MIME_TYPE); 9140 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9141 9142 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 9143 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 9144 0 /* TODO: Which userId? */); 9145 9146 if (DEBUG_VERIFY) { 9147 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 9148 + verification.toString() + " with " + pkgLite.verifiers.length 9149 + " optional verifiers"); 9150 } 9151 9152 final int verificationId = mPendingVerificationToken++; 9153 9154 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9155 9156 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 9157 installerPackageName); 9158 9159 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 9160 installFlags); 9161 9162 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 9163 pkgLite.packageName); 9164 9165 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 9166 pkgLite.versionCode); 9167 9168 if (verificationParams != null) { 9169 if (verificationParams.getVerificationURI() != null) { 9170 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 9171 verificationParams.getVerificationURI()); 9172 } 9173 if (verificationParams.getOriginatingURI() != null) { 9174 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 9175 verificationParams.getOriginatingURI()); 9176 } 9177 if (verificationParams.getReferrer() != null) { 9178 verification.putExtra(Intent.EXTRA_REFERRER, 9179 verificationParams.getReferrer()); 9180 } 9181 if (verificationParams.getOriginatingUid() >= 0) { 9182 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 9183 verificationParams.getOriginatingUid()); 9184 } 9185 if (verificationParams.getInstallerUid() >= 0) { 9186 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 9187 verificationParams.getInstallerUid()); 9188 } 9189 } 9190 9191 final PackageVerificationState verificationState = new PackageVerificationState( 9192 requiredUid, args); 9193 9194 mPendingVerification.append(verificationId, verificationState); 9195 9196 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 9197 receivers, verificationState); 9198 9199 /* 9200 * If any sufficient verifiers were listed in the package 9201 * manifest, attempt to ask them. 9202 */ 9203 if (sufficientVerifiers != null) { 9204 final int N = sufficientVerifiers.size(); 9205 if (N == 0) { 9206 Slog.i(TAG, "Additional verifiers required, but none installed."); 9207 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9208 } else { 9209 for (int i = 0; i < N; i++) { 9210 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9211 9212 final Intent sufficientIntent = new Intent(verification); 9213 sufficientIntent.setComponent(verifierComponent); 9214 9215 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9216 } 9217 } 9218 } 9219 9220 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9221 mRequiredVerifierPackage, receivers); 9222 if (ret == PackageManager.INSTALL_SUCCEEDED 9223 && mRequiredVerifierPackage != null) { 9224 /* 9225 * Send the intent to the required verification agent, 9226 * but only start the verification timeout after the 9227 * target BroadcastReceivers have run. 9228 */ 9229 verification.setComponent(requiredVerifierComponent); 9230 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9231 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9232 new BroadcastReceiver() { 9233 @Override 9234 public void onReceive(Context context, Intent intent) { 9235 final Message msg = mHandler 9236 .obtainMessage(CHECK_PENDING_VERIFICATION); 9237 msg.arg1 = verificationId; 9238 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9239 } 9240 }, null, 0, null, null); 9241 9242 /* 9243 * We don't want the copy to proceed until verification 9244 * succeeds, so null out this field. 9245 */ 9246 mArgs = null; 9247 } 9248 } else { 9249 /* 9250 * No package verification is enabled, so immediately start 9251 * the remote call to initiate copy using temporary file. 9252 */ 9253 ret = args.copyApk(mContainerService, true); 9254 } 9255 } 9256 9257 mRet = ret; 9258 } 9259 9260 @Override 9261 void handleReturnCode() { 9262 // If mArgs is null, then MCS couldn't be reached. When it 9263 // reconnects, it will try again to install. At that point, this 9264 // will succeed. 9265 if (mArgs != null) { 9266 processPendingInstall(mArgs, mRet); 9267 } 9268 } 9269 9270 @Override 9271 void handleServiceError() { 9272 mArgs = createInstallArgs(this); 9273 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9274 } 9275 9276 public boolean isForwardLocked() { 9277 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9278 } 9279 } 9280 9281 /** 9282 * Used during creation of InstallArgs 9283 * 9284 * @param installFlags package installation flags 9285 * @return true if should be installed on external storage 9286 */ 9287 private static boolean installOnSd(int installFlags) { 9288 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9289 return false; 9290 } 9291 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9292 return true; 9293 } 9294 return false; 9295 } 9296 9297 /** 9298 * Used during creation of InstallArgs 9299 * 9300 * @param installFlags package installation flags 9301 * @return true if should be installed as forward locked 9302 */ 9303 private static boolean installForwardLocked(int installFlags) { 9304 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9305 } 9306 9307 private InstallArgs createInstallArgs(InstallParams params) { 9308 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9309 return new AsecInstallArgs(params); 9310 } else { 9311 return new FileInstallArgs(params); 9312 } 9313 } 9314 9315 /** 9316 * Create args that describe an existing installed package. Typically used 9317 * when cleaning up old installs, or used as a move source. 9318 */ 9319 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9320 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9321 final boolean isInAsec; 9322 if (installOnSd(installFlags)) { 9323 /* Apps on SD card are always in ASEC containers. */ 9324 isInAsec = true; 9325 } else if (installForwardLocked(installFlags) 9326 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9327 /* 9328 * Forward-locked apps are only in ASEC containers if they're the 9329 * new style 9330 */ 9331 isInAsec = true; 9332 } else { 9333 isInAsec = false; 9334 } 9335 9336 if (isInAsec) { 9337 return new AsecInstallArgs(codePath, instructionSets, 9338 installOnSd(installFlags), installForwardLocked(installFlags)); 9339 } else { 9340 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9341 instructionSets); 9342 } 9343 } 9344 9345 static abstract class InstallArgs { 9346 /** @see InstallParams#origin */ 9347 final OriginInfo origin; 9348 9349 final IPackageInstallObserver2 observer; 9350 // Always refers to PackageManager flags only 9351 final int installFlags; 9352 final String installerPackageName; 9353 final ManifestDigest manifestDigest; 9354 final UserHandle user; 9355 final String abiOverride; 9356 9357 // The list of instruction sets supported by this app. This is currently 9358 // only used during the rmdex() phase to clean up resources. We can get rid of this 9359 // if we move dex files under the common app path. 9360 /* nullable */ String[] instructionSets; 9361 9362 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9363 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9364 String[] instructionSets, String abiOverride) { 9365 this.origin = origin; 9366 this.installFlags = installFlags; 9367 this.observer = observer; 9368 this.installerPackageName = installerPackageName; 9369 this.manifestDigest = manifestDigest; 9370 this.user = user; 9371 this.instructionSets = instructionSets; 9372 this.abiOverride = abiOverride; 9373 } 9374 9375 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9376 abstract int doPreInstall(int status); 9377 9378 /** 9379 * Rename package into final resting place. All paths on the given 9380 * scanned package should be updated to reflect the rename. 9381 */ 9382 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9383 abstract int doPostInstall(int status, int uid); 9384 9385 /** @see PackageSettingBase#codePathString */ 9386 abstract String getCodePath(); 9387 /** @see PackageSettingBase#resourcePathString */ 9388 abstract String getResourcePath(); 9389 abstract String getLegacyNativeLibraryPath(); 9390 9391 // Need installer lock especially for dex file removal. 9392 abstract void cleanUpResourcesLI(); 9393 abstract boolean doPostDeleteLI(boolean delete); 9394 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9395 9396 /** 9397 * Called before the source arguments are copied. This is used mostly 9398 * for MoveParams when it needs to read the source file to put it in the 9399 * destination. 9400 */ 9401 int doPreCopy() { 9402 return PackageManager.INSTALL_SUCCEEDED; 9403 } 9404 9405 /** 9406 * Called after the source arguments are copied. This is used mostly for 9407 * MoveParams when it needs to read the source file to put it in the 9408 * destination. 9409 * 9410 * @return 9411 */ 9412 int doPostCopy(int uid) { 9413 return PackageManager.INSTALL_SUCCEEDED; 9414 } 9415 9416 protected boolean isFwdLocked() { 9417 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9418 } 9419 9420 protected boolean isExternal() { 9421 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9422 } 9423 9424 UserHandle getUser() { 9425 return user; 9426 } 9427 } 9428 9429 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 9430 if (!allCodePaths.isEmpty()) { 9431 if (instructionSets == null) { 9432 throw new IllegalStateException("instructionSet == null"); 9433 } 9434 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9435 for (String codePath : allCodePaths) { 9436 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9437 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9438 if (retCode < 0) { 9439 Slog.w(TAG, "Couldn't remove dex file for package: " 9440 + " at location " + codePath + ", retcode=" + retCode); 9441 // we don't consider this to be a failure of the core package deletion 9442 } 9443 } 9444 } 9445 } 9446 } 9447 9448 /** 9449 * Logic to handle installation of non-ASEC applications, including copying 9450 * and renaming logic. 9451 */ 9452 class FileInstallArgs extends InstallArgs { 9453 private File codeFile; 9454 private File resourceFile; 9455 private File legacyNativeLibraryPath; 9456 9457 // Example topology: 9458 // /data/app/com.example/base.apk 9459 // /data/app/com.example/split_foo.apk 9460 // /data/app/com.example/lib/arm/libfoo.so 9461 // /data/app/com.example/lib/arm64/libfoo.so 9462 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9463 9464 /** New install */ 9465 FileInstallArgs(InstallParams params) { 9466 super(params.origin, params.observer, params.installFlags, 9467 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9468 null /* instruction sets */, params.packageAbiOverride); 9469 if (isFwdLocked()) { 9470 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9471 } 9472 } 9473 9474 /** Existing install */ 9475 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9476 String[] instructionSets) { 9477 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9478 this.codeFile = (codePath != null) ? new File(codePath) : null; 9479 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9480 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9481 new File(legacyNativeLibraryPath) : null; 9482 } 9483 9484 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9485 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9486 isFwdLocked(), abiOverride); 9487 9488 final StorageManager storage = StorageManager.from(mContext); 9489 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9490 } 9491 9492 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9493 if (origin.staged) { 9494 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9495 codeFile = origin.file; 9496 resourceFile = origin.file; 9497 return PackageManager.INSTALL_SUCCEEDED; 9498 } 9499 9500 try { 9501 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9502 codeFile = tempDir; 9503 resourceFile = tempDir; 9504 } catch (IOException e) { 9505 Slog.w(TAG, "Failed to create copy file: " + e); 9506 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9507 } 9508 9509 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9510 @Override 9511 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9512 if (!FileUtils.isValidExtFilename(name)) { 9513 throw new IllegalArgumentException("Invalid filename: " + name); 9514 } 9515 try { 9516 final File file = new File(codeFile, name); 9517 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9518 O_RDWR | O_CREAT, 0644); 9519 Os.chmod(file.getAbsolutePath(), 0644); 9520 return new ParcelFileDescriptor(fd); 9521 } catch (ErrnoException e) { 9522 throw new RemoteException("Failed to open: " + e.getMessage()); 9523 } 9524 } 9525 }; 9526 9527 int ret = PackageManager.INSTALL_SUCCEEDED; 9528 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9529 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9530 Slog.e(TAG, "Failed to copy package"); 9531 return ret; 9532 } 9533 9534 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9535 NativeLibraryHelper.Handle handle = null; 9536 try { 9537 handle = NativeLibraryHelper.Handle.create(codeFile); 9538 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9539 abiOverride); 9540 } catch (IOException e) { 9541 Slog.e(TAG, "Copying native libraries failed", e); 9542 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9543 } finally { 9544 IoUtils.closeQuietly(handle); 9545 } 9546 9547 return ret; 9548 } 9549 9550 int doPreInstall(int status) { 9551 if (status != PackageManager.INSTALL_SUCCEEDED) { 9552 cleanUp(); 9553 } 9554 return status; 9555 } 9556 9557 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9558 if (status != PackageManager.INSTALL_SUCCEEDED) { 9559 cleanUp(); 9560 return false; 9561 } else { 9562 final File beforeCodeFile = codeFile; 9563 final File afterCodeFile = getNextCodePath(pkg.packageName); 9564 9565 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9566 try { 9567 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9568 } catch (ErrnoException e) { 9569 Slog.d(TAG, "Failed to rename", e); 9570 return false; 9571 } 9572 9573 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9574 Slog.d(TAG, "Failed to restorecon"); 9575 return false; 9576 } 9577 9578 // Reflect the rename internally 9579 codeFile = afterCodeFile; 9580 resourceFile = afterCodeFile; 9581 9582 // Reflect the rename in scanned details 9583 pkg.codePath = afterCodeFile.getAbsolutePath(); 9584 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9585 pkg.baseCodePath); 9586 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9587 pkg.splitCodePaths); 9588 9589 // Reflect the rename in app info 9590 pkg.applicationInfo.setCodePath(pkg.codePath); 9591 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9592 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9593 pkg.applicationInfo.setResourcePath(pkg.codePath); 9594 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9595 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9596 9597 return true; 9598 } 9599 } 9600 9601 int doPostInstall(int status, int uid) { 9602 if (status != PackageManager.INSTALL_SUCCEEDED) { 9603 cleanUp(); 9604 } 9605 return status; 9606 } 9607 9608 @Override 9609 String getCodePath() { 9610 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9611 } 9612 9613 @Override 9614 String getResourcePath() { 9615 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9616 } 9617 9618 @Override 9619 String getLegacyNativeLibraryPath() { 9620 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9621 } 9622 9623 private boolean cleanUp() { 9624 if (codeFile == null || !codeFile.exists()) { 9625 return false; 9626 } 9627 9628 if (codeFile.isDirectory()) { 9629 FileUtils.deleteContents(codeFile); 9630 } 9631 codeFile.delete(); 9632 9633 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9634 resourceFile.delete(); 9635 } 9636 9637 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9638 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9639 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9640 } 9641 legacyNativeLibraryPath.delete(); 9642 } 9643 9644 return true; 9645 } 9646 9647 void cleanUpResourcesLI() { 9648 // Try enumerating all code paths before deleting 9649 List<String> allCodePaths = Collections.EMPTY_LIST; 9650 if (codeFile != null && codeFile.exists()) { 9651 try { 9652 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9653 allCodePaths = pkg.getAllCodePaths(); 9654 } catch (PackageParserException e) { 9655 // Ignored; we tried our best 9656 } 9657 } 9658 9659 cleanUp(); 9660 removeDexFiles(allCodePaths, instructionSets); 9661 } 9662 9663 boolean doPostDeleteLI(boolean delete) { 9664 // XXX err, shouldn't we respect the delete flag? 9665 cleanUpResourcesLI(); 9666 return true; 9667 } 9668 } 9669 9670 private boolean isAsecExternal(String cid) { 9671 final String asecPath = PackageHelper.getSdFilesystem(cid); 9672 return !asecPath.startsWith(mAsecInternalPath); 9673 } 9674 9675 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9676 PackageManagerException { 9677 if (copyRet < 0) { 9678 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9679 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9680 throw new PackageManagerException(copyRet, message); 9681 } 9682 } 9683 } 9684 9685 /** 9686 * Extract the MountService "container ID" from the full code path of an 9687 * .apk. 9688 */ 9689 static String cidFromCodePath(String fullCodePath) { 9690 int eidx = fullCodePath.lastIndexOf("/"); 9691 String subStr1 = fullCodePath.substring(0, eidx); 9692 int sidx = subStr1.lastIndexOf("/"); 9693 return subStr1.substring(sidx+1, eidx); 9694 } 9695 9696 /** 9697 * Logic to handle installation of ASEC applications, including copying and 9698 * renaming logic. 9699 */ 9700 class AsecInstallArgs extends InstallArgs { 9701 static final String RES_FILE_NAME = "pkg.apk"; 9702 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9703 9704 String cid; 9705 String packagePath; 9706 String resourcePath; 9707 String legacyNativeLibraryDir; 9708 9709 /** New install */ 9710 AsecInstallArgs(InstallParams params) { 9711 super(params.origin, params.observer, params.installFlags, 9712 params.installerPackageName, params.getManifestDigest(), 9713 params.getUser(), null /* instruction sets */, 9714 params.packageAbiOverride); 9715 } 9716 9717 /** Existing install */ 9718 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9719 boolean isExternal, boolean isForwardLocked) { 9720 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9721 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9722 instructionSets, null); 9723 // Hackily pretend we're still looking at a full code path 9724 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9725 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9726 } 9727 9728 // Extract cid from fullCodePath 9729 int eidx = fullCodePath.lastIndexOf("/"); 9730 String subStr1 = fullCodePath.substring(0, eidx); 9731 int sidx = subStr1.lastIndexOf("/"); 9732 cid = subStr1.substring(sidx+1, eidx); 9733 setMountPath(subStr1); 9734 } 9735 9736 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9737 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9738 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9739 instructionSets, null); 9740 this.cid = cid; 9741 setMountPath(PackageHelper.getSdDir(cid)); 9742 } 9743 9744 void createCopyFile() { 9745 cid = mInstallerService.allocateExternalStageCidLegacy(); 9746 } 9747 9748 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9749 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9750 abiOverride); 9751 9752 final File target; 9753 if (isExternal()) { 9754 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9755 } else { 9756 target = Environment.getDataDirectory(); 9757 } 9758 9759 final StorageManager storage = StorageManager.from(mContext); 9760 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9761 } 9762 9763 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9764 if (origin.staged) { 9765 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9766 cid = origin.cid; 9767 setMountPath(PackageHelper.getSdDir(cid)); 9768 return PackageManager.INSTALL_SUCCEEDED; 9769 } 9770 9771 if (temp) { 9772 createCopyFile(); 9773 } else { 9774 /* 9775 * Pre-emptively destroy the container since it's destroyed if 9776 * copying fails due to it existing anyway. 