PackageManagerService.java revision 53651b9982f53236b767d766e85ec0ce3acc6f0f
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.internal.util.ArrayUtils.removeInt; 58 59import android.util.ArrayMap; 60 61import com.android.internal.R; 62import com.android.internal.app.IMediaContainerService; 63import com.android.internal.app.ResolverActivity; 64import com.android.internal.content.NativeLibraryHelper; 65import com.android.internal.content.PackageHelper; 66import com.android.internal.os.IParcelFileDescriptorFactory; 67import com.android.internal.util.ArrayUtils; 68import com.android.internal.util.FastPrintWriter; 69import com.android.internal.util.FastXmlSerializer; 70import com.android.internal.util.IndentingPrintWriter; 71import com.android.server.EventLogTags; 72import com.android.server.IntentResolver; 73import com.android.server.LocalServices; 74import com.android.server.ServiceThread; 75import com.android.server.SystemConfig; 76import com.android.server.Watchdog; 77import com.android.server.pm.Settings.DatabaseVersion; 78import com.android.server.storage.DeviceStorageMonitorInternal; 79 80import org.xmlpull.v1.XmlSerializer; 81 82import android.app.ActivityManager; 83import android.app.ActivityManagerNative; 84import android.app.AppGlobals; 85import android.app.IActivityManager; 86import android.app.admin.IDevicePolicyManager; 87import android.app.backup.IBackupManager; 88import android.app.usage.UsageStats; 89import android.app.usage.UsageStatsManager; 90import android.content.BroadcastReceiver; 91import android.content.ComponentName; 92import android.content.Context; 93import android.content.IIntentReceiver; 94import android.content.Intent; 95import android.content.IntentFilter; 96import android.content.IntentSender; 97import android.content.IntentSender.SendIntentException; 98import android.content.ServiceConnection; 99import android.content.pm.ActivityInfo; 100import android.content.pm.ApplicationInfo; 101import android.content.pm.FeatureInfo; 102import android.content.pm.IPackageDataObserver; 103import android.content.pm.IPackageDeleteObserver; 104import android.content.pm.IPackageDeleteObserver2; 105import android.content.pm.IPackageInstallObserver2; 106import android.content.pm.IPackageInstaller; 107import android.content.pm.IPackageManager; 108import android.content.pm.IPackageMoveObserver; 109import android.content.pm.IPackageStatsObserver; 110import android.content.pm.InstrumentationInfo; 111import android.content.pm.KeySet; 112import android.content.pm.ManifestDigest; 113import android.content.pm.PackageCleanItem; 114import android.content.pm.PackageInfo; 115import android.content.pm.PackageInfoLite; 116import android.content.pm.PackageInstaller; 117import android.content.pm.PackageManager; 118import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 119import android.content.pm.PackageParser.ActivityIntentInfo; 120import android.content.pm.PackageParser.PackageLite; 121import android.content.pm.PackageParser.PackageParserException; 122import android.content.pm.PackageParser; 123import android.content.pm.PackageStats; 124import android.content.pm.PackageUserState; 125import android.content.pm.ParceledListSlice; 126import android.content.pm.PermissionGroupInfo; 127import android.content.pm.PermissionInfo; 128import android.content.pm.ProviderInfo; 129import android.content.pm.ResolveInfo; 130import android.content.pm.ServiceInfo; 131import android.content.pm.Signature; 132import android.content.pm.UserInfo; 133import android.content.pm.VerificationParams; 134import android.content.pm.VerifierDeviceIdentity; 135import android.content.pm.VerifierInfo; 136import android.content.res.Resources; 137import android.hardware.display.DisplayManager; 138import android.net.Uri; 139import android.os.Binder; 140import android.os.Build; 141import android.os.Bundle; 142import android.os.Environment; 143import android.os.Environment.UserEnvironment; 144import android.os.storage.IMountService; 145import android.os.storage.StorageManager; 146import android.os.Debug; 147import android.os.FileUtils; 148import android.os.Handler; 149import android.os.IBinder; 150import android.os.Looper; 151import android.os.Message; 152import android.os.Parcel; 153import android.os.ParcelFileDescriptor; 154import android.os.Process; 155import android.os.RemoteException; 156import android.os.SELinux; 157import android.os.ServiceManager; 158import android.os.SystemClock; 159import android.os.SystemProperties; 160import android.os.UserHandle; 161import android.os.UserManager; 162import android.security.KeyStore; 163import android.security.SystemKeyStore; 164import android.system.ErrnoException; 165import android.system.Os; 166import android.system.StructStat; 167import android.text.TextUtils; 168import android.text.format.DateUtils; 169import android.util.ArraySet; 170import android.util.AtomicFile; 171import android.util.DisplayMetrics; 172import android.util.EventLog; 173import android.util.ExceptionUtils; 174import android.util.Log; 175import android.util.LogPrinter; 176import android.util.PrintStreamPrinter; 177import android.util.Slog; 178import android.util.SparseArray; 179import android.util.SparseBooleanArray; 180import android.view.Display; 181 182import java.io.BufferedInputStream; 183import java.io.BufferedOutputStream; 184import java.io.BufferedReader; 185import java.io.File; 186import java.io.FileDescriptor; 187import java.io.FileInputStream; 188import java.io.FileNotFoundException; 189import java.io.FileOutputStream; 190import java.io.FileReader; 191import java.io.FilenameFilter; 192import java.io.IOException; 193import java.io.InputStream; 194import java.io.PrintWriter; 195import java.nio.charset.StandardCharsets; 196import java.security.NoSuchAlgorithmException; 197import java.security.PublicKey; 198import java.security.cert.CertificateEncodingException; 199import java.security.cert.CertificateException; 200import java.text.SimpleDateFormat; 201import java.util.ArrayList; 202import java.util.Arrays; 203import java.util.Collection; 204import java.util.Collections; 205import java.util.Comparator; 206import java.util.Date; 207import java.util.Iterator; 208import java.util.List; 209import java.util.Map; 210import java.util.Objects; 211import java.util.Set; 212import java.util.concurrent.atomic.AtomicBoolean; 213import java.util.concurrent.atomic.AtomicLong; 214 215import dalvik.system.DexFile; 216import dalvik.system.StaleDexCacheError; 217import dalvik.system.VMRuntime; 218 219import libcore.io.IoUtils; 220import libcore.util.EmptyArray; 221 222/** 223 * Keep track of all those .apks everywhere. 224 * 225 * This is very central to the platform's security; please run the unit 226 * tests whenever making modifications here: 227 * 228mmm frameworks/base/tests/AndroidTests 229adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 230adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 231 * 232 * {@hide} 233 */ 234public class PackageManagerService extends IPackageManager.Stub { 235 static final String TAG = "PackageManager"; 236 static final boolean DEBUG_SETTINGS = false; 237 static final boolean DEBUG_PREFERRED = false; 238 static final boolean DEBUG_UPGRADE = false; 239 private static final boolean DEBUG_INSTALL = false; 240 private static final boolean DEBUG_REMOVE = false; 241 private static final boolean DEBUG_BROADCASTS = false; 242 private static final boolean DEBUG_SHOW_INFO = false; 243 private static final boolean DEBUG_PACKAGE_INFO = false; 244 private static final boolean DEBUG_INTENT_MATCHING = false; 245 private static final boolean DEBUG_PACKAGE_SCANNING = false; 246 private static final boolean DEBUG_VERIFY = false; 247 private static final boolean DEBUG_DEXOPT = false; 248 private static final boolean DEBUG_ABI_SELECTION = false; 249 250 private static final int RADIO_UID = Process.PHONE_UID; 251 private static final int LOG_UID = Process.LOG_UID; 252 private static final int NFC_UID = Process.NFC_UID; 253 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 254 private static final int SHELL_UID = Process.SHELL_UID; 255 256 // Cap the size of permission trees that 3rd party apps can define 257 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 258 259 // Suffix used during package installation when copying/moving 260 // package apks to install directory. 261 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 262 263 static final int SCAN_NO_DEX = 1<<1; 264 static final int SCAN_FORCE_DEX = 1<<2; 265 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 266 static final int SCAN_NEW_INSTALL = 1<<4; 267 static final int SCAN_NO_PATHS = 1<<5; 268 static final int SCAN_UPDATE_TIME = 1<<6; 269 static final int SCAN_DEFER_DEX = 1<<7; 270 static final int SCAN_BOOTING = 1<<8; 271 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 272 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 273 static final int SCAN_REPLACING = 1<<11; 274 275 static final int REMOVE_CHATTY = 1<<16; 276 277 /** 278 * Timeout (in milliseconds) after which the watchdog should declare that 279 * our handler thread is wedged. The usual default for such things is one 280 * minute but we sometimes do very lengthy I/O operations on this thread, 281 * such as installing multi-gigabyte applications, so ours needs to be longer. 282 */ 283 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 284 285 /** 286 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 287 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 288 * settings entry if available, otherwise we use the hardcoded default. If it's been 289 * more than this long since the last fstrim, we force one during the boot sequence. 290 * 291 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 292 * one gets run at the next available charging+idle time. This final mandatory 293 * no-fstrim check kicks in only of the other scheduling criteria is never met. 294 */ 295 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 296 297 /** 298 * Whether verification is enabled by default. 299 */ 300 private static final boolean DEFAULT_VERIFY_ENABLE = true; 301 302 /** 303 * The default maximum time to wait for the verification agent to return in 304 * milliseconds. 305 */ 306 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 307 308 /** 309 * The default response for package verification timeout. 310 * 311 * This can be either PackageManager.VERIFICATION_ALLOW or 312 * PackageManager.VERIFICATION_REJECT. 313 */ 314 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 315 316 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 317 318 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 319 DEFAULT_CONTAINER_PACKAGE, 320 "com.android.defcontainer.DefaultContainerService"); 321 322 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 323 324 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 325 326 private static String sPreferredInstructionSet; 327 328 final ServiceThread mHandlerThread; 329 330 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 331 private static final String IDMAP_SUFFIX = "@idmap"; 332 333 final PackageHandler mHandler; 334 335 /** 336 * Messages for {@link #mHandler} that need to wait for system ready before 337 * being dispatched. 338 */ 339 private ArrayList<Message> mPostSystemReadyMessages; 340 341 final int mSdkVersion = Build.VERSION.SDK_INT; 342 343 final Context mContext; 344 final boolean mFactoryTest; 345 final boolean mOnlyCore; 346 final boolean mLazyDexOpt; 347 final long mDexOptLRUThresholdInMills; 348 final DisplayMetrics mMetrics; 349 final int mDefParseFlags; 350 final String[] mSeparateProcesses; 351 final boolean mIsUpgrade; 352 353 // This is where all application persistent data goes. 354 final File mAppDataDir; 355 356 // This is where all application persistent data goes for secondary users. 357 final File mUserAppDataDir; 358 359 /** The location for ASEC container files on internal storage. */ 360 final String mAsecInternalPath; 361 362 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 363 // LOCK HELD. Can be called with mInstallLock held. 364 final Installer mInstaller; 365 366 /** Directory where installed third-party apps stored */ 367 final File mAppInstallDir; 368 369 /** 370 * Directory to which applications installed internally have their 371 * 32 bit native libraries copied. 372 */ 373 private File mAppLib32InstallDir; 374 375 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 376 // apps. 377 final File mDrmAppPrivateInstallDir; 378 379 // ---------------------------------------------------------------- 380 381 // Lock for state used when installing and doing other long running 382 // operations. Methods that must be called with this lock held have 383 // the suffix "LI". 384 final Object mInstallLock = new Object(); 385 386 // ---------------------------------------------------------------- 387 388 // Keys are String (package name), values are Package. This also serves 389 // as the lock for the global state. Methods that must be called with 390 // this lock held have the prefix "LP". 391 final ArrayMap<String, PackageParser.Package> mPackages = 392 new ArrayMap<String, PackageParser.Package>(); 393 394 // Tracks available target package names -> overlay package paths. 395 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 396 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 397 398 final Settings mSettings; 399 boolean mRestoredSettings; 400 401 // System configuration read by SystemConfig. 402 final int[] mGlobalGids; 403 final SparseArray<ArraySet<String>> mSystemPermissions; 404 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 405 406 // If mac_permissions.xml was found for seinfo labeling. 407 boolean mFoundPolicyFile; 408 409 // If a recursive restorecon of /data/data/<pkg> is needed. 410 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 411 412 public static final class SharedLibraryEntry { 413 public final String path; 414 public final String apk; 415 416 SharedLibraryEntry(String _path, String _apk) { 417 path = _path; 418 apk = _apk; 419 } 420 } 421 422 // Currently known shared libraries. 423 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 424 new ArrayMap<String, SharedLibraryEntry>(); 425 426 // All available activities, for your resolving pleasure. 427 final ActivityIntentResolver mActivities = 428 new ActivityIntentResolver(); 429 430 // All available receivers, for your resolving pleasure. 431 final ActivityIntentResolver mReceivers = 432 new ActivityIntentResolver(); 433 434 // All available services, for your resolving pleasure. 435 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 436 437 // All available providers, for your resolving pleasure. 438 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 439 440 // Mapping from provider base names (first directory in content URI codePath) 441 // to the provider information. 442 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 443 new ArrayMap<String, PackageParser.Provider>(); 444 445 // Mapping from instrumentation class names to info about them. 446 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 447 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 448 449 // Mapping from permission names to info about them. 450 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 451 new ArrayMap<String, PackageParser.PermissionGroup>(); 452 453 // Packages whose data we have transfered into another package, thus 454 // should no longer exist. 455 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 456 457 // Broadcast actions that are only available to the system. 458 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 459 460 /** List of packages waiting for verification. */ 461 final SparseArray<PackageVerificationState> mPendingVerification 462 = new SparseArray<PackageVerificationState>(); 463 464 /** Set of packages associated with each app op permission. */ 465 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 466 467 final PackageInstallerService mInstallerService; 468 469 ArraySet<PackageParser.Package> mDeferredDexOpt = null; 470 471 // Cache of users who need badging. 472 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 473 474 /** Token for keys in mPendingVerification. */ 475 private int mPendingVerificationToken = 0; 476 477 volatile boolean mSystemReady; 478 volatile boolean mSafeMode; 479 volatile boolean mHasSystemUidErrors; 480 481 ApplicationInfo mAndroidApplication; 482 final ActivityInfo mResolveActivity = new ActivityInfo(); 483 final ResolveInfo mResolveInfo = new ResolveInfo(); 484 ComponentName mResolveComponentName; 485 PackageParser.Package mPlatformPackage; 486 ComponentName mCustomResolverComponentName; 487 488 boolean mResolverReplaced = false; 489 490 // Set of pending broadcasts for aggregating enable/disable of components. 491 static class PendingPackageBroadcasts { 492 // for each user id, a map of <package name -> components within that package> 493 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 494 495 public PendingPackageBroadcasts() { 496 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 497 } 498 499 public ArrayList<String> get(int userId, String packageName) { 500 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 501 return packages.get(packageName); 502 } 503 504 public void put(int userId, String packageName, ArrayList<String> components) { 505 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 506 packages.put(packageName, components); 507 } 508 509 public void remove(int userId, String packageName) { 510 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 511 if (packages != null) { 512 packages.remove(packageName); 513 } 514 } 515 516 public void remove(int userId) { 517 mUidMap.remove(userId); 518 } 519 520 public int userIdCount() { 521 return mUidMap.size(); 522 } 523 524 public int userIdAt(int n) { 525 return mUidMap.keyAt(n); 526 } 527 528 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 529 return mUidMap.get(userId); 530 } 531 532 public int size() { 533 // total number of pending broadcast entries across all userIds 534 int num = 0; 535 for (int i = 0; i< mUidMap.size(); i++) { 536 num += mUidMap.valueAt(i).size(); 537 } 538 return num; 539 } 540 541 public void clear() { 542 mUidMap.clear(); 543 } 544 545 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 546 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 547 if (map == null) { 548 map = new ArrayMap<String, ArrayList<String>>(); 549 mUidMap.put(userId, map); 550 } 551 return map; 552 } 553 } 554 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 555 556 // Service Connection to remote media container service to copy 557 // package uri's from external media onto secure containers 558 // or internal storage. 559 private IMediaContainerService mContainerService = null; 560 561 static final int SEND_PENDING_BROADCAST = 1; 562 static final int MCS_BOUND = 3; 563 static final int END_COPY = 4; 564 static final int INIT_COPY = 5; 565 static final int MCS_UNBIND = 6; 566 static final int START_CLEANING_PACKAGE = 7; 567 static final int FIND_INSTALL_LOC = 8; 568 static final int POST_INSTALL = 9; 569 static final int MCS_RECONNECT = 10; 570 static final int MCS_GIVE_UP = 11; 571 static final int UPDATED_MEDIA_STATUS = 12; 572 static final int WRITE_SETTINGS = 13; 573 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 574 static final int PACKAGE_VERIFIED = 15; 575 static final int CHECK_PENDING_VERIFICATION = 16; 576 577 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 578 579 // Delay time in millisecs 580 static final int BROADCAST_DELAY = 10 * 1000; 581 582 static UserManagerService sUserManager; 583 584 // Stores a list of users whose package restrictions file needs to be updated 585 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 586 587 final private DefaultContainerConnection mDefContainerConn = 588 new DefaultContainerConnection(); 589 class DefaultContainerConnection implements ServiceConnection { 590 public void onServiceConnected(ComponentName name, IBinder service) { 591 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 592 IMediaContainerService imcs = 593 IMediaContainerService.Stub.asInterface(service); 594 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 595 } 596 597 public void onServiceDisconnected(ComponentName name) { 598 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 599 } 600 }; 601 602 // Recordkeeping of restore-after-install operations that are currently in flight 603 // between the Package Manager and the Backup Manager 604 class PostInstallData { 605 public InstallArgs args; 606 public PackageInstalledInfo res; 607 608 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 609 args = _a; 610 res = _r; 611 } 612 }; 613 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 614 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 615 616 private final String mRequiredVerifierPackage; 617 618 private final PackageUsage mPackageUsage = new PackageUsage(); 619 620 private class PackageUsage { 621 private static final int WRITE_INTERVAL 622 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 623 624 private final Object mFileLock = new Object(); 625 private final AtomicLong mLastWritten = new AtomicLong(0); 626 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 627 628 private boolean mIsHistoricalPackageUsageAvailable = true; 629 630 boolean isHistoricalPackageUsageAvailable() { 631 return mIsHistoricalPackageUsageAvailable; 632 } 633 634 void write(boolean force) { 635 if (force) { 636 writeInternal(); 637 return; 638 } 639 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 640 && !DEBUG_DEXOPT) { 641 return; 642 } 643 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 644 new Thread("PackageUsage_DiskWriter") { 645 @Override 646 public void run() { 647 try { 648 writeInternal(); 649 } finally { 650 mBackgroundWriteRunning.set(false); 651 } 652 } 653 }.start(); 654 } 655 } 656 657 private void writeInternal() { 658 synchronized (mPackages) { 659 synchronized (mFileLock) { 660 AtomicFile file = getFile(); 661 FileOutputStream f = null; 662 try { 663 f = file.startWrite(); 664 BufferedOutputStream out = new BufferedOutputStream(f); 665 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 666 StringBuilder sb = new StringBuilder(); 667 for (PackageParser.Package pkg : mPackages.values()) { 668 if (pkg.mLastPackageUsageTimeInMills == 0) { 669 continue; 670 } 671 sb.setLength(0); 672 sb.append(pkg.packageName); 673 sb.append(' '); 674 sb.append((long)pkg.mLastPackageUsageTimeInMills); 675 sb.append('\n'); 676 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 677 } 678 out.flush(); 679 file.finishWrite(f); 680 } catch (IOException e) { 681 if (f != null) { 682 file.failWrite(f); 683 } 684 Log.e(TAG, "Failed to write package usage times", e); 685 } 686 } 687 } 688 mLastWritten.set(SystemClock.elapsedRealtime()); 689 } 690 691 void readLP() { 692 synchronized (mFileLock) { 693 AtomicFile file = getFile(); 694 BufferedInputStream in = null; 695 try { 696 in = new BufferedInputStream(file.openRead()); 697 StringBuffer sb = new StringBuffer(); 698 while (true) { 699 String packageName = readToken(in, sb, ' '); 700 if (packageName == null) { 701 break; 702 } 703 String timeInMillisString = readToken(in, sb, '\n'); 704 if (timeInMillisString == null) { 705 throw new IOException("Failed to find last usage time for package " 706 + packageName); 707 } 708 PackageParser.Package pkg = mPackages.get(packageName); 709 if (pkg == null) { 710 continue; 711 } 712 long timeInMillis; 713 try { 714 timeInMillis = Long.parseLong(timeInMillisString.toString()); 715 } catch (NumberFormatException e) { 716 throw new IOException("Failed to parse " + timeInMillisString 717 + " as a long.", e); 718 } 719 pkg.mLastPackageUsageTimeInMills = timeInMillis; 720 } 721 } catch (FileNotFoundException expected) { 722 mIsHistoricalPackageUsageAvailable = false; 723 } catch (IOException e) { 724 Log.w(TAG, "Failed to read package usage times", e); 725 } finally { 726 IoUtils.closeQuietly(in); 727 } 728 } 729 mLastWritten.set(SystemClock.elapsedRealtime()); 730 } 731 732 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 733 throws IOException { 734 sb.setLength(0); 735 while (true) { 736 int ch = in.read(); 737 if (ch == -1) { 738 if (sb.length() == 0) { 739 return null; 740 } 741 throw new IOException("Unexpected EOF"); 742 } 743 if (ch == endOfToken) { 744 return sb.toString(); 745 } 746 sb.append((char)ch); 747 } 748 } 749 750 private AtomicFile getFile() { 751 File dataDir = Environment.getDataDirectory(); 752 File systemDir = new File(dataDir, "system"); 753 File fname = new File(systemDir, "package-usage.list"); 754 return new AtomicFile(fname); 755 } 756 } 757 758 class PackageHandler extends Handler { 759 private boolean mBound = false; 760 final ArrayList<HandlerParams> mPendingInstalls = 761 new ArrayList<HandlerParams>(); 762 763 private boolean connectToService() { 764 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 765 " DefaultContainerService"); 766 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 767 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 768 if (mContext.bindServiceAsUser(service, mDefContainerConn, 769 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 770 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 771 mBound = true; 772 return true; 773 } 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 return false; 776 } 777 778 private void disconnectService() { 779 mContainerService = null; 780 mBound = false; 781 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 782 mContext.unbindService(mDefContainerConn); 783 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 784 } 785 786 PackageHandler(Looper looper) { 787 super(looper); 788 } 789 790 public void handleMessage(Message msg) { 791 try { 792 doHandleMessage(msg); 793 } finally { 794 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 795 } 796 } 797 798 void doHandleMessage(Message msg) { 799 switch (msg.what) { 800 case INIT_COPY: { 801 HandlerParams params = (HandlerParams) msg.obj; 802 int idx = mPendingInstalls.size(); 803 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 804 // If a bind was already initiated we dont really 805 // need to do anything. The pending install 806 // will be processed later on. 807 if (!mBound) { 808 // If this is the only one pending we might 809 // have to bind to the service again. 810 if (!connectToService()) { 811 Slog.e(TAG, "Failed to bind to media container service"); 812 params.serviceError(); 813 return; 814 } else { 815 // Once we bind to the service, the first 816 // pending request will be processed. 817 mPendingInstalls.add(idx, params); 818 } 819 } else { 820 mPendingInstalls.add(idx, params); 821 // Already bound to the service. Just make 822 // sure we trigger off processing the first request. 823 if (idx == 0) { 824 mHandler.sendEmptyMessage(MCS_BOUND); 825 } 826 } 827 break; 828 } 829 case MCS_BOUND: { 830 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 831 if (msg.obj != null) { 832 mContainerService = (IMediaContainerService) msg.obj; 833 } 834 if (mContainerService == null) { 835 // Something seriously wrong. Bail out 836 Slog.e(TAG, "Cannot bind to media container service"); 837 for (HandlerParams params : mPendingInstalls) { 838 // Indicate service bind error 839 params.serviceError(); 840 } 841 mPendingInstalls.clear(); 842 } else if (mPendingInstalls.size() > 0) { 843 HandlerParams params = mPendingInstalls.get(0); 844 if (params != null) { 845 if (params.startCopy()) { 846 // We are done... look for more work or to 847 // go idle. 848 if (DEBUG_SD_INSTALL) Log.i(TAG, 849 "Checking for more work or unbind..."); 850 // Delete pending install 851 if (mPendingInstalls.size() > 0) { 852 mPendingInstalls.remove(0); 853 } 854 if (mPendingInstalls.size() == 0) { 855 if (mBound) { 856 if (DEBUG_SD_INSTALL) Log.i(TAG, 857 "Posting delayed MCS_UNBIND"); 858 removeMessages(MCS_UNBIND); 859 Message ubmsg = obtainMessage(MCS_UNBIND); 860 // Unbind after a little delay, to avoid 861 // continual thrashing. 862 sendMessageDelayed(ubmsg, 10000); 863 } 864 } else { 865 // There are more pending requests in queue. 866 // Just post MCS_BOUND message to trigger processing 867 // of next pending install. 868 if (DEBUG_SD_INSTALL) Log.i(TAG, 869 "Posting MCS_BOUND for next work"); 870 mHandler.sendEmptyMessage(MCS_BOUND); 871 } 872 } 873 } 874 } else { 875 // Should never happen ideally. 876 Slog.w(TAG, "Empty queue"); 877 } 878 break; 879 } 880 case MCS_RECONNECT: { 881 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 882 if (mPendingInstalls.size() > 0) { 883 if (mBound) { 884 disconnectService(); 885 } 886 if (!connectToService()) { 887 Slog.e(TAG, "Failed to bind to media container service"); 888 for (HandlerParams params : mPendingInstalls) { 889 // Indicate service bind error 890 params.serviceError(); 891 } 892 mPendingInstalls.clear(); 893 } 894 } 895 break; 896 } 897 case MCS_UNBIND: { 898 // If there is no actual work left, then time to unbind. 899 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 900 901 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 902 if (mBound) { 903 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 904 905 disconnectService(); 906 } 907 } else if (mPendingInstalls.size() > 0) { 908 // There are more pending requests in queue. 909 // Just post MCS_BOUND message to trigger processing 910 // of next pending install. 911 mHandler.sendEmptyMessage(MCS_BOUND); 912 } 913 914 break; 915 } 916 case MCS_GIVE_UP: { 917 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 918 mPendingInstalls.remove(0); 919 break; 920 } 921 case SEND_PENDING_BROADCAST: { 922 String packages[]; 923 ArrayList<String> components[]; 924 int size = 0; 925 int uids[]; 926 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 927 synchronized (mPackages) { 928 if (mPendingBroadcasts == null) { 929 return; 930 } 931 size = mPendingBroadcasts.size(); 932 if (size <= 0) { 933 // Nothing to be done. Just return 934 return; 935 } 936 packages = new String[size]; 937 components = new ArrayList[size]; 938 uids = new int[size]; 939 int i = 0; // filling out the above arrays 940 941 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 942 int packageUserId = mPendingBroadcasts.userIdAt(n); 943 Iterator<Map.Entry<String, ArrayList<String>>> it 944 = mPendingBroadcasts.packagesForUserId(packageUserId) 945 .entrySet().iterator(); 946 while (it.hasNext() && i < size) { 947 Map.Entry<String, ArrayList<String>> ent = it.next(); 948 packages[i] = ent.getKey(); 949 components[i] = ent.getValue(); 950 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 951 uids[i] = (ps != null) 952 ? UserHandle.getUid(packageUserId, ps.appId) 953 : -1; 954 i++; 955 } 956 } 957 size = i; 958 mPendingBroadcasts.clear(); 959 } 960 // Send broadcasts 961 for (int i = 0; i < size; i++) { 962 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 break; 966 } 967 case START_CLEANING_PACKAGE: { 968 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 969 final String packageName = (String)msg.obj; 970 final int userId = msg.arg1; 971 final boolean andCode = msg.arg2 != 0; 972 synchronized (mPackages) { 973 if (userId == UserHandle.USER_ALL) { 974 int[] users = sUserManager.getUserIds(); 975 for (int user : users) { 976 mSettings.addPackageToCleanLPw( 977 new PackageCleanItem(user, packageName, andCode)); 978 } 979 } else { 980 mSettings.addPackageToCleanLPw( 981 new PackageCleanItem(userId, packageName, andCode)); 982 } 983 } 984 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 985 startCleaningPackages(); 986 } break; 987 case POST_INSTALL: { 988 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 989 PostInstallData data = mRunningInstalls.get(msg.arg1); 990 mRunningInstalls.delete(msg.arg1); 991 boolean deleteOld = false; 992 993 if (data != null) { 994 InstallArgs args = data.args; 995 PackageInstalledInfo res = data.res; 996 997 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 998 res.removedInfo.sendBroadcast(false, true, false); 999 Bundle extras = new Bundle(1); 1000 extras.putInt(Intent.EXTRA_UID, res.uid); 1001 // Determine the set of users who are adding this 1002 // package for the first time vs. those who are seeing 1003 // an update. 1004 int[] firstUsers; 1005 int[] updateUsers = new int[0]; 1006 if (res.origUsers == null || res.origUsers.length == 0) { 1007 firstUsers = res.newUsers; 1008 } else { 1009 firstUsers = new int[0]; 1010 for (int i=0; i<res.newUsers.length; i++) { 1011 int user = res.newUsers[i]; 1012 boolean isNew = true; 1013 for (int j=0; j<res.origUsers.length; j++) { 1014 if (res.origUsers[j] == user) { 1015 isNew = false; 1016 break; 1017 } 1018 } 1019 if (isNew) { 1020 int[] newFirst = new int[firstUsers.length+1]; 1021 System.arraycopy(firstUsers, 0, newFirst, 0, 1022 firstUsers.length); 1023 newFirst[firstUsers.length] = user; 1024 firstUsers = newFirst; 1025 } else { 1026 int[] newUpdate = new int[updateUsers.length+1]; 1027 System.arraycopy(updateUsers, 0, newUpdate, 0, 1028 updateUsers.length); 1029 newUpdate[updateUsers.length] = user; 1030 updateUsers = newUpdate; 1031 } 1032 } 1033 } 1034 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1035 res.pkg.applicationInfo.packageName, 1036 extras, null, null, firstUsers); 1037 final boolean update = res.removedInfo.removedPackage != null; 1038 if (update) { 1039 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1040 } 1041 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1042 res.pkg.applicationInfo.packageName, 1043 extras, null, null, updateUsers); 1044 if (update) { 1045 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1046 res.pkg.applicationInfo.packageName, 1047 extras, null, null, updateUsers); 1048 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1049 null, null, 1050 res.pkg.applicationInfo.packageName, null, updateUsers); 1051 1052 // treat asec-hosted packages like removable media on upgrade 1053 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1054 if (DEBUG_INSTALL) { 1055 Slog.i(TAG, "upgrading pkg " + res.pkg 1056 + " is ASEC-hosted -> AVAILABLE"); 1057 } 1058 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1059 ArrayList<String> pkgList = new ArrayList<String>(1); 1060 pkgList.add(res.pkg.applicationInfo.packageName); 1061 sendResourcesChangedBroadcast(true, true, 1062 pkgList,uidArray, null); 1063 } 1064 } 1065 if (res.removedInfo.args != null) { 1066 // Remove the replaced package's older resources safely now 1067 deleteOld = true; 1068 } 1069 1070 // Log current value of "unknown sources" setting 1071 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1072 getUnknownSourcesSettings()); 1073 } 1074 // Force a gc to clear up things 1075 Runtime.getRuntime().gc(); 1076 // We delete after a gc for applications on sdcard. 1077 if (deleteOld) { 1078 synchronized (mInstallLock) { 1079 res.removedInfo.args.doPostDeleteLI(true); 1080 } 1081 } 1082 if (args.observer != null) { 1083 try { 1084 Bundle extras = extrasForInstallResult(res); 1085 args.observer.onPackageInstalled(res.name, res.returnCode, 1086 res.returnMsg, extras); 1087 } catch (RemoteException e) { 1088 Slog.i(TAG, "Observer no longer exists."); 1089 } 1090 } 1091 } else { 1092 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1093 } 1094 } break; 1095 case UPDATED_MEDIA_STATUS: { 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1097 boolean reportStatus = msg.arg1 == 1; 1098 boolean doGc = msg.arg2 == 1; 1099 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1100 if (doGc) { 1101 // Force a gc to clear up stale containers. 1102 Runtime.getRuntime().gc(); 1103 } 1104 if (msg.obj != null) { 1105 @SuppressWarnings("unchecked") 1106 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1107 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1108 // Unload containers 1109 unloadAllContainers(args); 1110 } 1111 if (reportStatus) { 1112 try { 1113 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1114 PackageHelper.getMountService().finishMediaUpdate(); 1115 } catch (RemoteException e) { 1116 Log.e(TAG, "MountService not running?"); 1117 } 1118 } 1119 } break; 1120 case WRITE_SETTINGS: { 1121 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1122 synchronized (mPackages) { 1123 removeMessages(WRITE_SETTINGS); 1124 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1125 mSettings.writeLPr(); 1126 mDirtyUsers.clear(); 1127 } 1128 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1129 } break; 1130 case WRITE_PACKAGE_RESTRICTIONS: { 1131 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1132 synchronized (mPackages) { 1133 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1134 for (int userId : mDirtyUsers) { 1135 mSettings.writePackageRestrictionsLPr(userId); 1136 } 1137 mDirtyUsers.clear(); 1138 } 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 } break; 1141 case CHECK_PENDING_VERIFICATION: { 1142 final int verificationId = msg.arg1; 1143 final PackageVerificationState state = mPendingVerification.get(verificationId); 1144 1145 if ((state != null) && !state.timeoutExtended()) { 1146 final InstallArgs args = state.getInstallArgs(); 1147 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1148 1149 Slog.i(TAG, "Verification timed out for " + originUri); 1150 mPendingVerification.remove(verificationId); 1151 1152 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1153 1154 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1155 Slog.i(TAG, "Continuing with installation of " + originUri); 1156 state.setVerifierResponse(Binder.getCallingUid(), 1157 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1158 broadcastPackageVerified(verificationId, originUri, 1159 PackageManager.VERIFICATION_ALLOW, 1160 state.getInstallArgs().getUser()); 1161 try { 1162 ret = args.copyApk(mContainerService, true); 1163 } catch (RemoteException e) { 1164 Slog.e(TAG, "Could not contact the ContainerService"); 1165 } 1166 } else { 1167 broadcastPackageVerified(verificationId, originUri, 1168 PackageManager.VERIFICATION_REJECT, 1169 state.getInstallArgs().getUser()); 1170 } 1171 1172 processPendingInstall(args, ret); 1173 mHandler.sendEmptyMessage(MCS_UNBIND); 1174 } 1175 break; 1176 } 1177 case PACKAGE_VERIFIED: { 1178 final int verificationId = msg.arg1; 1179 1180 final PackageVerificationState state = mPendingVerification.get(verificationId); 1181 if (state == null) { 1182 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1183 break; 1184 } 1185 1186 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1187 1188 state.setVerifierResponse(response.callerUid, response.code); 1189 1190 if (state.isVerificationComplete()) { 1191 mPendingVerification.remove(verificationId); 1192 1193 final InstallArgs args = state.getInstallArgs(); 1194 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1195 1196 int ret; 1197 if (state.isInstallAllowed()) { 1198 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1199 broadcastPackageVerified(verificationId, originUri, 1200 response.code, state.getInstallArgs().getUser()); 1201 try { 1202 ret = args.copyApk(mContainerService, true); 1203 } catch (RemoteException e) { 1204 Slog.e(TAG, "Could not contact the ContainerService"); 1205 } 1206 } else { 1207 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1208 } 1209 1210 processPendingInstall(args, ret); 1211 1212 mHandler.sendEmptyMessage(MCS_UNBIND); 1213 } 1214 1215 break; 1216 } 1217 } 1218 } 1219 } 1220 1221 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1222 Bundle extras = null; 1223 switch (res.returnCode) { 1224 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1225 extras = new Bundle(); 1226 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1227 res.origPermission); 1228 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1229 res.origPackage); 1230 break; 1231 } 1232 } 1233 return extras; 1234 } 1235 1236 void scheduleWriteSettingsLocked() { 1237 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1238 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1239 } 1240 } 1241 1242 void scheduleWritePackageRestrictionsLocked(int userId) { 1243 if (!sUserManager.exists(userId)) return; 1244 mDirtyUsers.add(userId); 1245 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1246 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1247 } 1248 } 1249 1250 public static final PackageManagerService main(Context context, Installer installer, 1251 boolean factoryTest, boolean onlyCore) { 1252 PackageManagerService m = new PackageManagerService(context, installer, 1253 factoryTest, onlyCore); 1254 ServiceManager.addService("package", m); 1255 return m; 1256 } 1257 1258 static String[] splitString(String str, char sep) { 1259 int count = 1; 1260 int i = 0; 1261 while ((i=str.indexOf(sep, i)) >= 0) { 1262 count++; 1263 i++; 1264 } 1265 1266 String[] res = new String[count]; 1267 i=0; 1268 count = 0; 1269 int lastI=0; 1270 while ((i=str.indexOf(sep, i)) >= 0) { 1271 res[count] = str.substring(lastI, i); 1272 count++; 1273 i++; 1274 lastI = i; 1275 } 1276 res[count] = str.substring(lastI, str.length()); 1277 return res; 1278 } 1279 1280 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1281 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1282 Context.DISPLAY_SERVICE); 1283 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1284 } 1285 1286 public PackageManagerService(Context context, Installer installer, 1287 boolean factoryTest, boolean onlyCore) { 1288 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1289 SystemClock.uptimeMillis()); 1290 1291 if (mSdkVersion <= 0) { 1292 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1293 } 1294 1295 mContext = context; 1296 mFactoryTest = factoryTest; 1297 mOnlyCore = onlyCore; 1298 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1299 mMetrics = new DisplayMetrics(); 1300 mSettings = new Settings(context); 1301 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 1314 // TODO: add a property to control this? 1315 long dexOptLRUThresholdInMinutes; 1316 if (mLazyDexOpt) { 1317 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1318 } else { 1319 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1320 } 1321 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1322 1323 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1324 if (separateProcesses != null && separateProcesses.length() > 0) { 1325 if ("*".equals(separateProcesses)) { 1326 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1327 mSeparateProcesses = null; 1328 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1329 } else { 1330 mDefParseFlags = 0; 1331 mSeparateProcesses = separateProcesses.split(","); 1332 Slog.w(TAG, "Running with debug.separate_processes: " 1333 + separateProcesses); 1334 } 1335 } else { 1336 mDefParseFlags = 0; 1337 mSeparateProcesses = null; 1338 } 1339 1340 mInstaller = installer; 1341 1342 getDefaultDisplayMetrics(context, mMetrics); 1343 1344 SystemConfig systemConfig = SystemConfig.getInstance(); 1345 mGlobalGids = systemConfig.getGlobalGids(); 1346 mSystemPermissions = systemConfig.getSystemPermissions(); 1347 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1348 1349 synchronized (mInstallLock) { 1350 // writer 1351 synchronized (mPackages) { 1352 mHandlerThread = new ServiceThread(TAG, 1353 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1354 mHandlerThread.start(); 1355 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1356 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1357 1358 File dataDir = Environment.getDataDirectory(); 1359 mAppDataDir = new File(dataDir, "data"); 1360 mAppInstallDir = new File(dataDir, "app"); 1361 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1362 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1363 mUserAppDataDir = new File(dataDir, "user"); 1364 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1365 1366 sUserManager = new UserManagerService(context, this, 1367 mInstallLock, mPackages); 1368 1369 // Propagate permission configuration in to package manager. 1370 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1371 = systemConfig.getPermissions(); 1372 for (int i=0; i<permConfig.size(); i++) { 1373 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1374 BasePermission bp = mSettings.mPermissions.get(perm.name); 1375 if (bp == null) { 1376 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1377 mSettings.mPermissions.put(perm.name, bp); 1378 } 1379 if (perm.gids != null) { 1380 bp.gids = appendInts(bp.gids, perm.gids); 1381 } 1382 } 1383 1384 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1385 for (int i=0; i<libConfig.size(); i++) { 1386 mSharedLibraries.put(libConfig.keyAt(i), 1387 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1388 } 1389 1390 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1391 1392 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1393 mSdkVersion, mOnlyCore); 1394 1395 String customResolverActivity = Resources.getSystem().getString( 1396 R.string.config_customResolverActivity); 1397 if (TextUtils.isEmpty(customResolverActivity)) { 1398 customResolverActivity = null; 1399 } else { 1400 mCustomResolverComponentName = ComponentName.unflattenFromString( 1401 customResolverActivity); 1402 } 1403 1404 long startTime = SystemClock.uptimeMillis(); 1405 1406 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1407 startTime); 1408 1409 // Set flag to monitor and not change apk file paths when 1410 // scanning install directories. 1411 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1412 1413 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1414 1415 /** 1416 * Add everything in the in the boot class path to the 1417 * list of process files because dexopt will have been run 1418 * if necessary during zygote startup. 1419 */ 1420 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1421 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1422 1423 if (bootClassPath != null) { 1424 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1425 for (String element : bootClassPathElements) { 1426 alreadyDexOpted.add(element); 1427 } 1428 } else { 1429 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1430 } 1431 1432 if (systemServerClassPath != null) { 1433 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1434 for (String element : systemServerClassPathElements) { 1435 alreadyDexOpted.add(element); 1436 } 1437 } else { 1438 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1439 } 1440 1441 final List<String> allInstructionSets = getAllInstructionSets(); 1442 final String[] dexCodeInstructionSets = 1443 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1444 1445 /** 1446 * Ensure all external libraries have had dexopt run on them. 1447 */ 1448 if (mSharedLibraries.size() > 0) { 1449 // NOTE: For now, we're compiling these system "shared libraries" 1450 // (and framework jars) into all available architectures. It's possible 1451 // to compile them only when we come across an app that uses them (there's 1452 // already logic for that in scanPackageLI) but that adds some complexity. 1453 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1454 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1455 final String lib = libEntry.path; 1456 if (lib == null) { 1457 continue; 1458 } 1459 1460 try { 1461 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1462 dexCodeInstructionSet, 1463 false); 1464 if (dexoptRequired != DexFile.UP_TO_DATE) { 1465 alreadyDexOpted.add(lib); 1466 1467 // The list of "shared libraries" we have at this point is 1468 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1469 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1470 } else { 1471 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1472 } 1473 } 1474 } catch (FileNotFoundException e) { 1475 Slog.w(TAG, "Library not found: " + lib); 1476 } catch (IOException e) { 1477 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1478 + e.getMessage()); 1479 } 1480 } 1481 } 1482 } 1483 1484 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1485 1486 // Gross hack for now: we know this file doesn't contain any 1487 // code, so don't dexopt it to avoid the resulting log spew. 1488 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1489 1490 // Gross hack for now: we know this file is only part of 1491 // the boot class path for art, so don't dexopt it to 1492 // avoid the resulting log spew. 1493 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1494 1495 /** 1496 * And there are a number of commands implemented in Java, which 1497 * we currently need to do the dexopt on so that they can be 1498 * run from a non-root shell. 1499 */ 1500 String[] frameworkFiles = frameworkDir.list(); 1501 if (frameworkFiles != null) { 1502 // TODO: We could compile these only for the most preferred ABI. We should 1503 // first double check that the dex files for these commands are not referenced 1504 // by other system apps. 1505 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1506 for (int i=0; i<frameworkFiles.length; i++) { 1507 File libPath = new File(frameworkDir, frameworkFiles[i]); 1508 String path = libPath.getPath(); 1509 // Skip the file if we already did it. 1510 if (alreadyDexOpted.contains(path)) { 1511 continue; 1512 } 1513 // Skip the file if it is not a type we want to dexopt. 1514 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1515 continue; 1516 } 1517 try { 1518 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1519 dexCodeInstructionSet, 1520 false); 1521 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1522 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1523 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1524 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1525 } 1526 } catch (FileNotFoundException e) { 1527 Slog.w(TAG, "Jar not found: " + path); 1528 } catch (IOException e) { 1529 Slog.w(TAG, "Exception reading jar: " + path, e); 1530 } 1531 } 1532 } 1533 } 1534 1535 // Collect vendor overlay packages. 1536 // (Do this before scanning any apps.) 1537 // For security and version matching reason, only consider 1538 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1539 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1540 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1541 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1542 1543 // Find base frameworks (resource packages without code). 1544 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1545 | PackageParser.PARSE_IS_SYSTEM_DIR 1546 | PackageParser.PARSE_IS_PRIVILEGED, 1547 scanFlags | SCAN_NO_DEX, 0); 1548 1549 // Collected privileged system packages. 1550 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1551 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR 1553 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1554 1555 // Collect ordinary system packages. 1556 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1557 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1558 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1559 1560 // Collect all vendor packages. 1561 File vendorAppDir = new File("/vendor/app"); 1562 try { 1563 vendorAppDir = vendorAppDir.getCanonicalFile(); 1564 } catch (IOException e) { 1565 // failed to look up canonical path, continue with original one 1566 } 1567 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1568 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1569 1570 // Collect all OEM packages. 1571 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1572 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1573 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1574 1575 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1576 mInstaller.moveFiles(); 1577 1578 // Prune any system packages that no longer exist. 1579 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1580 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1581 if (!mOnlyCore) { 1582 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1583 while (psit.hasNext()) { 1584 PackageSetting ps = psit.next(); 1585 1586 /* 1587 * If this is not a system app, it can't be a 1588 * disable system app. 1589 */ 1590 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1591 continue; 1592 } 1593 1594 /* 1595 * If the package is scanned, it's not erased. 1596 */ 1597 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1598 if (scannedPkg != null) { 1599 /* 1600 * If the system app is both scanned and in the 1601 * disabled packages list, then it must have been 1602 * added via OTA. Remove it from the currently 1603 * scanned package so the previously user-installed 1604 * application can be scanned. 1605 */ 1606 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1607 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1608 + ps.name + "; removing system app. Last known codePath=" 1609 + ps.codePathString + ", installStatus=" + ps.installStatus 1610 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1611 + scannedPkg.mVersionCode); 1612 removePackageLI(ps, true); 1613 expectingBetter.put(ps.name, ps.codePath); 1614 } 1615 1616 continue; 1617 } 1618 1619 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1620 psit.remove(); 1621 logCriticalInfo(Log.WARN, "System package " + ps.name 1622 + " no longer exists; wiping its data"); 1623 removeDataDirsLI(ps.name); 1624 } else { 1625 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1626 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1627 possiblyDeletedUpdatedSystemApps.add(ps.name); 1628 } 1629 } 1630 } 1631 } 1632 1633 //look for any incomplete package installations 1634 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1635 //clean up list 1636 for(int i = 0; i < deletePkgsList.size(); i++) { 1637 //clean up here 1638 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1639 } 1640 //delete tmp files 1641 deleteTempPackageFiles(); 1642 1643 // Remove any shared userIDs that have no associated packages 1644 mSettings.pruneSharedUsersLPw(); 1645 1646 if (!mOnlyCore) { 1647 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1648 SystemClock.uptimeMillis()); 1649 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1650 1651 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1652 scanFlags, 0); 1653 1654 /** 1655 * Remove disable package settings for any updated system 1656 * apps that were removed via an OTA. If they're not a 1657 * previously-updated app, remove them completely. 1658 * Otherwise, just revoke their system-level permissions. 1659 */ 1660 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1661 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1662 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1663 1664 String msg; 1665 if (deletedPkg == null) { 1666 msg = "Updated system package " + deletedAppName 1667 + " no longer exists; wiping its data"; 1668 removeDataDirsLI(deletedAppName); 1669 } else { 1670 msg = "Updated system app + " + deletedAppName 1671 + " no longer present; removing system privileges for " 1672 + deletedAppName; 1673 1674 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1675 1676 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1677 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1678 } 1679 logCriticalInfo(Log.WARN, msg); 1680 } 1681 1682 /** 1683 * Make sure all system apps that we expected to appear on 1684 * the userdata partition actually showed up. If they never 1685 * appeared, crawl back and revive the system version. 1686 */ 1687 for (int i = 0; i < expectingBetter.size(); i++) { 1688 final String packageName = expectingBetter.keyAt(i); 1689 if (!mPackages.containsKey(packageName)) { 1690 final File scanFile = expectingBetter.valueAt(i); 1691 1692 logCriticalInfo(Log.WARN, "Expected better " + packageName 1693 + " but never showed up; reverting to system"); 1694 1695 final int reparseFlags; 1696 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1697 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1698 | PackageParser.PARSE_IS_SYSTEM_DIR 1699 | PackageParser.PARSE_IS_PRIVILEGED; 1700 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1701 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1702 | PackageParser.PARSE_IS_SYSTEM_DIR; 1703 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1704 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1705 | PackageParser.PARSE_IS_SYSTEM_DIR; 1706 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1707 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1708 | PackageParser.PARSE_IS_SYSTEM_DIR; 1709 } else { 1710 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1711 continue; 1712 } 1713 1714 mSettings.enableSystemPackageLPw(packageName); 1715 1716 try { 1717 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1718 } catch (PackageManagerException e) { 1719 Slog.e(TAG, "Failed to parse original system package: " 1720 + e.getMessage()); 1721 } 1722 } 1723 } 1724 } 1725 1726 // Now that we know all of the shared libraries, update all clients to have 1727 // the correct library paths. 1728 updateAllSharedLibrariesLPw(); 1729 1730 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1731 // NOTE: We ignore potential failures here during a system scan (like 1732 // the rest of the commands above) because there's precious little we 1733 // can do about it. A settings error is reported, though. 1734 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1735 false /* force dexopt */, false /* defer dexopt */); 1736 } 1737 1738 // Now that we know all the packages we are keeping, 1739 // read and update their last usage times. 