PackageManagerService.java revision 272bf3a274daff62995caf05da338c1f2a73dae3
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_FORWARD_LOCK; 45import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 46import static android.content.pm.PackageParser.isApkFile; 47import static android.os.Process.PACKAGE_INFO_GID; 48import static android.os.Process.SYSTEM_UID; 49import static android.system.OsConstants.O_CREAT; 50import static android.system.OsConstants.O_RDWR; 51import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 53import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 54import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 55import static com.android.internal.util.ArrayUtils.appendInt; 56import static com.android.internal.util.ArrayUtils.removeInt; 57 58import android.util.ArrayMap; 59 60import com.android.internal.R; 61import com.android.internal.app.IMediaContainerService; 62import com.android.internal.app.ResolverActivity; 63import com.android.internal.content.NativeLibraryHelper; 64import com.android.internal.content.PackageHelper; 65import com.android.internal.os.IParcelFileDescriptorFactory; 66import com.android.internal.util.ArrayUtils; 67import com.android.internal.util.FastPrintWriter; 68import com.android.internal.util.FastXmlSerializer; 69import com.android.internal.util.IndentingPrintWriter; 70import com.android.server.EventLogTags; 71import com.android.server.IntentResolver; 72import com.android.server.LocalServices; 73import com.android.server.ServiceThread; 74import com.android.server.SystemConfig; 75import com.android.server.Watchdog; 76import com.android.server.pm.Settings.DatabaseVersion; 77import com.android.server.storage.DeviceStorageMonitorInternal; 78 79import org.xmlpull.v1.XmlSerializer; 80 81import android.app.ActivityManager; 82import android.app.ActivityManagerNative; 83import android.app.AppGlobals; 84import android.app.IActivityManager; 85import android.app.admin.IDevicePolicyManager; 86import android.app.backup.IBackupManager; 87import android.content.BroadcastReceiver; 88import android.content.ComponentName; 89import android.content.Context; 90import android.content.IIntentReceiver; 91import android.content.Intent; 92import android.content.IntentFilter; 93import android.content.IntentSender; 94import android.content.IntentSender.SendIntentException; 95import android.content.ServiceConnection; 96import android.content.pm.ActivityInfo; 97import android.content.pm.ApplicationInfo; 98import android.content.pm.FeatureInfo; 99import android.content.pm.IPackageDataObserver; 100import android.content.pm.IPackageDeleteObserver; 101import android.content.pm.IPackageDeleteObserver2; 102import android.content.pm.IPackageInstallObserver2; 103import android.content.pm.IPackageInstaller; 104import android.content.pm.IPackageManager; 105import android.content.pm.IPackageMoveObserver; 106import android.content.pm.IPackageStatsObserver; 107import android.content.pm.InstrumentationInfo; 108import android.content.pm.KeySet; 109import android.content.pm.ManifestDigest; 110import android.content.pm.PackageCleanItem; 111import android.content.pm.PackageInfo; 112import android.content.pm.PackageInfoLite; 113import android.content.pm.PackageInstaller; 114import android.content.pm.PackageManager; 115import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 116import android.content.pm.PackageParser.ActivityIntentInfo; 117import android.content.pm.PackageParser.PackageLite; 118import android.content.pm.PackageParser.PackageParserException; 119import android.content.pm.PackageParser; 120import android.content.pm.PackageStats; 121import android.content.pm.PackageUserState; 122import android.content.pm.ParceledListSlice; 123import android.content.pm.PermissionGroupInfo; 124import android.content.pm.PermissionInfo; 125import android.content.pm.ProviderInfo; 126import android.content.pm.ResolveInfo; 127import android.content.pm.ServiceInfo; 128import android.content.pm.Signature; 129import android.content.pm.UserInfo; 130import android.content.pm.VerificationParams; 131import android.content.pm.VerifierDeviceIdentity; 132import android.content.pm.VerifierInfo; 133import android.content.res.Resources; 134import android.hardware.display.DisplayManager; 135import android.net.Uri; 136import android.os.Binder; 137import android.os.Build; 138import android.os.Bundle; 139import android.os.Environment; 140import android.os.Environment.UserEnvironment; 141import android.os.storage.StorageManager; 142import android.os.Debug; 143import android.os.FileUtils; 144import android.os.Handler; 145import android.os.IBinder; 146import android.os.Looper; 147import android.os.Message; 148import android.os.Parcel; 149import android.os.ParcelFileDescriptor; 150import android.os.Process; 151import android.os.RemoteException; 152import android.os.SELinux; 153import android.os.ServiceManager; 154import android.os.SystemClock; 155import android.os.SystemProperties; 156import android.os.UserHandle; 157import android.os.UserManager; 158import android.security.KeyStore; 159import android.security.SystemKeyStore; 160import android.system.ErrnoException; 161import android.system.Os; 162import android.system.StructStat; 163import android.text.TextUtils; 164import android.util.ArraySet; 165import android.util.AtomicFile; 166import android.util.DisplayMetrics; 167import android.util.EventLog; 168import android.util.ExceptionUtils; 169import android.util.Log; 170import android.util.LogPrinter; 171import android.util.PrintStreamPrinter; 172import android.util.Slog; 173import android.util.SparseArray; 174import android.util.SparseBooleanArray; 175import android.view.Display; 176 177import java.io.BufferedInputStream; 178import java.io.BufferedOutputStream; 179import java.io.BufferedReader; 180import java.io.File; 181import java.io.FileDescriptor; 182import java.io.FileInputStream; 183import java.io.FileNotFoundException; 184import java.io.FileOutputStream; 185import java.io.FileReader; 186import java.io.FilenameFilter; 187import java.io.IOException; 188import java.io.InputStream; 189import java.io.PrintWriter; 190import java.nio.charset.StandardCharsets; 191import java.security.NoSuchAlgorithmException; 192import java.security.PublicKey; 193import java.security.cert.CertificateEncodingException; 194import java.security.cert.CertificateException; 195import java.text.SimpleDateFormat; 196import java.util.ArrayList; 197import java.util.Arrays; 198import java.util.Collection; 199import java.util.Collections; 200import java.util.Comparator; 201import java.util.Date; 202import java.util.HashMap; 203import java.util.HashSet; 204import java.util.Iterator; 205import java.util.List; 206import java.util.Map; 207import java.util.Objects; 208import java.util.Set; 209import java.util.concurrent.atomic.AtomicBoolean; 210import java.util.concurrent.atomic.AtomicLong; 211 212import dalvik.system.DexFile; 213import dalvik.system.StaleDexCacheError; 214import dalvik.system.VMRuntime; 215 216import libcore.io.IoUtils; 217import libcore.util.EmptyArray; 218 219/** 220 * Keep track of all those .apks everywhere. 221 * 222 * This is very central to the platform's security; please run the unit 223 * tests whenever making modifications here: 224 * 225mmm frameworks/base/tests/AndroidTests 226adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 227adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 228 * 229 * {@hide} 230 */ 231public class PackageManagerService extends IPackageManager.Stub { 232 static final String TAG = "PackageManager"; 233 static final boolean DEBUG_SETTINGS = false; 234 static final boolean DEBUG_PREFERRED = false; 235 static final boolean DEBUG_UPGRADE = false; 236 private static final boolean DEBUG_INSTALL = false; 237 private static final boolean DEBUG_REMOVE = false; 238 private static final boolean DEBUG_BROADCASTS = false; 239 private static final boolean DEBUG_SHOW_INFO = false; 240 private static final boolean DEBUG_PACKAGE_INFO = false; 241 private static final boolean DEBUG_INTENT_MATCHING = false; 242 private static final boolean DEBUG_PACKAGE_SCANNING = false; 243 private static final boolean DEBUG_VERIFY = false; 244 private static final boolean DEBUG_DEXOPT = false; 245 private static final boolean DEBUG_ABI_SELECTION = false; 246 247 private static final int RADIO_UID = Process.PHONE_UID; 248 private static final int LOG_UID = Process.LOG_UID; 249 private static final int NFC_UID = Process.NFC_UID; 250 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 251 private static final int SHELL_UID = Process.SHELL_UID; 252 253 // Cap the size of permission trees that 3rd party apps can define 254 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 255 256 // Suffix used during package installation when copying/moving 257 // package apks to install directory. 258 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 259 260 static final int SCAN_NO_DEX = 1<<1; 261 static final int SCAN_FORCE_DEX = 1<<2; 262 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 263 static final int SCAN_NEW_INSTALL = 1<<4; 264 static final int SCAN_NO_PATHS = 1<<5; 265 static final int SCAN_UPDATE_TIME = 1<<6; 266 static final int SCAN_DEFER_DEX = 1<<7; 267 static final int SCAN_BOOTING = 1<<8; 268 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 269 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 270 static final int SCAN_REPLACING = 1<<11; 271 272 static final int REMOVE_CHATTY = 1<<16; 273 274 /** 275 * Timeout (in milliseconds) after which the watchdog should declare that 276 * our handler thread is wedged. The usual default for such things is one 277 * minute but we sometimes do very lengthy I/O operations on this thread, 278 * such as installing multi-gigabyte applications, so ours needs to be longer. 279 */ 280 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 281 282 /** 283 * Whether verification is enabled by default. 284 */ 285 private static final boolean DEFAULT_VERIFY_ENABLE = true; 286 287 /** 288 * The default maximum time to wait for the verification agent to return in 289 * milliseconds. 290 */ 291 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 292 293 /** 294 * The default response for package verification timeout. 295 * 296 * This can be either PackageManager.VERIFICATION_ALLOW or 297 * PackageManager.VERIFICATION_REJECT. 298 */ 299 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 300 301 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 302 303 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 304 DEFAULT_CONTAINER_PACKAGE, 305 "com.android.defcontainer.DefaultContainerService"); 306 307 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 308 309 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 310 311 private static String sPreferredInstructionSet; 312 313 final ServiceThread mHandlerThread; 314 315 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 316 private static final String IDMAP_SUFFIX = "@idmap"; 317 318 final PackageHandler mHandler; 319 320 /** 321 * Messages for {@link #mHandler} that need to wait for system ready before 322 * being dispatched. 323 */ 324 private ArrayList<Message> mPostSystemReadyMessages; 325 326 final int mSdkVersion = Build.VERSION.SDK_INT; 327 328 final Context mContext; 329 final boolean mFactoryTest; 330 final boolean mOnlyCore; 331 final boolean mLazyDexOpt; 332 final DisplayMetrics mMetrics; 333 final int mDefParseFlags; 334 final String[] mSeparateProcesses; 335 336 // This is where all application persistent data goes. 337 final File mAppDataDir; 338 339 // This is where all application persistent data goes for secondary users. 340 final File mUserAppDataDir; 341 342 /** The location for ASEC container files on internal storage. */ 343 final String mAsecInternalPath; 344 345 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 346 // LOCK HELD. Can be called with mInstallLock held. 347 final Installer mInstaller; 348 349 /** Directory where installed third-party apps stored */ 350 final File mAppInstallDir; 351 352 /** 353 * Directory to which applications installed internally have their 354 * 32 bit native libraries copied. 355 */ 356 private File mAppLib32InstallDir; 357 358 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 359 // apps. 360 final File mDrmAppPrivateInstallDir; 361 362 // ---------------------------------------------------------------- 363 364 // Lock for state used when installing and doing other long running 365 // operations. Methods that must be called with this lock held have 366 // the suffix "LI". 367 final Object mInstallLock = new Object(); 368 369 // ---------------------------------------------------------------- 370 371 // Keys are String (package name), values are Package. This also serves 372 // as the lock for the global state. Methods that must be called with 373 // this lock held have the prefix "LP". 374 final HashMap<String, PackageParser.Package> mPackages = 375 new HashMap<String, PackageParser.Package>(); 376 377 // Tracks available target package names -> overlay package paths. 378 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 379 new HashMap<String, HashMap<String, PackageParser.Package>>(); 380 381 final Settings mSettings; 382 boolean mRestoredSettings; 383 384 // System configuration read by SystemConfig. 385 final int[] mGlobalGids; 386 final SparseArray<HashSet<String>> mSystemPermissions; 387 final HashMap<String, FeatureInfo> mAvailableFeatures; 388 389 // If mac_permissions.xml was found for seinfo labeling. 390 boolean mFoundPolicyFile; 391 392 // If a recursive restorecon of /data/data/<pkg> is needed. 393 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 394 395 public static final class SharedLibraryEntry { 396 public final String path; 397 public final String apk; 398 399 SharedLibraryEntry(String _path, String _apk) { 400 path = _path; 401 apk = _apk; 402 } 403 } 404 405 // Currently known shared libraries. 406 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 407 new HashMap<String, SharedLibraryEntry>(); 408 409 // All available activities, for your resolving pleasure. 410 final ActivityIntentResolver mActivities = 411 new ActivityIntentResolver(); 412 413 // All available receivers, for your resolving pleasure. 414 final ActivityIntentResolver mReceivers = 415 new ActivityIntentResolver(); 416 417 // All available services, for your resolving pleasure. 418 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 419 420 // All available providers, for your resolving pleasure. 421 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 422 423 // Mapping from provider base names (first directory in content URI codePath) 424 // to the provider information. 425 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 426 new HashMap<String, PackageParser.Provider>(); 427 428 // Mapping from instrumentation class names to info about them. 429 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 430 new HashMap<ComponentName, PackageParser.Instrumentation>(); 431 432 // Mapping from permission names to info about them. 433 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 434 new HashMap<String, PackageParser.PermissionGroup>(); 435 436 // Packages whose data we have transfered into another package, thus 437 // should no longer exist. 438 final HashSet<String> mTransferedPackages = new HashSet<String>(); 439 440 // Broadcast actions that are only available to the system. 441 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 442 443 /** List of packages waiting for verification. */ 444 final SparseArray<PackageVerificationState> mPendingVerification 445 = new SparseArray<PackageVerificationState>(); 446 447 /** Set of packages associated with each app op permission. */ 448 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 449 450 final PackageInstallerService mInstallerService; 451 452 HashSet<PackageParser.Package> mDeferredDexOpt = null; 453 454 // Cache of users who need badging. 455 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 456 457 /** Token for keys in mPendingVerification. */ 458 private int mPendingVerificationToken = 0; 459 460 volatile boolean mSystemReady; 461 volatile boolean mSafeMode; 462 volatile boolean mHasSystemUidErrors; 463 464 ApplicationInfo mAndroidApplication; 465 final ActivityInfo mResolveActivity = new ActivityInfo(); 466 final ResolveInfo mResolveInfo = new ResolveInfo(); 467 ComponentName mResolveComponentName; 468 PackageParser.Package mPlatformPackage; 469 ComponentName mCustomResolverComponentName; 470 471 boolean mResolverReplaced = false; 472 473 // Set of pending broadcasts for aggregating enable/disable of components. 474 static class PendingPackageBroadcasts { 475 // for each user id, a map of <package name -> components within that package> 476 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 477 478 public PendingPackageBroadcasts() { 479 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 480 } 481 482 public ArrayList<String> get(int userId, String packageName) { 483 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 484 return packages.get(packageName); 485 } 486 487 public void put(int userId, String packageName, ArrayList<String> components) { 488 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 489 packages.put(packageName, components); 490 } 491 492 public void remove(int userId, String packageName) { 493 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 494 if (packages != null) { 495 packages.remove(packageName); 496 } 497 } 498 499 public void remove(int userId) { 500 mUidMap.remove(userId); 501 } 502 503 public int userIdCount() { 504 return mUidMap.size(); 505 } 506 507 public int userIdAt(int n) { 508 return mUidMap.keyAt(n); 509 } 510 511 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 512 return mUidMap.get(userId); 513 } 514 515 public int size() { 516 // total number of pending broadcast entries across all userIds 517 int num = 0; 518 for (int i = 0; i< mUidMap.size(); i++) { 519 num += mUidMap.valueAt(i).size(); 520 } 521 return num; 522 } 523 524 public void clear() { 525 mUidMap.clear(); 526 } 527 528 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 529 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 530 if (map == null) { 531 map = new HashMap<String, ArrayList<String>>(); 532 mUidMap.put(userId, map); 533 } 534 return map; 535 } 536 } 537 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 538 539 // Service Connection to remote media container service to copy 540 // package uri's from external media onto secure containers 541 // or internal storage. 542 private IMediaContainerService mContainerService = null; 543 544 static final int SEND_PENDING_BROADCAST = 1; 545 static final int MCS_BOUND = 3; 546 static final int END_COPY = 4; 547 static final int INIT_COPY = 5; 548 static final int MCS_UNBIND = 6; 549 static final int START_CLEANING_PACKAGE = 7; 550 static final int FIND_INSTALL_LOC = 8; 551 static final int POST_INSTALL = 9; 552 static final int MCS_RECONNECT = 10; 553 static final int MCS_GIVE_UP = 11; 554 static final int UPDATED_MEDIA_STATUS = 12; 555 static final int WRITE_SETTINGS = 13; 556 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 557 static final int PACKAGE_VERIFIED = 15; 558 static final int CHECK_PENDING_VERIFICATION = 16; 559 560 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 561 562 // Delay time in millisecs 563 static final int BROADCAST_DELAY = 10 * 1000; 564 565 static UserManagerService sUserManager; 566 567 // Stores a list of users whose package restrictions file needs to be updated 568 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 569 570 final private DefaultContainerConnection mDefContainerConn = 571 new DefaultContainerConnection(); 572 class DefaultContainerConnection implements ServiceConnection { 573 public void onServiceConnected(ComponentName name, IBinder service) { 574 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 575 IMediaContainerService imcs = 576 IMediaContainerService.Stub.asInterface(service); 577 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 578 } 579 580 public void onServiceDisconnected(ComponentName name) { 581 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 582 } 583 }; 584 585 // Recordkeeping of restore-after-install operations that are currently in flight 586 // between the Package Manager and the Backup Manager 587 class PostInstallData { 588 public InstallArgs args; 589 public PackageInstalledInfo res; 590 591 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 592 args = _a; 593 res = _r; 594 } 595 }; 596 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 597 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 598 599 private final String mRequiredVerifierPackage; 600 601 private final PackageUsage mPackageUsage = new PackageUsage(); 602 603 private class PackageUsage { 604 private static final int WRITE_INTERVAL 605 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 606 607 private final Object mFileLock = new Object(); 608 private final AtomicLong mLastWritten = new AtomicLong(0); 609 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 610 611 private boolean mIsHistoricalPackageUsageAvailable = true; 612 613 boolean isHistoricalPackageUsageAvailable() { 614 return mIsHistoricalPackageUsageAvailable; 615 } 616 617 void write(boolean force) { 618 if (force) { 619 writeInternal(); 620 return; 621 } 622 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 623 && !DEBUG_DEXOPT) { 624 return; 625 } 626 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 627 new Thread("PackageUsage_DiskWriter") { 628 @Override 629 public void run() { 630 try { 631 writeInternal(); 632 } finally { 633 mBackgroundWriteRunning.set(false); 634 } 635 } 636 }.start(); 637 } 638 } 639 640 private void writeInternal() { 641 synchronized (mPackages) { 642 synchronized (mFileLock) { 643 AtomicFile file = getFile(); 644 FileOutputStream f = null; 645 try { 646 f = file.startWrite(); 647 BufferedOutputStream out = new BufferedOutputStream(f); 648 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 649 StringBuilder sb = new StringBuilder(); 650 for (PackageParser.Package pkg : mPackages.values()) { 651 if (pkg.mLastPackageUsageTimeInMills == 0) { 652 continue; 653 } 654 sb.setLength(0); 655 sb.append(pkg.packageName); 656 sb.append(' '); 657 sb.append((long)pkg.mLastPackageUsageTimeInMills); 658 sb.append('\n'); 659 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 660 } 661 out.flush(); 662 file.finishWrite(f); 663 } catch (IOException e) { 664 if (f != null) { 665 file.failWrite(f); 666 } 667 Log.e(TAG, "Failed to write package usage times", e); 668 } 669 } 670 } 671 mLastWritten.set(SystemClock.elapsedRealtime()); 672 } 673 674 void readLP() { 675 synchronized (mFileLock) { 676 AtomicFile file = getFile(); 677 BufferedInputStream in = null; 678 try { 679 in = new BufferedInputStream(file.openRead()); 680 StringBuffer sb = new StringBuffer(); 681 while (true) { 682 String packageName = readToken(in, sb, ' '); 683 if (packageName == null) { 684 break; 685 } 686 String timeInMillisString = readToken(in, sb, '\n'); 687 if (timeInMillisString == null) { 688 throw new IOException("Failed to find last usage time for package " 689 + packageName); 690 } 691 PackageParser.Package pkg = mPackages.get(packageName); 692 if (pkg == null) { 693 continue; 694 } 695 long timeInMillis; 696 try { 697 timeInMillis = Long.parseLong(timeInMillisString.toString()); 698 } catch (NumberFormatException e) { 699 throw new IOException("Failed to parse " + timeInMillisString 700 + " as a long.", e); 701 } 702 pkg.mLastPackageUsageTimeInMills = timeInMillis; 703 } 704 } catch (FileNotFoundException expected) { 705 mIsHistoricalPackageUsageAvailable = false; 706 } catch (IOException e) { 707 Log.w(TAG, "Failed to read package usage times", e); 708 } finally { 709 IoUtils.closeQuietly(in); 710 } 711 } 712 mLastWritten.set(SystemClock.elapsedRealtime()); 713 } 714 715 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 716 throws IOException { 717 sb.setLength(0); 718 while (true) { 719 int ch = in.read(); 720 if (ch == -1) { 721 if (sb.length() == 0) { 722 return null; 723 } 724 throw new IOException("Unexpected EOF"); 725 } 726 if (ch == endOfToken) { 727 return sb.toString(); 728 } 729 sb.append((char)ch); 730 } 731 } 732 733 private AtomicFile getFile() { 734 File dataDir = Environment.getDataDirectory(); 735 File systemDir = new File(dataDir, "system"); 736 File fname = new File(systemDir, "package-usage.list"); 737 return new AtomicFile(fname); 738 } 739 } 740 741 class PackageHandler extends Handler { 742 private boolean mBound = false; 743 final ArrayList<HandlerParams> mPendingInstalls = 744 new ArrayList<HandlerParams>(); 745 746 private boolean connectToService() { 747 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 748 " DefaultContainerService"); 749 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 750 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 751 if (mContext.bindServiceAsUser(service, mDefContainerConn, 752 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 753 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 754 mBound = true; 755 return true; 756 } 757 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 758 return false; 759 } 760 761 private void disconnectService() { 762 mContainerService = null; 763 mBound = false; 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 mContext.unbindService(mDefContainerConn); 766 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 767 } 768 769 PackageHandler(Looper looper) { 770 super(looper); 771 } 772 773 public void handleMessage(Message msg) { 774 try { 775 doHandleMessage(msg); 776 } finally { 777 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 778 } 779 } 780 781 void doHandleMessage(Message msg) { 782 switch (msg.what) { 783 case INIT_COPY: { 784 HandlerParams params = (HandlerParams) msg.obj; 785 int idx = mPendingInstalls.size(); 786 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 787 // If a bind was already initiated we dont really 788 // need to do anything. The pending install 789 // will be processed later on. 790 if (!mBound) { 791 // If this is the only one pending we might 792 // have to bind to the service again. 793 if (!connectToService()) { 794 Slog.e(TAG, "Failed to bind to media container service"); 795 params.serviceError(); 796 return; 797 } else { 798 // Once we bind to the service, the first 799 // pending request will be processed. 800 mPendingInstalls.add(idx, params); 801 } 802 } else { 803 mPendingInstalls.add(idx, params); 804 // Already bound to the service. Just make 805 // sure we trigger off processing the first request. 806 if (idx == 0) { 807 mHandler.sendEmptyMessage(MCS_BOUND); 808 } 809 } 810 break; 811 } 812 case MCS_BOUND: { 813 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 814 if (msg.obj != null) { 815 mContainerService = (IMediaContainerService) msg.obj; 816 } 817 if (mContainerService == null) { 818 // Something seriously wrong. Bail out 819 Slog.e(TAG, "Cannot bind to media container service"); 820 for (HandlerParams params : mPendingInstalls) { 821 // Indicate service bind error 822 params.serviceError(); 823 } 824 mPendingInstalls.clear(); 825 } else if (mPendingInstalls.size() > 0) { 826 HandlerParams params = mPendingInstalls.get(0); 827 if (params != null) { 828 if (params.startCopy()) { 829 // We are done... look for more work or to 830 // go idle. 831 if (DEBUG_SD_INSTALL) Log.i(TAG, 832 "Checking for more work or unbind..."); 833 // Delete pending install 834 if (mPendingInstalls.size() > 0) { 835 mPendingInstalls.remove(0); 836 } 837 if (mPendingInstalls.size() == 0) { 838 if (mBound) { 839 if (DEBUG_SD_INSTALL) Log.i(TAG, 840 "Posting delayed MCS_UNBIND"); 841 removeMessages(MCS_UNBIND); 842 Message ubmsg = obtainMessage(MCS_UNBIND); 843 // Unbind after a little delay, to avoid 844 // continual thrashing. 845 sendMessageDelayed(ubmsg, 10000); 846 } 847 } else { 848 // There are more pending requests in queue. 849 // Just post MCS_BOUND message to trigger processing 850 // of next pending install. 851 if (DEBUG_SD_INSTALL) Log.i(TAG, 852 "Posting MCS_BOUND for next work"); 853 mHandler.sendEmptyMessage(MCS_BOUND); 854 } 855 } 856 } 857 } else { 858 // Should never happen ideally. 859 Slog.w(TAG, "Empty queue"); 860 } 861 break; 862 } 863 case MCS_RECONNECT: { 864 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 865 if (mPendingInstalls.size() > 0) { 866 if (mBound) { 867 disconnectService(); 868 } 869 if (!connectToService()) { 870 Slog.e(TAG, "Failed to bind to media container service"); 871 for (HandlerParams params : mPendingInstalls) { 872 // Indicate service bind error 873 params.serviceError(); 874 } 875 mPendingInstalls.clear(); 876 } 877 } 878 break; 879 } 880 case MCS_UNBIND: { 881 // If there is no actual work left, then time to unbind. 882 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 883 884 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 885 if (mBound) { 886 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 887 888 disconnectService(); 889 } 890 } else if (mPendingInstalls.size() > 0) { 891 // There are more pending requests in queue. 892 // Just post MCS_BOUND message to trigger processing 893 // of next pending install. 894 mHandler.sendEmptyMessage(MCS_BOUND); 895 } 896 897 break; 898 } 899 case MCS_GIVE_UP: { 900 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 901 mPendingInstalls.remove(0); 902 break; 903 } 904 case SEND_PENDING_BROADCAST: { 905 String packages[]; 906 ArrayList<String> components[]; 907 int size = 0; 908 int uids[]; 909 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 910 synchronized (mPackages) { 911 if (mPendingBroadcasts == null) { 912 return; 913 } 914 size = mPendingBroadcasts.size(); 915 if (size <= 0) { 916 // Nothing to be done. Just return 917 return; 918 } 919 packages = new String[size]; 920 components = new ArrayList[size]; 921 uids = new int[size]; 922 int i = 0; // filling out the above arrays 923 924 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 925 int packageUserId = mPendingBroadcasts.userIdAt(n); 926 Iterator<Map.Entry<String, ArrayList<String>>> it 927 = mPendingBroadcasts.packagesForUserId(packageUserId) 928 .entrySet().iterator(); 929 while (it.hasNext() && i < size) { 930 Map.Entry<String, ArrayList<String>> ent = it.next(); 931 packages[i] = ent.getKey(); 932 components[i] = ent.getValue(); 933 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 934 uids[i] = (ps != null) 935 ? UserHandle.getUid(packageUserId, ps.appId) 936 : -1; 937 i++; 938 } 939 } 940 size = i; 941 mPendingBroadcasts.clear(); 942 } 943 // Send broadcasts 944 for (int i = 0; i < size; i++) { 945 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 946 } 947 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 948 break; 949 } 950 case START_CLEANING_PACKAGE: { 951 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 952 final String packageName = (String)msg.obj; 953 final int userId = msg.arg1; 954 final boolean andCode = msg.arg2 != 0; 955 synchronized (mPackages) { 956 if (userId == UserHandle.USER_ALL) { 957 int[] users = sUserManager.getUserIds(); 958 for (int user : users) { 959 mSettings.addPackageToCleanLPw( 960 new PackageCleanItem(user, packageName, andCode)); 961 } 962 } else { 963 mSettings.addPackageToCleanLPw( 964 new PackageCleanItem(userId, packageName, andCode)); 965 } 966 } 967 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 968 startCleaningPackages(); 969 } break; 970 case POST_INSTALL: { 971 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 972 PostInstallData data = mRunningInstalls.get(msg.arg1); 973 mRunningInstalls.delete(msg.arg1); 974 boolean deleteOld = false; 975 976 if (data != null) { 977 InstallArgs args = data.args; 978 PackageInstalledInfo res = data.res; 979 980 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 981 res.removedInfo.sendBroadcast(false, true, false); 982 Bundle extras = new Bundle(1); 983 extras.putInt(Intent.EXTRA_UID, res.uid); 984 // Determine the set of users who are adding this 985 // package for the first time vs. those who are seeing 986 // an update. 987 int[] firstUsers; 988 int[] updateUsers = new int[0]; 989 if (res.origUsers == null || res.origUsers.length == 0) { 990 firstUsers = res.newUsers; 991 } else { 992 firstUsers = new int[0]; 993 for (int i=0; i<res.newUsers.length; i++) { 994 int user = res.newUsers[i]; 995 boolean isNew = true; 996 for (int j=0; j<res.origUsers.length; j++) { 997 if (res.origUsers[j] == user) { 998 isNew = false; 999 break; 1000 } 1001 } 1002 if (isNew) { 1003 int[] newFirst = new int[firstUsers.length+1]; 1004 System.arraycopy(firstUsers, 0, newFirst, 0, 1005 firstUsers.length); 1006 newFirst[firstUsers.length] = user; 1007 firstUsers = newFirst; 1008 } else { 1009 int[] newUpdate = new int[updateUsers.length+1]; 1010 System.arraycopy(updateUsers, 0, newUpdate, 0, 1011 updateUsers.length); 1012 newUpdate[updateUsers.length] = user; 1013 updateUsers = newUpdate; 1014 } 1015 } 1016 } 1017 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1018 res.pkg.applicationInfo.packageName, 1019 extras, null, null, firstUsers); 1020 final boolean update = res.removedInfo.removedPackage != null; 1021 if (update) { 1022 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1023 } 1024 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1025 res.pkg.applicationInfo.packageName, 1026 extras, null, null, updateUsers); 1027 if (update) { 1028 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1029 res.pkg.applicationInfo.packageName, 1030 extras, null, null, updateUsers); 1031 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1032 null, null, 1033 res.pkg.applicationInfo.packageName, null, updateUsers); 1034 1035 // treat asec-hosted packages like removable media on upgrade 1036 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1037 if (DEBUG_INSTALL) { 1038 Slog.i(TAG, "upgrading pkg " + res.pkg 1039 + " is ASEC-hosted -> AVAILABLE"); 1040 } 1041 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1042 ArrayList<String> pkgList = new ArrayList<String>(1); 1043 pkgList.add(res.pkg.applicationInfo.packageName); 1044 sendResourcesChangedBroadcast(true, true, 1045 pkgList,uidArray, null); 1046 } 1047 } 1048 if (res.removedInfo.args != null) { 1049 // Remove the replaced package's older resources safely now 1050 deleteOld = true; 1051 } 1052 1053 // Log current value of "unknown sources" setting 1054 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1055 getUnknownSourcesSettings()); 1056 } 1057 // Force a gc to clear up things 1058 Runtime.getRuntime().gc(); 1059 // We delete after a gc for applications on sdcard. 1060 if (deleteOld) { 1061 synchronized (mInstallLock) { 1062 res.removedInfo.args.doPostDeleteLI(true); 1063 } 1064 } 1065 if (args.observer != null) { 1066 try { 1067 Bundle extras = extrasForInstallResult(res); 1068 args.observer.onPackageInstalled(res.name, res.returnCode, 1069 res.returnMsg, extras); 1070 } catch (RemoteException e) { 1071 Slog.i(TAG, "Observer no longer exists."); 1072 } 1073 } 1074 } else { 1075 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1076 } 1077 } break; 1078 case UPDATED_MEDIA_STATUS: { 1079 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1080 boolean reportStatus = msg.arg1 == 1; 1081 boolean doGc = msg.arg2 == 1; 1082 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1083 if (doGc) { 1084 // Force a gc to clear up stale containers. 1085 Runtime.getRuntime().gc(); 1086 } 1087 if (msg.obj != null) { 1088 @SuppressWarnings("unchecked") 1089 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1090 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1091 // Unload containers 1092 unloadAllContainers(args); 1093 } 1094 if (reportStatus) { 1095 try { 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1097 PackageHelper.getMountService().finishMediaUpdate(); 1098 } catch (RemoteException e) { 1099 Log.e(TAG, "MountService not running?"); 1100 } 1101 } 1102 } break; 1103 case WRITE_SETTINGS: { 1104 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1105 synchronized (mPackages) { 1106 removeMessages(WRITE_SETTINGS); 1107 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1108 mSettings.writeLPr(); 1109 mDirtyUsers.clear(); 1110 } 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 } break; 1113 case WRITE_PACKAGE_RESTRICTIONS: { 1114 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1115 synchronized (mPackages) { 1116 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1117 for (int userId : mDirtyUsers) { 1118 mSettings.writePackageRestrictionsLPr(userId); 1119 } 1120 mDirtyUsers.clear(); 1121 } 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1123 } break; 1124 case CHECK_PENDING_VERIFICATION: { 1125 final int verificationId = msg.arg1; 1126 final PackageVerificationState state = mPendingVerification.get(verificationId); 1127 1128 if ((state != null) && !state.timeoutExtended()) { 1129 final InstallArgs args = state.getInstallArgs(); 1130 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1131 1132 Slog.i(TAG, "Verification timed out for " + originUri); 1133 mPendingVerification.remove(verificationId); 1134 1135 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1136 1137 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1138 Slog.i(TAG, "Continuing with installation of " + originUri); 1139 state.setVerifierResponse(Binder.getCallingUid(), 1140 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1141 broadcastPackageVerified(verificationId, originUri, 1142 PackageManager.VERIFICATION_ALLOW, 1143 state.getInstallArgs().getUser()); 1144 try { 1145 ret = args.copyApk(mContainerService, true); 1146 } catch (RemoteException e) { 1147 Slog.e(TAG, "Could not contact the ContainerService"); 1148 } 1149 } else { 1150 broadcastPackageVerified(verificationId, originUri, 1151 PackageManager.VERIFICATION_REJECT, 1152 state.getInstallArgs().getUser()); 1153 } 1154 1155 processPendingInstall(args, ret); 1156 mHandler.sendEmptyMessage(MCS_UNBIND); 1157 } 1158 break; 1159 } 1160 case PACKAGE_VERIFIED: { 1161 final int verificationId = msg.arg1; 1162 1163 final PackageVerificationState state = mPendingVerification.get(verificationId); 1164 if (state == null) { 1165 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1166 break; 1167 } 1168 1169 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1170 1171 state.setVerifierResponse(response.callerUid, response.code); 1172 1173 if (state.isVerificationComplete()) { 1174 mPendingVerification.remove(verificationId); 1175 1176 final InstallArgs args = state.getInstallArgs(); 1177 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1178 1179 int ret; 1180 if (state.isInstallAllowed()) { 1181 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1182 broadcastPackageVerified(verificationId, originUri, 1183 response.code, state.getInstallArgs().getUser()); 1184 try { 1185 ret = args.copyApk(mContainerService, true); 1186 } catch (RemoteException e) { 1187 Slog.e(TAG, "Could not contact the ContainerService"); 1188 } 1189 } else { 1190 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1191 } 1192 1193 processPendingInstall(args, ret); 1194 1195 mHandler.sendEmptyMessage(MCS_UNBIND); 1196 } 1197 1198 break; 1199 } 1200 } 1201 } 1202 } 1203 1204 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1205 Bundle extras = null; 1206 switch (res.returnCode) { 1207 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1208 extras = new Bundle(); 1209 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1210 res.origPermission); 1211 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1212 res.origPackage); 1213 break; 1214 } 1215 } 1216 return extras; 1217 } 1218 1219 void scheduleWriteSettingsLocked() { 1220 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1221 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1222 } 1223 } 1224 1225 void scheduleWritePackageRestrictionsLocked(int userId) { 1226 if (!sUserManager.exists(userId)) return; 1227 mDirtyUsers.add(userId); 1228 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1229 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1230 } 1231 } 1232 1233 public static final PackageManagerService main(Context context, Installer installer, 1234 boolean factoryTest, boolean onlyCore) { 1235 PackageManagerService m = new PackageManagerService(context, installer, 1236 factoryTest, onlyCore); 1237 ServiceManager.addService("package", m); 1238 return m; 1239 } 1240 1241 static String[] splitString(String str, char sep) { 1242 int count = 1; 1243 int i = 0; 1244 while ((i=str.indexOf(sep, i)) >= 0) { 1245 count++; 1246 i++; 1247 } 1248 1249 String[] res = new String[count]; 1250 i=0; 1251 count = 0; 1252 int lastI=0; 1253 while ((i=str.indexOf(sep, i)) >= 0) { 1254 res[count] = str.substring(lastI, i); 1255 count++; 1256 i++; 1257 lastI = i; 1258 } 1259 res[count] = str.substring(lastI, str.length()); 1260 return res; 1261 } 1262 1263 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1264 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1265 Context.DISPLAY_SERVICE); 1266 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1267 } 1268 1269 public PackageManagerService(Context context, Installer installer, 1270 boolean factoryTest, boolean onlyCore) { 1271 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1272 SystemClock.uptimeMillis()); 1273 1274 if (mSdkVersion <= 0) { 1275 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1276 } 1277 1278 mContext = context; 1279 mFactoryTest = factoryTest; 1280 mOnlyCore = onlyCore; 1281 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1282 mMetrics = new DisplayMetrics(); 1283 mSettings = new Settings(context); 1284 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1285 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1286 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1287 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1288 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1289 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1290 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1291 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1292 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1293 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1294 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1295 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1296 1297 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1298 if (separateProcesses != null && separateProcesses.length() > 0) { 1299 if ("*".equals(separateProcesses)) { 1300 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1301 mSeparateProcesses = null; 1302 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1303 } else { 1304 mDefParseFlags = 0; 1305 mSeparateProcesses = separateProcesses.split(","); 1306 Slog.w(TAG, "Running with debug.separate_processes: " 1307 + separateProcesses); 1308 } 1309 } else { 1310 mDefParseFlags = 0; 1311 mSeparateProcesses = null; 1312 } 1313 1314 mInstaller = installer; 1315 1316 getDefaultDisplayMetrics(context, mMetrics); 1317 1318 SystemConfig systemConfig = SystemConfig.getInstance(); 1319 mGlobalGids = systemConfig.getGlobalGids(); 1320 mSystemPermissions = systemConfig.getSystemPermissions(); 1321 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1322 1323 synchronized (mInstallLock) { 1324 // writer 1325 synchronized (mPackages) { 1326 mHandlerThread = new ServiceThread(TAG, 1327 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1328 mHandlerThread.start(); 1329 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1330 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1331 1332 File dataDir = Environment.getDataDirectory(); 1333 mAppDataDir = new File(dataDir, "data"); 1334 mAppInstallDir = new File(dataDir, "app"); 1335 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1336 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1337 mUserAppDataDir = new File(dataDir, "user"); 1338 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1339 1340 sUserManager = new UserManagerService(context, this, 1341 mInstallLock, mPackages); 1342 1343 // Propagate permission configuration in to package manager. 1344 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1345 = systemConfig.getPermissions(); 1346 for (int i=0; i<permConfig.size(); i++) { 1347 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1348 BasePermission bp = mSettings.mPermissions.get(perm.name); 1349 if (bp == null) { 1350 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1351 mSettings.mPermissions.put(perm.name, bp); 1352 } 1353 if (perm.gids != null) { 1354 bp.gids = appendInts(bp.gids, perm.gids); 1355 } 1356 } 1357 1358 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1359 for (int i=0; i<libConfig.size(); i++) { 1360 mSharedLibraries.put(libConfig.keyAt(i), 1361 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1362 } 1363 1364 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1365 1366 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1367 mSdkVersion, mOnlyCore); 1368 1369 String customResolverActivity = Resources.getSystem().getString( 1370 R.string.config_customResolverActivity); 1371 if (TextUtils.isEmpty(customResolverActivity)) { 1372 customResolverActivity = null; 1373 } else { 1374 mCustomResolverComponentName = ComponentName.unflattenFromString( 1375 customResolverActivity); 1376 } 1377 1378 long startTime = SystemClock.uptimeMillis(); 1379 1380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1381 startTime); 1382 1383 // Set flag to monitor and not change apk file paths when 1384 // scanning install directories. 1385 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1386 1387 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1388 1389 /** 1390 * Add everything in the in the boot class path to the 1391 * list of process files because dexopt will have been run 1392 * if necessary during zygote startup. 1393 */ 1394 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1395 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1396 1397 if (bootClassPath != null) { 1398 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1399 for (String element : bootClassPathElements) { 1400 alreadyDexOpted.add(element); 1401 } 1402 } else { 1403 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1404 } 1405 1406 if (systemServerClassPath != null) { 1407 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1408 for (String element : systemServerClassPathElements) { 1409 alreadyDexOpted.add(element); 1410 } 1411 } else { 1412 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1413 } 1414 1415 boolean didDexOptLibraryOrTool = false; 1416 1417 final List<String> allInstructionSets = getAllInstructionSets(); 1418 final String[] dexCodeInstructionSets = 1419 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1420 1421 /** 1422 * Ensure all external libraries have had dexopt run on them. 1423 */ 1424 if (mSharedLibraries.size() > 0) { 1425 // NOTE: For now, we're compiling these system "shared libraries" 1426 // (and framework jars) into all available architectures. It's possible 1427 // to compile them only when we come across an app that uses them (there's 1428 // already logic for that in scanPackageLI) but that adds some complexity. 1429 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1430 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1431 final String lib = libEntry.path; 1432 if (lib == null) { 1433 continue; 1434 } 1435 1436 try { 1437 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1438 dexCodeInstructionSet, 1439 false); 1440 if (dexoptRequired != DexFile.UP_TO_DATE) { 1441 alreadyDexOpted.add(lib); 1442 1443 // The list of "shared libraries" we have at this point is 1444 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1445 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1446 } else { 1447 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1448 } 1449 didDexOptLibraryOrTool = true; 1450 } 1451 } catch (FileNotFoundException e) { 1452 Slog.w(TAG, "Library not found: " + lib); 1453 } catch (IOException e) { 1454 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1455 + e.getMessage()); 1456 } 1457 } 1458 } 1459 } 1460 1461 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1462 1463 // Gross hack for now: we know this file doesn't contain any 1464 // code, so don't dexopt it to avoid the resulting log spew. 1465 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1466 1467 // Gross hack for now: we know this file is only part of 1468 // the boot class path for art, so don't dexopt it to 1469 // avoid the resulting log spew. 1470 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1471 1472 /** 1473 * And there are a number of commands implemented in Java, which 1474 * we currently need to do the dexopt on so that they can be 1475 * run from a non-root shell. 1476 */ 1477 String[] frameworkFiles = frameworkDir.list(); 1478 if (frameworkFiles != null) { 1479 // TODO: We could compile these only for the most preferred ABI. We should 1480 // first double check that the dex files for these commands are not referenced 1481 // by other system apps. 1482 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1483 for (int i=0; i<frameworkFiles.length; i++) { 1484 File libPath = new File(frameworkDir, frameworkFiles[i]); 1485 String path = libPath.getPath(); 1486 // Skip the file if we already did it. 1487 if (alreadyDexOpted.contains(path)) { 1488 continue; 1489 } 1490 // Skip the file if it is not a type we want to dexopt. 1491 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1492 continue; 1493 } 1494 try { 1495 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1496 dexCodeInstructionSet, 1497 false); 1498 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1499 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1500 didDexOptLibraryOrTool = true; 1501 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1502 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1503 didDexOptLibraryOrTool = true; 1504 } 1505 } catch (FileNotFoundException e) { 1506 Slog.w(TAG, "Jar not found: " + path); 1507 } catch (IOException e) { 1508 Slog.w(TAG, "Exception reading jar: " + path, e); 1509 } 1510 } 1511 } 1512 } 1513 1514 // Collect vendor overlay packages. 1515 // (Do this before scanning any apps.) 1516 // For security and version matching reason, only consider 1517 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1518 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1519 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1520 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1521 1522 // Find base frameworks (resource packages without code). 1523 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1524 | PackageParser.PARSE_IS_SYSTEM_DIR 1525 | PackageParser.PARSE_IS_PRIVILEGED, 1526 scanFlags | SCAN_NO_DEX, 0); 1527 1528 // Collected privileged system packages. 1529 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1530 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1531 | PackageParser.PARSE_IS_SYSTEM_DIR 1532 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1533 1534 // Collect ordinary system packages. 1535 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1536 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1537 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1538 1539 // Collect all vendor packages. 1540 File vendorAppDir = new File("/vendor/app"); 1541 try { 1542 vendorAppDir = vendorAppDir.getCanonicalFile(); 1543 } catch (IOException e) { 1544 // failed to look up canonical path, continue with original one 1545 } 1546 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1547 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1548 1549 // Collect all OEM packages. 1550 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1551 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1553 1554 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1555 mInstaller.moveFiles(); 1556 1557 // Prune any system packages that no longer exist. 1558 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1559 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1560 if (!mOnlyCore) { 1561 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1562 while (psit.hasNext()) { 1563 PackageSetting ps = psit.next(); 1564 1565 /* 1566 * If this is not a system app, it can't be a 1567 * disable system app. 1568 */ 1569 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1570 continue; 1571 } 1572 1573 /* 1574 * If the package is scanned, it's not erased. 1575 */ 1576 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1577 if (scannedPkg != null) { 1578 /* 1579 * If the system app is both scanned and in the 1580 * disabled packages list, then it must have been 1581 * added via OTA. Remove it from the currently 1582 * scanned package so the previously user-installed 1583 * application can be scanned. 1584 */ 1585 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1586 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1587 + ps.name + "; removing system app. Last known codePath=" 1588 + ps.codePathString + ", installStatus=" + ps.installStatus 1589 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1590 + scannedPkg.mVersionCode); 1591 removePackageLI(ps, true); 1592 expectingBetter.put(ps.name, ps.codePath); 1593 } 1594 1595 continue; 1596 } 1597 1598 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1599 psit.remove(); 1600 logCriticalInfo(Log.WARN, "System package " + ps.name 1601 + " no longer exists; wiping its data"); 1602 removeDataDirsLI(ps.name); 1603 } else { 1604 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1605 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1606 possiblyDeletedUpdatedSystemApps.add(ps.name); 1607 } 1608 } 1609 } 1610 } 1611 1612 //look for any incomplete package installations 1613 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1614 //clean up list 1615 for(int i = 0; i < deletePkgsList.size(); i++) { 1616 //clean up here 1617 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1618 } 1619 //delete tmp files 1620 deleteTempPackageFiles(); 1621 1622 // Remove any shared userIDs that have no associated packages 1623 mSettings.pruneSharedUsersLPw(); 1624 1625 if (!mOnlyCore) { 1626 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1627 SystemClock.uptimeMillis()); 1628 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1629 1630 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1631 scanFlags, 0); 1632 1633 /** 1634 * Remove disable package settings for any updated system 1635 * apps that were removed via an OTA. If they're not a 1636 * previously-updated app, remove them completely. 1637 * Otherwise, just revoke their system-level permissions. 1638 */ 1639 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1640 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1641 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1642 1643 String msg; 1644 if (deletedPkg == null) { 1645 msg = "Updated system package " + deletedAppName 1646 + " no longer exists; wiping its data"; 1647 removeDataDirsLI(deletedAppName); 1648 } else { 1649 msg = "Updated system app + " + deletedAppName 1650 + " no longer present; removing system privileges for " 1651 + deletedAppName; 1652 1653 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1654 1655 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1656 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1657 } 1658 logCriticalInfo(Log.WARN, msg); 1659 } 1660 1661 /** 1662 * Make sure all system apps that we expected to appear on 1663 * the userdata partition actually showed up. If they never 1664 * appeared, crawl back and revive the system version. 1665 */ 1666 for (int i = 0; i < expectingBetter.size(); i++) { 1667 final String packageName = expectingBetter.keyAt(i); 1668 if (!mPackages.containsKey(packageName)) { 1669 final File scanFile = expectingBetter.valueAt(i); 1670 1671 logCriticalInfo(Log.WARN, "Expected better " + packageName 1672 + " but never showed up; reverting to system"); 1673 1674 final int reparseFlags; 1675 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1676 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1677 | PackageParser.PARSE_IS_SYSTEM_DIR 1678 | PackageParser.PARSE_IS_PRIVILEGED; 1679 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1680 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1681 | PackageParser.PARSE_IS_SYSTEM_DIR; 1682 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1683 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1684 | PackageParser.PARSE_IS_SYSTEM_DIR; 1685 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1686 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1687 | PackageParser.PARSE_IS_SYSTEM_DIR; 1688 } else { 1689 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1690 continue; 1691 } 1692 1693 mSettings.enableSystemPackageLPw(packageName); 1694 1695 try { 1696 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1697 } catch (PackageManagerException e) { 1698 Slog.e(TAG, "Failed to parse original system package: " 1699 + e.getMessage()); 1700 } 1701 } 1702 } 1703 } 1704 1705 // Now that we know all of the shared libraries, update all clients to have 1706 // the correct library paths. 