PackageManagerService.java revision 2f577e83cbd5b12e47178a90443390210b446102
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 system apps that listen for pre boot complete. 4479 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4480 HashSet<String> pkgNames = getPackageNamesForIntent(intent); 4481 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4482 PackageParser.Package pkg = it.next(); 4483 if (pkgNames.contains(pkg.packageName)) { 4484 sortedPkgs.add(pkg); 4485 it.remove(); 4486 } 4487 } 4488 // Give priority to system apps. 4489 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4490 PackageParser.Package pkg = it.next(); 4491 if (isSystemApp(pkg)) { 4492 sortedPkgs.add(pkg); 4493 it.remove(); 4494 } 4495 } 4496 // Give priority to apps that listen for boot complete. 4497 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4498 pkgNames = getPackageNamesForIntent(intent); 4499 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4500 PackageParser.Package pkg = it.next(); 4501 if (pkgNames.contains(pkg.packageName)) { 4502 sortedPkgs.add(pkg); 4503 it.remove(); 4504 } 4505 } 4506 // Filter out packages that aren't recently used. 4507 filterRecentlyUsedApps(pkgs); 4508 // Add all remaining apps. 4509 for (PackageParser.Package pkg : pkgs) { 4510 sortedPkgs.add(pkg); 4511 } 4512 4513 int i = 0; 4514 int total = sortedPkgs.size(); 4515 for (PackageParser.Package pkg : sortedPkgs) { 4516 performBootDexOpt(pkg, ++i, total); 4517 } 4518 } 4519 } 4520 4521 private void filterRecentlyUsedApps(HashSet<PackageParser.Package> pkgs) { 4522 // Filter out packages that aren't recently used. 4523 // 4524 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4525 // should do a full dexopt. 4526 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4527 // TODO: add a property to control this? 4528 long dexOptLRUThresholdInMinutes; 4529 if (mLazyDexOpt) { 4530 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4531 } else { 4532 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4533 } 4534 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4535 4536 int total = pkgs.size(); 4537 int skipped = 0; 4538 long now = System.currentTimeMillis(); 4539 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4540 PackageParser.Package pkg = i.next(); 4541 long then = pkg.mLastPackageUsageTimeInMills; 4542 if (then + dexOptLRUThresholdInMills < now) { 4543 if (DEBUG_DEXOPT) { 4544 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4545 ((then == 0) ? "never" : new Date(then))); 4546 } 4547 i.remove(); 4548 skipped++; 4549 } 4550 } 4551 if (DEBUG_DEXOPT) { 4552 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4553 } 4554 } 4555 } 4556 4557 private HashSet<String> getPackageNamesForIntent(Intent intent) { 4558 List<ResolveInfo> ris = null; 4559 try { 4560 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4561 intent, null, 0, UserHandle.USER_OWNER); 4562 } catch (RemoteException e) { 4563 } 4564 HashSet<String> pkgNames = new HashSet<String>(); 4565 if (ris != null) { 4566 for (ResolveInfo ri : ris) { 4567 pkgNames.add(ri.activityInfo.packageName); 4568 } 4569 } 4570 return pkgNames; 4571 } 4572 4573 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4574 if (DEBUG_DEXOPT) { 4575 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4576 } 4577 if (!isFirstBoot()) { 4578 try { 4579 ActivityManagerNative.getDefault().showBootMessage( 4580 mContext.getResources().getString(R.string.android_upgrading_apk, 4581 curr, total), true); 4582 } catch (RemoteException e) { 4583 } 4584 } 4585 PackageParser.Package p = pkg; 4586 synchronized (mInstallLock) { 4587 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4588 false /* defer */, true /* include dependencies */); 4589 } 4590 } 4591 4592 @Override 4593 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4594 return performDexOpt(packageName, instructionSet, false); 4595 } 4596 4597 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4598 if (info.primaryCpuAbi == null) { 4599 return getPreferredInstructionSet(); 4600 } 4601 4602 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4603 } 4604 4605 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4606 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4607 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4608 if (!dexopt && !updateUsage) { 4609 // We aren't going to dexopt or update usage, so bail early. 4610 return false; 4611 } 4612 PackageParser.Package p; 4613 final String targetInstructionSet; 4614 synchronized (mPackages) { 4615 p = mPackages.get(packageName); 4616 if (p == null) { 4617 return false; 4618 } 4619 if (updateUsage) { 4620 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4621 } 4622 mPackageUsage.write(false); 4623 if (!dexopt) { 4624 // We aren't going to dexopt, so bail early. 4625 return false; 4626 } 4627 4628 targetInstructionSet = instructionSet != null ? instructionSet : 4629 getPrimaryInstructionSet(p.applicationInfo); 4630 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4631 return false; 4632 } 4633 } 4634 4635 synchronized (mInstallLock) { 4636 final String[] instructionSets = new String[] { targetInstructionSet }; 4637 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4638 true /* include dependencies */) == DEX_OPT_PERFORMED; 4639 } 4640 } 4641 4642 public HashSet<String> getPackagesThatNeedDexOpt() { 4643 HashSet<String> pkgs = null; 4644 synchronized (mPackages) { 4645 for (PackageParser.Package p : mPackages.values()) { 4646 if (DEBUG_DEXOPT) { 4647 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4648 } 4649 if (!p.mDexOptPerformed.isEmpty()) { 4650 continue; 4651 } 4652 if (pkgs == null) { 4653 pkgs = new HashSet<String>(); 4654 } 4655 pkgs.add(p.packageName); 4656 } 4657 } 4658 return pkgs; 4659 } 4660 4661 public void shutdown() { 4662 mPackageUsage.write(true); 4663 } 4664 4665 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4666 boolean forceDex, boolean defer, HashSet<String> done) { 4667 for (int i=0; i<libs.size(); i++) { 4668 PackageParser.Package libPkg; 4669 String libName; 4670 synchronized (mPackages) { 4671 libName = libs.get(i); 4672 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4673 if (lib != null && lib.apk != null) { 4674 libPkg = mPackages.get(lib.apk); 4675 } else { 4676 libPkg = null; 4677 } 4678 } 4679 if (libPkg != null && !done.contains(libName)) { 4680 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4681 } 4682 } 4683 } 4684 4685 static final int DEX_OPT_SKIPPED = 0; 4686 static final int DEX_OPT_PERFORMED = 1; 4687 static final int DEX_OPT_DEFERRED = 2; 4688 static final int DEX_OPT_FAILED = -1; 4689 4690 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4691 boolean forceDex, boolean defer, HashSet<String> done) { 4692 final String[] instructionSets = targetInstructionSets != null ? 4693 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4694 4695 if (done != null) { 4696 done.add(pkg.packageName); 4697 if (pkg.usesLibraries != null) { 4698 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4699 } 4700 if (pkg.usesOptionalLibraries != null) { 4701 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4702 } 4703 } 4704 4705 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4706 return DEX_OPT_SKIPPED; 4707 } 4708 4709 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4710 4711 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4712 boolean performedDexOpt = false; 4713 // There are three basic cases here: 4714 // 1.) we need to dexopt, either because we are forced or it is needed 4715 // 2.) we are defering a needed dexopt 4716 // 3.) we are skipping an unneeded dexopt 4717 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4718 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4719 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4720 continue; 4721 } 4722 4723 for (String path : paths) { 4724 try { 4725 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4726 // patckage or the one we find does not match the image checksum (i.e. it was 4727 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4728 // odex file and it matches the checksum of the image but not its base address, 4729 // meaning we need to move it. 4730 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4731 pkg.packageName, dexCodeInstructionSet, defer); 4732 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4733 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4734 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4735 + " vmSafeMode=" + vmSafeMode); 4736 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4737 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4738 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4739 4740 if (ret < 0) { 4741 // Don't bother running dexopt again if we failed, it will probably 4742 // just result in an error again. Also, don't bother dexopting for other 4743 // paths & ISAs. 4744 return DEX_OPT_FAILED; 4745 } 4746 4747 performedDexOpt = true; 4748 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4749 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4750 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4751 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4752 pkg.packageName, dexCodeInstructionSet); 4753 4754 if (ret < 0) { 4755 // Don't bother running patchoat again if we failed, it will probably 4756 // just result in an error again. Also, don't bother dexopting for other 4757 // paths & ISAs. 4758 return DEX_OPT_FAILED; 4759 } 4760 4761 performedDexOpt = true; 4762 } 4763 4764 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4765 // paths and instruction sets. We'll deal with them all together when we process 4766 // our list of deferred dexopts. 4767 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4768 if (mDeferredDexOpt == null) { 4769 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4770 } 4771 mDeferredDexOpt.add(pkg); 4772 return DEX_OPT_DEFERRED; 4773 } 4774 } catch (FileNotFoundException e) { 4775 Slog.w(TAG, "Apk not found for dexopt: " + path); 4776 return DEX_OPT_FAILED; 4777 } catch (IOException e) { 4778 Slog.w(TAG, "IOException reading apk: " + path, e); 4779 return DEX_OPT_FAILED; 4780 } catch (StaleDexCacheError e) { 4781 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4782 return DEX_OPT_FAILED; 4783 } catch (Exception e) { 4784 Slog.w(TAG, "Exception when doing dexopt : ", e); 4785 return DEX_OPT_FAILED; 4786 } 4787 } 4788 4789 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4790 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4791 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4792 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4793 // it. 4794 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4795 } 4796 4797 // If we've gotten here, we're sure that no error occurred and that we haven't 4798 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4799 // we've skipped all of them because they are up to date. In both cases this 4800 // package doesn't need dexopt any longer. 4801 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4802 } 4803 4804 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4805 if (info.primaryCpuAbi != null) { 4806 if (info.secondaryCpuAbi != null) { 4807 return new String[] { 4808 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4809 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4810 } else { 4811 return new String[] { 4812 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4813 } 4814 } 4815 4816 return new String[] { getPreferredInstructionSet() }; 4817 } 4818 4819 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4820 if (ps.primaryCpuAbiString != null) { 4821 if (ps.secondaryCpuAbiString != null) { 4822 return new String[] { 4823 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4824 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4825 } else { 4826 return new String[] { 4827 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4828 } 4829 } 4830 4831 return new String[] { getPreferredInstructionSet() }; 4832 } 4833 4834 private static String getPreferredInstructionSet() { 4835 if (sPreferredInstructionSet == null) { 4836 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4837 } 4838 4839 return sPreferredInstructionSet; 4840 } 4841 4842 private static List<String> getAllInstructionSets() { 4843 final String[] allAbis = Build.SUPPORTED_ABIS; 4844 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4845 4846 for (String abi : allAbis) { 4847 final String instructionSet = VMRuntime.getInstructionSet(abi); 4848 if (!allInstructionSets.contains(instructionSet)) { 4849 allInstructionSets.add(instructionSet); 4850 } 4851 } 4852 4853 return allInstructionSets; 4854 } 4855 4856 /** 4857 * Returns the instruction set that should be used to compile dex code. In the presence of 4858 * a native bridge this might be different than the one shared libraries use. 4859 */ 4860 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4861 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4862 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4863 } 4864 4865 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4866 HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length); 4867 for (String instructionSet : instructionSets) { 4868 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4869 } 4870 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4871 } 4872 4873 /** 4874 * Returns deduplicated list of supported instructions for dex code. 4875 */ 4876 public static String[] getAllDexCodeInstructionSets() { 4877 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4878 for (int i = 0; i < supportedInstructionSets.length; i++) { 4879 String abi = Build.SUPPORTED_ABIS[i]; 4880 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4881 } 4882 return getDexCodeInstructionSets(supportedInstructionSets); 4883 } 4884 4885 @Override 4886 public void forceDexOpt(String packageName) { 4887 enforceSystemOrRoot("forceDexOpt"); 4888 4889 PackageParser.Package pkg; 4890 synchronized (mPackages) { 4891 pkg = mPackages.get(packageName); 4892 if (pkg == null) { 4893 throw new IllegalArgumentException("Missing package: " + packageName); 4894 } 4895 } 4896 4897 synchronized (mInstallLock) { 4898 final String[] instructionSets = new String[] { 4899 getPrimaryInstructionSet(pkg.applicationInfo) }; 4900 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4901 if (res != DEX_OPT_PERFORMED) { 4902 throw new IllegalStateException("Failed to dexopt: " + res); 4903 } 4904 } 4905 } 4906 4907 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4908 boolean forceDex, boolean defer, boolean inclDependencies) { 4909 HashSet<String> done; 4910 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4911 done = new HashSet<String>(); 4912 done.add(pkg.packageName); 4913 } else { 4914 done = null; 4915 } 4916 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4917 } 4918 4919 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4920 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4921 Slog.w(TAG, "Unable to update from " + oldPkg.name 4922 + " to " + newPkg.packageName 4923 + ": old package not in system partition"); 4924 return false; 4925 } else if (mPackages.get(oldPkg.name) != null) { 4926 Slog.w(TAG, "Unable to update from " + oldPkg.name 4927 + " to " + newPkg.packageName 4928 + ": old package still exists"); 4929 return false; 4930 } 4931 return true; 4932 } 4933 4934 File getDataPathForUser(int userId) { 4935 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4936 } 4937 4938 private File getDataPathForPackage(String packageName, int userId) { 4939 /* 4940 * Until we fully support multiple users, return the directory we 4941 * previously would have. The PackageManagerTests will need to be 4942 * revised when this is changed back.. 4943 */ 4944 if (userId == 0) { 4945 return new File(mAppDataDir, packageName); 4946 } else { 4947 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4948 + File.separator + packageName); 4949 } 4950 } 4951 4952 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4953 int[] users = sUserManager.getUserIds(); 4954 int res = mInstaller.install(packageName, uid, uid, seinfo); 4955 if (res < 0) { 4956 return res; 4957 } 4958 for (int user : users) { 4959 if (user != 0) { 4960 res = mInstaller.createUserData(packageName, 4961 UserHandle.getUid(user, uid), user, seinfo); 4962 if (res < 0) { 4963 return res; 4964 } 4965 } 4966 } 4967 return res; 4968 } 4969 4970 private int removeDataDirsLI(String packageName) { 4971 int[] users = sUserManager.getUserIds(); 4972 int res = 0; 4973 for (int user : users) { 4974 int resInner = mInstaller.remove(packageName, user); 4975 if (resInner < 0) { 4976 res = resInner; 4977 } 4978 } 4979 4980 return res; 4981 } 4982 4983 private int deleteCodeCacheDirsLI(String packageName) { 4984 int[] users = sUserManager.getUserIds(); 4985 int res = 0; 4986 for (int user : users) { 4987 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4988 if (resInner < 0) { 4989 res = resInner; 4990 } 4991 } 4992 return res; 4993 } 4994 4995 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4996 PackageParser.Package changingLib) { 4997 if (file.path != null) { 4998 usesLibraryFiles.add(file.path); 4999 return; 5000 } 5001 PackageParser.Package p = mPackages.get(file.apk); 5002 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5003 // If we are doing this while in the middle of updating a library apk, 5004 // then we need to make sure to use that new apk for determining the 5005 // dependencies here. (We haven't yet finished committing the new apk 5006 // to the package manager state.) 5007 if (p == null || p.packageName.equals(changingLib.packageName)) { 5008 p = changingLib; 5009 } 5010 } 5011 if (p != null) { 5012 usesLibraryFiles.addAll(p.getAllCodePaths()); 5013 } 5014 } 5015 5016 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5017 PackageParser.Package changingLib) throws PackageManagerException { 5018 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5019 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5020 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5021 for (int i=0; i<N; i++) { 5022 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5023 if (file == null) { 5024 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5025 "Package " + pkg.packageName + " requires unavailable shared library " 5026 + pkg.usesLibraries.get(i) + "; failing!"); 5027 } 5028 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5029 } 5030 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5031 for (int i=0; i<N; i++) { 5032 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5033 if (file == null) { 5034 Slog.w(TAG, "Package " + pkg.packageName 5035 + " desires unavailable shared library " 5036 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5037 } else { 5038 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5039 } 5040 } 5041 N = usesLibraryFiles.size(); 5042 if (N > 0) { 5043 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5044 } else { 5045 pkg.usesLibraryFiles = null; 5046 } 5047 } 5048 } 5049 5050 private static boolean hasString(List<String> list, List<String> which) { 5051 if (list == null) { 5052 return false; 5053 } 5054 for (int i=list.size()-1; i>=0; i--) { 5055 for (int j=which.size()-1; j>=0; j--) { 5056 if (which.get(j).equals(list.get(i))) { 5057 return true; 5058 } 5059 } 5060 } 5061 return false; 5062 } 5063 5064 private void updateAllSharedLibrariesLPw() { 5065 for (PackageParser.Package pkg : mPackages.values()) { 5066 try { 5067 updateSharedLibrariesLPw(pkg, null); 5068 } catch (PackageManagerException e) { 5069 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5070 } 5071 } 5072 } 5073 5074 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5075 PackageParser.Package changingPkg) { 5076 ArrayList<PackageParser.Package> res = null; 5077 for (PackageParser.Package pkg : mPackages.values()) { 5078 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5079 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5080 if (res == null) { 5081 res = new ArrayList<PackageParser.Package>(); 5082 } 5083 res.add(pkg); 5084 try { 5085 updateSharedLibrariesLPw(pkg, changingPkg); 5086 } catch (PackageManagerException e) { 5087 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5088 } 5089 } 5090 } 5091 return res; 5092 } 5093 5094 /** 5095 * Derive the value of the {@code cpuAbiOverride} based on the provided 5096 * value and an optional stored value from the package settings. 5097 */ 5098 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5099 String cpuAbiOverride = null; 5100 5101 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5102 cpuAbiOverride = null; 5103 } else if (abiOverride != null) { 5104 cpuAbiOverride = abiOverride; 5105 } else if (settings != null) { 5106 cpuAbiOverride = settings.cpuAbiOverrideString; 5107 } 5108 5109 return cpuAbiOverride; 5110 } 5111 5112 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5113 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5114 boolean success = false; 5115 try { 5116 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5117 currentTime, user); 5118 success = true; 5119 return res; 5120 } finally { 5121 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5122 removeDataDirsLI(pkg.packageName); 5123 } 5124 } 5125 } 5126 5127 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5128 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5129 final File scanFile = new File(pkg.codePath); 5130 if (pkg.applicationInfo.getCodePath() == null || 5131 pkg.applicationInfo.getResourcePath() == null) { 5132 // Bail out. The resource and code paths haven't been set. 5133 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5134 "Code and resource paths haven't been set correctly"); 5135 } 5136 5137 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5138 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5139 } 5140 5141 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5142 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5143 } 5144 5145 if (mCustomResolverComponentName != null && 5146 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5147 setUpCustomResolverActivity(pkg); 5148 } 5149 5150 if (pkg.packageName.equals("android")) { 5151 synchronized (mPackages) { 5152 if (mAndroidApplication != null) { 5153 Slog.w(TAG, "*************************************************"); 5154 Slog.w(TAG, "Core android package being redefined. Skipping."); 5155 Slog.w(TAG, " file=" + scanFile); 5156 Slog.w(TAG, "*************************************************"); 5157 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5158 "Core android package being redefined. Skipping."); 5159 } 5160 5161 // Set up information for our fall-back user intent resolution activity. 5162 mPlatformPackage = pkg; 5163 pkg.mVersionCode = mSdkVersion; 5164 mAndroidApplication = pkg.applicationInfo; 5165 5166 if (!mResolverReplaced) { 5167 mResolveActivity.applicationInfo = mAndroidApplication; 5168 mResolveActivity.name = ResolverActivity.class.getName(); 5169 mResolveActivity.packageName = mAndroidApplication.packageName; 5170 mResolveActivity.processName = "system:ui"; 5171 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5172 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5173 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5174 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5175 mResolveActivity.exported = true; 5176 mResolveActivity.enabled = true; 5177 mResolveInfo.activityInfo = mResolveActivity; 5178 mResolveInfo.priority = 0; 5179 mResolveInfo.preferredOrder = 0; 5180 mResolveInfo.match = 0; 5181 mResolveComponentName = new ComponentName( 5182 mAndroidApplication.packageName, mResolveActivity.name); 5183 } 5184 } 5185 } 5186 5187 if (DEBUG_PACKAGE_SCANNING) { 5188 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5189 Log.d(TAG, "Scanning package " + pkg.packageName); 5190 } 5191 5192 if (mPackages.containsKey(pkg.packageName) 5193 || mSharedLibraries.containsKey(pkg.packageName)) { 5194 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5195 "Application package " + pkg.packageName 5196 + " already installed. Skipping duplicate."); 5197 } 5198 5199 // Initialize package source and resource directories 5200 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5201 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5202 5203 SharedUserSetting suid = null; 5204 PackageSetting pkgSetting = null; 5205 5206 if (!isSystemApp(pkg)) { 5207 // Only system apps can use these features. 5208 pkg.mOriginalPackages = null; 5209 pkg.mRealPackage = null; 5210 pkg.mAdoptPermissions = null; 5211 } 5212 5213 // writer 5214 synchronized (mPackages) { 5215 if (pkg.mSharedUserId != null) { 5216 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5217 if (suid == null) { 5218 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5219 "Creating application package " + pkg.packageName 5220 + " for shared user failed"); 5221 } 5222 if (DEBUG_PACKAGE_SCANNING) { 5223 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5224 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5225 + "): packages=" + suid.packages); 5226 } 5227 } 5228 5229 // Check if we are renaming from an original package name. 5230 PackageSetting origPackage = null; 5231 String realName = null; 5232 if (pkg.mOriginalPackages != null) { 5233 // This package may need to be renamed to a previously 5234 // installed name. Let's check on that... 5235 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5236 if (pkg.mOriginalPackages.contains(renamed)) { 5237 // This package had originally been installed as the 5238 // original name, and we have already taken care of 5239 // transitioning to the new one. Just update the new 5240 // one to continue using the old name. 5241 realName = pkg.mRealPackage; 5242 if (!pkg.packageName.equals(renamed)) { 5243 // Callers into this function may have already taken 5244 // care of renaming the package; only do it here if 5245 // it is not already done. 5246 pkg.setPackageName(renamed); 5247 } 5248 5249 } else { 5250 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5251 if ((origPackage = mSettings.peekPackageLPr( 5252 pkg.mOriginalPackages.get(i))) != null) { 5253 // We do have the package already installed under its 5254 // original name... should we use it? 5255 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5256 // New package is not compatible with original. 5257 origPackage = null; 5258 continue; 5259 } else if (origPackage.sharedUser != null) { 5260 // Make sure uid is compatible between packages. 5261 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5262 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5263 + " to " + pkg.packageName + ": old uid " 5264 + origPackage.sharedUser.name 5265 + " differs from " + pkg.mSharedUserId); 5266 origPackage = null; 5267 continue; 5268 } 5269 } else { 5270 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5271 + pkg.packageName + " to old name " + origPackage.name); 5272 } 5273 break; 5274 } 5275 } 5276 } 5277 } 5278 5279 if (mTransferedPackages.contains(pkg.packageName)) { 5280 Slog.w(TAG, "Package " + pkg.packageName 5281 + " was transferred to another, but its .apk remains"); 5282 } 5283 5284 // Just create the setting, don't add it yet. For already existing packages 5285 // the PkgSetting exists already and doesn't have to be created. 5286 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5287 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5288 pkg.applicationInfo.primaryCpuAbi, 5289 pkg.applicationInfo.secondaryCpuAbi, 5290 pkg.applicationInfo.flags, user, false); 5291 if (pkgSetting == null) { 5292 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5293 "Creating application package " + pkg.packageName + " failed"); 5294 } 5295 5296 if (pkgSetting.origPackage != null) { 5297 // If we are first transitioning from an original package, 5298 // fix up the new package's name now. We need to do this after 5299 // looking up the package under its new name, so getPackageLP 5300 // can take care of fiddling things correctly. 5301 pkg.setPackageName(origPackage.name); 5302 5303 // File a report about this. 5304 String msg = "New package " + pkgSetting.realName 5305 + " renamed to replace old package " + pkgSetting.name; 5306 reportSettingsProblem(Log.WARN, msg); 5307 5308 // Make a note of it. 5309 mTransferedPackages.add(origPackage.name); 5310 5311 // No longer need to retain this. 5312 pkgSetting.origPackage = null; 5313 } 5314 5315 if (realName != null) { 5316 // Make a note of it. 5317 mTransferedPackages.add(pkg.packageName); 5318 } 5319 5320 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5321 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5322 } 5323 5324 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5325 // Check all shared libraries and map to their actual file path. 5326 // We only do this here for apps not on a system dir, because those 5327 // are the only ones that can fail an install due to this. We 5328 // will take care of the system apps by updating all of their 5329 // library paths after the scan is done. 5330 updateSharedLibrariesLPw(pkg, null); 5331 } 5332 5333 if (mFoundPolicyFile) { 5334 SELinuxMMAC.assignSeinfoValue(pkg); 5335 } 5336 5337 pkg.applicationInfo.uid = pkgSetting.appId; 5338 pkg.mExtras = pkgSetting; 5339 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5340 try { 5341 verifySignaturesLP(pkgSetting, pkg); 5342 } catch (PackageManagerException e) { 5343 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5344 throw e; 5345 } 5346 // The signature has changed, but this package is in the system 5347 // image... let's recover! 5348 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5349 // However... if this package is part of a shared user, but it 5350 // doesn't match the signature of the shared user, let's fail. 5351 // What this means is that you can't change the signatures 5352 // associated with an overall shared user, which doesn't seem all 5353 // that unreasonable. 5354 if (pkgSetting.sharedUser != null) { 5355 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5356 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5357 throw new PackageManagerException( 5358 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5359 "Signature mismatch for shared user : " 5360 + pkgSetting.sharedUser); 5361 } 5362 } 5363 // File a report about this. 5364 String msg = "System package " + pkg.packageName 5365 + " signature changed; retaining data."; 5366 reportSettingsProblem(Log.WARN, msg); 5367 } 5368 } else { 5369 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5370 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5371 + pkg.packageName + " upgrade keys do not match the " 5372 + "previously installed version"); 5373 } else { 5374 // signatures may have changed as result of upgrade 5375 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5376 } 5377 } 5378 // Verify that this new package doesn't have any content providers 5379 // that conflict with existing packages. Only do this if the 5380 // package isn't already installed, since we don't want to break 5381 // things that are installed. 5382 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5383 final int N = pkg.providers.size(); 5384 int i; 5385 for (i=0; i<N; i++) { 5386 PackageParser.Provider p = pkg.providers.get(i); 5387 if (p.info.authority != null) { 5388 String names[] = p.info.authority.split(";"); 5389 for (int j = 0; j < names.length; j++) { 5390 if (mProvidersByAuthority.containsKey(names[j])) { 5391 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5392 final String otherPackageName = 5393 ((other != null && other.getComponentName() != null) ? 5394 other.getComponentName().getPackageName() : "?"); 5395 throw new PackageManagerException( 5396 INSTALL_FAILED_CONFLICTING_PROVIDER, 5397 "Can't install because provider name " + names[j] 5398 + " (in package " + pkg.applicationInfo.packageName 5399 + ") is already used by " + otherPackageName); 5400 } 5401 } 5402 } 5403 } 5404 } 5405 5406 if (pkg.mAdoptPermissions != null) { 5407 // This package wants to adopt ownership of permissions from 5408 // another package. 5409 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5410 final String origName = pkg.mAdoptPermissions.get(i); 5411 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5412 if (orig != null) { 5413 if (verifyPackageUpdateLPr(orig, pkg)) { 5414 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5415 + pkg.packageName); 5416 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5417 } 5418 } 5419 } 5420 } 5421 } 5422 5423 final String pkgName = pkg.packageName; 5424 5425 final long scanFileTime = scanFile.lastModified(); 5426 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5427 pkg.applicationInfo.processName = fixProcessName( 5428 pkg.applicationInfo.packageName, 5429 pkg.applicationInfo.processName, 5430 pkg.applicationInfo.uid); 5431 5432 File dataPath; 5433 if (mPlatformPackage == pkg) { 5434 // The system package is special. 5435 dataPath = new File(Environment.getDataDirectory(), "system"); 5436 5437 pkg.applicationInfo.dataDir = dataPath.getPath(); 5438 5439 } else { 5440 // This is a normal package, need to make its data directory. 5441 dataPath = getDataPathForPackage(pkg.packageName, 0); 5442 5443 boolean uidError = false; 5444 if (dataPath.exists()) { 5445 int currentUid = 0; 5446 try { 5447 StructStat stat = Os.stat(dataPath.getPath()); 5448 currentUid = stat.st_uid; 5449 } catch (ErrnoException e) { 5450 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5451 } 5452 5453 // If we have mismatched owners for the data path, we have a problem. 5454 if (currentUid != pkg.applicationInfo.uid) { 5455 boolean recovered = false; 5456 if (currentUid == 0) { 5457 // The directory somehow became owned by root. Wow. 5458 // This is probably because the system was stopped while 5459 // installd was in the middle of messing with its libs 5460 // directory. Ask installd to fix that. 5461 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5462 pkg.applicationInfo.uid); 5463 if (ret >= 0) { 5464 recovered = true; 5465 String msg = "Package " + pkg.packageName 5466 + " unexpectedly changed to uid 0; recovered to " + 5467 + pkg.applicationInfo.uid; 5468 reportSettingsProblem(Log.WARN, msg); 5469 } 5470 } 5471 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5472 || (scanFlags&SCAN_BOOTING) != 0)) { 5473 // If this is a system app, we can at least delete its 5474 // current data so the application will still work. 5475 int ret = removeDataDirsLI(pkgName); 5476 if (ret >= 0) { 5477 // TODO: Kill the processes first 5478 // Old data gone! 5479 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5480 ? "System package " : "Third party package "; 5481 String msg = prefix + pkg.packageName 5482 + " has changed from uid: " 5483 + currentUid + " to " 5484 + pkg.applicationInfo.uid + "; old data erased"; 5485 reportSettingsProblem(Log.WARN, msg); 5486 recovered = true; 5487 5488 // And now re-install the app. 5489 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5490 pkg.applicationInfo.seinfo); 5491 if (ret == -1) { 5492 // Ack should not happen! 5493 msg = prefix + pkg.packageName 5494 + " could not have data directory re-created after delete."; 5495 reportSettingsProblem(Log.WARN, msg); 5496 throw new PackageManagerException( 5497 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5498 } 5499 } 5500 if (!recovered) { 5501 mHasSystemUidErrors = true; 5502 } 5503 } else if (!recovered) { 5504 // If we allow this install to proceed, we will be broken. 5505 // Abort, abort! 5506 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5507 "scanPackageLI"); 5508 } 5509 if (!recovered) { 5510 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5511 + pkg.applicationInfo.uid + "/fs_" 5512 + currentUid; 5513 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5514 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5515 String msg = "Package " + pkg.packageName 5516 + " has mismatched uid: " 5517 + currentUid + " on disk, " 5518 + pkg.applicationInfo.uid + " in settings"; 5519 // writer 5520 synchronized (mPackages) { 5521 mSettings.mReadMessages.append(msg); 5522 mSettings.mReadMessages.append('\n'); 5523 uidError = true; 5524 if (!pkgSetting.uidError) { 5525 reportSettingsProblem(Log.ERROR, msg); 5526 } 5527 } 5528 } 5529 } 5530 pkg.applicationInfo.dataDir = dataPath.getPath(); 5531 if (mShouldRestoreconData) { 5532 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5533 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5534 pkg.applicationInfo.uid); 5535 } 5536 } else { 5537 if (DEBUG_PACKAGE_SCANNING) { 5538 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5539 Log.v(TAG, "Want this data dir: " + dataPath); 5540 } 5541 //invoke installer to do the actual installation 5542 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5543 pkg.applicationInfo.seinfo); 5544 if (ret < 0) { 5545 // Error from installer 5546 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5547 "Unable to create data dirs [errorCode=" + ret + "]"); 5548 } 5549 5550 if (dataPath.exists()) { 5551 pkg.applicationInfo.dataDir = dataPath.getPath(); 5552 } else { 5553 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5554 pkg.applicationInfo.dataDir = null; 5555 } 5556 } 5557 5558 pkgSetting.uidError = uidError; 5559 } 5560 5561 final String path = scanFile.getPath(); 5562 final String codePath = pkg.applicationInfo.getCodePath(); 5563 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5564 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5565 setBundledAppAbisAndRoots(pkg, pkgSetting); 5566 5567 // If we haven't found any native libraries for the app, check if it has 5568 // renderscript code. We'll need to force the app to 32 bit if it has 5569 // renderscript bitcode. 