1740 mPackageUsage.readLP(); 1741 1742 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1743 SystemClock.uptimeMillis()); 1744 Slog.i(TAG, "Time to scan packages: " 1745 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1746 + " seconds"); 1747 1748 // If the platform SDK has changed since the last time we booted, 1749 // we need to re-grant app permission to catch any new ones that 1750 // appear. This is really a hack, and means that apps can in some 1751 // cases get permissions that the user didn't initially explicitly 1752 // allow... it would be nice to have some better way to handle 1753 // this situation. 1754 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1755 != mSdkVersion; 1756 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1757 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1758 + "; regranting permissions for internal storage"); 1759 mSettings.mInternalSdkPlatform = mSdkVersion; 1760 1761 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1762 | (regrantPermissions 1763 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1764 : 0)); 1765 1766 // If this is the first boot, and it is a normal boot, then 1767 // we need to initialize the default preferred apps. 1768 if (!mRestoredSettings && !onlyCore) { 1769 mSettings.readDefaultPreferredAppsLPw(this, 0); 1770 } 1771 1772 // If this is first boot after an OTA, and a normal boot, then 1773 // we need to clear code cache directories. 1774 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 1775 if (mIsUpgrade && !onlyCore) { 1776 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1777 for (String pkgName : mSettings.mPackages.keySet()) { 1778 deleteCodeCacheDirsLI(pkgName); 1779 } 1780 mSettings.mFingerprint = Build.FINGERPRINT; 1781 } 1782 1783 // All the changes are done during package scanning. 1784 mSettings.updateInternalDatabaseVersion(); 1785 1786 // can downgrade to reader 1787 mSettings.writeLPr(); 1788 1789 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1790 SystemClock.uptimeMillis()); 1791 1792 1793 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1794 } // synchronized (mPackages) 1795 } // synchronized (mInstallLock) 1796 1797 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1798 1799 // Now after opening every single application zip, make sure they 1800 // are all flushed. Not really needed, but keeps things nice and 1801 // tidy. 1802 Runtime.getRuntime().gc(); 1803 } 1804 1805 @Override 1806 public boolean isFirstBoot() { 1807 return !mRestoredSettings; 1808 } 1809 1810 @Override 1811 public boolean isOnlyCoreApps() { 1812 return mOnlyCore; 1813 } 1814 1815 @Override 1816 public boolean isUpgrade() { 1817 return mIsUpgrade; 1818 } 1819 1820 private String getRequiredVerifierLPr() { 1821 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1822 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1823 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1824 1825 String requiredVerifier = null; 1826 1827 final int N = receivers.size(); 1828 for (int i = 0; i < N; i++) { 1829 final ResolveInfo info = receivers.get(i); 1830 1831 if (info.activityInfo == null) { 1832 continue; 1833 } 1834 1835 final String packageName = info.activityInfo.packageName; 1836 1837 final PackageSetting ps = mSettings.mPackages.get(packageName); 1838 if (ps == null) { 1839 continue; 1840 } 1841 1842 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1843 if (!gp.grantedPermissions 1844 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1845 continue; 1846 } 1847 1848 if (requiredVerifier != null) { 1849 throw new RuntimeException("There can be only one required verifier"); 1850 } 1851 1852 requiredVerifier = packageName; 1853 } 1854 1855 return requiredVerifier; 1856 } 1857 1858 @Override 1859 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1860 throws RemoteException { 1861 try { 1862 return super.onTransact(code, data, reply, flags); 1863 } catch (RuntimeException e) { 1864 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1865 Slog.wtf(TAG, "Package Manager Crash", e); 1866 } 1867 throw e; 1868 } 1869 } 1870 1871 void cleanupInstallFailedPackage(PackageSetting ps) { 1872 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1873 1874 removeDataDirsLI(ps.name); 1875 if (ps.codePath != null) { 1876 if (ps.codePath.isDirectory()) { 1877 FileUtils.deleteContents(ps.codePath); 1878 } 1879 ps.codePath.delete(); 1880 } 1881 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1882 if (ps.resourcePath.isDirectory()) { 1883 FileUtils.deleteContents(ps.resourcePath); 1884 } 1885 ps.resourcePath.delete(); 1886 } 1887 mSettings.removePackageLPw(ps.name); 1888 } 1889 1890 static int[] appendInts(int[] cur, int[] add) { 1891 if (add == null) return cur; 1892 if (cur == null) return add; 1893 final int N = add.length; 1894 for (int i=0; i<N; i++) { 1895 cur = appendInt(cur, add[i]); 1896 } 1897 return cur; 1898 } 1899 1900 static int[] removeInts(int[] cur, int[] rem) { 1901 if (rem == null) return cur; 1902 if (cur == null) return cur; 1903 final int N = rem.length; 1904 for (int i=0; i<N; i++) { 1905 cur = removeInt(cur, rem[i]); 1906 } 1907 return cur; 1908 } 1909 1910 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1911 if (!sUserManager.exists(userId)) return null; 1912 final PackageSetting ps = (PackageSetting) p.mExtras; 1913 if (ps == null) { 1914 return null; 1915 } 1916 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1917 final PackageUserState state = ps.readUserState(userId); 1918 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1919 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1920 state, userId); 1921 } 1922 1923 @Override 1924 public boolean isPackageAvailable(String packageName, int userId) { 1925 if (!sUserManager.exists(userId)) return false; 1926 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1927 synchronized (mPackages) { 1928 PackageParser.Package p = mPackages.get(packageName); 1929 if (p != null) { 1930 final PackageSetting ps = (PackageSetting) p.mExtras; 1931 if (ps != null) { 1932 final PackageUserState state = ps.readUserState(userId); 1933 if (state != null) { 1934 return PackageParser.isAvailable(state); 1935 } 1936 } 1937 } 1938 } 1939 return false; 1940 } 1941 1942 @Override 1943 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1944 if (!sUserManager.exists(userId)) return null; 1945 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1946 // reader 1947 synchronized (mPackages) { 1948 PackageParser.Package p = mPackages.get(packageName); 1949 if (DEBUG_PACKAGE_INFO) 1950 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1951 if (p != null) { 1952 return generatePackageInfo(p, flags, userId); 1953 } 1954 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1955 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1956 } 1957 } 1958 return null; 1959 } 1960 1961 @Override 1962 public String[] currentToCanonicalPackageNames(String[] names) { 1963 String[] out = new String[names.length]; 1964 // reader 1965 synchronized (mPackages) { 1966 for (int i=names.length-1; i>=0; i--) { 1967 PackageSetting ps = mSettings.mPackages.get(names[i]); 1968 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1969 } 1970 } 1971 return out; 1972 } 1973 1974 @Override 1975 public String[] canonicalToCurrentPackageNames(String[] names) { 1976 String[] out = new String[names.length]; 1977 // reader 1978 synchronized (mPackages) { 1979 for (int i=names.length-1; i>=0; i--) { 1980 String cur = mSettings.mRenamedPackages.get(names[i]); 1981 out[i] = cur != null ? cur : names[i]; 1982 } 1983 } 1984 return out; 1985 } 1986 1987 @Override 1988 public int getPackageUid(String packageName, int userId) { 1989 if (!sUserManager.exists(userId)) return -1; 1990 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1991 // reader 1992 synchronized (mPackages) { 1993 PackageParser.Package p = mPackages.get(packageName); 1994 if(p != null) { 1995 return UserHandle.getUid(userId, p.applicationInfo.uid); 1996 } 1997 PackageSetting ps = mSettings.mPackages.get(packageName); 1998 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1999 return -1; 2000 } 2001 p = ps.pkg; 2002 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2003 } 2004 } 2005 2006 @Override 2007 public int[] getPackageGids(String packageName) { 2008 // reader 2009 synchronized (mPackages) { 2010 PackageParser.Package p = mPackages.get(packageName); 2011 if (DEBUG_PACKAGE_INFO) 2012 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2013 if (p != null) { 2014 final PackageSetting ps = (PackageSetting)p.mExtras; 2015 return ps.getGids(); 2016 } 2017 } 2018 // stupid thing to indicate an error. 2019 return new int[0]; 2020 } 2021 2022 static final PermissionInfo generatePermissionInfo( 2023 BasePermission bp, int flags) { 2024 if (bp.perm != null) { 2025 return PackageParser.generatePermissionInfo(bp.perm, flags); 2026 } 2027 PermissionInfo pi = new PermissionInfo(); 2028 pi.name = bp.name; 2029 pi.packageName = bp.sourcePackage; 2030 pi.nonLocalizedLabel = bp.name; 2031 pi.protectionLevel = bp.protectionLevel; 2032 return pi; 2033 } 2034 2035 @Override 2036 public PermissionInfo getPermissionInfo(String name, int flags) { 2037 // reader 2038 synchronized (mPackages) { 2039 final BasePermission p = mSettings.mPermissions.get(name); 2040 if (p != null) { 2041 return generatePermissionInfo(p, flags); 2042 } 2043 return null; 2044 } 2045 } 2046 2047 @Override 2048 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2049 // reader 2050 synchronized (mPackages) { 2051 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2052 for (BasePermission p : mSettings.mPermissions.values()) { 2053 if (group == null) { 2054 if (p.perm == null || p.perm.info.group == null) { 2055 out.add(generatePermissionInfo(p, flags)); 2056 } 2057 } else { 2058 if (p.perm != null && group.equals(p.perm.info.group)) { 2059 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2060 } 2061 } 2062 } 2063 2064 if (out.size() > 0) { 2065 return out; 2066 } 2067 return mPermissionGroups.containsKey(group) ? out : null; 2068 } 2069 } 2070 2071 @Override 2072 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2073 // reader 2074 synchronized (mPackages) { 2075 return PackageParser.generatePermissionGroupInfo( 2076 mPermissionGroups.get(name), flags); 2077 } 2078 } 2079 2080 @Override 2081 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2082 // reader 2083 synchronized (mPackages) { 2084 final int N = mPermissionGroups.size(); 2085 ArrayList<PermissionGroupInfo> out 2086 = new ArrayList<PermissionGroupInfo>(N); 2087 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2088 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2089 } 2090 return out; 2091 } 2092 } 2093 2094 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2095 int userId) { 2096 if (!sUserManager.exists(userId)) return null; 2097 PackageSetting ps = mSettings.mPackages.get(packageName); 2098 if (ps != null) { 2099 if (ps.pkg == null) { 2100 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2101 flags, userId); 2102 if (pInfo != null) { 2103 return pInfo.applicationInfo; 2104 } 2105 return null; 2106 } 2107 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2108 ps.readUserState(userId), userId); 2109 } 2110 return null; 2111 } 2112 2113 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2114 int userId) { 2115 if (!sUserManager.exists(userId)) return null; 2116 PackageSetting ps = mSettings.mPackages.get(packageName); 2117 if (ps != null) { 2118 PackageParser.Package pkg = ps.pkg; 2119 if (pkg == null) { 2120 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2121 return null; 2122 } 2123 // Only data remains, so we aren't worried about code paths 2124 pkg = new PackageParser.Package(packageName); 2125 pkg.applicationInfo.packageName = packageName; 2126 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2127 pkg.applicationInfo.dataDir = 2128 getDataPathForPackage(packageName, 0).getPath(); 2129 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2130 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2131 } 2132 return generatePackageInfo(pkg, flags, userId); 2133 } 2134 return null; 2135 } 2136 2137 @Override 2138 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2139 if (!sUserManager.exists(userId)) return null; 2140 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2141 // writer 2142 synchronized (mPackages) { 2143 PackageParser.Package p = mPackages.get(packageName); 2144 if (DEBUG_PACKAGE_INFO) Log.v( 2145 TAG, "getApplicationInfo " + packageName 2146 + ": " + p); 2147 if (p != null) { 2148 PackageSetting ps = mSettings.mPackages.get(packageName); 2149 if (ps == null) return null; 2150 // Note: isEnabledLP() does not apply here - always return info 2151 return PackageParser.generateApplicationInfo( 2152 p, flags, ps.readUserState(userId), userId); 2153 } 2154 if ("android".equals(packageName)||"system".equals(packageName)) { 2155 return mAndroidApplication; 2156 } 2157 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2158 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2159 } 2160 } 2161 return null; 2162 } 2163 2164 2165 @Override 2166 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2167 mContext.enforceCallingOrSelfPermission( 2168 android.Manifest.permission.CLEAR_APP_CACHE, null); 2169 // Queue up an async operation since clearing cache may take a little while. 2170 mHandler.post(new Runnable() { 2171 public void run() { 2172 mHandler.removeCallbacks(this); 2173 int retCode = -1; 2174 synchronized (mInstallLock) { 2175 retCode = mInstaller.freeCache(freeStorageSize); 2176 if (retCode < 0) { 2177 Slog.w(TAG, "Couldn't clear application caches"); 2178 } 2179 } 2180 if (observer != null) { 2181 try { 2182 observer.onRemoveCompleted(null, (retCode >= 0)); 2183 } catch (RemoteException e) { 2184 Slog.w(TAG, "RemoveException when invoking call back"); 2185 } 2186 } 2187 } 2188 }); 2189 } 2190 2191 @Override 2192 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2193 mContext.enforceCallingOrSelfPermission( 2194 android.Manifest.permission.CLEAR_APP_CACHE, null); 2195 // Queue up an async operation since clearing cache may take a little while. 2196 mHandler.post(new Runnable() { 2197 public void run() { 2198 mHandler.removeCallbacks(this); 2199 int retCode = -1; 2200 synchronized (mInstallLock) { 2201 retCode = mInstaller.freeCache(freeStorageSize); 2202 if (retCode < 0) { 2203 Slog.w(TAG, "Couldn't clear application caches"); 2204 } 2205 } 2206 if(pi != null) { 2207 try { 2208 // Callback via pending intent 2209 int code = (retCode >= 0) ? 1 : 0; 2210 pi.sendIntent(null, code, null, 2211 null, null); 2212 } catch (SendIntentException e1) { 2213 Slog.i(TAG, "Failed to send pending intent"); 2214 } 2215 } 2216 } 2217 }); 2218 } 2219 2220 void freeStorage(long freeStorageSize) throws IOException { 2221 synchronized (mInstallLock) { 2222 if (mInstaller.freeCache(freeStorageSize) < 0) { 2223 throw new IOException("Failed to free enough space"); 2224 } 2225 } 2226 } 2227 2228 @Override 2229 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2230 if (!sUserManager.exists(userId)) return null; 2231 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2232 synchronized (mPackages) { 2233 PackageParser.Activity a = mActivities.mActivities.get(component); 2234 2235 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2236 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2237 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2238 if (ps == null) return null; 2239 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2240 userId); 2241 } 2242 if (mResolveComponentName.equals(component)) { 2243 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2244 new PackageUserState(), userId); 2245 } 2246 } 2247 return null; 2248 } 2249 2250 @Override 2251 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2252 String resolvedType) { 2253 synchronized (mPackages) { 2254 PackageParser.Activity a = mActivities.mActivities.get(component); 2255 if (a == null) { 2256 return false; 2257 } 2258 for (int i=0; i<a.intents.size(); i++) { 2259 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2260 intent.getData(), intent.getCategories(), TAG) >= 0) { 2261 return true; 2262 } 2263 } 2264 return false; 2265 } 2266 } 2267 2268 @Override 2269 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2270 if (!sUserManager.exists(userId)) return null; 2271 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2272 synchronized (mPackages) { 2273 PackageParser.Activity a = mReceivers.mActivities.get(component); 2274 if (DEBUG_PACKAGE_INFO) Log.v( 2275 TAG, "getReceiverInfo " + component + ": " + a); 2276 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2277 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2278 if (ps == null) return null; 2279 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2280 userId); 2281 } 2282 } 2283 return null; 2284 } 2285 2286 @Override 2287 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2288 if (!sUserManager.exists(userId)) return null; 2289 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2290 synchronized (mPackages) { 2291 PackageParser.Service s = mServices.mServices.get(component); 2292 if (DEBUG_PACKAGE_INFO) Log.v( 2293 TAG, "getServiceInfo " + component + ": " + s); 2294 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2295 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2296 if (ps == null) return null; 2297 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2298 userId); 2299 } 2300 } 2301 return null; 2302 } 2303 2304 @Override 2305 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2306 if (!sUserManager.exists(userId)) return null; 2307 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2308 synchronized (mPackages) { 2309 PackageParser.Provider p = mProviders.mProviders.get(component); 2310 if (DEBUG_PACKAGE_INFO) Log.v( 2311 TAG, "getProviderInfo " + component + ": " + p); 2312 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2313 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2314 if (ps == null) return null; 2315 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2316 userId); 2317 } 2318 } 2319 return null; 2320 } 2321 2322 @Override 2323 public String[] getSystemSharedLibraryNames() { 2324 Set<String> libSet; 2325 synchronized (mPackages) { 2326 libSet = mSharedLibraries.keySet(); 2327 int size = libSet.size(); 2328 if (size > 0) { 2329 String[] libs = new String[size]; 2330 libSet.toArray(libs); 2331 return libs; 2332 } 2333 } 2334 return null; 2335 } 2336 2337 @Override 2338 public FeatureInfo[] getSystemAvailableFeatures() { 2339 Collection<FeatureInfo> featSet; 2340 synchronized (mPackages) { 2341 featSet = mAvailableFeatures.values(); 2342 int size = featSet.size(); 2343 if (size > 0) { 2344 FeatureInfo[] features = new FeatureInfo[size+1]; 2345 featSet.toArray(features); 2346 FeatureInfo fi = new FeatureInfo(); 2347 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2348 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2349 features[size] = fi; 2350 return features; 2351 } 2352 } 2353 return null; 2354 } 2355 2356 @Override 2357 public boolean hasSystemFeature(String name) { 2358 synchronized (mPackages) { 2359 return mAvailableFeatures.containsKey(name); 2360 } 2361 } 2362 2363 private void checkValidCaller(int uid, int userId) { 2364 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2365 return; 2366 2367 throw new SecurityException("Caller uid=" + uid 2368 + " is not privileged to communicate with user=" + userId); 2369 } 2370 2371 @Override 2372 public int checkPermission(String permName, String pkgName) { 2373 synchronized (mPackages) { 2374 PackageParser.Package p = mPackages.get(pkgName); 2375 if (p != null && p.mExtras != null) { 2376 PackageSetting ps = (PackageSetting)p.mExtras; 2377 if (ps.sharedUser != null) { 2378 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2379 return PackageManager.PERMISSION_GRANTED; 2380 } 2381 } else if (ps.grantedPermissions.contains(permName)) { 2382 return PackageManager.PERMISSION_GRANTED; 2383 } 2384 } 2385 } 2386 return PackageManager.PERMISSION_DENIED; 2387 } 2388 2389 @Override 2390 public int checkUidPermission(String permName, int uid) { 2391 synchronized (mPackages) { 2392 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2393 if (obj != null) { 2394 GrantedPermissions gp = (GrantedPermissions)obj; 2395 if (gp.grantedPermissions.contains(permName)) { 2396 return PackageManager.PERMISSION_GRANTED; 2397 } 2398 } else { 2399 ArraySet<String> perms = mSystemPermissions.get(uid); 2400 if (perms != null && perms.contains(permName)) { 2401 return PackageManager.PERMISSION_GRANTED; 2402 } 2403 } 2404 } 2405 return PackageManager.PERMISSION_DENIED; 2406 } 2407 2408 /** 2409 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2410 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2411 * @param checkShell TODO(yamasani): 2412 * @param message the message to log on security exception 2413 */ 2414 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2415 boolean checkShell, String message) { 2416 if (userId < 0) { 2417 throw new IllegalArgumentException("Invalid userId " + userId); 2418 } 2419 if (checkShell) { 2420 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2421 } 2422 if (userId == UserHandle.getUserId(callingUid)) return; 2423 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2424 if (requireFullPermission) { 2425 mContext.enforceCallingOrSelfPermission( 2426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2427 } else { 2428 try { 2429 mContext.enforceCallingOrSelfPermission( 2430 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2431 } catch (SecurityException se) { 2432 mContext.enforceCallingOrSelfPermission( 2433 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2434 } 2435 } 2436 } 2437 } 2438 2439 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2440 if (callingUid == Process.SHELL_UID) { 2441 if (userHandle >= 0 2442 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2443 throw new SecurityException("Shell does not have permission to access user " 2444 + userHandle); 2445 } else if (userHandle < 0) { 2446 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2447 + Debug.getCallers(3)); 2448 } 2449 } 2450 } 2451 2452 private BasePermission findPermissionTreeLP(String permName) { 2453 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2454 if (permName.startsWith(bp.name) && 2455 permName.length() > bp.name.length() && 2456 permName.charAt(bp.name.length()) == '.') { 2457 return bp; 2458 } 2459 } 2460 return null; 2461 } 2462 2463 private BasePermission checkPermissionTreeLP(String permName) { 2464 if (permName != null) { 2465 BasePermission bp = findPermissionTreeLP(permName); 2466 if (bp != null) { 2467 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2468 return bp; 2469 } 2470 throw new SecurityException("Calling uid " 2471 + Binder.getCallingUid() 2472 + " is not allowed to add to permission tree " 2473 + bp.name + " owned by uid " + bp.uid); 2474 } 2475 } 2476 throw new SecurityException("No permission tree found for " + permName); 2477 } 2478 2479 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2480 if (s1 == null) { 2481 return s2 == null; 2482 } 2483 if (s2 == null) { 2484 return false; 2485 } 2486 if (s1.getClass() != s2.getClass()) { 2487 return false; 2488 } 2489 return s1.equals(s2); 2490 } 2491 2492 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2493 if (pi1.icon != pi2.icon) return false; 2494 if (pi1.logo != pi2.logo) return false; 2495 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2496 if (!compareStrings(pi1.name, pi2.name)) return false; 2497 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2498 // We'll take care of setting this one. 2499 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2500 // These are not currently stored in settings. 2501 //if (!compareStrings(pi1.group, pi2.group)) return false; 2502 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2503 //if (pi1.labelRes != pi2.labelRes) return false; 2504 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2505 return true; 2506 } 2507 2508 int permissionInfoFootprint(PermissionInfo info) { 2509 int size = info.name.length(); 2510 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2511 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2512 return size; 2513 } 2514 2515 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2516 int size = 0; 2517 for (BasePermission perm : mSettings.mPermissions.values()) { 2518 if (perm.uid == tree.uid) { 2519 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2520 } 2521 } 2522 return size; 2523 } 2524 2525 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2526 // We calculate the max size of permissions defined by this uid and throw 2527 // if that plus the size of 'info' would exceed our stated maximum. 2528 if (tree.uid != Process.SYSTEM_UID) { 2529 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2530 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2531 throw new SecurityException("Permission tree size cap exceeded"); 2532 } 2533 } 2534 } 2535 2536 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2537 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2538 throw new SecurityException("Label must be specified in permission"); 2539 } 2540 BasePermission tree = checkPermissionTreeLP(info.name); 2541 BasePermission bp = mSettings.mPermissions.get(info.name); 2542 boolean added = bp == null; 2543 boolean changed = true; 2544 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2545 if (added) { 2546 enforcePermissionCapLocked(info, tree); 2547 bp = new BasePermission(info.name, tree.sourcePackage, 2548 BasePermission.TYPE_DYNAMIC); 2549 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2550 throw new SecurityException( 2551 "Not allowed to modify non-dynamic permission " 2552 + info.name); 2553 } else { 2554 if (bp.protectionLevel == fixedLevel 2555 && bp.perm.owner.equals(tree.perm.owner) 2556 && bp.uid == tree.uid 2557 && comparePermissionInfos(bp.perm.info, info)) { 2558 changed = false; 2559 } 2560 } 2561 bp.protectionLevel = fixedLevel; 2562 info = new PermissionInfo(info); 2563 info.protectionLevel = fixedLevel; 2564 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2565 bp.perm.info.packageName = tree.perm.info.packageName; 2566 bp.uid = tree.uid; 2567 if (added) { 2568 mSettings.mPermissions.put(info.name, bp); 2569 } 2570 if (changed) { 2571 if (!async) { 2572 mSettings.writeLPr(); 2573 } else { 2574 scheduleWriteSettingsLocked(); 2575 } 2576 } 2577 return added; 2578 } 2579 2580 @Override 2581 public boolean addPermission(PermissionInfo info) { 2582 synchronized (mPackages) { 2583 return addPermissionLocked(info, false); 2584 } 2585 } 2586 2587 @Override 2588 public boolean addPermissionAsync(PermissionInfo info) { 2589 synchronized (mPackages) { 2590 return addPermissionLocked(info, true); 2591 } 2592 } 2593 2594 @Override 2595 public void removePermission(String name) { 2596 synchronized (mPackages) { 2597 checkPermissionTreeLP(name); 2598 BasePermission bp = mSettings.mPermissions.get(name); 2599 if (bp != null) { 2600 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2601 throw new SecurityException( 2602 "Not allowed to modify non-dynamic permission " 2603 + name); 2604 } 2605 mSettings.mPermissions.remove(name); 2606 mSettings.writeLPr(); 2607 } 2608 } 2609 } 2610 2611 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2612 int index = pkg.requestedPermissions.indexOf(bp.name); 2613 if (index == -1) { 2614 throw new SecurityException("Package " + pkg.packageName 2615 + " has not requested permission " + bp.name); 2616 } 2617 boolean isNormal = 2618 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2619 == PermissionInfo.PROTECTION_NORMAL); 2620 boolean isDangerous = 2621 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2622 == PermissionInfo.PROTECTION_DANGEROUS); 2623 boolean isDevelopment = 2624 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2625 2626 if (!isNormal && !isDangerous && !isDevelopment) { 2627 throw new SecurityException("Permission " + bp.name 2628 + " is not a changeable permission type"); 2629 } 2630 2631 if (isNormal || isDangerous) { 2632 if (pkg.requestedPermissionsRequired.get(index)) { 2633 throw new SecurityException("Can't change " + bp.name 2634 + ". It is required by the application"); 2635 } 2636 } 2637 } 2638 2639 @Override 2640 public void grantPermission(String packageName, String permissionName) { 2641 mContext.enforceCallingOrSelfPermission( 2642 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2643 synchronized (mPackages) { 2644 final PackageParser.Package pkg = mPackages.get(packageName); 2645 if (pkg == null) { 2646 throw new IllegalArgumentException("Unknown package: " + packageName); 2647 } 2648 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2649 if (bp == null) { 2650 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2651 } 2652 2653 checkGrantRevokePermissions(pkg, bp); 2654 2655 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2656 if (ps == null) { 2657 return; 2658 } 2659 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2660 if (gp.grantedPermissions.add(permissionName)) { 2661 if (ps.haveGids) { 2662 gp.gids = appendInts(gp.gids, bp.gids); 2663 } 2664 mSettings.writeLPr(); 2665 } 2666 } 2667 } 2668 2669 @Override 2670 public void revokePermission(String packageName, String permissionName) { 2671 int changedAppId = -1; 2672 2673 synchronized (mPackages) { 2674 final PackageParser.Package pkg = mPackages.get(packageName); 2675 if (pkg == null) { 2676 throw new IllegalArgumentException("Unknown package: " + packageName); 2677 } 2678 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2679 mContext.enforceCallingOrSelfPermission( 2680 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2681 } 2682 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2683 if (bp == null) { 2684 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2685 } 2686 2687 checkGrantRevokePermissions(pkg, bp); 2688 2689 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2690 if (ps == null) { 2691 return; 2692 } 2693 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2694 if (gp.grantedPermissions.remove(permissionName)) { 2695 gp.grantedPermissions.remove(permissionName); 2696 if (ps.haveGids) { 2697 gp.gids = removeInts(gp.gids, bp.gids); 2698 } 2699 mSettings.writeLPr(); 2700 changedAppId = ps.appId; 2701 } 2702 } 2703 2704 if (changedAppId >= 0) { 2705 // We changed the perm on someone, kill its processes. 2706 IActivityManager am = ActivityManagerNative.getDefault(); 2707 if (am != null) { 2708 final int callingUserId = UserHandle.getCallingUserId(); 2709 final long ident = Binder.clearCallingIdentity(); 2710 try { 2711 //XXX we should only revoke for the calling user's app permissions, 2712 // but for now we impact all users. 2713 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2714 // "revoke " + permissionName); 2715 int[] users = sUserManager.getUserIds(); 2716 for (int user : users) { 2717 am.killUid(UserHandle.getUid(user, changedAppId), 2718 "revoke " + permissionName); 2719 } 2720 } catch (RemoteException e) { 2721 } finally { 2722 Binder.restoreCallingIdentity(ident); 2723 } 2724 } 2725 } 2726 } 2727 2728 @Override 2729 public boolean isProtectedBroadcast(String actionName) { 2730 synchronized (mPackages) { 2731 return mProtectedBroadcasts.contains(actionName); 2732 } 2733 } 2734 2735 @Override 2736 public int checkSignatures(String pkg1, String pkg2) { 2737 synchronized (mPackages) { 2738 final PackageParser.Package p1 = mPackages.get(pkg1); 2739 final PackageParser.Package p2 = mPackages.get(pkg2); 2740 if (p1 == null || p1.mExtras == null 2741 || p2 == null || p2.mExtras == null) { 2742 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2743 } 2744 return compareSignatures(p1.mSignatures, p2.mSignatures); 2745 } 2746 } 2747 2748 @Override 2749 public int checkUidSignatures(int uid1, int uid2) { 2750 // Map to base uids. 2751 uid1 = UserHandle.getAppId(uid1); 2752 uid2 = UserHandle.getAppId(uid2); 2753 // reader 2754 synchronized (mPackages) { 2755 Signature[] s1; 2756 Signature[] s2; 2757 Object obj = mSettings.getUserIdLPr(uid1); 2758 if (obj != null) { 2759 if (obj instanceof SharedUserSetting) { 2760 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2761 } else if (obj instanceof PackageSetting) { 2762 s1 = ((PackageSetting)obj).signatures.mSignatures; 2763 } else { 2764 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2765 } 2766 } else { 2767 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2768 } 2769 obj = mSettings.getUserIdLPr(uid2); 2770 if (obj != null) { 2771 if (obj instanceof SharedUserSetting) { 2772 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2773 } else if (obj instanceof PackageSetting) { 2774 s2 = ((PackageSetting)obj).signatures.mSignatures; 2775 } else { 2776 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2777 } 2778 } else { 2779 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2780 } 2781 return compareSignatures(s1, s2); 2782 } 2783 } 2784 2785 /** 2786 * Compares two sets of signatures. Returns: 2787 * <br /> 2788 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2789 * <br /> 2790 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2791 * <br /> 2792 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2793 * <br /> 2794 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2795 * <br /> 2796 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2797 */ 2798 static int compareSignatures(Signature[] s1, Signature[] s2) { 2799 if (s1 == null) { 2800 return s2 == null 2801 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2802 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2803 } 2804 2805 if (s2 == null) { 2806 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2807 } 2808 2809 if (s1.length != s2.length) { 2810 return PackageManager.SIGNATURE_NO_MATCH; 2811 } 2812 2813 // Since both signature sets are of size 1, we can compare without HashSets. 2814 if (s1.length == 1) { 2815 return s1[0].equals(s2[0]) ? 2816 PackageManager.SIGNATURE_MATCH : 2817 PackageManager.SIGNATURE_NO_MATCH; 2818 } 2819 2820 ArraySet<Signature> set1 = new ArraySet<Signature>(); 2821 for (Signature sig : s1) { 2822 set1.add(sig); 2823 } 2824 ArraySet<Signature> set2 = new ArraySet<Signature>(); 2825 for (Signature sig : s2) { 2826 set2.add(sig); 2827 } 2828 // Make sure s2 contains all signatures in s1. 2829 if (set1.equals(set2)) { 2830 return PackageManager.SIGNATURE_MATCH; 2831 } 2832 return PackageManager.SIGNATURE_NO_MATCH; 2833 } 2834 2835 /** 2836 * If the database version for this type of package (internal storage or 2837 * external storage) is less than the version where package signatures 2838 * were updated, return true. 2839 */ 2840 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2841 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2842 DatabaseVersion.SIGNATURE_END_ENTITY)) 2843 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2844 DatabaseVersion.SIGNATURE_END_ENTITY)); 2845 } 2846 2847 /** 2848 * Used for backward compatibility to make sure any packages with 2849 * certificate chains get upgraded to the new style. {@code existingSigs} 2850 * will be in the old format (since they were stored on disk from before the 2851 * system upgrade) and {@code scannedSigs} will be in the newer format. 2852 */ 2853 private int compareSignaturesCompat(PackageSignatures existingSigs, 2854 PackageParser.Package scannedPkg) { 2855 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2856 return PackageManager.SIGNATURE_NO_MATCH; 2857 } 2858 2859 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 2860 for (Signature sig : existingSigs.mSignatures) { 2861 existingSet.add(sig); 2862 } 2863 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 2864 for (Signature sig : scannedPkg.mSignatures) { 2865 try { 2866 Signature[] chainSignatures = sig.getChainSignatures(); 2867 for (Signature chainSig : chainSignatures) { 2868 scannedCompatSet.add(chainSig); 2869 } 2870 } catch (CertificateEncodingException e) { 2871 scannedCompatSet.add(sig); 2872 } 2873 } 2874 /* 2875 * Make sure the expanded scanned set contains all signatures in the 2876 * existing one. 2877 */ 2878 if (scannedCompatSet.equals(existingSet)) { 2879 // Migrate the old signatures to the new scheme. 2880 existingSigs.assignSignatures(scannedPkg.mSignatures); 2881 // The new KeySets will be re-added later in the scanning process. 2882 synchronized (mPackages) { 2883 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2884 } 2885 return PackageManager.SIGNATURE_MATCH; 2886 } 2887 return PackageManager.SIGNATURE_NO_MATCH; 2888 } 2889 2890 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2891 if (isExternal(scannedPkg)) { 2892 return mSettings.isExternalDatabaseVersionOlderThan( 2893 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2894 } else { 2895 return mSettings.isInternalDatabaseVersionOlderThan( 2896 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 2897 } 2898 } 2899 2900 private int compareSignaturesRecover(PackageSignatures existingSigs, 2901 PackageParser.Package scannedPkg) { 2902 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 2903 return PackageManager.SIGNATURE_NO_MATCH; 2904 } 2905 2906 String msg = null; 2907 try { 2908 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 2909 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 2910 + scannedPkg.packageName); 2911 return PackageManager.SIGNATURE_MATCH; 2912 } 2913 } catch (CertificateException e) { 2914 msg = e.getMessage(); 2915 } 2916 2917 logCriticalInfo(Log.INFO, 2918 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 2919 return PackageManager.SIGNATURE_NO_MATCH; 2920 } 2921 2922 @Override 2923 public String[] getPackagesForUid(int uid) { 2924 uid = UserHandle.getAppId(uid); 2925 // reader 2926 synchronized (mPackages) { 2927 Object obj = mSettings.getUserIdLPr(uid); 2928 if (obj instanceof SharedUserSetting) { 2929 final SharedUserSetting sus = (SharedUserSetting) obj; 2930 final int N = sus.packages.size(); 2931 final String[] res = new String[N]; 2932 final Iterator<PackageSetting> it = sus.packages.iterator(); 2933 int i = 0; 2934 while (it.hasNext()) { 2935 res[i++] = it.next().name; 2936 } 2937 return res; 2938 } else if (obj instanceof PackageSetting) { 2939 final PackageSetting ps = (PackageSetting) obj; 2940 return new String[] { ps.name }; 2941 } 2942 } 2943 return null; 2944 } 2945 2946 @Override 2947 public String getNameForUid(int uid) { 2948 // reader 2949 synchronized (mPackages) { 2950 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2951 if (obj instanceof SharedUserSetting) { 2952 final SharedUserSetting sus = (SharedUserSetting) obj; 2953 return sus.name + ":" + sus.userId; 2954 } else if (obj instanceof PackageSetting) { 2955 final PackageSetting ps = (PackageSetting) obj; 2956 return ps.name; 2957 } 2958 } 2959 return null; 2960 } 2961 2962 @Override 2963 public int getUidForSharedUser(String sharedUserName) { 2964 if(sharedUserName == null) { 2965 return -1; 2966 } 2967 // reader 2968 synchronized (mPackages) { 2969 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2970 if (suid == null) { 2971 return -1; 2972 } 2973 return suid.userId; 2974 } 2975 } 2976 2977 @Override 2978 public int getFlagsForUid(int uid) { 2979 synchronized (mPackages) { 2980 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2981 if (obj instanceof SharedUserSetting) { 2982 final SharedUserSetting sus = (SharedUserSetting) obj; 2983 return sus.pkgFlags; 2984 } else if (obj instanceof PackageSetting) { 2985 final PackageSetting ps = (PackageSetting) obj; 2986 return ps.pkgFlags; 2987 } 2988 } 2989 return 0; 2990 } 2991 2992 @Override 2993 public boolean isUidPrivileged(int uid) { 2994 uid = UserHandle.getAppId(uid); 2995 // reader 2996 synchronized (mPackages) { 2997 Object obj = mSettings.getUserIdLPr(uid); 2998 if (obj instanceof SharedUserSetting) { 2999 final SharedUserSetting sus = (SharedUserSetting) obj; 3000 final Iterator<PackageSetting> it = sus.packages.iterator(); 3001 while (it.hasNext()) { 3002 if (it.next().isPrivileged()) { 3003 return true; 3004 } 3005 } 3006 } else if (obj instanceof PackageSetting) { 3007 final PackageSetting ps = (PackageSetting) obj; 3008 return ps.isPrivileged(); 3009 } 3010 } 3011 return false; 3012 } 3013 3014 @Override 3015 public String[] getAppOpPermissionPackages(String permissionName) { 3016 synchronized (mPackages) { 3017 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 3018 if (pkgs == null) { 3019 return null; 3020 } 3021 return pkgs.toArray(new String[pkgs.size()]); 3022 } 3023 } 3024 3025 @Override 3026 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3027 int flags, int userId) { 3028 if (!sUserManager.exists(userId)) return null; 3029 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 3030 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3031 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3032 } 3033 3034 @Override 3035 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3036 IntentFilter filter, int match, ComponentName activity) { 3037 final int userId = UserHandle.getCallingUserId(); 3038 if (DEBUG_PREFERRED) { 3039 Log.v(TAG, "setLastChosenActivity intent=" + intent 3040 + " resolvedType=" + resolvedType 3041 + " flags=" + flags 3042 + " filter=" + filter 3043 + " match=" + match 3044 + " activity=" + activity); 3045 filter.dump(new PrintStreamPrinter(System.out), " "); 3046 } 3047 intent.setComponent(null); 3048 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3049 // Find any earlier preferred or last chosen entries and nuke them 3050 findPreferredActivity(intent, resolvedType, 3051 flags, query, 0, false, true, false, userId); 3052 // Add the new activity as the last chosen for this filter 3053 addPreferredActivityInternal(filter, match, null, activity, false, userId, 3054 "Setting last chosen"); 3055 } 3056 3057 @Override 3058 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3059 final int userId = UserHandle.getCallingUserId(); 3060 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3061 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3062 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3063 false, false, false, userId); 3064 } 3065 3066 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3067 int flags, List<ResolveInfo> query, int userId) { 3068 if (query != null) { 3069 final int N = query.size(); 3070 if (N == 1) { 3071 return query.get(0); 3072 } else if (N > 1) { 3073 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3074 // If there is more than one activity with the same priority, 3075 // then let the user decide between them. 3076 ResolveInfo r0 = query.get(0); 3077 ResolveInfo r1 = query.get(1); 3078 if (DEBUG_INTENT_MATCHING || debug) { 3079 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3080 + r1.activityInfo.name + "=" + r1.priority); 3081 } 3082 // If the first activity has a higher priority, or a different 3083 // default, then it is always desireable to pick it. 3084 if (r0.priority != r1.priority 3085 || r0.preferredOrder != r1.preferredOrder 3086 || r0.isDefault != r1.isDefault) { 3087 return query.get(0); 3088 } 3089 // If we have saved a preference for a preferred activity for 3090 // this Intent, use that. 3091 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3092 flags, query, r0.priority, true, false, debug, userId); 3093 if (ri != null) { 3094 return ri; 3095 } 3096 if (userId != 0) { 3097 ri = new ResolveInfo(mResolveInfo); 3098 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3099 ri.activityInfo.applicationInfo = new ApplicationInfo( 3100 ri.activityInfo.applicationInfo); 3101 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3102 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3103 return ri; 3104 } 3105 return mResolveInfo; 3106 } 3107 } 3108 return null; 3109 } 3110 3111 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3112 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3113 final int N = query.size(); 3114 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3115 .get(userId); 3116 // Get the list of persistent preferred activities that handle the intent 3117 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3118 List<PersistentPreferredActivity> pprefs = ppir != null 3119 ? ppir.queryIntent(intent, resolvedType, 3120 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3121 : null; 3122 if (pprefs != null && pprefs.size() > 0) { 3123 final int M = pprefs.size(); 3124 for (int i=0; i<M; i++) { 3125 final PersistentPreferredActivity ppa = pprefs.get(i); 3126 if (DEBUG_PREFERRED || debug) { 3127 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3128 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3129 + "\n component=" + ppa.mComponent); 3130 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3131 } 3132 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3133 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3134 if (DEBUG_PREFERRED || debug) { 3135 Slog.v(TAG, "Found persistent preferred activity:"); 3136 if (ai != null) { 3137 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3138 } else { 3139 Slog.v(TAG, " null"); 3140 } 3141 } 3142 if (ai == null) { 3143 // This previously registered persistent preferred activity 3144 // component is no longer known. Ignore it and do NOT remove it. 3145 continue; 3146 } 3147 for (int j=0; j<N; j++) { 3148 final ResolveInfo ri = query.get(j); 3149 if (!ri.activityInfo.applicationInfo.packageName 3150 .equals(ai.applicationInfo.packageName)) { 3151 continue; 3152 } 3153 if (!ri.activityInfo.name.equals(ai.name)) { 3154 continue; 3155 } 3156 // Found a persistent preference that can handle the intent. 3157 if (DEBUG_PREFERRED || debug) { 3158 Slog.v(TAG, "Returning persistent preferred activity: " + 3159 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3160 } 3161 return ri; 3162 } 3163 } 3164 } 3165 return null; 3166 } 3167 3168 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3169 List<ResolveInfo> query, int priority, boolean always, 3170 boolean removeMatches, boolean debug, int userId) { 3171 if (!sUserManager.exists(userId)) return null; 3172 // writer 3173 synchronized (mPackages) { 3174 if (intent.getSelector() != null) { 3175 intent = intent.getSelector(); 3176 } 3177 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3178 3179 // Try to find a matching persistent preferred activity. 3180 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3181 debug, userId); 3182 3183 // If a persistent preferred activity matched, use it. 3184 if (pri != null) { 3185 return pri; 3186 } 3187 3188 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3189 // Get the list of preferred activities that handle the intent 3190 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3191 List<PreferredActivity> prefs = pir != null 3192 ? pir.queryIntent(intent, resolvedType, 3193 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3194 : null; 3195 if (prefs != null && prefs.size() > 0) { 3196 boolean changed = false; 3197 try { 3198 // First figure out how good the original match set is. 3199 // We will only allow preferred activities that came 3200 // from the same match quality. 3201 int match = 0; 3202 3203 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3204 3205 final int N = query.size(); 3206 for (int j=0; j<N; j++) { 3207 final ResolveInfo ri = query.get(j); 3208 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3209 + ": 0x" + Integer.toHexString(match)); 3210 if (ri.match > match) { 3211 match = ri.match; 3212 } 3213 } 3214 3215 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3216 + Integer.toHexString(match)); 3217 3218 match &= IntentFilter.MATCH_CATEGORY_MASK; 3219 final int M = prefs.size(); 3220 for (int i=0; i<M; i++) { 3221 final PreferredActivity pa = prefs.get(i); 3222 if (DEBUG_PREFERRED || debug) { 3223 Slog.v(TAG, "Checking PreferredActivity ds=" 3224 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3225 + "\n component=" + pa.mPref.mComponent); 3226 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3227 } 3228 if (pa.mPref.mMatch != match) { 3229 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3230 + Integer.toHexString(pa.mPref.mMatch)); 3231 continue; 3232 } 3233 // If it's not an "always" type preferred activity and that's what we're 3234 // looking for, skip it. 3235 if (always && !pa.mPref.mAlways) { 3236 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3237 continue; 3238 } 3239 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3240 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3241 if (DEBUG_PREFERRED || debug) { 3242 Slog.v(TAG, "Found preferred activity:"); 3243 if (ai != null) { 3244 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3245 } else { 3246 Slog.v(TAG, " null"); 3247 } 3248 } 3249 if (ai == null) { 3250 // This previously registered preferred activity 3251 // component is no longer known. Most likely an update 3252 // to the app was installed and in the new version this 3253 // component no longer exists. Clean it up by removing 3254 // it from the preferred activities list, and skip it. 3255 Slog.w(TAG, "Removing dangling preferred activity: " 3256 + pa.mPref.mComponent); 3257 pir.removeFilter(pa); 3258 changed = true; 3259 continue; 3260 } 3261 for (int j=0; j<N; j++) { 3262 final ResolveInfo ri = query.get(j); 3263 if (!ri.activityInfo.applicationInfo.packageName 3264 .equals(ai.applicationInfo.packageName)) { 3265 continue; 3266 } 3267 if (!ri.activityInfo.name.equals(ai.name)) { 3268 continue; 3269 } 3270 3271 if (removeMatches) { 3272 pir.removeFilter(pa); 3273 changed = true; 3274 if (DEBUG_PREFERRED) { 3275 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3276 } 3277 break; 3278 } 3279 3280 // Okay we found a previously set preferred or last chosen app. 3281 // If the result set is different from when this 3282 // was created, we need to clear it and re-ask the 3283 // user their preference, if we're looking for an "always" type entry. 3284 if (always && !pa.mPref.sameSet(query, priority)) { 3285 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3286 + intent + " type " + resolvedType); 3287 if (DEBUG_PREFERRED) { 3288 Slog.v(TAG, "Removing preferred activity since set changed " 3289 + pa.mPref.mComponent); 3290 } 3291 pir.removeFilter(pa); 3292 // Re-add the filter as a "last chosen" entry (!always) 3293 PreferredActivity lastChosen = new PreferredActivity( 3294 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3295 pir.addFilter(lastChosen); 3296 changed = true; 3297 return null; 3298 } 3299 3300 // Yay! Either the set matched or we're looking for the last chosen 3301 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3302 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3303 return ri; 3304 } 3305 } 3306 } finally { 3307 if (changed) { 3308 if (DEBUG_PREFERRED) { 3309 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3310 } 3311 scheduleWritePackageRestrictionsLocked(userId); 3312 } 3313 } 3314 } 3315 } 3316 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3317 return null; 3318 } 3319 3320 /* 3321 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3322 */ 3323 @Override 3324 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3325 int targetUserId) { 3326 mContext.enforceCallingOrSelfPermission( 3327 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3328 List<CrossProfileIntentFilter> matches = 3329 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3330 if (matches != null) { 3331 int size = matches.size(); 3332 for (int i = 0; i < size; i++) { 3333 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3334 } 3335 } 3336 return false; 3337 } 3338 3339 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3340 String resolvedType, int userId) { 3341 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3342 if (resolver != null) { 3343 return resolver.queryIntent(intent, resolvedType, false, userId); 3344 } 3345 return null; 3346 } 3347 3348 @Override 3349 public List<ResolveInfo> queryIntentActivities(Intent intent, 3350 String resolvedType, int flags, int userId) { 3351 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3352 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3353 ComponentName comp = intent.getComponent(); 3354 if (comp == null) { 3355 if (intent.getSelector() != null) { 3356 intent = intent.getSelector(); 3357 comp = intent.getComponent(); 3358 } 3359 } 3360 3361 if (comp != null) { 3362 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3363 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3364 if (ai != null) { 3365 final ResolveInfo ri = new ResolveInfo(); 3366 ri.activityInfo = ai; 3367 list.add(ri); 3368 } 3369 return list; 3370 } 3371 3372 // reader 3373 synchronized (mPackages) { 3374 final String pkgName = intent.getPackage(); 3375 if (pkgName == null) { 3376 List<CrossProfileIntentFilter> matchingFilters = 3377 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3378 // Check for results that need to skip the current profile. 3379 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3380 resolvedType, flags, userId); 3381 if (resolveInfo != null) { 3382 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3383 result.add(resolveInfo); 3384 return result; 3385 } 3386 // Check for cross profile results. 3387 resolveInfo = queryCrossProfileIntents( 3388 matchingFilters, intent, resolvedType, flags, userId); 3389 3390 // Check for results in the current profile. 3391 List<ResolveInfo> result = mActivities.queryIntent( 3392 intent, resolvedType, flags, userId); 3393 if (resolveInfo != null) { 3394 result.add(resolveInfo); 3395 Collections.sort(result, mResolvePrioritySorter); 3396 } 3397 return result; 3398 } 3399 final PackageParser.Package pkg = mPackages.get(pkgName); 3400 if (pkg != null) { 3401 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3402 pkg.activities, userId); 3403 } 3404 return new ArrayList<ResolveInfo>(); 3405 } 3406 } 3407 3408 private ResolveInfo querySkipCurrentProfileIntents( 3409 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3410 int flags, int sourceUserId) { 3411 if (matchingFilters != null) { 3412 int size = matchingFilters.size(); 3413 for (int i = 0; i < size; i ++) { 3414 CrossProfileIntentFilter filter = matchingFilters.get(i); 3415 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3416 // Checking if there are activities in the target user that can handle the 3417 // intent. 3418 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3419 flags, sourceUserId); 3420 if (resolveInfo != null) { 3421 return resolveInfo; 3422 } 3423 } 3424 } 3425 } 3426 return null; 3427 } 3428 3429 // Return matching ResolveInfo if any for skip current profile intent filters. 3430 private ResolveInfo queryCrossProfileIntents( 3431 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3432 int flags, int sourceUserId) { 3433 if (matchingFilters != null) { 3434 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3435 // match the same intent. For performance reasons, it is better not to 3436 // run queryIntent twice for the same userId 3437 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3438 int size = matchingFilters.size(); 3439 for (int i = 0; i < size; i++) { 3440 CrossProfileIntentFilter filter = matchingFilters.get(i); 3441 int targetUserId = filter.getTargetUserId(); 3442 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3443 && !alreadyTriedUserIds.get(targetUserId)) { 3444 // Checking if there are activities in the target user that can handle the 3445 // intent. 3446 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3447 flags, sourceUserId); 3448 if (resolveInfo != null) return resolveInfo; 3449 alreadyTriedUserIds.put(targetUserId, true); 3450 } 3451 } 3452 } 3453 return null; 3454 } 3455 3456 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3457 String resolvedType, int flags, int sourceUserId) { 3458 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3459 resolvedType, flags, filter.getTargetUserId()); 3460 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3461 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3462 } 3463 return null; 3464 } 3465 3466 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3467 int sourceUserId, int targetUserId) { 3468 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3469 String className; 3470 if (targetUserId == UserHandle.USER_OWNER) { 3471 className = FORWARD_INTENT_TO_USER_OWNER; 3472 } else { 3473 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3474 } 3475 ComponentName forwardingActivityComponentName = new ComponentName( 3476 mAndroidApplication.packageName, className); 3477 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3478 sourceUserId); 3479 if (targetUserId == UserHandle.USER_OWNER) { 3480 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3481 forwardingResolveInfo.noResourceId = true; 3482 } 3483 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3484 forwardingResolveInfo.priority = 0; 3485 forwardingResolveInfo.preferredOrder = 0; 3486 forwardingResolveInfo.match = 0; 3487 forwardingResolveInfo.isDefault = true; 3488 forwardingResolveInfo.filter = filter; 3489 forwardingResolveInfo.targetUserId = targetUserId; 3490 return forwardingResolveInfo; 3491 } 3492 3493 @Override 3494 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3495 Intent[] specifics, String[] specificTypes, Intent intent, 3496 String resolvedType, int flags, int userId) { 3497 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3498 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3499 false, "query intent activity options"); 3500 final String resultsAction = intent.getAction(); 3501 3502 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3503 | PackageManager.GET_RESOLVED_FILTER, userId); 3504 3505 if (DEBUG_INTENT_MATCHING) { 3506 Log.v(TAG, "Query " + intent + ": " + results); 3507 } 3508 3509 int specificsPos = 0; 3510 int N; 3511 3512 // todo: note that the algorithm used here is O(N^2). This 3513 // isn't a problem in our current environment, but if we start running 3514 // into situations where we have more than 5 or 10 matches then this 3515 // should probably be changed to something smarter... 