PackageManagerService.java revision a39871ef5e9bf6703f18af0725484b06f5c78216
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.IActivityManager; 84import android.app.admin.IDevicePolicyManager; 85import android.app.backup.IBackupManager; 86import android.content.BroadcastReceiver; 87import android.content.ComponentName; 88import android.content.Context; 89import android.content.IIntentReceiver; 90import android.content.Intent; 91import android.content.IntentFilter; 92import android.content.IntentSender; 93import android.content.IntentSender.SendIntentException; 94import android.content.ServiceConnection; 95import android.content.pm.ActivityInfo; 96import android.content.pm.ApplicationInfo; 97import android.content.pm.FeatureInfo; 98import android.content.pm.IPackageDataObserver; 99import android.content.pm.IPackageDeleteObserver; 100import android.content.pm.IPackageDeleteObserver2; 101import android.content.pm.IPackageInstallObserver2; 102import android.content.pm.IPackageInstaller; 103import android.content.pm.IPackageManager; 104import android.content.pm.IPackageMoveObserver; 105import android.content.pm.IPackageStatsObserver; 106import android.content.pm.InstrumentationInfo; 107import android.content.pm.KeySet; 108import android.content.pm.ManifestDigest; 109import android.content.pm.PackageCleanItem; 110import android.content.pm.PackageInfo; 111import android.content.pm.PackageInfoLite; 112import android.content.pm.PackageInstaller; 113import android.content.pm.PackageManager; 114import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 115import android.content.pm.PackageParser.ActivityIntentInfo; 116import android.content.pm.PackageParser.PackageLite; 117import android.content.pm.PackageParser.PackageParserException; 118import android.content.pm.PackageParser; 119import android.content.pm.PackageStats; 120import android.content.pm.PackageUserState; 121import android.content.pm.ParceledListSlice; 122import android.content.pm.PermissionGroupInfo; 123import android.content.pm.PermissionInfo; 124import android.content.pm.ProviderInfo; 125import android.content.pm.ResolveInfo; 126import android.content.pm.ServiceInfo; 127import android.content.pm.Signature; 128import android.content.pm.UserInfo; 129import android.content.pm.VerificationParams; 130import android.content.pm.VerifierDeviceIdentity; 131import android.content.pm.VerifierInfo; 132import android.content.res.Resources; 133import android.hardware.display.DisplayManager; 134import android.net.Uri; 135import android.os.Binder; 136import android.os.Build; 137import android.os.Bundle; 138import android.os.Environment; 139import android.os.Environment.UserEnvironment; 140import android.os.storage.StorageManager; 141import android.os.Debug; 142import android.os.FileUtils; 143import android.os.Handler; 144import android.os.IBinder; 145import android.os.Looper; 146import android.os.Message; 147import android.os.Parcel; 148import android.os.ParcelFileDescriptor; 149import android.os.Process; 150import android.os.RemoteException; 151import android.os.SELinux; 152import android.os.ServiceManager; 153import android.os.SystemClock; 154import android.os.SystemProperties; 155import android.os.UserHandle; 156import android.os.UserManager; 157import android.security.KeyStore; 158import android.security.SystemKeyStore; 159import android.system.ErrnoException; 160import android.system.Os; 161import android.system.StructStat; 162import android.text.TextUtils; 163import android.util.ArraySet; 164import android.util.AtomicFile; 165import android.util.DisplayMetrics; 166import android.util.EventLog; 167import android.util.ExceptionUtils; 168import android.util.Log; 169import android.util.LogPrinter; 170import android.util.PrintStreamPrinter; 171import android.util.Slog; 172import android.util.SparseArray; 173import android.util.SparseBooleanArray; 174import android.view.Display; 175 176import java.io.BufferedInputStream; 177import java.io.BufferedOutputStream; 178import java.io.File; 179import java.io.FileDescriptor; 180import java.io.FileInputStream; 181import java.io.FileNotFoundException; 182import java.io.FileOutputStream; 183import java.io.FilenameFilter; 184import java.io.IOException; 185import java.io.InputStream; 186import java.io.PrintWriter; 187import java.nio.charset.StandardCharsets; 188import java.security.NoSuchAlgorithmException; 189import java.security.PublicKey; 190import java.security.cert.CertificateEncodingException; 191import java.security.cert.CertificateException; 192import java.text.SimpleDateFormat; 193import java.util.ArrayList; 194import java.util.Arrays; 195import java.util.Collection; 196import java.util.Collections; 197import java.util.Comparator; 198import java.util.Date; 199import java.util.HashMap; 200import java.util.HashSet; 201import java.util.Iterator; 202import java.util.List; 203import java.util.Map; 204import java.util.Objects; 205import java.util.Set; 206import java.util.concurrent.atomic.AtomicBoolean; 207import java.util.concurrent.atomic.AtomicLong; 208 209import dalvik.system.DexFile; 210import dalvik.system.StaleDexCacheError; 211import dalvik.system.VMRuntime; 212 213import libcore.io.IoUtils; 214import libcore.util.EmptyArray; 215 216/** 217 * Keep track of all those .apks everywhere. 218 * 219 * This is very central to the platform's security; please run the unit 220 * tests whenever making modifications here: 221 * 222mmm frameworks/base/tests/AndroidTests 223adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 224adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 225 * 226 * {@hide} 227 */ 228public class PackageManagerService extends IPackageManager.Stub { 229 static final String TAG = "PackageManager"; 230 static final boolean DEBUG_SETTINGS = false; 231 static final boolean DEBUG_PREFERRED = false; 232 static final boolean DEBUG_UPGRADE = false; 233 private static final boolean DEBUG_INSTALL = false; 234 private static final boolean DEBUG_REMOVE = false; 235 private static final boolean DEBUG_BROADCASTS = false; 236 private static final boolean DEBUG_SHOW_INFO = false; 237 private static final boolean DEBUG_PACKAGE_INFO = false; 238 private static final boolean DEBUG_INTENT_MATCHING = false; 239 private static final boolean DEBUG_PACKAGE_SCANNING = false; 240 private static final boolean DEBUG_VERIFY = false; 241 private static final boolean DEBUG_DEXOPT = false; 242 private static final boolean DEBUG_ABI_SELECTION = false; 243 244 private static final int RADIO_UID = Process.PHONE_UID; 245 private static final int LOG_UID = Process.LOG_UID; 246 private static final int NFC_UID = Process.NFC_UID; 247 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 248 private static final int SHELL_UID = Process.SHELL_UID; 249 250 // Cap the size of permission trees that 3rd party apps can define 251 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 252 253 // Suffix used during package installation when copying/moving 254 // package apks to install directory. 255 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 256 257 static final int SCAN_NO_DEX = 1<<1; 258 static final int SCAN_FORCE_DEX = 1<<2; 259 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 260 static final int SCAN_NEW_INSTALL = 1<<4; 261 static final int SCAN_NO_PATHS = 1<<5; 262 static final int SCAN_UPDATE_TIME = 1<<6; 263 static final int SCAN_DEFER_DEX = 1<<7; 264 static final int SCAN_BOOTING = 1<<8; 265 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 266 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 267 static final int SCAN_REPLACING = 1<<11; 268 269 static final int REMOVE_CHATTY = 1<<16; 270 271 /** 272 * Timeout (in milliseconds) after which the watchdog should declare that 273 * our handler thread is wedged. The usual default for such things is one 274 * minute but we sometimes do very lengthy I/O operations on this thread, 275 * such as installing multi-gigabyte applications, so ours needs to be longer. 276 */ 277 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 278 279 /** 280 * Whether verification is enabled by default. 281 */ 282 private static final boolean DEFAULT_VERIFY_ENABLE = true; 283 284 /** 285 * The default maximum time to wait for the verification agent to return in 286 * milliseconds. 287 */ 288 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 289 290 /** 291 * The default response for package verification timeout. 292 * 293 * This can be either PackageManager.VERIFICATION_ALLOW or 294 * PackageManager.VERIFICATION_REJECT. 295 */ 296 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 297 298 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 299 300 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 301 DEFAULT_CONTAINER_PACKAGE, 302 "com.android.defcontainer.DefaultContainerService"); 303 304 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 305 306 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 307 308 private static String sPreferredInstructionSet; 309 310 final ServiceThread mHandlerThread; 311 312 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 313 private static final String IDMAP_SUFFIX = "@idmap"; 314 315 final PackageHandler mHandler; 316 317 /** 318 * Messages for {@link #mHandler} that need to wait for system ready before 319 * being dispatched. 320 */ 321 private ArrayList<Message> mPostSystemReadyMessages; 322 323 final int mSdkVersion = Build.VERSION.SDK_INT; 324 325 final Context mContext; 326 final boolean mFactoryTest; 327 final boolean mOnlyCore; 328 final boolean mLazyDexOpt; 329 final DisplayMetrics mMetrics; 330 final int mDefParseFlags; 331 final String[] mSeparateProcesses; 332 333 // This is where all application persistent data goes. 334 final File mAppDataDir; 335 336 // This is where all application persistent data goes for secondary users. 337 final File mUserAppDataDir; 338 339 /** The location for ASEC container files on internal storage. */ 340 final String mAsecInternalPath; 341 342 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 343 // LOCK HELD. Can be called with mInstallLock held. 344 final Installer mInstaller; 345 346 /** Directory where installed third-party apps stored */ 347 final File mAppInstallDir; 348 349 /** 350 * Directory to which applications installed internally have their 351 * 32 bit native libraries copied. 352 */ 353 private File mAppLib32InstallDir; 354 355 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 356 // apps. 357 final File mDrmAppPrivateInstallDir; 358 359 // ---------------------------------------------------------------- 360 361 // Lock for state used when installing and doing other long running 362 // operations. Methods that must be called with this lock held have 363 // the suffix "LI". 364 final Object mInstallLock = new Object(); 365 366 // ---------------------------------------------------------------- 367 368 // Keys are String (package name), values are Package. This also serves 369 // as the lock for the global state. Methods that must be called with 370 // this lock held have the prefix "LP". 371 final HashMap<String, PackageParser.Package> mPackages = 372 new HashMap<String, PackageParser.Package>(); 373 374 // Tracks available target package names -> overlay package paths. 375 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 376 new HashMap<String, HashMap<String, PackageParser.Package>>(); 377 378 final Settings mSettings; 379 boolean mRestoredSettings; 380 381 // System configuration read by SystemConfig. 382 final int[] mGlobalGids; 383 final SparseArray<HashSet<String>> mSystemPermissions; 384 final HashMap<String, FeatureInfo> mAvailableFeatures; 385 386 // If mac_permissions.xml was found for seinfo labeling. 387 boolean mFoundPolicyFile; 388 389 // If a recursive restorecon of /data/data/<pkg> is needed. 390 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 391 392 public static final class SharedLibraryEntry { 393 public final String path; 394 public final String apk; 395 396 SharedLibraryEntry(String _path, String _apk) { 397 path = _path; 398 apk = _apk; 399 } 400 } 401 402 // Currently known shared libraries. 403 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 404 new HashMap<String, SharedLibraryEntry>(); 405 406 // All available activities, for your resolving pleasure. 407 final ActivityIntentResolver mActivities = 408 new ActivityIntentResolver(); 409 410 // All available receivers, for your resolving pleasure. 411 final ActivityIntentResolver mReceivers = 412 new ActivityIntentResolver(); 413 414 // All available services, for your resolving pleasure. 415 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 416 417 // All available providers, for your resolving pleasure. 418 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 419 420 // Mapping from provider base names (first directory in content URI codePath) 421 // to the provider information. 422 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 423 new HashMap<String, PackageParser.Provider>(); 424 425 // Mapping from instrumentation class names to info about them. 426 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 427 new HashMap<ComponentName, PackageParser.Instrumentation>(); 428 429 // Mapping from permission names to info about them. 430 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 431 new HashMap<String, PackageParser.PermissionGroup>(); 432 433 // Packages whose data we have transfered into another package, thus 434 // should no longer exist. 435 final HashSet<String> mTransferedPackages = new HashSet<String>(); 436 437 // Broadcast actions that are only available to the system. 438 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 439 440 /** List of packages waiting for verification. */ 441 final SparseArray<PackageVerificationState> mPendingVerification 442 = new SparseArray<PackageVerificationState>(); 443 444 /** Set of packages associated with each app op permission. */ 445 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 446 447 final PackageInstallerService mInstallerService; 448 449 HashSet<PackageParser.Package> mDeferredDexOpt = null; 450 451 // Cache of users who need badging. 452 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 453 454 /** Token for keys in mPendingVerification. */ 455 private int mPendingVerificationToken = 0; 456 457 volatile boolean mSystemReady; 458 volatile boolean mSafeMode; 459 volatile boolean mHasSystemUidErrors; 460 461 ApplicationInfo mAndroidApplication; 462 final ActivityInfo mResolveActivity = new ActivityInfo(); 463 final ResolveInfo mResolveInfo = new ResolveInfo(); 464 ComponentName mResolveComponentName; 465 PackageParser.Package mPlatformPackage; 466 ComponentName mCustomResolverComponentName; 467 468 boolean mResolverReplaced = false; 469 470 // Set of pending broadcasts for aggregating enable/disable of components. 471 static class PendingPackageBroadcasts { 472 // for each user id, a map of <package name -> components within that package> 473 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 474 475 public PendingPackageBroadcasts() { 476 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 477 } 478 479 public ArrayList<String> get(int userId, String packageName) { 480 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 481 return packages.get(packageName); 482 } 483 484 public void put(int userId, String packageName, ArrayList<String> components) { 485 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 486 packages.put(packageName, components); 487 } 488 489 public void remove(int userId, String packageName) { 490 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 491 if (packages != null) { 492 packages.remove(packageName); 493 } 494 } 495 496 public void remove(int userId) { 497 mUidMap.remove(userId); 498 } 499 500 public int userIdCount() { 501 return mUidMap.size(); 502 } 503 504 public int userIdAt(int n) { 505 return mUidMap.keyAt(n); 506 } 507 508 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 509 return mUidMap.get(userId); 510 } 511 512 public int size() { 513 // total number of pending broadcast entries across all userIds 514 int num = 0; 515 for (int i = 0; i< mUidMap.size(); i++) { 516 num += mUidMap.valueAt(i).size(); 517 } 518 return num; 519 } 520 521 public void clear() { 522 mUidMap.clear(); 523 } 524 525 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 526 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 527 if (map == null) { 528 map = new HashMap<String, ArrayList<String>>(); 529 mUidMap.put(userId, map); 530 } 531 return map; 532 } 533 } 534 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 535 536 // Service Connection to remote media container service to copy 537 // package uri's from external media onto secure containers 538 // or internal storage. 539 private IMediaContainerService mContainerService = null; 540 541 static final int SEND_PENDING_BROADCAST = 1; 542 static final int MCS_BOUND = 3; 543 static final int END_COPY = 4; 544 static final int INIT_COPY = 5; 545 static final int MCS_UNBIND = 6; 546 static final int START_CLEANING_PACKAGE = 7; 547 static final int FIND_INSTALL_LOC = 8; 548 static final int POST_INSTALL = 9; 549 static final int MCS_RECONNECT = 10; 550 static final int MCS_GIVE_UP = 11; 551 static final int UPDATED_MEDIA_STATUS = 12; 552 static final int WRITE_SETTINGS = 13; 553 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 554 static final int PACKAGE_VERIFIED = 15; 555 static final int CHECK_PENDING_VERIFICATION = 16; 556 557 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 558 559 // Delay time in millisecs 560 static final int BROADCAST_DELAY = 10 * 1000; 561 562 static UserManagerService sUserManager; 563 564 // Stores a list of users whose package restrictions file needs to be updated 565 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 566 567 final private DefaultContainerConnection mDefContainerConn = 568 new DefaultContainerConnection(); 569 class DefaultContainerConnection implements ServiceConnection { 570 public void onServiceConnected(ComponentName name, IBinder service) { 571 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 572 IMediaContainerService imcs = 573 IMediaContainerService.Stub.asInterface(service); 574 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 575 } 576 577 public void onServiceDisconnected(ComponentName name) { 578 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 579 } 580 }; 581 582 // Recordkeeping of restore-after-install operations that are currently in flight 583 // between the Package Manager and the Backup Manager 584 class PostInstallData { 585 public InstallArgs args; 586 public PackageInstalledInfo res; 587 588 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 589 args = _a; 590 res = _r; 591 } 592 }; 593 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 594 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 595 596 private final String mRequiredVerifierPackage; 597 598 private final PackageUsage mPackageUsage = new PackageUsage(); 599 600 private class PackageUsage { 601 private static final int WRITE_INTERVAL 602 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 603 604 private final Object mFileLock = new Object(); 605 private final AtomicLong mLastWritten = new AtomicLong(0); 606 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 607 608 private boolean mIsHistoricalPackageUsageAvailable = true; 609 610 boolean isHistoricalPackageUsageAvailable() { 611 return mIsHistoricalPackageUsageAvailable; 612 } 613 614 void write(boolean force) { 615 if (force) { 616 writeInternal(); 617 return; 618 } 619 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 620 && !DEBUG_DEXOPT) { 621 return; 622 } 623 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 624 new Thread("PackageUsage_DiskWriter") { 625 @Override 626 public void run() { 627 try { 628 writeInternal(); 629 } finally { 630 mBackgroundWriteRunning.set(false); 631 } 632 } 633 }.start(); 634 } 635 } 636 637 private void writeInternal() { 638 synchronized (mPackages) { 639 synchronized (mFileLock) { 640 AtomicFile file = getFile(); 641 FileOutputStream f = null; 642 try { 643 f = file.startWrite(); 644 BufferedOutputStream out = new BufferedOutputStream(f); 645 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 646 StringBuilder sb = new StringBuilder(); 647 for (PackageParser.Package pkg : mPackages.values()) { 648 if (pkg.mLastPackageUsageTimeInMills == 0) { 649 continue; 650 } 651 sb.setLength(0); 652 sb.append(pkg.packageName); 653 sb.append(' '); 654 sb.append((long)pkg.mLastPackageUsageTimeInMills); 655 sb.append('\n'); 656 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 657 } 658 out.flush(); 659 file.finishWrite(f); 660 } catch (IOException e) { 661 if (f != null) { 662 file.failWrite(f); 663 } 664 Log.e(TAG, "Failed to write package usage times", e); 665 } 666 } 667 } 668 mLastWritten.set(SystemClock.elapsedRealtime()); 669 } 670 671 void readLP() { 672 synchronized (mFileLock) { 673 AtomicFile file = getFile(); 674 BufferedInputStream in = null; 675 try { 676 in = new BufferedInputStream(file.openRead()); 677 StringBuffer sb = new StringBuffer(); 678 while (true) { 679 String packageName = readToken(in, sb, ' '); 680 if (packageName == null) { 681 break; 682 } 683 String timeInMillisString = readToken(in, sb, '\n'); 684 if (timeInMillisString == null) { 685 throw new IOException("Failed to find last usage time for package " 686 + packageName); 687 } 688 PackageParser.Package pkg = mPackages.get(packageName); 689 if (pkg == null) { 690 continue; 691 } 692 long timeInMillis; 693 try { 694 timeInMillis = Long.parseLong(timeInMillisString.toString()); 695 } catch (NumberFormatException e) { 696 throw new IOException("Failed to parse " + timeInMillisString 697 + " as a long.", e); 698 } 699 pkg.mLastPackageUsageTimeInMills = timeInMillis; 700 } 701 } catch (FileNotFoundException expected) { 702 mIsHistoricalPackageUsageAvailable = false; 703 } catch (IOException e) { 704 Log.w(TAG, "Failed to read package usage times", e); 705 } finally { 706 IoUtils.closeQuietly(in); 707 } 708 } 709 mLastWritten.set(SystemClock.elapsedRealtime()); 710 } 711 712 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 713 throws IOException { 714 sb.setLength(0); 715 while (true) { 716 int ch = in.read(); 717 if (ch == -1) { 718 if (sb.length() == 0) { 719 return null; 720 } 721 throw new IOException("Unexpected EOF"); 722 } 723 if (ch == endOfToken) { 724 return sb.toString(); 725 } 726 sb.append((char)ch); 727 } 728 } 729 730 private AtomicFile getFile() { 731 File dataDir = Environment.getDataDirectory(); 732 File systemDir = new File(dataDir, "system"); 733 File fname = new File(systemDir, "package-usage.list"); 734 return new AtomicFile(fname); 735 } 736 } 737 738 class PackageHandler extends Handler { 739 private boolean mBound = false; 740 final ArrayList<HandlerParams> mPendingInstalls = 741 new ArrayList<HandlerParams>(); 742 743 private boolean connectToService() { 744 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 745 " DefaultContainerService"); 746 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 747 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 748 if (mContext.bindServiceAsUser(service, mDefContainerConn, 749 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 750 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 751 mBound = true; 752 return true; 753 } 754 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 755 return false; 756 } 757 758 private void disconnectService() { 759 mContainerService = null; 760 mBound = false; 761 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 762 mContext.unbindService(mDefContainerConn); 763 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 764 } 765 766 PackageHandler(Looper looper) { 767 super(looper); 768 } 769 770 public void handleMessage(Message msg) { 771 try { 772 doHandleMessage(msg); 773 } finally { 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 } 776 } 777 778 void doHandleMessage(Message msg) { 779 switch (msg.what) { 780 case INIT_COPY: { 781 HandlerParams params = (HandlerParams) msg.obj; 782 int idx = mPendingInstalls.size(); 783 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 784 // If a bind was already initiated we dont really 785 // need to do anything. The pending install 786 // will be processed later on. 787 if (!mBound) { 788 // If this is the only one pending we might 789 // have to bind to the service again. 