5570 if (pkg.applicationInfo.primaryCpuAbi == null 5571 && pkg.applicationInfo.secondaryCpuAbi == null 5572 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5573 NativeLibraryHelper.Handle handle = null; 5574 try { 5575 handle = NativeLibraryHelper.Handle.create(scanFile); 5576 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5577 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5578 } 5579 } catch (IOException ioe) { 5580 Slog.w(TAG, "Error scanning system app : " + ioe); 5581 } finally { 5582 IoUtils.closeQuietly(handle); 5583 } 5584 } 5585 5586 setNativeLibraryPaths(pkg); 5587 } else { 5588 // TODO: We can probably be smarter about this stuff. For installed apps, 5589 // we can calculate this information at install time once and for all. For 5590 // system apps, we can probably assume that this information doesn't change 5591 // after the first boot scan. As things stand, we do lots of unnecessary work. 5592 5593 // Give ourselves some initial paths; we'll come back for another 5594 // pass once we've determined ABI below. 5595 setNativeLibraryPaths(pkg); 5596 5597 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5598 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5599 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5600 5601 NativeLibraryHelper.Handle handle = null; 5602 try { 5603 handle = NativeLibraryHelper.Handle.create(scanFile); 5604 // TODO(multiArch): This can be null for apps that didn't go through the 5605 // usual installation process. We can calculate it again, like we 5606 // do during install time. 5607 // 5608 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5609 // unnecessary. 5610 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5611 5612 // Null out the abis so that they can be recalculated. 5613 pkg.applicationInfo.primaryCpuAbi = null; 5614 pkg.applicationInfo.secondaryCpuAbi = null; 5615 if (isMultiArch(pkg.applicationInfo)) { 5616 // Warn if we've set an abiOverride for multi-lib packages.. 5617 // By definition, we need to copy both 32 and 64 bit libraries for 5618 // such packages. 5619 if (pkg.cpuAbiOverride != null 5620 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5621 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5622 } 5623 5624 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5625 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5626 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5627 if (isAsec) { 5628 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5629 } else { 5630 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5631 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5632 useIsaSpecificSubdirs); 5633 } 5634 } 5635 5636 maybeThrowExceptionForMultiArchCopy( 5637 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5638 5639 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5640 if (isAsec) { 5641 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5642 } else { 5643 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5644 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5645 useIsaSpecificSubdirs); 5646 } 5647 } 5648 5649 maybeThrowExceptionForMultiArchCopy( 5650 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5651 5652 if (abi64 >= 0) { 5653 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5654 } 5655 5656 if (abi32 >= 0) { 5657 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5658 if (abi64 >= 0) { 5659 pkg.applicationInfo.secondaryCpuAbi = abi; 5660 } else { 5661 pkg.applicationInfo.primaryCpuAbi = abi; 5662 } 5663 } 5664 } else { 5665 String[] abiList = (cpuAbiOverride != null) ? 5666 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5667 5668 // Enable gross and lame hacks for apps that are built with old 5669 // SDK tools. We must scan their APKs for renderscript bitcode and 5670 // not launch them if it's present. Don't bother checking on devices 5671 // that don't have 64 bit support. 5672 boolean needsRenderScriptOverride = false; 5673 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5674 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5675 abiList = Build.SUPPORTED_32_BIT_ABIS; 5676 needsRenderScriptOverride = true; 5677 } 5678 5679 final int copyRet; 5680 if (isAsec) { 5681 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5682 } else { 5683 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5684 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5685 } 5686 5687 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5688 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5689 "Error unpackaging native libs for app, errorCode=" + copyRet); 5690 } 5691 5692 if (copyRet >= 0) { 5693 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5694 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5695 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5696 } else if (needsRenderScriptOverride) { 5697 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5698 } 5699 } 5700 } catch (IOException ioe) { 5701 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5702 } finally { 5703 IoUtils.closeQuietly(handle); 5704 } 5705 5706 // Now that we've calculated the ABIs and determined if it's an internal app, 5707 // we will go ahead and populate the nativeLibraryPath. 5708 setNativeLibraryPaths(pkg); 5709 5710 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5711 final int[] userIds = sUserManager.getUserIds(); 5712 synchronized (mInstallLock) { 5713 // Create a native library symlink only if we have native libraries 5714 // and if the native libraries are 32 bit libraries. We do not provide 5715 // this symlink for 64 bit libraries. 5716 if (pkg.applicationInfo.primaryCpuAbi != null && 5717 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5718 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5719 for (int userId : userIds) { 5720 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5721 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5722 "Failed linking native library dir (user=" + userId + ")"); 5723 } 5724 } 5725 } 5726 } 5727 } 5728 5729 // This is a special case for the "system" package, where the ABI is 5730 // dictated by the zygote configuration (and init.rc). We should keep track 5731 // of this ABI so that we can deal with "normal" applications that run under 5732 // the same UID correctly. 5733 if (mPlatformPackage == pkg) { 5734 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5735 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5736 } 5737 5738 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5739 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5740 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5741 // Copy the derived override back to the parsed package, so that we can 5742 // update the package settings accordingly. 5743 pkg.cpuAbiOverride = cpuAbiOverride; 5744 5745 if (DEBUG_ABI_SELECTION) { 5746 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5747 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5748 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5749 } 5750 5751 // Push the derived path down into PackageSettings so we know what to 5752 // clean up at uninstall time. 5753 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5754 5755 if (DEBUG_ABI_SELECTION) { 5756 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5757 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5758 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5759 } 5760 5761 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5762 // We don't do this here during boot because we can do it all 5763 // at once after scanning all existing packages. 5764 // 5765 // We also do this *before* we perform dexopt on this package, so that 5766 // we can avoid redundant dexopts, and also to make sure we've got the 5767 // code and package path correct. 5768 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5769 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5770 } 5771 5772 if ((scanFlags & SCAN_NO_DEX) == 0) { 5773 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5774 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5775 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5776 } 5777 } 5778 5779 if (mFactoryTest && pkg.requestedPermissions.contains( 5780 android.Manifest.permission.FACTORY_TEST)) { 5781 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5782 } 5783 5784 ArrayList<PackageParser.Package> clientLibPkgs = null; 5785 5786 // writer 5787 synchronized (mPackages) { 5788 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5789 // Only system apps can add new shared libraries. 5790 if (pkg.libraryNames != null) { 5791 for (int i=0; i<pkg.libraryNames.size(); i++) { 5792 String name = pkg.libraryNames.get(i); 5793 boolean allowed = false; 5794 if (isUpdatedSystemApp(pkg)) { 5795 // New library entries can only be added through the 5796 // system image. This is important to get rid of a lot 5797 // of nasty edge cases: for example if we allowed a non- 5798 // system update of the app to add a library, then uninstalling 5799 // the update would make the library go away, and assumptions 5800 // we made such as through app install filtering would now 5801 // have allowed apps on the device which aren't compatible 5802 // with it. Better to just have the restriction here, be 5803 // conservative, and create many fewer cases that can negatively 5804 // impact the user experience. 5805 final PackageSetting sysPs = mSettings 5806 .getDisabledSystemPkgLPr(pkg.packageName); 5807 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5808 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5809 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5810 allowed = true; 5811 allowed = true; 5812 break; 5813 } 5814 } 5815 } 5816 } else { 5817 allowed = true; 5818 } 5819 if (allowed) { 5820 if (!mSharedLibraries.containsKey(name)) { 5821 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5822 } else if (!name.equals(pkg.packageName)) { 5823 Slog.w(TAG, "Package " + pkg.packageName + " library " 5824 + name + " already exists; skipping"); 5825 } 5826 } else { 5827 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5828 + name + " that is not declared on system image; skipping"); 5829 } 5830 } 5831 if ((scanFlags&SCAN_BOOTING) == 0) { 5832 // If we are not booting, we need to update any applications 5833 // that are clients of our shared library. If we are booting, 5834 // this will all be done once the scan is complete. 5835 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5836 } 5837 } 5838 } 5839 } 5840 5841 // We also need to dexopt any apps that are dependent on this library. Note that 5842 // if these fail, we should abort the install since installing the library will 5843 // result in some apps being broken. 5844 if (clientLibPkgs != null) { 5845 if ((scanFlags & SCAN_NO_DEX) == 0) { 5846 for (int i = 0; i < clientLibPkgs.size(); i++) { 5847 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5848 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5849 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5850 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5851 "scanPackageLI failed to dexopt clientLibPkgs"); 5852 } 5853 } 5854 } 5855 } 5856 5857 // Request the ActivityManager to kill the process(only for existing packages) 5858 // so that we do not end up in a confused state while the user is still using the older 5859 // version of the application while the new one gets installed. 5860 if ((scanFlags & SCAN_REPLACING) != 0) { 5861 killApplication(pkg.applicationInfo.packageName, 5862 pkg.applicationInfo.uid, "update pkg"); 5863 } 5864 5865 // Also need to kill any apps that are dependent on the library. 5866 if (clientLibPkgs != null) { 5867 for (int i=0; i<clientLibPkgs.size(); i++) { 5868 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5869 killApplication(clientPkg.applicationInfo.packageName, 5870 clientPkg.applicationInfo.uid, "update lib"); 5871 } 5872 } 5873 5874 // writer 5875 synchronized (mPackages) { 5876 // We don't expect installation to fail beyond this point 5877 5878 // Add the new setting to mSettings 5879 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5880 // Add the new setting to mPackages 5881 mPackages.put(pkg.applicationInfo.packageName, pkg); 5882 // Make sure we don't accidentally delete its data. 5883 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5884 while (iter.hasNext()) { 5885 PackageCleanItem item = iter.next(); 5886 if (pkgName.equals(item.packageName)) { 5887 iter.remove(); 5888 } 5889 } 5890 5891 // Take care of first install / last update times. 5892 if (currentTime != 0) { 5893 if (pkgSetting.firstInstallTime == 0) { 5894 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5895 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5896 pkgSetting.lastUpdateTime = currentTime; 5897 } 5898 } else if (pkgSetting.firstInstallTime == 0) { 5899 // We need *something*. Take time time stamp of the file. 5900 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5901 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5902 if (scanFileTime != pkgSetting.timeStamp) { 5903 // A package on the system image has changed; consider this 5904 // to be an update. 5905 pkgSetting.lastUpdateTime = scanFileTime; 5906 } 5907 } 5908 5909 // Add the package's KeySets to the global KeySetManagerService 5910 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5911 try { 5912 // Old KeySetData no longer valid. 5913 ksms.removeAppKeySetDataLPw(pkg.packageName); 5914 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5915 if (pkg.mKeySetMapping != null) { 5916 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5917 pkg.mKeySetMapping.entrySet()) { 5918 if (entry.getValue() != null) { 5919 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5920 entry.getValue(), entry.getKey()); 5921 } 5922 } 5923 if (pkg.mUpgradeKeySets != null) { 5924 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5925 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5926 } 5927 } 5928 } 5929 } catch (NullPointerException e) { 5930 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5931 } catch (IllegalArgumentException e) { 5932 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5933 } 5934 5935 int N = pkg.providers.size(); 5936 StringBuilder r = null; 5937 int i; 5938 for (i=0; i<N; i++) { 5939 PackageParser.Provider p = pkg.providers.get(i); 5940 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5941 p.info.processName, pkg.applicationInfo.uid); 5942 mProviders.addProvider(p); 5943 p.syncable = p.info.isSyncable; 5944 if (p.info.authority != null) { 5945 String names[] = p.info.authority.split(";"); 5946 p.info.authority = null; 5947 for (int j = 0; j < names.length; j++) { 5948 if (j == 1 && p.syncable) { 5949 // We only want the first authority for a provider to possibly be 5950 // syncable, so if we already added this provider using a different 5951 // authority clear the syncable flag. We copy the provider before 5952 // changing it because the mProviders object contains a reference 5953 // to a provider that we don't want to change. 5954 // Only do this for the second authority since the resulting provider 5955 // object can be the same for all future authorities for this provider. 5956 p = new PackageParser.Provider(p); 5957 p.syncable = false; 5958 } 5959 if (!mProvidersByAuthority.containsKey(names[j])) { 5960 mProvidersByAuthority.put(names[j], p); 5961 if (p.info.authority == null) { 5962 p.info.authority = names[j]; 5963 } else { 5964 p.info.authority = p.info.authority + ";" + names[j]; 5965 } 5966 if (DEBUG_PACKAGE_SCANNING) { 5967 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5968 Log.d(TAG, "Registered content provider: " + names[j] 5969 + ", className = " + p.info.name + ", isSyncable = " 5970 + p.info.isSyncable); 5971 } 5972 } else { 5973 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5974 Slog.w(TAG, "Skipping provider name " + names[j] + 5975 " (in package " + pkg.applicationInfo.packageName + 5976 "): name already used by " 5977 + ((other != null && other.getComponentName() != null) 5978 ? other.getComponentName().getPackageName() : "?")); 5979 } 5980 } 5981 } 5982 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5983 if (r == null) { 5984 r = new StringBuilder(256); 5985 } else { 5986 r.append(' '); 5987 } 5988 r.append(p.info.name); 5989 } 5990 } 5991 if (r != null) { 5992 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5993 } 5994 5995 N = pkg.services.size(); 5996 r = null; 5997 for (i=0; i<N; i++) { 5998 PackageParser.Service s = pkg.services.get(i); 5999 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6000 s.info.processName, pkg.applicationInfo.uid); 6001 mServices.addService(s); 6002 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6003 if (r == null) { 6004 r = new StringBuilder(256); 6005 } else { 6006 r.append(' '); 6007 } 6008 r.append(s.info.name); 6009 } 6010 } 6011 if (r != null) { 6012 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6013 } 6014 6015 N = pkg.receivers.size(); 6016 r = null; 6017 for (i=0; i<N; i++) { 6018 PackageParser.Activity a = pkg.receivers.get(i); 6019 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6020 a.info.processName, pkg.applicationInfo.uid); 6021 mReceivers.addActivity(a, "receiver"); 6022 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6023 if (r == null) { 6024 r = new StringBuilder(256); 6025 } else { 6026 r.append(' '); 6027 } 6028 r.append(a.info.name); 6029 } 6030 } 6031 if (r != null) { 6032 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6033 } 6034 6035 N = pkg.activities.size(); 6036 r = null; 6037 for (i=0; i<N; i++) { 6038 PackageParser.Activity a = pkg.activities.get(i); 6039 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6040 a.info.processName, pkg.applicationInfo.uid); 6041 mActivities.addActivity(a, "activity"); 6042 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6043 if (r == null) { 6044 r = new StringBuilder(256); 6045 } else { 6046 r.append(' '); 6047 } 6048 r.append(a.info.name); 6049 } 6050 } 6051 if (r != null) { 6052 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6053 } 6054 6055 N = pkg.permissionGroups.size(); 6056 r = null; 6057 for (i=0; i<N; i++) { 6058 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6059 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6060 if (cur == null) { 6061 mPermissionGroups.put(pg.info.name, pg); 6062 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6063 if (r == null) { 6064 r = new StringBuilder(256); 6065 } else { 6066 r.append(' '); 6067 } 6068 r.append(pg.info.name); 6069 } 6070 } else { 6071 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6072 + pg.info.packageName + " ignored: original from " 6073 + cur.info.packageName); 6074 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6075 if (r == null) { 6076 r = new StringBuilder(256); 6077 } else { 6078 r.append(' '); 6079 } 6080 r.append("DUP:"); 6081 r.append(pg.info.name); 6082 } 6083 } 6084 } 6085 if (r != null) { 6086 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6087 } 6088 6089 N = pkg.permissions.size(); 6090 r = null; 6091 for (i=0; i<N; i++) { 6092 PackageParser.Permission p = pkg.permissions.get(i); 6093 HashMap<String, BasePermission> permissionMap = 6094 p.tree ? mSettings.mPermissionTrees 6095 : mSettings.mPermissions; 6096 p.group = mPermissionGroups.get(p.info.group); 6097 if (p.info.group == null || p.group != null) { 6098 BasePermission bp = permissionMap.get(p.info.name); 6099 6100 // Allow system apps to redefine non-system permissions 6101 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6102 final boolean currentOwnerIsSystem = (bp.perm != null 6103 && isSystemApp(bp.perm.owner)); 6104 if (isSystemApp(p.owner)) { 6105 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6106 // It's a built-in permission and no owner, take ownership now 6107 bp.packageSetting = pkgSetting; 6108 bp.perm = p; 6109 bp.uid = pkg.applicationInfo.uid; 6110 bp.sourcePackage = p.info.packageName; 6111 } else if (!currentOwnerIsSystem) { 6112 String msg = "New decl " + p.owner + " of permission " 6113 + p.info.name + " is system; overriding " + bp.sourcePackage; 6114 reportSettingsProblem(Log.WARN, msg); 6115 bp = null; 6116 } 6117 } 6118 } 6119 6120 if (bp == null) { 6121 bp = new BasePermission(p.info.name, p.info.packageName, 6122 BasePermission.TYPE_NORMAL); 6123 permissionMap.put(p.info.name, bp); 6124 } 6125 6126 if (bp.perm == null) { 6127 if (bp.sourcePackage == null 6128 || bp.sourcePackage.equals(p.info.packageName)) { 6129 BasePermission tree = findPermissionTreeLP(p.info.name); 6130 if (tree == null 6131 || tree.sourcePackage.equals(p.info.packageName)) { 6132 bp.packageSetting = pkgSetting; 6133 bp.perm = p; 6134 bp.uid = pkg.applicationInfo.uid; 6135 bp.sourcePackage = p.info.packageName; 6136 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6137 if (r == null) { 6138 r = new StringBuilder(256); 6139 } else { 6140 r.append(' '); 6141 } 6142 r.append(p.info.name); 6143 } 6144 } else { 6145 Slog.w(TAG, "Permission " + p.info.name + " from package " 6146 + p.info.packageName + " ignored: base tree " 6147 + tree.name + " is from package " 6148 + tree.sourcePackage); 6149 } 6150 } else { 6151 Slog.w(TAG, "Permission " + p.info.name + " from package " 6152 + p.info.packageName + " ignored: original from " 6153 + bp.sourcePackage); 6154 } 6155 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6156 if (r == null) { 6157 r = new StringBuilder(256); 6158 } else { 6159 r.append(' '); 6160 } 6161 r.append("DUP:"); 6162 r.append(p.info.name); 6163 } 6164 if (bp.perm == p) { 6165 bp.protectionLevel = p.info.protectionLevel; 6166 } 6167 } else { 6168 Slog.w(TAG, "Permission " + p.info.name + " from package " 6169 + p.info.packageName + " ignored: no group " 6170 + p.group); 6171 } 6172 } 6173 if (r != null) { 6174 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6175 } 6176 6177 N = pkg.instrumentation.size(); 6178 r = null; 6179 for (i=0; i<N; i++) { 6180 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6181 a.info.packageName = pkg.applicationInfo.packageName; 6182 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6183 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6184 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6185 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6186 a.info.dataDir = pkg.applicationInfo.dataDir; 6187 6188 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6189 // need other information about the application, like the ABI and what not ? 6190 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6191 mInstrumentation.put(a.getComponentName(), a); 6192 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6193 if (r == null) { 6194 r = new StringBuilder(256); 6195 } else { 6196 r.append(' '); 6197 } 6198 r.append(a.info.name); 6199 } 6200 } 6201 if (r != null) { 6202 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6203 } 6204 6205 if (pkg.protectedBroadcasts != null) { 6206 N = pkg.protectedBroadcasts.size(); 6207 for (i=0; i<N; i++) { 6208 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6209 } 6210 } 6211 6212 pkgSetting.setTimeStamp(scanFileTime); 6213 6214 // Create idmap files for pairs of (packages, overlay packages). 6215 // Note: "android", ie framework-res.apk, is handled by native layers. 6216 if (pkg.mOverlayTarget != null) { 6217 // This is an overlay package. 6218 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6219 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6220 mOverlays.put(pkg.mOverlayTarget, 6221 new HashMap<String, PackageParser.Package>()); 6222 } 6223 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6224 map.put(pkg.packageName, pkg); 6225 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6226 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6227 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6228 "scanPackageLI failed to createIdmap"); 6229 } 6230 } 6231 } else if (mOverlays.containsKey(pkg.packageName) && 6232 !pkg.packageName.equals("android")) { 6233 // This is a regular package, with one or more known overlay packages. 6234 createIdmapsForPackageLI(pkg); 6235 } 6236 } 6237 6238 return pkg; 6239 } 6240 6241 /** 6242 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6243 * i.e, so that all packages can be run inside a single process if required. 6244 * 6245 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6246 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6247 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6248 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6249 * updating a package that belongs to a shared user. 6250 * 6251 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6252 * adds unnecessary complexity. 6253 */ 6254 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6255 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6256 String requiredInstructionSet = null; 6257 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6258 requiredInstructionSet = VMRuntime.getInstructionSet( 6259 scannedPackage.applicationInfo.primaryCpuAbi); 6260 } 6261 6262 PackageSetting requirer = null; 6263 for (PackageSetting ps : packagesForUser) { 6264 // If packagesForUser contains scannedPackage, we skip it. This will happen 6265 // when scannedPackage is an update of an existing package. Without this check, 6266 // we will never be able to change the ABI of any package belonging to a shared 6267 // user, even if it's compatible with other packages. 6268 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6269 if (ps.primaryCpuAbiString == null) { 6270 continue; 6271 } 6272 6273 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6274 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6275 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6276 // this but there's not much we can do. 6277 String errorMessage = "Instruction set mismatch, " 6278 + ((requirer == null) ? "[caller]" : requirer) 6279 + " requires " + requiredInstructionSet + " whereas " + ps 6280 + " requires " + instructionSet; 6281 Slog.w(TAG, errorMessage); 6282 } 6283 6284 if (requiredInstructionSet == null) { 6285 requiredInstructionSet = instructionSet; 6286 requirer = ps; 6287 } 6288 } 6289 } 6290 6291 if (requiredInstructionSet != null) { 6292 String adjustedAbi; 6293 if (requirer != null) { 6294 // requirer != null implies that either scannedPackage was null or that scannedPackage 6295 // did not require an ABI, in which case we have to adjust scannedPackage to match 6296 // the ABI of the set (which is the same as requirer's ABI) 6297 adjustedAbi = requirer.primaryCpuAbiString; 6298 if (scannedPackage != null) { 6299 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6300 } 6301 } else { 6302 // requirer == null implies that we're updating all ABIs in the set to 6303 // match scannedPackage. 6304 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6305 } 6306 6307 for (PackageSetting ps : packagesForUser) { 6308 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6309 if (ps.primaryCpuAbiString != null) { 6310 continue; 6311 } 6312 6313 ps.primaryCpuAbiString = adjustedAbi; 6314 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6315 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6316 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6317 6318 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6319 deferDexOpt, true) == DEX_OPT_FAILED) { 6320 ps.primaryCpuAbiString = null; 6321 ps.pkg.applicationInfo.primaryCpuAbi = null; 6322 return; 6323 } else { 6324 mInstaller.rmdex(ps.codePathString, 6325 getDexCodeInstructionSet(getPreferredInstructionSet())); 6326 } 6327 } 6328 } 6329 } 6330 } 6331 } 6332 6333 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6334 synchronized (mPackages) { 6335 mResolverReplaced = true; 6336 // Set up information for custom user intent resolution activity. 6337 mResolveActivity.applicationInfo = pkg.applicationInfo; 6338 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6339 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6340 mResolveActivity.processName = null; 6341 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6342 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6343 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6344 mResolveActivity.theme = 0; 6345 mResolveActivity.exported = true; 6346 mResolveActivity.enabled = true; 6347 mResolveInfo.activityInfo = mResolveActivity; 6348 mResolveInfo.priority = 0; 6349 mResolveInfo.preferredOrder = 0; 6350 mResolveInfo.match = 0; 6351 mResolveComponentName = mCustomResolverComponentName; 6352 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6353 mResolveComponentName); 6354 } 6355 } 6356 6357 private static String calculateBundledApkRoot(final String codePathString) { 6358 final File codePath = new File(codePathString); 6359 final File codeRoot; 6360 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6361 codeRoot = Environment.getRootDirectory(); 6362 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6363 codeRoot = Environment.getOemDirectory(); 6364 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6365 codeRoot = Environment.getVendorDirectory(); 6366 } else { 6367 // Unrecognized code path; take its top real segment as the apk root: 6368 // e.g. /something/app/blah.apk => /something 6369 try { 6370 File f = codePath.getCanonicalFile(); 6371 File parent = f.getParentFile(); // non-null because codePath is a file 6372 File tmp; 6373 while ((tmp = parent.getParentFile()) != null) { 6374 f = parent; 6375 parent = tmp; 6376 } 6377 codeRoot = f; 6378 Slog.w(TAG, "Unrecognized code path " 6379 + codePath + " - using " + codeRoot); 6380 } catch (IOException e) { 6381 // Can't canonicalize the code path -- shenanigans? 6382 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6383 return Environment.getRootDirectory().getPath(); 6384 } 6385 } 6386 return codeRoot.getPath(); 6387 } 6388 6389 /** 6390 * Derive and set the location of native libraries for the given package, 6391 * which varies depending on where and how the package was installed. 6392 */ 6393 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6394 final ApplicationInfo info = pkg.applicationInfo; 6395 final String codePath = pkg.codePath; 6396 final File codeFile = new File(codePath); 6397 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6398 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6399 6400 info.nativeLibraryRootDir = null; 6401 info.nativeLibraryRootRequiresIsa = false; 6402 info.nativeLibraryDir = null; 6403 info.secondaryNativeLibraryDir = null; 6404 6405 if (isApkFile(codeFile)) { 6406 // Monolithic install 6407 if (bundledApp) { 6408 // If "/system/lib64/apkname" exists, assume that is the per-package 6409 // native library directory to use; otherwise use "/system/lib/apkname". 6410 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6411 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6412 getPrimaryInstructionSet(info)); 6413 6414 // This is a bundled system app so choose the path based on the ABI. 6415 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6416 // is just the default path. 6417 final String apkName = deriveCodePathName(codePath); 6418 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6419 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6420 apkName).getAbsolutePath(); 6421 6422 if (info.secondaryCpuAbi != null) { 6423 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6424 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6425 secondaryLibDir, apkName).getAbsolutePath(); 6426 } 6427 } else if (asecApp) { 6428 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6429 .getAbsolutePath(); 6430 } else { 6431 final String apkName = deriveCodePathName(codePath); 6432 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6433 .getAbsolutePath(); 6434 } 6435 6436 info.nativeLibraryRootRequiresIsa = false; 6437 info.nativeLibraryDir = info.nativeLibraryRootDir; 6438 } else { 6439 // Cluster install 6440 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6441 info.nativeLibraryRootRequiresIsa = true; 6442 6443 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6444 getPrimaryInstructionSet(info)).getAbsolutePath(); 6445 6446 if (info.secondaryCpuAbi != null) { 6447 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6448 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6449 } 6450 } 6451 } 6452 6453 /** 6454 * Calculate the abis and roots for a bundled app. These can uniquely 6455 * be determined from the contents of the system partition, i.e whether 6456 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6457 * of this information, and instead assume that the system was built 6458 * sensibly. 6459 */ 6460 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6461 PackageSetting pkgSetting) { 6462 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6463 6464 // If "/system/lib64/apkname" exists, assume that is the per-package 6465 // native library directory to use; otherwise use "/system/lib/apkname". 6466 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6467 setBundledAppAbi(pkg, apkRoot, apkName); 6468 // pkgSetting might be null during rescan following uninstall of updates 6469 // to a bundled app, so accommodate that possibility. The settings in 6470 // that case will be established later from the parsed package. 6471 // 6472 // If the settings aren't null, sync them up with what we've just derived. 6473 // note that apkRoot isn't stored in the package settings. 6474 if (pkgSetting != null) { 6475 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6476 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6477 } 6478 } 6479 6480 /** 6481 * Deduces the ABI of a bundled app and sets the relevant fields on the 6482 * parsed pkg object. 6483 * 6484 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6485 * under which system libraries are installed. 6486 * @param apkName the name of the installed package. 6487 */ 6488 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6489 final File codeFile = new File(pkg.codePath); 6490 6491 final boolean has64BitLibs; 6492 final boolean has32BitLibs; 6493 if (isApkFile(codeFile)) { 6494 // Monolithic install 6495 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6496 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6497 } else { 6498 // Cluster install 6499 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6500 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6501 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6502 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6503 has64BitLibs = (new File(rootDir, isa)).exists(); 6504 } else { 6505 has64BitLibs = false; 6506 } 6507 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6508 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6509 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6510 has32BitLibs = (new File(rootDir, isa)).exists(); 6511 } else { 6512 has32BitLibs = false; 6513 } 6514 } 6515 6516 if (has64BitLibs && !has32BitLibs) { 6517 // The package has 64 bit libs, but not 32 bit libs. Its primary 6518 // ABI should be 64 bit. We can safely assume here that the bundled 6519 // native libraries correspond to the most preferred ABI in the list. 6520 6521 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6522 pkg.applicationInfo.secondaryCpuAbi = null; 6523 } else if (has32BitLibs && !has64BitLibs) { 6524 // The package has 32 bit libs but not 64 bit libs. Its primary 6525 // ABI should be 32 bit. 6526 6527 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6528 pkg.applicationInfo.secondaryCpuAbi = null; 6529 } else if (has32BitLibs && has64BitLibs) { 6530 // The application has both 64 and 32 bit bundled libraries. We check 6531 // here that the app declares multiArch support, and warn if it doesn't. 6532 // 6533 // We will be lenient here and record both ABIs. The primary will be the 6534 // ABI that's higher on the list, i.e, a device that's configured to prefer 6535 // 64 bit apps will see a 64 bit primary ABI, 6536 6537 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6538 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6539 } 6540 6541 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6542 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6543 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6544 } else { 6545 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6546 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6547 } 6548 } else { 6549 pkg.applicationInfo.primaryCpuAbi = null; 6550 pkg.applicationInfo.secondaryCpuAbi = null; 6551 } 6552 } 6553 6554 private void killApplication(String pkgName, int appId, String reason) { 6555 // Request the ActivityManager to kill the process(only for existing packages) 6556 // so that we do not end up in a confused state while the user is still using the older 6557 // version of the application while the new one gets installed. 6558 IActivityManager am = ActivityManagerNative.getDefault(); 6559 if (am != null) { 6560 try { 6561 am.killApplicationWithAppId(pkgName, appId, reason); 6562 } catch (RemoteException e) { 6563 } 6564 } 6565 } 6566 6567 void removePackageLI(PackageSetting ps, boolean chatty) { 6568 if (DEBUG_INSTALL) { 6569 if (chatty) 6570 Log.d(TAG, "Removing package " + ps.name); 6571 } 6572 6573 // writer 6574 synchronized (mPackages) { 6575 mPackages.remove(ps.name); 6576 final PackageParser.Package pkg = ps.pkg; 6577 if (pkg != null) { 6578 cleanPackageDataStructuresLILPw(pkg, chatty); 6579 } 6580 } 6581 } 6582 6583 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6584 if (DEBUG_INSTALL) { 6585 if (chatty) 6586 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6587 } 6588 6589 // writer 6590 synchronized (mPackages) { 6591 mPackages.remove(pkg.applicationInfo.packageName); 6592 cleanPackageDataStructuresLILPw(pkg, chatty); 6593 } 6594 } 6595 6596 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6597 int N = pkg.providers.size(); 6598 StringBuilder r = null; 6599 int i; 6600 for (i=0; i<N; i++) { 6601 PackageParser.Provider p = pkg.providers.get(i); 6602 mProviders.removeProvider(p); 6603 if (p.info.authority == null) { 6604 6605 /* There was another ContentProvider with this authority when 6606 * this app was installed so this authority is null, 6607 * Ignore it as we don't have to unregister the provider. 