PackageManagerService.java revision e50bc6fd29dd8bb3291517753aadd2ccec94f24b
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 updatedPkg.resourcePath = scanFile; 4246 updatedPkg.resourcePathString = scanFile.toString(); 4247 // This is the point at which we know that the system-disk APK 4248 // for this package has moved during a reboot (e.g. due to an OTA), 4249 // so we need to reevaluate it for privilege policy. 4250 if (locationIsPrivileged(scanFile)) { 4251 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4252 } 4253 } 4254 updatedPkg.pkg = pkg; 4255 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4256 } else { 4257 // The current app on the system partition is better than 4258 // what we have updated to on the data partition; switch 4259 // back to the system partition version. 4260 // At this point, its safely assumed that package installation for 4261 // apps in system partition will go through. If not there won't be a working 4262 // version of the app 4263 // writer 4264 synchronized (mPackages) { 4265 // Just remove the loaded entries from package lists. 4266 mPackages.remove(ps.name); 4267 } 4268 4269 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4270 + " reverting from " + ps.codePathString 4271 + ": new version " + pkg.mVersionCode 4272 + " better than installed " + ps.versionCode); 4273 4274 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4275 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4276 getAppDexInstructionSets(ps)); 4277 synchronized (mInstallLock) { 4278 args.cleanUpResourcesLI(); 4279 } 4280 synchronized (mPackages) { 4281 mSettings.enableSystemPackageLPw(ps.name); 4282 } 4283 updatedPkgBetter = true; 4284 } 4285 } 4286 } 4287 4288 if (updatedPkg != null) { 4289 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4290 // initially 4291 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4292 4293 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4294 // flag set initially 4295 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4296 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4297 } 4298 } 4299 4300 // Verify certificates against what was last scanned 4301 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4302 4303 /* 4304 * A new system app appeared, but we already had a non-system one of the 4305 * same name installed earlier. 4306 */ 4307 boolean shouldHideSystemApp = false; 4308 if (updatedPkg == null && ps != null 4309 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4310 /* 4311 * Check to make sure the signatures match first. If they don't, 4312 * wipe the installed application and its data. 4313 */ 4314 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4315 != PackageManager.SIGNATURE_MATCH) { 4316 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4317 + " signatures don't match existing userdata copy; removing"); 4318 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4319 ps = null; 4320 } else { 4321 /* 4322 * If the newly-added system app is an older version than the 4323 * already installed version, hide it. It will be scanned later 4324 * and re-added like an update. 4325 */ 4326 if (pkg.mVersionCode < ps.versionCode) { 4327 shouldHideSystemApp = true; 4328 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4329 + " but new version " + pkg.mVersionCode + " better than installed " 4330 + ps.versionCode + "; hiding system"); 4331 } else { 4332 /* 4333 * The newly found system app is a newer version that the 4334 * one previously installed. Simply remove the 4335 * already-installed application and replace it with our own 4336 * while keeping the application data. 4337 */ 4338 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4339 + " reverting from " + ps.codePathString + ": new version " 4340 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4341 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4342 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4343 getAppDexInstructionSets(ps)); 4344 synchronized (mInstallLock) { 4345 args.cleanUpResourcesLI(); 4346 } 4347 } 4348 } 4349 } 4350 4351 // The apk is forward locked (not public) if its code and resources 4352 // are kept in different files. (except for app in either system or 4353 // vendor path). 4354 // TODO grab this value from PackageSettings 4355 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4356 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4357 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4358 } 4359 } 4360 4361 // TODO: extend to support forward-locked splits 4362 String resourcePath = null; 4363 String baseResourcePath = null; 4364 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4365 if (ps != null && ps.resourcePathString != null) { 4366 resourcePath = ps.resourcePathString; 4367 baseResourcePath = ps.resourcePathString; 4368 } else { 4369 // Should not happen at all. Just log an error. 4370 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4371 } 4372 } else { 4373 resourcePath = pkg.codePath; 4374 baseResourcePath = pkg.baseCodePath; 4375 } 4376 4377 // Set application objects path explicitly. 4378 pkg.applicationInfo.setCodePath(pkg.codePath); 4379 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4380 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4381 pkg.applicationInfo.setResourcePath(resourcePath); 4382 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4383 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4384 4385 // Note that we invoke the following method only if we are about to unpack an application 4386 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4387 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4388 4389 /* 4390 * If the system app should be overridden by a previously installed 4391 * data, hide the system app now and let the /data/app scan pick it up 4392 * again. 4393 */ 4394 if (shouldHideSystemApp) { 4395 synchronized (mPackages) { 4396 /* 4397 * We have to grant systems permissions before we hide, because 4398 * grantPermissions will assume the package update is trying to 4399 * expand its permissions. 4400 */ 4401 grantPermissionsLPw(pkg, true, pkg.packageName); 4402 mSettings.disableSystemPackageLPw(pkg.packageName); 4403 } 4404 } 4405 4406 return scannedPkg; 4407 } 4408 4409 private static String fixProcessName(String defProcessName, 4410 String processName, int uid) { 4411 if (processName == null) { 4412 return defProcessName; 4413 } 4414 return processName; 4415 } 4416 4417 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4418 throws PackageManagerException { 4419 if (pkgSetting.signatures.mSignatures != null) { 4420 // Already existing package. Make sure signatures match 4421 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4422 == PackageManager.SIGNATURE_MATCH; 4423 if (!match) { 4424 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4425 == PackageManager.SIGNATURE_MATCH; 4426 } 4427 if (!match) { 4428 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4429 + pkg.packageName + " signatures do not match the " 4430 + "previously installed version; ignoring!"); 4431 } 4432 } 4433 4434 // Check for shared user signatures 4435 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4436 // Already existing package. Make sure signatures match 4437 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4438 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4439 if (!match) { 4440 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4441 == PackageManager.SIGNATURE_MATCH; 4442 } 4443 if (!match) { 4444 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4445 "Package " + pkg.packageName 4446 + " has no signatures that match those in shared user " 4447 + pkgSetting.sharedUser.name + "; ignoring!"); 4448 } 4449 } 4450 } 4451 4452 /** 4453 * Enforces that only the system UID or root's UID can call a method exposed 4454 * via Binder. 4455 * 4456 * @param message used as message if SecurityException is thrown 4457 * @throws SecurityException if the caller is not system or root 4458 */ 4459 private static final void enforceSystemOrRoot(String message) { 4460 final int uid = Binder.getCallingUid(); 4461 if (uid != Process.SYSTEM_UID && uid != 0) { 4462 throw new SecurityException(message); 4463 } 4464 } 4465 4466 @Override 4467 public void performBootDexOpt() { 4468 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4469 4470 final HashSet<PackageParser.Package> pkgs; 4471 synchronized (mPackages) { 4472 pkgs = mDeferredDexOpt; 4473 mDeferredDexOpt = null; 4474 } 4475 4476 if (pkgs != null) { 4477 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4478 // in case the device runs out of space. 4479 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4480 // Give priority to core apps. 4481 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4482 PackageParser.Package pkg = it.next(); 4483 if (pkg.coreApp) { 4484 if (DEBUG_DEXOPT) { 4485 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4486 } 4487 sortedPkgs.add(pkg); 4488 it.remove(); 4489 } 4490 } 4491 // Give priority to system apps that listen for pre boot complete. 4492 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4493 HashSet<String> pkgNames = getPackageNamesForIntent(intent); 4494 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4495 PackageParser.Package pkg = it.next(); 4496 if (pkgNames.contains(pkg.packageName)) { 4497 if (DEBUG_DEXOPT) { 4498 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4499 } 4500 sortedPkgs.add(pkg); 4501 it.remove(); 4502 } 4503 } 4504 // Give priority to system apps. 4505 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4506 PackageParser.Package pkg = it.next(); 4507 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4508 if (DEBUG_DEXOPT) { 4509 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4510 } 4511 sortedPkgs.add(pkg); 4512 it.remove(); 4513 } 4514 } 4515 // Give priority to updated system apps. 4516 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4517 PackageParser.Package pkg = it.next(); 4518 if (isUpdatedSystemApp(pkg)) { 4519 if (DEBUG_DEXOPT) { 4520 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4521 } 4522 sortedPkgs.add(pkg); 4523 it.remove(); 4524 } 4525 } 4526 // Give priority to apps that listen for boot complete. 4527 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4528 pkgNames = getPackageNamesForIntent(intent); 4529 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4530 PackageParser.Package pkg = it.next(); 4531 if (pkgNames.contains(pkg.packageName)) { 4532 if (DEBUG_DEXOPT) { 4533 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4534 } 4535 sortedPkgs.add(pkg); 4536 it.remove(); 4537 } 4538 } 4539 // Filter out packages that aren't recently used. 4540 filterRecentlyUsedApps(pkgs); 4541 // Add all remaining apps. 4542 for (PackageParser.Package pkg : pkgs) { 4543 if (DEBUG_DEXOPT) { 4544 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4545 } 4546 sortedPkgs.add(pkg); 4547 } 4548 4549 int i = 0; 4550 int total = sortedPkgs.size(); 4551 File dataDir = Environment.getDataDirectory(); 4552 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4553 if (lowThreshold == 0) { 4554 throw new IllegalStateException("Invalid low memory threshold"); 4555 } 4556 for (PackageParser.Package pkg : sortedPkgs) { 4557 long usableSpace = dataDir.getUsableSpace(); 4558 if (usableSpace < lowThreshold) { 4559 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4560 break; 4561 } 4562 performBootDexOpt(pkg, ++i, total); 4563 } 4564 } 4565 } 4566 4567 private void filterRecentlyUsedApps(HashSet<PackageParser.Package> pkgs) { 4568 // Filter out packages that aren't recently used. 4569 // 4570 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4571 // should do a full dexopt. 4572 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4573 // TODO: add a property to control this? 4574 long dexOptLRUThresholdInMinutes; 4575 if (mLazyDexOpt) { 4576 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4577 } else { 4578 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4579 } 4580 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4581 4582 int total = pkgs.size(); 4583 int skipped = 0; 4584 long now = System.currentTimeMillis(); 4585 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4586 PackageParser.Package pkg = i.next(); 4587 long then = pkg.mLastPackageUsageTimeInMills; 4588 if (then + dexOptLRUThresholdInMills < now) { 4589 if (DEBUG_DEXOPT) { 4590 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4591 ((then == 0) ? "never" : new Date(then))); 4592 } 4593 i.remove(); 4594 skipped++; 4595 } 4596 } 4597 if (DEBUG_DEXOPT) { 4598 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4599 } 4600 } 4601 } 4602 4603 private HashSet<String> getPackageNamesForIntent(Intent intent) { 4604 List<ResolveInfo> ris = null; 4605 try { 4606 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4607 intent, null, 0, UserHandle.USER_OWNER); 4608 } catch (RemoteException e) { 4609 } 4610 HashSet<String> pkgNames = new HashSet<String>(); 4611 if (ris != null) { 4612 for (ResolveInfo ri : ris) { 4613 pkgNames.add(ri.activityInfo.packageName); 4614 } 4615 } 4616 return pkgNames; 4617 } 4618 4619 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4620 if (DEBUG_DEXOPT) { 4621 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4622 } 4623 if (!isFirstBoot()) { 4624 try { 4625 ActivityManagerNative.getDefault().showBootMessage( 4626 mContext.getResources().getString(R.string.android_upgrading_apk, 4627 curr, total), true); 4628 } catch (RemoteException e) { 4629 } 4630 } 4631 PackageParser.Package p = pkg; 4632 synchronized (mInstallLock) { 4633 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4634 false /* defer */, true /* include dependencies */); 4635 } 4636 } 4637 4638 @Override 4639 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4640 return performDexOpt(packageName, instructionSet, false); 4641 } 4642 4643 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4644 if (info.primaryCpuAbi == null) { 4645 return getPreferredInstructionSet(); 4646 } 4647 4648 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4649 } 4650 4651 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4652 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4653 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4654 if (!dexopt && !updateUsage) { 4655 // We aren't going to dexopt or update usage, so bail early. 4656 return false; 4657 } 4658 PackageParser.Package p; 4659 final String targetInstructionSet; 4660 synchronized (mPackages) { 4661 p = mPackages.get(packageName); 4662 if (p == null) { 4663 return false; 4664 } 4665 if (updateUsage) { 4666 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4667 } 4668 mPackageUsage.write(false); 4669 if (!dexopt) { 4670 // We aren't going to dexopt, so bail early. 4671 return false; 4672 } 4673 4674 targetInstructionSet = instructionSet != null ? instructionSet : 4675 getPrimaryInstructionSet(p.applicationInfo); 4676 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4677 return false; 4678 } 4679 } 4680 4681 synchronized (mInstallLock) { 4682 final String[] instructionSets = new String[] { targetInstructionSet }; 4683 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4684 true /* include dependencies */) == DEX_OPT_PERFORMED; 4685 } 4686 } 4687 4688 public HashSet<String> getPackagesThatNeedDexOpt() { 4689 HashSet<String> pkgs = null; 4690 synchronized (mPackages) { 4691 for (PackageParser.Package p : mPackages.values()) { 4692 if (DEBUG_DEXOPT) { 4693 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4694 } 4695 if (!p.mDexOptPerformed.isEmpty()) { 4696 continue; 4697 } 4698 if (pkgs == null) { 4699 pkgs = new HashSet<String>(); 4700 } 4701 pkgs.add(p.packageName); 4702 } 4703 } 4704 return pkgs; 4705 } 4706 4707 public void shutdown() { 4708 mPackageUsage.write(true); 4709 } 4710 4711 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4712 boolean forceDex, boolean defer, HashSet<String> done) { 4713 for (int i=0; i<libs.size(); i++) { 4714 PackageParser.Package libPkg; 4715 String libName; 4716 synchronized (mPackages) { 4717 libName = libs.get(i); 4718 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4719 if (lib != null && lib.apk != null) { 4720 libPkg = mPackages.get(lib.apk); 4721 } else { 4722 libPkg = null; 4723 } 4724 } 4725 if (libPkg != null && !done.contains(libName)) { 4726 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4727 } 4728 } 4729 } 4730 4731 static final int DEX_OPT_SKIPPED = 0; 4732 static final int DEX_OPT_PERFORMED = 1; 4733 static final int DEX_OPT_DEFERRED = 2; 4734 static final int DEX_OPT_FAILED = -1; 4735 4736 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4737 boolean forceDex, boolean defer, HashSet<String> done) { 4738 final String[] instructionSets = targetInstructionSets != null ? 4739 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4740 4741 if (done != null) { 4742 done.add(pkg.packageName); 4743 if (pkg.usesLibraries != null) { 4744 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4745 } 4746 if (pkg.usesOptionalLibraries != null) { 4747 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4748 } 4749 } 4750 4751 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4752 return DEX_OPT_SKIPPED; 4753 } 4754 4755 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4756 4757 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4758 boolean performedDexOpt = false; 4759 // There are three basic cases here: 4760 // 1.) we need to dexopt, either because we are forced or it is needed 4761 // 2.) we are defering a needed dexopt 4762 // 3.) we are skipping an unneeded dexopt 4763 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4764 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4765 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4766 continue; 4767 } 4768 4769 for (String path : paths) { 4770 try { 4771 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4772 // patckage or the one we find does not match the image checksum (i.e. it was 4773 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4774 // odex file and it matches the checksum of the image but not its base address, 4775 // meaning we need to move it. 4776 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4777 pkg.packageName, dexCodeInstructionSet, defer); 4778 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4779 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4780 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4781 + " vmSafeMode=" + vmSafeMode); 4782 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4783 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4784 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4785 4786 if (ret < 0) { 4787 // Don't bother running dexopt again if we failed, it will probably 4788 // just result in an error again. Also, don't bother dexopting for other 4789 // paths & ISAs. 4790 return DEX_OPT_FAILED; 4791 } 4792 4793 performedDexOpt = true; 4794 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4795 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4796 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4797 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4798 pkg.packageName, dexCodeInstructionSet); 4799 4800 if (ret < 0) { 4801 // Don't bother running patchoat again if we failed, it will probably 4802 // just result in an error again. Also, don't bother dexopting for other 4803 // paths & ISAs. 4804 return DEX_OPT_FAILED; 4805 } 4806 4807 performedDexOpt = true; 4808 } 4809 4810 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4811 // paths and instruction sets. We'll deal with them all together when we process 4812 // our list of deferred dexopts. 4813 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4814 if (mDeferredDexOpt == null) { 4815 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4816 } 4817 mDeferredDexOpt.add(pkg); 4818 return DEX_OPT_DEFERRED; 4819 } 4820 } catch (FileNotFoundException e) { 4821 Slog.w(TAG, "Apk not found for dexopt: " + path); 4822 return DEX_OPT_FAILED; 4823 } catch (IOException e) { 4824 Slog.w(TAG, "IOException reading apk: " + path, e); 4825 return DEX_OPT_FAILED; 4826 } catch (StaleDexCacheError e) { 4827 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4828 return DEX_OPT_FAILED; 4829 } catch (Exception e) { 4830 Slog.w(TAG, "Exception when doing dexopt : ", e); 4831 return DEX_OPT_FAILED; 4832 } 4833 } 4834 4835 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4836 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4837 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4838 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4839 // it. 4840 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4841 } 4842 4843 // If we've gotten here, we're sure that no error occurred and that we haven't 4844 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4845 // we've skipped all of them because they are up to date. In both cases this 4846 // package doesn't need dexopt any longer. 4847 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4848 } 4849 4850 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4851 if (info.primaryCpuAbi != null) { 4852 if (info.secondaryCpuAbi != null) { 4853 return new String[] { 4854 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4855 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4856 } else { 4857 return new String[] { 4858 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4859 } 4860 } 4861 4862 return new String[] { getPreferredInstructionSet() }; 4863 } 4864 4865 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4866 if (ps.primaryCpuAbiString != null) { 4867 if (ps.secondaryCpuAbiString != null) { 4868 return new String[] { 4869 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4870 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4871 } else { 4872 return new String[] { 4873 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4874 } 4875 } 4876 4877 return new String[] { getPreferredInstructionSet() }; 4878 } 4879 4880 private static String getPreferredInstructionSet() { 4881 if (sPreferredInstructionSet == null) { 4882 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4883 } 4884 4885 return sPreferredInstructionSet; 4886 } 4887 4888 private static List<String> getAllInstructionSets() { 4889 final String[] allAbis = Build.SUPPORTED_ABIS; 4890 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4891 4892 for (String abi : allAbis) { 4893 final String instructionSet = VMRuntime.getInstructionSet(abi); 4894 if (!allInstructionSets.contains(instructionSet)) { 4895 allInstructionSets.add(instructionSet); 4896 } 4897 } 4898 4899 return allInstructionSets; 4900 } 4901 4902 /** 4903 * Returns the instruction set that should be used to compile dex code. In the presence of 4904 * a native bridge this might be different than the one shared libraries use. 4905 */ 4906 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4907 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4908 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4909 } 4910 4911 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4912 HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length); 4913 for (String instructionSet : instructionSets) { 4914 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4915 } 4916 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4917 } 4918 4919 /** 4920 * Returns deduplicated list of supported instructions for dex code. 4921 */ 4922 public static String[] getAllDexCodeInstructionSets() { 4923 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4924 for (int i = 0; i < supportedInstructionSets.length; i++) { 4925 String abi = Build.SUPPORTED_ABIS[i]; 4926 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4927 } 4928 return getDexCodeInstructionSets(supportedInstructionSets); 4929 } 4930 4931 @Override 4932 public void forceDexOpt(String packageName) { 4933 enforceSystemOrRoot("forceDexOpt"); 4934 4935 PackageParser.Package pkg; 4936 synchronized (mPackages) { 4937 pkg = mPackages.get(packageName); 4938 if (pkg == null) { 4939 throw new IllegalArgumentException("Missing package: " + packageName); 4940 } 4941 } 4942 4943 synchronized (mInstallLock) { 4944 final String[] instructionSets = new String[] { 4945 getPrimaryInstructionSet(pkg.applicationInfo) }; 4946 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4947 if (res != DEX_OPT_PERFORMED) { 4948 throw new IllegalStateException("Failed to dexopt: " + res); 4949 } 4950 } 4951 } 4952 4953 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4954 boolean forceDex, boolean defer, boolean inclDependencies) { 4955 HashSet<String> done; 4956 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4957 done = new HashSet<String>(); 4958 done.add(pkg.packageName); 4959 } else { 4960 done = null; 4961 } 4962 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4963 } 4964 4965 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4966 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4967 Slog.w(TAG, "Unable to update from " + oldPkg.name 4968 + " to " + newPkg.packageName 4969 + ": old package not in system partition"); 4970 return false; 4971 } else if (mPackages.get(oldPkg.name) != null) { 4972 Slog.w(TAG, "Unable to update from " + oldPkg.name 4973 + " to " + newPkg.packageName 4974 + ": old package still exists"); 4975 return false; 4976 } 4977 return true; 4978 } 4979 4980 File getDataPathForUser(int userId) { 4981 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4982 } 4983 4984 private File getDataPathForPackage(String packageName, int userId) { 4985 /* 4986 * Until we fully support multiple users, return the directory we 4987 * previously would have. The PackageManagerTests will need to be 4988 * revised when this is changed back.. 4989 */ 4990 if (userId == 0) { 4991 return new File(mAppDataDir, packageName); 4992 } else { 4993 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4994 + File.separator + packageName); 4995 } 4996 } 4997 4998 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4999 int[] users = sUserManager.getUserIds(); 5000 int res = mInstaller.install(packageName, uid, uid, seinfo); 5001 if (res < 0) { 5002 return res; 5003 } 5004 for (int user : users) { 5005 if (user != 0) { 5006 res = mInstaller.createUserData(packageName, 5007 UserHandle.getUid(user, uid), user, seinfo); 5008 if (res < 0) { 5009 return res; 5010 } 5011 } 5012 } 5013 return res; 5014 } 5015 5016 private int removeDataDirsLI(String packageName) { 5017 int[] users = sUserManager.getUserIds(); 5018 int res = 0; 5019 for (int user : users) { 5020 int resInner = mInstaller.remove(packageName, user); 5021 if (resInner < 0) { 5022 res = resInner; 5023 } 5024 } 5025 5026 return res; 5027 } 5028 5029 private int deleteCodeCacheDirsLI(String packageName) { 5030 int[] users = sUserManager.getUserIds(); 5031 int res = 0; 5032 for (int user : users) { 5033 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5034 if (resInner < 0) { 5035 res = resInner; 5036 } 5037 } 5038 return res; 5039 } 5040 5041 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5042 PackageParser.Package changingLib) { 5043 if (file.path != null) { 5044 usesLibraryFiles.add(file.path); 5045 return; 5046 } 5047 PackageParser.Package p = mPackages.get(file.apk); 5048 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5049 // If we are doing this while in the middle of updating a library apk, 5050 // then we need to make sure to use that new apk for determining the 5051 // dependencies here. (We haven't yet finished committing the new apk 5052 // to the package manager state.) 5053 if (p == null || p.packageName.equals(changingLib.packageName)) { 5054 p = changingLib; 5055 } 5056 } 5057 if (p != null) { 5058 usesLibraryFiles.addAll(p.getAllCodePaths()); 5059 } 5060 } 5061 5062 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5063 PackageParser.Package changingLib) throws PackageManagerException { 5064 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5065 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5066 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5067 for (int i=0; i<N; i++) { 5068 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5069 if (file == null) { 5070 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5071 "Package " + pkg.packageName + " requires unavailable shared library " 5072 + pkg.usesLibraries.get(i) + "; failing!"); 5073 } 5074 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5075 } 5076 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5077 for (int i=0; i<N; i++) { 5078 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5079 if (file == null) { 5080 Slog.w(TAG, "Package " + pkg.packageName 5081 + " desires unavailable shared library " 5082 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5083 } else { 5084 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5085 } 5086 } 5087 N = usesLibraryFiles.size(); 5088 if (N > 0) { 5089 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5090 } else { 5091 pkg.usesLibraryFiles = null; 5092 } 5093 } 5094 } 5095 5096 private static boolean hasString(List<String> list, List<String> which) { 5097 if (list == null) { 5098 return false; 5099 } 5100 for (int i=list.size()-1; i>=0; i--) { 5101 for (int j=which.size()-1; j>=0; j--) { 5102 if (which.get(j).equals(list.get(i))) { 5103 return true; 5104 } 5105 } 5106 } 5107 return false; 5108 } 5109 5110 private void updateAllSharedLibrariesLPw() { 5111 for (PackageParser.Package pkg : mPackages.values()) { 5112 try { 5113 updateSharedLibrariesLPw(pkg, null); 5114 } catch (PackageManagerException e) { 5115 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5116 } 5117 } 5118 } 5119 5120 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5121 PackageParser.Package changingPkg) { 5122 ArrayList<PackageParser.Package> res = null; 5123 for (PackageParser.Package pkg : mPackages.values()) { 5124 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5125 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5126 if (res == null) { 5127 res = new ArrayList<PackageParser.Package>(); 5128 } 5129 res.add(pkg); 5130 try { 5131 updateSharedLibrariesLPw(pkg, changingPkg); 5132 } catch (PackageManagerException e) { 5133 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5134 } 5135 } 5136 } 5137 return res; 5138 } 5139 5140 /** 5141 * Derive the value of the {@code cpuAbiOverride} based on the provided 5142 * value and an optional stored value from the package settings. 5143 */ 5144 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5145 String cpuAbiOverride = null; 5146 5147 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5148 cpuAbiOverride = null; 5149 } else if (abiOverride != null) { 5150 cpuAbiOverride = abiOverride; 5151 } else if (settings != null) { 5152 cpuAbiOverride = settings.cpuAbiOverrideString; 5153 } 5154 5155 return cpuAbiOverride; 5156 } 5157 5158 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5159 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5160 boolean success = false; 5161 try { 5162 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5163 currentTime, user); 5164 success = true; 5165 return res; 5166 } finally { 5167 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5168 removeDataDirsLI(pkg.packageName); 5169 } 5170 } 5171 } 5172 5173 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5174 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5175 final File scanFile = new File(pkg.codePath); 5176 if (pkg.applicationInfo.getCodePath() == null || 5177 pkg.applicationInfo.getResourcePath() == null) { 5178 // Bail out. The resource and code paths haven't been set. 5179 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5180 "Code and resource paths haven't been set correctly"); 5181 } 5182 5183 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5184 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5185 } else { 5186 // Only allow system apps to be flagged as core apps. 5187 pkg.coreApp = false; 5188 } 5189 5190 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5191 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5192 } 5193 5194 if (mCustomResolverComponentName != null && 5195 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5196 setUpCustomResolverActivity(pkg); 5197 } 5198 5199 if (pkg.packageName.equals("android")) { 5200 synchronized (mPackages) { 5201 if (mAndroidApplication != null) { 5202 Slog.w(TAG, "*************************************************"); 5203 Slog.w(TAG, "Core android package being redefined. Skipping."); 5204 Slog.w(TAG, " file=" + scanFile); 5205 Slog.w(TAG, "*************************************************"); 5206 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5207 "Core android package being redefined. Skipping."); 5208 } 5209 5210 // Set up information for our fall-back user intent resolution activity. 5211 mPlatformPackage = pkg; 5212 pkg.mVersionCode = mSdkVersion; 5213 mAndroidApplication = pkg.applicationInfo; 5214 5215 if (!mResolverReplaced) { 5216 mResolveActivity.applicationInfo = mAndroidApplication; 5217 mResolveActivity.name = ResolverActivity.class.getName(); 5218 mResolveActivity.packageName = mAndroidApplication.packageName; 5219 mResolveActivity.processName = "system:ui"; 5220 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5221 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5222 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5223 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5224 mResolveActivity.exported = true; 5225 mResolveActivity.enabled = true; 5226 mResolveInfo.activityInfo = mResolveActivity; 5227 mResolveInfo.priority = 0; 5228 mResolveInfo.preferredOrder = 0; 5229 mResolveInfo.match = 0; 5230 mResolveComponentName = new ComponentName( 5231 mAndroidApplication.packageName, mResolveActivity.name); 5232 } 5233 } 5234 } 5235 5236 if (DEBUG_PACKAGE_SCANNING) { 5237 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5238 Log.d(TAG, "Scanning package " + pkg.packageName); 5239 } 5240 5241 if (mPackages.containsKey(pkg.packageName) 5242 || mSharedLibraries.containsKey(pkg.packageName)) { 5243 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5244 "Application package " + pkg.packageName 5245 + " already installed. Skipping duplicate."); 5246 } 5247 5248 // Initialize package source and resource directories 5249 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5250 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5251 5252 SharedUserSetting suid = null; 5253 PackageSetting pkgSetting = null; 5254 5255 if (!isSystemApp(pkg)) { 5256 // Only system apps can use these features. 5257 pkg.mOriginalPackages = null; 5258 pkg.mRealPackage = null; 5259 pkg.mAdoptPermissions = null; 5260 } 5261 5262 // writer 5263 synchronized (mPackages) { 5264 if (pkg.mSharedUserId != null) { 5265 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5266 if (suid == null) { 5267 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5268 "Creating application package " + pkg.packageName 5269 + " for shared user failed"); 5270 } 5271 if (DEBUG_PACKAGE_SCANNING) { 5272 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5273 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5274 + "): packages=" + suid.packages); 5275 } 5276 } 5277 5278 // Check if we are renaming from an original package name. 5279 PackageSetting origPackage = null; 5280 String realName = null; 5281 if (pkg.mOriginalPackages != null) { 5282 // This package may need to be renamed to a previously 5283 // installed name. Let's check on that... 5284 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5285 if (pkg.mOriginalPackages.contains(renamed)) { 5286 // This package had originally been installed as the 5287 // original name, and we have already taken care of 5288 // transitioning to the new one. Just update the new 5289 // one to continue using the old name. 5290 realName = pkg.mRealPackage; 5291 if (!pkg.packageName.equals(renamed)) { 5292 // Callers into this function may have already taken 5293 // care of renaming the package; only do it here if 5294 // it is not already done. 5295 pkg.setPackageName(renamed); 5296 } 5297 5298 } else { 5299 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5300 if ((origPackage = mSettings.peekPackageLPr( 5301 pkg.mOriginalPackages.get(i))) != null) { 5302 // We do have the package already installed under its 5303 // original name... should we use it? 5304 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5305 // New package is not compatible with original. 5306 origPackage = null; 5307 continue; 5308 } else if (origPackage.sharedUser != null) { 5309 // Make sure uid is compatible between packages. 5310 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5311 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5312 + " to " + pkg.packageName + ": old uid " 5313 + origPackage.sharedUser.name 5314 + " differs from " + pkg.mSharedUserId); 5315 origPackage = null; 5316 continue; 5317 } 5318 } else { 5319 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5320 + pkg.packageName + " to old name " + origPackage.name); 5321 } 5322 break; 5323 } 5324 } 5325 } 5326 } 5327 5328 if (mTransferedPackages.contains(pkg.packageName)) { 5329 Slog.w(TAG, "Package " + pkg.packageName 5330 + " was transferred to another, but its .apk remains"); 5331 } 5332 5333 // Just create the setting, don't add it yet. For already existing packages 5334 // the PkgSetting exists already and doesn't have to be created. 5335 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5336 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5337 pkg.applicationInfo.primaryCpuAbi, 5338 pkg.applicationInfo.secondaryCpuAbi, 5339 pkg.applicationInfo.flags, user, false); 5340 if (pkgSetting == null) { 5341 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5342 "Creating application package " + pkg.packageName + " failed"); 5343 } 5344 5345 if (pkgSetting.origPackage != null) { 5346 // If we are first transitioning from an original package, 5347 // fix up the new package's name now. We need to do this after 5348 // looking up the package under its new name, so getPackageLP 5349 // can take care of fiddling things correctly. 5350 pkg.setPackageName(origPackage.name); 5351 5352 // File a report about this. 5353 String msg = "New package " + pkgSetting.realName 5354 + " renamed to replace old package " + pkgSetting.name; 5355 reportSettingsProblem(Log.WARN, msg); 5356 5357 // Make a note of it. 5358 mTransferedPackages.add(origPackage.name); 5359 5360 // No longer need to retain this. 5361 pkgSetting.origPackage = null; 5362 } 5363 5364 if (realName != null) { 5365 // Make a note of it. 5366 mTransferedPackages.add(pkg.packageName); 5367 } 5368 5369 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5370 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5371 } 5372 5373 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5374 // Check all shared libraries and map to their actual file path. 5375 // We only do this here for apps not on a system dir, because those 5376 // are the only ones that can fail an install due to this. We 5377 // will take care of the system apps by updating all of their 5378 // library paths after the scan is done. 5379 updateSharedLibrariesLPw(pkg, null); 5380 } 5381 5382 if (mFoundPolicyFile) { 5383 SELinuxMMAC.assignSeinfoValue(pkg); 5384 } 5385 5386 pkg.applicationInfo.uid = pkgSetting.appId; 5387 pkg.mExtras = pkgSetting; 5388 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5389 try { 5390 verifySignaturesLP(pkgSetting, pkg); 5391 } catch (PackageManagerException e) { 5392 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5393 throw e; 5394 } 5395 // The signature has changed, but this package is in the system 5396 // image... let's recover! 