790 if (!connectToService()) { 791 Slog.e(TAG, "Failed to bind to media container service"); 792 params.serviceError(); 793 return; 794 } else { 795 // Once we bind to the service, the first 796 // pending request will be processed. 797 mPendingInstalls.add(idx, params); 798 } 799 } else { 800 mPendingInstalls.add(idx, params); 801 // Already bound to the service. Just make 802 // sure we trigger off processing the first request. 803 if (idx == 0) { 804 mHandler.sendEmptyMessage(MCS_BOUND); 805 } 806 } 807 break; 808 } 809 case MCS_BOUND: { 810 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 811 if (msg.obj != null) { 812 mContainerService = (IMediaContainerService) msg.obj; 813 } 814 if (mContainerService == null) { 815 // Something seriously wrong. Bail out 816 Slog.e(TAG, "Cannot bind to media container service"); 817 for (HandlerParams params : mPendingInstalls) { 818 // Indicate service bind error 819 params.serviceError(); 820 } 821 mPendingInstalls.clear(); 822 } else if (mPendingInstalls.size() > 0) { 823 HandlerParams params = mPendingInstalls.get(0); 824 if (params != null) { 825 if (params.startCopy()) { 826 // We are done... look for more work or to 827 // go idle. 828 if (DEBUG_SD_INSTALL) Log.i(TAG, 829 "Checking for more work or unbind..."); 830 // Delete pending install 831 if (mPendingInstalls.size() > 0) { 832 mPendingInstalls.remove(0); 833 } 834 if (mPendingInstalls.size() == 0) { 835 if (mBound) { 836 if (DEBUG_SD_INSTALL) Log.i(TAG, 837 "Posting delayed MCS_UNBIND"); 838 removeMessages(MCS_UNBIND); 839 Message ubmsg = obtainMessage(MCS_UNBIND); 840 // Unbind after a little delay, to avoid 841 // continual thrashing. 842 sendMessageDelayed(ubmsg, 10000); 843 } 844 } else { 845 // There are more pending requests in queue. 846 // Just post MCS_BOUND message to trigger processing 847 // of next pending install. 848 if (DEBUG_SD_INSTALL) Log.i(TAG, 849 "Posting MCS_BOUND for next work"); 850 mHandler.sendEmptyMessage(MCS_BOUND); 851 } 852 } 853 } 854 } else { 855 // Should never happen ideally. 856 Slog.w(TAG, "Empty queue"); 857 } 858 break; 859 } 860 case MCS_RECONNECT: { 861 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 862 if (mPendingInstalls.size() > 0) { 863 if (mBound) { 864 disconnectService(); 865 } 866 if (!connectToService()) { 867 Slog.e(TAG, "Failed to bind to media container service"); 868 for (HandlerParams params : mPendingInstalls) { 869 // Indicate service bind error 870 params.serviceError(); 871 } 872 mPendingInstalls.clear(); 873 } 874 } 875 break; 876 } 877 case MCS_UNBIND: { 878 // If there is no actual work left, then time to unbind. 879 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 880 881 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 882 if (mBound) { 883 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 884 885 disconnectService(); 886 } 887 } else if (mPendingInstalls.size() > 0) { 888 // There are more pending requests in queue. 889 // Just post MCS_BOUND message to trigger processing 890 // of next pending install. 891 mHandler.sendEmptyMessage(MCS_BOUND); 892 } 893 894 break; 895 } 896 case MCS_GIVE_UP: { 897 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 898 mPendingInstalls.remove(0); 899 break; 900 } 901 case SEND_PENDING_BROADCAST: { 902 String packages[]; 903 ArrayList<String> components[]; 904 int size = 0; 905 int uids[]; 906 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 907 synchronized (mPackages) { 908 if (mPendingBroadcasts == null) { 909 return; 910 } 911 size = mPendingBroadcasts.size(); 912 if (size <= 0) { 913 // Nothing to be done. Just return 914 return; 915 } 916 packages = new String[size]; 917 components = new ArrayList[size]; 918 uids = new int[size]; 919 int i = 0; // filling out the above arrays 920 921 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 922 int packageUserId = mPendingBroadcasts.userIdAt(n); 923 Iterator<Map.Entry<String, ArrayList<String>>> it 924 = mPendingBroadcasts.packagesForUserId(packageUserId) 925 .entrySet().iterator(); 926 while (it.hasNext() && i < size) { 927 Map.Entry<String, ArrayList<String>> ent = it.next(); 928 packages[i] = ent.getKey(); 929 components[i] = ent.getValue(); 930 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 931 uids[i] = (ps != null) 932 ? UserHandle.getUid(packageUserId, ps.appId) 933 : -1; 934 i++; 935 } 936 } 937 size = i; 938 mPendingBroadcasts.clear(); 939 } 940 // Send broadcasts 941 for (int i = 0; i < size; i++) { 942 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 943 } 944 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 945 break; 946 } 947 case START_CLEANING_PACKAGE: { 948 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 949 final String packageName = (String)msg.obj; 950 final int userId = msg.arg1; 951 final boolean andCode = msg.arg2 != 0; 952 synchronized (mPackages) { 953 if (userId == UserHandle.USER_ALL) { 954 int[] users = sUserManager.getUserIds(); 955 for (int user : users) { 956 mSettings.addPackageToCleanLPw( 957 new PackageCleanItem(user, packageName, andCode)); 958 } 959 } else { 960 mSettings.addPackageToCleanLPw( 961 new PackageCleanItem(userId, packageName, andCode)); 962 } 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 startCleaningPackages(); 966 } break; 967 case POST_INSTALL: { 968 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 969 PostInstallData data = mRunningInstalls.get(msg.arg1); 970 mRunningInstalls.delete(msg.arg1); 971 boolean deleteOld = false; 972 973 if (data != null) { 974 InstallArgs args = data.args; 975 PackageInstalledInfo res = data.res; 976 977 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 978 res.removedInfo.sendBroadcast(false, true, false); 979 Bundle extras = new Bundle(1); 980 extras.putInt(Intent.EXTRA_UID, res.uid); 981 // Determine the set of users who are adding this 982 // package for the first time vs. those who are seeing 983 // an update. 984 int[] firstUsers; 985 int[] updateUsers = new int[0]; 986 if (res.origUsers == null || res.origUsers.length == 0) { 987 firstUsers = res.newUsers; 988 } else { 989 firstUsers = new int[0]; 990 for (int i=0; i<res.newUsers.length; i++) { 991 int user = res.newUsers[i]; 992 boolean isNew = true; 993 for (int j=0; j<res.origUsers.length; j++) { 994 if (res.origUsers[j] == user) { 995 isNew = false; 996 break; 997 } 998 } 999 if (isNew) { 1000 int[] newFirst = new int[firstUsers.length+1]; 1001 System.arraycopy(firstUsers, 0, newFirst, 0, 1002 firstUsers.length); 1003 newFirst[firstUsers.length] = user; 1004 firstUsers = newFirst; 1005 } else { 1006 int[] newUpdate = new int[updateUsers.length+1]; 1007 System.arraycopy(updateUsers, 0, newUpdate, 0, 1008 updateUsers.length); 1009 newUpdate[updateUsers.length] = user; 1010 updateUsers = newUpdate; 1011 } 1012 } 1013 } 1014 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1015 res.pkg.applicationInfo.packageName, 1016 extras, null, null, firstUsers); 1017 final boolean update = res.removedInfo.removedPackage != null; 1018 if (update) { 1019 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1020 } 1021 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1022 res.pkg.applicationInfo.packageName, 1023 extras, null, null, updateUsers); 1024 if (update) { 1025 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1026 res.pkg.applicationInfo.packageName, 1027 extras, null, null, updateUsers); 1028 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1029 null, null, 1030 res.pkg.applicationInfo.packageName, null, updateUsers); 1031 1032 // treat asec-hosted packages like removable media on upgrade 1033 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1034 if (DEBUG_INSTALL) { 1035 Slog.i(TAG, "upgrading pkg " + res.pkg 1036 + " is ASEC-hosted -> AVAILABLE"); 1037 } 1038 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1039 ArrayList<String> pkgList = new ArrayList<String>(1); 1040 pkgList.add(res.pkg.applicationInfo.packageName); 1041 sendResourcesChangedBroadcast(true, true, 1042 pkgList,uidArray, null); 1043 } 1044 } 1045 if (res.removedInfo.args != null) { 1046 // Remove the replaced package's older resources safely now 1047 deleteOld = true; 1048 } 1049 1050 // Log current value of "unknown sources" setting 1051 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1052 getUnknownSourcesSettings()); 1053 } 1054 // Force a gc to clear up things 1055 Runtime.getRuntime().gc(); 1056 // We delete after a gc for applications on sdcard. 1057 if (deleteOld) { 1058 synchronized (mInstallLock) { 1059 res.removedInfo.args.doPostDeleteLI(true); 1060 } 1061 } 1062 if (args.observer != null) { 1063 try { 1064 Bundle extras = extrasForInstallResult(res); 1065 args.observer.onPackageInstalled(res.name, res.returnCode, 1066 res.returnMsg, extras); 1067 } catch (RemoteException e) { 1068 Slog.i(TAG, "Observer no longer exists."); 1069 } 1070 } 1071 } else { 1072 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1073 } 1074 } break; 1075 case UPDATED_MEDIA_STATUS: { 1076 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1077 boolean reportStatus = msg.arg1 == 1; 1078 boolean doGc = msg.arg2 == 1; 1079 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1080 if (doGc) { 1081 // Force a gc to clear up stale containers. 1082 Runtime.getRuntime().gc(); 1083 } 1084 if (msg.obj != null) { 1085 @SuppressWarnings("unchecked") 1086 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1087 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1088 // Unload containers 1089 unloadAllContainers(args); 1090 } 1091 if (reportStatus) { 1092 try { 1093 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1094 PackageHelper.getMountService().finishMediaUpdate(); 1095 } catch (RemoteException e) { 1096 Log.e(TAG, "MountService not running?"); 1097 } 1098 } 1099 } break; 1100 case WRITE_SETTINGS: { 1101 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1102 synchronized (mPackages) { 1103 removeMessages(WRITE_SETTINGS); 1104 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1105 mSettings.writeLPr(); 1106 mDirtyUsers.clear(); 1107 } 1108 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1109 } break; 1110 case WRITE_PACKAGE_RESTRICTIONS: { 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1112 synchronized (mPackages) { 1113 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1114 for (int userId : mDirtyUsers) { 1115 mSettings.writePackageRestrictionsLPr(userId); 1116 } 1117 mDirtyUsers.clear(); 1118 } 1119 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1120 } break; 1121 case CHECK_PENDING_VERIFICATION: { 1122 final int verificationId = msg.arg1; 1123 final PackageVerificationState state = mPendingVerification.get(verificationId); 1124 1125 if ((state != null) && !state.timeoutExtended()) { 1126 final InstallArgs args = state.getInstallArgs(); 1127 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1128 1129 Slog.i(TAG, "Verification timed out for " + originUri); 1130 mPendingVerification.remove(verificationId); 1131 1132 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1133 1134 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1135 Slog.i(TAG, "Continuing with installation of " + originUri); 1136 state.setVerifierResponse(Binder.getCallingUid(), 1137 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1138 broadcastPackageVerified(verificationId, originUri, 1139 PackageManager.VERIFICATION_ALLOW, 1140 state.getInstallArgs().getUser()); 1141 try { 1142 ret = args.copyApk(mContainerService, true); 1143 } catch (RemoteException e) { 1144 Slog.e(TAG, "Could not contact the ContainerService"); 1145 } 1146 } else { 1147 broadcastPackageVerified(verificationId, originUri, 1148 PackageManager.VERIFICATION_REJECT, 1149 state.getInstallArgs().getUser()); 1150 } 1151 1152 processPendingInstall(args, ret); 1153 mHandler.sendEmptyMessage(MCS_UNBIND); 1154 } 1155 break; 1156 } 1157 case PACKAGE_VERIFIED: { 1158 final int verificationId = msg.arg1; 1159 1160 final PackageVerificationState state = mPendingVerification.get(verificationId); 1161 if (state == null) { 1162 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1163 break; 1164 } 1165 1166 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1167 1168 state.setVerifierResponse(response.callerUid, response.code); 1169 1170 if (state.isVerificationComplete()) { 1171 mPendingVerification.remove(verificationId); 1172 1173 final InstallArgs args = state.getInstallArgs(); 1174 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1175 1176 int ret; 1177 if (state.isInstallAllowed()) { 1178 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1179 broadcastPackageVerified(verificationId, originUri, 1180 response.code, state.getInstallArgs().getUser()); 1181 try { 1182 ret = args.copyApk(mContainerService, true); 1183 } catch (RemoteException e) { 1184 Slog.e(TAG, "Could not contact the ContainerService"); 1185 } 1186 } else { 1187 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1188 } 1189 1190 processPendingInstall(args, ret); 1191 1192 mHandler.sendEmptyMessage(MCS_UNBIND); 1193 } 1194 1195 break; 1196 } 1197 } 1198 } 1199 } 1200 1201 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1202 Bundle extras = null; 1203 switch (res.returnCode) { 1204 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1205 extras = new Bundle(); 1206 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1207 res.origPermission); 1208 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1209 res.origPackage); 1210 break; 1211 } 1212 } 1213 return extras; 1214 } 1215 1216 void scheduleWriteSettingsLocked() { 1217 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1218 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1219 } 1220 } 1221 1222 void scheduleWritePackageRestrictionsLocked(int userId) { 1223 if (!sUserManager.exists(userId)) return; 1224 mDirtyUsers.add(userId); 1225 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1226 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1227 } 1228 } 1229 1230 public static final PackageManagerService main(Context context, Installer installer, 1231 boolean factoryTest, boolean onlyCore) { 1232 PackageManagerService m = new PackageManagerService(context, installer, 1233 factoryTest, onlyCore); 1234 ServiceManager.addService("package", m); 1235 return m; 1236 } 1237 1238 static String[] splitString(String str, char sep) { 1239 int count = 1; 1240 int i = 0; 1241 while ((i=str.indexOf(sep, i)) >= 0) { 1242 count++; 1243 i++; 1244 } 1245 1246 String[] res = new String[count]; 1247 i=0; 1248 count = 0; 1249 int lastI=0; 1250 while ((i=str.indexOf(sep, i)) >= 0) { 1251 res[count] = str.substring(lastI, i); 1252 count++; 1253 i++; 1254 lastI = i; 1255 } 1256 res[count] = str.substring(lastI, str.length()); 1257 return res; 1258 } 1259 1260 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1261 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1262 Context.DISPLAY_SERVICE); 1263 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1264 } 1265 1266 public PackageManagerService(Context context, Installer installer, 1267 boolean factoryTest, boolean onlyCore) { 1268 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1269 SystemClock.uptimeMillis()); 1270 1271 if (mSdkVersion <= 0) { 1272 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1273 } 1274 1275 mContext = context; 1276 mFactoryTest = factoryTest; 1277 mOnlyCore = onlyCore; 1278 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1279 mMetrics = new DisplayMetrics(); 1280 mSettings = new Settings(context); 1281 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1282 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1283 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1284 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1285 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1286 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1287 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1288 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1289 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1290 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1291 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1292 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1293 1294 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1295 if (separateProcesses != null && separateProcesses.length() > 0) { 1296 if ("*".equals(separateProcesses)) { 1297 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1298 mSeparateProcesses = null; 1299 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1300 } else { 1301 mDefParseFlags = 0; 1302 mSeparateProcesses = separateProcesses.split(","); 1303 Slog.w(TAG, "Running with debug.separate_processes: " 1304 + separateProcesses); 1305 } 1306 } else { 1307 mDefParseFlags = 0; 1308 mSeparateProcesses = null; 1309 } 1310 1311 mInstaller = installer; 1312 1313 getDefaultDisplayMetrics(context, mMetrics); 1314 1315 SystemConfig systemConfig = SystemConfig.getInstance(); 1316 mGlobalGids = systemConfig.getGlobalGids(); 1317 mSystemPermissions = systemConfig.getSystemPermissions(); 1318 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1319 1320 synchronized (mInstallLock) { 1321 // writer 1322 synchronized (mPackages) { 1323 mHandlerThread = new ServiceThread(TAG, 1324 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1325 mHandlerThread.start(); 1326 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1327 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1328 1329 File dataDir = Environment.getDataDirectory(); 1330 mAppDataDir = new File(dataDir, "data"); 1331 mAppInstallDir = new File(dataDir, "app"); 1332 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1333 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1334 mUserAppDataDir = new File(dataDir, "user"); 1335 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1336 1337 sUserManager = new UserManagerService(context, this, 1338 mInstallLock, mPackages); 1339 1340 // Propagate permission configuration in to package manager. 1341 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1342 = systemConfig.getPermissions(); 1343 for (int i=0; i<permConfig.size(); i++) { 1344 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1345 BasePermission bp = mSettings.mPermissions.get(perm.name); 1346 if (bp == null) { 1347 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1348 mSettings.mPermissions.put(perm.name, bp); 1349 } 1350 if (perm.gids != null) { 1351 bp.gids = appendInts(bp.gids, perm.gids); 1352 } 1353 } 1354 1355 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1356 for (int i=0; i<libConfig.size(); i++) { 1357 mSharedLibraries.put(libConfig.keyAt(i), 1358 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1359 } 1360 1361 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1362 1363 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1364 mSdkVersion, mOnlyCore); 1365 1366 String customResolverActivity = Resources.getSystem().getString( 1367 R.string.config_customResolverActivity); 1368 if (TextUtils.isEmpty(customResolverActivity)) { 1369 customResolverActivity = null; 1370 } else { 1371 mCustomResolverComponentName = ComponentName.unflattenFromString( 1372 customResolverActivity); 1373 } 1374 1375 long startTime = SystemClock.uptimeMillis(); 1376 1377 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1378 startTime); 1379 1380 // Set flag to monitor and not change apk file paths when 1381 // scanning install directories. 1382 int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1383 1384 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1385 1386 /** 1387 * Add everything in the in the boot class path to the 1388 * list of process files because dexopt will have been run 1389 * if necessary during zygote startup. 1390 */ 1391 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1392 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1393 1394 if (bootClassPath != null) { 1395 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1396 for (String element : bootClassPathElements) { 1397 alreadyDexOpted.add(element); 1398 } 1399 } else { 1400 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1401 } 1402 1403 if (systemServerClassPath != null) { 1404 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1405 for (String element : systemServerClassPathElements) { 1406 alreadyDexOpted.add(element); 1407 } 1408 } else { 1409 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1410 } 1411 1412 boolean didDexOptLibraryOrTool = false; 1413 1414 final List<String> allInstructionSets = getAllInstructionSets(); 1415 final String[] dexCodeInstructionSets = 1416 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1417 1418 /** 1419 * Ensure all external libraries have had dexopt run on them. 1420 */ 1421 if (mSharedLibraries.size() > 0) { 1422 // NOTE: For now, we're compiling these system "shared libraries" 1423 // (and framework jars) into all available architectures. It's possible 1424 // to compile them only when we come across an app that uses them (there's 1425 // already logic for that in scanPackageLI) but that adds some complexity. 