6608 */ 6609 continue; 6610 } 6611 String names[] = p.info.authority.split(";"); 6612 for (int j = 0; j < names.length; j++) { 6613 if (mProvidersByAuthority.get(names[j]) == p) { 6614 mProvidersByAuthority.remove(names[j]); 6615 if (DEBUG_REMOVE) { 6616 if (chatty) 6617 Log.d(TAG, "Unregistered content provider: " + names[j] 6618 + ", className = " + p.info.name + ", isSyncable = " 6619 + p.info.isSyncable); 6620 } 6621 } 6622 } 6623 if (DEBUG_REMOVE && chatty) { 6624 if (r == null) { 6625 r = new StringBuilder(256); 6626 } else { 6627 r.append(' '); 6628 } 6629 r.append(p.info.name); 6630 } 6631 } 6632 if (r != null) { 6633 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6634 } 6635 6636 N = pkg.services.size(); 6637 r = null; 6638 for (i=0; i<N; i++) { 6639 PackageParser.Service s = pkg.services.get(i); 6640 mServices.removeService(s); 6641 if (chatty) { 6642 if (r == null) { 6643 r = new StringBuilder(256); 6644 } else { 6645 r.append(' '); 6646 } 6647 r.append(s.info.name); 6648 } 6649 } 6650 if (r != null) { 6651 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6652 } 6653 6654 N = pkg.receivers.size(); 6655 r = null; 6656 for (i=0; i<N; i++) { 6657 PackageParser.Activity a = pkg.receivers.get(i); 6658 mReceivers.removeActivity(a, "receiver"); 6659 if (DEBUG_REMOVE && chatty) { 6660 if (r == null) { 6661 r = new StringBuilder(256); 6662 } else { 6663 r.append(' '); 6664 } 6665 r.append(a.info.name); 6666 } 6667 } 6668 if (r != null) { 6669 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6670 } 6671 6672 N = pkg.activities.size(); 6673 r = null; 6674 for (i=0; i<N; i++) { 6675 PackageParser.Activity a = pkg.activities.get(i); 6676 mActivities.removeActivity(a, "activity"); 6677 if (DEBUG_REMOVE && chatty) { 6678 if (r == null) { 6679 r = new StringBuilder(256); 6680 } else { 6681 r.append(' '); 6682 } 6683 r.append(a.info.name); 6684 } 6685 } 6686 if (r != null) { 6687 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6688 } 6689 6690 N = pkg.permissions.size(); 6691 r = null; 6692 for (i=0; i<N; i++) { 6693 PackageParser.Permission p = pkg.permissions.get(i); 6694 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6695 if (bp == null) { 6696 bp = mSettings.mPermissionTrees.get(p.info.name); 6697 } 6698 if (bp != null && bp.perm == p) { 6699 bp.perm = null; 6700 if (DEBUG_REMOVE && chatty) { 6701 if (r == null) { 6702 r = new StringBuilder(256); 6703 } else { 6704 r.append(' '); 6705 } 6706 r.append(p.info.name); 6707 } 6708 } 6709 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6710 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6711 if (appOpPerms != null) { 6712 appOpPerms.remove(pkg.packageName); 6713 } 6714 } 6715 } 6716 if (r != null) { 6717 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6718 } 6719 6720 N = pkg.requestedPermissions.size(); 6721 r = null; 6722 for (i=0; i<N; i++) { 6723 String perm = pkg.requestedPermissions.get(i); 6724 BasePermission bp = mSettings.mPermissions.get(perm); 6725 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6726 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6727 if (appOpPerms != null) { 6728 appOpPerms.remove(pkg.packageName); 6729 if (appOpPerms.isEmpty()) { 6730 mAppOpPermissionPackages.remove(perm); 6731 } 6732 } 6733 } 6734 } 6735 if (r != null) { 6736 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6737 } 6738 6739 N = pkg.instrumentation.size(); 6740 r = null; 6741 for (i=0; i<N; i++) { 6742 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6743 mInstrumentation.remove(a.getComponentName()); 6744 if (DEBUG_REMOVE && chatty) { 6745 if (r == null) { 6746 r = new StringBuilder(256); 6747 } else { 6748 r.append(' '); 6749 } 6750 r.append(a.info.name); 6751 } 6752 } 6753 if (r != null) { 6754 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6755 } 6756 6757 r = null; 6758 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6759 // Only system apps can hold shared libraries. 6760 if (pkg.libraryNames != null) { 6761 for (i=0; i<pkg.libraryNames.size(); i++) { 6762 String name = pkg.libraryNames.get(i); 6763 SharedLibraryEntry cur = mSharedLibraries.get(name); 6764 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6765 mSharedLibraries.remove(name); 6766 if (DEBUG_REMOVE && chatty) { 6767 if (r == null) { 6768 r = new StringBuilder(256); 6769 } else { 6770 r.append(' '); 6771 } 6772 r.append(name); 6773 } 6774 } 6775 } 6776 } 6777 } 6778 if (r != null) { 6779 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6780 } 6781 } 6782 6783 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6784 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6785 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6786 return true; 6787 } 6788 } 6789 return false; 6790 } 6791 6792 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6793 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6794 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6795 6796 private void updatePermissionsLPw(String changingPkg, 6797 PackageParser.Package pkgInfo, int flags) { 6798 // Make sure there are no dangling permission trees. 6799 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6800 while (it.hasNext()) { 6801 final BasePermission bp = it.next(); 6802 if (bp.packageSetting == null) { 6803 // We may not yet have parsed the package, so just see if 6804 // we still know about its settings. 6805 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6806 } 6807 if (bp.packageSetting == null) { 6808 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6809 + " from package " + bp.sourcePackage); 6810 it.remove(); 6811 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6812 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6813 Slog.i(TAG, "Removing old permission tree: " + bp.name 6814 + " from package " + bp.sourcePackage); 6815 flags |= UPDATE_PERMISSIONS_ALL; 6816 it.remove(); 6817 } 6818 } 6819 } 6820 6821 // Make sure all dynamic permissions have been assigned to a package, 6822 // and make sure there are no dangling permissions. 6823 it = mSettings.mPermissions.values().iterator(); 6824 while (it.hasNext()) { 6825 final BasePermission bp = it.next(); 6826 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6827 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6828 + bp.name + " pkg=" + bp.sourcePackage 6829 + " info=" + bp.pendingInfo); 6830 if (bp.packageSetting == null && bp.pendingInfo != null) { 6831 final BasePermission tree = findPermissionTreeLP(bp.name); 6832 if (tree != null && tree.perm != null) { 6833 bp.packageSetting = tree.packageSetting; 6834 bp.perm = new PackageParser.Permission(tree.perm.owner, 6835 new PermissionInfo(bp.pendingInfo)); 6836 bp.perm.info.packageName = tree.perm.info.packageName; 6837 bp.perm.info.name = bp.name; 6838 bp.uid = tree.uid; 6839 } 6840 } 6841 } 6842 if (bp.packageSetting == null) { 6843 // We may not yet have parsed the package, so just see if 6844 // we still know about its settings. 6845 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6846 } 6847 if (bp.packageSetting == null) { 6848 Slog.w(TAG, "Removing dangling permission: " + bp.name 6849 + " from package " + bp.sourcePackage); 6850 it.remove(); 6851 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6852 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6853 Slog.i(TAG, "Removing old permission: " + bp.name 6854 + " from package " + bp.sourcePackage); 6855 flags |= UPDATE_PERMISSIONS_ALL; 6856 it.remove(); 6857 } 6858 } 6859 } 6860 6861 // Now update the permissions for all packages, in particular 6862 // replace the granted permissions of the system packages. 6863 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6864 for (PackageParser.Package pkg : mPackages.values()) { 6865 if (pkg != pkgInfo) { 6866 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6867 changingPkg); 6868 } 6869 } 6870 } 6871 6872 if (pkgInfo != null) { 6873 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6874 } 6875 } 6876 6877 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6878 String packageOfInterest) { 6879 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6880 if (ps == null) { 6881 return; 6882 } 6883 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6884 HashSet<String> origPermissions = gp.grantedPermissions; 6885 boolean changedPermission = false; 6886 6887 if (replace) { 6888 ps.permissionsFixed = false; 6889 if (gp == ps) { 6890 origPermissions = new HashSet<String>(gp.grantedPermissions); 6891 gp.grantedPermissions.clear(); 6892 gp.gids = mGlobalGids; 6893 } 6894 } 6895 6896 if (gp.gids == null) { 6897 gp.gids = mGlobalGids; 6898 } 6899 6900 final int N = pkg.requestedPermissions.size(); 6901 for (int i=0; i<N; i++) { 6902 final String name = pkg.requestedPermissions.get(i); 6903 final boolean required = pkg.requestedPermissionsRequired.get(i); 6904 final BasePermission bp = mSettings.mPermissions.get(name); 6905 if (DEBUG_INSTALL) { 6906 if (gp != ps) { 6907 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6908 } 6909 } 6910 6911 if (bp == null || bp.packageSetting == null) { 6912 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6913 Slog.w(TAG, "Unknown permission " + name 6914 + " in package " + pkg.packageName); 6915 } 6916 continue; 6917 } 6918 6919 final String perm = bp.name; 6920 boolean allowed; 6921 boolean allowedSig = false; 6922 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6923 // Keep track of app op permissions. 6924 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6925 if (pkgs == null) { 6926 pkgs = new ArraySet<>(); 6927 mAppOpPermissionPackages.put(bp.name, pkgs); 6928 } 6929 pkgs.add(pkg.packageName); 6930 } 6931 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6932 if (level == PermissionInfo.PROTECTION_NORMAL 6933 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6934 // We grant a normal or dangerous permission if any of the following 6935 // are true: 6936 // 1) The permission is required 6937 // 2) The permission is optional, but was granted in the past 6938 // 3) The permission is optional, but was requested by an 6939 // app in /system (not /data) 6940 // 6941 // Otherwise, reject the permission. 6942 allowed = (required || origPermissions.contains(perm) 6943 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6944 } else if (bp.packageSetting == null) { 6945 // This permission is invalid; skip it. 6946 allowed = false; 6947 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6948 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6949 if (allowed) { 6950 allowedSig = true; 6951 } 6952 } else { 6953 allowed = false; 6954 } 6955 if (DEBUG_INSTALL) { 6956 if (gp != ps) { 6957 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6958 } 6959 } 6960 if (allowed) { 6961 if (!isSystemApp(ps) && ps.permissionsFixed) { 6962 // If this is an existing, non-system package, then 6963 // we can't add any new permissions to it. 6964 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6965 // Except... if this is a permission that was added 6966 // to the platform (note: need to only do this when 6967 // updating the platform). 6968 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6969 } 6970 } 6971 if (allowed) { 6972 if (!gp.grantedPermissions.contains(perm)) { 6973 changedPermission = true; 6974 gp.grantedPermissions.add(perm); 6975 gp.gids = appendInts(gp.gids, bp.gids); 6976 } else if (!ps.haveGids) { 6977 gp.gids = appendInts(gp.gids, bp.gids); 6978 } 6979 } else { 6980 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6981 Slog.w(TAG, "Not granting permission " + perm 6982 + " to package " + pkg.packageName 6983 + " because it was previously installed without"); 6984 } 6985 } 6986 } else { 6987 if (gp.grantedPermissions.remove(perm)) { 6988 changedPermission = true; 6989 gp.gids = removeInts(gp.gids, bp.gids); 6990 Slog.i(TAG, "Un-granting permission " + perm 6991 + " from package " + pkg.packageName 6992 + " (protectionLevel=" + bp.protectionLevel 6993 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6994 + ")"); 6995 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6996 // Don't print warning for app op permissions, since it is fine for them 6997 // not to be granted, there is a UI for the user to decide. 6998 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6999 Slog.w(TAG, "Not granting permission " + perm 7000 + " to package " + pkg.packageName 7001 + " (protectionLevel=" + bp.protectionLevel 7002 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7003 + ")"); 7004 } 7005 } 7006 } 7007 } 7008 7009 if ((changedPermission || replace) && !ps.permissionsFixed && 7010 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7011 // This is the first that we have heard about this package, so the 7012 // permissions we have now selected are fixed until explicitly 7013 // changed. 7014 ps.permissionsFixed = true; 7015 } 7016 ps.haveGids = true; 7017 } 7018 7019 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7020 boolean allowed = false; 7021 final int NP = PackageParser.NEW_PERMISSIONS.length; 7022 for (int ip=0; ip<NP; ip++) { 7023 final PackageParser.NewPermissionInfo npi 7024 = PackageParser.NEW_PERMISSIONS[ip]; 7025 if (npi.name.equals(perm) 7026 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7027 allowed = true; 7028 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7029 + pkg.packageName); 7030 break; 7031 } 7032 } 7033 return allowed; 7034 } 7035 7036 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7037 BasePermission bp, HashSet<String> origPermissions) { 7038 boolean allowed; 7039 allowed = (compareSignatures( 7040 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7041 == PackageManager.SIGNATURE_MATCH) 7042 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7043 == PackageManager.SIGNATURE_MATCH); 7044 if (!allowed && (bp.protectionLevel 7045 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7046 if (isSystemApp(pkg)) { 7047 // For updated system applications, a system permission 7048 // is granted only if it had been defined by the original application. 7049 if (isUpdatedSystemApp(pkg)) { 7050 final PackageSetting sysPs = mSettings 7051 .getDisabledSystemPkgLPr(pkg.packageName); 7052 final GrantedPermissions origGp = sysPs.sharedUser != null 7053 ? sysPs.sharedUser : sysPs; 7054 7055 if (origGp.grantedPermissions.contains(perm)) { 7056 // If the original was granted this permission, we take 7057 // that grant decision as read and propagate it to the 7058 // update. 7059 allowed = true; 7060 } else { 7061 // The system apk may have been updated with an older 7062 // version of the one on the data partition, but which 7063 // granted a new system permission that it didn't have 7064 // before. In this case we do want to allow the app to 7065 // now get the new permission if the ancestral apk is 7066 // privileged to get it. 7067 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7068 for (int j=0; 7069 j<sysPs.pkg.requestedPermissions.size(); j++) { 7070 if (perm.equals( 7071 sysPs.pkg.requestedPermissions.get(j))) { 7072 allowed = true; 7073 break; 7074 } 7075 } 7076 } 7077 } 7078 } else { 7079 allowed = isPrivilegedApp(pkg); 7080 } 7081 } 7082 } 7083 if (!allowed && (bp.protectionLevel 7084 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7085 // For development permissions, a development permission 7086 // is granted only if it was already granted. 7087 allowed = origPermissions.contains(perm); 7088 } 7089 return allowed; 7090 } 7091 7092 final class ActivityIntentResolver 7093 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7094 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7095 boolean defaultOnly, int userId) { 7096 if (!sUserManager.exists(userId)) return null; 7097 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7098 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7099 } 7100 7101 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7102 int userId) { 7103 if (!sUserManager.exists(userId)) return null; 7104 mFlags = flags; 7105 return super.queryIntent(intent, resolvedType, 7106 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7107 } 7108 7109 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7110 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7111 if (!sUserManager.exists(userId)) return null; 7112 if (packageActivities == null) { 7113 return null; 7114 } 7115 mFlags = flags; 7116 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7117 final int N = packageActivities.size(); 7118 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7119 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7120 7121 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7122 for (int i = 0; i < N; ++i) { 7123 intentFilters = packageActivities.get(i).intents; 7124 if (intentFilters != null && intentFilters.size() > 0) { 7125 PackageParser.ActivityIntentInfo[] array = 7126 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7127 intentFilters.toArray(array); 7128 listCut.add(array); 7129 } 7130 } 7131 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7132 } 7133 7134 public final void addActivity(PackageParser.Activity a, String type) { 7135 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7136 mActivities.put(a.getComponentName(), a); 7137 if (DEBUG_SHOW_INFO) 7138 Log.v( 7139 TAG, " " + type + " " + 7140 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7141 if (DEBUG_SHOW_INFO) 7142 Log.v(TAG, " Class=" + a.info.name); 7143 final int NI = a.intents.size(); 7144 for (int j=0; j<NI; j++) { 7145 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7146 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7147 intent.setPriority(0); 7148 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7149 + a.className + " with priority > 0, forcing to 0"); 7150 } 7151 if (DEBUG_SHOW_INFO) { 7152 Log.v(TAG, " IntentFilter:"); 7153 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7154 } 7155 if (!intent.debugCheck()) { 7156 Log.w(TAG, "==> For Activity " + a.info.name); 7157 } 7158 addFilter(intent); 7159 } 7160 } 7161 7162 public final void removeActivity(PackageParser.Activity a, String type) { 7163 mActivities.remove(a.getComponentName()); 7164 if (DEBUG_SHOW_INFO) { 7165 Log.v(TAG, " " + type + " " 7166 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7167 : a.info.name) + ":"); 7168 Log.v(TAG, " Class=" + a.info.name); 7169 } 7170 final int NI = a.intents.size(); 7171 for (int j=0; j<NI; j++) { 7172 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7173 if (DEBUG_SHOW_INFO) { 7174 Log.v(TAG, " IntentFilter:"); 7175 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7176 } 7177 removeFilter(intent); 7178 } 7179 } 7180 7181 @Override 7182 protected boolean allowFilterResult( 7183 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7184 ActivityInfo filterAi = filter.activity.info; 7185 for (int i=dest.size()-1; i>=0; i--) { 7186 ActivityInfo destAi = dest.get(i).activityInfo; 7187 if (destAi.name == filterAi.name 7188 && destAi.packageName == filterAi.packageName) { 7189 return false; 7190 } 7191 } 7192 return true; 7193 } 7194 7195 @Override 7196 protected ActivityIntentInfo[] newArray(int size) { 7197 return new ActivityIntentInfo[size]; 7198 } 7199 7200 @Override 7201 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7202 if (!sUserManager.exists(userId)) return true; 7203 PackageParser.Package p = filter.activity.owner; 7204 if (p != null) { 7205 PackageSetting ps = (PackageSetting)p.mExtras; 7206 if (ps != null) { 7207 // System apps are never considered stopped for purposes of 7208 // filtering, because there may be no way for the user to 7209 // actually re-launch them. 7210 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7211 && ps.getStopped(userId); 7212 } 7213 } 7214 return false; 7215 } 7216 7217 @Override 7218 protected boolean isPackageForFilter(String packageName, 7219 PackageParser.ActivityIntentInfo info) { 7220 return packageName.equals(info.activity.owner.packageName); 7221 } 7222 7223 @Override 7224 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7225 int match, int userId) { 7226 if (!sUserManager.exists(userId)) return null; 7227 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7228 return null; 7229 } 7230 final PackageParser.Activity activity = info.activity; 7231 if (mSafeMode && (activity.info.applicationInfo.flags 7232 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7233 return null; 7234 } 7235 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7236 if (ps == null) { 7237 return null; 7238 } 7239 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7240 ps.readUserState(userId), userId); 7241 if (ai == null) { 7242 return null; 7243 } 7244 final ResolveInfo res = new ResolveInfo(); 7245 res.activityInfo = ai; 7246 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7247 res.filter = info; 7248 } 7249 res.priority = info.getPriority(); 7250 res.preferredOrder = activity.owner.mPreferredOrder; 7251 //System.out.println("Result: " + res.activityInfo.className + 7252 // " = " + res.priority); 7253 res.match = match; 7254 res.isDefault = info.hasDefault; 7255 res.labelRes = info.labelRes; 7256 res.nonLocalizedLabel = info.nonLocalizedLabel; 7257 if (userNeedsBadging(userId)) { 7258 res.noResourceId = true; 7259 } else { 7260 res.icon = info.icon; 7261 } 7262 res.system = isSystemApp(res.activityInfo.applicationInfo); 7263 return res; 7264 } 7265 7266 @Override 7267 protected void sortResults(List<ResolveInfo> results) { 7268 Collections.sort(results, mResolvePrioritySorter); 7269 } 7270 7271 @Override 7272 protected void dumpFilter(PrintWriter out, String prefix, 7273 PackageParser.ActivityIntentInfo filter) { 7274 out.print(prefix); out.print( 7275 Integer.toHexString(System.identityHashCode(filter.activity))); 7276 out.print(' '); 7277 filter.activity.printComponentShortName(out); 7278 out.print(" filter "); 7279 out.println(Integer.toHexString(System.identityHashCode(filter))); 7280 } 7281 7282// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7283// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7284// final List<ResolveInfo> retList = Lists.newArrayList(); 7285// while (i.hasNext()) { 7286// final ResolveInfo resolveInfo = i.next(); 7287// if (isEnabledLP(resolveInfo.activityInfo)) { 7288// retList.add(resolveInfo); 7289// } 7290// } 7291// return retList; 7292// } 7293 7294 // Keys are String (activity class name), values are Activity. 7295 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7296 = new HashMap<ComponentName, PackageParser.Activity>(); 7297 private int mFlags; 7298 } 7299 7300 private final class ServiceIntentResolver 7301 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7302 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7303 boolean defaultOnly, int userId) { 7304 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7305 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7306 } 7307 7308 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7309 int userId) { 7310 if (!sUserManager.exists(userId)) return null; 7311 mFlags = flags; 7312 return super.queryIntent(intent, resolvedType, 7313 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7314 } 7315 7316 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7317 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7318 if (!sUserManager.exists(userId)) return null; 7319 if (packageServices == null) { 7320 return null; 7321 } 7322 mFlags = flags; 7323 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7324 final int N = packageServices.size(); 7325 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7326 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7327 7328 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7329 for (int i = 0; i < N; ++i) { 7330 intentFilters = packageServices.get(i).intents; 7331 if (intentFilters != null && intentFilters.size() > 0) { 7332 PackageParser.ServiceIntentInfo[] array = 7333 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7334 intentFilters.toArray(array); 7335 listCut.add(array); 7336 } 7337 } 7338 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7339 } 7340 7341 public final void addService(PackageParser.Service s) { 7342 mServices.put(s.getComponentName(), s); 7343 if (DEBUG_SHOW_INFO) { 7344 Log.v(TAG, " " 7345 + (s.info.nonLocalizedLabel != null 7346 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7347 Log.v(TAG, " Class=" + s.info.name); 7348 } 7349 final int NI = s.intents.size(); 7350 int j; 7351 for (j=0; j<NI; j++) { 7352 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7353 if (DEBUG_SHOW_INFO) { 7354 Log.v(TAG, " IntentFilter:"); 7355 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7356 } 7357 if (!intent.debugCheck()) { 7358 Log.w(TAG, "==> For Service " + s.info.name); 7359 } 7360 addFilter(intent); 7361 } 7362 } 7363 7364 public final void removeService(PackageParser.Service s) { 7365 mServices.remove(s.getComponentName()); 7366 if (DEBUG_SHOW_INFO) { 7367 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7368 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7369 Log.v(TAG, " Class=" + s.info.name); 7370 } 7371 final int NI = s.intents.size(); 7372 int j; 7373 for (j=0; j<NI; j++) { 7374 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7375 if (DEBUG_SHOW_INFO) { 7376 Log.v(TAG, " IntentFilter:"); 7377 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7378 } 7379 removeFilter(intent); 7380 } 7381 } 7382 7383 @Override 7384 protected boolean allowFilterResult( 7385 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7386 ServiceInfo filterSi = filter.service.info; 7387 for (int i=dest.size()-1; i>=0; i--) { 7388 ServiceInfo destAi = dest.get(i).serviceInfo; 7389 if (destAi.name == filterSi.name 7390 && destAi.packageName == filterSi.packageName) { 7391 return false; 7392 } 7393 } 7394 return true; 7395 } 7396 7397 @Override 7398 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7399 return new PackageParser.ServiceIntentInfo[size]; 7400 } 7401 7402 @Override 7403 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7404 if (!sUserManager.exists(userId)) return true; 7405 PackageParser.Package p = filter.service.owner; 7406 if (p != null) { 7407 PackageSetting ps = (PackageSetting)p.mExtras; 7408 if (ps != null) { 7409 // System apps are never considered stopped for purposes of 7410 // filtering, because there may be no way for the user to 7411 // actually re-launch them. 7412 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7413 && ps.getStopped(userId); 7414 } 7415 } 7416 return false; 7417 } 7418 7419 @Override 7420 protected boolean isPackageForFilter(String packageName, 7421 PackageParser.ServiceIntentInfo info) { 7422 return packageName.equals(info.service.owner.packageName); 7423 } 7424 7425 @Override 7426 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7427 int match, int userId) { 7428 if (!sUserManager.exists(userId)) return null; 7429 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7430 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7431 return null; 7432 } 7433 final PackageParser.Service service = info.service; 7434 if (mSafeMode && (service.info.applicationInfo.flags 7435 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7436 return null; 7437 } 7438 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7439 if (ps == null) { 7440 return null; 7441 } 7442 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7443 ps.readUserState(userId), userId); 7444 if (si == null) { 7445 return null; 7446 } 7447 final ResolveInfo res = new ResolveInfo(); 7448 res.serviceInfo = si; 7449 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7450 res.filter = filter; 7451 } 7452 res.priority = info.getPriority(); 7453 res.preferredOrder = service.owner.mPreferredOrder; 7454 //System.out.println("Result: " + res.activityInfo.className + 7455 // " = " + res.priority); 7456 res.match = match; 7457 res.isDefault = info.hasDefault; 7458 res.labelRes = info.labelRes; 7459 res.nonLocalizedLabel = info.nonLocalizedLabel; 7460 res.icon = info.icon; 7461 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7462 return res; 7463 } 7464 7465 @Override 7466 protected void sortResults(List<ResolveInfo> results) { 7467 Collections.sort(results, mResolvePrioritySorter); 7468 } 7469 7470 @Override 7471 protected void dumpFilter(PrintWriter out, String prefix, 7472 PackageParser.ServiceIntentInfo filter) { 7473 out.print(prefix); out.print( 7474 Integer.toHexString(System.identityHashCode(filter.service))); 7475 out.print(' '); 7476 filter.service.printComponentShortName(out); 7477 out.print(" filter "); 7478 out.println(Integer.toHexString(System.identityHashCode(filter))); 7479 } 7480 7481// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7482// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7483// final List<ResolveInfo> retList = Lists.newArrayList(); 7484// while (i.hasNext()) { 7485// final ResolveInfo resolveInfo = (ResolveInfo) i; 7486// if (isEnabledLP(resolveInfo.serviceInfo)) { 7487// retList.add(resolveInfo); 7488// } 7489// } 7490// return retList; 7491// } 7492 7493 // Keys are String (activity class name), values are Activity. 7494 private final HashMap<ComponentName, PackageParser.Service> mServices 7495 = new HashMap<ComponentName, PackageParser.Service>(); 7496 private int mFlags; 7497 }; 7498 7499 private final class ProviderIntentResolver 7500 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7501 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7502 boolean defaultOnly, int userId) { 7503 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7504 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7505 } 7506 7507 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7508 int userId) { 7509 if (!sUserManager.exists(userId)) 7510 return null; 7511 mFlags = flags; 7512 return super.queryIntent(intent, resolvedType, 7513 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7514 } 7515 7516 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7517 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7518 if (!sUserManager.exists(userId)) 7519 return null; 7520 if (packageProviders == null) { 7521 return null; 7522 } 7523 mFlags = flags; 7524 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7525 final int N = packageProviders.size(); 7526 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7527 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7528 7529 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7530 for (int i = 0; i < N; ++i) { 7531 intentFilters = packageProviders.get(i).intents; 7532 if (intentFilters != null && intentFilters.size() > 0) { 7533 PackageParser.ProviderIntentInfo[] array = 7534 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7535 intentFilters.toArray(array); 7536 listCut.add(array); 7537 } 7538 } 7539 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7540 } 7541 7542 public final void addProvider(PackageParser.Provider p) { 7543 if (mProviders.containsKey(p.getComponentName())) { 7544 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7545 return; 7546 } 7547 7548 mProviders.put(p.getComponentName(), p); 7549 if (DEBUG_SHOW_INFO) { 7550 Log.v(TAG, " " 7551 + (p.info.nonLocalizedLabel != null 7552 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7553 Log.v(TAG, " Class=" + p.info.name); 7554 } 7555 final int NI = p.intents.size(); 7556 int j; 7557 for (j = 0; j < NI; j++) { 7558 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7559 if (DEBUG_SHOW_INFO) { 7560 Log.v(TAG, " IntentFilter:"); 7561 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7562 } 7563 if (!intent.debugCheck()) { 7564 Log.w(TAG, "==> For Provider " + p.info.name); 7565 } 7566 addFilter(intent); 7567 } 7568 } 7569 7570 public final void removeProvider(PackageParser.Provider p) { 7571 mProviders.remove(p.getComponentName()); 7572 if (DEBUG_SHOW_INFO) { 7573 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7574 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7575 Log.v(TAG, " Class=" + p.info.name); 7576 } 7577 final int NI = p.intents.size(); 7578 int j; 7579 for (j = 0; j < NI; j++) { 7580 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7581 if (DEBUG_SHOW_INFO) { 7582 Log.v(TAG, " IntentFilter:"); 7583 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7584 } 7585 removeFilter(intent); 7586 } 7587 } 7588 7589 @Override 7590 protected boolean allowFilterResult( 7591 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7592 ProviderInfo filterPi = filter.provider.info; 7593 for (int i = dest.size() - 1; i >= 0; i--) { 7594 ProviderInfo destPi = dest.get(i).providerInfo; 7595 if (destPi.name == filterPi.name 7596 && destPi.packageName == filterPi.packageName) { 7597 return false; 7598 } 7599 } 7600 return true; 7601 } 7602 7603 @Override 7604 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7605 return new PackageParser.ProviderIntentInfo[size]; 7606 } 7607 7608 @Override 7609 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7610 if (!sUserManager.exists(userId)) 7611 return true; 7612 PackageParser.Package p = filter.provider.owner; 7613 if (p != null) { 7614 PackageSetting ps = (PackageSetting) p.mExtras; 7615 if (ps != null) { 7616 // System apps are never considered stopped for purposes of 7617 // filtering, because there may be no way for the user to 7618 // actually re-launch them. 7619 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7620 && ps.getStopped(userId); 7621 } 7622 } 7623 return false; 7624 } 7625 7626 @Override 7627 protected boolean isPackageForFilter(String packageName, 7628 PackageParser.ProviderIntentInfo info) { 7629 return packageName.equals(info.provider.owner.packageName); 7630 } 7631 7632 @Override 7633 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7634 int match, int userId) { 7635 if (!sUserManager.exists(userId)) 7636 return null; 7637 final PackageParser.ProviderIntentInfo info = filter; 7638 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7639 return null; 7640 } 7641 final PackageParser.Provider provider = info.provider; 7642 if (mSafeMode && (provider.info.applicationInfo.flags 7643 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7644 return null; 7645 } 7646 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7647 if (ps == null) { 7648 return null; 7649 } 7650 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7651 ps.readUserState(userId), userId); 7652 if (pi == null) { 7653 return null; 7654 } 7655 final ResolveInfo res = new ResolveInfo(); 7656 res.providerInfo = pi; 7657 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7658 res.filter = filter; 7659 } 7660 res.priority = info.getPriority(); 7661 res.preferredOrder = provider.owner.mPreferredOrder; 7662 res.match = match; 7663 res.isDefault = info.hasDefault; 7664 res.labelRes = info.labelRes; 7665 res.nonLocalizedLabel = info.nonLocalizedLabel; 7666 res.icon = info.icon; 7667 res.system = isSystemApp(res.providerInfo.applicationInfo); 7668 return res; 7669 } 7670 7671 @Override 7672 protected void sortResults(List<ResolveInfo> results) { 7673 Collections.sort(results, mResolvePrioritySorter); 7674 } 7675 7676 @Override 7677 protected void dumpFilter(PrintWriter out, String prefix, 7678 PackageParser.ProviderIntentInfo filter) { 7679 out.print(prefix); 7680 out.print( 7681 Integer.toHexString(System.identityHashCode(filter.provider))); 7682 out.print(' '); 7683 filter.provider.printComponentShortName(out); 7684 out.print(" filter "); 7685 out.println(Integer.toHexString(System.identityHashCode(filter))); 7686 } 7687 7688 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7689 = new HashMap<ComponentName, PackageParser.Provider>(); 7690 private int mFlags; 7691 }; 7692 7693 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7694 new Comparator<ResolveInfo>() { 7695 public int compare(ResolveInfo r1, ResolveInfo r2) { 7696 int v1 = r1.priority; 7697 int v2 = r2.priority; 7698 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7699 if (v1 != v2) { 7700 return (v1 > v2) ? -1 : 1; 7701 } 7702 v1 = r1.preferredOrder; 7703 v2 = r2.preferredOrder; 7704 if (v1 != v2) { 7705 return (v1 > v2) ? -1 : 1; 7706 } 7707 if (r1.isDefault != r2.isDefault) { 7708 return r1.isDefault ? -1 : 1; 7709 } 7710 v1 = r1.match; 7711 v2 = r2.match; 7712 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7713 if (v1 != v2) { 7714 return (v1 > v2) ? -1 : 1; 7715 } 7716 if (r1.system != r2.system) { 7717 return r1.system ? -1 : 1; 7718 } 7719 return 0; 7720 } 7721 }; 7722 7723 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7724 new Comparator<ProviderInfo>() { 7725 public int compare(ProviderInfo p1, ProviderInfo p2) { 7726 final int v1 = p1.initOrder; 7727 final int v2 = p2.initOrder; 7728 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7729 } 7730 }; 7731 7732 static final void sendPackageBroadcast(String action, String pkg, 7733 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7734 int[] userIds) { 7735 IActivityManager am = ActivityManagerNative.getDefault(); 7736 if (am != null) { 7737 try { 7738 if (userIds == null) { 7739 userIds = am.getRunningUserIds(); 7740 } 7741 for (int id : userIds) { 7742 final Intent intent = new Intent(action, 7743 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7744 if (extras != null) { 7745 intent.putExtras(extras); 7746 } 7747 if (targetPkg != null) { 7748 intent.setPackage(targetPkg); 7749 } 7750 // Modify the UID when posting to other users 7751 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7752 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7753 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7754 intent.putExtra(Intent.EXTRA_UID, uid); 7755 } 7756 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7757 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7758 if (DEBUG_BROADCASTS) { 7759 RuntimeException here = new RuntimeException("here"); 7760 here.fillInStackTrace(); 7761 Slog.d(TAG, "Sending to user " + id + ": " 7762 + intent.toShortString(false, true, false, false) 7763 + " " + intent.getExtras(), here); 7764 } 7765 am.broadcastIntent(null, intent, null, finishedReceiver, 7766 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7767 finishedReceiver != null, false, id); 7768 } 7769 } catch (RemoteException ex) { 7770 } 7771 } 7772 } 7773 7774 /** 7775 * Check if the external storage media is available. This is true if there 7776 * is a mounted external storage medium or if the external storage is 7777 * emulated. 