9777 */ 9778 PackageHelper.destroySdDir(cid); 9779 } 9780 9781 final String newMountPath = imcs.copyPackageToContainer( 9782 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9783 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9784 9785 if (newMountPath != null) { 9786 setMountPath(newMountPath); 9787 return PackageManager.INSTALL_SUCCEEDED; 9788 } else { 9789 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9790 } 9791 } 9792 9793 @Override 9794 String getCodePath() { 9795 return packagePath; 9796 } 9797 9798 @Override 9799 String getResourcePath() { 9800 return resourcePath; 9801 } 9802 9803 @Override 9804 String getLegacyNativeLibraryPath() { 9805 return legacyNativeLibraryDir; 9806 } 9807 9808 int doPreInstall(int status) { 9809 if (status != PackageManager.INSTALL_SUCCEEDED) { 9810 // Destroy container 9811 PackageHelper.destroySdDir(cid); 9812 } else { 9813 boolean mounted = PackageHelper.isContainerMounted(cid); 9814 if (!mounted) { 9815 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9816 Process.SYSTEM_UID); 9817 if (newMountPath != null) { 9818 setMountPath(newMountPath); 9819 } else { 9820 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9821 } 9822 } 9823 } 9824 return status; 9825 } 9826 9827 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9828 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9829 String newMountPath = null; 9830 if (PackageHelper.isContainerMounted(cid)) { 9831 // Unmount the container 9832 if (!PackageHelper.unMountSdDir(cid)) { 9833 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9834 return false; 9835 } 9836 } 9837 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9838 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9839 " which might be stale. Will try to clean up."); 9840 // Clean up the stale container and proceed to recreate. 9841 if (!PackageHelper.destroySdDir(newCacheId)) { 9842 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9843 return false; 9844 } 9845 // Successfully cleaned up stale container. Try to rename again. 9846 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9847 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9848 + " inspite of cleaning it up."); 9849 return false; 9850 } 9851 } 9852 if (!PackageHelper.isContainerMounted(newCacheId)) { 9853 Slog.w(TAG, "Mounting container " + newCacheId); 9854 newMountPath = PackageHelper.mountSdDir(newCacheId, 9855 getEncryptKey(), Process.SYSTEM_UID); 9856 } else { 9857 newMountPath = PackageHelper.getSdDir(newCacheId); 9858 } 9859 if (newMountPath == null) { 9860 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9861 return false; 9862 } 9863 Log.i(TAG, "Succesfully renamed " + cid + 9864 " to " + newCacheId + 9865 " at new path: " + newMountPath); 9866 cid = newCacheId; 9867 9868 final File beforeCodeFile = new File(packagePath); 9869 setMountPath(newMountPath); 9870 final File afterCodeFile = new File(packagePath); 9871 9872 // Reflect the rename in scanned details 9873 pkg.codePath = afterCodeFile.getAbsolutePath(); 9874 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9875 pkg.baseCodePath); 9876 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9877 pkg.splitCodePaths); 9878 9879 // Reflect the rename in app info 9880 pkg.applicationInfo.setCodePath(pkg.codePath); 9881 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9882 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9883 pkg.applicationInfo.setResourcePath(pkg.codePath); 9884 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9885 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9886 9887 return true; 9888 } 9889 9890 private void setMountPath(String mountPath) { 9891 final File mountFile = new File(mountPath); 9892 9893 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9894 if (monolithicFile.exists()) { 9895 packagePath = monolithicFile.getAbsolutePath(); 9896 if (isFwdLocked()) { 9897 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9898 } else { 9899 resourcePath = packagePath; 9900 } 9901 } else { 9902 packagePath = mountFile.getAbsolutePath(); 9903 resourcePath = packagePath; 9904 } 9905 9906 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9907 } 9908 9909 int doPostInstall(int status, int uid) { 9910 if (status != PackageManager.INSTALL_SUCCEEDED) { 9911 cleanUp(); 9912 } else { 9913 final int groupOwner; 9914 final String protectedFile; 9915 if (isFwdLocked()) { 9916 groupOwner = UserHandle.getSharedAppGid(uid); 9917 protectedFile = RES_FILE_NAME; 9918 } else { 9919 groupOwner = -1; 9920 protectedFile = null; 9921 } 9922 9923 if (uid < Process.FIRST_APPLICATION_UID 9924 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9925 Slog.e(TAG, "Failed to finalize " + cid); 9926 PackageHelper.destroySdDir(cid); 9927 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9928 } 9929 9930 boolean mounted = PackageHelper.isContainerMounted(cid); 9931 if (!mounted) { 9932 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9933 } 9934 } 9935 return status; 9936 } 9937 9938 private void cleanUp() { 9939 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9940 9941 // Destroy secure container 9942 PackageHelper.destroySdDir(cid); 9943 } 9944 9945 private List<String> getAllCodePaths() { 9946 final File codeFile = new File(getCodePath()); 9947 if (codeFile != null && codeFile.exists()) { 9948 try { 9949 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9950 return pkg.getAllCodePaths(); 9951 } catch (PackageParserException e) { 9952 // Ignored; we tried our best 9953 } 9954 } 9955 return Collections.EMPTY_LIST; 9956 } 9957 9958 void cleanUpResourcesLI() { 9959 // Enumerate all code paths before deleting 9960 cleanUpResourcesLI(getAllCodePaths()); 9961 } 9962 9963 private void cleanUpResourcesLI(List<String> allCodePaths) { 9964 cleanUp(); 9965 removeDexFiles(allCodePaths, instructionSets); 9966 } 9967 9968 9969 9970 String getPackageName() { 9971 return getAsecPackageName(cid); 9972 } 9973 9974 boolean doPostDeleteLI(boolean delete) { 9975 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9976 final List<String> allCodePaths = getAllCodePaths(); 9977 boolean mounted = PackageHelper.isContainerMounted(cid); 9978 if (mounted) { 9979 // Unmount first 9980 if (PackageHelper.unMountSdDir(cid)) { 9981 mounted = false; 9982 } 9983 } 9984 if (!mounted && delete) { 9985 cleanUpResourcesLI(allCodePaths); 9986 } 9987 return !mounted; 9988 } 9989 9990 @Override 9991 int doPreCopy() { 9992 if (isFwdLocked()) { 9993 if (!PackageHelper.fixSdPermissions(cid, 9994 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9995 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9996 } 9997 } 9998 9999 return PackageManager.INSTALL_SUCCEEDED; 10000 } 10001 10002 @Override 10003 int doPostCopy(int uid) { 10004 if (isFwdLocked()) { 10005 if (uid < Process.FIRST_APPLICATION_UID 10006 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 10007 RES_FILE_NAME)) { 10008 Slog.e(TAG, "Failed to finalize " + cid); 10009 PackageHelper.destroySdDir(cid); 10010 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 10011 } 10012 } 10013 10014 return PackageManager.INSTALL_SUCCEEDED; 10015 } 10016 } 10017 10018 static String getAsecPackageName(String packageCid) { 10019 int idx = packageCid.lastIndexOf("-"); 10020 if (idx == -1) { 10021 return packageCid; 10022 } 10023 return packageCid.substring(0, idx); 10024 } 10025 10026 // Utility method used to create code paths based on package name and available index. 10027 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 10028 String idxStr = ""; 10029 int idx = 1; 10030 // Fall back to default value of idx=1 if prefix is not 10031 // part of oldCodePath 10032 if (oldCodePath != null) { 10033 String subStr = oldCodePath; 10034 // Drop the suffix right away 10035 if (suffix != null && subStr.endsWith(suffix)) { 10036 subStr = subStr.substring(0, subStr.length() - suffix.length()); 10037 } 10038 // If oldCodePath already contains prefix find out the 10039 // ending index to either increment or decrement. 10040 int sidx = subStr.lastIndexOf(prefix); 10041 if (sidx != -1) { 10042 subStr = subStr.substring(sidx + prefix.length()); 10043 if (subStr != null) { 10044 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 10045 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 10046 } 10047 try { 10048 idx = Integer.parseInt(subStr); 10049 if (idx <= 1) { 10050 idx++; 10051 } else { 10052 idx--; 10053 } 10054 } catch(NumberFormatException e) { 10055 } 10056 } 10057 } 10058 } 10059 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 10060 return prefix + idxStr; 10061 } 10062 10063 private File getNextCodePath(String packageName) { 10064 int suffix = 1; 10065 File result; 10066 do { 10067 result = new File(mAppInstallDir, packageName + "-" + suffix); 10068 suffix++; 10069 } while (result.exists()); 10070 return result; 10071 } 10072 10073 // Utility method used to ignore ADD/REMOVE events 10074 // by directory observer. 10075 private static boolean ignoreCodePath(String fullPathStr) { 10076 String apkName = deriveCodePathName(fullPathStr); 10077 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 10078 if (idx != -1 && ((idx+1) < apkName.length())) { 10079 // Make sure the package ends with a numeral 10080 String version = apkName.substring(idx+1); 10081 try { 10082 Integer.parseInt(version); 10083 return true; 10084 } catch (NumberFormatException e) {} 10085 } 10086 return false; 10087 } 10088 10089 // Utility method that returns the relative package path with respect 10090 // to the installation directory. Like say for /data/data/com.test-1.apk 10091 // string com.test-1 is returned. 10092 static String deriveCodePathName(String codePath) { 10093 if (codePath == null) { 10094 return null; 10095 } 10096 final File codeFile = new File(codePath); 10097 final String name = codeFile.getName(); 10098 if (codeFile.isDirectory()) { 10099 return name; 10100 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 10101 final int lastDot = name.lastIndexOf('.'); 10102 return name.substring(0, lastDot); 10103 } else { 10104 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 10105 return null; 10106 } 10107 } 10108 10109 class PackageInstalledInfo { 10110 String name; 10111 int uid; 10112 // The set of users that originally had this package installed. 10113 int[] origUsers; 10114 // The set of users that now have this package installed. 10115 int[] newUsers; 10116 PackageParser.Package pkg; 10117 int returnCode; 10118 String returnMsg; 10119 PackageRemovedInfo removedInfo; 10120 10121 public void setError(int code, String msg) { 10122 returnCode = code; 10123 returnMsg = msg; 10124 Slog.w(TAG, msg); 10125 } 10126 10127 public void setError(String msg, PackageParserException e) { 10128 returnCode = e.error; 10129 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10130 Slog.w(TAG, msg, e); 10131 } 10132 10133 public void setError(String msg, PackageManagerException e) { 10134 returnCode = e.error; 10135 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10136 Slog.w(TAG, msg, e); 10137 } 10138 10139 // In some error cases we want to convey more info back to the observer 10140 String origPackage; 10141 String origPermission; 10142 } 10143 10144 /* 10145 * Install a non-existing package. 10146 */ 10147 private void installNewPackageLI(PackageParser.Package pkg, 10148 int parseFlags, int scanFlags, UserHandle user, 10149 String installerPackageName, PackageInstalledInfo res) { 10150 // Remember this for later, in case we need to rollback this install 10151 String pkgName = pkg.packageName; 10152 10153 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10154 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10155 synchronized(mPackages) { 10156 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10157 // A package with the same name is already installed, though 10158 // it has been renamed to an older name. The package we 10159 // are trying to install should be installed as an update to 10160 // the existing one, but that has not been requested, so bail. 10161 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10162 + " without first uninstalling package running as " 10163 + mSettings.mRenamedPackages.get(pkgName)); 10164 return; 10165 } 10166 if (mPackages.containsKey(pkgName)) { 10167 // Don't allow installation over an existing package with the same name. 10168 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10169 + " without first uninstalling."); 10170 return; 10171 } 10172 } 10173 10174 try { 10175 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 10176 System.currentTimeMillis(), user); 10177 10178 updateSettingsLI(newPackage, installerPackageName, null, null, res, user); 10179 // delete the partially installed application. the data directory will have to be 10180 // restored if it was already existing 10181 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10182 // remove package from internal structures. Note that we want deletePackageX to 10183 // delete the package data and cache directories that it created in 10184 // scanPackageLocked, unless those directories existed before we even tried to 10185 // install. 10186 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10187 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10188 res.removedInfo, true); 10189 } 10190 10191 } catch (PackageManagerException e) { 10192 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10193 } 10194 } 10195 10196 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10197 // Upgrade keysets are being used. Determine if new package has a superset of the 10198 // required keys. 10199 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10200 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10201 for (int i = 0; i < upgradeKeySets.length; i++) { 10202 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10203 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10204 return true; 10205 } 10206 } 10207 return false; 10208 } 10209 10210 private void replacePackageLI(PackageParser.Package pkg, 10211 int parseFlags, int scanFlags, UserHandle user, 10212 String installerPackageName, PackageInstalledInfo res) { 10213 PackageParser.Package oldPackage; 10214 String pkgName = pkg.packageName; 10215 int[] allUsers; 10216 boolean[] perUserInstalled; 10217 10218 // First find the old package info and check signatures 10219 synchronized(mPackages) { 10220 oldPackage = mPackages.get(pkgName); 10221 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10222 PackageSetting ps = mSettings.mPackages.get(pkgName); 10223 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10224 // default to original signature matching 10225 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10226 != PackageManager.SIGNATURE_MATCH) { 10227 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10228 "New package has a different signature: " + pkgName); 10229 return; 10230 } 10231 } else { 10232 if(!checkUpgradeKeySetLP(ps, pkg)) { 10233 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10234 "New package not signed by keys specified by upgrade-keysets: " 10235 + pkgName); 10236 return; 10237 } 10238 } 10239 10240 // In case of rollback, remember per-user/profile install state 10241 allUsers = sUserManager.getUserIds(); 10242 perUserInstalled = new boolean[allUsers.length]; 10243 for (int i = 0; i < allUsers.length; i++) { 10244 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10245 } 10246 } 10247 10248 boolean sysPkg = (isSystemApp(oldPackage)); 10249 if (sysPkg) { 10250 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10251 user, allUsers, perUserInstalled, installerPackageName, res); 10252 } else { 10253 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10254 user, allUsers, perUserInstalled, installerPackageName, res); 10255 } 10256 } 10257 10258 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10259 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10260 int[] allUsers, boolean[] perUserInstalled, 10261 String installerPackageName, PackageInstalledInfo res) { 10262 String pkgName = deletedPackage.packageName; 10263 boolean deletedPkg = true; 10264 boolean updatedSettings = false; 10265 10266 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10267 + deletedPackage); 10268 long origUpdateTime; 10269 if (pkg.mExtras != null) { 10270 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10271 } else { 10272 origUpdateTime = 0; 10273 } 10274 10275 // First delete the existing package while retaining the data directory 10276 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10277 res.removedInfo, true)) { 10278 // If the existing package wasn't successfully deleted 10279 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10280 deletedPkg = false; 10281 } else { 10282 // Successfully deleted the old package; proceed with replace. 10283 10284 // If deleted package lived in a container, give users a chance to 10285 // relinquish resources before killing. 10286 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 10287 if (DEBUG_INSTALL) { 10288 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10289 } 10290 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10291 final ArrayList<String> pkgList = new ArrayList<String>(1); 10292 pkgList.add(deletedPackage.applicationInfo.packageName); 10293 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10294 } 10295 10296 deleteCodeCacheDirsLI(pkgName); 10297 try { 10298 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10299 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10300 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10301 user); 10302 updatedSettings = true; 10303 } catch (PackageManagerException e) { 10304 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10305 } 10306 } 10307 10308 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10309 // remove package from internal structures. Note that we want deletePackageX to 10310 // delete the package data and cache directories that it created in 10311 // scanPackageLocked, unless those directories existed before we even tried to 10312 // install. 10313 if(updatedSettings) { 10314 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10315 deletePackageLI( 10316 pkgName, null, true, allUsers, perUserInstalled, 10317 PackageManager.DELETE_KEEP_DATA, 10318 res.removedInfo, true); 10319 } 10320 // Since we failed to install the new package we need to restore the old 10321 // package that we deleted. 10322 if (deletedPkg) { 10323 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10324 File restoreFile = new File(deletedPackage.codePath); 10325 // Parse old package 10326 boolean oldOnSd = isExternal(deletedPackage); 10327 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10328 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10329 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10330 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10331 try { 10332 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10333 } catch (PackageManagerException e) { 10334 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10335 + e.getMessage()); 10336 return; 10337 } 10338 // Restore of old package succeeded. Update permissions. 