1426 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1427 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1428 final String lib = libEntry.path; 1429 if (lib == null) { 1430 continue; 1431 } 1432 1433 try { 1434 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1435 dexCodeInstructionSet, 1436 false); 1437 if (dexoptRequired != DexFile.UP_TO_DATE) { 1438 alreadyDexOpted.add(lib); 1439 1440 // The list of "shared libraries" we have at this point is 1441 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1442 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1443 } else { 1444 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1445 } 1446 didDexOptLibraryOrTool = true; 1447 } 1448 } catch (FileNotFoundException e) { 1449 Slog.w(TAG, "Library not found: " + lib); 1450 } catch (IOException e) { 1451 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1452 + e.getMessage()); 1453 } 1454 } 1455 } 1456 } 1457 1458 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1459 1460 // Gross hack for now: we know this file doesn't contain any 1461 // code, so don't dexopt it to avoid the resulting log spew. 1462 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1463 1464 // Gross hack for now: we know this file is only part of 1465 // the boot class path for art, so don't dexopt it to 1466 // avoid the resulting log spew. 1467 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1468 1469 /** 1470 * And there are a number of commands implemented in Java, which 1471 * we currently need to do the dexopt on so that they can be 1472 * run from a non-root shell. 1473 */ 1474 String[] frameworkFiles = frameworkDir.list(); 1475 if (frameworkFiles != null) { 1476 // TODO: We could compile these only for the most preferred ABI. We should 1477 // first double check that the dex files for these commands are not referenced 1478 // by other system apps. 1479 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1480 for (int i=0; i<frameworkFiles.length; i++) { 1481 File libPath = new File(frameworkDir, frameworkFiles[i]); 1482 String path = libPath.getPath(); 1483 // Skip the file if we already did it. 1484 if (alreadyDexOpted.contains(path)) { 1485 continue; 1486 } 1487 // Skip the file if it is not a type we want to dexopt. 1488 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1489 continue; 1490 } 1491 try { 1492 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1493 dexCodeInstructionSet, 1494 false); 1495 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1496 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1497 didDexOptLibraryOrTool = true; 1498 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1499 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1500 didDexOptLibraryOrTool = true; 1501 } 1502 } catch (FileNotFoundException e) { 1503 Slog.w(TAG, "Jar not found: " + path); 1504 } catch (IOException e) { 1505 Slog.w(TAG, "Exception reading jar: " + path, e); 1506 } 1507 } 1508 } 1509 } 1510 1511 // Collect vendor overlay packages. 1512 // (Do this before scanning any apps.) 1513 // For security and version matching reason, only consider 1514 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1515 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1516 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1517 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1518 1519 // Find base frameworks (resource packages without code). 1520 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1521 | PackageParser.PARSE_IS_SYSTEM_DIR 1522 | PackageParser.PARSE_IS_PRIVILEGED, 1523 scanFlags | SCAN_NO_DEX, 0); 1524 1525 // Collected privileged system packages. 1526 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1527 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1528 | PackageParser.PARSE_IS_SYSTEM_DIR 1529 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1530 1531 // Collect ordinary system packages. 1532 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1533 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1534 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1535 1536 // Collect all vendor packages. 1537 File vendorAppDir = new File("/vendor/app"); 1538 try { 1539 vendorAppDir = vendorAppDir.getCanonicalFile(); 1540 } catch (IOException e) { 1541 // failed to look up canonical path, continue with original one 1542 } 1543 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1544 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1545 1546 // Collect all OEM packages. 1547 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1548 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1549 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1550 1551 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1552 mInstaller.moveFiles(); 1553 1554 // Prune any system packages that no longer exist. 1555 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1556 if (!mOnlyCore) { 1557 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1558 while (psit.hasNext()) { 1559 PackageSetting ps = psit.next(); 1560 1561 /* 1562 * If this is not a system app, it can't be a 1563 * disable system app. 1564 */ 1565 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1566 continue; 1567 } 1568 1569 /* 1570 * If the package is scanned, it's not erased. 1571 */ 1572 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1573 if (scannedPkg != null) { 1574 /* 1575 * If the system app is both scanned and in the 1576 * disabled packages list, then it must have been 1577 * added via OTA. Remove it from the currently 1578 * scanned package so the previously user-installed 1579 * application can be scanned. 1580 */ 1581 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1582 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1583 + "; removing system app"); 1584 removePackageLI(ps, true); 1585 } 1586 1587 continue; 1588 } 1589 1590 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1591 psit.remove(); 1592 String msg = "System package " + ps.name 1593 + " no longer exists; wiping its data"; 1594 reportSettingsProblem(Log.WARN, msg); 1595 removeDataDirsLI(ps.name); 1596 } else { 1597 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1598 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1599 possiblyDeletedUpdatedSystemApps.add(ps.name); 1600 } 1601 } 1602 } 1603 } 1604 1605 //look for any incomplete package installations 1606 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1607 //clean up list 1608 for(int i = 0; i < deletePkgsList.size(); i++) { 1609 //clean up here 1610 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1611 } 1612 //delete tmp files 1613 deleteTempPackageFiles(); 1614 1615 // Remove any shared userIDs that have no associated packages 1616 mSettings.pruneSharedUsersLPw(); 1617 1618 if (!mOnlyCore) { 1619 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1620 SystemClock.uptimeMillis()); 1621 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1622 1623 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1624 scanFlags, 0); 1625 1626 /** 1627 * Remove disable package settings for any updated system 1628 * apps that were removed via an OTA. If they're not a 1629 * previously-updated app, remove them completely. 1630 * Otherwise, just revoke their system-level permissions. 1631 */ 1632 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1633 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1634 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1635 1636 String msg; 1637 if (deletedPkg == null) { 1638 msg = "Updated system package " + deletedAppName 1639 + " no longer exists; wiping its data"; 1640 removeDataDirsLI(deletedAppName); 1641 } else { 1642 msg = "Updated system app + " + deletedAppName 1643 + " no longer present; removing system privileges for " 1644 + deletedAppName; 1645 1646 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1647 1648 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1649 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1650 } 1651 reportSettingsProblem(Log.WARN, msg); 1652 } 1653 } 1654 1655 // Now that we know all of the shared libraries, update all clients to have 1656 // the correct library paths. 1657 updateAllSharedLibrariesLPw(); 1658 1659 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1660 // NOTE: We ignore potential failures here during a system scan (like 1661 // the rest of the commands above) because there's precious little we 1662 // can do about it. A settings error is reported, though. 1663 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1664 false /* force dexopt */, false /* defer dexopt */); 1665 } 1666 1667 // Now that we know all the packages we are keeping, 1668 // read and update their last usage times. 1669 mPackageUsage.readLP(); 1670 1671 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1672 SystemClock.uptimeMillis()); 1673 Slog.i(TAG, "Time to scan packages: " 1674 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1675 + " seconds"); 1676 1677 // If the platform SDK has changed since the last time we booted, 1678 // we need to re-grant app permission to catch any new ones that 1679 // appear. This is really a hack, and means that apps can in some 1680 // cases get permissions that the user didn't initially explicitly 1681 // allow... it would be nice to have some better way to handle 1682 // this situation. 1683 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1684 != mSdkVersion; 1685 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1686 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1687 + "; regranting permissions for internal storage"); 1688 mSettings.mInternalSdkPlatform = mSdkVersion; 1689 1690 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1691 | (regrantPermissions 1692 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1693 : 0)); 1694 1695 // If this is the first boot, and it is a normal boot, then 1696 // we need to initialize the default preferred apps. 1697 if (!mRestoredSettings && !onlyCore) { 1698 mSettings.readDefaultPreferredAppsLPw(this, 0); 1699 } 1700 1701 // If this is first boot after an OTA, and a normal boot, then 1702 // we need to clear code cache directories. 1703 if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) { 1704 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1705 for (String pkgName : mSettings.mPackages.keySet()) { 1706 deleteCodeCacheDirsLI(pkgName); 1707 } 1708 mSettings.mFingerprint = Build.FINGERPRINT; 1709 } 1710 1711 // All the changes are done during package scanning. 1712 mSettings.updateInternalDatabaseVersion(); 1713 1714 // can downgrade to reader 1715 mSettings.writeLPr(); 1716 1717 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1718 SystemClock.uptimeMillis()); 1719 1720 1721 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1722 } // synchronized (mPackages) 1723 } // synchronized (mInstallLock) 1724 1725 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1726 1727 // Now after opening every single application zip, make sure they 1728 // are all flushed. Not really needed, but keeps things nice and 1729 // tidy. 1730 Runtime.getRuntime().gc(); 1731 } 1732 1733 @Override 1734 public boolean isFirstBoot() { 1735 return !mRestoredSettings; 1736 } 1737 1738 @Override 1739 public boolean isOnlyCoreApps() { 1740 return mOnlyCore; 1741 } 1742 1743 private String getRequiredVerifierLPr() { 1744 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1745 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1746 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1747 1748 String requiredVerifier = null; 1749 1750 final int N = receivers.size(); 1751 for (int i = 0; i < N; i++) { 1752 final ResolveInfo info = receivers.get(i); 1753 1754 if (info.activityInfo == null) { 1755 continue; 1756 } 1757 1758 final String packageName = info.activityInfo.packageName; 1759 1760 final PackageSetting ps = mSettings.mPackages.get(packageName); 1761 if (ps == null) { 1762 continue; 1763 } 1764 1765 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1766 if (!gp.grantedPermissions 1767 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1768 continue; 1769 } 1770 1771 if (requiredVerifier != null) { 1772 throw new RuntimeException("There can be only one required verifier"); 1773 } 1774 1775 requiredVerifier = packageName; 1776 } 1777 1778 return requiredVerifier; 1779 } 1780 1781 @Override 1782 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1783 throws RemoteException { 1784 try { 1785 return super.onTransact(code, data, reply, flags); 1786 } catch (RuntimeException e) { 1787 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1788 Slog.wtf(TAG, "Package Manager Crash", e); 1789 } 1790 throw e; 1791 } 1792 } 1793 1794 void cleanupInstallFailedPackage(PackageSetting ps) { 1795 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1796 removeDataDirsLI(ps.name); 1797 if (ps.codePath != null) { 1798 if (ps.codePath.isDirectory()) { 1799 FileUtils.deleteContents(ps.codePath); 1800 } 1801 ps.codePath.delete(); 1802 } 1803 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1804 if (ps.resourcePath.isDirectory()) { 1805 FileUtils.deleteContents(ps.resourcePath); 1806 } 1807 ps.resourcePath.delete(); 1808 } 1809 mSettings.removePackageLPw(ps.name); 1810 } 1811 1812 static int[] appendInts(int[] cur, int[] add) { 1813 if (add == null) return cur; 1814 if (cur == null) return add; 1815 final int N = add.length; 1816 for (int i=0; i<N; i++) { 1817 cur = appendInt(cur, add[i]); 1818 } 1819 return cur; 1820 } 1821 1822 static int[] removeInts(int[] cur, int[] rem) { 1823 if (rem == null) return cur; 1824 if (cur == null) return cur; 1825 final int N = rem.length; 1826 for (int i=0; i<N; i++) { 1827 cur = removeInt(cur, rem[i]); 1828 } 1829 return cur; 1830 } 1831 1832 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1833 if (!sUserManager.exists(userId)) return null; 1834 final PackageSetting ps = (PackageSetting) p.mExtras; 1835 if (ps == null) { 1836 return null; 1837 } 1838 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1839 final PackageUserState state = ps.readUserState(userId); 1840 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1841 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1842 state, userId); 1843 } 1844 1845 @Override 1846 public boolean isPackageAvailable(String packageName, int userId) { 1847 if (!sUserManager.exists(userId)) return false; 1848 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1849 synchronized (mPackages) { 1850 PackageParser.Package p = mPackages.get(packageName); 1851 if (p != null) { 1852 final PackageSetting ps = (PackageSetting) p.mExtras; 1853 if (ps != null) { 1854 final PackageUserState state = ps.readUserState(userId); 1855 if (state != null) { 1856 return PackageParser.isAvailable(state); 1857 } 1858 } 1859 } 1860 } 1861 return false; 1862 } 1863 1864 @Override 1865 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1866 if (!sUserManager.exists(userId)) return null; 1867 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1868 // reader 1869 synchronized (mPackages) { 1870 PackageParser.Package p = mPackages.get(packageName); 1871 if (DEBUG_PACKAGE_INFO) 1872 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1873 if (p != null) { 1874 return generatePackageInfo(p, flags, userId); 1875 } 1876 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1877 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1878 } 1879 } 1880 return null; 1881 } 1882 1883 @Override 1884 public String[] currentToCanonicalPackageNames(String[] names) { 1885 String[] out = new String[names.length]; 1886 // reader 1887 synchronized (mPackages) { 1888 for (int i=names.length-1; i>=0; i--) { 1889 PackageSetting ps = mSettings.mPackages.get(names[i]); 1890 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1891 } 1892 } 1893 return out; 1894 } 1895 1896 @Override 1897 public String[] canonicalToCurrentPackageNames(String[] names) { 1898 String[] out = new String[names.length]; 1899 // reader 1900 synchronized (mPackages) { 1901 for (int i=names.length-1; i>=0; i--) { 1902 String cur = mSettings.mRenamedPackages.get(names[i]); 1903 out[i] = cur != null ? cur : names[i]; 1904 } 1905 } 1906 return out; 1907 } 1908 1909 @Override 1910 public int getPackageUid(String packageName, int userId) { 1911 if (!sUserManager.exists(userId)) return -1; 1912 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1913 // reader 1914 synchronized (mPackages) { 1915 PackageParser.Package p = mPackages.get(packageName); 1916 if(p != null) { 1917 return UserHandle.getUid(userId, p.applicationInfo.uid); 1918 } 1919 PackageSetting ps = mSettings.mPackages.get(packageName); 1920 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1921 return -1; 1922 } 1923 p = ps.pkg; 1924 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1925 } 1926 } 1927 1928 @Override 1929 public int[] getPackageGids(String packageName) { 1930 // reader 1931 synchronized (mPackages) { 1932 PackageParser.Package p = mPackages.get(packageName); 1933 if (DEBUG_PACKAGE_INFO) 1934 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1935 if (p != null) { 1936 final PackageSetting ps = (PackageSetting)p.mExtras; 1937 return ps.getGids(); 1938 } 1939 } 1940 // stupid thing to indicate an error. 1941 return new int[0]; 1942 } 1943 1944 static final PermissionInfo generatePermissionInfo( 1945 BasePermission bp, int flags) { 1946 if (bp.perm != null) { 1947 return PackageParser.generatePermissionInfo(bp.perm, flags); 1948 } 1949 PermissionInfo pi = new PermissionInfo(); 1950 pi.name = bp.name; 1951 pi.packageName = bp.sourcePackage; 1952 pi.nonLocalizedLabel = bp.name; 1953 pi.protectionLevel = bp.protectionLevel; 1954 return pi; 1955 } 1956 1957 @Override 1958 public PermissionInfo getPermissionInfo(String name, int flags) { 1959 // reader 1960 synchronized (mPackages) { 1961 final BasePermission p = mSettings.mPermissions.get(name); 1962 if (p != null) { 1963 return generatePermissionInfo(p, flags); 1964 } 1965 return null; 1966 } 1967 } 1968 1969 @Override 1970 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1971 // reader 1972 synchronized (mPackages) { 1973 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1974 for (BasePermission p : mSettings.mPermissions.values()) { 1975 if (group == null) { 1976 if (p.perm == null || p.perm.info.group == null) { 1977 out.add(generatePermissionInfo(p, flags)); 1978 } 1979 } else { 1980 if (p.perm != null && group.equals(p.perm.info.group)) { 1981 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1982 } 1983 } 1984 } 1985 1986 if (out.size() > 0) { 1987 return out; 1988 } 1989 return mPermissionGroups.containsKey(group) ? out : null; 1990 } 1991 } 1992 1993 @Override 1994 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1995 // reader 1996 synchronized (mPackages) { 1997 return PackageParser.generatePermissionGroupInfo( 1998 mPermissionGroups.get(name), flags); 1999 } 2000 } 2001 2002 @Override 2003 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2004 // reader 2005 synchronized (mPackages) { 2006 final int N = mPermissionGroups.size(); 2007 ArrayList<PermissionGroupInfo> out 2008 = new ArrayList<PermissionGroupInfo>(N); 2009 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2010 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2011 } 2012 return out; 2013 } 2014 } 2015 2016 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2017 int userId) { 2018 if (!sUserManager.exists(userId)) return null; 2019 PackageSetting ps = mSettings.mPackages.get(packageName); 2020 if (ps != null) { 2021 if (ps.pkg == null) { 2022 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2023 flags, userId); 2024 if (pInfo != null) { 2025 return pInfo.applicationInfo; 2026 } 2027 return null; 2028 } 2029 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2030 ps.readUserState(userId), userId); 2031 } 2032 return null; 2033 } 2034 2035 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2036 int userId) { 2037 if (!sUserManager.exists(userId)) return null; 2038 PackageSetting ps = mSettings.mPackages.get(packageName); 2039 if (ps != null) { 2040 PackageParser.Package pkg = ps.pkg; 2041 if (pkg == null) { 2042 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2043 return null; 2044 } 2045 // Only data remains, so we aren't worried about code paths 2046 pkg = new PackageParser.Package(packageName); 2047 pkg.applicationInfo.packageName = packageName; 2048 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2049 pkg.applicationInfo.dataDir = 2050 getDataPathForPackage(packageName, 0).getPath(); 2051 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2052 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2053 } 2054 return generatePackageInfo(pkg, flags, userId); 2055 } 2056 return null; 2057 } 2058 2059 @Override 2060 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2061 if (!sUserManager.exists(userId)) return null; 2062 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2063 // writer 2064 synchronized (mPackages) { 2065 PackageParser.Package p = mPackages.get(packageName); 2066 if (DEBUG_PACKAGE_INFO) Log.v( 2067 TAG, "getApplicationInfo " + packageName 2068 + ": " + p); 2069 if (p != null) { 2070 PackageSetting ps = mSettings.mPackages.get(packageName); 2071 if (ps == null) return null; 2072 // Note: isEnabledLP() does not apply here - always return info 2073 return PackageParser.generateApplicationInfo( 2074 p, flags, ps.readUserState(userId), userId); 2075 } 2076 if ("android".equals(packageName)||"system".equals(packageName)) { 2077 return mAndroidApplication; 2078 } 2079 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2080 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2081 } 2082 } 2083 return null; 2084 } 2085 2086 2087 @Override 2088 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2089 mContext.enforceCallingOrSelfPermission( 2090 android.Manifest.permission.CLEAR_APP_CACHE, null); 2091 // Queue up an async operation since clearing cache may take a little while. 2092 mHandler.post(new Runnable() { 2093 public void run() { 2094 mHandler.removeCallbacks(this); 2095 int retCode = -1; 2096 synchronized (mInstallLock) { 2097 retCode = mInstaller.freeCache(freeStorageSize); 2098 if (retCode < 0) { 2099 Slog.w(TAG, "Couldn't clear application caches"); 2100 } 2101 } 2102 if (observer != null) { 2103 try { 2104 observer.onRemoveCompleted(null, (retCode >= 0)); 2105 } catch (RemoteException e) { 2106 Slog.w(TAG, "RemoveException when invoking call back"); 2107 } 2108 } 2109 } 2110 }); 2111 } 2112 2113 @Override 2114 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2115 mContext.enforceCallingOrSelfPermission( 2116 android.Manifest.permission.CLEAR_APP_CACHE, null); 2117 // Queue up an async operation since clearing cache may take a little while. 