1707 updateAllSharedLibrariesLPw(); 1708 1709 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1710 // NOTE: We ignore potential failures here during a system scan (like 1711 // the rest of the commands above) because there's precious little we 1712 // can do about it. A settings error is reported, though. 1713 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1714 false /* force dexopt */, false /* defer dexopt */); 1715 } 1716 1717 // Now that we know all the packages we are keeping, 1718 // read and update their last usage times. 1719 mPackageUsage.readLP(); 1720 1721 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1722 SystemClock.uptimeMillis()); 1723 Slog.i(TAG, "Time to scan packages: " 1724 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1725 + " seconds"); 1726 1727 // If the platform SDK has changed since the last time we booted, 1728 // we need to re-grant app permission to catch any new ones that 1729 // appear. This is really a hack, and means that apps can in some 1730 // cases get permissions that the user didn't initially explicitly 1731 // allow... it would be nice to have some better way to handle 1732 // this situation. 1733 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1734 != mSdkVersion; 1735 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1736 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1737 + "; regranting permissions for internal storage"); 1738 mSettings.mInternalSdkPlatform = mSdkVersion; 1739 1740 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1741 | (regrantPermissions 1742 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1743 : 0)); 1744 1745 // If this is the first boot, and it is a normal boot, then 1746 // we need to initialize the default preferred apps. 1747 if (!mRestoredSettings && !onlyCore) { 1748 mSettings.readDefaultPreferredAppsLPw(this, 0); 1749 } 1750 1751 // If this is first boot after an OTA, and a normal boot, then 1752 // we need to clear code cache directories. 1753 if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) { 1754 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1755 for (String pkgName : mSettings.mPackages.keySet()) { 1756 deleteCodeCacheDirsLI(pkgName); 1757 } 1758 mSettings.mFingerprint = Build.FINGERPRINT; 1759 } 1760 1761 // All the changes are done during package scanning. 1762 mSettings.updateInternalDatabaseVersion(); 1763 1764 // can downgrade to reader 1765 mSettings.writeLPr(); 1766 1767 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1768 SystemClock.uptimeMillis()); 1769 1770 1771 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1772 } // synchronized (mPackages) 1773 } // synchronized (mInstallLock) 1774 1775 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1776 1777 // Now after opening every single application zip, make sure they 1778 // are all flushed. Not really needed, but keeps things nice and 1779 // tidy. 1780 Runtime.getRuntime().gc(); 1781 } 1782 1783 @Override 1784 public boolean isFirstBoot() { 1785 return !mRestoredSettings; 1786 } 1787 1788 @Override 1789 public boolean isOnlyCoreApps() { 1790 return mOnlyCore; 1791 } 1792 1793 private String getRequiredVerifierLPr() { 1794 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1795 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1796 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1797 1798 String requiredVerifier = null; 1799 1800 final int N = receivers.size(); 1801 for (int i = 0; i < N; i++) { 1802 final ResolveInfo info = receivers.get(i); 1803 1804 if (info.activityInfo == null) { 1805 continue; 1806 } 1807 1808 final String packageName = info.activityInfo.packageName; 1809 1810 final PackageSetting ps = mSettings.mPackages.get(packageName); 1811 if (ps == null) { 1812 continue; 1813 } 1814 1815 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1816 if (!gp.grantedPermissions 1817 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1818 continue; 1819 } 1820 1821 if (requiredVerifier != null) { 1822 throw new RuntimeException("There can be only one required verifier"); 1823 } 1824 1825 requiredVerifier = packageName; 1826 } 1827 1828 return requiredVerifier; 1829 } 1830 1831 @Override 1832 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1833 throws RemoteException { 1834 try { 1835 return super.onTransact(code, data, reply, flags); 1836 } catch (RuntimeException e) { 1837 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1838 Slog.wtf(TAG, "Package Manager Crash", e); 1839 } 1840 throw e; 1841 } 1842 } 1843 1844 void cleanupInstallFailedPackage(PackageSetting ps) { 1845 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1846 1847 removeDataDirsLI(ps.name); 1848 if (ps.codePath != null) { 1849 if (ps.codePath.isDirectory()) { 1850 FileUtils.deleteContents(ps.codePath); 1851 } 1852 ps.codePath.delete(); 1853 } 1854 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1855 if (ps.resourcePath.isDirectory()) { 1856 FileUtils.deleteContents(ps.resourcePath); 1857 } 1858 ps.resourcePath.delete(); 1859 } 1860 mSettings.removePackageLPw(ps.name); 1861 } 1862 1863 static int[] appendInts(int[] cur, int[] add) { 1864 if (add == null) return cur; 1865 if (cur == null) return add; 1866 final int N = add.length; 1867 for (int i=0; i<N; i++) { 1868 cur = appendInt(cur, add[i]); 1869 } 1870 return cur; 1871 } 1872 1873 static int[] removeInts(int[] cur, int[] rem) { 1874 if (rem == null) return cur; 1875 if (cur == null) return cur; 1876 final int N = rem.length; 1877 for (int i=0; i<N; i++) { 1878 cur = removeInt(cur, rem[i]); 1879 } 1880 return cur; 1881 } 1882 1883 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1884 if (!sUserManager.exists(userId)) return null; 1885 final PackageSetting ps = (PackageSetting) p.mExtras; 1886 if (ps == null) { 1887 return null; 1888 } 1889 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1890 final PackageUserState state = ps.readUserState(userId); 1891 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1892 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1893 state, userId); 1894 } 1895 1896 @Override 1897 public boolean isPackageAvailable(String packageName, int userId) { 1898 if (!sUserManager.exists(userId)) return false; 1899 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1900 synchronized (mPackages) { 1901 PackageParser.Package p = mPackages.get(packageName); 1902 if (p != null) { 1903 final PackageSetting ps = (PackageSetting) p.mExtras; 1904 if (ps != null) { 1905 final PackageUserState state = ps.readUserState(userId); 1906 if (state != null) { 1907 return PackageParser.isAvailable(state); 1908 } 1909 } 1910 } 1911 } 1912 return false; 1913 } 1914 1915 @Override 1916 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1917 if (!sUserManager.exists(userId)) return null; 1918 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1919 // reader 1920 synchronized (mPackages) { 1921 PackageParser.Package p = mPackages.get(packageName); 1922 if (DEBUG_PACKAGE_INFO) 1923 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1924 if (p != null) { 1925 return generatePackageInfo(p, flags, userId); 1926 } 1927 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1928 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1929 } 1930 } 1931 return null; 1932 } 1933 1934 @Override 1935 public String[] currentToCanonicalPackageNames(String[] names) { 1936 String[] out = new String[names.length]; 1937 // reader 1938 synchronized (mPackages) { 1939 for (int i=names.length-1; i>=0; i--) { 1940 PackageSetting ps = mSettings.mPackages.get(names[i]); 1941 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1942 } 1943 } 1944 return out; 1945 } 1946 1947 @Override 1948 public String[] canonicalToCurrentPackageNames(String[] names) { 1949 String[] out = new String[names.length]; 1950 // reader 1951 synchronized (mPackages) { 1952 for (int i=names.length-1; i>=0; i--) { 1953 String cur = mSettings.mRenamedPackages.get(names[i]); 1954 out[i] = cur != null ? cur : names[i]; 1955 } 1956 } 1957 return out; 1958 } 1959 1960 @Override 1961 public int getPackageUid(String packageName, int userId) { 1962 if (!sUserManager.exists(userId)) return -1; 1963 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1964 // reader 1965 synchronized (mPackages) { 1966 PackageParser.Package p = mPackages.get(packageName); 1967 if(p != null) { 1968 return UserHandle.getUid(userId, p.applicationInfo.uid); 1969 } 1970 PackageSetting ps = mSettings.mPackages.get(packageName); 1971 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1972 return -1; 1973 } 1974 p = ps.pkg; 1975 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1976 } 1977 } 1978 1979 @Override 1980 public int[] getPackageGids(String packageName) { 1981 // reader 1982 synchronized (mPackages) { 1983 PackageParser.Package p = mPackages.get(packageName); 1984 if (DEBUG_PACKAGE_INFO) 1985 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1986 if (p != null) { 1987 final PackageSetting ps = (PackageSetting)p.mExtras; 1988 return ps.getGids(); 1989 } 1990 } 1991 // stupid thing to indicate an error. 1992 return new int[0]; 1993 } 1994 1995 static final PermissionInfo generatePermissionInfo( 1996 BasePermission bp, int flags) { 1997 if (bp.perm != null) { 1998 return PackageParser.generatePermissionInfo(bp.perm, flags); 1999 } 2000 PermissionInfo pi = new PermissionInfo(); 2001 pi.name = bp.name; 2002 pi.packageName = bp.sourcePackage; 2003 pi.nonLocalizedLabel = bp.name; 2004 pi.protectionLevel = bp.protectionLevel; 2005 return pi; 2006 } 2007 2008 @Override 2009 public PermissionInfo getPermissionInfo(String name, int flags) { 2010 // reader 2011 synchronized (mPackages) { 2012 final BasePermission p = mSettings.mPermissions.get(name); 2013 if (p != null) { 2014 return generatePermissionInfo(p, flags); 2015 } 2016 return null; 2017 } 2018 } 2019 2020 @Override 2021 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2022 // reader 2023 synchronized (mPackages) { 2024 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2025 for (BasePermission p : mSettings.mPermissions.values()) { 2026 if (group == null) { 2027 if (p.perm == null || p.perm.info.group == null) { 2028 out.add(generatePermissionInfo(p, flags)); 2029 } 2030 } else { 2031 if (p.perm != null && group.equals(p.perm.info.group)) { 2032 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2033 } 2034 } 2035 } 2036 2037 if (out.size() > 0) { 2038 return out; 2039 } 2040 return mPermissionGroups.containsKey(group) ? out : null; 2041 } 2042 } 2043 2044 @Override 2045 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2046 // reader 2047 synchronized (mPackages) { 2048 return PackageParser.generatePermissionGroupInfo( 2049 mPermissionGroups.get(name), flags); 2050 } 2051 } 2052 2053 @Override 2054 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2055 // reader 2056 synchronized (mPackages) { 2057 final int N = mPermissionGroups.size(); 2058 ArrayList<PermissionGroupInfo> out 2059 = new ArrayList<PermissionGroupInfo>(N); 2060 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2061 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2062 } 2063 return out; 2064 } 2065 } 2066 2067 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2068 int userId) { 2069 if (!sUserManager.exists(userId)) return null; 2070 PackageSetting ps = mSettings.mPackages.get(packageName); 2071 if (ps != null) { 2072 if (ps.pkg == null) { 2073 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2074 flags, userId); 2075 if (pInfo != null) { 2076 return pInfo.applicationInfo; 2077 } 2078 return null; 2079 } 2080 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2081 ps.readUserState(userId), userId); 2082 } 2083 return null; 2084 } 2085 2086 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2087 int userId) { 2088 if (!sUserManager.exists(userId)) return null; 2089 PackageSetting ps = mSettings.mPackages.get(packageName); 2090 if (ps != null) { 2091 PackageParser.Package pkg = ps.pkg; 2092 if (pkg == null) { 2093 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2094 return null; 2095 } 2096 // Only data remains, so we aren't worried about code paths 2097 pkg = new PackageParser.Package(packageName); 2098 pkg.applicationInfo.packageName = packageName; 2099 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2100 pkg.applicationInfo.dataDir = 2101 getDataPathForPackage(packageName, 0).getPath(); 2102 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2103 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2104 } 2105 return generatePackageInfo(pkg, flags, userId); 2106 } 2107 return null; 2108 } 2109 2110 @Override 2111 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2112 if (!sUserManager.exists(userId)) return null; 2113 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2114 // writer 2115 synchronized (mPackages) { 2116 PackageParser.Package p = mPackages.get(packageName); 2117 if (DEBUG_PACKAGE_INFO) Log.v( 2118 TAG, "getApplicationInfo " + packageName 2119 + ": " + p); 2120 if (p != null) { 2121 PackageSetting ps = mSettings.mPackages.get(packageName); 2122 if (ps == null) return null; 2123 // Note: isEnabledLP() does not apply here - always return info 2124 return PackageParser.generateApplicationInfo( 2125 p, flags, ps.readUserState(userId), userId); 2126 } 2127 if ("android".equals(packageName)||"system".equals(packageName)) { 2128 return mAndroidApplication; 2129 } 2130 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2131 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2132 } 2133 } 2134 return null; 2135 } 2136 2137 2138 @Override 2139 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2140 mContext.enforceCallingOrSelfPermission( 2141 android.Manifest.permission.CLEAR_APP_CACHE, null); 2142 // Queue up an async operation since clearing cache may take a little while. 2143 mHandler.post(new Runnable() { 2144 public void run() { 2145 mHandler.removeCallbacks(this); 2146 int retCode = -1; 2147 synchronized (mInstallLock) { 2148 retCode = mInstaller.freeCache(freeStorageSize); 2149 if (retCode < 0) { 2150 Slog.w(TAG, "Couldn't clear application caches"); 2151 } 2152 } 2153 if (observer != null) { 2154 try { 2155 observer.onRemoveCompleted(null, (retCode >= 0)); 2156 } catch (RemoteException e) { 2157 Slog.w(TAG, "RemoveException when invoking call back"); 2158 } 2159 } 2160 } 2161 }); 2162 } 2163 2164 @Override 2165 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2166 mContext.enforceCallingOrSelfPermission( 2167 android.Manifest.permission.CLEAR_APP_CACHE, null); 2168 // Queue up an async operation since clearing cache may take a little while. 2169 mHandler.post(new Runnable() { 2170 public void run() { 2171 mHandler.removeCallbacks(this); 2172 int retCode = -1; 2173 synchronized (mInstallLock) { 2174 retCode = mInstaller.freeCache(freeStorageSize); 2175 if (retCode < 0) { 2176 Slog.w(TAG, "Couldn't clear application caches"); 2177 } 2178 } 2179 if(pi != null) { 2180 try { 2181 // Callback via pending intent 2182 int code = (retCode >= 0) ? 1 : 0; 2183 pi.sendIntent(null, code, null, 2184 null, null); 2185 } catch (SendIntentException e1) { 2186 Slog.i(TAG, "Failed to send pending intent"); 2187 } 2188 } 2189 } 2190 }); 2191 } 2192 2193 void freeStorage(long freeStorageSize) throws IOException { 2194 synchronized (mInstallLock) { 2195 if (mInstaller.freeCache(freeStorageSize) < 0) { 2196 throw new IOException("Failed to free enough space"); 2197 } 2198 } 2199 } 2200 2201 @Override 2202 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2203 if (!sUserManager.exists(userId)) return null; 2204 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2205 synchronized (mPackages) { 2206 PackageParser.Activity a = mActivities.mActivities.get(component); 2207 2208 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2209 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2210 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2211 if (ps == null) return null; 2212 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2213 userId); 2214 } 2215 if (mResolveComponentName.equals(component)) { 2216 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2217 new PackageUserState(), userId); 2218 } 2219 } 2220 return null; 2221 } 2222 2223 @Override 2224 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2225 String resolvedType) { 2226 synchronized (mPackages) { 2227 PackageParser.Activity a = mActivities.mActivities.get(component); 2228 if (a == null) { 2229 return false; 2230 } 2231 for (int i=0; i<a.intents.size(); i++) { 2232 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2233 intent.getData(), intent.getCategories(), TAG) >= 0) { 2234 return true; 2235 } 2236 } 2237 return false; 2238 } 2239 } 2240 2241 @Override 2242 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2243 if (!sUserManager.exists(userId)) return null; 2244 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2245 synchronized (mPackages) { 2246 PackageParser.Activity a = mReceivers.mActivities.get(component); 2247 if (DEBUG_PACKAGE_INFO) Log.v( 2248 TAG, "getReceiverInfo " + component + ": " + a); 2249 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2250 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2251 if (ps == null) return null; 2252 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2253 userId); 2254 } 2255 } 2256 return null; 2257 } 2258 2259 @Override 2260 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2261 if (!sUserManager.exists(userId)) return null; 2262 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2263 synchronized (mPackages) { 2264 PackageParser.Service s = mServices.mServices.get(component); 2265 if (DEBUG_PACKAGE_INFO) Log.v( 2266 TAG, "getServiceInfo " + component + ": " + s); 2267 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2268 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2269 if (ps == null) return null; 2270 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2271 userId); 2272 } 2273 } 2274 return null; 2275 } 2276 2277 @Override 2278 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2279 if (!sUserManager.exists(userId)) return null; 2280 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2281 synchronized (mPackages) { 2282 PackageParser.Provider p = mProviders.mProviders.get(component); 2283 if (DEBUG_PACKAGE_INFO) Log.v( 2284 TAG, "getProviderInfo " + component + ": " + p); 2285 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2286 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2287 if (ps == null) return null; 2288 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2289 userId); 2290 } 2291 } 2292 return null; 2293 } 2294 2295 @Override 2296 public String[] getSystemSharedLibraryNames() { 2297 Set<String> libSet; 2298 synchronized (mPackages) { 2299 libSet = mSharedLibraries.keySet(); 2300 int size = libSet.size(); 2301 if (size > 0) { 2302 String[] libs = new String[size]; 2303 libSet.toArray(libs); 2304 return libs; 2305 } 2306 } 2307 return null; 2308 } 2309 2310 @Override 2311 public FeatureInfo[] getSystemAvailableFeatures() { 2312 Collection<FeatureInfo> featSet; 2313 synchronized (mPackages) { 2314 featSet = mAvailableFeatures.values(); 2315 int size = featSet.size(); 2316 if (size > 0) { 2317 FeatureInfo[] features = new FeatureInfo[size+1]; 2318 featSet.toArray(features); 2319 FeatureInfo fi = new FeatureInfo(); 2320 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2321 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2322 features[size] = fi; 2323 return features; 2324 } 2325 } 2326 return null; 2327 } 2328 2329 @Override 2330 public boolean hasSystemFeature(String name) { 2331 synchronized (mPackages) { 2332 return mAvailableFeatures.containsKey(name); 2333 } 2334 } 2335 2336 private void checkValidCaller(int uid, int userId) { 2337 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2338 return; 2339 2340 throw new SecurityException("Caller uid=" + uid 2341 + " is not privileged to communicate with user=" + userId); 2342 } 2343 2344 @Override 2345 public int checkPermission(String permName, String pkgName) { 2346 synchronized (mPackages) { 2347 PackageParser.Package p = mPackages.get(pkgName); 2348 if (p != null && p.mExtras != null) { 2349 PackageSetting ps = (PackageSetting)p.mExtras; 2350 if (ps.sharedUser != null) { 2351 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2352 return PackageManager.PERMISSION_GRANTED; 2353 } 2354 } else if (ps.grantedPermissions.contains(permName)) { 2355 return PackageManager.PERMISSION_GRANTED; 2356 } 2357 } 2358 } 2359 return PackageManager.PERMISSION_DENIED; 2360 } 2361 2362 @Override 2363 public int checkUidPermission(String permName, int uid) { 2364 synchronized (mPackages) { 2365 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2366 if (obj != null) { 2367 GrantedPermissions gp = (GrantedPermissions)obj; 2368 if (gp.grantedPermissions.contains(permName)) { 2369 return PackageManager.PERMISSION_GRANTED; 2370 } 2371 } else { 2372 HashSet<String> perms = mSystemPermissions.get(uid); 2373 if (perms != null && perms.contains(permName)) { 2374 return PackageManager.PERMISSION_GRANTED; 2375 } 2376 } 2377 } 2378 return PackageManager.PERMISSION_DENIED; 2379 } 2380 2381 /** 2382 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2383 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2384 * @param checkShell TODO(yamasani): 2385 * @param message the message to log on security exception 2386 */ 2387 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2388 boolean checkShell, String message) { 2389 if (userId < 0) { 2390 throw new IllegalArgumentException("Invalid userId " + userId); 2391 } 2392 if (checkShell) { 2393 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2394 } 2395 if (userId == UserHandle.getUserId(callingUid)) return; 2396 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2397 if (requireFullPermission) { 2398 mContext.enforceCallingOrSelfPermission( 2399 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2400 } else { 2401 try { 2402 mContext.enforceCallingOrSelfPermission( 2403 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2404 } catch (SecurityException se) { 2405 mContext.enforceCallingOrSelfPermission( 2406 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2407 } 2408 } 2409 } 2410 } 2411 2412 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2413 if (callingUid == Process.SHELL_UID) { 2414 if (userHandle >= 0 2415 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2416 throw new SecurityException("Shell does not have permission to access user " 2417 + userHandle); 2418 } else if (userHandle < 0) { 2419 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2420 + Debug.getCallers(3)); 2421 } 2422 } 2423 } 2424 2425 private BasePermission findPermissionTreeLP(String permName) { 2426 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2427 if (permName.startsWith(bp.name) && 2428 permName.length() > bp.name.length() && 2429 permName.charAt(bp.name.length()) == '.') { 2430 return bp; 2431 } 2432 } 2433 return null; 2434 } 2435 2436 private BasePermission checkPermissionTreeLP(String permName) { 2437 if (permName != null) { 2438 BasePermission bp = findPermissionTreeLP(permName); 2439 if (bp != null) { 2440 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2441 return bp; 2442 } 2443 throw new SecurityException("Calling uid " 2444 + Binder.getCallingUid() 2445 + " is not allowed to add to permission tree " 2446 + bp.name + " owned by uid " + bp.uid); 2447 } 2448 } 2449 throw new SecurityException("No permission tree found for " + permName); 2450 } 2451 2452 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2453 if (s1 == null) { 2454 return s2 == null; 2455 } 2456 if (s2 == null) { 2457 return false; 2458 } 2459 if (s1.getClass() != s2.getClass()) { 2460 return false; 2461 } 2462 return s1.equals(s2); 2463 } 2464 2465 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2466 if (pi1.icon != pi2.icon) return false; 2467 if (pi1.logo != pi2.logo) return false; 2468 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2469 if (!compareStrings(pi1.name, pi2.name)) return false; 2470 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2471 // We'll take care of setting this one. 2472 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2473 // These are not currently stored in settings. 2474 //if (!compareStrings(pi1.group, pi2.group)) return false; 2475 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2476 //if (pi1.labelRes != pi2.labelRes) return false; 2477 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2478 return true; 2479 } 2480 2481 int permissionInfoFootprint(PermissionInfo info) { 2482 int size = info.name.length(); 2483 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2484 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2485 return size; 2486 } 2487 2488 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2489 int size = 0; 2490 for (BasePermission perm : mSettings.mPermissions.values()) { 2491 if (perm.uid == tree.uid) { 2492 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2493 } 2494 } 2495 return size; 2496 } 2497 2498 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2499 // We calculate the max size of permissions defined by this uid and throw 2500 // if that plus the size of 'info' would exceed our stated maximum. 2501 if (tree.uid != Process.SYSTEM_UID) { 2502 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2503 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2504 throw new SecurityException("Permission tree size cap exceeded"); 2505 } 2506 } 2507 } 2508 2509 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2510 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2511 throw new SecurityException("Label must be specified in permission"); 2512 } 2513 BasePermission tree = checkPermissionTreeLP(info.name); 2514 BasePermission bp = mSettings.mPermissions.get(info.name); 2515 boolean added = bp == null; 2516 boolean changed = true; 2517 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2518 if (added) { 2519 enforcePermissionCapLocked(info, tree); 2520 bp = new BasePermission(info.name, tree.sourcePackage, 2521 BasePermission.TYPE_DYNAMIC); 2522 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2523 throw new SecurityException( 2524 "Not allowed to modify non-dynamic permission " 2525 + info.name); 2526 } else { 2527 if (bp.protectionLevel == fixedLevel 2528 && bp.perm.owner.equals(tree.perm.owner) 2529 && bp.uid == tree.uid 2530 && comparePermissionInfos(bp.perm.info, info)) { 2531 changed = false; 2532 } 2533 } 2534 bp.protectionLevel = fixedLevel; 2535 info = new PermissionInfo(info); 2536 info.protectionLevel = fixedLevel; 2537 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2538 bp.perm.info.packageName = tree.perm.info.packageName; 2539 bp.uid = tree.uid; 2540 if (added) { 2541 mSettings.mPermissions.put(info.name, bp); 2542 } 2543 if (changed) { 2544 if (!async) { 2545 mSettings.writeLPr(); 2546 } else { 2547 scheduleWriteSettingsLocked(); 2548 } 2549 } 2550 return added; 2551 } 2552 2553 @Override 2554 public boolean addPermission(PermissionInfo info) { 2555 synchronized (mPackages) { 2556 return addPermissionLocked(info, false); 2557 } 2558 } 2559 2560 @Override 2561 public boolean addPermissionAsync(PermissionInfo info) { 2562 synchronized (mPackages) { 2563 return addPermissionLocked(info, true); 2564 } 2565 } 2566 2567 @Override 2568 public void removePermission(String name) { 2569 synchronized (mPackages) { 2570 checkPermissionTreeLP(name); 2571 BasePermission bp = mSettings.mPermissions.get(name); 2572 if (bp != null) { 2573 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2574 throw new SecurityException( 2575 "Not allowed to modify non-dynamic permission " 2576 + name); 2577 } 2578 mSettings.mPermissions.remove(name); 2579 mSettings.writeLPr(); 2580 } 2581 } 2582 } 2583 2584 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2585 int index = pkg.requestedPermissions.indexOf(bp.name); 2586 if (index == -1) { 2587 throw new SecurityException("Package " + pkg.packageName 2588 + " has not requested permission " + bp.name); 2589 } 2590 boolean isNormal = 2591 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2592 == PermissionInfo.PROTECTION_NORMAL); 2593 boolean isDangerous = 2594 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2595 == PermissionInfo.PROTECTION_DANGEROUS); 2596 boolean isDevelopment = 2597 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2598 2599 if (!isNormal && !isDangerous && !isDevelopment) { 2600 throw new SecurityException("Permission " + bp.name 2601 + " is not a changeable permission type"); 2602 } 2603 2604 if (isNormal || isDangerous) { 2605 if (pkg.requestedPermissionsRequired.get(index)) { 2606 throw new SecurityException("Can't change " + bp.name 2607 + ". It is required by the application"); 2608 } 2609 } 2610 } 2611 2612 @Override 2613 public void grantPermission(String packageName, String permissionName) { 2614 mContext.enforceCallingOrSelfPermission( 2615 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2616 synchronized (mPackages) { 2617 final PackageParser.Package pkg = mPackages.get(packageName); 2618 if (pkg == null) { 2619 throw new IllegalArgumentException("Unknown package: " + packageName); 2620 } 2621 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2622 if (bp == null) { 2623 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2624 } 2625 2626 checkGrantRevokePermissions(pkg, bp); 2627 2628 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2629 if (ps == null) { 2630 return; 2631 } 2632 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2633 if (gp.grantedPermissions.add(permissionName)) { 2634 if (ps.haveGids) { 2635 gp.gids = appendInts(gp.gids, bp.gids); 2636 } 2637 mSettings.writeLPr(); 2638 } 2639 } 2640 } 2641 2642 @Override 2643 public void revokePermission(String packageName, String permissionName) { 2644 int changedAppId = -1; 2645 2646 synchronized (mPackages) { 2647 final PackageParser.Package pkg = mPackages.get(packageName); 2648 if (pkg == null) { 2649 throw new IllegalArgumentException("Unknown package: " + packageName); 2650 } 2651 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2652 mContext.enforceCallingOrSelfPermission( 2653 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2654 } 2655 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2656 if (bp == null) { 2657 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2658 } 2659 2660 checkGrantRevokePermissions(pkg, bp); 2661 2662 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2663 if (ps == null) { 2664 return; 2665 } 2666 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2667 if (gp.grantedPermissions.remove(permissionName)) { 2668 gp.grantedPermissions.remove(permissionName); 2669 if (ps.haveGids) { 2670 gp.gids = removeInts(gp.gids, bp.gids); 2671 } 2672 mSettings.writeLPr(); 2673 changedAppId = ps.appId; 2674 } 2675 } 2676 2677 if (changedAppId >= 0) { 2678 // We changed the perm on someone, kill its processes. 2679 IActivityManager am = ActivityManagerNative.getDefault(); 2680 if (am != null) { 2681 final int callingUserId = UserHandle.getCallingUserId(); 2682 final long ident = Binder.clearCallingIdentity(); 2683 try { 2684 //XXX we should only revoke for the calling user's app permissions, 2685 // but for now we impact all users. 2686 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2687 // "revoke " + permissionName); 2688 int[] users = sUserManager.getUserIds(); 2689 for (int user : users) { 2690 am.killUid(UserHandle.getUid(user, changedAppId), 2691 "revoke " + permissionName); 2692 } 2693 } catch (RemoteException e) { 2694 } finally { 2695 Binder.restoreCallingIdentity(ident); 2696 } 2697 } 2698 } 2699 } 2700 2701 @Override 2702 public boolean isProtectedBroadcast(String actionName) { 2703 synchronized (mPackages) { 2704 return mProtectedBroadcasts.contains(actionName); 2705 } 2706 } 2707 2708 @Override 2709 public int checkSignatures(String pkg1, String pkg2) { 2710 synchronized (mPackages) { 2711 final PackageParser.Package p1 = mPackages.get(pkg1); 2712 final PackageParser.Package p2 = mPackages.get(pkg2); 2713 if (p1 == null || p1.mExtras == null 2714 || p2 == null || p2.mExtras == null) { 2715 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2716 } 2717 return compareSignatures(p1.mSignatures, p2.mSignatures); 2718 } 2719 } 2720 2721 @Override 2722 public int checkUidSignatures(int uid1, int uid2) { 2723 // Map to base uids. 2724 uid1 = UserHandle.getAppId(uid1); 2725 uid2 = UserHandle.getAppId(uid2); 2726 // reader 2727 synchronized (mPackages) { 2728 Signature[] s1; 2729 Signature[] s2; 2730 Object obj = mSettings.getUserIdLPr(uid1); 2731 if (obj != null) { 2732 if (obj instanceof SharedUserSetting) { 2733 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2734 } else if (obj instanceof PackageSetting) { 2735 s1 = ((PackageSetting)obj).signatures.mSignatures; 2736 } else { 2737 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2738 } 2739 } else { 2740 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2741 } 2742 obj = mSettings.getUserIdLPr(uid2); 2743 if (obj != null) { 2744 if (obj instanceof SharedUserSetting) { 2745 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2746 } else if (obj instanceof PackageSetting) { 2747 s2 = ((PackageSetting)obj).signatures.mSignatures; 2748 } else { 2749 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2750 } 2751 } else { 2752 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2753 } 2754 return compareSignatures(s1, s2); 2755 } 2756 } 2757 2758 /** 2759 * Compares two sets of signatures. Returns: 2760 * <br /> 2761 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2762 * <br /> 2763 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2764 * <br /> 2765 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2766 * <br /> 2767 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2768 * <br /> 2769 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2770 */ 2771 static int compareSignatures(Signature[] s1, Signature[] s2) { 2772 if (s1 == null) { 2773 return s2 == null 2774 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2775 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2776 } 2777 2778 if (s2 == null) { 2779 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2780 } 2781 2782 if (s1.length != s2.length) { 2783 return PackageManager.SIGNATURE_NO_MATCH; 2784 } 2785 2786 // Since both signature sets are of size 1, we can compare without HashSets. 2787 if (s1.length == 1) { 2788 return s1[0].equals(s2[0]) ? 2789 PackageManager.SIGNATURE_MATCH : 2790 PackageManager.SIGNATURE_NO_MATCH; 2791 } 2792 2793 HashSet<Signature> set1 = new HashSet<Signature>(); 2794 for (Signature sig : s1) { 2795 set1.add(sig); 2796 } 2797 HashSet<Signature> set2 = new HashSet<Signature>(); 2798 for (Signature sig : s2) { 2799 set2.add(sig); 2800 } 2801 // Make sure s2 contains all signatures in s1. 2802 if (set1.equals(set2)) { 2803 return PackageManager.SIGNATURE_MATCH; 2804 } 2805 return PackageManager.SIGNATURE_NO_MATCH; 2806 } 2807 2808 /** 2809 * If the database version for this type of package (internal storage or 2810 * external storage) is less than the version where package signatures 2811 * were updated, return true. 2812 */ 2813 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2814 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2815 DatabaseVersion.SIGNATURE_END_ENTITY)) 2816 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2817 DatabaseVersion.SIGNATURE_END_ENTITY)); 2818 } 2819 2820 /** 2821 * Used for backward compatibility to make sure any packages with 2822 * certificate chains get upgraded to the new style. {@code existingSigs} 2823 * will be in the old format (since they were stored on disk from before the 2824 * system upgrade) and {@code scannedSigs} will be in the newer format. 2825 */ 2826 private int compareSignaturesCompat(PackageSignatures existingSigs, 2827 PackageParser.Package scannedPkg) { 2828 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2829 return PackageManager.SIGNATURE_NO_MATCH; 2830 } 2831 2832 HashSet<Signature> existingSet = new HashSet<Signature>(); 2833 for (Signature sig : existingSigs.mSignatures) { 2834 existingSet.add(sig); 2835 } 2836 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2837 for (Signature sig : scannedPkg.mSignatures) { 2838 try { 2839 Signature[] chainSignatures = sig.getChainSignatures(); 2840 for (Signature chainSig : chainSignatures) { 2841 scannedCompatSet.add(chainSig); 2842 } 2843 } catch (CertificateEncodingException e) { 2844 scannedCompatSet.add(sig); 2845 } 2846 } 2847 /* 2848 * Make sure the expanded scanned set contains all signatures in the 2849 * existing one. 2850 */ 2851 if (scannedCompatSet.equals(existingSet)) { 2852 // Migrate the old signatures to the new scheme. 2853 existingSigs.assignSignatures(scannedPkg.mSignatures); 2854 // The new KeySets will be re-added later in the scanning process. 2855 synchronized (mPackages) { 2856 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2857 } 2858 return PackageManager.SIGNATURE_MATCH; 2859 } 2860 return PackageManager.SIGNATURE_NO_MATCH; 2861 } 2862 2863 @Override 2864 public String[] getPackagesForUid(int uid) { 2865 uid = UserHandle.getAppId(uid); 2866 // reader 2867 synchronized (mPackages) { 2868 Object obj = mSettings.getUserIdLPr(uid); 2869 if (obj instanceof SharedUserSetting) { 2870 final SharedUserSetting sus = (SharedUserSetting) obj; 2871 final int N = sus.packages.size(); 2872 final String[] res = new String[N]; 2873 final Iterator<PackageSetting> it = sus.packages.iterator(); 2874 int i = 0; 2875 while (it.hasNext()) { 2876 res[i++] = it.next().name; 2877 } 2878 return res; 2879 } else if (obj instanceof PackageSetting) { 2880 final PackageSetting ps = (PackageSetting) obj; 2881 return new String[] { ps.name }; 2882 } 2883 } 2884 return null; 2885 } 2886 2887 @Override 2888 public String getNameForUid(int uid) { 2889 // reader 2890 synchronized (mPackages) { 2891 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2892 if (obj instanceof SharedUserSetting) { 2893 final SharedUserSetting sus = (SharedUserSetting) obj; 2894 return sus.name + ":" + sus.userId; 2895 } else if (obj instanceof PackageSetting) { 2896 final PackageSetting ps = (PackageSetting) obj; 2897 return ps.name; 2898 } 2899 } 2900 return null; 2901 } 2902 2903 @Override 2904 public int getUidForSharedUser(String sharedUserName) { 2905 if(sharedUserName == null) { 2906 return -1; 2907 } 2908 // reader 2909 synchronized (mPackages) { 2910 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2911 if (suid == null) { 2912 return -1; 2913 } 2914 return suid.userId; 2915 } 2916 } 2917 2918 @Override 2919 public int getFlagsForUid(int uid) { 2920 synchronized (mPackages) { 2921 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2922 if (obj instanceof SharedUserSetting) { 2923 final SharedUserSetting sus = (SharedUserSetting) obj; 2924 return sus.pkgFlags; 2925 } else if (obj instanceof PackageSetting) { 2926 final PackageSetting ps = (PackageSetting) obj; 2927 return ps.pkgFlags; 2928 } 2929 } 2930 return 0; 2931 } 2932 2933 @Override 2934 public boolean isUidPrivileged(int uid) { 2935 uid = UserHandle.getAppId(uid); 2936 // reader 2937 synchronized (mPackages) { 2938 Object obj = mSettings.getUserIdLPr(uid); 2939 if (obj instanceof SharedUserSetting) { 2940 final SharedUserSetting sus = (SharedUserSetting) obj; 2941 final Iterator<PackageSetting> it = sus.packages.iterator(); 2942 while (it.hasNext()) { 2943 if (it.next().isPrivileged()) { 2944 return true; 2945 } 2946 } 2947 } else if (obj instanceof PackageSetting) { 2948 final PackageSetting ps = (PackageSetting) obj; 2949 return ps.isPrivileged(); 2950 } 2951 } 2952 return false; 2953 } 2954 2955 @Override 2956 public String[] getAppOpPermissionPackages(String permissionName) { 2957 synchronized (mPackages) { 2958 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2959 if (pkgs == null) { 2960 return null; 2961 } 2962 return pkgs.toArray(new String[pkgs.size()]); 2963 } 2964 } 2965 2966 @Override 2967 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2968 int flags, int userId) { 2969 if (!sUserManager.exists(userId)) return null; 2970 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 2971 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2972 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2973 } 2974 2975 @Override 2976 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2977 IntentFilter filter, int match, ComponentName activity) { 2978 final int userId = UserHandle.getCallingUserId(); 2979 if (DEBUG_PREFERRED) { 2980 Log.v(TAG, "setLastChosenActivity intent=" + intent 2981 + " resolvedType=" + resolvedType 2982 + " flags=" + flags 2983 + " filter=" + filter 2984 + " match=" + match 2985 + " activity=" + activity); 2986 filter.dump(new PrintStreamPrinter(System.out), " "); 2987 } 2988 intent.setComponent(null); 2989 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2990 // Find any earlier preferred or last chosen entries and nuke them 2991 findPreferredActivity(intent, resolvedType, 2992 flags, query, 0, false, true, false, userId); 2993 // Add the new activity as the last chosen for this filter 2994 addPreferredActivityInternal(filter, match, null, activity, false, userId, 2995 "Setting last chosen"); 2996 } 2997 2998 @Override 2999 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3000 final int userId = UserHandle.getCallingUserId(); 3001 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3002 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3003 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3004 false, false, false, userId); 3005 } 3006 3007 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3008 int flags, List<ResolveInfo> query, int userId) { 3009 if (query != null) { 3010 final int N = query.size(); 3011 if (N == 1) { 3012 return query.get(0); 3013 } else if (N > 1) { 3014 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3015 // If there is more than one activity with the same priority, 3016 // then let the user decide between them. 3017 ResolveInfo r0 = query.get(0); 3018 ResolveInfo r1 = query.get(1); 3019 if (DEBUG_INTENT_MATCHING || debug) { 3020 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3021 + r1.activityInfo.name + "=" + r1.priority); 3022 } 3023 // If the first activity has a higher priority, or a different 3024 // default, then it is always desireable to pick it. 3025 if (r0.priority != r1.priority 3026 || r0.preferredOrder != r1.preferredOrder 3027 || r0.isDefault != r1.isDefault) { 3028 return query.get(0); 3029 } 3030 // If we have saved a preference for a preferred activity for 3031 // this Intent, use that. 3032 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3033 flags, query, r0.priority, true, false, debug, userId); 3034 if (ri != null) { 3035 return ri; 3036 } 3037 if (userId != 0) { 3038 ri = new ResolveInfo(mResolveInfo); 3039 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3040 ri.activityInfo.applicationInfo = new ApplicationInfo( 3041 ri.activityInfo.applicationInfo); 3042 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3043 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3044 return ri; 3045 } 3046 return mResolveInfo; 3047 } 3048 } 3049 return null; 3050 } 3051 3052 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3053 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3054 final int N = query.size(); 3055 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3056 .get(userId); 3057 // Get the list of persistent preferred activities that handle the intent 3058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3059 List<PersistentPreferredActivity> pprefs = ppir != null 3060 ? ppir.queryIntent(intent, resolvedType, 3061 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3062 : null; 3063 if (pprefs != null && pprefs.size() > 0) { 3064 final int M = pprefs.size(); 3065 for (int i=0; i<M; i++) { 3066 final PersistentPreferredActivity ppa = pprefs.get(i); 3067 if (DEBUG_PREFERRED || debug) { 3068 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3069 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3070 + "\n component=" + ppa.mComponent); 3071 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3072 } 3073 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3074 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3075 if (DEBUG_PREFERRED || debug) { 3076 Slog.v(TAG, "Found persistent preferred activity:"); 3077 if (ai != null) { 3078 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3079 } else { 3080 Slog.v(TAG, " null"); 3081 } 3082 } 3083 if (ai == null) { 3084 // This previously registered persistent preferred activity 3085 // component is no longer known. Ignore it and do NOT remove it. 3086 continue; 3087 } 3088 for (int j=0; j<N; j++) { 3089 final ResolveInfo ri = query.get(j); 3090 if (!ri.activityInfo.applicationInfo.packageName 3091 .equals(ai.applicationInfo.packageName)) { 3092 continue; 3093 } 3094 if (!ri.activityInfo.name.equals(ai.name)) { 3095 continue; 3096 } 3097 // Found a persistent preference that can handle the intent. 3098 if (DEBUG_PREFERRED || debug) { 3099 Slog.v(TAG, "Returning persistent preferred activity: " + 3100 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3101 } 3102 return ri; 3103 } 3104 } 3105 } 3106 return null; 3107 } 3108 3109 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3110 List<ResolveInfo> query, int priority, boolean always, 3111 boolean removeMatches, boolean debug, int userId) { 3112 if (!sUserManager.exists(userId)) return null; 3113 // writer 3114 synchronized (mPackages) { 3115 if (intent.getSelector() != null) { 3116 intent = intent.getSelector(); 3117 } 3118 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3119 3120 // Try to find a matching persistent preferred activity. 3121 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3122 debug, userId); 3123 3124 // If a persistent preferred activity matched, use it. 3125 if (pri != null) { 3126 return pri; 3127 } 3128 3129 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3130 // Get the list of preferred activities that handle the intent 3131 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3132 List<PreferredActivity> prefs = pir != null 3133 ? pir.queryIntent(intent, resolvedType, 3134 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3135 : null; 3136 if (prefs != null && prefs.size() > 0) { 3137 boolean changed = false; 3138 try { 3139 // First figure out how good the original match set is. 3140 // We will only allow preferred activities that came 3141 // from the same match quality. 3142 int match = 0; 3143 3144 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3145 3146 final int N = query.size(); 3147 for (int j=0; j<N; j++) { 3148 final ResolveInfo ri = query.get(j); 3149 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3150 + ": 0x" + Integer.toHexString(match)); 3151 if (ri.match > match) { 3152 match = ri.match; 3153 } 3154 } 3155 3156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3157 + Integer.toHexString(match)); 3158 3159 match &= IntentFilter.MATCH_CATEGORY_MASK; 3160 final int M = prefs.size(); 3161 for (int i=0; i<M; i++) { 3162 final PreferredActivity pa = prefs.get(i); 3163 if (DEBUG_PREFERRED || debug) { 3164 Slog.v(TAG, "Checking PreferredActivity ds=" 3165 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3166 + "\n component=" + pa.mPref.mComponent); 3167 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3168 } 3169 if (pa.mPref.mMatch != match) { 3170 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3171 + Integer.toHexString(pa.mPref.mMatch)); 3172 continue; 3173 } 3174 // If it's not an "always" type preferred activity and that's what we're 3175 // looking for, skip it. 3176 if (always && !pa.mPref.mAlways) { 3177 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3178 continue; 3179 } 3180 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3181 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3182 if (DEBUG_PREFERRED || debug) { 3183 Slog.v(TAG, "Found preferred activity:"); 3184 if (ai != null) { 3185 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3186 } else { 3187 Slog.v(TAG, " null"); 3188 } 3189 } 3190 if (ai == null) { 3191 // This previously registered preferred activity 3192 // component is no longer known. Most likely an update 3193 // to the app was installed and in the new version this 3194 // component no longer exists. Clean it up by removing 3195 // it from the preferred activities list, and skip it. 3196 Slog.w(TAG, "Removing dangling preferred activity: " 3197 + pa.mPref.mComponent); 3198 pir.removeFilter(pa); 3199 changed = true; 3200 continue; 3201 } 3202 for (int j=0; j<N; j++) { 3203 final ResolveInfo ri = query.get(j); 3204 if (!ri.activityInfo.applicationInfo.packageName 3205 .equals(ai.applicationInfo.packageName)) { 3206 continue; 3207 } 3208 if (!ri.activityInfo.name.equals(ai.name)) { 3209 continue; 3210 } 3211 3212 if (removeMatches) { 3213 pir.removeFilter(pa); 3214 changed = true; 3215 if (DEBUG_PREFERRED) { 3216 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3217 } 3218 break; 3219 } 3220 3221 // Okay we found a previously set preferred or last chosen app. 3222 // If the result set is different from when this 3223 // was created, we need to clear it and re-ask the 3224 // user their preference, if we're looking for an "always" type entry. 3225 if (always && !pa.mPref.sameSet(query, priority)) { 3226 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3227 + intent + " type " + resolvedType); 3228 if (DEBUG_PREFERRED) { 3229 Slog.v(TAG, "Removing preferred activity since set changed " 3230 + pa.mPref.mComponent); 3231 } 3232 pir.removeFilter(pa); 3233 // Re-add the filter as a "last chosen" entry (!always) 3234 PreferredActivity lastChosen = new PreferredActivity( 3235 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3236 pir.addFilter(lastChosen); 3237 changed = true; 3238 return null; 3239 } 3240 3241 // Yay! Either the set matched or we're looking for the last chosen 3242 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3243 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3244 return ri; 3245 } 3246 } 3247 } finally { 3248 if (changed) { 3249 if (DEBUG_PREFERRED) { 3250 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3251 } 3252 mSettings.writePackageRestrictionsLPr(userId); 3253 } 3254 } 3255 } 3256 } 3257 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3258 return null; 3259 } 3260 3261 /* 3262 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3263 */ 3264 @Override 3265 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3266 int targetUserId) { 3267 mContext.enforceCallingOrSelfPermission( 3268 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3269 List<CrossProfileIntentFilter> matches = 3270 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3271 if (matches != null) { 3272 int size = matches.size(); 3273 for (int i = 0; i < size; i++) { 3274 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3275 } 3276 } 3277 return false; 3278 } 3279 3280 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3281 String resolvedType, int userId) { 3282 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3283 if (resolver != null) { 3284 return resolver.queryIntent(intent, resolvedType, false, userId); 3285 } 3286 return null; 3287 } 3288 3289 @Override 3290 public List<ResolveInfo> queryIntentActivities(Intent intent, 3291 String resolvedType, int flags, int userId) { 3292 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3293 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3294 ComponentName comp = intent.getComponent(); 3295 if (comp == null) { 3296 if (intent.getSelector() != null) { 3297 intent = intent.getSelector(); 3298 comp = intent.getComponent(); 3299 } 3300 } 3301 3302 if (comp != null) { 3303 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3304 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3305 if (ai != null) { 3306 final ResolveInfo ri = new ResolveInfo(); 3307 ri.activityInfo = ai; 3308 list.add(ri); 3309 } 3310 return list; 3311 } 3312 3313 // reader 3314 synchronized (mPackages) { 3315 final String pkgName = intent.getPackage(); 3316 if (pkgName == null) { 3317 List<CrossProfileIntentFilter> matchingFilters = 3318 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3319 // Check for results that need to skip the current profile. 3320 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3321 resolvedType, flags, userId); 3322 if (resolveInfo != null) { 3323 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3324 result.add(resolveInfo); 3325 return result; 3326 } 3327 // Check for cross profile results. 3328 resolveInfo = queryCrossProfileIntents( 3329 matchingFilters, intent, resolvedType, flags, userId); 3330 3331 // Check for results in the current profile. 3332 List<ResolveInfo> result = mActivities.queryIntent( 3333 intent, resolvedType, flags, userId); 3334 if (resolveInfo != null) { 3335 result.add(resolveInfo); 3336 Collections.sort(result, mResolvePrioritySorter); 3337 } 3338 return result; 3339 } 3340 final PackageParser.Package pkg = mPackages.get(pkgName); 3341 if (pkg != null) { 3342 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3343 pkg.activities, userId); 3344 } 3345 return new ArrayList<ResolveInfo>(); 3346 } 3347 } 3348 3349 private ResolveInfo querySkipCurrentProfileIntents( 3350 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3351 int flags, int sourceUserId) { 3352 if (matchingFilters != null) { 3353 int size = matchingFilters.size(); 3354 for (int i = 0; i < size; i ++) { 3355 CrossProfileIntentFilter filter = matchingFilters.get(i); 3356 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3357 // Checking if there are activities in the target user that can handle the 3358 // intent. 3359 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3360 flags, sourceUserId); 3361 if (resolveInfo != null) { 3362 return resolveInfo; 3363 } 3364 } 3365 } 3366 } 3367 return null; 3368 } 3369 3370 // Return matching ResolveInfo if any for skip current profile intent filters. 3371 private ResolveInfo queryCrossProfileIntents( 3372 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3373 int flags, int sourceUserId) { 3374 if (matchingFilters != null) { 3375 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3376 // match the same intent. For performance reasons, it is better not to 3377 // run queryIntent twice for the same userId 3378 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3379 int size = matchingFilters.size(); 3380 for (int i = 0; i < size; i++) { 3381 CrossProfileIntentFilter filter = matchingFilters.get(i); 3382 int targetUserId = filter.getTargetUserId(); 3383 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3384 && !alreadyTriedUserIds.get(targetUserId)) { 3385 // Checking if there are activities in the target user that can handle the 3386 // intent. 