10339 // writer 10340 synchronized (mPackages) { 10341 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10342 UPDATE_PERMISSIONS_ALL); 10343 // can downgrade to reader 10344 mSettings.writeLPr(); 10345 } 10346 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10347 } 10348 } 10349 } 10350 10351 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10352 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10353 int[] allUsers, boolean[] perUserInstalled, 10354 String installerPackageName, PackageInstalledInfo res) { 10355 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10356 + ", old=" + deletedPackage); 10357 boolean disabledSystem = false; 10358 boolean updatedSettings = false; 10359 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10360 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 10361 != 0) { 10362 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10363 } 10364 String packageName = deletedPackage.packageName; 10365 if (packageName == null) { 10366 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10367 "Attempt to delete null packageName."); 10368 return; 10369 } 10370 PackageParser.Package oldPkg; 10371 PackageSetting oldPkgSetting; 10372 // reader 10373 synchronized (mPackages) { 10374 oldPkg = mPackages.get(packageName); 10375 oldPkgSetting = mSettings.mPackages.get(packageName); 10376 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10377 (oldPkgSetting == null)) { 10378 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10379 "Couldn't find package:" + packageName + " information"); 10380 return; 10381 } 10382 } 10383 10384 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10385 10386 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10387 res.removedInfo.removedPackage = packageName; 10388 // Remove existing system package 10389 removePackageLI(oldPkgSetting, true); 10390 // writer 10391 synchronized (mPackages) { 10392 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10393 if (!disabledSystem && deletedPackage != null) { 10394 // We didn't need to disable the .apk as a current system package, 10395 // which means we are replacing another update that is already 10396 // installed. We need to make sure to delete the older one's .apk. 10397 res.removedInfo.args = createInstallArgsForExisting(0, 10398 deletedPackage.applicationInfo.getCodePath(), 10399 deletedPackage.applicationInfo.getResourcePath(), 10400 deletedPackage.applicationInfo.nativeLibraryRootDir, 10401 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10402 } else { 10403 res.removedInfo.args = null; 10404 } 10405 } 10406 10407 // Successfully disabled the old package. Now proceed with re-installation 10408 deleteCodeCacheDirsLI(packageName); 10409 10410 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10411 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10412 10413 PackageParser.Package newPackage = null; 10414 try { 10415 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10416 if (newPackage.mExtras != null) { 10417 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10418 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10419 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10420 10421 // is the update attempting to change shared user? that isn't going to work... 10422 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10423 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10424 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10425 + " to " + newPkgSetting.sharedUser); 10426 updatedSettings = true; 10427 } 10428 } 10429 10430 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10431 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res, 10432 user); 10433 updatedSettings = true; 10434 } 10435 10436 } catch (PackageManagerException e) { 10437 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10438 } 10439 10440 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10441 // Re installation failed. Restore old information 10442 // Remove new pkg information 10443 if (newPackage != null) { 10444 removeInstalledPackageLI(newPackage, true); 10445 } 10446 // Add back the old system package 10447 try { 10448 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10449 } catch (PackageManagerException e) { 10450 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10451 } 10452 // Restore the old system information in Settings 10453 synchronized (mPackages) { 10454 if (disabledSystem) { 10455 mSettings.enableSystemPackageLPw(packageName); 10456 } 10457 if (updatedSettings) { 10458 mSettings.setInstallerPackageName(packageName, 10459 oldPkgSetting.installerPackageName); 10460 } 10461 mSettings.writeLPr(); 10462 } 10463 } 10464 } 10465 10466 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10467 int[] allUsers, boolean[] perUserInstalled, 10468 PackageInstalledInfo res, UserHandle user) { 10469 String pkgName = newPackage.packageName; 10470 synchronized (mPackages) { 10471 //write settings. the installStatus will be incomplete at this stage. 10472 //note that the new package setting would have already been 10473 //added to mPackages. It hasn't been persisted yet. 10474 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10475 mSettings.writeLPr(); 10476 } 10477 10478 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10479 10480 synchronized (mPackages) { 10481 updatePermissionsLPw(newPackage.packageName, newPackage, 10482 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10483 ? UPDATE_PERMISSIONS_ALL : 0)); 10484 // For system-bundled packages, we assume that installing an upgraded version 10485 // of the package implies that the user actually wants to run that new code, 10486 // so we enable the package. 10487 PackageSetting ps = mSettings.mPackages.get(pkgName); 10488 if (ps != null) { 10489 if (isSystemApp(newPackage)) { 10490 // NB: implicit assumption that system package upgrades apply to all users 10491 if (DEBUG_INSTALL) { 10492 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10493 } 10494 if (res.origUsers != null) { 10495 for (int userHandle : res.origUsers) { 10496 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10497 userHandle, installerPackageName); 10498 } 10499 } 10500 // Also convey the prior install/uninstall state 10501 if (allUsers != null && perUserInstalled != null) { 10502 for (int i = 0; i < allUsers.length; i++) { 10503 if (DEBUG_INSTALL) { 10504 Slog.d(TAG, " user " + allUsers[i] 10505 + " => " + perUserInstalled[i]); 10506 } 10507 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10508 } 10509 // these install state changes will be persisted in the 10510 // upcoming call to mSettings.writeLPr(). 10511 } 10512 } 10513 // It's implied that when a user requests installation, they want the app to be 10514 // installed and enabled. 10515 int userId = user.getIdentifier(); 10516 if (userId != UserHandle.USER_ALL) { 10517 ps.setInstalled(true, userId); 10518 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 10519 } 10520 } 10521 res.name = pkgName; 10522 res.uid = newPackage.applicationInfo.uid; 10523 res.pkg = newPackage; 10524 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10525 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10526 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10527 //to update install status 10528 mSettings.writeLPr(); 10529 } 10530 } 10531 10532 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10533 final int installFlags = args.installFlags; 10534 String installerPackageName = args.installerPackageName; 10535 File tmpPackageFile = new File(args.getCodePath()); 10536 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10537 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10538 boolean replace = false; 10539 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10540 // Result object to be returned 10541 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10542 10543 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10544 // Retrieve PackageSettings and parse package 10545 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10546 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10547 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10548 PackageParser pp = new PackageParser(); 10549 pp.setSeparateProcesses(mSeparateProcesses); 10550 pp.setDisplayMetrics(mMetrics); 10551 10552 final PackageParser.Package pkg; 10553 try { 10554 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10555 } catch (PackageParserException e) { 10556 res.setError("Failed parse during installPackageLI", e); 10557 return; 10558 } 10559 10560 // Mark that we have an install time CPU ABI override. 10561 pkg.cpuAbiOverride = args.abiOverride; 10562 10563 String pkgName = res.name = pkg.packageName; 10564 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10565 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10566 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10567 return; 10568 } 10569 } 10570 10571 try { 10572 pp.collectCertificates(pkg, parseFlags); 10573 pp.collectManifestDigest(pkg); 10574 } catch (PackageParserException e) { 10575 res.setError("Failed collect during installPackageLI", e); 10576 return; 10577 } 10578 10579 /* If the installer passed in a manifest digest, compare it now. */ 10580 if (args.manifestDigest != null) { 10581 if (DEBUG_INSTALL) { 10582 final String parsedManifest = pkg.manifestDigest == null ? "null" 10583 : pkg.manifestDigest.toString(); 10584 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10585 + parsedManifest); 10586 } 10587 10588 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10589 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10590 return; 10591 } 10592 } else if (DEBUG_INSTALL) { 10593 final String parsedManifest = pkg.manifestDigest == null 10594 ? "null" : pkg.manifestDigest.toString(); 10595 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10596 } 10597 10598 // Get rid of all references to package scan path via parser. 10599 pp = null; 10600 String oldCodePath = null; 10601 boolean systemApp = false; 10602 synchronized (mPackages) { 10603 // Check if installing already existing package 10604 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10605 String oldName = mSettings.mRenamedPackages.get(pkgName); 10606 if (pkg.mOriginalPackages != null 10607 && pkg.mOriginalPackages.contains(oldName) 10608 && mPackages.containsKey(oldName)) { 10609 // This package is derived from an original package, 10610 // and this device has been updating from that original 10611 // name. We must continue using the original name, so 10612 // rename the new package here. 10613 pkg.setPackageName(oldName); 10614 pkgName = pkg.packageName; 10615 replace = true; 10616 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10617 + oldName + " pkgName=" + pkgName); 10618 } else if (mPackages.containsKey(pkgName)) { 10619 // This package, under its official name, already exists 10620 // on the device; we should replace it. 10621 replace = true; 10622 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10623 } 10624 } 10625 10626 PackageSetting ps = mSettings.mPackages.get(pkgName); 10627 if (ps != null) { 10628 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10629 10630 // Quick sanity check that we're signed correctly if updating; 10631 // we'll check this again later when scanning, but we want to 10632 // bail early here before tripping over redefined permissions. 10633 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10634 try { 10635 verifySignaturesLP(ps, pkg); 10636 } catch (PackageManagerException e) { 10637 res.setError(e.error, e.getMessage()); 10638 return; 10639 } 10640 } else { 10641 if (!checkUpgradeKeySetLP(ps, pkg)) { 10642 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10643 + pkg.packageName + " upgrade keys do not match the " 10644 + "previously installed version"); 10645 return; 10646 } 10647 } 10648 10649 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10650 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10651 systemApp = (ps.pkg.applicationInfo.flags & 10652 ApplicationInfo.FLAG_SYSTEM) != 0; 10653 } 10654 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10655 } 10656 10657 // Check whether the newly-scanned package wants to define an already-defined perm 10658 int N = pkg.permissions.size(); 10659 for (int i = N-1; i >= 0; i--) { 10660 PackageParser.Permission perm = pkg.permissions.get(i); 10661 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10662 if (bp != null) { 10663 // If the defining package is signed with our cert, it's okay. This 10664 // also includes the "updating the same package" case, of course. 10665 // "updating same package" could also involve key-rotation. 10666 final boolean sigsOk; 10667 if (!bp.sourcePackage.equals(pkg.packageName) 10668 || !(bp.packageSetting instanceof PackageSetting) 10669 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10670 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10671 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10672 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10673 } else { 10674 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10675 } 10676 if (!sigsOk) { 10677 // If the owning package is the system itself, we log but allow 10678 // install to proceed; we fail the install on all other permission 10679 // redefinitions. 10680 if (!bp.sourcePackage.equals("android")) { 10681 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10682 + pkg.packageName + " attempting to redeclare permission " 10683 + perm.info.name + " already owned by " + bp.sourcePackage); 10684 res.origPermission = perm.info.name; 10685 res.origPackage = bp.sourcePackage; 10686 return; 10687 } else { 10688 Slog.w(TAG, "Package " + pkg.packageName 10689 + " attempting to redeclare system permission " 10690 + perm.info.name + "; ignoring new declaration"); 10691 pkg.permissions.remove(i); 10692 } 10693 } 10694 } 10695 } 10696 10697 } 10698 10699 if (systemApp && onSd) { 10700 // Disable updates to system apps on sdcard 10701 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10702 "Cannot install updates to system apps on sdcard"); 10703 return; 10704 } 10705 10706 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10707 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10708 return; 10709 } 10710 10711 if (replace) { 10712 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10713 installerPackageName, res); 10714 } else { 10715 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10716 args.user, installerPackageName, res); 10717 } 10718 synchronized (mPackages) { 10719 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10720 if (ps != null) { 10721 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10722 } 10723 } 10724 } 10725 10726 private static boolean isMultiArch(PackageSetting ps) { 10727 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10728 } 10729 10730 private static boolean isMultiArch(ApplicationInfo info) { 10731 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10732 } 10733 10734 private static boolean isExternal(PackageParser.Package pkg) { 10735 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10736 } 10737 10738 private static boolean isExternal(PackageSetting ps) { 10739 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10740 } 10741 10742 private static boolean isExternal(ApplicationInfo info) { 10743 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10744 } 10745 10746 private static boolean isSystemApp(PackageParser.Package pkg) { 10747 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10748 } 10749 10750 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10751 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 10752 } 10753 10754 private static boolean isSystemApp(ApplicationInfo info) { 10755 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10756 } 10757 10758 private static boolean isSystemApp(PackageSetting ps) { 10759 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10760 } 10761 10762 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10763 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10764 } 10765 10766 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10767 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10768 } 10769 10770 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10771 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10772 } 10773 10774 private int packageFlagsToInstallFlags(PackageSetting ps) { 10775 int installFlags = 0; 10776 if (isExternal(ps)) { 10777 installFlags |= PackageManager.INSTALL_EXTERNAL; 10778 } 10779 if (ps.isForwardLocked()) { 10780 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10781 } 10782 return installFlags; 10783 } 10784 10785 private void deleteTempPackageFiles() { 10786 final FilenameFilter filter = new FilenameFilter() { 10787 public boolean accept(File dir, String name) { 10788 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10789 } 10790 }; 10791 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10792 file.delete(); 10793 } 10794 } 10795 10796 @Override 10797 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10798 int flags) { 10799 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10800 flags); 10801 } 10802 10803 @Override 10804 public void deletePackage(final String packageName, 10805 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10806 mContext.enforceCallingOrSelfPermission( 10807 android.Manifest.permission.DELETE_PACKAGES, null); 10808 final int uid = Binder.getCallingUid(); 10809 if (UserHandle.getUserId(uid) != userId) { 10810 mContext.enforceCallingPermission( 10811 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10812 "deletePackage for user " + userId); 10813 } 10814 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10815 try { 10816 observer.onPackageDeleted(packageName, 10817 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10818 } catch (RemoteException re) { 10819 } 10820 return; 10821 } 10822 10823 boolean uninstallBlocked = false; 10824 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10825 int[] users = sUserManager.getUserIds(); 10826 for (int i = 0; i < users.length; ++i) { 10827 if (getBlockUninstallForUser(packageName, users[i])) { 10828 uninstallBlocked = true; 10829 break; 10830 } 10831 } 10832 } else { 10833 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10834 } 10835 if (uninstallBlocked) { 10836 try { 10837 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10838 null); 10839 } catch (RemoteException re) { 10840 } 10841 return; 10842 } 10843 10844 if (DEBUG_REMOVE) { 10845 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10846 } 10847 // Queue up an async operation since the package deletion may take a little while. 10848 mHandler.post(new Runnable() { 10849 public void run() { 10850 mHandler.removeCallbacks(this); 10851 final int returnCode = deletePackageX(packageName, userId, flags); 10852 if (observer != null) { 10853 try { 10854 observer.onPackageDeleted(packageName, returnCode, null); 10855 } catch (RemoteException e) { 10856 Log.i(TAG, "Observer no longer exists."); 10857 } //end catch 10858 } //end if 10859 } //end run 10860 }); 10861 } 10862 10863 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10864 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10865 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10866 try { 10867 if (dpm != null) { 10868 if (dpm.isDeviceOwner(packageName)) { 10869 return true; 10870 } 10871 int[] users; 10872 if (userId == UserHandle.USER_ALL) { 10873 users = sUserManager.getUserIds(); 10874 } else { 10875 users = new int[]{userId}; 10876 } 10877 for (int i = 0; i < users.length; ++i) { 10878 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10879 return true; 10880 } 10881 } 10882 } 10883 } catch (RemoteException e) { 10884 } 10885 return false; 10886 } 10887 10888 /** 10889 * This method is an internal method that could be get invoked either 10890 * to delete an installed package or to clean up a failed installation. 