7778 */ 7779 private boolean isExternalMediaAvailable() { 7780 return mMediaMounted || Environment.isExternalStorageEmulated(); 7781 } 7782 7783 @Override 7784 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7785 // writer 7786 synchronized (mPackages) { 7787 if (!isExternalMediaAvailable()) { 7788 // If the external storage is no longer mounted at this point, 7789 // the caller may not have been able to delete all of this 7790 // packages files and can not delete any more. Bail. 7791 return null; 7792 } 7793 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7794 if (lastPackage != null) { 7795 pkgs.remove(lastPackage); 7796 } 7797 if (pkgs.size() > 0) { 7798 return pkgs.get(0); 7799 } 7800 } 7801 return null; 7802 } 7803 7804 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7805 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7806 userId, andCode ? 1 : 0, packageName); 7807 if (mSystemReady) { 7808 msg.sendToTarget(); 7809 } else { 7810 if (mPostSystemReadyMessages == null) { 7811 mPostSystemReadyMessages = new ArrayList<>(); 7812 } 7813 mPostSystemReadyMessages.add(msg); 7814 } 7815 } 7816 7817 void startCleaningPackages() { 7818 // reader 7819 synchronized (mPackages) { 7820 if (!isExternalMediaAvailable()) { 7821 return; 7822 } 7823 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7824 return; 7825 } 7826 } 7827 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7828 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7829 IActivityManager am = ActivityManagerNative.getDefault(); 7830 if (am != null) { 7831 try { 7832 am.startService(null, intent, null, UserHandle.USER_OWNER); 7833 } catch (RemoteException e) { 7834 } 7835 } 7836 } 7837 7838 @Override 7839 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7840 int installFlags, String installerPackageName, VerificationParams verificationParams, 7841 String packageAbiOverride) { 7842 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7843 packageAbiOverride, UserHandle.getCallingUserId()); 7844 } 7845 7846 @Override 7847 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7848 int installFlags, String installerPackageName, VerificationParams verificationParams, 7849 String packageAbiOverride, int userId) { 7850 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7851 7852 final int callingUid = Binder.getCallingUid(); 7853 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7854 7855 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7856 try { 7857 if (observer != null) { 7858 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7859 } 7860 } catch (RemoteException re) { 7861 } 7862 return; 7863 } 7864 7865 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7866 installFlags |= PackageManager.INSTALL_FROM_ADB; 7867 7868 } else { 7869 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7870 // about installerPackageName. 7871 7872 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7873 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7874 } 7875 7876 UserHandle user; 7877 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7878 user = UserHandle.ALL; 7879 } else { 7880 user = new UserHandle(userId); 7881 } 7882 7883 verificationParams.setInstallerUid(callingUid); 7884 7885 final File originFile = new File(originPath); 7886 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7887 7888 final Message msg = mHandler.obtainMessage(INIT_COPY); 7889 msg.obj = new InstallParams(origin, observer, installFlags, 7890 installerPackageName, verificationParams, user, packageAbiOverride); 7891 mHandler.sendMessage(msg); 7892 } 7893 7894 void installStage(String packageName, File stagedDir, String stagedCid, 7895 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7896 String installerPackageName, int installerUid, UserHandle user) { 7897 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7898 params.referrerUri, installerUid, null); 7899 7900 final OriginInfo origin; 7901 if (stagedDir != null) { 7902 origin = OriginInfo.fromStagedFile(stagedDir); 7903 } else { 7904 origin = OriginInfo.fromStagedContainer(stagedCid); 7905 } 7906 7907 final Message msg = mHandler.obtainMessage(INIT_COPY); 7908 msg.obj = new InstallParams(origin, observer, params.installFlags, 7909 installerPackageName, verifParams, user, params.abiOverride); 7910 mHandler.sendMessage(msg); 7911 } 7912 7913 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7914 Bundle extras = new Bundle(1); 7915 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7916 7917 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7918 packageName, extras, null, null, new int[] {userId}); 7919 try { 7920 IActivityManager am = ActivityManagerNative.getDefault(); 7921 final boolean isSystem = 7922 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7923 if (isSystem && am.isUserRunning(userId, false)) { 7924 // The just-installed/enabled app is bundled on the system, so presumed 7925 // to be able to run automatically without needing an explicit launch. 7926 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7927 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7928 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7929 .setPackage(packageName); 7930 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7931 android.app.AppOpsManager.OP_NONE, false, false, userId); 7932 } 7933 } catch (RemoteException e) { 7934 // shouldn't happen 7935 Slog.w(TAG, "Unable to bootstrap installed package", e); 7936 } 7937 } 7938 7939 @Override 7940 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7941 int userId) { 7942 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7943 PackageSetting pkgSetting; 7944 final int uid = Binder.getCallingUid(); 7945 enforceCrossUserPermission(uid, userId, true, true, 7946 "setApplicationHiddenSetting for user " + userId); 7947 7948 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7949 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7950 return false; 7951 } 7952 7953 long callingId = Binder.clearCallingIdentity(); 7954 try { 7955 boolean sendAdded = false; 7956 boolean sendRemoved = false; 7957 // writer 7958 synchronized (mPackages) { 7959 pkgSetting = mSettings.mPackages.get(packageName); 7960 if (pkgSetting == null) { 7961 return false; 7962 } 7963 if (pkgSetting.getHidden(userId) != hidden) { 7964 pkgSetting.setHidden(hidden, userId); 7965 mSettings.writePackageRestrictionsLPr(userId); 7966 if (hidden) { 7967 sendRemoved = true; 7968 } else { 7969 sendAdded = true; 7970 } 7971 } 7972 } 7973 if (sendAdded) { 7974 sendPackageAddedForUser(packageName, pkgSetting, userId); 7975 return true; 7976 } 7977 if (sendRemoved) { 7978 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7979 "hiding pkg"); 7980 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 7981 } 7982 } finally { 7983 Binder.restoreCallingIdentity(callingId); 7984 } 7985 return false; 7986 } 7987 7988 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 7989 int userId) { 7990 final PackageRemovedInfo info = new PackageRemovedInfo(); 7991 info.removedPackage = packageName; 7992 info.removedUsers = new int[] {userId}; 7993 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7994 info.sendBroadcast(false, false, false); 7995 } 7996 7997 /** 7998 * Returns true if application is not found or there was an error. Otherwise it returns 7999 * the hidden state of the package for the given user. 8000 */ 8001 @Override 8002 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8003 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8004 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8005 false, "getApplicationHidden for user " + userId); 8006 PackageSetting pkgSetting; 8007 long callingId = Binder.clearCallingIdentity(); 8008 try { 8009 // writer 8010 synchronized (mPackages) { 8011 pkgSetting = mSettings.mPackages.get(packageName); 8012 if (pkgSetting == null) { 8013 return true; 8014 } 8015 return pkgSetting.getHidden(userId); 8016 } 8017 } finally { 8018 Binder.restoreCallingIdentity(callingId); 8019 } 8020 } 8021 8022 /** 8023 * @hide 8024 */ 8025 @Override 8026 public int installExistingPackageAsUser(String packageName, int userId) { 8027 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8028 null); 8029 PackageSetting pkgSetting; 8030 final int uid = Binder.getCallingUid(); 8031 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8032 + userId); 8033 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8034 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8035 } 8036 8037 long callingId = Binder.clearCallingIdentity(); 8038 try { 8039 boolean sendAdded = false; 8040 Bundle extras = new Bundle(1); 8041 8042 // writer 8043 synchronized (mPackages) { 8044 pkgSetting = mSettings.mPackages.get(packageName); 8045 if (pkgSetting == null) { 8046 return PackageManager.INSTALL_FAILED_INVALID_URI; 8047 } 8048 if (!pkgSetting.getInstalled(userId)) { 8049 pkgSetting.setInstalled(true, userId); 8050 pkgSetting.setHidden(false, userId); 8051 mSettings.writePackageRestrictionsLPr(userId); 8052 sendAdded = true; 8053 } 8054 } 8055 8056 if (sendAdded) { 8057 sendPackageAddedForUser(packageName, pkgSetting, userId); 8058 } 8059 } finally { 8060 Binder.restoreCallingIdentity(callingId); 8061 } 8062 8063 return PackageManager.INSTALL_SUCCEEDED; 8064 } 8065 8066 boolean isUserRestricted(int userId, String restrictionKey) { 8067 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8068 if (restrictions.getBoolean(restrictionKey, false)) { 8069 Log.w(TAG, "User is restricted: " + restrictionKey); 8070 return true; 8071 } 8072 return false; 8073 } 8074 8075 @Override 8076 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8077 mContext.enforceCallingOrSelfPermission( 8078 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8079 "Only package verification agents can verify applications"); 8080 8081 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8082 final PackageVerificationResponse response = new PackageVerificationResponse( 8083 verificationCode, Binder.getCallingUid()); 8084 msg.arg1 = id; 8085 msg.obj = response; 8086 mHandler.sendMessage(msg); 8087 } 8088 8089 @Override 8090 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8091 long millisecondsToDelay) { 8092 mContext.enforceCallingOrSelfPermission( 8093 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8094 "Only package verification agents can extend verification timeouts"); 8095 8096 final PackageVerificationState state = mPendingVerification.get(id); 8097 final PackageVerificationResponse response = new PackageVerificationResponse( 8098 verificationCodeAtTimeout, Binder.getCallingUid()); 8099 8100 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8101 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8102 } 8103 if (millisecondsToDelay < 0) { 8104 millisecondsToDelay = 0; 8105 } 8106 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8107 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8108 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8109 } 8110 8111 if ((state != null) && !state.timeoutExtended()) { 8112 state.extendTimeout(); 8113 8114 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8115 msg.arg1 = id; 8116 msg.obj = response; 8117 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8118 } 8119 } 8120 8121 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8122 int verificationCode, UserHandle user) { 8123 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8124 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8125 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8126 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8127 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8128 8129 mContext.sendBroadcastAsUser(intent, user, 8130 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8131 } 8132 8133 private ComponentName matchComponentForVerifier(String packageName, 8134 List<ResolveInfo> receivers) { 8135 ActivityInfo targetReceiver = null; 8136 8137 final int NR = receivers.size(); 8138 for (int i = 0; i < NR; i++) { 8139 final ResolveInfo info = receivers.get(i); 8140 if (info.activityInfo == null) { 8141 continue; 8142 } 8143 8144 if (packageName.equals(info.activityInfo.packageName)) { 8145 targetReceiver = info.activityInfo; 8146 break; 8147 } 8148 } 8149 8150 if (targetReceiver == null) { 8151 return null; 8152 } 8153 8154 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8155 } 8156 8157 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8158 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8159 if (pkgInfo.verifiers.length == 0) { 8160 return null; 8161 } 8162 8163 final int N = pkgInfo.verifiers.length; 8164 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8165 for (int i = 0; i < N; i++) { 8166 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8167 8168 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8169 receivers); 8170 if (comp == null) { 8171 continue; 8172 } 8173 8174 final int verifierUid = getUidForVerifier(verifierInfo); 8175 if (verifierUid == -1) { 8176 continue; 8177 } 8178 8179 if (DEBUG_VERIFY) { 8180 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8181 + " with the correct signature"); 8182 } 8183 sufficientVerifiers.add(comp); 8184 verificationState.addSufficientVerifier(verifierUid); 8185 } 8186 8187 return sufficientVerifiers; 8188 } 8189 8190 private int getUidForVerifier(VerifierInfo verifierInfo) { 8191 synchronized (mPackages) { 8192 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8193 if (pkg == null) { 8194 return -1; 8195 } else if (pkg.mSignatures.length != 1) { 8196 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8197 + " has more than one signature; ignoring"); 8198 return -1; 8199 } 8200 8201 /* 8202 * If the public key of the package's signature does not match 8203 * our expected public key, then this is a different package and 8204 * we should skip. 8205 */ 8206 8207 final byte[] expectedPublicKey; 8208 try { 8209 final Signature verifierSig = pkg.mSignatures[0]; 8210 final PublicKey publicKey = verifierSig.getPublicKey(); 8211 expectedPublicKey = publicKey.getEncoded(); 8212 } catch (CertificateException e) { 8213 return -1; 8214 } 8215 8216 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8217 8218 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8219 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8220 + " does not have the expected public key; ignoring"); 8221 return -1; 8222 } 8223 8224 return pkg.applicationInfo.uid; 8225 } 8226 } 8227 8228 @Override 8229 public void finishPackageInstall(int token) { 8230 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8231 8232 if (DEBUG_INSTALL) { 8233 Slog.v(TAG, "BM finishing package install for " + token); 8234 } 8235 8236 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8237 mHandler.sendMessage(msg); 8238 } 8239 8240 /** 8241 * Get the verification agent timeout. 8242 * 8243 * @return verification timeout in milliseconds 8244 */ 8245 private long getVerificationTimeout() { 8246 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8247 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8248 DEFAULT_VERIFICATION_TIMEOUT); 8249 } 8250 8251 /** 8252 * Get the default verification agent response code. 8253 * 8254 * @return default verification response code 8255 */ 8256 private int getDefaultVerificationResponse() { 8257 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8258 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8259 DEFAULT_VERIFICATION_RESPONSE); 8260 } 8261 8262 /** 8263 * Check whether or not package verification has been enabled. 8264 * 8265 * @return true if verification should be performed 8266 */ 8267 private boolean isVerificationEnabled(int userId, int installFlags) { 8268 if (!DEFAULT_VERIFY_ENABLE) { 8269 return false; 8270 } 8271 8272 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8273 8274 // Check if installing from ADB 8275 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8276 // Do not run verification in a test harness environment 8277 if (ActivityManager.isRunningInTestHarness()) { 8278 return false; 8279 } 8280 if (ensureVerifyAppsEnabled) { 8281 return true; 8282 } 8283 // Check if the developer does not want package verification for ADB installs 8284 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8285 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8286 return false; 8287 } 8288 } 8289 8290 if (ensureVerifyAppsEnabled) { 8291 return true; 8292 } 8293 8294 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8295 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8296 } 8297 8298 /** 8299 * Get the "allow unknown sources" setting. 8300 * 8301 * @return the current "allow unknown sources" setting 8302 */ 8303 private int getUnknownSourcesSettings() { 8304 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8305 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8306 -1); 8307 } 8308 8309 @Override 8310 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8311 final int uid = Binder.getCallingUid(); 8312 // writer 8313 synchronized (mPackages) { 8314 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8315 if (targetPackageSetting == null) { 8316 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8317 } 8318 8319 PackageSetting installerPackageSetting; 8320 if (installerPackageName != null) { 8321 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8322 if (installerPackageSetting == null) { 8323 throw new IllegalArgumentException("Unknown installer package: " 8324 + installerPackageName); 8325 } 8326 } else { 8327 installerPackageSetting = null; 8328 } 8329 8330 Signature[] callerSignature; 8331 Object obj = mSettings.getUserIdLPr(uid); 8332 if (obj != null) { 8333 if (obj instanceof SharedUserSetting) { 8334 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8335 } else if (obj instanceof PackageSetting) { 8336 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8337 } else { 8338 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8339 } 8340 } else { 8341 throw new SecurityException("Unknown calling uid " + uid); 8342 } 8343 8344 // Verify: can't set installerPackageName to a package that is 8345 // not signed with the same cert as the caller. 8346 if (installerPackageSetting != null) { 8347 if (compareSignatures(callerSignature, 8348 installerPackageSetting.signatures.mSignatures) 8349 != PackageManager.SIGNATURE_MATCH) { 8350 throw new SecurityException( 8351 "Caller does not have same cert as new installer package " 8352 + installerPackageName); 8353 } 8354 } 8355 8356 // Verify: if target already has an installer package, it must 8357 // be signed with the same cert as the caller. 8358 if (targetPackageSetting.installerPackageName != null) { 8359 PackageSetting setting = mSettings.mPackages.get( 8360 targetPackageSetting.installerPackageName); 8361 // If the currently set package isn't valid, then it's always 8362 // okay to change it. 8363 if (setting != null) { 8364 if (compareSignatures(callerSignature, 8365 setting.signatures.mSignatures) 8366 != PackageManager.SIGNATURE_MATCH) { 8367 throw new SecurityException( 8368 "Caller does not have same cert as old installer package " 8369 + targetPackageSetting.installerPackageName); 8370 } 8371 } 8372 } 8373 8374 // Okay! 8375 targetPackageSetting.installerPackageName = installerPackageName; 8376 scheduleWriteSettingsLocked(); 8377 } 8378 } 8379 8380 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8381 // Queue up an async operation since the package installation may take a little while. 8382 mHandler.post(new Runnable() { 8383 public void run() { 8384 mHandler.removeCallbacks(this); 8385 // Result object to be returned 8386 PackageInstalledInfo res = new PackageInstalledInfo(); 8387 res.returnCode = currentStatus; 8388 res.uid = -1; 8389 res.pkg = null; 8390 res.removedInfo = new PackageRemovedInfo(); 8391 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8392 args.doPreInstall(res.returnCode); 8393 synchronized (mInstallLock) { 8394 installPackageLI(args, res); 8395 } 8396 args.doPostInstall(res.returnCode, res.uid); 8397 } 8398 8399 // A restore should be performed at this point if (a) the install 8400 // succeeded, (b) the operation is not an update, and (c) the new 8401 // package has not opted out of backup participation. 8402 final boolean update = res.removedInfo.removedPackage != null; 8403 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8404 boolean doRestore = !update 8405 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8406 8407 // Set up the post-install work request bookkeeping. This will be used 8408 // and cleaned up by the post-install event handling regardless of whether 8409 // there's a restore pass performed. Token values are >= 1. 8410 int token; 8411 if (mNextInstallToken < 0) mNextInstallToken = 1; 8412 token = mNextInstallToken++; 8413 8414 PostInstallData data = new PostInstallData(args, res); 8415 mRunningInstalls.put(token, data); 8416 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8417 8418 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8419 // Pass responsibility to the Backup Manager. It will perform a 8420 // restore if appropriate, then pass responsibility back to the 8421 // Package Manager to run the post-install observer callbacks 8422 // and broadcasts. 8423 IBackupManager bm = IBackupManager.Stub.asInterface( 8424 ServiceManager.getService(Context.BACKUP_SERVICE)); 8425 if (bm != null) { 8426 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8427 + " to BM for possible restore"); 8428 try { 8429 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8430 } catch (RemoteException e) { 8431 // can't happen; the backup manager is local 8432 } catch (Exception e) { 8433 Slog.e(TAG, "Exception trying to enqueue restore", e); 8434 doRestore = false; 8435 } 8436 } else { 8437 Slog.e(TAG, "Backup Manager not found!"); 8438 doRestore = false; 8439 } 8440 } 8441 8442 if (!doRestore) { 8443 // No restore possible, or the Backup Manager was mysteriously not 8444 // available -- just fire the post-install work request directly. 8445 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8446 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8447 mHandler.sendMessage(msg); 8448 } 8449 } 8450 }); 8451 } 8452 8453 private abstract class HandlerParams { 8454 private static final int MAX_RETRIES = 4; 8455 8456 /** 8457 * Number of times startCopy() has been attempted and had a non-fatal 8458 * error. 8459 */ 8460 private int mRetries = 0; 8461 8462 /** User handle for the user requesting the information or installation. */ 8463 private final UserHandle mUser; 8464 8465 HandlerParams(UserHandle user) { 8466 mUser = user; 8467 } 8468 8469 UserHandle getUser() { 8470 return mUser; 8471 } 8472 8473 final boolean startCopy() { 8474 boolean res; 8475 try { 8476 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8477 8478 if (++mRetries > MAX_RETRIES) { 8479 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8480 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8481 handleServiceError(); 8482 return false; 8483 } else { 8484 handleStartCopy(); 8485 res = true; 8486 } 8487 } catch (RemoteException e) { 8488 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8489 mHandler.sendEmptyMessage(MCS_RECONNECT); 8490 res = false; 8491 } 8492 handleReturnCode(); 8493 return res; 8494 } 8495 8496 final void serviceError() { 8497 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8498 handleServiceError(); 8499 handleReturnCode(); 8500 } 8501 8502 abstract void handleStartCopy() throws RemoteException; 8503 abstract void handleServiceError(); 8504 abstract void handleReturnCode(); 8505 } 8506 8507 class MeasureParams extends HandlerParams { 8508 private final PackageStats mStats; 8509 private boolean mSuccess; 8510 8511 private final IPackageStatsObserver mObserver; 8512 8513 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8514 super(new UserHandle(stats.userHandle)); 8515 mObserver = observer; 8516 mStats = stats; 8517 } 8518 8519 @Override 8520 public String toString() { 8521 return "MeasureParams{" 8522 + Integer.toHexString(System.identityHashCode(this)) 8523 + " " + mStats.packageName + "}"; 8524 } 8525 8526 @Override 8527 void handleStartCopy() throws RemoteException { 8528 synchronized (mInstallLock) { 8529 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8530 } 8531 8532 if (mSuccess) { 8533 final boolean mounted; 8534 if (Environment.isExternalStorageEmulated()) { 8535 mounted = true; 8536 } else { 8537 final String status = Environment.getExternalStorageState(); 8538 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8539 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8540 } 8541 8542 if (mounted) { 8543 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8544 8545 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8546 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8547 8548 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8549 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8550 8551 // Always subtract cache size, since it's a subdirectory 8552 mStats.externalDataSize -= mStats.externalCacheSize; 8553 8554 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8555 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8556 8557 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8558 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8559 } 8560 } 8561 } 8562 8563 @Override 8564 void handleReturnCode() { 8565 if (mObserver != null) { 8566 try { 8567 mObserver.onGetStatsCompleted(mStats, mSuccess); 8568 } catch (RemoteException e) { 8569 Slog.i(TAG, "Observer no longer exists."); 8570 } 8571 } 8572 } 8573 8574 @Override 8575 void handleServiceError() { 8576 Slog.e(TAG, "Could not measure application " + mStats.packageName 8577 + " external storage"); 8578 } 8579 } 8580 8581 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8582 throws RemoteException { 8583 long result = 0; 8584 for (File path : paths) { 8585 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8586 } 8587 return result; 8588 } 8589 8590 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8591 for (File path : paths) { 8592 try { 8593 mcs.clearDirectory(path.getAbsolutePath()); 8594 } catch (RemoteException e) { 8595 } 8596 } 8597 } 8598 8599 static class OriginInfo { 8600 /** 8601 * Location where install is coming from, before it has been 8602 * copied/renamed into place. This could be a single monolithic APK 8603 * file, or a cluster directory. This location may be untrusted. 8604 */ 8605 final File file; 8606 final String cid; 8607 8608 /** 8609 * Flag indicating that {@link #file} or {@link #cid} has already been 8610 * staged, meaning downstream users don't need to defensively copy the 8611 * contents. 8612 */ 8613 final boolean staged; 8614 8615 /** 8616 * Flag indicating that {@link #file} or {@link #cid} is an already 8617 * installed app that is being moved. 8618 */ 8619 final boolean existing; 8620 8621 final String resolvedPath; 8622 final File resolvedFile; 8623 8624 static OriginInfo fromNothing() { 8625 return new OriginInfo(null, null, false, false); 8626 } 8627 8628 static OriginInfo fromUntrustedFile(File file) { 8629 return new OriginInfo(file, null, false, false); 8630 } 8631 8632 static OriginInfo fromExistingFile(File file) { 8633 return new OriginInfo(file, null, false, true); 8634 } 8635 8636 static OriginInfo fromStagedFile(File file) { 8637 return new OriginInfo(file, null, true, false); 8638 } 8639 8640 static OriginInfo fromStagedContainer(String cid) { 8641 return new OriginInfo(null, cid, true, false); 8642 } 8643 8644 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8645 this.file = file; 8646 this.cid = cid; 8647 this.staged = staged; 8648 this.existing = existing; 8649 8650 if (cid != null) { 8651 resolvedPath = PackageHelper.getSdDir(cid); 8652 resolvedFile = new File(resolvedPath); 8653 } else if (file != null) { 8654 resolvedPath = file.getAbsolutePath(); 8655 resolvedFile = file; 8656 } else { 8657 resolvedPath = null; 8658 resolvedFile = null; 8659 } 8660 } 8661 } 8662 8663 class InstallParams extends HandlerParams { 8664 final OriginInfo origin; 8665 final IPackageInstallObserver2 observer; 8666 int installFlags; 8667 final String installerPackageName; 8668 final VerificationParams verificationParams; 8669 private InstallArgs mArgs; 8670 private int mRet; 8671 final String packageAbiOverride; 8672 8673 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8674 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8675 String packageAbiOverride) { 8676 super(user); 8677 this.origin = origin; 8678 this.observer = observer; 8679 this.installFlags = installFlags; 8680 this.installerPackageName = installerPackageName; 8681 this.verificationParams = verificationParams; 8682 this.packageAbiOverride = packageAbiOverride; 8683 } 8684 8685 @Override 8686 public String toString() { 8687 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8688 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8689 } 8690 8691 public ManifestDigest getManifestDigest() { 8692 if (verificationParams == null) { 8693 return null; 8694 } 8695 return verificationParams.getManifestDigest(); 8696 } 8697 8698 private int installLocationPolicy(PackageInfoLite pkgLite) { 8699 String packageName = pkgLite.packageName; 8700 int installLocation = pkgLite.installLocation; 8701 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8702 // reader 8703 synchronized (mPackages) { 8704 PackageParser.Package pkg = mPackages.get(packageName); 8705 if (pkg != null) { 8706 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8707 // Check for downgrading. 8708 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8709 if (pkgLite.versionCode < pkg.mVersionCode) { 8710 Slog.w(TAG, "Can't install update of " + packageName 8711 + " update version " + pkgLite.versionCode 8712 + " is older than installed version " 8713 + pkg.mVersionCode); 8714 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8715 } 8716 } 8717 // Check for updated system application. 8718 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8719 if (onSd) { 8720 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8721 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8722 } 8723 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8724 } else { 8725 if (onSd) { 8726 // Install flag overrides everything. 8727 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8728 } 8729 // If current upgrade specifies particular preference 8730 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8731 // Application explicitly specified internal. 8732 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8733 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8734 // App explictly prefers external. Let policy decide 8735 } else { 8736 // Prefer previous location 8737 if (isExternal(pkg)) { 8738 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8739 } 8740 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8741 } 8742 } 8743 } else { 8744 // Invalid install. Return error code 8745 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8746 } 8747 } 8748 } 8749 // All the special cases have been taken care of. 8750 // Return result based on recommended install location. 8751 if (onSd) { 8752 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8753 } 8754 return pkgLite.recommendedInstallLocation; 8755 } 8756 8757 /* 8758 * Invoke remote method to get package information and install 8759 * location values. Override install location based on default 8760 * policy if needed and then create install arguments based 8761 * on the install location. 8762 */ 8763 public void handleStartCopy() throws RemoteException { 8764 int ret = PackageManager.INSTALL_SUCCEEDED; 8765 8766 // If we're already staged, we've firmly committed to an install location 8767 if (origin.staged) { 8768 if (origin.file != null) { 8769 installFlags |= PackageManager.INSTALL_INTERNAL; 8770 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8771 } else if (origin.cid != null) { 8772 installFlags |= PackageManager.INSTALL_EXTERNAL; 8773 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8774 } else { 8775 throw new IllegalStateException("Invalid stage location"); 8776 } 8777 } 8778 8779 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8780 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8781 8782 PackageInfoLite pkgLite = null; 8783 8784 if (onInt && onSd) { 8785 // Check if both bits are set. 8786 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8787 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8788 } else { 8789 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8790 packageAbiOverride); 8791 8792 /* 8793 * If we have too little free space, try to free cache 8794 * before giving up. 8795 */ 8796 if (!origin.staged && pkgLite.recommendedInstallLocation 8797 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8798 // TODO: focus freeing disk space on the target device 8799 final StorageManager storage = StorageManager.from(mContext); 8800 final long lowThreshold = storage.getStorageLowBytes( 8801 Environment.getDataDirectory()); 8802 8803 final long sizeBytes = mContainerService.calculateInstalledSize( 8804 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8805 8806 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8807 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8808 installFlags, packageAbiOverride); 8809 } 8810 8811 /* 8812 * The cache free must have deleted the file we 8813 * downloaded to install. 8814 * 8815 * TODO: fix the "freeCache" call to not delete 8816 * the file we care about. 8817 */ 8818 if (pkgLite.recommendedInstallLocation 8819 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8820 pkgLite.recommendedInstallLocation 8821 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8822 } 8823 } 8824 } 8825 8826 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8827 int loc = pkgLite.recommendedInstallLocation; 8828 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8829 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8830 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8831 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8832 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8833 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8834 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8835 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8836 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8837 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8838 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8839 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8840 } else { 8841 // Override with defaults if needed. 8842 loc = installLocationPolicy(pkgLite); 8843 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8844 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8845 } else if (!onSd && !onInt) { 8846 // Override install location with flags 8847 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8848 // Set the flag to install on external media. 8849 installFlags |= PackageManager.INSTALL_EXTERNAL; 8850 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8851 } else { 8852 // Make sure the flag for installing on external 8853 // media is unset 8854 installFlags |= PackageManager.INSTALL_INTERNAL; 8855 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8856 } 8857 } 8858 } 8859 } 8860 8861 final InstallArgs args = createInstallArgs(this); 8862 mArgs = args; 8863 8864 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8865 /* 8866 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8867 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8868 */ 8869 int userIdentifier = getUser().getIdentifier(); 8870 if (userIdentifier == UserHandle.USER_ALL 8871 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8872 userIdentifier = UserHandle.USER_OWNER; 8873 } 8874 8875 /* 8876 * Determine if we have any installed package verifiers. If we 8877 * do, then we'll defer to them to verify the packages. 