2118 mHandler.post(new Runnable() { 2119 public void run() { 2120 mHandler.removeCallbacks(this); 2121 int retCode = -1; 2122 synchronized (mInstallLock) { 2123 retCode = mInstaller.freeCache(freeStorageSize); 2124 if (retCode < 0) { 2125 Slog.w(TAG, "Couldn't clear application caches"); 2126 } 2127 } 2128 if(pi != null) { 2129 try { 2130 // Callback via pending intent 2131 int code = (retCode >= 0) ? 1 : 0; 2132 pi.sendIntent(null, code, null, 2133 null, null); 2134 } catch (SendIntentException e1) { 2135 Slog.i(TAG, "Failed to send pending intent"); 2136 } 2137 } 2138 } 2139 }); 2140 } 2141 2142 void freeStorage(long freeStorageSize) throws IOException { 2143 synchronized (mInstallLock) { 2144 if (mInstaller.freeCache(freeStorageSize) < 0) { 2145 throw new IOException("Failed to free enough space"); 2146 } 2147 } 2148 } 2149 2150 @Override 2151 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2152 if (!sUserManager.exists(userId)) return null; 2153 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2154 synchronized (mPackages) { 2155 PackageParser.Activity a = mActivities.mActivities.get(component); 2156 2157 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2158 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2159 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2160 if (ps == null) return null; 2161 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2162 userId); 2163 } 2164 if (mResolveComponentName.equals(component)) { 2165 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2166 new PackageUserState(), userId); 2167 } 2168 } 2169 return null; 2170 } 2171 2172 @Override 2173 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2174 String resolvedType) { 2175 synchronized (mPackages) { 2176 PackageParser.Activity a = mActivities.mActivities.get(component); 2177 if (a == null) { 2178 return false; 2179 } 2180 for (int i=0; i<a.intents.size(); i++) { 2181 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2182 intent.getData(), intent.getCategories(), TAG) >= 0) { 2183 return true; 2184 } 2185 } 2186 return false; 2187 } 2188 } 2189 2190 @Override 2191 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2192 if (!sUserManager.exists(userId)) return null; 2193 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2194 synchronized (mPackages) { 2195 PackageParser.Activity a = mReceivers.mActivities.get(component); 2196 if (DEBUG_PACKAGE_INFO) Log.v( 2197 TAG, "getReceiverInfo " + component + ": " + a); 2198 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2199 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2200 if (ps == null) return null; 2201 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2202 userId); 2203 } 2204 } 2205 return null; 2206 } 2207 2208 @Override 2209 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2210 if (!sUserManager.exists(userId)) return null; 2211 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2212 synchronized (mPackages) { 2213 PackageParser.Service s = mServices.mServices.get(component); 2214 if (DEBUG_PACKAGE_INFO) Log.v( 2215 TAG, "getServiceInfo " + component + ": " + s); 2216 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2217 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2218 if (ps == null) return null; 2219 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2220 userId); 2221 } 2222 } 2223 return null; 2224 } 2225 2226 @Override 2227 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2228 if (!sUserManager.exists(userId)) return null; 2229 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2230 synchronized (mPackages) { 2231 PackageParser.Provider p = mProviders.mProviders.get(component); 2232 if (DEBUG_PACKAGE_INFO) Log.v( 2233 TAG, "getProviderInfo " + component + ": " + p); 2234 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2235 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2236 if (ps == null) return null; 2237 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2238 userId); 2239 } 2240 } 2241 return null; 2242 } 2243 2244 @Override 2245 public String[] getSystemSharedLibraryNames() { 2246 Set<String> libSet; 2247 synchronized (mPackages) { 2248 libSet = mSharedLibraries.keySet(); 2249 int size = libSet.size(); 2250 if (size > 0) { 2251 String[] libs = new String[size]; 2252 libSet.toArray(libs); 2253 return libs; 2254 } 2255 } 2256 return null; 2257 } 2258 2259 @Override 2260 public FeatureInfo[] getSystemAvailableFeatures() { 2261 Collection<FeatureInfo> featSet; 2262 synchronized (mPackages) { 2263 featSet = mAvailableFeatures.values(); 2264 int size = featSet.size(); 2265 if (size > 0) { 2266 FeatureInfo[] features = new FeatureInfo[size+1]; 2267 featSet.toArray(features); 2268 FeatureInfo fi = new FeatureInfo(); 2269 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2270 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2271 features[size] = fi; 2272 return features; 2273 } 2274 } 2275 return null; 2276 } 2277 2278 @Override 2279 public boolean hasSystemFeature(String name) { 2280 synchronized (mPackages) { 2281 return mAvailableFeatures.containsKey(name); 2282 } 2283 } 2284 2285 private void checkValidCaller(int uid, int userId) { 2286 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2287 return; 2288 2289 throw new SecurityException("Caller uid=" + uid 2290 + " is not privileged to communicate with user=" + userId); 2291 } 2292 2293 @Override 2294 public int checkPermission(String permName, String pkgName) { 2295 synchronized (mPackages) { 2296 PackageParser.Package p = mPackages.get(pkgName); 2297 if (p != null && p.mExtras != null) { 2298 PackageSetting ps = (PackageSetting)p.mExtras; 2299 if (ps.sharedUser != null) { 2300 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2301 return PackageManager.PERMISSION_GRANTED; 2302 } 2303 } else if (ps.grantedPermissions.contains(permName)) { 2304 return PackageManager.PERMISSION_GRANTED; 2305 } 2306 } 2307 } 2308 return PackageManager.PERMISSION_DENIED; 2309 } 2310 2311 @Override 2312 public int checkUidPermission(String permName, int uid) { 2313 synchronized (mPackages) { 2314 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2315 if (obj != null) { 2316 GrantedPermissions gp = (GrantedPermissions)obj; 2317 if (gp.grantedPermissions.contains(permName)) { 2318 return PackageManager.PERMISSION_GRANTED; 2319 } 2320 } else { 2321 HashSet<String> perms = mSystemPermissions.get(uid); 2322 if (perms != null && perms.contains(permName)) { 2323 return PackageManager.PERMISSION_GRANTED; 2324 } 2325 } 2326 } 2327 return PackageManager.PERMISSION_DENIED; 2328 } 2329 2330 /** 2331 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2332 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2333 * @param checkShell TODO(yamasani): 2334 * @param message the message to log on security exception 2335 */ 2336 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2337 boolean checkShell, String message) { 2338 if (userId < 0) { 2339 throw new IllegalArgumentException("Invalid userId " + userId); 2340 } 2341 if (checkShell) { 2342 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2343 } 2344 if (userId == UserHandle.getUserId(callingUid)) return; 2345 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2346 if (requireFullPermission) { 2347 mContext.enforceCallingOrSelfPermission( 2348 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2349 } else { 2350 try { 2351 mContext.enforceCallingOrSelfPermission( 2352 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2353 } catch (SecurityException se) { 2354 mContext.enforceCallingOrSelfPermission( 2355 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2356 } 2357 } 2358 } 2359 } 2360 2361 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2362 if (callingUid == Process.SHELL_UID) { 2363 if (userHandle >= 0 2364 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2365 throw new SecurityException("Shell does not have permission to access user " 2366 + userHandle); 2367 } else if (userHandle < 0) { 2368 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2369 + Debug.getCallers(3)); 2370 } 2371 } 2372 } 2373 2374 private BasePermission findPermissionTreeLP(String permName) { 2375 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2376 if (permName.startsWith(bp.name) && 2377 permName.length() > bp.name.length() && 2378 permName.charAt(bp.name.length()) == '.') { 2379 return bp; 2380 } 2381 } 2382 return null; 2383 } 2384 2385 private BasePermission checkPermissionTreeLP(String permName) { 2386 if (permName != null) { 2387 BasePermission bp = findPermissionTreeLP(permName); 2388 if (bp != null) { 2389 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2390 return bp; 2391 } 2392 throw new SecurityException("Calling uid " 2393 + Binder.getCallingUid() 2394 + " is not allowed to add to permission tree " 2395 + bp.name + " owned by uid " + bp.uid); 2396 } 2397 } 2398 throw new SecurityException("No permission tree found for " + permName); 2399 } 2400 2401 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2402 if (s1 == null) { 2403 return s2 == null; 2404 } 2405 if (s2 == null) { 2406 return false; 2407 } 2408 if (s1.getClass() != s2.getClass()) { 2409 return false; 2410 } 2411 return s1.equals(s2); 2412 } 2413 2414 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2415 if (pi1.icon != pi2.icon) return false; 2416 if (pi1.logo != pi2.logo) return false; 2417 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2418 if (!compareStrings(pi1.name, pi2.name)) return false; 2419 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2420 // We'll take care of setting this one. 2421 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2422 // These are not currently stored in settings. 2423 //if (!compareStrings(pi1.group, pi2.group)) return false; 2424 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2425 //if (pi1.labelRes != pi2.labelRes) return false; 2426 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2427 return true; 2428 } 2429 2430 int permissionInfoFootprint(PermissionInfo info) { 2431 int size = info.name.length(); 2432 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2433 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2434 return size; 2435 } 2436 2437 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2438 int size = 0; 2439 for (BasePermission perm : mSettings.mPermissions.values()) { 2440 if (perm.uid == tree.uid) { 2441 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2442 } 2443 } 2444 return size; 2445 } 2446 2447 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2448 // We calculate the max size of permissions defined by this uid and throw 2449 // if that plus the size of 'info' would exceed our stated maximum. 2450 if (tree.uid != Process.SYSTEM_UID) { 2451 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2452 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2453 throw new SecurityException("Permission tree size cap exceeded"); 2454 } 2455 } 2456 } 2457 2458 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2459 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2460 throw new SecurityException("Label must be specified in permission"); 2461 } 2462 BasePermission tree = checkPermissionTreeLP(info.name); 2463 BasePermission bp = mSettings.mPermissions.get(info.name); 2464 boolean added = bp == null; 2465 boolean changed = true; 2466 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2467 if (added) { 2468 enforcePermissionCapLocked(info, tree); 2469 bp = new BasePermission(info.name, tree.sourcePackage, 2470 BasePermission.TYPE_DYNAMIC); 2471 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2472 throw new SecurityException( 2473 "Not allowed to modify non-dynamic permission " 2474 + info.name); 2475 } else { 2476 if (bp.protectionLevel == fixedLevel 2477 && bp.perm.owner.equals(tree.perm.owner) 2478 && bp.uid == tree.uid 2479 && comparePermissionInfos(bp.perm.info, info)) { 2480 changed = false; 2481 } 2482 } 2483 bp.protectionLevel = fixedLevel; 2484 info = new PermissionInfo(info); 2485 info.protectionLevel = fixedLevel; 2486 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2487 bp.perm.info.packageName = tree.perm.info.packageName; 2488 bp.uid = tree.uid; 2489 if (added) { 2490 mSettings.mPermissions.put(info.name, bp); 2491 } 2492 if (changed) { 2493 if (!async) { 2494 mSettings.writeLPr(); 2495 } else { 2496 scheduleWriteSettingsLocked(); 2497 } 2498 } 2499 return added; 2500 } 2501 2502 @Override 2503 public boolean addPermission(PermissionInfo info) { 2504 synchronized (mPackages) { 2505 return addPermissionLocked(info, false); 2506 } 2507 } 2508 2509 @Override 2510 public boolean addPermissionAsync(PermissionInfo info) { 2511 synchronized (mPackages) { 2512 return addPermissionLocked(info, true); 2513 } 2514 } 2515 2516 @Override 2517 public void removePermission(String name) { 2518 synchronized (mPackages) { 2519 checkPermissionTreeLP(name); 2520 BasePermission bp = mSettings.mPermissions.get(name); 2521 if (bp != null) { 2522 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2523 throw new SecurityException( 2524 "Not allowed to modify non-dynamic permission " 2525 + name); 2526 } 2527 mSettings.mPermissions.remove(name); 2528 mSettings.writeLPr(); 2529 } 2530 } 2531 } 2532 2533 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2534 int index = pkg.requestedPermissions.indexOf(bp.name); 2535 if (index == -1) { 2536 throw new SecurityException("Package " + pkg.packageName 2537 + " has not requested permission " + bp.name); 2538 } 2539 boolean isNormal = 2540 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2541 == PermissionInfo.PROTECTION_NORMAL); 2542 boolean isDangerous = 2543 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2544 == PermissionInfo.PROTECTION_DANGEROUS); 2545 boolean isDevelopment = 2546 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2547 2548 if (!isNormal && !isDangerous && !isDevelopment) { 2549 throw new SecurityException("Permission " + bp.name 2550 + " is not a changeable permission type"); 2551 } 2552 2553 if (isNormal || isDangerous) { 2554 if (pkg.requestedPermissionsRequired.get(index)) { 2555 throw new SecurityException("Can't change " + bp.name 2556 + ". It is required by the application"); 2557 } 2558 } 2559 } 2560 2561 @Override 2562 public void grantPermission(String packageName, String permissionName) { 2563 mContext.enforceCallingOrSelfPermission( 2564 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2565 synchronized (mPackages) { 2566 final PackageParser.Package pkg = mPackages.get(packageName); 2567 if (pkg == null) { 2568 throw new IllegalArgumentException("Unknown package: " + packageName); 2569 } 2570 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2571 if (bp == null) { 2572 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2573 } 2574 2575 checkGrantRevokePermissions(pkg, bp); 2576 2577 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2578 if (ps == null) { 2579 return; 2580 } 2581 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2582 if (gp.grantedPermissions.add(permissionName)) { 2583 if (ps.haveGids) { 2584 gp.gids = appendInts(gp.gids, bp.gids); 2585 } 2586 mSettings.writeLPr(); 2587 } 2588 } 2589 } 2590 2591 @Override 2592 public void revokePermission(String packageName, String permissionName) { 2593 int changedAppId = -1; 2594 2595 synchronized (mPackages) { 2596 final PackageParser.Package pkg = mPackages.get(packageName); 2597 if (pkg == null) { 2598 throw new IllegalArgumentException("Unknown package: " + packageName); 2599 } 2600 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2601 mContext.enforceCallingOrSelfPermission( 2602 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2603 } 2604 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2605 if (bp == null) { 2606 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2607 } 2608 2609 checkGrantRevokePermissions(pkg, bp); 2610 2611 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2612 if (ps == null) { 2613 return; 2614 } 2615 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2616 if (gp.grantedPermissions.remove(permissionName)) { 2617 gp.grantedPermissions.remove(permissionName); 2618 if (ps.haveGids) { 2619 gp.gids = removeInts(gp.gids, bp.gids); 2620 } 2621 mSettings.writeLPr(); 2622 changedAppId = ps.appId; 2623 } 2624 } 2625 2626 if (changedAppId >= 0) { 2627 // We changed the perm on someone, kill its processes. 2628 IActivityManager am = ActivityManagerNative.getDefault(); 2629 if (am != null) { 2630 final int callingUserId = UserHandle.getCallingUserId(); 2631 final long ident = Binder.clearCallingIdentity(); 2632 try { 2633 //XXX we should only revoke for the calling user's app permissions, 2634 // but for now we impact all users. 2635 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2636 // "revoke " + permissionName); 2637 int[] users = sUserManager.getUserIds(); 2638 for (int user : users) { 2639 am.killUid(UserHandle.getUid(user, changedAppId), 2640 "revoke " + permissionName); 2641 } 2642 } catch (RemoteException e) { 2643 } finally { 2644 Binder.restoreCallingIdentity(ident); 2645 } 2646 } 2647 } 2648 } 2649 2650 @Override 2651 public boolean isProtectedBroadcast(String actionName) { 2652 synchronized (mPackages) { 2653 return mProtectedBroadcasts.contains(actionName); 2654 } 2655 } 2656 2657 @Override 2658 public int checkSignatures(String pkg1, String pkg2) { 2659 synchronized (mPackages) { 2660 final PackageParser.Package p1 = mPackages.get(pkg1); 2661 final PackageParser.Package p2 = mPackages.get(pkg2); 2662 if (p1 == null || p1.mExtras == null 2663 || p2 == null || p2.mExtras == null) { 2664 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2665 } 2666 return compareSignatures(p1.mSignatures, p2.mSignatures); 2667 } 2668 } 2669 2670 @Override 2671 public int checkUidSignatures(int uid1, int uid2) { 2672 // Map to base uids. 2673 uid1 = UserHandle.getAppId(uid1); 2674 uid2 = UserHandle.getAppId(uid2); 2675 // reader 2676 synchronized (mPackages) { 2677 Signature[] s1; 2678 Signature[] s2; 2679 Object obj = mSettings.getUserIdLPr(uid1); 2680 if (obj != null) { 2681 if (obj instanceof SharedUserSetting) { 2682 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2683 } else if (obj instanceof PackageSetting) { 2684 s1 = ((PackageSetting)obj).signatures.mSignatures; 2685 } else { 2686 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2687 } 2688 } else { 2689 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2690 } 2691 obj = mSettings.getUserIdLPr(uid2); 2692 if (obj != null) { 2693 if (obj instanceof SharedUserSetting) { 2694 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2695 } else if (obj instanceof PackageSetting) { 2696 s2 = ((PackageSetting)obj).signatures.mSignatures; 2697 } else { 2698 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2699 } 2700 } else { 2701 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2702 } 2703 return compareSignatures(s1, s2); 2704 } 2705 } 2706 2707 /** 2708 * Compares two sets of signatures. Returns: 2709 * <br /> 2710 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2711 * <br /> 2712 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2713 * <br /> 2714 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2715 * <br /> 2716 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2717 * <br /> 2718 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2719 */ 2720 static int compareSignatures(Signature[] s1, Signature[] s2) { 2721 if (s1 == null) { 2722 return s2 == null 2723 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2724 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2725 } 2726 2727 if (s2 == null) { 2728 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2729 } 2730 2731 if (s1.length != s2.length) { 2732 return PackageManager.SIGNATURE_NO_MATCH; 2733 } 2734 2735 // Since both signature sets are of size 1, we can compare without HashSets. 2736 if (s1.length == 1) { 2737 return s1[0].equals(s2[0]) ? 2738 PackageManager.SIGNATURE_MATCH : 2739 PackageManager.SIGNATURE_NO_MATCH; 2740 } 2741 2742 HashSet<Signature> set1 = new HashSet<Signature>(); 2743 for (Signature sig : s1) { 2744 set1.add(sig); 2745 } 2746 HashSet<Signature> set2 = new HashSet<Signature>(); 2747 for (Signature sig : s2) { 2748 set2.add(sig); 2749 } 2750 // Make sure s2 contains all signatures in s1. 2751 if (set1.equals(set2)) { 2752 return PackageManager.SIGNATURE_MATCH; 2753 } 2754 return PackageManager.SIGNATURE_NO_MATCH; 2755 } 2756 2757 /** 2758 * If the database version for this type of package (internal storage or 2759 * external storage) is less than the version where package signatures 2760 * were updated, return true. 2761 */ 2762 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2763 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2764 DatabaseVersion.SIGNATURE_END_ENTITY)) 2765 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2766 DatabaseVersion.SIGNATURE_END_ENTITY)); 2767 } 2768 2769 /** 2770 * Used for backward compatibility to make sure any packages with 2771 * certificate chains get upgraded to the new style. {@code existingSigs} 2772 * will be in the old format (since they were stored on disk from before the 2773 * system upgrade) and {@code scannedSigs} will be in the newer format. 2774 */ 2775 private int compareSignaturesCompat(PackageSignatures existingSigs, 2776 PackageParser.Package scannedPkg) { 2777 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2778 return PackageManager.SIGNATURE_NO_MATCH; 2779 } 2780 2781 HashSet<Signature> existingSet = new HashSet<Signature>(); 2782 for (Signature sig : existingSigs.mSignatures) { 2783 existingSet.add(sig); 2784 } 2785 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2786 for (Signature sig : scannedPkg.mSignatures) { 2787 try { 2788 Signature[] chainSignatures = sig.getChainSignatures(); 2789 for (Signature chainSig : chainSignatures) { 2790 scannedCompatSet.add(chainSig); 2791 } 2792 } catch (CertificateEncodingException e) { 2793 scannedCompatSet.add(sig); 2794 } 2795 } 2796 /* 2797 * Make sure the expanded scanned set contains all signatures in the 2798 * existing one. 2799 */ 2800 if (scannedCompatSet.equals(existingSet)) { 2801 // Migrate the old signatures to the new scheme. 