10891 * After deleting an installed package, a broadcast is sent to notify any 10892 * listeners that the package has been installed. For cleaning up a failed 10893 * installation, the broadcast is not necessary since the package's 10894 * installation wouldn't have sent the initial broadcast either 10895 * The key steps in deleting a package are 10896 * deleting the package information in internal structures like mPackages, 10897 * deleting the packages base directories through installd 10898 * updating mSettings to reflect current status 10899 * persisting settings for later use 10900 * sending a broadcast if necessary 10901 */ 10902 private int deletePackageX(String packageName, int userId, int flags) { 10903 final PackageRemovedInfo info = new PackageRemovedInfo(); 10904 final boolean res; 10905 10906 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10907 ? UserHandle.ALL : new UserHandle(userId); 10908 10909 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10910 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10911 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10912 } 10913 10914 boolean removedForAllUsers = false; 10915 boolean systemUpdate = false; 10916 10917 // for the uninstall-updates case and restricted profiles, remember the per- 10918 // userhandle installed state 10919 int[] allUsers; 10920 boolean[] perUserInstalled; 10921 synchronized (mPackages) { 10922 PackageSetting ps = mSettings.mPackages.get(packageName); 10923 allUsers = sUserManager.getUserIds(); 10924 perUserInstalled = new boolean[allUsers.length]; 10925 for (int i = 0; i < allUsers.length; i++) { 10926 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10927 } 10928 } 10929 10930 synchronized (mInstallLock) { 10931 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10932 res = deletePackageLI(packageName, removeForUser, 10933 true, allUsers, perUserInstalled, 10934 flags | REMOVE_CHATTY, info, true); 10935 systemUpdate = info.isRemovedPackageSystemUpdate; 10936 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10937 removedForAllUsers = true; 10938 } 10939 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10940 + " removedForAllUsers=" + removedForAllUsers); 10941 } 10942 10943 if (res) { 10944 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10945 10946 // If the removed package was a system update, the old system package 10947 // was re-enabled; we need to broadcast this information 10948 if (systemUpdate) { 10949 Bundle extras = new Bundle(1); 10950 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10951 ? info.removedAppId : info.uid); 10952 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10953 10954 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10955 extras, null, null, null); 10956 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10957 extras, null, null, null); 10958 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10959 null, packageName, null, null); 10960 } 10961 } 10962 // Force a gc here. 10963 Runtime.getRuntime().gc(); 10964 // Delete the resources here after sending the broadcast to let 10965 // other processes clean up before deleting resources. 10966 if (info.args != null) { 10967 synchronized (mInstallLock) { 10968 info.args.doPostDeleteLI(true); 10969 } 10970 } 10971 10972 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10973 } 10974 10975 static class PackageRemovedInfo { 10976 String removedPackage; 10977 int uid = -1; 10978 int removedAppId = -1; 10979 int[] removedUsers = null; 10980 boolean isRemovedPackageSystemUpdate = false; 10981 // Clean up resources deleted packages. 10982 InstallArgs args = null; 10983 10984 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10985 Bundle extras = new Bundle(1); 10986 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10987 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10988 if (replacing) { 10989 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10990 } 10991 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10992 if (removedPackage != null) { 10993 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10994 extras, null, null, removedUsers); 10995 if (fullRemove && !replacing) { 10996 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10997 extras, null, null, removedUsers); 10998 } 10999 } 11000 if (removedAppId >= 0) { 11001 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 11002 removedUsers); 11003 } 11004 } 11005 } 11006 11007 /* 11008 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 11009 * flag is not set, the data directory is removed as well. 11010 * make sure this flag is set for partially installed apps. If not its meaningless to 11011 * delete a partially installed application. 11012 */ 11013 private void removePackageDataLI(PackageSetting ps, 11014 int[] allUserHandles, boolean[] perUserInstalled, 11015 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 11016 String packageName = ps.name; 11017 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 11018 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 11019 // Retrieve object to delete permissions for shared user later on 11020 final PackageSetting deletedPs; 11021 // reader 11022 synchronized (mPackages) { 11023 deletedPs = mSettings.mPackages.get(packageName); 11024 if (outInfo != null) { 11025 outInfo.removedPackage = packageName; 11026 outInfo.removedUsers = deletedPs != null 11027 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 11028 : null; 11029 } 11030 } 11031 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11032 removeDataDirsLI(packageName); 11033 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 11034 } 11035 // writer 11036 synchronized (mPackages) { 11037 if (deletedPs != null) { 11038 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11039 if (outInfo != null) { 11040 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 11041 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 11042 } 11043 updatePermissionsLPw(deletedPs.name, null, 0); 11044 if (deletedPs.sharedUser != null) { 11045 // Remove permissions associated with package. Since runtime 11046 // permissions are per user we have to kill the removed package 11047 // or packages running under the shared user of the removed 11048 // package if revoking the permissions requested only by the removed 11049 // package is successful and this causes a change in gids. 11050 for (int userId : UserManagerService.getInstance().getUserIds()) { 11051 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 11052 userId); 11053 if (userIdToKill == UserHandle.USER_ALL 11054 || userIdToKill >= UserHandle.USER_OWNER) { 11055 // If gids changed for this user, kill all affected packages. 11056 mHandler.post(new Runnable() { 11057 @Override 11058 public void run() { 11059 // This has to happen with no lock held. 11060 killSettingPackagesForUser(deletedPs, userIdToKill, 11061 KILL_APP_REASON_GIDS_CHANGED); 11062 } 11063 }); 11064 break; 11065 } 11066 } 11067 } 11068 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 11069 } 11070 // make sure to preserve per-user disabled state if this removal was just 11071 // a downgrade of a system app to the factory package 11072 if (allUserHandles != null && perUserInstalled != null) { 11073 if (DEBUG_REMOVE) { 11074 Slog.d(TAG, "Propagating install state across downgrade"); 11075 } 11076 for (int i = 0; i < allUserHandles.length; i++) { 11077 if (DEBUG_REMOVE) { 11078 Slog.d(TAG, " user " + allUserHandles[i] 11079 + " => " + perUserInstalled[i]); 11080 } 11081 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11082 } 11083 } 11084 } 11085 // can downgrade to reader 11086 if (writeSettings) { 11087 // Save settings now 11088 mSettings.writeLPr(); 11089 } 11090 } 11091 if (outInfo != null) { 11092 // A user ID was deleted here. Go through all users and remove it 11093 // from KeyStore. 11094 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 11095 } 11096 } 11097 11098 static boolean locationIsPrivileged(File path) { 11099 try { 11100 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 11101 .getCanonicalPath(); 11102 return path.getCanonicalPath().startsWith(privilegedAppDir); 11103 } catch (IOException e) { 11104 Slog.e(TAG, "Unable to access code path " + path); 11105 } 11106 return false; 11107 } 11108 11109 /* 11110 * Tries to delete system package. 11111 */ 11112 private boolean deleteSystemPackageLI(PackageSetting newPs, 11113 int[] allUserHandles, boolean[] perUserInstalled, 11114 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 11115 final boolean applyUserRestrictions 11116 = (allUserHandles != null) && (perUserInstalled != null); 11117 PackageSetting disabledPs = null; 11118 // Confirm if the system package has been updated 11119 // An updated system app can be deleted. This will also have to restore 11120 // the system pkg from system partition 11121 // reader 11122 synchronized (mPackages) { 11123 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 11124 } 11125 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 11126 + " disabledPs=" + disabledPs); 11127 if (disabledPs == null) { 11128 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 11129 return false; 11130 } else if (DEBUG_REMOVE) { 11131 Slog.d(TAG, "Deleting system pkg from data partition"); 11132 } 11133 if (DEBUG_REMOVE) { 11134 if (applyUserRestrictions) { 11135 Slog.d(TAG, "Remembering install states:"); 11136 for (int i = 0; i < allUserHandles.length; i++) { 11137 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 11138 } 11139 } 11140 } 11141 // Delete the updated package 11142 outInfo.isRemovedPackageSystemUpdate = true; 11143 if (disabledPs.versionCode < newPs.versionCode) { 11144 // Delete data for downgrades 11145 flags &= ~PackageManager.DELETE_KEEP_DATA; 11146 } else { 11147 // Preserve data by setting flag 11148 flags |= PackageManager.DELETE_KEEP_DATA; 11149 } 11150 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 11151 allUserHandles, perUserInstalled, outInfo, writeSettings); 11152 if (!ret) { 11153 return false; 11154 } 11155 // writer 11156 synchronized (mPackages) { 11157 // Reinstate the old system package 11158 mSettings.enableSystemPackageLPw(newPs.name); 11159 // Remove any native libraries from the upgraded package. 11160 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 11161 } 11162 // Install the system package 11163 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 11164 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 11165 if (locationIsPrivileged(disabledPs.codePath)) { 11166 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11167 } 11168 11169 final PackageParser.Package newPkg; 11170 try { 11171 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 11172 } catch (PackageManagerException e) { 11173 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 11174 return false; 11175 } 11176 11177 // writer 11178 synchronized (mPackages) { 11179 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 11180 updatePermissionsLPw(newPkg.packageName, newPkg, 11181 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 11182 if (applyUserRestrictions) { 11183 if (DEBUG_REMOVE) { 11184 Slog.d(TAG, "Propagating install state across reinstall"); 11185 } 11186 for (int i = 0; i < allUserHandles.length; i++) { 11187 if (DEBUG_REMOVE) { 11188 Slog.d(TAG, " user " + allUserHandles[i] 11189 + " => " + perUserInstalled[i]); 11190 } 11191 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11192 } 11193 // Regardless of writeSettings we need to ensure that this restriction 11194 // state propagation is persisted 11195 mSettings.writeAllUsersPackageRestrictionsLPr(); 11196 } 11197 // can downgrade to reader here 11198 if (writeSettings) { 11199 mSettings.writeLPr(); 11200 } 11201 } 11202 return true; 11203 } 11204 11205 private boolean deleteInstalledPackageLI(PackageSetting ps, 11206 boolean deleteCodeAndResources, int flags, 11207 int[] allUserHandles, boolean[] perUserInstalled, 11208 PackageRemovedInfo outInfo, boolean writeSettings) { 11209 if (outInfo != null) { 11210 outInfo.uid = ps.appId; 11211 } 11212 11213 // Delete package data from internal structures and also remove data if flag is set 11214 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11215 11216 // Delete application code and resources 11217 if (deleteCodeAndResources && (outInfo != null)) { 11218 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11219 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11220 getAppDexInstructionSets(ps)); 11221 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11222 } 11223 return true; 11224 } 11225 11226 @Override 11227 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11228 int userId) { 11229 mContext.enforceCallingOrSelfPermission( 11230 android.Manifest.permission.DELETE_PACKAGES, null); 11231 synchronized (mPackages) { 11232 PackageSetting ps = mSettings.mPackages.get(packageName); 11233 if (ps == null) { 11234 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11235 return false; 11236 } 11237 if (!ps.getInstalled(userId)) { 11238 // Can't block uninstall for an app that is not installed or enabled. 11239 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11240 return false; 11241 } 11242 ps.setBlockUninstall(blockUninstall, userId); 11243 mSettings.writePackageRestrictionsLPr(userId); 11244 } 11245 return true; 11246 } 11247 11248 @Override 11249 public boolean getBlockUninstallForUser(String packageName, int userId) { 11250 synchronized (mPackages) { 11251 PackageSetting ps = mSettings.mPackages.get(packageName); 11252 if (ps == null) { 11253 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11254 return false; 11255 } 11256 return ps.getBlockUninstall(userId); 11257 } 11258 } 11259 11260 /* 11261 * This method handles package deletion in general 11262 */ 11263 private boolean deletePackageLI(String packageName, UserHandle user, 11264 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11265 int flags, PackageRemovedInfo outInfo, 11266 boolean writeSettings) { 11267 if (packageName == null) { 11268 Slog.w(TAG, "Attempt to delete null packageName."); 11269 return false; 11270 } 11271 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11272 PackageSetting ps; 11273 boolean dataOnly = false; 11274 int removeUser = -1; 11275 int appId = -1; 11276 synchronized (mPackages) { 11277 ps = mSettings.mPackages.get(packageName); 11278 if (ps == null) { 11279 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11280 return false; 11281 } 11282 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11283 && user.getIdentifier() != UserHandle.USER_ALL) { 11284 // The caller is asking that the package only be deleted for a single 11285 // user. To do this, we just mark its uninstalled state and delete 11286 // its data. If this is a system app, we only allow this to happen if 11287 // they have set the special DELETE_SYSTEM_APP which requests different 11288 // semantics than normal for uninstalling system apps. 11289 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11290 ps.setUserState(user.getIdentifier(), 11291 COMPONENT_ENABLED_STATE_DEFAULT, 11292 false, //installed 11293 true, //stopped 11294 true, //notLaunched 11295 false, //hidden 11296 null, null, null, 11297 false // blockUninstall 11298 ); 11299 if (!isSystemApp(ps)) { 11300 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11301 // Other user still have this package installed, so all 11302 // we need to do is clear this user's data and save that 11303 // it is uninstalled. 11304 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11305 removeUser = user.getIdentifier(); 11306 appId = ps.appId; 11307 mSettings.writePackageRestrictionsLPr(removeUser); 11308 } else { 11309 // We need to set it back to 'installed' so the uninstall 11310 // broadcasts will be sent correctly. 11311 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11312 ps.setInstalled(true, user.getIdentifier()); 11313 } 11314 } else { 11315 // This is a system app, so we assume that the 11316 // other users still have this package installed, so all 11317 // we need to do is clear this user's data and save that 11318 // it is uninstalled. 11319 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11320 removeUser = user.getIdentifier(); 11321 appId = ps.appId; 11322 mSettings.writePackageRestrictionsLPr(removeUser); 11323 } 11324 } 11325 } 11326 11327 if (removeUser >= 0) { 11328 // From above, we determined that we are deleting this only 11329 // for a single user. Continue the work here. 11330 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11331 if (outInfo != null) { 11332 outInfo.removedPackage = packageName; 11333 outInfo.removedAppId = appId; 11334 outInfo.removedUsers = new int[] {removeUser}; 11335 } 11336 mInstaller.clearUserData(packageName, removeUser); 11337 removeKeystoreDataIfNeeded(removeUser, appId); 11338 schedulePackageCleaning(packageName, removeUser, false); 11339 return true; 11340 } 11341 11342 if (dataOnly) { 11343 // Delete application data first 11344 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11345 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11346 return true; 11347 } 11348 11349 boolean ret = false; 11350 if (isSystemApp(ps)) { 11351 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11352 // When an updated system application is deleted we delete the existing resources as well and 11353 // fall back to existing code in system partition 11354 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11355 flags, outInfo, writeSettings); 11356 } else { 11357 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11358 // Kill application pre-emptively especially for apps on sd. 11359 killApplication(packageName, ps.appId, "uninstall pkg"); 11360 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11361 allUserHandles, perUserInstalled, 11362 outInfo, writeSettings); 11363 } 11364 11365 return ret; 11366 } 11367 11368 private final class ClearStorageConnection implements ServiceConnection { 11369 IMediaContainerService mContainerService; 11370 11371 @Override 11372 public void onServiceConnected(ComponentName name, IBinder service) { 11373 synchronized (this) { 11374 mContainerService = IMediaContainerService.Stub.asInterface(service); 11375 notifyAll(); 11376 } 11377 } 11378 11379 @Override 11380 public void onServiceDisconnected(ComponentName name) { 11381 } 11382 } 11383 11384 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11385 final boolean mounted; 11386 if (Environment.isExternalStorageEmulated()) { 11387 mounted = true; 11388 } else { 11389 final String status = Environment.getExternalStorageState(); 11390 11391 mounted = status.equals(Environment.MEDIA_MOUNTED) 11392 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11393 } 11394 11395 if (!mounted) { 11396 return; 11397 } 11398 11399 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11400 int[] users; 11401 if (userId == UserHandle.USER_ALL) { 11402 users = sUserManager.getUserIds(); 11403 } else { 11404 users = new int[] { userId }; 11405 } 11406 final ClearStorageConnection conn = new ClearStorageConnection(); 11407 if (mContext.bindServiceAsUser( 11408 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11409 try { 11410 for (int curUser : users) { 11411 long timeout = SystemClock.uptimeMillis() + 5000; 11412 synchronized (conn) { 11413 long now = SystemClock.uptimeMillis(); 11414 while (conn.mContainerService == null && now < timeout) { 11415 try { 11416 conn.wait(timeout - now); 11417 } catch (InterruptedException e) { 11418 } 11419 } 11420 } 11421 if (conn.mContainerService == null) { 11422 return; 11423 } 11424 11425 final UserEnvironment userEnv = new UserEnvironment(curUser); 11426 clearDirectory(conn.mContainerService, 11427 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11428 if (allData) { 11429 clearDirectory(conn.mContainerService, 11430 userEnv.buildExternalStorageAppDataDirs(packageName)); 11431 clearDirectory(conn.mContainerService, 11432 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11433 } 11434 } 11435 } finally { 11436 mContext.unbindService(conn); 11437 } 11438 } 11439 } 11440 11441 @Override 11442 public void clearApplicationUserData(final String packageName, 11443 final IPackageDataObserver observer, final int userId) { 11444 mContext.enforceCallingOrSelfPermission( 11445 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11446 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11447 // Queue up an async operation since the package deletion may take a little while. 