8878 */ 8879 final int requiredUid = mRequiredVerifierPackage == null ? -1 8880 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8881 if (!origin.existing && requiredUid != -1 8882 && isVerificationEnabled(userIdentifier, installFlags)) { 8883 final Intent verification = new Intent( 8884 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8885 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8886 PACKAGE_MIME_TYPE); 8887 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8888 8889 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8890 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8891 0 /* TODO: Which userId? */); 8892 8893 if (DEBUG_VERIFY) { 8894 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8895 + verification.toString() + " with " + pkgLite.verifiers.length 8896 + " optional verifiers"); 8897 } 8898 8899 final int verificationId = mPendingVerificationToken++; 8900 8901 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8902 8903 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8904 installerPackageName); 8905 8906 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8907 installFlags); 8908 8909 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8910 pkgLite.packageName); 8911 8912 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8913 pkgLite.versionCode); 8914 8915 if (verificationParams != null) { 8916 if (verificationParams.getVerificationURI() != null) { 8917 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8918 verificationParams.getVerificationURI()); 8919 } 8920 if (verificationParams.getOriginatingURI() != null) { 8921 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8922 verificationParams.getOriginatingURI()); 8923 } 8924 if (verificationParams.getReferrer() != null) { 8925 verification.putExtra(Intent.EXTRA_REFERRER, 8926 verificationParams.getReferrer()); 8927 } 8928 if (verificationParams.getOriginatingUid() >= 0) { 8929 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8930 verificationParams.getOriginatingUid()); 8931 } 8932 if (verificationParams.getInstallerUid() >= 0) { 8933 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8934 verificationParams.getInstallerUid()); 8935 } 8936 } 8937 8938 final PackageVerificationState verificationState = new PackageVerificationState( 8939 requiredUid, args); 8940 8941 mPendingVerification.append(verificationId, verificationState); 8942 8943 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8944 receivers, verificationState); 8945 8946 /* 8947 * If any sufficient verifiers were listed in the package 8948 * manifest, attempt to ask them. 8949 */ 8950 if (sufficientVerifiers != null) { 8951 final int N = sufficientVerifiers.size(); 8952 if (N == 0) { 8953 Slog.i(TAG, "Additional verifiers required, but none installed."); 8954 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8955 } else { 8956 for (int i = 0; i < N; i++) { 8957 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8958 8959 final Intent sufficientIntent = new Intent(verification); 8960 sufficientIntent.setComponent(verifierComponent); 8961 8962 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8963 } 8964 } 8965 } 8966 8967 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8968 mRequiredVerifierPackage, receivers); 8969 if (ret == PackageManager.INSTALL_SUCCEEDED 8970 && mRequiredVerifierPackage != null) { 8971 /* 8972 * Send the intent to the required verification agent, 8973 * but only start the verification timeout after the 8974 * target BroadcastReceivers have run. 8975 */ 8976 verification.setComponent(requiredVerifierComponent); 8977 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8978 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8979 new BroadcastReceiver() { 8980 @Override 8981 public void onReceive(Context context, Intent intent) { 8982 final Message msg = mHandler 8983 .obtainMessage(CHECK_PENDING_VERIFICATION); 8984 msg.arg1 = verificationId; 8985 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8986 } 8987 }, null, 0, null, null); 8988 8989 /* 8990 * We don't want the copy to proceed until verification 8991 * succeeds, so null out this field. 8992 */ 8993 mArgs = null; 8994 } 8995 } else { 8996 /* 8997 * No package verification is enabled, so immediately start 8998 * the remote call to initiate copy using temporary file. 8999 */ 9000 ret = args.copyApk(mContainerService, true); 9001 } 9002 } 9003 9004 mRet = ret; 9005 } 9006 9007 @Override 9008 void handleReturnCode() { 9009 // If mArgs is null, then MCS couldn't be reached. When it 9010 // reconnects, it will try again to install. At that point, this 9011 // will succeed. 9012 if (mArgs != null) { 9013 processPendingInstall(mArgs, mRet); 9014 } 9015 } 9016 9017 @Override 9018 void handleServiceError() { 9019 mArgs = createInstallArgs(this); 9020 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9021 } 9022 9023 public boolean isForwardLocked() { 9024 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9025 } 9026 } 9027 9028 /** 9029 * Used during creation of InstallArgs 9030 * 9031 * @param installFlags package installation flags 9032 * @return true if should be installed on external storage 9033 */ 9034 private static boolean installOnSd(int installFlags) { 9035 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9036 return false; 9037 } 9038 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9039 return true; 9040 } 9041 return false; 9042 } 9043 9044 /** 9045 * Used during creation of InstallArgs 9046 * 9047 * @param installFlags package installation flags 9048 * @return true if should be installed as forward locked 9049 */ 9050 private static boolean installForwardLocked(int installFlags) { 9051 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9052 } 9053 9054 private InstallArgs createInstallArgs(InstallParams params) { 9055 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9056 return new AsecInstallArgs(params); 9057 } else { 9058 return new FileInstallArgs(params); 9059 } 9060 } 9061 9062 /** 9063 * Create args that describe an existing installed package. Typically used 9064 * when cleaning up old installs, or used as a move source. 9065 */ 9066 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9067 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9068 final boolean isInAsec; 9069 if (installOnSd(installFlags)) { 9070 /* Apps on SD card are always in ASEC containers. */ 9071 isInAsec = true; 9072 } else if (installForwardLocked(installFlags) 9073 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9074 /* 9075 * Forward-locked apps are only in ASEC containers if they're the 9076 * new style 9077 */ 9078 isInAsec = true; 9079 } else { 9080 isInAsec = false; 9081 } 9082 9083 if (isInAsec) { 9084 return new AsecInstallArgs(codePath, instructionSets, 9085 installOnSd(installFlags), installForwardLocked(installFlags)); 9086 } else { 9087 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9088 instructionSets); 9089 } 9090 } 9091 9092 static abstract class InstallArgs { 9093 /** @see InstallParams#origin */ 9094 final OriginInfo origin; 9095 9096 final IPackageInstallObserver2 observer; 9097 // Always refers to PackageManager flags only 9098 final int installFlags; 9099 final String installerPackageName; 9100 final ManifestDigest manifestDigest; 9101 final UserHandle user; 9102 final String abiOverride; 9103 9104 // The list of instruction sets supported by this app. This is currently 9105 // only used during the rmdex() phase to clean up resources. We can get rid of this 9106 // if we move dex files under the common app path. 9107 /* nullable */ String[] instructionSets; 9108 9109 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9110 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9111 String[] instructionSets, String abiOverride) { 9112 this.origin = origin; 9113 this.installFlags = installFlags; 9114 this.observer = observer; 9115 this.installerPackageName = installerPackageName; 9116 this.manifestDigest = manifestDigest; 9117 this.user = user; 9118 this.instructionSets = instructionSets; 9119 this.abiOverride = abiOverride; 9120 } 9121 9122 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9123 abstract int doPreInstall(int status); 9124 9125 /** 9126 * Rename package into final resting place. All paths on the given 9127 * scanned package should be updated to reflect the rename. 9128 */ 9129 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9130 abstract int doPostInstall(int status, int uid); 9131 9132 /** @see PackageSettingBase#codePathString */ 9133 abstract String getCodePath(); 9134 /** @see PackageSettingBase#resourcePathString */ 9135 abstract String getResourcePath(); 9136 abstract String getLegacyNativeLibraryPath(); 9137 9138 // Need installer lock especially for dex file removal. 9139 abstract void cleanUpResourcesLI(); 9140 abstract boolean doPostDeleteLI(boolean delete); 9141 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9142 9143 /** 9144 * Called before the source arguments are copied. This is used mostly 9145 * for MoveParams when it needs to read the source file to put it in the 9146 * destination. 9147 */ 9148 int doPreCopy() { 9149 return PackageManager.INSTALL_SUCCEEDED; 9150 } 9151 9152 /** 9153 * Called after the source arguments are copied. This is used mostly for 9154 * MoveParams when it needs to read the source file to put it in the 9155 * destination. 9156 * 9157 * @return 9158 */ 9159 int doPostCopy(int uid) { 9160 return PackageManager.INSTALL_SUCCEEDED; 9161 } 9162 9163 protected boolean isFwdLocked() { 9164 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9165 } 9166 9167 protected boolean isExternal() { 9168 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9169 } 9170 9171 UserHandle getUser() { 9172 return user; 9173 } 9174 } 9175 9176 /** 9177 * Logic to handle installation of non-ASEC applications, including copying 9178 * and renaming logic. 9179 */ 9180 class FileInstallArgs extends InstallArgs { 9181 private File codeFile; 9182 private File resourceFile; 9183 private File legacyNativeLibraryPath; 9184 9185 // Example topology: 9186 // /data/app/com.example/base.apk 9187 // /data/app/com.example/split_foo.apk 9188 // /data/app/com.example/lib/arm/libfoo.so 9189 // /data/app/com.example/lib/arm64/libfoo.so 9190 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9191 9192 /** New install */ 9193 FileInstallArgs(InstallParams params) { 9194 super(params.origin, params.observer, params.installFlags, 9195 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9196 null /* instruction sets */, params.packageAbiOverride); 9197 if (isFwdLocked()) { 9198 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9199 } 9200 } 9201 9202 /** Existing install */ 9203 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9204 String[] instructionSets) { 9205 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9206 this.codeFile = (codePath != null) ? new File(codePath) : null; 9207 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9208 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9209 new File(legacyNativeLibraryPath) : null; 9210 } 9211 9212 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9213 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9214 isFwdLocked(), abiOverride); 9215 9216 final StorageManager storage = StorageManager.from(mContext); 9217 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9218 } 9219 9220 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9221 if (origin.staged) { 9222 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9223 codeFile = origin.file; 9224 resourceFile = origin.file; 9225 return PackageManager.INSTALL_SUCCEEDED; 9226 } 9227 9228 try { 9229 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9230 codeFile = tempDir; 9231 resourceFile = tempDir; 9232 } catch (IOException e) { 9233 Slog.w(TAG, "Failed to create copy file: " + e); 9234 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9235 } 9236 9237 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9238 @Override 9239 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9240 if (!FileUtils.isValidExtFilename(name)) { 9241 throw new IllegalArgumentException("Invalid filename: " + name); 9242 } 9243 try { 9244 final File file = new File(codeFile, name); 9245 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9246 O_RDWR | O_CREAT, 0644); 9247 Os.chmod(file.getAbsolutePath(), 0644); 9248 return new ParcelFileDescriptor(fd); 9249 } catch (ErrnoException e) { 9250 throw new RemoteException("Failed to open: " + e.getMessage()); 9251 } 9252 } 9253 }; 9254 9255 int ret = PackageManager.INSTALL_SUCCEEDED; 9256 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9257 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9258 Slog.e(TAG, "Failed to copy package"); 9259 return ret; 9260 } 9261 9262 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9263 NativeLibraryHelper.Handle handle = null; 9264 try { 9265 handle = NativeLibraryHelper.Handle.create(codeFile); 9266 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9267 abiOverride); 9268 } catch (IOException e) { 9269 Slog.e(TAG, "Copying native libraries failed", e); 9270 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9271 } finally { 9272 IoUtils.closeQuietly(handle); 9273 } 9274 9275 return ret; 9276 } 9277 9278 int doPreInstall(int status) { 9279 if (status != PackageManager.INSTALL_SUCCEEDED) { 9280 cleanUp(); 9281 } 9282 return status; 9283 } 9284 9285 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9286 if (status != PackageManager.INSTALL_SUCCEEDED) { 9287 cleanUp(); 9288 return false; 9289 } else { 9290 final File beforeCodeFile = codeFile; 9291 final File afterCodeFile = getNextCodePath(pkg.packageName); 9292 9293 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9294 try { 9295 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9296 } catch (ErrnoException e) { 9297 Slog.d(TAG, "Failed to rename", e); 9298 return false; 9299 } 9300 9301 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9302 Slog.d(TAG, "Failed to restorecon"); 9303 return false; 9304 } 9305 9306 // Reflect the rename internally 9307 codeFile = afterCodeFile; 9308 resourceFile = afterCodeFile; 9309 9310 // Reflect the rename in scanned details 9311 pkg.codePath = afterCodeFile.getAbsolutePath(); 9312 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9313 pkg.baseCodePath); 9314 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9315 pkg.splitCodePaths); 9316 9317 // Reflect the rename in app info 9318 pkg.applicationInfo.setCodePath(pkg.codePath); 9319 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9320 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9321 pkg.applicationInfo.setResourcePath(pkg.codePath); 9322 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9323 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9324 9325 return true; 9326 } 9327 } 9328 9329 int doPostInstall(int status, int uid) { 9330 if (status != PackageManager.INSTALL_SUCCEEDED) { 9331 cleanUp(); 9332 } 9333 return status; 9334 } 9335 9336 @Override 9337 String getCodePath() { 9338 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9339 } 9340 9341 @Override 9342 String getResourcePath() { 9343 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9344 } 9345 9346 @Override 9347 String getLegacyNativeLibraryPath() { 9348 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9349 } 9350 9351 private boolean cleanUp() { 9352 if (codeFile == null || !codeFile.exists()) { 9353 return false; 9354 } 9355 9356 if (codeFile.isDirectory()) { 9357 FileUtils.deleteContents(codeFile); 9358 } 9359 codeFile.delete(); 9360 9361 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9362 resourceFile.delete(); 9363 } 9364 9365 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9366 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9367 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9368 } 9369 legacyNativeLibraryPath.delete(); 9370 } 9371 9372 return true; 9373 } 9374 9375 void cleanUpResourcesLI() { 9376 // Try enumerating all code paths before deleting 9377 List<String> allCodePaths = Collections.EMPTY_LIST; 9378 if (codeFile != null && codeFile.exists()) { 9379 try { 9380 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9381 allCodePaths = pkg.getAllCodePaths(); 9382 } catch (PackageParserException e) { 9383 // Ignored; we tried our best 9384 } 9385 } 9386 9387 cleanUp(); 9388 9389 if (!allCodePaths.isEmpty()) { 9390 if (instructionSets == null) { 9391 throw new IllegalStateException("instructionSet == null"); 9392 } 9393 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9394 for (String codePath : allCodePaths) { 9395 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9396 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9397 if (retCode < 0) { 9398 Slog.w(TAG, "Couldn't remove dex file for package: " 9399 + " at location " + codePath + ", retcode=" + retCode); 9400 // we don't consider this to be a failure of the core package deletion 9401 } 9402 } 9403 } 9404 } 9405 } 9406 9407 boolean doPostDeleteLI(boolean delete) { 9408 // XXX err, shouldn't we respect the delete flag? 9409 cleanUpResourcesLI(); 9410 return true; 9411 } 9412 } 9413 9414 private boolean isAsecExternal(String cid) { 9415 final String asecPath = PackageHelper.getSdFilesystem(cid); 9416 return !asecPath.startsWith(mAsecInternalPath); 9417 } 9418 9419 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9420 PackageManagerException { 9421 if (copyRet < 0) { 9422 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9423 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9424 throw new PackageManagerException(copyRet, message); 9425 } 9426 } 9427 } 9428 9429 /** 9430 * Extract the MountService "container ID" from the full code path of an 9431 * .apk. 9432 */ 9433 static String cidFromCodePath(String fullCodePath) { 9434 int eidx = fullCodePath.lastIndexOf("/"); 9435 String subStr1 = fullCodePath.substring(0, eidx); 9436 int sidx = subStr1.lastIndexOf("/"); 9437 return subStr1.substring(sidx+1, eidx); 9438 } 9439 9440 /** 9441 * Logic to handle installation of ASEC applications, including copying and 9442 * renaming logic. 9443 */ 9444 class AsecInstallArgs extends InstallArgs { 9445 static final String RES_FILE_NAME = "pkg.apk"; 9446 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9447 9448 String cid; 9449 String packagePath; 9450 String resourcePath; 9451 String legacyNativeLibraryDir; 9452 9453 /** New install */ 9454 AsecInstallArgs(InstallParams params) { 9455 super(params.origin, params.observer, params.installFlags, 9456 params.installerPackageName, params.getManifestDigest(), 9457 params.getUser(), null /* instruction sets */, 9458 params.packageAbiOverride); 9459 } 9460 9461 /** Existing install */ 9462 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9463 boolean isExternal, boolean isForwardLocked) { 9464 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9465 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9466 instructionSets, null); 9467 // Hackily pretend we're still looking at a full code path 9468 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9469 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9470 } 9471 9472 // Extract cid from fullCodePath 9473 int eidx = fullCodePath.lastIndexOf("/"); 9474 String subStr1 = fullCodePath.substring(0, eidx); 9475 int sidx = subStr1.lastIndexOf("/"); 9476 cid = subStr1.substring(sidx+1, eidx); 9477 setMountPath(subStr1); 9478 } 9479 9480 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9481 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9482 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9483 instructionSets, null); 9484 this.cid = cid; 9485 setMountPath(PackageHelper.getSdDir(cid)); 9486 } 9487 9488 void createCopyFile() { 9489 cid = mInstallerService.allocateExternalStageCidLegacy(); 9490 } 9491 9492 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9493 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9494 abiOverride); 9495 9496 final File target; 9497 if (isExternal()) { 9498 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9499 } else { 9500 target = Environment.getDataDirectory(); 9501 } 9502 9503 final StorageManager storage = StorageManager.from(mContext); 9504 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9505 } 9506 9507 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9508 if (origin.staged) { 9509 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9510 cid = origin.cid; 9511 setMountPath(PackageHelper.getSdDir(cid)); 9512 return PackageManager.INSTALL_SUCCEEDED; 9513 } 9514 9515 if (temp) { 9516 createCopyFile(); 9517 } else { 9518 /* 9519 * Pre-emptively destroy the container since it's destroyed if 9520 * copying fails due to it existing anyway. 9521 */ 9522 PackageHelper.destroySdDir(cid); 9523 } 9524 9525 final String newMountPath = imcs.copyPackageToContainer( 9526 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9527 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9528 9529 if (newMountPath != null) { 9530 setMountPath(newMountPath); 9531 return PackageManager.INSTALL_SUCCEEDED; 9532 } else { 9533 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9534 } 9535 } 9536 9537 @Override 9538 String getCodePath() { 9539 return packagePath; 9540 } 9541 9542 @Override 9543 String getResourcePath() { 9544 return resourcePath; 9545 } 9546 9547 @Override 9548 String getLegacyNativeLibraryPath() { 9549 return legacyNativeLibraryDir; 9550 } 9551 9552 int doPreInstall(int status) { 9553 if (status != PackageManager.INSTALL_SUCCEEDED) { 9554 // Destroy container 9555 PackageHelper.destroySdDir(cid); 9556 } else { 9557 boolean mounted = PackageHelper.isContainerMounted(cid); 9558 if (!mounted) { 9559 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9560 Process.SYSTEM_UID); 9561 if (newMountPath != null) { 9562 setMountPath(newMountPath); 9563 } else { 9564 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9565 } 9566 } 9567 } 9568 return status; 9569 } 9570 9571 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9572 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9573 String newMountPath = null; 9574 if (PackageHelper.isContainerMounted(cid)) { 9575 // Unmount the container 9576 if (!PackageHelper.unMountSdDir(cid)) { 9577 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9578 return false; 9579 } 9580 } 9581 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9582 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9583 " which might be stale. Will try to clean up."); 9584 // Clean up the stale container and proceed to recreate. 9585 if (!PackageHelper.destroySdDir(newCacheId)) { 9586 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9587 return false; 9588 } 9589 // Successfully cleaned up stale container. Try to rename again. 9590 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9591 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9592 + " inspite of cleaning it up."); 9593 return false; 9594 } 9595 } 9596 if (!PackageHelper.isContainerMounted(newCacheId)) { 9597 Slog.w(TAG, "Mounting container " + newCacheId); 9598 newMountPath = PackageHelper.mountSdDir(newCacheId, 9599 getEncryptKey(), Process.SYSTEM_UID); 9600 } else { 9601 newMountPath = PackageHelper.getSdDir(newCacheId); 9602 } 9603 if (newMountPath == null) { 9604 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9605 return false; 9606 } 9607 Log.i(TAG, "Succesfully renamed " + cid + 9608 " to " + newCacheId + 9609 " at new path: " + newMountPath); 9610 cid = newCacheId; 9611 9612 final File beforeCodeFile = new File(packagePath); 9613 setMountPath(newMountPath); 9614 final File afterCodeFile = new File(packagePath); 9615 9616 // Reflect the rename in scanned details 9617 pkg.codePath = afterCodeFile.getAbsolutePath(); 9618 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9619 pkg.baseCodePath); 9620 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9621 pkg.splitCodePaths); 9622 9623 // Reflect the rename in app info 9624 pkg.applicationInfo.setCodePath(pkg.codePath); 9625 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9626 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9627 pkg.applicationInfo.setResourcePath(pkg.codePath); 9628 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9629 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9630 9631 return true; 9632 } 9633 9634 private void setMountPath(String mountPath) { 9635 final File mountFile = new File(mountPath); 9636 9637 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9638 if (monolithicFile.exists()) { 9639 packagePath = monolithicFile.getAbsolutePath(); 9640 if (isFwdLocked()) { 9641 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9642 } else { 9643 resourcePath = packagePath; 9644 } 9645 } else { 9646 packagePath = mountFile.getAbsolutePath(); 9647 resourcePath = packagePath; 9648 } 9649 9650 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9651 } 9652 9653 int doPostInstall(int status, int uid) { 9654 if (status != PackageManager.INSTALL_SUCCEEDED) { 9655 cleanUp(); 9656 } else { 9657 final int groupOwner; 9658 final String protectedFile; 9659 if (isFwdLocked()) { 9660 groupOwner = UserHandle.getSharedAppGid(uid); 9661 protectedFile = RES_FILE_NAME; 9662 } else { 9663 groupOwner = -1; 9664 protectedFile = null; 9665 } 9666 9667 if (uid < Process.FIRST_APPLICATION_UID 9668 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9669 Slog.e(TAG, "Failed to finalize " + cid); 9670 PackageHelper.destroySdDir(cid); 9671 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9672 } 9673 9674 boolean mounted = PackageHelper.isContainerMounted(cid); 9675 if (!mounted) { 9676 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9677 } 9678 } 9679 return status; 9680 } 9681 9682 private void cleanUp() { 9683 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9684 9685 // Destroy secure container 9686 PackageHelper.destroySdDir(cid); 9687 } 9688 9689 private List<String> getAllCodePaths() { 9690 final File codeFile = new File(getCodePath()); 9691 if (codeFile != null && codeFile.exists()) { 9692 try { 9693 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9694 return pkg.getAllCodePaths(); 9695 } catch (PackageParserException e) { 9696 // Ignored; we tried our best 9697 } 9698 } 9699 return Collections.EMPTY_LIST; 9700 } 9701 9702 void cleanUpResourcesLI() { 9703 // Enumerate all code paths before deleting 9704 cleanUpResourcesLI(getAllCodePaths()); 9705 } 9706 9707 private void cleanUpResourcesLI(List<String> allCodePaths) { 9708 cleanUp(); 9709 9710 if (!allCodePaths.isEmpty()) { 9711 if (instructionSets == null) { 9712 throw new IllegalStateException("instructionSet == null"); 9713 } 9714 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9715 for (String codePath : allCodePaths) { 9716 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9717 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9718 if (retCode < 0) { 9719 Slog.w(TAG, "Couldn't remove dex file for package: " 9720 + " at location " + codePath + ", retcode=" + retCode); 9721 // we don't consider this to be a failure of the core package deletion 9722 } 9723 } 9724 } 9725 } 9726 } 9727 9728 boolean matchContainer(String app) { 9729 if (cid.startsWith(app)) { 9730 return true; 9731 } 9732 return false; 9733 } 9734 9735 String getPackageName() { 9736 return getAsecPackageName(cid); 9737 } 9738 9739 boolean doPostDeleteLI(boolean delete) { 9740 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9741 final List<String> allCodePaths = getAllCodePaths(); 9742 boolean mounted = PackageHelper.isContainerMounted(cid); 9743 if (mounted) { 9744 // Unmount first 9745 if (PackageHelper.unMountSdDir(cid)) { 9746 mounted = false; 9747 } 9748 } 9749 if (!mounted && delete) { 9750 cleanUpResourcesLI(allCodePaths); 9751 } 9752 return !mounted; 9753 } 9754 9755 @Override 9756 int doPreCopy() { 9757 if (isFwdLocked()) { 9758 if (!PackageHelper.fixSdPermissions(cid, 9759 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9760 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9761 } 9762 } 9763 9764 return PackageManager.INSTALL_SUCCEEDED; 9765 } 9766 9767 @Override 9768 int doPostCopy(int uid) { 9769 if (isFwdLocked()) { 9770 if (uid < Process.FIRST_APPLICATION_UID 9771 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9772 RES_FILE_NAME)) { 9773 Slog.e(TAG, "Failed to finalize " + cid); 9774 PackageHelper.destroySdDir(cid); 9775 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9776 } 9777 } 9778 9779 return PackageManager.INSTALL_SUCCEEDED; 9780 } 9781 } 9782 9783 static String getAsecPackageName(String packageCid) { 9784 int idx = packageCid.lastIndexOf("-"); 9785 if (idx == -1) { 9786 return packageCid; 9787 } 9788 return packageCid.substring(0, idx); 9789 } 9790 9791 // Utility method used to create code paths based on package name and available index. 9792 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9793 String idxStr = ""; 9794 int idx = 1; 9795 // Fall back to default value of idx=1 if prefix is not 9796 // part of oldCodePath 9797 if (oldCodePath != null) { 9798 String subStr = oldCodePath; 9799 // Drop the suffix right away 9800 if (suffix != null && subStr.endsWith(suffix)) { 9801 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9802 } 9803 // If oldCodePath already contains prefix find out the 9804 // ending index to either increment or decrement. 9805 int sidx = subStr.lastIndexOf(prefix); 9806 if (sidx != -1) { 9807 subStr = subStr.substring(sidx + prefix.length()); 9808 if (subStr != null) { 9809 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9810 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9811 } 9812 try { 9813 idx = Integer.parseInt(subStr); 9814 if (idx <= 1) { 9815 idx++; 9816 } else { 9817 idx--; 9818 } 9819 } catch(NumberFormatException e) { 9820 } 9821 } 9822 } 9823 } 9824 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9825 return prefix + idxStr; 9826 } 9827 9828 private File getNextCodePath(String packageName) { 9829 int suffix = 1; 9830 File result; 9831 do { 9832 result = new File(mAppInstallDir, packageName + "-" + suffix); 9833 suffix++; 9834 } while (result.exists()); 9835 return result; 9836 } 9837 9838 // Utility method used to ignore ADD/REMOVE events 9839 // by directory observer. 9840 private static boolean ignoreCodePath(String fullPathStr) { 9841 String apkName = deriveCodePathName(fullPathStr); 9842 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9843 if (idx != -1 && ((idx+1) < apkName.length())) { 9844 // Make sure the package ends with a numeral 9845 String version = apkName.substring(idx+1); 9846 try { 9847 Integer.parseInt(version); 9848 return true; 9849 } catch (NumberFormatException e) {} 9850 } 9851 return false; 9852 } 9853 9854 // Utility method that returns the relative package path with respect 9855 // to the installation directory. Like say for /data/data/com.test-1.apk 9856 // string com.test-1 is returned. 9857 static String deriveCodePathName(String codePath) { 9858 if (codePath == null) { 9859 return null; 9860 } 9861 final File codeFile = new File(codePath); 9862 final String name = codeFile.getName(); 9863 if (codeFile.isDirectory()) { 9864 return name; 9865 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9866 final int lastDot = name.lastIndexOf('.'); 9867 return name.substring(0, lastDot); 9868 } else { 9869 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9870 return null; 9871 } 9872 } 9873 9874 class PackageInstalledInfo { 9875 String name; 9876 int uid; 9877 // The set of users that originally had this package installed. 9878 int[] origUsers; 9879 // The set of users that now have this package installed. 9880 int[] newUsers; 9881 PackageParser.Package pkg; 9882 int returnCode; 9883 String returnMsg; 9884 PackageRemovedInfo removedInfo; 9885 9886 public void setError(int code, String msg) { 9887 returnCode = code; 9888 returnMsg = msg; 9889 Slog.w(TAG, msg); 9890 } 9891 9892 public void setError(String msg, PackageParserException e) { 9893 returnCode = e.error; 9894 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9895 Slog.w(TAG, msg, e); 9896 } 9897 9898 public void setError(String msg, PackageManagerException e) { 9899 returnCode = e.error; 9900 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9901 Slog.w(TAG, msg, e); 9902 } 9903 9904 // In some error cases we want to convey more info back to the observer 9905 String origPackage; 9906 String origPermission; 9907 } 9908 9909 /* 9910 * Install a non-existing package. 9911 */ 9912 private void installNewPackageLI(PackageParser.Package pkg, 9913 int parseFlags, int scanFlags, UserHandle user, 9914 String installerPackageName, PackageInstalledInfo res) { 9915 // Remember this for later, in case we need to rollback this install 9916 String pkgName = pkg.packageName; 9917 9918 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9919 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9920 synchronized(mPackages) { 9921 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9922 // A package with the same name is already installed, though 9923 // it has been renamed to an older name. The package we 9924 // are trying to install should be installed as an update to 9925 // the existing one, but that has not been requested, so bail. 9926 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9927 + " without first uninstalling package running as " 9928 + mSettings.mRenamedPackages.get(pkgName)); 9929 return; 9930 } 9931 if (mPackages.containsKey(pkgName)) { 9932 // Don't allow installation over an existing package with the same name. 9933 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9934 + " without first uninstalling."); 9935 return; 9936 } 9937 } 9938 9939 try { 9940 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9941 System.currentTimeMillis(), user); 9942 9943 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9944 // delete the partially installed application. the data directory will have to be 9945 // restored if it was already existing 9946 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9947 // remove package from internal structures. Note that we want deletePackageX to 9948 // delete the package data and cache directories that it created in 9949 // scanPackageLocked, unless those directories existed before we even tried to 9950 // install. 9951 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9952 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9953 res.removedInfo, true); 9954 } 9955 9956 } catch (PackageManagerException e) { 9957 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9958 } 9959 } 9960 9961 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9962 // Upgrade keysets are being used. Determine if new package has a superset of the 9963 // required keys. 9964 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9965 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9966 for (int i = 0; i < upgradeKeySets.length; i++) { 9967 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9968 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9969 return true; 9970 } 9971 } 9972 return false; 9973 } 9974 9975 private void replacePackageLI(PackageParser.Package pkg, 9976 int parseFlags, int scanFlags, UserHandle user, 9977 String installerPackageName, PackageInstalledInfo res) { 9978 PackageParser.Package oldPackage; 9979 String pkgName = pkg.packageName; 9980 int[] allUsers; 9981 boolean[] perUserInstalled; 9982 9983 // First find the old package info and check signatures 9984 synchronized(mPackages) { 9985 oldPackage = mPackages.get(pkgName); 9986 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9987 PackageSetting ps = mSettings.mPackages.get(pkgName); 9988 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9989 // default to original signature matching 9990 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9991 != PackageManager.SIGNATURE_MATCH) { 9992 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9993 "New package has a different signature: " + pkgName); 9994 return; 9995 } 9996 } else { 9997 if(!checkUpgradeKeySetLP(ps, pkg)) { 9998 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9999 "New package not signed by keys specified by upgrade-keysets: " 10000 + pkgName); 10001 return; 10002 } 10003 } 10004 10005 // In case of rollback, remember per-user/profile install state 10006 allUsers = sUserManager.getUserIds(); 10007 perUserInstalled = new boolean[allUsers.length]; 10008 for (int i = 0; i < allUsers.length; i++) { 10009 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10010 } 10011 } 10012 10013 boolean sysPkg = (isSystemApp(oldPackage)); 10014 if (sysPkg) { 10015 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10016 user, allUsers, perUserInstalled, installerPackageName, res); 10017 } else { 10018 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10019 user, allUsers, perUserInstalled, installerPackageName, res); 10020 } 10021 } 10022 10023 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10024 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10025 int[] allUsers, boolean[] perUserInstalled, 10026 String installerPackageName, PackageInstalledInfo res) { 10027 String pkgName = deletedPackage.packageName; 10028 boolean deletedPkg = true; 10029 boolean updatedSettings = false; 10030 10031 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10032 + deletedPackage); 10033 long origUpdateTime; 10034 if (pkg.mExtras != null) { 10035 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10036 } else { 10037 origUpdateTime = 0; 10038 } 10039 10040 // First delete the existing package while retaining the data directory 10041 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10042 res.removedInfo, true)) { 10043 // If the existing package wasn't successfully deleted 10044 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10045 deletedPkg = false; 10046 } else { 10047 // Successfully deleted the old package; proceed with replace. 10048 10049 // If deleted package lived in a container, give users a chance to 10050 // relinquish resources before killing. 10051 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10052 if (DEBUG_INSTALL) { 10053 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10054 } 10055 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10056 final ArrayList<String> pkgList = new ArrayList<String>(1); 10057 pkgList.add(deletedPackage.applicationInfo.packageName); 10058 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10059 } 10060 10061 deleteCodeCacheDirsLI(pkgName); 10062 try { 10063 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10064 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10065 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10066 updatedSettings = true; 10067 } catch (PackageManagerException e) { 10068 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10069 } 10070 } 10071 10072 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10073 // remove package from internal structures. Note that we want deletePackageX to 10074 // delete the package data and cache directories that it created in 10075 // scanPackageLocked, unless those directories existed before we even tried to 10076 // install. 10077 if(updatedSettings) { 10078 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10079 deletePackageLI( 10080 pkgName, null, true, allUsers, perUserInstalled, 10081 PackageManager.DELETE_KEEP_DATA, 10082 res.removedInfo, true); 10083 } 10084 // Since we failed to install the new package we need to restore the old 10085 // package that we deleted. 