3516 3517 // First we go through and resolve each of the specific items 3518 // that were supplied, taking care of removing any corresponding 3519 // duplicate items in the generic resolve list. 3520 if (specifics != null) { 3521 for (int i=0; i<specifics.length; i++) { 3522 final Intent sintent = specifics[i]; 3523 if (sintent == null) { 3524 continue; 3525 } 3526 3527 if (DEBUG_INTENT_MATCHING) { 3528 Log.v(TAG, "Specific #" + i + ": " + sintent); 3529 } 3530 3531 String action = sintent.getAction(); 3532 if (resultsAction != null && resultsAction.equals(action)) { 3533 // If this action was explicitly requested, then don't 3534 // remove things that have it. 3535 action = null; 3536 } 3537 3538 ResolveInfo ri = null; 3539 ActivityInfo ai = null; 3540 3541 ComponentName comp = sintent.getComponent(); 3542 if (comp == null) { 3543 ri = resolveIntent( 3544 sintent, 3545 specificTypes != null ? specificTypes[i] : null, 3546 flags, userId); 3547 if (ri == null) { 3548 continue; 3549 } 3550 if (ri == mResolveInfo) { 3551 // ACK! Must do something better with this. 3552 } 3553 ai = ri.activityInfo; 3554 comp = new ComponentName(ai.applicationInfo.packageName, 3555 ai.name); 3556 } else { 3557 ai = getActivityInfo(comp, flags, userId); 3558 if (ai == null) { 3559 continue; 3560 } 3561 } 3562 3563 // Look for any generic query activities that are duplicates 3564 // of this specific one, and remove them from the results. 3565 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3566 N = results.size(); 3567 int j; 3568 for (j=specificsPos; j<N; j++) { 3569 ResolveInfo sri = results.get(j); 3570 if ((sri.activityInfo.name.equals(comp.getClassName()) 3571 && sri.activityInfo.applicationInfo.packageName.equals( 3572 comp.getPackageName())) 3573 || (action != null && sri.filter.matchAction(action))) { 3574 results.remove(j); 3575 if (DEBUG_INTENT_MATCHING) Log.v( 3576 TAG, "Removing duplicate item from " + j 3577 + " due to specific " + specificsPos); 3578 if (ri == null) { 3579 ri = sri; 3580 } 3581 j--; 3582 N--; 3583 } 3584 } 3585 3586 // Add this specific item to its proper place. 3587 if (ri == null) { 3588 ri = new ResolveInfo(); 3589 ri.activityInfo = ai; 3590 } 3591 results.add(specificsPos, ri); 3592 ri.specificIndex = i; 3593 specificsPos++; 3594 } 3595 } 3596 3597 // Now we go through the remaining generic results and remove any 3598 // duplicate actions that are found here. 3599 N = results.size(); 3600 for (int i=specificsPos; i<N-1; i++) { 3601 final ResolveInfo rii = results.get(i); 3602 if (rii.filter == null) { 3603 continue; 3604 } 3605 3606 // Iterate over all of the actions of this result's intent 3607 // filter... typically this should be just one. 3608 final Iterator<String> it = rii.filter.actionsIterator(); 3609 if (it == null) { 3610 continue; 3611 } 3612 while (it.hasNext()) { 3613 final String action = it.next(); 3614 if (resultsAction != null && resultsAction.equals(action)) { 3615 // If this action was explicitly requested, then don't 3616 // remove things that have it. 3617 continue; 3618 } 3619 for (int j=i+1; j<N; j++) { 3620 final ResolveInfo rij = results.get(j); 3621 if (rij.filter != null && rij.filter.hasAction(action)) { 3622 results.remove(j); 3623 if (DEBUG_INTENT_MATCHING) Log.v( 3624 TAG, "Removing duplicate item from " + j 3625 + " due to action " + action + " at " + i); 3626 j--; 3627 N--; 3628 } 3629 } 3630 } 3631 3632 // If the caller didn't request filter information, drop it now 3633 // so we don't have to marshall/unmarshall it. 3634 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3635 rii.filter = null; 3636 } 3637 } 3638 3639 // Filter out the caller activity if so requested. 3640 if (caller != null) { 3641 N = results.size(); 3642 for (int i=0; i<N; i++) { 3643 ActivityInfo ainfo = results.get(i).activityInfo; 3644 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3645 && caller.getClassName().equals(ainfo.name)) { 3646 results.remove(i); 3647 break; 3648 } 3649 } 3650 } 3651 3652 // If the caller didn't request filter information, 3653 // drop them now so we don't have to 3654 // marshall/unmarshall it. 3655 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3656 N = results.size(); 3657 for (int i=0; i<N; i++) { 3658 results.get(i).filter = null; 3659 } 3660 } 3661 3662 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3663 return results; 3664 } 3665 3666 @Override 3667 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3668 int userId) { 3669 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3670 ComponentName comp = intent.getComponent(); 3671 if (comp == null) { 3672 if (intent.getSelector() != null) { 3673 intent = intent.getSelector(); 3674 comp = intent.getComponent(); 3675 } 3676 } 3677 if (comp != null) { 3678 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3679 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3680 if (ai != null) { 3681 ResolveInfo ri = new ResolveInfo(); 3682 ri.activityInfo = ai; 3683 list.add(ri); 3684 } 3685 return list; 3686 } 3687 3688 // reader 3689 synchronized (mPackages) { 3690 String pkgName = intent.getPackage(); 3691 if (pkgName == null) { 3692 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3693 } 3694 final PackageParser.Package pkg = mPackages.get(pkgName); 3695 if (pkg != null) { 3696 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3697 userId); 3698 } 3699 return null; 3700 } 3701 } 3702 3703 @Override 3704 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3705 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3706 if (!sUserManager.exists(userId)) return null; 3707 if (query != null) { 3708 if (query.size() >= 1) { 3709 // If there is more than one service with the same priority, 3710 // just arbitrarily pick the first one. 3711 return query.get(0); 3712 } 3713 } 3714 return null; 3715 } 3716 3717 @Override 3718 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3719 int userId) { 3720 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3721 ComponentName comp = intent.getComponent(); 3722 if (comp == null) { 3723 if (intent.getSelector() != null) { 3724 intent = intent.getSelector(); 3725 comp = intent.getComponent(); 3726 } 3727 } 3728 if (comp != null) { 3729 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3730 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3731 if (si != null) { 3732 final ResolveInfo ri = new ResolveInfo(); 3733 ri.serviceInfo = si; 3734 list.add(ri); 3735 } 3736 return list; 3737 } 3738 3739 // reader 3740 synchronized (mPackages) { 3741 String pkgName = intent.getPackage(); 3742 if (pkgName == null) { 3743 return mServices.queryIntent(intent, resolvedType, flags, userId); 3744 } 3745 final PackageParser.Package pkg = mPackages.get(pkgName); 3746 if (pkg != null) { 3747 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3748 userId); 3749 } 3750 return null; 3751 } 3752 } 3753 3754 @Override 3755 public List<ResolveInfo> queryIntentContentProviders( 3756 Intent intent, String resolvedType, int flags, int userId) { 3757 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3758 ComponentName comp = intent.getComponent(); 3759 if (comp == null) { 3760 if (intent.getSelector() != null) { 3761 intent = intent.getSelector(); 3762 comp = intent.getComponent(); 3763 } 3764 } 3765 if (comp != null) { 3766 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3767 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3768 if (pi != null) { 3769 final ResolveInfo ri = new ResolveInfo(); 3770 ri.providerInfo = pi; 3771 list.add(ri); 3772 } 3773 return list; 3774 } 3775 3776 // reader 3777 synchronized (mPackages) { 3778 String pkgName = intent.getPackage(); 3779 if (pkgName == null) { 3780 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3781 } 3782 final PackageParser.Package pkg = mPackages.get(pkgName); 3783 if (pkg != null) { 3784 return mProviders.queryIntentForPackage( 3785 intent, resolvedType, flags, pkg.providers, userId); 3786 } 3787 return null; 3788 } 3789 } 3790 3791 @Override 3792 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3793 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3794 3795 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3796 3797 // writer 3798 synchronized (mPackages) { 3799 ArrayList<PackageInfo> list; 3800 if (listUninstalled) { 3801 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3802 for (PackageSetting ps : mSettings.mPackages.values()) { 3803 PackageInfo pi; 3804 if (ps.pkg != null) { 3805 pi = generatePackageInfo(ps.pkg, flags, userId); 3806 } else { 3807 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3808 } 3809 if (pi != null) { 3810 list.add(pi); 3811 } 3812 } 3813 } else { 3814 list = new ArrayList<PackageInfo>(mPackages.size()); 3815 for (PackageParser.Package p : mPackages.values()) { 3816 PackageInfo pi = generatePackageInfo(p, flags, userId); 3817 if (pi != null) { 3818 list.add(pi); 3819 } 3820 } 3821 } 3822 3823 return new ParceledListSlice<PackageInfo>(list); 3824 } 3825 } 3826 3827 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3828 String[] permissions, boolean[] tmp, int flags, int userId) { 3829 int numMatch = 0; 3830 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3831 for (int i=0; i<permissions.length; i++) { 3832 if (gp.grantedPermissions.contains(permissions[i])) { 3833 tmp[i] = true; 3834 numMatch++; 3835 } else { 3836 tmp[i] = false; 3837 } 3838 } 3839 if (numMatch == 0) { 3840 return; 3841 } 3842 PackageInfo pi; 3843 if (ps.pkg != null) { 3844 pi = generatePackageInfo(ps.pkg, flags, userId); 3845 } else { 3846 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3847 } 3848 // The above might return null in cases of uninstalled apps or install-state 3849 // skew across users/profiles. 3850 if (pi != null) { 3851 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3852 if (numMatch == permissions.length) { 3853 pi.requestedPermissions = permissions; 3854 } else { 3855 pi.requestedPermissions = new String[numMatch]; 3856 numMatch = 0; 3857 for (int i=0; i<permissions.length; i++) { 3858 if (tmp[i]) { 3859 pi.requestedPermissions[numMatch] = permissions[i]; 3860 numMatch++; 3861 } 3862 } 3863 } 3864 } 3865 list.add(pi); 3866 } 3867 } 3868 3869 @Override 3870 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3871 String[] permissions, int flags, int userId) { 3872 if (!sUserManager.exists(userId)) return null; 3873 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3874 3875 // writer 3876 synchronized (mPackages) { 3877 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3878 boolean[] tmpBools = new boolean[permissions.length]; 3879 if (listUninstalled) { 3880 for (PackageSetting ps : mSettings.mPackages.values()) { 3881 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3882 } 3883 } else { 3884 for (PackageParser.Package pkg : mPackages.values()) { 3885 PackageSetting ps = (PackageSetting)pkg.mExtras; 3886 if (ps != null) { 3887 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3888 userId); 3889 } 3890 } 3891 } 3892 3893 return new ParceledListSlice<PackageInfo>(list); 3894 } 3895 } 3896 3897 @Override 3898 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3899 if (!sUserManager.exists(userId)) return null; 3900 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3901 3902 // writer 3903 synchronized (mPackages) { 3904 ArrayList<ApplicationInfo> list; 3905 if (listUninstalled) { 3906 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3907 for (PackageSetting ps : mSettings.mPackages.values()) { 3908 ApplicationInfo ai; 3909 if (ps.pkg != null) { 3910 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3911 ps.readUserState(userId), userId); 3912 } else { 3913 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3914 } 3915 if (ai != null) { 3916 list.add(ai); 3917 } 3918 } 3919 } else { 3920 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3921 for (PackageParser.Package p : mPackages.values()) { 3922 if (p.mExtras != null) { 3923 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3924 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3925 if (ai != null) { 3926 list.add(ai); 3927 } 3928 } 3929 } 3930 } 3931 3932 return new ParceledListSlice<ApplicationInfo>(list); 3933 } 3934 } 3935 3936 public List<ApplicationInfo> getPersistentApplications(int flags) { 3937 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3938 3939 // reader 3940 synchronized (mPackages) { 3941 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3942 final int userId = UserHandle.getCallingUserId(); 3943 while (i.hasNext()) { 3944 final PackageParser.Package p = i.next(); 3945 if (p.applicationInfo != null 3946 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3947 && (!mSafeMode || isSystemApp(p))) { 3948 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3949 if (ps != null) { 3950 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3951 ps.readUserState(userId), userId); 3952 if (ai != null) { 3953 finalList.add(ai); 3954 } 3955 } 3956 } 3957 } 3958 } 3959 3960 return finalList; 3961 } 3962 3963 @Override 3964 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3965 if (!sUserManager.exists(userId)) return null; 3966 // reader 3967 synchronized (mPackages) { 3968 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3969 PackageSetting ps = provider != null 3970 ? mSettings.mPackages.get(provider.owner.packageName) 3971 : null; 3972 return ps != null 3973 && mSettings.isEnabledLPr(provider.info, flags, userId) 3974 && (!mSafeMode || (provider.info.applicationInfo.flags 3975 &ApplicationInfo.FLAG_SYSTEM) != 0) 3976 ? PackageParser.generateProviderInfo(provider, flags, 3977 ps.readUserState(userId), userId) 3978 : null; 3979 } 3980 } 3981 3982 /** 3983 * @deprecated 3984 */ 3985 @Deprecated 3986 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3987 // reader 3988 synchronized (mPackages) { 3989 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3990 .entrySet().iterator(); 3991 final int userId = UserHandle.getCallingUserId(); 3992 while (i.hasNext()) { 3993 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3994 PackageParser.Provider p = entry.getValue(); 3995 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3996 3997 if (ps != null && p.syncable 3998 && (!mSafeMode || (p.info.applicationInfo.flags 3999 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 4000 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 4001 ps.readUserState(userId), userId); 4002 if (info != null) { 4003 outNames.add(entry.getKey()); 4004 outInfo.add(info); 4005 } 4006 } 4007 } 4008 } 4009 } 4010 4011 @Override 4012 public List<ProviderInfo> queryContentProviders(String processName, 4013 int uid, int flags) { 4014 ArrayList<ProviderInfo> finalList = null; 4015 // reader 4016 synchronized (mPackages) { 4017 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 4018 final int userId = processName != null ? 4019 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 4020 while (i.hasNext()) { 4021 final PackageParser.Provider p = i.next(); 4022 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 4023 if (ps != null && p.info.authority != null 4024 && (processName == null 4025 || (p.info.processName.equals(processName) 4026 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 4027 && mSettings.isEnabledLPr(p.info, flags, userId) 4028 && (!mSafeMode 4029 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4030 if (finalList == null) { 4031 finalList = new ArrayList<ProviderInfo>(3); 4032 } 4033 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4034 ps.readUserState(userId), userId); 4035 if (info != null) { 4036 finalList.add(info); 4037 } 4038 } 4039 } 4040 } 4041 4042 if (finalList != null) { 4043 Collections.sort(finalList, mProviderInitOrderSorter); 4044 } 4045 4046 return finalList; 4047 } 4048 4049 @Override 4050 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4051 int flags) { 4052 // reader 4053 synchronized (mPackages) { 4054 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4055 return PackageParser.generateInstrumentationInfo(i, flags); 4056 } 4057 } 4058 4059 @Override 4060 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4061 int flags) { 4062 ArrayList<InstrumentationInfo> finalList = 4063 new ArrayList<InstrumentationInfo>(); 4064 4065 // reader 4066 synchronized (mPackages) { 4067 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4068 while (i.hasNext()) { 4069 final PackageParser.Instrumentation p = i.next(); 4070 if (targetPackage == null 4071 || targetPackage.equals(p.info.targetPackage)) { 4072 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4073 flags); 4074 if (ii != null) { 4075 finalList.add(ii); 4076 } 4077 } 4078 } 4079 } 4080 4081 return finalList; 4082 } 4083 4084 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4085 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4086 if (overlays == null) { 4087 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4088 return; 4089 } 4090 for (PackageParser.Package opkg : overlays.values()) { 4091 // Not much to do if idmap fails: we already logged the error 4092 // and we certainly don't want to abort installation of pkg simply 4093 // because an overlay didn't fit properly. For these reasons, 4094 // ignore the return value of createIdmapForPackagePairLI. 4095 createIdmapForPackagePairLI(pkg, opkg); 4096 } 4097 } 4098 4099 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4100 PackageParser.Package opkg) { 4101 if (!opkg.mTrustedOverlay) { 4102 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4103 opkg.baseCodePath + ": overlay not trusted"); 4104 return false; 4105 } 4106 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4107 if (overlaySet == null) { 4108 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4109 opkg.baseCodePath + " but target package has no known overlays"); 4110 return false; 4111 } 4112 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4113 // TODO: generate idmap for split APKs 4114 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4115 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4116 + opkg.baseCodePath); 4117 return false; 4118 } 4119 PackageParser.Package[] overlayArray = 4120 overlaySet.values().toArray(new PackageParser.Package[0]); 4121 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4122 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4123 return p1.mOverlayPriority - p2.mOverlayPriority; 4124 } 4125 }; 4126 Arrays.sort(overlayArray, cmp); 4127 4128 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4129 int i = 0; 4130 for (PackageParser.Package p : overlayArray) { 4131 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4132 } 4133 return true; 4134 } 4135 4136 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4137 final File[] files = dir.listFiles(); 4138 if (ArrayUtils.isEmpty(files)) { 4139 Log.d(TAG, "No files in app dir " + dir); 4140 return; 4141 } 4142 4143 if (DEBUG_PACKAGE_SCANNING) { 4144 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4145 + " flags=0x" + Integer.toHexString(parseFlags)); 4146 } 4147 4148 for (File file : files) { 4149 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4150 && !PackageInstallerService.isStageName(file.getName()); 4151 if (!isPackage) { 4152 // Ignore entries which are not packages 4153 continue; 4154 } 4155 try { 4156 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4157 scanFlags, currentTime, null); 4158 } catch (PackageManagerException e) { 4159 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4160 4161 // Delete invalid userdata apps 4162 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4163 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4164 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4165 if (file.isDirectory()) { 4166 FileUtils.deleteContents(file); 4167 } 4168 file.delete(); 4169 } 4170 } 4171 } 4172 } 4173 4174 private static File getSettingsProblemFile() { 4175 File dataDir = Environment.getDataDirectory(); 4176 File systemDir = new File(dataDir, "system"); 4177 File fname = new File(systemDir, "uiderrors.txt"); 4178 return fname; 4179 } 4180 4181 static void reportSettingsProblem(int priority, String msg) { 4182 logCriticalInfo(priority, msg); 4183 } 4184 4185 static void logCriticalInfo(int priority, String msg) { 4186 Slog.println(priority, TAG, msg); 4187 EventLogTags.writePmCriticalInfo(msg); 4188 try { 4189 File fname = getSettingsProblemFile(); 4190 FileOutputStream out = new FileOutputStream(fname, true); 4191 PrintWriter pw = new FastPrintWriter(out); 4192 SimpleDateFormat formatter = new SimpleDateFormat(); 4193 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4194 pw.println(dateString + ": " + msg); 4195 pw.close(); 4196 FileUtils.setPermissions( 4197 fname.toString(), 4198 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4199 -1, -1); 4200 } catch (java.io.IOException e) { 4201 } 4202 } 4203 4204 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4205 PackageParser.Package pkg, File srcFile, int parseFlags) 4206 throws PackageManagerException { 4207 if (ps != null 4208 && ps.codePath.equals(srcFile) 4209 && ps.timeStamp == srcFile.lastModified() 4210 && !isCompatSignatureUpdateNeeded(pkg) 4211 && !isRecoverSignatureUpdateNeeded(pkg)) { 4212 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4213 if (ps.signatures.mSignatures != null 4214 && ps.signatures.mSignatures.length != 0 4215 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4216 // Optimization: reuse the existing cached certificates 4217 // if the package appears to be unchanged. 4218 pkg.mSignatures = ps.signatures.mSignatures; 4219 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4220 synchronized (mPackages) { 4221 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4222 } 4223 return; 4224 } 4225 4226 Slog.w(TAG, "PackageSetting for " + ps.name 4227 + " is missing signatures. Collecting certs again to recover them."); 4228 } else { 4229 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4230 } 4231 4232 try { 4233 pp.collectCertificates(pkg, parseFlags); 4234 pp.collectManifestDigest(pkg); 4235 } catch (PackageParserException e) { 4236 throw PackageManagerException.from(e); 4237 } 4238 } 4239 4240 /* 4241 * Scan a package and return the newly parsed package. 4242 * Returns null in case of errors and the error code is stored in mLastScanError 4243 */ 4244 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4245 long currentTime, UserHandle user) throws PackageManagerException { 4246 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4247 parseFlags |= mDefParseFlags; 4248 PackageParser pp = new PackageParser(); 4249 pp.setSeparateProcesses(mSeparateProcesses); 4250 pp.setOnlyCoreApps(mOnlyCore); 4251 pp.setDisplayMetrics(mMetrics); 4252 4253 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4254 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4255 } 4256 4257 final PackageParser.Package pkg; 4258 try { 4259 pkg = pp.parsePackage(scanFile, parseFlags); 4260 } catch (PackageParserException e) { 4261 throw PackageManagerException.from(e); 4262 } 4263 4264 PackageSetting ps = null; 4265 PackageSetting updatedPkg; 4266 // reader 4267 synchronized (mPackages) { 4268 // Look to see if we already know about this package. 4269 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4270 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4271 // This package has been renamed to its original name. Let's 4272 // use that. 4273 ps = mSettings.peekPackageLPr(oldName); 4274 } 4275 // If there was no original package, see one for the real package name. 4276 if (ps == null) { 4277 ps = mSettings.peekPackageLPr(pkg.packageName); 4278 } 4279 // Check to see if this package could be hiding/updating a system 4280 // package. Must look for it either under the original or real 4281 // package name depending on our state. 4282 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4283 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4284 } 4285 boolean updatedPkgBetter = false; 4286 // First check if this is a system package that may involve an update 4287 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4288 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4289 // it needs to drop FLAG_PRIVILEGED. 4290 if (locationIsPrivileged(scanFile)) { 4291 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4292 } else { 4293 updatedPkg.pkgFlags &= ~ApplicationInfo.FLAG_PRIVILEGED; 4294 } 4295 4296 if (ps != null && !ps.codePath.equals(scanFile)) { 4297 // The path has changed from what was last scanned... check the 4298 // version of the new path against what we have stored to determine 4299 // what to do. 4300 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4301 if (pkg.mVersionCode <= ps.versionCode) { 4302 // The system package has been updated and the code path does not match 4303 // Ignore entry. Skip it. 4304 Slog.i(TAG, "Package " + ps.name + " at " + scanFile 4305 + " ignored: updated version " + ps.versionCode 4306 + " better than this " + pkg.mVersionCode); 4307 if (!updatedPkg.codePath.equals(scanFile)) { 4308 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4309 + ps.name + " changing from " + updatedPkg.codePathString 4310 + " to " + scanFile); 4311 updatedPkg.codePath = scanFile; 4312 updatedPkg.codePathString = scanFile.toString(); 4313 updatedPkg.resourcePath = scanFile; 4314 updatedPkg.resourcePathString = scanFile.toString(); 4315 } 4316 updatedPkg.pkg = pkg; 4317 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4318 } else { 4319 // The current app on the system partition is better than 4320 // what we have updated to on the data partition; switch 4321 // back to the system partition version. 4322 // At this point, its safely assumed that package installation for 4323 // apps in system partition will go through. If not there won't be a working 4324 // version of the app 4325 // writer 4326 synchronized (mPackages) { 4327 // Just remove the loaded entries from package lists. 4328 mPackages.remove(ps.name); 4329 } 4330 4331 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4332 + " reverting from " + ps.codePathString 4333 + ": new version " + pkg.mVersionCode 4334 + " better than installed " + ps.versionCode); 4335 4336 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4337 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4338 getAppDexInstructionSets(ps)); 4339 synchronized (mInstallLock) { 4340 args.cleanUpResourcesLI(); 4341 } 4342 synchronized (mPackages) { 4343 mSettings.enableSystemPackageLPw(ps.name); 4344 } 4345 updatedPkgBetter = true; 4346 } 4347 } 4348 } 4349 4350 if (updatedPkg != null) { 4351 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4352 // initially 4353 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4354 4355 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4356 // flag set initially 4357 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4358 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4359 } 4360 } 4361 4362 // Verify certificates against what was last scanned 4363 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4364 4365 /* 4366 * A new system app appeared, but we already had a non-system one of the 4367 * same name installed earlier. 4368 */ 4369 boolean shouldHideSystemApp = false; 4370 if (updatedPkg == null && ps != null 4371 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4372 /* 4373 * Check to make sure the signatures match first. If they don't, 4374 * wipe the installed application and its data. 4375 */ 4376 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4377 != PackageManager.SIGNATURE_MATCH) { 4378 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4379 + " signatures don't match existing userdata copy; removing"); 4380 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4381 ps = null; 4382 } else { 4383 /* 4384 * If the newly-added system app is an older version than the 4385 * already installed version, hide it. It will be scanned later 4386 * and re-added like an update. 4387 */ 4388 if (pkg.mVersionCode <= ps.versionCode) { 4389 shouldHideSystemApp = true; 4390 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4391 + " but new version " + pkg.mVersionCode + " better than installed " 4392 + ps.versionCode + "; hiding system"); 4393 } else { 4394 /* 4395 * The newly found system app is a newer version that the 4396 * one previously installed. Simply remove the 4397 * already-installed application and replace it with our own 4398 * while keeping the application data. 4399 */ 4400 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4401 + " reverting from " + ps.codePathString + ": new version " 4402 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4403 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4404 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4405 getAppDexInstructionSets(ps)); 4406 synchronized (mInstallLock) { 4407 args.cleanUpResourcesLI(); 4408 } 4409 } 4410 } 4411 } 4412 4413 // The apk is forward locked (not public) if its code and resources 4414 // are kept in different files. (except for app in either system or 4415 // vendor path). 4416 // TODO grab this value from PackageSettings 4417 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4418 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4419 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4420 } 4421 } 4422 4423 // TODO: extend to support forward-locked splits 4424 String resourcePath = null; 4425 String baseResourcePath = null; 4426 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4427 if (ps != null && ps.resourcePathString != null) { 4428 resourcePath = ps.resourcePathString; 4429 baseResourcePath = ps.resourcePathString; 4430 } else { 4431 // Should not happen at all. Just log an error. 4432 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4433 } 4434 } else { 4435 resourcePath = pkg.codePath; 4436 baseResourcePath = pkg.baseCodePath; 4437 } 4438 4439 // Set application objects path explicitly. 4440 pkg.applicationInfo.setCodePath(pkg.codePath); 4441 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4442 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4443 pkg.applicationInfo.setResourcePath(resourcePath); 4444 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4445 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4446 4447 // Note that we invoke the following method only if we are about to unpack an application 4448 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4449 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4450 4451 /* 4452 * If the system app should be overridden by a previously installed 4453 * data, hide the system app now and let the /data/app scan pick it up 4454 * again. 4455 */ 4456 if (shouldHideSystemApp) { 4457 synchronized (mPackages) { 4458 /* 4459 * We have to grant systems permissions before we hide, because 4460 * grantPermissions will assume the package update is trying to 4461 * expand its permissions. 4462 */ 4463 grantPermissionsLPw(pkg, true, pkg.packageName); 4464 mSettings.disableSystemPackageLPw(pkg.packageName); 4465 } 4466 } 4467 4468 return scannedPkg; 4469 } 4470 4471 private static String fixProcessName(String defProcessName, 4472 String processName, int uid) { 4473 if (processName == null) { 4474 return defProcessName; 4475 } 4476 return processName; 4477 } 4478 4479 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4480 throws PackageManagerException { 4481 if (pkgSetting.signatures.mSignatures != null) { 4482 // Already existing package. Make sure signatures match 4483 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4484 == PackageManager.SIGNATURE_MATCH; 4485 if (!match) { 4486 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4487 == PackageManager.SIGNATURE_MATCH; 4488 } 4489 if (!match) { 4490 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 4491 == PackageManager.SIGNATURE_MATCH; 4492 } 4493 if (!match) { 4494 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4495 + pkg.packageName + " signatures do not match the " 4496 + "previously installed version; ignoring!"); 4497 } 4498 } 4499 4500 // Check for shared user signatures 4501 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4502 // Already existing package. Make sure signatures match 4503 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4504 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4505 if (!match) { 4506 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4507 == PackageManager.SIGNATURE_MATCH; 4508 } 4509 if (!match) { 4510 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 4511 == PackageManager.SIGNATURE_MATCH; 4512 } 4513 if (!match) { 4514 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4515 "Package " + pkg.packageName 4516 + " has no signatures that match those in shared user " 4517 + pkgSetting.sharedUser.name + "; ignoring!"); 4518 } 4519 } 4520 } 4521 4522 /** 4523 * Enforces that only the system UID or root's UID can call a method exposed 4524 * via Binder. 4525 * 4526 * @param message used as message if SecurityException is thrown 4527 * @throws SecurityException if the caller is not system or root 4528 */ 4529 private static final void enforceSystemOrRoot(String message) { 4530 final int uid = Binder.getCallingUid(); 4531 if (uid != Process.SYSTEM_UID && uid != 0) { 4532 throw new SecurityException(message); 4533 } 4534 } 4535 4536 @Override 4537 public void performBootDexOpt() { 4538 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4539 4540 // Before everything else, see whether we need to fstrim. 4541 try { 4542 IMountService ms = PackageHelper.getMountService(); 4543 if (ms != null) { 4544 final long interval = android.provider.Settings.Global.getLong( 4545 mContext.getContentResolver(), 4546 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 4547 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 4548 if (interval > 0) { 4549 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 4550 if (timeSinceLast > interval) { 4551 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 4552 + "; running immediately"); 4553 if (!isFirstBoot()) { 4554 try { 4555 ActivityManagerNative.getDefault().showBootMessage( 4556 mContext.getResources().getString( 4557 R.string.android_upgrading_fstrim), true); 4558 } catch (RemoteException e) { 4559 } 4560 } 4561 ms.runMaintenance(); 4562 } 4563 } 4564 } else { 4565 Slog.e(TAG, "Mount service unavailable!"); 4566 } 4567 } catch (RemoteException e) { 4568 // Can't happen; MountService is local 4569 } 4570 4571 final ArraySet<PackageParser.Package> pkgs; 4572 synchronized (mPackages) { 4573 pkgs = mDeferredDexOpt; 4574 mDeferredDexOpt = null; 4575 } 4576 4577 if (pkgs != null) { 4578 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4579 // in case the device runs out of space. 4580 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4581 // Give priority to core apps. 4582 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4583 PackageParser.Package pkg = it.next(); 4584 if (pkg.coreApp) { 4585 if (DEBUG_DEXOPT) { 4586 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4587 } 4588 sortedPkgs.add(pkg); 4589 it.remove(); 4590 } 4591 } 4592 // Give priority to system apps that listen for pre boot complete. 4593 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4594 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 4595 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4596 PackageParser.Package pkg = it.next(); 4597 if (pkgNames.contains(pkg.packageName)) { 4598 if (DEBUG_DEXOPT) { 4599 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4600 } 4601 sortedPkgs.add(pkg); 4602 it.remove(); 4603 } 4604 } 4605 // Give priority to system apps. 4606 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4607 PackageParser.Package pkg = it.next(); 4608 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4609 if (DEBUG_DEXOPT) { 4610 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4611 } 4612 sortedPkgs.add(pkg); 4613 it.remove(); 4614 } 4615 } 4616 // Give priority to updated system apps. 4617 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4618 PackageParser.Package pkg = it.next(); 4619 if (isUpdatedSystemApp(pkg)) { 4620 if (DEBUG_DEXOPT) { 4621 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4622 } 4623 sortedPkgs.add(pkg); 4624 it.remove(); 4625 } 4626 } 4627 // Give priority to apps that listen for boot complete. 4628 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4629 pkgNames = getPackageNamesForIntent(intent); 4630 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4631 PackageParser.Package pkg = it.next(); 4632 if (pkgNames.contains(pkg.packageName)) { 4633 if (DEBUG_DEXOPT) { 4634 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4635 } 4636 sortedPkgs.add(pkg); 4637 it.remove(); 4638 } 4639 } 4640 // Filter out packages that aren't recently used. 4641 filterRecentlyUsedApps(pkgs); 4642 // Add all remaining apps. 4643 for (PackageParser.Package pkg : pkgs) { 4644 if (DEBUG_DEXOPT) { 4645 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4646 } 4647 sortedPkgs.add(pkg); 4648 } 4649 4650 // If we want to be lazy, filter everything that wasn't recently used. 4651 if (mLazyDexOpt) { 4652 filterRecentlyUsedApps(sortedPkgs); 4653 } 4654 4655 int i = 0; 4656 int total = sortedPkgs.size(); 4657 File dataDir = Environment.getDataDirectory(); 4658 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4659 if (lowThreshold == 0) { 4660 throw new IllegalStateException("Invalid low memory threshold"); 4661 } 4662 for (PackageParser.Package pkg : sortedPkgs) { 4663 long usableSpace = dataDir.getUsableSpace(); 4664 if (usableSpace < lowThreshold) { 4665 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4666 break; 4667 } 4668 performBootDexOpt(pkg, ++i, total); 4669 } 4670 } 4671 } 4672 4673 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 4674 // Filter out packages that aren't recently used. 4675 // 4676 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4677 // should do a full dexopt. 4678 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4679 int total = pkgs.size(); 4680 int skipped = 0; 4681 long now = System.currentTimeMillis(); 4682 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4683 PackageParser.Package pkg = i.next(); 4684 long then = pkg.mLastPackageUsageTimeInMills; 4685 if (then + mDexOptLRUThresholdInMills < now) { 4686 if (DEBUG_DEXOPT) { 4687 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4688 ((then == 0) ? "never" : new Date(then))); 4689 } 4690 i.remove(); 4691 skipped++; 4692 } 4693 } 4694 if (DEBUG_DEXOPT) { 4695 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4696 } 4697 } 4698 } 4699 4700 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 4701 List<ResolveInfo> ris = null; 4702 try { 4703 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4704 intent, null, 0, UserHandle.USER_OWNER); 4705 } catch (RemoteException e) { 4706 } 4707 ArraySet<String> pkgNames = new ArraySet<String>(); 4708 if (ris != null) { 4709 for (ResolveInfo ri : ris) { 4710 pkgNames.add(ri.activityInfo.packageName); 4711 } 4712 } 4713 return pkgNames; 4714 } 4715 4716 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4717 if (DEBUG_DEXOPT) { 4718 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4719 } 4720 if (!isFirstBoot()) { 4721 try { 4722 ActivityManagerNative.getDefault().showBootMessage( 4723 mContext.getResources().getString(R.string.android_upgrading_apk, 4724 curr, total), true); 4725 } catch (RemoteException e) { 4726 } 4727 } 4728 PackageParser.Package p = pkg; 4729 synchronized (mInstallLock) { 4730 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4731 false /* defer */, true /* include dependencies */); 4732 } 4733 } 4734 4735 @Override 4736 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4737 return performDexOpt(packageName, instructionSet, false); 4738 } 4739 4740 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4741 if (info.primaryCpuAbi == null) { 4742 return getPreferredInstructionSet(); 4743 } 4744 4745 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4746 } 4747 4748 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4749 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4750 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4751 if (!dexopt && !updateUsage) { 4752 // We aren't going to dexopt or update usage, so bail early. 4753 return false; 4754 } 4755 PackageParser.Package p; 4756 final String targetInstructionSet; 4757 synchronized (mPackages) { 4758 p = mPackages.get(packageName); 4759 if (p == null) { 4760 return false; 4761 } 4762 if (updateUsage) { 4763 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4764 } 4765 mPackageUsage.write(false); 4766 if (!dexopt) { 4767 // We aren't going to dexopt, so bail early. 4768 return false; 4769 } 4770 4771 targetInstructionSet = instructionSet != null ? instructionSet : 4772 getPrimaryInstructionSet(p.applicationInfo); 4773 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4774 return false; 4775 } 4776 } 4777 4778 synchronized (mInstallLock) { 4779 final String[] instructionSets = new String[] { targetInstructionSet }; 4780 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4781 true /* include dependencies */) == DEX_OPT_PERFORMED; 4782 } 4783 } 4784 4785 public ArraySet<String> getPackagesThatNeedDexOpt() { 4786 ArraySet<String> pkgs = null; 4787 synchronized (mPackages) { 4788 for (PackageParser.Package p : mPackages.values()) { 4789 if (DEBUG_DEXOPT) { 4790 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4791 } 4792 if (!p.mDexOptPerformed.isEmpty()) { 4793 continue; 4794 } 4795 if (pkgs == null) { 4796 pkgs = new ArraySet<String>(); 4797 } 4798 pkgs.add(p.packageName); 4799 } 4800 } 4801 return pkgs; 4802 } 4803 4804 public void shutdown() { 4805 mPackageUsage.write(true); 4806 } 4807 4808 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4809 boolean forceDex, boolean defer, ArraySet<String> done) { 4810 for (int i=0; i<libs.size(); i++) { 4811 PackageParser.Package libPkg; 4812 String libName; 4813 synchronized (mPackages) { 4814 libName = libs.get(i); 4815 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4816 if (lib != null && lib.apk != null) { 4817 libPkg = mPackages.get(lib.apk); 4818 } else { 4819 libPkg = null; 4820 } 4821 } 4822 if (libPkg != null && !done.contains(libName)) { 4823 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4824 } 4825 } 4826 } 4827 4828 static final int DEX_OPT_SKIPPED = 0; 4829 static final int DEX_OPT_PERFORMED = 1; 4830 static final int DEX_OPT_DEFERRED = 2; 4831 static final int DEX_OPT_FAILED = -1; 4832 4833 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4834 boolean forceDex, boolean defer, ArraySet<String> done) { 4835 final String[] instructionSets = targetInstructionSets != null ? 4836 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4837 4838 if (done != null) { 4839 done.add(pkg.packageName); 4840 if (pkg.usesLibraries != null) { 4841 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4842 } 4843 if (pkg.usesOptionalLibraries != null) { 4844 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4845 } 4846 } 4847 4848 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4849 return DEX_OPT_SKIPPED; 4850 } 4851 4852 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4853 4854 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4855 boolean performedDexOpt = false; 4856 // There are three basic cases here: 4857 // 1.) we need to dexopt, either because we are forced or it is needed 4858 // 2.) we are defering a needed dexopt 4859 // 3.) we are skipping an unneeded dexopt 4860 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4861 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4862 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4863 continue; 4864 } 4865 4866 for (String path : paths) { 4867 try { 4868 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4869 // patckage or the one we find does not match the image checksum (i.e. it was 4870 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4871 // odex file and it matches the checksum of the image but not its base address, 4872 // meaning we need to move it. 4873 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4874 pkg.packageName, dexCodeInstructionSet, defer); 4875 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4876 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4877 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4878 + " vmSafeMode=" + vmSafeMode); 4879 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4880 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4881 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4882 4883 if (ret < 0) { 4884 // Don't bother running dexopt again if we failed, it will probably 4885 // just result in an error again. Also, don't bother dexopting for other 4886 // paths & ISAs. 4887 return DEX_OPT_FAILED; 4888 } 4889 4890 performedDexOpt = true; 4891 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4892 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4893 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4894 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4895 pkg.packageName, dexCodeInstructionSet); 4896 4897 if (ret < 0) { 4898 // Don't bother running patchoat again if we failed, it will probably 4899 // just result in an error again. Also, don't bother dexopting for other 4900 // paths & ISAs. 4901 return DEX_OPT_FAILED; 4902 } 4903 4904 performedDexOpt = true; 4905 } 4906 4907 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4908 // paths and instruction sets. We'll deal with them all together when we process 4909 // our list of deferred dexopts. 4910 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4911 if (mDeferredDexOpt == null) { 4912 mDeferredDexOpt = new ArraySet<PackageParser.Package>(); 4913 } 4914 mDeferredDexOpt.add(pkg); 4915 return DEX_OPT_DEFERRED; 4916 } 4917 } catch (FileNotFoundException e) { 4918 Slog.w(TAG, "Apk not found for dexopt: " + path); 4919 return DEX_OPT_FAILED; 4920 } catch (IOException e) { 4921 Slog.w(TAG, "IOException reading apk: " + path, e); 4922 return DEX_OPT_FAILED; 4923 } catch (StaleDexCacheError e) { 4924 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4925 return DEX_OPT_FAILED; 4926 } catch (Exception e) { 4927 Slog.w(TAG, "Exception when doing dexopt : ", e); 4928 return DEX_OPT_FAILED; 4929 } 4930 } 4931 4932 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4933 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4934 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4935 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4936 // it. 4937 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4938 } 4939 4940 // If we've gotten here, we're sure that no error occurred and that we haven't 4941 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4942 // we've skipped all of them because they are up to date. In both cases this 4943 // package doesn't need dexopt any longer. 4944 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4945 } 4946 4947 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4948 if (info.primaryCpuAbi != null) { 4949 if (info.secondaryCpuAbi != null) { 4950 return new String[] { 4951 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4952 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4953 } else { 4954 return new String[] { 4955 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4956 } 4957 } 4958 4959 return new String[] { getPreferredInstructionSet() }; 4960 } 4961 4962 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4963 if (ps.primaryCpuAbiString != null) { 4964 if (ps.secondaryCpuAbiString != null) { 4965 return new String[] { 4966 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4967 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4968 } else { 4969 return new String[] { 4970 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4971 } 4972 } 4973 4974 return new String[] { getPreferredInstructionSet() }; 4975 } 4976 4977 private static String getPreferredInstructionSet() { 4978 if (sPreferredInstructionSet == null) { 4979 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4980 } 4981 4982 return sPreferredInstructionSet; 4983 } 4984 4985 private static List<String> getAllInstructionSets() { 4986 final String[] allAbis = Build.SUPPORTED_ABIS; 4987 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4988 4989 for (String abi : allAbis) { 4990 final String instructionSet = VMRuntime.getInstructionSet(abi); 4991 if (!allInstructionSets.contains(instructionSet)) { 4992 allInstructionSets.add(instructionSet); 4993 } 4994 } 4995 4996 return allInstructionSets; 4997 } 4998 4999 /** 5000 * Returns the instruction set that should be used to compile dex code. In the presence of 5001 * a native bridge this might be different than the one shared libraries use. 5002 */ 5003 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 5004 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 5005 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 5006 } 5007 5008 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 5009 ArraySet<String> dexCodeInstructionSets = new ArraySet<String>(instructionSets.length); 5010 for (String instructionSet : instructionSets) { 5011 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 5012 } 5013 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 5014 } 5015 5016 /** 5017 * Returns deduplicated list of supported instructions for dex code. 5018 */ 5019 public static String[] getAllDexCodeInstructionSets() { 5020 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 5021 for (int i = 0; i < supportedInstructionSets.length; i++) { 5022 String abi = Build.SUPPORTED_ABIS[i]; 5023 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 5024 } 5025 return getDexCodeInstructionSets(supportedInstructionSets); 5026 } 5027 5028 @Override 5029 public void forceDexOpt(String packageName) { 5030 enforceSystemOrRoot("forceDexOpt"); 5031 5032 PackageParser.Package pkg; 5033 synchronized (mPackages) { 5034 pkg = mPackages.get(packageName); 5035 if (pkg == null) { 5036 throw new IllegalArgumentException("Missing package: " + packageName); 5037 } 5038 } 5039 5040 synchronized (mInstallLock) { 5041 final String[] instructionSets = new String[] { 5042 getPrimaryInstructionSet(pkg.applicationInfo) }; 5043 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 5044 if (res != DEX_OPT_PERFORMED) { 5045 throw new IllegalStateException("Failed to dexopt: " + res); 5046 } 5047 } 5048 } 5049 5050 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 5051 boolean forceDex, boolean defer, boolean inclDependencies) { 5052 ArraySet<String> done; 5053 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 5054 done = new ArraySet<String>(); 5055 done.add(pkg.packageName); 5056 } else { 5057 done = null; 5058 } 5059 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 5060 } 5061 5062 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 5063 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 5064 Slog.w(TAG, "Unable to update from " + oldPkg.name 5065 + " to " + newPkg.packageName 5066 + ": old package not in system partition"); 5067 return false; 5068 } else if (mPackages.get(oldPkg.name) != null) { 5069 Slog.w(TAG, "Unable to update from " + oldPkg.name 5070 + " to " + newPkg.packageName 5071 + ": old package still exists"); 5072 return false; 5073 } 5074 return true; 5075 } 5076 5077 File getDataPathForUser(int userId) { 5078 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 5079 } 5080 5081 private File getDataPathForPackage(String packageName, int userId) { 5082 /* 5083 * Until we fully support multiple users, return the directory we 5084 * previously would have. The PackageManagerTests will need to be 5085 * revised when this is changed back.. 5086 */ 5087 if (userId == 0) { 5088 return new File(mAppDataDir, packageName); 5089 } else { 5090 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 5091 + File.separator + packageName); 5092 } 5093 } 5094 5095 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5096 int[] users = sUserManager.getUserIds(); 5097 int res = mInstaller.install(packageName, uid, uid, seinfo); 5098 if (res < 0) { 5099 return res; 5100 } 5101 for (int user : users) { 5102 if (user != 0) { 5103 res = mInstaller.createUserData(packageName, 5104 UserHandle.getUid(user, uid), user, seinfo); 5105 if (res < 0) { 5106 return res; 5107 } 5108 } 5109 } 5110 return res; 5111 } 5112 5113 private int removeDataDirsLI(String packageName) { 5114 int[] users = sUserManager.getUserIds(); 5115 int res = 0; 5116 for (int user : users) { 5117 int resInner = mInstaller.remove(packageName, user); 5118 if (resInner < 0) { 5119 res = resInner; 5120 } 5121 } 5122 5123 return res; 5124 } 5125 5126 private int deleteCodeCacheDirsLI(String packageName) { 5127 int[] users = sUserManager.getUserIds(); 5128 int res = 0; 5129 for (int user : users) { 5130 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5131 if (resInner < 0) { 5132 res = resInner; 5133 } 5134 } 5135 return res; 5136 } 5137 5138 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5139 PackageParser.Package changingLib) { 5140 if (file.path != null) { 5141 usesLibraryFiles.add(file.path); 5142 return; 5143 } 5144 PackageParser.Package p = mPackages.get(file.apk); 5145 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5146 // If we are doing this while in the middle of updating a library apk, 5147 // then we need to make sure to use that new apk for determining the 5148 // dependencies here. (We haven't yet finished committing the new apk 5149 // to the package manager state.) 5150 if (p == null || p.packageName.equals(changingLib.packageName)) { 5151 p = changingLib; 5152 } 5153 } 5154 if (p != null) { 5155 usesLibraryFiles.addAll(p.getAllCodePaths()); 5156 } 5157 } 5158 5159 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5160 PackageParser.Package changingLib) throws PackageManagerException { 5161 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5162 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5163 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5164 for (int i=0; i<N; i++) { 5165 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5166 if (file == null) { 5167 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5168 "Package " + pkg.packageName + " requires unavailable shared library " 5169 + pkg.usesLibraries.get(i) + "; failing!"); 5170 } 5171 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5172 } 5173 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5174 for (int i=0; i<N; i++) { 5175 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5176 if (file == null) { 5177 Slog.w(TAG, "Package " + pkg.packageName 5178 + " desires unavailable shared library " 5179 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5180 } else { 5181 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5182 } 5183 } 5184 N = usesLibraryFiles.size(); 5185 if (N > 0) { 5186 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5187 } else { 5188 pkg.usesLibraryFiles = null; 5189 } 5190 } 5191 } 5192 5193 private static boolean hasString(List<String> list, List<String> which) { 5194 if (list == null) { 5195 return false; 5196 } 5197 for (int i=list.size()-1; i>=0; i--) { 5198 for (int j=which.size()-1; j>=0; j--) { 5199 if (which.get(j).equals(list.get(i))) { 5200 return true; 5201 } 5202 } 5203 } 5204 return false; 5205 } 5206 5207 private void updateAllSharedLibrariesLPw() { 5208 for (PackageParser.Package pkg : mPackages.values()) { 5209 try { 5210 updateSharedLibrariesLPw(pkg, null); 5211 } catch (PackageManagerException e) { 5212 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5213 } 5214 } 5215 } 5216 5217 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5218 PackageParser.Package changingPkg) { 5219 ArrayList<PackageParser.Package> res = null; 5220 for (PackageParser.Package pkg : mPackages.values()) { 5221 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5222 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5223 if (res == null) { 5224 res = new ArrayList<PackageParser.Package>(); 5225 } 5226 res.add(pkg); 5227 try { 5228 updateSharedLibrariesLPw(pkg, changingPkg); 5229 } catch (PackageManagerException e) { 5230 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5231 } 5232 } 5233 } 5234 return res; 5235 } 5236 5237 /** 5238 * Derive the value of the {@code cpuAbiOverride} based on the provided 5239 * value and an optional stored value from the package settings. 