11448 mHandler.post(new Runnable() { 11449 public void run() { 11450 mHandler.removeCallbacks(this); 11451 final boolean succeeded; 11452 synchronized (mInstallLock) { 11453 succeeded = clearApplicationUserDataLI(packageName, userId); 11454 } 11455 clearExternalStorageDataSync(packageName, userId, true); 11456 if (succeeded) { 11457 // invoke DeviceStorageMonitor's update method to clear any notifications 11458 DeviceStorageMonitorInternal 11459 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11460 if (dsm != null) { 11461 dsm.checkMemory(); 11462 } 11463 } 11464 if(observer != null) { 11465 try { 11466 observer.onRemoveCompleted(packageName, succeeded); 11467 } catch (RemoteException e) { 11468 Log.i(TAG, "Observer no longer exists."); 11469 } 11470 } //end if observer 11471 } //end run 11472 }); 11473 } 11474 11475 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11476 if (packageName == null) { 11477 Slog.w(TAG, "Attempt to delete null packageName."); 11478 return false; 11479 } 11480 11481 // Try finding details about the requested package 11482 PackageParser.Package pkg; 11483 synchronized (mPackages) { 11484 pkg = mPackages.get(packageName); 11485 if (pkg == null) { 11486 final PackageSetting ps = mSettings.mPackages.get(packageName); 11487 if (ps != null) { 11488 pkg = ps.pkg; 11489 } 11490 } 11491 } 11492 11493 if (pkg == null) { 11494 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11495 } 11496 11497 // Always delete data directories for package, even if we found no other 11498 // record of app. This helps users recover from UID mismatches without 11499 // resorting to a full data wipe. 11500 int retCode = mInstaller.clearUserData(packageName, userId); 11501 if (retCode < 0) { 11502 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11503 return false; 11504 } 11505 11506 if (pkg == null) { 11507 return false; 11508 } 11509 11510 if (pkg != null && pkg.applicationInfo != null) { 11511 final int appId = pkg.applicationInfo.uid; 11512 removeKeystoreDataIfNeeded(userId, appId); 11513 } 11514 11515 // Create a native library symlink only if we have native libraries 11516 // and if the native libraries are 32 bit libraries. We do not provide 11517 // this symlink for 64 bit libraries. 11518 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11519 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11520 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11521 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11522 Slog.w(TAG, "Failed linking native library dir"); 11523 return false; 11524 } 11525 } 11526 11527 return true; 11528 } 11529 11530 /** 11531 * Remove entries from the keystore daemon. Will only remove it if the 11532 * {@code appId} is valid. 11533 */ 11534 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11535 if (appId < 0) { 11536 return; 11537 } 11538 11539 final KeyStore keyStore = KeyStore.getInstance(); 11540 if (keyStore != null) { 11541 if (userId == UserHandle.USER_ALL) { 11542 for (final int individual : sUserManager.getUserIds()) { 11543 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11544 } 11545 } else { 11546 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11547 } 11548 } else { 11549 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11550 } 11551 } 11552 11553 @Override 11554 public void deleteApplicationCacheFiles(final String packageName, 11555 final IPackageDataObserver observer) { 11556 mContext.enforceCallingOrSelfPermission( 11557 android.Manifest.permission.DELETE_CACHE_FILES, null); 11558 // Queue up an async operation since the package deletion may take a little while. 11559 final int userId = UserHandle.getCallingUserId(); 11560 mHandler.post(new Runnable() { 11561 public void run() { 11562 mHandler.removeCallbacks(this); 11563 final boolean succeded; 11564 synchronized (mInstallLock) { 11565 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11566 } 11567 clearExternalStorageDataSync(packageName, userId, false); 11568 if(observer != null) { 11569 try { 11570 observer.onRemoveCompleted(packageName, succeded); 11571 } catch (RemoteException e) { 11572 Log.i(TAG, "Observer no longer exists."); 11573 } 11574 } //end if observer 11575 } //end run 11576 }); 11577 } 11578 11579 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11580 if (packageName == null) { 11581 Slog.w(TAG, "Attempt to delete null packageName."); 11582 return false; 11583 } 11584 PackageParser.Package p; 11585 synchronized (mPackages) { 11586 p = mPackages.get(packageName); 11587 } 11588 if (p == null) { 11589 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11590 return false; 11591 } 11592 final ApplicationInfo applicationInfo = p.applicationInfo; 11593 if (applicationInfo == null) { 11594 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11595 return false; 11596 } 11597 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11598 if (retCode < 0) { 11599 Slog.w(TAG, "Couldn't remove cache files for package: " 11600 + packageName + " u" + userId); 11601 return false; 11602 } 11603 return true; 11604 } 11605 11606 @Override 11607 public void getPackageSizeInfo(final String packageName, int userHandle, 11608 final IPackageStatsObserver observer) { 11609 mContext.enforceCallingOrSelfPermission( 11610 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11611 if (packageName == null) { 11612 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11613 } 11614 11615 PackageStats stats = new PackageStats(packageName, userHandle); 11616 11617 /* 11618 * Queue up an async operation since the package measurement may take a 11619 * little while. 11620 */ 11621 Message msg = mHandler.obtainMessage(INIT_COPY); 11622 msg.obj = new MeasureParams(stats, observer); 11623 mHandler.sendMessage(msg); 11624 } 11625 11626 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11627 PackageStats pStats) { 11628 if (packageName == null) { 11629 Slog.w(TAG, "Attempt to get size of null packageName."); 11630 return false; 11631 } 11632 PackageParser.Package p; 11633 boolean dataOnly = false; 11634 String libDirRoot = null; 11635 String asecPath = null; 11636 PackageSetting ps = null; 11637 synchronized (mPackages) { 11638 p = mPackages.get(packageName); 11639 ps = mSettings.mPackages.get(packageName); 11640 if(p == null) { 11641 dataOnly = true; 11642 if((ps == null) || (ps.pkg == null)) { 11643 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11644 return false; 11645 } 11646 p = ps.pkg; 11647 } 11648 if (ps != null) { 11649 libDirRoot = ps.legacyNativeLibraryPathString; 11650 } 11651 if (p != null && (isExternal(p) || p.isForwardLocked())) { 11652 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11653 if (secureContainerId != null) { 11654 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11655 } 11656 } 11657 } 11658 String publicSrcDir = null; 11659 if(!dataOnly) { 11660 final ApplicationInfo applicationInfo = p.applicationInfo; 11661 if (applicationInfo == null) { 11662 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11663 return false; 11664 } 11665 if (p.isForwardLocked()) { 11666 publicSrcDir = applicationInfo.getBaseResourcePath(); 11667 } 11668 } 11669 // TODO: extend to measure size of split APKs 11670 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11671 // not just the first level. 11672 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11673 // just the primary. 11674 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11675 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11676 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11677 if (res < 0) { 11678 return false; 11679 } 11680 11681 // Fix-up for forward-locked applications in ASEC containers. 11682 if (!isExternal(p)) { 11683 pStats.codeSize += pStats.externalCodeSize; 11684 pStats.externalCodeSize = 0L; 11685 } 11686 11687 return true; 11688 } 11689 11690 11691 @Override 11692 public void addPackageToPreferred(String packageName) { 11693 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11694 } 11695 11696 @Override 11697 public void removePackageFromPreferred(String packageName) { 11698 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11699 } 11700 11701 @Override 11702 public List<PackageInfo> getPreferredPackages(int flags) { 11703 return new ArrayList<PackageInfo>(); 11704 } 11705 11706 private int getUidTargetSdkVersionLockedLPr(int uid) { 11707 Object obj = mSettings.getUserIdLPr(uid); 11708 if (obj instanceof SharedUserSetting) { 11709 final SharedUserSetting sus = (SharedUserSetting) obj; 11710 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11711 final Iterator<PackageSetting> it = sus.packages.iterator(); 11712 while (it.hasNext()) { 11713 final PackageSetting ps = it.next(); 11714 if (ps.pkg != null) { 11715 int v = ps.pkg.applicationInfo.targetSdkVersion; 11716 if (v < vers) vers = v; 11717 } 11718 } 11719 return vers; 11720 } else if (obj instanceof PackageSetting) { 11721 final PackageSetting ps = (PackageSetting) obj; 11722 if (ps.pkg != null) { 11723 return ps.pkg.applicationInfo.targetSdkVersion; 11724 } 11725 } 11726 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11727 } 11728 11729 @Override 11730 public void addPreferredActivity(IntentFilter filter, int match, 11731 ComponentName[] set, ComponentName activity, int userId) { 11732 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11733 "Adding preferred"); 11734 } 11735 11736 private void addPreferredActivityInternal(IntentFilter filter, int match, 11737 ComponentName[] set, ComponentName activity, boolean always, int userId, 11738 String opname) { 11739 // writer 11740 int callingUid = Binder.getCallingUid(); 11741 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11742 if (filter.countActions() == 0) { 11743 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11744 return; 11745 } 11746 synchronized (mPackages) { 11747 if (mContext.checkCallingOrSelfPermission( 11748 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11749 != PackageManager.PERMISSION_GRANTED) { 11750 if (getUidTargetSdkVersionLockedLPr(callingUid) 11751 < Build.VERSION_CODES.FROYO) { 11752 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11753 + callingUid); 11754 return; 11755 } 11756 mContext.enforceCallingOrSelfPermission( 11757 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11758 } 11759 11760 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11761 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11762 + userId + ":"); 11763 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11764 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11765 scheduleWritePackageRestrictionsLocked(userId); 11766 } 11767 } 11768 11769 @Override 11770 public void replacePreferredActivity(IntentFilter filter, int match, 11771 ComponentName[] set, ComponentName activity, int userId) { 11772 if (filter.countActions() != 1) { 11773 throw new IllegalArgumentException( 11774 "replacePreferredActivity expects filter to have only 1 action."); 11775 } 11776 if (filter.countDataAuthorities() != 0 11777 || filter.countDataPaths() != 0 11778 || filter.countDataSchemes() > 1 11779 || filter.countDataTypes() != 0) { 11780 throw new IllegalArgumentException( 11781 "replacePreferredActivity expects filter to have no data authorities, " + 11782 "paths, or types; and at most one scheme."); 11783 } 11784 11785 final int callingUid = Binder.getCallingUid(); 11786 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11787 synchronized (mPackages) { 11788 if (mContext.checkCallingOrSelfPermission( 11789 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11790 != PackageManager.PERMISSION_GRANTED) { 11791 if (getUidTargetSdkVersionLockedLPr(callingUid) 11792 < Build.VERSION_CODES.FROYO) { 11793 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11794 + Binder.getCallingUid()); 11795 return; 11796 } 11797 mContext.enforceCallingOrSelfPermission( 11798 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11799 } 11800 11801 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11802 if (pir != null) { 11803 // Get all of the existing entries that exactly match this filter. 11804 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11805 if (existing != null && existing.size() == 1) { 11806 PreferredActivity cur = existing.get(0); 11807 if (DEBUG_PREFERRED) { 11808 Slog.i(TAG, "Checking replace of preferred:"); 11809 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11810 if (!cur.mPref.mAlways) { 11811 Slog.i(TAG, " -- CUR; not mAlways!"); 11812 } else { 11813 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11814 Slog.i(TAG, " -- CUR: mSet=" 11815 + Arrays.toString(cur.mPref.mSetComponents)); 11816 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11817 Slog.i(TAG, " -- NEW: mMatch=" 11818 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11819 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11820 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11821 } 11822 } 11823 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11824 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11825 && cur.mPref.sameSet(set)) { 11826 // Setting the preferred activity to what it happens to be already 11827 if (DEBUG_PREFERRED) { 11828 Slog.i(TAG, "Replacing with same preferred activity " 11829 + cur.mPref.mShortComponent + " for user " 11830 + userId + ":"); 11831 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11832 } 11833 return; 11834 } 11835 } 11836 11837 if (existing != null) { 11838 if (DEBUG_PREFERRED) { 11839 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11840 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11841 } 11842 for (int i = 0; i < existing.size(); i++) { 11843 PreferredActivity pa = existing.get(i); 11844 if (DEBUG_PREFERRED) { 11845 Slog.i(TAG, "Removing existing preferred activity " 11846 + pa.mPref.mComponent + ":"); 11847 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11848 } 11849 pir.removeFilter(pa); 11850 } 11851 } 11852 } 11853 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11854 "Replacing preferred"); 11855 } 11856 } 11857 11858 @Override 11859 public void clearPackagePreferredActivities(String packageName) { 11860 final int uid = Binder.getCallingUid(); 11861 // writer 11862 synchronized (mPackages) { 11863 PackageParser.Package pkg = mPackages.get(packageName); 11864 if (pkg == null || pkg.applicationInfo.uid != uid) { 11865 if (mContext.checkCallingOrSelfPermission( 11866 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11867 != PackageManager.PERMISSION_GRANTED) { 11868 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11869 < Build.VERSION_CODES.FROYO) { 11870 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11871 + Binder.getCallingUid()); 11872 return; 11873 } 11874 mContext.enforceCallingOrSelfPermission( 11875 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11876 } 11877 } 11878 11879 int user = UserHandle.getCallingUserId(); 11880 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11881 scheduleWritePackageRestrictionsLocked(user); 11882 } 11883 } 11884 } 11885 11886 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11887 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11888 ArrayList<PreferredActivity> removed = null; 11889 boolean changed = false; 11890 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11891 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11892 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11893 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11894 continue; 11895 } 11896 Iterator<PreferredActivity> it = pir.filterIterator(); 11897 while (it.hasNext()) { 11898 PreferredActivity pa = it.next(); 11899 // Mark entry for removal only if it matches the package name 11900 // and the entry is of type "always". 