5397 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5398 // However... if this package is part of a shared user, but it 5399 // doesn't match the signature of the shared user, let's fail. 5400 // What this means is that you can't change the signatures 5401 // associated with an overall shared user, which doesn't seem all 5402 // that unreasonable. 5403 if (pkgSetting.sharedUser != null) { 5404 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5405 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5406 throw new PackageManagerException( 5407 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5408 "Signature mismatch for shared user : " 5409 + pkgSetting.sharedUser); 5410 } 5411 } 5412 // File a report about this. 5413 String msg = "System package " + pkg.packageName 5414 + " signature changed; retaining data."; 5415 reportSettingsProblem(Log.WARN, msg); 5416 } 5417 } else { 5418 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5419 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5420 + pkg.packageName + " upgrade keys do not match the " 5421 + "previously installed version"); 5422 } else { 5423 // signatures may have changed as result of upgrade 5424 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5425 } 5426 } 5427 // Verify that this new package doesn't have any content providers 5428 // that conflict with existing packages. Only do this if the 5429 // package isn't already installed, since we don't want to break 5430 // things that are installed. 5431 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5432 final int N = pkg.providers.size(); 5433 int i; 5434 for (i=0; i<N; i++) { 5435 PackageParser.Provider p = pkg.providers.get(i); 5436 if (p.info.authority != null) { 5437 String names[] = p.info.authority.split(";"); 5438 for (int j = 0; j < names.length; j++) { 5439 if (mProvidersByAuthority.containsKey(names[j])) { 5440 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5441 final String otherPackageName = 5442 ((other != null && other.getComponentName() != null) ? 5443 other.getComponentName().getPackageName() : "?"); 5444 throw new PackageManagerException( 5445 INSTALL_FAILED_CONFLICTING_PROVIDER, 5446 "Can't install because provider name " + names[j] 5447 + " (in package " + pkg.applicationInfo.packageName 5448 + ") is already used by " + otherPackageName); 5449 } 5450 } 5451 } 5452 } 5453 } 5454 5455 if (pkg.mAdoptPermissions != null) { 5456 // This package wants to adopt ownership of permissions from 5457 // another package. 5458 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5459 final String origName = pkg.mAdoptPermissions.get(i); 5460 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5461 if (orig != null) { 5462 if (verifyPackageUpdateLPr(orig, pkg)) { 5463 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5464 + pkg.packageName); 5465 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5466 } 5467 } 5468 } 5469 } 5470 } 5471 5472 final String pkgName = pkg.packageName; 5473 5474 final long scanFileTime = scanFile.lastModified(); 5475 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5476 pkg.applicationInfo.processName = fixProcessName( 5477 pkg.applicationInfo.packageName, 5478 pkg.applicationInfo.processName, 5479 pkg.applicationInfo.uid); 5480 5481 File dataPath; 5482 if (mPlatformPackage == pkg) { 5483 // The system package is special. 5484 dataPath = new File(Environment.getDataDirectory(), "system"); 5485 5486 pkg.applicationInfo.dataDir = dataPath.getPath(); 5487 5488 } else { 5489 // This is a normal package, need to make its data directory. 5490 dataPath = getDataPathForPackage(pkg.packageName, 0); 5491 5492 boolean uidError = false; 5493 if (dataPath.exists()) { 5494 int currentUid = 0; 5495 try { 5496 StructStat stat = Os.stat(dataPath.getPath()); 5497 currentUid = stat.st_uid; 5498 } catch (ErrnoException e) { 5499 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5500 } 5501 5502 // If we have mismatched owners for the data path, we have a problem. 5503 if (currentUid != pkg.applicationInfo.uid) { 5504 boolean recovered = false; 5505 if (currentUid == 0) { 5506 // The directory somehow became owned by root. Wow. 5507 // This is probably because the system was stopped while 5508 // installd was in the middle of messing with its libs 5509 // directory. Ask installd to fix that. 5510 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5511 pkg.applicationInfo.uid); 5512 if (ret >= 0) { 5513 recovered = true; 5514 String msg = "Package " + pkg.packageName 5515 + " unexpectedly changed to uid 0; recovered to " + 5516 + pkg.applicationInfo.uid; 5517 reportSettingsProblem(Log.WARN, msg); 5518 } 5519 } 5520 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5521 || (scanFlags&SCAN_BOOTING) != 0)) { 5522 // If this is a system app, we can at least delete its 5523 // current data so the application will still work. 5524 int ret = removeDataDirsLI(pkgName); 5525 if (ret >= 0) { 5526 // TODO: Kill the processes first 5527 // Old data gone! 5528 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5529 ? "System package " : "Third party package "; 5530 String msg = prefix + pkg.packageName 5531 + " has changed from uid: " 5532 + currentUid + " to " 5533 + pkg.applicationInfo.uid + "; old data erased"; 5534 reportSettingsProblem(Log.WARN, msg); 5535 recovered = true; 5536 5537 // And now re-install the app. 5538 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5539 pkg.applicationInfo.seinfo); 5540 if (ret == -1) { 5541 // Ack should not happen! 5542 msg = prefix + pkg.packageName 5543 + " could not have data directory re-created after delete."; 5544 reportSettingsProblem(Log.WARN, msg); 5545 throw new PackageManagerException( 5546 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5547 } 5548 } 5549 if (!recovered) { 5550 mHasSystemUidErrors = true; 5551 } 5552 } else if (!recovered) { 5553 // If we allow this install to proceed, we will be broken. 5554 // Abort, abort! 5555 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5556 "scanPackageLI"); 5557 } 5558 if (!recovered) { 5559 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5560 + pkg.applicationInfo.uid + "/fs_" 5561 + currentUid; 5562 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5563 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5564 String msg = "Package " + pkg.packageName 5565 + " has mismatched uid: " 5566 + currentUid + " on disk, " 5567 + pkg.applicationInfo.uid + " in settings"; 5568 // writer 5569 synchronized (mPackages) { 5570 mSettings.mReadMessages.append(msg); 5571 mSettings.mReadMessages.append('\n'); 5572 uidError = true; 5573 if (!pkgSetting.uidError) { 5574 reportSettingsProblem(Log.ERROR, msg); 5575 } 5576 } 5577 } 5578 } 5579 pkg.applicationInfo.dataDir = dataPath.getPath(); 5580 if (mShouldRestoreconData) { 5581 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5582 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5583 pkg.applicationInfo.uid); 5584 } 5585 } else { 5586 if (DEBUG_PACKAGE_SCANNING) { 5587 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5588 Log.v(TAG, "Want this data dir: " + dataPath); 5589 } 5590 //invoke installer to do the actual installation 5591 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5592 pkg.applicationInfo.seinfo); 5593 if (ret < 0) { 5594 // Error from installer 5595 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5596 "Unable to create data dirs [errorCode=" + ret + "]"); 5597 } 5598 5599 if (dataPath.exists()) { 5600 pkg.applicationInfo.dataDir = dataPath.getPath(); 5601 } else { 5602 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5603 pkg.applicationInfo.dataDir = null; 5604 } 5605 } 5606 5607 pkgSetting.uidError = uidError; 5608 } 5609 5610 final String path = scanFile.getPath(); 5611 final String codePath = pkg.applicationInfo.getCodePath(); 5612 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5613 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5614 setBundledAppAbisAndRoots(pkg, pkgSetting); 5615 5616 // If we haven't found any native libraries for the app, check if it has 5617 // renderscript code. We'll need to force the app to 32 bit if it has 5618 // renderscript bitcode. 5619 if (pkg.applicationInfo.primaryCpuAbi == null 5620 && pkg.applicationInfo.secondaryCpuAbi == null 5621 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5622 NativeLibraryHelper.Handle handle = null; 5623 try { 5624 handle = NativeLibraryHelper.Handle.create(scanFile); 5625 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5626 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5627 } 5628 } catch (IOException ioe) { 5629 Slog.w(TAG, "Error scanning system app : " + ioe); 5630 } finally { 5631 IoUtils.closeQuietly(handle); 5632 } 5633 } 5634 5635 setNativeLibraryPaths(pkg); 5636 } else { 5637 // TODO: We can probably be smarter about this stuff. For installed apps, 5638 // we can calculate this information at install time once and for all. For 5639 // system apps, we can probably assume that this information doesn't change 5640 // after the first boot scan. As things stand, we do lots of unnecessary work. 5641 5642 // Give ourselves some initial paths; we'll come back for another 5643 // pass once we've determined ABI below. 5644 setNativeLibraryPaths(pkg); 5645 5646 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5647 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5648 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5649 5650 NativeLibraryHelper.Handle handle = null; 5651 try { 5652 handle = NativeLibraryHelper.Handle.create(scanFile); 5653 // TODO(multiArch): This can be null for apps that didn't go through the 5654 // usual installation process. We can calculate it again, like we 5655 // do during install time. 5656 // 5657 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5658 // unnecessary. 5659 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5660 5661 // Null out the abis so that they can be recalculated. 5662 pkg.applicationInfo.primaryCpuAbi = null; 5663 pkg.applicationInfo.secondaryCpuAbi = null; 5664 if (isMultiArch(pkg.applicationInfo)) { 5665 // Warn if we've set an abiOverride for multi-lib packages.. 5666 // By definition, we need to copy both 32 and 64 bit libraries for 5667 // such packages. 5668 if (pkg.cpuAbiOverride != null 5669 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5670 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5671 } 5672 5673 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5674 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5675 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5676 if (isAsec) { 5677 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5678 } else { 5679 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5680 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5681 useIsaSpecificSubdirs); 5682 } 5683 } 5684 5685 maybeThrowExceptionForMultiArchCopy( 5686 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5687 5688 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5689 if (isAsec) { 5690 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5691 } else { 5692 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5693 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5694 useIsaSpecificSubdirs); 5695 } 5696 } 5697 5698 maybeThrowExceptionForMultiArchCopy( 5699 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5700 5701 if (abi64 >= 0) { 5702 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5703 } 5704 5705 if (abi32 >= 0) { 5706 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5707 if (abi64 >= 0) { 5708 pkg.applicationInfo.secondaryCpuAbi = abi; 5709 } else { 5710 pkg.applicationInfo.primaryCpuAbi = abi; 5711 } 5712 } 5713 } else { 5714 String[] abiList = (cpuAbiOverride != null) ? 5715 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5716 5717 // Enable gross and lame hacks for apps that are built with old 5718 // SDK tools. We must scan their APKs for renderscript bitcode and 5719 // not launch them if it's present. Don't bother checking on devices 5720 // that don't have 64 bit support. 5721 boolean needsRenderScriptOverride = false; 5722 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5723 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5724 abiList = Build.SUPPORTED_32_BIT_ABIS; 5725 needsRenderScriptOverride = true; 5726 } 5727 5728 final int copyRet; 5729 if (isAsec) { 5730 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5731 } else { 5732 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5733 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5734 } 5735 5736 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5737 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5738 "Error unpackaging native libs for app, errorCode=" + copyRet); 5739 } 5740 5741 if (copyRet >= 0) { 5742 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5743 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5744 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5745 } else if (needsRenderScriptOverride) { 5746 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5747 } 5748 } 5749 } catch (IOException ioe) { 5750 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5751 } finally { 5752 IoUtils.closeQuietly(handle); 5753 } 5754 5755 // Now that we've calculated the ABIs and determined if it's an internal app, 5756 // we will go ahead and populate the nativeLibraryPath. 5757 setNativeLibraryPaths(pkg); 5758 5759 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5760 final int[] userIds = sUserManager.getUserIds(); 5761 synchronized (mInstallLock) { 5762 // Create a native library symlink only if we have native libraries 5763 // and if the native libraries are 32 bit libraries. We do not provide 5764 // this symlink for 64 bit libraries. 5765 if (pkg.applicationInfo.primaryCpuAbi != null && 5766 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5767 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5768 for (int userId : userIds) { 5769 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5770 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5771 "Failed linking native library dir (user=" + userId + ")"); 5772 } 5773 } 5774 } 5775 } 5776 } 5777 5778 // This is a special case for the "system" package, where the ABI is 5779 // dictated by the zygote configuration (and init.rc). We should keep track 5780 // of this ABI so that we can deal with "normal" applications that run under 5781 // the same UID correctly. 5782 if (mPlatformPackage == pkg) { 5783 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5784 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5785 } 5786 5787 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5788 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5789 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5790 // Copy the derived override back to the parsed package, so that we can 5791 // update the package settings accordingly. 5792 pkg.cpuAbiOverride = cpuAbiOverride; 5793 5794 if (DEBUG_ABI_SELECTION) { 5795 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5796 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5797 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5798 } 5799 5800 // Push the derived path down into PackageSettings so we know what to 5801 // clean up at uninstall time. 5802 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5803 5804 if (DEBUG_ABI_SELECTION) { 5805 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5806 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5807 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5808 } 5809 5810 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5811 // We don't do this here during boot because we can do it all 5812 // at once after scanning all existing packages. 5813 // 5814 // We also do this *before* we perform dexopt on this package, so that 5815 // we can avoid redundant dexopts, and also to make sure we've got the 5816 // code and package path correct. 5817 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5818 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5819 } 5820 5821 if ((scanFlags & SCAN_NO_DEX) == 0) { 5822 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5823 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5824 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5825 } 5826 } 5827 5828 if (mFactoryTest && pkg.requestedPermissions.contains( 5829 android.Manifest.permission.FACTORY_TEST)) { 5830 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5831 } 5832 5833 ArrayList<PackageParser.Package> clientLibPkgs = null; 5834 5835 // writer 5836 synchronized (mPackages) { 5837 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5838 // Only system apps can add new shared libraries. 5839 if (pkg.libraryNames != null) { 5840 for (int i=0; i<pkg.libraryNames.size(); i++) { 5841 String name = pkg.libraryNames.get(i); 5842 boolean allowed = false; 5843 if (isUpdatedSystemApp(pkg)) { 5844 // New library entries can only be added through the 5845 // system image. This is important to get rid of a lot 5846 // of nasty edge cases: for example if we allowed a non- 5847 // system update of the app to add a library, then uninstalling 5848 // the update would make the library go away, and assumptions 5849 // we made such as through app install filtering would now 5850 // have allowed apps on the device which aren't compatible 5851 // with it. Better to just have the restriction here, be 5852 // conservative, and create many fewer cases that can negatively 5853 // impact the user experience. 5854 final PackageSetting sysPs = mSettings 5855 .getDisabledSystemPkgLPr(pkg.packageName); 5856 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5857 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5858 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5859 allowed = true; 5860 allowed = true; 5861 break; 5862 } 5863 } 5864 } 5865 } else { 5866 allowed = true; 5867 } 5868 if (allowed) { 5869 if (!mSharedLibraries.containsKey(name)) { 5870 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5871 } else if (!name.equals(pkg.packageName)) { 5872 Slog.w(TAG, "Package " + pkg.packageName + " library " 5873 + name + " already exists; skipping"); 5874 } 5875 } else { 5876 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5877 + name + " that is not declared on system image; skipping"); 5878 } 5879 } 5880 if ((scanFlags&SCAN_BOOTING) == 0) { 5881 // If we are not booting, we need to update any applications 5882 // that are clients of our shared library. If we are booting, 5883 // this will all be done once the scan is complete. 5884 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5885 } 5886 } 5887 } 5888 } 5889 5890 // We also need to dexopt any apps that are dependent on this library. Note that 5891 // if these fail, we should abort the install since installing the library will 5892 // result in some apps being broken. 5893 if (clientLibPkgs != null) { 5894 if ((scanFlags & SCAN_NO_DEX) == 0) { 5895 for (int i = 0; i < clientLibPkgs.size(); i++) { 5896 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5897 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5898 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5899 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5900 "scanPackageLI failed to dexopt clientLibPkgs"); 5901 } 5902 } 5903 } 5904 } 5905 5906 // Request the ActivityManager to kill the process(only for existing packages) 5907 // so that we do not end up in a confused state while the user is still using the older 5908 // version of the application while the new one gets installed. 5909 if ((scanFlags & SCAN_REPLACING) != 0) { 5910 killApplication(pkg.applicationInfo.packageName, 5911 pkg.applicationInfo.uid, "update pkg"); 5912 } 5913 5914 // Also need to kill any apps that are dependent on the library. 5915 if (clientLibPkgs != null) { 5916 for (int i=0; i<clientLibPkgs.size(); i++) { 5917 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5918 killApplication(clientPkg.applicationInfo.packageName, 5919 clientPkg.applicationInfo.uid, "update lib"); 5920 } 5921 } 5922 5923 // writer 5924 synchronized (mPackages) { 5925 // We don't expect installation to fail beyond this point 5926 5927 // Add the new setting to mSettings 5928 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5929 // Add the new setting to mPackages 5930 mPackages.put(pkg.applicationInfo.packageName, pkg); 5931 // Make sure we don't accidentally delete its data. 5932 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5933 while (iter.hasNext()) { 5934 PackageCleanItem item = iter.next(); 5935 if (pkgName.equals(item.packageName)) { 5936 iter.remove(); 5937 } 5938 } 5939 5940 // Take care of first install / last update times. 5941 if (currentTime != 0) { 5942 if (pkgSetting.firstInstallTime == 0) { 5943 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5944 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5945 pkgSetting.lastUpdateTime = currentTime; 5946 } 5947 } else if (pkgSetting.firstInstallTime == 0) { 5948 // We need *something*. Take time time stamp of the file. 5949 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5950 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5951 if (scanFileTime != pkgSetting.timeStamp) { 5952 // A package on the system image has changed; consider this 5953 // to be an update. 5954 pkgSetting.lastUpdateTime = scanFileTime; 5955 } 5956 } 5957 5958 // Add the package's KeySets to the global KeySetManagerService 5959 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5960 try { 5961 // Old KeySetData no longer valid. 5962 ksms.removeAppKeySetDataLPw(pkg.packageName); 5963 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5964 if (pkg.mKeySetMapping != null) { 5965 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5966 pkg.mKeySetMapping.entrySet()) { 5967 if (entry.getValue() != null) { 5968 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5969 entry.getValue(), entry.getKey()); 5970 } 5971 } 5972 if (pkg.mUpgradeKeySets != null) { 5973 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5974 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5975 } 5976 } 5977 } 5978 } catch (NullPointerException e) { 5979 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5980 } catch (IllegalArgumentException e) { 5981 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5982 } 5983 5984 int N = pkg.providers.size(); 5985 StringBuilder r = null; 5986 int i; 5987 for (i=0; i<N; i++) { 5988 PackageParser.Provider p = pkg.providers.get(i); 5989 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5990 p.info.processName, pkg.applicationInfo.uid); 5991 mProviders.addProvider(p); 5992 p.syncable = p.info.isSyncable; 5993 if (p.info.authority != null) { 5994 String names[] = p.info.authority.split(";"); 5995 p.info.authority = null; 5996 for (int j = 0; j < names.length; j++) { 5997 if (j == 1 && p.syncable) { 5998 // We only want the first authority for a provider to possibly be 5999 // syncable, so if we already added this provider using a different 6000 // authority clear the syncable flag. We copy the provider before 6001 // changing it because the mProviders object contains a reference 6002 // to a provider that we don't want to change. 6003 // Only do this for the second authority since the resulting provider 6004 // object can be the same for all future authorities for this provider. 6005 p = new PackageParser.Provider(p); 6006 p.syncable = false; 6007 } 6008 if (!mProvidersByAuthority.containsKey(names[j])) { 6009 mProvidersByAuthority.put(names[j], p); 6010 if (p.info.authority == null) { 6011 p.info.authority = names[j]; 6012 } else { 6013 p.info.authority = p.info.authority + ";" + names[j]; 6014 } 6015 if (DEBUG_PACKAGE_SCANNING) { 6016 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6017 Log.d(TAG, "Registered content provider: " + names[j] 6018 + ", className = " + p.info.name + ", isSyncable = " 6019 + p.info.isSyncable); 6020 } 6021 } else { 6022 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6023 Slog.w(TAG, "Skipping provider name " + names[j] + 6024 " (in package " + pkg.applicationInfo.packageName + 6025 "): name already used by " 6026 + ((other != null && other.getComponentName() != null) 6027 ? other.getComponentName().getPackageName() : "?")); 6028 } 6029 } 6030 } 6031 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6032 if (r == null) { 6033 r = new StringBuilder(256); 6034 } else { 6035 r.append(' '); 6036 } 6037 r.append(p.info.name); 6038 } 6039 } 6040 if (r != null) { 6041 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6042 } 6043 6044 N = pkg.services.size(); 6045 r = null; 6046 for (i=0; i<N; i++) { 6047 PackageParser.Service s = pkg.services.get(i); 6048 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6049 s.info.processName, pkg.applicationInfo.uid); 6050 mServices.addService(s); 6051 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6052 if (r == null) { 6053 r = new StringBuilder(256); 6054 } else { 6055 r.append(' '); 6056 } 6057 r.append(s.info.name); 6058 } 6059 } 6060 if (r != null) { 6061 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6062 } 6063 6064 N = pkg.receivers.size(); 6065 r = null; 6066 for (i=0; i<N; i++) { 6067 PackageParser.Activity a = pkg.receivers.get(i); 6068 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6069 a.info.processName, pkg.applicationInfo.uid); 6070 mReceivers.addActivity(a, "receiver"); 6071 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6072 if (r == null) { 6073 r = new StringBuilder(256); 6074 } else { 6075 r.append(' '); 6076 } 6077 r.append(a.info.name); 6078 } 6079 } 6080 if (r != null) { 6081 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6082 } 6083 6084 N = pkg.activities.size(); 6085 r = null; 6086 for (i=0; i<N; i++) { 6087 PackageParser.Activity a = pkg.activities.get(i); 6088 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6089 a.info.processName, pkg.applicationInfo.uid); 6090 mActivities.addActivity(a, "activity"); 6091 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6092 if (r == null) { 6093 r = new StringBuilder(256); 6094 } else { 6095 r.append(' '); 6096 } 6097 r.append(a.info.name); 6098 } 6099 } 6100 if (r != null) { 6101 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6102 } 6103 6104 N = pkg.permissionGroups.size(); 6105 r = null; 6106 for (i=0; i<N; i++) { 6107 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6108 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6109 if (cur == null) { 6110 mPermissionGroups.put(pg.info.name, pg); 6111 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6112 if (r == null) { 6113 r = new StringBuilder(256); 6114 } else { 6115 r.append(' '); 6116 } 6117 r.append(pg.info.name); 6118 } 6119 } else { 6120 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6121 + pg.info.packageName + " ignored: original from " 6122 + cur.info.packageName); 6123 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6124 if (r == null) { 6125 r = new StringBuilder(256); 6126 } else { 6127 r.append(' '); 6128 } 6129 r.append("DUP:"); 6130 r.append(pg.info.name); 6131 } 6132 } 6133 } 6134 if (r != null) { 6135 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6136 } 6137 6138 N = pkg.permissions.size(); 6139 r = null; 6140 for (i=0; i<N; i++) { 6141 PackageParser.Permission p = pkg.permissions.get(i); 6142 HashMap<String, BasePermission> permissionMap = 6143 p.tree ? mSettings.mPermissionTrees 6144 : mSettings.mPermissions; 6145 p.group = mPermissionGroups.get(p.info.group); 6146 if (p.info.group == null || p.group != null) { 6147 BasePermission bp = permissionMap.get(p.info.name); 6148 6149 // Allow system apps to redefine non-system permissions 6150 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6151 final boolean currentOwnerIsSystem = (bp.perm != null 6152 && isSystemApp(bp.perm.owner)); 6153 if (isSystemApp(p.owner)) { 6154 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6155 // It's a built-in permission and no owner, take ownership now 6156 bp.packageSetting = pkgSetting; 6157 bp.perm = p; 6158 bp.uid = pkg.applicationInfo.uid; 6159 bp.sourcePackage = p.info.packageName; 6160 } else if (!currentOwnerIsSystem) { 6161 String msg = "New decl " + p.owner + " of permission " 6162 + p.info.name + " is system; overriding " + bp.sourcePackage; 6163 reportSettingsProblem(Log.WARN, msg); 6164 bp = null; 6165 } 6166 } 6167 } 6168 6169 if (bp == null) { 6170 bp = new BasePermission(p.info.name, p.info.packageName, 6171 BasePermission.TYPE_NORMAL); 6172 permissionMap.put(p.info.name, bp); 6173 } 6174 6175 if (bp.perm == null) { 6176 if (bp.sourcePackage == null 6177 || bp.sourcePackage.equals(p.info.packageName)) { 6178 BasePermission tree = findPermissionTreeLP(p.info.name); 6179 if (tree == null 6180 || tree.sourcePackage.equals(p.info.packageName)) { 6181 bp.packageSetting = pkgSetting; 6182 bp.perm = p; 6183 bp.uid = pkg.applicationInfo.uid; 6184 bp.sourcePackage = p.info.packageName; 6185 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6186 if (r == null) { 6187 r = new StringBuilder(256); 6188 } else { 6189 r.append(' '); 6190 } 6191 r.append(p.info.name); 6192 } 6193 } else { 6194 Slog.w(TAG, "Permission " + p.info.name + " from package " 6195 + p.info.packageName + " ignored: base tree " 6196 + tree.name + " is from package " 6197 + tree.sourcePackage); 6198 } 6199 } else { 6200 Slog.w(TAG, "Permission " + p.info.name + " from package " 6201 + p.info.packageName + " ignored: original from " 6202 + bp.sourcePackage); 6203 } 6204 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6205 if (r == null) { 6206 r = new StringBuilder(256); 6207 } else { 6208 r.append(' '); 6209 } 6210 r.append("DUP:"); 6211 r.append(p.info.name); 6212 } 6213 if (bp.perm == p) { 6214 bp.protectionLevel = p.info.protectionLevel; 6215 } 6216 } else { 6217 Slog.w(TAG, "Permission " + p.info.name + " from package " 6218 + p.info.packageName + " ignored: no group " 6219 + p.group); 6220 } 6221 } 6222 if (r != null) { 6223 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6224 } 6225 6226 N = pkg.instrumentation.size(); 6227 r = null; 6228 for (i=0; i<N; i++) { 6229 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6230 a.info.packageName = pkg.applicationInfo.packageName; 6231 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6232 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6233 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6234 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6235 a.info.dataDir = pkg.applicationInfo.dataDir; 6236 6237 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6238 // need other information about the application, like the ABI and what not ? 6239 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6240 mInstrumentation.put(a.getComponentName(), a); 6241 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6242 if (r == null) { 6243 r = new StringBuilder(256); 6244 } else { 6245 r.append(' '); 6246 } 6247 r.append(a.info.name); 6248 } 6249 } 6250 if (r != null) { 6251 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6252 } 6253 6254 if (pkg.protectedBroadcasts != null) { 6255 N = pkg.protectedBroadcasts.size(); 6256 for (i=0; i<N; i++) { 6257 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6258 } 6259 } 6260 6261 pkgSetting.setTimeStamp(scanFileTime); 6262 6263 // Create idmap files for pairs of (packages, overlay packages). 6264 // Note: "android", ie framework-res.apk, is handled by native layers. 6265 if (pkg.mOverlayTarget != null) { 6266 // This is an overlay package. 6267 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6268 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6269 mOverlays.put(pkg.mOverlayTarget, 6270 new HashMap<String, PackageParser.Package>()); 6271 } 6272 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6273 map.put(pkg.packageName, pkg); 6274 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6275 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6276 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6277 "scanPackageLI failed to createIdmap"); 6278 } 6279 } 6280 } else if (mOverlays.containsKey(pkg.packageName) && 6281 !pkg.packageName.equals("android")) { 6282 // This is a regular package, with one or more known overlay packages. 6283 createIdmapsForPackageLI(pkg); 6284 } 6285 } 6286 6287 return pkg; 6288 } 6289 6290 /** 6291 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6292 * i.e, so that all packages can be run inside a single process if required. 6293 * 6294 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6295 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6296 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6297 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6298 * updating a package that belongs to a shared user. 6299 * 6300 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6301 * adds unnecessary complexity. 6302 */ 6303 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6304 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6305 String requiredInstructionSet = null; 6306 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6307 requiredInstructionSet = VMRuntime.getInstructionSet( 6308 scannedPackage.applicationInfo.primaryCpuAbi); 6309 } 6310 6311 PackageSetting requirer = null; 6312 for (PackageSetting ps : packagesForUser) { 6313 // If packagesForUser contains scannedPackage, we skip it. This will happen 6314 // when scannedPackage is an update of an existing package. Without this check, 6315 // we will never be able to change the ABI of any package belonging to a shared 6316 // user, even if it's compatible with other packages. 6317 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6318 if (ps.primaryCpuAbiString == null) { 6319 continue; 6320 } 6321 6322 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6323 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6324 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6325 // this but there's not much we can do. 6326 String errorMessage = "Instruction set mismatch, " 6327 + ((requirer == null) ? "[caller]" : requirer) 6328 + " requires " + requiredInstructionSet + " whereas " + ps 6329 + " requires " + instructionSet; 6330 Slog.w(TAG, errorMessage); 6331 } 6332 6333 if (requiredInstructionSet == null) { 6334 requiredInstructionSet = instructionSet; 6335 requirer = ps; 6336 } 6337 } 6338 } 6339 6340 if (requiredInstructionSet != null) { 6341 String adjustedAbi; 6342 if (requirer != null) { 6343 // requirer != null implies that either scannedPackage was null or that scannedPackage 6344 // did not require an ABI, in which case we have to adjust scannedPackage to match 6345 // the ABI of the set (which is the same as requirer's ABI) 6346 adjustedAbi = requirer.primaryCpuAbiString; 6347 if (scannedPackage != null) { 6348 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6349 } 6350 } else { 6351 // requirer == null implies that we're updating all ABIs in the set to 6352 // match scannedPackage. 6353 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6354 } 6355 6356 for (PackageSetting ps : packagesForUser) { 6357 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6358 if (ps.primaryCpuAbiString != null) { 6359 continue; 6360 } 6361 6362 ps.primaryCpuAbiString = adjustedAbi; 6363 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6364 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6365 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6366 6367 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6368 deferDexOpt, true) == DEX_OPT_FAILED) { 6369 ps.primaryCpuAbiString = null; 6370 ps.pkg.applicationInfo.primaryCpuAbi = null; 6371 return; 6372 } else { 6373 mInstaller.rmdex(ps.codePathString, 6374 getDexCodeInstructionSet(getPreferredInstructionSet())); 6375 } 6376 } 6377 } 6378 } 6379 } 6380 } 6381 6382 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6383 synchronized (mPackages) { 6384 mResolverReplaced = true; 6385 // Set up information for custom user intent resolution activity. 6386 mResolveActivity.applicationInfo = pkg.applicationInfo; 6387 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6388 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6389 mResolveActivity.processName = null; 6390 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6391 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6392 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6393 mResolveActivity.theme = 0; 6394 mResolveActivity.exported = true; 6395 mResolveActivity.enabled = true; 6396 mResolveInfo.activityInfo = mResolveActivity; 6397 mResolveInfo.priority = 0; 6398 mResolveInfo.preferredOrder = 0; 6399 mResolveInfo.match = 0; 6400 mResolveComponentName = mCustomResolverComponentName; 6401 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6402 mResolveComponentName); 6403 } 6404 } 6405 6406 private static String calculateBundledApkRoot(final String codePathString) { 6407 final File codePath = new File(codePathString); 6408 final File codeRoot; 6409 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6410 codeRoot = Environment.getRootDirectory(); 6411 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6412 codeRoot = Environment.getOemDirectory(); 6413 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6414 codeRoot = Environment.getVendorDirectory(); 6415 } else { 6416 // Unrecognized code path; take its top real segment as the apk root: 6417 // e.g. /something/app/blah.apk => /something 6418 try { 6419 File f = codePath.getCanonicalFile(); 6420 File parent = f.getParentFile(); // non-null because codePath is a file 6421 File tmp; 6422 while ((tmp = parent.getParentFile()) != null) { 6423 f = parent; 6424 parent = tmp; 6425 } 6426 codeRoot = f; 6427 Slog.w(TAG, "Unrecognized code path " 6428 + codePath + " - using " + codeRoot); 6429 } catch (IOException e) { 6430 // Can't canonicalize the code path -- shenanigans? 6431 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6432 return Environment.getRootDirectory().getPath(); 6433 } 6434 } 6435 return codeRoot.getPath(); 6436 } 6437 6438 /** 6439 * Derive and set the location of native libraries for the given package, 6440 * which varies depending on where and how the package was installed. 6441 */ 6442 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6443 final ApplicationInfo info = pkg.applicationInfo; 6444 final String codePath = pkg.codePath; 6445 final File codeFile = new File(codePath); 6446 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6447 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6448 6449 info.nativeLibraryRootDir = null; 6450 info.nativeLibraryRootRequiresIsa = false; 6451 info.nativeLibraryDir = null; 6452 info.secondaryNativeLibraryDir = null; 6453 6454 if (isApkFile(codeFile)) { 6455 // Monolithic install 6456 if (bundledApp) { 6457 // If "/system/lib64/apkname" exists, assume that is the per-package 6458 // native library directory to use; otherwise use "/system/lib/apkname". 