5240 */ 5241 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5242 String cpuAbiOverride = null; 5243 5244 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5245 cpuAbiOverride = null; 5246 } else if (abiOverride != null) { 5247 cpuAbiOverride = abiOverride; 5248 } else if (settings != null) { 5249 cpuAbiOverride = settings.cpuAbiOverrideString; 5250 } 5251 5252 return cpuAbiOverride; 5253 } 5254 5255 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5256 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5257 boolean success = false; 5258 try { 5259 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5260 currentTime, user); 5261 success = true; 5262 return res; 5263 } finally { 5264 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5265 removeDataDirsLI(pkg.packageName); 5266 } 5267 } 5268 } 5269 5270 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5271 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5272 final File scanFile = new File(pkg.codePath); 5273 if (pkg.applicationInfo.getCodePath() == null || 5274 pkg.applicationInfo.getResourcePath() == null) { 5275 // Bail out. The resource and code paths haven't been set. 5276 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5277 "Code and resource paths haven't been set correctly"); 5278 } 5279 5280 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5281 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5282 } else { 5283 // Only allow system apps to be flagged as core apps. 5284 pkg.coreApp = false; 5285 } 5286 5287 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5288 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5289 } 5290 5291 if (mCustomResolverComponentName != null && 5292 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5293 setUpCustomResolverActivity(pkg); 5294 } 5295 5296 if (pkg.packageName.equals("android")) { 5297 synchronized (mPackages) { 5298 if (mAndroidApplication != null) { 5299 Slog.w(TAG, "*************************************************"); 5300 Slog.w(TAG, "Core android package being redefined. Skipping."); 5301 Slog.w(TAG, " file=" + scanFile); 5302 Slog.w(TAG, "*************************************************"); 5303 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5304 "Core android package being redefined. Skipping."); 5305 } 5306 5307 // Set up information for our fall-back user intent resolution activity. 5308 mPlatformPackage = pkg; 5309 pkg.mVersionCode = mSdkVersion; 5310 mAndroidApplication = pkg.applicationInfo; 5311 5312 if (!mResolverReplaced) { 5313 mResolveActivity.applicationInfo = mAndroidApplication; 5314 mResolveActivity.name = ResolverActivity.class.getName(); 5315 mResolveActivity.packageName = mAndroidApplication.packageName; 5316 mResolveActivity.processName = "system:ui"; 5317 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5318 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5319 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5320 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5321 mResolveActivity.exported = true; 5322 mResolveActivity.enabled = true; 5323 mResolveInfo.activityInfo = mResolveActivity; 5324 mResolveInfo.priority = 0; 5325 mResolveInfo.preferredOrder = 0; 5326 mResolveInfo.match = 0; 5327 mResolveComponentName = new ComponentName( 5328 mAndroidApplication.packageName, mResolveActivity.name); 5329 } 5330 } 5331 } 5332 5333 if (DEBUG_PACKAGE_SCANNING) { 5334 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5335 Log.d(TAG, "Scanning package " + pkg.packageName); 5336 } 5337 5338 if (mPackages.containsKey(pkg.packageName) 5339 || mSharedLibraries.containsKey(pkg.packageName)) { 5340 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5341 "Application package " + pkg.packageName 5342 + " already installed. Skipping duplicate."); 5343 } 5344 5345 // Initialize package source and resource directories 5346 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5347 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5348 5349 SharedUserSetting suid = null; 5350 PackageSetting pkgSetting = null; 5351 5352 if (!isSystemApp(pkg)) { 5353 // Only system apps can use these features. 5354 pkg.mOriginalPackages = null; 5355 pkg.mRealPackage = null; 5356 pkg.mAdoptPermissions = null; 5357 } 5358 5359 // writer 5360 synchronized (mPackages) { 5361 if (pkg.mSharedUserId != null) { 5362 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5363 if (suid == null) { 5364 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5365 "Creating application package " + pkg.packageName 5366 + " for shared user failed"); 5367 } 5368 if (DEBUG_PACKAGE_SCANNING) { 5369 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5370 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5371 + "): packages=" + suid.packages); 5372 } 5373 } 5374 5375 // Check if we are renaming from an original package name. 5376 PackageSetting origPackage = null; 5377 String realName = null; 5378 if (pkg.mOriginalPackages != null) { 5379 // This package may need to be renamed to a previously 5380 // installed name. Let's check on that... 5381 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5382 if (pkg.mOriginalPackages.contains(renamed)) { 5383 // This package had originally been installed as the 5384 // original name, and we have already taken care of 5385 // transitioning to the new one. Just update the new 5386 // one to continue using the old name. 5387 realName = pkg.mRealPackage; 5388 if (!pkg.packageName.equals(renamed)) { 5389 // Callers into this function may have already taken 5390 // care of renaming the package; only do it here if 5391 // it is not already done. 5392 pkg.setPackageName(renamed); 5393 } 5394 5395 } else { 5396 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5397 if ((origPackage = mSettings.peekPackageLPr( 5398 pkg.mOriginalPackages.get(i))) != null) { 5399 // We do have the package already installed under its 5400 // original name... should we use it? 5401 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5402 // New package is not compatible with original. 5403 origPackage = null; 5404 continue; 5405 } else if (origPackage.sharedUser != null) { 5406 // Make sure uid is compatible between packages. 5407 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5408 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5409 + " to " + pkg.packageName + ": old uid " 5410 + origPackage.sharedUser.name 5411 + " differs from " + pkg.mSharedUserId); 5412 origPackage = null; 5413 continue; 5414 } 5415 } else { 5416 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5417 + pkg.packageName + " to old name " + origPackage.name); 5418 } 5419 break; 5420 } 5421 } 5422 } 5423 } 5424 5425 if (mTransferedPackages.contains(pkg.packageName)) { 5426 Slog.w(TAG, "Package " + pkg.packageName 5427 + " was transferred to another, but its .apk remains"); 5428 } 5429 5430 // Just create the setting, don't add it yet. For already existing packages 5431 // the PkgSetting exists already and doesn't have to be created. 5432 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5433 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5434 pkg.applicationInfo.primaryCpuAbi, 5435 pkg.applicationInfo.secondaryCpuAbi, 5436 pkg.applicationInfo.flags, user, false); 5437 if (pkgSetting == null) { 5438 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5439 "Creating application package " + pkg.packageName + " failed"); 5440 } 5441 5442 if (pkgSetting.origPackage != null) { 5443 // If we are first transitioning from an original package, 5444 // fix up the new package's name now. We need to do this after 5445 // looking up the package under its new name, so getPackageLP 5446 // can take care of fiddling things correctly. 5447 pkg.setPackageName(origPackage.name); 5448 5449 // File a report about this. 5450 String msg = "New package " + pkgSetting.realName 5451 + " renamed to replace old package " + pkgSetting.name; 5452 reportSettingsProblem(Log.WARN, msg); 5453 5454 // Make a note of it. 5455 mTransferedPackages.add(origPackage.name); 5456 5457 // No longer need to retain this. 5458 pkgSetting.origPackage = null; 5459 } 5460 5461 if (realName != null) { 5462 // Make a note of it. 5463 mTransferedPackages.add(pkg.packageName); 5464 } 5465 5466 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5467 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5468 } 5469 5470 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5471 // Check all shared libraries and map to their actual file path. 5472 // We only do this here for apps not on a system dir, because those 5473 // are the only ones that can fail an install due to this. We 5474 // will take care of the system apps by updating all of their 5475 // library paths after the scan is done. 5476 updateSharedLibrariesLPw(pkg, null); 5477 } 5478 5479 if (mFoundPolicyFile) { 5480 SELinuxMMAC.assignSeinfoValue(pkg); 5481 } 5482 5483 pkg.applicationInfo.uid = pkgSetting.appId; 5484 pkg.mExtras = pkgSetting; 5485 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5486 try { 5487 verifySignaturesLP(pkgSetting, pkg); 5488 // We just determined the app is signed correctly, so bring 5489 // over the latest parsed certs. 5490 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5491 } catch (PackageManagerException e) { 5492 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5493 throw e; 5494 } 5495 // The signature has changed, but this package is in the system 5496 // image... let's recover! 5497 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5498 // However... if this package is part of a shared user, but it 5499 // doesn't match the signature of the shared user, let's fail. 5500 // What this means is that you can't change the signatures 5501 // associated with an overall shared user, which doesn't seem all 5502 // that unreasonable. 5503 if (pkgSetting.sharedUser != null) { 5504 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5505 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5506 throw new PackageManagerException( 5507 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5508 "Signature mismatch for shared user : " 5509 + pkgSetting.sharedUser); 5510 } 5511 } 5512 // File a report about this. 5513 String msg = "System package " + pkg.packageName 5514 + " signature changed; retaining data."; 5515 reportSettingsProblem(Log.WARN, msg); 5516 } 5517 } else { 5518 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5519 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5520 + pkg.packageName + " upgrade keys do not match the " 5521 + "previously installed version"); 5522 } else { 5523 // We just determined the app is signed correctly, so bring 5524 // over the latest parsed certs. 5525 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5526 } 5527 } 5528 // Verify that this new package doesn't have any content providers 5529 // that conflict with existing packages. Only do this if the 5530 // package isn't already installed, since we don't want to break 5531 // things that are installed. 5532 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5533 final int N = pkg.providers.size(); 5534 int i; 5535 for (i=0; i<N; i++) { 5536 PackageParser.Provider p = pkg.providers.get(i); 5537 if (p.info.authority != null) { 5538 String names[] = p.info.authority.split(";"); 5539 for (int j = 0; j < names.length; j++) { 5540 if (mProvidersByAuthority.containsKey(names[j])) { 5541 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5542 final String otherPackageName = 5543 ((other != null && other.getComponentName() != null) ? 5544 other.getComponentName().getPackageName() : "?"); 5545 throw new PackageManagerException( 5546 INSTALL_FAILED_CONFLICTING_PROVIDER, 5547 "Can't install because provider name " + names[j] 5548 + " (in package " + pkg.applicationInfo.packageName 5549 + ") is already used by " + otherPackageName); 5550 } 5551 } 5552 } 5553 } 5554 } 5555 5556 if (pkg.mAdoptPermissions != null) { 5557 // This package wants to adopt ownership of permissions from 5558 // another package. 5559 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5560 final String origName = pkg.mAdoptPermissions.get(i); 5561 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5562 if (orig != null) { 5563 if (verifyPackageUpdateLPr(orig, pkg)) { 5564 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5565 + pkg.packageName); 5566 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5567 } 5568 } 5569 } 5570 } 5571 } 5572 5573 final String pkgName = pkg.packageName; 5574 5575 final long scanFileTime = scanFile.lastModified(); 5576 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5577 pkg.applicationInfo.processName = fixProcessName( 5578 pkg.applicationInfo.packageName, 5579 pkg.applicationInfo.processName, 5580 pkg.applicationInfo.uid); 5581 5582 File dataPath; 5583 if (mPlatformPackage == pkg) { 5584 // The system package is special. 5585 dataPath = new File(Environment.getDataDirectory(), "system"); 5586 5587 pkg.applicationInfo.dataDir = dataPath.getPath(); 5588 5589 } else { 5590 // This is a normal package, need to make its data directory. 5591 dataPath = getDataPathForPackage(pkg.packageName, 0); 5592 5593 boolean uidError = false; 5594 if (dataPath.exists()) { 5595 int currentUid = 0; 5596 try { 5597 StructStat stat = Os.stat(dataPath.getPath()); 5598 currentUid = stat.st_uid; 5599 } catch (ErrnoException e) { 5600 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5601 } 5602 5603 // If we have mismatched owners for the data path, we have a problem. 5604 if (currentUid != pkg.applicationInfo.uid) { 5605 boolean recovered = false; 5606 if (currentUid == 0) { 5607 // The directory somehow became owned by root. Wow. 5608 // This is probably because the system was stopped while 5609 // installd was in the middle of messing with its libs 5610 // directory. Ask installd to fix that. 5611 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5612 pkg.applicationInfo.uid); 5613 if (ret >= 0) { 5614 recovered = true; 5615 String msg = "Package " + pkg.packageName 5616 + " unexpectedly changed to uid 0; recovered to " + 5617 + pkg.applicationInfo.uid; 5618 reportSettingsProblem(Log.WARN, msg); 5619 } 5620 } 5621 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5622 || (scanFlags&SCAN_BOOTING) != 0)) { 5623 // If this is a system app, we can at least delete its 5624 // current data so the application will still work. 5625 int ret = removeDataDirsLI(pkgName); 5626 if (ret >= 0) { 5627 // TODO: Kill the processes first 5628 // Old data gone! 5629 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5630 ? "System package " : "Third party package "; 5631 String msg = prefix + pkg.packageName 5632 + " has changed from uid: " 5633 + currentUid + " to " 5634 + pkg.applicationInfo.uid + "; old data erased"; 5635 reportSettingsProblem(Log.WARN, msg); 5636 recovered = true; 5637 5638 // And now re-install the app. 5639 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5640 pkg.applicationInfo.seinfo); 5641 if (ret == -1) { 5642 // Ack should not happen! 5643 msg = prefix + pkg.packageName 5644 + " could not have data directory re-created after delete."; 5645 reportSettingsProblem(Log.WARN, msg); 5646 throw new PackageManagerException( 5647 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5648 } 5649 } 5650 if (!recovered) { 5651 mHasSystemUidErrors = true; 5652 } 5653 } else if (!recovered) { 5654 // If we allow this install to proceed, we will be broken. 5655 // Abort, abort! 5656 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5657 "scanPackageLI"); 5658 } 5659 if (!recovered) { 5660 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5661 + pkg.applicationInfo.uid + "/fs_" 5662 + currentUid; 5663 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5664 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5665 String msg = "Package " + pkg.packageName 5666 + " has mismatched uid: " 5667 + currentUid + " on disk, " 5668 + pkg.applicationInfo.uid + " in settings"; 5669 // writer 5670 synchronized (mPackages) { 5671 mSettings.mReadMessages.append(msg); 5672 mSettings.mReadMessages.append('\n'); 5673 uidError = true; 5674 if (!pkgSetting.uidError) { 5675 reportSettingsProblem(Log.ERROR, msg); 5676 } 5677 } 5678 } 5679 } 5680 pkg.applicationInfo.dataDir = dataPath.getPath(); 5681 if (mShouldRestoreconData) { 5682 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5683 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5684 pkg.applicationInfo.uid); 5685 } 5686 } else { 5687 if (DEBUG_PACKAGE_SCANNING) { 5688 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5689 Log.v(TAG, "Want this data dir: " + dataPath); 5690 } 5691 //invoke installer to do the actual installation 5692 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5693 pkg.applicationInfo.seinfo); 5694 if (ret < 0) { 5695 // Error from installer 5696 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5697 "Unable to create data dirs [errorCode=" + ret + "]"); 5698 } 5699 5700 if (dataPath.exists()) { 5701 pkg.applicationInfo.dataDir = dataPath.getPath(); 5702 } else { 5703 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5704 pkg.applicationInfo.dataDir = null; 5705 } 5706 } 5707 5708 pkgSetting.uidError = uidError; 5709 } 5710 5711 final String path = scanFile.getPath(); 5712 final String codePath = pkg.applicationInfo.getCodePath(); 5713 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5714 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5715 setBundledAppAbisAndRoots(pkg, pkgSetting); 5716 5717 // If we haven't found any native libraries for the app, check if it has 5718 // renderscript code. We'll need to force the app to 32 bit if it has 5719 // renderscript bitcode. 5720 if (pkg.applicationInfo.primaryCpuAbi == null 5721 && pkg.applicationInfo.secondaryCpuAbi == null 5722 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5723 NativeLibraryHelper.Handle handle = null; 5724 try { 5725 handle = NativeLibraryHelper.Handle.create(scanFile); 5726 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5727 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5728 } 5729 } catch (IOException ioe) { 5730 Slog.w(TAG, "Error scanning system app : " + ioe); 5731 } finally { 5732 IoUtils.closeQuietly(handle); 5733 } 5734 } 5735 5736 setNativeLibraryPaths(pkg); 5737 } else { 5738 // TODO: We can probably be smarter about this stuff. For installed apps, 5739 // we can calculate this information at install time once and for all. For 5740 // system apps, we can probably assume that this information doesn't change 5741 // after the first boot scan. As things stand, we do lots of unnecessary work. 5742 5743 // Give ourselves some initial paths; we'll come back for another 5744 // pass once we've determined ABI below. 5745 setNativeLibraryPaths(pkg); 5746 5747 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5748 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5749 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5750 5751 NativeLibraryHelper.Handle handle = null; 5752 try { 5753 handle = NativeLibraryHelper.Handle.create(scanFile); 5754 // TODO(multiArch): This can be null for apps that didn't go through the 5755 // usual installation process. We can calculate it again, like we 5756 // do during install time. 5757 // 5758 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5759 // unnecessary. 5760 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5761 5762 // Null out the abis so that they can be recalculated. 5763 pkg.applicationInfo.primaryCpuAbi = null; 5764 pkg.applicationInfo.secondaryCpuAbi = null; 5765 if (isMultiArch(pkg.applicationInfo)) { 5766 // Warn if we've set an abiOverride for multi-lib packages.. 5767 // By definition, we need to copy both 32 and 64 bit libraries for 5768 // such packages. 5769 if (pkg.cpuAbiOverride != null 5770 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5771 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5772 } 5773 5774 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5775 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5776 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5777 if (isAsec) { 5778 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5779 } else { 5780 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5781 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5782 useIsaSpecificSubdirs); 5783 } 5784 } 5785 5786 maybeThrowExceptionForMultiArchCopy( 5787 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5788 5789 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5790 if (isAsec) { 5791 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5792 } else { 5793 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5794 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5795 useIsaSpecificSubdirs); 5796 } 5797 } 5798 5799 maybeThrowExceptionForMultiArchCopy( 5800 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5801 5802 if (abi64 >= 0) { 5803 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5804 } 5805 5806 if (abi32 >= 0) { 5807 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5808 if (abi64 >= 0) { 5809 pkg.applicationInfo.secondaryCpuAbi = abi; 5810 } else { 5811 pkg.applicationInfo.primaryCpuAbi = abi; 5812 } 5813 } 5814 } else { 5815 String[] abiList = (cpuAbiOverride != null) ? 5816 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5817 5818 // Enable gross and lame hacks for apps that are built with old 5819 // SDK tools. We must scan their APKs for renderscript bitcode and 5820 // not launch them if it's present. Don't bother checking on devices 5821 // that don't have 64 bit support. 5822 boolean needsRenderScriptOverride = false; 5823 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5824 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5825 abiList = Build.SUPPORTED_32_BIT_ABIS; 5826 needsRenderScriptOverride = true; 5827 } 5828 5829 final int copyRet; 5830 if (isAsec) { 5831 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5832 } else { 5833 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5834 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5835 } 5836 5837 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5838 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5839 "Error unpackaging native libs for app, errorCode=" + copyRet); 5840 } 5841 5842 if (copyRet >= 0) { 5843 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5844 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5845 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5846 } else if (needsRenderScriptOverride) { 5847 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5848 } 5849 } 5850 } catch (IOException ioe) { 5851 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5852 } finally { 5853 IoUtils.closeQuietly(handle); 5854 } 5855 5856 // Now that we've calculated the ABIs and determined if it's an internal app, 5857 // we will go ahead and populate the nativeLibraryPath. 5858 setNativeLibraryPaths(pkg); 5859 5860 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5861 final int[] userIds = sUserManager.getUserIds(); 5862 synchronized (mInstallLock) { 5863 // Create a native library symlink only if we have native libraries 5864 // and if the native libraries are 32 bit libraries. We do not provide 5865 // this symlink for 64 bit libraries. 5866 if (pkg.applicationInfo.primaryCpuAbi != null && 5867 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5868 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5869 for (int userId : userIds) { 5870 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5871 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5872 "Failed linking native library dir (user=" + userId + ")"); 5873 } 5874 } 5875 } 5876 } 5877 } 5878 5879 // This is a special case for the "system" package, where the ABI is 5880 // dictated by the zygote configuration (and init.rc). We should keep track 5881 // of this ABI so that we can deal with "normal" applications that run under 5882 // the same UID correctly. 5883 if (mPlatformPackage == pkg) { 5884 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5885 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5886 } 5887 5888 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5889 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5890 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5891 // Copy the derived override back to the parsed package, so that we can 5892 // update the package settings accordingly. 5893 pkg.cpuAbiOverride = cpuAbiOverride; 5894 5895 if (DEBUG_ABI_SELECTION) { 5896 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5897 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5898 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5899 } 5900 5901 // Push the derived path down into PackageSettings so we know what to 5902 // clean up at uninstall time. 5903 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5904 5905 if (DEBUG_ABI_SELECTION) { 5906 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5907 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5908 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5909 } 5910 5911 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5912 // We don't do this here during boot because we can do it all 5913 // at once after scanning all existing packages. 5914 // 5915 // We also do this *before* we perform dexopt on this package, so that 5916 // we can avoid redundant dexopts, and also to make sure we've got the 5917 // code and package path correct. 5918 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5919 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5920 } 5921 5922 if ((scanFlags & SCAN_NO_DEX) == 0) { 5923 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5924 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5925 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5926 } 5927 } 5928 5929 if (mFactoryTest && pkg.requestedPermissions.contains( 5930 android.Manifest.permission.FACTORY_TEST)) { 5931 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5932 } 5933 5934 ArrayList<PackageParser.Package> clientLibPkgs = null; 5935 5936 // writer 5937 synchronized (mPackages) { 5938 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5939 // Only system apps can add new shared libraries. 5940 if (pkg.libraryNames != null) { 5941 for (int i=0; i<pkg.libraryNames.size(); i++) { 5942 String name = pkg.libraryNames.get(i); 5943 boolean allowed = false; 5944 if (isUpdatedSystemApp(pkg)) { 5945 // New library entries can only be added through the 5946 // system image. This is important to get rid of a lot 5947 // of nasty edge cases: for example if we allowed a non- 5948 // system update of the app to add a library, then uninstalling 5949 // the update would make the library go away, and assumptions 5950 // we made such as through app install filtering would now 5951 // have allowed apps on the device which aren't compatible 5952 // with it. Better to just have the restriction here, be 5953 // conservative, and create many fewer cases that can negatively 5954 // impact the user experience. 5955 final PackageSetting sysPs = mSettings 5956 .getDisabledSystemPkgLPr(pkg.packageName); 5957 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5958 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5959 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5960 allowed = true; 5961 allowed = true; 5962 break; 5963 } 5964 } 5965 } 5966 } else { 5967 allowed = true; 5968 } 5969 if (allowed) { 5970 if (!mSharedLibraries.containsKey(name)) { 5971 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5972 } else if (!name.equals(pkg.packageName)) { 5973 Slog.w(TAG, "Package " + pkg.packageName + " library " 5974 + name + " already exists; skipping"); 5975 } 5976 } else { 5977 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5978 + name + " that is not declared on system image; skipping"); 5979 } 5980 } 5981 if ((scanFlags&SCAN_BOOTING) == 0) { 5982 // If we are not booting, we need to update any applications 5983 // that are clients of our shared library. If we are booting, 5984 // this will all be done once the scan is complete. 5985 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5986 } 5987 } 5988 } 5989 } 5990 5991 // We also need to dexopt any apps that are dependent on this library. Note that 5992 // if these fail, we should abort the install since installing the library will 5993 // result in some apps being broken. 5994 if (clientLibPkgs != null) { 5995 if ((scanFlags & SCAN_NO_DEX) == 0) { 5996 for (int i = 0; i < clientLibPkgs.size(); i++) { 5997 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5998 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5999 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 6000 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 6001 "scanPackageLI failed to dexopt clientLibPkgs"); 6002 } 6003 } 6004 } 6005 } 6006 6007 // Request the ActivityManager to kill the process(only for existing packages) 6008 // so that we do not end up in a confused state while the user is still using the older 6009 // version of the application while the new one gets installed. 6010 if ((scanFlags & SCAN_REPLACING) != 0) { 6011 killApplication(pkg.applicationInfo.packageName, 6012 pkg.applicationInfo.uid, "update pkg"); 6013 } 6014 6015 // Also need to kill any apps that are dependent on the library. 6016 if (clientLibPkgs != null) { 6017 for (int i=0; i<clientLibPkgs.size(); i++) { 6018 PackageParser.Package clientPkg = clientLibPkgs.get(i); 6019 killApplication(clientPkg.applicationInfo.packageName, 6020 clientPkg.applicationInfo.uid, "update lib"); 6021 } 6022 } 6023 6024 // writer 6025 synchronized (mPackages) { 6026 // We don't expect installation to fail beyond this point 6027 6028 // Add the new setting to mSettings 6029 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 6030 // Add the new setting to mPackages 6031 mPackages.put(pkg.applicationInfo.packageName, pkg); 6032 // Make sure we don't accidentally delete its data. 6033 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 6034 while (iter.hasNext()) { 6035 PackageCleanItem item = iter.next(); 6036 if (pkgName.equals(item.packageName)) { 6037 iter.remove(); 6038 } 6039 } 6040 6041 // Take care of first install / last update times. 6042 if (currentTime != 0) { 6043 if (pkgSetting.firstInstallTime == 0) { 6044 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 6045 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 6046 pkgSetting.lastUpdateTime = currentTime; 6047 } 6048 } else if (pkgSetting.firstInstallTime == 0) { 6049 // We need *something*. Take time time stamp of the file. 6050 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 6051 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 6052 if (scanFileTime != pkgSetting.timeStamp) { 6053 // A package on the system image has changed; consider this 6054 // to be an update. 6055 pkgSetting.lastUpdateTime = scanFileTime; 6056 } 6057 } 6058 6059 // Add the package's KeySets to the global KeySetManagerService 6060 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6061 try { 6062 // Old KeySetData no longer valid. 6063 ksms.removeAppKeySetDataLPw(pkg.packageName); 6064 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 6065 if (pkg.mKeySetMapping != null) { 6066 for (Map.Entry<String, ArraySet<PublicKey>> entry : 6067 pkg.mKeySetMapping.entrySet()) { 6068 if (entry.getValue() != null) { 6069 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 6070 entry.getValue(), entry.getKey()); 6071 } 6072 } 6073 if (pkg.mUpgradeKeySets != null) { 6074 for (String upgradeAlias : pkg.mUpgradeKeySets) { 6075 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 6076 } 6077 } 6078 } 6079 } catch (NullPointerException e) { 6080 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 6081 } catch (IllegalArgumentException e) { 6082 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 6083 } 6084 6085 int N = pkg.providers.size(); 6086 StringBuilder r = null; 6087 int i; 6088 for (i=0; i<N; i++) { 6089 PackageParser.Provider p = pkg.providers.get(i); 6090 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 6091 p.info.processName, pkg.applicationInfo.uid); 6092 mProviders.addProvider(p); 6093 p.syncable = p.info.isSyncable; 6094 if (p.info.authority != null) { 6095 String names[] = p.info.authority.split(";"); 6096 p.info.authority = null; 6097 for (int j = 0; j < names.length; j++) { 6098 if (j == 1 && p.syncable) { 6099 // We only want the first authority for a provider to possibly be 6100 // syncable, so if we already added this provider using a different 6101 // authority clear the syncable flag. We copy the provider before 6102 // changing it because the mProviders object contains a reference 6103 // to a provider that we don't want to change. 6104 // Only do this for the second authority since the resulting provider 6105 // object can be the same for all future authorities for this provider. 6106 p = new PackageParser.Provider(p); 6107 p.syncable = false; 6108 } 6109 if (!mProvidersByAuthority.containsKey(names[j])) { 6110 mProvidersByAuthority.put(names[j], p); 6111 if (p.info.authority == null) { 6112 p.info.authority = names[j]; 6113 } else { 6114 p.info.authority = p.info.authority + ";" + names[j]; 6115 } 6116 if (DEBUG_PACKAGE_SCANNING) { 6117 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6118 Log.d(TAG, "Registered content provider: " + names[j] 6119 + ", className = " + p.info.name + ", isSyncable = " 6120 + p.info.isSyncable); 6121 } 6122 } else { 6123 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6124 Slog.w(TAG, "Skipping provider name " + names[j] + 6125 " (in package " + pkg.applicationInfo.packageName + 6126 "): name already used by " 6127 + ((other != null && other.getComponentName() != null) 6128 ? other.getComponentName().getPackageName() : "?")); 6129 } 6130 } 6131 } 6132 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6133 if (r == null) { 6134 r = new StringBuilder(256); 6135 } else { 6136 r.append(' '); 6137 } 6138 r.append(p.info.name); 6139 } 6140 } 6141 if (r != null) { 6142 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6143 } 6144 6145 N = pkg.services.size(); 6146 r = null; 6147 for (i=0; i<N; i++) { 6148 PackageParser.Service s = pkg.services.get(i); 6149 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6150 s.info.processName, pkg.applicationInfo.uid); 6151 mServices.addService(s); 6152 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6153 if (r == null) { 6154 r = new StringBuilder(256); 6155 } else { 6156 r.append(' '); 6157 } 6158 r.append(s.info.name); 6159 } 6160 } 6161 if (r != null) { 6162 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6163 } 6164 6165 N = pkg.receivers.size(); 6166 r = null; 6167 for (i=0; i<N; i++) { 6168 PackageParser.Activity a = pkg.receivers.get(i); 6169 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6170 a.info.processName, pkg.applicationInfo.uid); 6171 mReceivers.addActivity(a, "receiver"); 6172 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6173 if (r == null) { 6174 r = new StringBuilder(256); 6175 } else { 6176 r.append(' '); 6177 } 6178 r.append(a.info.name); 6179 } 6180 } 6181 if (r != null) { 6182 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6183 } 6184 6185 N = pkg.activities.size(); 6186 r = null; 6187 for (i=0; i<N; i++) { 6188 PackageParser.Activity a = pkg.activities.get(i); 6189 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6190 a.info.processName, pkg.applicationInfo.uid); 6191 mActivities.addActivity(a, "activity"); 6192 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6193 if (r == null) { 6194 r = new StringBuilder(256); 6195 } else { 6196 r.append(' '); 6197 } 6198 r.append(a.info.name); 6199 } 6200 } 6201 if (r != null) { 6202 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6203 } 6204 6205 N = pkg.permissionGroups.size(); 6206 r = null; 6207 for (i=0; i<N; i++) { 6208 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6209 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6210 if (cur == null) { 6211 mPermissionGroups.put(pg.info.name, pg); 6212 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6213 if (r == null) { 6214 r = new StringBuilder(256); 6215 } else { 6216 r.append(' '); 6217 } 6218 r.append(pg.info.name); 6219 } 6220 } else { 6221 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6222 + pg.info.packageName + " ignored: original from " 6223 + cur.info.packageName); 6224 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6225 if (r == null) { 6226 r = new StringBuilder(256); 6227 } else { 6228 r.append(' '); 6229 } 6230 r.append("DUP:"); 6231 r.append(pg.info.name); 6232 } 6233 } 6234 } 6235 if (r != null) { 6236 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6237 } 6238 6239 N = pkg.permissions.size(); 6240 r = null; 6241 for (i=0; i<N; i++) { 6242 PackageParser.Permission p = pkg.permissions.get(i); 6243 ArrayMap<String, BasePermission> permissionMap = 6244 p.tree ? mSettings.mPermissionTrees 6245 : mSettings.mPermissions; 6246 p.group = mPermissionGroups.get(p.info.group); 6247 if (p.info.group == null || p.group != null) { 6248 BasePermission bp = permissionMap.get(p.info.name); 6249 6250 // Allow system apps to redefine non-system permissions 6251 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6252 final boolean currentOwnerIsSystem = (bp.perm != null 6253 && isSystemApp(bp.perm.owner)); 6254 if (isSystemApp(p.owner)) { 6255 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6256 // It's a built-in permission and no owner, take ownership now 6257 bp.packageSetting = pkgSetting; 6258 bp.perm = p; 6259 bp.uid = pkg.applicationInfo.uid; 6260 bp.sourcePackage = p.info.packageName; 6261 } else if (!currentOwnerIsSystem) { 6262 String msg = "New decl " + p.owner + " of permission " 6263 + p.info.name + " is system; overriding " + bp.sourcePackage; 6264 reportSettingsProblem(Log.WARN, msg); 6265 bp = null; 6266 } 6267 } 6268 } 6269 6270 if (bp == null) { 6271 bp = new BasePermission(p.info.name, p.info.packageName, 6272 BasePermission.TYPE_NORMAL); 6273 permissionMap.put(p.info.name, bp); 6274 } 6275 6276 if (bp.perm == null) { 6277 if (bp.sourcePackage == null 6278 || bp.sourcePackage.equals(p.info.packageName)) { 6279 BasePermission tree = findPermissionTreeLP(p.info.name); 6280 if (tree == null 6281 || tree.sourcePackage.equals(p.info.packageName)) { 6282 bp.packageSetting = pkgSetting; 6283 bp.perm = p; 6284 bp.uid = pkg.applicationInfo.uid; 6285 bp.sourcePackage = p.info.packageName; 6286 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6287 if (r == null) { 6288 r = new StringBuilder(256); 6289 } else { 6290 r.append(' '); 6291 } 6292 r.append(p.info.name); 6293 } 6294 } else { 6295 Slog.w(TAG, "Permission " + p.info.name + " from package " 6296 + p.info.packageName + " ignored: base tree " 6297 + tree.name + " is from package " 6298 + tree.sourcePackage); 6299 } 6300 } else { 6301 Slog.w(TAG, "Permission " + p.info.name + " from package " 6302 + p.info.packageName + " ignored: original from " 6303 + bp.sourcePackage); 6304 } 6305 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6306 if (r == null) { 6307 r = new StringBuilder(256); 6308 } else { 6309 r.append(' '); 6310 } 6311 r.append("DUP:"); 6312 r.append(p.info.name); 6313 } 6314 if (bp.perm == p) { 6315 bp.protectionLevel = p.info.protectionLevel; 6316 } 6317 } else { 6318 Slog.w(TAG, "Permission " + p.info.name + " from package " 6319 + p.info.packageName + " ignored: no group " 6320 + p.group); 6321 } 6322 } 6323 if (r != null) { 6324 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6325 } 6326 6327 N = pkg.instrumentation.size(); 6328 r = null; 6329 for (i=0; i<N; i++) { 6330 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6331 a.info.packageName = pkg.applicationInfo.packageName; 6332 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6333 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6334 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6335 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6336 a.info.dataDir = pkg.applicationInfo.dataDir; 6337 6338 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6339 // need other information about the application, like the ABI and what not ? 6340 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6341 mInstrumentation.put(a.getComponentName(), a); 6342 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6343 if (r == null) { 6344 r = new StringBuilder(256); 6345 } else { 6346 r.append(' '); 6347 } 6348 r.append(a.info.name); 6349 } 6350 } 6351 if (r != null) { 6352 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6353 } 6354 6355 if (pkg.protectedBroadcasts != null) { 6356 N = pkg.protectedBroadcasts.size(); 6357 for (i=0; i<N; i++) { 6358 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6359 } 6360 } 6361 6362 pkgSetting.setTimeStamp(scanFileTime); 6363 6364 // Create idmap files for pairs of (packages, overlay packages). 6365 // Note: "android", ie framework-res.apk, is handled by native layers. 6366 if (pkg.mOverlayTarget != null) { 6367 // This is an overlay package. 6368 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6369 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6370 mOverlays.put(pkg.mOverlayTarget, 6371 new ArrayMap<String, PackageParser.Package>()); 6372 } 6373 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6374 map.put(pkg.packageName, pkg); 6375 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6376 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6377 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6378 "scanPackageLI failed to createIdmap"); 6379 } 6380 } 6381 } else if (mOverlays.containsKey(pkg.packageName) && 6382 !pkg.packageName.equals("android")) { 6383 // This is a regular package, with one or more known overlay packages. 6384 createIdmapsForPackageLI(pkg); 6385 } 6386 } 6387 6388 return pkg; 6389 } 6390 6391 /** 6392 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6393 * i.e, so that all packages can be run inside a single process if required. 6394 * 6395 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6396 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6397 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6398 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6399 * updating a package that belongs to a shared user. 6400 * 6401 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6402 * adds unnecessary complexity. 6403 */ 6404 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6405 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6406 String requiredInstructionSet = null; 6407 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6408 requiredInstructionSet = VMRuntime.getInstructionSet( 6409 scannedPackage.applicationInfo.primaryCpuAbi); 6410 } 6411 6412 PackageSetting requirer = null; 6413 for (PackageSetting ps : packagesForUser) { 6414 // If packagesForUser contains scannedPackage, we skip it. This will happen 6415 // when scannedPackage is an update of an existing package. Without this check, 6416 // we will never be able to change the ABI of any package belonging to a shared 6417 // user, even if it's compatible with other packages. 6418 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6419 if (ps.primaryCpuAbiString == null) { 6420 continue; 6421 } 6422 6423 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6424 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6425 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6426 // this but there's not much we can do. 6427 String errorMessage = "Instruction set mismatch, " 6428 + ((requirer == null) ? "[caller]" : requirer) 6429 + " requires " + requiredInstructionSet + " whereas " + ps 6430 + " requires " + instructionSet; 6431 Slog.w(TAG, errorMessage); 6432 } 6433 6434 if (requiredInstructionSet == null) { 6435 requiredInstructionSet = instructionSet; 6436 requirer = ps; 6437 } 6438 } 6439 } 6440 6441 if (requiredInstructionSet != null) { 6442 String adjustedAbi; 6443 if (requirer != null) { 6444 // requirer != null implies that either scannedPackage was null or that scannedPackage 6445 // did not require an ABI, in which case we have to adjust scannedPackage to match 6446 // the ABI of the set (which is the same as requirer's ABI) 6447 adjustedAbi = requirer.primaryCpuAbiString; 6448 if (scannedPackage != null) { 6449 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6450 } 6451 } else { 6452 // requirer == null implies that we're updating all ABIs in the set to 6453 // match scannedPackage. 6454 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6455 } 6456 6457 for (PackageSetting ps : packagesForUser) { 6458 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6459 if (ps.primaryCpuAbiString != null) { 6460 continue; 6461 } 6462 6463 ps.primaryCpuAbiString = adjustedAbi; 6464 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6465 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6466 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6467 6468 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6469 deferDexOpt, true) == DEX_OPT_FAILED) { 6470 ps.primaryCpuAbiString = null; 6471 ps.pkg.applicationInfo.primaryCpuAbi = null; 6472 return; 6473 } else { 6474 mInstaller.rmdex(ps.codePathString, 6475 getDexCodeInstructionSet(getPreferredInstructionSet())); 6476 } 6477 } 6478 } 6479 } 6480 } 6481 } 6482 6483 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6484 synchronized (mPackages) { 6485 mResolverReplaced = true; 6486 // Set up information for custom user intent resolution activity. 6487 mResolveActivity.applicationInfo = pkg.applicationInfo; 6488 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6489 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6490 mResolveActivity.processName = pkg.applicationInfo.packageName; 6491 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6492 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6493 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6494 mResolveActivity.theme = 0; 6495 mResolveActivity.exported = true; 6496 mResolveActivity.enabled = true; 6497 mResolveInfo.activityInfo = mResolveActivity; 6498 mResolveInfo.priority = 0; 6499 mResolveInfo.preferredOrder = 0; 6500 mResolveInfo.match = 0; 6501 mResolveComponentName = mCustomResolverComponentName; 6502 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6503 mResolveComponentName); 6504 } 6505 } 6506 6507 private static String calculateBundledApkRoot(final String codePathString) { 6508 final File codePath = new File(codePathString); 6509 final File codeRoot; 6510 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6511 codeRoot = Environment.getRootDirectory(); 6512 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6513 codeRoot = Environment.getOemDirectory(); 6514 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6515 codeRoot = Environment.getVendorDirectory(); 6516 } else { 6517 // Unrecognized code path; take its top real segment as the apk root: 6518 // e.g. /something/app/blah.apk => /something 6519 try { 6520 File f = codePath.getCanonicalFile(); 6521 File parent = f.getParentFile(); // non-null because codePath is a file 6522 File tmp; 6523 while ((tmp = parent.getParentFile()) != null) { 6524 f = parent; 6525 parent = tmp; 6526 } 6527 codeRoot = f; 6528 Slog.w(TAG, "Unrecognized code path " 6529 + codePath + " - using " + codeRoot); 6530 } catch (IOException e) { 6531 // Can't canonicalize the code path -- shenanigans? 6532 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6533 return Environment.getRootDirectory().getPath(); 6534 } 6535 } 6536 return codeRoot.getPath(); 6537 } 6538 6539 /** 6540 * Derive and set the location of native libraries for the given package, 6541 * which varies depending on where and how the package was installed. 6542 */ 6543 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6544 final ApplicationInfo info = pkg.applicationInfo; 6545 final String codePath = pkg.codePath; 6546 final File codeFile = new File(codePath); 6547 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6548 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6549 6550 info.nativeLibraryRootDir = null; 6551 info.nativeLibraryRootRequiresIsa = false; 6552 info.nativeLibraryDir = null; 6553 info.secondaryNativeLibraryDir = null; 6554 6555 if (isApkFile(codeFile)) { 6556 // Monolithic install 6557 if (bundledApp) { 6558 // If "/system/lib64/apkname" exists, assume that is the per-package 6559 // native library directory to use; otherwise use "/system/lib/apkname". 6560 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6561 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6562 getPrimaryInstructionSet(info)); 6563 6564 // This is a bundled system app so choose the path based on the ABI. 6565 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6566 // is just the default path. 6567 final String apkName = deriveCodePathName(codePath); 6568 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6569 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6570 apkName).getAbsolutePath(); 6571 6572 if (info.secondaryCpuAbi != null) { 6573 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6574 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6575 secondaryLibDir, apkName).getAbsolutePath(); 6576 } 6577 } else if (asecApp) { 6578 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6579 .getAbsolutePath(); 6580 } else { 6581 final String apkName = deriveCodePathName(codePath); 6582 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6583 .getAbsolutePath(); 6584 } 6585 6586 info.nativeLibraryRootRequiresIsa = false; 6587 info.nativeLibraryDir = info.nativeLibraryRootDir; 6588 } else { 6589 // Cluster install 6590 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6591 info.nativeLibraryRootRequiresIsa = true; 6592 6593 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6594 getPrimaryInstructionSet(info)).getAbsolutePath(); 6595 6596 if (info.secondaryCpuAbi != null) { 6597 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6598 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6599 } 6600 } 6601 } 6602 6603 /** 6604 * Calculate the abis and roots for a bundled app. These can uniquely 6605 * be determined from the contents of the system partition, i.e whether 6606 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6607 * of this information, and instead assume that the system was built 6608 * sensibly. 6609 */ 6610 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6611 PackageSetting pkgSetting) { 6612 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6613 6614 // If "/system/lib64/apkname" exists, assume that is the per-package 6615 // native library directory to use; otherwise use "/system/lib/apkname". 6616 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6617 setBundledAppAbi(pkg, apkRoot, apkName); 6618 // pkgSetting might be null during rescan following uninstall of updates 6619 // to a bundled app, so accommodate that possibility. The settings in 6620 // that case will be established later from the parsed package. 6621 // 6622 // If the settings aren't null, sync them up with what we've just derived. 6623 // note that apkRoot isn't stored in the package settings. 6624 if (pkgSetting != null) { 6625 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6626 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6627 } 6628 } 6629 6630 /** 6631 * Deduces the ABI of a bundled app and sets the relevant fields on the 6632 * parsed pkg object. 6633 * 6634 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6635 * under which system libraries are installed. 6636 * @param apkName the name of the installed package. 6637 */ 6638 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6639 final File codeFile = new File(pkg.codePath); 6640 6641 final boolean has64BitLibs; 6642 final boolean has32BitLibs; 6643 if (isApkFile(codeFile)) { 6644 // Monolithic install 6645 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6646 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6647 } else { 6648 // Cluster install 6649 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6650 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6651 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6652 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6653 has64BitLibs = (new File(rootDir, isa)).exists(); 6654 } else { 6655 has64BitLibs = false; 6656 } 6657 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6658 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6659 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6660 has32BitLibs = (new File(rootDir, isa)).exists(); 6661 } else { 6662 has32BitLibs = false; 6663 } 6664 } 6665 6666 if (has64BitLibs && !has32BitLibs) { 6667 // The package has 64 bit libs, but not 32 bit libs. Its primary 6668 // ABI should be 64 bit. We can safely assume here that the bundled 6669 // native libraries correspond to the most preferred ABI in the list. 6670 6671 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6672 pkg.applicationInfo.secondaryCpuAbi = null; 6673 } else if (has32BitLibs && !has64BitLibs) { 6674 // The package has 32 bit libs but not 64 bit libs. Its primary 6675 // ABI should be 32 bit. 6676 6677 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6678 pkg.applicationInfo.secondaryCpuAbi = null; 6679 } else if (has32BitLibs && has64BitLibs) { 6680 // The application has both 64 and 32 bit bundled libraries. We check 6681 // here that the app declares multiArch support, and warn if it doesn't. 6682 // 6683 // We will be lenient here and record both ABIs. The primary will be the 6684 // ABI that's higher on the list, i.e, a device that's configured to prefer 6685 // 64 bit apps will see a 64 bit primary ABI, 6686 6687 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6688 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6689 } 6690 6691 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6692 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6693 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6694 } else { 6695 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6696 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6697 } 6698 } else { 6699 pkg.applicationInfo.primaryCpuAbi = null; 6700 pkg.applicationInfo.secondaryCpuAbi = null; 6701 } 6702 } 6703 6704 private void killApplication(String pkgName, int appId, String reason) { 6705 // Request the ActivityManager to kill the process(only for existing packages) 6706 // so that we do not end up in a confused state while the user is still using the older 6707 // version of the application while the new one gets installed. 6708 IActivityManager am = ActivityManagerNative.getDefault(); 6709 if (am != null) { 6710 try { 6711 am.killApplicationWithAppId(pkgName, appId, reason); 6712 } catch (RemoteException e) { 6713 } 6714 } 6715 } 6716 6717 void removePackageLI(PackageSetting ps, boolean chatty) { 6718 if (DEBUG_INSTALL) { 6719 if (chatty) 6720 Log.d(TAG, "Removing package " + ps.name); 6721 } 6722 6723 // writer 6724 synchronized (mPackages) { 6725 mPackages.remove(ps.name); 6726 final PackageParser.Package pkg = ps.pkg; 6727 if (pkg != null) { 6728 cleanPackageDataStructuresLILPw(pkg, chatty); 6729 } 6730 } 6731 } 6732 6733 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6734 if (DEBUG_INSTALL) { 6735 if (chatty) 6736 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6737 } 6738 6739 // writer 6740 synchronized (mPackages) { 6741 mPackages.remove(pkg.applicationInfo.packageName); 6742 cleanPackageDataStructuresLILPw(pkg, chatty); 6743 } 6744 } 6745 6746 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6747 int N = pkg.providers.size(); 6748 StringBuilder r = null; 6749 int i; 6750 for (i=0; i<N; i++) { 6751 PackageParser.Provider p = pkg.providers.get(i); 6752 mProviders.removeProvider(p); 6753 if (p.info.authority == null) { 6754 6755 /* There was another ContentProvider with this authority when 6756 * this app was installed so this authority is null, 6757 * Ignore it as we don't have to unregister the provider. 6758 */ 6759 continue; 6760 } 6761 String names[] = p.info.authority.split(";"); 6762 for (int j = 0; j < names.length; j++) { 6763 if (mProvidersByAuthority.get(names[j]) == p) { 6764 mProvidersByAuthority.remove(names[j]); 6765 if (DEBUG_REMOVE) { 6766 if (chatty) 6767 Log.d(TAG, "Unregistered content provider: " + names[j] 6768 + ", className = " + p.info.name + ", isSyncable = " 6769 + p.info.isSyncable); 6770 } 6771 } 6772 } 6773 if (DEBUG_REMOVE && chatty) { 6774 if (r == null) { 6775 r = new StringBuilder(256); 6776 } else { 6777 r.append(' '); 6778 } 6779 r.append(p.info.name); 6780 } 6781 } 6782 if (r != null) { 6783 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6784 } 6785 6786 N = pkg.services.size(); 6787 r = null; 6788 for (i=0; i<N; i++) { 6789 PackageParser.Service s = pkg.services.get(i); 6790 mServices.removeService(s); 6791 if (chatty) { 6792 if (r == null) { 6793 r = new StringBuilder(256); 6794 } else { 6795 r.append(' '); 6796 } 6797 r.append(s.info.name); 6798 } 6799 } 6800 if (r != null) { 6801 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6802 } 6803 6804 N = pkg.receivers.size(); 6805 r = null; 6806 for (i=0; i<N; i++) { 6807 PackageParser.Activity a = pkg.receivers.get(i); 6808 mReceivers.removeActivity(a, "receiver"); 6809 if (DEBUG_REMOVE && chatty) { 6810 if (r == null) { 6811 r = new StringBuilder(256); 6812 } else { 6813 r.append(' '); 6814 } 6815 r.append(a.info.name); 6816 } 6817 } 6818 if (r != null) { 6819 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6820 } 6821 6822 N = pkg.activities.size(); 6823 r = null; 6824 for (i=0; i<N; i++) { 6825 PackageParser.Activity a = pkg.activities.get(i); 6826 mActivities.removeActivity(a, "activity"); 6827 if (DEBUG_REMOVE && chatty) { 6828 if (r == null) { 6829 r = new StringBuilder(256); 6830 } else { 6831 r.append(' '); 6832 } 6833 r.append(a.info.name); 6834 } 6835 } 6836 if (r != null) { 6837 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6838 } 6839 6840 N = pkg.permissions.size(); 6841 r = null; 6842 for (i=0; i<N; i++) { 6843 PackageParser.Permission p = pkg.permissions.get(i); 6844 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6845 if (bp == null) { 6846 bp = mSettings.mPermissionTrees.get(p.info.name); 6847 } 6848 if (bp != null && bp.perm == p) { 6849 bp.perm = null; 6850 if (DEBUG_REMOVE && chatty) { 6851 if (r == null) { 6852 r = new StringBuilder(256); 6853 } else { 6854 r.append(' '); 6855 } 6856 r.append(p.info.name); 6857 } 6858 } 6859 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6860 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6861 if (appOpPerms != null) { 6862 appOpPerms.remove(pkg.packageName); 6863 } 6864 } 6865 } 6866 if (r != null) { 6867 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6868 } 6869 6870 N = pkg.requestedPermissions.size(); 6871 r = null; 6872 for (i=0; i<N; i++) { 6873 String perm = pkg.requestedPermissions.get(i); 6874 BasePermission bp = mSettings.mPermissions.get(perm); 6875 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6876 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6877 if (appOpPerms != null) { 6878 appOpPerms.remove(pkg.packageName); 6879 if (appOpPerms.isEmpty()) { 6880 mAppOpPermissionPackages.remove(perm); 6881 } 6882 } 6883 } 6884 } 6885 if (r != null) { 6886 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6887 } 6888 6889 N = pkg.instrumentation.size(); 6890 r = null; 6891 for (i=0; i<N; i++) { 6892 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6893 mInstrumentation.remove(a.getComponentName()); 6894 if (DEBUG_REMOVE && chatty) { 6895 if (r == null) { 6896 r = new StringBuilder(256); 6897 } else { 6898 r.append(' '); 6899 } 6900 r.append(a.info.name); 6901 } 6902 } 6903 if (r != null) { 6904 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6905 } 6906 6907 r = null; 6908 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6909 // Only system apps can hold shared libraries. 