10086 if (deletedPkg) { 10087 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10088 File restoreFile = new File(deletedPackage.codePath); 10089 // Parse old package 10090 boolean oldOnSd = isExternal(deletedPackage); 10091 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10092 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10093 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10094 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10095 try { 10096 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10097 } catch (PackageManagerException e) { 10098 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10099 + e.getMessage()); 10100 return; 10101 } 10102 // Restore of old package succeeded. Update permissions. 10103 // writer 10104 synchronized (mPackages) { 10105 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10106 UPDATE_PERMISSIONS_ALL); 10107 // can downgrade to reader 10108 mSettings.writeLPr(); 10109 } 10110 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10111 } 10112 } 10113 } 10114 10115 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10116 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10117 int[] allUsers, boolean[] perUserInstalled, 10118 String installerPackageName, PackageInstalledInfo res) { 10119 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10120 + ", old=" + deletedPackage); 10121 boolean disabledSystem = false; 10122 boolean updatedSettings = false; 10123 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10124 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10125 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10126 } 10127 String packageName = deletedPackage.packageName; 10128 if (packageName == null) { 10129 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10130 "Attempt to delete null packageName."); 10131 return; 10132 } 10133 PackageParser.Package oldPkg; 10134 PackageSetting oldPkgSetting; 10135 // reader 10136 synchronized (mPackages) { 10137 oldPkg = mPackages.get(packageName); 10138 oldPkgSetting = mSettings.mPackages.get(packageName); 10139 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10140 (oldPkgSetting == null)) { 10141 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10142 "Couldn't find package:" + packageName + " information"); 10143 return; 10144 } 10145 } 10146 10147 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10148 10149 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10150 res.removedInfo.removedPackage = packageName; 10151 // Remove existing system package 10152 removePackageLI(oldPkgSetting, true); 10153 // writer 10154 synchronized (mPackages) { 10155 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10156 if (!disabledSystem && deletedPackage != null) { 10157 // We didn't need to disable the .apk as a current system package, 10158 // which means we are replacing another update that is already 10159 // installed. We need to make sure to delete the older one's .apk. 10160 res.removedInfo.args = createInstallArgsForExisting(0, 10161 deletedPackage.applicationInfo.getCodePath(), 10162 deletedPackage.applicationInfo.getResourcePath(), 10163 deletedPackage.applicationInfo.nativeLibraryRootDir, 10164 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10165 } else { 10166 res.removedInfo.args = null; 10167 } 10168 } 10169 10170 // Successfully disabled the old package. Now proceed with re-installation 10171 deleteCodeCacheDirsLI(packageName); 10172 10173 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10174 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10175 10176 PackageParser.Package newPackage = null; 10177 try { 10178 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10179 if (newPackage.mExtras != null) { 10180 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10181 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10182 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10183 10184 // is the update attempting to change shared user? that isn't going to work... 10185 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10186 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10187 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10188 + " to " + newPkgSetting.sharedUser); 10189 updatedSettings = true; 10190 } 10191 } 10192 10193 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10194 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10195 updatedSettings = true; 10196 } 10197 10198 } catch (PackageManagerException e) { 10199 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10200 } 10201 10202 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10203 // Re installation failed. Restore old information 10204 // Remove new pkg information 10205 if (newPackage != null) { 10206 removeInstalledPackageLI(newPackage, true); 10207 } 10208 // Add back the old system package 10209 try { 10210 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10211 } catch (PackageManagerException e) { 10212 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10213 } 10214 // Restore the old system information in Settings 10215 synchronized (mPackages) { 10216 if (disabledSystem) { 10217 mSettings.enableSystemPackageLPw(packageName); 10218 } 10219 if (updatedSettings) { 10220 mSettings.setInstallerPackageName(packageName, 10221 oldPkgSetting.installerPackageName); 10222 } 10223 mSettings.writeLPr(); 10224 } 10225 } 10226 } 10227 10228 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10229 int[] allUsers, boolean[] perUserInstalled, 10230 PackageInstalledInfo res) { 10231 String pkgName = newPackage.packageName; 10232 synchronized (mPackages) { 10233 //write settings. the installStatus will be incomplete at this stage. 10234 //note that the new package setting would have already been 10235 //added to mPackages. It hasn't been persisted yet. 10236 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10237 mSettings.writeLPr(); 10238 } 10239 10240 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10241 10242 synchronized (mPackages) { 10243 updatePermissionsLPw(newPackage.packageName, newPackage, 10244 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10245 ? UPDATE_PERMISSIONS_ALL : 0)); 10246 // For system-bundled packages, we assume that installing an upgraded version 10247 // of the package implies that the user actually wants to run that new code, 10248 // so we enable the package. 10249 if (isSystemApp(newPackage)) { 10250 // NB: implicit assumption that system package upgrades apply to all users 10251 if (DEBUG_INSTALL) { 10252 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10253 } 10254 PackageSetting ps = mSettings.mPackages.get(pkgName); 10255 if (ps != null) { 10256 if (res.origUsers != null) { 10257 for (int userHandle : res.origUsers) { 10258 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10259 userHandle, installerPackageName); 10260 } 10261 } 10262 // Also convey the prior install/uninstall state 10263 if (allUsers != null && perUserInstalled != null) { 10264 for (int i = 0; i < allUsers.length; i++) { 10265 if (DEBUG_INSTALL) { 10266 Slog.d(TAG, " user " + allUsers[i] 10267 + " => " + perUserInstalled[i]); 10268 } 10269 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10270 } 10271 // these install state changes will be persisted in the 10272 // upcoming call to mSettings.writeLPr(). 10273 } 10274 } 10275 } 10276 res.name = pkgName; 10277 res.uid = newPackage.applicationInfo.uid; 10278 res.pkg = newPackage; 10279 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10280 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10281 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10282 //to update install status 10283 mSettings.writeLPr(); 10284 } 10285 } 10286 10287 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10288 final int installFlags = args.installFlags; 10289 String installerPackageName = args.installerPackageName; 10290 File tmpPackageFile = new File(args.getCodePath()); 10291 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10292 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10293 boolean replace = false; 10294 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10295 // Result object to be returned 10296 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10297 10298 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10299 // Retrieve PackageSettings and parse package 10300 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10301 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10302 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10303 PackageParser pp = new PackageParser(); 10304 pp.setSeparateProcesses(mSeparateProcesses); 10305 pp.setDisplayMetrics(mMetrics); 10306 10307 final PackageParser.Package pkg; 10308 try { 10309 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10310 } catch (PackageParserException e) { 10311 res.setError("Failed parse during installPackageLI", e); 10312 return; 10313 } 10314 10315 // Mark that we have an install time CPU ABI override. 10316 pkg.cpuAbiOverride = args.abiOverride; 10317 10318 String pkgName = res.name = pkg.packageName; 10319 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10320 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10321 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10322 return; 10323 } 10324 } 10325 10326 try { 10327 pp.collectCertificates(pkg, parseFlags); 10328 pp.collectManifestDigest(pkg); 10329 } catch (PackageParserException e) { 10330 res.setError("Failed collect during installPackageLI", e); 10331 return; 10332 } 10333 10334 /* If the installer passed in a manifest digest, compare it now. */ 10335 if (args.manifestDigest != null) { 10336 if (DEBUG_INSTALL) { 10337 final String parsedManifest = pkg.manifestDigest == null ? "null" 10338 : pkg.manifestDigest.toString(); 10339 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10340 + parsedManifest); 10341 } 10342 10343 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10344 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10345 return; 10346 } 10347 } else if (DEBUG_INSTALL) { 10348 final String parsedManifest = pkg.manifestDigest == null 10349 ? "null" : pkg.manifestDigest.toString(); 10350 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10351 } 10352 10353 // Get rid of all references to package scan path via parser. 10354 pp = null; 10355 String oldCodePath = null; 10356 boolean systemApp = false; 10357 synchronized (mPackages) { 10358 // Check whether the newly-scanned package wants to define an already-defined perm 10359 int N = pkg.permissions.size(); 10360 for (int i = N-1; i >= 0; i--) { 10361 PackageParser.Permission perm = pkg.permissions.get(i); 10362 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10363 if (bp != null) { 10364 // If the defining package is signed with our cert, it's okay. This 10365 // also includes the "updating the same package" case, of course. 10366 // "updating same package" could also involve key-rotation. 10367 final boolean sigsOk; 10368 if (!bp.sourcePackage.equals(pkg.packageName) 10369 || !(bp.packageSetting instanceof PackageSetting) 10370 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10371 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10372 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10373 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10374 } else { 10375 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10376 } 10377 if (!sigsOk) { 10378 // If the owning package is the system itself, we log but allow 10379 // install to proceed; we fail the install on all other permission 10380 // redefinitions. 10381 if (!bp.sourcePackage.equals("android")) { 10382 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10383 + pkg.packageName + " attempting to redeclare permission " 10384 + perm.info.name + " already owned by " + bp.sourcePackage); 10385 res.origPermission = perm.info.name; 10386 res.origPackage = bp.sourcePackage; 10387 return; 10388 } else { 10389 Slog.w(TAG, "Package " + pkg.packageName 10390 + " attempting to redeclare system permission " 10391 + perm.info.name + "; ignoring new declaration"); 10392 pkg.permissions.remove(i); 10393 } 10394 } 10395 } 10396 } 10397 10398 // Check if installing already existing package 10399 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10400 String oldName = mSettings.mRenamedPackages.get(pkgName); 10401 if (pkg.mOriginalPackages != null 10402 && pkg.mOriginalPackages.contains(oldName) 10403 && mPackages.containsKey(oldName)) { 10404 // This package is derived from an original package, 10405 // and this device has been updating from that original 10406 // name. We must continue using the original name, so 10407 // rename the new package here. 10408 pkg.setPackageName(oldName); 10409 pkgName = pkg.packageName; 10410 replace = true; 10411 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10412 + oldName + " pkgName=" + pkgName); 10413 } else if (mPackages.containsKey(pkgName)) { 10414 // This package, under its official name, already exists 10415 // on the device; we should replace it. 10416 replace = true; 10417 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10418 } 10419 } 10420 PackageSetting ps = mSettings.mPackages.get(pkgName); 10421 if (ps != null) { 10422 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10423 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10424 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10425 systemApp = (ps.pkg.applicationInfo.flags & 10426 ApplicationInfo.FLAG_SYSTEM) != 0; 10427 } 10428 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10429 } 10430 } 10431 10432 if (systemApp && onSd) { 10433 // Disable updates to system apps on sdcard 10434 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10435 "Cannot install updates to system apps on sdcard"); 10436 return; 10437 } 10438 10439 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10440 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10441 return; 10442 } 10443 10444 if (replace) { 10445 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10446 installerPackageName, res); 10447 } else { 10448 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10449 args.user, installerPackageName, res); 10450 } 10451 synchronized (mPackages) { 10452 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10453 if (ps != null) { 10454 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10455 } 10456 } 10457 } 10458 10459 private static boolean isForwardLocked(PackageParser.Package pkg) { 10460 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10461 } 10462 10463 private static boolean isForwardLocked(ApplicationInfo info) { 10464 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10465 } 10466 10467 private boolean isForwardLocked(PackageSetting ps) { 10468 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10469 } 10470 10471 private static boolean isMultiArch(PackageSetting ps) { 10472 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10473 } 10474 10475 private static boolean isMultiArch(ApplicationInfo info) { 10476 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10477 } 10478 10479 private static boolean isExternal(PackageParser.Package pkg) { 10480 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10481 } 10482 10483 private static boolean isExternal(PackageSetting ps) { 10484 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10485 } 10486 10487 private static boolean isExternal(ApplicationInfo info) { 10488 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10489 } 10490 10491 private static boolean isSystemApp(PackageParser.Package pkg) { 10492 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10493 } 10494 10495 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10496 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10497 } 10498 10499 private static boolean isSystemApp(ApplicationInfo info) { 10500 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10501 } 10502 10503 private static boolean isSystemApp(PackageSetting ps) { 10504 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10505 } 10506 10507 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10508 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10509 } 10510 10511 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10512 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10513 } 10514 10515 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10516 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10517 } 10518 10519 private int packageFlagsToInstallFlags(PackageSetting ps) { 10520 int installFlags = 0; 10521 if (isExternal(ps)) { 10522 installFlags |= PackageManager.INSTALL_EXTERNAL; 10523 } 10524 if (isForwardLocked(ps)) { 10525 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10526 } 10527 return installFlags; 10528 } 10529 10530 private void deleteTempPackageFiles() { 10531 final FilenameFilter filter = new FilenameFilter() { 10532 public boolean accept(File dir, String name) { 10533 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10534 } 10535 }; 10536 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10537 file.delete(); 10538 } 10539 } 10540 10541 @Override 10542 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10543 int flags) { 10544 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10545 flags); 10546 } 10547 10548 @Override 10549 public void deletePackage(final String packageName, 10550 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10551 mContext.enforceCallingOrSelfPermission( 10552 android.Manifest.permission.DELETE_PACKAGES, null); 10553 final int uid = Binder.getCallingUid(); 10554 if (UserHandle.getUserId(uid) != userId) { 10555 mContext.enforceCallingPermission( 10556 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10557 "deletePackage for user " + userId); 10558 } 10559 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10560 try { 10561 observer.onPackageDeleted(packageName, 10562 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10563 } catch (RemoteException re) { 10564 } 10565 return; 10566 } 10567 10568 boolean uninstallBlocked = false; 10569 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10570 int[] users = sUserManager.getUserIds(); 10571 for (int i = 0; i < users.length; ++i) { 10572 if (getBlockUninstallForUser(packageName, users[i])) { 10573 uninstallBlocked = true; 10574 break; 10575 } 10576 } 10577 } else { 10578 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10579 } 10580 if (uninstallBlocked) { 10581 try { 10582 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10583 null); 10584 } catch (RemoteException re) { 10585 } 10586 return; 10587 } 10588 10589 if (DEBUG_REMOVE) { 10590 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10591 } 10592 // Queue up an async operation since the package deletion may take a little while. 10593 mHandler.post(new Runnable() { 10594 public void run() { 10595 mHandler.removeCallbacks(this); 10596 final int returnCode = deletePackageX(packageName, userId, flags); 10597 if (observer != null) { 10598 try { 10599 observer.onPackageDeleted(packageName, returnCode, null); 10600 } catch (RemoteException e) { 10601 Log.i(TAG, "Observer no longer exists."); 10602 } //end catch 10603 } //end if 10604 } //end run 10605 }); 10606 } 10607 10608 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10609 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10610 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10611 try { 10612 if (dpm != null) { 10613 if (dpm.isDeviceOwner(packageName)) { 10614 return true; 10615 } 10616 int[] users; 10617 if (userId == UserHandle.USER_ALL) { 10618 users = sUserManager.getUserIds(); 10619 } else { 10620 users = new int[]{userId}; 10621 } 10622 for (int i = 0; i < users.length; ++i) { 10623 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10624 return true; 10625 } 10626 } 10627 } 10628 } catch (RemoteException e) { 10629 } 10630 return false; 10631 } 10632 10633 /** 10634 * This method is an internal method that could be get invoked either 10635 * to delete an installed package or to clean up a failed installation. 10636 * After deleting an installed package, a broadcast is sent to notify any 10637 * listeners that the package has been installed. For cleaning up a failed 10638 * installation, the broadcast is not necessary since the package's 10639 * installation wouldn't have sent the initial broadcast either 10640 * The key steps in deleting a package are 10641 * deleting the package information in internal structures like mPackages, 10642 * deleting the packages base directories through installd 10643 * updating mSettings to reflect current status 10644 * persisting settings for later use 10645 * sending a broadcast if necessary 10646 */ 10647 private int deletePackageX(String packageName, int userId, int flags) { 10648 final PackageRemovedInfo info = new PackageRemovedInfo(); 10649 final boolean res; 10650 10651 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10652 ? UserHandle.ALL : new UserHandle(userId); 10653 10654 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10655 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10656 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10657 } 10658 10659 boolean removedForAllUsers = false; 10660 boolean systemUpdate = false; 10661 10662 // for the uninstall-updates case and restricted profiles, remember the per- 10663 // userhandle installed state 10664 int[] allUsers; 10665 boolean[] perUserInstalled; 10666 synchronized (mPackages) { 10667 PackageSetting ps = mSettings.mPackages.get(packageName); 10668 allUsers = sUserManager.getUserIds(); 10669 perUserInstalled = new boolean[allUsers.length]; 10670 for (int i = 0; i < allUsers.length; i++) { 10671 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10672 } 10673 } 10674 10675 synchronized (mInstallLock) { 10676 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10677 res = deletePackageLI(packageName, removeForUser, 10678 true, allUsers, perUserInstalled, 10679 flags | REMOVE_CHATTY, info, true); 10680 systemUpdate = info.isRemovedPackageSystemUpdate; 10681 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10682 removedForAllUsers = true; 10683 } 10684 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10685 + " removedForAllUsers=" + removedForAllUsers); 10686 } 10687 10688 if (res) { 10689 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10690 10691 // If the removed package was a system update, the old system package 10692 // was re-enabled; we need to broadcast this information 10693 if (systemUpdate) { 10694 Bundle extras = new Bundle(1); 10695 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10696 ? info.removedAppId : info.uid); 10697 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10698 10699 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10700 extras, null, null, null); 10701 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10702 extras, null, null, null); 10703 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10704 null, packageName, null, null); 10705 } 10706 } 10707 // Force a gc here. 10708 Runtime.getRuntime().gc(); 10709 // Delete the resources here after sending the broadcast to let 10710 // other processes clean up before deleting resources. 10711 if (info.args != null) { 10712 synchronized (mInstallLock) { 10713 info.args.doPostDeleteLI(true); 10714 } 10715 } 10716 10717 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10718 } 10719 10720 static class PackageRemovedInfo { 10721 String removedPackage; 10722 int uid = -1; 10723 int removedAppId = -1; 10724 int[] removedUsers = null; 10725 boolean isRemovedPackageSystemUpdate = false; 10726 // Clean up resources deleted packages. 10727 InstallArgs args = null; 10728 10729 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10730 Bundle extras = new Bundle(1); 10731 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10732 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10733 if (replacing) { 10734 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10735 } 10736 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10737 if (removedPackage != null) { 10738 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10739 extras, null, null, removedUsers); 10740 if (fullRemove && !replacing) { 10741 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10742 extras, null, null, removedUsers); 10743 } 10744 } 10745 if (removedAppId >= 0) { 10746 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10747 removedUsers); 10748 } 10749 } 10750 } 10751 10752 /* 10753 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10754 * flag is not set, the data directory is removed as well. 10755 * make sure this flag is set for partially installed apps. If not its meaningless to 10756 * delete a partially installed application. 10757 */ 10758 private void removePackageDataLI(PackageSetting ps, 10759 int[] allUserHandles, boolean[] perUserInstalled, 10760 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10761 String packageName = ps.name; 10762 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10763 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10764 // Retrieve object to delete permissions for shared user later on 10765 final PackageSetting deletedPs; 10766 // reader 10767 synchronized (mPackages) { 10768 deletedPs = mSettings.mPackages.get(packageName); 10769 if (outInfo != null) { 10770 outInfo.removedPackage = packageName; 10771 outInfo.removedUsers = deletedPs != null 10772 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10773 : null; 10774 } 10775 } 10776 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10777 removeDataDirsLI(packageName); 10778 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10779 } 10780 // writer 10781 synchronized (mPackages) { 10782 if (deletedPs != null) { 10783 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10784 if (outInfo != null) { 10785 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10786 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10787 } 10788 if (deletedPs != null) { 10789 updatePermissionsLPw(deletedPs.name, null, 0); 10790 if (deletedPs.sharedUser != null) { 10791 // remove permissions associated with package 10792 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10793 } 10794 } 10795 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10796 } 10797 // make sure to preserve per-user disabled state if this removal was just 10798 // a downgrade of a system app to the factory package 10799 if (allUserHandles != null && perUserInstalled != null) { 10800 if (DEBUG_REMOVE) { 10801 Slog.d(TAG, "Propagating install state across downgrade"); 10802 } 10803 for (int i = 0; i < allUserHandles.length; i++) { 10804 if (DEBUG_REMOVE) { 10805 Slog.d(TAG, " user " + allUserHandles[i] 10806 + " => " + perUserInstalled[i]); 10807 } 10808 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10809 } 10810 } 10811 } 10812 // can downgrade to reader 10813 if (writeSettings) { 10814 // Save settings now 10815 mSettings.writeLPr(); 10816 } 10817 } 10818 if (outInfo != null) { 10819 // A user ID was deleted here. Go through all users and remove it 10820 // from KeyStore. 10821 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10822 } 10823 } 10824 10825 static boolean locationIsPrivileged(File path) { 10826 try { 10827 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10828 .getCanonicalPath(); 10829 return path.getCanonicalPath().startsWith(privilegedAppDir); 10830 } catch (IOException e) { 10831 Slog.e(TAG, "Unable to access code path " + path); 10832 } 10833 return false; 10834 } 10835 10836 /* 10837 * Tries to delete system package. 10838 */ 10839 private boolean deleteSystemPackageLI(PackageSetting newPs, 10840 int[] allUserHandles, boolean[] perUserInstalled, 10841 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10842 final boolean applyUserRestrictions 10843 = (allUserHandles != null) && (perUserInstalled != null); 10844 PackageSetting disabledPs = null; 10845 // Confirm if the system package has been updated 10846 // An updated system app can be deleted. This will also have to restore 10847 // the system pkg from system partition 10848 // reader 10849 synchronized (mPackages) { 10850 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10851 } 10852 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10853 + " disabledPs=" + disabledPs); 10854 if (disabledPs == null) { 10855 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10856 return false; 10857 } else if (DEBUG_REMOVE) { 10858 Slog.d(TAG, "Deleting system pkg from data partition"); 10859 } 10860 if (DEBUG_REMOVE) { 10861 if (applyUserRestrictions) { 10862 Slog.d(TAG, "Remembering install states:"); 10863 for (int i = 0; i < allUserHandles.length; i++) { 10864 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10865 } 10866 } 10867 } 10868 // Delete the updated package 10869 outInfo.isRemovedPackageSystemUpdate = true; 10870 if (disabledPs.versionCode < newPs.versionCode) { 10871 // Delete data for downgrades 10872 flags &= ~PackageManager.DELETE_KEEP_DATA; 10873 } else { 10874 // Preserve data by setting flag 10875 flags |= PackageManager.DELETE_KEEP_DATA; 10876 } 10877 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10878 allUserHandles, perUserInstalled, outInfo, writeSettings); 10879 if (!ret) { 10880 return false; 10881 } 10882 // writer 10883 synchronized (mPackages) { 10884 // Reinstate the old system package 10885 mSettings.enableSystemPackageLPw(newPs.name); 10886 // Remove any native libraries from the upgraded package. 10887 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10888 } 10889 // Install the system package 10890 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10891 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10892 if (locationIsPrivileged(disabledPs.codePath)) { 10893 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10894 } 10895 10896 final PackageParser.Package newPkg; 10897 try { 10898 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10899 } catch (PackageManagerException e) { 10900 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10901 return false; 10902 } 10903 10904 // writer 10905 synchronized (mPackages) { 10906 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10907 updatePermissionsLPw(newPkg.packageName, newPkg, 10908 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10909 if (applyUserRestrictions) { 10910 if (DEBUG_REMOVE) { 10911 Slog.d(TAG, "Propagating install state across reinstall"); 10912 } 10913 for (int i = 0; i < allUserHandles.length; i++) { 10914 if (DEBUG_REMOVE) { 10915 Slog.d(TAG, " user " + allUserHandles[i] 10916 + " => " + perUserInstalled[i]); 10917 } 10918 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10919 } 10920 // Regardless of writeSettings we need to ensure that this restriction 10921 // state propagation is persisted 10922 mSettings.writeAllUsersPackageRestrictionsLPr(); 10923 } 10924 // can downgrade to reader here 10925 if (writeSettings) { 10926 mSettings.writeLPr(); 10927 } 10928 } 10929 return true; 10930 } 10931 10932 private boolean deleteInstalledPackageLI(PackageSetting ps, 10933 boolean deleteCodeAndResources, int flags, 10934 int[] allUserHandles, boolean[] perUserInstalled, 10935 PackageRemovedInfo outInfo, boolean writeSettings) { 10936 if (outInfo != null) { 10937 outInfo.uid = ps.appId; 10938 } 10939 10940 // Delete package data from internal structures and also remove data if flag is set 10941 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10942 10943 // Delete application code and resources 10944 if (deleteCodeAndResources && (outInfo != null)) { 10945 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10946 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10947 getAppDexInstructionSets(ps)); 10948 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10949 } 10950 return true; 10951 } 10952 10953 @Override 10954 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10955 int userId) { 10956 mContext.enforceCallingOrSelfPermission( 10957 android.Manifest.permission.DELETE_PACKAGES, null); 10958 synchronized (mPackages) { 10959 PackageSetting ps = mSettings.mPackages.get(packageName); 10960 if (ps == null) { 10961 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10962 return false; 10963 } 10964 if (!ps.getInstalled(userId)) { 10965 // Can't block uninstall for an app that is not installed or enabled. 10966 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10967 return false; 10968 } 10969 ps.setBlockUninstall(blockUninstall, userId); 10970 mSettings.writePackageRestrictionsLPr(userId); 10971 } 10972 return true; 10973 } 10974 10975 @Override 10976 public boolean getBlockUninstallForUser(String packageName, int userId) { 10977 synchronized (mPackages) { 10978 PackageSetting ps = mSettings.mPackages.get(packageName); 10979 if (ps == null) { 10980 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10981 return false; 10982 } 10983 return ps.getBlockUninstall(userId); 10984 } 10985 } 10986 10987 /* 10988 * This method handles package deletion in general 10989 */ 10990 private boolean deletePackageLI(String packageName, UserHandle user, 10991 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10992 int flags, PackageRemovedInfo outInfo, 10993 boolean writeSettings) { 10994 if (packageName == null) { 10995 Slog.w(TAG, "Attempt to delete null packageName."); 10996 return false; 10997 } 10998 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10999 PackageSetting ps; 11000 boolean dataOnly = false; 11001 int removeUser = -1; 11002 int appId = -1; 11003 synchronized (mPackages) { 11004 ps = mSettings.mPackages.get(packageName); 11005 if (ps == null) { 11006 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11007 return false; 11008 } 11009 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11010 && user.getIdentifier() != UserHandle.USER_ALL) { 11011 // The caller is asking that the package only be deleted for a single 11012 // user. To do this, we just mark its uninstalled state and delete 11013 // its data. If this is a system app, we only allow this to happen if 11014 // they have set the special DELETE_SYSTEM_APP which requests different 11015 // semantics than normal for uninstalling system apps. 11016 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11017 ps.setUserState(user.getIdentifier(), 11018 COMPONENT_ENABLED_STATE_DEFAULT, 11019 false, //installed 11020 true, //stopped 11021 true, //notLaunched 11022 false, //hidden 11023 null, null, null, 11024 false // blockUninstall 11025 ); 11026 if (!isSystemApp(ps)) { 11027 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11028 // Other user still have this package installed, so all 11029 // we need to do is clear this user's data and save that 11030 // it is uninstalled. 11031 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11032 removeUser = user.getIdentifier(); 11033 appId = ps.appId; 11034 mSettings.writePackageRestrictionsLPr(removeUser); 11035 } else { 11036 // We need to set it back to 'installed' so the uninstall 11037 // broadcasts will be sent correctly. 11038 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11039 ps.setInstalled(true, user.getIdentifier()); 11040 } 11041 } else { 11042 // This is a system app, so we assume that the 11043 // other users still have this package installed, so all 11044 // we need to do is clear this user's data and save that 11045 // it is uninstalled. 11046 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11047 removeUser = user.getIdentifier(); 11048 appId = ps.appId; 11049 mSettings.writePackageRestrictionsLPr(removeUser); 11050 } 11051 } 11052 } 11053 11054 if (removeUser >= 0) { 11055 // From above, we determined that we are deleting this only 11056 // for a single user. Continue the work here. 11057 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11058 if (outInfo != null) { 11059 outInfo.removedPackage = packageName; 11060 outInfo.removedAppId = appId; 11061 outInfo.removedUsers = new int[] {removeUser}; 11062 } 11063 mInstaller.clearUserData(packageName, removeUser); 11064 removeKeystoreDataIfNeeded(removeUser, appId); 11065 schedulePackageCleaning(packageName, removeUser, false); 11066 return true; 11067 } 11068 11069 if (dataOnly) { 11070 // Delete application data first 11071 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11072 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11073 return true; 11074 } 11075 11076 boolean ret = false; 11077 if (isSystemApp(ps)) { 11078 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11079 // When an updated system application is deleted we delete the existing resources as well and 11080 // fall back to existing code in system partition 11081 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11082 flags, outInfo, writeSettings); 11083 } else { 11084 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11085 // Kill application pre-emptively especially for apps on sd. 11086 killApplication(packageName, ps.appId, "uninstall pkg"); 11087 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11088 allUserHandles, perUserInstalled, 11089 outInfo, writeSettings); 11090 } 11091 11092 return ret; 11093 } 11094 11095 private final class ClearStorageConnection implements ServiceConnection { 11096 IMediaContainerService mContainerService; 11097 11098 @Override 11099 public void onServiceConnected(ComponentName name, IBinder service) { 11100 synchronized (this) { 11101 mContainerService = IMediaContainerService.Stub.asInterface(service); 11102 notifyAll(); 11103 } 11104 } 11105 11106 @Override 11107 public void onServiceDisconnected(ComponentName name) { 11108 } 11109 } 11110 11111 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11112 final boolean mounted; 11113 if (Environment.isExternalStorageEmulated()) { 11114 mounted = true; 11115 } else { 11116 final String status = Environment.getExternalStorageState(); 11117 11118 mounted = status.equals(Environment.MEDIA_MOUNTED) 11119 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11120 } 11121 11122 if (!mounted) { 11123 return; 11124 } 11125 11126 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11127 int[] users; 11128 if (userId == UserHandle.USER_ALL) { 11129 users = sUserManager.getUserIds(); 11130 } else { 11131 users = new int[] { userId }; 11132 } 11133 final ClearStorageConnection conn = new ClearStorageConnection(); 11134 if (mContext.bindServiceAsUser( 11135 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11136 try { 11137 for (int curUser : users) { 11138 long timeout = SystemClock.uptimeMillis() + 5000; 11139 synchronized (conn) { 11140 long now = SystemClock.uptimeMillis(); 11141 while (conn.mContainerService == null && now < timeout) { 11142 try { 11143 conn.wait(timeout - now); 11144 } catch (InterruptedException e) { 11145 } 11146 } 11147 } 11148 if (conn.mContainerService == null) { 11149 return; 11150 } 11151 11152 final UserEnvironment userEnv = new UserEnvironment(curUser); 11153 clearDirectory(conn.mContainerService, 11154 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11155 if (allData) { 11156 clearDirectory(conn.mContainerService, 11157 userEnv.buildExternalStorageAppDataDirs(packageName)); 11158 clearDirectory(conn.mContainerService, 11159 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11160 } 11161 } 11162 } finally { 11163 mContext.unbindService(conn); 11164 } 11165 } 11166 } 11167 11168 @Override 11169 public void clearApplicationUserData(final String packageName, 11170 final IPackageDataObserver observer, final int userId) { 11171 mContext.enforceCallingOrSelfPermission( 11172 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11173 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11174 // Queue up an async operation since the package deletion may take a little while. 