6459 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6460 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6461 getPrimaryInstructionSet(info)); 6462 6463 // This is a bundled system app so choose the path based on the ABI. 6464 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6465 // is just the default path. 6466 final String apkName = deriveCodePathName(codePath); 6467 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6468 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6469 apkName).getAbsolutePath(); 6470 6471 if (info.secondaryCpuAbi != null) { 6472 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6473 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6474 secondaryLibDir, apkName).getAbsolutePath(); 6475 } 6476 } else if (asecApp) { 6477 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6478 .getAbsolutePath(); 6479 } else { 6480 final String apkName = deriveCodePathName(codePath); 6481 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6482 .getAbsolutePath(); 6483 } 6484 6485 info.nativeLibraryRootRequiresIsa = false; 6486 info.nativeLibraryDir = info.nativeLibraryRootDir; 6487 } else { 6488 // Cluster install 6489 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6490 info.nativeLibraryRootRequiresIsa = true; 6491 6492 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6493 getPrimaryInstructionSet(info)).getAbsolutePath(); 6494 6495 if (info.secondaryCpuAbi != null) { 6496 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6497 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6498 } 6499 } 6500 } 6501 6502 /** 6503 * Calculate the abis and roots for a bundled app. These can uniquely 6504 * be determined from the contents of the system partition, i.e whether 6505 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6506 * of this information, and instead assume that the system was built 6507 * sensibly. 6508 */ 6509 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6510 PackageSetting pkgSetting) { 6511 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6512 6513 // If "/system/lib64/apkname" exists, assume that is the per-package 6514 // native library directory to use; otherwise use "/system/lib/apkname". 6515 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6516 setBundledAppAbi(pkg, apkRoot, apkName); 6517 // pkgSetting might be null during rescan following uninstall of updates 6518 // to a bundled app, so accommodate that possibility. The settings in 6519 // that case will be established later from the parsed package. 6520 // 6521 // If the settings aren't null, sync them up with what we've just derived. 6522 // note that apkRoot isn't stored in the package settings. 6523 if (pkgSetting != null) { 6524 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6525 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6526 } 6527 } 6528 6529 /** 6530 * Deduces the ABI of a bundled app and sets the relevant fields on the 6531 * parsed pkg object. 6532 * 6533 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6534 * under which system libraries are installed. 6535 * @param apkName the name of the installed package. 6536 */ 6537 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6538 final File codeFile = new File(pkg.codePath); 6539 6540 final boolean has64BitLibs; 6541 final boolean has32BitLibs; 6542 if (isApkFile(codeFile)) { 6543 // Monolithic install 6544 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6545 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6546 } else { 6547 // Cluster install 6548 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6549 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6550 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6551 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6552 has64BitLibs = (new File(rootDir, isa)).exists(); 6553 } else { 6554 has64BitLibs = false; 6555 } 6556 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6557 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6558 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6559 has32BitLibs = (new File(rootDir, isa)).exists(); 6560 } else { 6561 has32BitLibs = false; 6562 } 6563 } 6564 6565 if (has64BitLibs && !has32BitLibs) { 6566 // The package has 64 bit libs, but not 32 bit libs. Its primary 6567 // ABI should be 64 bit. We can safely assume here that the bundled 6568 // native libraries correspond to the most preferred ABI in the list. 6569 6570 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6571 pkg.applicationInfo.secondaryCpuAbi = null; 6572 } else if (has32BitLibs && !has64BitLibs) { 6573 // The package has 32 bit libs but not 64 bit libs. Its primary 6574 // ABI should be 32 bit. 6575 6576 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6577 pkg.applicationInfo.secondaryCpuAbi = null; 6578 } else if (has32BitLibs && has64BitLibs) { 6579 // The application has both 64 and 32 bit bundled libraries. We check 6580 // here that the app declares multiArch support, and warn if it doesn't. 6581 // 6582 // We will be lenient here and record both ABIs. The primary will be the 6583 // ABI that's higher on the list, i.e, a device that's configured to prefer 6584 // 64 bit apps will see a 64 bit primary ABI, 6585 6586 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6587 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6588 } 6589 6590 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6591 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6592 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6593 } else { 6594 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6595 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6596 } 6597 } else { 6598 pkg.applicationInfo.primaryCpuAbi = null; 6599 pkg.applicationInfo.secondaryCpuAbi = null; 6600 } 6601 } 6602 6603 private void killApplication(String pkgName, int appId, String reason) { 6604 // Request the ActivityManager to kill the process(only for existing packages) 6605 // so that we do not end up in a confused state while the user is still using the older 6606 // version of the application while the new one gets installed. 6607 IActivityManager am = ActivityManagerNative.getDefault(); 6608 if (am != null) { 6609 try { 6610 am.killApplicationWithAppId(pkgName, appId, reason); 6611 } catch (RemoteException e) { 6612 } 6613 } 6614 } 6615 6616 void removePackageLI(PackageSetting ps, boolean chatty) { 6617 if (DEBUG_INSTALL) { 6618 if (chatty) 6619 Log.d(TAG, "Removing package " + ps.name); 6620 } 6621 6622 // writer 6623 synchronized (mPackages) { 6624 mPackages.remove(ps.name); 6625 final PackageParser.Package pkg = ps.pkg; 6626 if (pkg != null) { 6627 cleanPackageDataStructuresLILPw(pkg, chatty); 6628 } 6629 } 6630 } 6631 6632 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6633 if (DEBUG_INSTALL) { 6634 if (chatty) 6635 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6636 } 6637 6638 // writer 6639 synchronized (mPackages) { 6640 mPackages.remove(pkg.applicationInfo.packageName); 6641 cleanPackageDataStructuresLILPw(pkg, chatty); 6642 } 6643 } 6644 6645 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6646 int N = pkg.providers.size(); 6647 StringBuilder r = null; 6648 int i; 6649 for (i=0; i<N; i++) { 6650 PackageParser.Provider p = pkg.providers.get(i); 6651 mProviders.removeProvider(p); 6652 if (p.info.authority == null) { 6653 6654 /* There was another ContentProvider with this authority when 6655 * this app was installed so this authority is null, 6656 * Ignore it as we don't have to unregister the provider. 6657 */ 6658 continue; 6659 } 6660 String names[] = p.info.authority.split(";"); 6661 for (int j = 0; j < names.length; j++) { 6662 if (mProvidersByAuthority.get(names[j]) == p) { 6663 mProvidersByAuthority.remove(names[j]); 6664 if (DEBUG_REMOVE) { 6665 if (chatty) 6666 Log.d(TAG, "Unregistered content provider: " + names[j] 6667 + ", className = " + p.info.name + ", isSyncable = " 6668 + p.info.isSyncable); 6669 } 6670 } 6671 } 6672 if (DEBUG_REMOVE && chatty) { 6673 if (r == null) { 6674 r = new StringBuilder(256); 6675 } else { 6676 r.append(' '); 6677 } 6678 r.append(p.info.name); 6679 } 6680 } 6681 if (r != null) { 6682 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6683 } 6684 6685 N = pkg.services.size(); 6686 r = null; 6687 for (i=0; i<N; i++) { 6688 PackageParser.Service s = pkg.services.get(i); 6689 mServices.removeService(s); 6690 if (chatty) { 6691 if (r == null) { 6692 r = new StringBuilder(256); 6693 } else { 6694 r.append(' '); 6695 } 6696 r.append(s.info.name); 6697 } 6698 } 6699 if (r != null) { 6700 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6701 } 6702 6703 N = pkg.receivers.size(); 6704 r = null; 6705 for (i=0; i<N; i++) { 6706 PackageParser.Activity a = pkg.receivers.get(i); 6707 mReceivers.removeActivity(a, "receiver"); 6708 if (DEBUG_REMOVE && chatty) { 6709 if (r == null) { 6710 r = new StringBuilder(256); 6711 } else { 6712 r.append(' '); 6713 } 6714 r.append(a.info.name); 6715 } 6716 } 6717 if (r != null) { 6718 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6719 } 6720 6721 N = pkg.activities.size(); 6722 r = null; 6723 for (i=0; i<N; i++) { 6724 PackageParser.Activity a = pkg.activities.get(i); 6725 mActivities.removeActivity(a, "activity"); 6726 if (DEBUG_REMOVE && chatty) { 6727 if (r == null) { 6728 r = new StringBuilder(256); 6729 } else { 6730 r.append(' '); 6731 } 6732 r.append(a.info.name); 6733 } 6734 } 6735 if (r != null) { 6736 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6737 } 6738 6739 N = pkg.permissions.size(); 6740 r = null; 6741 for (i=0; i<N; i++) { 6742 PackageParser.Permission p = pkg.permissions.get(i); 6743 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6744 if (bp == null) { 6745 bp = mSettings.mPermissionTrees.get(p.info.name); 6746 } 6747 if (bp != null && bp.perm == p) { 6748 bp.perm = null; 6749 if (DEBUG_REMOVE && chatty) { 6750 if (r == null) { 6751 r = new StringBuilder(256); 6752 } else { 6753 r.append(' '); 6754 } 6755 r.append(p.info.name); 6756 } 6757 } 6758 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6759 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6760 if (appOpPerms != null) { 6761 appOpPerms.remove(pkg.packageName); 6762 } 6763 } 6764 } 6765 if (r != null) { 6766 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6767 } 6768 6769 N = pkg.requestedPermissions.size(); 6770 r = null; 6771 for (i=0; i<N; i++) { 6772 String perm = pkg.requestedPermissions.get(i); 6773 BasePermission bp = mSettings.mPermissions.get(perm); 6774 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6775 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6776 if (appOpPerms != null) { 6777 appOpPerms.remove(pkg.packageName); 6778 if (appOpPerms.isEmpty()) { 6779 mAppOpPermissionPackages.remove(perm); 6780 } 6781 } 6782 } 6783 } 6784 if (r != null) { 6785 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6786 } 6787 6788 N = pkg.instrumentation.size(); 6789 r = null; 6790 for (i=0; i<N; i++) { 6791 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6792 mInstrumentation.remove(a.getComponentName()); 6793 if (DEBUG_REMOVE && chatty) { 6794 if (r == null) { 6795 r = new StringBuilder(256); 6796 } else { 6797 r.append(' '); 6798 } 6799 r.append(a.info.name); 6800 } 6801 } 6802 if (r != null) { 6803 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6804 } 6805 6806 r = null; 6807 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6808 // Only system apps can hold shared libraries. 6809 if (pkg.libraryNames != null) { 6810 for (i=0; i<pkg.libraryNames.size(); i++) { 6811 String name = pkg.libraryNames.get(i); 6812 SharedLibraryEntry cur = mSharedLibraries.get(name); 6813 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6814 mSharedLibraries.remove(name); 6815 if (DEBUG_REMOVE && chatty) { 6816 if (r == null) { 6817 r = new StringBuilder(256); 6818 } else { 6819 r.append(' '); 6820 } 6821 r.append(name); 6822 } 6823 } 6824 } 6825 } 6826 } 6827 if (r != null) { 6828 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6829 } 6830 } 6831 6832 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6833 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6834 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6835 return true; 6836 } 6837 } 6838 return false; 6839 } 6840 6841 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6842 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6843 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6844 6845 private void updatePermissionsLPw(String changingPkg, 6846 PackageParser.Package pkgInfo, int flags) { 6847 // Make sure there are no dangling permission trees. 6848 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6849 while (it.hasNext()) { 6850 final BasePermission bp = it.next(); 6851 if (bp.packageSetting == null) { 6852 // We may not yet have parsed the package, so just see if 6853 // we still know about its settings. 6854 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6855 } 6856 if (bp.packageSetting == null) { 6857 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6858 + " from package " + bp.sourcePackage); 6859 it.remove(); 6860 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6861 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6862 Slog.i(TAG, "Removing old permission tree: " + bp.name 6863 + " from package " + bp.sourcePackage); 6864 flags |= UPDATE_PERMISSIONS_ALL; 6865 it.remove(); 6866 } 6867 } 6868 } 6869 6870 // Make sure all dynamic permissions have been assigned to a package, 6871 // and make sure there are no dangling permissions. 6872 it = mSettings.mPermissions.values().iterator(); 6873 while (it.hasNext()) { 6874 final BasePermission bp = it.next(); 6875 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6876 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6877 + bp.name + " pkg=" + bp.sourcePackage 6878 + " info=" + bp.pendingInfo); 6879 if (bp.packageSetting == null && bp.pendingInfo != null) { 6880 final BasePermission tree = findPermissionTreeLP(bp.name); 6881 if (tree != null && tree.perm != null) { 6882 bp.packageSetting = tree.packageSetting; 6883 bp.perm = new PackageParser.Permission(tree.perm.owner, 6884 new PermissionInfo(bp.pendingInfo)); 6885 bp.perm.info.packageName = tree.perm.info.packageName; 6886 bp.perm.info.name = bp.name; 6887 bp.uid = tree.uid; 6888 } 6889 } 6890 } 6891 if (bp.packageSetting == null) { 6892 // We may not yet have parsed the package, so just see if 6893 // we still know about its settings. 6894 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6895 } 6896 if (bp.packageSetting == null) { 6897 Slog.w(TAG, "Removing dangling permission: " + bp.name 6898 + " from package " + bp.sourcePackage); 6899 it.remove(); 6900 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6901 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6902 Slog.i(TAG, "Removing old permission: " + bp.name 6903 + " from package " + bp.sourcePackage); 6904 flags |= UPDATE_PERMISSIONS_ALL; 6905 it.remove(); 6906 } 6907 } 6908 } 6909 6910 // Now update the permissions for all packages, in particular 6911 // replace the granted permissions of the system packages. 6912 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6913 for (PackageParser.Package pkg : mPackages.values()) { 6914 if (pkg != pkgInfo) { 6915 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6916 changingPkg); 6917 } 6918 } 6919 } 6920 6921 if (pkgInfo != null) { 6922 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6923 } 6924 } 6925 6926 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6927 String packageOfInterest) { 6928 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6929 if (ps == null) { 6930 return; 6931 } 6932 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6933 HashSet<String> origPermissions = gp.grantedPermissions; 6934 boolean changedPermission = false; 6935 6936 if (replace) { 6937 ps.permissionsFixed = false; 6938 if (gp == ps) { 6939 origPermissions = new HashSet<String>(gp.grantedPermissions); 6940 gp.grantedPermissions.clear(); 6941 gp.gids = mGlobalGids; 6942 } 6943 } 6944 6945 if (gp.gids == null) { 6946 gp.gids = mGlobalGids; 6947 } 6948 6949 final int N = pkg.requestedPermissions.size(); 6950 for (int i=0; i<N; i++) { 6951 final String name = pkg.requestedPermissions.get(i); 6952 final boolean required = pkg.requestedPermissionsRequired.get(i); 6953 final BasePermission bp = mSettings.mPermissions.get(name); 6954 if (DEBUG_INSTALL) { 6955 if (gp != ps) { 6956 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6957 } 6958 } 6959 6960 if (bp == null || bp.packageSetting == null) { 6961 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6962 Slog.w(TAG, "Unknown permission " + name 6963 + " in package " + pkg.packageName); 6964 } 6965 continue; 6966 } 6967 6968 final String perm = bp.name; 6969 boolean allowed; 6970 boolean allowedSig = false; 6971 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6972 // Keep track of app op permissions. 6973 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6974 if (pkgs == null) { 6975 pkgs = new ArraySet<>(); 6976 mAppOpPermissionPackages.put(bp.name, pkgs); 6977 } 6978 pkgs.add(pkg.packageName); 6979 } 6980 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6981 if (level == PermissionInfo.PROTECTION_NORMAL 6982 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6983 // We grant a normal or dangerous permission if any of the following 6984 // are true: 6985 // 1) The permission is required 6986 // 2) The permission is optional, but was granted in the past 6987 // 3) The permission is optional, but was requested by an 6988 // app in /system (not /data) 6989 // 6990 // Otherwise, reject the permission. 6991 allowed = (required || origPermissions.contains(perm) 6992 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6993 } else if (bp.packageSetting == null) { 6994 // This permission is invalid; skip it. 6995 allowed = false; 6996 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6997 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6998 if (allowed) { 6999 allowedSig = true; 7000 } 7001 } else { 7002 allowed = false; 7003 } 7004 if (DEBUG_INSTALL) { 7005 if (gp != ps) { 7006 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7007 } 7008 } 7009 if (allowed) { 7010 if (!isSystemApp(ps) && ps.permissionsFixed) { 7011 // If this is an existing, non-system package, then 7012 // we can't add any new permissions to it. 7013 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7014 // Except... if this is a permission that was added 7015 // to the platform (note: need to only do this when 7016 // updating the platform). 7017 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7018 } 7019 } 7020 if (allowed) { 7021 if (!gp.grantedPermissions.contains(perm)) { 7022 changedPermission = true; 7023 gp.grantedPermissions.add(perm); 7024 gp.gids = appendInts(gp.gids, bp.gids); 7025 } else if (!ps.haveGids) { 7026 gp.gids = appendInts(gp.gids, bp.gids); 7027 } 7028 } else { 7029 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7030 Slog.w(TAG, "Not granting permission " + perm 7031 + " to package " + pkg.packageName 7032 + " because it was previously installed without"); 7033 } 7034 } 7035 } else { 7036 if (gp.grantedPermissions.remove(perm)) { 7037 changedPermission = true; 7038 gp.gids = removeInts(gp.gids, bp.gids); 7039 Slog.i(TAG, "Un-granting permission " + perm 7040 + " from package " + pkg.packageName 7041 + " (protectionLevel=" + bp.protectionLevel 7042 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7043 + ")"); 7044 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7045 // Don't print warning for app op permissions, since it is fine for them 7046 // not to be granted, there is a UI for the user to decide. 7047 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7048 Slog.w(TAG, "Not granting permission " + perm 7049 + " to package " + pkg.packageName 7050 + " (protectionLevel=" + bp.protectionLevel 7051 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7052 + ")"); 7053 } 7054 } 7055 } 7056 } 7057 7058 if ((changedPermission || replace) && !ps.permissionsFixed && 7059 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7060 // This is the first that we have heard about this package, so the 7061 // permissions we have now selected are fixed until explicitly 7062 // changed. 7063 ps.permissionsFixed = true; 7064 } 7065 ps.haveGids = true; 7066 } 7067 7068 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7069 boolean allowed = false; 7070 final int NP = PackageParser.NEW_PERMISSIONS.length; 7071 for (int ip=0; ip<NP; ip++) { 7072 final PackageParser.NewPermissionInfo npi 7073 = PackageParser.NEW_PERMISSIONS[ip]; 7074 if (npi.name.equals(perm) 7075 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7076 allowed = true; 7077 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7078 + pkg.packageName); 7079 break; 7080 } 7081 } 7082 return allowed; 7083 } 7084 7085 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7086 BasePermission bp, HashSet<String> origPermissions) { 7087 boolean allowed; 7088 allowed = (compareSignatures( 7089 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7090 == PackageManager.SIGNATURE_MATCH) 7091 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7092 == PackageManager.SIGNATURE_MATCH); 7093 if (!allowed && (bp.protectionLevel 7094 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7095 if (isSystemApp(pkg)) { 7096 // For updated system applications, a system permission 7097 // is granted only if it had been defined by the original application. 7098 if (isUpdatedSystemApp(pkg)) { 7099 final PackageSetting sysPs = mSettings 7100 .getDisabledSystemPkgLPr(pkg.packageName); 7101 final GrantedPermissions origGp = sysPs.sharedUser != null 7102 ? sysPs.sharedUser : sysPs; 7103 7104 if (origGp.grantedPermissions.contains(perm)) { 7105 // If the original was granted this permission, we take 7106 // that grant decision as read and propagate it to the 7107 // update. 7108 allowed = true; 7109 } else { 7110 // The system apk may have been updated with an older 7111 // version of the one on the data partition, but which 7112 // granted a new system permission that it didn't have 7113 // before. In this case we do want to allow the app to 7114 // now get the new permission if the ancestral apk is 7115 // privileged to get it. 7116 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7117 for (int j=0; 7118 j<sysPs.pkg.requestedPermissions.size(); j++) { 7119 if (perm.equals( 7120 sysPs.pkg.requestedPermissions.get(j))) { 7121 allowed = true; 7122 break; 7123 } 7124 } 7125 } 7126 } 7127 } else { 7128 allowed = isPrivilegedApp(pkg); 7129 } 7130 } 7131 } 7132 if (!allowed && (bp.protectionLevel 7133 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7134 // For development permissions, a development permission 7135 // is granted only if it was already granted. 7136 allowed = origPermissions.contains(perm); 7137 } 7138 return allowed; 7139 } 7140 7141 final class ActivityIntentResolver 7142 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7143 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7144 boolean defaultOnly, int userId) { 7145 if (!sUserManager.exists(userId)) return null; 7146 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7147 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7148 } 7149 7150 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7151 int userId) { 7152 if (!sUserManager.exists(userId)) return null; 7153 mFlags = flags; 7154 return super.queryIntent(intent, resolvedType, 7155 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7156 } 7157 7158 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7159 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7160 if (!sUserManager.exists(userId)) return null; 7161 if (packageActivities == null) { 7162 return null; 7163 } 7164 mFlags = flags; 7165 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7166 final int N = packageActivities.size(); 7167 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7168 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7169 7170 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7171 for (int i = 0; i < N; ++i) { 7172 intentFilters = packageActivities.get(i).intents; 7173 if (intentFilters != null && intentFilters.size() > 0) { 7174 PackageParser.ActivityIntentInfo[] array = 7175 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7176 intentFilters.toArray(array); 7177 listCut.add(array); 7178 } 7179 } 7180 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7181 } 7182 7183 public final void addActivity(PackageParser.Activity a, String type) { 7184 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7185 mActivities.put(a.getComponentName(), a); 7186 if (DEBUG_SHOW_INFO) 7187 Log.v( 7188 TAG, " " + type + " " + 7189 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7190 if (DEBUG_SHOW_INFO) 7191 Log.v(TAG, " Class=" + a.info.name); 7192 final int NI = a.intents.size(); 7193 for (int j=0; j<NI; j++) { 7194 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7195 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7196 intent.setPriority(0); 7197 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7198 + a.className + " with priority > 0, forcing to 0"); 7199 } 7200 if (DEBUG_SHOW_INFO) { 7201 Log.v(TAG, " IntentFilter:"); 7202 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7203 } 7204 if (!intent.debugCheck()) { 7205 Log.w(TAG, "==> For Activity " + a.info.name); 7206 } 7207 addFilter(intent); 7208 } 7209 } 7210 7211 public final void removeActivity(PackageParser.Activity a, String type) { 7212 mActivities.remove(a.getComponentName()); 7213 if (DEBUG_SHOW_INFO) { 7214 Log.v(TAG, " " + type + " " 7215 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7216 : a.info.name) + ":"); 7217 Log.v(TAG, " Class=" + a.info.name); 7218 } 7219 final int NI = a.intents.size(); 7220 for (int j=0; j<NI; j++) { 7221 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7222 if (DEBUG_SHOW_INFO) { 7223 Log.v(TAG, " IntentFilter:"); 7224 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7225 } 7226 removeFilter(intent); 7227 } 7228 } 7229 7230 @Override 7231 protected boolean allowFilterResult( 7232 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7233 ActivityInfo filterAi = filter.activity.info; 7234 for (int i=dest.size()-1; i>=0; i--) { 7235 ActivityInfo destAi = dest.get(i).activityInfo; 7236 if (destAi.name == filterAi.name 7237 && destAi.packageName == filterAi.packageName) { 7238 return false; 7239 } 7240 } 7241 return true; 7242 } 7243 7244 @Override 7245 protected ActivityIntentInfo[] newArray(int size) { 7246 return new ActivityIntentInfo[size]; 7247 } 7248 7249 @Override 7250 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7251 if (!sUserManager.exists(userId)) return true; 7252 PackageParser.Package p = filter.activity.owner; 7253 if (p != null) { 7254 PackageSetting ps = (PackageSetting)p.mExtras; 7255 if (ps != null) { 7256 // System apps are never considered stopped for purposes of 7257 // filtering, because there may be no way for the user to 7258 // actually re-launch them. 7259 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7260 && ps.getStopped(userId); 7261 } 7262 } 7263 return false; 7264 } 7265 7266 @Override 7267 protected boolean isPackageForFilter(String packageName, 7268 PackageParser.ActivityIntentInfo info) { 7269 return packageName.equals(info.activity.owner.packageName); 7270 } 7271 7272 @Override 7273 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7274 int match, int userId) { 7275 if (!sUserManager.exists(userId)) return null; 7276 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7277 return null; 7278 } 7279 final PackageParser.Activity activity = info.activity; 7280 if (mSafeMode && (activity.info.applicationInfo.flags 7281 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7282 return null; 7283 } 7284 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7285 if (ps == null) { 7286 return null; 7287 } 7288 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7289 ps.readUserState(userId), userId); 7290 if (ai == null) { 7291 return null; 7292 } 7293 final ResolveInfo res = new ResolveInfo(); 7294 res.activityInfo = ai; 7295 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7296 res.filter = info; 7297 } 7298 res.priority = info.getPriority(); 7299 res.preferredOrder = activity.owner.mPreferredOrder; 7300 //System.out.println("Result: " + res.activityInfo.className + 7301 // " = " + res.priority); 7302 res.match = match; 7303 res.isDefault = info.hasDefault; 7304 res.labelRes = info.labelRes; 7305 res.nonLocalizedLabel = info.nonLocalizedLabel; 7306 if (userNeedsBadging(userId)) { 7307 res.noResourceId = true; 7308 } else { 7309 res.icon = info.icon; 7310 } 7311 res.system = isSystemApp(res.activityInfo.applicationInfo); 7312 return res; 7313 } 7314 7315 @Override 7316 protected void sortResults(List<ResolveInfo> results) { 7317 Collections.sort(results, mResolvePrioritySorter); 7318 } 7319 7320 @Override 7321 protected void dumpFilter(PrintWriter out, String prefix, 7322 PackageParser.ActivityIntentInfo filter) { 7323 out.print(prefix); out.print( 7324 Integer.toHexString(System.identityHashCode(filter.activity))); 7325 out.print(' '); 7326 filter.activity.printComponentShortName(out); 7327 out.print(" filter "); 7328 out.println(Integer.toHexString(System.identityHashCode(filter))); 7329 } 7330 7331// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7332// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7333// final List<ResolveInfo> retList = Lists.newArrayList(); 7334// while (i.hasNext()) { 7335// final ResolveInfo resolveInfo = i.next(); 7336// if (isEnabledLP(resolveInfo.activityInfo)) { 7337// retList.add(resolveInfo); 7338// } 7339// } 7340// return retList; 7341// } 7342 7343 // Keys are String (activity class name), values are Activity. 7344 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7345 = new HashMap<ComponentName, PackageParser.Activity>(); 7346 private int mFlags; 7347 } 7348 7349 private final class ServiceIntentResolver 7350 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7351 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7352 boolean defaultOnly, int userId) { 7353 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7354 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7355 } 7356 7357 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7358 int userId) { 7359 if (!sUserManager.exists(userId)) return null; 7360 mFlags = flags; 7361 return super.queryIntent(intent, resolvedType, 7362 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7363 } 7364 7365 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7366 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7367 if (!sUserManager.exists(userId)) return null; 7368 if (packageServices == null) { 7369 return null; 7370 } 7371 mFlags = flags; 7372 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7373 final int N = packageServices.size(); 7374 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7375 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7376 7377 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7378 for (int i = 0; i < N; ++i) { 7379 intentFilters = packageServices.get(i).intents; 7380 if (intentFilters != null && intentFilters.size() > 0) { 7381 PackageParser.ServiceIntentInfo[] array = 7382 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7383 intentFilters.toArray(array); 7384 listCut.add(array); 7385 } 7386 } 7387 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7388 } 7389 7390 public final void addService(PackageParser.Service s) { 7391 mServices.put(s.getComponentName(), s); 7392 if (DEBUG_SHOW_INFO) { 7393 Log.v(TAG, " " 7394 + (s.info.nonLocalizedLabel != null 7395 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7396 Log.v(TAG, " Class=" + s.info.name); 7397 } 7398 final int NI = s.intents.size(); 7399 int j; 7400 for (j=0; j<NI; j++) { 7401 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7402 if (DEBUG_SHOW_INFO) { 7403 Log.v(TAG, " IntentFilter:"); 7404 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7405 } 7406 if (!intent.debugCheck()) { 7407 Log.w(TAG, "==> For Service " + s.info.name); 7408 } 7409 addFilter(intent); 7410 } 7411 } 7412 7413 public final void removeService(PackageParser.Service s) { 7414 mServices.remove(s.getComponentName()); 7415 if (DEBUG_SHOW_INFO) { 7416 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7417 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7418 Log.v(TAG, " Class=" + s.info.name); 7419 } 7420 final int NI = s.intents.size(); 7421 int j; 7422 for (j=0; j<NI; j++) { 7423 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7424 if (DEBUG_SHOW_INFO) { 7425 Log.v(TAG, " IntentFilter:"); 7426 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7427 } 7428 removeFilter(intent); 7429 } 7430 } 7431 7432 @Override 7433 protected boolean allowFilterResult( 7434 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7435 ServiceInfo filterSi = filter.service.info; 7436 for (int i=dest.size()-1; i>=0; i--) { 7437 ServiceInfo destAi = dest.get(i).serviceInfo; 7438 if (destAi.name == filterSi.name 7439 && destAi.packageName == filterSi.packageName) { 7440 return false; 7441 } 7442 } 7443 return true; 7444 } 7445 7446 @Override 7447 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7448 return new PackageParser.ServiceIntentInfo[size]; 7449 } 7450 7451 @Override 7452 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7453 if (!sUserManager.exists(userId)) return true; 7454 PackageParser.Package p = filter.service.owner; 7455 if (p != null) { 7456 PackageSetting ps = (PackageSetting)p.mExtras; 7457 if (ps != null) { 7458 // System apps are never considered stopped for purposes of 7459 // filtering, because there may be no way for the user to 7460 // actually re-launch them. 7461 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7462 && ps.getStopped(userId); 7463 } 7464 } 7465 return false; 7466 } 7467 7468 @Override 7469 protected boolean isPackageForFilter(String packageName, 7470 PackageParser.ServiceIntentInfo info) { 7471 return packageName.equals(info.service.owner.packageName); 7472 } 7473 7474 @Override 7475 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7476 int match, int userId) { 7477 if (!sUserManager.exists(userId)) return null; 7478 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7479 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7480 return null; 7481 } 7482 final PackageParser.Service service = info.service; 7483 if (mSafeMode && (service.info.applicationInfo.flags 7484 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7485 return null; 7486 } 7487 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7488 if (ps == null) { 7489 return null; 7490 } 7491 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7492 ps.readUserState(userId), userId); 7493 if (si == null) { 7494 return null; 7495 } 7496 final ResolveInfo res = new ResolveInfo(); 7497 res.serviceInfo = si; 7498 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7499 res.filter = filter; 7500 } 7501 res.priority = info.getPriority(); 7502 res.preferredOrder = service.owner.mPreferredOrder; 7503 //System.out.println("Result: " + res.activityInfo.className + 7504 // " = " + res.priority); 7505 res.match = match; 7506 res.isDefault = info.hasDefault; 7507 res.labelRes = info.labelRes; 7508 res.nonLocalizedLabel = info.nonLocalizedLabel; 7509 res.icon = info.icon; 7510 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7511 return res; 7512 } 7513 7514 @Override 7515 protected void sortResults(List<ResolveInfo> results) { 7516 Collections.sort(results, mResolvePrioritySorter); 7517 } 7518 7519 @Override 7520 protected void dumpFilter(PrintWriter out, String prefix, 7521 PackageParser.ServiceIntentInfo filter) { 7522 out.print(prefix); out.print( 7523 Integer.toHexString(System.identityHashCode(filter.service))); 7524 out.print(' '); 7525 filter.service.printComponentShortName(out); 7526 out.print(" filter "); 7527 out.println(Integer.toHexString(System.identityHashCode(filter))); 7528 } 7529 7530// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7531// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7532// final List<ResolveInfo> retList = Lists.newArrayList(); 7533// while (i.hasNext()) { 7534// final ResolveInfo resolveInfo = (ResolveInfo) i; 7535// if (isEnabledLP(resolveInfo.serviceInfo)) { 7536// retList.add(resolveInfo); 7537// } 7538// } 7539// return retList; 7540// } 7541 7542 // Keys are String (activity class name), values are Activity. 