6910 if (pkg.libraryNames != null) { 6911 for (i=0; i<pkg.libraryNames.size(); i++) { 6912 String name = pkg.libraryNames.get(i); 6913 SharedLibraryEntry cur = mSharedLibraries.get(name); 6914 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6915 mSharedLibraries.remove(name); 6916 if (DEBUG_REMOVE && chatty) { 6917 if (r == null) { 6918 r = new StringBuilder(256); 6919 } else { 6920 r.append(' '); 6921 } 6922 r.append(name); 6923 } 6924 } 6925 } 6926 } 6927 } 6928 if (r != null) { 6929 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6930 } 6931 } 6932 6933 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6934 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6935 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6936 return true; 6937 } 6938 } 6939 return false; 6940 } 6941 6942 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6943 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6944 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6945 6946 private void updatePermissionsLPw(String changingPkg, 6947 PackageParser.Package pkgInfo, int flags) { 6948 // Make sure there are no dangling permission trees. 6949 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6950 while (it.hasNext()) { 6951 final BasePermission bp = it.next(); 6952 if (bp.packageSetting == null) { 6953 // We may not yet have parsed the package, so just see if 6954 // we still know about its settings. 6955 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6956 } 6957 if (bp.packageSetting == null) { 6958 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6959 + " from package " + bp.sourcePackage); 6960 it.remove(); 6961 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6962 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6963 Slog.i(TAG, "Removing old permission tree: " + bp.name 6964 + " from package " + bp.sourcePackage); 6965 flags |= UPDATE_PERMISSIONS_ALL; 6966 it.remove(); 6967 } 6968 } 6969 } 6970 6971 // Make sure all dynamic permissions have been assigned to a package, 6972 // and make sure there are no dangling permissions. 6973 it = mSettings.mPermissions.values().iterator(); 6974 while (it.hasNext()) { 6975 final BasePermission bp = it.next(); 6976 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6977 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6978 + bp.name + " pkg=" + bp.sourcePackage 6979 + " info=" + bp.pendingInfo); 6980 if (bp.packageSetting == null && bp.pendingInfo != null) { 6981 final BasePermission tree = findPermissionTreeLP(bp.name); 6982 if (tree != null && tree.perm != null) { 6983 bp.packageSetting = tree.packageSetting; 6984 bp.perm = new PackageParser.Permission(tree.perm.owner, 6985 new PermissionInfo(bp.pendingInfo)); 6986 bp.perm.info.packageName = tree.perm.info.packageName; 6987 bp.perm.info.name = bp.name; 6988 bp.uid = tree.uid; 6989 } 6990 } 6991 } 6992 if (bp.packageSetting == null) { 6993 // We may not yet have parsed the package, so just see if 6994 // we still know about its settings. 6995 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6996 } 6997 if (bp.packageSetting == null) { 6998 Slog.w(TAG, "Removing dangling permission: " + bp.name 6999 + " from package " + bp.sourcePackage); 7000 it.remove(); 7001 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 7002 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 7003 Slog.i(TAG, "Removing old permission: " + bp.name 7004 + " from package " + bp.sourcePackage); 7005 flags |= UPDATE_PERMISSIONS_ALL; 7006 it.remove(); 7007 } 7008 } 7009 } 7010 7011 // Now update the permissions for all packages, in particular 7012 // replace the granted permissions of the system packages. 7013 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 7014 for (PackageParser.Package pkg : mPackages.values()) { 7015 if (pkg != pkgInfo) { 7016 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 7017 changingPkg); 7018 } 7019 } 7020 } 7021 7022 if (pkgInfo != null) { 7023 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 7024 } 7025 } 7026 7027 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 7028 String packageOfInterest) { 7029 final PackageSetting ps = (PackageSetting) pkg.mExtras; 7030 if (ps == null) { 7031 return; 7032 } 7033 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 7034 ArraySet<String> origPermissions = gp.grantedPermissions; 7035 boolean changedPermission = false; 7036 7037 if (replace) { 7038 ps.permissionsFixed = false; 7039 if (gp == ps) { 7040 origPermissions = new ArraySet<String>(gp.grantedPermissions); 7041 gp.grantedPermissions.clear(); 7042 gp.gids = mGlobalGids; 7043 } 7044 } 7045 7046 if (gp.gids == null) { 7047 gp.gids = mGlobalGids; 7048 } 7049 7050 final int N = pkg.requestedPermissions.size(); 7051 for (int i=0; i<N; i++) { 7052 final String name = pkg.requestedPermissions.get(i); 7053 final boolean required = pkg.requestedPermissionsRequired.get(i); 7054 final BasePermission bp = mSettings.mPermissions.get(name); 7055 if (DEBUG_INSTALL) { 7056 if (gp != ps) { 7057 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 7058 } 7059 } 7060 7061 if (bp == null || bp.packageSetting == null) { 7062 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7063 Slog.w(TAG, "Unknown permission " + name 7064 + " in package " + pkg.packageName); 7065 } 7066 continue; 7067 } 7068 7069 final String perm = bp.name; 7070 boolean allowed; 7071 boolean allowedSig = false; 7072 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 7073 // Keep track of app op permissions. 7074 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 7075 if (pkgs == null) { 7076 pkgs = new ArraySet<>(); 7077 mAppOpPermissionPackages.put(bp.name, pkgs); 7078 } 7079 pkgs.add(pkg.packageName); 7080 } 7081 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 7082 if (level == PermissionInfo.PROTECTION_NORMAL 7083 || level == PermissionInfo.PROTECTION_DANGEROUS) { 7084 // We grant a normal or dangerous permission if any of the following 7085 // are true: 7086 // 1) The permission is required 7087 // 2) The permission is optional, but was granted in the past 7088 // 3) The permission is optional, but was requested by an 7089 // app in /system (not /data) 7090 // 7091 // Otherwise, reject the permission. 7092 allowed = (required || origPermissions.contains(perm) 7093 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 7094 } else if (bp.packageSetting == null) { 7095 // This permission is invalid; skip it. 7096 allowed = false; 7097 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 7098 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 7099 if (allowed) { 7100 allowedSig = true; 7101 } 7102 } else { 7103 allowed = false; 7104 } 7105 if (DEBUG_INSTALL) { 7106 if (gp != ps) { 7107 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7108 } 7109 } 7110 if (allowed) { 7111 if (!isSystemApp(ps) && ps.permissionsFixed) { 7112 // If this is an existing, non-system package, then 7113 // we can't add any new permissions to it. 7114 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7115 // Except... if this is a permission that was added 7116 // to the platform (note: need to only do this when 7117 // updating the platform). 7118 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7119 } 7120 } 7121 if (allowed) { 7122 if (!gp.grantedPermissions.contains(perm)) { 7123 changedPermission = true; 7124 gp.grantedPermissions.add(perm); 7125 gp.gids = appendInts(gp.gids, bp.gids); 7126 } else if (!ps.haveGids) { 7127 gp.gids = appendInts(gp.gids, bp.gids); 7128 } 7129 } else { 7130 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7131 Slog.w(TAG, "Not granting permission " + perm 7132 + " to package " + pkg.packageName 7133 + " because it was previously installed without"); 7134 } 7135 } 7136 } else { 7137 if (gp.grantedPermissions.remove(perm)) { 7138 changedPermission = true; 7139 gp.gids = removeInts(gp.gids, bp.gids); 7140 Slog.i(TAG, "Un-granting permission " + perm 7141 + " from package " + pkg.packageName 7142 + " (protectionLevel=" + bp.protectionLevel 7143 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7144 + ")"); 7145 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7146 // Don't print warning for app op permissions, since it is fine for them 7147 // not to be granted, there is a UI for the user to decide. 7148 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7149 Slog.w(TAG, "Not granting permission " + perm 7150 + " to package " + pkg.packageName 7151 + " (protectionLevel=" + bp.protectionLevel 7152 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7153 + ")"); 7154 } 7155 } 7156 } 7157 } 7158 7159 if ((changedPermission || replace) && !ps.permissionsFixed && 7160 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7161 // This is the first that we have heard about this package, so the 7162 // permissions we have now selected are fixed until explicitly 7163 // changed. 7164 ps.permissionsFixed = true; 7165 } 7166 ps.haveGids = true; 7167 } 7168 7169 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7170 boolean allowed = false; 7171 final int NP = PackageParser.NEW_PERMISSIONS.length; 7172 for (int ip=0; ip<NP; ip++) { 7173 final PackageParser.NewPermissionInfo npi 7174 = PackageParser.NEW_PERMISSIONS[ip]; 7175 if (npi.name.equals(perm) 7176 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7177 allowed = true; 7178 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7179 + pkg.packageName); 7180 break; 7181 } 7182 } 7183 return allowed; 7184 } 7185 7186 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7187 BasePermission bp, ArraySet<String> origPermissions) { 7188 boolean allowed; 7189 allowed = (compareSignatures( 7190 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7191 == PackageManager.SIGNATURE_MATCH) 7192 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7193 == PackageManager.SIGNATURE_MATCH); 7194 if (!allowed && (bp.protectionLevel 7195 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7196 if (isSystemApp(pkg)) { 7197 // For updated system applications, a system permission 7198 // is granted only if it had been defined by the original application. 7199 if (isUpdatedSystemApp(pkg)) { 7200 final PackageSetting sysPs = mSettings 7201 .getDisabledSystemPkgLPr(pkg.packageName); 7202 final GrantedPermissions origGp = sysPs.sharedUser != null 7203 ? sysPs.sharedUser : sysPs; 7204 7205 if (origGp.grantedPermissions.contains(perm)) { 7206 // If the original was granted this permission, we take 7207 // that grant decision as read and propagate it to the 7208 // update. 7209 if (sysPs.isPrivileged()) { 7210 allowed = true; 7211 } 7212 } else { 7213 // The system apk may have been updated with an older 7214 // version of the one on the data partition, but which 7215 // granted a new system permission that it didn't have 7216 // before. In this case we do want to allow the app to 7217 // now get the new permission if the ancestral apk is 7218 // privileged to get it. 7219 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7220 for (int j=0; 7221 j<sysPs.pkg.requestedPermissions.size(); j++) { 7222 if (perm.equals( 7223 sysPs.pkg.requestedPermissions.get(j))) { 7224 allowed = true; 7225 break; 7226 } 7227 } 7228 } 7229 } 7230 } else { 7231 allowed = isPrivilegedApp(pkg); 7232 } 7233 } 7234 } 7235 if (!allowed && (bp.protectionLevel 7236 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7237 // For development permissions, a development permission 7238 // is granted only if it was already granted. 7239 allowed = origPermissions.contains(perm); 7240 } 7241 return allowed; 7242 } 7243 7244 final class ActivityIntentResolver 7245 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7246 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7247 boolean defaultOnly, int userId) { 7248 if (!sUserManager.exists(userId)) return null; 7249 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7250 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7251 } 7252 7253 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7254 int userId) { 7255 if (!sUserManager.exists(userId)) return null; 7256 mFlags = flags; 7257 return super.queryIntent(intent, resolvedType, 7258 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7259 } 7260 7261 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7262 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7263 if (!sUserManager.exists(userId)) return null; 7264 if (packageActivities == null) { 7265 return null; 7266 } 7267 mFlags = flags; 7268 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7269 final int N = packageActivities.size(); 7270 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7271 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7272 7273 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7274 for (int i = 0; i < N; ++i) { 7275 intentFilters = packageActivities.get(i).intents; 7276 if (intentFilters != null && intentFilters.size() > 0) { 7277 PackageParser.ActivityIntentInfo[] array = 7278 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7279 intentFilters.toArray(array); 7280 listCut.add(array); 7281 } 7282 } 7283 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7284 } 7285 7286 public final void addActivity(PackageParser.Activity a, String type) { 7287 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7288 mActivities.put(a.getComponentName(), a); 7289 if (DEBUG_SHOW_INFO) 7290 Log.v( 7291 TAG, " " + type + " " + 7292 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7293 if (DEBUG_SHOW_INFO) 7294 Log.v(TAG, " Class=" + a.info.name); 7295 final int NI = a.intents.size(); 7296 for (int j=0; j<NI; j++) { 7297 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7298 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7299 intent.setPriority(0); 7300 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7301 + a.className + " with priority > 0, forcing to 0"); 7302 } 7303 if (DEBUG_SHOW_INFO) { 7304 Log.v(TAG, " IntentFilter:"); 7305 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7306 } 7307 if (!intent.debugCheck()) { 7308 Log.w(TAG, "==> For Activity " + a.info.name); 7309 } 7310 addFilter(intent); 7311 } 7312 } 7313 7314 public final void removeActivity(PackageParser.Activity a, String type) { 7315 mActivities.remove(a.getComponentName()); 7316 if (DEBUG_SHOW_INFO) { 7317 Log.v(TAG, " " + type + " " 7318 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7319 : a.info.name) + ":"); 7320 Log.v(TAG, " Class=" + a.info.name); 7321 } 7322 final int NI = a.intents.size(); 7323 for (int j=0; j<NI; j++) { 7324 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7325 if (DEBUG_SHOW_INFO) { 7326 Log.v(TAG, " IntentFilter:"); 7327 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7328 } 7329 removeFilter(intent); 7330 } 7331 } 7332 7333 @Override 7334 protected boolean allowFilterResult( 7335 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7336 ActivityInfo filterAi = filter.activity.info; 7337 for (int i=dest.size()-1; i>=0; i--) { 7338 ActivityInfo destAi = dest.get(i).activityInfo; 7339 if (destAi.name == filterAi.name 7340 && destAi.packageName == filterAi.packageName) { 7341 return false; 7342 } 7343 } 7344 return true; 7345 } 7346 7347 @Override 7348 protected ActivityIntentInfo[] newArray(int size) { 7349 return new ActivityIntentInfo[size]; 7350 } 7351 7352 @Override 7353 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7354 if (!sUserManager.exists(userId)) return true; 7355 PackageParser.Package p = filter.activity.owner; 7356 if (p != null) { 7357 PackageSetting ps = (PackageSetting)p.mExtras; 7358 if (ps != null) { 7359 // System apps are never considered stopped for purposes of 7360 // filtering, because there may be no way for the user to 7361 // actually re-launch them. 7362 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7363 && ps.getStopped(userId); 7364 } 7365 } 7366 return false; 7367 } 7368 7369 @Override 7370 protected boolean isPackageForFilter(String packageName, 7371 PackageParser.ActivityIntentInfo info) { 7372 return packageName.equals(info.activity.owner.packageName); 7373 } 7374 7375 @Override 7376 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7377 int match, int userId) { 7378 if (!sUserManager.exists(userId)) return null; 7379 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7380 return null; 7381 } 7382 final PackageParser.Activity activity = info.activity; 7383 if (mSafeMode && (activity.info.applicationInfo.flags 7384 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7385 return null; 7386 } 7387 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7388 if (ps == null) { 7389 return null; 7390 } 7391 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7392 ps.readUserState(userId), userId); 7393 if (ai == null) { 7394 return null; 7395 } 7396 final ResolveInfo res = new ResolveInfo(); 7397 res.activityInfo = ai; 7398 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7399 res.filter = info; 7400 } 7401 res.priority = info.getPriority(); 7402 res.preferredOrder = activity.owner.mPreferredOrder; 7403 //System.out.println("Result: " + res.activityInfo.className + 7404 // " = " + res.priority); 7405 res.match = match; 7406 res.isDefault = info.hasDefault; 7407 res.labelRes = info.labelRes; 7408 res.nonLocalizedLabel = info.nonLocalizedLabel; 7409 if (userNeedsBadging(userId)) { 7410 res.noResourceId = true; 7411 } else { 7412 res.icon = info.icon; 7413 } 7414 res.system = isSystemApp(res.activityInfo.applicationInfo); 7415 return res; 7416 } 7417 7418 @Override 7419 protected void sortResults(List<ResolveInfo> results) { 7420 Collections.sort(results, mResolvePrioritySorter); 7421 } 7422 7423 @Override 7424 protected void dumpFilter(PrintWriter out, String prefix, 7425 PackageParser.ActivityIntentInfo filter) { 7426 out.print(prefix); out.print( 7427 Integer.toHexString(System.identityHashCode(filter.activity))); 7428 out.print(' '); 7429 filter.activity.printComponentShortName(out); 7430 out.print(" filter "); 7431 out.println(Integer.toHexString(System.identityHashCode(filter))); 7432 } 7433 7434 @Override 7435 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 7436 return filter.activity; 7437 } 7438 7439 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7440 PackageParser.Activity activity = (PackageParser.Activity)label; 7441 out.print(prefix); out.print( 7442 Integer.toHexString(System.identityHashCode(activity))); 7443 out.print(' '); 7444 activity.printComponentShortName(out); 7445 if (count > 1) { 7446 out.print(" ("); out.print(count); out.print(" filters)"); 7447 } 7448 out.println(); 7449 } 7450 7451// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7452// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7453// final List<ResolveInfo> retList = Lists.newArrayList(); 7454// while (i.hasNext()) { 7455// final ResolveInfo resolveInfo = i.next(); 7456// if (isEnabledLP(resolveInfo.activityInfo)) { 7457// retList.add(resolveInfo); 7458// } 7459// } 7460// return retList; 7461// } 7462 7463 // Keys are String (activity class name), values are Activity. 7464 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 7465 = new ArrayMap<ComponentName, PackageParser.Activity>(); 7466 private int mFlags; 7467 } 7468 7469 private final class ServiceIntentResolver 7470 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7471 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7472 boolean defaultOnly, int userId) { 7473 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7474 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7475 } 7476 7477 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7478 int userId) { 7479 if (!sUserManager.exists(userId)) return null; 7480 mFlags = flags; 7481 return super.queryIntent(intent, resolvedType, 7482 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7483 } 7484 7485 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7486 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7487 if (!sUserManager.exists(userId)) return null; 7488 if (packageServices == null) { 7489 return null; 7490 } 7491 mFlags = flags; 7492 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7493 final int N = packageServices.size(); 7494 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7495 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7496 7497 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7498 for (int i = 0; i < N; ++i) { 7499 intentFilters = packageServices.get(i).intents; 7500 if (intentFilters != null && intentFilters.size() > 0) { 7501 PackageParser.ServiceIntentInfo[] array = 7502 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7503 intentFilters.toArray(array); 7504 listCut.add(array); 7505 } 7506 } 7507 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7508 } 7509 7510 public final void addService(PackageParser.Service s) { 7511 mServices.put(s.getComponentName(), s); 7512 if (DEBUG_SHOW_INFO) { 7513 Log.v(TAG, " " 7514 + (s.info.nonLocalizedLabel != null 7515 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7516 Log.v(TAG, " Class=" + s.info.name); 7517 } 7518 final int NI = s.intents.size(); 7519 int j; 7520 for (j=0; j<NI; j++) { 7521 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7522 if (DEBUG_SHOW_INFO) { 7523 Log.v(TAG, " IntentFilter:"); 7524 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7525 } 7526 if (!intent.debugCheck()) { 7527 Log.w(TAG, "==> For Service " + s.info.name); 7528 } 7529 addFilter(intent); 7530 } 7531 } 7532 7533 public final void removeService(PackageParser.Service s) { 7534 mServices.remove(s.getComponentName()); 7535 if (DEBUG_SHOW_INFO) { 7536 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7537 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7538 Log.v(TAG, " Class=" + s.info.name); 7539 } 7540 final int NI = s.intents.size(); 7541 int j; 7542 for (j=0; j<NI; j++) { 7543 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7544 if (DEBUG_SHOW_INFO) { 7545 Log.v(TAG, " IntentFilter:"); 7546 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7547 } 7548 removeFilter(intent); 7549 } 7550 } 7551 7552 @Override 7553 protected boolean allowFilterResult( 7554 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7555 ServiceInfo filterSi = filter.service.info; 7556 for (int i=dest.size()-1; i>=0; i--) { 7557 ServiceInfo destAi = dest.get(i).serviceInfo; 7558 if (destAi.name == filterSi.name 7559 && destAi.packageName == filterSi.packageName) { 7560 return false; 7561 } 7562 } 7563 return true; 7564 } 7565 7566 @Override 7567 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7568 return new PackageParser.ServiceIntentInfo[size]; 7569 } 7570 7571 @Override 7572 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7573 if (!sUserManager.exists(userId)) return true; 7574 PackageParser.Package p = filter.service.owner; 7575 if (p != null) { 7576 PackageSetting ps = (PackageSetting)p.mExtras; 7577 if (ps != null) { 7578 // System apps are never considered stopped for purposes of 7579 // filtering, because there may be no way for the user to 7580 // actually re-launch them. 7581 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7582 && ps.getStopped(userId); 7583 } 7584 } 7585 return false; 7586 } 7587 7588 @Override 7589 protected boolean isPackageForFilter(String packageName, 7590 PackageParser.ServiceIntentInfo info) { 7591 return packageName.equals(info.service.owner.packageName); 7592 } 7593 7594 @Override 7595 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7596 int match, int userId) { 7597 if (!sUserManager.exists(userId)) return null; 7598 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7599 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7600 return null; 7601 } 7602 final PackageParser.Service service = info.service; 7603 if (mSafeMode && (service.info.applicationInfo.flags 7604 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7605 return null; 7606 } 7607 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7608 if (ps == null) { 7609 return null; 7610 } 7611 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7612 ps.readUserState(userId), userId); 7613 if (si == null) { 7614 return null; 7615 } 7616 final ResolveInfo res = new ResolveInfo(); 7617 res.serviceInfo = si; 7618 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7619 res.filter = filter; 7620 } 7621 res.priority = info.getPriority(); 7622 res.preferredOrder = service.owner.mPreferredOrder; 7623 //System.out.println("Result: " + res.activityInfo.className + 7624 // " = " + res.priority); 7625 res.match = match; 7626 res.isDefault = info.hasDefault; 7627 res.labelRes = info.labelRes; 7628 res.nonLocalizedLabel = info.nonLocalizedLabel; 7629 res.icon = info.icon; 7630 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7631 return res; 7632 } 7633 7634 @Override 7635 protected void sortResults(List<ResolveInfo> results) { 7636 Collections.sort(results, mResolvePrioritySorter); 7637 } 7638 7639 @Override 7640 protected void dumpFilter(PrintWriter out, String prefix, 7641 PackageParser.ServiceIntentInfo filter) { 7642 out.print(prefix); out.print( 7643 Integer.toHexString(System.identityHashCode(filter.service))); 7644 out.print(' '); 7645 filter.service.printComponentShortName(out); 7646 out.print(" filter "); 7647 out.println(Integer.toHexString(System.identityHashCode(filter))); 7648 } 7649 7650 @Override 7651 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 7652 return filter.service; 7653 } 7654 7655 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7656 PackageParser.Service service = (PackageParser.Service)label; 7657 out.print(prefix); out.print( 7658 Integer.toHexString(System.identityHashCode(service))); 7659 out.print(' '); 7660 service.printComponentShortName(out); 7661 if (count > 1) { 7662 out.print(" ("); out.print(count); out.print(" filters)"); 7663 } 7664 out.println(); 7665 } 7666 7667// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7668// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7669// final List<ResolveInfo> retList = Lists.newArrayList(); 7670// while (i.hasNext()) { 7671// final ResolveInfo resolveInfo = (ResolveInfo) i; 7672// if (isEnabledLP(resolveInfo.serviceInfo)) { 7673// retList.add(resolveInfo); 7674// } 7675// } 7676// return retList; 7677// } 7678 7679 // Keys are String (activity class name), values are Activity. 7680 private final ArrayMap<ComponentName, PackageParser.Service> mServices 7681 = new ArrayMap<ComponentName, PackageParser.Service>(); 7682 private int mFlags; 7683 }; 7684 7685 private final class ProviderIntentResolver 7686 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7687 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7688 boolean defaultOnly, int userId) { 7689 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7690 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7691 } 7692 7693 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7694 int userId) { 7695 if (!sUserManager.exists(userId)) 7696 return null; 7697 mFlags = flags; 7698 return super.queryIntent(intent, resolvedType, 7699 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7700 } 7701 7702 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7703 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7704 if (!sUserManager.exists(userId)) 7705 return null; 7706 if (packageProviders == null) { 7707 return null; 7708 } 7709 mFlags = flags; 7710 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7711 final int N = packageProviders.size(); 7712 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7713 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7714 7715 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7716 for (int i = 0; i < N; ++i) { 7717 intentFilters = packageProviders.get(i).intents; 7718 if (intentFilters != null && intentFilters.size() > 0) { 7719 PackageParser.ProviderIntentInfo[] array = 7720 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7721 intentFilters.toArray(array); 7722 listCut.add(array); 7723 } 7724 } 7725 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7726 } 7727 7728 public final void addProvider(PackageParser.Provider p) { 7729 if (mProviders.containsKey(p.getComponentName())) { 7730 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7731 return; 7732 } 7733 7734 mProviders.put(p.getComponentName(), p); 7735 if (DEBUG_SHOW_INFO) { 7736 Log.v(TAG, " " 7737 + (p.info.nonLocalizedLabel != null 7738 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7739 Log.v(TAG, " Class=" + p.info.name); 7740 } 7741 final int NI = p.intents.size(); 7742 int j; 7743 for (j = 0; j < NI; j++) { 7744 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7745 if (DEBUG_SHOW_INFO) { 7746 Log.v(TAG, " IntentFilter:"); 7747 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7748 } 7749 if (!intent.debugCheck()) { 7750 Log.w(TAG, "==> For Provider " + p.info.name); 7751 } 7752 addFilter(intent); 7753 } 7754 } 7755 7756 public final void removeProvider(PackageParser.Provider p) { 7757 mProviders.remove(p.getComponentName()); 7758 if (DEBUG_SHOW_INFO) { 7759 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7760 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7761 Log.v(TAG, " Class=" + p.info.name); 7762 } 7763 final int NI = p.intents.size(); 7764 int j; 7765 for (j = 0; j < NI; j++) { 7766 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7767 if (DEBUG_SHOW_INFO) { 7768 Log.v(TAG, " IntentFilter:"); 7769 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7770 } 7771 removeFilter(intent); 7772 } 7773 } 7774 7775 @Override 7776 protected boolean allowFilterResult( 7777 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7778 ProviderInfo filterPi = filter.provider.info; 7779 for (int i = dest.size() - 1; i >= 0; i--) { 7780 ProviderInfo destPi = dest.get(i).providerInfo; 7781 if (destPi.name == filterPi.name 7782 && destPi.packageName == filterPi.packageName) { 7783 return false; 7784 } 7785 } 7786 return true; 7787 } 7788 7789 @Override 7790 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7791 return new PackageParser.ProviderIntentInfo[size]; 7792 } 7793 7794 @Override 7795 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7796 if (!sUserManager.exists(userId)) 7797 return true; 7798 PackageParser.Package p = filter.provider.owner; 7799 if (p != null) { 7800 PackageSetting ps = (PackageSetting) p.mExtras; 7801 if (ps != null) { 7802 // System apps are never considered stopped for purposes of 7803 // filtering, because there may be no way for the user to 7804 // actually re-launch them. 7805 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7806 && ps.getStopped(userId); 7807 } 7808 } 7809 return false; 7810 } 7811 7812 @Override 7813 protected boolean isPackageForFilter(String packageName, 7814 PackageParser.ProviderIntentInfo info) { 7815 return packageName.equals(info.provider.owner.packageName); 7816 } 7817 7818 @Override 7819 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7820 int match, int userId) { 7821 if (!sUserManager.exists(userId)) 7822 return null; 7823 final PackageParser.ProviderIntentInfo info = filter; 7824 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7825 return null; 7826 } 7827 final PackageParser.Provider provider = info.provider; 7828 if (mSafeMode && (provider.info.applicationInfo.flags 7829 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7830 return null; 7831 } 7832 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7833 if (ps == null) { 7834 return null; 7835 } 7836 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7837 ps.readUserState(userId), userId); 7838 if (pi == null) { 7839 return null; 7840 } 7841 final ResolveInfo res = new ResolveInfo(); 7842 res.providerInfo = pi; 7843 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7844 res.filter = filter; 7845 } 7846 res.priority = info.getPriority(); 7847 res.preferredOrder = provider.owner.mPreferredOrder; 7848 res.match = match; 7849 res.isDefault = info.hasDefault; 7850 res.labelRes = info.labelRes; 7851 res.nonLocalizedLabel = info.nonLocalizedLabel; 7852 res.icon = info.icon; 7853 res.system = isSystemApp(res.providerInfo.applicationInfo); 7854 return res; 7855 } 7856 7857 @Override 7858 protected void sortResults(List<ResolveInfo> results) { 7859 Collections.sort(results, mResolvePrioritySorter); 7860 } 7861 7862 @Override 7863 protected void dumpFilter(PrintWriter out, String prefix, 7864 PackageParser.ProviderIntentInfo filter) { 7865 out.print(prefix); 7866 out.print( 7867 Integer.toHexString(System.identityHashCode(filter.provider))); 7868 out.print(' '); 7869 filter.provider.printComponentShortName(out); 7870 out.print(" filter "); 7871 out.println(Integer.toHexString(System.identityHashCode(filter))); 7872 } 7873 7874 @Override 7875 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 7876 return filter.provider; 7877 } 7878 7879 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 7880 PackageParser.Provider provider = (PackageParser.Provider)label; 7881 out.print(prefix); out.print( 7882 Integer.toHexString(System.identityHashCode(provider))); 7883 out.print(' '); 7884 provider.printComponentShortName(out); 7885 if (count > 1) { 7886 out.print(" ("); out.print(count); out.print(" filters)"); 7887 } 7888 out.println(); 7889 } 7890 7891 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 7892 = new ArrayMap<ComponentName, PackageParser.Provider>(); 7893 private int mFlags; 7894 }; 7895 7896 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7897 new Comparator<ResolveInfo>() { 7898 public int compare(ResolveInfo r1, ResolveInfo r2) { 7899 int v1 = r1.priority; 7900 int v2 = r2.priority; 7901 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7902 if (v1 != v2) { 7903 return (v1 > v2) ? -1 : 1; 7904 } 7905 v1 = r1.preferredOrder; 7906 v2 = r2.preferredOrder; 7907 if (v1 != v2) { 7908 return (v1 > v2) ? -1 : 1; 7909 } 7910 if (r1.isDefault != r2.isDefault) { 7911 return r1.isDefault ? -1 : 1; 7912 } 7913 v1 = r1.match; 7914 v2 = r2.match; 7915 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7916 if (v1 != v2) { 7917 return (v1 > v2) ? -1 : 1; 7918 } 7919 if (r1.system != r2.system) { 7920 return r1.system ? -1 : 1; 7921 } 7922 return 0; 7923 } 7924 }; 7925 7926 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7927 new Comparator<ProviderInfo>() { 7928 public int compare(ProviderInfo p1, ProviderInfo p2) { 7929 final int v1 = p1.initOrder; 7930 final int v2 = p2.initOrder; 7931 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7932 } 7933 }; 7934 7935 static final void sendPackageBroadcast(String action, String pkg, 7936 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7937 int[] userIds) { 7938 IActivityManager am = ActivityManagerNative.getDefault(); 7939 if (am != null) { 7940 try { 7941 if (userIds == null) { 7942 userIds = am.getRunningUserIds(); 7943 } 7944 for (int id : userIds) { 7945 final Intent intent = new Intent(action, 7946 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7947 if (extras != null) { 7948 intent.putExtras(extras); 7949 } 7950 if (targetPkg != null) { 7951 intent.setPackage(targetPkg); 7952 } 7953 // Modify the UID when posting to other users 7954 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7955 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7956 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7957 intent.putExtra(Intent.EXTRA_UID, uid); 7958 } 7959 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7960 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7961 if (DEBUG_BROADCASTS) { 7962 RuntimeException here = new RuntimeException("here"); 7963 here.fillInStackTrace(); 7964 Slog.d(TAG, "Sending to user " + id + ": " 7965 + intent.toShortString(false, true, false, false) 7966 + " " + intent.getExtras(), here); 7967 } 7968 am.broadcastIntent(null, intent, null, finishedReceiver, 7969 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7970 finishedReceiver != null, false, id); 7971 } 7972 } catch (RemoteException ex) { 7973 } 7974 } 7975 } 7976 7977 /** 7978 * Check if the external storage media is available. This is true if there 7979 * is a mounted external storage medium or if the external storage is 7980 * emulated. 7981 */ 7982 private boolean isExternalMediaAvailable() { 7983 return mMediaMounted || Environment.isExternalStorageEmulated(); 7984 } 7985 7986 @Override 7987 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7988 // writer 7989 synchronized (mPackages) { 7990 if (!isExternalMediaAvailable()) { 7991 // If the external storage is no longer mounted at this point, 7992 // the caller may not have been able to delete all of this 7993 // packages files and can not delete any more. Bail. 7994 return null; 7995 } 7996 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7997 if (lastPackage != null) { 7998 pkgs.remove(lastPackage); 7999 } 8000 if (pkgs.size() > 0) { 8001 return pkgs.get(0); 8002 } 8003 } 8004 return null; 8005 } 8006 8007 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 8008 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 8009 userId, andCode ? 1 : 0, packageName); 8010 if (mSystemReady) { 8011 msg.sendToTarget(); 8012 } else { 8013 if (mPostSystemReadyMessages == null) { 8014 mPostSystemReadyMessages = new ArrayList<>(); 8015 } 8016 mPostSystemReadyMessages.add(msg); 8017 } 8018 } 8019 8020 void startCleaningPackages() { 8021 // reader 8022 synchronized (mPackages) { 8023 if (!isExternalMediaAvailable()) { 8024 return; 8025 } 8026 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 8027 return; 8028 } 8029 } 8030 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 8031 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 8032 IActivityManager am = ActivityManagerNative.getDefault(); 8033 if (am != null) { 8034 try { 8035 am.startService(null, intent, null, UserHandle.USER_OWNER); 8036 } catch (RemoteException e) { 8037 } 8038 } 8039 } 8040 8041 @Override 8042 public void installPackage(String originPath, IPackageInstallObserver2 observer, 8043 int installFlags, String installerPackageName, VerificationParams verificationParams, 8044 String packageAbiOverride) { 8045 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 8046 packageAbiOverride, UserHandle.getCallingUserId()); 8047 } 8048 8049 @Override 8050 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 8051 int installFlags, String installerPackageName, VerificationParams verificationParams, 8052 String packageAbiOverride, int userId) { 8053 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 8054 8055 final int callingUid = Binder.getCallingUid(); 8056 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 8057 8058 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8059 try { 8060 if (observer != null) { 8061 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 8062 } 8063 } catch (RemoteException re) { 8064 } 8065 return; 8066 } 8067 8068 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 8069 installFlags |= PackageManager.INSTALL_FROM_ADB; 8070 8071 } else { 8072 // Caller holds INSTALL_PACKAGES permission, so we're less strict 8073 // about installerPackageName. 8074 8075 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 8076 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 8077 } 8078 8079 UserHandle user; 8080 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 8081 user = UserHandle.ALL; 8082 } else { 8083 user = new UserHandle(userId); 8084 } 8085 8086 verificationParams.setInstallerUid(callingUid); 8087 8088 final File originFile = new File(originPath); 8089 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 8090 8091 final Message msg = mHandler.obtainMessage(INIT_COPY); 8092 msg.obj = new InstallParams(origin, observer, installFlags, 8093 installerPackageName, verificationParams, user, packageAbiOverride); 8094 mHandler.sendMessage(msg); 8095 } 8096 8097 void installStage(String packageName, File stagedDir, String stagedCid, 8098 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 8099 String installerPackageName, int installerUid, UserHandle user) { 8100 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 8101 params.referrerUri, installerUid, null); 8102 8103 final OriginInfo origin; 8104 if (stagedDir != null) { 8105 origin = OriginInfo.fromStagedFile(stagedDir); 8106 } else { 8107 origin = OriginInfo.fromStagedContainer(stagedCid); 8108 } 8109 8110 final Message msg = mHandler.obtainMessage(INIT_COPY); 8111 msg.obj = new InstallParams(origin, observer, params.installFlags, 8112 installerPackageName, verifParams, user, params.abiOverride); 8113 mHandler.sendMessage(msg); 8114 } 8115 8116 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 8117 Bundle extras = new Bundle(1); 8118 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 8119 8120 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 8121 packageName, extras, null, null, new int[] {userId}); 8122 try { 8123 IActivityManager am = ActivityManagerNative.getDefault(); 8124 final boolean isSystem = 8125 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 8126 if (isSystem && am.isUserRunning(userId, false)) { 8127 // The just-installed/enabled app is bundled on the system, so presumed 8128 // to be able to run automatically without needing an explicit launch. 8129 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 8130 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 8131 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 8132 .setPackage(packageName); 8133 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 8134 android.app.AppOpsManager.OP_NONE, false, false, userId); 8135 } 8136 } catch (RemoteException e) { 8137 // shouldn't happen 8138 Slog.w(TAG, "Unable to bootstrap installed package", e); 8139 } 8140 } 8141 8142 @Override 8143 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 8144 int userId) { 8145 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8146 PackageSetting pkgSetting; 8147 final int uid = Binder.getCallingUid(); 8148 enforceCrossUserPermission(uid, userId, true, true, 8149 "setApplicationHiddenSetting for user " + userId); 8150 8151 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8152 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8153 return false; 8154 } 8155 8156 long callingId = Binder.clearCallingIdentity(); 8157 try { 8158 boolean sendAdded = false; 8159 boolean sendRemoved = false; 8160 // writer 8161 synchronized (mPackages) { 8162 pkgSetting = mSettings.mPackages.get(packageName); 8163 if (pkgSetting == null) { 8164 return false; 8165 } 8166 if (pkgSetting.getHidden(userId) != hidden) { 8167 pkgSetting.setHidden(hidden, userId); 8168 mSettings.writePackageRestrictionsLPr(userId); 8169 if (hidden) { 8170 sendRemoved = true; 8171 } else { 8172 sendAdded = true; 8173 } 8174 } 8175 } 8176 if (sendAdded) { 8177 sendPackageAddedForUser(packageName, pkgSetting, userId); 8178 return true; 8179 } 8180 if (sendRemoved) { 8181 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8182 "hiding pkg"); 8183 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8184 } 8185 } finally { 8186 Binder.restoreCallingIdentity(callingId); 8187 } 8188 return false; 8189 } 8190 8191 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8192 int userId) { 8193 final PackageRemovedInfo info = new PackageRemovedInfo(); 8194 info.removedPackage = packageName; 8195 info.removedUsers = new int[] {userId}; 8196 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8197 info.sendBroadcast(false, false, false); 8198 } 8199 8200 /** 8201 * Returns true if application is not found or there was an error. Otherwise it returns 8202 * the hidden state of the package for the given user. 8203 */ 8204 @Override 8205 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8206 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8207 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8208 false, "getApplicationHidden for user " + userId); 8209 PackageSetting pkgSetting; 8210 long callingId = Binder.clearCallingIdentity(); 8211 try { 8212 // writer 8213 synchronized (mPackages) { 8214 pkgSetting = mSettings.mPackages.get(packageName); 8215 if (pkgSetting == null) { 8216 return true; 8217 } 8218 return pkgSetting.getHidden(userId); 8219 } 8220 } finally { 8221 Binder.restoreCallingIdentity(callingId); 8222 } 8223 } 8224 8225 /** 8226 * @hide 8227 */ 8228 @Override 8229 public int installExistingPackageAsUser(String packageName, int userId) { 8230 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8231 null); 8232 PackageSetting pkgSetting; 8233 final int uid = Binder.getCallingUid(); 8234 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8235 + userId); 8236 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8237 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8238 } 8239 8240 long callingId = Binder.clearCallingIdentity(); 8241 try { 8242 boolean sendAdded = false; 8243 Bundle extras = new Bundle(1); 8244 8245 // writer 8246 synchronized (mPackages) { 8247 pkgSetting = mSettings.mPackages.get(packageName); 8248 if (pkgSetting == null) { 8249 return PackageManager.INSTALL_FAILED_INVALID_URI; 8250 } 8251 if (!pkgSetting.getInstalled(userId)) { 8252 pkgSetting.setInstalled(true, userId); 8253 pkgSetting.setHidden(false, userId); 8254 mSettings.writePackageRestrictionsLPr(userId); 8255 sendAdded = true; 8256 } 8257 } 8258 8259 if (sendAdded) { 8260 sendPackageAddedForUser(packageName, pkgSetting, userId); 8261 } 8262 } finally { 8263 Binder.restoreCallingIdentity(callingId); 8264 } 8265 8266 return PackageManager.INSTALL_SUCCEEDED; 8267 } 8268 8269 boolean isUserRestricted(int userId, String restrictionKey) { 8270 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8271 if (restrictions.getBoolean(restrictionKey, false)) { 8272 Log.w(TAG, "User is restricted: " + restrictionKey); 8273 return true; 8274 } 8275 return false; 8276 } 8277 8278 @Override 8279 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8280 mContext.enforceCallingOrSelfPermission( 8281 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8282 "Only package verification agents can verify applications"); 8283 8284 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8285 final PackageVerificationResponse response = new PackageVerificationResponse( 8286 verificationCode, Binder.getCallingUid()); 8287 msg.arg1 = id; 8288 msg.obj = response; 8289 mHandler.sendMessage(msg); 8290 } 8291 8292 @Override 8293 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8294 long millisecondsToDelay) { 8295 mContext.enforceCallingOrSelfPermission( 8296 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8297 "Only package verification agents can extend verification timeouts"); 8298 8299 final PackageVerificationState state = mPendingVerification.get(id); 8300 final PackageVerificationResponse response = new PackageVerificationResponse( 8301 verificationCodeAtTimeout, Binder.getCallingUid()); 8302 8303 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8304 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8305 } 8306 if (millisecondsToDelay < 0) { 8307 millisecondsToDelay = 0; 8308 } 8309 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8310 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8311 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8312 } 8313 8314 if ((state != null) && !state.timeoutExtended()) { 8315 state.extendTimeout(); 8316 8317 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8318 msg.arg1 = id; 8319 msg.obj = response; 8320 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8321 } 8322 } 8323 8324 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8325 int verificationCode, UserHandle user) { 8326 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8327 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8328 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8329 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8330 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8331 8332 mContext.sendBroadcastAsUser(intent, user, 8333 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8334 } 8335 8336 private ComponentName matchComponentForVerifier(String packageName, 8337 List<ResolveInfo> receivers) { 8338 ActivityInfo targetReceiver = null; 8339 8340 final int NR = receivers.size(); 8341 for (int i = 0; i < NR; i++) { 8342 final ResolveInfo info = receivers.get(i); 8343 if (info.activityInfo == null) { 8344 continue; 8345 } 8346 8347 if (packageName.equals(info.activityInfo.packageName)) { 8348 targetReceiver = info.activityInfo; 8349 break; 8350 } 8351 } 8352 8353 if (targetReceiver == null) { 8354 return null; 8355 } 8356 8357 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8358 } 8359 8360 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8361 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8362 if (pkgInfo.verifiers.length == 0) { 8363 return null; 8364 } 8365 8366 final int N = pkgInfo.verifiers.length; 8367 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8368 for (int i = 0; i < N; i++) { 8369 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8370 8371 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8372 receivers); 8373 if (comp == null) { 8374 continue; 8375 } 8376 8377 final int verifierUid = getUidForVerifier(verifierInfo); 8378 if (verifierUid == -1) { 8379 continue; 8380 } 8381 8382 if (DEBUG_VERIFY) { 8383 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8384 + " with the correct signature"); 8385 } 8386 sufficientVerifiers.add(comp); 8387 verificationState.addSufficientVerifier(verifierUid); 8388 } 8389 8390 return sufficientVerifiers; 8391 } 8392 8393 private int getUidForVerifier(VerifierInfo verifierInfo) { 8394 synchronized (mPackages) { 8395 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8396 if (pkg == null) { 8397 return -1; 8398 } else if (pkg.mSignatures.length != 1) { 8399 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8400 + " has more than one signature; ignoring"); 8401 return -1; 8402 } 8403 8404 /* 8405 * If the public key of the package's signature does not match 8406 * our expected public key, then this is a different package and 8407 * we should skip. 8408 */ 8409 8410 final byte[] expectedPublicKey; 8411 try { 8412 final Signature verifierSig = pkg.mSignatures[0]; 8413 final PublicKey publicKey = verifierSig.getPublicKey(); 8414 expectedPublicKey = publicKey.getEncoded(); 8415 } catch (CertificateException e) { 8416 return -1; 8417 } 8418 8419 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8420 8421 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8422 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8423 + " does not have the expected public key; ignoring"); 8424 return -1; 8425 } 8426 8427 return pkg.applicationInfo.uid; 8428 } 8429 } 8430 8431 @Override 8432 public void finishPackageInstall(int token) { 8433 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8434 8435 if (DEBUG_INSTALL) { 8436 Slog.v(TAG, "BM finishing package install for " + token); 8437 } 8438 8439 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8440 mHandler.sendMessage(msg); 8441 } 8442 8443 /** 8444 * Get the verification agent timeout. 8445 * 8446 * @return verification timeout in milliseconds 8447 */ 8448 private long getVerificationTimeout() { 8449 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8450 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8451 DEFAULT_VERIFICATION_TIMEOUT); 8452 } 8453 8454 /** 8455 * Get the default verification agent response code. 8456 * 8457 * @return default verification response code 8458 */ 8459 private int getDefaultVerificationResponse() { 8460 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8461 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8462 DEFAULT_VERIFICATION_RESPONSE); 8463 } 8464 8465 /** 8466 * Check whether or not package verification has been enabled. 8467 * 8468 * @return true if verification should be performed 8469 */ 8470 private boolean isVerificationEnabled(int userId, int installFlags) { 8471 if (!DEFAULT_VERIFY_ENABLE) { 8472 return false; 8473 } 8474 8475 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8476 8477 // Check if installing from ADB 8478 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8479 // Do not run verification in a test harness environment 8480 if (ActivityManager.isRunningInTestHarness()) { 8481 return false; 8482 } 8483 if (ensureVerifyAppsEnabled) { 8484 return true; 8485 } 8486 // Check if the developer does not want package verification for ADB installs 8487 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8488 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8489 return false; 8490 } 8491 } 8492 8493 if (ensureVerifyAppsEnabled) { 8494 return true; 8495 } 8496 8497 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8498 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8499 } 8500 8501 /** 8502 * Get the "allow unknown sources" setting. 8503 * 8504 * @return the current "allow unknown sources" setting 8505 */ 8506 private int getUnknownSourcesSettings() { 8507 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8508 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8509 -1); 8510 } 8511 8512 @Override 8513 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8514 final int uid = Binder.getCallingUid(); 8515 // writer 8516 synchronized (mPackages) { 8517 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8518 if (targetPackageSetting == null) { 8519 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8520 } 8521 8522 PackageSetting installerPackageSetting; 8523 if (installerPackageName != null) { 8524 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8525 if (installerPackageSetting == null) { 8526 throw new IllegalArgumentException("Unknown installer package: " 8527 + installerPackageName); 8528 } 8529 } else { 8530 installerPackageSetting = null; 8531 } 8532 8533 Signature[] callerSignature; 8534 Object obj = mSettings.getUserIdLPr(uid); 8535 if (obj != null) { 8536 if (obj instanceof SharedUserSetting) { 8537 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8538 } else if (obj instanceof PackageSetting) { 8539 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8540 } else { 8541 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8542 } 8543 } else { 8544 throw new SecurityException("Unknown calling uid " + uid); 8545 } 8546 8547 // Verify: can't set installerPackageName to a package that is 8548 // not signed with the same cert as the caller. 8549 if (installerPackageSetting != null) { 8550 if (compareSignatures(callerSignature, 8551 installerPackageSetting.signatures.mSignatures) 8552 != PackageManager.SIGNATURE_MATCH) { 8553 throw new SecurityException( 8554 "Caller does not have same cert as new installer package " 8555 + installerPackageName); 8556 } 8557 } 8558 8559 // Verify: if target already has an installer package, it must 8560 // be signed with the same cert as the caller. 8561 if (targetPackageSetting.installerPackageName != null) { 8562 PackageSetting setting = mSettings.mPackages.get( 8563 targetPackageSetting.installerPackageName); 8564 // If the currently set package isn't valid, then it's always 8565 // okay to change it. 8566 if (setting != null) { 8567 if (compareSignatures(callerSignature, 8568 setting.signatures.mSignatures) 8569 != PackageManager.SIGNATURE_MATCH) { 8570 throw new SecurityException( 8571 "Caller does not have same cert as old installer package " 8572 + targetPackageSetting.installerPackageName); 8573 } 8574 } 8575 } 8576 8577 // Okay! 8578 targetPackageSetting.installerPackageName = installerPackageName; 8579 scheduleWriteSettingsLocked(); 8580 } 8581 } 8582 8583 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8584 // Queue up an async operation since the package installation may take a little while. 8585 mHandler.post(new Runnable() { 8586 public void run() { 8587 mHandler.removeCallbacks(this); 8588 // Result object to be returned 8589 PackageInstalledInfo res = new PackageInstalledInfo(); 8590 res.returnCode = currentStatus; 8591 res.uid = -1; 8592 res.pkg = null; 8593 res.removedInfo = new PackageRemovedInfo(); 8594 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8595 args.doPreInstall(res.returnCode); 8596 synchronized (mInstallLock) { 8597 installPackageLI(args, res); 8598 } 8599 args.doPostInstall(res.returnCode, res.uid); 8600 } 8601 8602 // A restore should be performed at this point if (a) the install 8603 // succeeded, (b) the operation is not an update, and (c) the new 8604 // package has not opted out of backup participation. 