2802 existingSigs.assignSignatures(scannedPkg.mSignatures); 2803 // The new KeySets will be re-added later in the scanning process. 2804 synchronized (mPackages) { 2805 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2806 } 2807 return PackageManager.SIGNATURE_MATCH; 2808 } 2809 return PackageManager.SIGNATURE_NO_MATCH; 2810 } 2811 2812 @Override 2813 public String[] getPackagesForUid(int uid) { 2814 uid = UserHandle.getAppId(uid); 2815 // reader 2816 synchronized (mPackages) { 2817 Object obj = mSettings.getUserIdLPr(uid); 2818 if (obj instanceof SharedUserSetting) { 2819 final SharedUserSetting sus = (SharedUserSetting) obj; 2820 final int N = sus.packages.size(); 2821 final String[] res = new String[N]; 2822 final Iterator<PackageSetting> it = sus.packages.iterator(); 2823 int i = 0; 2824 while (it.hasNext()) { 2825 res[i++] = it.next().name; 2826 } 2827 return res; 2828 } else if (obj instanceof PackageSetting) { 2829 final PackageSetting ps = (PackageSetting) obj; 2830 return new String[] { ps.name }; 2831 } 2832 } 2833 return null; 2834 } 2835 2836 @Override 2837 public String getNameForUid(int uid) { 2838 // reader 2839 synchronized (mPackages) { 2840 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2841 if (obj instanceof SharedUserSetting) { 2842 final SharedUserSetting sus = (SharedUserSetting) obj; 2843 return sus.name + ":" + sus.userId; 2844 } else if (obj instanceof PackageSetting) { 2845 final PackageSetting ps = (PackageSetting) obj; 2846 return ps.name; 2847 } 2848 } 2849 return null; 2850 } 2851 2852 @Override 2853 public int getUidForSharedUser(String sharedUserName) { 2854 if(sharedUserName == null) { 2855 return -1; 2856 } 2857 // reader 2858 synchronized (mPackages) { 2859 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2860 if (suid == null) { 2861 return -1; 2862 } 2863 return suid.userId; 2864 } 2865 } 2866 2867 @Override 2868 public int getFlagsForUid(int uid) { 2869 synchronized (mPackages) { 2870 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2871 if (obj instanceof SharedUserSetting) { 2872 final SharedUserSetting sus = (SharedUserSetting) obj; 2873 return sus.pkgFlags; 2874 } else if (obj instanceof PackageSetting) { 2875 final PackageSetting ps = (PackageSetting) obj; 2876 return ps.pkgFlags; 2877 } 2878 } 2879 return 0; 2880 } 2881 2882 @Override 2883 public String[] getAppOpPermissionPackages(String permissionName) { 2884 synchronized (mPackages) { 2885 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2886 if (pkgs == null) { 2887 return null; 2888 } 2889 return pkgs.toArray(new String[pkgs.size()]); 2890 } 2891 } 2892 2893 @Override 2894 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2895 int flags, int userId) { 2896 if (!sUserManager.exists(userId)) return null; 2897 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 2898 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2899 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2900 } 2901 2902 @Override 2903 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2904 IntentFilter filter, int match, ComponentName activity) { 2905 final int userId = UserHandle.getCallingUserId(); 2906 if (DEBUG_PREFERRED) { 2907 Log.v(TAG, "setLastChosenActivity intent=" + intent 2908 + " resolvedType=" + resolvedType 2909 + " flags=" + flags 2910 + " filter=" + filter 2911 + " match=" + match 2912 + " activity=" + activity); 2913 filter.dump(new PrintStreamPrinter(System.out), " "); 2914 } 2915 intent.setComponent(null); 2916 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2917 // Find any earlier preferred or last chosen entries and nuke them 2918 findPreferredActivity(intent, resolvedType, 2919 flags, query, 0, false, true, false, userId); 2920 // Add the new activity as the last chosen for this filter 2921 addPreferredActivityInternal(filter, match, null, activity, false, userId, 2922 "Setting last chosen"); 2923 } 2924 2925 @Override 2926 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2927 final int userId = UserHandle.getCallingUserId(); 2928 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2929 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2930 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2931 false, false, false, userId); 2932 } 2933 2934 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2935 int flags, List<ResolveInfo> query, int userId) { 2936 if (query != null) { 2937 final int N = query.size(); 2938 if (N == 1) { 2939 return query.get(0); 2940 } else if (N > 1) { 2941 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2942 // If there is more than one activity with the same priority, 2943 // then let the user decide between them. 2944 ResolveInfo r0 = query.get(0); 2945 ResolveInfo r1 = query.get(1); 2946 if (DEBUG_INTENT_MATCHING || debug) { 2947 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2948 + r1.activityInfo.name + "=" + r1.priority); 2949 } 2950 // If the first activity has a higher priority, or a different 2951 // default, then it is always desireable to pick it. 2952 if (r0.priority != r1.priority 2953 || r0.preferredOrder != r1.preferredOrder 2954 || r0.isDefault != r1.isDefault) { 2955 return query.get(0); 2956 } 2957 // If we have saved a preference for a preferred activity for 2958 // this Intent, use that. 2959 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2960 flags, query, r0.priority, true, false, debug, userId); 2961 if (ri != null) { 2962 return ri; 2963 } 2964 if (userId != 0) { 2965 ri = new ResolveInfo(mResolveInfo); 2966 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2967 ri.activityInfo.applicationInfo = new ApplicationInfo( 2968 ri.activityInfo.applicationInfo); 2969 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2970 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2971 return ri; 2972 } 2973 return mResolveInfo; 2974 } 2975 } 2976 return null; 2977 } 2978 2979 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2980 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2981 final int N = query.size(); 2982 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2983 .get(userId); 2984 // Get the list of persistent preferred activities that handle the intent 2985 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2986 List<PersistentPreferredActivity> pprefs = ppir != null 2987 ? ppir.queryIntent(intent, resolvedType, 2988 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2989 : null; 2990 if (pprefs != null && pprefs.size() > 0) { 2991 final int M = pprefs.size(); 2992 for (int i=0; i<M; i++) { 2993 final PersistentPreferredActivity ppa = pprefs.get(i); 2994 if (DEBUG_PREFERRED || debug) { 2995 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2996 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2997 + "\n component=" + ppa.mComponent); 2998 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2999 } 3000 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3001 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3002 if (DEBUG_PREFERRED || debug) { 3003 Slog.v(TAG, "Found persistent preferred activity:"); 3004 if (ai != null) { 3005 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3006 } else { 3007 Slog.v(TAG, " null"); 3008 } 3009 } 3010 if (ai == null) { 3011 // This previously registered persistent preferred activity 3012 // component is no longer known. Ignore it and do NOT remove it. 3013 continue; 3014 } 3015 for (int j=0; j<N; j++) { 3016 final ResolveInfo ri = query.get(j); 3017 if (!ri.activityInfo.applicationInfo.packageName 3018 .equals(ai.applicationInfo.packageName)) { 3019 continue; 3020 } 3021 if (!ri.activityInfo.name.equals(ai.name)) { 3022 continue; 3023 } 3024 // Found a persistent preference that can handle the intent. 3025 if (DEBUG_PREFERRED || debug) { 3026 Slog.v(TAG, "Returning persistent preferred activity: " + 3027 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3028 } 3029 return ri; 3030 } 3031 } 3032 } 3033 return null; 3034 } 3035 3036 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3037 List<ResolveInfo> query, int priority, boolean always, 3038 boolean removeMatches, boolean debug, int userId) { 3039 if (!sUserManager.exists(userId)) return null; 3040 // writer 3041 synchronized (mPackages) { 3042 if (intent.getSelector() != null) { 3043 intent = intent.getSelector(); 3044 } 3045 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3046 3047 // Try to find a matching persistent preferred activity. 3048 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3049 debug, userId); 3050 3051 // If a persistent preferred activity matched, use it. 3052 if (pri != null) { 3053 return pri; 3054 } 3055 3056 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3057 // Get the list of preferred activities that handle the intent 3058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3059 List<PreferredActivity> prefs = pir != null 3060 ? pir.queryIntent(intent, resolvedType, 3061 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3062 : null; 3063 if (prefs != null && prefs.size() > 0) { 3064 boolean changed = false; 3065 try { 3066 // First figure out how good the original match set is. 3067 // We will only allow preferred activities that came 3068 // from the same match quality. 3069 int match = 0; 3070 3071 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3072 3073 final int N = query.size(); 3074 for (int j=0; j<N; j++) { 3075 final ResolveInfo ri = query.get(j); 3076 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3077 + ": 0x" + Integer.toHexString(match)); 3078 if (ri.match > match) { 3079 match = ri.match; 3080 } 3081 } 3082 3083 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3084 + Integer.toHexString(match)); 3085 3086 match &= IntentFilter.MATCH_CATEGORY_MASK; 3087 final int M = prefs.size(); 3088 for (int i=0; i<M; i++) { 3089 final PreferredActivity pa = prefs.get(i); 3090 if (DEBUG_PREFERRED || debug) { 3091 Slog.v(TAG, "Checking PreferredActivity ds=" 3092 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3093 + "\n component=" + pa.mPref.mComponent); 3094 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3095 } 3096 if (pa.mPref.mMatch != match) { 3097 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3098 + Integer.toHexString(pa.mPref.mMatch)); 3099 continue; 3100 } 3101 // If it's not an "always" type preferred activity and that's what we're 3102 // looking for, skip it. 3103 if (always && !pa.mPref.mAlways) { 3104 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3105 continue; 3106 } 3107 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3108 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3109 if (DEBUG_PREFERRED || debug) { 3110 Slog.v(TAG, "Found preferred activity:"); 3111 if (ai != null) { 3112 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3113 } else { 3114 Slog.v(TAG, " null"); 3115 } 3116 } 3117 if (ai == null) { 3118 // This previously registered preferred activity 3119 // component is no longer known. Most likely an update 3120 // to the app was installed and in the new version this 3121 // component no longer exists. Clean it up by removing 3122 // it from the preferred activities list, and skip it. 3123 Slog.w(TAG, "Removing dangling preferred activity: " 3124 + pa.mPref.mComponent); 3125 pir.removeFilter(pa); 3126 changed = true; 3127 continue; 3128 } 3129 for (int j=0; j<N; j++) { 3130 final ResolveInfo ri = query.get(j); 3131 if (!ri.activityInfo.applicationInfo.packageName 3132 .equals(ai.applicationInfo.packageName)) { 3133 continue; 3134 } 3135 if (!ri.activityInfo.name.equals(ai.name)) { 3136 continue; 3137 } 3138 3139 if (removeMatches) { 3140 pir.removeFilter(pa); 3141 changed = true; 3142 if (DEBUG_PREFERRED) { 3143 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3144 } 3145 break; 3146 } 3147 3148 // Okay we found a previously set preferred or last chosen app. 3149 // If the result set is different from when this 3150 // was created, we need to clear it and re-ask the 3151 // user their preference, if we're looking for an "always" type entry. 3152 if (always && !pa.mPref.sameSet(query, priority)) { 3153 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3154 + intent + " type " + resolvedType); 3155 if (DEBUG_PREFERRED) { 3156 Slog.v(TAG, "Removing preferred activity since set changed " 3157 + pa.mPref.mComponent); 3158 } 3159 pir.removeFilter(pa); 3160 // Re-add the filter as a "last chosen" entry (!always) 3161 PreferredActivity lastChosen = new PreferredActivity( 3162 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3163 pir.addFilter(lastChosen); 3164 changed = true; 3165 return null; 3166 } 3167 3168 // Yay! Either the set matched or we're looking for the last chosen 3169 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3170 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3171 return ri; 3172 } 3173 } 3174 } finally { 3175 if (changed) { 3176 if (DEBUG_PREFERRED) { 3177 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3178 } 3179 mSettings.writePackageRestrictionsLPr(userId); 3180 } 3181 } 3182 } 3183 } 3184 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3185 return null; 3186 } 3187 3188 /* 3189 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3190 */ 3191 @Override 3192 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3193 int targetUserId) { 3194 mContext.enforceCallingOrSelfPermission( 3195 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3196 List<CrossProfileIntentFilter> matches = 3197 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3198 if (matches != null) { 3199 int size = matches.size(); 3200 for (int i = 0; i < size; i++) { 3201 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3202 } 3203 } 3204 return false; 3205 } 3206 3207 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3208 String resolvedType, int userId) { 3209 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3210 if (resolver != null) { 3211 return resolver.queryIntent(intent, resolvedType, false, userId); 3212 } 3213 return null; 3214 } 3215 3216 @Override 3217 public List<ResolveInfo> queryIntentActivities(Intent intent, 3218 String resolvedType, int flags, int userId) { 3219 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3220 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3221 ComponentName comp = intent.getComponent(); 3222 if (comp == null) { 3223 if (intent.getSelector() != null) { 3224 intent = intent.getSelector(); 3225 comp = intent.getComponent(); 3226 } 3227 } 3228 3229 if (comp != null) { 3230 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3231 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3232 if (ai != null) { 3233 final ResolveInfo ri = new ResolveInfo(); 3234 ri.activityInfo = ai; 3235 list.add(ri); 3236 } 3237 return list; 3238 } 3239 3240 // reader 3241 synchronized (mPackages) { 3242 final String pkgName = intent.getPackage(); 3243 if (pkgName == null) { 3244 List<CrossProfileIntentFilter> matchingFilters = 3245 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3246 // Check for results that need to skip the current profile. 3247 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3248 resolvedType, flags, userId); 3249 if (resolveInfo != null) { 3250 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3251 result.add(resolveInfo); 3252 return result; 3253 } 3254 // Check for cross profile results. 3255 resolveInfo = queryCrossProfileIntents( 3256 matchingFilters, intent, resolvedType, flags, userId); 3257 3258 // Check for results in the current profile. 3259 List<ResolveInfo> result = mActivities.queryIntent( 3260 intent, resolvedType, flags, userId); 3261 if (resolveInfo != null) { 3262 result.add(resolveInfo); 3263 Collections.sort(result, mResolvePrioritySorter); 3264 } 3265 return result; 3266 } 3267 final PackageParser.Package pkg = mPackages.get(pkgName); 3268 if (pkg != null) { 3269 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3270 pkg.activities, userId); 3271 } 3272 return new ArrayList<ResolveInfo>(); 3273 } 3274 } 3275 3276 private ResolveInfo querySkipCurrentProfileIntents( 3277 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3278 int flags, int sourceUserId) { 3279 if (matchingFilters != null) { 3280 int size = matchingFilters.size(); 3281 for (int i = 0; i < size; i ++) { 3282 CrossProfileIntentFilter filter = matchingFilters.get(i); 3283 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3284 // Checking if there are activities in the target user that can handle the 3285 // intent. 3286 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3287 flags, sourceUserId); 3288 if (resolveInfo != null) { 3289 return resolveInfo; 3290 } 3291 } 3292 } 3293 } 3294 return null; 3295 } 3296 3297 // Return matching ResolveInfo if any for skip current profile intent filters. 3298 private ResolveInfo queryCrossProfileIntents( 3299 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3300 int flags, int sourceUserId) { 3301 if (matchingFilters != null) { 3302 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3303 // match the same intent. For performance reasons, it is better not to 3304 // run queryIntent twice for the same userId 3305 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3306 int size = matchingFilters.size(); 3307 for (int i = 0; i < size; i++) { 3308 CrossProfileIntentFilter filter = matchingFilters.get(i); 3309 int targetUserId = filter.getTargetUserId(); 3310 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3311 && !alreadyTriedUserIds.get(targetUserId)) { 3312 // Checking if there are activities in the target user that can handle the 3313 // intent. 3314 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3315 flags, sourceUserId); 3316 if (resolveInfo != null) return resolveInfo; 3317 alreadyTriedUserIds.put(targetUserId, true); 3318 } 3319 } 3320 } 3321 return null; 3322 } 3323 3324 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3325 String resolvedType, int flags, int sourceUserId) { 3326 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3327 resolvedType, flags, filter.getTargetUserId()); 3328 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3329 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3330 } 3331 return null; 3332 } 3333 3334 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3335 int sourceUserId, int targetUserId) { 3336 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3337 String className; 3338 if (targetUserId == UserHandle.USER_OWNER) { 3339 className = FORWARD_INTENT_TO_USER_OWNER; 3340 } else { 3341 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3342 } 3343 ComponentName forwardingActivityComponentName = new ComponentName( 3344 mAndroidApplication.packageName, className); 3345 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3346 sourceUserId); 3347 if (targetUserId == UserHandle.USER_OWNER) { 3348 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3349 forwardingResolveInfo.noResourceId = true; 3350 } 3351 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3352 forwardingResolveInfo.priority = 0; 3353 forwardingResolveInfo.preferredOrder = 0; 3354 forwardingResolveInfo.match = 0; 3355 forwardingResolveInfo.isDefault = true; 3356 forwardingResolveInfo.filter = filter; 3357 forwardingResolveInfo.targetUserId = targetUserId; 3358 return forwardingResolveInfo; 3359 } 3360 3361 @Override 3362 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3363 Intent[] specifics, String[] specificTypes, Intent intent, 3364 String resolvedType, int flags, int userId) { 3365 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3366 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3367 false, "query intent activity options"); 3368 final String resultsAction = intent.getAction(); 3369 3370 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3371 | PackageManager.GET_RESOLVED_FILTER, userId); 3372 3373 if (DEBUG_INTENT_MATCHING) { 3374 Log.v(TAG, "Query " + intent + ": " + results); 3375 } 3376 3377 int specificsPos = 0; 3378 int N; 3379 3380 // todo: note that the algorithm used here is O(N^2). This 3381 // isn't a problem in our current environment, but if we start running 3382 // into situations where we have more than 5 or 10 matches then this 3383 // should probably be changed to something smarter... 3384 3385 // First we go through and resolve each of the specific items 3386 // that were supplied, taking care of removing any corresponding 3387 // duplicate items in the generic resolve list. 3388 if (specifics != null) { 3389 for (int i=0; i<specifics.length; i++) { 3390 final Intent sintent = specifics[i]; 3391 if (sintent == null) { 3392 continue; 3393 } 3394 3395 if (DEBUG_INTENT_MATCHING) { 3396 Log.v(TAG, "Specific #" + i + ": " + sintent); 3397 } 3398 3399 String action = sintent.getAction(); 3400 if (resultsAction != null && resultsAction.equals(action)) { 3401 // If this action was explicitly requested, then don't 3402 // remove things that have it. 3403 action = null; 3404 } 3405 3406 ResolveInfo ri = null; 3407 ActivityInfo ai = null; 3408 3409 ComponentName comp = sintent.getComponent(); 3410 if (comp == null) { 3411 ri = resolveIntent( 3412 sintent, 3413 specificTypes != null ? specificTypes[i] : null, 3414 flags, userId); 3415 if (ri == null) { 3416 continue; 3417 } 3418 if (ri == mResolveInfo) { 3419 // ACK! Must do something better with this. 3420 } 3421 ai = ri.activityInfo; 3422 comp = new ComponentName(ai.applicationInfo.packageName, 3423 ai.name); 3424 } else { 3425 ai = getActivityInfo(comp, flags, userId); 3426 if (ai == null) { 3427 continue; 3428 } 3429 } 3430 3431 // Look for any generic query activities that are duplicates 3432 // of this specific one, and remove them from the results. 3433 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3434 N = results.size(); 3435 int j; 3436 for (j=specificsPos; j<N; j++) { 3437 ResolveInfo sri = results.get(j); 3438 if ((sri.activityInfo.name.equals(comp.getClassName()) 3439 && sri.activityInfo.applicationInfo.packageName.equals( 3440 comp.getPackageName())) 3441 || (action != null && sri.filter.matchAction(action))) { 3442 results.remove(j); 3443 if (DEBUG_INTENT_MATCHING) Log.v( 3444 TAG, "Removing duplicate item from " + j 3445 + " due to specific " + specificsPos); 3446 if (ri == null) { 3447 ri = sri; 3448 } 3449 j--; 3450 N--; 3451 } 3452 } 3453 3454 // Add this specific item to its proper place. 