7543 private final HashMap<ComponentName, PackageParser.Service> mServices 7544 = new HashMap<ComponentName, PackageParser.Service>(); 7545 private int mFlags; 7546 }; 7547 7548 private final class ProviderIntentResolver 7549 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7550 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7551 boolean defaultOnly, int userId) { 7552 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7553 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7554 } 7555 7556 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7557 int userId) { 7558 if (!sUserManager.exists(userId)) 7559 return null; 7560 mFlags = flags; 7561 return super.queryIntent(intent, resolvedType, 7562 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7563 } 7564 7565 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7566 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7567 if (!sUserManager.exists(userId)) 7568 return null; 7569 if (packageProviders == null) { 7570 return null; 7571 } 7572 mFlags = flags; 7573 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7574 final int N = packageProviders.size(); 7575 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7576 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7577 7578 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7579 for (int i = 0; i < N; ++i) { 7580 intentFilters = packageProviders.get(i).intents; 7581 if (intentFilters != null && intentFilters.size() > 0) { 7582 PackageParser.ProviderIntentInfo[] array = 7583 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7584 intentFilters.toArray(array); 7585 listCut.add(array); 7586 } 7587 } 7588 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7589 } 7590 7591 public final void addProvider(PackageParser.Provider p) { 7592 if (mProviders.containsKey(p.getComponentName())) { 7593 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7594 return; 7595 } 7596 7597 mProviders.put(p.getComponentName(), p); 7598 if (DEBUG_SHOW_INFO) { 7599 Log.v(TAG, " " 7600 + (p.info.nonLocalizedLabel != null 7601 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7602 Log.v(TAG, " Class=" + p.info.name); 7603 } 7604 final int NI = p.intents.size(); 7605 int j; 7606 for (j = 0; j < NI; j++) { 7607 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7608 if (DEBUG_SHOW_INFO) { 7609 Log.v(TAG, " IntentFilter:"); 7610 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7611 } 7612 if (!intent.debugCheck()) { 7613 Log.w(TAG, "==> For Provider " + p.info.name); 7614 } 7615 addFilter(intent); 7616 } 7617 } 7618 7619 public final void removeProvider(PackageParser.Provider p) { 7620 mProviders.remove(p.getComponentName()); 7621 if (DEBUG_SHOW_INFO) { 7622 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7623 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7624 Log.v(TAG, " Class=" + p.info.name); 7625 } 7626 final int NI = p.intents.size(); 7627 int j; 7628 for (j = 0; j < NI; j++) { 7629 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7630 if (DEBUG_SHOW_INFO) { 7631 Log.v(TAG, " IntentFilter:"); 7632 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7633 } 7634 removeFilter(intent); 7635 } 7636 } 7637 7638 @Override 7639 protected boolean allowFilterResult( 7640 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7641 ProviderInfo filterPi = filter.provider.info; 7642 for (int i = dest.size() - 1; i >= 0; i--) { 7643 ProviderInfo destPi = dest.get(i).providerInfo; 7644 if (destPi.name == filterPi.name 7645 && destPi.packageName == filterPi.packageName) { 7646 return false; 7647 } 7648 } 7649 return true; 7650 } 7651 7652 @Override 7653 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7654 return new PackageParser.ProviderIntentInfo[size]; 7655 } 7656 7657 @Override 7658 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7659 if (!sUserManager.exists(userId)) 7660 return true; 7661 PackageParser.Package p = filter.provider.owner; 7662 if (p != null) { 7663 PackageSetting ps = (PackageSetting) p.mExtras; 7664 if (ps != null) { 7665 // System apps are never considered stopped for purposes of 7666 // filtering, because there may be no way for the user to 7667 // actually re-launch them. 7668 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7669 && ps.getStopped(userId); 7670 } 7671 } 7672 return false; 7673 } 7674 7675 @Override 7676 protected boolean isPackageForFilter(String packageName, 7677 PackageParser.ProviderIntentInfo info) { 7678 return packageName.equals(info.provider.owner.packageName); 7679 } 7680 7681 @Override 7682 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7683 int match, int userId) { 7684 if (!sUserManager.exists(userId)) 7685 return null; 7686 final PackageParser.ProviderIntentInfo info = filter; 7687 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7688 return null; 7689 } 7690 final PackageParser.Provider provider = info.provider; 7691 if (mSafeMode && (provider.info.applicationInfo.flags 7692 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7693 return null; 7694 } 7695 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7696 if (ps == null) { 7697 return null; 7698 } 7699 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7700 ps.readUserState(userId), userId); 7701 if (pi == null) { 7702 return null; 7703 } 7704 final ResolveInfo res = new ResolveInfo(); 7705 res.providerInfo = pi; 7706 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7707 res.filter = filter; 7708 } 7709 res.priority = info.getPriority(); 7710 res.preferredOrder = provider.owner.mPreferredOrder; 7711 res.match = match; 7712 res.isDefault = info.hasDefault; 7713 res.labelRes = info.labelRes; 7714 res.nonLocalizedLabel = info.nonLocalizedLabel; 7715 res.icon = info.icon; 7716 res.system = isSystemApp(res.providerInfo.applicationInfo); 7717 return res; 7718 } 7719 7720 @Override 7721 protected void sortResults(List<ResolveInfo> results) { 7722 Collections.sort(results, mResolvePrioritySorter); 7723 } 7724 7725 @Override 7726 protected void dumpFilter(PrintWriter out, String prefix, 7727 PackageParser.ProviderIntentInfo filter) { 7728 out.print(prefix); 7729 out.print( 7730 Integer.toHexString(System.identityHashCode(filter.provider))); 7731 out.print(' '); 7732 filter.provider.printComponentShortName(out); 7733 out.print(" filter "); 7734 out.println(Integer.toHexString(System.identityHashCode(filter))); 7735 } 7736 7737 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7738 = new HashMap<ComponentName, PackageParser.Provider>(); 7739 private int mFlags; 7740 }; 7741 7742 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7743 new Comparator<ResolveInfo>() { 7744 public int compare(ResolveInfo r1, ResolveInfo r2) { 7745 int v1 = r1.priority; 7746 int v2 = r2.priority; 7747 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7748 if (v1 != v2) { 7749 return (v1 > v2) ? -1 : 1; 7750 } 7751 v1 = r1.preferredOrder; 7752 v2 = r2.preferredOrder; 7753 if (v1 != v2) { 7754 return (v1 > v2) ? -1 : 1; 7755 } 7756 if (r1.isDefault != r2.isDefault) { 7757 return r1.isDefault ? -1 : 1; 7758 } 7759 v1 = r1.match; 7760 v2 = r2.match; 7761 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7762 if (v1 != v2) { 7763 return (v1 > v2) ? -1 : 1; 7764 } 7765 if (r1.system != r2.system) { 7766 return r1.system ? -1 : 1; 7767 } 7768 return 0; 7769 } 7770 }; 7771 7772 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7773 new Comparator<ProviderInfo>() { 7774 public int compare(ProviderInfo p1, ProviderInfo p2) { 7775 final int v1 = p1.initOrder; 7776 final int v2 = p2.initOrder; 7777 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7778 } 7779 }; 7780 7781 static final void sendPackageBroadcast(String action, String pkg, 7782 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7783 int[] userIds) { 7784 IActivityManager am = ActivityManagerNative.getDefault(); 7785 if (am != null) { 7786 try { 7787 if (userIds == null) { 7788 userIds = am.getRunningUserIds(); 7789 } 7790 for (int id : userIds) { 7791 final Intent intent = new Intent(action, 7792 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7793 if (extras != null) { 7794 intent.putExtras(extras); 7795 } 7796 if (targetPkg != null) { 7797 intent.setPackage(targetPkg); 7798 } 7799 // Modify the UID when posting to other users 7800 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7801 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7802 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7803 intent.putExtra(Intent.EXTRA_UID, uid); 7804 } 7805 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7806 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7807 if (DEBUG_BROADCASTS) { 7808 RuntimeException here = new RuntimeException("here"); 7809 here.fillInStackTrace(); 7810 Slog.d(TAG, "Sending to user " + id + ": " 7811 + intent.toShortString(false, true, false, false) 7812 + " " + intent.getExtras(), here); 7813 } 7814 am.broadcastIntent(null, intent, null, finishedReceiver, 7815 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7816 finishedReceiver != null, false, id); 7817 } 7818 } catch (RemoteException ex) { 7819 } 7820 } 7821 } 7822 7823 /** 7824 * Check if the external storage media is available. This is true if there 7825 * is a mounted external storage medium or if the external storage is 7826 * emulated. 7827 */ 7828 private boolean isExternalMediaAvailable() { 7829 return mMediaMounted || Environment.isExternalStorageEmulated(); 7830 } 7831 7832 @Override 7833 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7834 // writer 7835 synchronized (mPackages) { 7836 if (!isExternalMediaAvailable()) { 7837 // If the external storage is no longer mounted at this point, 7838 // the caller may not have been able to delete all of this 7839 // packages files and can not delete any more. Bail. 7840 return null; 7841 } 7842 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7843 if (lastPackage != null) { 7844 pkgs.remove(lastPackage); 7845 } 7846 if (pkgs.size() > 0) { 7847 return pkgs.get(0); 7848 } 7849 } 7850 return null; 7851 } 7852 7853 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7854 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7855 userId, andCode ? 1 : 0, packageName); 7856 if (mSystemReady) { 7857 msg.sendToTarget(); 7858 } else { 7859 if (mPostSystemReadyMessages == null) { 7860 mPostSystemReadyMessages = new ArrayList<>(); 7861 } 7862 mPostSystemReadyMessages.add(msg); 7863 } 7864 } 7865 7866 void startCleaningPackages() { 7867 // reader 7868 synchronized (mPackages) { 7869 if (!isExternalMediaAvailable()) { 7870 return; 7871 } 7872 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7873 return; 7874 } 7875 } 7876 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7877 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7878 IActivityManager am = ActivityManagerNative.getDefault(); 7879 if (am != null) { 7880 try { 7881 am.startService(null, intent, null, UserHandle.USER_OWNER); 7882 } catch (RemoteException e) { 7883 } 7884 } 7885 } 7886 7887 @Override 7888 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7889 int installFlags, String installerPackageName, VerificationParams verificationParams, 7890 String packageAbiOverride) { 7891 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7892 packageAbiOverride, UserHandle.getCallingUserId()); 7893 } 7894 7895 @Override 7896 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7897 int installFlags, String installerPackageName, VerificationParams verificationParams, 7898 String packageAbiOverride, int userId) { 7899 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7900 7901 final int callingUid = Binder.getCallingUid(); 7902 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7903 7904 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7905 try { 7906 if (observer != null) { 7907 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7908 } 7909 } catch (RemoteException re) { 7910 } 7911 return; 7912 } 7913 7914 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7915 installFlags |= PackageManager.INSTALL_FROM_ADB; 7916 7917 } else { 7918 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7919 // about installerPackageName. 7920 7921 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7922 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7923 } 7924 7925 UserHandle user; 7926 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7927 user = UserHandle.ALL; 7928 } else { 7929 user = new UserHandle(userId); 7930 } 7931 7932 verificationParams.setInstallerUid(callingUid); 7933 7934 final File originFile = new File(originPath); 7935 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7936 7937 final Message msg = mHandler.obtainMessage(INIT_COPY); 7938 msg.obj = new InstallParams(origin, observer, installFlags, 7939 installerPackageName, verificationParams, user, packageAbiOverride); 7940 mHandler.sendMessage(msg); 7941 } 7942 7943 void installStage(String packageName, File stagedDir, String stagedCid, 7944 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7945 String installerPackageName, int installerUid, UserHandle user) { 7946 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7947 params.referrerUri, installerUid, null); 7948 7949 final OriginInfo origin; 7950 if (stagedDir != null) { 7951 origin = OriginInfo.fromStagedFile(stagedDir); 7952 } else { 7953 origin = OriginInfo.fromStagedContainer(stagedCid); 7954 } 7955 7956 final Message msg = mHandler.obtainMessage(INIT_COPY); 7957 msg.obj = new InstallParams(origin, observer, params.installFlags, 7958 installerPackageName, verifParams, user, params.abiOverride); 7959 mHandler.sendMessage(msg); 7960 } 7961 7962 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7963 Bundle extras = new Bundle(1); 7964 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7965 7966 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7967 packageName, extras, null, null, new int[] {userId}); 7968 try { 7969 IActivityManager am = ActivityManagerNative.getDefault(); 7970 final boolean isSystem = 7971 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7972 if (isSystem && am.isUserRunning(userId, false)) { 7973 // The just-installed/enabled app is bundled on the system, so presumed 7974 // to be able to run automatically without needing an explicit launch. 7975 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7976 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7977 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7978 .setPackage(packageName); 7979 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7980 android.app.AppOpsManager.OP_NONE, false, false, userId); 7981 } 7982 } catch (RemoteException e) { 7983 // shouldn't happen 7984 Slog.w(TAG, "Unable to bootstrap installed package", e); 7985 } 7986 } 7987 7988 @Override 7989 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7990 int userId) { 7991 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7992 PackageSetting pkgSetting; 7993 final int uid = Binder.getCallingUid(); 7994 enforceCrossUserPermission(uid, userId, true, true, 7995 "setApplicationHiddenSetting for user " + userId); 7996 7997 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7998 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7999 return false; 8000 } 8001 8002 long callingId = Binder.clearCallingIdentity(); 8003 try { 8004 boolean sendAdded = false; 8005 boolean sendRemoved = false; 8006 // writer 8007 synchronized (mPackages) { 8008 pkgSetting = mSettings.mPackages.get(packageName); 8009 if (pkgSetting == null) { 8010 return false; 8011 } 8012 if (pkgSetting.getHidden(userId) != hidden) { 8013 pkgSetting.setHidden(hidden, userId); 8014 mSettings.writePackageRestrictionsLPr(userId); 8015 if (hidden) { 8016 sendRemoved = true; 8017 } else { 8018 sendAdded = true; 8019 } 8020 } 8021 } 8022 if (sendAdded) { 8023 sendPackageAddedForUser(packageName, pkgSetting, userId); 8024 return true; 8025 } 8026 if (sendRemoved) { 8027 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8028 "hiding pkg"); 8029 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8030 } 8031 } finally { 8032 Binder.restoreCallingIdentity(callingId); 8033 } 8034 return false; 8035 } 8036 8037 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8038 int userId) { 8039 final PackageRemovedInfo info = new PackageRemovedInfo(); 8040 info.removedPackage = packageName; 8041 info.removedUsers = new int[] {userId}; 8042 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8043 info.sendBroadcast(false, false, false); 8044 } 8045 8046 /** 8047 * Returns true if application is not found or there was an error. Otherwise it returns 8048 * the hidden state of the package for the given user. 8049 */ 8050 @Override 8051 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8052 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8053 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8054 false, "getApplicationHidden for user " + userId); 8055 PackageSetting pkgSetting; 8056 long callingId = Binder.clearCallingIdentity(); 8057 try { 8058 // writer 8059 synchronized (mPackages) { 8060 pkgSetting = mSettings.mPackages.get(packageName); 8061 if (pkgSetting == null) { 8062 return true; 8063 } 8064 return pkgSetting.getHidden(userId); 8065 } 8066 } finally { 8067 Binder.restoreCallingIdentity(callingId); 8068 } 8069 } 8070 8071 /** 8072 * @hide 8073 */ 8074 @Override 8075 public int installExistingPackageAsUser(String packageName, int userId) { 8076 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8077 null); 8078 PackageSetting pkgSetting; 8079 final int uid = Binder.getCallingUid(); 8080 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8081 + userId); 8082 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8083 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8084 } 8085 8086 long callingId = Binder.clearCallingIdentity(); 8087 try { 8088 boolean sendAdded = false; 8089 Bundle extras = new Bundle(1); 8090 8091 // writer 8092 synchronized (mPackages) { 8093 pkgSetting = mSettings.mPackages.get(packageName); 8094 if (pkgSetting == null) { 8095 return PackageManager.INSTALL_FAILED_INVALID_URI; 8096 } 8097 if (!pkgSetting.getInstalled(userId)) { 8098 pkgSetting.setInstalled(true, userId); 8099 pkgSetting.setHidden(false, userId); 8100 mSettings.writePackageRestrictionsLPr(userId); 8101 sendAdded = true; 8102 } 8103 } 8104 8105 if (sendAdded) { 8106 sendPackageAddedForUser(packageName, pkgSetting, userId); 8107 } 8108 } finally { 8109 Binder.restoreCallingIdentity(callingId); 8110 } 8111 8112 return PackageManager.INSTALL_SUCCEEDED; 8113 } 8114 8115 boolean isUserRestricted(int userId, String restrictionKey) { 8116 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8117 if (restrictions.getBoolean(restrictionKey, false)) { 8118 Log.w(TAG, "User is restricted: " + restrictionKey); 8119 return true; 8120 } 8121 return false; 8122 } 8123 8124 @Override 8125 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8126 mContext.enforceCallingOrSelfPermission( 8127 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8128 "Only package verification agents can verify applications"); 8129 8130 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8131 final PackageVerificationResponse response = new PackageVerificationResponse( 8132 verificationCode, Binder.getCallingUid()); 8133 msg.arg1 = id; 8134 msg.obj = response; 8135 mHandler.sendMessage(msg); 8136 } 8137 8138 @Override 8139 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8140 long millisecondsToDelay) { 8141 mContext.enforceCallingOrSelfPermission( 8142 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8143 "Only package verification agents can extend verification timeouts"); 8144 8145 final PackageVerificationState state = mPendingVerification.get(id); 8146 final PackageVerificationResponse response = new PackageVerificationResponse( 8147 verificationCodeAtTimeout, Binder.getCallingUid()); 8148 8149 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8150 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8151 } 8152 if (millisecondsToDelay < 0) { 8153 millisecondsToDelay = 0; 8154 } 8155 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8156 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8157 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8158 } 8159 8160 if ((state != null) && !state.timeoutExtended()) { 8161 state.extendTimeout(); 8162 8163 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8164 msg.arg1 = id; 8165 msg.obj = response; 8166 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8167 } 8168 } 8169 8170 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8171 int verificationCode, UserHandle user) { 8172 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8173 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8174 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8175 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8176 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8177 8178 mContext.sendBroadcastAsUser(intent, user, 8179 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8180 } 8181 8182 private ComponentName matchComponentForVerifier(String packageName, 8183 List<ResolveInfo> receivers) { 8184 ActivityInfo targetReceiver = null; 8185 8186 final int NR = receivers.size(); 8187 for (int i = 0; i < NR; i++) { 8188 final ResolveInfo info = receivers.get(i); 8189 if (info.activityInfo == null) { 8190 continue; 8191 } 8192 8193 if (packageName.equals(info.activityInfo.packageName)) { 8194 targetReceiver = info.activityInfo; 8195 break; 8196 } 8197 } 8198 8199 if (targetReceiver == null) { 8200 return null; 8201 } 8202 8203 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8204 } 8205 8206 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8207 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8208 if (pkgInfo.verifiers.length == 0) { 8209 return null; 8210 } 8211 8212 final int N = pkgInfo.verifiers.length; 8213 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8214 for (int i = 0; i < N; i++) { 8215 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8216 8217 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8218 receivers); 8219 if (comp == null) { 8220 continue; 8221 } 8222 8223 final int verifierUid = getUidForVerifier(verifierInfo); 8224 if (verifierUid == -1) { 8225 continue; 8226 } 8227 8228 if (DEBUG_VERIFY) { 8229 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8230 + " with the correct signature"); 8231 } 8232 sufficientVerifiers.add(comp); 8233 verificationState.addSufficientVerifier(verifierUid); 8234 } 8235 8236 return sufficientVerifiers; 8237 } 8238 8239 private int getUidForVerifier(VerifierInfo verifierInfo) { 8240 synchronized (mPackages) { 8241 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8242 if (pkg == null) { 8243 return -1; 8244 } else if (pkg.mSignatures.length != 1) { 8245 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8246 + " has more than one signature; ignoring"); 8247 return -1; 8248 } 8249 8250 /* 8251 * If the public key of the package's signature does not match 8252 * our expected public key, then this is a different package and 8253 * we should skip. 8254 */ 8255 8256 final byte[] expectedPublicKey; 8257 try { 8258 final Signature verifierSig = pkg.mSignatures[0]; 8259 final PublicKey publicKey = verifierSig.getPublicKey(); 8260 expectedPublicKey = publicKey.getEncoded(); 8261 } catch (CertificateException e) { 8262 return -1; 8263 } 8264 8265 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8266 8267 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8268 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8269 + " does not have the expected public key; ignoring"); 8270 return -1; 8271 } 8272 8273 return pkg.applicationInfo.uid; 8274 } 8275 } 8276 8277 @Override 8278 public void finishPackageInstall(int token) { 8279 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8280 8281 if (DEBUG_INSTALL) { 8282 Slog.v(TAG, "BM finishing package install for " + token); 8283 } 8284 8285 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8286 mHandler.sendMessage(msg); 8287 } 8288 8289 /** 8290 * Get the verification agent timeout. 8291 * 8292 * @return verification timeout in milliseconds 8293 */ 8294 private long getVerificationTimeout() { 8295 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8296 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8297 DEFAULT_VERIFICATION_TIMEOUT); 8298 } 8299 8300 /** 8301 * Get the default verification agent response code. 8302 * 8303 * @return default verification response code 8304 */ 8305 private int getDefaultVerificationResponse() { 8306 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8307 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8308 DEFAULT_VERIFICATION_RESPONSE); 8309 } 8310 8311 /** 8312 * Check whether or not package verification has been enabled. 8313 * 8314 * @return true if verification should be performed 8315 */ 8316 private boolean isVerificationEnabled(int userId, int installFlags) { 8317 if (!DEFAULT_VERIFY_ENABLE) { 8318 return false; 8319 } 8320 8321 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8322 8323 // Check if installing from ADB 8324 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8325 // Do not run verification in a test harness environment 8326 if (ActivityManager.isRunningInTestHarness()) { 8327 return false; 8328 } 8329 if (ensureVerifyAppsEnabled) { 8330 return true; 8331 } 8332 // Check if the developer does not want package verification for ADB installs 8333 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8334 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8335 return false; 8336 } 8337 } 8338 8339 if (ensureVerifyAppsEnabled) { 8340 return true; 8341 } 8342 8343 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8344 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8345 } 8346 8347 /** 8348 * Get the "allow unknown sources" setting. 8349 * 8350 * @return the current "allow unknown sources" setting 8351 */ 8352 private int getUnknownSourcesSettings() { 8353 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8354 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8355 -1); 8356 } 8357 8358 @Override 8359 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8360 final int uid = Binder.getCallingUid(); 8361 // writer 8362 synchronized (mPackages) { 8363 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8364 if (targetPackageSetting == null) { 8365 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8366 } 8367 8368 PackageSetting installerPackageSetting; 8369 if (installerPackageName != null) { 8370 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8371 if (installerPackageSetting == null) { 8372 throw new IllegalArgumentException("Unknown installer package: " 8373 + installerPackageName); 8374 } 8375 } else { 8376 installerPackageSetting = null; 8377 } 8378 8379 Signature[] callerSignature; 8380 Object obj = mSettings.getUserIdLPr(uid); 8381 if (obj != null) { 8382 if (obj instanceof SharedUserSetting) { 8383 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8384 } else if (obj instanceof PackageSetting) { 8385 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8386 } else { 8387 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8388 } 8389 } else { 8390 throw new SecurityException("Unknown calling uid " + uid); 8391 } 8392 8393 // Verify: can't set installerPackageName to a package that is 8394 // not signed with the same cert as the caller. 8395 if (installerPackageSetting != null) { 8396 if (compareSignatures(callerSignature, 8397 installerPackageSetting.signatures.mSignatures) 8398 != PackageManager.SIGNATURE_MATCH) { 8399 throw new SecurityException( 8400 "Caller does not have same cert as new installer package " 8401 + installerPackageName); 8402 } 8403 } 8404 8405 // Verify: if target already has an installer package, it must 8406 // be signed with the same cert as the caller. 8407 if (targetPackageSetting.installerPackageName != null) { 8408 PackageSetting setting = mSettings.mPackages.get( 8409 targetPackageSetting.installerPackageName); 8410 // If the currently set package isn't valid, then it's always 8411 // okay to change it. 8412 if (setting != null) { 8413 if (compareSignatures(callerSignature, 8414 setting.signatures.mSignatures) 8415 != PackageManager.SIGNATURE_MATCH) { 8416 throw new SecurityException( 8417 "Caller does not have same cert as old installer package " 8418 + targetPackageSetting.installerPackageName); 8419 } 8420 } 8421 } 8422 8423 // Okay! 8424 targetPackageSetting.installerPackageName = installerPackageName; 8425 scheduleWriteSettingsLocked(); 8426 } 8427 } 8428 8429 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8430 // Queue up an async operation since the package installation may take a little while. 8431 mHandler.post(new Runnable() { 8432 public void run() { 8433 mHandler.removeCallbacks(this); 8434 // Result object to be returned 8435 PackageInstalledInfo res = new PackageInstalledInfo(); 8436 res.returnCode = currentStatus; 8437 res.uid = -1; 8438 res.pkg = null; 8439 res.removedInfo = new PackageRemovedInfo(); 8440 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8441 args.doPreInstall(res.returnCode); 8442 synchronized (mInstallLock) { 8443 installPackageLI(args, res); 8444 } 8445 args.doPostInstall(res.returnCode, res.uid); 8446 } 8447 8448 // A restore should be performed at this point if (a) the install 8449 // succeeded, (b) the operation is not an update, and (c) the new 8450 // package has not opted out of backup participation. 8451 final boolean update = res.removedInfo.removedPackage != null; 8452 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8453 boolean doRestore = !update 8454 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8455 8456 // Set up the post-install work request bookkeeping. This will be used 8457 // and cleaned up by the post-install event handling regardless of whether 8458 // there's a restore pass performed. Token values are >= 1. 8459 int token; 8460 if (mNextInstallToken < 0) mNextInstallToken = 1; 8461 token = mNextInstallToken++; 8462 8463 PostInstallData data = new PostInstallData(args, res); 8464 mRunningInstalls.put(token, data); 8465 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8466 8467 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8468 // Pass responsibility to the Backup Manager. It will perform a 8469 // restore if appropriate, then pass responsibility back to the 8470 // Package Manager to run the post-install observer callbacks 8471 // and broadcasts. 8472 IBackupManager bm = IBackupManager.Stub.asInterface( 8473 ServiceManager.getService(Context.BACKUP_SERVICE)); 8474 if (bm != null) { 8475 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8476 + " to BM for possible restore"); 8477 try { 8478 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8479 } catch (RemoteException e) { 8480 // can't happen; the backup manager is local 8481 } catch (Exception e) { 8482 Slog.e(TAG, "Exception trying to enqueue restore", e); 8483 doRestore = false; 8484 } 8485 } else { 8486 Slog.e(TAG, "Backup Manager not found!"); 8487 doRestore = false; 8488 } 8489 } 8490 8491 if (!doRestore) { 8492 // No restore possible, or the Backup Manager was mysteriously not 8493 // available -- just fire the post-install work request directly. 8494 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8495 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8496 mHandler.sendMessage(msg); 8497 } 8498 } 8499 }); 8500 } 8501 8502 private abstract class HandlerParams { 8503 private static final int MAX_RETRIES = 4; 8504 8505 /** 8506 * Number of times startCopy() has been attempted and had a non-fatal 8507 * error. 8508 */ 8509 private int mRetries = 0; 8510 8511 /** User handle for the user requesting the information or installation. */ 8512 private final UserHandle mUser; 8513 8514 HandlerParams(UserHandle user) { 8515 mUser = user; 8516 } 8517 8518 UserHandle getUser() { 8519 return mUser; 8520 } 8521 8522 final boolean startCopy() { 8523 boolean res; 8524 try { 8525 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8526 8527 if (++mRetries > MAX_RETRIES) { 8528 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8529 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8530 handleServiceError(); 8531 return false; 8532 } else { 8533 handleStartCopy(); 8534 res = true; 8535 } 8536 } catch (RemoteException e) { 8537 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8538 mHandler.sendEmptyMessage(MCS_RECONNECT); 8539 res = false; 8540 } 8541 handleReturnCode(); 8542 return res; 8543 } 8544 8545 final void serviceError() { 8546 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8547 handleServiceError(); 8548 handleReturnCode(); 8549 } 8550 8551 abstract void handleStartCopy() throws RemoteException; 8552 abstract void handleServiceError(); 8553 abstract void handleReturnCode(); 8554 } 8555 8556 class MeasureParams extends HandlerParams { 8557 private final PackageStats mStats; 8558 private boolean mSuccess; 8559 8560 private final IPackageStatsObserver mObserver; 8561 8562 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8563 super(new UserHandle(stats.userHandle)); 8564 mObserver = observer; 8565 mStats = stats; 8566 } 8567 8568 @Override 8569 public String toString() { 8570 return "MeasureParams{" 8571 + Integer.toHexString(System.identityHashCode(this)) 8572 + " " + mStats.packageName + "}"; 8573 } 8574 8575 @Override 8576 void handleStartCopy() throws RemoteException { 8577 synchronized (mInstallLock) { 8578 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8579 } 8580 8581 if (mSuccess) { 8582 final boolean mounted; 8583 if (Environment.isExternalStorageEmulated()) { 8584 mounted = true; 8585 } else { 8586 final String status = Environment.getExternalStorageState(); 8587 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8588 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8589 } 8590 8591 if (mounted) { 8592 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8593 8594 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8595 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8596 8597 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8598 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8599 8600 // Always subtract cache size, since it's a subdirectory 8601 mStats.externalDataSize -= mStats.externalCacheSize; 8602 8603 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8604 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8605 8606 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8607 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8608 } 8609 } 8610 } 8611 8612 @Override 8613 void handleReturnCode() { 8614 if (mObserver != null) { 8615 try { 8616 mObserver.onGetStatsCompleted(mStats, mSuccess); 8617 } catch (RemoteException e) { 8618 Slog.i(TAG, "Observer no longer exists."); 8619 } 8620 } 8621 } 8622 8623 @Override 8624 void handleServiceError() { 8625 Slog.e(TAG, "Could not measure application " + mStats.packageName 8626 + " external storage"); 8627 } 8628 } 8629 8630 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8631 throws RemoteException { 8632 long result = 0; 8633 for (File path : paths) { 8634 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8635 } 8636 return result; 8637 } 8638 8639 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8640 for (File path : paths) { 8641 try { 8642 mcs.clearDirectory(path.getAbsolutePath()); 8643 } catch (RemoteException e) { 8644 } 8645 } 8646 } 8647 8648 static class OriginInfo { 8649 /** 8650 * Location where install is coming from, before it has been 8651 * copied/renamed into place. This could be a single monolithic APK 8652 * file, or a cluster directory. This location may be untrusted. 8653 */ 8654 final File file; 8655 final String cid; 8656 8657 /** 8658 * Flag indicating that {@link #file} or {@link #cid} has already been 8659 * staged, meaning downstream users don't need to defensively copy the 8660 * contents. 8661 */ 8662 final boolean staged; 8663 8664 /** 8665 * Flag indicating that {@link #file} or {@link #cid} is an already 8666 * installed app that is being moved. 8667 */ 8668 final boolean existing; 8669 8670 final String resolvedPath; 8671 final File resolvedFile; 8672 8673 static OriginInfo fromNothing() { 8674 return new OriginInfo(null, null, false, false); 8675 } 8676 8677 static OriginInfo fromUntrustedFile(File file) { 8678 return new OriginInfo(file, null, false, false); 8679 } 8680 8681 static OriginInfo fromExistingFile(File file) { 8682 return new OriginInfo(file, null, false, true); 8683 } 8684 8685 static OriginInfo fromStagedFile(File file) { 8686 return new OriginInfo(file, null, true, false); 8687 } 8688 8689 static OriginInfo fromStagedContainer(String cid) { 8690 return new OriginInfo(null, cid, true, false); 8691 } 8692 8693 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8694 this.file = file; 8695 this.cid = cid; 8696 this.staged = staged; 8697 this.existing = existing; 8698 8699 if (cid != null) { 8700 resolvedPath = PackageHelper.getSdDir(cid); 8701 resolvedFile = new File(resolvedPath); 8702 } else if (file != null) { 8703 resolvedPath = file.getAbsolutePath(); 8704 resolvedFile = file; 8705 } else { 8706 resolvedPath = null; 8707 resolvedFile = null; 8708 } 8709 } 8710 } 8711 8712 class InstallParams extends HandlerParams { 8713 final OriginInfo origin; 8714 final IPackageInstallObserver2 observer; 8715 int installFlags; 8716 final String installerPackageName; 8717 final VerificationParams verificationParams; 8718 private InstallArgs mArgs; 8719 private int mRet; 8720 final String packageAbiOverride; 8721 8722 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8723 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8724 String packageAbiOverride) { 8725 super(user); 8726 this.origin = origin; 8727 this.observer = observer; 8728 this.installFlags = installFlags; 8729 this.installerPackageName = installerPackageName; 8730 this.verificationParams = verificationParams; 8731 this.packageAbiOverride = packageAbiOverride; 8732 } 8733 8734 @Override 8735 public String toString() { 8736 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8737 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8738 } 8739 8740 public ManifestDigest getManifestDigest() { 8741 if (verificationParams == null) { 8742 return null; 8743 } 8744 return verificationParams.getManifestDigest(); 8745 } 8746 8747 private int installLocationPolicy(PackageInfoLite pkgLite) { 8748 String packageName = pkgLite.packageName; 8749 int installLocation = pkgLite.installLocation; 8750 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8751 // reader 8752 synchronized (mPackages) { 8753 PackageParser.Package pkg = mPackages.get(packageName); 8754 if (pkg != null) { 8755 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8756 // Check for downgrading. 8757 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8758 if (pkgLite.versionCode < pkg.mVersionCode) { 8759 Slog.w(TAG, "Can't install update of " + packageName 8760 + " update version " + pkgLite.versionCode 8761 + " is older than installed version " 8762 + pkg.mVersionCode); 8763 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8764 } 8765 } 8766 // Check for updated system application. 8767 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8768 if (onSd) { 8769 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8770 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8771 } 8772 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8773 } else { 8774 if (onSd) { 8775 // Install flag overrides everything. 8776 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8777 } 8778 // If current upgrade specifies particular preference 8779 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8780 // Application explicitly specified internal. 8781 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8782 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8783 // App explictly prefers external. Let policy decide 8784 } else { 8785 // Prefer previous location 8786 if (isExternal(pkg)) { 8787 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8788 } 8789 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8790 } 8791 } 8792 } else { 8793 // Invalid install. Return error code 8794 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8795 } 8796 } 8797 } 8798 // All the special cases have been taken care of. 8799 // Return result based on recommended install location. 8800 if (onSd) { 8801 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8802 } 8803 return pkgLite.recommendedInstallLocation; 8804 } 8805 8806 /* 8807 * Invoke remote method to get package information and install 8808 * location values. Override install location based on default 8809 * policy if needed and then create install arguments based 8810 * on the install location. 8811 */ 8812 public void handleStartCopy() throws RemoteException { 8813 int ret = PackageManager.INSTALL_SUCCEEDED; 8814 8815 // If we're already staged, we've firmly committed to an install location 8816 if (origin.staged) { 8817 if (origin.file != null) { 8818 installFlags |= PackageManager.INSTALL_INTERNAL; 8819 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8820 } else if (origin.cid != null) { 8821 installFlags |= PackageManager.INSTALL_EXTERNAL; 8822 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8823 } else { 8824 throw new IllegalStateException("Invalid stage location"); 8825 } 8826 } 8827 8828 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8829 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8830 8831 PackageInfoLite pkgLite = null; 8832 8833 if (onInt && onSd) { 8834 // Check if both bits are set. 8835 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8836 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8837 } else { 8838 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8839 packageAbiOverride); 8840 8841 /* 8842 * If we have too little free space, try to free cache 8843 * before giving up. 8844 */ 8845 if (!origin.staged && pkgLite.recommendedInstallLocation 8846 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8847 // TODO: focus freeing disk space on the target device 8848 final StorageManager storage = StorageManager.from(mContext); 8849 final long lowThreshold = storage.getStorageLowBytes( 8850 Environment.getDataDirectory()); 8851 8852 final long sizeBytes = mContainerService.calculateInstalledSize( 8853 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8854 8855 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8856 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8857 installFlags, packageAbiOverride); 8858 } 8859 8860 /* 8861 * The cache free must have deleted the file we 8862 * downloaded to install. 