8605 final boolean update = res.removedInfo.removedPackage != null; 8606 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8607 boolean doRestore = !update 8608 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8609 8610 // Set up the post-install work request bookkeeping. This will be used 8611 // and cleaned up by the post-install event handling regardless of whether 8612 // there's a restore pass performed. Token values are >= 1. 8613 int token; 8614 if (mNextInstallToken < 0) mNextInstallToken = 1; 8615 token = mNextInstallToken++; 8616 8617 PostInstallData data = new PostInstallData(args, res); 8618 mRunningInstalls.put(token, data); 8619 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8620 8621 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8622 // Pass responsibility to the Backup Manager. It will perform a 8623 // restore if appropriate, then pass responsibility back to the 8624 // Package Manager to run the post-install observer callbacks 8625 // and broadcasts. 8626 IBackupManager bm = IBackupManager.Stub.asInterface( 8627 ServiceManager.getService(Context.BACKUP_SERVICE)); 8628 if (bm != null) { 8629 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8630 + " to BM for possible restore"); 8631 try { 8632 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8633 } catch (RemoteException e) { 8634 // can't happen; the backup manager is local 8635 } catch (Exception e) { 8636 Slog.e(TAG, "Exception trying to enqueue restore", e); 8637 doRestore = false; 8638 } 8639 } else { 8640 Slog.e(TAG, "Backup Manager not found!"); 8641 doRestore = false; 8642 } 8643 } 8644 8645 if (!doRestore) { 8646 // No restore possible, or the Backup Manager was mysteriously not 8647 // available -- just fire the post-install work request directly. 8648 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8649 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8650 mHandler.sendMessage(msg); 8651 } 8652 } 8653 }); 8654 } 8655 8656 private abstract class HandlerParams { 8657 private static final int MAX_RETRIES = 4; 8658 8659 /** 8660 * Number of times startCopy() has been attempted and had a non-fatal 8661 * error. 8662 */ 8663 private int mRetries = 0; 8664 8665 /** User handle for the user requesting the information or installation. */ 8666 private final UserHandle mUser; 8667 8668 HandlerParams(UserHandle user) { 8669 mUser = user; 8670 } 8671 8672 UserHandle getUser() { 8673 return mUser; 8674 } 8675 8676 final boolean startCopy() { 8677 boolean res; 8678 try { 8679 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8680 8681 if (++mRetries > MAX_RETRIES) { 8682 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8683 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8684 handleServiceError(); 8685 return false; 8686 } else { 8687 handleStartCopy(); 8688 res = true; 8689 } 8690 } catch (RemoteException e) { 8691 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8692 mHandler.sendEmptyMessage(MCS_RECONNECT); 8693 res = false; 8694 } 8695 handleReturnCode(); 8696 return res; 8697 } 8698 8699 final void serviceError() { 8700 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8701 handleServiceError(); 8702 handleReturnCode(); 8703 } 8704 8705 abstract void handleStartCopy() throws RemoteException; 8706 abstract void handleServiceError(); 8707 abstract void handleReturnCode(); 8708 } 8709 8710 class MeasureParams extends HandlerParams { 8711 private final PackageStats mStats; 8712 private boolean mSuccess; 8713 8714 private final IPackageStatsObserver mObserver; 8715 8716 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8717 super(new UserHandle(stats.userHandle)); 8718 mObserver = observer; 8719 mStats = stats; 8720 } 8721 8722 @Override 8723 public String toString() { 8724 return "MeasureParams{" 8725 + Integer.toHexString(System.identityHashCode(this)) 8726 + " " + mStats.packageName + "}"; 8727 } 8728 8729 @Override 8730 void handleStartCopy() throws RemoteException { 8731 synchronized (mInstallLock) { 8732 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8733 } 8734 8735 if (mSuccess) { 8736 final boolean mounted; 8737 if (Environment.isExternalStorageEmulated()) { 8738 mounted = true; 8739 } else { 8740 final String status = Environment.getExternalStorageState(); 8741 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8742 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8743 } 8744 8745 if (mounted) { 8746 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8747 8748 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8749 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8750 8751 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8752 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8753 8754 // Always subtract cache size, since it's a subdirectory 8755 mStats.externalDataSize -= mStats.externalCacheSize; 8756 8757 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8758 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8759 8760 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8761 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8762 } 8763 } 8764 } 8765 8766 @Override 8767 void handleReturnCode() { 8768 if (mObserver != null) { 8769 try { 8770 mObserver.onGetStatsCompleted(mStats, mSuccess); 8771 } catch (RemoteException e) { 8772 Slog.i(TAG, "Observer no longer exists."); 8773 } 8774 } 8775 } 8776 8777 @Override 8778 void handleServiceError() { 8779 Slog.e(TAG, "Could not measure application " + mStats.packageName 8780 + " external storage"); 8781 } 8782 } 8783 8784 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8785 throws RemoteException { 8786 long result = 0; 8787 for (File path : paths) { 8788 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8789 } 8790 return result; 8791 } 8792 8793 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8794 for (File path : paths) { 8795 try { 8796 mcs.clearDirectory(path.getAbsolutePath()); 8797 } catch (RemoteException e) { 8798 } 8799 } 8800 } 8801 8802 static class OriginInfo { 8803 /** 8804 * Location where install is coming from, before it has been 8805 * copied/renamed into place. This could be a single monolithic APK 8806 * file, or a cluster directory. This location may be untrusted. 8807 */ 8808 final File file; 8809 final String cid; 8810 8811 /** 8812 * Flag indicating that {@link #file} or {@link #cid} has already been 8813 * staged, meaning downstream users don't need to defensively copy the 8814 * contents. 8815 */ 8816 final boolean staged; 8817 8818 /** 8819 * Flag indicating that {@link #file} or {@link #cid} is an already 8820 * installed app that is being moved. 8821 */ 8822 final boolean existing; 8823 8824 final String resolvedPath; 8825 final File resolvedFile; 8826 8827 static OriginInfo fromNothing() { 8828 return new OriginInfo(null, null, false, false); 8829 } 8830 8831 static OriginInfo fromUntrustedFile(File file) { 8832 return new OriginInfo(file, null, false, false); 8833 } 8834 8835 static OriginInfo fromExistingFile(File file) { 8836 return new OriginInfo(file, null, false, true); 8837 } 8838 8839 static OriginInfo fromStagedFile(File file) { 8840 return new OriginInfo(file, null, true, false); 8841 } 8842 8843 static OriginInfo fromStagedContainer(String cid) { 8844 return new OriginInfo(null, cid, true, false); 8845 } 8846 8847 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8848 this.file = file; 8849 this.cid = cid; 8850 this.staged = staged; 8851 this.existing = existing; 8852 8853 if (cid != null) { 8854 resolvedPath = PackageHelper.getSdDir(cid); 8855 resolvedFile = new File(resolvedPath); 8856 } else if (file != null) { 8857 resolvedPath = file.getAbsolutePath(); 8858 resolvedFile = file; 8859 } else { 8860 resolvedPath = null; 8861 resolvedFile = null; 8862 } 8863 } 8864 } 8865 8866 class InstallParams extends HandlerParams { 8867 final OriginInfo origin; 8868 final IPackageInstallObserver2 observer; 8869 int installFlags; 8870 final String installerPackageName; 8871 final VerificationParams verificationParams; 8872 private InstallArgs mArgs; 8873 private int mRet; 8874 final String packageAbiOverride; 8875 8876 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8877 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8878 String packageAbiOverride) { 8879 super(user); 8880 this.origin = origin; 8881 this.observer = observer; 8882 this.installFlags = installFlags; 8883 this.installerPackageName = installerPackageName; 8884 this.verificationParams = verificationParams; 8885 this.packageAbiOverride = packageAbiOverride; 8886 } 8887 8888 @Override 8889 public String toString() { 8890 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8891 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8892 } 8893 8894 public ManifestDigest getManifestDigest() { 8895 if (verificationParams == null) { 8896 return null; 8897 } 8898 return verificationParams.getManifestDigest(); 8899 } 8900 8901 private int installLocationPolicy(PackageInfoLite pkgLite) { 8902 String packageName = pkgLite.packageName; 8903 int installLocation = pkgLite.installLocation; 8904 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8905 // reader 8906 synchronized (mPackages) { 8907 PackageParser.Package pkg = mPackages.get(packageName); 8908 if (pkg != null) { 8909 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8910 // Check for downgrading. 8911 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8912 try { 8913 checkDowngrade(pkg, pkgLite); 8914 } catch (PackageManagerException e) { 8915 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 8916 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8917 } 8918 } 8919 // Check for updated system application. 8920 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8921 if (onSd) { 8922 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8923 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8924 } 8925 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8926 } else { 8927 if (onSd) { 8928 // Install flag overrides everything. 8929 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8930 } 8931 // If current upgrade specifies particular preference 8932 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8933 // Application explicitly specified internal. 8934 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8935 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8936 // App explictly prefers external. Let policy decide 8937 } else { 8938 // Prefer previous location 8939 if (isExternal(pkg)) { 8940 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8941 } 8942 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8943 } 8944 } 8945 } else { 8946 // Invalid install. Return error code 8947 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8948 } 8949 } 8950 } 8951 // All the special cases have been taken care of. 8952 // Return result based on recommended install location. 8953 if (onSd) { 8954 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8955 } 8956 return pkgLite.recommendedInstallLocation; 8957 } 8958 8959 /* 8960 * Invoke remote method to get package information and install 8961 * location values. Override install location based on default 8962 * policy if needed and then create install arguments based 8963 * on the install location. 8964 */ 8965 public void handleStartCopy() throws RemoteException { 8966 int ret = PackageManager.INSTALL_SUCCEEDED; 8967 8968 // If we're already staged, we've firmly committed to an install location 8969 if (origin.staged) { 8970 if (origin.file != null) { 8971 installFlags |= PackageManager.INSTALL_INTERNAL; 8972 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8973 } else if (origin.cid != null) { 8974 installFlags |= PackageManager.INSTALL_EXTERNAL; 8975 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8976 } else { 8977 throw new IllegalStateException("Invalid stage location"); 8978 } 8979 } 8980 8981 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8982 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8983 8984 PackageInfoLite pkgLite = null; 8985 8986 if (onInt && onSd) { 8987 // Check if both bits are set. 8988 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8989 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8990 } else { 8991 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8992 packageAbiOverride); 8993 8994 /* 8995 * If we have too little free space, try to free cache 8996 * before giving up. 8997 */ 8998 if (!origin.staged && pkgLite.recommendedInstallLocation 8999 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9000 // TODO: focus freeing disk space on the target device 9001 final StorageManager storage = StorageManager.from(mContext); 9002 final long lowThreshold = storage.getStorageLowBytes( 9003 Environment.getDataDirectory()); 9004 9005 final long sizeBytes = mContainerService.calculateInstalledSize( 9006 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 9007 9008 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 9009 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 9010 installFlags, packageAbiOverride); 9011 } 9012 9013 /* 9014 * The cache free must have deleted the file we 9015 * downloaded to install. 9016 * 9017 * TODO: fix the "freeCache" call to not delete 9018 * the file we care about. 9019 */ 9020 if (pkgLite.recommendedInstallLocation 9021 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9022 pkgLite.recommendedInstallLocation 9023 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 9024 } 9025 } 9026 } 9027 9028 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9029 int loc = pkgLite.recommendedInstallLocation; 9030 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 9031 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9032 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 9033 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9034 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 9035 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9036 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 9037 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 9038 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 9039 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 9040 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 9041 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 9042 } else { 9043 // Override with defaults if needed. 9044 loc = installLocationPolicy(pkgLite); 9045 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 9046 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 9047 } else if (!onSd && !onInt) { 9048 // Override install location with flags 9049 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 9050 // Set the flag to install on external media. 9051 installFlags |= PackageManager.INSTALL_EXTERNAL; 9052 installFlags &= ~PackageManager.INSTALL_INTERNAL; 9053 } else { 9054 // Make sure the flag for installing on external 9055 // media is unset 9056 installFlags |= PackageManager.INSTALL_INTERNAL; 9057 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 9058 } 9059 } 9060 } 9061 } 9062 9063 final InstallArgs args = createInstallArgs(this); 9064 mArgs = args; 9065 9066 if (ret == PackageManager.INSTALL_SUCCEEDED) { 9067 /* 9068 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 9069 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 9070 */ 9071 int userIdentifier = getUser().getIdentifier(); 9072 if (userIdentifier == UserHandle.USER_ALL 9073 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 9074 userIdentifier = UserHandle.USER_OWNER; 9075 } 9076 9077 /* 9078 * Determine if we have any installed package verifiers. If we 9079 * do, then we'll defer to them to verify the packages. 9080 */ 9081 final int requiredUid = mRequiredVerifierPackage == null ? -1 9082 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 9083 if (!origin.existing && requiredUid != -1 9084 && isVerificationEnabled(userIdentifier, installFlags)) { 9085 final Intent verification = new Intent( 9086 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 9087 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 9088 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 9089 PACKAGE_MIME_TYPE); 9090 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9091 9092 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 9093 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 9094 0 /* TODO: Which userId? */); 9095 9096 if (DEBUG_VERIFY) { 9097 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 9098 + verification.toString() + " with " + pkgLite.verifiers.length 9099 + " optional verifiers"); 9100 } 9101 9102 final int verificationId = mPendingVerificationToken++; 9103 9104 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9105 9106 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 9107 installerPackageName); 9108 9109 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 9110 installFlags); 9111 9112 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 9113 pkgLite.packageName); 9114 9115 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 9116 pkgLite.versionCode); 9117 9118 if (verificationParams != null) { 9119 if (verificationParams.getVerificationURI() != null) { 9120 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 9121 verificationParams.getVerificationURI()); 9122 } 9123 if (verificationParams.getOriginatingURI() != null) { 9124 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 9125 verificationParams.getOriginatingURI()); 9126 } 9127 if (verificationParams.getReferrer() != null) { 9128 verification.putExtra(Intent.EXTRA_REFERRER, 9129 verificationParams.getReferrer()); 9130 } 9131 if (verificationParams.getOriginatingUid() >= 0) { 9132 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 9133 verificationParams.getOriginatingUid()); 9134 } 9135 if (verificationParams.getInstallerUid() >= 0) { 9136 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 9137 verificationParams.getInstallerUid()); 9138 } 9139 } 9140 9141 final PackageVerificationState verificationState = new PackageVerificationState( 9142 requiredUid, args); 9143 9144 mPendingVerification.append(verificationId, verificationState); 9145 9146 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 9147 receivers, verificationState); 9148 9149 /* 9150 * If any sufficient verifiers were listed in the package 9151 * manifest, attempt to ask them. 9152 */ 9153 if (sufficientVerifiers != null) { 9154 final int N = sufficientVerifiers.size(); 9155 if (N == 0) { 9156 Slog.i(TAG, "Additional verifiers required, but none installed."); 9157 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9158 } else { 9159 for (int i = 0; i < N; i++) { 9160 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9161 9162 final Intent sufficientIntent = new Intent(verification); 9163 sufficientIntent.setComponent(verifierComponent); 9164 9165 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9166 } 9167 } 9168 } 9169 9170 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9171 mRequiredVerifierPackage, receivers); 9172 if (ret == PackageManager.INSTALL_SUCCEEDED 9173 && mRequiredVerifierPackage != null) { 9174 /* 9175 * Send the intent to the required verification agent, 9176 * but only start the verification timeout after the 9177 * target BroadcastReceivers have run. 9178 */ 9179 verification.setComponent(requiredVerifierComponent); 9180 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9181 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9182 new BroadcastReceiver() { 9183 @Override 9184 public void onReceive(Context context, Intent intent) { 9185 final Message msg = mHandler 9186 .obtainMessage(CHECK_PENDING_VERIFICATION); 9187 msg.arg1 = verificationId; 9188 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9189 } 9190 }, null, 0, null, null); 9191 9192 /* 9193 * We don't want the copy to proceed until verification 9194 * succeeds, so null out this field. 9195 */ 9196 mArgs = null; 9197 } 9198 } else { 9199 /* 9200 * No package verification is enabled, so immediately start 9201 * the remote call to initiate copy using temporary file. 9202 */ 9203 ret = args.copyApk(mContainerService, true); 9204 } 9205 } 9206 9207 mRet = ret; 9208 } 9209 9210 @Override 9211 void handleReturnCode() { 9212 // If mArgs is null, then MCS couldn't be reached. When it 9213 // reconnects, it will try again to install. At that point, this 9214 // will succeed. 9215 if (mArgs != null) { 9216 processPendingInstall(mArgs, mRet); 9217 } 9218 } 9219 9220 @Override 9221 void handleServiceError() { 9222 mArgs = createInstallArgs(this); 9223 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9224 } 9225 9226 public boolean isForwardLocked() { 9227 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9228 } 9229 } 9230 9231 /** 9232 * Used during creation of InstallArgs 9233 * 9234 * @param installFlags package installation flags 9235 * @return true if should be installed on external storage 9236 */ 9237 private static boolean installOnSd(int installFlags) { 9238 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9239 return false; 9240 } 9241 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9242 return true; 9243 } 9244 return false; 9245 } 9246 9247 /** 9248 * Used during creation of InstallArgs 9249 * 9250 * @param installFlags package installation flags 9251 * @return true if should be installed as forward locked 9252 */ 9253 private static boolean installForwardLocked(int installFlags) { 9254 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9255 } 9256 9257 private InstallArgs createInstallArgs(InstallParams params) { 9258 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9259 return new AsecInstallArgs(params); 9260 } else { 9261 return new FileInstallArgs(params); 9262 } 9263 } 9264 9265 /** 9266 * Create args that describe an existing installed package. Typically used 9267 * when cleaning up old installs, or used as a move source. 9268 */ 9269 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9270 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9271 final boolean isInAsec; 9272 if (installOnSd(installFlags)) { 9273 /* Apps on SD card are always in ASEC containers. */ 9274 isInAsec = true; 9275 } else if (installForwardLocked(installFlags) 9276 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9277 /* 9278 * Forward-locked apps are only in ASEC containers if they're the 9279 * new style 9280 */ 9281 isInAsec = true; 9282 } else { 9283 isInAsec = false; 9284 } 9285 9286 if (isInAsec) { 9287 return new AsecInstallArgs(codePath, instructionSets, 9288 installOnSd(installFlags), installForwardLocked(installFlags)); 9289 } else { 9290 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9291 instructionSets); 9292 } 9293 } 9294 9295 static abstract class InstallArgs { 9296 /** @see InstallParams#origin */ 9297 final OriginInfo origin; 9298 9299 final IPackageInstallObserver2 observer; 9300 // Always refers to PackageManager flags only 9301 final int installFlags; 9302 final String installerPackageName; 9303 final ManifestDigest manifestDigest; 9304 final UserHandle user; 9305 final String abiOverride; 9306 9307 // The list of instruction sets supported by this app. This is currently 9308 // only used during the rmdex() phase to clean up resources. We can get rid of this 9309 // if we move dex files under the common app path. 9310 /* nullable */ String[] instructionSets; 9311 9312 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9313 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9314 String[] instructionSets, String abiOverride) { 9315 this.origin = origin; 9316 this.installFlags = installFlags; 9317 this.observer = observer; 9318 this.installerPackageName = installerPackageName; 9319 this.manifestDigest = manifestDigest; 9320 this.user = user; 9321 this.instructionSets = instructionSets; 9322 this.abiOverride = abiOverride; 9323 } 9324 9325 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9326 abstract int doPreInstall(int status); 9327 9328 /** 9329 * Rename package into final resting place. All paths on the given 9330 * scanned package should be updated to reflect the rename. 9331 */ 9332 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9333 abstract int doPostInstall(int status, int uid); 9334 9335 /** @see PackageSettingBase#codePathString */ 9336 abstract String getCodePath(); 9337 /** @see PackageSettingBase#resourcePathString */ 9338 abstract String getResourcePath(); 9339 abstract String getLegacyNativeLibraryPath(); 9340 9341 // Need installer lock especially for dex file removal. 9342 abstract void cleanUpResourcesLI(); 9343 abstract boolean doPostDeleteLI(boolean delete); 9344 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9345 9346 /** 9347 * Called before the source arguments are copied. This is used mostly 9348 * for MoveParams when it needs to read the source file to put it in the 9349 * destination. 9350 */ 9351 int doPreCopy() { 9352 return PackageManager.INSTALL_SUCCEEDED; 9353 } 9354 9355 /** 9356 * Called after the source arguments are copied. This is used mostly for 9357 * MoveParams when it needs to read the source file to put it in the 9358 * destination. 9359 * 9360 * @return 9361 */ 9362 int doPostCopy(int uid) { 9363 return PackageManager.INSTALL_SUCCEEDED; 9364 } 9365 9366 protected boolean isFwdLocked() { 9367 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9368 } 9369 9370 protected boolean isExternal() { 9371 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9372 } 9373 9374 UserHandle getUser() { 9375 return user; 9376 } 9377 } 9378 9379 /** 9380 * Logic to handle installation of non-ASEC applications, including copying 9381 * and renaming logic. 9382 */ 9383 class FileInstallArgs extends InstallArgs { 9384 private File codeFile; 9385 private File resourceFile; 9386 private File legacyNativeLibraryPath; 9387 9388 // Example topology: 9389 // /data/app/com.example/base.apk 9390 // /data/app/com.example/split_foo.apk 9391 // /data/app/com.example/lib/arm/libfoo.so 9392 // /data/app/com.example/lib/arm64/libfoo.so 9393 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9394 9395 /** New install */ 9396 FileInstallArgs(InstallParams params) { 9397 super(params.origin, params.observer, params.installFlags, 9398 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9399 null /* instruction sets */, params.packageAbiOverride); 9400 if (isFwdLocked()) { 9401 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9402 } 9403 } 9404 9405 /** Existing install */ 9406 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9407 String[] instructionSets) { 9408 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9409 this.codeFile = (codePath != null) ? new File(codePath) : null; 9410 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9411 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9412 new File(legacyNativeLibraryPath) : null; 9413 } 9414 9415 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9416 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9417 isFwdLocked(), abiOverride); 9418 9419 final StorageManager storage = StorageManager.from(mContext); 9420 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9421 } 9422 9423 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9424 if (origin.staged) { 9425 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9426 codeFile = origin.file; 9427 resourceFile = origin.file; 9428 return PackageManager.INSTALL_SUCCEEDED; 9429 } 9430 9431 try { 9432 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9433 codeFile = tempDir; 9434 resourceFile = tempDir; 9435 } catch (IOException e) { 9436 Slog.w(TAG, "Failed to create copy file: " + e); 9437 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9438 } 9439 9440 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9441 @Override 9442 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9443 if (!FileUtils.isValidExtFilename(name)) { 9444 throw new IllegalArgumentException("Invalid filename: " + name); 9445 } 9446 try { 9447 final File file = new File(codeFile, name); 9448 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9449 O_RDWR | O_CREAT, 0644); 9450 Os.chmod(file.getAbsolutePath(), 0644); 9451 return new ParcelFileDescriptor(fd); 9452 } catch (ErrnoException e) { 9453 throw new RemoteException("Failed to open: " + e.getMessage()); 9454 } 9455 } 9456 }; 9457 9458 int ret = PackageManager.INSTALL_SUCCEEDED; 9459 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9460 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9461 Slog.e(TAG, "Failed to copy package"); 9462 return ret; 9463 } 9464 9465 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9466 NativeLibraryHelper.Handle handle = null; 9467 try { 9468 handle = NativeLibraryHelper.Handle.create(codeFile); 9469 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9470 abiOverride); 9471 } catch (IOException e) { 9472 Slog.e(TAG, "Copying native libraries failed", e); 9473 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9474 } finally { 9475 IoUtils.closeQuietly(handle); 9476 } 9477 9478 return ret; 9479 } 9480 9481 int doPreInstall(int status) { 9482 if (status != PackageManager.INSTALL_SUCCEEDED) { 9483 cleanUp(); 9484 } 9485 return status; 9486 } 9487 9488 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9489 if (status != PackageManager.INSTALL_SUCCEEDED) { 9490 cleanUp(); 9491 return false; 9492 } else { 9493 final File beforeCodeFile = codeFile; 9494 final File afterCodeFile = getNextCodePath(pkg.packageName); 9495 9496 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9497 try { 9498 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9499 } catch (ErrnoException e) { 9500 Slog.d(TAG, "Failed to rename", e); 9501 return false; 9502 } 9503 9504 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9505 Slog.d(TAG, "Failed to restorecon"); 9506 return false; 9507 } 9508 9509 // Reflect the rename internally 9510 codeFile = afterCodeFile; 9511 resourceFile = afterCodeFile; 9512 9513 // Reflect the rename in scanned details 9514 pkg.codePath = afterCodeFile.getAbsolutePath(); 9515 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9516 pkg.baseCodePath); 9517 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9518 pkg.splitCodePaths); 9519 9520 // Reflect the rename in app info 9521 pkg.applicationInfo.setCodePath(pkg.codePath); 9522 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9523 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9524 pkg.applicationInfo.setResourcePath(pkg.codePath); 9525 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9526 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9527 9528 return true; 9529 } 9530 } 9531 9532 int doPostInstall(int status, int uid) { 9533 if (status != PackageManager.INSTALL_SUCCEEDED) { 9534 cleanUp(); 9535 } 9536 return status; 9537 } 9538 9539 @Override 9540 String getCodePath() { 9541 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9542 } 9543 9544 @Override 9545 String getResourcePath() { 9546 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9547 } 9548 9549 @Override 9550 String getLegacyNativeLibraryPath() { 9551 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9552 } 9553 9554 private boolean cleanUp() { 9555 if (codeFile == null || !codeFile.exists()) { 9556 return false; 9557 } 9558 9559 if (codeFile.isDirectory()) { 9560 FileUtils.deleteContents(codeFile); 9561 } 9562 codeFile.delete(); 9563 9564 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9565 resourceFile.delete(); 9566 } 9567 9568 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9569 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9570 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9571 } 9572 legacyNativeLibraryPath.delete(); 9573 } 9574 9575 return true; 9576 } 9577 9578 void cleanUpResourcesLI() { 9579 // Try enumerating all code paths before deleting 9580 List<String> allCodePaths = Collections.EMPTY_LIST; 9581 if (codeFile != null && codeFile.exists()) { 9582 try { 9583 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9584 allCodePaths = pkg.getAllCodePaths(); 9585 } catch (PackageParserException e) { 9586 // Ignored; we tried our best 9587 } 9588 } 9589 9590 cleanUp(); 9591 9592 if (!allCodePaths.isEmpty()) { 9593 if (instructionSets == null) { 9594 throw new IllegalStateException("instructionSet == null"); 9595 } 9596 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9597 for (String codePath : allCodePaths) { 9598 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9599 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9600 if (retCode < 0) { 9601 Slog.w(TAG, "Couldn't remove dex file for package: " 9602 + " at location " + codePath + ", retcode=" + retCode); 9603 // we don't consider this to be a failure of the core package deletion 9604 } 9605 } 9606 } 9607 } 9608 } 9609 9610 boolean doPostDeleteLI(boolean delete) { 9611 // XXX err, shouldn't we respect the delete flag? 9612 cleanUpResourcesLI(); 9613 return true; 9614 } 9615 } 9616 9617 private boolean isAsecExternal(String cid) { 9618 final String asecPath = PackageHelper.getSdFilesystem(cid); 9619 return !asecPath.startsWith(mAsecInternalPath); 9620 } 9621 9622 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9623 PackageManagerException { 9624 if (copyRet < 0) { 9625 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9626 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9627 throw new PackageManagerException(copyRet, message); 9628 } 9629 } 9630 } 9631 9632 /** 9633 * Extract the MountService "container ID" from the full code path of an 9634 * .apk. 9635 */ 9636 static String cidFromCodePath(String fullCodePath) { 9637 int eidx = fullCodePath.lastIndexOf("/"); 9638 String subStr1 = fullCodePath.substring(0, eidx); 9639 int sidx = subStr1.lastIndexOf("/"); 9640 return subStr1.substring(sidx+1, eidx); 9641 } 9642 9643 /** 9644 * Logic to handle installation of ASEC applications, including copying and 9645 * renaming logic. 9646 */ 9647 class AsecInstallArgs extends InstallArgs { 9648 static final String RES_FILE_NAME = "pkg.apk"; 9649 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9650 9651 String cid; 9652 String packagePath; 9653 String resourcePath; 9654 String legacyNativeLibraryDir; 9655 9656 /** New install */ 9657 AsecInstallArgs(InstallParams params) { 9658 super(params.origin, params.observer, params.installFlags, 9659 params.installerPackageName, params.getManifestDigest(), 9660 params.getUser(), null /* instruction sets */, 9661 params.packageAbiOverride); 9662 } 9663 9664 /** Existing install */ 9665 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9666 boolean isExternal, boolean isForwardLocked) { 9667 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9668 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9669 instructionSets, null); 9670 // Hackily pretend we're still looking at a full code path 9671 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9672 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9673 } 9674 9675 // Extract cid from fullCodePath 9676 int eidx = fullCodePath.lastIndexOf("/"); 9677 String subStr1 = fullCodePath.substring(0, eidx); 9678 int sidx = subStr1.lastIndexOf("/"); 9679 cid = subStr1.substring(sidx+1, eidx); 9680 setMountPath(subStr1); 9681 } 9682 9683 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9684 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9685 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9686 instructionSets, null); 9687 this.cid = cid; 9688 setMountPath(PackageHelper.getSdDir(cid)); 9689 } 9690 9691 void createCopyFile() { 9692 cid = mInstallerService.allocateExternalStageCidLegacy(); 9693 } 9694 9695 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9696 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9697 abiOverride); 9698 9699 final File target; 9700 if (isExternal()) { 9701 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9702 } else { 9703 target = Environment.getDataDirectory(); 9704 } 9705 9706 final StorageManager storage = StorageManager.from(mContext); 9707 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9708 } 9709 9710 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9711 if (origin.staged) { 9712 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9713 cid = origin.cid; 9714 setMountPath(PackageHelper.getSdDir(cid)); 9715 return PackageManager.INSTALL_SUCCEEDED; 9716 } 9717 9718 if (temp) { 9719 createCopyFile(); 9720 } else { 9721 /* 9722 * Pre-emptively destroy the container since it's destroyed if 9723 * copying fails due to it existing anyway. 9724 */ 9725 PackageHelper.destroySdDir(cid); 9726 } 9727 9728 final String newMountPath = imcs.copyPackageToContainer( 9729 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9730 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9731 9732 if (newMountPath != null) { 9733 setMountPath(newMountPath); 9734 return PackageManager.INSTALL_SUCCEEDED; 9735 } else { 9736 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9737 } 9738 } 9739 9740 @Override 9741 String getCodePath() { 9742 return packagePath; 9743 } 9744 9745 @Override 9746 String getResourcePath() { 9747 return resourcePath; 9748 } 9749 9750 @Override 9751 String getLegacyNativeLibraryPath() { 9752 return legacyNativeLibraryDir; 9753 } 9754 9755 int doPreInstall(int status) { 9756 if (status != PackageManager.INSTALL_SUCCEEDED) { 9757 // Destroy container 9758 PackageHelper.destroySdDir(cid); 9759 } else { 9760 boolean mounted = PackageHelper.isContainerMounted(cid); 9761 if (!mounted) { 9762 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9763 Process.SYSTEM_UID); 9764 if (newMountPath != null) { 9765 setMountPath(newMountPath); 9766 } else { 9767 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9768 } 9769 } 9770 } 9771 return status; 9772 } 9773 9774 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9775 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9776 String newMountPath = null; 9777 if (PackageHelper.isContainerMounted(cid)) { 9778 // Unmount the container 9779 if (!PackageHelper.unMountSdDir(cid)) { 9780 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9781 return false; 9782 } 9783 } 9784 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9785 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9786 " which might be stale. Will try to clean up."); 9787 // Clean up the stale container and proceed to recreate. 9788 if (!PackageHelper.destroySdDir(newCacheId)) { 9789 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9790 return false; 9791 } 9792 // Successfully cleaned up stale container. Try to rename again. 9793 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9794 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9795 + " inspite of cleaning it up."); 9796 return false; 9797 } 9798 } 9799 if (!PackageHelper.isContainerMounted(newCacheId)) { 9800 Slog.w(TAG, "Mounting container " + newCacheId); 9801 newMountPath = PackageHelper.mountSdDir(newCacheId, 9802 getEncryptKey(), Process.SYSTEM_UID); 9803 } else { 9804 newMountPath = PackageHelper.getSdDir(newCacheId); 9805 } 9806 if (newMountPath == null) { 9807 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9808 return false; 9809 } 9810 Log.i(TAG, "Succesfully renamed " + cid + 9811 " to " + newCacheId + 9812 " at new path: " + newMountPath); 9813 cid = newCacheId; 9814 9815 final File beforeCodeFile = new File(packagePath); 9816 setMountPath(newMountPath); 9817 final File afterCodeFile = new File(packagePath); 9818 9819 // Reflect the rename in scanned details 9820 pkg.codePath = afterCodeFile.getAbsolutePath(); 9821 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9822 pkg.baseCodePath); 9823 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9824 pkg.splitCodePaths); 9825 9826 // Reflect the rename in app info 9827 pkg.applicationInfo.setCodePath(pkg.codePath); 9828 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9829 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9830 pkg.applicationInfo.setResourcePath(pkg.codePath); 9831 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9832 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9833 9834 return true; 9835 } 9836 9837 private void setMountPath(String mountPath) { 9838 final File mountFile = new File(mountPath); 9839 9840 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9841 if (monolithicFile.exists()) { 9842 packagePath = monolithicFile.getAbsolutePath(); 9843 if (isFwdLocked()) { 9844 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9845 } else { 9846 resourcePath = packagePath; 9847 } 9848 } else { 9849 packagePath = mountFile.getAbsolutePath(); 9850 resourcePath = packagePath; 9851 } 9852 9853 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9854 } 9855 9856 int doPostInstall(int status, int uid) { 9857 if (status != PackageManager.INSTALL_SUCCEEDED) { 9858 cleanUp(); 9859 } else { 9860 final int groupOwner; 9861 final String protectedFile; 9862 if (isFwdLocked()) { 9863 groupOwner = UserHandle.getSharedAppGid(uid); 9864 protectedFile = RES_FILE_NAME; 9865 } else { 9866 groupOwner = -1; 9867 protectedFile = null; 9868 } 9869 9870 if (uid < Process.FIRST_APPLICATION_UID 9871 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9872 Slog.e(TAG, "Failed to finalize " + cid); 9873 PackageHelper.destroySdDir(cid); 9874 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9875 } 9876 9877 boolean mounted = PackageHelper.isContainerMounted(cid); 9878 if (!mounted) { 9879 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9880 } 9881 } 9882 return status; 9883 } 9884 9885 private void cleanUp() { 9886 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9887 9888 // Destroy secure container 9889 PackageHelper.destroySdDir(cid); 9890 } 9891 9892 private List<String> getAllCodePaths() { 9893 final File codeFile = new File(getCodePath()); 9894 if (codeFile != null && codeFile.exists()) { 9895 try { 9896 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9897 return pkg.getAllCodePaths(); 9898 } catch (PackageParserException e) { 9899 // Ignored; we tried our best 9900 } 9901 } 9902 return Collections.EMPTY_LIST; 9903 } 9904 9905 void cleanUpResourcesLI() { 9906 // Enumerate all code paths before deleting 9907 cleanUpResourcesLI(getAllCodePaths()); 9908 } 9909 9910 private void cleanUpResourcesLI(List<String> allCodePaths) { 9911 cleanUp(); 9912 9913 if (!allCodePaths.isEmpty()) { 9914 if (instructionSets == null) { 9915 throw new IllegalStateException("instructionSet == null"); 9916 } 9917 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9918 for (String codePath : allCodePaths) { 9919 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9920 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9921 if (retCode < 0) { 9922 Slog.w(TAG, "Couldn't remove dex file for package: " 9923 + " at location " + codePath + ", retcode=" + retCode); 9924 // we don't consider this to be a failure of the core package deletion 9925 } 9926 } 9927 } 9928 } 9929 } 9930 9931 boolean matchContainer(String app) { 9932 if (cid.startsWith(app)) { 9933 return true; 9934 } 9935 return false; 9936 } 9937 9938 String getPackageName() { 9939 return getAsecPackageName(cid); 9940 } 9941 9942 boolean doPostDeleteLI(boolean delete) { 9943 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9944 final List<String> allCodePaths = getAllCodePaths(); 9945 boolean mounted = PackageHelper.isContainerMounted(cid); 9946 if (mounted) { 9947 // Unmount first 9948 if (PackageHelper.unMountSdDir(cid)) { 9949 mounted = false; 9950 } 9951 } 9952 if (!mounted && delete) { 9953 cleanUpResourcesLI(allCodePaths); 9954 } 9955 return !mounted; 9956 } 9957 9958 @Override 9959 int doPreCopy() { 9960 if (isFwdLocked()) { 9961 if (!PackageHelper.fixSdPermissions(cid, 9962 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9963 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9964 } 9965 } 9966 9967 return PackageManager.INSTALL_SUCCEEDED; 9968 } 9969 9970 @Override 9971 int doPostCopy(int uid) { 9972 if (isFwdLocked()) { 9973 if (uid < Process.FIRST_APPLICATION_UID 9974 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9975 RES_FILE_NAME)) { 9976 Slog.e(TAG, "Failed to finalize " + cid); 9977 PackageHelper.destroySdDir(cid); 9978 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9979 } 9980 } 9981 9982 return PackageManager.INSTALL_SUCCEEDED; 9983 } 9984 } 9985 9986 static String getAsecPackageName(String packageCid) { 9987 int idx = packageCid.lastIndexOf("-"); 9988 if (idx == -1) { 9989 return packageCid; 9990 } 9991 return packageCid.substring(0, idx); 9992 } 9993 9994 // Utility method used to create code paths based on package name and available index. 9995 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9996 String idxStr = ""; 9997 int idx = 1; 9998 // Fall back to default value of idx=1 if prefix is not 9999 // part of oldCodePath 10000 if (oldCodePath != null) { 10001 String subStr = oldCodePath; 10002 // Drop the suffix right away 10003 if (suffix != null && subStr.endsWith(suffix)) { 10004 subStr = subStr.substring(0, subStr.length() - suffix.length()); 10005 } 10006 // If oldCodePath already contains prefix find out the 10007 // ending index to either increment or decrement. 10008 int sidx = subStr.lastIndexOf(prefix); 10009 if (sidx != -1) { 10010 subStr = subStr.substring(sidx + prefix.length()); 10011 if (subStr != null) { 10012 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 10013 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 10014 } 10015 try { 10016 idx = Integer.parseInt(subStr); 10017 if (idx <= 1) { 10018 idx++; 10019 } else { 10020 idx--; 10021 } 10022 } catch(NumberFormatException e) { 10023 } 10024 } 10025 } 10026 } 10027 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 10028 return prefix + idxStr; 10029 } 10030 10031 private File getNextCodePath(String packageName) { 10032 int suffix = 1; 10033 File result; 10034 do { 10035 result = new File(mAppInstallDir, packageName + "-" + suffix); 10036 suffix++; 10037 } while (result.exists()); 10038 return result; 10039 } 10040 10041 // Utility method used to ignore ADD/REMOVE events 10042 // by directory observer. 10043 private static boolean ignoreCodePath(String fullPathStr) { 10044 String apkName = deriveCodePathName(fullPathStr); 10045 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 10046 if (idx != -1 && ((idx+1) < apkName.length())) { 10047 // Make sure the package ends with a numeral 10048 String version = apkName.substring(idx+1); 10049 try { 10050 Integer.parseInt(version); 10051 return true; 10052 } catch (NumberFormatException e) {} 10053 } 10054 return false; 10055 } 10056 10057 // Utility method that returns the relative package path with respect 10058 // to the installation directory. Like say for /data/data/com.test-1.apk 10059 // string com.test-1 is returned. 10060 static String deriveCodePathName(String codePath) { 10061 if (codePath == null) { 10062 return null; 10063 } 10064 final File codeFile = new File(codePath); 10065 final String name = codeFile.getName(); 10066 if (codeFile.isDirectory()) { 10067 return name; 10068 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 10069 final int lastDot = name.lastIndexOf('.'); 10070 return name.substring(0, lastDot); 10071 } else { 10072 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 10073 return null; 10074 } 10075 } 10076 10077 class PackageInstalledInfo { 10078 String name; 10079 int uid; 10080 // The set of users that originally had this package installed. 10081 int[] origUsers; 10082 // The set of users that now have this package installed. 10083 int[] newUsers; 10084 PackageParser.Package pkg; 10085 int returnCode; 10086 String returnMsg; 10087 PackageRemovedInfo removedInfo; 10088 10089 public void setError(int code, String msg) { 10090 returnCode = code; 10091 returnMsg = msg; 10092 Slog.w(TAG, msg); 10093 } 10094 10095 public void setError(String msg, PackageParserException e) { 10096 returnCode = e.error; 10097 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10098 Slog.w(TAG, msg, e); 10099 } 10100 10101 public void setError(String msg, PackageManagerException e) { 10102 returnCode = e.error; 10103 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 10104 Slog.w(TAG, msg, e); 10105 } 10106 10107 // In some error cases we want to convey more info back to the observer 10108 String origPackage; 10109 String origPermission; 10110 } 10111 10112 /* 10113 * Install a non-existing package. 10114 */ 10115 private void installNewPackageLI(PackageParser.Package pkg, 10116 int parseFlags, int scanFlags, UserHandle user, 10117 String installerPackageName, PackageInstalledInfo res) { 10118 // Remember this for later, in case we need to rollback this install 10119 String pkgName = pkg.packageName; 10120 10121 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 10122 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 10123 synchronized(mPackages) { 10124 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 10125 // A package with the same name is already installed, though 10126 // it has been renamed to an older name. The package we 10127 // are trying to install should be installed as an update to 10128 // the existing one, but that has not been requested, so bail. 10129 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10130 + " without first uninstalling package running as " 10131 + mSettings.mRenamedPackages.get(pkgName)); 10132 return; 10133 } 10134 if (mPackages.containsKey(pkgName)) { 10135 // Don't allow installation over an existing package with the same name. 10136 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 10137 + " without first uninstalling."); 10138 return; 10139 } 10140 } 10141 10142 try { 10143 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 10144 System.currentTimeMillis(), user); 10145 10146 updateSettingsLI(newPackage, installerPackageName, null, null, res); 10147 // delete the partially installed application. the data directory will have to be 10148 // restored if it was already existing 10149 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10150 // remove package from internal structures. Note that we want deletePackageX to 10151 // delete the package data and cache directories that it created in 10152 // scanPackageLocked, unless those directories existed before we even tried to 10153 // install. 10154 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10155 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10156 res.removedInfo, true); 10157 } 10158 10159 } catch (PackageManagerException e) { 10160 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10161 } 10162 } 10163 10164 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10165 // Upgrade keysets are being used. Determine if new package has a superset of the 10166 // required keys. 10167 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10168 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10169 for (int i = 0; i < upgradeKeySets.length; i++) { 10170 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10171 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10172 return true; 10173 } 10174 } 10175 return false; 10176 } 10177 10178 private void replacePackageLI(PackageParser.Package pkg, 10179 int parseFlags, int scanFlags, UserHandle user, 10180 String installerPackageName, PackageInstalledInfo res) { 10181 PackageParser.Package oldPackage; 10182 String pkgName = pkg.packageName; 10183 int[] allUsers; 10184 boolean[] perUserInstalled; 10185 10186 // First find the old package info and check signatures 10187 synchronized(mPackages) { 10188 oldPackage = mPackages.get(pkgName); 10189 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10190 PackageSetting ps = mSettings.mPackages.get(pkgName); 10191 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10192 // default to original signature matching 10193 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10194 != PackageManager.SIGNATURE_MATCH) { 10195 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10196 "New package has a different signature: " + pkgName); 10197 return; 10198 } 10199 } else { 10200 if(!checkUpgradeKeySetLP(ps, pkg)) { 10201 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10202 "New package not signed by keys specified by upgrade-keysets: " 10203 + pkgName); 10204 return; 10205 } 10206 } 10207 10208 // In case of rollback, remember per-user/profile install state 10209 allUsers = sUserManager.getUserIds(); 10210 perUserInstalled = new boolean[allUsers.length]; 10211 for (int i = 0; i < allUsers.length; i++) { 10212 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10213 } 10214 } 10215 10216 boolean sysPkg = (isSystemApp(oldPackage)); 10217 if (sysPkg) { 10218 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10219 user, allUsers, perUserInstalled, installerPackageName, res); 10220 } else { 10221 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10222 user, allUsers, perUserInstalled, installerPackageName, res); 10223 } 10224 } 10225 10226 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10227 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10228 int[] allUsers, boolean[] perUserInstalled, 10229 String installerPackageName, PackageInstalledInfo res) { 10230 String pkgName = deletedPackage.packageName; 10231 boolean deletedPkg = true; 10232 boolean updatedSettings = false; 10233 10234 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10235 + deletedPackage); 10236 long origUpdateTime; 10237 if (pkg.mExtras != null) { 10238 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10239 } else { 10240 origUpdateTime = 0; 10241 } 10242 10243 // First delete the existing package while retaining the data directory 10244 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10245 res.removedInfo, true)) { 10246 // If the existing package wasn't successfully deleted 10247 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10248 deletedPkg = false; 10249 } else { 10250 // Successfully deleted the old package; proceed with replace. 10251 10252 // If deleted package lived in a container, give users a chance to 10253 // relinquish resources before killing. 10254 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10255 if (DEBUG_INSTALL) { 10256 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10257 } 10258 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10259 final ArrayList<String> pkgList = new ArrayList<String>(1); 10260 pkgList.add(deletedPackage.applicationInfo.packageName); 10261 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10262 } 10263 10264 deleteCodeCacheDirsLI(pkgName); 10265 try { 10266 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10267 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10268 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10269 updatedSettings = true; 10270 } catch (PackageManagerException e) { 10271 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10272 } 10273 } 10274 10275 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10276 // remove package from internal structures. Note that we want deletePackageX to 10277 // delete the package data and cache directories that it created in 10278 // scanPackageLocked, unless those directories existed before we even tried to 10279 // install. 10280 if(updatedSettings) { 10281 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10282 deletePackageLI( 10283 pkgName, null, true, allUsers, perUserInstalled, 10284 PackageManager.DELETE_KEEP_DATA, 10285 res.removedInfo, true); 10286 } 10287 // Since we failed to install the new package we need to restore the old 10288 // package that we deleted. 10289 if (deletedPkg) { 10290 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10291 File restoreFile = new File(deletedPackage.codePath); 10292 // Parse old package 10293 boolean oldOnSd = isExternal(deletedPackage); 10294 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10295 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10296 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10297 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10298 try { 10299 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10300 } catch (PackageManagerException e) { 10301 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10302 + e.getMessage()); 10303 return; 10304 } 10305 // Restore of old package succeeded. Update permissions. 