3387 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3388 flags, sourceUserId); 3389 if (resolveInfo != null) return resolveInfo; 3390 alreadyTriedUserIds.put(targetUserId, true); 3391 } 3392 } 3393 } 3394 return null; 3395 } 3396 3397 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3398 String resolvedType, int flags, int sourceUserId) { 3399 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3400 resolvedType, flags, filter.getTargetUserId()); 3401 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3402 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3403 } 3404 return null; 3405 } 3406 3407 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3408 int sourceUserId, int targetUserId) { 3409 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3410 String className; 3411 if (targetUserId == UserHandle.USER_OWNER) { 3412 className = FORWARD_INTENT_TO_USER_OWNER; 3413 } else { 3414 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3415 } 3416 ComponentName forwardingActivityComponentName = new ComponentName( 3417 mAndroidApplication.packageName, className); 3418 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3419 sourceUserId); 3420 if (targetUserId == UserHandle.USER_OWNER) { 3421 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3422 forwardingResolveInfo.noResourceId = true; 3423 } 3424 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3425 forwardingResolveInfo.priority = 0; 3426 forwardingResolveInfo.preferredOrder = 0; 3427 forwardingResolveInfo.match = 0; 3428 forwardingResolveInfo.isDefault = true; 3429 forwardingResolveInfo.filter = filter; 3430 forwardingResolveInfo.targetUserId = targetUserId; 3431 return forwardingResolveInfo; 3432 } 3433 3434 @Override 3435 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3436 Intent[] specifics, String[] specificTypes, Intent intent, 3437 String resolvedType, int flags, int userId) { 3438 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3439 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3440 false, "query intent activity options"); 3441 final String resultsAction = intent.getAction(); 3442 3443 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3444 | PackageManager.GET_RESOLVED_FILTER, userId); 3445 3446 if (DEBUG_INTENT_MATCHING) { 3447 Log.v(TAG, "Query " + intent + ": " + results); 3448 } 3449 3450 int specificsPos = 0; 3451 int N; 3452 3453 // todo: note that the algorithm used here is O(N^2). This 3454 // isn't a problem in our current environment, but if we start running 3455 // into situations where we have more than 5 or 10 matches then this 3456 // should probably be changed to something smarter... 3457 3458 // First we go through and resolve each of the specific items 3459 // that were supplied, taking care of removing any corresponding 3460 // duplicate items in the generic resolve list. 3461 if (specifics != null) { 3462 for (int i=0; i<specifics.length; i++) { 3463 final Intent sintent = specifics[i]; 3464 if (sintent == null) { 3465 continue; 3466 } 3467 3468 if (DEBUG_INTENT_MATCHING) { 3469 Log.v(TAG, "Specific #" + i + ": " + sintent); 3470 } 3471 3472 String action = sintent.getAction(); 3473 if (resultsAction != null && resultsAction.equals(action)) { 3474 // If this action was explicitly requested, then don't 3475 // remove things that have it. 3476 action = null; 3477 } 3478 3479 ResolveInfo ri = null; 3480 ActivityInfo ai = null; 3481 3482 ComponentName comp = sintent.getComponent(); 3483 if (comp == null) { 3484 ri = resolveIntent( 3485 sintent, 3486 specificTypes != null ? specificTypes[i] : null, 3487 flags, userId); 3488 if (ri == null) { 3489 continue; 3490 } 3491 if (ri == mResolveInfo) { 3492 // ACK! Must do something better with this. 3493 } 3494 ai = ri.activityInfo; 3495 comp = new ComponentName(ai.applicationInfo.packageName, 3496 ai.name); 3497 } else { 3498 ai = getActivityInfo(comp, flags, userId); 3499 if (ai == null) { 3500 continue; 3501 } 3502 } 3503 3504 // Look for any generic query activities that are duplicates 3505 // of this specific one, and remove them from the results. 3506 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3507 N = results.size(); 3508 int j; 3509 for (j=specificsPos; j<N; j++) { 3510 ResolveInfo sri = results.get(j); 3511 if ((sri.activityInfo.name.equals(comp.getClassName()) 3512 && sri.activityInfo.applicationInfo.packageName.equals( 3513 comp.getPackageName())) 3514 || (action != null && sri.filter.matchAction(action))) { 3515 results.remove(j); 3516 if (DEBUG_INTENT_MATCHING) Log.v( 3517 TAG, "Removing duplicate item from " + j 3518 + " due to specific " + specificsPos); 3519 if (ri == null) { 3520 ri = sri; 3521 } 3522 j--; 3523 N--; 3524 } 3525 } 3526 3527 // Add this specific item to its proper place. 3528 if (ri == null) { 3529 ri = new ResolveInfo(); 3530 ri.activityInfo = ai; 3531 } 3532 results.add(specificsPos, ri); 3533 ri.specificIndex = i; 3534 specificsPos++; 3535 } 3536 } 3537 3538 // Now we go through the remaining generic results and remove any 3539 // duplicate actions that are found here. 3540 N = results.size(); 3541 for (int i=specificsPos; i<N-1; i++) { 3542 final ResolveInfo rii = results.get(i); 3543 if (rii.filter == null) { 3544 continue; 3545 } 3546 3547 // Iterate over all of the actions of this result's intent 3548 // filter... typically this should be just one. 3549 final Iterator<String> it = rii.filter.actionsIterator(); 3550 if (it == null) { 3551 continue; 3552 } 3553 while (it.hasNext()) { 3554 final String action = it.next(); 3555 if (resultsAction != null && resultsAction.equals(action)) { 3556 // If this action was explicitly requested, then don't 3557 // remove things that have it. 3558 continue; 3559 } 3560 for (int j=i+1; j<N; j++) { 3561 final ResolveInfo rij = results.get(j); 3562 if (rij.filter != null && rij.filter.hasAction(action)) { 3563 results.remove(j); 3564 if (DEBUG_INTENT_MATCHING) Log.v( 3565 TAG, "Removing duplicate item from " + j 3566 + " due to action " + action + " at " + i); 3567 j--; 3568 N--; 3569 } 3570 } 3571 } 3572 3573 // If the caller didn't request filter information, drop it now 3574 // so we don't have to marshall/unmarshall it. 3575 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3576 rii.filter = null; 3577 } 3578 } 3579 3580 // Filter out the caller activity if so requested. 3581 if (caller != null) { 3582 N = results.size(); 3583 for (int i=0; i<N; i++) { 3584 ActivityInfo ainfo = results.get(i).activityInfo; 3585 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3586 && caller.getClassName().equals(ainfo.name)) { 3587 results.remove(i); 3588 break; 3589 } 3590 } 3591 } 3592 3593 // If the caller didn't request filter information, 3594 // drop them now so we don't have to 3595 // marshall/unmarshall it. 3596 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3597 N = results.size(); 3598 for (int i=0; i<N; i++) { 3599 results.get(i).filter = null; 3600 } 3601 } 3602 3603 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3604 return results; 3605 } 3606 3607 @Override 3608 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3609 int userId) { 3610 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3611 ComponentName comp = intent.getComponent(); 3612 if (comp == null) { 3613 if (intent.getSelector() != null) { 3614 intent = intent.getSelector(); 3615 comp = intent.getComponent(); 3616 } 3617 } 3618 if (comp != null) { 3619 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3620 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3621 if (ai != null) { 3622 ResolveInfo ri = new ResolveInfo(); 3623 ri.activityInfo = ai; 3624 list.add(ri); 3625 } 3626 return list; 3627 } 3628 3629 // reader 3630 synchronized (mPackages) { 3631 String pkgName = intent.getPackage(); 3632 if (pkgName == null) { 3633 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3634 } 3635 final PackageParser.Package pkg = mPackages.get(pkgName); 3636 if (pkg != null) { 3637 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3638 userId); 3639 } 3640 return null; 3641 } 3642 } 3643 3644 @Override 3645 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3646 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3647 if (!sUserManager.exists(userId)) return null; 3648 if (query != null) { 3649 if (query.size() >= 1) { 3650 // If there is more than one service with the same priority, 3651 // just arbitrarily pick the first one. 3652 return query.get(0); 3653 } 3654 } 3655 return null; 3656 } 3657 3658 @Override 3659 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3660 int userId) { 3661 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3662 ComponentName comp = intent.getComponent(); 3663 if (comp == null) { 3664 if (intent.getSelector() != null) { 3665 intent = intent.getSelector(); 3666 comp = intent.getComponent(); 3667 } 3668 } 3669 if (comp != null) { 3670 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3671 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3672 if (si != null) { 3673 final ResolveInfo ri = new ResolveInfo(); 3674 ri.serviceInfo = si; 3675 list.add(ri); 3676 } 3677 return list; 3678 } 3679 3680 // reader 3681 synchronized (mPackages) { 3682 String pkgName = intent.getPackage(); 3683 if (pkgName == null) { 3684 return mServices.queryIntent(intent, resolvedType, flags, userId); 3685 } 3686 final PackageParser.Package pkg = mPackages.get(pkgName); 3687 if (pkg != null) { 3688 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3689 userId); 3690 } 3691 return null; 3692 } 3693 } 3694 3695 @Override 3696 public List<ResolveInfo> queryIntentContentProviders( 3697 Intent intent, String resolvedType, int flags, int userId) { 3698 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3699 ComponentName comp = intent.getComponent(); 3700 if (comp == null) { 3701 if (intent.getSelector() != null) { 3702 intent = intent.getSelector(); 3703 comp = intent.getComponent(); 3704 } 3705 } 3706 if (comp != null) { 3707 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3708 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3709 if (pi != null) { 3710 final ResolveInfo ri = new ResolveInfo(); 3711 ri.providerInfo = pi; 3712 list.add(ri); 3713 } 3714 return list; 3715 } 3716 3717 // reader 3718 synchronized (mPackages) { 3719 String pkgName = intent.getPackage(); 3720 if (pkgName == null) { 3721 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3722 } 3723 final PackageParser.Package pkg = mPackages.get(pkgName); 3724 if (pkg != null) { 3725 return mProviders.queryIntentForPackage( 3726 intent, resolvedType, flags, pkg.providers, userId); 3727 } 3728 return null; 3729 } 3730 } 3731 3732 @Override 3733 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3734 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3735 3736 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3737 3738 // writer 3739 synchronized (mPackages) { 3740 ArrayList<PackageInfo> list; 3741 if (listUninstalled) { 3742 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3743 for (PackageSetting ps : mSettings.mPackages.values()) { 3744 PackageInfo pi; 3745 if (ps.pkg != null) { 3746 pi = generatePackageInfo(ps.pkg, flags, userId); 3747 } else { 3748 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3749 } 3750 if (pi != null) { 3751 list.add(pi); 3752 } 3753 } 3754 } else { 3755 list = new ArrayList<PackageInfo>(mPackages.size()); 3756 for (PackageParser.Package p : mPackages.values()) { 3757 PackageInfo pi = generatePackageInfo(p, flags, userId); 3758 if (pi != null) { 3759 list.add(pi); 3760 } 3761 } 3762 } 3763 3764 return new ParceledListSlice<PackageInfo>(list); 3765 } 3766 } 3767 3768 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3769 String[] permissions, boolean[] tmp, int flags, int userId) { 3770 int numMatch = 0; 3771 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3772 for (int i=0; i<permissions.length; i++) { 3773 if (gp.grantedPermissions.contains(permissions[i])) { 3774 tmp[i] = true; 3775 numMatch++; 3776 } else { 3777 tmp[i] = false; 3778 } 3779 } 3780 if (numMatch == 0) { 3781 return; 3782 } 3783 PackageInfo pi; 3784 if (ps.pkg != null) { 3785 pi = generatePackageInfo(ps.pkg, flags, userId); 3786 } else { 3787 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3788 } 3789 // The above might return null in cases of uninstalled apps or install-state 3790 // skew across users/profiles. 3791 if (pi != null) { 3792 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3793 if (numMatch == permissions.length) { 3794 pi.requestedPermissions = permissions; 3795 } else { 3796 pi.requestedPermissions = new String[numMatch]; 3797 numMatch = 0; 3798 for (int i=0; i<permissions.length; i++) { 3799 if (tmp[i]) { 3800 pi.requestedPermissions[numMatch] = permissions[i]; 3801 numMatch++; 3802 } 3803 } 3804 } 3805 } 3806 list.add(pi); 3807 } 3808 } 3809 3810 @Override 3811 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3812 String[] permissions, int flags, int userId) { 3813 if (!sUserManager.exists(userId)) return null; 3814 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3815 3816 // writer 3817 synchronized (mPackages) { 3818 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3819 boolean[] tmpBools = new boolean[permissions.length]; 3820 if (listUninstalled) { 3821 for (PackageSetting ps : mSettings.mPackages.values()) { 3822 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3823 } 3824 } else { 3825 for (PackageParser.Package pkg : mPackages.values()) { 3826 PackageSetting ps = (PackageSetting)pkg.mExtras; 3827 if (ps != null) { 3828 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3829 userId); 3830 } 3831 } 3832 } 3833 3834 return new ParceledListSlice<PackageInfo>(list); 3835 } 3836 } 3837 3838 @Override 3839 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3840 if (!sUserManager.exists(userId)) return null; 3841 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3842 3843 // writer 3844 synchronized (mPackages) { 3845 ArrayList<ApplicationInfo> list; 3846 if (listUninstalled) { 3847 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3848 for (PackageSetting ps : mSettings.mPackages.values()) { 3849 ApplicationInfo ai; 3850 if (ps.pkg != null) { 3851 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3852 ps.readUserState(userId), userId); 3853 } else { 3854 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3855 } 3856 if (ai != null) { 3857 list.add(ai); 3858 } 3859 } 3860 } else { 3861 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3862 for (PackageParser.Package p : mPackages.values()) { 3863 if (p.mExtras != null) { 3864 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3865 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3866 if (ai != null) { 3867 list.add(ai); 3868 } 3869 } 3870 } 3871 } 3872 3873 return new ParceledListSlice<ApplicationInfo>(list); 3874 } 3875 } 3876 3877 public List<ApplicationInfo> getPersistentApplications(int flags) { 3878 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3879 3880 // reader 3881 synchronized (mPackages) { 3882 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3883 final int userId = UserHandle.getCallingUserId(); 3884 while (i.hasNext()) { 3885 final PackageParser.Package p = i.next(); 3886 if (p.applicationInfo != null 3887 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3888 && (!mSafeMode || isSystemApp(p))) { 3889 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3890 if (ps != null) { 3891 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3892 ps.readUserState(userId), userId); 3893 if (ai != null) { 3894 finalList.add(ai); 3895 } 3896 } 3897 } 3898 } 3899 } 3900 3901 return finalList; 3902 } 3903 3904 @Override 3905 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3906 if (!sUserManager.exists(userId)) return null; 3907 // reader 3908 synchronized (mPackages) { 3909 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3910 PackageSetting ps = provider != null 3911 ? mSettings.mPackages.get(provider.owner.packageName) 3912 : null; 3913 return ps != null 3914 && mSettings.isEnabledLPr(provider.info, flags, userId) 3915 && (!mSafeMode || (provider.info.applicationInfo.flags 3916 &ApplicationInfo.FLAG_SYSTEM) != 0) 3917 ? PackageParser.generateProviderInfo(provider, flags, 3918 ps.readUserState(userId), userId) 3919 : null; 3920 } 3921 } 3922 3923 /** 3924 * @deprecated 3925 */ 3926 @Deprecated 3927 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3928 // reader 3929 synchronized (mPackages) { 3930 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3931 .entrySet().iterator(); 3932 final int userId = UserHandle.getCallingUserId(); 3933 while (i.hasNext()) { 3934 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3935 PackageParser.Provider p = entry.getValue(); 3936 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3937 3938 if (ps != null && p.syncable 3939 && (!mSafeMode || (p.info.applicationInfo.flags 3940 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3941 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3942 ps.readUserState(userId), userId); 3943 if (info != null) { 3944 outNames.add(entry.getKey()); 3945 outInfo.add(info); 3946 } 3947 } 3948 } 3949 } 3950 } 3951 3952 @Override 3953 public List<ProviderInfo> queryContentProviders(String processName, 3954 int uid, int flags) { 3955 ArrayList<ProviderInfo> finalList = null; 3956 // reader 3957 synchronized (mPackages) { 3958 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3959 final int userId = processName != null ? 3960 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3961 while (i.hasNext()) { 3962 final PackageParser.Provider p = i.next(); 3963 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3964 if (ps != null && p.info.authority != null 3965 && (processName == null 3966 || (p.info.processName.equals(processName) 3967 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3968 && mSettings.isEnabledLPr(p.info, flags, userId) 3969 && (!mSafeMode 3970 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3971 if (finalList == null) { 3972 finalList = new ArrayList<ProviderInfo>(3); 3973 } 3974 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3975 ps.readUserState(userId), userId); 3976 if (info != null) { 3977 finalList.add(info); 3978 } 3979 } 3980 } 3981 } 3982 3983 if (finalList != null) { 3984 Collections.sort(finalList, mProviderInitOrderSorter); 3985 } 3986 3987 return finalList; 3988 } 3989 3990 @Override 3991 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3992 int flags) { 3993 // reader 3994 synchronized (mPackages) { 3995 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3996 return PackageParser.generateInstrumentationInfo(i, flags); 3997 } 3998 } 3999 4000 @Override 4001 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4002 int flags) { 4003 ArrayList<InstrumentationInfo> finalList = 4004 new ArrayList<InstrumentationInfo>(); 4005 4006 // reader 4007 synchronized (mPackages) { 4008 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4009 while (i.hasNext()) { 4010 final PackageParser.Instrumentation p = i.next(); 4011 if (targetPackage == null 4012 || targetPackage.equals(p.info.targetPackage)) { 4013 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4014 flags); 4015 if (ii != null) { 4016 finalList.add(ii); 4017 } 4018 } 4019 } 4020 } 4021 4022 return finalList; 4023 } 4024 4025 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4026 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4027 if (overlays == null) { 4028 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4029 return; 4030 } 4031 for (PackageParser.Package opkg : overlays.values()) { 4032 // Not much to do if idmap fails: we already logged the error 4033 // and we certainly don't want to abort installation of pkg simply 4034 // because an overlay didn't fit properly. For these reasons, 4035 // ignore the return value of createIdmapForPackagePairLI. 4036 createIdmapForPackagePairLI(pkg, opkg); 4037 } 4038 } 4039 4040 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4041 PackageParser.Package opkg) { 4042 if (!opkg.mTrustedOverlay) { 4043 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4044 opkg.baseCodePath + ": overlay not trusted"); 4045 return false; 4046 } 4047 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4048 if (overlaySet == null) { 4049 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4050 opkg.baseCodePath + " but target package has no known overlays"); 4051 return false; 4052 } 4053 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4054 // TODO: generate idmap for split APKs 4055 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4056 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4057 + opkg.baseCodePath); 4058 return false; 4059 } 4060 PackageParser.Package[] overlayArray = 4061 overlaySet.values().toArray(new PackageParser.Package[0]); 4062 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4063 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4064 return p1.mOverlayPriority - p2.mOverlayPriority; 4065 } 4066 }; 4067 Arrays.sort(overlayArray, cmp); 4068 4069 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4070 int i = 0; 4071 for (PackageParser.Package p : overlayArray) { 4072 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4073 } 4074 return true; 4075 } 4076 4077 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4078 final File[] files = dir.listFiles(); 4079 if (ArrayUtils.isEmpty(files)) { 4080 Log.d(TAG, "No files in app dir " + dir); 4081 return; 4082 } 4083 4084 if (DEBUG_PACKAGE_SCANNING) { 4085 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4086 + " flags=0x" + Integer.toHexString(parseFlags)); 4087 } 4088 4089 for (File file : files) { 4090 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4091 && !PackageInstallerService.isStageName(file.getName()); 4092 if (!isPackage) { 4093 // Ignore entries which are not packages 4094 continue; 4095 } 4096 try { 4097 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4098 scanFlags, currentTime, null); 4099 } catch (PackageManagerException e) { 4100 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4101 4102 // Delete invalid userdata apps 4103 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4104 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4105 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4106 if (file.isDirectory()) { 4107 FileUtils.deleteContents(file); 4108 } 4109 file.delete(); 4110 } 4111 } 4112 } 4113 } 4114 4115 private static File getSettingsProblemFile() { 4116 File dataDir = Environment.getDataDirectory(); 4117 File systemDir = new File(dataDir, "system"); 4118 File fname = new File(systemDir, "uiderrors.txt"); 4119 return fname; 4120 } 4121 4122 static void reportSettingsProblem(int priority, String msg) { 4123 logCriticalInfo(priority, msg); 4124 } 4125 4126 static void logCriticalInfo(int priority, String msg) { 4127 Slog.println(priority, TAG, msg); 4128 EventLogTags.writePmCriticalInfo(msg); 4129 try { 4130 File fname = getSettingsProblemFile(); 4131 FileOutputStream out = new FileOutputStream(fname, true); 4132 PrintWriter pw = new FastPrintWriter(out); 4133 SimpleDateFormat formatter = new SimpleDateFormat(); 4134 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4135 pw.println(dateString + ": " + msg); 4136 pw.close(); 4137 FileUtils.setPermissions( 4138 fname.toString(), 4139 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4140 -1, -1); 4141 } catch (java.io.IOException e) { 4142 } 4143 } 4144 4145 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4146 PackageParser.Package pkg, File srcFile, int parseFlags) 4147 throws PackageManagerException { 4148 if (ps != null 4149 && ps.codePath.equals(srcFile) 4150 && ps.timeStamp == srcFile.lastModified() 4151 && !isCompatSignatureUpdateNeeded(pkg)) { 4152 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4153 if (ps.signatures.mSignatures != null 4154 && ps.signatures.mSignatures.length != 0 4155 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4156 // Optimization: reuse the existing cached certificates 4157 // if the package appears to be unchanged. 4158 pkg.mSignatures = ps.signatures.mSignatures; 4159 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4160 synchronized (mPackages) { 4161 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4162 } 4163 return; 4164 } 4165 4166 Slog.w(TAG, "PackageSetting for " + ps.name 4167 + " is missing signatures. Collecting certs again to recover them."); 4168 } else { 4169 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4170 } 4171 4172 try { 4173 pp.collectCertificates(pkg, parseFlags); 4174 pp.collectManifestDigest(pkg); 4175 } catch (PackageParserException e) { 4176 throw PackageManagerException.from(e); 4177 } 4178 } 4179 4180 /* 4181 * Scan a package and return the newly parsed package. 4182 * Returns null in case of errors and the error code is stored in mLastScanError 4183 */ 4184 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4185 long currentTime, UserHandle user) throws PackageManagerException { 4186 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4187 parseFlags |= mDefParseFlags; 4188 PackageParser pp = new PackageParser(); 4189 pp.setSeparateProcesses(mSeparateProcesses); 4190 pp.setOnlyCoreApps(mOnlyCore); 4191 pp.setDisplayMetrics(mMetrics); 4192 4193 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4194 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4195 } 4196 4197 final PackageParser.Package pkg; 4198 try { 4199 pkg = pp.parsePackage(scanFile, parseFlags); 4200 } catch (PackageParserException e) { 4201 throw PackageManagerException.from(e); 4202 } 4203 4204 PackageSetting ps = null; 4205 PackageSetting updatedPkg; 4206 // reader 4207 synchronized (mPackages) { 4208 // Look to see if we already know about this package. 4209 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4210 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4211 // This package has been renamed to its original name. Let's 4212 // use that. 4213 ps = mSettings.peekPackageLPr(oldName); 4214 } 4215 // If there was no original package, see one for the real package name. 4216 if (ps == null) { 4217 ps = mSettings.peekPackageLPr(pkg.packageName); 4218 } 4219 // Check to see if this package could be hiding/updating a system 4220 // package. Must look for it either under the original or real 4221 // package name depending on our state. 4222 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4223 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4224 } 4225 boolean updatedPkgBetter = false; 4226 // First check if this is a system package that may involve an update 4227 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4228 if (ps != null && !ps.codePath.equals(scanFile)) { 4229 // The path has changed from what was last scanned... check the 4230 // version of the new path against what we have stored to determine 4231 // what to do. 4232 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4233 if (pkg.mVersionCode < ps.versionCode) { 4234 // The system package has been updated and the code path does not match 4235 // Ignore entry. Skip it. 4236 logCriticalInfo(Log.INFO, "Package " + ps.name + " at " + scanFile 4237 + " ignored: updated version " + ps.versionCode 4238 + " better than this " + pkg.mVersionCode); 4239 if (!updatedPkg.codePath.equals(scanFile)) { 4240 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4241 + ps.name + " changing from " + updatedPkg.codePathString 4242 + " to " + scanFile); 4243 updatedPkg.codePath = scanFile; 4244 updatedPkg.codePathString = scanFile.toString(); 4245 // This is the point at which we know that the system-disk APK 4246 // for this package has moved during a reboot (e.g. due to an OTA), 4247 // so we need to reevaluate it for privilege policy. 4248 if (locationIsPrivileged(scanFile)) { 4249 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4250 } 4251 } 4252 updatedPkg.pkg = pkg; 4253 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4254 } else { 4255 // The current app on the system partition is better than 4256 // what we have updated to on the data partition; switch 4257 // back to the system partition version. 4258 // At this point, its safely assumed that package installation for 4259 // apps in system partition will go through. If not there won't be a working 4260 // version of the app 4261 // writer 4262 synchronized (mPackages) { 4263 // Just remove the loaded entries from package lists. 4264 mPackages.remove(ps.name); 4265 } 4266 4267 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4268 + " reverting from " + ps.codePathString 4269 + ": new version " + pkg.mVersionCode 4270 + " better than installed " + ps.versionCode); 4271 4272 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4273 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4274 getAppDexInstructionSets(ps)); 4275 synchronized (mInstallLock) { 4276 args.cleanUpResourcesLI(); 4277 } 4278 synchronized (mPackages) { 4279 mSettings.enableSystemPackageLPw(ps.name); 4280 } 4281 updatedPkgBetter = true; 4282 } 4283 } 4284 } 4285 4286 if (updatedPkg != null) { 4287 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4288 // initially 4289 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4290 4291 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4292 // flag set initially 4293 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4294 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4295 } 4296 } 4297 4298 // Verify certificates against what was last scanned 4299 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4300 4301 /* 4302 * A new system app appeared, but we already had a non-system one of the 4303 * same name installed earlier. 4304 */ 4305 boolean shouldHideSystemApp = false; 4306 if (updatedPkg == null && ps != null 4307 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4308 /* 4309 * Check to make sure the signatures match first. If they don't, 4310 * wipe the installed application and its data. 4311 */ 4312 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4313 != PackageManager.SIGNATURE_MATCH) { 4314 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4315 + " signatures don't match existing userdata copy; removing"); 4316 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4317 ps = null; 4318 } else { 4319 /* 4320 * If the newly-added system app is an older version than the 4321 * already installed version, hide it. It will be scanned later 4322 * and re-added like an update. 4323 */ 4324 if (pkg.mVersionCode < ps.versionCode) { 4325 shouldHideSystemApp = true; 4326 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4327 + " but new version " + pkg.mVersionCode + " better than installed " 4328 + ps.versionCode + "; hiding system"); 4329 } else { 4330 /* 4331 * The newly found system app is a newer version that the 4332 * one previously installed. Simply remove the 4333 * already-installed application and replace it with our own 4334 * while keeping the application data. 4335 */ 4336 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4337 + " reverting from " + ps.codePathString + ": new version " 4338 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4339 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4340 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4341 getAppDexInstructionSets(ps)); 4342 synchronized (mInstallLock) { 4343 args.cleanUpResourcesLI(); 4344 } 4345 } 4346 } 4347 } 4348 4349 // The apk is forward locked (not public) if its code and resources 4350 // are kept in different files. (except for app in either system or 4351 // vendor path). 4352 // TODO grab this value from PackageSettings 4353 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4354 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4355 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4356 } 4357 } 4358 4359 // TODO: extend to support forward-locked splits 4360 String resourcePath = null; 4361 String baseResourcePath = null; 4362 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4363 if (ps != null && ps.resourcePathString != null) { 4364 resourcePath = ps.resourcePathString; 4365 baseResourcePath = ps.resourcePathString; 4366 } else { 4367 // Should not happen at all. Just log an error. 4368 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4369 } 4370 } else { 4371 resourcePath = pkg.codePath; 4372 baseResourcePath = pkg.baseCodePath; 4373 } 4374 4375 // Set application objects path explicitly. 4376 pkg.applicationInfo.setCodePath(pkg.codePath); 4377 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4378 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4379 pkg.applicationInfo.setResourcePath(resourcePath); 4380 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4381 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4382 4383 // Note that we invoke the following method only if we are about to unpack an application 4384 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4385 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4386 4387 /* 4388 * If the system app should be overridden by a previously installed 4389 * data, hide the system app now and let the /data/app scan pick it up 4390 * again. 4391 */ 4392 if (shouldHideSystemApp) { 4393 synchronized (mPackages) { 4394 /* 4395 * We have to grant systems permissions before we hide, because 4396 * grantPermissions will assume the package update is trying to 4397 * expand its permissions. 4398 */ 4399 grantPermissionsLPw(pkg, true, pkg.packageName); 4400 mSettings.disableSystemPackageLPw(pkg.packageName); 4401 } 4402 } 4403 4404 return scannedPkg; 4405 } 4406 4407 private static String fixProcessName(String defProcessName, 4408 String processName, int uid) { 4409 if (processName == null) { 4410 return defProcessName; 4411 } 4412 return processName; 4413 } 4414 4415 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4416 throws PackageManagerException { 4417 if (pkgSetting.signatures.mSignatures != null) { 4418 // Already existing package. Make sure signatures match 4419 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4420 == PackageManager.SIGNATURE_MATCH; 4421 if (!match) { 4422 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4423 == PackageManager.SIGNATURE_MATCH; 4424 } 4425 if (!match) { 4426 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4427 + pkg.packageName + " signatures do not match the " 4428 + "previously installed version; ignoring!"); 4429 } 4430 } 4431 4432 // Check for shared user signatures 4433 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4434 // Already existing package. Make sure signatures match 4435 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4436 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4437 if (!match) { 4438 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4439 == PackageManager.SIGNATURE_MATCH; 4440 } 4441 if (!match) { 4442 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4443 "Package " + pkg.packageName 4444 + " has no signatures that match those in shared user " 4445 + pkgSetting.sharedUser.name + "; ignoring!"); 4446 } 4447 } 4448 } 4449 4450 /** 4451 * Enforces that only the system UID or root's UID can call a method exposed 4452 * via Binder. 4453 * 4454 * @param message used as message if SecurityException is thrown 4455 * @throws SecurityException if the caller is not system or root 4456 */ 4457 private static final void enforceSystemOrRoot(String message) { 4458 final int uid = Binder.getCallingUid(); 4459 if (uid != Process.SYSTEM_UID && uid != 0) { 4460 throw new SecurityException(message); 4461 } 4462 } 4463 4464 @Override 4465 public void performBootDexOpt() { 4466 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4467 4468 final HashSet<PackageParser.Package> pkgs; 4469 synchronized (mPackages) { 4470 pkgs = mDeferredDexOpt; 4471 mDeferredDexOpt = null; 4472 } 4473 4474 if (pkgs != null) { 4475 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4476 // in case the device runs out of space. 4477 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4478 // Give priority to core apps. 4479 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4480 PackageParser.Package pkg = it.next(); 4481 if (pkg.coreApp) { 4482 if (DEBUG_DEXOPT) { 4483 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4484 } 4485 sortedPkgs.add(pkg); 4486 it.remove(); 4487 } 4488 } 4489 // Give priority to system apps that listen for pre boot complete. 4490 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4491 HashSet<String> pkgNames = getPackageNamesForIntent(intent); 4492 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4493 PackageParser.Package pkg = it.next(); 4494 if (pkgNames.contains(pkg.packageName)) { 4495 if (DEBUG_DEXOPT) { 4496 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4497 } 4498 sortedPkgs.add(pkg); 4499 it.remove(); 4500 } 4501 } 4502 // Give priority to system apps. 4503 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4504 PackageParser.Package pkg = it.next(); 4505 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4506 if (DEBUG_DEXOPT) { 4507 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4508 } 4509 sortedPkgs.add(pkg); 4510 it.remove(); 4511 } 4512 } 4513 // Give priority to updated system apps. 4514 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4515 PackageParser.Package pkg = it.next(); 4516 if (isUpdatedSystemApp(pkg)) { 4517 if (DEBUG_DEXOPT) { 4518 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4519 } 4520 sortedPkgs.add(pkg); 4521 it.remove(); 4522 } 4523 } 4524 // Give priority to apps that listen for boot complete. 4525 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4526 pkgNames = getPackageNamesForIntent(intent); 4527 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4528 PackageParser.Package pkg = it.next(); 4529 if (pkgNames.contains(pkg.packageName)) { 4530 if (DEBUG_DEXOPT) { 4531 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4532 } 4533 sortedPkgs.add(pkg); 4534 it.remove(); 4535 } 4536 } 4537 // Filter out packages that aren't recently used. 4538 filterRecentlyUsedApps(pkgs); 4539 // Add all remaining apps. 4540 for (PackageParser.Package pkg : pkgs) { 4541 sortedPkgs.add(pkg); 4542 } 4543 4544 int i = 0; 4545 int total = sortedPkgs.size(); 4546 for (PackageParser.Package pkg : sortedPkgs) { 4547 if (DEBUG_DEXOPT) { 4548 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4549 } 4550 performBootDexOpt(pkg, ++i, total); 4551 } 4552 } 4553 } 4554 4555 private void filterRecentlyUsedApps(HashSet<PackageParser.Package> pkgs) { 4556 // Filter out packages that aren't recently used. 4557 // 4558 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4559 // should do a full dexopt. 4560 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4561 // TODO: add a property to control this? 4562 long dexOptLRUThresholdInMinutes; 4563 if (mLazyDexOpt) { 4564 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4565 } else { 4566 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4567 } 4568 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4569 4570 int total = pkgs.size(); 4571 int skipped = 0; 4572 long now = System.currentTimeMillis(); 4573 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4574 PackageParser.Package pkg = i.next(); 4575 long then = pkg.mLastPackageUsageTimeInMills; 4576 if (then + dexOptLRUThresholdInMills < now) { 4577 if (DEBUG_DEXOPT) { 4578 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4579 ((then == 0) ? "never" : new Date(then))); 4580 } 4581 i.remove(); 4582 skipped++; 4583 } 4584 } 4585 if (DEBUG_DEXOPT) { 4586 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4587 } 4588 } 4589 } 4590 4591 private HashSet<String> getPackageNamesForIntent(Intent intent) { 4592 List<ResolveInfo> ris = null; 4593 try { 4594 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4595 intent, null, 0, UserHandle.USER_OWNER); 4596 } catch (RemoteException e) { 4597 } 4598 HashSet<String> pkgNames = new HashSet<String>(); 4599 if (ris != null) { 4600 for (ResolveInfo ri : ris) { 4601 pkgNames.add(ri.activityInfo.packageName); 4602 } 4603 } 4604 return pkgNames; 4605 } 4606 4607 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4608 if (DEBUG_DEXOPT) { 4609 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4610 } 4611 if (!isFirstBoot()) { 4612 try { 4613 ActivityManagerNative.getDefault().showBootMessage( 4614 mContext.getResources().getString(R.string.android_upgrading_apk, 4615 curr, total), true); 4616 } catch (RemoteException e) { 4617 } 4618 } 4619 PackageParser.Package p = pkg; 4620 synchronized (mInstallLock) { 4621 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4622 false /* defer */, true /* include dependencies */); 4623 } 4624 } 4625 4626 @Override 4627 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4628 return performDexOpt(packageName, instructionSet, false); 4629 } 4630 4631 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4632 if (info.primaryCpuAbi == null) { 4633 return getPreferredInstructionSet(); 4634 } 4635 4636 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4637 } 4638 4639 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4640 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4641 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4642 if (!dexopt && !updateUsage) { 4643 // We aren't going to dexopt or update usage, so bail early. 4644 return false; 4645 } 4646 PackageParser.Package p; 4647 final String targetInstructionSet; 4648 synchronized (mPackages) { 4649 p = mPackages.get(packageName); 4650 if (p == null) { 4651 return false; 4652 } 4653 if (updateUsage) { 4654 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4655 } 4656 mPackageUsage.write(false); 4657 if (!dexopt) { 4658 // We aren't going to dexopt, so bail early. 4659 return false; 4660 } 4661 4662 targetInstructionSet = instructionSet != null ? instructionSet : 4663 getPrimaryInstructionSet(p.applicationInfo); 4664 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4665 return false; 4666 } 4667 } 4668 4669 synchronized (mInstallLock) { 4670 final String[] instructionSets = new String[] { targetInstructionSet }; 4671 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4672 true /* include dependencies */) == DEX_OPT_PERFORMED; 4673 } 4674 } 4675 4676 public HashSet<String> getPackagesThatNeedDexOpt() { 4677 HashSet<String> pkgs = null; 4678 synchronized (mPackages) { 4679 for (PackageParser.Package p : mPackages.values()) { 4680 if (DEBUG_DEXOPT) { 4681 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4682 } 4683 if (!p.mDexOptPerformed.isEmpty()) { 4684 continue; 4685 } 4686 if (pkgs == null) { 4687 pkgs = new HashSet<String>(); 4688 } 4689 pkgs.add(p.packageName); 4690 } 4691 } 4692 return pkgs; 4693 } 4694 4695 public void shutdown() { 4696 mPackageUsage.write(true); 4697 } 4698 4699 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4700 boolean forceDex, boolean defer, HashSet<String> done) { 4701 for (int i=0; i<libs.size(); i++) { 4702 PackageParser.Package libPkg; 4703 String libName; 4704 synchronized (mPackages) { 4705 libName = libs.get(i); 4706 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4707 if (lib != null && lib.apk != null) { 4708 libPkg = mPackages.get(lib.apk); 4709 } else { 4710 libPkg = null; 4711 } 4712 } 4713 if (libPkg != null && !done.contains(libName)) { 4714 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4715 } 4716 } 4717 } 4718 4719 static final int DEX_OPT_SKIPPED = 0; 4720 static final int DEX_OPT_PERFORMED = 1; 4721 static final int DEX_OPT_DEFERRED = 2; 4722 static final int DEX_OPT_FAILED = -1; 4723 4724 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4725 boolean forceDex, boolean defer, HashSet<String> done) { 4726 final String[] instructionSets = targetInstructionSets != null ? 4727 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4728 4729 if (done != null) { 4730 done.add(pkg.packageName); 4731 if (pkg.usesLibraries != null) { 4732 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4733 } 4734 if (pkg.usesOptionalLibraries != null) { 4735 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4736 } 4737 } 4738 4739 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4740 return DEX_OPT_SKIPPED; 4741 } 4742 4743 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4744 4745 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4746 boolean performedDexOpt = false; 4747 // There are three basic cases here: 4748 // 1.) we need to dexopt, either because we are forced or it is needed 4749 // 2.) we are defering a needed dexopt 4750 // 3.) we are skipping an unneeded dexopt 4751 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4752 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4753 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4754 continue; 4755 } 4756 4757 for (String path : paths) { 4758 try { 4759 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4760 // patckage or the one we find does not match the image checksum (i.e. it was 4761 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4762 // odex file and it matches the checksum of the image but not its base address, 4763 // meaning we need to move it. 4764 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4765 pkg.packageName, dexCodeInstructionSet, defer); 4766 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4767 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4768 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4769 + " vmSafeMode=" + vmSafeMode); 4770 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4771 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4772 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4773 4774 if (ret < 0) { 4775 // Don't bother running dexopt again if we failed, it will probably 4776 // just result in an error again. Also, don't bother dexopting for other 4777 // paths & ISAs. 4778 return DEX_OPT_FAILED; 4779 } 4780 4781 performedDexOpt = true; 4782 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4783 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4784 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4785 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4786 pkg.packageName, dexCodeInstructionSet); 4787 4788 if (ret < 0) { 4789 // Don't bother running patchoat again if we failed, it will probably 4790 // just result in an error again. Also, don't bother dexopting for other 4791 // paths & ISAs. 4792 return DEX_OPT_FAILED; 4793 } 4794 4795 performedDexOpt = true; 4796 } 4797 4798 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4799 // paths and instruction sets. We'll deal with them all together when we process 4800 // our list of deferred dexopts. 4801 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4802 if (mDeferredDexOpt == null) { 4803 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4804 } 4805 mDeferredDexOpt.add(pkg); 4806 return DEX_OPT_DEFERRED; 4807 } 4808 } catch (FileNotFoundException e) { 4809 Slog.w(TAG, "Apk not found for dexopt: " + path); 4810 return DEX_OPT_FAILED; 4811 } catch (IOException e) { 4812 Slog.w(TAG, "IOException reading apk: " + path, e); 4813 return DEX_OPT_FAILED; 4814 } catch (StaleDexCacheError e) { 4815 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4816 return DEX_OPT_FAILED; 4817 } catch (Exception e) { 4818 Slog.w(TAG, "Exception when doing dexopt : ", e); 4819 return DEX_OPT_FAILED; 4820 } 4821 } 4822 4823 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4824 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4825 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4826 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4827 // it. 4828 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4829 } 4830 4831 // If we've gotten here, we're sure that no error occurred and that we haven't 4832 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4833 // we've skipped all of them because they are up to date. In both cases this 4834 // package doesn't need dexopt any longer. 4835 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4836 } 4837 4838 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4839 if (info.primaryCpuAbi != null) { 4840 if (info.secondaryCpuAbi != null) { 4841 return new String[] { 4842 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4843 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4844 } else { 4845 return new String[] { 4846 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4847 } 4848 } 4849 4850 return new String[] { getPreferredInstructionSet() }; 4851 } 4852 4853 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4854 if (ps.primaryCpuAbiString != null) { 4855 if (ps.secondaryCpuAbiString != null) { 4856 return new String[] { 4857 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4858 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4859 } else { 4860 return new String[] { 4861 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4862 } 4863 } 4864 4865 return new String[] { getPreferredInstructionSet() }; 4866 } 4867 4868 private static String getPreferredInstructionSet() { 4869 if (sPreferredInstructionSet == null) { 4870 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4871 } 4872 4873 return sPreferredInstructionSet; 4874 } 4875 4876 private static List<String> getAllInstructionSets() { 4877 final String[] allAbis = Build.SUPPORTED_ABIS; 4878 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4879 4880 for (String abi : allAbis) { 4881 final String instructionSet = VMRuntime.getInstructionSet(abi); 4882 if (!allInstructionSets.contains(instructionSet)) { 4883 allInstructionSets.add(instructionSet); 4884 } 4885 } 4886 4887 return allInstructionSets; 4888 } 4889 4890 /** 4891 * Returns the instruction set that should be used to compile dex code. In the presence of 4892 * a native bridge this might be different than the one shared libraries use. 4893 */ 4894 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4895 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4896 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4897 } 4898 4899 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4900 HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length); 4901 for (String instructionSet : instructionSets) { 4902 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4903 } 4904 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4905 } 4906 4907 /** 4908 * Returns deduplicated list of supported instructions for dex code. 4909 */ 4910 public static String[] getAllDexCodeInstructionSets() { 4911 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4912 for (int i = 0; i < supportedInstructionSets.length; i++) { 4913 String abi = Build.SUPPORTED_ABIS[i]; 4914 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4915 } 4916 return getDexCodeInstructionSets(supportedInstructionSets); 4917 } 4918 4919 @Override 4920 public void forceDexOpt(String packageName) { 4921 enforceSystemOrRoot("forceDexOpt"); 4922 4923 PackageParser.Package pkg; 4924 synchronized (mPackages) { 4925 pkg = mPackages.get(packageName); 4926 if (pkg == null) { 4927 throw new IllegalArgumentException("Missing package: " + packageName); 4928 } 4929 } 4930 4931 synchronized (mInstallLock) { 4932 final String[] instructionSets = new String[] { 4933 getPrimaryInstructionSet(pkg.applicationInfo) }; 4934 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4935 if (res != DEX_OPT_PERFORMED) { 4936 throw new IllegalStateException("Failed to dexopt: " + res); 4937 } 4938 } 4939 } 4940 4941 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4942 boolean forceDex, boolean defer, boolean inclDependencies) { 4943 HashSet<String> done; 4944 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4945 done = new HashSet<String>(); 4946 done.add(pkg.packageName); 4947 } else { 4948 done = null; 4949 } 4950 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4951 } 4952 4953 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4954 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4955 Slog.w(TAG, "Unable to update from " + oldPkg.name 4956 + " to " + newPkg.packageName 4957 + ": old package not in system partition"); 4958 return false; 4959 } else if (mPackages.get(oldPkg.name) != null) { 4960 Slog.w(TAG, "Unable to update from " + oldPkg.name 4961 + " to " + newPkg.packageName 4962 + ": old package still exists"); 4963 return false; 4964 } 4965 return true; 4966 } 4967 4968 File getDataPathForUser(int userId) { 4969 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4970 } 4971 4972 private File getDataPathForPackage(String packageName, int userId) { 4973 /* 4974 * Until we fully support multiple users, return the directory we 4975 * previously would have. The PackageManagerTests will need to be 4976 * revised when this is changed back.. 4977 */ 4978 if (userId == 0) { 4979 return new File(mAppDataDir, packageName); 4980 } else { 4981 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4982 + File.separator + packageName); 4983 } 4984 } 4985 4986 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4987 int[] users = sUserManager.getUserIds(); 4988 int res = mInstaller.install(packageName, uid, uid, seinfo); 4989 if (res < 0) { 4990 return res; 4991 } 4992 for (int user : users) { 4993 if (user != 0) { 4994 res = mInstaller.createUserData(packageName, 4995 UserHandle.getUid(user, uid), user, seinfo); 4996 if (res < 0) { 4997 return res; 4998 } 4999 } 5000 } 5001 return res; 5002 } 5003 5004 private int removeDataDirsLI(String packageName) { 5005 int[] users = sUserManager.getUserIds(); 5006 int res = 0; 5007 for (int user : users) { 5008 int resInner = mInstaller.remove(packageName, user); 5009 if (resInner < 0) { 5010 res = resInner; 5011 } 5012 } 5013 5014 return res; 5015 } 5016 5017 private int deleteCodeCacheDirsLI(String packageName) { 5018 int[] users = sUserManager.getUserIds(); 5019 int res = 0; 5020 for (int user : users) { 5021 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5022 if (resInner < 0) { 5023 res = resInner; 5024 } 5025 } 5026 return res; 5027 } 5028 5029 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5030 PackageParser.Package changingLib) { 5031 if (file.path != null) { 5032 usesLibraryFiles.add(file.path); 5033 return; 5034 } 5035 PackageParser.Package p = mPackages.get(file.apk); 5036 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5037 // If we are doing this while in the middle of updating a library apk, 5038 // then we need to make sure to use that new apk for determining the 5039 // dependencies here. (We haven't yet finished committing the new apk 5040 // to the package manager state.) 5041 if (p == null || p.packageName.equals(changingLib.packageName)) { 5042 p = changingLib; 5043 } 5044 } 5045 if (p != null) { 5046 usesLibraryFiles.addAll(p.getAllCodePaths()); 5047 } 5048 } 5049 5050 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5051 PackageParser.Package changingLib) throws PackageManagerException { 5052 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5053 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5054 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5055 for (int i=0; i<N; i++) { 5056 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5057 if (file == null) { 5058 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5059 "Package " + pkg.packageName + " requires unavailable shared library " 5060 + pkg.usesLibraries.get(i) + "; failing!"); 5061 } 5062 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5063 } 5064 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5065 for (int i=0; i<N; i++) { 5066 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5067 if (file == null) { 5068 Slog.w(TAG, "Package " + pkg.packageName 5069 + " desires unavailable shared library " 5070 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5071 } else { 5072 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5073 } 5074 } 5075 N = usesLibraryFiles.size(); 5076 if (N > 0) { 5077 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5078 } else { 5079 pkg.usesLibraryFiles = null; 5080 } 5081 } 5082 } 5083 5084 private static boolean hasString(List<String> list, List<String> which) { 5085 if (list == null) { 5086 return false; 5087 } 5088 for (int i=list.size()-1; i>=0; i--) { 5089 for (int j=which.size()-1; j>=0; j--) { 5090 if (which.get(j).equals(list.get(i))) { 5091 return true; 5092 } 5093 } 5094 } 5095 return false; 5096 } 5097 5098 private void updateAllSharedLibrariesLPw() { 5099 for (PackageParser.Package pkg : mPackages.values()) { 5100 try { 5101 updateSharedLibrariesLPw(pkg, null); 5102 } catch (PackageManagerException e) { 5103 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5104 } 5105 } 5106 } 5107 5108 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5109 PackageParser.Package changingPkg) { 5110 ArrayList<PackageParser.Package> res = null; 5111 for (PackageParser.Package pkg : mPackages.values()) { 5112 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5113 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5114 if (res == null) { 5115 res = new ArrayList<PackageParser.Package>(); 5116 } 5117 res.add(pkg); 5118 try { 5119 updateSharedLibrariesLPw(pkg, changingPkg); 5120 } catch (PackageManagerException e) { 5121 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5122 } 5123 } 5124 } 5125 return res; 5126 } 5127 5128 /** 5129 * Derive the value of the {@code cpuAbiOverride} based on the provided 5130 * value and an optional stored value from the package settings. 