8863 * 8864 * TODO: fix the "freeCache" call to not delete 8865 * the file we care about. 8866 */ 8867 if (pkgLite.recommendedInstallLocation 8868 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8869 pkgLite.recommendedInstallLocation 8870 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8871 } 8872 } 8873 } 8874 8875 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8876 int loc = pkgLite.recommendedInstallLocation; 8877 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8878 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8879 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8880 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8881 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8882 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8883 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8884 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8885 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8886 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8887 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8888 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8889 } else { 8890 // Override with defaults if needed. 8891 loc = installLocationPolicy(pkgLite); 8892 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8893 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8894 } else if (!onSd && !onInt) { 8895 // Override install location with flags 8896 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8897 // Set the flag to install on external media. 8898 installFlags |= PackageManager.INSTALL_EXTERNAL; 8899 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8900 } else { 8901 // Make sure the flag for installing on external 8902 // media is unset 8903 installFlags |= PackageManager.INSTALL_INTERNAL; 8904 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8905 } 8906 } 8907 } 8908 } 8909 8910 final InstallArgs args = createInstallArgs(this); 8911 mArgs = args; 8912 8913 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8914 /* 8915 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8916 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8917 */ 8918 int userIdentifier = getUser().getIdentifier(); 8919 if (userIdentifier == UserHandle.USER_ALL 8920 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8921 userIdentifier = UserHandle.USER_OWNER; 8922 } 8923 8924 /* 8925 * Determine if we have any installed package verifiers. If we 8926 * do, then we'll defer to them to verify the packages. 8927 */ 8928 final int requiredUid = mRequiredVerifierPackage == null ? -1 8929 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8930 if (!origin.existing && requiredUid != -1 8931 && isVerificationEnabled(userIdentifier, installFlags)) { 8932 final Intent verification = new Intent( 8933 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8934 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8935 PACKAGE_MIME_TYPE); 8936 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8937 8938 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8939 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8940 0 /* TODO: Which userId? */); 8941 8942 if (DEBUG_VERIFY) { 8943 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8944 + verification.toString() + " with " + pkgLite.verifiers.length 8945 + " optional verifiers"); 8946 } 8947 8948 final int verificationId = mPendingVerificationToken++; 8949 8950 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8951 8952 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8953 installerPackageName); 8954 8955 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8956 installFlags); 8957 8958 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8959 pkgLite.packageName); 8960 8961 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8962 pkgLite.versionCode); 8963 8964 if (verificationParams != null) { 8965 if (verificationParams.getVerificationURI() != null) { 8966 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8967 verificationParams.getVerificationURI()); 8968 } 8969 if (verificationParams.getOriginatingURI() != null) { 8970 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8971 verificationParams.getOriginatingURI()); 8972 } 8973 if (verificationParams.getReferrer() != null) { 8974 verification.putExtra(Intent.EXTRA_REFERRER, 8975 verificationParams.getReferrer()); 8976 } 8977 if (verificationParams.getOriginatingUid() >= 0) { 8978 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8979 verificationParams.getOriginatingUid()); 8980 } 8981 if (verificationParams.getInstallerUid() >= 0) { 8982 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8983 verificationParams.getInstallerUid()); 8984 } 8985 } 8986 8987 final PackageVerificationState verificationState = new PackageVerificationState( 8988 requiredUid, args); 8989 8990 mPendingVerification.append(verificationId, verificationState); 8991 8992 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8993 receivers, verificationState); 8994 8995 /* 8996 * If any sufficient verifiers were listed in the package 8997 * manifest, attempt to ask them. 8998 */ 8999 if (sufficientVerifiers != null) { 9000 final int N = sufficientVerifiers.size(); 9001 if (N == 0) { 9002 Slog.i(TAG, "Additional verifiers required, but none installed."); 9003 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9004 } else { 9005 for (int i = 0; i < N; i++) { 9006 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9007 9008 final Intent sufficientIntent = new Intent(verification); 9009 sufficientIntent.setComponent(verifierComponent); 9010 9011 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9012 } 9013 } 9014 } 9015 9016 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9017 mRequiredVerifierPackage, receivers); 9018 if (ret == PackageManager.INSTALL_SUCCEEDED 9019 && mRequiredVerifierPackage != null) { 9020 /* 9021 * Send the intent to the required verification agent, 9022 * but only start the verification timeout after the 9023 * target BroadcastReceivers have run. 9024 */ 9025 verification.setComponent(requiredVerifierComponent); 9026 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9027 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9028 new BroadcastReceiver() { 9029 @Override 9030 public void onReceive(Context context, Intent intent) { 9031 final Message msg = mHandler 9032 .obtainMessage(CHECK_PENDING_VERIFICATION); 9033 msg.arg1 = verificationId; 9034 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9035 } 9036 }, null, 0, null, null); 9037 9038 /* 9039 * We don't want the copy to proceed until verification 9040 * succeeds, so null out this field. 9041 */ 9042 mArgs = null; 9043 } 9044 } else { 9045 /* 9046 * No package verification is enabled, so immediately start 9047 * the remote call to initiate copy using temporary file. 9048 */ 9049 ret = args.copyApk(mContainerService, true); 9050 } 9051 } 9052 9053 mRet = ret; 9054 } 9055 9056 @Override 9057 void handleReturnCode() { 9058 // If mArgs is null, then MCS couldn't be reached. When it 9059 // reconnects, it will try again to install. At that point, this 9060 // will succeed. 9061 if (mArgs != null) { 9062 processPendingInstall(mArgs, mRet); 9063 } 9064 } 9065 9066 @Override 9067 void handleServiceError() { 9068 mArgs = createInstallArgs(this); 9069 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9070 } 9071 9072 public boolean isForwardLocked() { 9073 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9074 } 9075 } 9076 9077 /** 9078 * Used during creation of InstallArgs 9079 * 9080 * @param installFlags package installation flags 9081 * @return true if should be installed on external storage 9082 */ 9083 private static boolean installOnSd(int installFlags) { 9084 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9085 return false; 9086 } 9087 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9088 return true; 9089 } 9090 return false; 9091 } 9092 9093 /** 9094 * Used during creation of InstallArgs 9095 * 9096 * @param installFlags package installation flags 9097 * @return true if should be installed as forward locked 9098 */ 9099 private static boolean installForwardLocked(int installFlags) { 9100 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9101 } 9102 9103 private InstallArgs createInstallArgs(InstallParams params) { 9104 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9105 return new AsecInstallArgs(params); 9106 } else { 9107 return new FileInstallArgs(params); 9108 } 9109 } 9110 9111 /** 9112 * Create args that describe an existing installed package. Typically used 9113 * when cleaning up old installs, or used as a move source. 9114 */ 9115 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9116 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9117 final boolean isInAsec; 9118 if (installOnSd(installFlags)) { 9119 /* Apps on SD card are always in ASEC containers. */ 9120 isInAsec = true; 9121 } else if (installForwardLocked(installFlags) 9122 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9123 /* 9124 * Forward-locked apps are only in ASEC containers if they're the 9125 * new style 9126 */ 9127 isInAsec = true; 9128 } else { 9129 isInAsec = false; 9130 } 9131 9132 if (isInAsec) { 9133 return new AsecInstallArgs(codePath, instructionSets, 9134 installOnSd(installFlags), installForwardLocked(installFlags)); 9135 } else { 9136 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9137 instructionSets); 9138 } 9139 } 9140 9141 static abstract class InstallArgs { 9142 /** @see InstallParams#origin */ 9143 final OriginInfo origin; 9144 9145 final IPackageInstallObserver2 observer; 9146 // Always refers to PackageManager flags only 9147 final int installFlags; 9148 final String installerPackageName; 9149 final ManifestDigest manifestDigest; 9150 final UserHandle user; 9151 final String abiOverride; 9152 9153 // The list of instruction sets supported by this app. This is currently 9154 // only used during the rmdex() phase to clean up resources. We can get rid of this 9155 // if we move dex files under the common app path. 9156 /* nullable */ String[] instructionSets; 9157 9158 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9159 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9160 String[] instructionSets, String abiOverride) { 9161 this.origin = origin; 9162 this.installFlags = installFlags; 9163 this.observer = observer; 9164 this.installerPackageName = installerPackageName; 9165 this.manifestDigest = manifestDigest; 9166 this.user = user; 9167 this.instructionSets = instructionSets; 9168 this.abiOverride = abiOverride; 9169 } 9170 9171 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9172 abstract int doPreInstall(int status); 9173 9174 /** 9175 * Rename package into final resting place. All paths on the given 9176 * scanned package should be updated to reflect the rename. 9177 */ 9178 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9179 abstract int doPostInstall(int status, int uid); 9180 9181 /** @see PackageSettingBase#codePathString */ 9182 abstract String getCodePath(); 9183 /** @see PackageSettingBase#resourcePathString */ 9184 abstract String getResourcePath(); 9185 abstract String getLegacyNativeLibraryPath(); 9186 9187 // Need installer lock especially for dex file removal. 9188 abstract void cleanUpResourcesLI(); 9189 abstract boolean doPostDeleteLI(boolean delete); 9190 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9191 9192 /** 9193 * Called before the source arguments are copied. This is used mostly 9194 * for MoveParams when it needs to read the source file to put it in the 9195 * destination. 9196 */ 9197 int doPreCopy() { 9198 return PackageManager.INSTALL_SUCCEEDED; 9199 } 9200 9201 /** 9202 * Called after the source arguments are copied. This is used mostly for 9203 * MoveParams when it needs to read the source file to put it in the 9204 * destination. 9205 * 9206 * @return 9207 */ 9208 int doPostCopy(int uid) { 9209 return PackageManager.INSTALL_SUCCEEDED; 9210 } 9211 9212 protected boolean isFwdLocked() { 9213 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9214 } 9215 9216 protected boolean isExternal() { 9217 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9218 } 9219 9220 UserHandle getUser() { 9221 return user; 9222 } 9223 } 9224 9225 /** 9226 * Logic to handle installation of non-ASEC applications, including copying 9227 * and renaming logic. 9228 */ 9229 class FileInstallArgs extends InstallArgs { 9230 private File codeFile; 9231 private File resourceFile; 9232 private File legacyNativeLibraryPath; 9233 9234 // Example topology: 9235 // /data/app/com.example/base.apk 9236 // /data/app/com.example/split_foo.apk 9237 // /data/app/com.example/lib/arm/libfoo.so 9238 // /data/app/com.example/lib/arm64/libfoo.so 9239 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9240 9241 /** New install */ 9242 FileInstallArgs(InstallParams params) { 9243 super(params.origin, params.observer, params.installFlags, 9244 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9245 null /* instruction sets */, params.packageAbiOverride); 9246 if (isFwdLocked()) { 9247 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9248 } 9249 } 9250 9251 /** Existing install */ 9252 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9253 String[] instructionSets) { 9254 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9255 this.codeFile = (codePath != null) ? new File(codePath) : null; 9256 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9257 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9258 new File(legacyNativeLibraryPath) : null; 9259 } 9260 9261 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9262 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9263 isFwdLocked(), abiOverride); 9264 9265 final StorageManager storage = StorageManager.from(mContext); 9266 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9267 } 9268 9269 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9270 if (origin.staged) { 9271 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9272 codeFile = origin.file; 9273 resourceFile = origin.file; 9274 return PackageManager.INSTALL_SUCCEEDED; 9275 } 9276 9277 try { 9278 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9279 codeFile = tempDir; 9280 resourceFile = tempDir; 9281 } catch (IOException e) { 9282 Slog.w(TAG, "Failed to create copy file: " + e); 9283 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9284 } 9285 9286 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9287 @Override 9288 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9289 if (!FileUtils.isValidExtFilename(name)) { 9290 throw new IllegalArgumentException("Invalid filename: " + name); 9291 } 9292 try { 9293 final File file = new File(codeFile, name); 9294 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9295 O_RDWR | O_CREAT, 0644); 9296 Os.chmod(file.getAbsolutePath(), 0644); 9297 return new ParcelFileDescriptor(fd); 9298 } catch (ErrnoException e) { 9299 throw new RemoteException("Failed to open: " + e.getMessage()); 9300 } 9301 } 9302 }; 9303 9304 int ret = PackageManager.INSTALL_SUCCEEDED; 9305 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9306 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9307 Slog.e(TAG, "Failed to copy package"); 9308 return ret; 9309 } 9310 9311 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9312 NativeLibraryHelper.Handle handle = null; 9313 try { 9314 handle = NativeLibraryHelper.Handle.create(codeFile); 9315 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9316 abiOverride); 9317 } catch (IOException e) { 9318 Slog.e(TAG, "Copying native libraries failed", e); 9319 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9320 } finally { 9321 IoUtils.closeQuietly(handle); 9322 } 9323 9324 return ret; 9325 } 9326 9327 int doPreInstall(int status) { 9328 if (status != PackageManager.INSTALL_SUCCEEDED) { 9329 cleanUp(); 9330 } 9331 return status; 9332 } 9333 9334 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9335 if (status != PackageManager.INSTALL_SUCCEEDED) { 9336 cleanUp(); 9337 return false; 9338 } else { 9339 final File beforeCodeFile = codeFile; 9340 final File afterCodeFile = getNextCodePath(pkg.packageName); 9341 9342 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9343 try { 9344 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9345 } catch (ErrnoException e) { 9346 Slog.d(TAG, "Failed to rename", e); 9347 return false; 9348 } 9349 9350 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9351 Slog.d(TAG, "Failed to restorecon"); 9352 return false; 9353 } 9354 9355 // Reflect the rename internally 9356 codeFile = afterCodeFile; 9357 resourceFile = afterCodeFile; 9358 9359 // Reflect the rename in scanned details 9360 pkg.codePath = afterCodeFile.getAbsolutePath(); 9361 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9362 pkg.baseCodePath); 9363 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9364 pkg.splitCodePaths); 9365 9366 // Reflect the rename in app info 9367 pkg.applicationInfo.setCodePath(pkg.codePath); 9368 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9369 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9370 pkg.applicationInfo.setResourcePath(pkg.codePath); 9371 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9372 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9373 9374 return true; 9375 } 9376 } 9377 9378 int doPostInstall(int status, int uid) { 9379 if (status != PackageManager.INSTALL_SUCCEEDED) { 9380 cleanUp(); 9381 } 9382 return status; 9383 } 9384 9385 @Override 9386 String getCodePath() { 9387 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9388 } 9389 9390 @Override 9391 String getResourcePath() { 9392 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9393 } 9394 9395 @Override 9396 String getLegacyNativeLibraryPath() { 9397 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9398 } 9399 9400 private boolean cleanUp() { 9401 if (codeFile == null || !codeFile.exists()) { 9402 return false; 9403 } 9404 9405 if (codeFile.isDirectory()) { 9406 FileUtils.deleteContents(codeFile); 9407 } 9408 codeFile.delete(); 9409 9410 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9411 resourceFile.delete(); 9412 } 9413 9414 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9415 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9416 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9417 } 9418 legacyNativeLibraryPath.delete(); 9419 } 9420 9421 return true; 9422 } 9423 9424 void cleanUpResourcesLI() { 9425 // Try enumerating all code paths before deleting 9426 List<String> allCodePaths = Collections.EMPTY_LIST; 9427 if (codeFile != null && codeFile.exists()) { 9428 try { 9429 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9430 allCodePaths = pkg.getAllCodePaths(); 9431 } catch (PackageParserException e) { 9432 // Ignored; we tried our best 9433 } 9434 } 9435 9436 cleanUp(); 9437 9438 if (!allCodePaths.isEmpty()) { 9439 if (instructionSets == null) { 9440 throw new IllegalStateException("instructionSet == null"); 9441 } 9442 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9443 for (String codePath : allCodePaths) { 9444 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9445 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9446 if (retCode < 0) { 9447 Slog.w(TAG, "Couldn't remove dex file for package: " 9448 + " at location " + codePath + ", retcode=" + retCode); 9449 // we don't consider this to be a failure of the core package deletion 9450 } 9451 } 9452 } 9453 } 9454 } 9455 9456 boolean doPostDeleteLI(boolean delete) { 9457 // XXX err, shouldn't we respect the delete flag? 9458 cleanUpResourcesLI(); 9459 return true; 9460 } 9461 } 9462 9463 private boolean isAsecExternal(String cid) { 9464 final String asecPath = PackageHelper.getSdFilesystem(cid); 9465 return !asecPath.startsWith(mAsecInternalPath); 9466 } 9467 9468 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9469 PackageManagerException { 9470 if (copyRet < 0) { 9471 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9472 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9473 throw new PackageManagerException(copyRet, message); 9474 } 9475 } 9476 } 9477 9478 /** 9479 * Extract the MountService "container ID" from the full code path of an 9480 * .apk. 9481 */ 9482 static String cidFromCodePath(String fullCodePath) { 9483 int eidx = fullCodePath.lastIndexOf("/"); 9484 String subStr1 = fullCodePath.substring(0, eidx); 9485 int sidx = subStr1.lastIndexOf("/"); 9486 return subStr1.substring(sidx+1, eidx); 9487 } 9488 9489 /** 9490 * Logic to handle installation of ASEC applications, including copying and 9491 * renaming logic. 9492 */ 9493 class AsecInstallArgs extends InstallArgs { 9494 static final String RES_FILE_NAME = "pkg.apk"; 9495 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9496 9497 String cid; 9498 String packagePath; 9499 String resourcePath; 9500 String legacyNativeLibraryDir; 9501 9502 /** New install */ 9503 AsecInstallArgs(InstallParams params) { 9504 super(params.origin, params.observer, params.installFlags, 9505 params.installerPackageName, params.getManifestDigest(), 9506 params.getUser(), null /* instruction sets */, 9507 params.packageAbiOverride); 9508 } 9509 9510 /** Existing install */ 9511 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9512 boolean isExternal, boolean isForwardLocked) { 9513 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9514 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9515 instructionSets, null); 9516 // Hackily pretend we're still looking at a full code path 9517 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9518 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9519 } 9520 9521 // Extract cid from fullCodePath 9522 int eidx = fullCodePath.lastIndexOf("/"); 9523 String subStr1 = fullCodePath.substring(0, eidx); 9524 int sidx = subStr1.lastIndexOf("/"); 9525 cid = subStr1.substring(sidx+1, eidx); 9526 setMountPath(subStr1); 9527 } 9528 9529 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9530 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9531 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9532 instructionSets, null); 9533 this.cid = cid; 9534 setMountPath(PackageHelper.getSdDir(cid)); 9535 } 9536 9537 void createCopyFile() { 9538 cid = mInstallerService.allocateExternalStageCidLegacy(); 9539 } 9540 9541 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9542 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9543 abiOverride); 9544 9545 final File target; 9546 if (isExternal()) { 9547 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9548 } else { 9549 target = Environment.getDataDirectory(); 9550 } 9551 9552 final StorageManager storage = StorageManager.from(mContext); 9553 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9554 } 9555 9556 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9557 if (origin.staged) { 9558 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9559 cid = origin.cid; 9560 setMountPath(PackageHelper.getSdDir(cid)); 9561 return PackageManager.INSTALL_SUCCEEDED; 9562 } 9563 9564 if (temp) { 9565 createCopyFile(); 9566 } else { 9567 /* 9568 * Pre-emptively destroy the container since it's destroyed if 9569 * copying fails due to it existing anyway. 9570 */ 9571 PackageHelper.destroySdDir(cid); 9572 } 9573 9574 final String newMountPath = imcs.copyPackageToContainer( 9575 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9576 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9577 9578 if (newMountPath != null) { 9579 setMountPath(newMountPath); 9580 return PackageManager.INSTALL_SUCCEEDED; 9581 } else { 9582 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9583 } 9584 } 9585 9586 @Override 9587 String getCodePath() { 9588 return packagePath; 9589 } 9590 9591 @Override 9592 String getResourcePath() { 9593 return resourcePath; 9594 } 9595 9596 @Override 9597 String getLegacyNativeLibraryPath() { 9598 return legacyNativeLibraryDir; 9599 } 9600 9601 int doPreInstall(int status) { 9602 if (status != PackageManager.INSTALL_SUCCEEDED) { 9603 // Destroy container 9604 PackageHelper.destroySdDir(cid); 9605 } else { 9606 boolean mounted = PackageHelper.isContainerMounted(cid); 9607 if (!mounted) { 9608 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9609 Process.SYSTEM_UID); 9610 if (newMountPath != null) { 9611 setMountPath(newMountPath); 9612 } else { 9613 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9614 } 9615 } 9616 } 9617 return status; 9618 } 9619 9620 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9621 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9622 String newMountPath = null; 9623 if (PackageHelper.isContainerMounted(cid)) { 9624 // Unmount the container 9625 if (!PackageHelper.unMountSdDir(cid)) { 9626 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9627 return false; 9628 } 9629 } 9630 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9631 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9632 " which might be stale. Will try to clean up."); 9633 // Clean up the stale container and proceed to recreate. 9634 if (!PackageHelper.destroySdDir(newCacheId)) { 9635 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9636 return false; 9637 } 9638 // Successfully cleaned up stale container. Try to rename again. 9639 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9640 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9641 + " inspite of cleaning it up."); 9642 return false; 9643 } 9644 } 9645 if (!PackageHelper.isContainerMounted(newCacheId)) { 9646 Slog.w(TAG, "Mounting container " + newCacheId); 9647 newMountPath = PackageHelper.mountSdDir(newCacheId, 9648 getEncryptKey(), Process.SYSTEM_UID); 9649 } else { 9650 newMountPath = PackageHelper.getSdDir(newCacheId); 9651 } 9652 if (newMountPath == null) { 9653 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9654 return false; 9655 } 9656 Log.i(TAG, "Succesfully renamed " + cid + 9657 " to " + newCacheId + 9658 " at new path: " + newMountPath); 9659 cid = newCacheId; 9660 9661 final File beforeCodeFile = new File(packagePath); 9662 setMountPath(newMountPath); 9663 final File afterCodeFile = new File(packagePath); 9664 9665 // Reflect the rename in scanned details 9666 pkg.codePath = afterCodeFile.getAbsolutePath(); 9667 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9668 pkg.baseCodePath); 9669 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9670 pkg.splitCodePaths); 9671 9672 // Reflect the rename in app info 9673 pkg.applicationInfo.setCodePath(pkg.codePath); 9674 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9675 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9676 pkg.applicationInfo.setResourcePath(pkg.codePath); 9677 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9678 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9679 9680 return true; 9681 } 9682 9683 private void setMountPath(String mountPath) { 9684 final File mountFile = new File(mountPath); 9685 9686 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9687 if (monolithicFile.exists()) { 9688 packagePath = monolithicFile.getAbsolutePath(); 9689 if (isFwdLocked()) { 9690 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9691 } else { 9692 resourcePath = packagePath; 9693 } 9694 } else { 9695 packagePath = mountFile.getAbsolutePath(); 9696 resourcePath = packagePath; 9697 } 9698 9699 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9700 } 9701 9702 int doPostInstall(int status, int uid) { 9703 if (status != PackageManager.INSTALL_SUCCEEDED) { 9704 cleanUp(); 9705 } else { 9706 final int groupOwner; 9707 final String protectedFile; 9708 if (isFwdLocked()) { 9709 groupOwner = UserHandle.getSharedAppGid(uid); 9710 protectedFile = RES_FILE_NAME; 9711 } else { 9712 groupOwner = -1; 9713 protectedFile = null; 9714 } 9715 9716 if (uid < Process.FIRST_APPLICATION_UID 9717 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9718 Slog.e(TAG, "Failed to finalize " + cid); 9719 PackageHelper.destroySdDir(cid); 9720 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9721 } 9722 9723 boolean mounted = PackageHelper.isContainerMounted(cid); 9724 if (!mounted) { 9725 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9726 } 9727 } 9728 return status; 9729 } 9730 9731 private void cleanUp() { 9732 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9733 9734 // Destroy secure container 9735 PackageHelper.destroySdDir(cid); 9736 } 9737 9738 private List<String> getAllCodePaths() { 9739 final File codeFile = new File(getCodePath()); 9740 if (codeFile != null && codeFile.exists()) { 9741 try { 9742 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9743 return pkg.getAllCodePaths(); 9744 } catch (PackageParserException e) { 9745 // Ignored; we tried our best 9746 } 9747 } 9748 return Collections.EMPTY_LIST; 9749 } 9750 9751 void cleanUpResourcesLI() { 9752 // Enumerate all code paths before deleting 9753 cleanUpResourcesLI(getAllCodePaths()); 9754 } 9755 9756 private void cleanUpResourcesLI(List<String> allCodePaths) { 9757 cleanUp(); 9758 9759 if (!allCodePaths.isEmpty()) { 9760 if (instructionSets == null) { 9761 throw new IllegalStateException("instructionSet == null"); 9762 } 9763 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9764 for (String codePath : allCodePaths) { 9765 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9766 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9767 if (retCode < 0) { 9768 Slog.w(TAG, "Couldn't remove dex file for package: " 9769 + " at location " + codePath + ", retcode=" + retCode); 9770 // we don't consider this to be a failure of the core package deletion 9771 } 9772 } 9773 } 9774 } 9775 } 9776 9777 boolean matchContainer(String app) { 9778 if (cid.startsWith(app)) { 9779 return true; 9780 } 9781 return false; 9782 } 9783 9784 String getPackageName() { 9785 return getAsecPackageName(cid); 9786 } 9787 9788 boolean doPostDeleteLI(boolean delete) { 9789 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9790 final List<String> allCodePaths = getAllCodePaths(); 9791 boolean mounted = PackageHelper.isContainerMounted(cid); 9792 if (mounted) { 9793 // Unmount first 9794 if (PackageHelper.unMountSdDir(cid)) { 9795 mounted = false; 9796 } 9797 } 9798 if (!mounted && delete) { 9799 cleanUpResourcesLI(allCodePaths); 9800 } 9801 return !mounted; 9802 } 9803 9804 @Override 9805 int doPreCopy() { 9806 if (isFwdLocked()) { 9807 if (!PackageHelper.fixSdPermissions(cid, 9808 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9809 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9810 } 9811 } 9812 9813 return PackageManager.INSTALL_SUCCEEDED; 9814 } 9815 9816 @Override 9817 int doPostCopy(int uid) { 9818 if (isFwdLocked()) { 9819 if (uid < Process.FIRST_APPLICATION_UID 9820 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9821 RES_FILE_NAME)) { 9822 Slog.e(TAG, "Failed to finalize " + cid); 9823 PackageHelper.destroySdDir(cid); 9824 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9825 } 9826 } 9827 9828 return PackageManager.INSTALL_SUCCEEDED; 9829 } 9830 } 9831 9832 static String getAsecPackageName(String packageCid) { 9833 int idx = packageCid.lastIndexOf("-"); 9834 if (idx == -1) { 9835 return packageCid; 9836 } 9837 return packageCid.substring(0, idx); 9838 } 9839 9840 // Utility method used to create code paths based on package name and available index. 9841 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9842 String idxStr = ""; 9843 int idx = 1; 9844 // Fall back to default value of idx=1 if prefix is not 9845 // part of oldCodePath 9846 if (oldCodePath != null) { 9847 String subStr = oldCodePath; 9848 // Drop the suffix right away 9849 if (suffix != null && subStr.endsWith(suffix)) { 9850 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9851 } 9852 // If oldCodePath already contains prefix find out the 9853 // ending index to either increment or decrement. 9854 int sidx = subStr.lastIndexOf(prefix); 9855 if (sidx != -1) { 9856 subStr = subStr.substring(sidx + prefix.length()); 9857 if (subStr != null) { 9858 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9859 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9860 } 9861 try { 9862 idx = Integer.parseInt(subStr); 9863 if (idx <= 1) { 9864 idx++; 9865 } else { 9866 idx--; 9867 } 9868 } catch(NumberFormatException e) { 9869 } 9870 } 9871 } 9872 } 9873 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9874 return prefix + idxStr; 9875 } 9876 9877 private File getNextCodePath(String packageName) { 9878 int suffix = 1; 9879 File result; 9880 do { 9881 result = new File(mAppInstallDir, packageName + "-" + suffix); 9882 suffix++; 9883 } while (result.exists()); 9884 return result; 9885 } 9886 9887 // Utility method used to ignore ADD/REMOVE events 9888 // by directory observer. 9889 private static boolean ignoreCodePath(String fullPathStr) { 9890 String apkName = deriveCodePathName(fullPathStr); 9891 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9892 if (idx != -1 && ((idx+1) < apkName.length())) { 9893 // Make sure the package ends with a numeral 9894 String version = apkName.substring(idx+1); 9895 try { 9896 Integer.parseInt(version); 9897 return true; 9898 } catch (NumberFormatException e) {} 9899 } 9900 return false; 9901 } 9902 9903 // Utility method that returns the relative package path with respect 9904 // to the installation directory. Like say for /data/data/com.test-1.apk 9905 // string com.test-1 is returned. 9906 static String deriveCodePathName(String codePath) { 9907 if (codePath == null) { 9908 return null; 9909 } 9910 final File codeFile = new File(codePath); 9911 final String name = codeFile.getName(); 9912 if (codeFile.isDirectory()) { 9913 return name; 9914 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9915 final int lastDot = name.lastIndexOf('.'); 9916 return name.substring(0, lastDot); 9917 } else { 9918 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9919 return null; 9920 } 9921 } 9922 9923 class PackageInstalledInfo { 9924 String name; 9925 int uid; 9926 // The set of users that originally had this package installed. 9927 int[] origUsers; 9928 // The set of users that now have this package installed. 9929 int[] newUsers; 9930 PackageParser.Package pkg; 9931 int returnCode; 9932 String returnMsg; 9933 PackageRemovedInfo removedInfo; 9934 9935 public void setError(int code, String msg) { 9936 returnCode = code; 9937 returnMsg = msg; 9938 Slog.w(TAG, msg); 9939 } 9940 9941 public void setError(String msg, PackageParserException e) { 9942 returnCode = e.error; 9943 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9944 Slog.w(TAG, msg, e); 9945 } 9946 9947 public void setError(String msg, PackageManagerException e) { 9948 returnCode = e.error; 9949 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9950 Slog.w(TAG, msg, e); 9951 } 9952 9953 // In some error cases we want to convey more info back to the observer 9954 String origPackage; 9955 String origPermission; 9956 } 9957 9958 /* 9959 * Install a non-existing package. 9960 */ 9961 private void installNewPackageLI(PackageParser.Package pkg, 9962 int parseFlags, int scanFlags, UserHandle user, 9963 String installerPackageName, PackageInstalledInfo res) { 9964 // Remember this for later, in case we need to rollback this install 9965 String pkgName = pkg.packageName; 9966 9967 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9968 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9969 synchronized(mPackages) { 9970 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9971 // A package with the same name is already installed, though 9972 // it has been renamed to an older name. The package we 9973 // are trying to install should be installed as an update to 9974 // the existing one, but that has not been requested, so bail. 9975 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9976 + " without first uninstalling package running as " 9977 + mSettings.mRenamedPackages.get(pkgName)); 9978 return; 9979 } 9980 if (mPackages.containsKey(pkgName)) { 9981 // Don't allow installation over an existing package with the same name. 9982 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9983 + " without first uninstalling."); 9984 return; 9985 } 9986 } 9987 9988 try { 9989 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9990 System.currentTimeMillis(), user); 9991 9992 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9993 // delete the partially installed application. the data directory will have to be 9994 // restored if it was already existing 9995 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9996 // remove package from internal structures. Note that we want deletePackageX to 9997 // delete the package data and cache directories that it created in 9998 // scanPackageLocked, unless those directories existed before we even tried to 9999 // install. 