11901 if (packageName == null || 11902 (pa.mPref.mComponent.getPackageName().equals(packageName) 11903 && pa.mPref.mAlways)) { 11904 if (removed == null) { 11905 removed = new ArrayList<PreferredActivity>(); 11906 } 11907 removed.add(pa); 11908 } 11909 } 11910 if (removed != null) { 11911 for (int j=0; j<removed.size(); j++) { 11912 PreferredActivity pa = removed.get(j); 11913 pir.removeFilter(pa); 11914 } 11915 changed = true; 11916 } 11917 } 11918 return changed; 11919 } 11920 11921 @Override 11922 public void resetPreferredActivities(int userId) { 11923 /* TODO: Actually use userId. Why is it being passed in? */ 11924 mContext.enforceCallingOrSelfPermission( 11925 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11926 // writer 11927 synchronized (mPackages) { 11928 int user = UserHandle.getCallingUserId(); 11929 clearPackagePreferredActivitiesLPw(null, user); 11930 mSettings.readDefaultPreferredAppsLPw(this, user); 11931 scheduleWritePackageRestrictionsLocked(user); 11932 } 11933 } 11934 11935 @Override 11936 public int getPreferredActivities(List<IntentFilter> outFilters, 11937 List<ComponentName> outActivities, String packageName) { 11938 11939 int num = 0; 11940 final int userId = UserHandle.getCallingUserId(); 11941 // reader 11942 synchronized (mPackages) { 11943 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11944 if (pir != null) { 11945 final Iterator<PreferredActivity> it = pir.filterIterator(); 11946 while (it.hasNext()) { 11947 final PreferredActivity pa = it.next(); 11948 if (packageName == null 11949 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11950 && pa.mPref.mAlways)) { 11951 if (outFilters != null) { 11952 outFilters.add(new IntentFilter(pa)); 11953 } 11954 if (outActivities != null) { 11955 outActivities.add(pa.mPref.mComponent); 11956 } 11957 } 11958 } 11959 } 11960 } 11961 11962 return num; 11963 } 11964 11965 @Override 11966 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11967 int userId) { 11968 int callingUid = Binder.getCallingUid(); 11969 if (callingUid != Process.SYSTEM_UID) { 11970 throw new SecurityException( 11971 "addPersistentPreferredActivity can only be run by the system"); 11972 } 11973 if (filter.countActions() == 0) { 11974 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11975 return; 11976 } 11977 synchronized (mPackages) { 11978 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11979 " :"); 11980 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11981 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11982 new PersistentPreferredActivity(filter, activity)); 11983 scheduleWritePackageRestrictionsLocked(userId); 11984 } 11985 } 11986 11987 @Override 11988 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11989 int callingUid = Binder.getCallingUid(); 11990 if (callingUid != Process.SYSTEM_UID) { 11991 throw new SecurityException( 11992 "clearPackagePersistentPreferredActivities can only be run by the system"); 11993 } 11994 ArrayList<PersistentPreferredActivity> removed = null; 11995 boolean changed = false; 11996 synchronized (mPackages) { 11997 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11998 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11999 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 12000 .valueAt(i); 12001 if (userId != thisUserId) { 12002 continue; 12003 } 12004 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 12005 while (it.hasNext()) { 12006 PersistentPreferredActivity ppa = it.next(); 12007 // Mark entry for removal only if it matches the package name. 12008 if (ppa.mComponent.getPackageName().equals(packageName)) { 12009 if (removed == null) { 12010 removed = new ArrayList<PersistentPreferredActivity>(); 12011 } 12012 removed.add(ppa); 12013 } 12014 } 12015 if (removed != null) { 12016 for (int j=0; j<removed.size(); j++) { 12017 PersistentPreferredActivity ppa = removed.get(j); 12018 ppir.removeFilter(ppa); 12019 } 12020 changed = true; 12021 } 12022 } 12023 12024 if (changed) { 12025 scheduleWritePackageRestrictionsLocked(userId); 12026 } 12027 } 12028 } 12029 12030 @Override 12031 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 12032 int sourceUserId, int targetUserId, int flags) { 12033 mContext.enforceCallingOrSelfPermission( 12034 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12035 int callingUid = Binder.getCallingUid(); 12036 enforceOwnerRights(ownerPackage, callingUid); 12037 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12038 if (intentFilter.countActions() == 0) { 12039 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 12040 return; 12041 } 12042 synchronized (mPackages) { 12043 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 12044 ownerPackage, targetUserId, flags); 12045 CrossProfileIntentResolver resolver = 12046 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12047 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 12048 // We have all those whose filter is equal. Now checking if the rest is equal as well. 12049 if (existing != null) { 12050 int size = existing.size(); 12051 for (int i = 0; i < size; i++) { 12052 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 12053 return; 12054 } 12055 } 12056 } 12057 resolver.addFilter(newFilter); 12058 scheduleWritePackageRestrictionsLocked(sourceUserId); 12059 } 12060 } 12061 12062 @Override 12063 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 12064 mContext.enforceCallingOrSelfPermission( 12065 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12066 int callingUid = Binder.getCallingUid(); 12067 enforceOwnerRights(ownerPackage, callingUid); 12068 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12069 synchronized (mPackages) { 12070 CrossProfileIntentResolver resolver = 12071 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12072 ArraySet<CrossProfileIntentFilter> set = 12073 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 12074 for (CrossProfileIntentFilter filter : set) { 12075 if (filter.getOwnerPackage().equals(ownerPackage)) { 12076 resolver.removeFilter(filter); 12077 } 12078 } 12079 scheduleWritePackageRestrictionsLocked(sourceUserId); 12080 } 12081 } 12082 12083 // Enforcing that callingUid is owning pkg on userId 12084 private void enforceOwnerRights(String pkg, int callingUid) { 12085 // The system owns everything. 12086 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 12087 return; 12088 } 12089 int callingUserId = UserHandle.getUserId(callingUid); 12090 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 12091 if (pi == null) { 12092 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 12093 + callingUserId); 12094 } 12095 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 12096 throw new SecurityException("Calling uid " + callingUid 12097 + " does not own package " + pkg); 12098 } 12099 } 12100 12101 @Override 12102 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 12103 Intent intent = new Intent(Intent.ACTION_MAIN); 12104 intent.addCategory(Intent.CATEGORY_HOME); 12105 12106 final int callingUserId = UserHandle.getCallingUserId(); 12107 List<ResolveInfo> list = queryIntentActivities(intent, null, 12108 PackageManager.GET_META_DATA, callingUserId); 12109 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 12110 true, false, false, callingUserId); 12111 12112 allHomeCandidates.clear(); 12113 if (list != null) { 12114 for (ResolveInfo ri : list) { 12115 allHomeCandidates.add(ri); 12116 } 12117 } 12118 return (preferred == null || preferred.activityInfo == null) 12119 ? null 12120 : new ComponentName(preferred.activityInfo.packageName, 12121 preferred.activityInfo.name); 12122 } 12123 12124 @Override 12125 public void setApplicationEnabledSetting(String appPackageName, 12126 int newState, int flags, int userId, String callingPackage) { 12127 if (!sUserManager.exists(userId)) return; 12128 if (callingPackage == null) { 12129 callingPackage = Integer.toString(Binder.getCallingUid()); 12130 } 12131 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 12132 } 12133 12134 @Override 12135 public void setComponentEnabledSetting(ComponentName componentName, 12136 int newState, int flags, int userId) { 12137 if (!sUserManager.exists(userId)) return; 12138 setEnabledSetting(componentName.getPackageName(), 12139 componentName.getClassName(), newState, flags, userId, null); 12140 } 12141 12142 private void setEnabledSetting(final String packageName, String className, int newState, 12143 final int flags, int userId, String callingPackage) { 12144 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 12145 || newState == COMPONENT_ENABLED_STATE_ENABLED 12146 || newState == COMPONENT_ENABLED_STATE_DISABLED 12147 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 12148 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 12149 throw new IllegalArgumentException("Invalid new component state: " 12150 + newState); 12151 } 12152 PackageSetting pkgSetting; 12153 final int uid = Binder.getCallingUid(); 12154 final int permission = mContext.checkCallingOrSelfPermission( 12155 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12156 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 12157 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12158 boolean sendNow = false; 12159 boolean isApp = (className == null); 12160 String componentName = isApp ? packageName : className; 12161 int packageUid = -1; 12162 ArrayList<String> components; 12163 12164 // writer 12165 synchronized (mPackages) { 12166 pkgSetting = mSettings.mPackages.get(packageName); 12167 if (pkgSetting == null) { 12168 if (className == null) { 12169 throw new IllegalArgumentException( 12170 "Unknown package: " + packageName); 12171 } 12172 throw new IllegalArgumentException( 12173 "Unknown component: " + packageName 12174 + "/" + className); 12175 } 12176 // Allow root and verify that userId is not being specified by a different user 12177 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 12178 throw new SecurityException( 12179 "Permission Denial: attempt to change component state from pid=" 12180 + Binder.getCallingPid() 12181 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 12182 } 12183 if (className == null) { 12184 // We're dealing with an application/package level state change 12185 if (pkgSetting.getEnabled(userId) == newState) { 12186 // Nothing to do 12187 return; 12188 } 12189 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 12190 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 12191 // Don't care about who enables an app. 12192 callingPackage = null; 12193 } 12194 pkgSetting.setEnabled(newState, userId, callingPackage); 12195 // pkgSetting.pkg.mSetEnabled = newState; 12196 } else { 12197 // We're dealing with a component level state change 12198 // First, verify that this is a valid class name. 12199 PackageParser.Package pkg = pkgSetting.pkg; 12200 if (pkg == null || !pkg.hasComponentClassName(className)) { 12201 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 12202 throw new IllegalArgumentException("Component class " + className 12203 + " does not exist in " + packageName); 12204 } else { 12205 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 12206 + className + " does not exist in " + packageName); 12207 } 12208 } 12209 switch (newState) { 12210 case COMPONENT_ENABLED_STATE_ENABLED: 12211 if (!pkgSetting.enableComponentLPw(className, userId)) { 12212 return; 12213 } 12214 break; 12215 case COMPONENT_ENABLED_STATE_DISABLED: 12216 if (!pkgSetting.disableComponentLPw(className, userId)) { 12217 return; 12218 } 12219 break; 12220 case COMPONENT_ENABLED_STATE_DEFAULT: 12221 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12222 return; 12223 } 12224 break; 12225 default: 12226 Slog.e(TAG, "Invalid new component state: " + newState); 12227 return; 12228 } 12229 } 12230 scheduleWritePackageRestrictionsLocked(userId); 12231 components = mPendingBroadcasts.get(userId, packageName); 12232 final boolean newPackage = components == null; 12233 if (newPackage) { 12234 components = new ArrayList<String>(); 12235 } 12236 if (!components.contains(componentName)) { 12237 components.add(componentName); 12238 } 12239 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12240 sendNow = true; 12241 // Purge entry from pending broadcast list if another one exists already 12242 // since we are sending one right away. 12243 mPendingBroadcasts.remove(userId, packageName); 12244 } else { 12245 if (newPackage) { 12246 mPendingBroadcasts.put(userId, packageName, components); 12247 } 12248 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12249 // Schedule a message 12250 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12251 } 12252 } 12253 } 12254 12255 long callingId = Binder.clearCallingIdentity(); 12256 try { 12257 if (sendNow) { 12258 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12259 sendPackageChangedBroadcast(packageName, 12260 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12261 } 12262 } finally { 12263 Binder.restoreCallingIdentity(callingId); 12264 } 12265 } 12266 12267 private void sendPackageChangedBroadcast(String packageName, 12268 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12269 if (DEBUG_INSTALL) 12270 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12271 + componentNames); 12272 Bundle extras = new Bundle(4); 12273 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12274 String nameList[] = new String[componentNames.size()]; 12275 componentNames.toArray(nameList); 12276 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12277 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12278 extras.putInt(Intent.EXTRA_UID, packageUid); 12279 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12280 new int[] {UserHandle.getUserId(packageUid)}); 12281 } 12282 12283 @Override 12284 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12285 if (!sUserManager.exists(userId)) return; 12286 final int uid = Binder.getCallingUid(); 12287 final int permission = mContext.checkCallingOrSelfPermission( 12288 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12289 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12290 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12291 // writer 12292 synchronized (mPackages) { 12293 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12294 uid, userId)) { 12295 scheduleWritePackageRestrictionsLocked(userId); 12296 } 12297 } 12298 } 12299 12300 @Override 12301 public String getInstallerPackageName(String packageName) { 12302 // reader 12303 synchronized (mPackages) { 12304 return mSettings.getInstallerPackageNameLPr(packageName); 12305 } 12306 } 12307 12308 @Override 12309 public int getApplicationEnabledSetting(String packageName, int userId) { 12310 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12311 int uid = Binder.getCallingUid(); 12312 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12313 // reader 12314 synchronized (mPackages) { 12315 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12316 } 12317 } 12318 12319 @Override 12320 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12321 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12322 int uid = Binder.getCallingUid(); 12323 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12324 // reader 12325 synchronized (mPackages) { 12326 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12327 } 12328 } 12329 12330 @Override 12331 public void enterSafeMode() { 12332 enforceSystemOrRoot("Only the system can request entering safe mode"); 12333 12334 if (!mSystemReady) { 12335 mSafeMode = true; 12336 } 12337 } 12338 12339 @Override 12340 public void systemReady() { 12341 mSystemReady = true; 12342 12343 // Read the compatibilty setting when the system is ready. 12344 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12345 mContext.getContentResolver(), 12346 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12347 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12348 if (DEBUG_SETTINGS) { 12349 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12350 } 12351 12352 synchronized (mPackages) { 12353 // Verify that all of the preferred activity components actually 12354 // exist. It is possible for applications to be updated and at 12355 // that point remove a previously declared activity component that 12356 // had been set as a preferred activity. We try to clean this up 12357 // the next time we encounter that preferred activity, but it is 12358 // possible for the user flow to never be able to return to that 12359 // situation so here we do a sanity check to make sure we haven't 12360 // left any junk around. 12361 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12362 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12363 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12364 removed.clear(); 12365 for (PreferredActivity pa : pir.filterSet()) { 12366 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12367 removed.add(pa); 12368 } 12369 } 12370 if (removed.size() > 0) { 12371 for (int r=0; r<removed.size(); r++) { 12372 PreferredActivity pa = removed.get(r); 12373 Slog.w(TAG, "Removing dangling preferred activity: " 12374 + pa.mPref.mComponent); 12375 pir.removeFilter(pa); 12376 } 12377 mSettings.writePackageRestrictionsLPr( 12378 mSettings.mPreferredActivities.keyAt(i)); 12379 } 12380 } 12381 } 12382 sUserManager.systemReady(); 12383 12384 // Kick off any messages waiting for system ready 12385 if (mPostSystemReadyMessages != null) { 12386 for (Message msg : mPostSystemReadyMessages) { 12387 msg.sendToTarget(); 12388 } 12389 mPostSystemReadyMessages = null; 12390 } 12391 } 12392 12393 @Override 12394 public boolean isSafeMode() { 12395 return mSafeMode; 12396 } 12397 12398 @Override 12399 public boolean hasSystemUidErrors() { 12400 return mHasSystemUidErrors; 12401 } 12402 12403 static String arrayToString(int[] array) { 12404 StringBuffer buf = new StringBuffer(128); 12405 buf.append('['); 12406 if (array != null) { 12407 for (int i=0; i<array.length; i++) { 12408 if (i > 0) buf.append(", "); 12409 buf.append(array[i]); 12410 } 12411 } 12412 buf.append(']'); 12413 return buf.toString(); 12414 } 12415 12416 static class DumpState { 12417 public static final int DUMP_LIBS = 1 << 0; 12418 public static final int DUMP_FEATURES = 1 << 1; 12419 public static final int DUMP_RESOLVERS = 1 << 2; 12420 public static final int DUMP_PERMISSIONS = 1 << 3; 12421 public static final int DUMP_PACKAGES = 1 << 4; 12422 public static final int DUMP_SHARED_USERS = 1 << 5; 12423 public static final int DUMP_MESSAGES = 1 << 6; 12424 public static final int DUMP_PROVIDERS = 1 << 7; 12425 public static final int DUMP_VERIFIERS = 1 << 8; 12426 public static final int DUMP_PREFERRED = 1 << 9; 12427 public static final int DUMP_PREFERRED_XML = 1 << 10; 12428 public static final int DUMP_KEYSETS = 1 << 11; 12429 public static final int DUMP_VERSION = 1 << 12; 12430 public static final int DUMP_INSTALLS = 1 << 13; 12431 12432 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12433 12434 private int mTypes; 12435 12436 private int mOptions; 12437 12438 private boolean mTitlePrinted; 12439 12440 private SharedUserSetting mSharedUser; 12441 12442 public boolean isDumping(int type) { 12443 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12444 return true; 12445 } 12446 12447 return (mTypes & type) != 0; 12448 } 12449 12450 public void setDump(int type) { 12451 mTypes |= type; 12452 } 12453 12454 public boolean isOptionEnabled(int option) { 12455 return (mOptions & option) != 0; 12456 } 12457 12458 public void setOptionEnabled(int option) { 12459 mOptions |= option; 12460 } 12461 12462 public boolean onTitlePrinted() { 12463 final boolean printed = mTitlePrinted; 12464 mTitlePrinted = true; 12465 return printed; 12466 } 12467 12468 public boolean getTitlePrinted() { 12469 return mTitlePrinted; 12470 } 12471 12472 public void setTitlePrinted(boolean enabled) { 12473 mTitlePrinted = enabled; 12474 } 12475 12476 public SharedUserSetting getSharedUser() { 12477 return mSharedUser; 12478 } 12479 12480 public void setSharedUser(SharedUserSetting user) { 12481 mSharedUser = user; 12482 } 12483 } 12484 12485 @Override 12486 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12487 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12488 != PackageManager.PERMISSION_GRANTED) { 12489 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12490 + Binder.getCallingPid() 12491 + ", uid=" + Binder.getCallingUid() 12492 + " without permission " 12493 + android.Manifest.permission.DUMP); 12494 return; 12495 } 12496 12497 DumpState dumpState = new DumpState(); 12498 boolean fullPreferred = false; 12499 boolean checkin = false; 12500 12501 String packageName = null; 12502 12503 int opti = 0; 12504 while (opti < args.length) { 12505 String opt = args[opti]; 12506 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12507 break; 12508 } 12509 opti++; 12510 12511 if ("-a".equals(opt)) { 12512 // Right now we only know how to print all. 12513 } else if ("-h".equals(opt)) { 12514 pw.println("Package manager dump options:"); 12515 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12516 pw.println(" --checkin: dump for a checkin"); 12517 pw.println(" -f: print details of intent filters"); 12518 pw.println(" -h: print this help"); 12519 pw.println(" cmd may be one of:"); 12520 pw.println(" l[ibraries]: list known shared libraries"); 12521 pw.println(" f[ibraries]: list device features"); 12522 pw.println(" k[eysets]: print known keysets"); 12523 pw.println(" r[esolvers]: dump intent resolvers"); 12524 pw.println(" perm[issions]: dump permissions"); 12525 pw.println(" pref[erred]: print preferred package settings"); 12526 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12527 pw.println(" prov[iders]: dump content providers"); 12528 pw.println(" p[ackages]: dump installed packages"); 12529 pw.println(" s[hared-users]: dump shared user IDs"); 12530 pw.println(" m[essages]: print collected runtime messages"); 12531 pw.println(" v[erifiers]: print package verifier info"); 12532 pw.println(" version: print database version info"); 12533 pw.println(" write: write current settings now"); 12534 pw.println(" <package.name>: info about given package"); 12535 pw.println(" installs: details about install sessions"); 12536 return; 12537 } else if ("--checkin".equals(opt)) { 12538 checkin = true; 12539 } else if ("-f".equals(opt)) { 12540 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12541 } else { 12542 pw.println("Unknown argument: " + opt + "; use -h for help"); 12543 } 12544 } 12545 12546 // Is the caller requesting to dump a particular piece of data? 12547 if (opti < args.length) { 12548 String cmd = args[opti]; 12549 opti++; 12550 // Is this a package name? 12551 if ("android".equals(cmd) || cmd.contains(".")) { 12552 packageName = cmd; 12553 // When dumping a single package, we always dump all of its 12554 // filter information since the amount of data will be reasonable. 