5131 */ 5132 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5133 String cpuAbiOverride = null; 5134 5135 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5136 cpuAbiOverride = null; 5137 } else if (abiOverride != null) { 5138 cpuAbiOverride = abiOverride; 5139 } else if (settings != null) { 5140 cpuAbiOverride = settings.cpuAbiOverrideString; 5141 } 5142 5143 return cpuAbiOverride; 5144 } 5145 5146 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5147 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5148 boolean success = false; 5149 try { 5150 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5151 currentTime, user); 5152 success = true; 5153 return res; 5154 } finally { 5155 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5156 removeDataDirsLI(pkg.packageName); 5157 } 5158 } 5159 } 5160 5161 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5162 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5163 final File scanFile = new File(pkg.codePath); 5164 if (pkg.applicationInfo.getCodePath() == null || 5165 pkg.applicationInfo.getResourcePath() == null) { 5166 // Bail out. The resource and code paths haven't been set. 5167 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5168 "Code and resource paths haven't been set correctly"); 5169 } 5170 5171 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5172 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5173 } else { 5174 // Only allow system apps to be flagged as core apps. 5175 pkg.coreApp = false; 5176 } 5177 5178 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5179 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5180 } 5181 5182 if (mCustomResolverComponentName != null && 5183 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5184 setUpCustomResolverActivity(pkg); 5185 } 5186 5187 if (pkg.packageName.equals("android")) { 5188 synchronized (mPackages) { 5189 if (mAndroidApplication != null) { 5190 Slog.w(TAG, "*************************************************"); 5191 Slog.w(TAG, "Core android package being redefined. Skipping."); 5192 Slog.w(TAG, " file=" + scanFile); 5193 Slog.w(TAG, "*************************************************"); 5194 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5195 "Core android package being redefined. Skipping."); 5196 } 5197 5198 // Set up information for our fall-back user intent resolution activity. 5199 mPlatformPackage = pkg; 5200 pkg.mVersionCode = mSdkVersion; 5201 mAndroidApplication = pkg.applicationInfo; 5202 5203 if (!mResolverReplaced) { 5204 mResolveActivity.applicationInfo = mAndroidApplication; 5205 mResolveActivity.name = ResolverActivity.class.getName(); 5206 mResolveActivity.packageName = mAndroidApplication.packageName; 5207 mResolveActivity.processName = "system:ui"; 5208 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5209 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5210 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5211 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5212 mResolveActivity.exported = true; 5213 mResolveActivity.enabled = true; 5214 mResolveInfo.activityInfo = mResolveActivity; 5215 mResolveInfo.priority = 0; 5216 mResolveInfo.preferredOrder = 0; 5217 mResolveInfo.match = 0; 5218 mResolveComponentName = new ComponentName( 5219 mAndroidApplication.packageName, mResolveActivity.name); 5220 } 5221 } 5222 } 5223 5224 if (DEBUG_PACKAGE_SCANNING) { 5225 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5226 Log.d(TAG, "Scanning package " + pkg.packageName); 5227 } 5228 5229 if (mPackages.containsKey(pkg.packageName) 5230 || mSharedLibraries.containsKey(pkg.packageName)) { 5231 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5232 "Application package " + pkg.packageName 5233 + " already installed. Skipping duplicate."); 5234 } 5235 5236 // Initialize package source and resource directories 5237 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5238 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5239 5240 SharedUserSetting suid = null; 5241 PackageSetting pkgSetting = null; 5242 5243 if (!isSystemApp(pkg)) { 5244 // Only system apps can use these features. 5245 pkg.mOriginalPackages = null; 5246 pkg.mRealPackage = null; 5247 pkg.mAdoptPermissions = null; 5248 } 5249 5250 // writer 5251 synchronized (mPackages) { 5252 if (pkg.mSharedUserId != null) { 5253 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5254 if (suid == null) { 5255 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5256 "Creating application package " + pkg.packageName 5257 + " for shared user failed"); 5258 } 5259 if (DEBUG_PACKAGE_SCANNING) { 5260 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5261 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5262 + "): packages=" + suid.packages); 5263 } 5264 } 5265 5266 // Check if we are renaming from an original package name. 5267 PackageSetting origPackage = null; 5268 String realName = null; 5269 if (pkg.mOriginalPackages != null) { 5270 // This package may need to be renamed to a previously 5271 // installed name. Let's check on that... 5272 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5273 if (pkg.mOriginalPackages.contains(renamed)) { 5274 // This package had originally been installed as the 5275 // original name, and we have already taken care of 5276 // transitioning to the new one. Just update the new 5277 // one to continue using the old name. 5278 realName = pkg.mRealPackage; 5279 if (!pkg.packageName.equals(renamed)) { 5280 // Callers into this function may have already taken 5281 // care of renaming the package; only do it here if 5282 // it is not already done. 5283 pkg.setPackageName(renamed); 5284 } 5285 5286 } else { 5287 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5288 if ((origPackage = mSettings.peekPackageLPr( 5289 pkg.mOriginalPackages.get(i))) != null) { 5290 // We do have the package already installed under its 5291 // original name... should we use it? 5292 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5293 // New package is not compatible with original. 5294 origPackage = null; 5295 continue; 5296 } else if (origPackage.sharedUser != null) { 5297 // Make sure uid is compatible between packages. 5298 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5299 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5300 + " to " + pkg.packageName + ": old uid " 5301 + origPackage.sharedUser.name 5302 + " differs from " + pkg.mSharedUserId); 5303 origPackage = null; 5304 continue; 5305 } 5306 } else { 5307 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5308 + pkg.packageName + " to old name " + origPackage.name); 5309 } 5310 break; 5311 } 5312 } 5313 } 5314 } 5315 5316 if (mTransferedPackages.contains(pkg.packageName)) { 5317 Slog.w(TAG, "Package " + pkg.packageName 5318 + " was transferred to another, but its .apk remains"); 5319 } 5320 5321 // Just create the setting, don't add it yet. For already existing packages 5322 // the PkgSetting exists already and doesn't have to be created. 5323 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5324 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5325 pkg.applicationInfo.primaryCpuAbi, 5326 pkg.applicationInfo.secondaryCpuAbi, 5327 pkg.applicationInfo.flags, user, false); 5328 if (pkgSetting == null) { 5329 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5330 "Creating application package " + pkg.packageName + " failed"); 5331 } 5332 5333 if (pkgSetting.origPackage != null) { 5334 // If we are first transitioning from an original package, 5335 // fix up the new package's name now. We need to do this after 5336 // looking up the package under its new name, so getPackageLP 5337 // can take care of fiddling things correctly. 5338 pkg.setPackageName(origPackage.name); 5339 5340 // File a report about this. 5341 String msg = "New package " + pkgSetting.realName 5342 + " renamed to replace old package " + pkgSetting.name; 5343 reportSettingsProblem(Log.WARN, msg); 5344 5345 // Make a note of it. 5346 mTransferedPackages.add(origPackage.name); 5347 5348 // No longer need to retain this. 5349 pkgSetting.origPackage = null; 5350 } 5351 5352 if (realName != null) { 5353 // Make a note of it. 5354 mTransferedPackages.add(pkg.packageName); 5355 } 5356 5357 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5358 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5359 } 5360 5361 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5362 // Check all shared libraries and map to their actual file path. 5363 // We only do this here for apps not on a system dir, because those 5364 // are the only ones that can fail an install due to this. We 5365 // will take care of the system apps by updating all of their 5366 // library paths after the scan is done. 5367 updateSharedLibrariesLPw(pkg, null); 5368 } 5369 5370 if (mFoundPolicyFile) { 5371 SELinuxMMAC.assignSeinfoValue(pkg); 5372 } 5373 5374 pkg.applicationInfo.uid = pkgSetting.appId; 5375 pkg.mExtras = pkgSetting; 5376 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5377 try { 5378 verifySignaturesLP(pkgSetting, pkg); 5379 } catch (PackageManagerException e) { 5380 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5381 throw e; 5382 } 5383 // The signature has changed, but this package is in the system 5384 // image... let's recover! 5385 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5386 // However... if this package is part of a shared user, but it 5387 // doesn't match the signature of the shared user, let's fail. 5388 // What this means is that you can't change the signatures 5389 // associated with an overall shared user, which doesn't seem all 5390 // that unreasonable. 5391 if (pkgSetting.sharedUser != null) { 5392 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5393 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5394 throw new PackageManagerException( 5395 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5396 "Signature mismatch for shared user : " 5397 + pkgSetting.sharedUser); 5398 } 5399 } 5400 // File a report about this. 5401 String msg = "System package " + pkg.packageName 5402 + " signature changed; retaining data."; 5403 reportSettingsProblem(Log.WARN, msg); 5404 } 5405 } else { 5406 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5407 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5408 + pkg.packageName + " upgrade keys do not match the " 5409 + "previously installed version"); 5410 } else { 5411 // signatures may have changed as result of upgrade 5412 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5413 } 5414 } 5415 // Verify that this new package doesn't have any content providers 5416 // that conflict with existing packages. Only do this if the 5417 // package isn't already installed, since we don't want to break 5418 // things that are installed. 5419 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5420 final int N = pkg.providers.size(); 5421 int i; 5422 for (i=0; i<N; i++) { 5423 PackageParser.Provider p = pkg.providers.get(i); 5424 if (p.info.authority != null) { 5425 String names[] = p.info.authority.split(";"); 5426 for (int j = 0; j < names.length; j++) { 5427 if (mProvidersByAuthority.containsKey(names[j])) { 5428 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5429 final String otherPackageName = 5430 ((other != null && other.getComponentName() != null) ? 5431 other.getComponentName().getPackageName() : "?"); 5432 throw new PackageManagerException( 5433 INSTALL_FAILED_CONFLICTING_PROVIDER, 5434 "Can't install because provider name " + names[j] 5435 + " (in package " + pkg.applicationInfo.packageName 5436 + ") is already used by " + otherPackageName); 5437 } 5438 } 5439 } 5440 } 5441 } 5442 5443 if (pkg.mAdoptPermissions != null) { 5444 // This package wants to adopt ownership of permissions from 5445 // another package. 5446 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5447 final String origName = pkg.mAdoptPermissions.get(i); 5448 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5449 if (orig != null) { 5450 if (verifyPackageUpdateLPr(orig, pkg)) { 5451 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5452 + pkg.packageName); 5453 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5454 } 5455 } 5456 } 5457 } 5458 } 5459 5460 final String pkgName = pkg.packageName; 5461 5462 final long scanFileTime = scanFile.lastModified(); 5463 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5464 pkg.applicationInfo.processName = fixProcessName( 5465 pkg.applicationInfo.packageName, 5466 pkg.applicationInfo.processName, 5467 pkg.applicationInfo.uid); 5468 5469 File dataPath; 5470 if (mPlatformPackage == pkg) { 5471 // The system package is special. 5472 dataPath = new File(Environment.getDataDirectory(), "system"); 5473 5474 pkg.applicationInfo.dataDir = dataPath.getPath(); 5475 5476 } else { 5477 // This is a normal package, need to make its data directory. 5478 dataPath = getDataPathForPackage(pkg.packageName, 0); 5479 5480 boolean uidError = false; 5481 if (dataPath.exists()) { 5482 int currentUid = 0; 5483 try { 5484 StructStat stat = Os.stat(dataPath.getPath()); 5485 currentUid = stat.st_uid; 5486 } catch (ErrnoException e) { 5487 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5488 } 5489 5490 // If we have mismatched owners for the data path, we have a problem. 5491 if (currentUid != pkg.applicationInfo.uid) { 5492 boolean recovered = false; 5493 if (currentUid == 0) { 5494 // The directory somehow became owned by root. Wow. 5495 // This is probably because the system was stopped while 5496 // installd was in the middle of messing with its libs 5497 // directory. Ask installd to fix that. 5498 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5499 pkg.applicationInfo.uid); 5500 if (ret >= 0) { 5501 recovered = true; 5502 String msg = "Package " + pkg.packageName 5503 + " unexpectedly changed to uid 0; recovered to " + 5504 + pkg.applicationInfo.uid; 5505 reportSettingsProblem(Log.WARN, msg); 5506 } 5507 } 5508 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5509 || (scanFlags&SCAN_BOOTING) != 0)) { 5510 // If this is a system app, we can at least delete its 5511 // current data so the application will still work. 5512 int ret = removeDataDirsLI(pkgName); 5513 if (ret >= 0) { 5514 // TODO: Kill the processes first 5515 // Old data gone! 5516 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5517 ? "System package " : "Third party package "; 5518 String msg = prefix + pkg.packageName 5519 + " has changed from uid: " 5520 + currentUid + " to " 5521 + pkg.applicationInfo.uid + "; old data erased"; 5522 reportSettingsProblem(Log.WARN, msg); 5523 recovered = true; 5524 5525 // And now re-install the app. 5526 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5527 pkg.applicationInfo.seinfo); 5528 if (ret == -1) { 5529 // Ack should not happen! 5530 msg = prefix + pkg.packageName 5531 + " could not have data directory re-created after delete."; 5532 reportSettingsProblem(Log.WARN, msg); 5533 throw new PackageManagerException( 5534 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5535 } 5536 } 5537 if (!recovered) { 5538 mHasSystemUidErrors = true; 5539 } 5540 } else if (!recovered) { 5541 // If we allow this install to proceed, we will be broken. 5542 // Abort, abort! 5543 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5544 "scanPackageLI"); 5545 } 5546 if (!recovered) { 5547 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5548 + pkg.applicationInfo.uid + "/fs_" 5549 + currentUid; 5550 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5551 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5552 String msg = "Package " + pkg.packageName 5553 + " has mismatched uid: " 5554 + currentUid + " on disk, " 5555 + pkg.applicationInfo.uid + " in settings"; 5556 // writer 5557 synchronized (mPackages) { 5558 mSettings.mReadMessages.append(msg); 5559 mSettings.mReadMessages.append('\n'); 5560 uidError = true; 5561 if (!pkgSetting.uidError) { 5562 reportSettingsProblem(Log.ERROR, msg); 5563 } 5564 } 5565 } 5566 } 5567 pkg.applicationInfo.dataDir = dataPath.getPath(); 5568 if (mShouldRestoreconData) { 5569 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5570 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5571 pkg.applicationInfo.uid); 5572 } 5573 } else { 5574 if (DEBUG_PACKAGE_SCANNING) { 5575 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5576 Log.v(TAG, "Want this data dir: " + dataPath); 5577 } 5578 //invoke installer to do the actual installation 5579 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5580 pkg.applicationInfo.seinfo); 5581 if (ret < 0) { 5582 // Error from installer 5583 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5584 "Unable to create data dirs [errorCode=" + ret + "]"); 5585 } 5586 5587 if (dataPath.exists()) { 5588 pkg.applicationInfo.dataDir = dataPath.getPath(); 5589 } else { 5590 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5591 pkg.applicationInfo.dataDir = null; 5592 } 5593 } 5594 5595 pkgSetting.uidError = uidError; 5596 } 5597 5598 final String path = scanFile.getPath(); 5599 final String codePath = pkg.applicationInfo.getCodePath(); 5600 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5601 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5602 setBundledAppAbisAndRoots(pkg, pkgSetting); 5603 5604 // If we haven't found any native libraries for the app, check if it has 5605 // renderscript code. We'll need to force the app to 32 bit if it has 5606 // renderscript bitcode. 5607 if (pkg.applicationInfo.primaryCpuAbi == null 5608 && pkg.applicationInfo.secondaryCpuAbi == null 5609 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5610 NativeLibraryHelper.Handle handle = null; 5611 try { 5612 handle = NativeLibraryHelper.Handle.create(scanFile); 5613 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5614 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5615 } 5616 } catch (IOException ioe) { 5617 Slog.w(TAG, "Error scanning system app : " + ioe); 5618 } finally { 5619 IoUtils.closeQuietly(handle); 5620 } 5621 } 5622 5623 setNativeLibraryPaths(pkg); 5624 } else { 5625 // TODO: We can probably be smarter about this stuff. For installed apps, 5626 // we can calculate this information at install time once and for all. For 5627 // system apps, we can probably assume that this information doesn't change 5628 // after the first boot scan. As things stand, we do lots of unnecessary work. 5629 5630 // Give ourselves some initial paths; we'll come back for another 5631 // pass once we've determined ABI below. 5632 setNativeLibraryPaths(pkg); 5633 5634 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5635 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5636 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5637 5638 NativeLibraryHelper.Handle handle = null; 5639 try { 5640 handle = NativeLibraryHelper.Handle.create(scanFile); 5641 // TODO(multiArch): This can be null for apps that didn't go through the 5642 // usual installation process. We can calculate it again, like we 5643 // do during install time. 5644 // 5645 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5646 // unnecessary. 5647 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5648 5649 // Null out the abis so that they can be recalculated. 5650 pkg.applicationInfo.primaryCpuAbi = null; 5651 pkg.applicationInfo.secondaryCpuAbi = null; 5652 if (isMultiArch(pkg.applicationInfo)) { 5653 // Warn if we've set an abiOverride for multi-lib packages.. 5654 // By definition, we need to copy both 32 and 64 bit libraries for 5655 // such packages. 5656 if (pkg.cpuAbiOverride != null 5657 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5658 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5659 } 5660 5661 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5662 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5663 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5664 if (isAsec) { 5665 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5666 } else { 5667 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5668 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5669 useIsaSpecificSubdirs); 5670 } 5671 } 5672 5673 maybeThrowExceptionForMultiArchCopy( 5674 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5675 5676 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5677 if (isAsec) { 5678 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5679 } else { 5680 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5681 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5682 useIsaSpecificSubdirs); 5683 } 5684 } 5685 5686 maybeThrowExceptionForMultiArchCopy( 5687 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5688 5689 if (abi64 >= 0) { 5690 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5691 } 5692 5693 if (abi32 >= 0) { 5694 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5695 if (abi64 >= 0) { 5696 pkg.applicationInfo.secondaryCpuAbi = abi; 5697 } else { 5698 pkg.applicationInfo.primaryCpuAbi = abi; 5699 } 5700 } 5701 } else { 5702 String[] abiList = (cpuAbiOverride != null) ? 5703 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5704 5705 // Enable gross and lame hacks for apps that are built with old 5706 // SDK tools. We must scan their APKs for renderscript bitcode and 5707 // not launch them if it's present. Don't bother checking on devices 5708 // that don't have 64 bit support. 5709 boolean needsRenderScriptOverride = false; 5710 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5711 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5712 abiList = Build.SUPPORTED_32_BIT_ABIS; 5713 needsRenderScriptOverride = true; 5714 } 5715 5716 final int copyRet; 5717 if (isAsec) { 5718 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5719 } else { 5720 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5721 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5722 } 5723 5724 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5725 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5726 "Error unpackaging native libs for app, errorCode=" + copyRet); 5727 } 5728 5729 if (copyRet >= 0) { 5730 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5731 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5732 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5733 } else if (needsRenderScriptOverride) { 5734 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5735 } 5736 } 5737 } catch (IOException ioe) { 5738 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5739 } finally { 5740 IoUtils.closeQuietly(handle); 5741 } 5742 5743 // Now that we've calculated the ABIs and determined if it's an internal app, 5744 // we will go ahead and populate the nativeLibraryPath. 5745 setNativeLibraryPaths(pkg); 5746 5747 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5748 final int[] userIds = sUserManager.getUserIds(); 5749 synchronized (mInstallLock) { 5750 // Create a native library symlink only if we have native libraries 5751 // and if the native libraries are 32 bit libraries. We do not provide 5752 // this symlink for 64 bit libraries. 5753 if (pkg.applicationInfo.primaryCpuAbi != null && 5754 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5755 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5756 for (int userId : userIds) { 5757 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5758 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5759 "Failed linking native library dir (user=" + userId + ")"); 5760 } 5761 } 5762 } 5763 } 5764 } 5765 5766 // This is a special case for the "system" package, where the ABI is 5767 // dictated by the zygote configuration (and init.rc). We should keep track 5768 // of this ABI so that we can deal with "normal" applications that run under 5769 // the same UID correctly. 5770 if (mPlatformPackage == pkg) { 5771 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5772 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5773 } 5774 5775 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5776 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5777 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5778 // Copy the derived override back to the parsed package, so that we can 5779 // update the package settings accordingly. 5780 pkg.cpuAbiOverride = cpuAbiOverride; 5781 5782 if (DEBUG_ABI_SELECTION) { 5783 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5784 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5785 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5786 } 5787 5788 // Push the derived path down into PackageSettings so we know what to 5789 // clean up at uninstall time. 5790 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5791 5792 if (DEBUG_ABI_SELECTION) { 5793 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5794 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5795 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5796 } 5797 5798 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5799 // We don't do this here during boot because we can do it all 5800 // at once after scanning all existing packages. 5801 // 5802 // We also do this *before* we perform dexopt on this package, so that 5803 // we can avoid redundant dexopts, and also to make sure we've got the 5804 // code and package path correct. 5805 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5806 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5807 } 5808 5809 if ((scanFlags & SCAN_NO_DEX) == 0) { 5810 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5811 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5812 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5813 } 5814 } 5815 5816 if (mFactoryTest && pkg.requestedPermissions.contains( 5817 android.Manifest.permission.FACTORY_TEST)) { 5818 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5819 } 5820 5821 ArrayList<PackageParser.Package> clientLibPkgs = null; 5822 5823 // writer 5824 synchronized (mPackages) { 5825 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5826 // Only system apps can add new shared libraries. 5827 if (pkg.libraryNames != null) { 5828 for (int i=0; i<pkg.libraryNames.size(); i++) { 5829 String name = pkg.libraryNames.get(i); 5830 boolean allowed = false; 5831 if (isUpdatedSystemApp(pkg)) { 5832 // New library entries can only be added through the 5833 // system image. This is important to get rid of a lot 5834 // of nasty edge cases: for example if we allowed a non- 5835 // system update of the app to add a library, then uninstalling 5836 // the update would make the library go away, and assumptions 5837 // we made such as through app install filtering would now 5838 // have allowed apps on the device which aren't compatible 5839 // with it. Better to just have the restriction here, be 5840 // conservative, and create many fewer cases that can negatively 5841 // impact the user experience. 5842 final PackageSetting sysPs = mSettings 5843 .getDisabledSystemPkgLPr(pkg.packageName); 5844 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5845 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5846 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5847 allowed = true; 5848 allowed = true; 5849 break; 5850 } 5851 } 5852 } 5853 } else { 5854 allowed = true; 5855 } 5856 if (allowed) { 5857 if (!mSharedLibraries.containsKey(name)) { 5858 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5859 } else if (!name.equals(pkg.packageName)) { 5860 Slog.w(TAG, "Package " + pkg.packageName + " library " 5861 + name + " already exists; skipping"); 5862 } 5863 } else { 5864 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5865 + name + " that is not declared on system image; skipping"); 5866 } 5867 } 5868 if ((scanFlags&SCAN_BOOTING) == 0) { 5869 // If we are not booting, we need to update any applications 5870 // that are clients of our shared library. If we are booting, 5871 // this will all be done once the scan is complete. 5872 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5873 } 5874 } 5875 } 5876 } 5877 5878 // We also need to dexopt any apps that are dependent on this library. Note that 5879 // if these fail, we should abort the install since installing the library will 5880 // result in some apps being broken. 5881 if (clientLibPkgs != null) { 5882 if ((scanFlags & SCAN_NO_DEX) == 0) { 5883 for (int i = 0; i < clientLibPkgs.size(); i++) { 5884 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5885 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5886 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5887 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5888 "scanPackageLI failed to dexopt clientLibPkgs"); 5889 } 5890 } 5891 } 5892 } 5893 5894 // Request the ActivityManager to kill the process(only for existing packages) 5895 // so that we do not end up in a confused state while the user is still using the older 5896 // version of the application while the new one gets installed. 5897 if ((scanFlags & SCAN_REPLACING) != 0) { 5898 killApplication(pkg.applicationInfo.packageName, 5899 pkg.applicationInfo.uid, "update pkg"); 5900 } 5901 5902 // Also need to kill any apps that are dependent on the library. 5903 if (clientLibPkgs != null) { 5904 for (int i=0; i<clientLibPkgs.size(); i++) { 5905 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5906 killApplication(clientPkg.applicationInfo.packageName, 5907 clientPkg.applicationInfo.uid, "update lib"); 5908 } 5909 } 5910 5911 // writer 5912 synchronized (mPackages) { 5913 // We don't expect installation to fail beyond this point 5914 5915 // Add the new setting to mSettings 5916 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5917 // Add the new setting to mPackages 5918 mPackages.put(pkg.applicationInfo.packageName, pkg); 5919 // Make sure we don't accidentally delete its data. 5920 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5921 while (iter.hasNext()) { 5922 PackageCleanItem item = iter.next(); 5923 if (pkgName.equals(item.packageName)) { 5924 iter.remove(); 5925 } 5926 } 5927 5928 // Take care of first install / last update times. 5929 if (currentTime != 0) { 5930 if (pkgSetting.firstInstallTime == 0) { 5931 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5932 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5933 pkgSetting.lastUpdateTime = currentTime; 5934 } 5935 } else if (pkgSetting.firstInstallTime == 0) { 5936 // We need *something*. Take time time stamp of the file. 5937 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5938 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5939 if (scanFileTime != pkgSetting.timeStamp) { 5940 // A package on the system image has changed; consider this 5941 // to be an update. 5942 pkgSetting.lastUpdateTime = scanFileTime; 5943 } 5944 } 5945 5946 // Add the package's KeySets to the global KeySetManagerService 5947 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5948 try { 5949 // Old KeySetData no longer valid. 5950 ksms.removeAppKeySetDataLPw(pkg.packageName); 5951 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5952 if (pkg.mKeySetMapping != null) { 5953 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5954 pkg.mKeySetMapping.entrySet()) { 5955 if (entry.getValue() != null) { 5956 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5957 entry.getValue(), entry.getKey()); 5958 } 5959 } 5960 if (pkg.mUpgradeKeySets != null) { 5961 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5962 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5963 } 5964 } 5965 } 5966 } catch (NullPointerException e) { 5967 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5968 } catch (IllegalArgumentException e) { 5969 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5970 } 5971 5972 int N = pkg.providers.size(); 5973 StringBuilder r = null; 5974 int i; 5975 for (i=0; i<N; i++) { 5976 PackageParser.Provider p = pkg.providers.get(i); 5977 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5978 p.info.processName, pkg.applicationInfo.uid); 5979 mProviders.addProvider(p); 5980 p.syncable = p.info.isSyncable; 5981 if (p.info.authority != null) { 5982 String names[] = p.info.authority.split(";"); 5983 p.info.authority = null; 5984 for (int j = 0; j < names.length; j++) { 5985 if (j == 1 && p.syncable) { 5986 // We only want the first authority for a provider to possibly be 5987 // syncable, so if we already added this provider using a different 5988 // authority clear the syncable flag. We copy the provider before 5989 // changing it because the mProviders object contains a reference 5990 // to a provider that we don't want to change. 5991 // Only do this for the second authority since the resulting provider 5992 // object can be the same for all future authorities for this provider. 5993 p = new PackageParser.Provider(p); 5994 p.syncable = false; 5995 } 5996 if (!mProvidersByAuthority.containsKey(names[j])) { 5997 mProvidersByAuthority.put(names[j], p); 5998 if (p.info.authority == null) { 5999 p.info.authority = names[j]; 6000 } else { 6001 p.info.authority = p.info.authority + ";" + names[j]; 6002 } 6003 if (DEBUG_PACKAGE_SCANNING) { 6004 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6005 Log.d(TAG, "Registered content provider: " + names[j] 6006 + ", className = " + p.info.name + ", isSyncable = " 6007 + p.info.isSyncable); 6008 } 6009 } else { 6010 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6011 Slog.w(TAG, "Skipping provider name " + names[j] + 6012 " (in package " + pkg.applicationInfo.packageName + 6013 "): name already used by " 6014 + ((other != null && other.getComponentName() != null) 6015 ? other.getComponentName().getPackageName() : "?")); 6016 } 6017 } 6018 } 6019 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6020 if (r == null) { 6021 r = new StringBuilder(256); 6022 } else { 6023 r.append(' '); 6024 } 6025 r.append(p.info.name); 6026 } 6027 } 6028 if (r != null) { 6029 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6030 } 6031 6032 N = pkg.services.size(); 6033 r = null; 6034 for (i=0; i<N; i++) { 6035 PackageParser.Service s = pkg.services.get(i); 6036 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6037 s.info.processName, pkg.applicationInfo.uid); 6038 mServices.addService(s); 6039 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6040 if (r == null) { 6041 r = new StringBuilder(256); 6042 } else { 6043 r.append(' '); 6044 } 6045 r.append(s.info.name); 6046 } 6047 } 6048 if (r != null) { 6049 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6050 } 6051 6052 N = pkg.receivers.size(); 6053 r = null; 6054 for (i=0; i<N; i++) { 6055 PackageParser.Activity a = pkg.receivers.get(i); 6056 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6057 a.info.processName, pkg.applicationInfo.uid); 6058 mReceivers.addActivity(a, "receiver"); 6059 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6060 if (r == null) { 6061 r = new StringBuilder(256); 6062 } else { 6063 r.append(' '); 6064 } 6065 r.append(a.info.name); 6066 } 6067 } 6068 if (r != null) { 6069 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6070 } 6071 6072 N = pkg.activities.size(); 6073 r = null; 6074 for (i=0; i<N; i++) { 6075 PackageParser.Activity a = pkg.activities.get(i); 6076 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6077 a.info.processName, pkg.applicationInfo.uid); 6078 mActivities.addActivity(a, "activity"); 6079 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6080 if (r == null) { 6081 r = new StringBuilder(256); 6082 } else { 6083 r.append(' '); 6084 } 6085 r.append(a.info.name); 6086 } 6087 } 6088 if (r != null) { 6089 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6090 } 6091 6092 N = pkg.permissionGroups.size(); 6093 r = null; 6094 for (i=0; i<N; i++) { 6095 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6096 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6097 if (cur == null) { 6098 mPermissionGroups.put(pg.info.name, pg); 6099 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6100 if (r == null) { 6101 r = new StringBuilder(256); 6102 } else { 6103 r.append(' '); 6104 } 6105 r.append(pg.info.name); 6106 } 6107 } else { 6108 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6109 + pg.info.packageName + " ignored: original from " 6110 + cur.info.packageName); 6111 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6112 if (r == null) { 6113 r = new StringBuilder(256); 6114 } else { 6115 r.append(' '); 6116 } 6117 r.append("DUP:"); 6118 r.append(pg.info.name); 6119 } 6120 } 6121 } 6122 if (r != null) { 6123 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6124 } 6125 6126 N = pkg.permissions.size(); 6127 r = null; 6128 for (i=0; i<N; i++) { 6129 PackageParser.Permission p = pkg.permissions.get(i); 6130 HashMap<String, BasePermission> permissionMap = 6131 p.tree ? mSettings.mPermissionTrees 6132 : mSettings.mPermissions; 6133 p.group = mPermissionGroups.get(p.info.group); 6134 if (p.info.group == null || p.group != null) { 6135 BasePermission bp = permissionMap.get(p.info.name); 6136 6137 // Allow system apps to redefine non-system permissions 6138 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6139 final boolean currentOwnerIsSystem = (bp.perm != null 6140 && isSystemApp(bp.perm.owner)); 6141 if (isSystemApp(p.owner)) { 6142 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6143 // It's a built-in permission and no owner, take ownership now 6144 bp.packageSetting = pkgSetting; 6145 bp.perm = p; 6146 bp.uid = pkg.applicationInfo.uid; 6147 bp.sourcePackage = p.info.packageName; 6148 } else if (!currentOwnerIsSystem) { 6149 String msg = "New decl " + p.owner + " of permission " 6150 + p.info.name + " is system; overriding " + bp.sourcePackage; 6151 reportSettingsProblem(Log.WARN, msg); 6152 bp = null; 6153 } 6154 } 6155 } 6156 6157 if (bp == null) { 6158 bp = new BasePermission(p.info.name, p.info.packageName, 6159 BasePermission.TYPE_NORMAL); 6160 permissionMap.put(p.info.name, bp); 6161 } 6162 6163 if (bp.perm == null) { 6164 if (bp.sourcePackage == null 6165 || bp.sourcePackage.equals(p.info.packageName)) { 6166 BasePermission tree = findPermissionTreeLP(p.info.name); 6167 if (tree == null 6168 || tree.sourcePackage.equals(p.info.packageName)) { 6169 bp.packageSetting = pkgSetting; 6170 bp.perm = p; 6171 bp.uid = pkg.applicationInfo.uid; 6172 bp.sourcePackage = p.info.packageName; 6173 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6174 if (r == null) { 6175 r = new StringBuilder(256); 6176 } else { 6177 r.append(' '); 6178 } 6179 r.append(p.info.name); 6180 } 6181 } else { 6182 Slog.w(TAG, "Permission " + p.info.name + " from package " 6183 + p.info.packageName + " ignored: base tree " 6184 + tree.name + " is from package " 6185 + tree.sourcePackage); 6186 } 6187 } else { 6188 Slog.w(TAG, "Permission " + p.info.name + " from package " 6189 + p.info.packageName + " ignored: original from " 6190 + bp.sourcePackage); 6191 } 6192 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6193 if (r == null) { 6194 r = new StringBuilder(256); 6195 } else { 6196 r.append(' '); 6197 } 6198 r.append("DUP:"); 6199 r.append(p.info.name); 6200 } 6201 if (bp.perm == p) { 6202 bp.protectionLevel = p.info.protectionLevel; 6203 } 6204 } else { 6205 Slog.w(TAG, "Permission " + p.info.name + " from package " 6206 + p.info.packageName + " ignored: no group " 6207 + p.group); 6208 } 6209 } 6210 if (r != null) { 6211 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6212 } 6213 6214 N = pkg.instrumentation.size(); 6215 r = null; 6216 for (i=0; i<N; i++) { 6217 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6218 a.info.packageName = pkg.applicationInfo.packageName; 6219 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6220 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6221 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6222 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6223 a.info.dataDir = pkg.applicationInfo.dataDir; 6224 6225 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6226 // need other information about the application, like the ABI and what not ? 6227 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6228 mInstrumentation.put(a.getComponentName(), a); 6229 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6230 if (r == null) { 6231 r = new StringBuilder(256); 6232 } else { 6233 r.append(' '); 6234 } 6235 r.append(a.info.name); 6236 } 6237 } 6238 if (r != null) { 6239 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6240 } 6241 6242 if (pkg.protectedBroadcasts != null) { 6243 N = pkg.protectedBroadcasts.size(); 6244 for (i=0; i<N; i++) { 6245 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6246 } 6247 } 6248 6249 pkgSetting.setTimeStamp(scanFileTime); 6250 6251 // Create idmap files for pairs of (packages, overlay packages). 6252 // Note: "android", ie framework-res.apk, is handled by native layers. 6253 if (pkg.mOverlayTarget != null) { 6254 // This is an overlay package. 6255 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6256 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6257 mOverlays.put(pkg.mOverlayTarget, 6258 new HashMap<String, PackageParser.Package>()); 6259 } 6260 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6261 map.put(pkg.packageName, pkg); 6262 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6263 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6264 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6265 "scanPackageLI failed to createIdmap"); 6266 } 6267 } 6268 } else if (mOverlays.containsKey(pkg.packageName) && 6269 !pkg.packageName.equals("android")) { 6270 // This is a regular package, with one or more known overlay packages. 6271 createIdmapsForPackageLI(pkg); 6272 } 6273 } 6274 6275 return pkg; 6276 } 6277 6278 /** 6279 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6280 * i.e, so that all packages can be run inside a single process if required. 6281 * 6282 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6283 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6284 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6285 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6286 * updating a package that belongs to a shared user. 6287 * 6288 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6289 * adds unnecessary complexity. 6290 */ 6291 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6292 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6293 String requiredInstructionSet = null; 6294 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6295 requiredInstructionSet = VMRuntime.getInstructionSet( 6296 scannedPackage.applicationInfo.primaryCpuAbi); 6297 } 6298 6299 PackageSetting requirer = null; 6300 for (PackageSetting ps : packagesForUser) { 6301 // If packagesForUser contains scannedPackage, we skip it. This will happen 6302 // when scannedPackage is an update of an existing package. Without this check, 6303 // we will never be able to change the ABI of any package belonging to a shared 6304 // user, even if it's compatible with other packages. 6305 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6306 if (ps.primaryCpuAbiString == null) { 6307 continue; 6308 } 6309 6310 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6311 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6312 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6313 // this but there's not much we can do. 6314 String errorMessage = "Instruction set mismatch, " 6315 + ((requirer == null) ? "[caller]" : requirer) 6316 + " requires " + requiredInstructionSet + " whereas " + ps 6317 + " requires " + instructionSet; 6318 Slog.w(TAG, errorMessage); 6319 } 6320 6321 if (requiredInstructionSet == null) { 6322 requiredInstructionSet = instructionSet; 6323 requirer = ps; 6324 } 6325 } 6326 } 6327 6328 if (requiredInstructionSet != null) { 6329 String adjustedAbi; 6330 if (requirer != null) { 6331 // requirer != null implies that either scannedPackage was null or that scannedPackage 6332 // did not require an ABI, in which case we have to adjust scannedPackage to match 6333 // the ABI of the set (which is the same as requirer's ABI) 6334 adjustedAbi = requirer.primaryCpuAbiString; 6335 if (scannedPackage != null) { 6336 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6337 } 6338 } else { 6339 // requirer == null implies that we're updating all ABIs in the set to 6340 // match scannedPackage. 6341 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6342 } 6343 6344 for (PackageSetting ps : packagesForUser) { 6345 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6346 if (ps.primaryCpuAbiString != null) { 6347 continue; 6348 } 6349 6350 ps.primaryCpuAbiString = adjustedAbi; 6351 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6352 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6353 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6354 6355 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6356 deferDexOpt, true) == DEX_OPT_FAILED) { 6357 ps.primaryCpuAbiString = null; 6358 ps.pkg.applicationInfo.primaryCpuAbi = null; 6359 return; 6360 } else { 6361 mInstaller.rmdex(ps.codePathString, 6362 getDexCodeInstructionSet(getPreferredInstructionSet())); 6363 } 6364 } 6365 } 6366 } 6367 } 6368 } 6369 6370 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6371 synchronized (mPackages) { 6372 mResolverReplaced = true; 6373 // Set up information for custom user intent resolution activity. 6374 mResolveActivity.applicationInfo = pkg.applicationInfo; 6375 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6376 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6377 mResolveActivity.processName = null; 6378 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6379 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6380 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6381 mResolveActivity.theme = 0; 6382 mResolveActivity.exported = true; 6383 mResolveActivity.enabled = true; 6384 mResolveInfo.activityInfo = mResolveActivity; 6385 mResolveInfo.priority = 0; 6386 mResolveInfo.preferredOrder = 0; 6387 mResolveInfo.match = 0; 6388 mResolveComponentName = mCustomResolverComponentName; 6389 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6390 mResolveComponentName); 6391 } 6392 } 6393 6394 private static String calculateBundledApkRoot(final String codePathString) { 6395 final File codePath = new File(codePathString); 6396 final File codeRoot; 6397 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6398 codeRoot = Environment.getRootDirectory(); 6399 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6400 codeRoot = Environment.getOemDirectory(); 6401 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6402 codeRoot = Environment.getVendorDirectory(); 6403 } else { 6404 // Unrecognized code path; take its top real segment as the apk root: 6405 // e.g. /something/app/blah.apk => /something 6406 try { 6407 File f = codePath.getCanonicalFile(); 6408 File parent = f.getParentFile(); // non-null because codePath is a file 6409 File tmp; 6410 while ((tmp = parent.getParentFile()) != null) { 6411 f = parent; 6412 parent = tmp; 6413 } 6414 codeRoot = f; 6415 Slog.w(TAG, "Unrecognized code path " 6416 + codePath + " - using " + codeRoot); 6417 } catch (IOException e) { 6418 // Can't canonicalize the code path -- shenanigans? 6419 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6420 return Environment.getRootDirectory().getPath(); 6421 } 6422 } 6423 return codeRoot.getPath(); 6424 } 6425 6426 /** 6427 * Derive and set the location of native libraries for the given package, 6428 * which varies depending on where and how the package was installed. 6429 */ 6430 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6431 final ApplicationInfo info = pkg.applicationInfo; 6432 final String codePath = pkg.codePath; 6433 final File codeFile = new File(codePath); 6434 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6435 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6436 6437 info.nativeLibraryRootDir = null; 6438 info.nativeLibraryRootRequiresIsa = false; 6439 info.nativeLibraryDir = null; 6440 info.secondaryNativeLibraryDir = null; 6441 6442 if (isApkFile(codeFile)) { 6443 // Monolithic install 6444 if (bundledApp) { 6445 // If "/system/lib64/apkname" exists, assume that is the per-package 6446 // native library directory to use; otherwise use "/system/lib/apkname". 6447 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6448 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6449 getPrimaryInstructionSet(info)); 6450 6451 // This is a bundled system app so choose the path based on the ABI. 6452 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6453 // is just the default path. 6454 final String apkName = deriveCodePathName(codePath); 6455 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6456 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6457 apkName).getAbsolutePath(); 6458 6459 if (info.secondaryCpuAbi != null) { 6460 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6461 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6462 secondaryLibDir, apkName).getAbsolutePath(); 6463 } 6464 } else if (asecApp) { 6465 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6466 .getAbsolutePath(); 6467 } else { 6468 final String apkName = deriveCodePathName(codePath); 6469 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6470 .getAbsolutePath(); 6471 } 6472 6473 info.nativeLibraryRootRequiresIsa = false; 6474 info.nativeLibraryDir = info.nativeLibraryRootDir; 6475 } else { 6476 // Cluster install 6477 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6478 info.nativeLibraryRootRequiresIsa = true; 6479 6480 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6481 getPrimaryInstructionSet(info)).getAbsolutePath(); 6482 6483 if (info.secondaryCpuAbi != null) { 6484 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6485 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6486 } 6487 } 6488 } 6489 6490 /** 6491 * Calculate the abis and roots for a bundled app. These can uniquely 6492 * be determined from the contents of the system partition, i.e whether 6493 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6494 * of this information, and instead assume that the system was built 6495 * sensibly. 6496 */ 6497 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6498 PackageSetting pkgSetting) { 6499 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6500 6501 // If "/system/lib64/apkname" exists, assume that is the per-package 6502 // native library directory to use; otherwise use "/system/lib/apkname". 6503 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6504 setBundledAppAbi(pkg, apkRoot, apkName); 6505 // pkgSetting might be null during rescan following uninstall of updates 6506 // to a bundled app, so accommodate that possibility. The settings in 6507 // that case will be established later from the parsed package. 6508 // 6509 // If the settings aren't null, sync them up with what we've just derived. 6510 // note that apkRoot isn't stored in the package settings. 6511 if (pkgSetting != null) { 6512 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6513 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6514 } 6515 } 6516 6517 /** 6518 * Deduces the ABI of a bundled app and sets the relevant fields on the 6519 * parsed pkg object. 6520 * 6521 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6522 * under which system libraries are installed. 6523 * @param apkName the name of the installed package. 6524 */ 6525 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6526 final File codeFile = new File(pkg.codePath); 6527 6528 final boolean has64BitLibs; 6529 final boolean has32BitLibs; 6530 if (isApkFile(codeFile)) { 6531 // Monolithic install 6532 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6533 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6534 } else { 6535 // Cluster install 6536 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6537 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6538 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6539 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6540 has64BitLibs = (new File(rootDir, isa)).exists(); 6541 } else { 6542 has64BitLibs = false; 6543 } 6544 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6545 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6546 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6547 has32BitLibs = (new File(rootDir, isa)).exists(); 6548 } else { 6549 has32BitLibs = false; 6550 } 6551 } 6552 6553 if (has64BitLibs && !has32BitLibs) { 6554 // The package has 64 bit libs, but not 32 bit libs. Its primary 6555 // ABI should be 64 bit. We can safely assume here that the bundled 6556 // native libraries correspond to the most preferred ABI in the list. 6557 6558 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6559 pkg.applicationInfo.secondaryCpuAbi = null; 6560 } else if (has32BitLibs && !has64BitLibs) { 6561 // The package has 32 bit libs but not 64 bit libs. Its primary 6562 // ABI should be 32 bit. 6563 6564 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6565 pkg.applicationInfo.secondaryCpuAbi = null; 6566 } else if (has32BitLibs && has64BitLibs) { 6567 // The application has both 64 and 32 bit bundled libraries. We check 6568 // here that the app declares multiArch support, and warn if it doesn't. 6569 // 6570 // We will be lenient here and record both ABIs. The primary will be the 6571 // ABI that's higher on the list, i.e, a device that's configured to prefer 6572 // 64 bit apps will see a 64 bit primary ABI, 6573 6574 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6575 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6576 } 6577 6578 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6579 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6580 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6581 } else { 6582 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6583 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6584 } 6585 } else { 6586 pkg.applicationInfo.primaryCpuAbi = null; 6587 pkg.applicationInfo.secondaryCpuAbi = null; 6588 } 6589 } 6590 6591 private void killApplication(String pkgName, int appId, String reason) { 6592 // Request the ActivityManager to kill the process(only for existing packages) 6593 // so that we do not end up in a confused state while the user is still using the older 6594 // version of the application while the new one gets installed. 6595 IActivityManager am = ActivityManagerNative.getDefault(); 6596 if (am != null) { 6597 try { 6598 am.killApplicationWithAppId(pkgName, appId, reason); 6599 } catch (RemoteException e) { 6600 } 6601 } 6602 } 6603 6604 void removePackageLI(PackageSetting ps, boolean chatty) { 6605 if (DEBUG_INSTALL) { 6606 if (chatty) 6607 Log.d(TAG, "Removing package " + ps.name); 6608 } 6609 6610 // writer 6611 synchronized (mPackages) { 6612 mPackages.remove(ps.name); 6613 final PackageParser.Package pkg = ps.pkg; 6614 if (pkg != null) { 6615 cleanPackageDataStructuresLILPw(pkg, chatty); 6616 } 6617 } 6618 } 6619 6620 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6621 if (DEBUG_INSTALL) { 6622 if (chatty) 6623 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6624 } 6625 6626 // writer 6627 synchronized (mPackages) { 6628 mPackages.remove(pkg.applicationInfo.packageName); 6629 cleanPackageDataStructuresLILPw(pkg, chatty); 6630 } 6631 } 6632 6633 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6634 int N = pkg.providers.size(); 6635 StringBuilder r = null; 6636 int i; 6637 for (i=0; i<N; i++) { 6638 PackageParser.Provider p = pkg.providers.get(i); 6639 mProviders.removeProvider(p); 6640 if (p.info.authority == null) { 6641 6642 /* There was another ContentProvider with this authority when 6643 * this app was installed so this authority is null, 6644 * Ignore it as we don't have to unregister the provider. 