3455 if (ri == null) { 3456 ri = new ResolveInfo(); 3457 ri.activityInfo = ai; 3458 } 3459 results.add(specificsPos, ri); 3460 ri.specificIndex = i; 3461 specificsPos++; 3462 } 3463 } 3464 3465 // Now we go through the remaining generic results and remove any 3466 // duplicate actions that are found here. 3467 N = results.size(); 3468 for (int i=specificsPos; i<N-1; i++) { 3469 final ResolveInfo rii = results.get(i); 3470 if (rii.filter == null) { 3471 continue; 3472 } 3473 3474 // Iterate over all of the actions of this result's intent 3475 // filter... typically this should be just one. 3476 final Iterator<String> it = rii.filter.actionsIterator(); 3477 if (it == null) { 3478 continue; 3479 } 3480 while (it.hasNext()) { 3481 final String action = it.next(); 3482 if (resultsAction != null && resultsAction.equals(action)) { 3483 // If this action was explicitly requested, then don't 3484 // remove things that have it. 3485 continue; 3486 } 3487 for (int j=i+1; j<N; j++) { 3488 final ResolveInfo rij = results.get(j); 3489 if (rij.filter != null && rij.filter.hasAction(action)) { 3490 results.remove(j); 3491 if (DEBUG_INTENT_MATCHING) Log.v( 3492 TAG, "Removing duplicate item from " + j 3493 + " due to action " + action + " at " + i); 3494 j--; 3495 N--; 3496 } 3497 } 3498 } 3499 3500 // If the caller didn't request filter information, drop it now 3501 // so we don't have to marshall/unmarshall it. 3502 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3503 rii.filter = null; 3504 } 3505 } 3506 3507 // Filter out the caller activity if so requested. 3508 if (caller != null) { 3509 N = results.size(); 3510 for (int i=0; i<N; i++) { 3511 ActivityInfo ainfo = results.get(i).activityInfo; 3512 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3513 && caller.getClassName().equals(ainfo.name)) { 3514 results.remove(i); 3515 break; 3516 } 3517 } 3518 } 3519 3520 // If the caller didn't request filter information, 3521 // drop them now so we don't have to 3522 // marshall/unmarshall it. 3523 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3524 N = results.size(); 3525 for (int i=0; i<N; i++) { 3526 results.get(i).filter = null; 3527 } 3528 } 3529 3530 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3531 return results; 3532 } 3533 3534 @Override 3535 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3536 int userId) { 3537 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3538 ComponentName comp = intent.getComponent(); 3539 if (comp == null) { 3540 if (intent.getSelector() != null) { 3541 intent = intent.getSelector(); 3542 comp = intent.getComponent(); 3543 } 3544 } 3545 if (comp != null) { 3546 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3547 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3548 if (ai != null) { 3549 ResolveInfo ri = new ResolveInfo(); 3550 ri.activityInfo = ai; 3551 list.add(ri); 3552 } 3553 return list; 3554 } 3555 3556 // reader 3557 synchronized (mPackages) { 3558 String pkgName = intent.getPackage(); 3559 if (pkgName == null) { 3560 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3561 } 3562 final PackageParser.Package pkg = mPackages.get(pkgName); 3563 if (pkg != null) { 3564 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3565 userId); 3566 } 3567 return null; 3568 } 3569 } 3570 3571 @Override 3572 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3573 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3574 if (!sUserManager.exists(userId)) return null; 3575 if (query != null) { 3576 if (query.size() >= 1) { 3577 // If there is more than one service with the same priority, 3578 // just arbitrarily pick the first one. 3579 return query.get(0); 3580 } 3581 } 3582 return null; 3583 } 3584 3585 @Override 3586 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3587 int userId) { 3588 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3589 ComponentName comp = intent.getComponent(); 3590 if (comp == null) { 3591 if (intent.getSelector() != null) { 3592 intent = intent.getSelector(); 3593 comp = intent.getComponent(); 3594 } 3595 } 3596 if (comp != null) { 3597 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3598 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3599 if (si != null) { 3600 final ResolveInfo ri = new ResolveInfo(); 3601 ri.serviceInfo = si; 3602 list.add(ri); 3603 } 3604 return list; 3605 } 3606 3607 // reader 3608 synchronized (mPackages) { 3609 String pkgName = intent.getPackage(); 3610 if (pkgName == null) { 3611 return mServices.queryIntent(intent, resolvedType, flags, userId); 3612 } 3613 final PackageParser.Package pkg = mPackages.get(pkgName); 3614 if (pkg != null) { 3615 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3616 userId); 3617 } 3618 return null; 3619 } 3620 } 3621 3622 @Override 3623 public List<ResolveInfo> queryIntentContentProviders( 3624 Intent intent, String resolvedType, int flags, int userId) { 3625 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3626 ComponentName comp = intent.getComponent(); 3627 if (comp == null) { 3628 if (intent.getSelector() != null) { 3629 intent = intent.getSelector(); 3630 comp = intent.getComponent(); 3631 } 3632 } 3633 if (comp != null) { 3634 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3635 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3636 if (pi != null) { 3637 final ResolveInfo ri = new ResolveInfo(); 3638 ri.providerInfo = pi; 3639 list.add(ri); 3640 } 3641 return list; 3642 } 3643 3644 // reader 3645 synchronized (mPackages) { 3646 String pkgName = intent.getPackage(); 3647 if (pkgName == null) { 3648 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3649 } 3650 final PackageParser.Package pkg = mPackages.get(pkgName); 3651 if (pkg != null) { 3652 return mProviders.queryIntentForPackage( 3653 intent, resolvedType, flags, pkg.providers, userId); 3654 } 3655 return null; 3656 } 3657 } 3658 3659 @Override 3660 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3661 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3662 3663 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3664 3665 // writer 3666 synchronized (mPackages) { 3667 ArrayList<PackageInfo> list; 3668 if (listUninstalled) { 3669 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3670 for (PackageSetting ps : mSettings.mPackages.values()) { 3671 PackageInfo pi; 3672 if (ps.pkg != null) { 3673 pi = generatePackageInfo(ps.pkg, flags, userId); 3674 } else { 3675 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3676 } 3677 if (pi != null) { 3678 list.add(pi); 3679 } 3680 } 3681 } else { 3682 list = new ArrayList<PackageInfo>(mPackages.size()); 3683 for (PackageParser.Package p : mPackages.values()) { 3684 PackageInfo pi = generatePackageInfo(p, flags, userId); 3685 if (pi != null) { 3686 list.add(pi); 3687 } 3688 } 3689 } 3690 3691 return new ParceledListSlice<PackageInfo>(list); 3692 } 3693 } 3694 3695 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3696 String[] permissions, boolean[] tmp, int flags, int userId) { 3697 int numMatch = 0; 3698 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3699 for (int i=0; i<permissions.length; i++) { 3700 if (gp.grantedPermissions.contains(permissions[i])) { 3701 tmp[i] = true; 3702 numMatch++; 3703 } else { 3704 tmp[i] = false; 3705 } 3706 } 3707 if (numMatch == 0) { 3708 return; 3709 } 3710 PackageInfo pi; 3711 if (ps.pkg != null) { 3712 pi = generatePackageInfo(ps.pkg, flags, userId); 3713 } else { 3714 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3715 } 3716 // The above might return null in cases of uninstalled apps or install-state 3717 // skew across users/profiles. 3718 if (pi != null) { 3719 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3720 if (numMatch == permissions.length) { 3721 pi.requestedPermissions = permissions; 3722 } else { 3723 pi.requestedPermissions = new String[numMatch]; 3724 numMatch = 0; 3725 for (int i=0; i<permissions.length; i++) { 3726 if (tmp[i]) { 3727 pi.requestedPermissions[numMatch] = permissions[i]; 3728 numMatch++; 3729 } 3730 } 3731 } 3732 } 3733 list.add(pi); 3734 } 3735 } 3736 3737 @Override 3738 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3739 String[] permissions, int flags, int userId) { 3740 if (!sUserManager.exists(userId)) return null; 3741 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3742 3743 // writer 3744 synchronized (mPackages) { 3745 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3746 boolean[] tmpBools = new boolean[permissions.length]; 3747 if (listUninstalled) { 3748 for (PackageSetting ps : mSettings.mPackages.values()) { 3749 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3750 } 3751 } else { 3752 for (PackageParser.Package pkg : mPackages.values()) { 3753 PackageSetting ps = (PackageSetting)pkg.mExtras; 3754 if (ps != null) { 3755 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3756 userId); 3757 } 3758 } 3759 } 3760 3761 return new ParceledListSlice<PackageInfo>(list); 3762 } 3763 } 3764 3765 @Override 3766 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3767 if (!sUserManager.exists(userId)) return null; 3768 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3769 3770 // writer 3771 synchronized (mPackages) { 3772 ArrayList<ApplicationInfo> list; 3773 if (listUninstalled) { 3774 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3775 for (PackageSetting ps : mSettings.mPackages.values()) { 3776 ApplicationInfo ai; 3777 if (ps.pkg != null) { 3778 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3779 ps.readUserState(userId), userId); 3780 } else { 3781 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3782 } 3783 if (ai != null) { 3784 list.add(ai); 3785 } 3786 } 3787 } else { 3788 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3789 for (PackageParser.Package p : mPackages.values()) { 3790 if (p.mExtras != null) { 3791 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3792 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3793 if (ai != null) { 3794 list.add(ai); 3795 } 3796 } 3797 } 3798 } 3799 3800 return new ParceledListSlice<ApplicationInfo>(list); 3801 } 3802 } 3803 3804 public List<ApplicationInfo> getPersistentApplications(int flags) { 3805 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3806 3807 // reader 3808 synchronized (mPackages) { 3809 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3810 final int userId = UserHandle.getCallingUserId(); 3811 while (i.hasNext()) { 3812 final PackageParser.Package p = i.next(); 3813 if (p.applicationInfo != null 3814 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3815 && (!mSafeMode || isSystemApp(p))) { 3816 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3817 if (ps != null) { 3818 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3819 ps.readUserState(userId), userId); 3820 if (ai != null) { 3821 finalList.add(ai); 3822 } 3823 } 3824 } 3825 } 3826 } 3827 3828 return finalList; 3829 } 3830 3831 @Override 3832 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3833 if (!sUserManager.exists(userId)) return null; 3834 // reader 3835 synchronized (mPackages) { 3836 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3837 PackageSetting ps = provider != null 3838 ? mSettings.mPackages.get(provider.owner.packageName) 3839 : null; 3840 return ps != null 3841 && mSettings.isEnabledLPr(provider.info, flags, userId) 3842 && (!mSafeMode || (provider.info.applicationInfo.flags 3843 &ApplicationInfo.FLAG_SYSTEM) != 0) 3844 ? PackageParser.generateProviderInfo(provider, flags, 3845 ps.readUserState(userId), userId) 3846 : null; 3847 } 3848 } 3849 3850 /** 3851 * @deprecated 3852 */ 3853 @Deprecated 3854 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3855 // reader 3856 synchronized (mPackages) { 3857 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3858 .entrySet().iterator(); 3859 final int userId = UserHandle.getCallingUserId(); 3860 while (i.hasNext()) { 3861 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3862 PackageParser.Provider p = entry.getValue(); 3863 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3864 3865 if (ps != null && p.syncable 3866 && (!mSafeMode || (p.info.applicationInfo.flags 3867 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3868 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3869 ps.readUserState(userId), userId); 3870 if (info != null) { 3871 outNames.add(entry.getKey()); 3872 outInfo.add(info); 3873 } 3874 } 3875 } 3876 } 3877 } 3878 3879 @Override 3880 public List<ProviderInfo> queryContentProviders(String processName, 3881 int uid, int flags) { 3882 ArrayList<ProviderInfo> finalList = null; 3883 // reader 3884 synchronized (mPackages) { 3885 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3886 final int userId = processName != null ? 3887 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3888 while (i.hasNext()) { 3889 final PackageParser.Provider p = i.next(); 3890 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3891 if (ps != null && p.info.authority != null 3892 && (processName == null 3893 || (p.info.processName.equals(processName) 3894 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3895 && mSettings.isEnabledLPr(p.info, flags, userId) 3896 && (!mSafeMode 3897 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3898 if (finalList == null) { 3899 finalList = new ArrayList<ProviderInfo>(3); 3900 } 3901 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3902 ps.readUserState(userId), userId); 3903 if (info != null) { 3904 finalList.add(info); 3905 } 3906 } 3907 } 3908 } 3909 3910 if (finalList != null) { 3911 Collections.sort(finalList, mProviderInitOrderSorter); 3912 } 3913 3914 return finalList; 3915 } 3916 3917 @Override 3918 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3919 int flags) { 3920 // reader 3921 synchronized (mPackages) { 3922 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3923 return PackageParser.generateInstrumentationInfo(i, flags); 3924 } 3925 } 3926 3927 @Override 3928 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3929 int flags) { 3930 ArrayList<InstrumentationInfo> finalList = 3931 new ArrayList<InstrumentationInfo>(); 3932 3933 // reader 3934 synchronized (mPackages) { 3935 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3936 while (i.hasNext()) { 3937 final PackageParser.Instrumentation p = i.next(); 3938 if (targetPackage == null 3939 || targetPackage.equals(p.info.targetPackage)) { 3940 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3941 flags); 3942 if (ii != null) { 3943 finalList.add(ii); 3944 } 3945 } 3946 } 3947 } 3948 3949 return finalList; 3950 } 3951 3952 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3953 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3954 if (overlays == null) { 3955 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3956 return; 3957 } 3958 for (PackageParser.Package opkg : overlays.values()) { 3959 // Not much to do if idmap fails: we already logged the error 3960 // and we certainly don't want to abort installation of pkg simply 3961 // because an overlay didn't fit properly. For these reasons, 3962 // ignore the return value of createIdmapForPackagePairLI. 3963 createIdmapForPackagePairLI(pkg, opkg); 3964 } 3965 } 3966 3967 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3968 PackageParser.Package opkg) { 3969 if (!opkg.mTrustedOverlay) { 3970 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 3971 opkg.baseCodePath + ": overlay not trusted"); 3972 return false; 3973 } 3974 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3975 if (overlaySet == null) { 3976 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 3977 opkg.baseCodePath + " but target package has no known overlays"); 3978 return false; 3979 } 3980 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3981 // TODO: generate idmap for split APKs 3982 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 3983 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 3984 + opkg.baseCodePath); 3985 return false; 3986 } 3987 PackageParser.Package[] overlayArray = 3988 overlaySet.values().toArray(new PackageParser.Package[0]); 3989 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3990 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3991 return p1.mOverlayPriority - p2.mOverlayPriority; 3992 } 3993 }; 3994 Arrays.sort(overlayArray, cmp); 3995 3996 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3997 int i = 0; 3998 for (PackageParser.Package p : overlayArray) { 3999 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4000 } 4001 return true; 4002 } 4003 4004 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4005 final File[] files = dir.listFiles(); 4006 if (ArrayUtils.isEmpty(files)) { 4007 Log.d(TAG, "No files in app dir " + dir); 4008 return; 4009 } 4010 4011 if (DEBUG_PACKAGE_SCANNING) { 4012 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4013 + " flags=0x" + Integer.toHexString(parseFlags)); 4014 } 4015 4016 for (File file : files) { 4017 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4018 && !PackageInstallerService.isStageName(file.getName()); 4019 if (!isPackage) { 4020 // Ignore entries which are not packages 4021 continue; 4022 } 4023 try { 4024 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4025 scanFlags, currentTime, null); 4026 } catch (PackageManagerException e) { 4027 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4028 4029 // Delete invalid userdata apps 4030 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4031 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4032 Slog.w(TAG, "Deleting invalid package at " + file); 4033 if (file.isDirectory()) { 4034 FileUtils.deleteContents(file); 4035 } 4036 file.delete(); 4037 } 4038 } 4039 } 4040 } 4041 4042 private static File getSettingsProblemFile() { 4043 File dataDir = Environment.getDataDirectory(); 4044 File systemDir = new File(dataDir, "system"); 4045 File fname = new File(systemDir, "uiderrors.txt"); 4046 return fname; 4047 } 4048 4049 static void reportSettingsProblem(int priority, String msg) { 4050 try { 4051 File fname = getSettingsProblemFile(); 4052 FileOutputStream out = new FileOutputStream(fname, true); 4053 PrintWriter pw = new FastPrintWriter(out); 4054 SimpleDateFormat formatter = new SimpleDateFormat(); 4055 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4056 pw.println(dateString + ": " + msg); 4057 pw.close(); 4058 FileUtils.setPermissions( 4059 fname.toString(), 4060 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4061 -1, -1); 4062 } catch (java.io.IOException e) { 4063 } 4064 Slog.println(priority, TAG, msg); 4065 } 4066 4067 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4068 PackageParser.Package pkg, File srcFile, int parseFlags) 4069 throws PackageManagerException { 4070 if (ps != null 4071 && ps.codePath.equals(srcFile) 4072 && ps.timeStamp == srcFile.lastModified() 4073 && !isCompatSignatureUpdateNeeded(pkg)) { 4074 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4075 if (ps.signatures.mSignatures != null 4076 && ps.signatures.mSignatures.length != 0 4077 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4078 // Optimization: reuse the existing cached certificates 4079 // if the package appears to be unchanged. 4080 pkg.mSignatures = ps.signatures.mSignatures; 4081 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4082 synchronized (mPackages) { 4083 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4084 } 4085 return; 4086 } 4087 4088 Slog.w(TAG, "PackageSetting for " + ps.name 4089 + " is missing signatures. Collecting certs again to recover them."); 4090 } else { 4091 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4092 } 4093 4094 try { 4095 pp.collectCertificates(pkg, parseFlags); 4096 pp.collectManifestDigest(pkg); 4097 } catch (PackageParserException e) { 4098 throw PackageManagerException.from(e); 4099 } 4100 } 4101 4102 /* 4103 * Scan a package and return the newly parsed package. 4104 * Returns null in case of errors and the error code is stored in mLastScanError 4105 */ 4106 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4107 long currentTime, UserHandle user) throws PackageManagerException { 4108 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4109 parseFlags |= mDefParseFlags; 4110 PackageParser pp = new PackageParser(); 4111 pp.setSeparateProcesses(mSeparateProcesses); 4112 pp.setOnlyCoreApps(mOnlyCore); 4113 pp.setDisplayMetrics(mMetrics); 4114 4115 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4116 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4117 } 4118 4119 final PackageParser.Package pkg; 4120 try { 4121 pkg = pp.parsePackage(scanFile, parseFlags); 4122 } catch (PackageParserException e) { 4123 throw PackageManagerException.from(e); 4124 } 4125 4126 PackageSetting ps = null; 4127 PackageSetting updatedPkg; 4128 // reader 4129 synchronized (mPackages) { 4130 // Look to see if we already know about this package. 4131 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4132 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4133 // This package has been renamed to its original name. Let's 4134 // use that. 4135 ps = mSettings.peekPackageLPr(oldName); 4136 } 4137 // If there was no original package, see one for the real package name. 4138 if (ps == null) { 4139 ps = mSettings.peekPackageLPr(pkg.packageName); 4140 } 4141 // Check to see if this package could be hiding/updating a system 4142 // package. Must look for it either under the original or real 4143 // package name depending on our state. 4144 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4145 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4146 } 4147 boolean updatedPkgBetter = false; 4148 // First check if this is a system package that may involve an update 4149 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4150 if (ps != null && !ps.codePath.equals(scanFile)) { 4151 // The path has changed from what was last scanned... check the 4152 // version of the new path against what we have stored to determine 4153 // what to do. 4154 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4155 if (pkg.mVersionCode < ps.versionCode) { 4156 // The system package has been updated and the code path does not match 4157 // Ignore entry. Skip it. 4158 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4159 + " ignored: updated version " + ps.versionCode 4160 + " better than this " + pkg.mVersionCode); 4161 if (!updatedPkg.codePath.equals(scanFile)) { 4162 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4163 + ps.name + " changing from " + updatedPkg.codePathString 4164 + " to " + scanFile); 4165 updatedPkg.codePath = scanFile; 4166 updatedPkg.codePathString = scanFile.toString(); 4167 // This is the point at which we know that the system-disk APK 4168 // for this package has moved during a reboot (e.g. due to an OTA), 4169 // so we need to reevaluate it for privilege policy. 