12555 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12556 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12557 dumpState.setDump(DumpState.DUMP_LIBS); 12558 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12559 dumpState.setDump(DumpState.DUMP_FEATURES); 12560 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12561 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12562 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12563 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12564 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12565 dumpState.setDump(DumpState.DUMP_PREFERRED); 12566 } else if ("preferred-xml".equals(cmd)) { 12567 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12568 if (opti < args.length && "--full".equals(args[opti])) { 12569 fullPreferred = true; 12570 opti++; 12571 } 12572 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12573 dumpState.setDump(DumpState.DUMP_PACKAGES); 12574 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12575 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12576 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12577 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12578 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12579 dumpState.setDump(DumpState.DUMP_MESSAGES); 12580 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12581 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12582 } else if ("version".equals(cmd)) { 12583 dumpState.setDump(DumpState.DUMP_VERSION); 12584 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12585 dumpState.setDump(DumpState.DUMP_KEYSETS); 12586 } else if ("installs".equals(cmd)) { 12587 dumpState.setDump(DumpState.DUMP_INSTALLS); 12588 } else if ("write".equals(cmd)) { 12589 synchronized (mPackages) { 12590 mSettings.writeLPr(); 12591 pw.println("Settings written."); 12592 return; 12593 } 12594 } 12595 } 12596 12597 if (checkin) { 12598 pw.println("vers,1"); 12599 } 12600 12601 // reader 12602 synchronized (mPackages) { 12603 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12604 if (!checkin) { 12605 if (dumpState.onTitlePrinted()) 12606 pw.println(); 12607 pw.println("Database versions:"); 12608 pw.print(" SDK Version:"); 12609 pw.print(" internal="); 12610 pw.print(mSettings.mInternalSdkPlatform); 12611 pw.print(" external="); 12612 pw.println(mSettings.mExternalSdkPlatform); 12613 pw.print(" DB Version:"); 12614 pw.print(" internal="); 12615 pw.print(mSettings.mInternalDatabaseVersion); 12616 pw.print(" external="); 12617 pw.println(mSettings.mExternalDatabaseVersion); 12618 } 12619 } 12620 12621 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12622 if (!checkin) { 12623 if (dumpState.onTitlePrinted()) 12624 pw.println(); 12625 pw.println("Verifiers:"); 12626 pw.print(" Required: "); 12627 pw.print(mRequiredVerifierPackage); 12628 pw.print(" (uid="); 12629 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12630 pw.println(")"); 12631 } else if (mRequiredVerifierPackage != null) { 12632 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12633 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12634 } 12635 } 12636 12637 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12638 boolean printedHeader = false; 12639 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12640 while (it.hasNext()) { 12641 String name = it.next(); 12642 SharedLibraryEntry ent = mSharedLibraries.get(name); 12643 if (!checkin) { 12644 if (!printedHeader) { 12645 if (dumpState.onTitlePrinted()) 12646 pw.println(); 12647 pw.println("Libraries:"); 12648 printedHeader = true; 12649 } 12650 pw.print(" "); 12651 } else { 12652 pw.print("lib,"); 12653 } 12654 pw.print(name); 12655 if (!checkin) { 12656 pw.print(" -> "); 12657 } 12658 if (ent.path != null) { 12659 if (!checkin) { 12660 pw.print("(jar) "); 12661 pw.print(ent.path); 12662 } else { 12663 pw.print(",jar,"); 12664 pw.print(ent.path); 12665 } 12666 } else { 12667 if (!checkin) { 12668 pw.print("(apk) "); 12669 pw.print(ent.apk); 12670 } else { 12671 pw.print(",apk,"); 12672 pw.print(ent.apk); 12673 } 12674 } 12675 pw.println(); 12676 } 12677 } 12678 12679 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12680 if (dumpState.onTitlePrinted()) 12681 pw.println(); 12682 if (!checkin) { 12683 pw.println("Features:"); 12684 } 12685 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12686 while (it.hasNext()) { 12687 String name = it.next(); 12688 if (!checkin) { 12689 pw.print(" "); 12690 } else { 12691 pw.print("feat,"); 12692 } 12693 pw.println(name); 12694 } 12695 } 12696 12697 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12698 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12699 : "Activity Resolver Table:", " ", packageName, 12700 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12701 dumpState.setTitlePrinted(true); 12702 } 12703 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12704 : "Receiver Resolver Table:", " ", packageName, 12705 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12706 dumpState.setTitlePrinted(true); 12707 } 12708 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12709 : "Service Resolver Table:", " ", packageName, 12710 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12711 dumpState.setTitlePrinted(true); 12712 } 12713 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12714 : "Provider Resolver Table:", " ", packageName, 12715 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12716 dumpState.setTitlePrinted(true); 12717 } 12718 } 12719 12720 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12721 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12722 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12723 int user = mSettings.mPreferredActivities.keyAt(i); 12724 if (pir.dump(pw, 12725 dumpState.getTitlePrinted() 12726 ? "\nPreferred Activities User " + user + ":" 12727 : "Preferred Activities User " + user + ":", " ", 12728 packageName, true, false)) { 12729 dumpState.setTitlePrinted(true); 12730 } 12731 } 12732 } 12733 12734 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12735 pw.flush(); 12736 FileOutputStream fout = new FileOutputStream(fd); 12737 BufferedOutputStream str = new BufferedOutputStream(fout); 12738 XmlSerializer serializer = new FastXmlSerializer(); 12739 try { 12740 serializer.setOutput(str, "utf-8"); 12741 serializer.startDocument(null, true); 12742 serializer.setFeature( 12743 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12744 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12745 serializer.endDocument(); 12746 serializer.flush(); 12747 } catch (IllegalArgumentException e) { 12748 pw.println("Failed writing: " + e); 12749 } catch (IllegalStateException e) { 12750 pw.println("Failed writing: " + e); 12751 } catch (IOException e) { 12752 pw.println("Failed writing: " + e); 12753 } 12754 } 12755 12756 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12757 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12758 if (packageName == null) { 12759 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12760 if (iperm == 0) { 12761 if (dumpState.onTitlePrinted()) 12762 pw.println(); 12763 pw.println("AppOp Permissions:"); 12764 } 12765 pw.print(" AppOp Permission "); 12766 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12767 pw.println(":"); 12768 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12769 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12770 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12771 } 12772 } 12773 } 12774 } 12775 12776 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12777 boolean printedSomething = false; 12778 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12779 if (packageName != null && !packageName.equals(p.info.packageName)) { 12780 continue; 12781 } 12782 if (!printedSomething) { 12783 if (dumpState.onTitlePrinted()) 12784 pw.println(); 12785 pw.println("Registered ContentProviders:"); 12786 printedSomething = true; 12787 } 12788 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12789 pw.print(" "); pw.println(p.toString()); 12790 } 12791 printedSomething = false; 12792 for (Map.Entry<String, PackageParser.Provider> entry : 12793 mProvidersByAuthority.entrySet()) { 12794 PackageParser.Provider p = entry.getValue(); 12795 if (packageName != null && !packageName.equals(p.info.packageName)) { 12796 continue; 12797 } 12798 if (!printedSomething) { 12799 if (dumpState.onTitlePrinted()) 12800 pw.println(); 12801 pw.println("ContentProvider Authorities:"); 12802 printedSomething = true; 12803 } 12804 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12805 pw.print(" "); pw.println(p.toString()); 12806 if (p.info != null && p.info.applicationInfo != null) { 12807 final String appInfo = p.info.applicationInfo.toString(); 12808 pw.print(" applicationInfo="); pw.println(appInfo); 12809 } 12810 } 12811 } 12812 12813 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12814 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12815 } 12816 12817 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12818 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12819 } 12820 12821 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12822 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12823 } 12824 12825 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12826 // XXX should handle packageName != null by dumping only install data that 12827 // the given package is involved with. 12828 if (dumpState.onTitlePrinted()) pw.println(); 12829 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12830 } 12831 12832 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12833 if (dumpState.onTitlePrinted()) pw.println(); 12834 mSettings.dumpReadMessagesLPr(pw, dumpState); 12835 12836 pw.println(); 12837 pw.println("Package warning messages:"); 12838 BufferedReader in = null; 12839 String line = null; 12840 try { 12841 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12842 while ((line = in.readLine()) != null) { 12843 if (line.contains("ignored: updated version")) continue; 12844 pw.println(line); 12845 } 12846 } catch (IOException ignored) { 12847 } finally { 12848 IoUtils.closeQuietly(in); 12849 } 12850 } 12851 12852 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12853 BufferedReader in = null; 12854 String line = null; 12855 try { 12856 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12857 while ((line = in.readLine()) != null) { 12858 if (line.contains("ignored: updated version")) continue; 12859 pw.print("msg,"); 12860 pw.println(line); 12861 } 12862 } catch (IOException ignored) { 12863 } finally { 12864 IoUtils.closeQuietly(in); 12865 } 12866 } 12867 } 12868 } 12869 12870 // ------- apps on sdcard specific code ------- 12871 static final boolean DEBUG_SD_INSTALL = false; 12872 12873 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12874 12875 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12876 12877 private boolean mMediaMounted = false; 12878 12879 static String getEncryptKey() { 12880 try { 12881 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12882 SD_ENCRYPTION_KEYSTORE_NAME); 12883 if (sdEncKey == null) { 12884 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12885 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12886 if (sdEncKey == null) { 12887 Slog.e(TAG, "Failed to create encryption keys"); 12888 return null; 12889 } 12890 } 12891 return sdEncKey; 12892 } catch (NoSuchAlgorithmException nsae) { 12893 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12894 return null; 12895 } catch (IOException ioe) { 12896 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12897 return null; 12898 } 12899 } 12900 12901 /* 12902 * Update media status on PackageManager. 12903 */ 12904 @Override 12905 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12906 int callingUid = Binder.getCallingUid(); 12907 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12908 throw new SecurityException("Media status can only be updated by the system"); 12909 } 12910 // reader; this apparently protects mMediaMounted, but should probably 12911 // be a different lock in that case. 12912 synchronized (mPackages) { 12913 Log.i(TAG, "Updating external media status from " 12914 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12915 + (mediaStatus ? "mounted" : "unmounted")); 12916 if (DEBUG_SD_INSTALL) 12917 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12918 + ", mMediaMounted=" + mMediaMounted); 12919 if (mediaStatus == mMediaMounted) { 12920 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12921 : 0, -1); 12922 mHandler.sendMessage(msg); 12923 return; 12924 } 12925 mMediaMounted = mediaStatus; 12926 } 12927 // Queue up an async operation since the package installation may take a 12928 // little while. 12929 mHandler.post(new Runnable() { 12930 public void run() { 12931 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12932 } 12933 }); 12934 } 12935 12936 /** 12937 * Called by MountService when the initial ASECs to scan are available. 12938 * Should block until all the ASEC containers are finished being scanned. 12939 */ 12940 public void scanAvailableAsecs() { 12941 updateExternalMediaStatusInner(true, false, false); 12942 if (mShouldRestoreconData) { 12943 SELinuxMMAC.setRestoreconDone(); 12944 mShouldRestoreconData = false; 12945 } 12946 } 12947 12948 /* 12949 * Collect information of applications on external media, map them against 12950 * existing containers and update information based on current mount status. 12951 * Please note that we always have to report status if reportStatus has been 12952 * set to true especially when unloading packages. 12953 */ 12954 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12955 boolean externalStorage) { 12956 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12957 int[] uidArr = EmptyArray.INT; 12958 12959 final String[] list = PackageHelper.getSecureContainerList(); 12960 if (ArrayUtils.isEmpty(list)) { 12961 Log.i(TAG, "No secure containers found"); 12962 } else { 12963 // Process list of secure containers and categorize them 12964 // as active or stale based on their package internal state. 12965 12966 // reader 12967 synchronized (mPackages) { 12968 for (String cid : list) { 12969 // Leave stages untouched for now; installer service owns them 12970 if (PackageInstallerService.isStageName(cid)) continue; 12971 12972 if (DEBUG_SD_INSTALL) 12973 Log.i(TAG, "Processing container " + cid); 12974 String pkgName = getAsecPackageName(cid); 12975 if (pkgName == null) { 12976 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12977 continue; 12978 } 12979 if (DEBUG_SD_INSTALL) 12980 Log.i(TAG, "Looking for pkg : " + pkgName); 12981 12982 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12983 if (ps == null) { 12984 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12985 continue; 12986 } 12987 12988 /* 12989 * Skip packages that are not external if we're unmounting 12990 * external storage. 12991 */ 12992 if (externalStorage && !isMounted && !isExternal(ps)) { 12993 continue; 12994 } 12995 12996 final AsecInstallArgs args = new AsecInstallArgs(cid, 12997 getAppDexInstructionSets(ps), ps.isForwardLocked()); 12998 // The package status is changed only if the code path 12999 // matches between settings and the container id. 13000 if (ps.codePathString != null 13001 && ps.codePathString.startsWith(args.getCodePath())) { 13002 if (DEBUG_SD_INSTALL) { 13003 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 13004 + " at code path: " + ps.codePathString); 13005 } 13006 13007 // We do have a valid package installed on sdcard 13008 processCids.put(args, ps.codePathString); 13009 final int uid = ps.appId; 13010 if (uid != -1) { 13011 uidArr = ArrayUtils.appendInt(uidArr, uid); 13012 } 13013 } else { 13014 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 13015 + ps.codePathString); 13016 } 13017 } 13018 } 13019 13020 Arrays.sort(uidArr); 13021 } 13022 13023 // Process packages with valid entries. 13024 if (isMounted) { 13025 if (DEBUG_SD_INSTALL) 13026 Log.i(TAG, "Loading packages"); 13027 loadMediaPackages(processCids, uidArr); 13028 startCleaningPackages(); 13029 mInstallerService.onSecureContainersAvailable(); 13030 } else { 13031 if (DEBUG_SD_INSTALL) 13032 Log.i(TAG, "Unloading packages"); 13033 unloadMediaPackages(processCids, uidArr, reportStatus); 13034 } 13035 } 13036 13037 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 13038 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 13039 int size = pkgList.size(); 13040 if (size > 0) { 13041 // Send broadcasts here 13042 Bundle extras = new Bundle(); 13043 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 13044 .toArray(new String[size])); 13045 if (uidArr != null) { 13046 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 13047 } 13048 if (replacing) { 13049 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 13050 } 13051 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 13052 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 13053 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 13054 } 13055 } 13056 13057 /* 13058 * Look at potentially valid container ids from processCids If package 13059 * information doesn't match the one on record or package scanning fails, 13060 * the cid is added to list of removeCids. We currently don't delete stale 13061 * containers. 13062 */ 13063 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 13064 ArrayList<String> pkgList = new ArrayList<String>(); 13065 Set<AsecInstallArgs> keys = processCids.keySet(); 13066 13067 for (AsecInstallArgs args : keys) { 13068 String codePath = processCids.get(args); 13069 if (DEBUG_SD_INSTALL) 13070 Log.i(TAG, "Loading container : " + args.cid); 13071 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13072 try { 13073 // Make sure there are no container errors first. 13074 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 13075 Slog.e(TAG, "Failed to mount cid : " + args.cid 13076 + " when installing from sdcard"); 13077 continue; 13078 } 13079 // Check code path here. 13080 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 13081 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 13082 + " does not match one in settings " + codePath); 13083 continue; 13084 } 13085 // Parse package 13086 int parseFlags = mDefParseFlags; 13087 if (args.isExternal()) { 13088 parseFlags |= PackageParser.PARSE_ON_SDCARD; 13089 } 13090 if (args.isFwdLocked()) { 13091 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 13092 } 13093 13094 synchronized (mInstallLock) { 13095 PackageParser.Package pkg = null; 13096 try { 13097 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 13098 } catch (PackageManagerException e) { 13099 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 13100 } 13101 // Scan the package 13102 if (pkg != null) { 13103 /* 13104 * TODO why is the lock being held? doPostInstall is 13105 * called in other places without the lock. This needs 13106 * to be straightened out. 13107 */ 13108 // writer 13109 synchronized (mPackages) { 13110 retCode = PackageManager.INSTALL_SUCCEEDED; 13111 pkgList.add(pkg.packageName); 13112 // Post process args 13113 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 13114 pkg.applicationInfo.uid); 13115 } 13116 } else { 13117 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 13118 } 13119 } 13120 13121 } finally { 13122 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 13123 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 13124 } 13125 } 13126 } 13127 // writer 13128 synchronized (mPackages) { 13129 // If the platform SDK has changed since the last time we booted, 13130 // we need to re-grant app permission to catch any new ones that 13131 // appear. This is really a hack, and means that apps can in some 13132 // cases get permissions that the user didn't initially explicitly 13133 // allow... it would be nice to have some better way to handle 13134 // this situation. 