6645 */ 6646 continue; 6647 } 6648 String names[] = p.info.authority.split(";"); 6649 for (int j = 0; j < names.length; j++) { 6650 if (mProvidersByAuthority.get(names[j]) == p) { 6651 mProvidersByAuthority.remove(names[j]); 6652 if (DEBUG_REMOVE) { 6653 if (chatty) 6654 Log.d(TAG, "Unregistered content provider: " + names[j] 6655 + ", className = " + p.info.name + ", isSyncable = " 6656 + p.info.isSyncable); 6657 } 6658 } 6659 } 6660 if (DEBUG_REMOVE && chatty) { 6661 if (r == null) { 6662 r = new StringBuilder(256); 6663 } else { 6664 r.append(' '); 6665 } 6666 r.append(p.info.name); 6667 } 6668 } 6669 if (r != null) { 6670 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6671 } 6672 6673 N = pkg.services.size(); 6674 r = null; 6675 for (i=0; i<N; i++) { 6676 PackageParser.Service s = pkg.services.get(i); 6677 mServices.removeService(s); 6678 if (chatty) { 6679 if (r == null) { 6680 r = new StringBuilder(256); 6681 } else { 6682 r.append(' '); 6683 } 6684 r.append(s.info.name); 6685 } 6686 } 6687 if (r != null) { 6688 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6689 } 6690 6691 N = pkg.receivers.size(); 6692 r = null; 6693 for (i=0; i<N; i++) { 6694 PackageParser.Activity a = pkg.receivers.get(i); 6695 mReceivers.removeActivity(a, "receiver"); 6696 if (DEBUG_REMOVE && chatty) { 6697 if (r == null) { 6698 r = new StringBuilder(256); 6699 } else { 6700 r.append(' '); 6701 } 6702 r.append(a.info.name); 6703 } 6704 } 6705 if (r != null) { 6706 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6707 } 6708 6709 N = pkg.activities.size(); 6710 r = null; 6711 for (i=0; i<N; i++) { 6712 PackageParser.Activity a = pkg.activities.get(i); 6713 mActivities.removeActivity(a, "activity"); 6714 if (DEBUG_REMOVE && chatty) { 6715 if (r == null) { 6716 r = new StringBuilder(256); 6717 } else { 6718 r.append(' '); 6719 } 6720 r.append(a.info.name); 6721 } 6722 } 6723 if (r != null) { 6724 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6725 } 6726 6727 N = pkg.permissions.size(); 6728 r = null; 6729 for (i=0; i<N; i++) { 6730 PackageParser.Permission p = pkg.permissions.get(i); 6731 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6732 if (bp == null) { 6733 bp = mSettings.mPermissionTrees.get(p.info.name); 6734 } 6735 if (bp != null && bp.perm == p) { 6736 bp.perm = null; 6737 if (DEBUG_REMOVE && chatty) { 6738 if (r == null) { 6739 r = new StringBuilder(256); 6740 } else { 6741 r.append(' '); 6742 } 6743 r.append(p.info.name); 6744 } 6745 } 6746 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6747 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6748 if (appOpPerms != null) { 6749 appOpPerms.remove(pkg.packageName); 6750 } 6751 } 6752 } 6753 if (r != null) { 6754 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6755 } 6756 6757 N = pkg.requestedPermissions.size(); 6758 r = null; 6759 for (i=0; i<N; i++) { 6760 String perm = pkg.requestedPermissions.get(i); 6761 BasePermission bp = mSettings.mPermissions.get(perm); 6762 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6763 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6764 if (appOpPerms != null) { 6765 appOpPerms.remove(pkg.packageName); 6766 if (appOpPerms.isEmpty()) { 6767 mAppOpPermissionPackages.remove(perm); 6768 } 6769 } 6770 } 6771 } 6772 if (r != null) { 6773 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6774 } 6775 6776 N = pkg.instrumentation.size(); 6777 r = null; 6778 for (i=0; i<N; i++) { 6779 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6780 mInstrumentation.remove(a.getComponentName()); 6781 if (DEBUG_REMOVE && chatty) { 6782 if (r == null) { 6783 r = new StringBuilder(256); 6784 } else { 6785 r.append(' '); 6786 } 6787 r.append(a.info.name); 6788 } 6789 } 6790 if (r != null) { 6791 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6792 } 6793 6794 r = null; 6795 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6796 // Only system apps can hold shared libraries. 6797 if (pkg.libraryNames != null) { 6798 for (i=0; i<pkg.libraryNames.size(); i++) { 6799 String name = pkg.libraryNames.get(i); 6800 SharedLibraryEntry cur = mSharedLibraries.get(name); 6801 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6802 mSharedLibraries.remove(name); 6803 if (DEBUG_REMOVE && chatty) { 6804 if (r == null) { 6805 r = new StringBuilder(256); 6806 } else { 6807 r.append(' '); 6808 } 6809 r.append(name); 6810 } 6811 } 6812 } 6813 } 6814 } 6815 if (r != null) { 6816 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6817 } 6818 } 6819 6820 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6821 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6822 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6823 return true; 6824 } 6825 } 6826 return false; 6827 } 6828 6829 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6830 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6831 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6832 6833 private void updatePermissionsLPw(String changingPkg, 6834 PackageParser.Package pkgInfo, int flags) { 6835 // Make sure there are no dangling permission trees. 6836 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6837 while (it.hasNext()) { 6838 final BasePermission bp = it.next(); 6839 if (bp.packageSetting == null) { 6840 // We may not yet have parsed the package, so just see if 6841 // we still know about its settings. 6842 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6843 } 6844 if (bp.packageSetting == null) { 6845 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6846 + " from package " + bp.sourcePackage); 6847 it.remove(); 6848 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6849 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6850 Slog.i(TAG, "Removing old permission tree: " + bp.name 6851 + " from package " + bp.sourcePackage); 6852 flags |= UPDATE_PERMISSIONS_ALL; 6853 it.remove(); 6854 } 6855 } 6856 } 6857 6858 // Make sure all dynamic permissions have been assigned to a package, 6859 // and make sure there are no dangling permissions. 6860 it = mSettings.mPermissions.values().iterator(); 6861 while (it.hasNext()) { 6862 final BasePermission bp = it.next(); 6863 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6864 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6865 + bp.name + " pkg=" + bp.sourcePackage 6866 + " info=" + bp.pendingInfo); 6867 if (bp.packageSetting == null && bp.pendingInfo != null) { 6868 final BasePermission tree = findPermissionTreeLP(bp.name); 6869 if (tree != null && tree.perm != null) { 6870 bp.packageSetting = tree.packageSetting; 6871 bp.perm = new PackageParser.Permission(tree.perm.owner, 6872 new PermissionInfo(bp.pendingInfo)); 6873 bp.perm.info.packageName = tree.perm.info.packageName; 6874 bp.perm.info.name = bp.name; 6875 bp.uid = tree.uid; 6876 } 6877 } 6878 } 6879 if (bp.packageSetting == null) { 6880 // We may not yet have parsed the package, so just see if 6881 // we still know about its settings. 6882 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6883 } 6884 if (bp.packageSetting == null) { 6885 Slog.w(TAG, "Removing dangling permission: " + bp.name 6886 + " from package " + bp.sourcePackage); 6887 it.remove(); 6888 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6889 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6890 Slog.i(TAG, "Removing old permission: " + bp.name 6891 + " from package " + bp.sourcePackage); 6892 flags |= UPDATE_PERMISSIONS_ALL; 6893 it.remove(); 6894 } 6895 } 6896 } 6897 6898 // Now update the permissions for all packages, in particular 6899 // replace the granted permissions of the system packages. 6900 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6901 for (PackageParser.Package pkg : mPackages.values()) { 6902 if (pkg != pkgInfo) { 6903 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6904 changingPkg); 6905 } 6906 } 6907 } 6908 6909 if (pkgInfo != null) { 6910 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6911 } 6912 } 6913 6914 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6915 String packageOfInterest) { 6916 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6917 if (ps == null) { 6918 return; 6919 } 6920 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6921 HashSet<String> origPermissions = gp.grantedPermissions; 6922 boolean changedPermission = false; 6923 6924 if (replace) { 6925 ps.permissionsFixed = false; 6926 if (gp == ps) { 6927 origPermissions = new HashSet<String>(gp.grantedPermissions); 6928 gp.grantedPermissions.clear(); 6929 gp.gids = mGlobalGids; 6930 } 6931 } 6932 6933 if (gp.gids == null) { 6934 gp.gids = mGlobalGids; 6935 } 6936 6937 final int N = pkg.requestedPermissions.size(); 6938 for (int i=0; i<N; i++) { 6939 final String name = pkg.requestedPermissions.get(i); 6940 final boolean required = pkg.requestedPermissionsRequired.get(i); 6941 final BasePermission bp = mSettings.mPermissions.get(name); 6942 if (DEBUG_INSTALL) { 6943 if (gp != ps) { 6944 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6945 } 6946 } 6947 6948 if (bp == null || bp.packageSetting == null) { 6949 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6950 Slog.w(TAG, "Unknown permission " + name 6951 + " in package " + pkg.packageName); 6952 } 6953 continue; 6954 } 6955 6956 final String perm = bp.name; 6957 boolean allowed; 6958 boolean allowedSig = false; 6959 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6960 // Keep track of app op permissions. 6961 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6962 if (pkgs == null) { 6963 pkgs = new ArraySet<>(); 6964 mAppOpPermissionPackages.put(bp.name, pkgs); 6965 } 6966 pkgs.add(pkg.packageName); 6967 } 6968 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6969 if (level == PermissionInfo.PROTECTION_NORMAL 6970 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6971 // We grant a normal or dangerous permission if any of the following 6972 // are true: 6973 // 1) The permission is required 6974 // 2) The permission is optional, but was granted in the past 6975 // 3) The permission is optional, but was requested by an 6976 // app in /system (not /data) 6977 // 6978 // Otherwise, reject the permission. 6979 allowed = (required || origPermissions.contains(perm) 6980 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6981 } else if (bp.packageSetting == null) { 6982 // This permission is invalid; skip it. 6983 allowed = false; 6984 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6985 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6986 if (allowed) { 6987 allowedSig = true; 6988 } 6989 } else { 6990 allowed = false; 6991 } 6992 if (DEBUG_INSTALL) { 6993 if (gp != ps) { 6994 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6995 } 6996 } 6997 if (allowed) { 6998 if (!isSystemApp(ps) && ps.permissionsFixed) { 6999 // If this is an existing, non-system package, then 7000 // we can't add any new permissions to it. 7001 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7002 // Except... if this is a permission that was added 7003 // to the platform (note: need to only do this when 7004 // updating the platform). 7005 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7006 } 7007 } 7008 if (allowed) { 7009 if (!gp.grantedPermissions.contains(perm)) { 7010 changedPermission = true; 7011 gp.grantedPermissions.add(perm); 7012 gp.gids = appendInts(gp.gids, bp.gids); 7013 } else if (!ps.haveGids) { 7014 gp.gids = appendInts(gp.gids, bp.gids); 7015 } 7016 } else { 7017 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7018 Slog.w(TAG, "Not granting permission " + perm 7019 + " to package " + pkg.packageName 7020 + " because it was previously installed without"); 7021 } 7022 } 7023 } else { 7024 if (gp.grantedPermissions.remove(perm)) { 7025 changedPermission = true; 7026 gp.gids = removeInts(gp.gids, bp.gids); 7027 Slog.i(TAG, "Un-granting permission " + perm 7028 + " from package " + pkg.packageName 7029 + " (protectionLevel=" + bp.protectionLevel 7030 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7031 + ")"); 7032 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7033 // Don't print warning for app op permissions, since it is fine for them 7034 // not to be granted, there is a UI for the user to decide. 7035 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7036 Slog.w(TAG, "Not granting permission " + perm 7037 + " to package " + pkg.packageName 7038 + " (protectionLevel=" + bp.protectionLevel 7039 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7040 + ")"); 7041 } 7042 } 7043 } 7044 } 7045 7046 if ((changedPermission || replace) && !ps.permissionsFixed && 7047 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7048 // This is the first that we have heard about this package, so the 7049 // permissions we have now selected are fixed until explicitly 7050 // changed. 7051 ps.permissionsFixed = true; 7052 } 7053 ps.haveGids = true; 7054 } 7055 7056 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7057 boolean allowed = false; 7058 final int NP = PackageParser.NEW_PERMISSIONS.length; 7059 for (int ip=0; ip<NP; ip++) { 7060 final PackageParser.NewPermissionInfo npi 7061 = PackageParser.NEW_PERMISSIONS[ip]; 7062 if (npi.name.equals(perm) 7063 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7064 allowed = true; 7065 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7066 + pkg.packageName); 7067 break; 7068 } 7069 } 7070 return allowed; 7071 } 7072 7073 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7074 BasePermission bp, HashSet<String> origPermissions) { 7075 boolean allowed; 7076 allowed = (compareSignatures( 7077 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7078 == PackageManager.SIGNATURE_MATCH) 7079 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7080 == PackageManager.SIGNATURE_MATCH); 7081 if (!allowed && (bp.protectionLevel 7082 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7083 if (isSystemApp(pkg)) { 7084 // For updated system applications, a system permission 7085 // is granted only if it had been defined by the original application. 7086 if (isUpdatedSystemApp(pkg)) { 7087 final PackageSetting sysPs = mSettings 7088 .getDisabledSystemPkgLPr(pkg.packageName); 7089 final GrantedPermissions origGp = sysPs.sharedUser != null 7090 ? sysPs.sharedUser : sysPs; 7091 7092 if (origGp.grantedPermissions.contains(perm)) { 7093 // If the original was granted this permission, we take 7094 // that grant decision as read and propagate it to the 7095 // update. 7096 allowed = true; 7097 } else { 7098 // The system apk may have been updated with an older 7099 // version of the one on the data partition, but which 7100 // granted a new system permission that it didn't have 7101 // before. In this case we do want to allow the app to 7102 // now get the new permission if the ancestral apk is 7103 // privileged to get it. 7104 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7105 for (int j=0; 7106 j<sysPs.pkg.requestedPermissions.size(); j++) { 7107 if (perm.equals( 7108 sysPs.pkg.requestedPermissions.get(j))) { 7109 allowed = true; 7110 break; 7111 } 7112 } 7113 } 7114 } 7115 } else { 7116 allowed = isPrivilegedApp(pkg); 7117 } 7118 } 7119 } 7120 if (!allowed && (bp.protectionLevel 7121 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7122 // For development permissions, a development permission 7123 // is granted only if it was already granted. 7124 allowed = origPermissions.contains(perm); 7125 } 7126 return allowed; 7127 } 7128 7129 final class ActivityIntentResolver 7130 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7131 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7132 boolean defaultOnly, int userId) { 7133 if (!sUserManager.exists(userId)) return null; 7134 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7135 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7136 } 7137 7138 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7139 int userId) { 7140 if (!sUserManager.exists(userId)) return null; 7141 mFlags = flags; 7142 return super.queryIntent(intent, resolvedType, 7143 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7144 } 7145 7146 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7147 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7148 if (!sUserManager.exists(userId)) return null; 7149 if (packageActivities == null) { 7150 return null; 7151 } 7152 mFlags = flags; 7153 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7154 final int N = packageActivities.size(); 7155 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7156 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7157 7158 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7159 for (int i = 0; i < N; ++i) { 7160 intentFilters = packageActivities.get(i).intents; 7161 if (intentFilters != null && intentFilters.size() > 0) { 7162 PackageParser.ActivityIntentInfo[] array = 7163 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7164 intentFilters.toArray(array); 7165 listCut.add(array); 7166 } 7167 } 7168 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7169 } 7170 7171 public final void addActivity(PackageParser.Activity a, String type) { 7172 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7173 mActivities.put(a.getComponentName(), a); 7174 if (DEBUG_SHOW_INFO) 7175 Log.v( 7176 TAG, " " + type + " " + 7177 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7178 if (DEBUG_SHOW_INFO) 7179 Log.v(TAG, " Class=" + a.info.name); 7180 final int NI = a.intents.size(); 7181 for (int j=0; j<NI; j++) { 7182 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7183 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7184 intent.setPriority(0); 7185 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7186 + a.className + " with priority > 0, forcing to 0"); 7187 } 7188 if (DEBUG_SHOW_INFO) { 7189 Log.v(TAG, " IntentFilter:"); 7190 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7191 } 7192 if (!intent.debugCheck()) { 7193 Log.w(TAG, "==> For Activity " + a.info.name); 7194 } 7195 addFilter(intent); 7196 } 7197 } 7198 7199 public final void removeActivity(PackageParser.Activity a, String type) { 7200 mActivities.remove(a.getComponentName()); 7201 if (DEBUG_SHOW_INFO) { 7202 Log.v(TAG, " " + type + " " 7203 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7204 : a.info.name) + ":"); 7205 Log.v(TAG, " Class=" + a.info.name); 7206 } 7207 final int NI = a.intents.size(); 7208 for (int j=0; j<NI; j++) { 7209 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7210 if (DEBUG_SHOW_INFO) { 7211 Log.v(TAG, " IntentFilter:"); 7212 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7213 } 7214 removeFilter(intent); 7215 } 7216 } 7217 7218 @Override 7219 protected boolean allowFilterResult( 7220 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7221 ActivityInfo filterAi = filter.activity.info; 7222 for (int i=dest.size()-1; i>=0; i--) { 7223 ActivityInfo destAi = dest.get(i).activityInfo; 7224 if (destAi.name == filterAi.name 7225 && destAi.packageName == filterAi.packageName) { 7226 return false; 7227 } 7228 } 7229 return true; 7230 } 7231 7232 @Override 7233 protected ActivityIntentInfo[] newArray(int size) { 7234 return new ActivityIntentInfo[size]; 7235 } 7236 7237 @Override 7238 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7239 if (!sUserManager.exists(userId)) return true; 7240 PackageParser.Package p = filter.activity.owner; 7241 if (p != null) { 7242 PackageSetting ps = (PackageSetting)p.mExtras; 7243 if (ps != null) { 7244 // System apps are never considered stopped for purposes of 7245 // filtering, because there may be no way for the user to 7246 // actually re-launch them. 7247 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7248 && ps.getStopped(userId); 7249 } 7250 } 7251 return false; 7252 } 7253 7254 @Override 7255 protected boolean isPackageForFilter(String packageName, 7256 PackageParser.ActivityIntentInfo info) { 7257 return packageName.equals(info.activity.owner.packageName); 7258 } 7259 7260 @Override 7261 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7262 int match, int userId) { 7263 if (!sUserManager.exists(userId)) return null; 7264 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7265 return null; 7266 } 7267 final PackageParser.Activity activity = info.activity; 7268 if (mSafeMode && (activity.info.applicationInfo.flags 7269 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7270 return null; 7271 } 7272 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7273 if (ps == null) { 7274 return null; 7275 } 7276 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7277 ps.readUserState(userId), userId); 7278 if (ai == null) { 7279 return null; 7280 } 7281 final ResolveInfo res = new ResolveInfo(); 7282 res.activityInfo = ai; 7283 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7284 res.filter = info; 7285 } 7286 res.priority = info.getPriority(); 7287 res.preferredOrder = activity.owner.mPreferredOrder; 7288 //System.out.println("Result: " + res.activityInfo.className + 7289 // " = " + res.priority); 7290 res.match = match; 7291 res.isDefault = info.hasDefault; 7292 res.labelRes = info.labelRes; 7293 res.nonLocalizedLabel = info.nonLocalizedLabel; 7294 if (userNeedsBadging(userId)) { 7295 res.noResourceId = true; 7296 } else { 7297 res.icon = info.icon; 7298 } 7299 res.system = isSystemApp(res.activityInfo.applicationInfo); 7300 return res; 7301 } 7302 7303 @Override 7304 protected void sortResults(List<ResolveInfo> results) { 7305 Collections.sort(results, mResolvePrioritySorter); 7306 } 7307 7308 @Override 7309 protected void dumpFilter(PrintWriter out, String prefix, 7310 PackageParser.ActivityIntentInfo filter) { 7311 out.print(prefix); out.print( 7312 Integer.toHexString(System.identityHashCode(filter.activity))); 7313 out.print(' '); 7314 filter.activity.printComponentShortName(out); 7315 out.print(" filter "); 7316 out.println(Integer.toHexString(System.identityHashCode(filter))); 7317 } 7318 7319// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7320// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7321// final List<ResolveInfo> retList = Lists.newArrayList(); 7322// while (i.hasNext()) { 7323// final ResolveInfo resolveInfo = i.next(); 7324// if (isEnabledLP(resolveInfo.activityInfo)) { 7325// retList.add(resolveInfo); 7326// } 7327// } 7328// return retList; 7329// } 7330 7331 // Keys are String (activity class name), values are Activity. 7332 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7333 = new HashMap<ComponentName, PackageParser.Activity>(); 7334 private int mFlags; 7335 } 7336 7337 private final class ServiceIntentResolver 7338 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7339 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7340 boolean defaultOnly, int userId) { 7341 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7342 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7343 } 7344 7345 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7346 int userId) { 7347 if (!sUserManager.exists(userId)) return null; 7348 mFlags = flags; 7349 return super.queryIntent(intent, resolvedType, 7350 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7351 } 7352 7353 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7354 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7355 if (!sUserManager.exists(userId)) return null; 7356 if (packageServices == null) { 7357 return null; 7358 } 7359 mFlags = flags; 7360 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7361 final int N = packageServices.size(); 7362 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7363 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7364 7365 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7366 for (int i = 0; i < N; ++i) { 7367 intentFilters = packageServices.get(i).intents; 7368 if (intentFilters != null && intentFilters.size() > 0) { 7369 PackageParser.ServiceIntentInfo[] array = 7370 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7371 intentFilters.toArray(array); 7372 listCut.add(array); 7373 } 7374 } 7375 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7376 } 7377 7378 public final void addService(PackageParser.Service s) { 7379 mServices.put(s.getComponentName(), s); 7380 if (DEBUG_SHOW_INFO) { 7381 Log.v(TAG, " " 7382 + (s.info.nonLocalizedLabel != null 7383 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7384 Log.v(TAG, " Class=" + s.info.name); 7385 } 7386 final int NI = s.intents.size(); 7387 int j; 7388 for (j=0; j<NI; j++) { 7389 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7390 if (DEBUG_SHOW_INFO) { 7391 Log.v(TAG, " IntentFilter:"); 7392 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7393 } 7394 if (!intent.debugCheck()) { 7395 Log.w(TAG, "==> For Service " + s.info.name); 7396 } 7397 addFilter(intent); 7398 } 7399 } 7400 7401 public final void removeService(PackageParser.Service s) { 7402 mServices.remove(s.getComponentName()); 7403 if (DEBUG_SHOW_INFO) { 7404 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7405 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7406 Log.v(TAG, " Class=" + s.info.name); 7407 } 7408 final int NI = s.intents.size(); 7409 int j; 7410 for (j=0; j<NI; j++) { 7411 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7412 if (DEBUG_SHOW_INFO) { 7413 Log.v(TAG, " IntentFilter:"); 7414 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7415 } 7416 removeFilter(intent); 7417 } 7418 } 7419 7420 @Override 7421 protected boolean allowFilterResult( 7422 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7423 ServiceInfo filterSi = filter.service.info; 7424 for (int i=dest.size()-1; i>=0; i--) { 7425 ServiceInfo destAi = dest.get(i).serviceInfo; 7426 if (destAi.name == filterSi.name 7427 && destAi.packageName == filterSi.packageName) { 7428 return false; 7429 } 7430 } 7431 return true; 7432 } 7433 7434 @Override 7435 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7436 return new PackageParser.ServiceIntentInfo[size]; 7437 } 7438 7439 @Override 7440 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7441 if (!sUserManager.exists(userId)) return true; 7442 PackageParser.Package p = filter.service.owner; 7443 if (p != null) { 7444 PackageSetting ps = (PackageSetting)p.mExtras; 7445 if (ps != null) { 7446 // System apps are never considered stopped for purposes of 7447 // filtering, because there may be no way for the user to 7448 // actually re-launch them. 7449 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7450 && ps.getStopped(userId); 7451 } 7452 } 7453 return false; 7454 } 7455 7456 @Override 7457 protected boolean isPackageForFilter(String packageName, 7458 PackageParser.ServiceIntentInfo info) { 7459 return packageName.equals(info.service.owner.packageName); 7460 } 7461 7462 @Override 7463 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7464 int match, int userId) { 7465 if (!sUserManager.exists(userId)) return null; 7466 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7467 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7468 return null; 7469 } 7470 final PackageParser.Service service = info.service; 7471 if (mSafeMode && (service.info.applicationInfo.flags 7472 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7473 return null; 7474 } 7475 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7476 if (ps == null) { 7477 return null; 7478 } 7479 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7480 ps.readUserState(userId), userId); 7481 if (si == null) { 7482 return null; 7483 } 7484 final ResolveInfo res = new ResolveInfo(); 7485 res.serviceInfo = si; 7486 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7487 res.filter = filter; 7488 } 7489 res.priority = info.getPriority(); 7490 res.preferredOrder = service.owner.mPreferredOrder; 7491 //System.out.println("Result: " + res.activityInfo.className + 7492 // " = " + res.priority); 7493 res.match = match; 7494 res.isDefault = info.hasDefault; 7495 res.labelRes = info.labelRes; 7496 res.nonLocalizedLabel = info.nonLocalizedLabel; 7497 res.icon = info.icon; 7498 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7499 return res; 7500 } 7501 7502 @Override 7503 protected void sortResults(List<ResolveInfo> results) { 7504 Collections.sort(results, mResolvePrioritySorter); 7505 } 7506 7507 @Override 7508 protected void dumpFilter(PrintWriter out, String prefix, 7509 PackageParser.ServiceIntentInfo filter) { 7510 out.print(prefix); out.print( 7511 Integer.toHexString(System.identityHashCode(filter.service))); 7512 out.print(' '); 7513 filter.service.printComponentShortName(out); 7514 out.print(" filter "); 7515 out.println(Integer.toHexString(System.identityHashCode(filter))); 7516 } 7517 7518// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7519// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7520// final List<ResolveInfo> retList = Lists.newArrayList(); 7521// while (i.hasNext()) { 7522// final ResolveInfo resolveInfo = (ResolveInfo) i; 7523// if (isEnabledLP(resolveInfo.serviceInfo)) { 7524// retList.add(resolveInfo); 7525// } 7526// } 7527// return retList; 7528// } 7529 7530 // Keys are String (activity class name), values are Activity. 7531 private final HashMap<ComponentName, PackageParser.Service> mServices 7532 = new HashMap<ComponentName, PackageParser.Service>(); 7533 private int mFlags; 7534 }; 7535 7536 private final class ProviderIntentResolver 7537 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7538 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7539 boolean defaultOnly, int userId) { 7540 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7541 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7542 } 7543 7544 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7545 int userId) { 7546 if (!sUserManager.exists(userId)) 7547 return null; 7548 mFlags = flags; 7549 return super.queryIntent(intent, resolvedType, 7550 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7551 } 7552 7553 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7554 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7555 if (!sUserManager.exists(userId)) 7556 return null; 7557 if (packageProviders == null) { 7558 return null; 7559 } 7560 mFlags = flags; 7561 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7562 final int N = packageProviders.size(); 7563 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7564 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7565 7566 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7567 for (int i = 0; i < N; ++i) { 7568 intentFilters = packageProviders.get(i).intents; 7569 if (intentFilters != null && intentFilters.size() > 0) { 7570 PackageParser.ProviderIntentInfo[] array = 7571 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7572 intentFilters.toArray(array); 7573 listCut.add(array); 7574 } 7575 } 7576 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7577 } 7578 7579 public final void addProvider(PackageParser.Provider p) { 7580 if (mProviders.containsKey(p.getComponentName())) { 7581 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7582 return; 7583 } 7584 7585 mProviders.put(p.getComponentName(), p); 7586 if (DEBUG_SHOW_INFO) { 7587 Log.v(TAG, " " 7588 + (p.info.nonLocalizedLabel != null 7589 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7590 Log.v(TAG, " Class=" + p.info.name); 7591 } 7592 final int NI = p.intents.size(); 7593 int j; 7594 for (j = 0; j < NI; j++) { 7595 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7596 if (DEBUG_SHOW_INFO) { 7597 Log.v(TAG, " IntentFilter:"); 7598 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7599 } 7600 if (!intent.debugCheck()) { 7601 Log.w(TAG, "==> For Provider " + p.info.name); 7602 } 7603 addFilter(intent); 7604 } 7605 } 7606 7607 public final void removeProvider(PackageParser.Provider p) { 7608 mProviders.remove(p.getComponentName()); 7609 if (DEBUG_SHOW_INFO) { 7610 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7611 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7612 Log.v(TAG, " Class=" + p.info.name); 7613 } 7614 final int NI = p.intents.size(); 7615 int j; 7616 for (j = 0; j < NI; j++) { 7617 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7618 if (DEBUG_SHOW_INFO) { 7619 Log.v(TAG, " IntentFilter:"); 7620 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7621 } 7622 removeFilter(intent); 7623 } 7624 } 7625 7626 @Override 7627 protected boolean allowFilterResult( 7628 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7629 ProviderInfo filterPi = filter.provider.info; 7630 for (int i = dest.size() - 1; i >= 0; i--) { 7631 ProviderInfo destPi = dest.get(i).providerInfo; 7632 if (destPi.name == filterPi.name 7633 && destPi.packageName == filterPi.packageName) { 7634 return false; 7635 } 7636 } 7637 return true; 7638 } 7639 7640 @Override 7641 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7642 return new PackageParser.ProviderIntentInfo[size]; 7643 } 7644 7645 @Override 7646 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7647 if (!sUserManager.exists(userId)) 7648 return true; 7649 PackageParser.Package p = filter.provider.owner; 7650 if (p != null) { 7651 PackageSetting ps = (PackageSetting) p.mExtras; 7652 if (ps != null) { 7653 // System apps are never considered stopped for purposes of 7654 // filtering, because there may be no way for the user to 7655 // actually re-launch them. 7656 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7657 && ps.getStopped(userId); 7658 } 7659 } 7660 return false; 7661 } 7662 7663 @Override 7664 protected boolean isPackageForFilter(String packageName, 7665 PackageParser.ProviderIntentInfo info) { 7666 return packageName.equals(info.provider.owner.packageName); 7667 } 7668 7669 @Override 7670 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7671 int match, int userId) { 7672 if (!sUserManager.exists(userId)) 7673 return null; 7674 final PackageParser.ProviderIntentInfo info = filter; 7675 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7676 return null; 7677 } 7678 final PackageParser.Provider provider = info.provider; 7679 if (mSafeMode && (provider.info.applicationInfo.flags 7680 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7681 return null; 7682 } 7683 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7684 if (ps == null) { 7685 return null; 7686 } 7687 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7688 ps.readUserState(userId), userId); 7689 if (pi == null) { 7690 return null; 7691 } 7692 final ResolveInfo res = new ResolveInfo(); 7693 res.providerInfo = pi; 7694 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7695 res.filter = filter; 7696 } 7697 res.priority = info.getPriority(); 7698 res.preferredOrder = provider.owner.mPreferredOrder; 7699 res.match = match; 7700 res.isDefault = info.hasDefault; 7701 res.labelRes = info.labelRes; 7702 res.nonLocalizedLabel = info.nonLocalizedLabel; 7703 res.icon = info.icon; 7704 res.system = isSystemApp(res.providerInfo.applicationInfo); 7705 return res; 7706 } 7707 7708 @Override 7709 protected void sortResults(List<ResolveInfo> results) { 7710 Collections.sort(results, mResolvePrioritySorter); 7711 } 7712 7713 @Override 7714 protected void dumpFilter(PrintWriter out, String prefix, 7715 PackageParser.ProviderIntentInfo filter) { 7716 out.print(prefix); 7717 out.print( 7718 Integer.toHexString(System.identityHashCode(filter.provider))); 7719 out.print(' '); 7720 filter.provider.printComponentShortName(out); 7721 out.print(" filter "); 7722 out.println(Integer.toHexString(System.identityHashCode(filter))); 7723 } 7724 7725 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7726 = new HashMap<ComponentName, PackageParser.Provider>(); 7727 private int mFlags; 7728 }; 7729 7730 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7731 new Comparator<ResolveInfo>() { 7732 public int compare(ResolveInfo r1, ResolveInfo r2) { 7733 int v1 = r1.priority; 7734 int v2 = r2.priority; 7735 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7736 if (v1 != v2) { 7737 return (v1 > v2) ? -1 : 1; 7738 } 7739 v1 = r1.preferredOrder; 7740 v2 = r2.preferredOrder; 7741 if (v1 != v2) { 7742 return (v1 > v2) ? -1 : 1; 7743 } 7744 if (r1.isDefault != r2.isDefault) { 7745 return r1.isDefault ? -1 : 1; 7746 } 7747 v1 = r1.match; 7748 v2 = r2.match; 7749 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7750 if (v1 != v2) { 7751 return (v1 > v2) ? -1 : 1; 7752 } 7753 if (r1.system != r2.system) { 7754 return r1.system ? -1 : 1; 7755 } 7756 return 0; 7757 } 7758 }; 7759 7760 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7761 new Comparator<ProviderInfo>() { 7762 public int compare(ProviderInfo p1, ProviderInfo p2) { 7763 final int v1 = p1.initOrder; 7764 final int v2 = p2.initOrder; 7765 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7766 } 7767 }; 7768 7769 static final void sendPackageBroadcast(String action, String pkg, 7770 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7771 int[] userIds) { 7772 IActivityManager am = ActivityManagerNative.getDefault(); 7773 if (am != null) { 7774 try { 7775 if (userIds == null) { 7776 userIds = am.getRunningUserIds(); 7777 } 7778 for (int id : userIds) { 7779 final Intent intent = new Intent(action, 7780 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7781 if (extras != null) { 7782 intent.putExtras(extras); 7783 } 7784 if (targetPkg != null) { 7785 intent.setPackage(targetPkg); 7786 } 7787 // Modify the UID when posting to other users 7788 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7789 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7790 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7791 intent.putExtra(Intent.EXTRA_UID, uid); 7792 } 7793 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7794 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7795 if (DEBUG_BROADCASTS) { 7796 RuntimeException here = new RuntimeException("here"); 7797 here.fillInStackTrace(); 7798 Slog.d(TAG, "Sending to user " + id + ": " 7799 + intent.toShortString(false, true, false, false) 7800 + " " + intent.getExtras(), here); 7801 } 7802 am.broadcastIntent(null, intent, null, finishedReceiver, 7803 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7804 finishedReceiver != null, false, id); 7805 } 7806 } catch (RemoteException ex) { 7807 } 7808 } 7809 } 7810 7811 /** 7812 * Check if the external storage media is available. This is true if there 7813 * is a mounted external storage medium or if the external storage is 7814 * emulated. 7815 */ 7816 private boolean isExternalMediaAvailable() { 7817 return mMediaMounted || Environment.isExternalStorageEmulated(); 7818 } 7819 7820 @Override 7821 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7822 // writer 7823 synchronized (mPackages) { 7824 if (!isExternalMediaAvailable()) { 7825 // If the external storage is no longer mounted at this point, 7826 // the caller may not have been able to delete all of this 7827 // packages files and can not delete any more. Bail. 7828 return null; 7829 } 7830 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7831 if (lastPackage != null) { 7832 pkgs.remove(lastPackage); 7833 } 7834 if (pkgs.size() > 0) { 7835 return pkgs.get(0); 7836 } 7837 } 7838 return null; 7839 } 7840 7841 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7842 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7843 userId, andCode ? 1 : 0, packageName); 7844 if (mSystemReady) { 7845 msg.sendToTarget(); 7846 } else { 7847 if (mPostSystemReadyMessages == null) { 7848 mPostSystemReadyMessages = new ArrayList<>(); 7849 } 7850 mPostSystemReadyMessages.add(msg); 7851 } 7852 } 7853 7854 void startCleaningPackages() { 7855 // reader 7856 synchronized (mPackages) { 7857 if (!isExternalMediaAvailable()) { 7858 return; 7859 } 7860 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7861 return; 7862 } 7863 } 7864 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7865 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7866 IActivityManager am = ActivityManagerNative.getDefault(); 7867 if (am != null) { 7868 try { 7869 am.startService(null, intent, null, UserHandle.USER_OWNER); 7870 } catch (RemoteException e) { 7871 } 7872 } 7873 } 7874 7875 @Override 7876 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7877 int installFlags, String installerPackageName, VerificationParams verificationParams, 7878 String packageAbiOverride) { 7879 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7880 packageAbiOverride, UserHandle.getCallingUserId()); 7881 } 7882 7883 @Override 7884 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7885 int installFlags, String installerPackageName, VerificationParams verificationParams, 7886 String packageAbiOverride, int userId) { 7887 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7888 7889 final int callingUid = Binder.getCallingUid(); 7890 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7891 7892 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7893 try { 7894 if (observer != null) { 7895 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7896 } 7897 } catch (RemoteException re) { 7898 } 7899 return; 7900 } 7901 7902 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7903 installFlags |= PackageManager.INSTALL_FROM_ADB; 7904 7905 } else { 7906 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7907 // about installerPackageName. 7908 7909 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7910 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7911 } 7912 7913 UserHandle user; 7914 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7915 user = UserHandle.ALL; 7916 } else { 7917 user = new UserHandle(userId); 7918 } 7919 7920 verificationParams.setInstallerUid(callingUid); 7921 7922 final File originFile = new File(originPath); 7923 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7924 7925 final Message msg = mHandler.obtainMessage(INIT_COPY); 7926 msg.obj = new InstallParams(origin, observer, installFlags, 7927 installerPackageName, verificationParams, user, packageAbiOverride); 7928 mHandler.sendMessage(msg); 7929 } 7930 7931 void installStage(String packageName, File stagedDir, String stagedCid, 7932 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7933 String installerPackageName, int installerUid, UserHandle user) { 7934 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7935 params.referrerUri, installerUid, null); 7936 7937 final OriginInfo origin; 7938 if (stagedDir != null) { 7939 origin = OriginInfo.fromStagedFile(stagedDir); 7940 } else { 7941 origin = OriginInfo.fromStagedContainer(stagedCid); 7942 } 7943 7944 final Message msg = mHandler.obtainMessage(INIT_COPY); 7945 msg.obj = new InstallParams(origin, observer, params.installFlags, 7946 installerPackageName, verifParams, user, params.abiOverride); 7947 mHandler.sendMessage(msg); 7948 } 7949 7950 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7951 Bundle extras = new Bundle(1); 7952 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7953 7954 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7955 packageName, extras, null, null, new int[] {userId}); 7956 try { 7957 IActivityManager am = ActivityManagerNative.getDefault(); 7958 final boolean isSystem = 7959 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7960 if (isSystem && am.isUserRunning(userId, false)) { 7961 // The just-installed/enabled app is bundled on the system, so presumed 7962 // to be able to run automatically without needing an explicit launch. 7963 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7964 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7965 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7966 .setPackage(packageName); 7967 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7968 android.app.AppOpsManager.OP_NONE, false, false, userId); 7969 } 7970 } catch (RemoteException e) { 7971 // shouldn't happen 7972 Slog.w(TAG, "Unable to bootstrap installed package", e); 7973 } 7974 } 7975 7976 @Override 7977 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7978 int userId) { 7979 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7980 PackageSetting pkgSetting; 7981 final int uid = Binder.getCallingUid(); 7982 enforceCrossUserPermission(uid, userId, true, true, 7983 "setApplicationHiddenSetting for user " + userId); 7984 7985 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7986 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7987 return false; 7988 } 7989 7990 long callingId = Binder.clearCallingIdentity(); 7991 try { 7992 boolean sendAdded = false; 7993 boolean sendRemoved = false; 7994 // writer 7995 synchronized (mPackages) { 7996 pkgSetting = mSettings.mPackages.get(packageName); 7997 if (pkgSetting == null) { 7998 return false; 7999 } 8000 if (pkgSetting.getHidden(userId) != hidden) { 8001 pkgSetting.setHidden(hidden, userId); 8002 mSettings.writePackageRestrictionsLPr(userId); 8003 if (hidden) { 8004 sendRemoved = true; 8005 } else { 8006 sendAdded = true; 8007 } 8008 } 8009 } 8010 if (sendAdded) { 8011 sendPackageAddedForUser(packageName, pkgSetting, userId); 8012 return true; 8013 } 8014 if (sendRemoved) { 8015 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8016 "hiding pkg"); 8017 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8018 } 8019 } finally { 8020 Binder.restoreCallingIdentity(callingId); 8021 } 8022 return false; 8023 } 8024 8025 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8026 int userId) { 8027 final PackageRemovedInfo info = new PackageRemovedInfo(); 8028 info.removedPackage = packageName; 8029 info.removedUsers = new int[] {userId}; 8030 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8031 info.sendBroadcast(false, false, false); 8032 } 8033 8034 /** 8035 * Returns true if application is not found or there was an error. Otherwise it returns 8036 * the hidden state of the package for the given user. 8037 */ 8038 @Override 8039 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8040 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8041 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8042 false, "getApplicationHidden for user " + userId); 8043 PackageSetting pkgSetting; 8044 long callingId = Binder.clearCallingIdentity(); 8045 try { 8046 // writer 8047 synchronized (mPackages) { 8048 pkgSetting = mSettings.mPackages.get(packageName); 8049 if (pkgSetting == null) { 8050 return true; 8051 } 8052 return pkgSetting.getHidden(userId); 8053 } 8054 } finally { 8055 Binder.restoreCallingIdentity(callingId); 8056 } 8057 } 8058 8059 /** 8060 * @hide 8061 */ 8062 @Override 8063 public int installExistingPackageAsUser(String packageName, int userId) { 8064 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8065 null); 8066 PackageSetting pkgSetting; 8067 final int uid = Binder.getCallingUid(); 8068 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8069 + userId); 8070 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8071 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8072 } 8073 8074 long callingId = Binder.clearCallingIdentity(); 8075 try { 8076 boolean sendAdded = false; 8077 Bundle extras = new Bundle(1); 8078 8079 // writer 8080 synchronized (mPackages) { 8081 pkgSetting = mSettings.mPackages.get(packageName); 8082 if (pkgSetting == null) { 8083 return PackageManager.INSTALL_FAILED_INVALID_URI; 8084 } 8085 if (!pkgSetting.getInstalled(userId)) { 8086 pkgSetting.setInstalled(true, userId); 8087 pkgSetting.setHidden(false, userId); 8088 mSettings.writePackageRestrictionsLPr(userId); 8089 sendAdded = true; 8090 } 8091 } 8092 8093 if (sendAdded) { 8094 sendPackageAddedForUser(packageName, pkgSetting, userId); 8095 } 8096 } finally { 8097 Binder.restoreCallingIdentity(callingId); 8098 } 8099 8100 return PackageManager.INSTALL_SUCCEEDED; 8101 } 8102 8103 boolean isUserRestricted(int userId, String restrictionKey) { 8104 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8105 if (restrictions.getBoolean(restrictionKey, false)) { 8106 Log.w(TAG, "User is restricted: " + restrictionKey); 8107 return true; 8108 } 8109 return false; 8110 } 8111 8112 @Override 8113 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8114 mContext.enforceCallingOrSelfPermission( 8115 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8116 "Only package verification agents can verify applications"); 8117 8118 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8119 final PackageVerificationResponse response = new PackageVerificationResponse( 8120 verificationCode, Binder.getCallingUid()); 8121 msg.arg1 = id; 8122 msg.obj = response; 8123 mHandler.sendMessage(msg); 8124 } 8125 8126 @Override 8127 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8128 long millisecondsToDelay) { 8129 mContext.enforceCallingOrSelfPermission( 8130 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8131 "Only package verification agents can extend verification timeouts"); 8132 8133 final PackageVerificationState state = mPendingVerification.get(id); 8134 final PackageVerificationResponse response = new PackageVerificationResponse( 8135 verificationCodeAtTimeout, Binder.getCallingUid()); 8136 8137 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8138 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8139 } 8140 if (millisecondsToDelay < 0) { 8141 millisecondsToDelay = 0; 8142 } 8143 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8144 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8145 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8146 } 8147 8148 if ((state != null) && !state.timeoutExtended()) { 8149 state.extendTimeout(); 8150 8151 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8152 msg.arg1 = id; 8153 msg.obj = response; 8154 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8155 } 8156 } 8157 8158 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8159 int verificationCode, UserHandle user) { 8160 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8161 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8162 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8163 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8164 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8165 8166 mContext.sendBroadcastAsUser(intent, user, 8167 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8168 } 8169 8170 private ComponentName matchComponentForVerifier(String packageName, 8171 List<ResolveInfo> receivers) { 8172 ActivityInfo targetReceiver = null; 8173 8174 final int NR = receivers.size(); 8175 for (int i = 0; i < NR; i++) { 8176 final ResolveInfo info = receivers.get(i); 8177 if (info.activityInfo == null) { 8178 continue; 8179 } 8180 8181 if (packageName.equals(info.activityInfo.packageName)) { 8182 targetReceiver = info.activityInfo; 8183 break; 8184 } 8185 } 8186 8187 if (targetReceiver == null) { 8188 return null; 8189 } 8190 8191 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8192 } 8193 8194 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8195 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8196 if (pkgInfo.verifiers.length == 0) { 8197 return null; 8198 } 8199 8200 final int N = pkgInfo.verifiers.length; 8201 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8202 for (int i = 0; i < N; i++) { 8203 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8204 8205 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8206 receivers); 8207 if (comp == null) { 8208 continue; 8209 } 8210 8211 final int verifierUid = getUidForVerifier(verifierInfo); 8212 if (verifierUid == -1) { 8213 continue; 8214 } 8215 8216 if (DEBUG_VERIFY) { 8217 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8218 + " with the correct signature"); 8219 } 8220 sufficientVerifiers.add(comp); 8221 verificationState.addSufficientVerifier(verifierUid); 8222 } 8223 8224 return sufficientVerifiers; 8225 } 8226 8227 private int getUidForVerifier(VerifierInfo verifierInfo) { 8228 synchronized (mPackages) { 8229 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8230 if (pkg == null) { 8231 return -1; 8232 } else if (pkg.mSignatures.length != 1) { 8233 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8234 + " has more than one signature; ignoring"); 8235 return -1; 8236 } 8237 8238 /* 8239 * If the public key of the package's signature does not match 8240 * our expected public key, then this is a different package and 8241 * we should skip. 8242 */ 8243 8244 final byte[] expectedPublicKey; 8245 try { 8246 final Signature verifierSig = pkg.mSignatures[0]; 8247 final PublicKey publicKey = verifierSig.getPublicKey(); 8248 expectedPublicKey = publicKey.getEncoded(); 8249 } catch (CertificateException e) { 8250 return -1; 8251 } 8252 8253 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8254 8255 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8256 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8257 + " does not have the expected public key; ignoring"); 8258 return -1; 8259 } 8260 8261 return pkg.applicationInfo.uid; 8262 } 8263 } 8264 8265 @Override 8266 public void finishPackageInstall(int token) { 8267 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8268 8269 if (DEBUG_INSTALL) { 8270 Slog.v(TAG, "BM finishing package install for " + token); 8271 } 8272 8273 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8274 mHandler.sendMessage(msg); 8275 } 8276 8277 /** 8278 * Get the verification agent timeout. 8279 * 8280 * @return verification timeout in milliseconds 8281 */ 8282 private long getVerificationTimeout() { 8283 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8284 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8285 DEFAULT_VERIFICATION_TIMEOUT); 8286 } 8287 8288 /** 8289 * Get the default verification agent response code. 8290 * 8291 * @return default verification response code 8292 */ 8293 private int getDefaultVerificationResponse() { 8294 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8295 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8296 DEFAULT_VERIFICATION_RESPONSE); 8297 } 8298 8299 /** 8300 * Check whether or not package verification has been enabled. 8301 * 8302 * @return true if verification should be performed 8303 */ 8304 private boolean isVerificationEnabled(int userId, int installFlags) { 8305 if (!DEFAULT_VERIFY_ENABLE) { 8306 return false; 8307 } 8308 8309 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8310 8311 // Check if installing from ADB 8312 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8313 // Do not run verification in a test harness environment 8314 if (ActivityManager.isRunningInTestHarness()) { 8315 return false; 8316 } 8317 if (ensureVerifyAppsEnabled) { 8318 return true; 8319 } 8320 // Check if the developer does not want package verification for ADB installs 8321 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8322 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8323 return false; 8324 } 8325 } 8326 8327 if (ensureVerifyAppsEnabled) { 8328 return true; 8329 } 8330 8331 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8332 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8333 } 8334 8335 /** 8336 * Get the "allow unknown sources" setting. 8337 * 8338 * @return the current "allow unknown sources" setting 8339 */ 8340 private int getUnknownSourcesSettings() { 8341 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8342 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8343 -1); 8344 } 8345 8346 @Override 8347 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8348 final int uid = Binder.getCallingUid(); 8349 // writer 8350 synchronized (mPackages) { 8351 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8352 if (targetPackageSetting == null) { 8353 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8354 } 8355 8356 PackageSetting installerPackageSetting; 8357 if (installerPackageName != null) { 8358 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8359 if (installerPackageSetting == null) { 8360 throw new IllegalArgumentException("Unknown installer package: " 8361 + installerPackageName); 8362 } 8363 } else { 8364 installerPackageSetting = null; 8365 } 8366 8367 Signature[] callerSignature; 8368 Object obj = mSettings.getUserIdLPr(uid); 8369 if (obj != null) { 8370 if (obj instanceof SharedUserSetting) { 8371 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8372 } else if (obj instanceof PackageSetting) { 8373 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8374 } else { 8375 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8376 } 8377 } else { 8378 throw new SecurityException("Unknown calling uid " + uid); 8379 } 8380 8381 // Verify: can't set installerPackageName to a package that is 8382 // not signed with the same cert as the caller. 8383 if (installerPackageSetting != null) { 8384 if (compareSignatures(callerSignature, 8385 installerPackageSetting.signatures.mSignatures) 8386 != PackageManager.SIGNATURE_MATCH) { 8387 throw new SecurityException( 8388 "Caller does not have same cert as new installer package " 8389 + installerPackageName); 8390 } 8391 } 8392 8393 // Verify: if target already has an installer package, it must 8394 // be signed with the same cert as the caller. 8395 if (targetPackageSetting.installerPackageName != null) { 8396 PackageSetting setting = mSettings.mPackages.get( 8397 targetPackageSetting.installerPackageName); 8398 // If the currently set package isn't valid, then it's always 8399 // okay to change it. 8400 if (setting != null) { 8401 if (compareSignatures(callerSignature, 8402 setting.signatures.mSignatures) 8403 != PackageManager.SIGNATURE_MATCH) { 8404 throw new SecurityException( 8405 "Caller does not have same cert as old installer package " 8406 + targetPackageSetting.installerPackageName); 8407 } 8408 } 8409 } 8410 8411 // Okay! 8412 targetPackageSetting.installerPackageName = installerPackageName; 8413 scheduleWriteSettingsLocked(); 8414 } 8415 } 8416 8417 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8418 // Queue up an async operation since the package installation may take a little while. 8419 mHandler.post(new Runnable() { 8420 public void run() { 8421 mHandler.removeCallbacks(this); 8422 // Result object to be returned 8423 PackageInstalledInfo res = new PackageInstalledInfo(); 8424 res.returnCode = currentStatus; 8425 res.uid = -1; 8426 res.pkg = null; 8427 res.removedInfo = new PackageRemovedInfo(); 8428 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8429 args.doPreInstall(res.returnCode); 8430 synchronized (mInstallLock) { 8431 installPackageLI(args, res); 8432 } 8433 args.doPostInstall(res.returnCode, res.uid); 8434 } 8435 8436 // A restore should be performed at this point if (a) the install 8437 // succeeded, (b) the operation is not an update, and (c) the new 8438 // package has not opted out of backup participation. 