11175 mHandler.post(new Runnable() { 11176 public void run() { 11177 mHandler.removeCallbacks(this); 11178 final boolean succeeded; 11179 synchronized (mInstallLock) { 11180 succeeded = clearApplicationUserDataLI(packageName, userId); 11181 } 11182 clearExternalStorageDataSync(packageName, userId, true); 11183 if (succeeded) { 11184 // invoke DeviceStorageMonitor's update method to clear any notifications 11185 DeviceStorageMonitorInternal 11186 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11187 if (dsm != null) { 11188 dsm.checkMemory(); 11189 } 11190 } 11191 if(observer != null) { 11192 try { 11193 observer.onRemoveCompleted(packageName, succeeded); 11194 } catch (RemoteException e) { 11195 Log.i(TAG, "Observer no longer exists."); 11196 } 11197 } //end if observer 11198 } //end run 11199 }); 11200 } 11201 11202 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11203 if (packageName == null) { 11204 Slog.w(TAG, "Attempt to delete null packageName."); 11205 return false; 11206 } 11207 11208 // Try finding details about the requested package 11209 PackageParser.Package pkg; 11210 synchronized (mPackages) { 11211 pkg = mPackages.get(packageName); 11212 if (pkg == null) { 11213 final PackageSetting ps = mSettings.mPackages.get(packageName); 11214 if (ps != null) { 11215 pkg = ps.pkg; 11216 } 11217 } 11218 } 11219 11220 if (pkg == null) { 11221 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11222 } 11223 11224 // Always delete data directories for package, even if we found no other 11225 // record of app. This helps users recover from UID mismatches without 11226 // resorting to a full data wipe. 11227 int retCode = mInstaller.clearUserData(packageName, userId); 11228 if (retCode < 0) { 11229 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11230 return false; 11231 } 11232 11233 if (pkg == null) { 11234 return false; 11235 } 11236 11237 if (pkg != null && pkg.applicationInfo != null) { 11238 final int appId = pkg.applicationInfo.uid; 11239 removeKeystoreDataIfNeeded(userId, appId); 11240 } 11241 11242 // Create a native library symlink only if we have native libraries 11243 // and if the native libraries are 32 bit libraries. We do not provide 11244 // this symlink for 64 bit libraries. 11245 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11246 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11247 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11248 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11249 Slog.w(TAG, "Failed linking native library dir"); 11250 return false; 11251 } 11252 } 11253 11254 return true; 11255 } 11256 11257 /** 11258 * Remove entries from the keystore daemon. Will only remove it if the 11259 * {@code appId} is valid. 11260 */ 11261 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11262 if (appId < 0) { 11263 return; 11264 } 11265 11266 final KeyStore keyStore = KeyStore.getInstance(); 11267 if (keyStore != null) { 11268 if (userId == UserHandle.USER_ALL) { 11269 for (final int individual : sUserManager.getUserIds()) { 11270 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11271 } 11272 } else { 11273 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11274 } 11275 } else { 11276 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11277 } 11278 } 11279 11280 @Override 11281 public void deleteApplicationCacheFiles(final String packageName, 11282 final IPackageDataObserver observer) { 11283 mContext.enforceCallingOrSelfPermission( 11284 android.Manifest.permission.DELETE_CACHE_FILES, null); 11285 // Queue up an async operation since the package deletion may take a little while. 11286 final int userId = UserHandle.getCallingUserId(); 11287 mHandler.post(new Runnable() { 11288 public void run() { 11289 mHandler.removeCallbacks(this); 11290 final boolean succeded; 11291 synchronized (mInstallLock) { 11292 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11293 } 11294 clearExternalStorageDataSync(packageName, userId, false); 11295 if(observer != null) { 11296 try { 11297 observer.onRemoveCompleted(packageName, succeded); 11298 } catch (RemoteException e) { 11299 Log.i(TAG, "Observer no longer exists."); 11300 } 11301 } //end if observer 11302 } //end run 11303 }); 11304 } 11305 11306 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11307 if (packageName == null) { 11308 Slog.w(TAG, "Attempt to delete null packageName."); 11309 return false; 11310 } 11311 PackageParser.Package p; 11312 synchronized (mPackages) { 11313 p = mPackages.get(packageName); 11314 } 11315 if (p == null) { 11316 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11317 return false; 11318 } 11319 final ApplicationInfo applicationInfo = p.applicationInfo; 11320 if (applicationInfo == null) { 11321 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11322 return false; 11323 } 11324 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11325 if (retCode < 0) { 11326 Slog.w(TAG, "Couldn't remove cache files for package: " 11327 + packageName + " u" + userId); 11328 return false; 11329 } 11330 return true; 11331 } 11332 11333 @Override 11334 public void getPackageSizeInfo(final String packageName, int userHandle, 11335 final IPackageStatsObserver observer) { 11336 mContext.enforceCallingOrSelfPermission( 11337 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11338 if (packageName == null) { 11339 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11340 } 11341 11342 PackageStats stats = new PackageStats(packageName, userHandle); 11343 11344 /* 11345 * Queue up an async operation since the package measurement may take a 11346 * little while. 11347 */ 11348 Message msg = mHandler.obtainMessage(INIT_COPY); 11349 msg.obj = new MeasureParams(stats, observer); 11350 mHandler.sendMessage(msg); 11351 } 11352 11353 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11354 PackageStats pStats) { 11355 if (packageName == null) { 11356 Slog.w(TAG, "Attempt to get size of null packageName."); 11357 return false; 11358 } 11359 PackageParser.Package p; 11360 boolean dataOnly = false; 11361 String libDirRoot = null; 11362 String asecPath = null; 11363 PackageSetting ps = null; 11364 synchronized (mPackages) { 11365 p = mPackages.get(packageName); 11366 ps = mSettings.mPackages.get(packageName); 11367 if(p == null) { 11368 dataOnly = true; 11369 if((ps == null) || (ps.pkg == null)) { 11370 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11371 return false; 11372 } 11373 p = ps.pkg; 11374 } 11375 if (ps != null) { 11376 libDirRoot = ps.legacyNativeLibraryPathString; 11377 } 11378 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11379 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11380 if (secureContainerId != null) { 11381 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11382 } 11383 } 11384 } 11385 String publicSrcDir = null; 11386 if(!dataOnly) { 11387 final ApplicationInfo applicationInfo = p.applicationInfo; 11388 if (applicationInfo == null) { 11389 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11390 return false; 11391 } 11392 if (isForwardLocked(p)) { 11393 publicSrcDir = applicationInfo.getBaseResourcePath(); 11394 } 11395 } 11396 // TODO: extend to measure size of split APKs 11397 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11398 // not just the first level. 11399 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11400 // just the primary. 11401 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11402 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11403 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11404 if (res < 0) { 11405 return false; 11406 } 11407 11408 // Fix-up for forward-locked applications in ASEC containers. 11409 if (!isExternal(p)) { 11410 pStats.codeSize += pStats.externalCodeSize; 11411 pStats.externalCodeSize = 0L; 11412 } 11413 11414 return true; 11415 } 11416 11417 11418 @Override 11419 public void addPackageToPreferred(String packageName) { 11420 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11421 } 11422 11423 @Override 11424 public void removePackageFromPreferred(String packageName) { 11425 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11426 } 11427 11428 @Override 11429 public List<PackageInfo> getPreferredPackages(int flags) { 11430 return new ArrayList<PackageInfo>(); 11431 } 11432 11433 private int getUidTargetSdkVersionLockedLPr(int uid) { 11434 Object obj = mSettings.getUserIdLPr(uid); 11435 if (obj instanceof SharedUserSetting) { 11436 final SharedUserSetting sus = (SharedUserSetting) obj; 11437 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11438 final Iterator<PackageSetting> it = sus.packages.iterator(); 11439 while (it.hasNext()) { 11440 final PackageSetting ps = it.next(); 11441 if (ps.pkg != null) { 11442 int v = ps.pkg.applicationInfo.targetSdkVersion; 11443 if (v < vers) vers = v; 11444 } 11445 } 11446 return vers; 11447 } else if (obj instanceof PackageSetting) { 11448 final PackageSetting ps = (PackageSetting) obj; 11449 if (ps.pkg != null) { 11450 return ps.pkg.applicationInfo.targetSdkVersion; 11451 } 11452 } 11453 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11454 } 11455 11456 @Override 11457 public void addPreferredActivity(IntentFilter filter, int match, 11458 ComponentName[] set, ComponentName activity, int userId) { 11459 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11460 "Adding preferred"); 11461 } 11462 11463 private void addPreferredActivityInternal(IntentFilter filter, int match, 11464 ComponentName[] set, ComponentName activity, boolean always, int userId, 11465 String opname) { 11466 // writer 11467 int callingUid = Binder.getCallingUid(); 11468 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11469 if (filter.countActions() == 0) { 11470 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11471 return; 11472 } 11473 synchronized (mPackages) { 11474 if (mContext.checkCallingOrSelfPermission( 11475 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11476 != PackageManager.PERMISSION_GRANTED) { 11477 if (getUidTargetSdkVersionLockedLPr(callingUid) 11478 < Build.VERSION_CODES.FROYO) { 11479 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11480 + callingUid); 11481 return; 11482 } 11483 mContext.enforceCallingOrSelfPermission( 11484 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11485 } 11486 11487 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11488 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11489 + userId + ":"); 11490 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11491 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11492 mSettings.writePackageRestrictionsLPr(userId); 11493 } 11494 } 11495 11496 @Override 11497 public void replacePreferredActivity(IntentFilter filter, int match, 11498 ComponentName[] set, ComponentName activity, int userId) { 11499 if (filter.countActions() != 1) { 11500 throw new IllegalArgumentException( 11501 "replacePreferredActivity expects filter to have only 1 action."); 11502 } 11503 if (filter.countDataAuthorities() != 0 11504 || filter.countDataPaths() != 0 11505 || filter.countDataSchemes() > 1 11506 || filter.countDataTypes() != 0) { 11507 throw new IllegalArgumentException( 11508 "replacePreferredActivity expects filter to have no data authorities, " + 11509 "paths, or types; and at most one scheme."); 11510 } 11511 11512 final int callingUid = Binder.getCallingUid(); 11513 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11514 synchronized (mPackages) { 11515 if (mContext.checkCallingOrSelfPermission( 11516 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11517 != PackageManager.PERMISSION_GRANTED) { 11518 if (getUidTargetSdkVersionLockedLPr(callingUid) 11519 < Build.VERSION_CODES.FROYO) { 11520 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11521 + Binder.getCallingUid()); 11522 return; 11523 } 11524 mContext.enforceCallingOrSelfPermission( 11525 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11526 } 11527 11528 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11529 if (pir != null) { 11530 // Get all of the existing entries that exactly match this filter. 11531 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11532 if (existing != null && existing.size() == 1) { 11533 PreferredActivity cur = existing.get(0); 11534 if (DEBUG_PREFERRED) { 11535 Slog.i(TAG, "Checking replace of preferred:"); 11536 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11537 if (!cur.mPref.mAlways) { 11538 Slog.i(TAG, " -- CUR; not mAlways!"); 11539 } else { 11540 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11541 Slog.i(TAG, " -- CUR: mSet=" 11542 + Arrays.toString(cur.mPref.mSetComponents)); 11543 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11544 Slog.i(TAG, " -- NEW: mMatch=" 11545 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11546 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11547 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11548 } 11549 } 11550 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11551 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11552 && cur.mPref.sameSet(set)) { 11553 // Setting the preferred activity to what it happens to be already 11554 if (DEBUG_PREFERRED) { 11555 Slog.i(TAG, "Replacing with same preferred activity " 11556 + cur.mPref.mShortComponent + " for user " 11557 + userId + ":"); 11558 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11559 } 11560 return; 11561 } 11562 } 11563 11564 if (existing != null) { 11565 if (DEBUG_PREFERRED) { 11566 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11567 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11568 } 11569 for (int i = 0; i < existing.size(); i++) { 11570 PreferredActivity pa = existing.get(i); 11571 if (DEBUG_PREFERRED) { 11572 Slog.i(TAG, "Removing existing preferred activity " 11573 + pa.mPref.mComponent + ":"); 11574 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11575 } 11576 pir.removeFilter(pa); 11577 } 11578 } 11579 } 11580 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11581 "Replacing preferred"); 11582 } 11583 } 11584 11585 @Override 11586 public void clearPackagePreferredActivities(String packageName) { 11587 final int uid = Binder.getCallingUid(); 11588 // writer 11589 synchronized (mPackages) { 11590 PackageParser.Package pkg = mPackages.get(packageName); 11591 if (pkg == null || pkg.applicationInfo.uid != uid) { 11592 if (mContext.checkCallingOrSelfPermission( 11593 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11594 != PackageManager.PERMISSION_GRANTED) { 11595 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11596 < Build.VERSION_CODES.FROYO) { 11597 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11598 + Binder.getCallingUid()); 11599 return; 11600 } 11601 mContext.enforceCallingOrSelfPermission( 11602 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11603 } 11604 } 11605 11606 int user = UserHandle.getCallingUserId(); 11607 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11608 mSettings.writePackageRestrictionsLPr(user); 11609 scheduleWriteSettingsLocked(); 11610 } 11611 } 11612 } 11613 11614 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11615 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11616 ArrayList<PreferredActivity> removed = null; 11617 boolean changed = false; 11618 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11619 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11620 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11621 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11622 continue; 11623 } 11624 Iterator<PreferredActivity> it = pir.filterIterator(); 11625 while (it.hasNext()) { 11626 PreferredActivity pa = it.next(); 11627 // Mark entry for removal only if it matches the package name 11628 // and the entry is of type "always". 11629 if (packageName == null || 11630 (pa.mPref.mComponent.getPackageName().equals(packageName) 11631 && pa.mPref.mAlways)) { 11632 if (removed == null) { 11633 removed = new ArrayList<PreferredActivity>(); 11634 } 11635 removed.add(pa); 11636 } 11637 } 11638 if (removed != null) { 11639 for (int j=0; j<removed.size(); j++) { 11640 PreferredActivity pa = removed.get(j); 11641 pir.removeFilter(pa); 11642 } 11643 changed = true; 11644 } 11645 } 11646 return changed; 11647 } 11648 11649 @Override 11650 public void resetPreferredActivities(int userId) { 11651 /* TODO: Actually use userId. Why is it being passed in? */ 11652 mContext.enforceCallingOrSelfPermission( 11653 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11654 // writer 11655 synchronized (mPackages) { 11656 int user = UserHandle.getCallingUserId(); 11657 clearPackagePreferredActivitiesLPw(null, user); 11658 mSettings.readDefaultPreferredAppsLPw(this, user); 11659 mSettings.writePackageRestrictionsLPr(user); 11660 scheduleWriteSettingsLocked(); 11661 } 11662 } 11663 11664 @Override 11665 public int getPreferredActivities(List<IntentFilter> outFilters, 11666 List<ComponentName> outActivities, String packageName) { 11667 11668 int num = 0; 11669 final int userId = UserHandle.getCallingUserId(); 11670 // reader 11671 synchronized (mPackages) { 11672 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11673 if (pir != null) { 11674 final Iterator<PreferredActivity> it = pir.filterIterator(); 11675 while (it.hasNext()) { 11676 final PreferredActivity pa = it.next(); 11677 if (packageName == null 11678 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11679 && pa.mPref.mAlways)) { 11680 if (outFilters != null) { 11681 outFilters.add(new IntentFilter(pa)); 11682 } 11683 if (outActivities != null) { 11684 outActivities.add(pa.mPref.mComponent); 11685 } 11686 } 11687 } 11688 } 11689 } 11690 11691 return num; 11692 } 11693 11694 @Override 11695 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11696 int userId) { 11697 int callingUid = Binder.getCallingUid(); 11698 if (callingUid != Process.SYSTEM_UID) { 11699 throw new SecurityException( 11700 "addPersistentPreferredActivity can only be run by the system"); 11701 } 11702 if (filter.countActions() == 0) { 11703 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11704 return; 11705 } 11706 synchronized (mPackages) { 11707 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11708 " :"); 11709 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11710 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11711 new PersistentPreferredActivity(filter, activity)); 11712 mSettings.writePackageRestrictionsLPr(userId); 11713 } 11714 } 11715 11716 @Override 11717 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11718 int callingUid = Binder.getCallingUid(); 11719 if (callingUid != Process.SYSTEM_UID) { 11720 throw new SecurityException( 11721 "clearPackagePersistentPreferredActivities can only be run by the system"); 11722 } 11723 ArrayList<PersistentPreferredActivity> removed = null; 11724 boolean changed = false; 11725 synchronized (mPackages) { 11726 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11727 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11728 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11729 .valueAt(i); 11730 if (userId != thisUserId) { 11731 continue; 11732 } 11733 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11734 while (it.hasNext()) { 11735 PersistentPreferredActivity ppa = it.next(); 11736 // Mark entry for removal only if it matches the package name. 11737 if (ppa.mComponent.getPackageName().equals(packageName)) { 11738 if (removed == null) { 11739 removed = new ArrayList<PersistentPreferredActivity>(); 11740 } 11741 removed.add(ppa); 11742 } 11743 } 11744 if (removed != null) { 11745 for (int j=0; j<removed.size(); j++) { 11746 PersistentPreferredActivity ppa = removed.get(j); 11747 ppir.removeFilter(ppa); 11748 } 11749 changed = true; 11750 } 11751 } 11752 11753 if (changed) { 11754 mSettings.writePackageRestrictionsLPr(userId); 11755 } 11756 } 11757 } 11758 11759 @Override 11760 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11761 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11762 mContext.enforceCallingOrSelfPermission( 11763 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11764 int callingUid = Binder.getCallingUid(); 11765 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11766 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11767 if (intentFilter.countActions() == 0) { 11768 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11769 return; 11770 } 11771 synchronized (mPackages) { 11772 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11773 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11774 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11775 mSettings.writePackageRestrictionsLPr(sourceUserId); 11776 } 11777 } 11778 11779 @Override 11780 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11781 int ownerUserId) { 11782 mContext.enforceCallingOrSelfPermission( 11783 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11784 int callingUid = Binder.getCallingUid(); 11785 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11786 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11787 int callingUserId = UserHandle.getUserId(callingUid); 11788 synchronized (mPackages) { 11789 CrossProfileIntentResolver resolver = 11790 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11791 HashSet<CrossProfileIntentFilter> set = 11792 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11793 for (CrossProfileIntentFilter filter : set) { 11794 if (filter.getOwnerPackage().equals(ownerPackage) 11795 && filter.getOwnerUserId() == callingUserId) { 11796 resolver.removeFilter(filter); 11797 } 11798 } 11799 mSettings.writePackageRestrictionsLPr(sourceUserId); 11800 } 11801 } 11802 11803 // Enforcing that callingUid is owning pkg on userId 11804 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11805 // The system owns everything. 11806 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11807 return; 11808 } 11809 int callingUserId = UserHandle.getUserId(callingUid); 11810 if (callingUserId != userId) { 11811 throw new SecurityException("calling uid " + callingUid 11812 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11813 + callingUserId); 11814 } 11815 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11816 if (pi == null) { 11817 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11818 + callingUserId); 11819 } 11820 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11821 throw new SecurityException("Calling uid " + callingUid 11822 + " does not own package " + pkg); 11823 } 11824 } 11825 11826 @Override 11827 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11828 Intent intent = new Intent(Intent.ACTION_MAIN); 11829 intent.addCategory(Intent.CATEGORY_HOME); 11830 11831 final int callingUserId = UserHandle.getCallingUserId(); 11832 List<ResolveInfo> list = queryIntentActivities(intent, null, 11833 PackageManager.GET_META_DATA, callingUserId); 11834 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11835 true, false, false, callingUserId); 11836 11837 allHomeCandidates.clear(); 11838 if (list != null) { 11839 for (ResolveInfo ri : list) { 11840 allHomeCandidates.add(ri); 11841 } 11842 } 11843 return (preferred == null || preferred.activityInfo == null) 11844 ? null 11845 : new ComponentName(preferred.activityInfo.packageName, 11846 preferred.activityInfo.name); 11847 } 11848 11849 @Override 11850 public void setApplicationEnabledSetting(String appPackageName, 11851 int newState, int flags, int userId, String callingPackage) { 11852 if (!sUserManager.exists(userId)) return; 11853 if (callingPackage == null) { 11854 callingPackage = Integer.toString(Binder.getCallingUid()); 11855 } 11856 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11857 } 11858 11859 @Override 11860 public void setComponentEnabledSetting(ComponentName componentName, 11861 int newState, int flags, int userId) { 11862 if (!sUserManager.exists(userId)) return; 11863 setEnabledSetting(componentName.getPackageName(), 11864 componentName.getClassName(), newState, flags, userId, null); 11865 } 11866 11867 private void setEnabledSetting(final String packageName, String className, int newState, 11868 final int flags, int userId, String callingPackage) { 11869 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11870 || newState == COMPONENT_ENABLED_STATE_ENABLED 11871 || newState == COMPONENT_ENABLED_STATE_DISABLED 11872 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11873 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11874 throw new IllegalArgumentException("Invalid new component state: " 11875 + newState); 11876 } 11877 PackageSetting pkgSetting; 11878 final int uid = Binder.getCallingUid(); 11879 final int permission = mContext.checkCallingOrSelfPermission( 11880 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11881 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11882 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11883 boolean sendNow = false; 11884 boolean isApp = (className == null); 11885 String componentName = isApp ? packageName : className; 11886 int packageUid = -1; 11887 ArrayList<String> components; 11888 11889 // writer 11890 synchronized (mPackages) { 11891 pkgSetting = mSettings.mPackages.get(packageName); 11892 if (pkgSetting == null) { 11893 if (className == null) { 11894 throw new IllegalArgumentException( 11895 "Unknown package: " + packageName); 11896 } 11897 throw new IllegalArgumentException( 11898 "Unknown component: " + packageName 11899 + "/" + className); 11900 } 11901 // Allow root and verify that userId is not being specified by a different user 11902 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11903 throw new SecurityException( 11904 "Permission Denial: attempt to change component state from pid=" 11905 + Binder.getCallingPid() 11906 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11907 } 11908 if (className == null) { 11909 // We're dealing with an application/package level state change 11910 if (pkgSetting.getEnabled(userId) == newState) { 11911 // Nothing to do 11912 return; 11913 } 11914 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11915 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11916 // Don't care about who enables an app. 11917 callingPackage = null; 11918 } 11919 pkgSetting.setEnabled(newState, userId, callingPackage); 11920 // pkgSetting.pkg.mSetEnabled = newState; 11921 } else { 11922 // We're dealing with a component level state change 11923 // First, verify that this is a valid class name. 11924 PackageParser.Package pkg = pkgSetting.pkg; 11925 if (pkg == null || !pkg.hasComponentClassName(className)) { 11926 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11927 throw new IllegalArgumentException("Component class " + className 11928 + " does not exist in " + packageName); 11929 } else { 11930 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11931 + className + " does not exist in " + packageName); 11932 } 11933 } 11934 switch (newState) { 11935 case COMPONENT_ENABLED_STATE_ENABLED: 11936 if (!pkgSetting.enableComponentLPw(className, userId)) { 11937 return; 11938 } 11939 break; 11940 case COMPONENT_ENABLED_STATE_DISABLED: 11941 if (!pkgSetting.disableComponentLPw(className, userId)) { 11942 return; 11943 } 11944 break; 11945 case COMPONENT_ENABLED_STATE_DEFAULT: 11946 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11947 return; 11948 } 11949 break; 11950 default: 11951 Slog.e(TAG, "Invalid new component state: " + newState); 11952 return; 11953 } 11954 } 11955 mSettings.writePackageRestrictionsLPr(userId); 11956 components = mPendingBroadcasts.get(userId, packageName); 11957 final boolean newPackage = components == null; 11958 if (newPackage) { 11959 components = new ArrayList<String>(); 11960 } 11961 if (!components.contains(componentName)) { 11962 components.add(componentName); 11963 } 11964 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11965 sendNow = true; 11966 // Purge entry from pending broadcast list if another one exists already 11967 // since we are sending one right away. 11968 mPendingBroadcasts.remove(userId, packageName); 11969 } else { 11970 if (newPackage) { 11971 mPendingBroadcasts.put(userId, packageName, components); 11972 } 11973 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11974 // Schedule a message 11975 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11976 } 11977 } 11978 } 11979 11980 long callingId = Binder.clearCallingIdentity(); 11981 try { 11982 if (sendNow) { 11983 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11984 sendPackageChangedBroadcast(packageName, 11985 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11986 } 11987 } finally { 11988 Binder.restoreCallingIdentity(callingId); 11989 } 11990 } 11991 11992 private void sendPackageChangedBroadcast(String packageName, 11993 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11994 if (DEBUG_INSTALL) 11995 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11996 + componentNames); 11997 Bundle extras = new Bundle(4); 11998 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11999 String nameList[] = new String[componentNames.size()]; 12000 componentNames.toArray(nameList); 12001 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12002 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12003 extras.putInt(Intent.EXTRA_UID, packageUid); 12004 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12005 new int[] {UserHandle.getUserId(packageUid)}); 12006 } 12007 12008 @Override 12009 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12010 if (!sUserManager.exists(userId)) return; 12011 final int uid = Binder.getCallingUid(); 12012 final int permission = mContext.checkCallingOrSelfPermission( 12013 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12014 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12015 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12016 // writer 12017 synchronized (mPackages) { 12018 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12019 uid, userId)) { 12020 scheduleWritePackageRestrictionsLocked(userId); 12021 } 12022 } 12023 } 12024 12025 @Override 12026 public String getInstallerPackageName(String packageName) { 12027 // reader 12028 synchronized (mPackages) { 12029 return mSettings.getInstallerPackageNameLPr(packageName); 12030 } 12031 } 12032 12033 @Override 12034 public int getApplicationEnabledSetting(String packageName, int userId) { 12035 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12036 int uid = Binder.getCallingUid(); 12037 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12038 // reader 12039 synchronized (mPackages) { 12040 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12041 } 12042 } 12043 12044 @Override 12045 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12046 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12047 int uid = Binder.getCallingUid(); 12048 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12049 // reader 12050 synchronized (mPackages) { 12051 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12052 } 12053 } 12054 12055 @Override 12056 public void enterSafeMode() { 12057 enforceSystemOrRoot("Only the system can request entering safe mode"); 12058 12059 if (!mSystemReady) { 12060 mSafeMode = true; 12061 } 12062 } 12063 12064 @Override 12065 public void systemReady() { 12066 mSystemReady = true; 12067 12068 // Read the compatibilty setting when the system is ready. 12069 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12070 mContext.getContentResolver(), 12071 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12072 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12073 if (DEBUG_SETTINGS) { 12074 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12075 } 12076 12077 synchronized (mPackages) { 12078 // Verify that all of the preferred activity components actually 12079 // exist. It is possible for applications to be updated and at 12080 // that point remove a previously declared activity component that 12081 // had been set as a preferred activity. We try to clean this up 12082 // the next time we encounter that preferred activity, but it is 12083 // possible for the user flow to never be able to return to that 12084 // situation so here we do a sanity check to make sure we haven't 12085 // left any junk around. 12086 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12087 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12088 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12089 removed.clear(); 12090 for (PreferredActivity pa : pir.filterSet()) { 12091 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12092 removed.add(pa); 12093 } 12094 } 12095 if (removed.size() > 0) { 12096 for (int r=0; r<removed.size(); r++) { 12097 PreferredActivity pa = removed.get(r); 12098 Slog.w(TAG, "Removing dangling preferred activity: " 12099 + pa.mPref.mComponent); 12100 pir.removeFilter(pa); 12101 } 12102 mSettings.writePackageRestrictionsLPr( 12103 mSettings.mPreferredActivities.keyAt(i)); 12104 } 12105 } 12106 } 12107 sUserManager.systemReady(); 12108 12109 // Kick off any messages waiting for system ready 12110 if (mPostSystemReadyMessages != null) { 12111 for (Message msg : mPostSystemReadyMessages) { 12112 msg.sendToTarget(); 12113 } 12114 mPostSystemReadyMessages = null; 12115 } 12116 } 12117 12118 @Override 12119 public boolean isSafeMode() { 12120 return mSafeMode; 12121 } 12122 12123 @Override 12124 public boolean hasSystemUidErrors() { 12125 return mHasSystemUidErrors; 12126 } 12127 12128 static String arrayToString(int[] array) { 12129 StringBuffer buf = new StringBuffer(128); 12130 buf.append('['); 12131 if (array != null) { 12132 for (int i=0; i<array.length; i++) { 12133 if (i > 0) buf.append(", "); 12134 buf.append(array[i]); 12135 } 12136 } 12137 buf.append(']'); 12138 return buf.toString(); 12139 } 12140 12141 static class DumpState { 12142 public static final int DUMP_LIBS = 1 << 0; 12143 public static final int DUMP_FEATURES = 1 << 1; 12144 public static final int DUMP_RESOLVERS = 1 << 2; 12145 public static final int DUMP_PERMISSIONS = 1 << 3; 12146 public static final int DUMP_PACKAGES = 1 << 4; 12147 public static final int DUMP_SHARED_USERS = 1 << 5; 12148 public static final int DUMP_MESSAGES = 1 << 6; 12149 public static final int DUMP_PROVIDERS = 1 << 7; 12150 public static final int DUMP_VERIFIERS = 1 << 8; 12151 public static final int DUMP_PREFERRED = 1 << 9; 12152 public static final int DUMP_PREFERRED_XML = 1 << 10; 12153 public static final int DUMP_KEYSETS = 1 << 11; 12154 public static final int DUMP_VERSION = 1 << 12; 12155 public static final int DUMP_INSTALLS = 1 << 13; 12156 12157 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12158 12159 private int mTypes; 12160 12161 private int mOptions; 12162 12163 private boolean mTitlePrinted; 12164 12165 private SharedUserSetting mSharedUser; 12166 12167 public boolean isDumping(int type) { 12168 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12169 return true; 12170 } 12171 12172 return (mTypes & type) != 0; 12173 } 12174 12175 public void setDump(int type) { 12176 mTypes |= type; 12177 } 12178 12179 public boolean isOptionEnabled(int option) { 12180 return (mOptions & option) != 0; 12181 } 12182 12183 public void setOptionEnabled(int option) { 12184 mOptions |= option; 12185 } 12186 12187 public boolean onTitlePrinted() { 12188 final boolean printed = mTitlePrinted; 12189 mTitlePrinted = true; 12190 return printed; 12191 } 12192 12193 public boolean getTitlePrinted() { 12194 return mTitlePrinted; 12195 } 12196 12197 public void setTitlePrinted(boolean enabled) { 12198 mTitlePrinted = enabled; 12199 } 12200 12201 public SharedUserSetting getSharedUser() { 12202 return mSharedUser; 12203 } 12204 12205 public void setSharedUser(SharedUserSetting user) { 12206 mSharedUser = user; 12207 } 12208 } 12209 12210 @Override 12211 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12212 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12213 != PackageManager.PERMISSION_GRANTED) { 12214 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12215 + Binder.getCallingPid() 12216 + ", uid=" + Binder.getCallingUid() 12217 + " without permission " 12218 + android.Manifest.permission.DUMP); 12219 return; 12220 } 12221 12222 DumpState dumpState = new DumpState(); 12223 boolean fullPreferred = false; 12224 boolean checkin = false; 12225 12226 String packageName = null; 12227 12228 int opti = 0; 12229 while (opti < args.length) { 12230 String opt = args[opti]; 12231 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12232 break; 12233 } 12234 opti++; 12235 12236 if ("-a".equals(opt)) { 12237 // Right now we only know how to print all. 12238 } else if ("-h".equals(opt)) { 12239 pw.println("Package manager dump options:"); 12240 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12241 pw.println(" --checkin: dump for a checkin"); 12242 pw.println(" -f: print details of intent filters"); 12243 pw.println(" -h: print this help"); 12244 pw.println(" cmd may be one of:"); 12245 pw.println(" l[ibraries]: list known shared libraries"); 12246 pw.println(" f[ibraries]: list device features"); 12247 pw.println(" k[eysets]: print known keysets"); 12248 pw.println(" r[esolvers]: dump intent resolvers"); 12249 pw.println(" perm[issions]: dump permissions"); 12250 pw.println(" pref[erred]: print preferred package settings"); 12251 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12252 pw.println(" prov[iders]: dump content providers"); 12253 pw.println(" p[ackages]: dump installed packages"); 12254 pw.println(" s[hared-users]: dump shared user IDs"); 12255 pw.println(" m[essages]: print collected runtime messages"); 12256 pw.println(" v[erifiers]: print package verifier info"); 12257 pw.println(" version: print database version info"); 12258 pw.println(" write: write current settings now"); 12259 pw.println(" <package.name>: info about given package"); 12260 pw.println(" installs: details about install sessions"); 12261 return; 12262 } else if ("--checkin".equals(opt)) { 12263 checkin = true; 12264 } else if ("-f".equals(opt)) { 12265 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12266 } else { 12267 pw.println("Unknown argument: " + opt + "; use -h for help"); 12268 } 12269 } 12270 12271 // Is the caller requesting to dump a particular piece of data? 12272 if (opti < args.length) { 12273 String cmd = args[opti]; 12274 opti++; 12275 // Is this a package name? 12276 if ("android".equals(cmd) || cmd.contains(".")) { 12277 packageName = cmd; 12278 // When dumping a single package, we always dump all of its 12279 // filter information since the amount of data will be reasonable. 