4170 if (locationIsPrivileged(scanFile)) { 4171 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4172 } 4173 } 4174 updatedPkg.pkg = pkg; 4175 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4176 } else { 4177 // The current app on the system partition is better than 4178 // what we have updated to on the data partition; switch 4179 // back to the system partition version. 4180 // At this point, its safely assumed that package installation for 4181 // apps in system partition will go through. If not there won't be a working 4182 // version of the app 4183 // writer 4184 synchronized (mPackages) { 4185 // Just remove the loaded entries from package lists. 4186 mPackages.remove(ps.name); 4187 } 4188 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4189 + "reverting from " + ps.codePathString 4190 + ": new version " + pkg.mVersionCode 4191 + " better than installed " + ps.versionCode); 4192 4193 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4194 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4195 getAppDexInstructionSets(ps)); 4196 synchronized (mInstallLock) { 4197 args.cleanUpResourcesLI(); 4198 } 4199 synchronized (mPackages) { 4200 mSettings.enableSystemPackageLPw(ps.name); 4201 } 4202 updatedPkgBetter = true; 4203 } 4204 } 4205 } 4206 4207 if (updatedPkg != null) { 4208 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4209 // initially 4210 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4211 4212 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4213 // flag set initially 4214 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4215 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4216 } 4217 } 4218 4219 // Verify certificates against what was last scanned 4220 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4221 4222 /* 4223 * A new system app appeared, but we already had a non-system one of the 4224 * same name installed earlier. 4225 */ 4226 boolean shouldHideSystemApp = false; 4227 if (updatedPkg == null && ps != null 4228 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4229 /* 4230 * Check to make sure the signatures match first. If they don't, 4231 * wipe the installed application and its data. 4232 */ 4233 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4234 != PackageManager.SIGNATURE_MATCH) { 4235 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4236 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4237 ps = null; 4238 } else { 4239 /* 4240 * If the newly-added system app is an older version than the 4241 * already installed version, hide it. It will be scanned later 4242 * and re-added like an update. 4243 */ 4244 if (pkg.mVersionCode < ps.versionCode) { 4245 shouldHideSystemApp = true; 4246 } else { 4247 /* 4248 * The newly found system app is a newer version that the 4249 * one previously installed. Simply remove the 4250 * already-installed application and replace it with our own 4251 * while keeping the application data. 4252 */ 4253 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4254 + ps.codePathString + ": new version " + pkg.mVersionCode 4255 + " better than installed " + ps.versionCode); 4256 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4257 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4258 getAppDexInstructionSets(ps)); 4259 synchronized (mInstallLock) { 4260 args.cleanUpResourcesLI(); 4261 } 4262 } 4263 } 4264 } 4265 4266 // The apk is forward locked (not public) if its code and resources 4267 // are kept in different files. (except for app in either system or 4268 // vendor path). 4269 // TODO grab this value from PackageSettings 4270 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4271 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4272 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4273 } 4274 } 4275 4276 // TODO: extend to support forward-locked splits 4277 String resourcePath = null; 4278 String baseResourcePath = null; 4279 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4280 if (ps != null && ps.resourcePathString != null) { 4281 resourcePath = ps.resourcePathString; 4282 baseResourcePath = ps.resourcePathString; 4283 } else { 4284 // Should not happen at all. Just log an error. 4285 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4286 } 4287 } else { 4288 resourcePath = pkg.codePath; 4289 baseResourcePath = pkg.baseCodePath; 4290 } 4291 4292 // Set application objects path explicitly. 4293 pkg.applicationInfo.setCodePath(pkg.codePath); 4294 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4295 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4296 pkg.applicationInfo.setResourcePath(resourcePath); 4297 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4298 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4299 4300 // Note that we invoke the following method only if we are about to unpack an application 4301 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4302 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4303 4304 /* 4305 * If the system app should be overridden by a previously installed 4306 * data, hide the system app now and let the /data/app scan pick it up 4307 * again. 4308 */ 4309 if (shouldHideSystemApp) { 4310 synchronized (mPackages) { 4311 /* 4312 * We have to grant systems permissions before we hide, because 4313 * grantPermissions will assume the package update is trying to 4314 * expand its permissions. 4315 */ 4316 grantPermissionsLPw(pkg, true, pkg.packageName); 4317 mSettings.disableSystemPackageLPw(pkg.packageName); 4318 } 4319 } 4320 4321 return scannedPkg; 4322 } 4323 4324 private static String fixProcessName(String defProcessName, 4325 String processName, int uid) { 4326 if (processName == null) { 4327 return defProcessName; 4328 } 4329 return processName; 4330 } 4331 4332 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4333 throws PackageManagerException { 4334 if (pkgSetting.signatures.mSignatures != null) { 4335 // Already existing package. Make sure signatures match 4336 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4337 == PackageManager.SIGNATURE_MATCH; 4338 if (!match) { 4339 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4340 == PackageManager.SIGNATURE_MATCH; 4341 } 4342 if (!match) { 4343 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4344 + pkg.packageName + " signatures do not match the " 4345 + "previously installed version; ignoring!"); 4346 } 4347 } 4348 4349 // Check for shared user signatures 4350 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4351 // Already existing package. Make sure signatures match 4352 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4353 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4354 if (!match) { 4355 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4356 == PackageManager.SIGNATURE_MATCH; 4357 } 4358 if (!match) { 4359 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4360 "Package " + pkg.packageName 4361 + " has no signatures that match those in shared user " 4362 + pkgSetting.sharedUser.name + "; ignoring!"); 4363 } 4364 } 4365 } 4366 4367 /** 4368 * Enforces that only the system UID or root's UID can call a method exposed 4369 * via Binder. 4370 * 4371 * @param message used as message if SecurityException is thrown 4372 * @throws SecurityException if the caller is not system or root 4373 */ 4374 private static final void enforceSystemOrRoot(String message) { 4375 final int uid = Binder.getCallingUid(); 4376 if (uid != Process.SYSTEM_UID && uid != 0) { 4377 throw new SecurityException(message); 4378 } 4379 } 4380 4381 @Override 4382 public void performBootDexOpt() { 4383 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4384 4385 final HashSet<PackageParser.Package> pkgs; 4386 synchronized (mPackages) { 4387 pkgs = mDeferredDexOpt; 4388 mDeferredDexOpt = null; 4389 } 4390 4391 if (pkgs != null) { 4392 // Filter out packages that aren't recently used. 4393 // 4394 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4395 // should do a full dexopt. 4396 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4397 // TODO: add a property to control this? 4398 long dexOptLRUThresholdInMinutes; 4399 if (mLazyDexOpt) { 4400 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4401 } else { 4402 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4403 } 4404 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4405 4406 int total = pkgs.size(); 4407 int skipped = 0; 4408 long now = System.currentTimeMillis(); 4409 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4410 PackageParser.Package pkg = i.next(); 4411 long then = pkg.mLastPackageUsageTimeInMills; 4412 if (then + dexOptLRUThresholdInMills < now) { 4413 if (DEBUG_DEXOPT) { 4414 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4415 ((then == 0) ? "never" : new Date(then))); 4416 } 4417 i.remove(); 4418 skipped++; 4419 } 4420 } 4421 if (DEBUG_DEXOPT) { 4422 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4423 } 4424 } 4425 4426 int i = 0; 4427 for (PackageParser.Package pkg : pkgs) { 4428 i++; 4429 if (DEBUG_DEXOPT) { 4430 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4431 + ": " + pkg.packageName); 4432 } 4433 if (!isFirstBoot()) { 4434 try { 4435 ActivityManagerNative.getDefault().showBootMessage( 4436 mContext.getResources().getString( 4437 R.string.android_upgrading_apk, 4438 i, pkgs.size()), true); 4439 } catch (RemoteException e) { 4440 } 4441 } 4442 PackageParser.Package p = pkg; 4443 synchronized (mInstallLock) { 4444 performDexOptLI(p, null /* instruction sets */, false /* force dex */, false /* defer */, 4445 true /* include dependencies */); 4446 } 4447 } 4448 } 4449 } 4450 4451 @Override 4452 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4453 return performDexOpt(packageName, instructionSet, false); 4454 } 4455 4456 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4457 if (info.primaryCpuAbi == null) { 4458 return getPreferredInstructionSet(); 4459 } 4460 4461 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4462 } 4463 4464 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4465 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4466 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4467 if (!dexopt && !updateUsage) { 4468 // We aren't going to dexopt or update usage, so bail early. 4469 return false; 4470 } 4471 PackageParser.Package p; 4472 final String targetInstructionSet; 4473 synchronized (mPackages) { 4474 p = mPackages.get(packageName); 4475 if (p == null) { 4476 return false; 4477 } 4478 if (updateUsage) { 4479 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4480 } 4481 mPackageUsage.write(false); 4482 if (!dexopt) { 4483 // We aren't going to dexopt, so bail early. 4484 return false; 4485 } 4486 4487 targetInstructionSet = instructionSet != null ? instructionSet : 4488 getPrimaryInstructionSet(p.applicationInfo); 4489 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4490 return false; 4491 } 4492 } 4493 4494 synchronized (mInstallLock) { 4495 final String[] instructionSets = new String[] { targetInstructionSet }; 4496 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4497 true /* include dependencies */) == DEX_OPT_PERFORMED; 4498 } 4499 } 4500 4501 public HashSet<String> getPackagesThatNeedDexOpt() { 4502 HashSet<String> pkgs = null; 4503 synchronized (mPackages) { 4504 for (PackageParser.Package p : mPackages.values()) { 4505 if (DEBUG_DEXOPT) { 4506 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4507 } 4508 if (!p.mDexOptPerformed.isEmpty()) { 4509 continue; 4510 } 4511 if (pkgs == null) { 4512 pkgs = new HashSet<String>(); 4513 } 4514 pkgs.add(p.packageName); 4515 } 4516 } 4517 return pkgs; 4518 } 4519 4520 public void shutdown() { 4521 mPackageUsage.write(true); 4522 } 4523 4524 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4525 boolean forceDex, boolean defer, HashSet<String> done) { 4526 for (int i=0; i<libs.size(); i++) { 4527 PackageParser.Package libPkg; 4528 String libName; 4529 synchronized (mPackages) { 4530 libName = libs.get(i); 4531 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4532 if (lib != null && lib.apk != null) { 4533 libPkg = mPackages.get(lib.apk); 4534 } else { 4535 libPkg = null; 4536 } 4537 } 4538 if (libPkg != null && !done.contains(libName)) { 4539 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4540 } 4541 } 4542 } 4543 4544 static final int DEX_OPT_SKIPPED = 0; 4545 static final int DEX_OPT_PERFORMED = 1; 4546 static final int DEX_OPT_DEFERRED = 2; 4547 static final int DEX_OPT_FAILED = -1; 4548 4549 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4550 boolean forceDex, boolean defer, HashSet<String> done) { 4551 final String[] instructionSets = targetInstructionSets != null ? 4552 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4553 4554 if (done != null) { 4555 done.add(pkg.packageName); 4556 if (pkg.usesLibraries != null) { 4557 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4558 } 4559 if (pkg.usesOptionalLibraries != null) { 4560 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4561 } 4562 } 4563 4564 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4565 return DEX_OPT_SKIPPED; 4566 } 4567 4568 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4569 4570 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4571 boolean performedDexOpt = false; 4572 // There are three basic cases here: 4573 // 1.) we need to dexopt, either because we are forced or it is needed 4574 // 2.) we are defering a needed dexopt 4575 // 3.) we are skipping an unneeded dexopt 4576 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4577 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4578 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4579 continue; 4580 } 4581 4582 for (String path : paths) { 4583 try { 4584 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4585 // patckage or the one we find does not match the image checksum (i.e. it was 4586 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4587 // odex file and it matches the checksum of the image but not its base address, 4588 // meaning we need to move it. 4589 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4590 pkg.packageName, dexCodeInstructionSet, defer); 4591 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4592 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4593 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4594 + " vmSafeMode=" + vmSafeMode); 4595 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4596 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4597 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4598 4599 if (ret < 0) { 4600 // Don't bother running dexopt again if we failed, it will probably 4601 // just result in an error again. Also, don't bother dexopting for other 4602 // paths & ISAs. 4603 return DEX_OPT_FAILED; 4604 } 4605 4606 performedDexOpt = true; 4607 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4608 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4609 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4610 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4611 pkg.packageName, dexCodeInstructionSet); 4612 4613 if (ret < 0) { 4614 // Don't bother running patchoat again if we failed, it will probably 4615 // just result in an error again. Also, don't bother dexopting for other 4616 // paths & ISAs. 4617 return DEX_OPT_FAILED; 4618 } 4619 4620 performedDexOpt = true; 4621 } 4622 4623 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4624 // paths and instruction sets. We'll deal with them all together when we process 4625 // our list of deferred dexopts. 4626 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4627 if (mDeferredDexOpt == null) { 4628 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4629 } 4630 mDeferredDexOpt.add(pkg); 4631 return DEX_OPT_DEFERRED; 4632 } 4633 } catch (FileNotFoundException e) { 4634 Slog.w(TAG, "Apk not found for dexopt: " + path); 4635 return DEX_OPT_FAILED; 4636 } catch (IOException e) { 4637 Slog.w(TAG, "IOException reading apk: " + path, e); 4638 return DEX_OPT_FAILED; 4639 } catch (StaleDexCacheError e) { 4640 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4641 return DEX_OPT_FAILED; 4642 } catch (Exception e) { 4643 Slog.w(TAG, "Exception when doing dexopt : ", e); 4644 return DEX_OPT_FAILED; 4645 } 4646 } 4647 4648 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4649 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4650 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4651 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4652 // it. 4653 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4654 } 4655 4656 // If we've gotten here, we're sure that no error occurred and that we haven't 4657 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4658 // we've skipped all of them because they are up to date. In both cases this 4659 // package doesn't need dexopt any longer. 4660 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4661 } 4662 4663 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4664 if (info.primaryCpuAbi != null) { 4665 if (info.secondaryCpuAbi != null) { 4666 return new String[] { 4667 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4668 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4669 } else { 4670 return new String[] { 4671 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4672 } 4673 } 4674 4675 return new String[] { getPreferredInstructionSet() }; 4676 } 4677 4678 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4679 if (ps.primaryCpuAbiString != null) { 4680 if (ps.secondaryCpuAbiString != null) { 4681 return new String[] { 4682 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4683 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4684 } else { 4685 return new String[] { 4686 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4687 } 4688 } 4689 4690 return new String[] { getPreferredInstructionSet() }; 4691 } 4692 4693 private static String getPreferredInstructionSet() { 4694 if (sPreferredInstructionSet == null) { 4695 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4696 } 4697 4698 return sPreferredInstructionSet; 4699 } 4700 4701 private static List<String> getAllInstructionSets() { 4702 final String[] allAbis = Build.SUPPORTED_ABIS; 4703 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4704 4705 for (String abi : allAbis) { 4706 final String instructionSet = VMRuntime.getInstructionSet(abi); 4707 if (!allInstructionSets.contains(instructionSet)) { 4708 allInstructionSets.add(instructionSet); 4709 } 4710 } 4711 4712 return allInstructionSets; 4713 } 4714 4715 /** 4716 * Returns the instruction set that should be used to compile dex code. In the presence of 4717 * a native bridge this might be different than the one shared libraries use. 4718 */ 4719 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4720 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4721 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4722 } 4723 4724 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4725 HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length); 4726 for (String instructionSet : instructionSets) { 4727 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4728 } 4729 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4730 } 4731 4732 /** 4733 * Returns deduplicated list of supported instructions for dex code. 4734 */ 4735 public static String[] getAllDexCodeInstructionSets() { 4736 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4737 for (int i = 0; i < supportedInstructionSets.length; i++) { 4738 String abi = Build.SUPPORTED_ABIS[i]; 4739 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4740 } 4741 return getDexCodeInstructionSets(supportedInstructionSets); 4742 } 4743 4744 @Override 4745 public void forceDexOpt(String packageName) { 4746 enforceSystemOrRoot("forceDexOpt"); 4747 4748 PackageParser.Package pkg; 4749 synchronized (mPackages) { 4750 pkg = mPackages.get(packageName); 4751 if (pkg == null) { 4752 throw new IllegalArgumentException("Missing package: " + packageName); 4753 } 4754 } 4755 4756 synchronized (mInstallLock) { 4757 final String[] instructionSets = new String[] { 4758 getPrimaryInstructionSet(pkg.applicationInfo) }; 4759 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4760 if (res != DEX_OPT_PERFORMED) { 4761 throw new IllegalStateException("Failed to dexopt: " + res); 4762 } 4763 } 4764 } 4765 4766 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4767 boolean forceDex, boolean defer, boolean inclDependencies) { 4768 HashSet<String> done; 4769 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4770 done = new HashSet<String>(); 4771 done.add(pkg.packageName); 4772 } else { 4773 done = null; 4774 } 4775 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4776 } 4777 4778 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4779 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4780 Slog.w(TAG, "Unable to update from " + oldPkg.name 4781 + " to " + newPkg.packageName 4782 + ": old package not in system partition"); 4783 return false; 4784 } else if (mPackages.get(oldPkg.name) != null) { 4785 Slog.w(TAG, "Unable to update from " + oldPkg.name 4786 + " to " + newPkg.packageName 4787 + ": old package still exists"); 4788 return false; 4789 } 4790 return true; 4791 } 4792 4793 File getDataPathForUser(int userId) { 4794 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4795 } 4796 4797 private File getDataPathForPackage(String packageName, int userId) { 4798 /* 4799 * Until we fully support multiple users, return the directory we 4800 * previously would have. The PackageManagerTests will need to be 4801 * revised when this is changed back.. 4802 */ 4803 if (userId == 0) { 4804 return new File(mAppDataDir, packageName); 4805 } else { 4806 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4807 + File.separator + packageName); 4808 } 4809 } 4810 4811 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4812 int[] users = sUserManager.getUserIds(); 4813 int res = mInstaller.install(packageName, uid, uid, seinfo); 4814 if (res < 0) { 4815 return res; 4816 } 4817 for (int user : users) { 4818 if (user != 0) { 4819 res = mInstaller.createUserData(packageName, 4820 UserHandle.getUid(user, uid), user, seinfo); 4821 if (res < 0) { 4822 return res; 4823 } 4824 } 4825 } 4826 return res; 4827 } 4828 4829 private int removeDataDirsLI(String packageName) { 4830 int[] users = sUserManager.getUserIds(); 4831 int res = 0; 4832 for (int user : users) { 4833 int resInner = mInstaller.remove(packageName, user); 4834 if (resInner < 0) { 4835 res = resInner; 4836 } 4837 } 4838 4839 return res; 4840 } 4841 4842 private int deleteCodeCacheDirsLI(String packageName) { 4843 int[] users = sUserManager.getUserIds(); 4844 int res = 0; 4845 for (int user : users) { 4846 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4847 if (resInner < 0) { 4848 res = resInner; 4849 } 4850 } 4851 return res; 4852 } 4853 4854 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4855 PackageParser.Package changingLib) { 4856 if (file.path != null) { 4857 usesLibraryFiles.add(file.path); 4858 return; 4859 } 4860 PackageParser.Package p = mPackages.get(file.apk); 4861 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4862 // If we are doing this while in the middle of updating a library apk, 4863 // then we need to make sure to use that new apk for determining the 4864 // dependencies here. (We haven't yet finished committing the new apk 4865 // to the package manager state.) 