10000 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10001 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10002 res.removedInfo, true); 10003 } 10004 10005 } catch (PackageManagerException e) { 10006 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10007 } 10008 } 10009 10010 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10011 // Upgrade keysets are being used. Determine if new package has a superset of the 10012 // required keys. 10013 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10014 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10015 for (int i = 0; i < upgradeKeySets.length; i++) { 10016 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10017 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10018 return true; 10019 } 10020 } 10021 return false; 10022 } 10023 10024 private void replacePackageLI(PackageParser.Package pkg, 10025 int parseFlags, int scanFlags, UserHandle user, 10026 String installerPackageName, PackageInstalledInfo res) { 10027 PackageParser.Package oldPackage; 10028 String pkgName = pkg.packageName; 10029 int[] allUsers; 10030 boolean[] perUserInstalled; 10031 10032 // First find the old package info and check signatures 10033 synchronized(mPackages) { 10034 oldPackage = mPackages.get(pkgName); 10035 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10036 PackageSetting ps = mSettings.mPackages.get(pkgName); 10037 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10038 // default to original signature matching 10039 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10040 != PackageManager.SIGNATURE_MATCH) { 10041 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10042 "New package has a different signature: " + pkgName); 10043 return; 10044 } 10045 } else { 10046 if(!checkUpgradeKeySetLP(ps, pkg)) { 10047 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10048 "New package not signed by keys specified by upgrade-keysets: " 10049 + pkgName); 10050 return; 10051 } 10052 } 10053 10054 // In case of rollback, remember per-user/profile install state 10055 allUsers = sUserManager.getUserIds(); 10056 perUserInstalled = new boolean[allUsers.length]; 10057 for (int i = 0; i < allUsers.length; i++) { 10058 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10059 } 10060 } 10061 10062 boolean sysPkg = (isSystemApp(oldPackage)); 10063 if (sysPkg) { 10064 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10065 user, allUsers, perUserInstalled, installerPackageName, res); 10066 } else { 10067 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10068 user, allUsers, perUserInstalled, installerPackageName, res); 10069 } 10070 } 10071 10072 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10073 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10074 int[] allUsers, boolean[] perUserInstalled, 10075 String installerPackageName, PackageInstalledInfo res) { 10076 String pkgName = deletedPackage.packageName; 10077 boolean deletedPkg = true; 10078 boolean updatedSettings = false; 10079 10080 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10081 + deletedPackage); 10082 long origUpdateTime; 10083 if (pkg.mExtras != null) { 10084 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10085 } else { 10086 origUpdateTime = 0; 10087 } 10088 10089 // First delete the existing package while retaining the data directory 10090 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10091 res.removedInfo, true)) { 10092 // If the existing package wasn't successfully deleted 10093 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10094 deletedPkg = false; 10095 } else { 10096 // Successfully deleted the old package; proceed with replace. 10097 10098 // If deleted package lived in a container, give users a chance to 10099 // relinquish resources before killing. 10100 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10101 if (DEBUG_INSTALL) { 10102 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10103 } 10104 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10105 final ArrayList<String> pkgList = new ArrayList<String>(1); 10106 pkgList.add(deletedPackage.applicationInfo.packageName); 10107 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10108 } 10109 10110 deleteCodeCacheDirsLI(pkgName); 10111 try { 10112 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10113 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10114 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10115 updatedSettings = true; 10116 } catch (PackageManagerException e) { 10117 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10118 } 10119 } 10120 10121 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10122 // remove package from internal structures. Note that we want deletePackageX to 10123 // delete the package data and cache directories that it created in 10124 // scanPackageLocked, unless those directories existed before we even tried to 10125 // install. 10126 if(updatedSettings) { 10127 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10128 deletePackageLI( 10129 pkgName, null, true, allUsers, perUserInstalled, 10130 PackageManager.DELETE_KEEP_DATA, 10131 res.removedInfo, true); 10132 } 10133 // Since we failed to install the new package we need to restore the old 10134 // package that we deleted. 10135 if (deletedPkg) { 10136 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10137 File restoreFile = new File(deletedPackage.codePath); 10138 // Parse old package 10139 boolean oldOnSd = isExternal(deletedPackage); 10140 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10141 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10142 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10143 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10144 try { 10145 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10146 } catch (PackageManagerException e) { 10147 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10148 + e.getMessage()); 10149 return; 10150 } 10151 // Restore of old package succeeded. Update permissions. 10152 // writer 10153 synchronized (mPackages) { 10154 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10155 UPDATE_PERMISSIONS_ALL); 10156 // can downgrade to reader 10157 mSettings.writeLPr(); 10158 } 10159 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10160 } 10161 } 10162 } 10163 10164 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10165 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10166 int[] allUsers, boolean[] perUserInstalled, 10167 String installerPackageName, PackageInstalledInfo res) { 10168 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10169 + ", old=" + deletedPackage); 10170 boolean disabledSystem = false; 10171 boolean updatedSettings = false; 10172 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10173 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10174 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10175 } 10176 String packageName = deletedPackage.packageName; 10177 if (packageName == null) { 10178 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10179 "Attempt to delete null packageName."); 10180 return; 10181 } 10182 PackageParser.Package oldPkg; 10183 PackageSetting oldPkgSetting; 10184 // reader 10185 synchronized (mPackages) { 10186 oldPkg = mPackages.get(packageName); 10187 oldPkgSetting = mSettings.mPackages.get(packageName); 10188 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10189 (oldPkgSetting == null)) { 10190 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10191 "Couldn't find package:" + packageName + " information"); 10192 return; 10193 } 10194 } 10195 10196 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10197 10198 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10199 res.removedInfo.removedPackage = packageName; 10200 // Remove existing system package 10201 removePackageLI(oldPkgSetting, true); 10202 // writer 10203 synchronized (mPackages) { 10204 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10205 if (!disabledSystem && deletedPackage != null) { 10206 // We didn't need to disable the .apk as a current system package, 10207 // which means we are replacing another update that is already 10208 // installed. We need to make sure to delete the older one's .apk. 10209 res.removedInfo.args = createInstallArgsForExisting(0, 10210 deletedPackage.applicationInfo.getCodePath(), 10211 deletedPackage.applicationInfo.getResourcePath(), 10212 deletedPackage.applicationInfo.nativeLibraryRootDir, 10213 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10214 } else { 10215 res.removedInfo.args = null; 10216 } 10217 } 10218 10219 // Successfully disabled the old package. Now proceed with re-installation 10220 deleteCodeCacheDirsLI(packageName); 10221 10222 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10223 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10224 10225 PackageParser.Package newPackage = null; 10226 try { 10227 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10228 if (newPackage.mExtras != null) { 10229 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10230 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10231 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10232 10233 // is the update attempting to change shared user? that isn't going to work... 10234 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10235 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10236 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10237 + " to " + newPkgSetting.sharedUser); 10238 updatedSettings = true; 10239 } 10240 } 10241 10242 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10243 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10244 updatedSettings = true; 10245 } 10246 10247 } catch (PackageManagerException e) { 10248 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10249 } 10250 10251 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10252 // Re installation failed. Restore old information 10253 // Remove new pkg information 10254 if (newPackage != null) { 10255 removeInstalledPackageLI(newPackage, true); 10256 } 10257 // Add back the old system package 10258 try { 10259 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10260 } catch (PackageManagerException e) { 10261 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10262 } 10263 // Restore the old system information in Settings 10264 synchronized (mPackages) { 10265 if (disabledSystem) { 10266 mSettings.enableSystemPackageLPw(packageName); 10267 } 10268 if (updatedSettings) { 10269 mSettings.setInstallerPackageName(packageName, 10270 oldPkgSetting.installerPackageName); 10271 } 10272 mSettings.writeLPr(); 10273 } 10274 } 10275 } 10276 10277 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10278 int[] allUsers, boolean[] perUserInstalled, 10279 PackageInstalledInfo res) { 10280 String pkgName = newPackage.packageName; 10281 synchronized (mPackages) { 10282 //write settings. the installStatus will be incomplete at this stage. 10283 //note that the new package setting would have already been 10284 //added to mPackages. It hasn't been persisted yet. 10285 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10286 mSettings.writeLPr(); 10287 } 10288 10289 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10290 10291 synchronized (mPackages) { 10292 updatePermissionsLPw(newPackage.packageName, newPackage, 10293 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10294 ? UPDATE_PERMISSIONS_ALL : 0)); 10295 // For system-bundled packages, we assume that installing an upgraded version 10296 // of the package implies that the user actually wants to run that new code, 10297 // so we enable the package. 10298 if (isSystemApp(newPackage)) { 10299 // NB: implicit assumption that system package upgrades apply to all users 10300 if (DEBUG_INSTALL) { 10301 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10302 } 10303 PackageSetting ps = mSettings.mPackages.get(pkgName); 10304 if (ps != null) { 10305 if (res.origUsers != null) { 10306 for (int userHandle : res.origUsers) { 10307 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10308 userHandle, installerPackageName); 10309 } 10310 } 10311 // Also convey the prior install/uninstall state 10312 if (allUsers != null && perUserInstalled != null) { 10313 for (int i = 0; i < allUsers.length; i++) { 10314 if (DEBUG_INSTALL) { 10315 Slog.d(TAG, " user " + allUsers[i] 10316 + " => " + perUserInstalled[i]); 10317 } 10318 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10319 } 10320 // these install state changes will be persisted in the 10321 // upcoming call to mSettings.writeLPr(). 10322 } 10323 } 10324 } 10325 res.name = pkgName; 10326 res.uid = newPackage.applicationInfo.uid; 10327 res.pkg = newPackage; 10328 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10329 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10330 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10331 //to update install status 10332 mSettings.writeLPr(); 10333 } 10334 } 10335 10336 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10337 final int installFlags = args.installFlags; 10338 String installerPackageName = args.installerPackageName; 10339 File tmpPackageFile = new File(args.getCodePath()); 10340 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10341 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10342 boolean replace = false; 10343 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10344 // Result object to be returned 10345 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10346 10347 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10348 // Retrieve PackageSettings and parse package 10349 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10350 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10351 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10352 PackageParser pp = new PackageParser(); 10353 pp.setSeparateProcesses(mSeparateProcesses); 10354 pp.setDisplayMetrics(mMetrics); 10355 10356 final PackageParser.Package pkg; 10357 try { 10358 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10359 } catch (PackageParserException e) { 10360 res.setError("Failed parse during installPackageLI", e); 10361 return; 10362 } 10363 10364 // Mark that we have an install time CPU ABI override. 10365 pkg.cpuAbiOverride = args.abiOverride; 10366 10367 String pkgName = res.name = pkg.packageName; 10368 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10369 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10370 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10371 return; 10372 } 10373 } 10374 10375 try { 10376 pp.collectCertificates(pkg, parseFlags); 10377 pp.collectManifestDigest(pkg); 10378 } catch (PackageParserException e) { 10379 res.setError("Failed collect during installPackageLI", e); 10380 return; 10381 } 10382 10383 /* If the installer passed in a manifest digest, compare it now. */ 10384 if (args.manifestDigest != null) { 10385 if (DEBUG_INSTALL) { 10386 final String parsedManifest = pkg.manifestDigest == null ? "null" 10387 : pkg.manifestDigest.toString(); 10388 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10389 + parsedManifest); 10390 } 10391 10392 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10393 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10394 return; 10395 } 10396 } else if (DEBUG_INSTALL) { 10397 final String parsedManifest = pkg.manifestDigest == null 10398 ? "null" : pkg.manifestDigest.toString(); 10399 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10400 } 10401 10402 // Get rid of all references to package scan path via parser. 10403 pp = null; 10404 String oldCodePath = null; 10405 boolean systemApp = false; 10406 synchronized (mPackages) { 10407 // Check whether the newly-scanned package wants to define an already-defined perm 10408 int N = pkg.permissions.size(); 10409 for (int i = N-1; i >= 0; i--) { 10410 PackageParser.Permission perm = pkg.permissions.get(i); 10411 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10412 if (bp != null) { 10413 // If the defining package is signed with our cert, it's okay. This 10414 // also includes the "updating the same package" case, of course. 10415 // "updating same package" could also involve key-rotation. 10416 final boolean sigsOk; 10417 if (!bp.sourcePackage.equals(pkg.packageName) 10418 || !(bp.packageSetting instanceof PackageSetting) 10419 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10420 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10421 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10422 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10423 } else { 10424 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10425 } 10426 if (!sigsOk) { 10427 // If the owning package is the system itself, we log but allow 10428 // install to proceed; we fail the install on all other permission 10429 // redefinitions. 10430 if (!bp.sourcePackage.equals("android")) { 10431 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10432 + pkg.packageName + " attempting to redeclare permission " 10433 + perm.info.name + " already owned by " + bp.sourcePackage); 10434 res.origPermission = perm.info.name; 10435 res.origPackage = bp.sourcePackage; 10436 return; 10437 } else { 10438 Slog.w(TAG, "Package " + pkg.packageName 10439 + " attempting to redeclare system permission " 10440 + perm.info.name + "; ignoring new declaration"); 10441 pkg.permissions.remove(i); 10442 } 10443 } 10444 } 10445 } 10446 10447 // Check if installing already existing package 10448 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10449 String oldName = mSettings.mRenamedPackages.get(pkgName); 10450 if (pkg.mOriginalPackages != null 10451 && pkg.mOriginalPackages.contains(oldName) 10452 && mPackages.containsKey(oldName)) { 10453 // This package is derived from an original package, 10454 // and this device has been updating from that original 10455 // name. We must continue using the original name, so 10456 // rename the new package here. 10457 pkg.setPackageName(oldName); 10458 pkgName = pkg.packageName; 10459 replace = true; 10460 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10461 + oldName + " pkgName=" + pkgName); 10462 } else if (mPackages.containsKey(pkgName)) { 10463 // This package, under its official name, already exists 10464 // on the device; we should replace it. 10465 replace = true; 10466 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10467 } 10468 } 10469 PackageSetting ps = mSettings.mPackages.get(pkgName); 10470 if (ps != null) { 10471 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10472 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10473 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10474 systemApp = (ps.pkg.applicationInfo.flags & 10475 ApplicationInfo.FLAG_SYSTEM) != 0; 10476 } 10477 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10478 } 10479 } 10480 10481 if (systemApp && onSd) { 10482 // Disable updates to system apps on sdcard 10483 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10484 "Cannot install updates to system apps on sdcard"); 10485 return; 10486 } 10487 10488 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10489 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10490 return; 10491 } 10492 10493 if (replace) { 10494 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10495 installerPackageName, res); 10496 } else { 10497 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10498 args.user, installerPackageName, res); 10499 } 10500 synchronized (mPackages) { 10501 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10502 if (ps != null) { 10503 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10504 } 10505 } 10506 } 10507 10508 private static boolean isForwardLocked(PackageParser.Package pkg) { 10509 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10510 } 10511 10512 private static boolean isForwardLocked(ApplicationInfo info) { 10513 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10514 } 10515 10516 private boolean isForwardLocked(PackageSetting ps) { 10517 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10518 } 10519 10520 private static boolean isMultiArch(PackageSetting ps) { 10521 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10522 } 10523 10524 private static boolean isMultiArch(ApplicationInfo info) { 10525 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10526 } 10527 10528 private static boolean isExternal(PackageParser.Package pkg) { 10529 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10530 } 10531 10532 private static boolean isExternal(PackageSetting ps) { 10533 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10534 } 10535 10536 private static boolean isExternal(ApplicationInfo info) { 10537 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10538 } 10539 10540 private static boolean isSystemApp(PackageParser.Package pkg) { 10541 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10542 } 10543 10544 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10545 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10546 } 10547 10548 private static boolean isSystemApp(ApplicationInfo info) { 10549 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10550 } 10551 10552 private static boolean isSystemApp(PackageSetting ps) { 10553 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10554 } 10555 10556 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10557 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10558 } 10559 10560 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10561 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10562 } 10563 10564 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10565 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10566 } 10567 10568 private int packageFlagsToInstallFlags(PackageSetting ps) { 10569 int installFlags = 0; 10570 if (isExternal(ps)) { 10571 installFlags |= PackageManager.INSTALL_EXTERNAL; 10572 } 10573 if (isForwardLocked(ps)) { 10574 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10575 } 10576 return installFlags; 10577 } 10578 10579 private void deleteTempPackageFiles() { 10580 final FilenameFilter filter = new FilenameFilter() { 10581 public boolean accept(File dir, String name) { 10582 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10583 } 10584 }; 10585 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10586 file.delete(); 10587 } 10588 } 10589 10590 @Override 10591 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10592 int flags) { 10593 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10594 flags); 10595 } 10596 10597 @Override 10598 public void deletePackage(final String packageName, 10599 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10600 mContext.enforceCallingOrSelfPermission( 10601 android.Manifest.permission.DELETE_PACKAGES, null); 10602 final int uid = Binder.getCallingUid(); 10603 if (UserHandle.getUserId(uid) != userId) { 10604 mContext.enforceCallingPermission( 10605 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10606 "deletePackage for user " + userId); 10607 } 10608 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10609 try { 10610 observer.onPackageDeleted(packageName, 10611 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10612 } catch (RemoteException re) { 10613 } 10614 return; 10615 } 10616 10617 boolean uninstallBlocked = false; 10618 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10619 int[] users = sUserManager.getUserIds(); 10620 for (int i = 0; i < users.length; ++i) { 10621 if (getBlockUninstallForUser(packageName, users[i])) { 10622 uninstallBlocked = true; 10623 break; 10624 } 10625 } 10626 } else { 10627 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10628 } 10629 if (uninstallBlocked) { 10630 try { 10631 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10632 null); 10633 } catch (RemoteException re) { 10634 } 10635 return; 10636 } 10637 10638 if (DEBUG_REMOVE) { 10639 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10640 } 10641 // Queue up an async operation since the package deletion may take a little while. 10642 mHandler.post(new Runnable() { 10643 public void run() { 10644 mHandler.removeCallbacks(this); 10645 final int returnCode = deletePackageX(packageName, userId, flags); 10646 if (observer != null) { 10647 try { 10648 observer.onPackageDeleted(packageName, returnCode, null); 10649 } catch (RemoteException e) { 10650 Log.i(TAG, "Observer no longer exists."); 10651 } //end catch 10652 } //end if 10653 } //end run 10654 }); 10655 } 10656 10657 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10658 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10659 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10660 try { 10661 if (dpm != null) { 10662 if (dpm.isDeviceOwner(packageName)) { 10663 return true; 10664 } 10665 int[] users; 10666 if (userId == UserHandle.USER_ALL) { 10667 users = sUserManager.getUserIds(); 10668 } else { 10669 users = new int[]{userId}; 10670 } 10671 for (int i = 0; i < users.length; ++i) { 10672 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10673 return true; 10674 } 10675 } 10676 } 10677 } catch (RemoteException e) { 10678 } 10679 return false; 10680 } 10681 10682 /** 10683 * This method is an internal method that could be get invoked either 10684 * to delete an installed package or to clean up a failed installation. 10685 * After deleting an installed package, a broadcast is sent to notify any 10686 * listeners that the package has been installed. For cleaning up a failed 10687 * installation, the broadcast is not necessary since the package's 10688 * installation wouldn't have sent the initial broadcast either 10689 * The key steps in deleting a package are 10690 * deleting the package information in internal structures like mPackages, 10691 * deleting the packages base directories through installd 10692 * updating mSettings to reflect current status 10693 * persisting settings for later use 10694 * sending a broadcast if necessary 10695 */ 10696 private int deletePackageX(String packageName, int userId, int flags) { 10697 final PackageRemovedInfo info = new PackageRemovedInfo(); 10698 final boolean res; 10699 10700 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10701 ? UserHandle.ALL : new UserHandle(userId); 10702 10703 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10704 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10705 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10706 } 10707 10708 boolean removedForAllUsers = false; 10709 boolean systemUpdate = false; 10710 10711 // for the uninstall-updates case and restricted profiles, remember the per- 10712 // userhandle installed state 10713 int[] allUsers; 10714 boolean[] perUserInstalled; 10715 synchronized (mPackages) { 10716 PackageSetting ps = mSettings.mPackages.get(packageName); 10717 allUsers = sUserManager.getUserIds(); 10718 perUserInstalled = new boolean[allUsers.length]; 10719 for (int i = 0; i < allUsers.length; i++) { 10720 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10721 } 10722 } 10723 10724 synchronized (mInstallLock) { 10725 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10726 res = deletePackageLI(packageName, removeForUser, 10727 true, allUsers, perUserInstalled, 10728 flags | REMOVE_CHATTY, info, true); 10729 systemUpdate = info.isRemovedPackageSystemUpdate; 10730 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10731 removedForAllUsers = true; 10732 } 10733 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10734 + " removedForAllUsers=" + removedForAllUsers); 10735 } 10736 10737 if (res) { 10738 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10739 10740 // If the removed package was a system update, the old system package 10741 // was re-enabled; we need to broadcast this information 10742 if (systemUpdate) { 10743 Bundle extras = new Bundle(1); 10744 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10745 ? info.removedAppId : info.uid); 10746 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10747 10748 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10749 extras, null, null, null); 10750 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10751 extras, null, null, null); 10752 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10753 null, packageName, null, null); 10754 } 10755 } 10756 // Force a gc here. 10757 Runtime.getRuntime().gc(); 10758 // Delete the resources here after sending the broadcast to let 10759 // other processes clean up before deleting resources. 10760 if (info.args != null) { 10761 synchronized (mInstallLock) { 10762 info.args.doPostDeleteLI(true); 10763 } 10764 } 10765 10766 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10767 } 10768 10769 static class PackageRemovedInfo { 10770 String removedPackage; 10771 int uid = -1; 10772 int removedAppId = -1; 10773 int[] removedUsers = null; 10774 boolean isRemovedPackageSystemUpdate = false; 10775 // Clean up resources deleted packages. 10776 InstallArgs args = null; 10777 10778 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10779 Bundle extras = new Bundle(1); 10780 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10781 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10782 if (replacing) { 10783 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10784 } 10785 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10786 if (removedPackage != null) { 10787 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10788 extras, null, null, removedUsers); 10789 if (fullRemove && !replacing) { 10790 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10791 extras, null, null, removedUsers); 10792 } 10793 } 10794 if (removedAppId >= 0) { 10795 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10796 removedUsers); 10797 } 10798 } 10799 } 10800 10801 /* 10802 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10803 * flag is not set, the data directory is removed as well. 10804 * make sure this flag is set for partially installed apps. If not its meaningless to 10805 * delete a partially installed application. 10806 */ 10807 private void removePackageDataLI(PackageSetting ps, 10808 int[] allUserHandles, boolean[] perUserInstalled, 10809 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10810 String packageName = ps.name; 10811 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10812 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10813 // Retrieve object to delete permissions for shared user later on 10814 final PackageSetting deletedPs; 10815 // reader 10816 synchronized (mPackages) { 10817 deletedPs = mSettings.mPackages.get(packageName); 10818 if (outInfo != null) { 10819 outInfo.removedPackage = packageName; 10820 outInfo.removedUsers = deletedPs != null 10821 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10822 : null; 10823 } 10824 } 10825 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10826 removeDataDirsLI(packageName); 10827 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10828 } 10829 // writer 10830 synchronized (mPackages) { 10831 if (deletedPs != null) { 10832 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10833 if (outInfo != null) { 10834 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10835 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10836 } 10837 if (deletedPs != null) { 10838 updatePermissionsLPw(deletedPs.name, null, 0); 10839 if (deletedPs.sharedUser != null) { 10840 // remove permissions associated with package 10841 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10842 } 10843 } 10844 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10845 } 10846 // make sure to preserve per-user disabled state if this removal was just 10847 // a downgrade of a system app to the factory package 10848 if (allUserHandles != null && perUserInstalled != null) { 10849 if (DEBUG_REMOVE) { 10850 Slog.d(TAG, "Propagating install state across downgrade"); 10851 } 10852 for (int i = 0; i < allUserHandles.length; i++) { 10853 if (DEBUG_REMOVE) { 10854 Slog.d(TAG, " user " + allUserHandles[i] 10855 + " => " + perUserInstalled[i]); 10856 } 10857 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10858 } 10859 } 10860 } 10861 // can downgrade to reader 10862 if (writeSettings) { 10863 // Save settings now 10864 mSettings.writeLPr(); 10865 } 10866 } 10867 if (outInfo != null) { 10868 // A user ID was deleted here. Go through all users and remove it 10869 // from KeyStore. 10870 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10871 } 10872 } 10873 10874 static boolean locationIsPrivileged(File path) { 10875 try { 10876 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10877 .getCanonicalPath(); 10878 return path.getCanonicalPath().startsWith(privilegedAppDir); 10879 } catch (IOException e) { 10880 Slog.e(TAG, "Unable to access code path " + path); 10881 } 10882 return false; 10883 } 10884 10885 /* 10886 * Tries to delete system package. 10887 */ 10888 private boolean deleteSystemPackageLI(PackageSetting newPs, 10889 int[] allUserHandles, boolean[] perUserInstalled, 10890 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10891 final boolean applyUserRestrictions 10892 = (allUserHandles != null) && (perUserInstalled != null); 10893 PackageSetting disabledPs = null; 10894 // Confirm if the system package has been updated 10895 // An updated system app can be deleted. This will also have to restore 10896 // the system pkg from system partition 10897 // reader 10898 synchronized (mPackages) { 10899 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10900 } 10901 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10902 + " disabledPs=" + disabledPs); 10903 if (disabledPs == null) { 10904 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10905 return false; 10906 } else if (DEBUG_REMOVE) { 10907 Slog.d(TAG, "Deleting system pkg from data partition"); 10908 } 10909 if (DEBUG_REMOVE) { 10910 if (applyUserRestrictions) { 10911 Slog.d(TAG, "Remembering install states:"); 10912 for (int i = 0; i < allUserHandles.length; i++) { 10913 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10914 } 10915 } 10916 } 10917 // Delete the updated package 10918 outInfo.isRemovedPackageSystemUpdate = true; 10919 if (disabledPs.versionCode < newPs.versionCode) { 10920 // Delete data for downgrades 10921 flags &= ~PackageManager.DELETE_KEEP_DATA; 10922 } else { 10923 // Preserve data by setting flag 10924 flags |= PackageManager.DELETE_KEEP_DATA; 10925 } 10926 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10927 allUserHandles, perUserInstalled, outInfo, writeSettings); 10928 if (!ret) { 10929 return false; 10930 } 10931 // writer 10932 synchronized (mPackages) { 10933 // Reinstate the old system package 10934 mSettings.enableSystemPackageLPw(newPs.name); 10935 // Remove any native libraries from the upgraded package. 10936 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10937 } 10938 // Install the system package 10939 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10940 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10941 if (locationIsPrivileged(disabledPs.codePath)) { 10942 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10943 } 10944 10945 final PackageParser.Package newPkg; 10946 try { 10947 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10948 } catch (PackageManagerException e) { 10949 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10950 return false; 10951 } 10952 10953 // writer 10954 synchronized (mPackages) { 10955 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10956 updatePermissionsLPw(newPkg.packageName, newPkg, 10957 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10958 if (applyUserRestrictions) { 10959 if (DEBUG_REMOVE) { 10960 Slog.d(TAG, "Propagating install state across reinstall"); 10961 } 10962 for (int i = 0; i < allUserHandles.length; i++) { 10963 if (DEBUG_REMOVE) { 10964 Slog.d(TAG, " user " + allUserHandles[i] 10965 + " => " + perUserInstalled[i]); 10966 } 10967 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10968 } 10969 // Regardless of writeSettings we need to ensure that this restriction 10970 // state propagation is persisted 10971 mSettings.writeAllUsersPackageRestrictionsLPr(); 10972 } 10973 // can downgrade to reader here 10974 if (writeSettings) { 10975 mSettings.writeLPr(); 10976 } 10977 } 10978 return true; 10979 } 10980 10981 private boolean deleteInstalledPackageLI(PackageSetting ps, 10982 boolean deleteCodeAndResources, int flags, 10983 int[] allUserHandles, boolean[] perUserInstalled, 10984 PackageRemovedInfo outInfo, boolean writeSettings) { 10985 if (outInfo != null) { 10986 outInfo.uid = ps.appId; 10987 } 10988 10989 // Delete package data from internal structures and also remove data if flag is set 10990 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10991 10992 // Delete application code and resources 10993 if (deleteCodeAndResources && (outInfo != null)) { 10994 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10995 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10996 getAppDexInstructionSets(ps)); 10997 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10998 } 10999 return true; 11000 } 11001 11002 @Override 11003 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11004 int userId) { 11005 mContext.enforceCallingOrSelfPermission( 11006 android.Manifest.permission.DELETE_PACKAGES, null); 11007 synchronized (mPackages) { 11008 PackageSetting ps = mSettings.mPackages.get(packageName); 11009 if (ps == null) { 11010 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11011 return false; 11012 } 11013 if (!ps.getInstalled(userId)) { 11014 // Can't block uninstall for an app that is not installed or enabled. 11015 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11016 return false; 11017 } 11018 ps.setBlockUninstall(blockUninstall, userId); 11019 mSettings.writePackageRestrictionsLPr(userId); 11020 } 11021 return true; 11022 } 11023 11024 @Override 11025 public boolean getBlockUninstallForUser(String packageName, int userId) { 11026 synchronized (mPackages) { 11027 PackageSetting ps = mSettings.mPackages.get(packageName); 11028 if (ps == null) { 11029 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11030 return false; 11031 } 11032 return ps.getBlockUninstall(userId); 11033 } 11034 } 11035 11036 /* 11037 * This method handles package deletion in general 11038 */ 11039 private boolean deletePackageLI(String packageName, UserHandle user, 11040 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11041 int flags, PackageRemovedInfo outInfo, 11042 boolean writeSettings) { 11043 if (packageName == null) { 11044 Slog.w(TAG, "Attempt to delete null packageName."); 11045 return false; 11046 } 11047 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11048 PackageSetting ps; 11049 boolean dataOnly = false; 11050 int removeUser = -1; 11051 int appId = -1; 11052 synchronized (mPackages) { 11053 ps = mSettings.mPackages.get(packageName); 11054 if (ps == null) { 11055 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11056 return false; 11057 } 11058 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11059 && user.getIdentifier() != UserHandle.USER_ALL) { 11060 // The caller is asking that the package only be deleted for a single 11061 // user. To do this, we just mark its uninstalled state and delete 11062 // its data. If this is a system app, we only allow this to happen if 11063 // they have set the special DELETE_SYSTEM_APP which requests different 11064 // semantics than normal for uninstalling system apps. 11065 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11066 ps.setUserState(user.getIdentifier(), 11067 COMPONENT_ENABLED_STATE_DEFAULT, 11068 false, //installed 11069 true, //stopped 11070 true, //notLaunched 11071 false, //hidden 11072 null, null, null, 11073 false // blockUninstall 11074 ); 11075 if (!isSystemApp(ps)) { 11076 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11077 // Other user still have this package installed, so all 11078 // we need to do is clear this user's data and save that 11079 // it is uninstalled. 11080 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11081 removeUser = user.getIdentifier(); 11082 appId = ps.appId; 11083 mSettings.writePackageRestrictionsLPr(removeUser); 11084 } else { 11085 // We need to set it back to 'installed' so the uninstall 11086 // broadcasts will be sent correctly. 11087 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11088 ps.setInstalled(true, user.getIdentifier()); 11089 } 11090 } else { 11091 // This is a system app, so we assume that the 11092 // other users still have this package installed, so all 11093 // we need to do is clear this user's data and save that 11094 // it is uninstalled. 