10306 // writer 10307 synchronized (mPackages) { 10308 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10309 UPDATE_PERMISSIONS_ALL); 10310 // can downgrade to reader 10311 mSettings.writeLPr(); 10312 } 10313 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10314 } 10315 } 10316 } 10317 10318 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10319 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10320 int[] allUsers, boolean[] perUserInstalled, 10321 String installerPackageName, PackageInstalledInfo res) { 10322 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10323 + ", old=" + deletedPackage); 10324 boolean disabledSystem = false; 10325 boolean updatedSettings = false; 10326 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10327 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10328 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10329 } 10330 String packageName = deletedPackage.packageName; 10331 if (packageName == null) { 10332 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10333 "Attempt to delete null packageName."); 10334 return; 10335 } 10336 PackageParser.Package oldPkg; 10337 PackageSetting oldPkgSetting; 10338 // reader 10339 synchronized (mPackages) { 10340 oldPkg = mPackages.get(packageName); 10341 oldPkgSetting = mSettings.mPackages.get(packageName); 10342 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10343 (oldPkgSetting == null)) { 10344 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10345 "Couldn't find package:" + packageName + " information"); 10346 return; 10347 } 10348 } 10349 10350 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10351 10352 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10353 res.removedInfo.removedPackage = packageName; 10354 // Remove existing system package 10355 removePackageLI(oldPkgSetting, true); 10356 // writer 10357 synchronized (mPackages) { 10358 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10359 if (!disabledSystem && deletedPackage != null) { 10360 // We didn't need to disable the .apk as a current system package, 10361 // which means we are replacing another update that is already 10362 // installed. We need to make sure to delete the older one's .apk. 10363 res.removedInfo.args = createInstallArgsForExisting(0, 10364 deletedPackage.applicationInfo.getCodePath(), 10365 deletedPackage.applicationInfo.getResourcePath(), 10366 deletedPackage.applicationInfo.nativeLibraryRootDir, 10367 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10368 } else { 10369 res.removedInfo.args = null; 10370 } 10371 } 10372 10373 // Successfully disabled the old package. Now proceed with re-installation 10374 deleteCodeCacheDirsLI(packageName); 10375 10376 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10377 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10378 10379 PackageParser.Package newPackage = null; 10380 try { 10381 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10382 if (newPackage.mExtras != null) { 10383 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10384 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10385 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10386 10387 // is the update attempting to change shared user? that isn't going to work... 10388 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10389 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10390 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10391 + " to " + newPkgSetting.sharedUser); 10392 updatedSettings = true; 10393 } 10394 } 10395 10396 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10397 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10398 updatedSettings = true; 10399 } 10400 10401 } catch (PackageManagerException e) { 10402 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10403 } 10404 10405 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10406 // Re installation failed. Restore old information 10407 // Remove new pkg information 10408 if (newPackage != null) { 10409 removeInstalledPackageLI(newPackage, true); 10410 } 10411 // Add back the old system package 10412 try { 10413 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10414 } catch (PackageManagerException e) { 10415 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10416 } 10417 // Restore the old system information in Settings 10418 synchronized (mPackages) { 10419 if (disabledSystem) { 10420 mSettings.enableSystemPackageLPw(packageName); 10421 } 10422 if (updatedSettings) { 10423 mSettings.setInstallerPackageName(packageName, 10424 oldPkgSetting.installerPackageName); 10425 } 10426 mSettings.writeLPr(); 10427 } 10428 } 10429 } 10430 10431 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10432 int[] allUsers, boolean[] perUserInstalled, 10433 PackageInstalledInfo res) { 10434 String pkgName = newPackage.packageName; 10435 synchronized (mPackages) { 10436 //write settings. the installStatus will be incomplete at this stage. 10437 //note that the new package setting would have already been 10438 //added to mPackages. It hasn't been persisted yet. 10439 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10440 mSettings.writeLPr(); 10441 } 10442 10443 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10444 10445 synchronized (mPackages) { 10446 updatePermissionsLPw(newPackage.packageName, newPackage, 10447 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10448 ? UPDATE_PERMISSIONS_ALL : 0)); 10449 // For system-bundled packages, we assume that installing an upgraded version 10450 // of the package implies that the user actually wants to run that new code, 10451 // so we enable the package. 10452 if (isSystemApp(newPackage)) { 10453 // NB: implicit assumption that system package upgrades apply to all users 10454 if (DEBUG_INSTALL) { 10455 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10456 } 10457 PackageSetting ps = mSettings.mPackages.get(pkgName); 10458 if (ps != null) { 10459 if (res.origUsers != null) { 10460 for (int userHandle : res.origUsers) { 10461 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10462 userHandle, installerPackageName); 10463 } 10464 } 10465 // Also convey the prior install/uninstall state 10466 if (allUsers != null && perUserInstalled != null) { 10467 for (int i = 0; i < allUsers.length; i++) { 10468 if (DEBUG_INSTALL) { 10469 Slog.d(TAG, " user " + allUsers[i] 10470 + " => " + perUserInstalled[i]); 10471 } 10472 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10473 } 10474 // these install state changes will be persisted in the 10475 // upcoming call to mSettings.writeLPr(). 10476 } 10477 } 10478 } 10479 res.name = pkgName; 10480 res.uid = newPackage.applicationInfo.uid; 10481 res.pkg = newPackage; 10482 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10483 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10484 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10485 //to update install status 10486 mSettings.writeLPr(); 10487 } 10488 } 10489 10490 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10491 final int installFlags = args.installFlags; 10492 String installerPackageName = args.installerPackageName; 10493 File tmpPackageFile = new File(args.getCodePath()); 10494 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10495 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10496 boolean replace = false; 10497 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10498 // Result object to be returned 10499 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10500 10501 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10502 // Retrieve PackageSettings and parse package 10503 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10504 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10505 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10506 PackageParser pp = new PackageParser(); 10507 pp.setSeparateProcesses(mSeparateProcesses); 10508 pp.setDisplayMetrics(mMetrics); 10509 10510 final PackageParser.Package pkg; 10511 try { 10512 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10513 } catch (PackageParserException e) { 10514 res.setError("Failed parse during installPackageLI", e); 10515 return; 10516 } 10517 10518 // Mark that we have an install time CPU ABI override. 10519 pkg.cpuAbiOverride = args.abiOverride; 10520 10521 String pkgName = res.name = pkg.packageName; 10522 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10523 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10524 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10525 return; 10526 } 10527 } 10528 10529 try { 10530 pp.collectCertificates(pkg, parseFlags); 10531 pp.collectManifestDigest(pkg); 10532 } catch (PackageParserException e) { 10533 res.setError("Failed collect during installPackageLI", e); 10534 return; 10535 } 10536 10537 /* If the installer passed in a manifest digest, compare it now. */ 10538 if (args.manifestDigest != null) { 10539 if (DEBUG_INSTALL) { 10540 final String parsedManifest = pkg.manifestDigest == null ? "null" 10541 : pkg.manifestDigest.toString(); 10542 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10543 + parsedManifest); 10544 } 10545 10546 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10547 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10548 return; 10549 } 10550 } else if (DEBUG_INSTALL) { 10551 final String parsedManifest = pkg.manifestDigest == null 10552 ? "null" : pkg.manifestDigest.toString(); 10553 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10554 } 10555 10556 // Get rid of all references to package scan path via parser. 10557 pp = null; 10558 String oldCodePath = null; 10559 boolean systemApp = false; 10560 synchronized (mPackages) { 10561 // Check if installing already existing package 10562 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10563 String oldName = mSettings.mRenamedPackages.get(pkgName); 10564 if (pkg.mOriginalPackages != null 10565 && pkg.mOriginalPackages.contains(oldName) 10566 && mPackages.containsKey(oldName)) { 10567 // This package is derived from an original package, 10568 // and this device has been updating from that original 10569 // name. We must continue using the original name, so 10570 // rename the new package here. 10571 pkg.setPackageName(oldName); 10572 pkgName = pkg.packageName; 10573 replace = true; 10574 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10575 + oldName + " pkgName=" + pkgName); 10576 } else if (mPackages.containsKey(pkgName)) { 10577 // This package, under its official name, already exists 10578 // on the device; we should replace it. 10579 replace = true; 10580 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10581 } 10582 } 10583 10584 PackageSetting ps = mSettings.mPackages.get(pkgName); 10585 if (ps != null) { 10586 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10587 10588 // Quick sanity check that we're signed correctly if updating; 10589 // we'll check this again later when scanning, but we want to 10590 // bail early here before tripping over redefined permissions. 10591 if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10592 try { 10593 verifySignaturesLP(ps, pkg); 10594 } catch (PackageManagerException e) { 10595 res.setError(e.error, e.getMessage()); 10596 return; 10597 } 10598 } else { 10599 if (!checkUpgradeKeySetLP(ps, pkg)) { 10600 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 10601 + pkg.packageName + " upgrade keys do not match the " 10602 + "previously installed version"); 10603 return; 10604 } 10605 } 10606 10607 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10608 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10609 systemApp = (ps.pkg.applicationInfo.flags & 10610 ApplicationInfo.FLAG_SYSTEM) != 0; 10611 } 10612 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10613 } 10614 10615 // Check whether the newly-scanned package wants to define an already-defined perm 10616 int N = pkg.permissions.size(); 10617 for (int i = N-1; i >= 0; i--) { 10618 PackageParser.Permission perm = pkg.permissions.get(i); 10619 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10620 if (bp != null) { 10621 // If the defining package is signed with our cert, it's okay. This 10622 // also includes the "updating the same package" case, of course. 10623 // "updating same package" could also involve key-rotation. 10624 final boolean sigsOk; 10625 if (!bp.sourcePackage.equals(pkg.packageName) 10626 || !(bp.packageSetting instanceof PackageSetting) 10627 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10628 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10629 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10630 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10631 } else { 10632 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10633 } 10634 if (!sigsOk) { 10635 // If the owning package is the system itself, we log but allow 10636 // install to proceed; we fail the install on all other permission 10637 // redefinitions. 10638 if (!bp.sourcePackage.equals("android")) { 10639 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10640 + pkg.packageName + " attempting to redeclare permission " 10641 + perm.info.name + " already owned by " + bp.sourcePackage); 10642 res.origPermission = perm.info.name; 10643 res.origPackage = bp.sourcePackage; 10644 return; 10645 } else { 10646 Slog.w(TAG, "Package " + pkg.packageName 10647 + " attempting to redeclare system permission " 10648 + perm.info.name + "; ignoring new declaration"); 10649 pkg.permissions.remove(i); 10650 } 10651 } 10652 } 10653 } 10654 10655 } 10656 10657 if (systemApp && onSd) { 10658 // Disable updates to system apps on sdcard 10659 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10660 "Cannot install updates to system apps on sdcard"); 10661 return; 10662 } 10663 10664 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10665 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10666 return; 10667 } 10668 10669 if (replace) { 10670 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10671 installerPackageName, res); 10672 } else { 10673 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10674 args.user, installerPackageName, res); 10675 } 10676 synchronized (mPackages) { 10677 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10678 if (ps != null) { 10679 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10680 } 10681 } 10682 } 10683 10684 private static boolean isForwardLocked(PackageParser.Package pkg) { 10685 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10686 } 10687 10688 private static boolean isForwardLocked(ApplicationInfo info) { 10689 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10690 } 10691 10692 private boolean isForwardLocked(PackageSetting ps) { 10693 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10694 } 10695 10696 private static boolean isMultiArch(PackageSetting ps) { 10697 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10698 } 10699 10700 private static boolean isMultiArch(ApplicationInfo info) { 10701 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10702 } 10703 10704 private static boolean isExternal(PackageParser.Package pkg) { 10705 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10706 } 10707 10708 private static boolean isExternal(PackageSetting ps) { 10709 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10710 } 10711 10712 private static boolean isExternal(ApplicationInfo info) { 10713 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10714 } 10715 10716 private static boolean isSystemApp(PackageParser.Package pkg) { 10717 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10718 } 10719 10720 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10721 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10722 } 10723 10724 private static boolean isSystemApp(ApplicationInfo info) { 10725 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10726 } 10727 10728 private static boolean isSystemApp(PackageSetting ps) { 10729 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10730 } 10731 10732 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10733 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10734 } 10735 10736 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10737 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10738 } 10739 10740 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10741 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10742 } 10743 10744 private int packageFlagsToInstallFlags(PackageSetting ps) { 10745 int installFlags = 0; 10746 if (isExternal(ps)) { 10747 installFlags |= PackageManager.INSTALL_EXTERNAL; 10748 } 10749 if (isForwardLocked(ps)) { 10750 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10751 } 10752 return installFlags; 10753 } 10754 10755 private void deleteTempPackageFiles() { 10756 final FilenameFilter filter = new FilenameFilter() { 10757 public boolean accept(File dir, String name) { 10758 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10759 } 10760 }; 10761 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10762 file.delete(); 10763 } 10764 } 10765 10766 @Override 10767 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10768 int flags) { 10769 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10770 flags); 10771 } 10772 10773 @Override 10774 public void deletePackage(final String packageName, 10775 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10776 mContext.enforceCallingOrSelfPermission( 10777 android.Manifest.permission.DELETE_PACKAGES, null); 10778 final int uid = Binder.getCallingUid(); 10779 if (UserHandle.getUserId(uid) != userId) { 10780 mContext.enforceCallingPermission( 10781 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10782 "deletePackage for user " + userId); 10783 } 10784 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10785 try { 10786 observer.onPackageDeleted(packageName, 10787 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10788 } catch (RemoteException re) { 10789 } 10790 return; 10791 } 10792 10793 boolean uninstallBlocked = false; 10794 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10795 int[] users = sUserManager.getUserIds(); 10796 for (int i = 0; i < users.length; ++i) { 10797 if (getBlockUninstallForUser(packageName, users[i])) { 10798 uninstallBlocked = true; 10799 break; 10800 } 10801 } 10802 } else { 10803 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10804 } 10805 if (uninstallBlocked) { 10806 try { 10807 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10808 null); 10809 } catch (RemoteException re) { 10810 } 10811 return; 10812 } 10813 10814 if (DEBUG_REMOVE) { 10815 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10816 } 10817 // Queue up an async operation since the package deletion may take a little while. 10818 mHandler.post(new Runnable() { 10819 public void run() { 10820 mHandler.removeCallbacks(this); 10821 final int returnCode = deletePackageX(packageName, userId, flags); 10822 if (observer != null) { 10823 try { 10824 observer.onPackageDeleted(packageName, returnCode, null); 10825 } catch (RemoteException e) { 10826 Log.i(TAG, "Observer no longer exists."); 10827 } //end catch 10828 } //end if 10829 } //end run 10830 }); 10831 } 10832 10833 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10834 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10835 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10836 try { 10837 if (dpm != null) { 10838 if (dpm.isDeviceOwner(packageName)) { 10839 return true; 10840 } 10841 int[] users; 10842 if (userId == UserHandle.USER_ALL) { 10843 users = sUserManager.getUserIds(); 10844 } else { 10845 users = new int[]{userId}; 10846 } 10847 for (int i = 0; i < users.length; ++i) { 10848 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10849 return true; 10850 } 10851 } 10852 } 10853 } catch (RemoteException e) { 10854 } 10855 return false; 10856 } 10857 10858 /** 10859 * This method is an internal method that could be get invoked either 10860 * to delete an installed package or to clean up a failed installation. 10861 * After deleting an installed package, a broadcast is sent to notify any 10862 * listeners that the package has been installed. For cleaning up a failed 10863 * installation, the broadcast is not necessary since the package's 10864 * installation wouldn't have sent the initial broadcast either 10865 * The key steps in deleting a package are 10866 * deleting the package information in internal structures like mPackages, 10867 * deleting the packages base directories through installd 10868 * updating mSettings to reflect current status 10869 * persisting settings for later use 10870 * sending a broadcast if necessary 10871 */ 10872 private int deletePackageX(String packageName, int userId, int flags) { 10873 final PackageRemovedInfo info = new PackageRemovedInfo(); 10874 final boolean res; 10875 10876 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10877 ? UserHandle.ALL : new UserHandle(userId); 10878 10879 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10880 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10881 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10882 } 10883 10884 boolean removedForAllUsers = false; 10885 boolean systemUpdate = false; 10886 10887 // for the uninstall-updates case and restricted profiles, remember the per- 10888 // userhandle installed state 10889 int[] allUsers; 10890 boolean[] perUserInstalled; 10891 synchronized (mPackages) { 10892 PackageSetting ps = mSettings.mPackages.get(packageName); 10893 allUsers = sUserManager.getUserIds(); 10894 perUserInstalled = new boolean[allUsers.length]; 10895 for (int i = 0; i < allUsers.length; i++) { 10896 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10897 } 10898 } 10899 10900 synchronized (mInstallLock) { 10901 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10902 res = deletePackageLI(packageName, removeForUser, 10903 true, allUsers, perUserInstalled, 10904 flags | REMOVE_CHATTY, info, true); 10905 systemUpdate = info.isRemovedPackageSystemUpdate; 10906 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10907 removedForAllUsers = true; 10908 } 10909 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10910 + " removedForAllUsers=" + removedForAllUsers); 10911 } 10912 10913 if (res) { 10914 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10915 10916 // If the removed package was a system update, the old system package 10917 // was re-enabled; we need to broadcast this information 10918 if (systemUpdate) { 10919 Bundle extras = new Bundle(1); 10920 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10921 ? info.removedAppId : info.uid); 10922 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10923 10924 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10925 extras, null, null, null); 10926 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10927 extras, null, null, null); 10928 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10929 null, packageName, null, null); 10930 } 10931 } 10932 // Force a gc here. 10933 Runtime.getRuntime().gc(); 10934 // Delete the resources here after sending the broadcast to let 10935 // other processes clean up before deleting resources. 10936 if (info.args != null) { 10937 synchronized (mInstallLock) { 10938 info.args.doPostDeleteLI(true); 10939 } 10940 } 10941 10942 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10943 } 10944 10945 static class PackageRemovedInfo { 10946 String removedPackage; 10947 int uid = -1; 10948 int removedAppId = -1; 10949 int[] removedUsers = null; 10950 boolean isRemovedPackageSystemUpdate = false; 10951 // Clean up resources deleted packages. 10952 InstallArgs args = null; 10953 10954 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10955 Bundle extras = new Bundle(1); 10956 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10957 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10958 if (replacing) { 10959 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10960 } 10961 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10962 if (removedPackage != null) { 10963 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10964 extras, null, null, removedUsers); 10965 if (fullRemove && !replacing) { 10966 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10967 extras, null, null, removedUsers); 10968 } 10969 } 10970 if (removedAppId >= 0) { 10971 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10972 removedUsers); 10973 } 10974 } 10975 } 10976 10977 /* 10978 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10979 * flag is not set, the data directory is removed as well. 10980 * make sure this flag is set for partially installed apps. If not its meaningless to 10981 * delete a partially installed application. 10982 */ 10983 private void removePackageDataLI(PackageSetting ps, 10984 int[] allUserHandles, boolean[] perUserInstalled, 10985 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10986 String packageName = ps.name; 10987 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10988 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10989 // Retrieve object to delete permissions for shared user later on 10990 final PackageSetting deletedPs; 10991 // reader 10992 synchronized (mPackages) { 10993 deletedPs = mSettings.mPackages.get(packageName); 10994 if (outInfo != null) { 10995 outInfo.removedPackage = packageName; 10996 outInfo.removedUsers = deletedPs != null 10997 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10998 : null; 10999 } 11000 } 11001 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11002 removeDataDirsLI(packageName); 11003 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 11004 } 11005 // writer 11006 synchronized (mPackages) { 11007 if (deletedPs != null) { 11008 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 11009 if (outInfo != null) { 11010 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 11011 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 11012 } 11013 if (deletedPs != null) { 11014 updatePermissionsLPw(deletedPs.name, null, 0); 11015 if (deletedPs.sharedUser != null) { 11016 // remove permissions associated with package 11017 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 11018 } 11019 } 11020 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 11021 } 11022 // make sure to preserve per-user disabled state if this removal was just 11023 // a downgrade of a system app to the factory package 11024 if (allUserHandles != null && perUserInstalled != null) { 11025 if (DEBUG_REMOVE) { 11026 Slog.d(TAG, "Propagating install state across downgrade"); 11027 } 11028 for (int i = 0; i < allUserHandles.length; i++) { 11029 if (DEBUG_REMOVE) { 11030 Slog.d(TAG, " user " + allUserHandles[i] 11031 + " => " + perUserInstalled[i]); 11032 } 11033 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11034 } 11035 } 11036 } 11037 // can downgrade to reader 11038 if (writeSettings) { 11039 // Save settings now 11040 mSettings.writeLPr(); 11041 } 11042 } 11043 if (outInfo != null) { 11044 // A user ID was deleted here. Go through all users and remove it 11045 // from KeyStore. 11046 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 11047 } 11048 } 11049 11050 static boolean locationIsPrivileged(File path) { 11051 try { 11052 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 11053 .getCanonicalPath(); 11054 return path.getCanonicalPath().startsWith(privilegedAppDir); 11055 } catch (IOException e) { 11056 Slog.e(TAG, "Unable to access code path " + path); 11057 } 11058 return false; 11059 } 11060 11061 /* 11062 * Tries to delete system package. 11063 */ 11064 private boolean deleteSystemPackageLI(PackageSetting newPs, 11065 int[] allUserHandles, boolean[] perUserInstalled, 11066 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 11067 final boolean applyUserRestrictions 11068 = (allUserHandles != null) && (perUserInstalled != null); 11069 PackageSetting disabledPs = null; 11070 // Confirm if the system package has been updated 11071 // An updated system app can be deleted. This will also have to restore 11072 // the system pkg from system partition 11073 // reader 11074 synchronized (mPackages) { 11075 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 11076 } 11077 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 11078 + " disabledPs=" + disabledPs); 11079 if (disabledPs == null) { 11080 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 11081 return false; 11082 } else if (DEBUG_REMOVE) { 11083 Slog.d(TAG, "Deleting system pkg from data partition"); 11084 } 11085 if (DEBUG_REMOVE) { 11086 if (applyUserRestrictions) { 11087 Slog.d(TAG, "Remembering install states:"); 11088 for (int i = 0; i < allUserHandles.length; i++) { 11089 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 11090 } 11091 } 11092 } 11093 // Delete the updated package 11094 outInfo.isRemovedPackageSystemUpdate = true; 11095 if (disabledPs.versionCode < newPs.versionCode) { 11096 // Delete data for downgrades 11097 flags &= ~PackageManager.DELETE_KEEP_DATA; 11098 } else { 11099 // Preserve data by setting flag 11100 flags |= PackageManager.DELETE_KEEP_DATA; 11101 } 11102 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 11103 allUserHandles, perUserInstalled, outInfo, writeSettings); 11104 if (!ret) { 11105 return false; 11106 } 11107 // writer 11108 synchronized (mPackages) { 11109 // Reinstate the old system package 11110 mSettings.enableSystemPackageLPw(newPs.name); 11111 // Remove any native libraries from the upgraded package. 11112 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 11113 } 11114 // Install the system package 11115 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 11116 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 11117 if (locationIsPrivileged(disabledPs.codePath)) { 11118 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11119 } 11120 11121 final PackageParser.Package newPkg; 11122 try { 11123 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 11124 } catch (PackageManagerException e) { 11125 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 11126 return false; 11127 } 11128 11129 // writer 11130 synchronized (mPackages) { 11131 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 11132 updatePermissionsLPw(newPkg.packageName, newPkg, 11133 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 11134 if (applyUserRestrictions) { 11135 if (DEBUG_REMOVE) { 11136 Slog.d(TAG, "Propagating install state across reinstall"); 11137 } 11138 for (int i = 0; i < allUserHandles.length; i++) { 11139 if (DEBUG_REMOVE) { 11140 Slog.d(TAG, " user " + allUserHandles[i] 11141 + " => " + perUserInstalled[i]); 11142 } 11143 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 11144 } 11145 // Regardless of writeSettings we need to ensure that this restriction 11146 // state propagation is persisted 11147 mSettings.writeAllUsersPackageRestrictionsLPr(); 11148 } 11149 // can downgrade to reader here 11150 if (writeSettings) { 11151 mSettings.writeLPr(); 11152 } 11153 } 11154 return true; 11155 } 11156 11157 private boolean deleteInstalledPackageLI(PackageSetting ps, 11158 boolean deleteCodeAndResources, int flags, 11159 int[] allUserHandles, boolean[] perUserInstalled, 11160 PackageRemovedInfo outInfo, boolean writeSettings) { 11161 if (outInfo != null) { 11162 outInfo.uid = ps.appId; 11163 } 11164 11165 // Delete package data from internal structures and also remove data if flag is set 11166 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 11167 11168 // Delete application code and resources 11169 if (deleteCodeAndResources && (outInfo != null)) { 11170 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 11171 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11172 getAppDexInstructionSets(ps)); 11173 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11174 } 11175 return true; 11176 } 11177 11178 @Override 11179 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11180 int userId) { 11181 mContext.enforceCallingOrSelfPermission( 11182 android.Manifest.permission.DELETE_PACKAGES, null); 11183 synchronized (mPackages) { 11184 PackageSetting ps = mSettings.mPackages.get(packageName); 11185 if (ps == null) { 11186 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11187 return false; 11188 } 11189 if (!ps.getInstalled(userId)) { 11190 // Can't block uninstall for an app that is not installed or enabled. 11191 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11192 return false; 11193 } 11194 ps.setBlockUninstall(blockUninstall, userId); 11195 mSettings.writePackageRestrictionsLPr(userId); 11196 } 11197 return true; 11198 } 11199 11200 @Override 11201 public boolean getBlockUninstallForUser(String packageName, int userId) { 11202 synchronized (mPackages) { 11203 PackageSetting ps = mSettings.mPackages.get(packageName); 11204 if (ps == null) { 11205 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11206 return false; 11207 } 11208 return ps.getBlockUninstall(userId); 11209 } 11210 } 11211 11212 /* 11213 * This method handles package deletion in general 11214 */ 11215 private boolean deletePackageLI(String packageName, UserHandle user, 11216 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11217 int flags, PackageRemovedInfo outInfo, 11218 boolean writeSettings) { 11219 if (packageName == null) { 11220 Slog.w(TAG, "Attempt to delete null packageName."); 11221 return false; 11222 } 11223 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11224 PackageSetting ps; 11225 boolean dataOnly = false; 11226 int removeUser = -1; 11227 int appId = -1; 11228 synchronized (mPackages) { 11229 ps = mSettings.mPackages.get(packageName); 11230 if (ps == null) { 11231 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11232 return false; 11233 } 11234 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11235 && user.getIdentifier() != UserHandle.USER_ALL) { 11236 // The caller is asking that the package only be deleted for a single 11237 // user. To do this, we just mark its uninstalled state and delete 11238 // its data. If this is a system app, we only allow this to happen if 11239 // they have set the special DELETE_SYSTEM_APP which requests different 11240 // semantics than normal for uninstalling system apps. 11241 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11242 ps.setUserState(user.getIdentifier(), 11243 COMPONENT_ENABLED_STATE_DEFAULT, 11244 false, //installed 11245 true, //stopped 11246 true, //notLaunched 11247 false, //hidden 11248 null, null, null, 11249 false // blockUninstall 11250 ); 11251 if (!isSystemApp(ps)) { 11252 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11253 // Other user still have this package installed, so all 11254 // we need to do is clear this user's data and save that 11255 // it is uninstalled. 11256 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11257 removeUser = user.getIdentifier(); 11258 appId = ps.appId; 11259 mSettings.writePackageRestrictionsLPr(removeUser); 11260 } else { 11261 // We need to set it back to 'installed' so the uninstall 11262 // broadcasts will be sent correctly. 11263 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11264 ps.setInstalled(true, user.getIdentifier()); 11265 } 11266 } else { 11267 // This is a system app, so we assume that the 11268 // other users still have this package installed, so all 11269 // we need to do is clear this user's data and save that 11270 // it is uninstalled. 11271 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11272 removeUser = user.getIdentifier(); 11273 appId = ps.appId; 11274 mSettings.writePackageRestrictionsLPr(removeUser); 11275 } 11276 } 11277 } 11278 11279 if (removeUser >= 0) { 11280 // From above, we determined that we are deleting this only 11281 // for a single user. Continue the work here. 11282 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11283 if (outInfo != null) { 11284 outInfo.removedPackage = packageName; 11285 outInfo.removedAppId = appId; 11286 outInfo.removedUsers = new int[] {removeUser}; 11287 } 11288 mInstaller.clearUserData(packageName, removeUser); 11289 removeKeystoreDataIfNeeded(removeUser, appId); 11290 schedulePackageCleaning(packageName, removeUser, false); 11291 return true; 11292 } 11293 11294 if (dataOnly) { 11295 // Delete application data first 11296 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11297 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11298 return true; 11299 } 11300 11301 boolean ret = false; 11302 if (isSystemApp(ps)) { 11303 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11304 // When an updated system application is deleted we delete the existing resources as well and 11305 // fall back to existing code in system partition 11306 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11307 flags, outInfo, writeSettings); 11308 } else { 11309 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11310 // Kill application pre-emptively especially for apps on sd. 11311 killApplication(packageName, ps.appId, "uninstall pkg"); 11312 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11313 allUserHandles, perUserInstalled, 11314 outInfo, writeSettings); 11315 } 11316 11317 return ret; 11318 } 11319 11320 private final class ClearStorageConnection implements ServiceConnection { 11321 IMediaContainerService mContainerService; 11322 11323 @Override 11324 public void onServiceConnected(ComponentName name, IBinder service) { 11325 synchronized (this) { 11326 mContainerService = IMediaContainerService.Stub.asInterface(service); 11327 notifyAll(); 11328 } 11329 } 11330 11331 @Override 11332 public void onServiceDisconnected(ComponentName name) { 11333 } 11334 } 11335 11336 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11337 final boolean mounted; 11338 if (Environment.isExternalStorageEmulated()) { 11339 mounted = true; 11340 } else { 11341 final String status = Environment.getExternalStorageState(); 11342 11343 mounted = status.equals(Environment.MEDIA_MOUNTED) 11344 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11345 } 11346 11347 if (!mounted) { 11348 return; 11349 } 11350 11351 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11352 int[] users; 11353 if (userId == UserHandle.USER_ALL) { 11354 users = sUserManager.getUserIds(); 11355 } else { 11356 users = new int[] { userId }; 11357 } 11358 final ClearStorageConnection conn = new ClearStorageConnection(); 11359 if (mContext.bindServiceAsUser( 11360 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11361 try { 11362 for (int curUser : users) { 11363 long timeout = SystemClock.uptimeMillis() + 5000; 11364 synchronized (conn) { 11365 long now = SystemClock.uptimeMillis(); 11366 while (conn.mContainerService == null && now < timeout) { 11367 try { 11368 conn.wait(timeout - now); 11369 } catch (InterruptedException e) { 11370 } 11371 } 11372 } 11373 if (conn.mContainerService == null) { 11374 return; 11375 } 11376 11377 final UserEnvironment userEnv = new UserEnvironment(curUser); 11378 clearDirectory(conn.mContainerService, 11379 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11380 if (allData) { 11381 clearDirectory(conn.mContainerService, 11382 userEnv.buildExternalStorageAppDataDirs(packageName)); 11383 clearDirectory(conn.mContainerService, 11384 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11385 } 11386 } 11387 } finally { 11388 mContext.unbindService(conn); 11389 } 11390 } 11391 } 11392 11393 @Override 11394 public void clearApplicationUserData(final String packageName, 11395 final IPackageDataObserver observer, final int userId) { 11396 mContext.enforceCallingOrSelfPermission( 11397 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11398 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11399 // Queue up an async operation since the package deletion may take a little while. 11400 mHandler.post(new Runnable() { 11401 public void run() { 11402 mHandler.removeCallbacks(this); 11403 final boolean succeeded; 11404 synchronized (mInstallLock) { 11405 succeeded = clearApplicationUserDataLI(packageName, userId); 11406 } 11407 clearExternalStorageDataSync(packageName, userId, true); 11408 if (succeeded) { 11409 // invoke DeviceStorageMonitor's update method to clear any notifications 11410 DeviceStorageMonitorInternal 11411 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11412 if (dsm != null) { 11413 dsm.checkMemory(); 11414 } 11415 } 11416 if(observer != null) { 11417 try { 11418 observer.onRemoveCompleted(packageName, succeeded); 11419 } catch (RemoteException e) { 11420 Log.i(TAG, "Observer no longer exists."); 11421 } 11422 } //end if observer 11423 } //end run 11424 }); 11425 } 11426 11427 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11428 if (packageName == null) { 11429 Slog.w(TAG, "Attempt to delete null packageName."); 11430 return false; 11431 } 11432 11433 // Try finding details about the requested package 11434 PackageParser.Package pkg; 11435 synchronized (mPackages) { 11436 pkg = mPackages.get(packageName); 11437 if (pkg == null) { 11438 final PackageSetting ps = mSettings.mPackages.get(packageName); 11439 if (ps != null) { 11440 pkg = ps.pkg; 11441 } 11442 } 11443 } 11444 11445 if (pkg == null) { 11446 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11447 } 11448 11449 // Always delete data directories for package, even if we found no other 11450 // record of app. This helps users recover from UID mismatches without 11451 // resorting to a full data wipe. 11452 int retCode = mInstaller.clearUserData(packageName, userId); 11453 if (retCode < 0) { 11454 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11455 return false; 11456 } 11457 11458 if (pkg == null) { 11459 return false; 11460 } 11461 11462 if (pkg != null && pkg.applicationInfo != null) { 11463 final int appId = pkg.applicationInfo.uid; 11464 removeKeystoreDataIfNeeded(userId, appId); 11465 } 11466 11467 // Create a native library symlink only if we have native libraries 11468 // and if the native libraries are 32 bit libraries. We do not provide 11469 // this symlink for 64 bit libraries. 11470 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11471 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11472 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11473 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11474 Slog.w(TAG, "Failed linking native library dir"); 11475 return false; 11476 } 11477 } 11478 11479 return true; 11480 } 11481 11482 /** 11483 * Remove entries from the keystore daemon. Will only remove it if the 11484 * {@code appId} is valid. 11485 */ 11486 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11487 if (appId < 0) { 11488 return; 11489 } 11490 11491 final KeyStore keyStore = KeyStore.getInstance(); 11492 if (keyStore != null) { 11493 if (userId == UserHandle.USER_ALL) { 11494 for (final int individual : sUserManager.getUserIds()) { 11495 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11496 } 11497 } else { 11498 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11499 } 11500 } else { 11501 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11502 } 11503 } 11504 11505 @Override 11506 public void deleteApplicationCacheFiles(final String packageName, 11507 final IPackageDataObserver observer) { 11508 mContext.enforceCallingOrSelfPermission( 11509 android.Manifest.permission.DELETE_CACHE_FILES, null); 11510 // Queue up an async operation since the package deletion may take a little while. 11511 final int userId = UserHandle.getCallingUserId(); 11512 mHandler.post(new Runnable() { 11513 public void run() { 11514 mHandler.removeCallbacks(this); 11515 final boolean succeded; 11516 synchronized (mInstallLock) { 11517 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11518 } 11519 clearExternalStorageDataSync(packageName, userId, false); 11520 if(observer != null) { 11521 try { 11522 observer.onRemoveCompleted(packageName, succeded); 11523 } catch (RemoteException e) { 11524 Log.i(TAG, "Observer no longer exists."); 11525 } 11526 } //end if observer 11527 } //end run 11528 }); 11529 } 11530 11531 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11532 if (packageName == null) { 11533 Slog.w(TAG, "Attempt to delete null packageName."); 11534 return false; 11535 } 11536 PackageParser.Package p; 11537 synchronized (mPackages) { 11538 p = mPackages.get(packageName); 11539 } 11540 if (p == null) { 11541 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11542 return false; 11543 } 11544 final ApplicationInfo applicationInfo = p.applicationInfo; 11545 if (applicationInfo == null) { 11546 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11547 return false; 11548 } 11549 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11550 if (retCode < 0) { 11551 Slog.w(TAG, "Couldn't remove cache files for package: " 11552 + packageName + " u" + userId); 11553 return false; 11554 } 11555 return true; 11556 } 11557 11558 @Override 11559 public void getPackageSizeInfo(final String packageName, int userHandle, 11560 final IPackageStatsObserver observer) { 11561 mContext.enforceCallingOrSelfPermission( 11562 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11563 if (packageName == null) { 11564 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11565 } 11566 11567 PackageStats stats = new PackageStats(packageName, userHandle); 11568 11569 /* 11570 * Queue up an async operation since the package measurement may take a 11571 * little while. 11572 */ 11573 Message msg = mHandler.obtainMessage(INIT_COPY); 11574 msg.obj = new MeasureParams(stats, observer); 11575 mHandler.sendMessage(msg); 11576 } 11577 11578 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11579 PackageStats pStats) { 11580 if (packageName == null) { 11581 Slog.w(TAG, "Attempt to get size of null packageName."); 11582 return false; 11583 } 11584 PackageParser.Package p; 11585 boolean dataOnly = false; 11586 String libDirRoot = null; 11587 String asecPath = null; 11588 PackageSetting ps = null; 11589 synchronized (mPackages) { 11590 p = mPackages.get(packageName); 11591 ps = mSettings.mPackages.get(packageName); 11592 if(p == null) { 11593 dataOnly = true; 11594 if((ps == null) || (ps.pkg == null)) { 11595 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11596 return false; 11597 } 11598 p = ps.pkg; 11599 } 11600 if (ps != null) { 11601 libDirRoot = ps.legacyNativeLibraryPathString; 11602 } 11603 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11604 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11605 if (secureContainerId != null) { 11606 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11607 } 11608 } 11609 } 11610 String publicSrcDir = null; 11611 if(!dataOnly) { 11612 final ApplicationInfo applicationInfo = p.applicationInfo; 11613 if (applicationInfo == null) { 11614 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11615 return false; 11616 } 11617 if (isForwardLocked(p)) { 11618 publicSrcDir = applicationInfo.getBaseResourcePath(); 11619 } 11620 } 11621 // TODO: extend to measure size of split APKs 11622 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11623 // not just the first level. 11624 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11625 // just the primary. 11626 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11627 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11628 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11629 if (res < 0) { 11630 return false; 11631 } 11632 11633 // Fix-up for forward-locked applications in ASEC containers. 11634 if (!isExternal(p)) { 11635 pStats.codeSize += pStats.externalCodeSize; 11636 pStats.externalCodeSize = 0L; 11637 } 11638 11639 return true; 11640 } 11641 11642 11643 @Override 11644 public void addPackageToPreferred(String packageName) { 11645 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11646 } 11647 11648 @Override 11649 public void removePackageFromPreferred(String packageName) { 11650 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11651 } 11652 11653 @Override 11654 public List<PackageInfo> getPreferredPackages(int flags) { 11655 return new ArrayList<PackageInfo>(); 11656 } 11657 11658 private int getUidTargetSdkVersionLockedLPr(int uid) { 11659 Object obj = mSettings.getUserIdLPr(uid); 11660 if (obj instanceof SharedUserSetting) { 11661 final SharedUserSetting sus = (SharedUserSetting) obj; 11662 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11663 final Iterator<PackageSetting> it = sus.packages.iterator(); 11664 while (it.hasNext()) { 11665 final PackageSetting ps = it.next(); 11666 if (ps.pkg != null) { 11667 int v = ps.pkg.applicationInfo.targetSdkVersion; 11668 if (v < vers) vers = v; 11669 } 11670 } 11671 return vers; 11672 } else if (obj instanceof PackageSetting) { 11673 final PackageSetting ps = (PackageSetting) obj; 11674 if (ps.pkg != null) { 11675 return ps.pkg.applicationInfo.targetSdkVersion; 11676 } 11677 } 11678 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11679 } 11680 11681 @Override 11682 public void addPreferredActivity(IntentFilter filter, int match, 11683 ComponentName[] set, ComponentName activity, int userId) { 11684 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11685 "Adding preferred"); 11686 } 11687 11688 private void addPreferredActivityInternal(IntentFilter filter, int match, 11689 ComponentName[] set, ComponentName activity, boolean always, int userId, 11690 String opname) { 11691 // writer 11692 int callingUid = Binder.getCallingUid(); 11693 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11694 if (filter.countActions() == 0) { 11695 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11696 return; 11697 } 11698 synchronized (mPackages) { 11699 if (mContext.checkCallingOrSelfPermission( 11700 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11701 != PackageManager.PERMISSION_GRANTED) { 11702 if (getUidTargetSdkVersionLockedLPr(callingUid) 11703 < Build.VERSION_CODES.FROYO) { 11704 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11705 + callingUid); 11706 return; 11707 } 11708 mContext.enforceCallingOrSelfPermission( 11709 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11710 } 11711 11712 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11713 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11714 + userId + ":"); 11715 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11716 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11717 scheduleWritePackageRestrictionsLocked(userId); 11718 } 11719 } 11720 11721 @Override 11722 public void replacePreferredActivity(IntentFilter filter, int match, 11723 ComponentName[] set, ComponentName activity, int userId) { 11724 if (filter.countActions() != 1) { 11725 throw new IllegalArgumentException( 11726 "replacePreferredActivity expects filter to have only 1 action."); 11727 } 11728 if (filter.countDataAuthorities() != 0 11729 || filter.countDataPaths() != 0 11730 || filter.countDataSchemes() > 1 11731 || filter.countDataTypes() != 0) { 11732 throw new IllegalArgumentException( 11733 "replacePreferredActivity expects filter to have no data authorities, " + 11734 "paths, or types; and at most one scheme."); 11735 } 11736 11737 final int callingUid = Binder.getCallingUid(); 11738 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11739 synchronized (mPackages) { 11740 if (mContext.checkCallingOrSelfPermission( 11741 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11742 != PackageManager.PERMISSION_GRANTED) { 11743 if (getUidTargetSdkVersionLockedLPr(callingUid) 11744 < Build.VERSION_CODES.FROYO) { 11745 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11746 + Binder.getCallingUid()); 11747 return; 11748 } 11749 mContext.enforceCallingOrSelfPermission( 11750 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11751 } 11752 11753 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11754 if (pir != null) { 11755 // Get all of the existing entries that exactly match this filter. 11756 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11757 if (existing != null && existing.size() == 1) { 11758 PreferredActivity cur = existing.get(0); 11759 if (DEBUG_PREFERRED) { 11760 Slog.i(TAG, "Checking replace of preferred:"); 11761 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11762 if (!cur.mPref.mAlways) { 11763 Slog.i(TAG, " -- CUR; not mAlways!"); 11764 } else { 11765 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11766 Slog.i(TAG, " -- CUR: mSet=" 11767 + Arrays.toString(cur.mPref.mSetComponents)); 11768 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11769 Slog.i(TAG, " -- NEW: mMatch=" 11770 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11771 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11772 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11773 } 11774 } 11775 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11776 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11777 && cur.mPref.sameSet(set)) { 11778 // Setting the preferred activity to what it happens to be already 11779 if (DEBUG_PREFERRED) { 11780 Slog.i(TAG, "Replacing with same preferred activity " 11781 + cur.mPref.mShortComponent + " for user " 11782 + userId + ":"); 11783 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11784 } 11785 return; 11786 } 11787 } 11788 11789 if (existing != null) { 11790 if (DEBUG_PREFERRED) { 11791 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11792 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11793 } 11794 for (int i = 0; i < existing.size(); i++) { 11795 PreferredActivity pa = existing.get(i); 11796 if (DEBUG_PREFERRED) { 11797 Slog.i(TAG, "Removing existing preferred activity " 11798 + pa.mPref.mComponent + ":"); 11799 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11800 } 11801 pir.removeFilter(pa); 11802 } 11803 } 11804 } 11805 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11806 "Replacing preferred"); 11807 } 11808 } 11809 11810 @Override 11811 public void clearPackagePreferredActivities(String packageName) { 11812 final int uid = Binder.getCallingUid(); 11813 // writer 11814 synchronized (mPackages) { 11815 PackageParser.Package pkg = mPackages.get(packageName); 11816 if (pkg == null || pkg.applicationInfo.uid != uid) { 11817 if (mContext.checkCallingOrSelfPermission( 11818 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11819 != PackageManager.PERMISSION_GRANTED) { 11820 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11821 < Build.VERSION_CODES.FROYO) { 11822 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11823 + Binder.getCallingUid()); 11824 return; 11825 } 11826 mContext.enforceCallingOrSelfPermission( 11827 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11828 } 11829 } 11830 11831 int user = UserHandle.getCallingUserId(); 11832 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11833 scheduleWritePackageRestrictionsLocked(user); 11834 } 11835 } 11836 } 11837 11838 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11839 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11840 ArrayList<PreferredActivity> removed = null; 11841 boolean changed = false; 11842 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11843 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11844 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11845 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11846 continue; 11847 } 11848 Iterator<PreferredActivity> it = pir.filterIterator(); 11849 while (it.hasNext()) { 11850 PreferredActivity pa = it.next(); 11851 // Mark entry for removal only if it matches the package name 11852 // and the entry is of type "always". 11853 if (packageName == null || 11854 (pa.mPref.mComponent.getPackageName().equals(packageName) 11855 && pa.mPref.mAlways)) { 11856 if (removed == null) { 11857 removed = new ArrayList<PreferredActivity>(); 11858 } 11859 removed.add(pa); 11860 } 11861 } 11862 if (removed != null) { 11863 for (int j=0; j<removed.size(); j++) { 11864 PreferredActivity pa = removed.get(j); 11865 pir.removeFilter(pa); 11866 } 11867 changed = true; 11868 } 11869 } 11870 return changed; 11871 } 11872 11873 @Override 11874 public void resetPreferredActivities(int userId) { 11875 /* TODO: Actually use userId. Why is it being passed in? */ 11876 mContext.enforceCallingOrSelfPermission( 11877 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11878 // writer 11879 synchronized (mPackages) { 11880 int user = UserHandle.getCallingUserId(); 11881 clearPackagePreferredActivitiesLPw(null, user); 11882 mSettings.readDefaultPreferredAppsLPw(this, user); 11883 scheduleWritePackageRestrictionsLocked(user); 11884 } 11885 } 11886 11887 @Override 11888 public int getPreferredActivities(List<IntentFilter> outFilters, 11889 List<ComponentName> outActivities, String packageName) { 11890 11891 int num = 0; 11892 final int userId = UserHandle.getCallingUserId(); 11893 // reader 11894 synchronized (mPackages) { 11895 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11896 if (pir != null) { 11897 final Iterator<PreferredActivity> it = pir.filterIterator(); 11898 while (it.hasNext()) { 11899 final PreferredActivity pa = it.next(); 11900 if (packageName == null 11901 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11902 && pa.mPref.mAlways)) { 11903 if (outFilters != null) { 11904 outFilters.add(new IntentFilter(pa)); 11905 } 11906 if (outActivities != null) { 11907 outActivities.add(pa.mPref.mComponent); 11908 } 11909 } 11910 } 11911 } 11912 } 11913 11914 return num; 11915 } 11916 11917 @Override 11918 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11919 int userId) { 11920 int callingUid = Binder.getCallingUid(); 11921 if (callingUid != Process.SYSTEM_UID) { 11922 throw new SecurityException( 11923 "addPersistentPreferredActivity can only be run by the system"); 11924 } 11925 if (filter.countActions() == 0) { 11926 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11927 return; 11928 } 11929 synchronized (mPackages) { 11930 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11931 " :"); 11932 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11933 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11934 new PersistentPreferredActivity(filter, activity)); 11935 scheduleWritePackageRestrictionsLocked(userId); 11936 } 11937 } 11938 11939 @Override 11940 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11941 int callingUid = Binder.getCallingUid(); 11942 if (callingUid != Process.SYSTEM_UID) { 11943 throw new SecurityException( 11944 "clearPackagePersistentPreferredActivities can only be run by the system"); 11945 } 11946 ArrayList<PersistentPreferredActivity> removed = null; 11947 boolean changed = false; 11948 synchronized (mPackages) { 11949 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11950 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11951 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11952 .valueAt(i); 11953 if (userId != thisUserId) { 11954 continue; 11955 } 11956 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11957 while (it.hasNext()) { 11958 PersistentPreferredActivity ppa = it.next(); 11959 // Mark entry for removal only if it matches the package name. 11960 if (ppa.mComponent.getPackageName().equals(packageName)) { 11961 if (removed == null) { 11962 removed = new ArrayList<PersistentPreferredActivity>(); 11963 } 11964 removed.add(ppa); 11965 } 11966 } 11967 if (removed != null) { 11968 for (int j=0; j<removed.size(); j++) { 11969 PersistentPreferredActivity ppa = removed.get(j); 11970 ppir.removeFilter(ppa); 11971 } 11972 changed = true; 11973 } 11974 } 11975 11976 if (changed) { 11977 scheduleWritePackageRestrictionsLocked(userId); 11978 } 11979 } 11980 } 11981 11982 @Override 11983 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11984 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11985 mContext.enforceCallingOrSelfPermission( 11986 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11987 int callingUid = Binder.getCallingUid(); 11988 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11989 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11990 if (intentFilter.countActions() == 0) { 11991 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11992 return; 11993 } 11994 synchronized (mPackages) { 11995 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 11996 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11997 CrossProfileIntentResolver resolver = 11998 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11999 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 12000 // We have all those whose filter is equal. Now checking if the rest is equal as well. 12001 if (existing != null) { 12002 int size = existing.size(); 12003 for (int i = 0; i < size; i++) { 12004 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 12005 return; 12006 } 12007 } 12008 } 12009 resolver.addFilter(newFilter); 12010 scheduleWritePackageRestrictionsLocked(sourceUserId); 12011 } 12012 } 12013 12014 @Override 12015 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 12016 int ownerUserId) { 12017 mContext.enforceCallingOrSelfPermission( 12018 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 12019 int callingUid = Binder.getCallingUid(); 12020 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 12021 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 12022 int callingUserId = UserHandle.getUserId(callingUid); 12023 synchronized (mPackages) { 12024 CrossProfileIntentResolver resolver = 12025 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 12026 ArraySet<CrossProfileIntentFilter> set = 12027 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 12028 for (CrossProfileIntentFilter filter : set) { 12029 if (filter.getOwnerPackage().equals(ownerPackage) 12030 && filter.getOwnerUserId() == callingUserId) { 12031 resolver.removeFilter(filter); 12032 } 12033 } 12034 scheduleWritePackageRestrictionsLocked(sourceUserId); 12035 } 12036 } 12037 12038 // Enforcing that callingUid is owning pkg on userId 12039 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 12040 // The system owns everything. 