8439 final boolean update = res.removedInfo.removedPackage != null; 8440 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8441 boolean doRestore = !update 8442 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8443 8444 // Set up the post-install work request bookkeeping. This will be used 8445 // and cleaned up by the post-install event handling regardless of whether 8446 // there's a restore pass performed. Token values are >= 1. 8447 int token; 8448 if (mNextInstallToken < 0) mNextInstallToken = 1; 8449 token = mNextInstallToken++; 8450 8451 PostInstallData data = new PostInstallData(args, res); 8452 mRunningInstalls.put(token, data); 8453 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8454 8455 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8456 // Pass responsibility to the Backup Manager. It will perform a 8457 // restore if appropriate, then pass responsibility back to the 8458 // Package Manager to run the post-install observer callbacks 8459 // and broadcasts. 8460 IBackupManager bm = IBackupManager.Stub.asInterface( 8461 ServiceManager.getService(Context.BACKUP_SERVICE)); 8462 if (bm != null) { 8463 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8464 + " to BM for possible restore"); 8465 try { 8466 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8467 } catch (RemoteException e) { 8468 // can't happen; the backup manager is local 8469 } catch (Exception e) { 8470 Slog.e(TAG, "Exception trying to enqueue restore", e); 8471 doRestore = false; 8472 } 8473 } else { 8474 Slog.e(TAG, "Backup Manager not found!"); 8475 doRestore = false; 8476 } 8477 } 8478 8479 if (!doRestore) { 8480 // No restore possible, or the Backup Manager was mysteriously not 8481 // available -- just fire the post-install work request directly. 8482 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8483 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8484 mHandler.sendMessage(msg); 8485 } 8486 } 8487 }); 8488 } 8489 8490 private abstract class HandlerParams { 8491 private static final int MAX_RETRIES = 4; 8492 8493 /** 8494 * Number of times startCopy() has been attempted and had a non-fatal 8495 * error. 8496 */ 8497 private int mRetries = 0; 8498 8499 /** User handle for the user requesting the information or installation. */ 8500 private final UserHandle mUser; 8501 8502 HandlerParams(UserHandle user) { 8503 mUser = user; 8504 } 8505 8506 UserHandle getUser() { 8507 return mUser; 8508 } 8509 8510 final boolean startCopy() { 8511 boolean res; 8512 try { 8513 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8514 8515 if (++mRetries > MAX_RETRIES) { 8516 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8517 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8518 handleServiceError(); 8519 return false; 8520 } else { 8521 handleStartCopy(); 8522 res = true; 8523 } 8524 } catch (RemoteException e) { 8525 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8526 mHandler.sendEmptyMessage(MCS_RECONNECT); 8527 res = false; 8528 } 8529 handleReturnCode(); 8530 return res; 8531 } 8532 8533 final void serviceError() { 8534 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8535 handleServiceError(); 8536 handleReturnCode(); 8537 } 8538 8539 abstract void handleStartCopy() throws RemoteException; 8540 abstract void handleServiceError(); 8541 abstract void handleReturnCode(); 8542 } 8543 8544 class MeasureParams extends HandlerParams { 8545 private final PackageStats mStats; 8546 private boolean mSuccess; 8547 8548 private final IPackageStatsObserver mObserver; 8549 8550 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8551 super(new UserHandle(stats.userHandle)); 8552 mObserver = observer; 8553 mStats = stats; 8554 } 8555 8556 @Override 8557 public String toString() { 8558 return "MeasureParams{" 8559 + Integer.toHexString(System.identityHashCode(this)) 8560 + " " + mStats.packageName + "}"; 8561 } 8562 8563 @Override 8564 void handleStartCopy() throws RemoteException { 8565 synchronized (mInstallLock) { 8566 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8567 } 8568 8569 if (mSuccess) { 8570 final boolean mounted; 8571 if (Environment.isExternalStorageEmulated()) { 8572 mounted = true; 8573 } else { 8574 final String status = Environment.getExternalStorageState(); 8575 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8576 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8577 } 8578 8579 if (mounted) { 8580 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8581 8582 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8583 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8584 8585 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8586 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8587 8588 // Always subtract cache size, since it's a subdirectory 8589 mStats.externalDataSize -= mStats.externalCacheSize; 8590 8591 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8592 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8593 8594 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8595 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8596 } 8597 } 8598 } 8599 8600 @Override 8601 void handleReturnCode() { 8602 if (mObserver != null) { 8603 try { 8604 mObserver.onGetStatsCompleted(mStats, mSuccess); 8605 } catch (RemoteException e) { 8606 Slog.i(TAG, "Observer no longer exists."); 8607 } 8608 } 8609 } 8610 8611 @Override 8612 void handleServiceError() { 8613 Slog.e(TAG, "Could not measure application " + mStats.packageName 8614 + " external storage"); 8615 } 8616 } 8617 8618 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8619 throws RemoteException { 8620 long result = 0; 8621 for (File path : paths) { 8622 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8623 } 8624 return result; 8625 } 8626 8627 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8628 for (File path : paths) { 8629 try { 8630 mcs.clearDirectory(path.getAbsolutePath()); 8631 } catch (RemoteException e) { 8632 } 8633 } 8634 } 8635 8636 static class OriginInfo { 8637 /** 8638 * Location where install is coming from, before it has been 8639 * copied/renamed into place. This could be a single monolithic APK 8640 * file, or a cluster directory. This location may be untrusted. 8641 */ 8642 final File file; 8643 final String cid; 8644 8645 /** 8646 * Flag indicating that {@link #file} or {@link #cid} has already been 8647 * staged, meaning downstream users don't need to defensively copy the 8648 * contents. 8649 */ 8650 final boolean staged; 8651 8652 /** 8653 * Flag indicating that {@link #file} or {@link #cid} is an already 8654 * installed app that is being moved. 8655 */ 8656 final boolean existing; 8657 8658 final String resolvedPath; 8659 final File resolvedFile; 8660 8661 static OriginInfo fromNothing() { 8662 return new OriginInfo(null, null, false, false); 8663 } 8664 8665 static OriginInfo fromUntrustedFile(File file) { 8666 return new OriginInfo(file, null, false, false); 8667 } 8668 8669 static OriginInfo fromExistingFile(File file) { 8670 return new OriginInfo(file, null, false, true); 8671 } 8672 8673 static OriginInfo fromStagedFile(File file) { 8674 return new OriginInfo(file, null, true, false); 8675 } 8676 8677 static OriginInfo fromStagedContainer(String cid) { 8678 return new OriginInfo(null, cid, true, false); 8679 } 8680 8681 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8682 this.file = file; 8683 this.cid = cid; 8684 this.staged = staged; 8685 this.existing = existing; 8686 8687 if (cid != null) { 8688 resolvedPath = PackageHelper.getSdDir(cid); 8689 resolvedFile = new File(resolvedPath); 8690 } else if (file != null) { 8691 resolvedPath = file.getAbsolutePath(); 8692 resolvedFile = file; 8693 } else { 8694 resolvedPath = null; 8695 resolvedFile = null; 8696 } 8697 } 8698 } 8699 8700 class InstallParams extends HandlerParams { 8701 final OriginInfo origin; 8702 final IPackageInstallObserver2 observer; 8703 int installFlags; 8704 final String installerPackageName; 8705 final VerificationParams verificationParams; 8706 private InstallArgs mArgs; 8707 private int mRet; 8708 final String packageAbiOverride; 8709 8710 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8711 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8712 String packageAbiOverride) { 8713 super(user); 8714 this.origin = origin; 8715 this.observer = observer; 8716 this.installFlags = installFlags; 8717 this.installerPackageName = installerPackageName; 8718 this.verificationParams = verificationParams; 8719 this.packageAbiOverride = packageAbiOverride; 8720 } 8721 8722 @Override 8723 public String toString() { 8724 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8725 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8726 } 8727 8728 public ManifestDigest getManifestDigest() { 8729 if (verificationParams == null) { 8730 return null; 8731 } 8732 return verificationParams.getManifestDigest(); 8733 } 8734 8735 private int installLocationPolicy(PackageInfoLite pkgLite) { 8736 String packageName = pkgLite.packageName; 8737 int installLocation = pkgLite.installLocation; 8738 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8739 // reader 8740 synchronized (mPackages) { 8741 PackageParser.Package pkg = mPackages.get(packageName); 8742 if (pkg != null) { 8743 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8744 // Check for downgrading. 8745 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8746 if (pkgLite.versionCode < pkg.mVersionCode) { 8747 Slog.w(TAG, "Can't install update of " + packageName 8748 + " update version " + pkgLite.versionCode 8749 + " is older than installed version " 8750 + pkg.mVersionCode); 8751 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8752 } 8753 } 8754 // Check for updated system application. 8755 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8756 if (onSd) { 8757 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8758 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8759 } 8760 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8761 } else { 8762 if (onSd) { 8763 // Install flag overrides everything. 8764 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8765 } 8766 // If current upgrade specifies particular preference 8767 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8768 // Application explicitly specified internal. 8769 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8770 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8771 // App explictly prefers external. Let policy decide 8772 } else { 8773 // Prefer previous location 8774 if (isExternal(pkg)) { 8775 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8776 } 8777 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8778 } 8779 } 8780 } else { 8781 // Invalid install. Return error code 8782 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8783 } 8784 } 8785 } 8786 // All the special cases have been taken care of. 8787 // Return result based on recommended install location. 8788 if (onSd) { 8789 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8790 } 8791 return pkgLite.recommendedInstallLocation; 8792 } 8793 8794 /* 8795 * Invoke remote method to get package information and install 8796 * location values. Override install location based on default 8797 * policy if needed and then create install arguments based 8798 * on the install location. 8799 */ 8800 public void handleStartCopy() throws RemoteException { 8801 int ret = PackageManager.INSTALL_SUCCEEDED; 8802 8803 // If we're already staged, we've firmly committed to an install location 8804 if (origin.staged) { 8805 if (origin.file != null) { 8806 installFlags |= PackageManager.INSTALL_INTERNAL; 8807 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8808 } else if (origin.cid != null) { 8809 installFlags |= PackageManager.INSTALL_EXTERNAL; 8810 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8811 } else { 8812 throw new IllegalStateException("Invalid stage location"); 8813 } 8814 } 8815 8816 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8817 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8818 8819 PackageInfoLite pkgLite = null; 8820 8821 if (onInt && onSd) { 8822 // Check if both bits are set. 8823 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8824 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8825 } else { 8826 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8827 packageAbiOverride); 8828 8829 /* 8830 * If we have too little free space, try to free cache 8831 * before giving up. 8832 */ 8833 if (!origin.staged && pkgLite.recommendedInstallLocation 8834 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8835 // TODO: focus freeing disk space on the target device 8836 final StorageManager storage = StorageManager.from(mContext); 8837 final long lowThreshold = storage.getStorageLowBytes( 8838 Environment.getDataDirectory()); 8839 8840 final long sizeBytes = mContainerService.calculateInstalledSize( 8841 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8842 8843 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8844 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8845 installFlags, packageAbiOverride); 8846 } 8847 8848 /* 8849 * The cache free must have deleted the file we 8850 * downloaded to install. 8851 * 8852 * TODO: fix the "freeCache" call to not delete 8853 * the file we care about. 8854 */ 8855 if (pkgLite.recommendedInstallLocation 8856 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8857 pkgLite.recommendedInstallLocation 8858 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8859 } 8860 } 8861 } 8862 8863 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8864 int loc = pkgLite.recommendedInstallLocation; 8865 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8866 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8867 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8868 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8869 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8870 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8871 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8872 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8873 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8874 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8875 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8876 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8877 } else { 8878 // Override with defaults if needed. 8879 loc = installLocationPolicy(pkgLite); 8880 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8881 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8882 } else if (!onSd && !onInt) { 8883 // Override install location with flags 8884 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8885 // Set the flag to install on external media. 8886 installFlags |= PackageManager.INSTALL_EXTERNAL; 8887 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8888 } else { 8889 // Make sure the flag for installing on external 8890 // media is unset 8891 installFlags |= PackageManager.INSTALL_INTERNAL; 8892 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8893 } 8894 } 8895 } 8896 } 8897 8898 final InstallArgs args = createInstallArgs(this); 8899 mArgs = args; 8900 8901 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8902 /* 8903 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8904 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8905 */ 8906 int userIdentifier = getUser().getIdentifier(); 8907 if (userIdentifier == UserHandle.USER_ALL 8908 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8909 userIdentifier = UserHandle.USER_OWNER; 8910 } 8911 8912 /* 8913 * Determine if we have any installed package verifiers. If we 8914 * do, then we'll defer to them to verify the packages. 8915 */ 8916 final int requiredUid = mRequiredVerifierPackage == null ? -1 8917 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8918 if (!origin.existing && requiredUid != -1 8919 && isVerificationEnabled(userIdentifier, installFlags)) { 8920 final Intent verification = new Intent( 8921 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8922 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8923 PACKAGE_MIME_TYPE); 8924 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8925 8926 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8927 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8928 0 /* TODO: Which userId? */); 8929 8930 if (DEBUG_VERIFY) { 8931 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8932 + verification.toString() + " with " + pkgLite.verifiers.length 8933 + " optional verifiers"); 8934 } 8935 8936 final int verificationId = mPendingVerificationToken++; 8937 8938 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8939 8940 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8941 installerPackageName); 8942 8943 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8944 installFlags); 8945 8946 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8947 pkgLite.packageName); 8948 8949 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8950 pkgLite.versionCode); 8951 8952 if (verificationParams != null) { 8953 if (verificationParams.getVerificationURI() != null) { 8954 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8955 verificationParams.getVerificationURI()); 8956 } 8957 if (verificationParams.getOriginatingURI() != null) { 8958 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8959 verificationParams.getOriginatingURI()); 8960 } 8961 if (verificationParams.getReferrer() != null) { 8962 verification.putExtra(Intent.EXTRA_REFERRER, 8963 verificationParams.getReferrer()); 8964 } 8965 if (verificationParams.getOriginatingUid() >= 0) { 8966 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8967 verificationParams.getOriginatingUid()); 8968 } 8969 if (verificationParams.getInstallerUid() >= 0) { 8970 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8971 verificationParams.getInstallerUid()); 8972 } 8973 } 8974 8975 final PackageVerificationState verificationState = new PackageVerificationState( 8976 requiredUid, args); 8977 8978 mPendingVerification.append(verificationId, verificationState); 8979 8980 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8981 receivers, verificationState); 8982 8983 /* 8984 * If any sufficient verifiers were listed in the package 8985 * manifest, attempt to ask them. 8986 */ 8987 if (sufficientVerifiers != null) { 8988 final int N = sufficientVerifiers.size(); 8989 if (N == 0) { 8990 Slog.i(TAG, "Additional verifiers required, but none installed."); 8991 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8992 } else { 8993 for (int i = 0; i < N; i++) { 8994 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8995 8996 final Intent sufficientIntent = new Intent(verification); 8997 sufficientIntent.setComponent(verifierComponent); 8998 8999 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9000 } 9001 } 9002 } 9003 9004 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9005 mRequiredVerifierPackage, receivers); 9006 if (ret == PackageManager.INSTALL_SUCCEEDED 9007 && mRequiredVerifierPackage != null) { 9008 /* 9009 * Send the intent to the required verification agent, 9010 * but only start the verification timeout after the 9011 * target BroadcastReceivers have run. 9012 */ 9013 verification.setComponent(requiredVerifierComponent); 9014 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9015 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9016 new BroadcastReceiver() { 9017 @Override 9018 public void onReceive(Context context, Intent intent) { 9019 final Message msg = mHandler 9020 .obtainMessage(CHECK_PENDING_VERIFICATION); 9021 msg.arg1 = verificationId; 9022 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9023 } 9024 }, null, 0, null, null); 9025 9026 /* 9027 * We don't want the copy to proceed until verification 9028 * succeeds, so null out this field. 9029 */ 9030 mArgs = null; 9031 } 9032 } else { 9033 /* 9034 * No package verification is enabled, so immediately start 9035 * the remote call to initiate copy using temporary file. 9036 */ 9037 ret = args.copyApk(mContainerService, true); 9038 } 9039 } 9040 9041 mRet = ret; 9042 } 9043 9044 @Override 9045 void handleReturnCode() { 9046 // If mArgs is null, then MCS couldn't be reached. When it 9047 // reconnects, it will try again to install. At that point, this 9048 // will succeed. 9049 if (mArgs != null) { 9050 processPendingInstall(mArgs, mRet); 9051 } 9052 } 9053 9054 @Override 9055 void handleServiceError() { 9056 mArgs = createInstallArgs(this); 9057 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9058 } 9059 9060 public boolean isForwardLocked() { 9061 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9062 } 9063 } 9064 9065 /** 9066 * Used during creation of InstallArgs 9067 * 9068 * @param installFlags package installation flags 9069 * @return true if should be installed on external storage 9070 */ 9071 private static boolean installOnSd(int installFlags) { 9072 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9073 return false; 9074 } 9075 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9076 return true; 9077 } 9078 return false; 9079 } 9080 9081 /** 9082 * Used during creation of InstallArgs 9083 * 9084 * @param installFlags package installation flags 9085 * @return true if should be installed as forward locked 9086 */ 9087 private static boolean installForwardLocked(int installFlags) { 9088 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9089 } 9090 9091 private InstallArgs createInstallArgs(InstallParams params) { 9092 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9093 return new AsecInstallArgs(params); 9094 } else { 9095 return new FileInstallArgs(params); 9096 } 9097 } 9098 9099 /** 9100 * Create args that describe an existing installed package. Typically used 9101 * when cleaning up old installs, or used as a move source. 9102 */ 9103 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9104 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9105 final boolean isInAsec; 9106 if (installOnSd(installFlags)) { 9107 /* Apps on SD card are always in ASEC containers. */ 9108 isInAsec = true; 9109 } else if (installForwardLocked(installFlags) 9110 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9111 /* 9112 * Forward-locked apps are only in ASEC containers if they're the 9113 * new style 9114 */ 9115 isInAsec = true; 9116 } else { 9117 isInAsec = false; 9118 } 9119 9120 if (isInAsec) { 9121 return new AsecInstallArgs(codePath, instructionSets, 9122 installOnSd(installFlags), installForwardLocked(installFlags)); 9123 } else { 9124 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9125 instructionSets); 9126 } 9127 } 9128 9129 static abstract class InstallArgs { 9130 /** @see InstallParams#origin */ 9131 final OriginInfo origin; 9132 9133 final IPackageInstallObserver2 observer; 9134 // Always refers to PackageManager flags only 9135 final int installFlags; 9136 final String installerPackageName; 9137 final ManifestDigest manifestDigest; 9138 final UserHandle user; 9139 final String abiOverride; 9140 9141 // The list of instruction sets supported by this app. This is currently 9142 // only used during the rmdex() phase to clean up resources. We can get rid of this 9143 // if we move dex files under the common app path. 9144 /* nullable */ String[] instructionSets; 9145 9146 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9147 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9148 String[] instructionSets, String abiOverride) { 9149 this.origin = origin; 9150 this.installFlags = installFlags; 9151 this.observer = observer; 9152 this.installerPackageName = installerPackageName; 9153 this.manifestDigest = manifestDigest; 9154 this.user = user; 9155 this.instructionSets = instructionSets; 9156 this.abiOverride = abiOverride; 9157 } 9158 9159 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9160 abstract int doPreInstall(int status); 9161 9162 /** 9163 * Rename package into final resting place. All paths on the given 9164 * scanned package should be updated to reflect the rename. 9165 */ 9166 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9167 abstract int doPostInstall(int status, int uid); 9168 9169 /** @see PackageSettingBase#codePathString */ 9170 abstract String getCodePath(); 9171 /** @see PackageSettingBase#resourcePathString */ 9172 abstract String getResourcePath(); 9173 abstract String getLegacyNativeLibraryPath(); 9174 9175 // Need installer lock especially for dex file removal. 9176 abstract void cleanUpResourcesLI(); 9177 abstract boolean doPostDeleteLI(boolean delete); 9178 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9179 9180 /** 9181 * Called before the source arguments are copied. This is used mostly 9182 * for MoveParams when it needs to read the source file to put it in the 9183 * destination. 9184 */ 9185 int doPreCopy() { 9186 return PackageManager.INSTALL_SUCCEEDED; 9187 } 9188 9189 /** 9190 * Called after the source arguments are copied. This is used mostly for 9191 * MoveParams when it needs to read the source file to put it in the 9192 * destination. 9193 * 9194 * @return 9195 */ 9196 int doPostCopy(int uid) { 9197 return PackageManager.INSTALL_SUCCEEDED; 9198 } 9199 9200 protected boolean isFwdLocked() { 9201 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9202 } 9203 9204 protected boolean isExternal() { 9205 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9206 } 9207 9208 UserHandle getUser() { 9209 return user; 9210 } 9211 } 9212 9213 /** 9214 * Logic to handle installation of non-ASEC applications, including copying 9215 * and renaming logic. 9216 */ 9217 class FileInstallArgs extends InstallArgs { 9218 private File codeFile; 9219 private File resourceFile; 9220 private File legacyNativeLibraryPath; 9221 9222 // Example topology: 9223 // /data/app/com.example/base.apk 9224 // /data/app/com.example/split_foo.apk 9225 // /data/app/com.example/lib/arm/libfoo.so 9226 // /data/app/com.example/lib/arm64/libfoo.so 9227 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9228 9229 /** New install */ 9230 FileInstallArgs(InstallParams params) { 9231 super(params.origin, params.observer, params.installFlags, 9232 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9233 null /* instruction sets */, params.packageAbiOverride); 9234 if (isFwdLocked()) { 9235 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9236 } 9237 } 9238 9239 /** Existing install */ 9240 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9241 String[] instructionSets) { 9242 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9243 this.codeFile = (codePath != null) ? new File(codePath) : null; 9244 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9245 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9246 new File(legacyNativeLibraryPath) : null; 9247 } 9248 9249 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9250 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9251 isFwdLocked(), abiOverride); 9252 9253 final StorageManager storage = StorageManager.from(mContext); 9254 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9255 } 9256 9257 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9258 if (origin.staged) { 9259 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9260 codeFile = origin.file; 9261 resourceFile = origin.file; 9262 return PackageManager.INSTALL_SUCCEEDED; 9263 } 9264 9265 try { 9266 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9267 codeFile = tempDir; 9268 resourceFile = tempDir; 9269 } catch (IOException e) { 9270 Slog.w(TAG, "Failed to create copy file: " + e); 9271 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9272 } 9273 9274 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9275 @Override 9276 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9277 if (!FileUtils.isValidExtFilename(name)) { 9278 throw new IllegalArgumentException("Invalid filename: " + name); 9279 } 9280 try { 9281 final File file = new File(codeFile, name); 9282 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9283 O_RDWR | O_CREAT, 0644); 9284 Os.chmod(file.getAbsolutePath(), 0644); 9285 return new ParcelFileDescriptor(fd); 9286 } catch (ErrnoException e) { 9287 throw new RemoteException("Failed to open: " + e.getMessage()); 9288 } 9289 } 9290 }; 9291 9292 int ret = PackageManager.INSTALL_SUCCEEDED; 9293 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9294 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9295 Slog.e(TAG, "Failed to copy package"); 9296 return ret; 9297 } 9298 9299 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9300 NativeLibraryHelper.Handle handle = null; 9301 try { 9302 handle = NativeLibraryHelper.Handle.create(codeFile); 9303 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9304 abiOverride); 9305 } catch (IOException e) { 9306 Slog.e(TAG, "Copying native libraries failed", e); 9307 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9308 } finally { 9309 IoUtils.closeQuietly(handle); 9310 } 9311 9312 return ret; 9313 } 9314 9315 int doPreInstall(int status) { 9316 if (status != PackageManager.INSTALL_SUCCEEDED) { 9317 cleanUp(); 9318 } 9319 return status; 9320 } 9321 9322 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9323 if (status != PackageManager.INSTALL_SUCCEEDED) { 9324 cleanUp(); 9325 return false; 9326 } else { 9327 final File beforeCodeFile = codeFile; 9328 final File afterCodeFile = getNextCodePath(pkg.packageName); 9329 9330 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9331 try { 9332 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9333 } catch (ErrnoException e) { 9334 Slog.d(TAG, "Failed to rename", e); 9335 return false; 9336 } 9337 9338 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9339 Slog.d(TAG, "Failed to restorecon"); 9340 return false; 9341 } 9342 9343 // Reflect the rename internally 9344 codeFile = afterCodeFile; 9345 resourceFile = afterCodeFile; 9346 9347 // Reflect the rename in scanned details 9348 pkg.codePath = afterCodeFile.getAbsolutePath(); 9349 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9350 pkg.baseCodePath); 9351 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9352 pkg.splitCodePaths); 9353 9354 // Reflect the rename in app info 9355 pkg.applicationInfo.setCodePath(pkg.codePath); 9356 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9357 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9358 pkg.applicationInfo.setResourcePath(pkg.codePath); 9359 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9360 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9361 9362 return true; 9363 } 9364 } 9365 9366 int doPostInstall(int status, int uid) { 9367 if (status != PackageManager.INSTALL_SUCCEEDED) { 9368 cleanUp(); 9369 } 9370 return status; 9371 } 9372 9373 @Override 9374 String getCodePath() { 9375 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9376 } 9377 9378 @Override 9379 String getResourcePath() { 9380 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9381 } 9382 9383 @Override 9384 String getLegacyNativeLibraryPath() { 9385 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9386 } 9387 9388 private boolean cleanUp() { 9389 if (codeFile == null || !codeFile.exists()) { 9390 return false; 9391 } 9392 9393 if (codeFile.isDirectory()) { 9394 FileUtils.deleteContents(codeFile); 9395 } 9396 codeFile.delete(); 9397 9398 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9399 resourceFile.delete(); 9400 } 9401 9402 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9403 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9404 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9405 } 9406 legacyNativeLibraryPath.delete(); 9407 } 9408 9409 return true; 9410 } 9411 9412 void cleanUpResourcesLI() { 9413 // Try enumerating all code paths before deleting 9414 List<String> allCodePaths = Collections.EMPTY_LIST; 9415 if (codeFile != null && codeFile.exists()) { 9416 try { 9417 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9418 allCodePaths = pkg.getAllCodePaths(); 9419 } catch (PackageParserException e) { 9420 // Ignored; we tried our best 9421 } 9422 } 9423 9424 cleanUp(); 9425 9426 if (!allCodePaths.isEmpty()) { 9427 if (instructionSets == null) { 9428 throw new IllegalStateException("instructionSet == null"); 9429 } 9430 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9431 for (String codePath : allCodePaths) { 9432 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9433 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9434 if (retCode < 0) { 9435 Slog.w(TAG, "Couldn't remove dex file for package: " 9436 + " at location " + codePath + ", retcode=" + retCode); 9437 // we don't consider this to be a failure of the core package deletion 9438 } 9439 } 9440 } 9441 } 9442 } 9443 9444 boolean doPostDeleteLI(boolean delete) { 9445 // XXX err, shouldn't we respect the delete flag? 9446 cleanUpResourcesLI(); 9447 return true; 9448 } 9449 } 9450 9451 private boolean isAsecExternal(String cid) { 9452 final String asecPath = PackageHelper.getSdFilesystem(cid); 9453 return !asecPath.startsWith(mAsecInternalPath); 9454 } 9455 9456 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9457 PackageManagerException { 9458 if (copyRet < 0) { 9459 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9460 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9461 throw new PackageManagerException(copyRet, message); 9462 } 9463 } 9464 } 9465 9466 /** 9467 * Extract the MountService "container ID" from the full code path of an 9468 * .apk. 9469 */ 9470 static String cidFromCodePath(String fullCodePath) { 9471 int eidx = fullCodePath.lastIndexOf("/"); 9472 String subStr1 = fullCodePath.substring(0, eidx); 9473 int sidx = subStr1.lastIndexOf("/"); 9474 return subStr1.substring(sidx+1, eidx); 9475 } 9476 9477 /** 9478 * Logic to handle installation of ASEC applications, including copying and 9479 * renaming logic. 9480 */ 9481 class AsecInstallArgs extends InstallArgs { 9482 static final String RES_FILE_NAME = "pkg.apk"; 9483 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9484 9485 String cid; 9486 String packagePath; 9487 String resourcePath; 9488 String legacyNativeLibraryDir; 9489 9490 /** New install */ 9491 AsecInstallArgs(InstallParams params) { 9492 super(params.origin, params.observer, params.installFlags, 9493 params.installerPackageName, params.getManifestDigest(), 9494 params.getUser(), null /* instruction sets */, 9495 params.packageAbiOverride); 9496 } 9497 9498 /** Existing install */ 9499 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9500 boolean isExternal, boolean isForwardLocked) { 9501 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9502 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9503 instructionSets, null); 9504 // Hackily pretend we're still looking at a full code path 9505 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9506 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9507 } 9508 9509 // Extract cid from fullCodePath 9510 int eidx = fullCodePath.lastIndexOf("/"); 9511 String subStr1 = fullCodePath.substring(0, eidx); 9512 int sidx = subStr1.lastIndexOf("/"); 9513 cid = subStr1.substring(sidx+1, eidx); 9514 setMountPath(subStr1); 9515 } 9516 9517 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9518 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9519 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9520 instructionSets, null); 9521 this.cid = cid; 9522 setMountPath(PackageHelper.getSdDir(cid)); 9523 } 9524 9525 void createCopyFile() { 9526 cid = mInstallerService.allocateExternalStageCidLegacy(); 9527 } 9528 9529 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9530 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9531 abiOverride); 9532 9533 final File target; 9534 if (isExternal()) { 9535 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9536 } else { 9537 target = Environment.getDataDirectory(); 9538 } 9539 9540 final StorageManager storage = StorageManager.from(mContext); 9541 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9542 } 9543 9544 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9545 if (origin.staged) { 9546 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9547 cid = origin.cid; 9548 setMountPath(PackageHelper.getSdDir(cid)); 9549 return PackageManager.INSTALL_SUCCEEDED; 9550 } 9551 9552 if (temp) { 9553 createCopyFile(); 9554 } else { 9555 /* 9556 * Pre-emptively destroy the container since it's destroyed if 9557 * copying fails due to it existing anyway. 9558 */ 9559 PackageHelper.destroySdDir(cid); 9560 } 9561 9562 final String newMountPath = imcs.copyPackageToContainer( 9563 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9564 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9565 9566 if (newMountPath != null) { 9567 setMountPath(newMountPath); 9568 return PackageManager.INSTALL_SUCCEEDED; 9569 } else { 9570 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9571 } 9572 } 9573 9574 @Override 9575 String getCodePath() { 9576 return packagePath; 9577 } 9578 9579 @Override 9580 String getResourcePath() { 9581 return resourcePath; 9582 } 9583 9584 @Override 9585 String getLegacyNativeLibraryPath() { 9586 return legacyNativeLibraryDir; 9587 } 9588 9589 int doPreInstall(int status) { 9590 if (status != PackageManager.INSTALL_SUCCEEDED) { 9591 // Destroy container 9592 PackageHelper.destroySdDir(cid); 9593 } else { 9594 boolean mounted = PackageHelper.isContainerMounted(cid); 9595 if (!mounted) { 9596 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9597 Process.SYSTEM_UID); 9598 if (newMountPath != null) { 9599 setMountPath(newMountPath); 9600 } else { 9601 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9602 } 9603 } 9604 } 9605 return status; 9606 } 9607 9608 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9609 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9610 String newMountPath = null; 9611 if (PackageHelper.isContainerMounted(cid)) { 9612 // Unmount the container 9613 if (!PackageHelper.unMountSdDir(cid)) { 9614 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9615 return false; 9616 } 9617 } 9618 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9619 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9620 " which might be stale. Will try to clean up."); 9621 // Clean up the stale container and proceed to recreate. 9622 if (!PackageHelper.destroySdDir(newCacheId)) { 9623 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9624 return false; 9625 } 9626 // Successfully cleaned up stale container. Try to rename again. 9627 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9628 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9629 + " inspite of cleaning it up."); 9630 return false; 9631 } 9632 } 9633 if (!PackageHelper.isContainerMounted(newCacheId)) { 9634 Slog.w(TAG, "Mounting container " + newCacheId); 9635 newMountPath = PackageHelper.mountSdDir(newCacheId, 9636 getEncryptKey(), Process.SYSTEM_UID); 9637 } else { 9638 newMountPath = PackageHelper.getSdDir(newCacheId); 9639 } 9640 if (newMountPath == null) { 9641 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9642 return false; 9643 } 9644 Log.i(TAG, "Succesfully renamed " + cid + 9645 " to " + newCacheId + 9646 " at new path: " + newMountPath); 9647 cid = newCacheId; 9648 9649 final File beforeCodeFile = new File(packagePath); 9650 setMountPath(newMountPath); 9651 final File afterCodeFile = new File(packagePath); 9652 9653 // Reflect the rename in scanned details 9654 pkg.codePath = afterCodeFile.getAbsolutePath(); 9655 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9656 pkg.baseCodePath); 9657 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9658 pkg.splitCodePaths); 9659 9660 // Reflect the rename in app info 9661 pkg.applicationInfo.setCodePath(pkg.codePath); 9662 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9663 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9664 pkg.applicationInfo.setResourcePath(pkg.codePath); 9665 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9666 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9667 9668 return true; 9669 } 9670 9671 private void setMountPath(String mountPath) { 9672 final File mountFile = new File(mountPath); 9673 9674 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9675 if (monolithicFile.exists()) { 9676 packagePath = monolithicFile.getAbsolutePath(); 9677 if (isFwdLocked()) { 9678 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9679 } else { 9680 resourcePath = packagePath; 9681 } 9682 } else { 9683 packagePath = mountFile.getAbsolutePath(); 9684 resourcePath = packagePath; 9685 } 9686 9687 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9688 } 9689 9690 int doPostInstall(int status, int uid) { 9691 if (status != PackageManager.INSTALL_SUCCEEDED) { 9692 cleanUp(); 9693 } else { 9694 final int groupOwner; 9695 final String protectedFile; 9696 if (isFwdLocked()) { 9697 groupOwner = UserHandle.getSharedAppGid(uid); 9698 protectedFile = RES_FILE_NAME; 9699 } else { 9700 groupOwner = -1; 9701 protectedFile = null; 9702 } 9703 9704 if (uid < Process.FIRST_APPLICATION_UID 9705 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9706 Slog.e(TAG, "Failed to finalize " + cid); 9707 PackageHelper.destroySdDir(cid); 9708 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9709 } 9710 9711 boolean mounted = PackageHelper.isContainerMounted(cid); 9712 if (!mounted) { 9713 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9714 } 9715 } 9716 return status; 9717 } 9718 9719 private void cleanUp() { 9720 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9721 9722 // Destroy secure container 9723 PackageHelper.destroySdDir(cid); 9724 } 9725 9726 private List<String> getAllCodePaths() { 9727 final File codeFile = new File(getCodePath()); 9728 if (codeFile != null && codeFile.exists()) { 9729 try { 9730 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9731 return pkg.getAllCodePaths(); 9732 } catch (PackageParserException e) { 9733 // Ignored; we tried our best 9734 } 9735 } 9736 return Collections.EMPTY_LIST; 9737 } 9738 9739 void cleanUpResourcesLI() { 9740 // Enumerate all code paths before deleting 9741 cleanUpResourcesLI(getAllCodePaths()); 9742 } 9743 9744 private void cleanUpResourcesLI(List<String> allCodePaths) { 9745 cleanUp(); 9746 9747 if (!allCodePaths.isEmpty()) { 9748 if (instructionSets == null) { 9749 throw new IllegalStateException("instructionSet == null"); 9750 } 9751 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9752 for (String codePath : allCodePaths) { 9753 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9754 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9755 if (retCode < 0) { 9756 Slog.w(TAG, "Couldn't remove dex file for package: " 9757 + " at location " + codePath + ", retcode=" + retCode); 9758 // we don't consider this to be a failure of the core package deletion 9759 } 9760 } 9761 } 9762 } 9763 } 9764 9765 boolean matchContainer(String app) { 9766 if (cid.startsWith(app)) { 9767 return true; 9768 } 9769 return false; 9770 } 9771 9772 String getPackageName() { 9773 return getAsecPackageName(cid); 9774 } 9775 9776 boolean doPostDeleteLI(boolean delete) { 9777 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9778 final List<String> allCodePaths = getAllCodePaths(); 9779 boolean mounted = PackageHelper.isContainerMounted(cid); 9780 if (mounted) { 9781 // Unmount first 9782 if (PackageHelper.unMountSdDir(cid)) { 9783 mounted = false; 9784 } 9785 } 9786 if (!mounted && delete) { 9787 cleanUpResourcesLI(allCodePaths); 9788 } 9789 return !mounted; 9790 } 9791 9792 @Override 9793 int doPreCopy() { 9794 if (isFwdLocked()) { 9795 if (!PackageHelper.fixSdPermissions(cid, 9796 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9797 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9798 } 9799 } 9800 9801 return PackageManager.INSTALL_SUCCEEDED; 9802 } 9803 9804 @Override 9805 int doPostCopy(int uid) { 9806 if (isFwdLocked()) { 9807 if (uid < Process.FIRST_APPLICATION_UID 9808 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9809 RES_FILE_NAME)) { 9810 Slog.e(TAG, "Failed to finalize " + cid); 9811 PackageHelper.destroySdDir(cid); 9812 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9813 } 9814 } 9815 9816 return PackageManager.INSTALL_SUCCEEDED; 9817 } 9818 } 9819 9820 static String getAsecPackageName(String packageCid) { 9821 int idx = packageCid.lastIndexOf("-"); 9822 if (idx == -1) { 9823 return packageCid; 9824 } 9825 return packageCid.substring(0, idx); 9826 } 9827 9828 // Utility method used to create code paths based on package name and available index. 9829 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9830 String idxStr = ""; 9831 int idx = 1; 9832 // Fall back to default value of idx=1 if prefix is not 9833 // part of oldCodePath 9834 if (oldCodePath != null) { 9835 String subStr = oldCodePath; 9836 // Drop the suffix right away 9837 if (suffix != null && subStr.endsWith(suffix)) { 9838 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9839 } 9840 // If oldCodePath already contains prefix find out the 9841 // ending index to either increment or decrement. 9842 int sidx = subStr.lastIndexOf(prefix); 9843 if (sidx != -1) { 9844 subStr = subStr.substring(sidx + prefix.length()); 9845 if (subStr != null) { 9846 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9847 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9848 } 9849 try { 9850 idx = Integer.parseInt(subStr); 9851 if (idx <= 1) { 9852 idx++; 9853 } else { 9854 idx--; 9855 } 9856 } catch(NumberFormatException e) { 9857 } 9858 } 9859 } 9860 } 9861 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9862 return prefix + idxStr; 9863 } 9864 9865 private File getNextCodePath(String packageName) { 9866 int suffix = 1; 9867 File result; 9868 do { 9869 result = new File(mAppInstallDir, packageName + "-" + suffix); 9870 suffix++; 9871 } while (result.exists()); 9872 return result; 9873 } 9874 9875 // Utility method used to ignore ADD/REMOVE events 9876 // by directory observer. 9877 private static boolean ignoreCodePath(String fullPathStr) { 9878 String apkName = deriveCodePathName(fullPathStr); 9879 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9880 if (idx != -1 && ((idx+1) < apkName.length())) { 9881 // Make sure the package ends with a numeral 9882 String version = apkName.substring(idx+1); 9883 try { 9884 Integer.parseInt(version); 9885 return true; 9886 } catch (NumberFormatException e) {} 9887 } 9888 return false; 9889 } 9890 9891 // Utility method that returns the relative package path with respect 9892 // to the installation directory. Like say for /data/data/com.test-1.apk 9893 // string com.test-1 is returned. 9894 static String deriveCodePathName(String codePath) { 9895 if (codePath == null) { 9896 return null; 9897 } 9898 final File codeFile = new File(codePath); 9899 final String name = codeFile.getName(); 9900 if (codeFile.isDirectory()) { 9901 return name; 9902 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9903 final int lastDot = name.lastIndexOf('.'); 9904 return name.substring(0, lastDot); 9905 } else { 9906 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9907 return null; 9908 } 9909 } 9910 9911 class PackageInstalledInfo { 9912 String name; 9913 int uid; 9914 // The set of users that originally had this package installed. 9915 int[] origUsers; 9916 // The set of users that now have this package installed. 9917 int[] newUsers; 9918 PackageParser.Package pkg; 9919 int returnCode; 9920 String returnMsg; 9921 PackageRemovedInfo removedInfo; 9922 9923 public void setError(int code, String msg) { 9924 returnCode = code; 9925 returnMsg = msg; 9926 Slog.w(TAG, msg); 9927 } 9928 9929 public void setError(String msg, PackageParserException e) { 9930 returnCode = e.error; 9931 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9932 Slog.w(TAG, msg, e); 9933 } 9934 9935 public void setError(String msg, PackageManagerException e) { 9936 returnCode = e.error; 9937 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9938 Slog.w(TAG, msg, e); 9939 } 9940 9941 // In some error cases we want to convey more info back to the observer 9942 String origPackage; 9943 String origPermission; 9944 } 9945 9946 /* 9947 * Install a non-existing package. 9948 */ 9949 private void installNewPackageLI(PackageParser.Package pkg, 9950 int parseFlags, int scanFlags, UserHandle user, 9951 String installerPackageName, PackageInstalledInfo res) { 9952 // Remember this for later, in case we need to rollback this install 9953 String pkgName = pkg.packageName; 9954 9955 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9956 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9957 synchronized(mPackages) { 9958 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9959 // A package with the same name is already installed, though 9960 // it has been renamed to an older name. The package we 9961 // are trying to install should be installed as an update to 9962 // the existing one, but that has not been requested, so bail. 9963 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9964 + " without first uninstalling package running as " 9965 + mSettings.mRenamedPackages.get(pkgName)); 9966 return; 9967 } 9968 if (mPackages.containsKey(pkgName)) { 9969 // Don't allow installation over an existing package with the same name. 9970 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9971 + " without first uninstalling."); 9972 return; 9973 } 9974 } 9975 9976 try { 9977 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9978 System.currentTimeMillis(), user); 9979 9980 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9981 // delete the partially installed application. the data directory will have to be 9982 // restored if it was already existing 9983 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9984 // remove package from internal structures. Note that we want deletePackageX to 9985 // delete the package data and cache directories that it created in 9986 // scanPackageLocked, unless those directories existed before we even tried to 9987 // install. 9988 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9989 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9990 res.removedInfo, true); 9991 } 9992 9993 } catch (PackageManagerException e) { 9994 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9995 } 9996 } 9997 9998 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9999 // Upgrade keysets are being used. Determine if new package has a superset of the 10000 // required keys. 10001 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10002 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10003 for (int i = 0; i < upgradeKeySets.length; i++) { 10004 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10005 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10006 return true; 10007 } 10008 } 10009 return false; 10010 } 10011 10012 private void replacePackageLI(PackageParser.Package pkg, 10013 int parseFlags, int scanFlags, UserHandle user, 10014 String installerPackageName, PackageInstalledInfo res) { 10015 PackageParser.Package oldPackage; 10016 String pkgName = pkg.packageName; 10017 int[] allUsers; 10018 boolean[] perUserInstalled; 10019 10020 // First find the old package info and check signatures 10021 synchronized(mPackages) { 10022 oldPackage = mPackages.get(pkgName); 10023 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10024 PackageSetting ps = mSettings.mPackages.get(pkgName); 10025 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10026 // default to original signature matching 10027 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10028 != PackageManager.SIGNATURE_MATCH) { 10029 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10030 "New package has a different signature: " + pkgName); 10031 return; 10032 } 10033 } else { 10034 if(!checkUpgradeKeySetLP(ps, pkg)) { 10035 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10036 "New package not signed by keys specified by upgrade-keysets: " 10037 + pkgName); 10038 return; 10039 } 10040 } 10041 10042 // In case of rollback, remember per-user/profile install state 10043 allUsers = sUserManager.getUserIds(); 10044 perUserInstalled = new boolean[allUsers.length]; 10045 for (int i = 0; i < allUsers.length; i++) { 10046 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10047 } 10048 } 10049 10050 boolean sysPkg = (isSystemApp(oldPackage)); 10051 if (sysPkg) { 10052 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10053 user, allUsers, perUserInstalled, installerPackageName, res); 10054 } else { 10055 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10056 user, allUsers, perUserInstalled, installerPackageName, res); 10057 } 10058 } 10059 10060 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10061 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10062 int[] allUsers, boolean[] perUserInstalled, 10063 String installerPackageName, PackageInstalledInfo res) { 10064 String pkgName = deletedPackage.packageName; 10065 boolean deletedPkg = true; 10066 boolean updatedSettings = false; 10067 10068 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10069 + deletedPackage); 10070 long origUpdateTime; 10071 if (pkg.mExtras != null) { 10072 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10073 } else { 10074 origUpdateTime = 0; 10075 } 10076 10077 // First delete the existing package while retaining the data directory 10078 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10079 res.removedInfo, true)) { 10080 // If the existing package wasn't successfully deleted 10081 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10082 deletedPkg = false; 10083 } else { 10084 // Successfully deleted the old package; proceed with replace. 10085 10086 // If deleted package lived in a container, give users a chance to 10087 // relinquish resources before killing. 10088 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10089 if (DEBUG_INSTALL) { 10090 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10091 } 10092 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10093 final ArrayList<String> pkgList = new ArrayList<String>(1); 10094 pkgList.add(deletedPackage.applicationInfo.packageName); 10095 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10096 } 10097 10098 deleteCodeCacheDirsLI(pkgName); 10099 try { 10100 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10101 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10102 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10103 updatedSettings = true; 10104 } catch (PackageManagerException e) { 10105 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10106 } 10107 } 10108 10109 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10110 // remove package from internal structures. Note that we want deletePackageX to 10111 // delete the package data and cache directories that it created in 10112 // scanPackageLocked, unless those directories existed before we even tried to 10113 // install. 10114 if(updatedSettings) { 10115 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10116 deletePackageLI( 10117 pkgName, null, true, allUsers, perUserInstalled, 10118 PackageManager.DELETE_KEEP_DATA, 10119 res.removedInfo, true); 10120 } 10121 // Since we failed to install the new package we need to restore the old 10122 // package that we deleted. 10123 if (deletedPkg) { 10124 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10125 File restoreFile = new File(deletedPackage.codePath); 10126 // Parse old package 10127 boolean oldOnSd = isExternal(deletedPackage); 10128 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10129 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10130 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10131 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10132 try { 10133 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10134 } catch (PackageManagerException e) { 10135 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10136 + e.getMessage()); 10137 return; 10138 } 10139 // Restore of old package succeeded. Update permissions. 