11095 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11096 removeUser = user.getIdentifier(); 11097 appId = ps.appId; 11098 mSettings.writePackageRestrictionsLPr(removeUser); 11099 } 11100 } 11101 } 11102 11103 if (removeUser >= 0) { 11104 // From above, we determined that we are deleting this only 11105 // for a single user. Continue the work here. 11106 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11107 if (outInfo != null) { 11108 outInfo.removedPackage = packageName; 11109 outInfo.removedAppId = appId; 11110 outInfo.removedUsers = new int[] {removeUser}; 11111 } 11112 mInstaller.clearUserData(packageName, removeUser); 11113 removeKeystoreDataIfNeeded(removeUser, appId); 11114 schedulePackageCleaning(packageName, removeUser, false); 11115 return true; 11116 } 11117 11118 if (dataOnly) { 11119 // Delete application data first 11120 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11121 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11122 return true; 11123 } 11124 11125 boolean ret = false; 11126 if (isSystemApp(ps)) { 11127 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11128 // When an updated system application is deleted we delete the existing resources as well and 11129 // fall back to existing code in system partition 11130 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11131 flags, outInfo, writeSettings); 11132 } else { 11133 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11134 // Kill application pre-emptively especially for apps on sd. 11135 killApplication(packageName, ps.appId, "uninstall pkg"); 11136 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11137 allUserHandles, perUserInstalled, 11138 outInfo, writeSettings); 11139 } 11140 11141 return ret; 11142 } 11143 11144 private final class ClearStorageConnection implements ServiceConnection { 11145 IMediaContainerService mContainerService; 11146 11147 @Override 11148 public void onServiceConnected(ComponentName name, IBinder service) { 11149 synchronized (this) { 11150 mContainerService = IMediaContainerService.Stub.asInterface(service); 11151 notifyAll(); 11152 } 11153 } 11154 11155 @Override 11156 public void onServiceDisconnected(ComponentName name) { 11157 } 11158 } 11159 11160 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11161 final boolean mounted; 11162 if (Environment.isExternalStorageEmulated()) { 11163 mounted = true; 11164 } else { 11165 final String status = Environment.getExternalStorageState(); 11166 11167 mounted = status.equals(Environment.MEDIA_MOUNTED) 11168 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11169 } 11170 11171 if (!mounted) { 11172 return; 11173 } 11174 11175 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11176 int[] users; 11177 if (userId == UserHandle.USER_ALL) { 11178 users = sUserManager.getUserIds(); 11179 } else { 11180 users = new int[] { userId }; 11181 } 11182 final ClearStorageConnection conn = new ClearStorageConnection(); 11183 if (mContext.bindServiceAsUser( 11184 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11185 try { 11186 for (int curUser : users) { 11187 long timeout = SystemClock.uptimeMillis() + 5000; 11188 synchronized (conn) { 11189 long now = SystemClock.uptimeMillis(); 11190 while (conn.mContainerService == null && now < timeout) { 11191 try { 11192 conn.wait(timeout - now); 11193 } catch (InterruptedException e) { 11194 } 11195 } 11196 } 11197 if (conn.mContainerService == null) { 11198 return; 11199 } 11200 11201 final UserEnvironment userEnv = new UserEnvironment(curUser); 11202 clearDirectory(conn.mContainerService, 11203 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11204 if (allData) { 11205 clearDirectory(conn.mContainerService, 11206 userEnv.buildExternalStorageAppDataDirs(packageName)); 11207 clearDirectory(conn.mContainerService, 11208 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11209 } 11210 } 11211 } finally { 11212 mContext.unbindService(conn); 11213 } 11214 } 11215 } 11216 11217 @Override 11218 public void clearApplicationUserData(final String packageName, 11219 final IPackageDataObserver observer, final int userId) { 11220 mContext.enforceCallingOrSelfPermission( 11221 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11222 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11223 // Queue up an async operation since the package deletion may take a little while. 11224 mHandler.post(new Runnable() { 11225 public void run() { 11226 mHandler.removeCallbacks(this); 11227 final boolean succeeded; 11228 synchronized (mInstallLock) { 11229 succeeded = clearApplicationUserDataLI(packageName, userId); 11230 } 11231 clearExternalStorageDataSync(packageName, userId, true); 11232 if (succeeded) { 11233 // invoke DeviceStorageMonitor's update method to clear any notifications 11234 DeviceStorageMonitorInternal 11235 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11236 if (dsm != null) { 11237 dsm.checkMemory(); 11238 } 11239 } 11240 if(observer != null) { 11241 try { 11242 observer.onRemoveCompleted(packageName, succeeded); 11243 } catch (RemoteException e) { 11244 Log.i(TAG, "Observer no longer exists."); 11245 } 11246 } //end if observer 11247 } //end run 11248 }); 11249 } 11250 11251 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11252 if (packageName == null) { 11253 Slog.w(TAG, "Attempt to delete null packageName."); 11254 return false; 11255 } 11256 11257 // Try finding details about the requested package 11258 PackageParser.Package pkg; 11259 synchronized (mPackages) { 11260 pkg = mPackages.get(packageName); 11261 if (pkg == null) { 11262 final PackageSetting ps = mSettings.mPackages.get(packageName); 11263 if (ps != null) { 11264 pkg = ps.pkg; 11265 } 11266 } 11267 } 11268 11269 if (pkg == null) { 11270 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11271 } 11272 11273 // Always delete data directories for package, even if we found no other 11274 // record of app. This helps users recover from UID mismatches without 11275 // resorting to a full data wipe. 11276 int retCode = mInstaller.clearUserData(packageName, userId); 11277 if (retCode < 0) { 11278 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11279 return false; 11280 } 11281 11282 if (pkg == null) { 11283 return false; 11284 } 11285 11286 if (pkg != null && pkg.applicationInfo != null) { 11287 final int appId = pkg.applicationInfo.uid; 11288 removeKeystoreDataIfNeeded(userId, appId); 11289 } 11290 11291 // Create a native library symlink only if we have native libraries 11292 // and if the native libraries are 32 bit libraries. We do not provide 11293 // this symlink for 64 bit libraries. 11294 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11295 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11296 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11297 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11298 Slog.w(TAG, "Failed linking native library dir"); 11299 return false; 11300 } 11301 } 11302 11303 return true; 11304 } 11305 11306 /** 11307 * Remove entries from the keystore daemon. Will only remove it if the 11308 * {@code appId} is valid. 11309 */ 11310 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11311 if (appId < 0) { 11312 return; 11313 } 11314 11315 final KeyStore keyStore = KeyStore.getInstance(); 11316 if (keyStore != null) { 11317 if (userId == UserHandle.USER_ALL) { 11318 for (final int individual : sUserManager.getUserIds()) { 11319 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11320 } 11321 } else { 11322 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11323 } 11324 } else { 11325 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11326 } 11327 } 11328 11329 @Override 11330 public void deleteApplicationCacheFiles(final String packageName, 11331 final IPackageDataObserver observer) { 11332 mContext.enforceCallingOrSelfPermission( 11333 android.Manifest.permission.DELETE_CACHE_FILES, null); 11334 // Queue up an async operation since the package deletion may take a little while. 11335 final int userId = UserHandle.getCallingUserId(); 11336 mHandler.post(new Runnable() { 11337 public void run() { 11338 mHandler.removeCallbacks(this); 11339 final boolean succeded; 11340 synchronized (mInstallLock) { 11341 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11342 } 11343 clearExternalStorageDataSync(packageName, userId, false); 11344 if(observer != null) { 11345 try { 11346 observer.onRemoveCompleted(packageName, succeded); 11347 } catch (RemoteException e) { 11348 Log.i(TAG, "Observer no longer exists."); 11349 } 11350 } //end if observer 11351 } //end run 11352 }); 11353 } 11354 11355 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11356 if (packageName == null) { 11357 Slog.w(TAG, "Attempt to delete null packageName."); 11358 return false; 11359 } 11360 PackageParser.Package p; 11361 synchronized (mPackages) { 11362 p = mPackages.get(packageName); 11363 } 11364 if (p == null) { 11365 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11366 return false; 11367 } 11368 final ApplicationInfo applicationInfo = p.applicationInfo; 11369 if (applicationInfo == null) { 11370 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11371 return false; 11372 } 11373 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11374 if (retCode < 0) { 11375 Slog.w(TAG, "Couldn't remove cache files for package: " 11376 + packageName + " u" + userId); 11377 return false; 11378 } 11379 return true; 11380 } 11381 11382 @Override 11383 public void getPackageSizeInfo(final String packageName, int userHandle, 11384 final IPackageStatsObserver observer) { 11385 mContext.enforceCallingOrSelfPermission( 11386 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11387 if (packageName == null) { 11388 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11389 } 11390 11391 PackageStats stats = new PackageStats(packageName, userHandle); 11392 11393 /* 11394 * Queue up an async operation since the package measurement may take a 11395 * little while. 11396 */ 11397 Message msg = mHandler.obtainMessage(INIT_COPY); 11398 msg.obj = new MeasureParams(stats, observer); 11399 mHandler.sendMessage(msg); 11400 } 11401 11402 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11403 PackageStats pStats) { 11404 if (packageName == null) { 11405 Slog.w(TAG, "Attempt to get size of null packageName."); 11406 return false; 11407 } 11408 PackageParser.Package p; 11409 boolean dataOnly = false; 11410 String libDirRoot = null; 11411 String asecPath = null; 11412 PackageSetting ps = null; 11413 synchronized (mPackages) { 11414 p = mPackages.get(packageName); 11415 ps = mSettings.mPackages.get(packageName); 11416 if(p == null) { 11417 dataOnly = true; 11418 if((ps == null) || (ps.pkg == null)) { 11419 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11420 return false; 11421 } 11422 p = ps.pkg; 11423 } 11424 if (ps != null) { 11425 libDirRoot = ps.legacyNativeLibraryPathString; 11426 } 11427 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11428 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11429 if (secureContainerId != null) { 11430 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11431 } 11432 } 11433 } 11434 String publicSrcDir = null; 11435 if(!dataOnly) { 11436 final ApplicationInfo applicationInfo = p.applicationInfo; 11437 if (applicationInfo == null) { 11438 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11439 return false; 11440 } 11441 if (isForwardLocked(p)) { 11442 publicSrcDir = applicationInfo.getBaseResourcePath(); 11443 } 11444 } 11445 // TODO: extend to measure size of split APKs 11446 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11447 // not just the first level. 11448 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11449 // just the primary. 11450 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11451 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11452 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11453 if (res < 0) { 11454 return false; 11455 } 11456 11457 // Fix-up for forward-locked applications in ASEC containers. 11458 if (!isExternal(p)) { 11459 pStats.codeSize += pStats.externalCodeSize; 11460 pStats.externalCodeSize = 0L; 11461 } 11462 11463 return true; 11464 } 11465 11466 11467 @Override 11468 public void addPackageToPreferred(String packageName) { 11469 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11470 } 11471 11472 @Override 11473 public void removePackageFromPreferred(String packageName) { 11474 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11475 } 11476 11477 @Override 11478 public List<PackageInfo> getPreferredPackages(int flags) { 11479 return new ArrayList<PackageInfo>(); 11480 } 11481 11482 private int getUidTargetSdkVersionLockedLPr(int uid) { 11483 Object obj = mSettings.getUserIdLPr(uid); 11484 if (obj instanceof SharedUserSetting) { 11485 final SharedUserSetting sus = (SharedUserSetting) obj; 11486 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11487 final Iterator<PackageSetting> it = sus.packages.iterator(); 11488 while (it.hasNext()) { 11489 final PackageSetting ps = it.next(); 11490 if (ps.pkg != null) { 11491 int v = ps.pkg.applicationInfo.targetSdkVersion; 11492 if (v < vers) vers = v; 11493 } 11494 } 11495 return vers; 11496 } else if (obj instanceof PackageSetting) { 11497 final PackageSetting ps = (PackageSetting) obj; 11498 if (ps.pkg != null) { 11499 return ps.pkg.applicationInfo.targetSdkVersion; 11500 } 11501 } 11502 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11503 } 11504 11505 @Override 11506 public void addPreferredActivity(IntentFilter filter, int match, 11507 ComponentName[] set, ComponentName activity, int userId) { 11508 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11509 "Adding preferred"); 11510 } 11511 11512 private void addPreferredActivityInternal(IntentFilter filter, int match, 11513 ComponentName[] set, ComponentName activity, boolean always, int userId, 11514 String opname) { 11515 // writer 11516 int callingUid = Binder.getCallingUid(); 11517 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11518 if (filter.countActions() == 0) { 11519 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11520 return; 11521 } 11522 synchronized (mPackages) { 11523 if (mContext.checkCallingOrSelfPermission( 11524 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11525 != PackageManager.PERMISSION_GRANTED) { 11526 if (getUidTargetSdkVersionLockedLPr(callingUid) 11527 < Build.VERSION_CODES.FROYO) { 11528 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11529 + callingUid); 11530 return; 11531 } 11532 mContext.enforceCallingOrSelfPermission( 11533 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11534 } 11535 11536 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11537 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11538 + userId + ":"); 11539 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11540 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11541 mSettings.writePackageRestrictionsLPr(userId); 11542 } 11543 } 11544 11545 @Override 11546 public void replacePreferredActivity(IntentFilter filter, int match, 11547 ComponentName[] set, ComponentName activity, int userId) { 11548 if (filter.countActions() != 1) { 11549 throw new IllegalArgumentException( 11550 "replacePreferredActivity expects filter to have only 1 action."); 11551 } 11552 if (filter.countDataAuthorities() != 0 11553 || filter.countDataPaths() != 0 11554 || filter.countDataSchemes() > 1 11555 || filter.countDataTypes() != 0) { 11556 throw new IllegalArgumentException( 11557 "replacePreferredActivity expects filter to have no data authorities, " + 11558 "paths, or types; and at most one scheme."); 11559 } 11560 11561 final int callingUid = Binder.getCallingUid(); 11562 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11563 synchronized (mPackages) { 11564 if (mContext.checkCallingOrSelfPermission( 11565 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11566 != PackageManager.PERMISSION_GRANTED) { 11567 if (getUidTargetSdkVersionLockedLPr(callingUid) 11568 < Build.VERSION_CODES.FROYO) { 11569 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11570 + Binder.getCallingUid()); 11571 return; 11572 } 11573 mContext.enforceCallingOrSelfPermission( 11574 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11575 } 11576 11577 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11578 if (pir != null) { 11579 // Get all of the existing entries that exactly match this filter. 11580 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11581 if (existing != null && existing.size() == 1) { 11582 PreferredActivity cur = existing.get(0); 11583 if (DEBUG_PREFERRED) { 11584 Slog.i(TAG, "Checking replace of preferred:"); 11585 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11586 if (!cur.mPref.mAlways) { 11587 Slog.i(TAG, " -- CUR; not mAlways!"); 11588 } else { 11589 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11590 Slog.i(TAG, " -- CUR: mSet=" 11591 + Arrays.toString(cur.mPref.mSetComponents)); 11592 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11593 Slog.i(TAG, " -- NEW: mMatch=" 11594 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11595 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11596 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11597 } 11598 } 11599 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11600 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11601 && cur.mPref.sameSet(set)) { 11602 // Setting the preferred activity to what it happens to be already 11603 if (DEBUG_PREFERRED) { 11604 Slog.i(TAG, "Replacing with same preferred activity " 11605 + cur.mPref.mShortComponent + " for user " 11606 + userId + ":"); 11607 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11608 } 11609 return; 11610 } 11611 } 11612 11613 if (existing != null) { 11614 if (DEBUG_PREFERRED) { 11615 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11616 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11617 } 11618 for (int i = 0; i < existing.size(); i++) { 11619 PreferredActivity pa = existing.get(i); 11620 if (DEBUG_PREFERRED) { 11621 Slog.i(TAG, "Removing existing preferred activity " 11622 + pa.mPref.mComponent + ":"); 11623 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11624 } 11625 pir.removeFilter(pa); 11626 } 11627 } 11628 } 11629 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11630 "Replacing preferred"); 11631 } 11632 } 11633 11634 @Override 11635 public void clearPackagePreferredActivities(String packageName) { 11636 final int uid = Binder.getCallingUid(); 11637 // writer 11638 synchronized (mPackages) { 11639 PackageParser.Package pkg = mPackages.get(packageName); 11640 if (pkg == null || pkg.applicationInfo.uid != uid) { 11641 if (mContext.checkCallingOrSelfPermission( 11642 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11643 != PackageManager.PERMISSION_GRANTED) { 11644 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11645 < Build.VERSION_CODES.FROYO) { 11646 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11647 + Binder.getCallingUid()); 11648 return; 11649 } 11650 mContext.enforceCallingOrSelfPermission( 11651 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11652 } 11653 } 11654 11655 int user = UserHandle.getCallingUserId(); 11656 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11657 mSettings.writePackageRestrictionsLPr(user); 11658 scheduleWriteSettingsLocked(); 11659 } 11660 } 11661 } 11662 11663 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11664 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11665 ArrayList<PreferredActivity> removed = null; 11666 boolean changed = false; 11667 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11668 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11669 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11670 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11671 continue; 11672 } 11673 Iterator<PreferredActivity> it = pir.filterIterator(); 11674 while (it.hasNext()) { 11675 PreferredActivity pa = it.next(); 11676 // Mark entry for removal only if it matches the package name 11677 // and the entry is of type "always". 11678 if (packageName == null || 11679 (pa.mPref.mComponent.getPackageName().equals(packageName) 11680 && pa.mPref.mAlways)) { 11681 if (removed == null) { 11682 removed = new ArrayList<PreferredActivity>(); 11683 } 11684 removed.add(pa); 11685 } 11686 } 11687 if (removed != null) { 11688 for (int j=0; j<removed.size(); j++) { 11689 PreferredActivity pa = removed.get(j); 11690 pir.removeFilter(pa); 11691 } 11692 changed = true; 11693 } 11694 } 11695 return changed; 11696 } 11697 11698 @Override 11699 public void resetPreferredActivities(int userId) { 11700 /* TODO: Actually use userId. Why is it being passed in? */ 11701 mContext.enforceCallingOrSelfPermission( 11702 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11703 // writer 11704 synchronized (mPackages) { 11705 int user = UserHandle.getCallingUserId(); 11706 clearPackagePreferredActivitiesLPw(null, user); 11707 mSettings.readDefaultPreferredAppsLPw(this, user); 11708 mSettings.writePackageRestrictionsLPr(user); 11709 scheduleWriteSettingsLocked(); 11710 } 11711 } 11712 11713 @Override 11714 public int getPreferredActivities(List<IntentFilter> outFilters, 11715 List<ComponentName> outActivities, String packageName) { 11716 11717 int num = 0; 11718 final int userId = UserHandle.getCallingUserId(); 11719 // reader 11720 synchronized (mPackages) { 11721 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11722 if (pir != null) { 11723 final Iterator<PreferredActivity> it = pir.filterIterator(); 11724 while (it.hasNext()) { 11725 final PreferredActivity pa = it.next(); 11726 if (packageName == null 11727 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11728 && pa.mPref.mAlways)) { 11729 if (outFilters != null) { 11730 outFilters.add(new IntentFilter(pa)); 11731 } 11732 if (outActivities != null) { 11733 outActivities.add(pa.mPref.mComponent); 11734 } 11735 } 11736 } 11737 } 11738 } 11739 11740 return num; 11741 } 11742 11743 @Override 11744 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11745 int userId) { 11746 int callingUid = Binder.getCallingUid(); 11747 if (callingUid != Process.SYSTEM_UID) { 11748 throw new SecurityException( 11749 "addPersistentPreferredActivity can only be run by the system"); 11750 } 11751 if (filter.countActions() == 0) { 11752 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11753 return; 11754 } 11755 synchronized (mPackages) { 11756 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11757 " :"); 11758 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11759 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11760 new PersistentPreferredActivity(filter, activity)); 11761 mSettings.writePackageRestrictionsLPr(userId); 11762 } 11763 } 11764 11765 @Override 11766 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11767 int callingUid = Binder.getCallingUid(); 11768 if (callingUid != Process.SYSTEM_UID) { 11769 throw new SecurityException( 11770 "clearPackagePersistentPreferredActivities can only be run by the system"); 11771 } 11772 ArrayList<PersistentPreferredActivity> removed = null; 11773 boolean changed = false; 11774 synchronized (mPackages) { 11775 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11776 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11777 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11778 .valueAt(i); 11779 if (userId != thisUserId) { 11780 continue; 11781 } 11782 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11783 while (it.hasNext()) { 11784 PersistentPreferredActivity ppa = it.next(); 11785 // Mark entry for removal only if it matches the package name. 11786 if (ppa.mComponent.getPackageName().equals(packageName)) { 11787 if (removed == null) { 11788 removed = new ArrayList<PersistentPreferredActivity>(); 11789 } 11790 removed.add(ppa); 11791 } 11792 } 11793 if (removed != null) { 11794 for (int j=0; j<removed.size(); j++) { 11795 PersistentPreferredActivity ppa = removed.get(j); 11796 ppir.removeFilter(ppa); 11797 } 11798 changed = true; 11799 } 11800 } 11801 11802 if (changed) { 11803 mSettings.writePackageRestrictionsLPr(userId); 11804 } 11805 } 11806 } 11807 11808 @Override 11809 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11810 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11811 mContext.enforceCallingOrSelfPermission( 11812 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11813 int callingUid = Binder.getCallingUid(); 11814 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11815 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11816 if (intentFilter.countActions() == 0) { 11817 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11818 return; 11819 } 11820 synchronized (mPackages) { 11821 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11822 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11823 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11824 mSettings.writePackageRestrictionsLPr(sourceUserId); 11825 } 11826 } 11827 11828 @Override 11829 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11830 int ownerUserId) { 11831 mContext.enforceCallingOrSelfPermission( 11832 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11833 int callingUid = Binder.getCallingUid(); 11834 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11835 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11836 int callingUserId = UserHandle.getUserId(callingUid); 11837 synchronized (mPackages) { 11838 CrossProfileIntentResolver resolver = 11839 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11840 HashSet<CrossProfileIntentFilter> set = 11841 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11842 for (CrossProfileIntentFilter filter : set) { 11843 if (filter.getOwnerPackage().equals(ownerPackage) 11844 && filter.getOwnerUserId() == callingUserId) { 11845 resolver.removeFilter(filter); 11846 } 11847 } 11848 mSettings.writePackageRestrictionsLPr(sourceUserId); 11849 } 11850 } 11851 11852 // Enforcing that callingUid is owning pkg on userId 11853 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11854 // The system owns everything. 11855 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11856 return; 11857 } 11858 int callingUserId = UserHandle.getUserId(callingUid); 11859 if (callingUserId != userId) { 11860 throw new SecurityException("calling uid " + callingUid 11861 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11862 + callingUserId); 11863 } 11864 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11865 if (pi == null) { 11866 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11867 + callingUserId); 11868 } 11869 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11870 throw new SecurityException("Calling uid " + callingUid 11871 + " does not own package " + pkg); 11872 } 11873 } 11874 11875 @Override 11876 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11877 Intent intent = new Intent(Intent.ACTION_MAIN); 11878 intent.addCategory(Intent.CATEGORY_HOME); 11879 11880 final int callingUserId = UserHandle.getCallingUserId(); 11881 List<ResolveInfo> list = queryIntentActivities(intent, null, 11882 PackageManager.GET_META_DATA, callingUserId); 11883 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11884 true, false, false, callingUserId); 11885 11886 allHomeCandidates.clear(); 11887 if (list != null) { 11888 for (ResolveInfo ri : list) { 11889 allHomeCandidates.add(ri); 11890 } 11891 } 11892 return (preferred == null || preferred.activityInfo == null) 11893 ? null 11894 : new ComponentName(preferred.activityInfo.packageName, 11895 preferred.activityInfo.name); 11896 } 11897 11898 @Override 11899 public void setApplicationEnabledSetting(String appPackageName, 11900 int newState, int flags, int userId, String callingPackage) { 11901 if (!sUserManager.exists(userId)) return; 11902 if (callingPackage == null) { 11903 callingPackage = Integer.toString(Binder.getCallingUid()); 11904 } 11905 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11906 } 11907 11908 @Override 11909 public void setComponentEnabledSetting(ComponentName componentName, 11910 int newState, int flags, int userId) { 11911 if (!sUserManager.exists(userId)) return; 11912 setEnabledSetting(componentName.getPackageName(), 11913 componentName.getClassName(), newState, flags, userId, null); 11914 } 11915 11916 private void setEnabledSetting(final String packageName, String className, int newState, 11917 final int flags, int userId, String callingPackage) { 11918 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11919 || newState == COMPONENT_ENABLED_STATE_ENABLED 11920 || newState == COMPONENT_ENABLED_STATE_DISABLED 11921 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11922 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11923 throw new IllegalArgumentException("Invalid new component state: " 11924 + newState); 11925 } 11926 PackageSetting pkgSetting; 11927 final int uid = Binder.getCallingUid(); 11928 final int permission = mContext.checkCallingOrSelfPermission( 11929 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11930 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11931 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11932 boolean sendNow = false; 11933 boolean isApp = (className == null); 11934 String componentName = isApp ? packageName : className; 11935 int packageUid = -1; 11936 ArrayList<String> components; 11937 11938 // writer 11939 synchronized (mPackages) { 11940 pkgSetting = mSettings.mPackages.get(packageName); 11941 if (pkgSetting == null) { 11942 if (className == null) { 11943 throw new IllegalArgumentException( 11944 "Unknown package: " + packageName); 11945 } 11946 throw new IllegalArgumentException( 11947 "Unknown component: " + packageName 11948 + "/" + className); 11949 } 11950 // Allow root and verify that userId is not being specified by a different user 11951 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11952 throw new SecurityException( 11953 "Permission Denial: attempt to change component state from pid=" 11954 + Binder.getCallingPid() 11955 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11956 } 11957 if (className == null) { 11958 // We're dealing with an application/package level state change 11959 if (pkgSetting.getEnabled(userId) == newState) { 11960 // Nothing to do 11961 return; 11962 } 11963 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11964 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11965 // Don't care about who enables an app. 11966 callingPackage = null; 11967 } 11968 pkgSetting.setEnabled(newState, userId, callingPackage); 11969 // pkgSetting.pkg.mSetEnabled = newState; 11970 } else { 11971 // We're dealing with a component level state change 11972 // First, verify that this is a valid class name. 11973 PackageParser.Package pkg = pkgSetting.pkg; 11974 if (pkg == null || !pkg.hasComponentClassName(className)) { 11975 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11976 throw new IllegalArgumentException("Component class " + className 11977 + " does not exist in " + packageName); 11978 } else { 11979 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11980 + className + " does not exist in " + packageName); 11981 } 11982 } 11983 switch (newState) { 11984 case COMPONENT_ENABLED_STATE_ENABLED: 11985 if (!pkgSetting.enableComponentLPw(className, userId)) { 11986 return; 11987 } 11988 break; 11989 case COMPONENT_ENABLED_STATE_DISABLED: 11990 if (!pkgSetting.disableComponentLPw(className, userId)) { 11991 return; 11992 } 11993 break; 11994 case COMPONENT_ENABLED_STATE_DEFAULT: 11995 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11996 return; 11997 } 11998 break; 11999 default: 12000 Slog.e(TAG, "Invalid new component state: " + newState); 12001 return; 12002 } 12003 } 12004 mSettings.writePackageRestrictionsLPr(userId); 12005 components = mPendingBroadcasts.get(userId, packageName); 12006 final boolean newPackage = components == null; 12007 if (newPackage) { 12008 components = new ArrayList<String>(); 12009 } 12010 if (!components.contains(componentName)) { 12011 components.add(componentName); 12012 } 12013 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12014 sendNow = true; 12015 // Purge entry from pending broadcast list if another one exists already 12016 // since we are sending one right away. 12017 mPendingBroadcasts.remove(userId, packageName); 12018 } else { 12019 if (newPackage) { 12020 mPendingBroadcasts.put(userId, packageName, components); 12021 } 12022 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12023 // Schedule a message 12024 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12025 } 12026 } 12027 } 12028 12029 long callingId = Binder.clearCallingIdentity(); 12030 try { 12031 if (sendNow) { 12032 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12033 sendPackageChangedBroadcast(packageName, 12034 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12035 } 12036 } finally { 12037 Binder.restoreCallingIdentity(callingId); 12038 } 12039 } 12040 12041 private void sendPackageChangedBroadcast(String packageName, 12042 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12043 if (DEBUG_INSTALL) 12044 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12045 + componentNames); 12046 Bundle extras = new Bundle(4); 12047 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12048 String nameList[] = new String[componentNames.size()]; 12049 componentNames.toArray(nameList); 12050 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12051 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12052 extras.putInt(Intent.EXTRA_UID, packageUid); 12053 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12054 new int[] {UserHandle.getUserId(packageUid)}); 12055 } 12056 12057 @Override 12058 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12059 if (!sUserManager.exists(userId)) return; 12060 final int uid = Binder.getCallingUid(); 12061 final int permission = mContext.checkCallingOrSelfPermission( 12062 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12063 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12064 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12065 // writer 12066 synchronized (mPackages) { 12067 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12068 uid, userId)) { 12069 scheduleWritePackageRestrictionsLocked(userId); 12070 } 12071 } 12072 } 12073 12074 @Override 12075 public String getInstallerPackageName(String packageName) { 12076 // reader 12077 synchronized (mPackages) { 12078 return mSettings.getInstallerPackageNameLPr(packageName); 12079 } 12080 } 12081 12082 @Override 12083 public int getApplicationEnabledSetting(String packageName, int userId) { 12084 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12085 int uid = Binder.getCallingUid(); 12086 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12087 // reader 12088 synchronized (mPackages) { 12089 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12090 } 12091 } 12092 12093 @Override 12094 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12095 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12096 int uid = Binder.getCallingUid(); 12097 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12098 // reader 12099 synchronized (mPackages) { 12100 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12101 } 12102 } 12103 12104 @Override 12105 public void enterSafeMode() { 12106 enforceSystemOrRoot("Only the system can request entering safe mode"); 12107 12108 if (!mSystemReady) { 12109 mSafeMode = true; 12110 } 12111 } 12112 12113 @Override 12114 public void systemReady() { 12115 mSystemReady = true; 12116 12117 // Read the compatibilty setting when the system is ready. 12118 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12119 mContext.getContentResolver(), 12120 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12121 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12122 if (DEBUG_SETTINGS) { 12123 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12124 } 12125 12126 synchronized (mPackages) { 12127 // Verify that all of the preferred activity components actually 12128 // exist. It is possible for applications to be updated and at 12129 // that point remove a previously declared activity component that 12130 // had been set as a preferred activity. We try to clean this up 12131 // the next time we encounter that preferred activity, but it is 12132 // possible for the user flow to never be able to return to that 12133 // situation so here we do a sanity check to make sure we haven't 12134 // left any junk around. 12135 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12136 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12137 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12138 removed.clear(); 12139 for (PreferredActivity pa : pir.filterSet()) { 12140 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12141 removed.add(pa); 12142 } 12143 } 12144 if (removed.size() > 0) { 12145 for (int r=0; r<removed.size(); r++) { 12146 PreferredActivity pa = removed.get(r); 12147 Slog.w(TAG, "Removing dangling preferred activity: " 12148 + pa.mPref.mComponent); 12149 pir.removeFilter(pa); 12150 } 12151 mSettings.writePackageRestrictionsLPr( 12152 mSettings.mPreferredActivities.keyAt(i)); 12153 } 12154 } 12155 } 12156 sUserManager.systemReady(); 12157 12158 // Kick off any messages waiting for system ready 12159 if (mPostSystemReadyMessages != null) { 12160 for (Message msg : mPostSystemReadyMessages) { 12161 msg.sendToTarget(); 12162 } 12163 mPostSystemReadyMessages = null; 12164 } 12165 } 12166 12167 @Override 12168 public boolean isSafeMode() { 12169 return mSafeMode; 12170 } 12171 12172 @Override 12173 public boolean hasSystemUidErrors() { 12174 return mHasSystemUidErrors; 12175 } 12176 12177 static String arrayToString(int[] array) { 12178 StringBuffer buf = new StringBuffer(128); 12179 buf.append('['); 12180 if (array != null) { 12181 for (int i=0; i<array.length; i++) { 12182 if (i > 0) buf.append(", "); 12183 buf.append(array[i]); 12184 } 12185 } 12186 buf.append(']'); 12187 return buf.toString(); 12188 } 12189 12190 static class DumpState { 12191 public static final int DUMP_LIBS = 1 << 0; 12192 public static final int DUMP_FEATURES = 1 << 1; 12193 public static final int DUMP_RESOLVERS = 1 << 2; 12194 public static final int DUMP_PERMISSIONS = 1 << 3; 12195 public static final int DUMP_PACKAGES = 1 << 4; 12196 public static final int DUMP_SHARED_USERS = 1 << 5; 12197 public static final int DUMP_MESSAGES = 1 << 6; 12198 public static final int DUMP_PROVIDERS = 1 << 7; 12199 public static final int DUMP_VERIFIERS = 1 << 8; 12200 public static final int DUMP_PREFERRED = 1 << 9; 12201 public static final int DUMP_PREFERRED_XML = 1 << 10; 12202 public static final int DUMP_KEYSETS = 1 << 11; 12203 public static final int DUMP_VERSION = 1 << 12; 12204 public static final int DUMP_INSTALLS = 1 << 13; 12205 12206 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12207 12208 private int mTypes; 12209 12210 private int mOptions; 12211 12212 private boolean mTitlePrinted; 12213 12214 private SharedUserSetting mSharedUser; 12215 12216 public boolean isDumping(int type) { 12217 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12218 return true; 12219 } 12220 12221 return (mTypes & type) != 0; 12222 } 12223 12224 public void setDump(int type) { 12225 mTypes |= type; 12226 } 12227 12228 public boolean isOptionEnabled(int option) { 12229 return (mOptions & option) != 0; 12230 } 12231 12232 public void setOptionEnabled(int option) { 12233 mOptions |= option; 12234 } 12235 12236 public boolean onTitlePrinted() { 12237 final boolean printed = mTitlePrinted; 12238 mTitlePrinted = true; 12239 return printed; 12240 } 12241 12242 public boolean getTitlePrinted() { 12243 return mTitlePrinted; 12244 } 12245 12246 public void setTitlePrinted(boolean enabled) { 12247 mTitlePrinted = enabled; 12248 } 12249 12250 public SharedUserSetting getSharedUser() { 12251 return mSharedUser; 12252 } 12253 12254 public void setSharedUser(SharedUserSetting user) { 12255 mSharedUser = user; 12256 } 12257 } 12258 12259 @Override 12260 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12261 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12262 != PackageManager.PERMISSION_GRANTED) { 12263 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12264 + Binder.getCallingPid() 12265 + ", uid=" + Binder.getCallingUid() 12266 + " without permission " 12267 + android.Manifest.permission.DUMP); 12268 return; 12269 } 12270 12271 DumpState dumpState = new DumpState(); 12272 boolean fullPreferred = false; 12273 boolean checkin = false; 12274 12275 String packageName = null; 12276 12277 int opti = 0; 12278 while (opti < args.length) { 12279 String opt = args[opti]; 12280 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12281 break; 12282 } 12283 opti++; 12284 12285 if ("-a".equals(opt)) { 12286 // Right now we only know how to print all. 12287 } else if ("-h".equals(opt)) { 12288 pw.println("Package manager dump options:"); 12289 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12290 pw.println(" --checkin: dump for a checkin"); 12291 pw.println(" -f: print details of intent filters"); 12292 pw.println(" -h: print this help"); 12293 pw.println(" cmd may be one of:"); 12294 pw.println(" l[ibraries]: list known shared libraries"); 12295 pw.println(" f[ibraries]: list device features"); 12296 pw.println(" k[eysets]: print known keysets"); 12297 pw.println(" r[esolvers]: dump intent resolvers"); 12298 pw.println(" perm[issions]: dump permissions"); 12299 pw.println(" pref[erred]: print preferred package settings"); 12300 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12301 pw.println(" prov[iders]: dump content providers"); 12302 pw.println(" p[ackages]: dump installed packages"); 12303 pw.println(" s[hared-users]: dump shared user IDs"); 12304 pw.println(" m[essages]: print collected runtime messages"); 12305 pw.println(" v[erifiers]: print package verifier info"); 12306 pw.println(" version: print database version info"); 12307 pw.println(" write: write current settings now"); 12308 pw.println(" <package.name>: info about given package"); 12309 pw.println(" installs: details about install sessions"); 12310 return; 12311 } else if ("--checkin".equals(opt)) { 12312 checkin = true; 12313 } else if ("-f".equals(opt)) { 12314 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12315 } else { 12316 pw.println("Unknown argument: " + opt + "; use -h for help"); 12317 } 12318 } 12319 12320 // Is the caller requesting to dump a particular piece of data? 12321 if (opti < args.length) { 12322 String cmd = args[opti]; 12323 opti++; 12324 // Is this a package name? 12325 if ("android".equals(cmd) || cmd.contains(".")) { 12326 packageName = cmd; 12327 // When dumping a single package, we always dump all of its 12328 // filter information since the amount of data will be reasonable. 