12041 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 12042 return; 12043 } 12044 int callingUserId = UserHandle.getUserId(callingUid); 12045 if (callingUserId != userId) { 12046 throw new SecurityException("calling uid " + callingUid 12047 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 12048 + callingUserId); 12049 } 12050 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 12051 if (pi == null) { 12052 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 12053 + callingUserId); 12054 } 12055 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 12056 throw new SecurityException("Calling uid " + callingUid 12057 + " does not own package " + pkg); 12058 } 12059 } 12060 12061 @Override 12062 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 12063 Intent intent = new Intent(Intent.ACTION_MAIN); 12064 intent.addCategory(Intent.CATEGORY_HOME); 12065 12066 final int callingUserId = UserHandle.getCallingUserId(); 12067 List<ResolveInfo> list = queryIntentActivities(intent, null, 12068 PackageManager.GET_META_DATA, callingUserId); 12069 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 12070 true, false, false, callingUserId); 12071 12072 allHomeCandidates.clear(); 12073 if (list != null) { 12074 for (ResolveInfo ri : list) { 12075 allHomeCandidates.add(ri); 12076 } 12077 } 12078 return (preferred == null || preferred.activityInfo == null) 12079 ? null 12080 : new ComponentName(preferred.activityInfo.packageName, 12081 preferred.activityInfo.name); 12082 } 12083 12084 @Override 12085 public void setApplicationEnabledSetting(String appPackageName, 12086 int newState, int flags, int userId, String callingPackage) { 12087 if (!sUserManager.exists(userId)) return; 12088 if (callingPackage == null) { 12089 callingPackage = Integer.toString(Binder.getCallingUid()); 12090 } 12091 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 12092 } 12093 12094 @Override 12095 public void setComponentEnabledSetting(ComponentName componentName, 12096 int newState, int flags, int userId) { 12097 if (!sUserManager.exists(userId)) return; 12098 setEnabledSetting(componentName.getPackageName(), 12099 componentName.getClassName(), newState, flags, userId, null); 12100 } 12101 12102 private void setEnabledSetting(final String packageName, String className, int newState, 12103 final int flags, int userId, String callingPackage) { 12104 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 12105 || newState == COMPONENT_ENABLED_STATE_ENABLED 12106 || newState == COMPONENT_ENABLED_STATE_DISABLED 12107 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 12108 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 12109 throw new IllegalArgumentException("Invalid new component state: " 12110 + newState); 12111 } 12112 PackageSetting pkgSetting; 12113 final int uid = Binder.getCallingUid(); 12114 final int permission = mContext.checkCallingOrSelfPermission( 12115 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12116 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 12117 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12118 boolean sendNow = false; 12119 boolean isApp = (className == null); 12120 String componentName = isApp ? packageName : className; 12121 int packageUid = -1; 12122 ArrayList<String> components; 12123 12124 // writer 12125 synchronized (mPackages) { 12126 pkgSetting = mSettings.mPackages.get(packageName); 12127 if (pkgSetting == null) { 12128 if (className == null) { 12129 throw new IllegalArgumentException( 12130 "Unknown package: " + packageName); 12131 } 12132 throw new IllegalArgumentException( 12133 "Unknown component: " + packageName 12134 + "/" + className); 12135 } 12136 // Allow root and verify that userId is not being specified by a different user 12137 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 12138 throw new SecurityException( 12139 "Permission Denial: attempt to change component state from pid=" 12140 + Binder.getCallingPid() 12141 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 12142 } 12143 if (className == null) { 12144 // We're dealing with an application/package level state change 12145 if (pkgSetting.getEnabled(userId) == newState) { 12146 // Nothing to do 12147 return; 12148 } 12149 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 12150 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 12151 // Don't care about who enables an app. 12152 callingPackage = null; 12153 } 12154 pkgSetting.setEnabled(newState, userId, callingPackage); 12155 // pkgSetting.pkg.mSetEnabled = newState; 12156 } else { 12157 // We're dealing with a component level state change 12158 // First, verify that this is a valid class name. 12159 PackageParser.Package pkg = pkgSetting.pkg; 12160 if (pkg == null || !pkg.hasComponentClassName(className)) { 12161 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 12162 throw new IllegalArgumentException("Component class " + className 12163 + " does not exist in " + packageName); 12164 } else { 12165 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 12166 + className + " does not exist in " + packageName); 12167 } 12168 } 12169 switch (newState) { 12170 case COMPONENT_ENABLED_STATE_ENABLED: 12171 if (!pkgSetting.enableComponentLPw(className, userId)) { 12172 return; 12173 } 12174 break; 12175 case COMPONENT_ENABLED_STATE_DISABLED: 12176 if (!pkgSetting.disableComponentLPw(className, userId)) { 12177 return; 12178 } 12179 break; 12180 case COMPONENT_ENABLED_STATE_DEFAULT: 12181 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12182 return; 12183 } 12184 break; 12185 default: 12186 Slog.e(TAG, "Invalid new component state: " + newState); 12187 return; 12188 } 12189 } 12190 mSettings.writePackageRestrictionsLPr(userId); 12191 components = mPendingBroadcasts.get(userId, packageName); 12192 final boolean newPackage = components == null; 12193 if (newPackage) { 12194 components = new ArrayList<String>(); 12195 } 12196 if (!components.contains(componentName)) { 12197 components.add(componentName); 12198 } 12199 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12200 sendNow = true; 12201 // Purge entry from pending broadcast list if another one exists already 12202 // since we are sending one right away. 12203 mPendingBroadcasts.remove(userId, packageName); 12204 } else { 12205 if (newPackage) { 12206 mPendingBroadcasts.put(userId, packageName, components); 12207 } 12208 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12209 // Schedule a message 12210 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12211 } 12212 } 12213 } 12214 12215 long callingId = Binder.clearCallingIdentity(); 12216 try { 12217 if (sendNow) { 12218 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12219 sendPackageChangedBroadcast(packageName, 12220 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12221 } 12222 } finally { 12223 Binder.restoreCallingIdentity(callingId); 12224 } 12225 } 12226 12227 private void sendPackageChangedBroadcast(String packageName, 12228 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12229 if (DEBUG_INSTALL) 12230 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12231 + componentNames); 12232 Bundle extras = new Bundle(4); 12233 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12234 String nameList[] = new String[componentNames.size()]; 12235 componentNames.toArray(nameList); 12236 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12237 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12238 extras.putInt(Intent.EXTRA_UID, packageUid); 12239 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12240 new int[] {UserHandle.getUserId(packageUid)}); 12241 } 12242 12243 @Override 12244 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12245 if (!sUserManager.exists(userId)) return; 12246 final int uid = Binder.getCallingUid(); 12247 final int permission = mContext.checkCallingOrSelfPermission( 12248 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12249 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12250 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12251 // writer 12252 synchronized (mPackages) { 12253 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12254 uid, userId)) { 12255 scheduleWritePackageRestrictionsLocked(userId); 12256 } 12257 } 12258 } 12259 12260 @Override 12261 public String getInstallerPackageName(String packageName) { 12262 // reader 12263 synchronized (mPackages) { 12264 return mSettings.getInstallerPackageNameLPr(packageName); 12265 } 12266 } 12267 12268 @Override 12269 public int getApplicationEnabledSetting(String packageName, int userId) { 12270 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12271 int uid = Binder.getCallingUid(); 12272 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12273 // reader 12274 synchronized (mPackages) { 12275 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12276 } 12277 } 12278 12279 @Override 12280 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12281 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12282 int uid = Binder.getCallingUid(); 12283 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12284 // reader 12285 synchronized (mPackages) { 12286 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12287 } 12288 } 12289 12290 @Override 12291 public void enterSafeMode() { 12292 enforceSystemOrRoot("Only the system can request entering safe mode"); 12293 12294 if (!mSystemReady) { 12295 mSafeMode = true; 12296 } 12297 } 12298 12299 @Override 12300 public void systemReady() { 12301 mSystemReady = true; 12302 12303 // Read the compatibilty setting when the system is ready. 12304 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12305 mContext.getContentResolver(), 12306 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12307 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12308 if (DEBUG_SETTINGS) { 12309 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12310 } 12311 12312 synchronized (mPackages) { 12313 // Verify that all of the preferred activity components actually 12314 // exist. It is possible for applications to be updated and at 12315 // that point remove a previously declared activity component that 12316 // had been set as a preferred activity. We try to clean this up 12317 // the next time we encounter that preferred activity, but it is 12318 // possible for the user flow to never be able to return to that 12319 // situation so here we do a sanity check to make sure we haven't 12320 // left any junk around. 12321 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12322 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12323 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12324 removed.clear(); 12325 for (PreferredActivity pa : pir.filterSet()) { 12326 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12327 removed.add(pa); 12328 } 12329 } 12330 if (removed.size() > 0) { 12331 for (int r=0; r<removed.size(); r++) { 12332 PreferredActivity pa = removed.get(r); 12333 Slog.w(TAG, "Removing dangling preferred activity: " 12334 + pa.mPref.mComponent); 12335 pir.removeFilter(pa); 12336 } 12337 mSettings.writePackageRestrictionsLPr( 12338 mSettings.mPreferredActivities.keyAt(i)); 12339 } 12340 } 12341 } 12342 sUserManager.systemReady(); 12343 12344 // Kick off any messages waiting for system ready 12345 if (mPostSystemReadyMessages != null) { 12346 for (Message msg : mPostSystemReadyMessages) { 12347 msg.sendToTarget(); 12348 } 12349 mPostSystemReadyMessages = null; 12350 } 12351 } 12352 12353 @Override 12354 public boolean isSafeMode() { 12355 return mSafeMode; 12356 } 12357 12358 @Override 12359 public boolean hasSystemUidErrors() { 12360 return mHasSystemUidErrors; 12361 } 12362 12363 static String arrayToString(int[] array) { 12364 StringBuffer buf = new StringBuffer(128); 12365 buf.append('['); 12366 if (array != null) { 12367 for (int i=0; i<array.length; i++) { 12368 if (i > 0) buf.append(", "); 12369 buf.append(array[i]); 12370 } 12371 } 12372 buf.append(']'); 12373 return buf.toString(); 12374 } 12375 12376 static class DumpState { 12377 public static final int DUMP_LIBS = 1 << 0; 12378 public static final int DUMP_FEATURES = 1 << 1; 12379 public static final int DUMP_RESOLVERS = 1 << 2; 12380 public static final int DUMP_PERMISSIONS = 1 << 3; 12381 public static final int DUMP_PACKAGES = 1 << 4; 12382 public static final int DUMP_SHARED_USERS = 1 << 5; 12383 public static final int DUMP_MESSAGES = 1 << 6; 12384 public static final int DUMP_PROVIDERS = 1 << 7; 12385 public static final int DUMP_VERIFIERS = 1 << 8; 12386 public static final int DUMP_PREFERRED = 1 << 9; 12387 public static final int DUMP_PREFERRED_XML = 1 << 10; 12388 public static final int DUMP_KEYSETS = 1 << 11; 12389 public static final int DUMP_VERSION = 1 << 12; 12390 public static final int DUMP_INSTALLS = 1 << 13; 12391 12392 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12393 12394 private int mTypes; 12395 12396 private int mOptions; 12397 12398 private boolean mTitlePrinted; 12399 12400 private SharedUserSetting mSharedUser; 12401 12402 public boolean isDumping(int type) { 12403 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12404 return true; 12405 } 12406 12407 return (mTypes & type) != 0; 12408 } 12409 12410 public void setDump(int type) { 12411 mTypes |= type; 12412 } 12413 12414 public boolean isOptionEnabled(int option) { 12415 return (mOptions & option) != 0; 12416 } 12417 12418 public void setOptionEnabled(int option) { 12419 mOptions |= option; 12420 } 12421 12422 public boolean onTitlePrinted() { 12423 final boolean printed = mTitlePrinted; 12424 mTitlePrinted = true; 12425 return printed; 12426 } 12427 12428 public boolean getTitlePrinted() { 12429 return mTitlePrinted; 12430 } 12431 12432 public void setTitlePrinted(boolean enabled) { 12433 mTitlePrinted = enabled; 12434 } 12435 12436 public SharedUserSetting getSharedUser() { 12437 return mSharedUser; 12438 } 12439 12440 public void setSharedUser(SharedUserSetting user) { 12441 mSharedUser = user; 12442 } 12443 } 12444 12445 @Override 12446 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12447 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12448 != PackageManager.PERMISSION_GRANTED) { 12449 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12450 + Binder.getCallingPid() 12451 + ", uid=" + Binder.getCallingUid() 12452 + " without permission " 12453 + android.Manifest.permission.DUMP); 12454 return; 12455 } 12456 12457 DumpState dumpState = new DumpState(); 12458 boolean fullPreferred = false; 12459 boolean checkin = false; 12460 12461 String packageName = null; 12462 12463 int opti = 0; 12464 while (opti < args.length) { 12465 String opt = args[opti]; 12466 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12467 break; 12468 } 12469 opti++; 12470 12471 if ("-a".equals(opt)) { 12472 // Right now we only know how to print all. 12473 } else if ("-h".equals(opt)) { 12474 pw.println("Package manager dump options:"); 12475 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12476 pw.println(" --checkin: dump for a checkin"); 12477 pw.println(" -f: print details of intent filters"); 12478 pw.println(" -h: print this help"); 12479 pw.println(" cmd may be one of:"); 12480 pw.println(" l[ibraries]: list known shared libraries"); 12481 pw.println(" f[ibraries]: list device features"); 12482 pw.println(" k[eysets]: print known keysets"); 12483 pw.println(" r[esolvers]: dump intent resolvers"); 12484 pw.println(" perm[issions]: dump permissions"); 12485 pw.println(" pref[erred]: print preferred package settings"); 12486 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12487 pw.println(" prov[iders]: dump content providers"); 12488 pw.println(" p[ackages]: dump installed packages"); 12489 pw.println(" s[hared-users]: dump shared user IDs"); 12490 pw.println(" m[essages]: print collected runtime messages"); 12491 pw.println(" v[erifiers]: print package verifier info"); 12492 pw.println(" version: print database version info"); 12493 pw.println(" write: write current settings now"); 12494 pw.println(" <package.name>: info about given package"); 12495 pw.println(" installs: details about install sessions"); 12496 return; 12497 } else if ("--checkin".equals(opt)) { 12498 checkin = true; 12499 } else if ("-f".equals(opt)) { 12500 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12501 } else { 12502 pw.println("Unknown argument: " + opt + "; use -h for help"); 12503 } 12504 } 12505 12506 // Is the caller requesting to dump a particular piece of data? 12507 if (opti < args.length) { 12508 String cmd = args[opti]; 12509 opti++; 12510 // Is this a package name? 12511 if ("android".equals(cmd) || cmd.contains(".")) { 12512 packageName = cmd; 12513 // When dumping a single package, we always dump all of its 12514 // filter information since the amount of data will be reasonable. 12515 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12516 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12517 dumpState.setDump(DumpState.DUMP_LIBS); 12518 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12519 dumpState.setDump(DumpState.DUMP_FEATURES); 12520 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12521 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12522 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12523 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12524 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12525 dumpState.setDump(DumpState.DUMP_PREFERRED); 12526 } else if ("preferred-xml".equals(cmd)) { 12527 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12528 if (opti < args.length && "--full".equals(args[opti])) { 12529 fullPreferred = true; 12530 opti++; 12531 } 12532 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12533 dumpState.setDump(DumpState.DUMP_PACKAGES); 12534 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12535 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12536 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12537 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12538 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12539 dumpState.setDump(DumpState.DUMP_MESSAGES); 12540 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12541 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12542 } else if ("version".equals(cmd)) { 12543 dumpState.setDump(DumpState.DUMP_VERSION); 12544 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12545 dumpState.setDump(DumpState.DUMP_KEYSETS); 12546 } else if ("installs".equals(cmd)) { 12547 dumpState.setDump(DumpState.DUMP_INSTALLS); 12548 } else if ("write".equals(cmd)) { 12549 synchronized (mPackages) { 12550 mSettings.writeLPr(); 12551 pw.println("Settings written."); 12552 return; 12553 } 12554 } 12555 } 12556 12557 if (checkin) { 12558 pw.println("vers,1"); 12559 } 12560 12561 // reader 12562 synchronized (mPackages) { 12563 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12564 if (!checkin) { 12565 if (dumpState.onTitlePrinted()) 12566 pw.println(); 12567 pw.println("Database versions:"); 12568 pw.print(" SDK Version:"); 12569 pw.print(" internal="); 12570 pw.print(mSettings.mInternalSdkPlatform); 12571 pw.print(" external="); 12572 pw.println(mSettings.mExternalSdkPlatform); 12573 pw.print(" DB Version:"); 12574 pw.print(" internal="); 12575 pw.print(mSettings.mInternalDatabaseVersion); 12576 pw.print(" external="); 12577 pw.println(mSettings.mExternalDatabaseVersion); 12578 } 12579 } 12580 12581 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12582 if (!checkin) { 12583 if (dumpState.onTitlePrinted()) 12584 pw.println(); 12585 pw.println("Verifiers:"); 12586 pw.print(" Required: "); 12587 pw.print(mRequiredVerifierPackage); 12588 pw.print(" (uid="); 12589 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12590 pw.println(")"); 12591 } else if (mRequiredVerifierPackage != null) { 12592 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12593 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12594 } 12595 } 12596 12597 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12598 boolean printedHeader = false; 12599 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12600 while (it.hasNext()) { 12601 String name = it.next(); 12602 SharedLibraryEntry ent = mSharedLibraries.get(name); 12603 if (!checkin) { 12604 if (!printedHeader) { 12605 if (dumpState.onTitlePrinted()) 12606 pw.println(); 12607 pw.println("Libraries:"); 12608 printedHeader = true; 12609 } 12610 pw.print(" "); 12611 } else { 12612 pw.print("lib,"); 12613 } 12614 pw.print(name); 12615 if (!checkin) { 12616 pw.print(" -> "); 12617 } 12618 if (ent.path != null) { 12619 if (!checkin) { 12620 pw.print("(jar) "); 12621 pw.print(ent.path); 12622 } else { 12623 pw.print(",jar,"); 12624 pw.print(ent.path); 12625 } 12626 } else { 12627 if (!checkin) { 12628 pw.print("(apk) "); 12629 pw.print(ent.apk); 12630 } else { 12631 pw.print(",apk,"); 12632 pw.print(ent.apk); 12633 } 12634 } 12635 pw.println(); 12636 } 12637 } 12638 12639 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12640 if (dumpState.onTitlePrinted()) 12641 pw.println(); 12642 if (!checkin) { 12643 pw.println("Features:"); 12644 } 12645 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12646 while (it.hasNext()) { 12647 String name = it.next(); 12648 if (!checkin) { 12649 pw.print(" "); 12650 } else { 12651 pw.print("feat,"); 12652 } 12653 pw.println(name); 12654 } 12655 } 12656 12657 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12658 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12659 : "Activity Resolver Table:", " ", packageName, 12660 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12661 dumpState.setTitlePrinted(true); 12662 } 12663 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12664 : "Receiver Resolver Table:", " ", packageName, 12665 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12666 dumpState.setTitlePrinted(true); 12667 } 12668 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12669 : "Service Resolver Table:", " ", packageName, 12670 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12671 dumpState.setTitlePrinted(true); 12672 } 12673 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12674 : "Provider Resolver Table:", " ", packageName, 12675 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 12676 dumpState.setTitlePrinted(true); 12677 } 12678 } 12679 12680 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12681 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12682 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12683 int user = mSettings.mPreferredActivities.keyAt(i); 12684 if (pir.dump(pw, 12685 dumpState.getTitlePrinted() 12686 ? "\nPreferred Activities User " + user + ":" 12687 : "Preferred Activities User " + user + ":", " ", 12688 packageName, true, false)) { 12689 dumpState.setTitlePrinted(true); 12690 } 12691 } 12692 } 12693 12694 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12695 pw.flush(); 12696 FileOutputStream fout = new FileOutputStream(fd); 12697 BufferedOutputStream str = new BufferedOutputStream(fout); 12698 XmlSerializer serializer = new FastXmlSerializer(); 12699 try { 12700 serializer.setOutput(str, "utf-8"); 12701 serializer.startDocument(null, true); 12702 serializer.setFeature( 12703 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12704 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12705 serializer.endDocument(); 12706 serializer.flush(); 12707 } catch (IllegalArgumentException e) { 12708 pw.println("Failed writing: " + e); 12709 } catch (IllegalStateException e) { 12710 pw.println("Failed writing: " + e); 12711 } catch (IOException e) { 12712 pw.println("Failed writing: " + e); 12713 } 12714 } 12715 12716 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12717 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12718 if (packageName == null) { 12719 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12720 if (iperm == 0) { 12721 if (dumpState.onTitlePrinted()) 12722 pw.println(); 12723 pw.println("AppOp Permissions:"); 12724 } 12725 pw.print(" AppOp Permission "); 12726 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12727 pw.println(":"); 12728 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12729 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12730 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12731 } 12732 } 12733 } 12734 } 12735 12736 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12737 boolean printedSomething = false; 12738 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12739 if (packageName != null && !packageName.equals(p.info.packageName)) { 12740 continue; 12741 } 12742 if (!printedSomething) { 12743 if (dumpState.onTitlePrinted()) 12744 pw.println(); 12745 pw.println("Registered ContentProviders:"); 12746 printedSomething = true; 12747 } 12748 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12749 pw.print(" "); pw.println(p.toString()); 12750 } 12751 printedSomething = false; 12752 for (Map.Entry<String, PackageParser.Provider> entry : 12753 mProvidersByAuthority.entrySet()) { 12754 PackageParser.Provider p = entry.getValue(); 12755 if (packageName != null && !packageName.equals(p.info.packageName)) { 12756 continue; 12757 } 12758 if (!printedSomething) { 12759 if (dumpState.onTitlePrinted()) 12760 pw.println(); 12761 pw.println("ContentProvider Authorities:"); 12762 printedSomething = true; 12763 } 12764 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12765 pw.print(" "); pw.println(p.toString()); 12766 if (p.info != null && p.info.applicationInfo != null) { 12767 final String appInfo = p.info.applicationInfo.toString(); 12768 pw.print(" applicationInfo="); pw.println(appInfo); 12769 } 12770 } 12771 } 12772 12773 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12774 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12775 } 12776 12777 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12778 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12779 } 12780 12781 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12782 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); 12783 } 12784 12785 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12786 // XXX should handle packageName != null by dumping only install data that 12787 // the given package is involved with. 12788 if (dumpState.onTitlePrinted()) pw.println(); 12789 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12790 } 12791 12792 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12793 if (dumpState.onTitlePrinted()) pw.println(); 12794 mSettings.dumpReadMessagesLPr(pw, dumpState); 12795 12796 pw.println(); 12797 pw.println("Package warning messages:"); 12798 BufferedReader in = null; 12799 String line = null; 12800 try { 12801 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12802 while ((line = in.readLine()) != null) { 12803 if (line.contains("ignored: updated version")) continue; 12804 pw.println(line); 12805 } 12806 } catch (IOException ignored) { 12807 } finally { 12808 IoUtils.closeQuietly(in); 12809 } 12810 } 12811 12812 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12813 BufferedReader in = null; 12814 String line = null; 12815 try { 12816 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12817 while ((line = in.readLine()) != null) { 12818 if (line.contains("ignored: updated version")) continue; 12819 pw.print("msg,"); 12820 pw.println(line); 12821 } 12822 } catch (IOException ignored) { 12823 } finally { 12824 IoUtils.closeQuietly(in); 12825 } 12826 } 12827 } 12828 } 12829 12830 // ------- apps on sdcard specific code ------- 12831 static final boolean DEBUG_SD_INSTALL = false; 12832 12833 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12834 12835 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12836 12837 private boolean mMediaMounted = false; 12838 12839 static String getEncryptKey() { 12840 try { 12841 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12842 SD_ENCRYPTION_KEYSTORE_NAME); 12843 if (sdEncKey == null) { 12844 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12845 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12846 if (sdEncKey == null) { 12847 Slog.e(TAG, "Failed to create encryption keys"); 12848 return null; 12849 } 12850 } 12851 return sdEncKey; 12852 } catch (NoSuchAlgorithmException nsae) { 12853 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12854 return null; 12855 } catch (IOException ioe) { 12856 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12857 return null; 12858 } 12859 } 12860 12861 /* 12862 * Update media status on PackageManager. 12863 */ 12864 @Override 12865 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12866 int callingUid = Binder.getCallingUid(); 12867 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12868 throw new SecurityException("Media status can only be updated by the system"); 12869 } 12870 // reader; this apparently protects mMediaMounted, but should probably 12871 // be a different lock in that case. 12872 synchronized (mPackages) { 12873 Log.i(TAG, "Updating external media status from " 12874 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12875 + (mediaStatus ? "mounted" : "unmounted")); 12876 if (DEBUG_SD_INSTALL) 12877 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12878 + ", mMediaMounted=" + mMediaMounted); 12879 if (mediaStatus == mMediaMounted) { 12880 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12881 : 0, -1); 12882 mHandler.sendMessage(msg); 12883 return; 12884 } 12885 mMediaMounted = mediaStatus; 12886 } 12887 // Queue up an async operation since the package installation may take a 12888 // little while. 12889 mHandler.post(new Runnable() { 12890 public void run() { 12891 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12892 } 12893 }); 12894 } 12895 12896 /** 12897 * Called by MountService when the initial ASECs to scan are available. 12898 * Should block until all the ASEC containers are finished being scanned. 12899 */ 12900 public void scanAvailableAsecs() { 12901 updateExternalMediaStatusInner(true, false, false); 12902 if (mShouldRestoreconData) { 12903 SELinuxMMAC.setRestoreconDone(); 12904 mShouldRestoreconData = false; 12905 } 12906 } 12907 12908 /* 12909 * Collect information of applications on external media, map them against 12910 * existing containers and update information based on current mount status. 12911 * Please note that we always have to report status if reportStatus has been 12912 * set to true especially when unloading packages. 12913 */ 12914 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12915 boolean externalStorage) { 12916 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12917 int[] uidArr = EmptyArray.INT; 12918 12919 final String[] list = PackageHelper.getSecureContainerList(); 12920 if (ArrayUtils.isEmpty(list)) { 12921 Log.i(TAG, "No secure containers found"); 12922 } else { 12923 // Process list of secure containers and categorize them 12924 // as active or stale based on their package internal state. 12925 12926 // reader 12927 synchronized (mPackages) { 12928 for (String cid : list) { 12929 // Leave stages untouched for now; installer service owns them 12930 if (PackageInstallerService.isStageName(cid)) continue; 12931 12932 if (DEBUG_SD_INSTALL) 12933 Log.i(TAG, "Processing container " + cid); 12934 String pkgName = getAsecPackageName(cid); 12935 if (pkgName == null) { 12936 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12937 continue; 12938 } 12939 if (DEBUG_SD_INSTALL) 12940 Log.i(TAG, "Looking for pkg : " + pkgName); 12941 12942 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12943 if (ps == null) { 12944 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12945 continue; 12946 } 12947 12948 /* 12949 * Skip packages that are not external if we're unmounting 12950 * external storage. 12951 */ 12952 if (externalStorage && !isMounted && !isExternal(ps)) { 12953 continue; 12954 } 12955 12956 final AsecInstallArgs args = new AsecInstallArgs(cid, 12957 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12958 // The package status is changed only if the code path 12959 // matches between settings and the container id. 12960 if (ps.codePathString != null 12961 && ps.codePathString.startsWith(args.getCodePath())) { 12962 if (DEBUG_SD_INSTALL) { 12963 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12964 + " at code path: " + ps.codePathString); 12965 } 12966 12967 // We do have a valid package installed on sdcard 12968 processCids.put(args, ps.codePathString); 12969 final int uid = ps.appId; 12970 if (uid != -1) { 12971 uidArr = ArrayUtils.appendInt(uidArr, uid); 12972 } 12973 } else { 12974 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12975 + ps.codePathString); 12976 } 12977 } 12978 } 12979 12980 Arrays.sort(uidArr); 12981 } 12982 12983 // Process packages with valid entries. 12984 if (isMounted) { 12985 if (DEBUG_SD_INSTALL) 12986 Log.i(TAG, "Loading packages"); 12987 loadMediaPackages(processCids, uidArr); 12988 startCleaningPackages(); 12989 mInstallerService.onSecureContainersAvailable(); 12990 } else { 12991 if (DEBUG_SD_INSTALL) 12992 Log.i(TAG, "Unloading packages"); 12993 unloadMediaPackages(processCids, uidArr, reportStatus); 12994 } 12995 } 12996 12997 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12998 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12999 int size = pkgList.size(); 13000 if (size > 0) { 13001 // Send broadcasts here 13002 Bundle extras = new Bundle(); 13003 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 13004 .toArray(new String[size])); 13005 if (uidArr != null) { 13006 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 13007 } 13008 if (replacing) { 13009 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 13010 } 13011 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 13012 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 13013 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 13014 } 13015 } 13016 13017 /* 13018 * Look at potentially valid container ids from processCids If package 13019 * information doesn't match the one on record or package scanning fails, 13020 * the cid is added to list of removeCids. We currently don't delete stale 13021 * containers. 13022 */ 13023 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 13024 ArrayList<String> pkgList = new ArrayList<String>(); 13025 Set<AsecInstallArgs> keys = processCids.keySet(); 13026 13027 for (AsecInstallArgs args : keys) { 13028 String codePath = processCids.get(args); 13029 if (DEBUG_SD_INSTALL) 13030 Log.i(TAG, "Loading container : " + args.cid); 13031 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13032 try { 13033 // Make sure there are no container errors first. 13034 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 13035 Slog.e(TAG, "Failed to mount cid : " + args.cid 13036 + " when installing from sdcard"); 13037 continue; 13038 } 13039 // Check code path here. 13040 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 13041 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 13042 + " does not match one in settings " + codePath); 13043 continue; 13044 } 13045 // Parse package 13046 int parseFlags = mDefParseFlags; 13047 if (args.isExternal()) { 13048 parseFlags |= PackageParser.PARSE_ON_SDCARD; 13049 } 13050 if (args.isFwdLocked()) { 13051 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 13052 } 13053 13054 synchronized (mInstallLock) { 13055 PackageParser.Package pkg = null; 13056 try { 13057 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 13058 } catch (PackageManagerException e) { 13059 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 13060 } 13061 // Scan the package 13062 if (pkg != null) { 13063 /* 13064 * TODO why is the lock being held? doPostInstall is 13065 * called in other places without the lock. This needs 13066 * to be straightened out. 13067 */ 13068 // writer 13069 synchronized (mPackages) { 13070 retCode = PackageManager.INSTALL_SUCCEEDED; 13071 pkgList.add(pkg.packageName); 13072 // Post process args 13073 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 13074 pkg.applicationInfo.uid); 13075 } 13076 } else { 13077 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 13078 } 13079 } 13080 13081 } finally { 13082 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 13083 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 13084 } 13085 } 13086 } 13087 // writer 13088 synchronized (mPackages) { 13089 // If the platform SDK has changed since the last time we booted, 13090 // we need to re-grant app permission to catch any new ones that 13091 // appear. This is really a hack, and means that apps can in some 13092 // cases get permissions that the user didn't initially explicitly 13093 // allow... it would be nice to have some better way to handle 13094 // this situation. 13095 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 13096 if (regrantPermissions) 13097 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 13098 + mSdkVersion + "; regranting permissions for external storage"); 13099 mSettings.mExternalSdkPlatform = mSdkVersion; 13100 13101 // Make sure group IDs have been assigned, and any permission 13102 // changes in other apps are accounted for 13103 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 13104 | (regrantPermissions 13105 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 13106 : 0)); 13107 13108 mSettings.updateExternalDatabaseVersion(); 13109 13110 // can downgrade to reader 13111 // Persist settings 13112 mSettings.writeLPr(); 13113 } 13114 // Send a broadcast to let everyone know we are done processing 13115 if (pkgList.size() > 0) { 13116 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13117 } 13118 } 13119 13120 /* 13121 * Utility method to unload a list of specified containers 13122 */ 13123 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 13124 // Just unmount all valid containers. 13125 for (AsecInstallArgs arg : cidArgs) { 13126 synchronized (mInstallLock) { 13127 arg.doPostDeleteLI(false); 13128 } 13129 } 13130 } 13131 13132 /* 13133 * Unload packages mounted on external media. This involves deleting package 13134 * data from internal structures, sending broadcasts about diabled packages, 13135 * gc'ing to free up references, unmounting all secure containers 13136 * corresponding to packages on external media, and posting a 13137 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 13138 * that we always have to post this message if status has been requested no 13139 * matter what. 13140 */ 13141 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 13142 final boolean reportStatus) { 13143 if (DEBUG_SD_INSTALL) 13144 Log.i(TAG, "unloading media packages"); 13145 ArrayList<String> pkgList = new ArrayList<String>(); 13146 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 13147 final Set<AsecInstallArgs> keys = processCids.keySet(); 13148 for (AsecInstallArgs args : keys) { 13149 String pkgName = args.getPackageName(); 13150 if (DEBUG_SD_INSTALL) 13151 Log.i(TAG, "Trying to unload pkg : " + pkgName); 13152 // Delete package internally 13153 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 13154 synchronized (mInstallLock) { 13155 boolean res = deletePackageLI(pkgName, null, false, null, null, 13156 PackageManager.DELETE_KEEP_DATA, outInfo, false); 13157 if (res) { 13158 pkgList.add(pkgName); 13159 } else { 13160 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 13161 failedList.add(args); 13162 } 13163 } 13164 } 13165 13166 // reader 13167 synchronized (mPackages) { 13168 // We didn't update the settings after removing each package; 13169 // write them now for all packages. 13170 mSettings.writeLPr(); 13171 } 13172 13173 // We have to absolutely send UPDATED_MEDIA_STATUS only 13174 // after confirming that all the receivers processed the ordered 13175 // broadcast when packages get disabled, force a gc to clean things up. 13176 // and unload all the containers. 13177 if (pkgList.size() > 0) { 13178 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13179 new IIntentReceiver.Stub() { 13180 public void performReceive(Intent intent, int resultCode, String data, 13181 Bundle extras, boolean ordered, boolean sticky, 13182 int sendingUser) throws RemoteException { 13183 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13184 reportStatus ? 1 : 0, 1, keys); 13185 mHandler.sendMessage(msg); 13186 } 13187 }); 13188 } else { 13189 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13190 keys); 13191 mHandler.sendMessage(msg); 13192 } 13193 } 13194 13195 /** Binder call */ 13196 @Override 13197 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13198 final int flags) { 13199 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13200 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13201 int returnCode = PackageManager.MOVE_SUCCEEDED; 13202 int currInstallFlags = 0; 13203 int newInstallFlags = 0; 13204 13205 File codeFile = null; 13206 String installerPackageName = null; 13207 String packageAbiOverride = null; 13208 13209 // reader 13210 synchronized (mPackages) { 13211 final PackageParser.Package pkg = mPackages.get(packageName); 13212 final PackageSetting ps = mSettings.mPackages.get(packageName); 13213 if (pkg == null || ps == null) { 13214 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13215 } else { 13216 // Disable moving fwd locked apps and system packages 13217 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13218 Slog.w(TAG, "Cannot move system application"); 13219 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13220 } else if (pkg.mOperationPending) { 13221 Slog.w(TAG, "Attempt to move package which has pending operations"); 13222 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13223 } else { 13224 // Find install location first 13225 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13226 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13227 Slog.w(TAG, "Ambigous flags specified for move location."); 13228 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13229 } else { 13230 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13231 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13232 currInstallFlags = isExternal(pkg) 13233 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13234 13235 if (newInstallFlags == currInstallFlags) { 13236 Slog.w(TAG, "No move required. Trying to move to same location"); 13237 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13238 } else { 13239 if (isForwardLocked(pkg)) { 13240 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13241 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13242 } 13243 } 13244 } 13245 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13246 pkg.mOperationPending = true; 13247 } 13248 } 13249 13250 codeFile = new File(pkg.codePath); 13251 installerPackageName = ps.installerPackageName; 13252 packageAbiOverride = ps.cpuAbiOverrideString; 13253 } 13254 } 13255 13256 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13257 try { 13258 observer.packageMoved(packageName, returnCode); 13259 } catch (RemoteException ignored) { 13260 } 13261 return; 13262 } 13263 13264 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13265 @Override 13266 public void onUserActionRequired(Intent intent) throws RemoteException { 13267 throw new IllegalStateException(); 13268 } 13269 13270 @Override 13271 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13272 Bundle extras) throws RemoteException { 13273 Slog.d(TAG, "Install result for move: " 13274 + PackageManager.installStatusToString(returnCode, msg)); 13275 13276 // We usually have a new package now after the install, but if 13277 // we failed we need to clear the pending flag on the original 13278 // package object. 13279 synchronized (mPackages) { 13280 final PackageParser.Package pkg = mPackages.get(packageName); 13281 if (pkg != null) { 13282 pkg.mOperationPending = false; 13283 } 13284 } 13285 13286 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13287 switch (status) { 13288 case PackageInstaller.STATUS_SUCCESS: 13289 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13290 break; 13291 case PackageInstaller.STATUS_FAILURE_STORAGE: 13292 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13293 break; 13294 default: 13295 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13296 break; 13297 } 13298 } 13299 }; 13300 13301 // Treat a move like reinstalling an existing app, which ensures that we 13302 // process everythign uniformly, like unpacking native libraries. 13303 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13304 13305 final Message msg = mHandler.obtainMessage(INIT_COPY); 13306 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13307 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13308 installerPackageName, null, user, packageAbiOverride); 13309 mHandler.sendMessage(msg); 13310 } 13311 13312 @Override 13313 public boolean setInstallLocation(int loc) { 13314 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13315 null); 13316 if (getInstallLocation() == loc) { 13317 return true; 13318 } 13319 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13320 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13321 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13322 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13323 return true; 13324 } 13325 return false; 13326 } 13327 13328 @Override 13329 public int getInstallLocation() { 13330 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13331 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13332 PackageHelper.APP_INSTALL_AUTO); 13333 } 13334 13335 /** Called by UserManagerService */ 13336 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13337 mDirtyUsers.remove(userHandle); 13338 mSettings.removeUserLPw(userHandle); 13339 mPendingBroadcasts.remove(userHandle); 13340 if (mInstaller != null) { 13341 // Technically, we shouldn't be doing this with the package lock 13342 // held. However, this is very rare, and there is already so much 13343 // other disk I/O going on, that we'll let it slide for now. 13344 mInstaller.removeUserDataDirs(userHandle); 13345 } 13346 mUserNeedsBadging.delete(userHandle); 13347 removeUnusedPackagesLILPw(userManager, userHandle); 13348 } 13349 13350 /** 13351 * We're removing userHandle and would like to remove any downloaded packages 13352 * that are no longer in use by any other user. 13353 * @param userHandle the user being removed 13354 */ 13355 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13356 final boolean DEBUG_CLEAN_APKS = false; 13357 int [] users = userManager.getUserIdsLPr(); 13358 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13359 while (psit.hasNext()) { 13360 PackageSetting ps = psit.next(); 13361 if (ps.pkg == null) { 13362 continue; 13363 } 13364 final String packageName = ps.pkg.packageName; 13365 // Skip over if system app 13366 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13367 continue; 13368 } 13369 if (DEBUG_CLEAN_APKS) { 13370 Slog.i(TAG, "Checking package " + packageName); 13371 } 13372 boolean keep = false; 13373 for (int i = 0; i < users.length; i++) { 13374 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13375 keep = true; 13376 if (DEBUG_CLEAN_APKS) { 13377 Slog.i(TAG, " Keeping package " + packageName + " for user " 13378 + users[i]); 13379 } 13380 break; 13381 } 13382 } 13383 if (!keep) { 13384 if (DEBUG_CLEAN_APKS) { 13385 Slog.i(TAG, " Removing package " + packageName); 13386 } 13387 mHandler.post(new Runnable() { 13388 public void run() { 13389 deletePackageX(packageName, userHandle, 0); 13390 } //end run 13391 }); 13392 } 13393 } 13394 } 13395 13396 /** Called by UserManagerService */ 13397 void createNewUserLILPw(int userHandle, File path) { 13398 if (mInstaller != null) { 13399 mInstaller.createUserConfig(userHandle); 13400 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13401 } 13402 } 13403 13404 @Override 13405 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13406 mContext.enforceCallingOrSelfPermission( 13407 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13408 "Only package verification agents can read the verifier device identity"); 13409 13410 synchronized (mPackages) { 13411 return mSettings.getVerifierDeviceIdentityLPw(); 13412 } 13413 } 13414 13415 @Override 13416 public void setPermissionEnforced(String permission, boolean enforced) { 13417 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13418 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13419 synchronized (mPackages) { 13420 if (mSettings.mReadExternalStorageEnforced == null 13421 || mSettings.mReadExternalStorageEnforced != enforced) { 13422 mSettings.mReadExternalStorageEnforced = enforced; 13423 mSettings.writeLPr(); 13424 } 13425 } 13426 // kill any non-foreground processes so we restart them and 13427 // grant/revoke the GID. 13428 final IActivityManager am = ActivityManagerNative.getDefault(); 13429 if (am != null) { 13430 final long token = Binder.clearCallingIdentity(); 13431 try { 13432 am.killProcessesBelowForeground("setPermissionEnforcement"); 13433 } catch (RemoteException e) { 13434 } finally { 13435 Binder.restoreCallingIdentity(token); 13436 } 13437 } 13438 } else { 13439 throw new IllegalArgumentException("No selective enforcement for " + permission); 13440 } 13441 } 13442 13443 @Override 13444 @Deprecated 13445 public boolean isPermissionEnforced(String permission) { 13446 return true; 13447 } 13448 13449 @Override 13450 public boolean isStorageLow() { 13451 final long token = Binder.clearCallingIdentity(); 13452 try { 13453 final DeviceStorageMonitorInternal 13454 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13455 if (dsm != null) { 13456 return dsm.isMemoryLow(); 13457 } else { 13458 return false; 13459 } 13460 } finally { 13461 Binder.restoreCallingIdentity(token); 13462 } 13463 } 13464 13465 @Override 13466 public IPackageInstaller getPackageInstaller() { 13467 return mInstallerService; 13468 } 13469 13470 private boolean userNeedsBadging(int userId) { 13471 int index = mUserNeedsBadging.indexOfKey(userId); 13472 if (index < 0) { 13473 final UserInfo userInfo; 13474 final long token = Binder.clearCallingIdentity(); 13475 try { 13476 userInfo = sUserManager.getUserInfo(userId); 13477 } finally { 13478 Binder.restoreCallingIdentity(token); 13479 } 13480 final boolean b; 13481 if (userInfo != null && userInfo.isManagedProfile()) { 13482 b = true; 13483 } else { 13484 b = false; 13485 } 13486 mUserNeedsBadging.put(userId, b); 13487 return b; 13488 } 13489 return mUserNeedsBadging.valueAt(index); 13490 } 13491 13492 @Override 13493 public KeySet getKeySetByAlias(String packageName, String alias) { 13494 if (packageName == null || alias == null) { 13495 return null; 13496 } 13497 synchronized(mPackages) { 13498 final PackageParser.Package pkg = mPackages.get(packageName); 13499 if (pkg == null) { 13500 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13501 throw new IllegalArgumentException("Unknown package: " + packageName); 13502 } 13503 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13504 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13505 } 13506 } 13507 13508 @Override 13509 public KeySet getSigningKeySet(String packageName) { 13510 if (packageName == null) { 13511 return null; 13512 } 13513 synchronized(mPackages) { 13514 final PackageParser.Package pkg = mPackages.get(packageName); 13515 if (pkg == null) { 13516 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13517 throw new IllegalArgumentException("Unknown package: " + packageName); 13518 } 13519 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13520 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13521 throw new SecurityException("May not access signing KeySet of other apps."); 13522 } 13523 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13524 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13525 } 13526 } 13527 13528 @Override 13529 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13530 if (packageName == null || ks == null) { 13531 return false; 13532 } 13533 synchronized(mPackages) { 13534 final PackageParser.Package pkg = mPackages.get(packageName); 13535 if (pkg == null) { 13536 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13537 throw new IllegalArgumentException("Unknown package: " + packageName); 13538 } 13539 IBinder ksh = ks.getToken(); 13540 if (ksh instanceof KeySetHandle) { 13541 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13542 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13543 } 13544 return false; 13545 } 13546 } 13547 13548 @Override 13549 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13550 if (packageName == null || ks == null) { 13551 return false; 13552 } 13553 synchronized(mPackages) { 13554 final PackageParser.Package pkg = mPackages.get(packageName); 13555 if (pkg == null) { 13556 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13557 throw new IllegalArgumentException("Unknown package: " + packageName); 13558 } 13559 IBinder ksh = ks.getToken(); 13560 if (ksh instanceof KeySetHandle) { 13561 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13562 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13563 } 13564 return false; 13565 } 13566 } 13567 13568 public void getUsageStatsIfNoPackageUsageInfo() { 13569 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 13570 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 13571 if (usm == null) { 13572 throw new IllegalStateException("UsageStatsManager must be initialized"); 13573 } 13574 long now = System.currentTimeMillis(); 13575 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 13576 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 13577 String packageName = entry.getKey(); 13578 PackageParser.Package pkg = mPackages.get(packageName); 13579 if (pkg == null) { 13580 continue; 13581 } 13582 UsageStats usage = entry.getValue(); 13583 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 13584 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 13585 } 13586 } 13587 } 13588 13589 /** 13590 * Check and throw if the given before/after packages would be considered a 13591 * downgrade. 13592 */ 13593 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 13594 throws PackageManagerException { 13595 if (after.versionCode < before.mVersionCode) { 13596 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13597 "Update version code " + after.versionCode + " is older than current " 13598 + before.mVersionCode); 13599 } else if (after.versionCode == before.mVersionCode) { 13600 if (after.baseRevisionCode < before.baseRevisionCode) { 13601 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13602 "Update base revision code " + after.baseRevisionCode 13603 + " is older than current " + before.baseRevisionCode); 13604 } 13605 13606 if (!ArrayUtils.isEmpty(after.splitNames)) { 13607 for (int i = 0; i < after.splitNames.length; i++) { 13608 final String splitName = after.splitNames[i]; 13609 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 13610 if (j != -1) { 13611 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 13612 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 13613 "Update split " + splitName + " revision code " 13614 + after.splitRevisionCodes[i] + " is older than current " 13615 + before.splitRevisionCodes[j]); 13616 } 13617 } 13618 } 13619 } 13620 } 13621 } 13622} 13623