10140 // writer 10141 synchronized (mPackages) { 10142 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10143 UPDATE_PERMISSIONS_ALL); 10144 // can downgrade to reader 10145 mSettings.writeLPr(); 10146 } 10147 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10148 } 10149 } 10150 } 10151 10152 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10153 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10154 int[] allUsers, boolean[] perUserInstalled, 10155 String installerPackageName, PackageInstalledInfo res) { 10156 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10157 + ", old=" + deletedPackage); 10158 boolean disabledSystem = false; 10159 boolean updatedSettings = false; 10160 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10161 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10162 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10163 } 10164 String packageName = deletedPackage.packageName; 10165 if (packageName == null) { 10166 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10167 "Attempt to delete null packageName."); 10168 return; 10169 } 10170 PackageParser.Package oldPkg; 10171 PackageSetting oldPkgSetting; 10172 // reader 10173 synchronized (mPackages) { 10174 oldPkg = mPackages.get(packageName); 10175 oldPkgSetting = mSettings.mPackages.get(packageName); 10176 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10177 (oldPkgSetting == null)) { 10178 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10179 "Couldn't find package:" + packageName + " information"); 10180 return; 10181 } 10182 } 10183 10184 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10185 10186 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10187 res.removedInfo.removedPackage = packageName; 10188 // Remove existing system package 10189 removePackageLI(oldPkgSetting, true); 10190 // writer 10191 synchronized (mPackages) { 10192 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10193 if (!disabledSystem && deletedPackage != null) { 10194 // We didn't need to disable the .apk as a current system package, 10195 // which means we are replacing another update that is already 10196 // installed. We need to make sure to delete the older one's .apk. 10197 res.removedInfo.args = createInstallArgsForExisting(0, 10198 deletedPackage.applicationInfo.getCodePath(), 10199 deletedPackage.applicationInfo.getResourcePath(), 10200 deletedPackage.applicationInfo.nativeLibraryRootDir, 10201 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10202 } else { 10203 res.removedInfo.args = null; 10204 } 10205 } 10206 10207 // Successfully disabled the old package. Now proceed with re-installation 10208 deleteCodeCacheDirsLI(packageName); 10209 10210 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10211 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10212 10213 PackageParser.Package newPackage = null; 10214 try { 10215 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10216 if (newPackage.mExtras != null) { 10217 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10218 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10219 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10220 10221 // is the update attempting to change shared user? that isn't going to work... 10222 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10223 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10224 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10225 + " to " + newPkgSetting.sharedUser); 10226 updatedSettings = true; 10227 } 10228 } 10229 10230 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10231 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10232 updatedSettings = true; 10233 } 10234 10235 } catch (PackageManagerException e) { 10236 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10237 } 10238 10239 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10240 // Re installation failed. Restore old information 10241 // Remove new pkg information 10242 if (newPackage != null) { 10243 removeInstalledPackageLI(newPackage, true); 10244 } 10245 // Add back the old system package 10246 try { 10247 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10248 } catch (PackageManagerException e) { 10249 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10250 } 10251 // Restore the old system information in Settings 10252 synchronized (mPackages) { 10253 if (disabledSystem) { 10254 mSettings.enableSystemPackageLPw(packageName); 10255 } 10256 if (updatedSettings) { 10257 mSettings.setInstallerPackageName(packageName, 10258 oldPkgSetting.installerPackageName); 10259 } 10260 mSettings.writeLPr(); 10261 } 10262 } 10263 } 10264 10265 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10266 int[] allUsers, boolean[] perUserInstalled, 10267 PackageInstalledInfo res) { 10268 String pkgName = newPackage.packageName; 10269 synchronized (mPackages) { 10270 //write settings. the installStatus will be incomplete at this stage. 10271 //note that the new package setting would have already been 10272 //added to mPackages. It hasn't been persisted yet. 10273 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10274 mSettings.writeLPr(); 10275 } 10276 10277 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10278 10279 synchronized (mPackages) { 10280 updatePermissionsLPw(newPackage.packageName, newPackage, 10281 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10282 ? UPDATE_PERMISSIONS_ALL : 0)); 10283 // For system-bundled packages, we assume that installing an upgraded version 10284 // of the package implies that the user actually wants to run that new code, 10285 // so we enable the package. 10286 if (isSystemApp(newPackage)) { 10287 // NB: implicit assumption that system package upgrades apply to all users 10288 if (DEBUG_INSTALL) { 10289 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10290 } 10291 PackageSetting ps = mSettings.mPackages.get(pkgName); 10292 if (ps != null) { 10293 if (res.origUsers != null) { 10294 for (int userHandle : res.origUsers) { 10295 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10296 userHandle, installerPackageName); 10297 } 10298 } 10299 // Also convey the prior install/uninstall state 10300 if (allUsers != null && perUserInstalled != null) { 10301 for (int i = 0; i < allUsers.length; i++) { 10302 if (DEBUG_INSTALL) { 10303 Slog.d(TAG, " user " + allUsers[i] 10304 + " => " + perUserInstalled[i]); 10305 } 10306 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10307 } 10308 // these install state changes will be persisted in the 10309 // upcoming call to mSettings.writeLPr(). 10310 } 10311 } 10312 } 10313 res.name = pkgName; 10314 res.uid = newPackage.applicationInfo.uid; 10315 res.pkg = newPackage; 10316 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10317 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10318 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10319 //to update install status 10320 mSettings.writeLPr(); 10321 } 10322 } 10323 10324 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10325 final int installFlags = args.installFlags; 10326 String installerPackageName = args.installerPackageName; 10327 File tmpPackageFile = new File(args.getCodePath()); 10328 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10329 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10330 boolean replace = false; 10331 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10332 // Result object to be returned 10333 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10334 10335 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10336 // Retrieve PackageSettings and parse package 10337 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10338 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10339 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10340 PackageParser pp = new PackageParser(); 10341 pp.setSeparateProcesses(mSeparateProcesses); 10342 pp.setDisplayMetrics(mMetrics); 10343 10344 final PackageParser.Package pkg; 10345 try { 10346 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10347 } catch (PackageParserException e) { 10348 res.setError("Failed parse during installPackageLI", e); 10349 return; 10350 } 10351 10352 // Mark that we have an install time CPU ABI override. 10353 pkg.cpuAbiOverride = args.abiOverride; 10354 10355 String pkgName = res.name = pkg.packageName; 10356 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10357 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10358 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10359 return; 10360 } 10361 } 10362 10363 try { 10364 pp.collectCertificates(pkg, parseFlags); 10365 pp.collectManifestDigest(pkg); 10366 } catch (PackageParserException e) { 10367 res.setError("Failed collect during installPackageLI", e); 10368 return; 10369 } 10370 10371 /* If the installer passed in a manifest digest, compare it now. */ 10372 if (args.manifestDigest != null) { 10373 if (DEBUG_INSTALL) { 10374 final String parsedManifest = pkg.manifestDigest == null ? "null" 10375 : pkg.manifestDigest.toString(); 10376 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10377 + parsedManifest); 10378 } 10379 10380 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10381 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10382 return; 10383 } 10384 } else if (DEBUG_INSTALL) { 10385 final String parsedManifest = pkg.manifestDigest == null 10386 ? "null" : pkg.manifestDigest.toString(); 10387 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10388 } 10389 10390 // Get rid of all references to package scan path via parser. 10391 pp = null; 10392 String oldCodePath = null; 10393 boolean systemApp = false; 10394 synchronized (mPackages) { 10395 // Check whether the newly-scanned package wants to define an already-defined perm 10396 int N = pkg.permissions.size(); 10397 for (int i = N-1; i >= 0; i--) { 10398 PackageParser.Permission perm = pkg.permissions.get(i); 10399 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10400 if (bp != null) { 10401 // If the defining package is signed with our cert, it's okay. This 10402 // also includes the "updating the same package" case, of course. 10403 // "updating same package" could also involve key-rotation. 10404 final boolean sigsOk; 10405 if (!bp.sourcePackage.equals(pkg.packageName) 10406 || !(bp.packageSetting instanceof PackageSetting) 10407 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10408 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10409 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10410 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10411 } else { 10412 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10413 } 10414 if (!sigsOk) { 10415 // If the owning package is the system itself, we log but allow 10416 // install to proceed; we fail the install on all other permission 10417 // redefinitions. 10418 if (!bp.sourcePackage.equals("android")) { 10419 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10420 + pkg.packageName + " attempting to redeclare permission " 10421 + perm.info.name + " already owned by " + bp.sourcePackage); 10422 res.origPermission = perm.info.name; 10423 res.origPackage = bp.sourcePackage; 10424 return; 10425 } else { 10426 Slog.w(TAG, "Package " + pkg.packageName 10427 + " attempting to redeclare system permission " 10428 + perm.info.name + "; ignoring new declaration"); 10429 pkg.permissions.remove(i); 10430 } 10431 } 10432 } 10433 } 10434 10435 // Check if installing already existing package 10436 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10437 String oldName = mSettings.mRenamedPackages.get(pkgName); 10438 if (pkg.mOriginalPackages != null 10439 && pkg.mOriginalPackages.contains(oldName) 10440 && mPackages.containsKey(oldName)) { 10441 // This package is derived from an original package, 10442 // and this device has been updating from that original 10443 // name. We must continue using the original name, so 10444 // rename the new package here. 10445 pkg.setPackageName(oldName); 10446 pkgName = pkg.packageName; 10447 replace = true; 10448 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10449 + oldName + " pkgName=" + pkgName); 10450 } else if (mPackages.containsKey(pkgName)) { 10451 // This package, under its official name, already exists 10452 // on the device; we should replace it. 10453 replace = true; 10454 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10455 } 10456 } 10457 PackageSetting ps = mSettings.mPackages.get(pkgName); 10458 if (ps != null) { 10459 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10460 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10461 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10462 systemApp = (ps.pkg.applicationInfo.flags & 10463 ApplicationInfo.FLAG_SYSTEM) != 0; 10464 } 10465 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10466 } 10467 } 10468 10469 if (systemApp && onSd) { 10470 // Disable updates to system apps on sdcard 10471 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10472 "Cannot install updates to system apps on sdcard"); 10473 return; 10474 } 10475 10476 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10477 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10478 return; 10479 } 10480 10481 if (replace) { 10482 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10483 installerPackageName, res); 10484 } else { 10485 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10486 args.user, installerPackageName, res); 10487 } 10488 synchronized (mPackages) { 10489 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10490 if (ps != null) { 10491 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10492 } 10493 } 10494 } 10495 10496 private static boolean isForwardLocked(PackageParser.Package pkg) { 10497 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10498 } 10499 10500 private static boolean isForwardLocked(ApplicationInfo info) { 10501 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10502 } 10503 10504 private boolean isForwardLocked(PackageSetting ps) { 10505 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10506 } 10507 10508 private static boolean isMultiArch(PackageSetting ps) { 10509 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10510 } 10511 10512 private static boolean isMultiArch(ApplicationInfo info) { 10513 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10514 } 10515 10516 private static boolean isExternal(PackageParser.Package pkg) { 10517 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10518 } 10519 10520 private static boolean isExternal(PackageSetting ps) { 10521 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10522 } 10523 10524 private static boolean isExternal(ApplicationInfo info) { 10525 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10526 } 10527 10528 private static boolean isSystemApp(PackageParser.Package pkg) { 10529 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10530 } 10531 10532 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10533 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10534 } 10535 10536 private static boolean isSystemApp(ApplicationInfo info) { 10537 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10538 } 10539 10540 private static boolean isSystemApp(PackageSetting ps) { 10541 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10542 } 10543 10544 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10545 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10546 } 10547 10548 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10549 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10550 } 10551 10552 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10553 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10554 } 10555 10556 private int packageFlagsToInstallFlags(PackageSetting ps) { 10557 int installFlags = 0; 10558 if (isExternal(ps)) { 10559 installFlags |= PackageManager.INSTALL_EXTERNAL; 10560 } 10561 if (isForwardLocked(ps)) { 10562 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10563 } 10564 return installFlags; 10565 } 10566 10567 private void deleteTempPackageFiles() { 10568 final FilenameFilter filter = new FilenameFilter() { 10569 public boolean accept(File dir, String name) { 10570 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10571 } 10572 }; 10573 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10574 file.delete(); 10575 } 10576 } 10577 10578 @Override 10579 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10580 int flags) { 10581 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10582 flags); 10583 } 10584 10585 @Override 10586 public void deletePackage(final String packageName, 10587 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10588 mContext.enforceCallingOrSelfPermission( 10589 android.Manifest.permission.DELETE_PACKAGES, null); 10590 final int uid = Binder.getCallingUid(); 10591 if (UserHandle.getUserId(uid) != userId) { 10592 mContext.enforceCallingPermission( 10593 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10594 "deletePackage for user " + userId); 10595 } 10596 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10597 try { 10598 observer.onPackageDeleted(packageName, 10599 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10600 } catch (RemoteException re) { 10601 } 10602 return; 10603 } 10604 10605 boolean uninstallBlocked = false; 10606 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10607 int[] users = sUserManager.getUserIds(); 10608 for (int i = 0; i < users.length; ++i) { 10609 if (getBlockUninstallForUser(packageName, users[i])) { 10610 uninstallBlocked = true; 10611 break; 10612 } 10613 } 10614 } else { 10615 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10616 } 10617 if (uninstallBlocked) { 10618 try { 10619 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10620 null); 10621 } catch (RemoteException re) { 10622 } 10623 return; 10624 } 10625 10626 if (DEBUG_REMOVE) { 10627 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10628 } 10629 // Queue up an async operation since the package deletion may take a little while. 10630 mHandler.post(new Runnable() { 10631 public void run() { 10632 mHandler.removeCallbacks(this); 10633 final int returnCode = deletePackageX(packageName, userId, flags); 10634 if (observer != null) { 10635 try { 10636 observer.onPackageDeleted(packageName, returnCode, null); 10637 } catch (RemoteException e) { 10638 Log.i(TAG, "Observer no longer exists."); 10639 } //end catch 10640 } //end if 10641 } //end run 10642 }); 10643 } 10644 10645 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10646 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10647 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10648 try { 10649 if (dpm != null) { 10650 if (dpm.isDeviceOwner(packageName)) { 10651 return true; 10652 } 10653 int[] users; 10654 if (userId == UserHandle.USER_ALL) { 10655 users = sUserManager.getUserIds(); 10656 } else { 10657 users = new int[]{userId}; 10658 } 10659 for (int i = 0; i < users.length; ++i) { 10660 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10661 return true; 10662 } 10663 } 10664 } 10665 } catch (RemoteException e) { 10666 } 10667 return false; 10668 } 10669 10670 /** 10671 * This method is an internal method that could be get invoked either 10672 * to delete an installed package or to clean up a failed installation. 10673 * After deleting an installed package, a broadcast is sent to notify any 10674 * listeners that the package has been installed. For cleaning up a failed 10675 * installation, the broadcast is not necessary since the package's 10676 * installation wouldn't have sent the initial broadcast either 10677 * The key steps in deleting a package are 10678 * deleting the package information in internal structures like mPackages, 10679 * deleting the packages base directories through installd 10680 * updating mSettings to reflect current status 10681 * persisting settings for later use 10682 * sending a broadcast if necessary 10683 */ 10684 private int deletePackageX(String packageName, int userId, int flags) { 10685 final PackageRemovedInfo info = new PackageRemovedInfo(); 10686 final boolean res; 10687 10688 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10689 ? UserHandle.ALL : new UserHandle(userId); 10690 10691 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10692 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10693 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10694 } 10695 10696 boolean removedForAllUsers = false; 10697 boolean systemUpdate = false; 10698 10699 // for the uninstall-updates case and restricted profiles, remember the per- 10700 // userhandle installed state 10701 int[] allUsers; 10702 boolean[] perUserInstalled; 10703 synchronized (mPackages) { 10704 PackageSetting ps = mSettings.mPackages.get(packageName); 10705 allUsers = sUserManager.getUserIds(); 10706 perUserInstalled = new boolean[allUsers.length]; 10707 for (int i = 0; i < allUsers.length; i++) { 10708 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10709 } 10710 } 10711 10712 synchronized (mInstallLock) { 10713 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10714 res = deletePackageLI(packageName, removeForUser, 10715 true, allUsers, perUserInstalled, 10716 flags | REMOVE_CHATTY, info, true); 10717 systemUpdate = info.isRemovedPackageSystemUpdate; 10718 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10719 removedForAllUsers = true; 10720 } 10721 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10722 + " removedForAllUsers=" + removedForAllUsers); 10723 } 10724 10725 if (res) { 10726 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10727 10728 // If the removed package was a system update, the old system package 10729 // was re-enabled; we need to broadcast this information 10730 if (systemUpdate) { 10731 Bundle extras = new Bundle(1); 10732 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10733 ? info.removedAppId : info.uid); 10734 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10735 10736 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10737 extras, null, null, null); 10738 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10739 extras, null, null, null); 10740 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10741 null, packageName, null, null); 10742 } 10743 } 10744 // Force a gc here. 10745 Runtime.getRuntime().gc(); 10746 // Delete the resources here after sending the broadcast to let 10747 // other processes clean up before deleting resources. 10748 if (info.args != null) { 10749 synchronized (mInstallLock) { 10750 info.args.doPostDeleteLI(true); 10751 } 10752 } 10753 10754 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10755 } 10756 10757 static class PackageRemovedInfo { 10758 String removedPackage; 10759 int uid = -1; 10760 int removedAppId = -1; 10761 int[] removedUsers = null; 10762 boolean isRemovedPackageSystemUpdate = false; 10763 // Clean up resources deleted packages. 10764 InstallArgs args = null; 10765 10766 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10767 Bundle extras = new Bundle(1); 10768 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10769 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10770 if (replacing) { 10771 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10772 } 10773 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10774 if (removedPackage != null) { 10775 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10776 extras, null, null, removedUsers); 10777 if (fullRemove && !replacing) { 10778 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10779 extras, null, null, removedUsers); 10780 } 10781 } 10782 if (removedAppId >= 0) { 10783 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10784 removedUsers); 10785 } 10786 } 10787 } 10788 10789 /* 10790 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10791 * flag is not set, the data directory is removed as well. 10792 * make sure this flag is set for partially installed apps. If not its meaningless to 10793 * delete a partially installed application. 10794 */ 10795 private void removePackageDataLI(PackageSetting ps, 10796 int[] allUserHandles, boolean[] perUserInstalled, 10797 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10798 String packageName = ps.name; 10799 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10800 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10801 // Retrieve object to delete permissions for shared user later on 10802 final PackageSetting deletedPs; 10803 // reader 10804 synchronized (mPackages) { 10805 deletedPs = mSettings.mPackages.get(packageName); 10806 if (outInfo != null) { 10807 outInfo.removedPackage = packageName; 10808 outInfo.removedUsers = deletedPs != null 10809 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10810 : null; 10811 } 10812 } 10813 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10814 removeDataDirsLI(packageName); 10815 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10816 } 10817 // writer 10818 synchronized (mPackages) { 10819 if (deletedPs != null) { 10820 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10821 if (outInfo != null) { 10822 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10823 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10824 } 10825 if (deletedPs != null) { 10826 updatePermissionsLPw(deletedPs.name, null, 0); 10827 if (deletedPs.sharedUser != null) { 10828 // remove permissions associated with package 10829 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10830 } 10831 } 10832 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10833 } 10834 // make sure to preserve per-user disabled state if this removal was just 10835 // a downgrade of a system app to the factory package 10836 if (allUserHandles != null && perUserInstalled != null) { 10837 if (DEBUG_REMOVE) { 10838 Slog.d(TAG, "Propagating install state across downgrade"); 10839 } 10840 for (int i = 0; i < allUserHandles.length; i++) { 10841 if (DEBUG_REMOVE) { 10842 Slog.d(TAG, " user " + allUserHandles[i] 10843 + " => " + perUserInstalled[i]); 10844 } 10845 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10846 } 10847 } 10848 } 10849 // can downgrade to reader 10850 if (writeSettings) { 10851 // Save settings now 10852 mSettings.writeLPr(); 10853 } 10854 } 10855 if (outInfo != null) { 10856 // A user ID was deleted here. Go through all users and remove it 10857 // from KeyStore. 10858 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10859 } 10860 } 10861 10862 static boolean locationIsPrivileged(File path) { 10863 try { 10864 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10865 .getCanonicalPath(); 10866 return path.getCanonicalPath().startsWith(privilegedAppDir); 10867 } catch (IOException e) { 10868 Slog.e(TAG, "Unable to access code path " + path); 10869 } 10870 return false; 10871 } 10872 10873 /* 10874 * Tries to delete system package. 10875 */ 10876 private boolean deleteSystemPackageLI(PackageSetting newPs, 10877 int[] allUserHandles, boolean[] perUserInstalled, 10878 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10879 final boolean applyUserRestrictions 10880 = (allUserHandles != null) && (perUserInstalled != null); 10881 PackageSetting disabledPs = null; 10882 // Confirm if the system package has been updated 10883 // An updated system app can be deleted. This will also have to restore 10884 // the system pkg from system partition 10885 // reader 10886 synchronized (mPackages) { 10887 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10888 } 10889 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10890 + " disabledPs=" + disabledPs); 10891 if (disabledPs == null) { 10892 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10893 return false; 10894 } else if (DEBUG_REMOVE) { 10895 Slog.d(TAG, "Deleting system pkg from data partition"); 10896 } 10897 if (DEBUG_REMOVE) { 10898 if (applyUserRestrictions) { 10899 Slog.d(TAG, "Remembering install states:"); 10900 for (int i = 0; i < allUserHandles.length; i++) { 10901 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10902 } 10903 } 10904 } 10905 // Delete the updated package 10906 outInfo.isRemovedPackageSystemUpdate = true; 10907 if (disabledPs.versionCode < newPs.versionCode) { 10908 // Delete data for downgrades 10909 flags &= ~PackageManager.DELETE_KEEP_DATA; 10910 } else { 10911 // Preserve data by setting flag 10912 flags |= PackageManager.DELETE_KEEP_DATA; 10913 } 10914 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10915 allUserHandles, perUserInstalled, outInfo, writeSettings); 10916 if (!ret) { 10917 return false; 10918 } 10919 // writer 10920 synchronized (mPackages) { 10921 // Reinstate the old system package 10922 mSettings.enableSystemPackageLPw(newPs.name); 10923 // Remove any native libraries from the upgraded package. 10924 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10925 } 10926 // Install the system package 10927 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10928 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10929 if (locationIsPrivileged(disabledPs.codePath)) { 10930 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10931 } 10932 10933 final PackageParser.Package newPkg; 10934 try { 10935 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10936 } catch (PackageManagerException e) { 10937 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10938 return false; 10939 } 10940 10941 // writer 10942 synchronized (mPackages) { 10943 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10944 updatePermissionsLPw(newPkg.packageName, newPkg, 10945 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10946 if (applyUserRestrictions) { 10947 if (DEBUG_REMOVE) { 10948 Slog.d(TAG, "Propagating install state across reinstall"); 10949 } 10950 for (int i = 0; i < allUserHandles.length; i++) { 10951 if (DEBUG_REMOVE) { 10952 Slog.d(TAG, " user " + allUserHandles[i] 10953 + " => " + perUserInstalled[i]); 10954 } 10955 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10956 } 10957 // Regardless of writeSettings we need to ensure that this restriction 10958 // state propagation is persisted 10959 mSettings.writeAllUsersPackageRestrictionsLPr(); 10960 } 10961 // can downgrade to reader here 10962 if (writeSettings) { 10963 mSettings.writeLPr(); 10964 } 10965 } 10966 return true; 10967 } 10968 10969 private boolean deleteInstalledPackageLI(PackageSetting ps, 10970 boolean deleteCodeAndResources, int flags, 10971 int[] allUserHandles, boolean[] perUserInstalled, 10972 PackageRemovedInfo outInfo, boolean writeSettings) { 10973 if (outInfo != null) { 10974 outInfo.uid = ps.appId; 10975 } 10976 10977 // Delete package data from internal structures and also remove data if flag is set 10978 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10979 10980 // Delete application code and resources 10981 if (deleteCodeAndResources && (outInfo != null)) { 10982 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10983 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10984 getAppDexInstructionSets(ps)); 10985 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10986 } 10987 return true; 10988 } 10989 10990 @Override 10991 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10992 int userId) { 10993 mContext.enforceCallingOrSelfPermission( 10994 android.Manifest.permission.DELETE_PACKAGES, null); 10995 synchronized (mPackages) { 10996 PackageSetting ps = mSettings.mPackages.get(packageName); 10997 if (ps == null) { 10998 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10999 return false; 11000 } 11001 if (!ps.getInstalled(userId)) { 11002 // Can't block uninstall for an app that is not installed or enabled. 11003 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11004 return false; 11005 } 11006 ps.setBlockUninstall(blockUninstall, userId); 11007 mSettings.writePackageRestrictionsLPr(userId); 11008 } 11009 return true; 11010 } 11011 11012 @Override 11013 public boolean getBlockUninstallForUser(String packageName, int userId) { 11014 synchronized (mPackages) { 11015 PackageSetting ps = mSettings.mPackages.get(packageName); 11016 if (ps == null) { 11017 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11018 return false; 11019 } 11020 return ps.getBlockUninstall(userId); 11021 } 11022 } 11023 11024 /* 11025 * This method handles package deletion in general 11026 */ 11027 private boolean deletePackageLI(String packageName, UserHandle user, 11028 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11029 int flags, PackageRemovedInfo outInfo, 11030 boolean writeSettings) { 11031 if (packageName == null) { 11032 Slog.w(TAG, "Attempt to delete null packageName."); 11033 return false; 11034 } 11035 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11036 PackageSetting ps; 11037 boolean dataOnly = false; 11038 int removeUser = -1; 11039 int appId = -1; 11040 synchronized (mPackages) { 11041 ps = mSettings.mPackages.get(packageName); 11042 if (ps == null) { 11043 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11044 return false; 11045 } 11046 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11047 && user.getIdentifier() != UserHandle.USER_ALL) { 11048 // The caller is asking that the package only be deleted for a single 11049 // user. To do this, we just mark its uninstalled state and delete 11050 // its data. If this is a system app, we only allow this to happen if 11051 // they have set the special DELETE_SYSTEM_APP which requests different 11052 // semantics than normal for uninstalling system apps. 11053 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11054 ps.setUserState(user.getIdentifier(), 11055 COMPONENT_ENABLED_STATE_DEFAULT, 11056 false, //installed 11057 true, //stopped 11058 true, //notLaunched 11059 false, //hidden 11060 null, null, null, 11061 false // blockUninstall 11062 ); 11063 if (!isSystemApp(ps)) { 11064 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11065 // Other user still have this package installed, so all 11066 // we need to do is clear this user's data and save that 11067 // it is uninstalled. 11068 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11069 removeUser = user.getIdentifier(); 11070 appId = ps.appId; 11071 mSettings.writePackageRestrictionsLPr(removeUser); 11072 } else { 11073 // We need to set it back to 'installed' so the uninstall 11074 // broadcasts will be sent correctly. 11075 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11076 ps.setInstalled(true, user.getIdentifier()); 11077 } 11078 } else { 11079 // This is a system app, so we assume that the 11080 // other users still have this package installed, so all 11081 // we need to do is clear this user's data and save that 11082 // it is uninstalled. 11083 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11084 removeUser = user.getIdentifier(); 11085 appId = ps.appId; 11086 mSettings.writePackageRestrictionsLPr(removeUser); 11087 } 11088 } 11089 } 11090 11091 if (removeUser >= 0) { 11092 // From above, we determined that we are deleting this only 11093 // for a single user. Continue the work here. 11094 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11095 if (outInfo != null) { 11096 outInfo.removedPackage = packageName; 11097 outInfo.removedAppId = appId; 11098 outInfo.removedUsers = new int[] {removeUser}; 11099 } 11100 mInstaller.clearUserData(packageName, removeUser); 11101 removeKeystoreDataIfNeeded(removeUser, appId); 11102 schedulePackageCleaning(packageName, removeUser, false); 11103 return true; 11104 } 11105 11106 if (dataOnly) { 11107 // Delete application data first 11108 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11109 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11110 return true; 11111 } 11112 11113 boolean ret = false; 11114 if (isSystemApp(ps)) { 11115 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11116 // When an updated system application is deleted we delete the existing resources as well and 11117 // fall back to existing code in system partition 11118 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11119 flags, outInfo, writeSettings); 11120 } else { 11121 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11122 // Kill application pre-emptively especially for apps on sd. 11123 killApplication(packageName, ps.appId, "uninstall pkg"); 11124 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11125 allUserHandles, perUserInstalled, 11126 outInfo, writeSettings); 11127 } 11128 11129 return ret; 11130 } 11131 11132 private final class ClearStorageConnection implements ServiceConnection { 11133 IMediaContainerService mContainerService; 11134 11135 @Override 11136 public void onServiceConnected(ComponentName name, IBinder service) { 11137 synchronized (this) { 11138 mContainerService = IMediaContainerService.Stub.asInterface(service); 11139 notifyAll(); 11140 } 11141 } 11142 11143 @Override 11144 public void onServiceDisconnected(ComponentName name) { 11145 } 11146 } 11147 11148 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11149 final boolean mounted; 11150 if (Environment.isExternalStorageEmulated()) { 11151 mounted = true; 11152 } else { 11153 final String status = Environment.getExternalStorageState(); 11154 11155 mounted = status.equals(Environment.MEDIA_MOUNTED) 11156 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11157 } 11158 11159 if (!mounted) { 11160 return; 11161 } 11162 11163 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11164 int[] users; 11165 if (userId == UserHandle.USER_ALL) { 11166 users = sUserManager.getUserIds(); 11167 } else { 11168 users = new int[] { userId }; 11169 } 11170 final ClearStorageConnection conn = new ClearStorageConnection(); 11171 if (mContext.bindServiceAsUser( 11172 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11173 try { 11174 for (int curUser : users) { 11175 long timeout = SystemClock.uptimeMillis() + 5000; 11176 synchronized (conn) { 11177 long now = SystemClock.uptimeMillis(); 11178 while (conn.mContainerService == null && now < timeout) { 11179 try { 11180 conn.wait(timeout - now); 11181 } catch (InterruptedException e) { 11182 } 11183 } 11184 } 11185 if (conn.mContainerService == null) { 11186 return; 11187 } 11188 11189 final UserEnvironment userEnv = new UserEnvironment(curUser); 11190 clearDirectory(conn.mContainerService, 11191 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11192 if (allData) { 11193 clearDirectory(conn.mContainerService, 11194 userEnv.buildExternalStorageAppDataDirs(packageName)); 11195 clearDirectory(conn.mContainerService, 11196 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11197 } 11198 } 11199 } finally { 11200 mContext.unbindService(conn); 11201 } 11202 } 11203 } 11204 11205 @Override 11206 public void clearApplicationUserData(final String packageName, 11207 final IPackageDataObserver observer, final int userId) { 11208 mContext.enforceCallingOrSelfPermission( 11209 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11210 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11211 // Queue up an async operation since the package deletion may take a little while. 11212 mHandler.post(new Runnable() { 11213 public void run() { 11214 mHandler.removeCallbacks(this); 11215 final boolean succeeded; 11216 synchronized (mInstallLock) { 11217 succeeded = clearApplicationUserDataLI(packageName, userId); 11218 } 11219 clearExternalStorageDataSync(packageName, userId, true); 11220 if (succeeded) { 11221 // invoke DeviceStorageMonitor's update method to clear any notifications 11222 DeviceStorageMonitorInternal 11223 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11224 if (dsm != null) { 11225 dsm.checkMemory(); 11226 } 11227 } 11228 if(observer != null) { 11229 try { 11230 observer.onRemoveCompleted(packageName, succeeded); 11231 } catch (RemoteException e) { 11232 Log.i(TAG, "Observer no longer exists."); 11233 } 11234 } //end if observer 11235 } //end run 11236 }); 11237 } 11238 11239 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11240 if (packageName == null) { 11241 Slog.w(TAG, "Attempt to delete null packageName."); 11242 return false; 11243 } 11244 11245 // Try finding details about the requested package 11246 PackageParser.Package pkg; 11247 synchronized (mPackages) { 11248 pkg = mPackages.get(packageName); 11249 if (pkg == null) { 11250 final PackageSetting ps = mSettings.mPackages.get(packageName); 11251 if (ps != null) { 11252 pkg = ps.pkg; 11253 } 11254 } 11255 } 11256 11257 if (pkg == null) { 11258 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11259 } 11260 11261 // Always delete data directories for package, even if we found no other 11262 // record of app. This helps users recover from UID mismatches without 11263 // resorting to a full data wipe. 11264 int retCode = mInstaller.clearUserData(packageName, userId); 11265 if (retCode < 0) { 11266 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11267 return false; 11268 } 11269 11270 if (pkg == null) { 11271 return false; 11272 } 11273 11274 if (pkg != null && pkg.applicationInfo != null) { 11275 final int appId = pkg.applicationInfo.uid; 11276 removeKeystoreDataIfNeeded(userId, appId); 11277 } 11278 11279 // Create a native library symlink only if we have native libraries 11280 // and if the native libraries are 32 bit libraries. We do not provide 11281 // this symlink for 64 bit libraries. 11282 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11283 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11284 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11285 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11286 Slog.w(TAG, "Failed linking native library dir"); 11287 return false; 11288 } 11289 } 11290 11291 return true; 11292 } 11293 11294 /** 11295 * Remove entries from the keystore daemon. Will only remove it if the 11296 * {@code appId} is valid. 11297 */ 11298 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11299 if (appId < 0) { 11300 return; 11301 } 11302 11303 final KeyStore keyStore = KeyStore.getInstance(); 11304 if (keyStore != null) { 11305 if (userId == UserHandle.USER_ALL) { 11306 for (final int individual : sUserManager.getUserIds()) { 11307 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11308 } 11309 } else { 11310 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11311 } 11312 } else { 11313 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11314 } 11315 } 11316 11317 @Override 11318 public void deleteApplicationCacheFiles(final String packageName, 11319 final IPackageDataObserver observer) { 11320 mContext.enforceCallingOrSelfPermission( 11321 android.Manifest.permission.DELETE_CACHE_FILES, null); 11322 // Queue up an async operation since the package deletion may take a little while. 11323 final int userId = UserHandle.getCallingUserId(); 11324 mHandler.post(new Runnable() { 11325 public void run() { 11326 mHandler.removeCallbacks(this); 11327 final boolean succeded; 11328 synchronized (mInstallLock) { 11329 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11330 } 11331 clearExternalStorageDataSync(packageName, userId, false); 11332 if(observer != null) { 11333 try { 11334 observer.onRemoveCompleted(packageName, succeded); 11335 } catch (RemoteException e) { 11336 Log.i(TAG, "Observer no longer exists."); 11337 } 11338 } //end if observer 11339 } //end run 11340 }); 11341 } 11342 11343 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11344 if (packageName == null) { 11345 Slog.w(TAG, "Attempt to delete null packageName."); 11346 return false; 11347 } 11348 PackageParser.Package p; 11349 synchronized (mPackages) { 11350 p = mPackages.get(packageName); 11351 } 11352 if (p == null) { 11353 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11354 return false; 11355 } 11356 final ApplicationInfo applicationInfo = p.applicationInfo; 11357 if (applicationInfo == null) { 11358 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11359 return false; 11360 } 11361 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11362 if (retCode < 0) { 11363 Slog.w(TAG, "Couldn't remove cache files for package: " 11364 + packageName + " u" + userId); 11365 return false; 11366 } 11367 return true; 11368 } 11369 11370 @Override 11371 public void getPackageSizeInfo(final String packageName, int userHandle, 11372 final IPackageStatsObserver observer) { 11373 mContext.enforceCallingOrSelfPermission( 11374 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11375 if (packageName == null) { 11376 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11377 } 11378 11379 PackageStats stats = new PackageStats(packageName, userHandle); 11380 11381 /* 11382 * Queue up an async operation since the package measurement may take a 11383 * little while. 11384 */ 11385 Message msg = mHandler.obtainMessage(INIT_COPY); 11386 msg.obj = new MeasureParams(stats, observer); 11387 mHandler.sendMessage(msg); 11388 } 11389 11390 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11391 PackageStats pStats) { 11392 if (packageName == null) { 11393 Slog.w(TAG, "Attempt to get size of null packageName."); 11394 return false; 11395 } 11396 PackageParser.Package p; 11397 boolean dataOnly = false; 11398 String libDirRoot = null; 11399 String asecPath = null; 11400 PackageSetting ps = null; 11401 synchronized (mPackages) { 11402 p = mPackages.get(packageName); 11403 ps = mSettings.mPackages.get(packageName); 11404 if(p == null) { 11405 dataOnly = true; 11406 if((ps == null) || (ps.pkg == null)) { 11407 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11408 return false; 11409 } 11410 p = ps.pkg; 11411 } 11412 if (ps != null) { 11413 libDirRoot = ps.legacyNativeLibraryPathString; 11414 } 11415 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11416 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11417 if (secureContainerId != null) { 11418 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11419 } 11420 } 11421 } 11422 String publicSrcDir = null; 11423 if(!dataOnly) { 11424 final ApplicationInfo applicationInfo = p.applicationInfo; 11425 if (applicationInfo == null) { 11426 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11427 return false; 11428 } 11429 if (isForwardLocked(p)) { 11430 publicSrcDir = applicationInfo.getBaseResourcePath(); 11431 } 11432 } 11433 // TODO: extend to measure size of split APKs 11434 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11435 // not just the first level. 11436 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11437 // just the primary. 11438 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11439 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11440 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11441 if (res < 0) { 11442 return false; 11443 } 11444 11445 // Fix-up for forward-locked applications in ASEC containers. 11446 if (!isExternal(p)) { 11447 pStats.codeSize += pStats.externalCodeSize; 11448 pStats.externalCodeSize = 0L; 11449 } 11450 11451 return true; 11452 } 11453 11454 11455 @Override 11456 public void addPackageToPreferred(String packageName) { 11457 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11458 } 11459 11460 @Override 11461 public void removePackageFromPreferred(String packageName) { 11462 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11463 } 11464 11465 @Override 11466 public List<PackageInfo> getPreferredPackages(int flags) { 11467 return new ArrayList<PackageInfo>(); 11468 } 11469 11470 private int getUidTargetSdkVersionLockedLPr(int uid) { 11471 Object obj = mSettings.getUserIdLPr(uid); 11472 if (obj instanceof SharedUserSetting) { 11473 final SharedUserSetting sus = (SharedUserSetting) obj; 11474 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11475 final Iterator<PackageSetting> it = sus.packages.iterator(); 11476 while (it.hasNext()) { 11477 final PackageSetting ps = it.next(); 11478 if (ps.pkg != null) { 11479 int v = ps.pkg.applicationInfo.targetSdkVersion; 11480 if (v < vers) vers = v; 11481 } 11482 } 11483 return vers; 11484 } else if (obj instanceof PackageSetting) { 11485 final PackageSetting ps = (PackageSetting) obj; 11486 if (ps.pkg != null) { 11487 return ps.pkg.applicationInfo.targetSdkVersion; 11488 } 11489 } 11490 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11491 } 11492 11493 @Override 11494 public void addPreferredActivity(IntentFilter filter, int match, 11495 ComponentName[] set, ComponentName activity, int userId) { 11496 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11497 "Adding preferred"); 11498 } 11499 11500 private void addPreferredActivityInternal(IntentFilter filter, int match, 11501 ComponentName[] set, ComponentName activity, boolean always, int userId, 11502 String opname) { 11503 // writer 11504 int callingUid = Binder.getCallingUid(); 11505 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11506 if (filter.countActions() == 0) { 11507 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11508 return; 11509 } 11510 synchronized (mPackages) { 11511 if (mContext.checkCallingOrSelfPermission( 11512 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11513 != PackageManager.PERMISSION_GRANTED) { 11514 if (getUidTargetSdkVersionLockedLPr(callingUid) 11515 < Build.VERSION_CODES.FROYO) { 11516 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11517 + callingUid); 11518 return; 11519 } 11520 mContext.enforceCallingOrSelfPermission( 11521 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11522 } 11523 11524 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11525 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11526 + userId + ":"); 11527 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11528 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11529 mSettings.writePackageRestrictionsLPr(userId); 11530 } 11531 } 11532 11533 @Override 11534 public void replacePreferredActivity(IntentFilter filter, int match, 11535 ComponentName[] set, ComponentName activity, int userId) { 11536 if (filter.countActions() != 1) { 11537 throw new IllegalArgumentException( 11538 "replacePreferredActivity expects filter to have only 1 action."); 11539 } 11540 if (filter.countDataAuthorities() != 0 11541 || filter.countDataPaths() != 0 11542 || filter.countDataSchemes() > 1 11543 || filter.countDataTypes() != 0) { 11544 throw new IllegalArgumentException( 11545 "replacePreferredActivity expects filter to have no data authorities, " + 11546 "paths, or types; and at most one scheme."); 11547 } 11548 11549 final int callingUid = Binder.getCallingUid(); 11550 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11551 synchronized (mPackages) { 11552 if (mContext.checkCallingOrSelfPermission( 11553 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11554 != PackageManager.PERMISSION_GRANTED) { 11555 if (getUidTargetSdkVersionLockedLPr(callingUid) 11556 < Build.VERSION_CODES.FROYO) { 11557 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11558 + Binder.getCallingUid()); 11559 return; 11560 } 11561 mContext.enforceCallingOrSelfPermission( 11562 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11563 } 11564 11565 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11566 if (pir != null) { 11567 // Get all of the existing entries that exactly match this filter. 11568 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11569 if (existing != null && existing.size() == 1) { 11570 PreferredActivity cur = existing.get(0); 11571 if (DEBUG_PREFERRED) { 11572 Slog.i(TAG, "Checking replace of preferred:"); 11573 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11574 if (!cur.mPref.mAlways) { 11575 Slog.i(TAG, " -- CUR; not mAlways!"); 11576 } else { 11577 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11578 Slog.i(TAG, " -- CUR: mSet=" 11579 + Arrays.toString(cur.mPref.mSetComponents)); 11580 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11581 Slog.i(TAG, " -- NEW: mMatch=" 11582 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11583 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11584 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11585 } 11586 } 11587 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11588 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11589 && cur.mPref.sameSet(set)) { 11590 // Setting the preferred activity to what it happens to be already 11591 if (DEBUG_PREFERRED) { 11592 Slog.i(TAG, "Replacing with same preferred activity " 11593 + cur.mPref.mShortComponent + " for user " 11594 + userId + ":"); 11595 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11596 } 11597 return; 11598 } 11599 } 11600 11601 if (existing != null) { 11602 if (DEBUG_PREFERRED) { 11603 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11604 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11605 } 11606 for (int i = 0; i < existing.size(); i++) { 11607 PreferredActivity pa = existing.get(i); 11608 if (DEBUG_PREFERRED) { 11609 Slog.i(TAG, "Removing existing preferred activity " 11610 + pa.mPref.mComponent + ":"); 11611 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11612 } 11613 pir.removeFilter(pa); 11614 } 11615 } 11616 } 11617 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11618 "Replacing preferred"); 11619 } 11620 } 11621 11622 @Override 11623 public void clearPackagePreferredActivities(String packageName) { 11624 final int uid = Binder.getCallingUid(); 11625 // writer 11626 synchronized (mPackages) { 11627 PackageParser.Package pkg = mPackages.get(packageName); 11628 if (pkg == null || pkg.applicationInfo.uid != uid) { 11629 if (mContext.checkCallingOrSelfPermission( 11630 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11631 != PackageManager.PERMISSION_GRANTED) { 11632 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11633 < Build.VERSION_CODES.FROYO) { 11634 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11635 + Binder.getCallingUid()); 11636 return; 11637 } 11638 mContext.enforceCallingOrSelfPermission( 11639 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11640 } 11641 } 11642 11643 int user = UserHandle.getCallingUserId(); 11644 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11645 mSettings.writePackageRestrictionsLPr(user); 11646 scheduleWriteSettingsLocked(); 11647 } 11648 } 11649 } 11650 11651 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11652 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11653 ArrayList<PreferredActivity> removed = null; 11654 boolean changed = false; 11655 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11656 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11657 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11658 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11659 continue; 11660 } 11661 Iterator<PreferredActivity> it = pir.filterIterator(); 11662 while (it.hasNext()) { 11663 PreferredActivity pa = it.next(); 11664 // Mark entry for removal only if it matches the package name 11665 // and the entry is of type "always". 