13135 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 13136 if (regrantPermissions) 13137 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 13138 + mSdkVersion + "; regranting permissions for external storage"); 13139 mSettings.mExternalSdkPlatform = mSdkVersion; 13140 13141 // Make sure group IDs have been assigned, and any permission 13142 // changes in other apps are accounted for 13143 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 13144 | (regrantPermissions 13145 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 13146 : 0)); 13147 13148 mSettings.updateExternalDatabaseVersion(); 13149 13150 // can downgrade to reader 13151 // Persist settings 13152 mSettings.writeLPr(); 13153 } 13154 // Send a broadcast to let everyone know we are done processing 13155 if (pkgList.size() > 0) { 13156 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13157 } 13158 } 13159 13160 /* 13161 * Utility method to unload a list of specified containers 13162 */ 13163 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 13164 // Just unmount all valid containers. 13165 for (AsecInstallArgs arg : cidArgs) { 13166 synchronized (mInstallLock) { 13167 arg.doPostDeleteLI(false); 13168 } 13169 } 13170 } 13171 13172 /* 13173 * Unload packages mounted on external media. This involves deleting package 13174 * data from internal structures, sending broadcasts about diabled packages, 13175 * gc'ing to free up references, unmounting all secure containers 13176 * corresponding to packages on external media, and posting a 13177 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 13178 * that we always have to post this message if status has been requested no 13179 * matter what. 13180 */ 13181 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 13182 final boolean reportStatus) { 13183 if (DEBUG_SD_INSTALL) 13184 Log.i(TAG, "unloading media packages"); 13185 ArrayList<String> pkgList = new ArrayList<String>(); 13186 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 13187 final Set<AsecInstallArgs> keys = processCids.keySet(); 13188 for (AsecInstallArgs args : keys) { 13189 String pkgName = args.getPackageName(); 13190 if (DEBUG_SD_INSTALL) 13191 Log.i(TAG, "Trying to unload pkg : " + pkgName); 13192 // Delete package internally 13193 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 13194 synchronized (mInstallLock) { 13195 boolean res = deletePackageLI(pkgName, null, false, null, null, 13196 PackageManager.DELETE_KEEP_DATA, outInfo, false); 13197 if (res) { 13198 pkgList.add(pkgName); 13199 } else { 13200 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 13201 failedList.add(args); 13202 } 13203 } 13204 } 13205 13206 // reader 13207 synchronized (mPackages) { 13208 // We didn't update the settings after removing each package; 13209 // write them now for all packages. 13210 mSettings.writeLPr(); 13211 } 13212 13213 // We have to absolutely send UPDATED_MEDIA_STATUS only 13214 // after confirming that all the receivers processed the ordered 13215 // broadcast when packages get disabled, force a gc to clean things up. 13216 // and unload all the containers. 13217 if (pkgList.size() > 0) { 13218 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13219 new IIntentReceiver.Stub() { 13220 public void performReceive(Intent intent, int resultCode, String data, 13221 Bundle extras, boolean ordered, boolean sticky, 13222 int sendingUser) throws RemoteException { 13223 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13224 reportStatus ? 1 : 0, 1, keys); 13225 mHandler.sendMessage(msg); 13226 } 13227 }); 13228 } else { 13229 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13230 keys); 13231 mHandler.sendMessage(msg); 13232 } 13233 } 13234 13235 /** Binder call */ 13236 @Override 13237 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13238 final int flags) { 13239 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13240 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13241 int returnCode = PackageManager.MOVE_SUCCEEDED; 13242 int currInstallFlags = 0; 13243 int newInstallFlags = 0; 13244 13245 File codeFile = null; 13246 String installerPackageName = null; 13247 String packageAbiOverride = null; 13248 13249 // reader 13250 synchronized (mPackages) { 13251 final PackageParser.Package pkg = mPackages.get(packageName); 13252 final PackageSetting ps = mSettings.mPackages.get(packageName); 13253 if (pkg == null || ps == null) { 13254 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13255 } else { 13256 // Disable moving fwd locked apps and system packages 13257 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13258 Slog.w(TAG, "Cannot move system application"); 13259 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13260 } else if (pkg.mOperationPending) { 13261 Slog.w(TAG, "Attempt to move package which has pending operations"); 13262 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13263 } else { 13264 // Find install location first 13265 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13266 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13267 Slog.w(TAG, "Ambigous flags specified for move location."); 13268 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13269 } else { 13270 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13271 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13272 currInstallFlags = isExternal(pkg) 13273 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13274 13275 if (newInstallFlags == currInstallFlags) { 13276 Slog.w(TAG, "No move required. Trying to move to same location"); 13277 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13278 } else { 13279 if (pkg.isForwardLocked()) { 13280 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13281 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13282 } 13283 } 13284 } 13285 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13286 pkg.mOperationPending = true; 13287 } 13288 } 13289 13290 codeFile = new File(pkg.codePath); 13291 installerPackageName = ps.installerPackageName; 13292 packageAbiOverride = ps.cpuAbiOverrideString; 13293 } 13294 } 13295 13296 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13297 try { 13298 observer.packageMoved(packageName, returnCode); 13299 } catch (RemoteException ignored) { 13300 } 13301 return; 13302 } 13303 13304 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13305 @Override 13306 public void onUserActionRequired(Intent intent) throws RemoteException { 13307 throw new IllegalStateException(); 13308 } 13309 13310 @Override 13311 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13312 Bundle extras) throws RemoteException { 13313 Slog.d(TAG, "Install result for move: " 13314 + PackageManager.installStatusToString(returnCode, msg)); 13315 13316 // We usually have a new package now after the install, but if 13317 // we failed we need to clear the pending flag on the original 13318 // package object. 13319 synchronized (mPackages) { 13320 final PackageParser.Package pkg = mPackages.get(packageName); 13321 if (pkg != null) { 13322 pkg.mOperationPending = false; 13323 } 13324 } 13325 13326 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13327 switch (status) { 13328 case PackageInstaller.STATUS_SUCCESS: 13329 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13330 break; 13331 case PackageInstaller.STATUS_FAILURE_STORAGE: 13332 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13333 break; 13334 default: 13335 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13336 break; 13337 } 13338 } 13339 }; 13340 13341 // Treat a move like reinstalling an existing app, which ensures that we 13342 // process everythign uniformly, like unpacking native libraries. 13343 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13344 13345 final Message msg = mHandler.obtainMessage(INIT_COPY); 13346 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13347 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13348 installerPackageName, null, user, packageAbiOverride); 13349 mHandler.sendMessage(msg); 13350 } 13351 13352 @Override 13353 public boolean setInstallLocation(int loc) { 13354 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13355 null); 13356 if (getInstallLocation() == loc) { 13357 return true; 13358 } 13359 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13360 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13361 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13362 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13363 return true; 13364 } 13365 return false; 13366 } 13367 13368 @Override 13369 public int getInstallLocation() { 13370 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13371 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13372 PackageHelper.APP_INSTALL_AUTO); 13373 } 13374 13375 /** Called by UserManagerService */ 13376 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13377 mDirtyUsers.remove(userHandle); 13378 mSettings.removeUserLPw(userHandle); 13379 mPendingBroadcasts.remove(userHandle); 13380 if (mInstaller != null) { 13381 // Technically, we shouldn't be doing this with the package lock 13382 // held. However, this is very rare, and there is already so much 13383 // other disk I/O going on, that we'll let it slide for now. 13384 mInstaller.removeUserDataDirs(userHandle); 13385 } 13386 mUserNeedsBadging.delete(userHandle); 13387 removeUnusedPackagesLILPw(userManager, userHandle); 13388 } 13389 13390 /** 13391 * We're removing userHandle and would like to remove any downloaded packages 13392 * that are no longer in use by any other user. 13393 * @param userHandle the user being removed 13394 */ 13395 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13396 final boolean DEBUG_CLEAN_APKS = false; 13397 int [] users = userManager.getUserIdsLPr(); 13398 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13399 while (psit.hasNext()) { 13400 PackageSetting ps = psit.next(); 13401 if (ps.pkg == null) { 13402 continue; 13403 } 13404 final String packageName = ps.pkg.packageName; 13405 // Skip over if system app 13406 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13407 continue; 13408 } 13409 if (DEBUG_CLEAN_APKS) { 13410 Slog.i(TAG, "Checking package " + packageName); 13411 } 13412 boolean keep = false; 13413 for (int i = 0; i < users.length; i++) { 13414 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13415 keep = true; 13416 if (DEBUG_CLEAN_APKS) { 13417 Slog.i(TAG, " Keeping package " + packageName + " for user " 13418 + users[i]); 13419 } 13420 break; 13421 } 13422 } 13423 if (!keep) { 13424 if (DEBUG_CLEAN_APKS) { 13425 Slog.i(TAG, " Removing package " + packageName); 13426 } 13427 mHandler.post(new Runnable() { 13428 public void run() { 13429 deletePackageX(packageName, userHandle, 0); 13430 } //end run 13431 }); 13432 } 13433 } 13434 } 13435 13436 /** Called by UserManagerService */ 13437 void createNewUserLILPw(int userHandle, File path) { 13438 if (mInstaller != null) { 13439 mInstaller.createUserConfig(userHandle); 13440 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13441 } 13442 } 13443 13444 void newUserCreatedLILPw(int userHandle) { 13445 // Adding a user requires updating runtime permissions for system apps. 13446 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 13447 } 13448 13449 @Override 13450 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13451 mContext.enforceCallingOrSelfPermission( 13452 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13453 "Only package verification agents can read the verifier device identity"); 13454 13455 synchronized (mPackages) { 13456 return mSettings.getVerifierDeviceIdentityLPw(); 13457 } 13458 } 13459 13460 @Override 13461 public void setPermissionEnforced(String permission, boolean enforced) { 13462 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13463 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13464 synchronized (mPackages) { 13465 if (mSettings.mReadExternalStorageEnforced == null 13466 || mSettings.mReadExternalStorageEnforced != enforced) { 13467 mSettings.mReadExternalStorageEnforced = enforced; 13468 mSettings.writeLPr(); 13469 } 13470 } 13471 // kill any non-foreground processes so we restart them and 13472 // grant/revoke the GID. 13473 final IActivityManager am = ActivityManagerNative.getDefault(); 13474 if (am != null) { 13475 final long token = Binder.clearCallingIdentity(); 13476 try { 13477 am.killProcessesBelowForeground("setPermissionEnforcement"); 13478 } catch (RemoteException e) { 13479 } finally { 13480 Binder.restoreCallingIdentity(token); 13481 } 13482 } 13483 } else { 13484 throw new IllegalArgumentException("No selective enforcement for " + permission); 13485 } 13486 } 13487 13488 @Override 13489 @Deprecated 13490 public boolean isPermissionEnforced(String permission) { 13491 return true; 13492 } 13493 13494 @Override 13495 public boolean isStorageLow() { 13496 final long token = Binder.clearCallingIdentity(); 13497 try { 13498 final DeviceStorageMonitorInternal 13499 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13500 if (dsm != null) { 13501 return dsm.isMemoryLow(); 13502 } else { 13503 return false; 13504 } 13505 } finally { 13506 Binder.restoreCallingIdentity(token); 13507 } 13508 } 13509 13510 @Override 13511 public IPackageInstaller getPackageInstaller() { 13512 return mInstallerService; 13513 } 13514 13515 private boolean userNeedsBadging(int userId) { 13516 int index = mUserNeedsBadging.indexOfKey(userId); 13517 if (index < 0) { 13518 final UserInfo userInfo; 13519 final long token = Binder.clearCallingIdentity(); 13520 try { 13521 userInfo = sUserManager.getUserInfo(userId); 13522 } finally { 13523 Binder.restoreCallingIdentity(token); 13524 } 13525 final boolean b; 13526 if (userInfo != null && userInfo.isManagedProfile()) { 13527 b = true; 13528 } else { 13529 b = false; 13530 } 13531 mUserNeedsBadging.put(userId, b); 13532 return b; 13533 } 13534 return mUserNeedsBadging.valueAt(index); 13535 } 13536 13537 @Override 13538 public KeySet getKeySetByAlias(String packageName, String alias) { 13539 if (packageName == null || alias == null) { 13540 return null; 13541 } 13542 synchronized(mPackages) { 13543 final PackageParser.Package pkg = mPackages.get(packageName); 13544 if (pkg == null) { 13545 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13546 throw new IllegalArgumentException("Unknown package: " + packageName); 13547 } 13548 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13549 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13550 } 13551 } 13552 13553 @Override 13554 public KeySet getSigningKeySet(String packageName) { 13555 if (packageName == null) { 13556 return null; 13557 } 13558 synchronized(mPackages) { 13559 final PackageParser.Package pkg = mPackages.get(packageName); 13560 if (pkg == null) { 13561 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13562 throw new IllegalArgumentException("Unknown package: " + packageName); 13563 } 13564 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13565 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13566 throw new SecurityException("May not access signing KeySet of other apps."); 13567 } 13568 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13569 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13570 } 13571 } 13572 13573 @Override 13574 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13575 if (packageName == null || ks == null) { 13576 return false; 13577 } 13578 synchronized(mPackages) { 13579 final PackageParser.Package pkg = mPackages.get(packageName); 13580 if (pkg == null) { 13581 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13582 throw new IllegalArgumentException("Unknown package: " + packageName); 13583 } 13584 IBinder ksh = ks.getToken(); 13585 if (ksh instanceof KeySetHandle) { 13586 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13587 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13588 } 13589 return false; 13590 } 13591 } 13592 13593 @Override 13594 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13595 if (packageName == null || ks == null) { 13596 return false; 13597 } 13598 synchronized(mPackages) { 13599 final PackageParser.Package pkg = mPackages.get(packageName); 13600 if (pkg == null) { 13601 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13602 throw new IllegalArgumentException("Unknown package: " + packageName); 13603 } 13604 IBinder ksh = ks.getToken(); 13605 if (ksh instanceof KeySetHandle) { 13606 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13607 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13608 } 13609 return false; 13610 } 13611 } 13612 13613 public void getUsageStatsIfNoPackageUsageInfo() { 13614 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13615 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13616 if (usm == null) { 13617 throw new IllegalStateException("UsageStatsManager must be initialized"); 13618 } 13619 long now = System.currentTimeMillis(); 13620 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13621 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13622 String packageName = entry.getKey(); 13623 PackageParser.Package pkg = mPackages.get(packageName); 13624 if (pkg == null) { 13625 continue; 13626 } 13627 UsageStats usage = entry.getValue(); 13628 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13629 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13630 } 13631 } 13632 } 13633 13634 /** 13635 * Check and throw if the given before/after packages would be considered a 13636 * downgrade. 13637 */ 13638 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13639 throws PackageManagerException { 13640 if (after.versionCode < before.mVersionCode) { 13641 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13642 "Update version code " + after.versionCode + " is older than current " 13643 + before.mVersionCode); 13644 } else if (after.versionCode == before.mVersionCode) { 13645 if (after.baseRevisionCode < before.baseRevisionCode) { 13646 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13647 "Update base revision code " + after.baseRevisionCode 13648 + " is older than current " + before.baseRevisionCode); 13649 } 13650 13651 if (!ArrayUtils.isEmpty(after.splitNames)) { 13652 for (int i = 0; i < after.splitNames.length; i++) { 13653 final String splitName = after.splitNames[i]; 13654 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13655 if (j != -1) { 13656 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13657 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13658 "Update split " + splitName + " revision code " 13659 + after.splitRevisionCodes[i] + " is older than current " 13660 + before.splitRevisionCodes[j]); 13661 } 13662 } 13663 } 13664 } 13665 } 13666 } 13667} 13668