12280 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12281 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12282 dumpState.setDump(DumpState.DUMP_LIBS); 12283 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12284 dumpState.setDump(DumpState.DUMP_FEATURES); 12285 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12286 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12287 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12288 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12289 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12290 dumpState.setDump(DumpState.DUMP_PREFERRED); 12291 } else if ("preferred-xml".equals(cmd)) { 12292 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12293 if (opti < args.length && "--full".equals(args[opti])) { 12294 fullPreferred = true; 12295 opti++; 12296 } 12297 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12298 dumpState.setDump(DumpState.DUMP_PACKAGES); 12299 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12300 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12301 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12302 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12303 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12304 dumpState.setDump(DumpState.DUMP_MESSAGES); 12305 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12306 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12307 } else if ("version".equals(cmd)) { 12308 dumpState.setDump(DumpState.DUMP_VERSION); 12309 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12310 dumpState.setDump(DumpState.DUMP_KEYSETS); 12311 } else if ("installs".equals(cmd)) { 12312 dumpState.setDump(DumpState.DUMP_INSTALLS); 12313 } else if ("write".equals(cmd)) { 12314 synchronized (mPackages) { 12315 mSettings.writeLPr(); 12316 pw.println("Settings written."); 12317 return; 12318 } 12319 } 12320 } 12321 12322 if (checkin) { 12323 pw.println("vers,1"); 12324 } 12325 12326 // reader 12327 synchronized (mPackages) { 12328 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12329 if (!checkin) { 12330 if (dumpState.onTitlePrinted()) 12331 pw.println(); 12332 pw.println("Database versions:"); 12333 pw.print(" SDK Version:"); 12334 pw.print(" internal="); 12335 pw.print(mSettings.mInternalSdkPlatform); 12336 pw.print(" external="); 12337 pw.println(mSettings.mExternalSdkPlatform); 12338 pw.print(" DB Version:"); 12339 pw.print(" internal="); 12340 pw.print(mSettings.mInternalDatabaseVersion); 12341 pw.print(" external="); 12342 pw.println(mSettings.mExternalDatabaseVersion); 12343 } 12344 } 12345 12346 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12347 if (!checkin) { 12348 if (dumpState.onTitlePrinted()) 12349 pw.println(); 12350 pw.println("Verifiers:"); 12351 pw.print(" Required: "); 12352 pw.print(mRequiredVerifierPackage); 12353 pw.print(" (uid="); 12354 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12355 pw.println(")"); 12356 } else if (mRequiredVerifierPackage != null) { 12357 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12358 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12359 } 12360 } 12361 12362 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12363 boolean printedHeader = false; 12364 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12365 while (it.hasNext()) { 12366 String name = it.next(); 12367 SharedLibraryEntry ent = mSharedLibraries.get(name); 12368 if (!checkin) { 12369 if (!printedHeader) { 12370 if (dumpState.onTitlePrinted()) 12371 pw.println(); 12372 pw.println("Libraries:"); 12373 printedHeader = true; 12374 } 12375 pw.print(" "); 12376 } else { 12377 pw.print("lib,"); 12378 } 12379 pw.print(name); 12380 if (!checkin) { 12381 pw.print(" -> "); 12382 } 12383 if (ent.path != null) { 12384 if (!checkin) { 12385 pw.print("(jar) "); 12386 pw.print(ent.path); 12387 } else { 12388 pw.print(",jar,"); 12389 pw.print(ent.path); 12390 } 12391 } else { 12392 if (!checkin) { 12393 pw.print("(apk) "); 12394 pw.print(ent.apk); 12395 } else { 12396 pw.print(",apk,"); 12397 pw.print(ent.apk); 12398 } 12399 } 12400 pw.println(); 12401 } 12402 } 12403 12404 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12405 if (dumpState.onTitlePrinted()) 12406 pw.println(); 12407 if (!checkin) { 12408 pw.println("Features:"); 12409 } 12410 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12411 while (it.hasNext()) { 12412 String name = it.next(); 12413 if (!checkin) { 12414 pw.print(" "); 12415 } else { 12416 pw.print("feat,"); 12417 } 12418 pw.println(name); 12419 } 12420 } 12421 12422 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12423 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12424 : "Activity Resolver Table:", " ", packageName, 12425 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12426 dumpState.setTitlePrinted(true); 12427 } 12428 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12429 : "Receiver Resolver Table:", " ", packageName, 12430 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12431 dumpState.setTitlePrinted(true); 12432 } 12433 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12434 : "Service Resolver Table:", " ", packageName, 12435 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12436 dumpState.setTitlePrinted(true); 12437 } 12438 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12439 : "Provider Resolver Table:", " ", packageName, 12440 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12441 dumpState.setTitlePrinted(true); 12442 } 12443 } 12444 12445 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12446 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12447 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12448 int user = mSettings.mPreferredActivities.keyAt(i); 12449 if (pir.dump(pw, 12450 dumpState.getTitlePrinted() 12451 ? "\nPreferred Activities User " + user + ":" 12452 : "Preferred Activities User " + user + ":", " ", 12453 packageName, true)) { 12454 dumpState.setTitlePrinted(true); 12455 } 12456 } 12457 } 12458 12459 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12460 pw.flush(); 12461 FileOutputStream fout = new FileOutputStream(fd); 12462 BufferedOutputStream str = new BufferedOutputStream(fout); 12463 XmlSerializer serializer = new FastXmlSerializer(); 12464 try { 12465 serializer.setOutput(str, "utf-8"); 12466 serializer.startDocument(null, true); 12467 serializer.setFeature( 12468 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12469 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12470 serializer.endDocument(); 12471 serializer.flush(); 12472 } catch (IllegalArgumentException e) { 12473 pw.println("Failed writing: " + e); 12474 } catch (IllegalStateException e) { 12475 pw.println("Failed writing: " + e); 12476 } catch (IOException e) { 12477 pw.println("Failed writing: " + e); 12478 } 12479 } 12480 12481 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12482 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12483 if (packageName == null) { 12484 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12485 if (iperm == 0) { 12486 if (dumpState.onTitlePrinted()) 12487 pw.println(); 12488 pw.println("AppOp Permissions:"); 12489 } 12490 pw.print(" AppOp Permission "); 12491 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12492 pw.println(":"); 12493 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12494 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12495 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12496 } 12497 } 12498 } 12499 } 12500 12501 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12502 boolean printedSomething = false; 12503 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12504 if (packageName != null && !packageName.equals(p.info.packageName)) { 12505 continue; 12506 } 12507 if (!printedSomething) { 12508 if (dumpState.onTitlePrinted()) 12509 pw.println(); 12510 pw.println("Registered ContentProviders:"); 12511 printedSomething = true; 12512 } 12513 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12514 pw.print(" "); pw.println(p.toString()); 12515 } 12516 printedSomething = false; 12517 for (Map.Entry<String, PackageParser.Provider> entry : 12518 mProvidersByAuthority.entrySet()) { 12519 PackageParser.Provider p = entry.getValue(); 12520 if (packageName != null && !packageName.equals(p.info.packageName)) { 12521 continue; 12522 } 12523 if (!printedSomething) { 12524 if (dumpState.onTitlePrinted()) 12525 pw.println(); 12526 pw.println("ContentProvider Authorities:"); 12527 printedSomething = true; 12528 } 12529 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12530 pw.print(" "); pw.println(p.toString()); 12531 if (p.info != null && p.info.applicationInfo != null) { 12532 final String appInfo = p.info.applicationInfo.toString(); 12533 pw.print(" applicationInfo="); pw.println(appInfo); 12534 } 12535 } 12536 } 12537 12538 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12539 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12540 } 12541 12542 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12543 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12544 } 12545 12546 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12547 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12548 } 12549 12550 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12551 // XXX should handle packageName != null by dumping only install data that 12552 // the given package is involved with. 12553 if (dumpState.onTitlePrinted()) pw.println(); 12554 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12555 } 12556 12557 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12558 if (dumpState.onTitlePrinted()) pw.println(); 12559 mSettings.dumpReadMessagesLPr(pw, dumpState); 12560 12561 pw.println(); 12562 pw.println("Package warning messages:"); 12563 final File fname = getSettingsProblemFile(); 12564 FileInputStream in = null; 12565 try { 12566 in = new FileInputStream(fname); 12567 final int avail = in.available(); 12568 final byte[] data = new byte[avail]; 12569 in.read(data); 12570 pw.print(new String(data)); 12571 } catch (FileNotFoundException e) { 12572 } catch (IOException e) { 12573 } finally { 12574 if (in != null) { 12575 try { 12576 in.close(); 12577 } catch (IOException e) { 12578 } 12579 } 12580 } 12581 } 12582 12583 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12584 BufferedReader in = null; 12585 String line = null; 12586 try { 12587 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12588 while ((line = in.readLine()) != null) { 12589 pw.print("msg,"); 12590 pw.println(line); 12591 } 12592 } catch (IOException ignored) { 12593 } finally { 12594 IoUtils.closeQuietly(in); 12595 } 12596 } 12597 } 12598 } 12599 12600 // ------- apps on sdcard specific code ------- 12601 static final boolean DEBUG_SD_INSTALL = false; 12602 12603 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12604 12605 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12606 12607 private boolean mMediaMounted = false; 12608 12609 static String getEncryptKey() { 12610 try { 12611 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12612 SD_ENCRYPTION_KEYSTORE_NAME); 12613 if (sdEncKey == null) { 12614 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12615 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12616 if (sdEncKey == null) { 12617 Slog.e(TAG, "Failed to create encryption keys"); 12618 return null; 12619 } 12620 } 12621 return sdEncKey; 12622 } catch (NoSuchAlgorithmException nsae) { 12623 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12624 return null; 12625 } catch (IOException ioe) { 12626 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12627 return null; 12628 } 12629 } 12630 12631 /* 12632 * Update media status on PackageManager. 12633 */ 12634 @Override 12635 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12636 int callingUid = Binder.getCallingUid(); 12637 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12638 throw new SecurityException("Media status can only be updated by the system"); 12639 } 12640 // reader; this apparently protects mMediaMounted, but should probably 12641 // be a different lock in that case. 12642 synchronized (mPackages) { 12643 Log.i(TAG, "Updating external media status from " 12644 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12645 + (mediaStatus ? "mounted" : "unmounted")); 12646 if (DEBUG_SD_INSTALL) 12647 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12648 + ", mMediaMounted=" + mMediaMounted); 12649 if (mediaStatus == mMediaMounted) { 12650 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12651 : 0, -1); 12652 mHandler.sendMessage(msg); 12653 return; 12654 } 12655 mMediaMounted = mediaStatus; 12656 } 12657 // Queue up an async operation since the package installation may take a 12658 // little while. 12659 mHandler.post(new Runnable() { 12660 public void run() { 12661 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12662 } 12663 }); 12664 } 12665 12666 /** 12667 * Called by MountService when the initial ASECs to scan are available. 12668 * Should block until all the ASEC containers are finished being scanned. 12669 */ 12670 public void scanAvailableAsecs() { 12671 updateExternalMediaStatusInner(true, false, false); 12672 if (mShouldRestoreconData) { 12673 SELinuxMMAC.setRestoreconDone(); 12674 mShouldRestoreconData = false; 12675 } 12676 } 12677 12678 /* 12679 * Collect information of applications on external media, map them against 12680 * existing containers and update information based on current mount status. 12681 * Please note that we always have to report status if reportStatus has been 12682 * set to true especially when unloading packages. 12683 */ 12684 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12685 boolean externalStorage) { 12686 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12687 int[] uidArr = EmptyArray.INT; 12688 12689 final String[] list = PackageHelper.getSecureContainerList(); 12690 if (ArrayUtils.isEmpty(list)) { 12691 Log.i(TAG, "No secure containers found"); 12692 } else { 12693 // Process list of secure containers and categorize them 12694 // as active or stale based on their package internal state. 12695 12696 // reader 12697 synchronized (mPackages) { 12698 for (String cid : list) { 12699 // Leave stages untouched for now; installer service owns them 12700 if (PackageInstallerService.isStageName(cid)) continue; 12701 12702 if (DEBUG_SD_INSTALL) 12703 Log.i(TAG, "Processing container " + cid); 12704 String pkgName = getAsecPackageName(cid); 12705 if (pkgName == null) { 12706 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12707 continue; 12708 } 12709 if (DEBUG_SD_INSTALL) 12710 Log.i(TAG, "Looking for pkg : " + pkgName); 12711 12712 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12713 if (ps == null) { 12714 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12715 continue; 12716 } 12717 12718 /* 12719 * Skip packages that are not external if we're unmounting 12720 * external storage. 12721 */ 12722 if (externalStorage && !isMounted && !isExternal(ps)) { 12723 continue; 12724 } 12725 12726 final AsecInstallArgs args = new AsecInstallArgs(cid, 12727 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12728 // The package status is changed only if the code path 12729 // matches between settings and the container id. 12730 if (ps.codePathString != null 12731 && ps.codePathString.startsWith(args.getCodePath())) { 12732 if (DEBUG_SD_INSTALL) { 12733 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12734 + " at code path: " + ps.codePathString); 12735 } 12736 12737 // We do have a valid package installed on sdcard 12738 processCids.put(args, ps.codePathString); 12739 final int uid = ps.appId; 12740 if (uid != -1) { 12741 uidArr = ArrayUtils.appendInt(uidArr, uid); 12742 } 12743 } else { 12744 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12745 + ps.codePathString); 12746 } 12747 } 12748 } 12749 12750 Arrays.sort(uidArr); 12751 } 12752 12753 // Process packages with valid entries. 12754 if (isMounted) { 12755 if (DEBUG_SD_INSTALL) 12756 Log.i(TAG, "Loading packages"); 12757 loadMediaPackages(processCids, uidArr); 12758 startCleaningPackages(); 12759 mInstallerService.onSecureContainersAvailable(); 12760 } else { 12761 if (DEBUG_SD_INSTALL) 12762 Log.i(TAG, "Unloading packages"); 12763 unloadMediaPackages(processCids, uidArr, reportStatus); 12764 } 12765 } 12766 12767 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12768 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12769 int size = pkgList.size(); 12770 if (size > 0) { 12771 // Send broadcasts here 12772 Bundle extras = new Bundle(); 12773 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12774 .toArray(new String[size])); 12775 if (uidArr != null) { 12776 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12777 } 12778 if (replacing) { 12779 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12780 } 12781 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12782 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12783 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12784 } 12785 } 12786 12787 /* 12788 * Look at potentially valid container ids from processCids If package 12789 * information doesn't match the one on record or package scanning fails, 12790 * the cid is added to list of removeCids. We currently don't delete stale 12791 * containers. 12792 */ 12793 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12794 ArrayList<String> pkgList = new ArrayList<String>(); 12795 Set<AsecInstallArgs> keys = processCids.keySet(); 12796 12797 for (AsecInstallArgs args : keys) { 12798 String codePath = processCids.get(args); 12799 if (DEBUG_SD_INSTALL) 12800 Log.i(TAG, "Loading container : " + args.cid); 12801 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12802 try { 12803 // Make sure there are no container errors first. 12804 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12805 Slog.e(TAG, "Failed to mount cid : " + args.cid 12806 + " when installing from sdcard"); 12807 continue; 12808 } 12809 // Check code path here. 12810 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12811 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12812 + " does not match one in settings " + codePath); 12813 continue; 12814 } 12815 // Parse package 12816 int parseFlags = mDefParseFlags; 12817 if (args.isExternal()) { 12818 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12819 } 12820 if (args.isFwdLocked()) { 12821 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12822 } 12823 12824 synchronized (mInstallLock) { 12825 PackageParser.Package pkg = null; 12826 try { 12827 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12828 } catch (PackageManagerException e) { 12829 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12830 } 12831 // Scan the package 12832 if (pkg != null) { 12833 /* 12834 * TODO why is the lock being held? doPostInstall is 12835 * called in other places without the lock. This needs 12836 * to be straightened out. 12837 */ 12838 // writer 12839 synchronized (mPackages) { 12840 retCode = PackageManager.INSTALL_SUCCEEDED; 12841 pkgList.add(pkg.packageName); 12842 // Post process args 12843 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12844 pkg.applicationInfo.uid); 12845 } 12846 } else { 12847 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12848 } 12849 } 12850 12851 } finally { 12852 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12853 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12854 } 12855 } 12856 } 12857 // writer 12858 synchronized (mPackages) { 12859 // If the platform SDK has changed since the last time we booted, 12860 // we need to re-grant app permission to catch any new ones that 12861 // appear. This is really a hack, and means that apps can in some 12862 // cases get permissions that the user didn't initially explicitly 12863 // allow... it would be nice to have some better way to handle 12864 // this situation. 12865 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12866 if (regrantPermissions) 12867 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12868 + mSdkVersion + "; regranting permissions for external storage"); 12869 mSettings.mExternalSdkPlatform = mSdkVersion; 12870 12871 // Make sure group IDs have been assigned, and any permission 12872 // changes in other apps are accounted for 12873 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12874 | (regrantPermissions 12875 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12876 : 0)); 12877 12878 mSettings.updateExternalDatabaseVersion(); 12879 12880 // can downgrade to reader 12881 // Persist settings 12882 mSettings.writeLPr(); 12883 } 12884 // Send a broadcast to let everyone know we are done processing 12885 if (pkgList.size() > 0) { 12886 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12887 } 12888 } 12889 12890 /* 12891 * Utility method to unload a list of specified containers 12892 */ 12893 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12894 // Just unmount all valid containers. 12895 for (AsecInstallArgs arg : cidArgs) { 12896 synchronized (mInstallLock) { 12897 arg.doPostDeleteLI(false); 12898 } 12899 } 12900 } 12901 12902 /* 12903 * Unload packages mounted on external media. This involves deleting package 12904 * data from internal structures, sending broadcasts about diabled packages, 12905 * gc'ing to free up references, unmounting all secure containers 12906 * corresponding to packages on external media, and posting a 12907 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12908 * that we always have to post this message if status has been requested no 12909 * matter what. 12910 */ 12911 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12912 final boolean reportStatus) { 12913 if (DEBUG_SD_INSTALL) 12914 Log.i(TAG, "unloading media packages"); 12915 ArrayList<String> pkgList = new ArrayList<String>(); 12916 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12917 final Set<AsecInstallArgs> keys = processCids.keySet(); 12918 for (AsecInstallArgs args : keys) { 12919 String pkgName = args.getPackageName(); 12920 if (DEBUG_SD_INSTALL) 12921 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12922 // Delete package internally 12923 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12924 synchronized (mInstallLock) { 12925 boolean res = deletePackageLI(pkgName, null, false, null, null, 12926 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12927 if (res) { 12928 pkgList.add(pkgName); 12929 } else { 12930 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12931 failedList.add(args); 12932 } 12933 } 12934 } 12935 12936 // reader 12937 synchronized (mPackages) { 12938 // We didn't update the settings after removing each package; 12939 // write them now for all packages. 12940 mSettings.writeLPr(); 12941 } 12942 12943 // We have to absolutely send UPDATED_MEDIA_STATUS only 12944 // after confirming that all the receivers processed the ordered 12945 // broadcast when packages get disabled, force a gc to clean things up. 12946 // and unload all the containers. 12947 if (pkgList.size() > 0) { 12948 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12949 new IIntentReceiver.Stub() { 12950 public void performReceive(Intent intent, int resultCode, String data, 12951 Bundle extras, boolean ordered, boolean sticky, 12952 int sendingUser) throws RemoteException { 12953 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12954 reportStatus ? 1 : 0, 1, keys); 12955 mHandler.sendMessage(msg); 12956 } 12957 }); 12958 } else { 12959 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12960 keys); 12961 mHandler.sendMessage(msg); 12962 } 12963 } 12964 12965 /** Binder call */ 12966 @Override 12967 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12968 final int flags) { 12969 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12970 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12971 int returnCode = PackageManager.MOVE_SUCCEEDED; 12972 int currInstallFlags = 0; 12973 int newInstallFlags = 0; 12974 12975 File codeFile = null; 12976 String installerPackageName = null; 12977 String packageAbiOverride = null; 12978 12979 // reader 12980 synchronized (mPackages) { 12981 final PackageParser.Package pkg = mPackages.get(packageName); 12982 final PackageSetting ps = mSettings.mPackages.get(packageName); 12983 if (pkg == null || ps == null) { 12984 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12985 } else { 12986 // Disable moving fwd locked apps and system packages 12987 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12988 Slog.w(TAG, "Cannot move system application"); 12989 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12990 } else if (pkg.mOperationPending) { 12991 Slog.w(TAG, "Attempt to move package which has pending operations"); 12992 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12993 } else { 12994 // Find install location first 12995 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12996 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12997 Slog.w(TAG, "Ambigous flags specified for move location."); 12998 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12999 } else { 13000 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13001 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13002 currInstallFlags = isExternal(pkg) 13003 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13004 13005 if (newInstallFlags == currInstallFlags) { 13006 Slog.w(TAG, "No move required. Trying to move to same location"); 13007 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13008 } else { 13009 if (isForwardLocked(pkg)) { 13010 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13011 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13012 } 13013 } 13014 } 13015 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13016 pkg.mOperationPending = true; 13017 } 13018 } 13019 13020 codeFile = new File(pkg.codePath); 13021 installerPackageName = ps.installerPackageName; 13022 packageAbiOverride = ps.cpuAbiOverrideString; 13023 } 13024 } 13025 13026 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13027 try { 13028 observer.packageMoved(packageName, returnCode); 13029 } catch (RemoteException ignored) { 13030 } 13031 return; 13032 } 13033 13034 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13035 @Override 13036 public void onUserActionRequired(Intent intent) throws RemoteException { 13037 throw new IllegalStateException(); 13038 } 13039 13040 @Override 13041 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13042 Bundle extras) throws RemoteException { 13043 Slog.d(TAG, "Install result for move: " 13044 + PackageManager.installStatusToString(returnCode, msg)); 13045 13046 // We usually have a new package now after the install, but if 13047 // we failed we need to clear the pending flag on the original 13048 // package object. 13049 synchronized (mPackages) { 13050 final PackageParser.Package pkg = mPackages.get(packageName); 13051 if (pkg != null) { 13052 pkg.mOperationPending = false; 13053 } 13054 } 13055 13056 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13057 switch (status) { 13058 case PackageInstaller.STATUS_SUCCESS: 13059 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13060 break; 13061 case PackageInstaller.STATUS_FAILURE_STORAGE: 13062 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13063 break; 13064 default: 13065 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13066 break; 13067 } 13068 } 13069 }; 13070 13071 // Treat a move like reinstalling an existing app, which ensures that we 13072 // process everythign uniformly, like unpacking native libraries. 13073 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13074 13075 final Message msg = mHandler.obtainMessage(INIT_COPY); 13076 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13077 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13078 installerPackageName, null, user, packageAbiOverride); 13079 mHandler.sendMessage(msg); 13080 } 13081 13082 @Override 13083 public boolean setInstallLocation(int loc) { 13084 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13085 null); 13086 if (getInstallLocation() == loc) { 13087 return true; 13088 } 13089 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13090 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13091 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13092 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13093 return true; 13094 } 13095 return false; 13096 } 13097 13098 @Override 13099 public int getInstallLocation() { 13100 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13101 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13102 PackageHelper.APP_INSTALL_AUTO); 13103 } 13104 13105 /** Called by UserManagerService */ 13106 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13107 mDirtyUsers.remove(userHandle); 13108 mSettings.removeUserLPw(userHandle); 13109 mPendingBroadcasts.remove(userHandle); 13110 if (mInstaller != null) { 13111 // Technically, we shouldn't be doing this with the package lock 13112 // held. However, this is very rare, and there is already so much 13113 // other disk I/O going on, that we'll let it slide for now. 13114 mInstaller.removeUserDataDirs(userHandle); 13115 } 13116 mUserNeedsBadging.delete(userHandle); 13117 removeUnusedPackagesLILPw(userManager, userHandle); 13118 } 13119 13120 /** 13121 * We're removing userHandle and would like to remove any downloaded packages 13122 * that are no longer in use by any other user. 13123 * @param userHandle the user being removed 13124 */ 13125 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13126 final boolean DEBUG_CLEAN_APKS = false; 13127 int [] users = userManager.getUserIdsLPr(); 13128 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13129 while (psit.hasNext()) { 13130 PackageSetting ps = psit.next(); 13131 if (ps.pkg == null) { 13132 continue; 13133 } 13134 final String packageName = ps.pkg.packageName; 13135 // Skip over if system app 13136 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13137 continue; 13138 } 13139 if (DEBUG_CLEAN_APKS) { 13140 Slog.i(TAG, "Checking package " + packageName); 13141 } 13142 boolean keep = false; 13143 for (int i = 0; i < users.length; i++) { 13144 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13145 keep = true; 13146 if (DEBUG_CLEAN_APKS) { 13147 Slog.i(TAG, " Keeping package " + packageName + " for user " 13148 + users[i]); 13149 } 13150 break; 13151 } 13152 } 13153 if (!keep) { 13154 if (DEBUG_CLEAN_APKS) { 13155 Slog.i(TAG, " Removing package " + packageName); 13156 } 13157 mHandler.post(new Runnable() { 13158 public void run() { 13159 deletePackageX(packageName, userHandle, 0); 13160 } //end run 13161 }); 13162 } 13163 } 13164 } 13165 13166 /** Called by UserManagerService */ 13167 void createNewUserLILPw(int userHandle, File path) { 13168 if (mInstaller != null) { 13169 mInstaller.createUserConfig(userHandle); 13170 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13171 } 13172 } 13173 13174 @Override 13175 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13176 mContext.enforceCallingOrSelfPermission( 13177 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13178 "Only package verification agents can read the verifier device identity"); 13179 13180 synchronized (mPackages) { 13181 return mSettings.getVerifierDeviceIdentityLPw(); 13182 } 13183 } 13184 13185 @Override 13186 public void setPermissionEnforced(String permission, boolean enforced) { 13187 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13188 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13189 synchronized (mPackages) { 13190 if (mSettings.mReadExternalStorageEnforced == null 13191 || mSettings.mReadExternalStorageEnforced != enforced) { 13192 mSettings.mReadExternalStorageEnforced = enforced; 13193 mSettings.writeLPr(); 13194 } 13195 } 13196 // kill any non-foreground processes so we restart them and 13197 // grant/revoke the GID. 13198 final IActivityManager am = ActivityManagerNative.getDefault(); 13199 if (am != null) { 13200 final long token = Binder.clearCallingIdentity(); 13201 try { 13202 am.killProcessesBelowForeground("setPermissionEnforcement"); 13203 } catch (RemoteException e) { 13204 } finally { 13205 Binder.restoreCallingIdentity(token); 13206 } 13207 } 13208 } else { 13209 throw new IllegalArgumentException("No selective enforcement for " + permission); 13210 } 13211 } 13212 13213 @Override 13214 @Deprecated 13215 public boolean isPermissionEnforced(String permission) { 13216 return true; 13217 } 13218 13219 @Override 13220 public boolean isStorageLow() { 13221 final long token = Binder.clearCallingIdentity(); 13222 try { 13223 final DeviceStorageMonitorInternal 13224 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13225 if (dsm != null) { 13226 return dsm.isMemoryLow(); 13227 } else { 13228 return false; 13229 } 13230 } finally { 13231 Binder.restoreCallingIdentity(token); 13232 } 13233 } 13234 13235 @Override 13236 public IPackageInstaller getPackageInstaller() { 13237 return mInstallerService; 13238 } 13239 13240 private boolean userNeedsBadging(int userId) { 13241 int index = mUserNeedsBadging.indexOfKey(userId); 13242 if (index < 0) { 13243 final UserInfo userInfo; 13244 final long token = Binder.clearCallingIdentity(); 13245 try { 13246 userInfo = sUserManager.getUserInfo(userId); 13247 } finally { 13248 Binder.restoreCallingIdentity(token); 13249 } 13250 final boolean b; 13251 if (userInfo != null && userInfo.isManagedProfile()) { 13252 b = true; 13253 } else { 13254 b = false; 13255 } 13256 mUserNeedsBadging.put(userId, b); 13257 return b; 13258 } 13259 return mUserNeedsBadging.valueAt(index); 13260 } 13261 13262 @Override 13263 public KeySet getKeySetByAlias(String packageName, String alias) { 13264 if (packageName == null || alias == null) { 13265 return null; 13266 } 13267 synchronized(mPackages) { 13268 final PackageParser.Package pkg = mPackages.get(packageName); 13269 if (pkg == null) { 13270 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13271 throw new IllegalArgumentException("Unknown package: " + packageName); 13272 } 13273 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13274 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13275 } 13276 } 13277 13278 @Override 13279 public KeySet getSigningKeySet(String packageName) { 13280 if (packageName == null) { 13281 return null; 13282 } 13283 synchronized(mPackages) { 13284 final PackageParser.Package pkg = mPackages.get(packageName); 13285 if (pkg == null) { 13286 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13287 throw new IllegalArgumentException("Unknown package: " + packageName); 13288 } 13289 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13290 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13291 throw new SecurityException("May not access signing KeySet of other apps."); 13292 } 13293 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13294 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13295 } 13296 } 13297 13298 @Override 13299 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13300 if (packageName == null || ks == null) { 13301 return false; 13302 } 13303 synchronized(mPackages) { 13304 final PackageParser.Package pkg = mPackages.get(packageName); 13305 if (pkg == null) { 13306 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13307 throw new IllegalArgumentException("Unknown package: " + packageName); 13308 } 13309 IBinder ksh = ks.getToken(); 13310 if (ksh instanceof KeySetHandle) { 13311 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13312 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13313 } 13314 return false; 13315 } 13316 } 13317 13318 @Override 13319 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13320 if (packageName == null || ks == null) { 13321 return false; 13322 } 13323 synchronized(mPackages) { 13324 final PackageParser.Package pkg = mPackages.get(packageName); 13325 if (pkg == null) { 13326 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13327 throw new IllegalArgumentException("Unknown package: " + packageName); 13328 } 13329 IBinder ksh = ks.getToken(); 13330 if (ksh instanceof KeySetHandle) { 13331 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13332 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13333 } 13334 return false; 13335 } 13336 } 13337} 13338