11666 if (packageName == null || 11667 (pa.mPref.mComponent.getPackageName().equals(packageName) 11668 && pa.mPref.mAlways)) { 11669 if (removed == null) { 11670 removed = new ArrayList<PreferredActivity>(); 11671 } 11672 removed.add(pa); 11673 } 11674 } 11675 if (removed != null) { 11676 for (int j=0; j<removed.size(); j++) { 11677 PreferredActivity pa = removed.get(j); 11678 pir.removeFilter(pa); 11679 } 11680 changed = true; 11681 } 11682 } 11683 return changed; 11684 } 11685 11686 @Override 11687 public void resetPreferredActivities(int userId) { 11688 /* TODO: Actually use userId. Why is it being passed in? */ 11689 mContext.enforceCallingOrSelfPermission( 11690 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11691 // writer 11692 synchronized (mPackages) { 11693 int user = UserHandle.getCallingUserId(); 11694 clearPackagePreferredActivitiesLPw(null, user); 11695 mSettings.readDefaultPreferredAppsLPw(this, user); 11696 mSettings.writePackageRestrictionsLPr(user); 11697 scheduleWriteSettingsLocked(); 11698 } 11699 } 11700 11701 @Override 11702 public int getPreferredActivities(List<IntentFilter> outFilters, 11703 List<ComponentName> outActivities, String packageName) { 11704 11705 int num = 0; 11706 final int userId = UserHandle.getCallingUserId(); 11707 // reader 11708 synchronized (mPackages) { 11709 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11710 if (pir != null) { 11711 final Iterator<PreferredActivity> it = pir.filterIterator(); 11712 while (it.hasNext()) { 11713 final PreferredActivity pa = it.next(); 11714 if (packageName == null 11715 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11716 && pa.mPref.mAlways)) { 11717 if (outFilters != null) { 11718 outFilters.add(new IntentFilter(pa)); 11719 } 11720 if (outActivities != null) { 11721 outActivities.add(pa.mPref.mComponent); 11722 } 11723 } 11724 } 11725 } 11726 } 11727 11728 return num; 11729 } 11730 11731 @Override 11732 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11733 int userId) { 11734 int callingUid = Binder.getCallingUid(); 11735 if (callingUid != Process.SYSTEM_UID) { 11736 throw new SecurityException( 11737 "addPersistentPreferredActivity can only be run by the system"); 11738 } 11739 if (filter.countActions() == 0) { 11740 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11741 return; 11742 } 11743 synchronized (mPackages) { 11744 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11745 " :"); 11746 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11747 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11748 new PersistentPreferredActivity(filter, activity)); 11749 mSettings.writePackageRestrictionsLPr(userId); 11750 } 11751 } 11752 11753 @Override 11754 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11755 int callingUid = Binder.getCallingUid(); 11756 if (callingUid != Process.SYSTEM_UID) { 11757 throw new SecurityException( 11758 "clearPackagePersistentPreferredActivities can only be run by the system"); 11759 } 11760 ArrayList<PersistentPreferredActivity> removed = null; 11761 boolean changed = false; 11762 synchronized (mPackages) { 11763 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11764 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11765 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11766 .valueAt(i); 11767 if (userId != thisUserId) { 11768 continue; 11769 } 11770 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11771 while (it.hasNext()) { 11772 PersistentPreferredActivity ppa = it.next(); 11773 // Mark entry for removal only if it matches the package name. 11774 if (ppa.mComponent.getPackageName().equals(packageName)) { 11775 if (removed == null) { 11776 removed = new ArrayList<PersistentPreferredActivity>(); 11777 } 11778 removed.add(ppa); 11779 } 11780 } 11781 if (removed != null) { 11782 for (int j=0; j<removed.size(); j++) { 11783 PersistentPreferredActivity ppa = removed.get(j); 11784 ppir.removeFilter(ppa); 11785 } 11786 changed = true; 11787 } 11788 } 11789 11790 if (changed) { 11791 mSettings.writePackageRestrictionsLPr(userId); 11792 } 11793 } 11794 } 11795 11796 @Override 11797 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11798 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11799 mContext.enforceCallingOrSelfPermission( 11800 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11801 int callingUid = Binder.getCallingUid(); 11802 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11803 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11804 if (intentFilter.countActions() == 0) { 11805 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11806 return; 11807 } 11808 synchronized (mPackages) { 11809 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11810 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11811 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11812 mSettings.writePackageRestrictionsLPr(sourceUserId); 11813 } 11814 } 11815 11816 @Override 11817 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11818 int ownerUserId) { 11819 mContext.enforceCallingOrSelfPermission( 11820 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11821 int callingUid = Binder.getCallingUid(); 11822 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11823 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11824 int callingUserId = UserHandle.getUserId(callingUid); 11825 synchronized (mPackages) { 11826 CrossProfileIntentResolver resolver = 11827 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11828 HashSet<CrossProfileIntentFilter> set = 11829 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11830 for (CrossProfileIntentFilter filter : set) { 11831 if (filter.getOwnerPackage().equals(ownerPackage) 11832 && filter.getOwnerUserId() == callingUserId) { 11833 resolver.removeFilter(filter); 11834 } 11835 } 11836 mSettings.writePackageRestrictionsLPr(sourceUserId); 11837 } 11838 } 11839 11840 // Enforcing that callingUid is owning pkg on userId 11841 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11842 // The system owns everything. 11843 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11844 return; 11845 } 11846 int callingUserId = UserHandle.getUserId(callingUid); 11847 if (callingUserId != userId) { 11848 throw new SecurityException("calling uid " + callingUid 11849 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11850 + callingUserId); 11851 } 11852 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11853 if (pi == null) { 11854 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11855 + callingUserId); 11856 } 11857 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11858 throw new SecurityException("Calling uid " + callingUid 11859 + " does not own package " + pkg); 11860 } 11861 } 11862 11863 @Override 11864 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11865 Intent intent = new Intent(Intent.ACTION_MAIN); 11866 intent.addCategory(Intent.CATEGORY_HOME); 11867 11868 final int callingUserId = UserHandle.getCallingUserId(); 11869 List<ResolveInfo> list = queryIntentActivities(intent, null, 11870 PackageManager.GET_META_DATA, callingUserId); 11871 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11872 true, false, false, callingUserId); 11873 11874 allHomeCandidates.clear(); 11875 if (list != null) { 11876 for (ResolveInfo ri : list) { 11877 allHomeCandidates.add(ri); 11878 } 11879 } 11880 return (preferred == null || preferred.activityInfo == null) 11881 ? null 11882 : new ComponentName(preferred.activityInfo.packageName, 11883 preferred.activityInfo.name); 11884 } 11885 11886 @Override 11887 public void setApplicationEnabledSetting(String appPackageName, 11888 int newState, int flags, int userId, String callingPackage) { 11889 if (!sUserManager.exists(userId)) return; 11890 if (callingPackage == null) { 11891 callingPackage = Integer.toString(Binder.getCallingUid()); 11892 } 11893 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11894 } 11895 11896 @Override 11897 public void setComponentEnabledSetting(ComponentName componentName, 11898 int newState, int flags, int userId) { 11899 if (!sUserManager.exists(userId)) return; 11900 setEnabledSetting(componentName.getPackageName(), 11901 componentName.getClassName(), newState, flags, userId, null); 11902 } 11903 11904 private void setEnabledSetting(final String packageName, String className, int newState, 11905 final int flags, int userId, String callingPackage) { 11906 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11907 || newState == COMPONENT_ENABLED_STATE_ENABLED 11908 || newState == COMPONENT_ENABLED_STATE_DISABLED 11909 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11910 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11911 throw new IllegalArgumentException("Invalid new component state: " 11912 + newState); 11913 } 11914 PackageSetting pkgSetting; 11915 final int uid = Binder.getCallingUid(); 11916 final int permission = mContext.checkCallingOrSelfPermission( 11917 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11918 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11919 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11920 boolean sendNow = false; 11921 boolean isApp = (className == null); 11922 String componentName = isApp ? packageName : className; 11923 int packageUid = -1; 11924 ArrayList<String> components; 11925 11926 // writer 11927 synchronized (mPackages) { 11928 pkgSetting = mSettings.mPackages.get(packageName); 11929 if (pkgSetting == null) { 11930 if (className == null) { 11931 throw new IllegalArgumentException( 11932 "Unknown package: " + packageName); 11933 } 11934 throw new IllegalArgumentException( 11935 "Unknown component: " + packageName 11936 + "/" + className); 11937 } 11938 // Allow root and verify that userId is not being specified by a different user 11939 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11940 throw new SecurityException( 11941 "Permission Denial: attempt to change component state from pid=" 11942 + Binder.getCallingPid() 11943 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11944 } 11945 if (className == null) { 11946 // We're dealing with an application/package level state change 11947 if (pkgSetting.getEnabled(userId) == newState) { 11948 // Nothing to do 11949 return; 11950 } 11951 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11952 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11953 // Don't care about who enables an app. 11954 callingPackage = null; 11955 } 11956 pkgSetting.setEnabled(newState, userId, callingPackage); 11957 // pkgSetting.pkg.mSetEnabled = newState; 11958 } else { 11959 // We're dealing with a component level state change 11960 // First, verify that this is a valid class name. 11961 PackageParser.Package pkg = pkgSetting.pkg; 11962 if (pkg == null || !pkg.hasComponentClassName(className)) { 11963 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11964 throw new IllegalArgumentException("Component class " + className 11965 + " does not exist in " + packageName); 11966 } else { 11967 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11968 + className + " does not exist in " + packageName); 11969 } 11970 } 11971 switch (newState) { 11972 case COMPONENT_ENABLED_STATE_ENABLED: 11973 if (!pkgSetting.enableComponentLPw(className, userId)) { 11974 return; 11975 } 11976 break; 11977 case COMPONENT_ENABLED_STATE_DISABLED: 11978 if (!pkgSetting.disableComponentLPw(className, userId)) { 11979 return; 11980 } 11981 break; 11982 case COMPONENT_ENABLED_STATE_DEFAULT: 11983 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11984 return; 11985 } 11986 break; 11987 default: 11988 Slog.e(TAG, "Invalid new component state: " + newState); 11989 return; 11990 } 11991 } 11992 mSettings.writePackageRestrictionsLPr(userId); 11993 components = mPendingBroadcasts.get(userId, packageName); 11994 final boolean newPackage = components == null; 11995 if (newPackage) { 11996 components = new ArrayList<String>(); 11997 } 11998 if (!components.contains(componentName)) { 11999 components.add(componentName); 12000 } 12001 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12002 sendNow = true; 12003 // Purge entry from pending broadcast list if another one exists already 12004 // since we are sending one right away. 12005 mPendingBroadcasts.remove(userId, packageName); 12006 } else { 12007 if (newPackage) { 12008 mPendingBroadcasts.put(userId, packageName, components); 12009 } 12010 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12011 // Schedule a message 12012 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12013 } 12014 } 12015 } 12016 12017 long callingId = Binder.clearCallingIdentity(); 12018 try { 12019 if (sendNow) { 12020 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12021 sendPackageChangedBroadcast(packageName, 12022 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12023 } 12024 } finally { 12025 Binder.restoreCallingIdentity(callingId); 12026 } 12027 } 12028 12029 private void sendPackageChangedBroadcast(String packageName, 12030 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12031 if (DEBUG_INSTALL) 12032 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12033 + componentNames); 12034 Bundle extras = new Bundle(4); 12035 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12036 String nameList[] = new String[componentNames.size()]; 12037 componentNames.toArray(nameList); 12038 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12039 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12040 extras.putInt(Intent.EXTRA_UID, packageUid); 12041 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12042 new int[] {UserHandle.getUserId(packageUid)}); 12043 } 12044 12045 @Override 12046 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12047 if (!sUserManager.exists(userId)) return; 12048 final int uid = Binder.getCallingUid(); 12049 final int permission = mContext.checkCallingOrSelfPermission( 12050 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12051 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12052 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12053 // writer 12054 synchronized (mPackages) { 12055 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12056 uid, userId)) { 12057 scheduleWritePackageRestrictionsLocked(userId); 12058 } 12059 } 12060 } 12061 12062 @Override 12063 public String getInstallerPackageName(String packageName) { 12064 // reader 12065 synchronized (mPackages) { 12066 return mSettings.getInstallerPackageNameLPr(packageName); 12067 } 12068 } 12069 12070 @Override 12071 public int getApplicationEnabledSetting(String packageName, int userId) { 12072 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12073 int uid = Binder.getCallingUid(); 12074 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12075 // reader 12076 synchronized (mPackages) { 12077 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12078 } 12079 } 12080 12081 @Override 12082 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12083 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12084 int uid = Binder.getCallingUid(); 12085 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12086 // reader 12087 synchronized (mPackages) { 12088 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12089 } 12090 } 12091 12092 @Override 12093 public void enterSafeMode() { 12094 enforceSystemOrRoot("Only the system can request entering safe mode"); 12095 12096 if (!mSystemReady) { 12097 mSafeMode = true; 12098 } 12099 } 12100 12101 @Override 12102 public void systemReady() { 12103 mSystemReady = true; 12104 12105 // Read the compatibilty setting when the system is ready. 12106 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12107 mContext.getContentResolver(), 12108 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12109 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12110 if (DEBUG_SETTINGS) { 12111 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12112 } 12113 12114 synchronized (mPackages) { 12115 // Verify that all of the preferred activity components actually 12116 // exist. It is possible for applications to be updated and at 12117 // that point remove a previously declared activity component that 12118 // had been set as a preferred activity. We try to clean this up 12119 // the next time we encounter that preferred activity, but it is 12120 // possible for the user flow to never be able to return to that 12121 // situation so here we do a sanity check to make sure we haven't 12122 // left any junk around. 12123 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12124 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12125 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12126 removed.clear(); 12127 for (PreferredActivity pa : pir.filterSet()) { 12128 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12129 removed.add(pa); 12130 } 12131 } 12132 if (removed.size() > 0) { 12133 for (int r=0; r<removed.size(); r++) { 12134 PreferredActivity pa = removed.get(r); 12135 Slog.w(TAG, "Removing dangling preferred activity: " 12136 + pa.mPref.mComponent); 12137 pir.removeFilter(pa); 12138 } 12139 mSettings.writePackageRestrictionsLPr( 12140 mSettings.mPreferredActivities.keyAt(i)); 12141 } 12142 } 12143 } 12144 sUserManager.systemReady(); 12145 12146 // Kick off any messages waiting for system ready 12147 if (mPostSystemReadyMessages != null) { 12148 for (Message msg : mPostSystemReadyMessages) { 12149 msg.sendToTarget(); 12150 } 12151 mPostSystemReadyMessages = null; 12152 } 12153 } 12154 12155 @Override 12156 public boolean isSafeMode() { 12157 return mSafeMode; 12158 } 12159 12160 @Override 12161 public boolean hasSystemUidErrors() { 12162 return mHasSystemUidErrors; 12163 } 12164 12165 static String arrayToString(int[] array) { 12166 StringBuffer buf = new StringBuffer(128); 12167 buf.append('['); 12168 if (array != null) { 12169 for (int i=0; i<array.length; i++) { 12170 if (i > 0) buf.append(", "); 12171 buf.append(array[i]); 12172 } 12173 } 12174 buf.append(']'); 12175 return buf.toString(); 12176 } 12177 12178 static class DumpState { 12179 public static final int DUMP_LIBS = 1 << 0; 12180 public static final int DUMP_FEATURES = 1 << 1; 12181 public static final int DUMP_RESOLVERS = 1 << 2; 12182 public static final int DUMP_PERMISSIONS = 1 << 3; 12183 public static final int DUMP_PACKAGES = 1 << 4; 12184 public static final int DUMP_SHARED_USERS = 1 << 5; 12185 public static final int DUMP_MESSAGES = 1 << 6; 12186 public static final int DUMP_PROVIDERS = 1 << 7; 12187 public static final int DUMP_VERIFIERS = 1 << 8; 12188 public static final int DUMP_PREFERRED = 1 << 9; 12189 public static final int DUMP_PREFERRED_XML = 1 << 10; 12190 public static final int DUMP_KEYSETS = 1 << 11; 12191 public static final int DUMP_VERSION = 1 << 12; 12192 public static final int DUMP_INSTALLS = 1 << 13; 12193 12194 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12195 12196 private int mTypes; 12197 12198 private int mOptions; 12199 12200 private boolean mTitlePrinted; 12201 12202 private SharedUserSetting mSharedUser; 12203 12204 public boolean isDumping(int type) { 12205 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12206 return true; 12207 } 12208 12209 return (mTypes & type) != 0; 12210 } 12211 12212 public void setDump(int type) { 12213 mTypes |= type; 12214 } 12215 12216 public boolean isOptionEnabled(int option) { 12217 return (mOptions & option) != 0; 12218 } 12219 12220 public void setOptionEnabled(int option) { 12221 mOptions |= option; 12222 } 12223 12224 public boolean onTitlePrinted() { 12225 final boolean printed = mTitlePrinted; 12226 mTitlePrinted = true; 12227 return printed; 12228 } 12229 12230 public boolean getTitlePrinted() { 12231 return mTitlePrinted; 12232 } 12233 12234 public void setTitlePrinted(boolean enabled) { 12235 mTitlePrinted = enabled; 12236 } 12237 12238 public SharedUserSetting getSharedUser() { 12239 return mSharedUser; 12240 } 12241 12242 public void setSharedUser(SharedUserSetting user) { 12243 mSharedUser = user; 12244 } 12245 } 12246 12247 @Override 12248 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12249 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12250 != PackageManager.PERMISSION_GRANTED) { 12251 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12252 + Binder.getCallingPid() 12253 + ", uid=" + Binder.getCallingUid() 12254 + " without permission " 12255 + android.Manifest.permission.DUMP); 12256 return; 12257 } 12258 12259 DumpState dumpState = new DumpState(); 12260 boolean fullPreferred = false; 12261 boolean checkin = false; 12262 12263 String packageName = null; 12264 12265 int opti = 0; 12266 while (opti < args.length) { 12267 String opt = args[opti]; 12268 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12269 break; 12270 } 12271 opti++; 12272 12273 if ("-a".equals(opt)) { 12274 // Right now we only know how to print all. 12275 } else if ("-h".equals(opt)) { 12276 pw.println("Package manager dump options:"); 12277 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12278 pw.println(" --checkin: dump for a checkin"); 12279 pw.println(" -f: print details of intent filters"); 12280 pw.println(" -h: print this help"); 12281 pw.println(" cmd may be one of:"); 12282 pw.println(" l[ibraries]: list known shared libraries"); 12283 pw.println(" f[ibraries]: list device features"); 12284 pw.println(" k[eysets]: print known keysets"); 12285 pw.println(" r[esolvers]: dump intent resolvers"); 12286 pw.println(" perm[issions]: dump permissions"); 12287 pw.println(" pref[erred]: print preferred package settings"); 12288 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12289 pw.println(" prov[iders]: dump content providers"); 12290 pw.println(" p[ackages]: dump installed packages"); 12291 pw.println(" s[hared-users]: dump shared user IDs"); 12292 pw.println(" m[essages]: print collected runtime messages"); 12293 pw.println(" v[erifiers]: print package verifier info"); 12294 pw.println(" version: print database version info"); 12295 pw.println(" write: write current settings now"); 12296 pw.println(" <package.name>: info about given package"); 12297 pw.println(" installs: details about install sessions"); 12298 return; 12299 } else if ("--checkin".equals(opt)) { 12300 checkin = true; 12301 } else if ("-f".equals(opt)) { 12302 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12303 } else { 12304 pw.println("Unknown argument: " + opt + "; use -h for help"); 12305 } 12306 } 12307 12308 // Is the caller requesting to dump a particular piece of data? 12309 if (opti < args.length) { 12310 String cmd = args[opti]; 12311 opti++; 12312 // Is this a package name? 12313 if ("android".equals(cmd) || cmd.contains(".")) { 12314 packageName = cmd; 12315 // When dumping a single package, we always dump all of its 12316 // filter information since the amount of data will be reasonable. 12317 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12318 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12319 dumpState.setDump(DumpState.DUMP_LIBS); 12320 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12321 dumpState.setDump(DumpState.DUMP_FEATURES); 12322 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12323 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12324 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12325 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12326 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12327 dumpState.setDump(DumpState.DUMP_PREFERRED); 12328 } else if ("preferred-xml".equals(cmd)) { 12329 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12330 if (opti < args.length && "--full".equals(args[opti])) { 12331 fullPreferred = true; 12332 opti++; 12333 } 12334 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12335 dumpState.setDump(DumpState.DUMP_PACKAGES); 12336 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12337 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12338 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12339 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12340 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12341 dumpState.setDump(DumpState.DUMP_MESSAGES); 12342 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12343 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12344 } else if ("version".equals(cmd)) { 12345 dumpState.setDump(DumpState.DUMP_VERSION); 12346 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12347 dumpState.setDump(DumpState.DUMP_KEYSETS); 12348 } else if ("installs".equals(cmd)) { 12349 dumpState.setDump(DumpState.DUMP_INSTALLS); 12350 } else if ("write".equals(cmd)) { 12351 synchronized (mPackages) { 12352 mSettings.writeLPr(); 12353 pw.println("Settings written."); 12354 return; 12355 } 12356 } 12357 } 12358 12359 if (checkin) { 12360 pw.println("vers,1"); 12361 } 12362 12363 // reader 12364 synchronized (mPackages) { 12365 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12366 if (!checkin) { 12367 if (dumpState.onTitlePrinted()) 12368 pw.println(); 12369 pw.println("Database versions:"); 12370 pw.print(" SDK Version:"); 12371 pw.print(" internal="); 12372 pw.print(mSettings.mInternalSdkPlatform); 12373 pw.print(" external="); 12374 pw.println(mSettings.mExternalSdkPlatform); 12375 pw.print(" DB Version:"); 12376 pw.print(" internal="); 12377 pw.print(mSettings.mInternalDatabaseVersion); 12378 pw.print(" external="); 12379 pw.println(mSettings.mExternalDatabaseVersion); 12380 } 12381 } 12382 12383 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12384 if (!checkin) { 12385 if (dumpState.onTitlePrinted()) 12386 pw.println(); 12387 pw.println("Verifiers:"); 12388 pw.print(" Required: "); 12389 pw.print(mRequiredVerifierPackage); 12390 pw.print(" (uid="); 12391 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12392 pw.println(")"); 12393 } else if (mRequiredVerifierPackage != null) { 12394 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12395 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12396 } 12397 } 12398 12399 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12400 boolean printedHeader = false; 12401 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12402 while (it.hasNext()) { 12403 String name = it.next(); 12404 SharedLibraryEntry ent = mSharedLibraries.get(name); 12405 if (!checkin) { 12406 if (!printedHeader) { 12407 if (dumpState.onTitlePrinted()) 12408 pw.println(); 12409 pw.println("Libraries:"); 12410 printedHeader = true; 12411 } 12412 pw.print(" "); 12413 } else { 12414 pw.print("lib,"); 12415 } 12416 pw.print(name); 12417 if (!checkin) { 12418 pw.print(" -> "); 12419 } 12420 if (ent.path != null) { 12421 if (!checkin) { 12422 pw.print("(jar) "); 12423 pw.print(ent.path); 12424 } else { 12425 pw.print(",jar,"); 12426 pw.print(ent.path); 12427 } 12428 } else { 12429 if (!checkin) { 12430 pw.print("(apk) "); 12431 pw.print(ent.apk); 12432 } else { 12433 pw.print(",apk,"); 12434 pw.print(ent.apk); 12435 } 12436 } 12437 pw.println(); 12438 } 12439 } 12440 12441 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12442 if (dumpState.onTitlePrinted()) 12443 pw.println(); 12444 if (!checkin) { 12445 pw.println("Features:"); 12446 } 12447 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12448 while (it.hasNext()) { 12449 String name = it.next(); 12450 if (!checkin) { 12451 pw.print(" "); 12452 } else { 12453 pw.print("feat,"); 12454 } 12455 pw.println(name); 12456 } 12457 } 12458 12459 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12460 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12461 : "Activity Resolver Table:", " ", packageName, 12462 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12463 dumpState.setTitlePrinted(true); 12464 } 12465 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12466 : "Receiver Resolver Table:", " ", packageName, 12467 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12468 dumpState.setTitlePrinted(true); 12469 } 12470 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12471 : "Service Resolver Table:", " ", packageName, 12472 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12473 dumpState.setTitlePrinted(true); 12474 } 12475 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12476 : "Provider Resolver Table:", " ", packageName, 12477 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12478 dumpState.setTitlePrinted(true); 12479 } 12480 } 12481 12482 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12483 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12484 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12485 int user = mSettings.mPreferredActivities.keyAt(i); 12486 if (pir.dump(pw, 12487 dumpState.getTitlePrinted() 12488 ? "\nPreferred Activities User " + user + ":" 12489 : "Preferred Activities User " + user + ":", " ", 12490 packageName, true)) { 12491 dumpState.setTitlePrinted(true); 12492 } 12493 } 12494 } 12495 12496 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12497 pw.flush(); 12498 FileOutputStream fout = new FileOutputStream(fd); 12499 BufferedOutputStream str = new BufferedOutputStream(fout); 12500 XmlSerializer serializer = new FastXmlSerializer(); 12501 try { 12502 serializer.setOutput(str, "utf-8"); 12503 serializer.startDocument(null, true); 12504 serializer.setFeature( 12505 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12506 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12507 serializer.endDocument(); 12508 serializer.flush(); 12509 } catch (IllegalArgumentException e) { 12510 pw.println("Failed writing: " + e); 12511 } catch (IllegalStateException e) { 12512 pw.println("Failed writing: " + e); 12513 } catch (IOException e) { 12514 pw.println("Failed writing: " + e); 12515 } 12516 } 12517 12518 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12519 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12520 if (packageName == null) { 12521 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12522 if (iperm == 0) { 12523 if (dumpState.onTitlePrinted()) 12524 pw.println(); 12525 pw.println("AppOp Permissions:"); 12526 } 12527 pw.print(" AppOp Permission "); 12528 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12529 pw.println(":"); 12530 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12531 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12532 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12533 } 12534 } 12535 } 12536 } 12537 12538 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12539 boolean printedSomething = false; 12540 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12541 if (packageName != null && !packageName.equals(p.info.packageName)) { 12542 continue; 12543 } 12544 if (!printedSomething) { 12545 if (dumpState.onTitlePrinted()) 12546 pw.println(); 12547 pw.println("Registered ContentProviders:"); 12548 printedSomething = true; 12549 } 12550 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12551 pw.print(" "); pw.println(p.toString()); 12552 } 12553 printedSomething = false; 12554 for (Map.Entry<String, PackageParser.Provider> entry : 12555 mProvidersByAuthority.entrySet()) { 12556 PackageParser.Provider p = entry.getValue(); 12557 if (packageName != null && !packageName.equals(p.info.packageName)) { 12558 continue; 12559 } 12560 if (!printedSomething) { 12561 if (dumpState.onTitlePrinted()) 12562 pw.println(); 12563 pw.println("ContentProvider Authorities:"); 12564 printedSomething = true; 12565 } 12566 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12567 pw.print(" "); pw.println(p.toString()); 12568 if (p.info != null && p.info.applicationInfo != null) { 12569 final String appInfo = p.info.applicationInfo.toString(); 12570 pw.print(" applicationInfo="); pw.println(appInfo); 12571 } 12572 } 12573 } 12574 12575 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12576 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12577 } 12578 12579 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12580 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12581 } 12582 12583 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12584 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12585 } 12586 12587 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12588 // XXX should handle packageName != null by dumping only install data that 12589 // the given package is involved with. 12590 if (dumpState.onTitlePrinted()) pw.println(); 12591 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12592 } 12593 12594 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12595 if (dumpState.onTitlePrinted()) pw.println(); 12596 mSettings.dumpReadMessagesLPr(pw, dumpState); 12597 12598 pw.println(); 12599 pw.println("Package warning messages:"); 12600 final File fname = getSettingsProblemFile(); 12601 FileInputStream in = null; 12602 try { 12603 in = new FileInputStream(fname); 12604 final int avail = in.available(); 12605 final byte[] data = new byte[avail]; 12606 in.read(data); 12607 pw.print(new String(data)); 12608 } catch (FileNotFoundException e) { 12609 } catch (IOException e) { 12610 } finally { 12611 if (in != null) { 12612 try { 12613 in.close(); 12614 } catch (IOException e) { 12615 } 12616 } 12617 } 12618 } 12619 12620 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12621 BufferedReader in = null; 12622 String line = null; 12623 try { 12624 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12625 while ((line = in.readLine()) != null) { 12626 pw.print("msg,"); 12627 pw.println(line); 12628 } 12629 } catch (IOException ignored) { 12630 } finally { 12631 IoUtils.closeQuietly(in); 12632 } 12633 } 12634 } 12635 } 12636 12637 // ------- apps on sdcard specific code ------- 12638 static final boolean DEBUG_SD_INSTALL = false; 12639 12640 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12641 12642 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12643 12644 private boolean mMediaMounted = false; 12645 12646 static String getEncryptKey() { 12647 try { 12648 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12649 SD_ENCRYPTION_KEYSTORE_NAME); 12650 if (sdEncKey == null) { 12651 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12652 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12653 if (sdEncKey == null) { 12654 Slog.e(TAG, "Failed to create encryption keys"); 12655 return null; 12656 } 12657 } 12658 return sdEncKey; 12659 } catch (NoSuchAlgorithmException nsae) { 12660 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12661 return null; 12662 } catch (IOException ioe) { 12663 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12664 return null; 12665 } 12666 } 12667 12668 /* 12669 * Update media status on PackageManager. 12670 */ 12671 @Override 12672 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12673 int callingUid = Binder.getCallingUid(); 12674 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12675 throw new SecurityException("Media status can only be updated by the system"); 12676 } 12677 // reader; this apparently protects mMediaMounted, but should probably 12678 // be a different lock in that case. 12679 synchronized (mPackages) { 12680 Log.i(TAG, "Updating external media status from " 12681 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12682 + (mediaStatus ? "mounted" : "unmounted")); 12683 if (DEBUG_SD_INSTALL) 12684 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12685 + ", mMediaMounted=" + mMediaMounted); 12686 if (mediaStatus == mMediaMounted) { 12687 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12688 : 0, -1); 12689 mHandler.sendMessage(msg); 12690 return; 12691 } 12692 mMediaMounted = mediaStatus; 12693 } 12694 // Queue up an async operation since the package installation may take a 12695 // little while. 12696 mHandler.post(new Runnable() { 12697 public void run() { 12698 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12699 } 12700 }); 12701 } 12702 12703 /** 12704 * Called by MountService when the initial ASECs to scan are available. 12705 * Should block until all the ASEC containers are finished being scanned. 12706 */ 12707 public void scanAvailableAsecs() { 12708 updateExternalMediaStatusInner(true, false, false); 12709 if (mShouldRestoreconData) { 12710 SELinuxMMAC.setRestoreconDone(); 12711 mShouldRestoreconData = false; 12712 } 12713 } 12714 12715 /* 12716 * Collect information of applications on external media, map them against 12717 * existing containers and update information based on current mount status. 12718 * Please note that we always have to report status if reportStatus has been 12719 * set to true especially when unloading packages. 12720 */ 12721 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12722 boolean externalStorage) { 12723 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12724 int[] uidArr = EmptyArray.INT; 12725 12726 final String[] list = PackageHelper.getSecureContainerList(); 12727 if (ArrayUtils.isEmpty(list)) { 12728 Log.i(TAG, "No secure containers found"); 12729 } else { 12730 // Process list of secure containers and categorize them 12731 // as active or stale based on their package internal state. 12732 12733 // reader 12734 synchronized (mPackages) { 12735 for (String cid : list) { 12736 // Leave stages untouched for now; installer service owns them 12737 if (PackageInstallerService.isStageName(cid)) continue; 12738 12739 if (DEBUG_SD_INSTALL) 12740 Log.i(TAG, "Processing container " + cid); 12741 String pkgName = getAsecPackageName(cid); 12742 if (pkgName == null) { 12743 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12744 continue; 12745 } 12746 if (DEBUG_SD_INSTALL) 12747 Log.i(TAG, "Looking for pkg : " + pkgName); 12748 12749 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12750 if (ps == null) { 12751 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12752 continue; 12753 } 12754 12755 /* 12756 * Skip packages that are not external if we're unmounting 12757 * external storage. 12758 */ 12759 if (externalStorage && !isMounted && !isExternal(ps)) { 12760 continue; 12761 } 12762 12763 final AsecInstallArgs args = new AsecInstallArgs(cid, 12764 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12765 // The package status is changed only if the code path 12766 // matches between settings and the container id. 12767 if (ps.codePathString != null 12768 && ps.codePathString.startsWith(args.getCodePath())) { 12769 if (DEBUG_SD_INSTALL) { 12770 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12771 + " at code path: " + ps.codePathString); 12772 } 12773 12774 // We do have a valid package installed on sdcard 12775 processCids.put(args, ps.codePathString); 12776 final int uid = ps.appId; 12777 if (uid != -1) { 12778 uidArr = ArrayUtils.appendInt(uidArr, uid); 12779 } 12780 } else { 12781 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12782 + ps.codePathString); 12783 } 12784 } 12785 } 12786 12787 Arrays.sort(uidArr); 12788 } 12789 12790 // Process packages with valid entries. 12791 if (isMounted) { 12792 if (DEBUG_SD_INSTALL) 12793 Log.i(TAG, "Loading packages"); 12794 loadMediaPackages(processCids, uidArr); 12795 startCleaningPackages(); 12796 mInstallerService.onSecureContainersAvailable(); 12797 } else { 12798 if (DEBUG_SD_INSTALL) 12799 Log.i(TAG, "Unloading packages"); 12800 unloadMediaPackages(processCids, uidArr, reportStatus); 12801 } 12802 } 12803 12804 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12805 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12806 int size = pkgList.size(); 12807 if (size > 0) { 12808 // Send broadcasts here 12809 Bundle extras = new Bundle(); 12810 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12811 .toArray(new String[size])); 12812 if (uidArr != null) { 12813 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12814 } 12815 if (replacing) { 12816 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12817 } 12818 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12819 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12820 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12821 } 12822 } 12823 12824 /* 12825 * Look at potentially valid container ids from processCids If package 12826 * information doesn't match the one on record or package scanning fails, 12827 * the cid is added to list of removeCids. We currently don't delete stale 12828 * containers. 12829 */ 12830 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12831 ArrayList<String> pkgList = new ArrayList<String>(); 12832 Set<AsecInstallArgs> keys = processCids.keySet(); 12833 12834 for (AsecInstallArgs args : keys) { 12835 String codePath = processCids.get(args); 12836 if (DEBUG_SD_INSTALL) 12837 Log.i(TAG, "Loading container : " + args.cid); 12838 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12839 try { 12840 // Make sure there are no container errors first. 12841 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12842 Slog.e(TAG, "Failed to mount cid : " + args.cid 12843 + " when installing from sdcard"); 12844 continue; 12845 } 12846 // Check code path here. 12847 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12848 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12849 + " does not match one in settings " + codePath); 12850 continue; 12851 } 12852 // Parse package 12853 int parseFlags = mDefParseFlags; 12854 if (args.isExternal()) { 12855 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12856 } 12857 if (args.isFwdLocked()) { 12858 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12859 } 12860 12861 synchronized (mInstallLock) { 12862 PackageParser.Package pkg = null; 12863 try { 12864 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12865 } catch (PackageManagerException e) { 12866 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12867 } 12868 // Scan the package 12869 if (pkg != null) { 12870 /* 12871 * TODO why is the lock being held? doPostInstall is 12872 * called in other places without the lock. This needs 12873 * to be straightened out. 12874 */ 12875 // writer 12876 synchronized (mPackages) { 12877 retCode = PackageManager.INSTALL_SUCCEEDED; 12878 pkgList.add(pkg.packageName); 12879 // Post process args 12880 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12881 pkg.applicationInfo.uid); 12882 } 12883 } else { 12884 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12885 } 12886 } 12887 12888 } finally { 12889 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12890 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12891 } 12892 } 12893 } 12894 // writer 12895 synchronized (mPackages) { 12896 // If the platform SDK has changed since the last time we booted, 12897 // we need to re-grant app permission to catch any new ones that 12898 // appear. This is really a hack, and means that apps can in some 12899 // cases get permissions that the user didn't initially explicitly 12900 // allow... it would be nice to have some better way to handle 12901 // this situation. 12902 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12903 if (regrantPermissions) 12904 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12905 + mSdkVersion + "; regranting permissions for external storage"); 12906 mSettings.mExternalSdkPlatform = mSdkVersion; 12907 12908 // Make sure group IDs have been assigned, and any permission 12909 // changes in other apps are accounted for 12910 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12911 | (regrantPermissions 12912 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12913 : 0)); 12914 12915 mSettings.updateExternalDatabaseVersion(); 12916 12917 // can downgrade to reader 12918 // Persist settings 12919 mSettings.writeLPr(); 12920 } 12921 // Send a broadcast to let everyone know we are done processing 12922 if (pkgList.size() > 0) { 12923 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12924 } 12925 } 12926 12927 /* 12928 * Utility method to unload a list of specified containers 12929 */ 12930 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12931 // Just unmount all valid containers. 12932 for (AsecInstallArgs arg : cidArgs) { 12933 synchronized (mInstallLock) { 12934 arg.doPostDeleteLI(false); 12935 } 12936 } 12937 } 12938 12939 /* 12940 * Unload packages mounted on external media. This involves deleting package 12941 * data from internal structures, sending broadcasts about diabled packages, 12942 * gc'ing to free up references, unmounting all secure containers 12943 * corresponding to packages on external media, and posting a 12944 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12945 * that we always have to post this message if status has been requested no 12946 * matter what. 12947 */ 12948 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12949 final boolean reportStatus) { 12950 if (DEBUG_SD_INSTALL) 12951 Log.i(TAG, "unloading media packages"); 12952 ArrayList<String> pkgList = new ArrayList<String>(); 12953 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12954 final Set<AsecInstallArgs> keys = processCids.keySet(); 12955 for (AsecInstallArgs args : keys) { 12956 String pkgName = args.getPackageName(); 12957 if (DEBUG_SD_INSTALL) 12958 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12959 // Delete package internally 12960 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12961 synchronized (mInstallLock) { 12962 boolean res = deletePackageLI(pkgName, null, false, null, null, 12963 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12964 if (res) { 12965 pkgList.add(pkgName); 12966 } else { 12967 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12968 failedList.add(args); 12969 } 12970 } 12971 } 12972 12973 // reader 12974 synchronized (mPackages) { 12975 // We didn't update the settings after removing each package; 12976 // write them now for all packages. 12977 mSettings.writeLPr(); 12978 } 12979 12980 // We have to absolutely send UPDATED_MEDIA_STATUS only 12981 // after confirming that all the receivers processed the ordered 12982 // broadcast when packages get disabled, force a gc to clean things up. 12983 // and unload all the containers. 12984 if (pkgList.size() > 0) { 12985 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12986 new IIntentReceiver.Stub() { 12987 public void performReceive(Intent intent, int resultCode, String data, 12988 Bundle extras, boolean ordered, boolean sticky, 12989 int sendingUser) throws RemoteException { 12990 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12991 reportStatus ? 1 : 0, 1, keys); 12992 mHandler.sendMessage(msg); 12993 } 12994 }); 12995 } else { 12996 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12997 keys); 12998 mHandler.sendMessage(msg); 12999 } 13000 } 13001 13002 /** Binder call */ 13003 @Override 13004 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13005 final int flags) { 13006 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13007 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13008 int returnCode = PackageManager.MOVE_SUCCEEDED; 13009 int currInstallFlags = 0; 13010 int newInstallFlags = 0; 13011 13012 File codeFile = null; 13013 String installerPackageName = null; 13014 String packageAbiOverride = null; 13015 13016 // reader 13017 synchronized (mPackages) { 13018 final PackageParser.Package pkg = mPackages.get(packageName); 13019 final PackageSetting ps = mSettings.mPackages.get(packageName); 13020 if (pkg == null || ps == null) { 13021 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13022 } else { 13023 // Disable moving fwd locked apps and system packages 13024 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13025 Slog.w(TAG, "Cannot move system application"); 13026 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13027 } else if (pkg.mOperationPending) { 13028 Slog.w(TAG, "Attempt to move package which has pending operations"); 13029 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13030 } else { 13031 // Find install location first 13032 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13033 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13034 Slog.w(TAG, "Ambigous flags specified for move location."); 13035 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13036 } else { 13037 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13038 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13039 currInstallFlags = isExternal(pkg) 13040 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13041 13042 if (newInstallFlags == currInstallFlags) { 13043 Slog.w(TAG, "No move required. Trying to move to same location"); 13044 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13045 } else { 13046 if (isForwardLocked(pkg)) { 13047 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13048 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13049 } 13050 } 13051 } 13052 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13053 pkg.mOperationPending = true; 13054 } 13055 } 13056 13057 codeFile = new File(pkg.codePath); 13058 installerPackageName = ps.installerPackageName; 13059 packageAbiOverride = ps.cpuAbiOverrideString; 13060 } 13061 } 13062 13063 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13064 try { 13065 observer.packageMoved(packageName, returnCode); 13066 } catch (RemoteException ignored) { 13067 } 13068 return; 13069 } 13070 13071 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13072 @Override 13073 public void onUserActionRequired(Intent intent) throws RemoteException { 13074 throw new IllegalStateException(); 13075 } 13076 13077 @Override 13078 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13079 Bundle extras) throws RemoteException { 13080 Slog.d(TAG, "Install result for move: " 13081 + PackageManager.installStatusToString(returnCode, msg)); 13082 13083 // We usually have a new package now after the install, but if 13084 // we failed we need to clear the pending flag on the original 13085 // package object. 13086 synchronized (mPackages) { 13087 final PackageParser.Package pkg = mPackages.get(packageName); 13088 if (pkg != null) { 13089 pkg.mOperationPending = false; 13090 } 13091 } 13092 13093 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13094 switch (status) { 13095 case PackageInstaller.STATUS_SUCCESS: 13096 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13097 break; 13098 case PackageInstaller.STATUS_FAILURE_STORAGE: 13099 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13100 break; 13101 default: 13102 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13103 break; 13104 } 13105 } 13106 }; 13107 13108 // Treat a move like reinstalling an existing app, which ensures that we 13109 // process everythign uniformly, like unpacking native libraries. 13110 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13111 13112 final Message msg = mHandler.obtainMessage(INIT_COPY); 13113 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13114 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13115 installerPackageName, null, user, packageAbiOverride); 13116 mHandler.sendMessage(msg); 13117 } 13118 13119 @Override 13120 public boolean setInstallLocation(int loc) { 13121 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13122 null); 13123 if (getInstallLocation() == loc) { 13124 return true; 13125 } 13126 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13127 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13128 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13129 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13130 return true; 13131 } 13132 return false; 13133 } 13134 13135 @Override 13136 public int getInstallLocation() { 13137 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13138 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13139 PackageHelper.APP_INSTALL_AUTO); 13140 } 13141 13142 /** Called by UserManagerService */ 13143 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13144 mDirtyUsers.remove(userHandle); 13145 mSettings.removeUserLPw(userHandle); 13146 mPendingBroadcasts.remove(userHandle); 13147 if (mInstaller != null) { 13148 // Technically, we shouldn't be doing this with the package lock 13149 // held. However, this is very rare, and there is already so much 13150 // other disk I/O going on, that we'll let it slide for now. 13151 mInstaller.removeUserDataDirs(userHandle); 13152 } 13153 mUserNeedsBadging.delete(userHandle); 13154 removeUnusedPackagesLILPw(userManager, userHandle); 13155 } 13156 13157 /** 13158 * We're removing userHandle and would like to remove any downloaded packages 13159 * that are no longer in use by any other user. 13160 * @param userHandle the user being removed 13161 */ 13162 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13163 final boolean DEBUG_CLEAN_APKS = false; 13164 int [] users = userManager.getUserIdsLPr(); 13165 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13166 while (psit.hasNext()) { 13167 PackageSetting ps = psit.next(); 13168 if (ps.pkg == null) { 13169 continue; 13170 } 13171 final String packageName = ps.pkg.packageName; 13172 // Skip over if system app 13173 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13174 continue; 13175 } 13176 if (DEBUG_CLEAN_APKS) { 13177 Slog.i(TAG, "Checking package " + packageName); 13178 } 13179 boolean keep = false; 13180 for (int i = 0; i < users.length; i++) { 13181 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13182 keep = true; 13183 if (DEBUG_CLEAN_APKS) { 13184 Slog.i(TAG, " Keeping package " + packageName + " for user " 13185 + users[i]); 13186 } 13187 break; 13188 } 13189 } 13190 if (!keep) { 13191 if (DEBUG_CLEAN_APKS) { 13192 Slog.i(TAG, " Removing package " + packageName); 13193 } 13194 mHandler.post(new Runnable() { 13195 public void run() { 13196 deletePackageX(packageName, userHandle, 0); 13197 } //end run 13198 }); 13199 } 13200 } 13201 } 13202 13203 /** Called by UserManagerService */ 13204 void createNewUserLILPw(int userHandle, File path) { 13205 if (mInstaller != null) { 13206 mInstaller.createUserConfig(userHandle); 13207 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13208 } 13209 } 13210 13211 @Override 13212 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13213 mContext.enforceCallingOrSelfPermission( 13214 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13215 "Only package verification agents can read the verifier device identity"); 13216 13217 synchronized (mPackages) { 13218 return mSettings.getVerifierDeviceIdentityLPw(); 13219 } 13220 } 13221 13222 @Override 13223 public void setPermissionEnforced(String permission, boolean enforced) { 13224 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13225 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13226 synchronized (mPackages) { 13227 if (mSettings.mReadExternalStorageEnforced == null 13228 || mSettings.mReadExternalStorageEnforced != enforced) { 13229 mSettings.mReadExternalStorageEnforced = enforced; 13230 mSettings.writeLPr(); 13231 } 13232 } 13233 // kill any non-foreground processes so we restart them and 13234 // grant/revoke the GID. 13235 final IActivityManager am = ActivityManagerNative.getDefault(); 13236 if (am != null) { 13237 final long token = Binder.clearCallingIdentity(); 13238 try { 13239 am.killProcessesBelowForeground("setPermissionEnforcement"); 13240 } catch (RemoteException e) { 13241 } finally { 13242 Binder.restoreCallingIdentity(token); 13243 } 13244 } 13245 } else { 13246 throw new IllegalArgumentException("No selective enforcement for " + permission); 13247 } 13248 } 13249 13250 @Override 13251 @Deprecated 13252 public boolean isPermissionEnforced(String permission) { 13253 return true; 13254 } 13255 13256 @Override 13257 public boolean isStorageLow() { 13258 final long token = Binder.clearCallingIdentity(); 13259 try { 13260 final DeviceStorageMonitorInternal 13261 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13262 if (dsm != null) { 13263 return dsm.isMemoryLow(); 13264 } else { 13265 return false; 13266 } 13267 } finally { 13268 Binder.restoreCallingIdentity(token); 13269 } 13270 } 13271 13272 @Override 13273 public IPackageInstaller getPackageInstaller() { 13274 return mInstallerService; 13275 } 13276 13277 private boolean userNeedsBadging(int userId) { 13278 int index = mUserNeedsBadging.indexOfKey(userId); 13279 if (index < 0) { 13280 final UserInfo userInfo; 13281 final long token = Binder.clearCallingIdentity(); 13282 try { 13283 userInfo = sUserManager.getUserInfo(userId); 13284 } finally { 13285 Binder.restoreCallingIdentity(token); 13286 } 13287 final boolean b; 13288 if (userInfo != null && userInfo.isManagedProfile()) { 13289 b = true; 13290 } else { 13291 b = false; 13292 } 13293 mUserNeedsBadging.put(userId, b); 13294 return b; 13295 } 13296 return mUserNeedsBadging.valueAt(index); 13297 } 13298 13299 @Override 13300 public KeySet getKeySetByAlias(String packageName, String alias) { 13301 if (packageName == null || alias == null) { 13302 return null; 13303 } 13304 synchronized(mPackages) { 13305 final PackageParser.Package pkg = mPackages.get(packageName); 13306 if (pkg == null) { 13307 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13308 throw new IllegalArgumentException("Unknown package: " + packageName); 13309 } 13310 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13311 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13312 } 13313 } 13314 13315 @Override 13316 public KeySet getSigningKeySet(String packageName) { 13317 if (packageName == null) { 13318 return null; 13319 } 13320 synchronized(mPackages) { 13321 final PackageParser.Package pkg = mPackages.get(packageName); 13322 if (pkg == null) { 13323 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13324 throw new IllegalArgumentException("Unknown package: " + packageName); 13325 } 13326 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13327 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13328 throw new SecurityException("May not access signing KeySet of other apps."); 13329 } 13330 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13331 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13332 } 13333 } 13334 13335 @Override 13336 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13337 if (packageName == null || ks == null) { 13338 return false; 13339 } 13340 synchronized(mPackages) { 13341 final PackageParser.Package pkg = mPackages.get(packageName); 13342 if (pkg == null) { 13343 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13344 throw new IllegalArgumentException("Unknown package: " + packageName); 13345 } 13346 IBinder ksh = ks.getToken(); 13347 if (ksh instanceof KeySetHandle) { 13348 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13349 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13350 } 13351 return false; 13352 } 13353 } 13354 13355 @Override 13356 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13357 if (packageName == null || ks == null) { 13358 return false; 13359 } 13360 synchronized(mPackages) { 13361 final PackageParser.Package pkg = mPackages.get(packageName); 13362 if (pkg == null) { 13363 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13364 throw new IllegalArgumentException("Unknown package: " + packageName); 13365 } 13366 IBinder ksh = ks.getToken(); 13367 if (ksh instanceof KeySetHandle) { 13368 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13369 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13370 } 13371 return false; 13372 } 13373 } 13374} 13375