12329 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12330 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12331 dumpState.setDump(DumpState.DUMP_LIBS); 12332 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12333 dumpState.setDump(DumpState.DUMP_FEATURES); 12334 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12335 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12336 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12337 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12338 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12339 dumpState.setDump(DumpState.DUMP_PREFERRED); 12340 } else if ("preferred-xml".equals(cmd)) { 12341 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12342 if (opti < args.length && "--full".equals(args[opti])) { 12343 fullPreferred = true; 12344 opti++; 12345 } 12346 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12347 dumpState.setDump(DumpState.DUMP_PACKAGES); 12348 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12349 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12350 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12351 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12352 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12353 dumpState.setDump(DumpState.DUMP_MESSAGES); 12354 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12355 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12356 } else if ("version".equals(cmd)) { 12357 dumpState.setDump(DumpState.DUMP_VERSION); 12358 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12359 dumpState.setDump(DumpState.DUMP_KEYSETS); 12360 } else if ("installs".equals(cmd)) { 12361 dumpState.setDump(DumpState.DUMP_INSTALLS); 12362 } else if ("write".equals(cmd)) { 12363 synchronized (mPackages) { 12364 mSettings.writeLPr(); 12365 pw.println("Settings written."); 12366 return; 12367 } 12368 } 12369 } 12370 12371 if (checkin) { 12372 pw.println("vers,1"); 12373 } 12374 12375 // reader 12376 synchronized (mPackages) { 12377 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12378 if (!checkin) { 12379 if (dumpState.onTitlePrinted()) 12380 pw.println(); 12381 pw.println("Database versions:"); 12382 pw.print(" SDK Version:"); 12383 pw.print(" internal="); 12384 pw.print(mSettings.mInternalSdkPlatform); 12385 pw.print(" external="); 12386 pw.println(mSettings.mExternalSdkPlatform); 12387 pw.print(" DB Version:"); 12388 pw.print(" internal="); 12389 pw.print(mSettings.mInternalDatabaseVersion); 12390 pw.print(" external="); 12391 pw.println(mSettings.mExternalDatabaseVersion); 12392 } 12393 } 12394 12395 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12396 if (!checkin) { 12397 if (dumpState.onTitlePrinted()) 12398 pw.println(); 12399 pw.println("Verifiers:"); 12400 pw.print(" Required: "); 12401 pw.print(mRequiredVerifierPackage); 12402 pw.print(" (uid="); 12403 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12404 pw.println(")"); 12405 } else if (mRequiredVerifierPackage != null) { 12406 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12407 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12408 } 12409 } 12410 12411 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12412 boolean printedHeader = false; 12413 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12414 while (it.hasNext()) { 12415 String name = it.next(); 12416 SharedLibraryEntry ent = mSharedLibraries.get(name); 12417 if (!checkin) { 12418 if (!printedHeader) { 12419 if (dumpState.onTitlePrinted()) 12420 pw.println(); 12421 pw.println("Libraries:"); 12422 printedHeader = true; 12423 } 12424 pw.print(" "); 12425 } else { 12426 pw.print("lib,"); 12427 } 12428 pw.print(name); 12429 if (!checkin) { 12430 pw.print(" -> "); 12431 } 12432 if (ent.path != null) { 12433 if (!checkin) { 12434 pw.print("(jar) "); 12435 pw.print(ent.path); 12436 } else { 12437 pw.print(",jar,"); 12438 pw.print(ent.path); 12439 } 12440 } else { 12441 if (!checkin) { 12442 pw.print("(apk) "); 12443 pw.print(ent.apk); 12444 } else { 12445 pw.print(",apk,"); 12446 pw.print(ent.apk); 12447 } 12448 } 12449 pw.println(); 12450 } 12451 } 12452 12453 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12454 if (dumpState.onTitlePrinted()) 12455 pw.println(); 12456 if (!checkin) { 12457 pw.println("Features:"); 12458 } 12459 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12460 while (it.hasNext()) { 12461 String name = it.next(); 12462 if (!checkin) { 12463 pw.print(" "); 12464 } else { 12465 pw.print("feat,"); 12466 } 12467 pw.println(name); 12468 } 12469 } 12470 12471 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12472 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12473 : "Activity Resolver Table:", " ", packageName, 12474 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12475 dumpState.setTitlePrinted(true); 12476 } 12477 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12478 : "Receiver Resolver Table:", " ", packageName, 12479 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12480 dumpState.setTitlePrinted(true); 12481 } 12482 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12483 : "Service Resolver Table:", " ", packageName, 12484 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12485 dumpState.setTitlePrinted(true); 12486 } 12487 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12488 : "Provider Resolver Table:", " ", packageName, 12489 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12490 dumpState.setTitlePrinted(true); 12491 } 12492 } 12493 12494 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12495 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12496 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12497 int user = mSettings.mPreferredActivities.keyAt(i); 12498 if (pir.dump(pw, 12499 dumpState.getTitlePrinted() 12500 ? "\nPreferred Activities User " + user + ":" 12501 : "Preferred Activities User " + user + ":", " ", 12502 packageName, true)) { 12503 dumpState.setTitlePrinted(true); 12504 } 12505 } 12506 } 12507 12508 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12509 pw.flush(); 12510 FileOutputStream fout = new FileOutputStream(fd); 12511 BufferedOutputStream str = new BufferedOutputStream(fout); 12512 XmlSerializer serializer = new FastXmlSerializer(); 12513 try { 12514 serializer.setOutput(str, "utf-8"); 12515 serializer.startDocument(null, true); 12516 serializer.setFeature( 12517 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12518 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12519 serializer.endDocument(); 12520 serializer.flush(); 12521 } catch (IllegalArgumentException e) { 12522 pw.println("Failed writing: " + e); 12523 } catch (IllegalStateException e) { 12524 pw.println("Failed writing: " + e); 12525 } catch (IOException e) { 12526 pw.println("Failed writing: " + e); 12527 } 12528 } 12529 12530 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12531 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12532 if (packageName == null) { 12533 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12534 if (iperm == 0) { 12535 if (dumpState.onTitlePrinted()) 12536 pw.println(); 12537 pw.println("AppOp Permissions:"); 12538 } 12539 pw.print(" AppOp Permission "); 12540 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12541 pw.println(":"); 12542 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12543 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12544 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12545 } 12546 } 12547 } 12548 } 12549 12550 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12551 boolean printedSomething = false; 12552 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12553 if (packageName != null && !packageName.equals(p.info.packageName)) { 12554 continue; 12555 } 12556 if (!printedSomething) { 12557 if (dumpState.onTitlePrinted()) 12558 pw.println(); 12559 pw.println("Registered ContentProviders:"); 12560 printedSomething = true; 12561 } 12562 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12563 pw.print(" "); pw.println(p.toString()); 12564 } 12565 printedSomething = false; 12566 for (Map.Entry<String, PackageParser.Provider> entry : 12567 mProvidersByAuthority.entrySet()) { 12568 PackageParser.Provider p = entry.getValue(); 12569 if (packageName != null && !packageName.equals(p.info.packageName)) { 12570 continue; 12571 } 12572 if (!printedSomething) { 12573 if (dumpState.onTitlePrinted()) 12574 pw.println(); 12575 pw.println("ContentProvider Authorities:"); 12576 printedSomething = true; 12577 } 12578 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12579 pw.print(" "); pw.println(p.toString()); 12580 if (p.info != null && p.info.applicationInfo != null) { 12581 final String appInfo = p.info.applicationInfo.toString(); 12582 pw.print(" applicationInfo="); pw.println(appInfo); 12583 } 12584 } 12585 } 12586 12587 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12588 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12589 } 12590 12591 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12592 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12593 } 12594 12595 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12596 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12597 } 12598 12599 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12600 // XXX should handle packageName != null by dumping only install data that 12601 // the given package is involved with. 12602 if (dumpState.onTitlePrinted()) pw.println(); 12603 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12604 } 12605 12606 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12607 if (dumpState.onTitlePrinted()) pw.println(); 12608 mSettings.dumpReadMessagesLPr(pw, dumpState); 12609 12610 pw.println(); 12611 pw.println("Package warning messages:"); 12612 final File fname = getSettingsProblemFile(); 12613 FileInputStream in = null; 12614 try { 12615 in = new FileInputStream(fname); 12616 final int avail = in.available(); 12617 final byte[] data = new byte[avail]; 12618 in.read(data); 12619 pw.print(new String(data)); 12620 } catch (FileNotFoundException e) { 12621 } catch (IOException e) { 12622 } finally { 12623 if (in != null) { 12624 try { 12625 in.close(); 12626 } catch (IOException e) { 12627 } 12628 } 12629 } 12630 } 12631 12632 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12633 BufferedReader in = null; 12634 String line = null; 12635 try { 12636 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12637 while ((line = in.readLine()) != null) { 12638 pw.print("msg,"); 12639 pw.println(line); 12640 } 12641 } catch (IOException ignored) { 12642 } finally { 12643 IoUtils.closeQuietly(in); 12644 } 12645 } 12646 } 12647 } 12648 12649 // ------- apps on sdcard specific code ------- 12650 static final boolean DEBUG_SD_INSTALL = false; 12651 12652 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12653 12654 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12655 12656 private boolean mMediaMounted = false; 12657 12658 static String getEncryptKey() { 12659 try { 12660 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12661 SD_ENCRYPTION_KEYSTORE_NAME); 12662 if (sdEncKey == null) { 12663 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12664 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12665 if (sdEncKey == null) { 12666 Slog.e(TAG, "Failed to create encryption keys"); 12667 return null; 12668 } 12669 } 12670 return sdEncKey; 12671 } catch (NoSuchAlgorithmException nsae) { 12672 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12673 return null; 12674 } catch (IOException ioe) { 12675 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12676 return null; 12677 } 12678 } 12679 12680 /* 12681 * Update media status on PackageManager. 12682 */ 12683 @Override 12684 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12685 int callingUid = Binder.getCallingUid(); 12686 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12687 throw new SecurityException("Media status can only be updated by the system"); 12688 } 12689 // reader; this apparently protects mMediaMounted, but should probably 12690 // be a different lock in that case. 12691 synchronized (mPackages) { 12692 Log.i(TAG, "Updating external media status from " 12693 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12694 + (mediaStatus ? "mounted" : "unmounted")); 12695 if (DEBUG_SD_INSTALL) 12696 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12697 + ", mMediaMounted=" + mMediaMounted); 12698 if (mediaStatus == mMediaMounted) { 12699 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12700 : 0, -1); 12701 mHandler.sendMessage(msg); 12702 return; 12703 } 12704 mMediaMounted = mediaStatus; 12705 } 12706 // Queue up an async operation since the package installation may take a 12707 // little while. 12708 mHandler.post(new Runnable() { 12709 public void run() { 12710 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12711 } 12712 }); 12713 } 12714 12715 /** 12716 * Called by MountService when the initial ASECs to scan are available. 12717 * Should block until all the ASEC containers are finished being scanned. 12718 */ 12719 public void scanAvailableAsecs() { 12720 updateExternalMediaStatusInner(true, false, false); 12721 if (mShouldRestoreconData) { 12722 SELinuxMMAC.setRestoreconDone(); 12723 mShouldRestoreconData = false; 12724 } 12725 } 12726 12727 /* 12728 * Collect information of applications on external media, map them against 12729 * existing containers and update information based on current mount status. 12730 * Please note that we always have to report status if reportStatus has been 12731 * set to true especially when unloading packages. 12732 */ 12733 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12734 boolean externalStorage) { 12735 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12736 int[] uidArr = EmptyArray.INT; 12737 12738 final String[] list = PackageHelper.getSecureContainerList(); 12739 if (ArrayUtils.isEmpty(list)) { 12740 Log.i(TAG, "No secure containers found"); 12741 } else { 12742 // Process list of secure containers and categorize them 12743 // as active or stale based on their package internal state. 12744 12745 // reader 12746 synchronized (mPackages) { 12747 for (String cid : list) { 12748 // Leave stages untouched for now; installer service owns them 12749 if (PackageInstallerService.isStageName(cid)) continue; 12750 12751 if (DEBUG_SD_INSTALL) 12752 Log.i(TAG, "Processing container " + cid); 12753 String pkgName = getAsecPackageName(cid); 12754 if (pkgName == null) { 12755 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12756 continue; 12757 } 12758 if (DEBUG_SD_INSTALL) 12759 Log.i(TAG, "Looking for pkg : " + pkgName); 12760 12761 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12762 if (ps == null) { 12763 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12764 continue; 12765 } 12766 12767 /* 12768 * Skip packages that are not external if we're unmounting 12769 * external storage. 12770 */ 12771 if (externalStorage && !isMounted && !isExternal(ps)) { 12772 continue; 12773 } 12774 12775 final AsecInstallArgs args = new AsecInstallArgs(cid, 12776 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12777 // The package status is changed only if the code path 12778 // matches between settings and the container id. 12779 if (ps.codePathString != null 12780 && ps.codePathString.startsWith(args.getCodePath())) { 12781 if (DEBUG_SD_INSTALL) { 12782 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12783 + " at code path: " + ps.codePathString); 12784 } 12785 12786 // We do have a valid package installed on sdcard 12787 processCids.put(args, ps.codePathString); 12788 final int uid = ps.appId; 12789 if (uid != -1) { 12790 uidArr = ArrayUtils.appendInt(uidArr, uid); 12791 } 12792 } else { 12793 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12794 + ps.codePathString); 12795 } 12796 } 12797 } 12798 12799 Arrays.sort(uidArr); 12800 } 12801 12802 // Process packages with valid entries. 12803 if (isMounted) { 12804 if (DEBUG_SD_INSTALL) 12805 Log.i(TAG, "Loading packages"); 12806 loadMediaPackages(processCids, uidArr); 12807 startCleaningPackages(); 12808 mInstallerService.onSecureContainersAvailable(); 12809 } else { 12810 if (DEBUG_SD_INSTALL) 12811 Log.i(TAG, "Unloading packages"); 12812 unloadMediaPackages(processCids, uidArr, reportStatus); 12813 } 12814 } 12815 12816 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12817 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12818 int size = pkgList.size(); 12819 if (size > 0) { 12820 // Send broadcasts here 12821 Bundle extras = new Bundle(); 12822 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12823 .toArray(new String[size])); 12824 if (uidArr != null) { 12825 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12826 } 12827 if (replacing) { 12828 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12829 } 12830 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12831 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12832 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12833 } 12834 } 12835 12836 /* 12837 * Look at potentially valid container ids from processCids If package 12838 * information doesn't match the one on record or package scanning fails, 12839 * the cid is added to list of removeCids. We currently don't delete stale 12840 * containers. 12841 */ 12842 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12843 ArrayList<String> pkgList = new ArrayList<String>(); 12844 Set<AsecInstallArgs> keys = processCids.keySet(); 12845 12846 for (AsecInstallArgs args : keys) { 12847 String codePath = processCids.get(args); 12848 if (DEBUG_SD_INSTALL) 12849 Log.i(TAG, "Loading container : " + args.cid); 12850 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12851 try { 12852 // Make sure there are no container errors first. 12853 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12854 Slog.e(TAG, "Failed to mount cid : " + args.cid 12855 + " when installing from sdcard"); 12856 continue; 12857 } 12858 // Check code path here. 12859 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12860 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12861 + " does not match one in settings " + codePath); 12862 continue; 12863 } 12864 // Parse package 12865 int parseFlags = mDefParseFlags; 12866 if (args.isExternal()) { 12867 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12868 } 12869 if (args.isFwdLocked()) { 12870 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12871 } 12872 12873 synchronized (mInstallLock) { 12874 PackageParser.Package pkg = null; 12875 try { 12876 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12877 } catch (PackageManagerException e) { 12878 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12879 } 12880 // Scan the package 12881 if (pkg != null) { 12882 /* 12883 * TODO why is the lock being held? doPostInstall is 12884 * called in other places without the lock. This needs 12885 * to be straightened out. 12886 */ 12887 // writer 12888 synchronized (mPackages) { 12889 retCode = PackageManager.INSTALL_SUCCEEDED; 12890 pkgList.add(pkg.packageName); 12891 // Post process args 12892 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12893 pkg.applicationInfo.uid); 12894 } 12895 } else { 12896 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12897 } 12898 } 12899 12900 } finally { 12901 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12902 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12903 } 12904 } 12905 } 12906 // writer 12907 synchronized (mPackages) { 12908 // If the platform SDK has changed since the last time we booted, 12909 // we need to re-grant app permission to catch any new ones that 12910 // appear. This is really a hack, and means that apps can in some 12911 // cases get permissions that the user didn't initially explicitly 12912 // allow... it would be nice to have some better way to handle 12913 // this situation. 12914 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12915 if (regrantPermissions) 12916 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12917 + mSdkVersion + "; regranting permissions for external storage"); 12918 mSettings.mExternalSdkPlatform = mSdkVersion; 12919 12920 // Make sure group IDs have been assigned, and any permission 12921 // changes in other apps are accounted for 12922 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12923 | (regrantPermissions 12924 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12925 : 0)); 12926 12927 mSettings.updateExternalDatabaseVersion(); 12928 12929 // can downgrade to reader 12930 // Persist settings 12931 mSettings.writeLPr(); 12932 } 12933 // Send a broadcast to let everyone know we are done processing 12934 if (pkgList.size() > 0) { 12935 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12936 } 12937 } 12938 12939 /* 12940 * Utility method to unload a list of specified containers 12941 */ 12942 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12943 // Just unmount all valid containers. 12944 for (AsecInstallArgs arg : cidArgs) { 12945 synchronized (mInstallLock) { 12946 arg.doPostDeleteLI(false); 12947 } 12948 } 12949 } 12950 12951 /* 12952 * Unload packages mounted on external media. This involves deleting package 12953 * data from internal structures, sending broadcasts about diabled packages, 12954 * gc'ing to free up references, unmounting all secure containers 12955 * corresponding to packages on external media, and posting a 12956 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12957 * that we always have to post this message if status has been requested no 12958 * matter what. 12959 */ 12960 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12961 final boolean reportStatus) { 12962 if (DEBUG_SD_INSTALL) 12963 Log.i(TAG, "unloading media packages"); 12964 ArrayList<String> pkgList = new ArrayList<String>(); 12965 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12966 final Set<AsecInstallArgs> keys = processCids.keySet(); 12967 for (AsecInstallArgs args : keys) { 12968 String pkgName = args.getPackageName(); 12969 if (DEBUG_SD_INSTALL) 12970 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12971 // Delete package internally 12972 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12973 synchronized (mInstallLock) { 12974 boolean res = deletePackageLI(pkgName, null, false, null, null, 12975 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12976 if (res) { 12977 pkgList.add(pkgName); 12978 } else { 12979 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12980 failedList.add(args); 12981 } 12982 } 12983 } 12984 12985 // reader 12986 synchronized (mPackages) { 12987 // We didn't update the settings after removing each package; 12988 // write them now for all packages. 12989 mSettings.writeLPr(); 12990 } 12991 12992 // We have to absolutely send UPDATED_MEDIA_STATUS only 12993 // after confirming that all the receivers processed the ordered 12994 // broadcast when packages get disabled, force a gc to clean things up. 12995 // and unload all the containers. 12996 if (pkgList.size() > 0) { 12997 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12998 new IIntentReceiver.Stub() { 12999 public void performReceive(Intent intent, int resultCode, String data, 13000 Bundle extras, boolean ordered, boolean sticky, 13001 int sendingUser) throws RemoteException { 13002 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13003 reportStatus ? 1 : 0, 1, keys); 13004 mHandler.sendMessage(msg); 13005 } 13006 }); 13007 } else { 13008 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13009 keys); 13010 mHandler.sendMessage(msg); 13011 } 13012 } 13013 13014 /** Binder call */ 13015 @Override 13016 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13017 final int flags) { 13018 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13019 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13020 int returnCode = PackageManager.MOVE_SUCCEEDED; 13021 int currInstallFlags = 0; 13022 int newInstallFlags = 0; 13023 13024 File codeFile = null; 13025 String installerPackageName = null; 13026 String packageAbiOverride = null; 13027 13028 // reader 13029 synchronized (mPackages) { 13030 final PackageParser.Package pkg = mPackages.get(packageName); 13031 final PackageSetting ps = mSettings.mPackages.get(packageName); 13032 if (pkg == null || ps == null) { 13033 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13034 } else { 13035 // Disable moving fwd locked apps and system packages 13036 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13037 Slog.w(TAG, "Cannot move system application"); 13038 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13039 } else if (pkg.mOperationPending) { 13040 Slog.w(TAG, "Attempt to move package which has pending operations"); 13041 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13042 } else { 13043 // Find install location first 13044 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13045 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13046 Slog.w(TAG, "Ambigous flags specified for move location."); 13047 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13048 } else { 13049 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13050 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13051 currInstallFlags = isExternal(pkg) 13052 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13053 13054 if (newInstallFlags == currInstallFlags) { 13055 Slog.w(TAG, "No move required. Trying to move to same location"); 13056 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13057 } else { 13058 if (isForwardLocked(pkg)) { 13059 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13060 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13061 } 13062 } 13063 } 13064 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13065 pkg.mOperationPending = true; 13066 } 13067 } 13068 13069 codeFile = new File(pkg.codePath); 13070 installerPackageName = ps.installerPackageName; 13071 packageAbiOverride = ps.cpuAbiOverrideString; 13072 } 13073 } 13074 13075 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13076 try { 13077 observer.packageMoved(packageName, returnCode); 13078 } catch (RemoteException ignored) { 13079 } 13080 return; 13081 } 13082 13083 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13084 @Override 13085 public void onUserActionRequired(Intent intent) throws RemoteException { 13086 throw new IllegalStateException(); 13087 } 13088 13089 @Override 13090 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13091 Bundle extras) throws RemoteException { 13092 Slog.d(TAG, "Install result for move: " 13093 + PackageManager.installStatusToString(returnCode, msg)); 13094 13095 // We usually have a new package now after the install, but if 13096 // we failed we need to clear the pending flag on the original 13097 // package object. 13098 synchronized (mPackages) { 13099 final PackageParser.Package pkg = mPackages.get(packageName); 13100 if (pkg != null) { 13101 pkg.mOperationPending = false; 13102 } 13103 } 13104 13105 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13106 switch (status) { 13107 case PackageInstaller.STATUS_SUCCESS: 13108 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13109 break; 13110 case PackageInstaller.STATUS_FAILURE_STORAGE: 13111 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13112 break; 13113 default: 13114 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13115 break; 13116 } 13117 } 13118 }; 13119 13120 // Treat a move like reinstalling an existing app, which ensures that we 13121 // process everythign uniformly, like unpacking native libraries. 13122 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13123 13124 final Message msg = mHandler.obtainMessage(INIT_COPY); 13125 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13126 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13127 installerPackageName, null, user, packageAbiOverride); 13128 mHandler.sendMessage(msg); 13129 } 13130 13131 @Override 13132 public boolean setInstallLocation(int loc) { 13133 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13134 null); 13135 if (getInstallLocation() == loc) { 13136 return true; 13137 } 13138 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13139 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13140 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13141 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13142 return true; 13143 } 13144 return false; 13145 } 13146 13147 @Override 13148 public int getInstallLocation() { 13149 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13150 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13151 PackageHelper.APP_INSTALL_AUTO); 13152 } 13153 13154 /** Called by UserManagerService */ 13155 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13156 mDirtyUsers.remove(userHandle); 13157 mSettings.removeUserLPw(userHandle); 13158 mPendingBroadcasts.remove(userHandle); 13159 if (mInstaller != null) { 13160 // Technically, we shouldn't be doing this with the package lock 13161 // held. However, this is very rare, and there is already so much 13162 // other disk I/O going on, that we'll let it slide for now. 13163 mInstaller.removeUserDataDirs(userHandle); 13164 } 13165 mUserNeedsBadging.delete(userHandle); 13166 removeUnusedPackagesLILPw(userManager, userHandle); 13167 } 13168 13169 /** 13170 * We're removing userHandle and would like to remove any downloaded packages 13171 * that are no longer in use by any other user. 13172 * @param userHandle the user being removed 13173 */ 13174 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13175 final boolean DEBUG_CLEAN_APKS = false; 13176 int [] users = userManager.getUserIdsLPr(); 13177 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13178 while (psit.hasNext()) { 13179 PackageSetting ps = psit.next(); 13180 if (ps.pkg == null) { 13181 continue; 13182 } 13183 final String packageName = ps.pkg.packageName; 13184 // Skip over if system app 13185 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13186 continue; 13187 } 13188 if (DEBUG_CLEAN_APKS) { 13189 Slog.i(TAG, "Checking package " + packageName); 13190 } 13191 boolean keep = false; 13192 for (int i = 0; i < users.length; i++) { 13193 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13194 keep = true; 13195 if (DEBUG_CLEAN_APKS) { 13196 Slog.i(TAG, " Keeping package " + packageName + " for user " 13197 + users[i]); 13198 } 13199 break; 13200 } 13201 } 13202 if (!keep) { 13203 if (DEBUG_CLEAN_APKS) { 13204 Slog.i(TAG, " Removing package " + packageName); 13205 } 13206 mHandler.post(new Runnable() { 13207 public void run() { 13208 deletePackageX(packageName, userHandle, 0); 13209 } //end run 13210 }); 13211 } 13212 } 13213 } 13214 13215 /** Called by UserManagerService */ 13216 void createNewUserLILPw(int userHandle, File path) { 13217 if (mInstaller != null) { 13218 mInstaller.createUserConfig(userHandle); 13219 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13220 } 13221 } 13222 13223 @Override 13224 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13225 mContext.enforceCallingOrSelfPermission( 13226 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13227 "Only package verification agents can read the verifier device identity"); 13228 13229 synchronized (mPackages) { 13230 return mSettings.getVerifierDeviceIdentityLPw(); 13231 } 13232 } 13233 13234 @Override 13235 public void setPermissionEnforced(String permission, boolean enforced) { 13236 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13237 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13238 synchronized (mPackages) { 13239 if (mSettings.mReadExternalStorageEnforced == null 13240 || mSettings.mReadExternalStorageEnforced != enforced) { 13241 mSettings.mReadExternalStorageEnforced = enforced; 13242 mSettings.writeLPr(); 13243 } 13244 } 13245 // kill any non-foreground processes so we restart them and 13246 // grant/revoke the GID. 13247 final IActivityManager am = ActivityManagerNative.getDefault(); 13248 if (am != null) { 13249 final long token = Binder.clearCallingIdentity(); 13250 try { 13251 am.killProcessesBelowForeground("setPermissionEnforcement"); 13252 } catch (RemoteException e) { 13253 } finally { 13254 Binder.restoreCallingIdentity(token); 13255 } 13256 } 13257 } else { 13258 throw new IllegalArgumentException("No selective enforcement for " + permission); 13259 } 13260 } 13261 13262 @Override 13263 @Deprecated 13264 public boolean isPermissionEnforced(String permission) { 13265 return true; 13266 } 13267 13268 @Override 13269 public boolean isStorageLow() { 13270 final long token = Binder.clearCallingIdentity(); 13271 try { 13272 final DeviceStorageMonitorInternal 13273 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13274 if (dsm != null) { 13275 return dsm.isMemoryLow(); 13276 } else { 13277 return false; 13278 } 13279 } finally { 13280 Binder.restoreCallingIdentity(token); 13281 } 13282 } 13283 13284 @Override 13285 public IPackageInstaller getPackageInstaller() { 13286 return mInstallerService; 13287 } 13288 13289 private boolean userNeedsBadging(int userId) { 13290 int index = mUserNeedsBadging.indexOfKey(userId); 13291 if (index < 0) { 13292 final UserInfo userInfo; 13293 final long token = Binder.clearCallingIdentity(); 13294 try { 13295 userInfo = sUserManager.getUserInfo(userId); 13296 } finally { 13297 Binder.restoreCallingIdentity(token); 13298 } 13299 final boolean b; 13300 if (userInfo != null && userInfo.isManagedProfile()) { 13301 b = true; 13302 } else { 13303 b = false; 13304 } 13305 mUserNeedsBadging.put(userId, b); 13306 return b; 13307 } 13308 return mUserNeedsBadging.valueAt(index); 13309 } 13310 13311 @Override 13312 public KeySet getKeySetByAlias(String packageName, String alias) { 13313 if (packageName == null || alias == null) { 13314 return null; 13315 } 13316 synchronized(mPackages) { 13317 final PackageParser.Package pkg = mPackages.get(packageName); 13318 if (pkg == null) { 13319 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13320 throw new IllegalArgumentException("Unknown package: " + packageName); 13321 } 13322 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13323 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13324 } 13325 } 13326 13327 @Override 13328 public KeySet getSigningKeySet(String packageName) { 13329 if (packageName == null) { 13330 return null; 13331 } 13332 synchronized(mPackages) { 13333 final PackageParser.Package pkg = mPackages.get(packageName); 13334 if (pkg == null) { 13335 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13336 throw new IllegalArgumentException("Unknown package: " + packageName); 13337 } 13338 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13339 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13340 throw new SecurityException("May not access signing KeySet of other apps."); 13341 } 13342 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13343 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13344 } 13345 } 13346 13347 @Override 13348 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13349 if (packageName == null || ks == null) { 13350 return false; 13351 } 13352 synchronized(mPackages) { 13353 final PackageParser.Package pkg = mPackages.get(packageName); 13354 if (pkg == null) { 13355 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13356 throw new IllegalArgumentException("Unknown package: " + packageName); 13357 } 13358 IBinder ksh = ks.getToken(); 13359 if (ksh instanceof KeySetHandle) { 13360 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13361 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13362 } 13363 return false; 13364 } 13365 } 13366 13367 @Override 13368 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13369 if (packageName == null || ks == null) { 13370 return false; 13371 } 13372 synchronized(mPackages) { 13373 final PackageParser.Package pkg = mPackages.get(packageName); 13374 if (pkg == null) { 13375 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13376 throw new IllegalArgumentException("Unknown package: " + packageName); 13377 } 13378 IBinder ksh = ks.getToken(); 13379 if (ksh instanceof KeySetHandle) { 13380 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13381 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13382 } 13383 return false; 13384 } 13385 } 13386} 13387