4866 if (p == null || p.packageName.equals(changingLib.packageName)) { 4867 p = changingLib; 4868 } 4869 } 4870 if (p != null) { 4871 usesLibraryFiles.addAll(p.getAllCodePaths()); 4872 } 4873 } 4874 4875 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4876 PackageParser.Package changingLib) throws PackageManagerException { 4877 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4878 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4879 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4880 for (int i=0; i<N; i++) { 4881 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4882 if (file == null) { 4883 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4884 "Package " + pkg.packageName + " requires unavailable shared library " 4885 + pkg.usesLibraries.get(i) + "; failing!"); 4886 } 4887 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4888 } 4889 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4890 for (int i=0; i<N; i++) { 4891 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4892 if (file == null) { 4893 Slog.w(TAG, "Package " + pkg.packageName 4894 + " desires unavailable shared library " 4895 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4896 } else { 4897 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4898 } 4899 } 4900 N = usesLibraryFiles.size(); 4901 if (N > 0) { 4902 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4903 } else { 4904 pkg.usesLibraryFiles = null; 4905 } 4906 } 4907 } 4908 4909 private static boolean hasString(List<String> list, List<String> which) { 4910 if (list == null) { 4911 return false; 4912 } 4913 for (int i=list.size()-1; i>=0; i--) { 4914 for (int j=which.size()-1; j>=0; j--) { 4915 if (which.get(j).equals(list.get(i))) { 4916 return true; 4917 } 4918 } 4919 } 4920 return false; 4921 } 4922 4923 private void updateAllSharedLibrariesLPw() { 4924 for (PackageParser.Package pkg : mPackages.values()) { 4925 try { 4926 updateSharedLibrariesLPw(pkg, null); 4927 } catch (PackageManagerException e) { 4928 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4929 } 4930 } 4931 } 4932 4933 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4934 PackageParser.Package changingPkg) { 4935 ArrayList<PackageParser.Package> res = null; 4936 for (PackageParser.Package pkg : mPackages.values()) { 4937 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4938 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4939 if (res == null) { 4940 res = new ArrayList<PackageParser.Package>(); 4941 } 4942 res.add(pkg); 4943 try { 4944 updateSharedLibrariesLPw(pkg, changingPkg); 4945 } catch (PackageManagerException e) { 4946 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4947 } 4948 } 4949 } 4950 return res; 4951 } 4952 4953 /** 4954 * Derive the value of the {@code cpuAbiOverride} based on the provided 4955 * value and an optional stored value from the package settings. 4956 */ 4957 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 4958 String cpuAbiOverride = null; 4959 4960 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 4961 cpuAbiOverride = null; 4962 } else if (abiOverride != null) { 4963 cpuAbiOverride = abiOverride; 4964 } else if (settings != null) { 4965 cpuAbiOverride = settings.cpuAbiOverrideString; 4966 } 4967 4968 return cpuAbiOverride; 4969 } 4970 4971 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 4972 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 4973 boolean success = false; 4974 try { 4975 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 4976 currentTime, user); 4977 success = true; 4978 return res; 4979 } finally { 4980 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4981 removeDataDirsLI(pkg.packageName); 4982 } 4983 } 4984 } 4985 4986 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 4987 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 4988 final File scanFile = new File(pkg.codePath); 4989 if (pkg.applicationInfo.getCodePath() == null || 4990 pkg.applicationInfo.getResourcePath() == null) { 4991 // Bail out. The resource and code paths haven't been set. 4992 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 4993 "Code and resource paths haven't been set correctly"); 4994 } 4995 4996 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4997 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4998 } 4999 5000 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5001 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5002 } 5003 5004 if (mCustomResolverComponentName != null && 5005 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5006 setUpCustomResolverActivity(pkg); 5007 } 5008 5009 if (pkg.packageName.equals("android")) { 5010 synchronized (mPackages) { 5011 if (mAndroidApplication != null) { 5012 Slog.w(TAG, "*************************************************"); 5013 Slog.w(TAG, "Core android package being redefined. Skipping."); 5014 Slog.w(TAG, " file=" + scanFile); 5015 Slog.w(TAG, "*************************************************"); 5016 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5017 "Core android package being redefined. Skipping."); 5018 } 5019 5020 // Set up information for our fall-back user intent resolution activity. 5021 mPlatformPackage = pkg; 5022 pkg.mVersionCode = mSdkVersion; 5023 mAndroidApplication = pkg.applicationInfo; 5024 5025 if (!mResolverReplaced) { 5026 mResolveActivity.applicationInfo = mAndroidApplication; 5027 mResolveActivity.name = ResolverActivity.class.getName(); 5028 mResolveActivity.packageName = mAndroidApplication.packageName; 5029 mResolveActivity.processName = "system:ui"; 5030 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5031 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5032 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5033 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5034 mResolveActivity.exported = true; 5035 mResolveActivity.enabled = true; 5036 mResolveInfo.activityInfo = mResolveActivity; 5037 mResolveInfo.priority = 0; 5038 mResolveInfo.preferredOrder = 0; 5039 mResolveInfo.match = 0; 5040 mResolveComponentName = new ComponentName( 5041 mAndroidApplication.packageName, mResolveActivity.name); 5042 } 5043 } 5044 } 5045 5046 if (DEBUG_PACKAGE_SCANNING) { 5047 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5048 Log.d(TAG, "Scanning package " + pkg.packageName); 5049 } 5050 5051 if (mPackages.containsKey(pkg.packageName) 5052 || mSharedLibraries.containsKey(pkg.packageName)) { 5053 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5054 "Application package " + pkg.packageName 5055 + " already installed. Skipping duplicate."); 5056 } 5057 5058 // Initialize package source and resource directories 5059 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5060 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5061 5062 SharedUserSetting suid = null; 5063 PackageSetting pkgSetting = null; 5064 5065 if (!isSystemApp(pkg)) { 5066 // Only system apps can use these features. 5067 pkg.mOriginalPackages = null; 5068 pkg.mRealPackage = null; 5069 pkg.mAdoptPermissions = null; 5070 } 5071 5072 // writer 5073 synchronized (mPackages) { 5074 if (pkg.mSharedUserId != null) { 5075 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5076 if (suid == null) { 5077 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5078 "Creating application package " + pkg.packageName 5079 + " for shared user failed"); 5080 } 5081 if (DEBUG_PACKAGE_SCANNING) { 5082 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5083 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5084 + "): packages=" + suid.packages); 5085 } 5086 } 5087 5088 // Check if we are renaming from an original package name. 5089 PackageSetting origPackage = null; 5090 String realName = null; 5091 if (pkg.mOriginalPackages != null) { 5092 // This package may need to be renamed to a previously 5093 // installed name. Let's check on that... 5094 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5095 if (pkg.mOriginalPackages.contains(renamed)) { 5096 // This package had originally been installed as the 5097 // original name, and we have already taken care of 5098 // transitioning to the new one. Just update the new 5099 // one to continue using the old name. 5100 realName = pkg.mRealPackage; 5101 if (!pkg.packageName.equals(renamed)) { 5102 // Callers into this function may have already taken 5103 // care of renaming the package; only do it here if 5104 // it is not already done. 5105 pkg.setPackageName(renamed); 5106 } 5107 5108 } else { 5109 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5110 if ((origPackage = mSettings.peekPackageLPr( 5111 pkg.mOriginalPackages.get(i))) != null) { 5112 // We do have the package already installed under its 5113 // original name... should we use it? 5114 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5115 // New package is not compatible with original. 5116 origPackage = null; 5117 continue; 5118 } else if (origPackage.sharedUser != null) { 5119 // Make sure uid is compatible between packages. 5120 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5121 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5122 + " to " + pkg.packageName + ": old uid " 5123 + origPackage.sharedUser.name 5124 + " differs from " + pkg.mSharedUserId); 5125 origPackage = null; 5126 continue; 5127 } 5128 } else { 5129 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5130 + pkg.packageName + " to old name " + origPackage.name); 5131 } 5132 break; 5133 } 5134 } 5135 } 5136 } 5137 5138 if (mTransferedPackages.contains(pkg.packageName)) { 5139 Slog.w(TAG, "Package " + pkg.packageName 5140 + " was transferred to another, but its .apk remains"); 5141 } 5142 5143 // Just create the setting, don't add it yet. For already existing packages 5144 // the PkgSetting exists already and doesn't have to be created. 5145 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5146 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5147 pkg.applicationInfo.primaryCpuAbi, 5148 pkg.applicationInfo.secondaryCpuAbi, 5149 pkg.applicationInfo.flags, user, false); 5150 if (pkgSetting == null) { 5151 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5152 "Creating application package " + pkg.packageName + " failed"); 5153 } 5154 5155 if (pkgSetting.origPackage != null) { 5156 // If we are first transitioning from an original package, 5157 // fix up the new package's name now. We need to do this after 5158 // looking up the package under its new name, so getPackageLP 5159 // can take care of fiddling things correctly. 5160 pkg.setPackageName(origPackage.name); 5161 5162 // File a report about this. 5163 String msg = "New package " + pkgSetting.realName 5164 + " renamed to replace old package " + pkgSetting.name; 5165 reportSettingsProblem(Log.WARN, msg); 5166 5167 // Make a note of it. 5168 mTransferedPackages.add(origPackage.name); 5169 5170 // No longer need to retain this. 5171 pkgSetting.origPackage = null; 5172 } 5173 5174 if (realName != null) { 5175 // Make a note of it. 5176 mTransferedPackages.add(pkg.packageName); 5177 } 5178 5179 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5180 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5181 } 5182 5183 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5184 // Check all shared libraries and map to their actual file path. 5185 // We only do this here for apps not on a system dir, because those 5186 // are the only ones that can fail an install due to this. We 5187 // will take care of the system apps by updating all of their 5188 // library paths after the scan is done. 5189 updateSharedLibrariesLPw(pkg, null); 5190 } 5191 5192 if (mFoundPolicyFile) { 5193 SELinuxMMAC.assignSeinfoValue(pkg); 5194 } 5195 5196 pkg.applicationInfo.uid = pkgSetting.appId; 5197 pkg.mExtras = pkgSetting; 5198 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5199 try { 5200 verifySignaturesLP(pkgSetting, pkg); 5201 } catch (PackageManagerException e) { 5202 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5203 throw e; 5204 } 5205 // The signature has changed, but this package is in the system 5206 // image... let's recover! 5207 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5208 // However... if this package is part of a shared user, but it 5209 // doesn't match the signature of the shared user, let's fail. 5210 // What this means is that you can't change the signatures 5211 // associated with an overall shared user, which doesn't seem all 5212 // that unreasonable. 5213 if (pkgSetting.sharedUser != null) { 5214 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5215 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5216 throw new PackageManagerException( 5217 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5218 "Signature mismatch for shared user : " 5219 + pkgSetting.sharedUser); 5220 } 5221 } 5222 // File a report about this. 5223 String msg = "System package " + pkg.packageName 5224 + " signature changed; retaining data."; 5225 reportSettingsProblem(Log.WARN, msg); 5226 } 5227 } else { 5228 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5229 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5230 + pkg.packageName + " upgrade keys do not match the " 5231 + "previously installed version"); 5232 } else { 5233 // signatures may have changed as result of upgrade 5234 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5235 } 5236 } 5237 // Verify that this new package doesn't have any content providers 5238 // that conflict with existing packages. Only do this if the 5239 // package isn't already installed, since we don't want to break 5240 // things that are installed. 5241 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5242 final int N = pkg.providers.size(); 5243 int i; 5244 for (i=0; i<N; i++) { 5245 PackageParser.Provider p = pkg.providers.get(i); 5246 if (p.info.authority != null) { 5247 String names[] = p.info.authority.split(";"); 5248 for (int j = 0; j < names.length; j++) { 5249 if (mProvidersByAuthority.containsKey(names[j])) { 5250 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5251 final String otherPackageName = 5252 ((other != null && other.getComponentName() != null) ? 5253 other.getComponentName().getPackageName() : "?"); 5254 throw new PackageManagerException( 5255 INSTALL_FAILED_CONFLICTING_PROVIDER, 5256 "Can't install because provider name " + names[j] 5257 + " (in package " + pkg.applicationInfo.packageName 5258 + ") is already used by " + otherPackageName); 5259 } 5260 } 5261 } 5262 } 5263 } 5264 5265 if (pkg.mAdoptPermissions != null) { 5266 // This package wants to adopt ownership of permissions from 5267 // another package. 5268 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5269 final String origName = pkg.mAdoptPermissions.get(i); 5270 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5271 if (orig != null) { 5272 if (verifyPackageUpdateLPr(orig, pkg)) { 5273 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5274 + pkg.packageName); 5275 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5276 } 5277 } 5278 } 5279 } 5280 } 5281 5282 final String pkgName = pkg.packageName; 5283 5284 final long scanFileTime = scanFile.lastModified(); 5285 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5286 pkg.applicationInfo.processName = fixProcessName( 5287 pkg.applicationInfo.packageName, 5288 pkg.applicationInfo.processName, 5289 pkg.applicationInfo.uid); 5290 5291 File dataPath; 5292 if (mPlatformPackage == pkg) { 5293 // The system package is special. 5294 dataPath = new File(Environment.getDataDirectory(), "system"); 5295 5296 pkg.applicationInfo.dataDir = dataPath.getPath(); 5297 5298 } else { 5299 // This is a normal package, need to make its data directory. 5300 dataPath = getDataPathForPackage(pkg.packageName, 0); 5301 5302 boolean uidError = false; 5303 if (dataPath.exists()) { 5304 int currentUid = 0; 5305 try { 5306 StructStat stat = Os.stat(dataPath.getPath()); 5307 currentUid = stat.st_uid; 5308 } catch (ErrnoException e) { 5309 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5310 } 5311 5312 // If we have mismatched owners for the data path, we have a problem. 5313 if (currentUid != pkg.applicationInfo.uid) { 5314 boolean recovered = false; 5315 if (currentUid == 0) { 5316 // The directory somehow became owned by root. Wow. 5317 // This is probably because the system was stopped while 5318 // installd was in the middle of messing with its libs 5319 // directory. Ask installd to fix that. 5320 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5321 pkg.applicationInfo.uid); 5322 if (ret >= 0) { 5323 recovered = true; 5324 String msg = "Package " + pkg.packageName 5325 + " unexpectedly changed to uid 0; recovered to " + 5326 + pkg.applicationInfo.uid; 5327 reportSettingsProblem(Log.WARN, msg); 5328 } 5329 } 5330 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5331 || (scanFlags&SCAN_BOOTING) != 0)) { 5332 // If this is a system app, we can at least delete its 5333 // current data so the application will still work. 5334 int ret = removeDataDirsLI(pkgName); 5335 if (ret >= 0) { 5336 // TODO: Kill the processes first 5337 // Old data gone! 5338 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5339 ? "System package " : "Third party package "; 5340 String msg = prefix + pkg.packageName 5341 + " has changed from uid: " 5342 + currentUid + " to " 5343 + pkg.applicationInfo.uid + "; old data erased"; 5344 reportSettingsProblem(Log.WARN, msg); 5345 recovered = true; 5346 5347 // And now re-install the app. 5348 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5349 pkg.applicationInfo.seinfo); 5350 if (ret == -1) { 5351 // Ack should not happen! 5352 msg = prefix + pkg.packageName 5353 + " could not have data directory re-created after delete."; 5354 reportSettingsProblem(Log.WARN, msg); 5355 throw new PackageManagerException( 5356 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5357 } 5358 } 5359 if (!recovered) { 5360 mHasSystemUidErrors = true; 5361 } 5362 } else if (!recovered) { 5363 // If we allow this install to proceed, we will be broken. 5364 // Abort, abort! 5365 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5366 "scanPackageLI"); 5367 } 5368 if (!recovered) { 5369 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5370 + pkg.applicationInfo.uid + "/fs_" 5371 + currentUid; 5372 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5373 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5374 String msg = "Package " + pkg.packageName 5375 + " has mismatched uid: " 5376 + currentUid + " on disk, " 5377 + pkg.applicationInfo.uid + " in settings"; 5378 // writer 5379 synchronized (mPackages) { 5380 mSettings.mReadMessages.append(msg); 5381 mSettings.mReadMessages.append('\n'); 5382 uidError = true; 5383 if (!pkgSetting.uidError) { 5384 reportSettingsProblem(Log.ERROR, msg); 5385 } 5386 } 5387 } 5388 } 5389 pkg.applicationInfo.dataDir = dataPath.getPath(); 5390 if (mShouldRestoreconData) { 5391 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5392 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5393 pkg.applicationInfo.uid); 5394 } 5395 } else { 5396 if (DEBUG_PACKAGE_SCANNING) { 5397 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5398 Log.v(TAG, "Want this data dir: " + dataPath); 5399 } 5400 //invoke installer to do the actual installation 5401 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5402 pkg.applicationInfo.seinfo); 5403 if (ret < 0) { 5404 // Error from installer 5405 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5406 "Unable to create data dirs [errorCode=" + ret + "]"); 5407 } 5408 5409 if (dataPath.exists()) { 5410 pkg.applicationInfo.dataDir = dataPath.getPath(); 5411 } else { 5412 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5413 pkg.applicationInfo.dataDir = null; 5414 } 5415 } 5416 5417 pkgSetting.uidError = uidError; 5418 } 5419 5420 final String path = scanFile.getPath(); 5421 final String codePath = pkg.applicationInfo.getCodePath(); 5422 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5423 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5424 setBundledAppAbisAndRoots(pkg, pkgSetting); 5425 5426 // If we haven't found any native libraries for the app, check if it has 5427 // renderscript code. We'll need to force the app to 32 bit if it has 5428 // renderscript bitcode. 5429 if (pkg.applicationInfo.primaryCpuAbi == null 5430 && pkg.applicationInfo.secondaryCpuAbi == null 5431 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5432 NativeLibraryHelper.Handle handle = null; 5433 try { 5434 handle = NativeLibraryHelper.Handle.create(scanFile); 5435 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5436 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5437 } 5438 } catch (IOException ioe) { 5439 Slog.w(TAG, "Error scanning system app : " + ioe); 5440 } finally { 5441 IoUtils.closeQuietly(handle); 5442 } 5443 } 5444 5445 setNativeLibraryPaths(pkg); 5446 } else { 5447 // TODO: We can probably be smarter about this stuff. For installed apps, 5448 // we can calculate this information at install time once and for all. For 5449 // system apps, we can probably assume that this information doesn't change 5450 // after the first boot scan. As things stand, we do lots of unnecessary work. 5451 5452 // Give ourselves some initial paths; we'll come back for another 5453 // pass once we've determined ABI below. 5454 setNativeLibraryPaths(pkg); 5455 5456 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5457 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5458 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5459 5460 NativeLibraryHelper.Handle handle = null; 5461 try { 5462 handle = NativeLibraryHelper.Handle.create(scanFile); 5463 // TODO(multiArch): This can be null for apps that didn't go through the 5464 // usual installation process. We can calculate it again, like we 5465 // do during install time. 5466 // 5467 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5468 // unnecessary. 5469 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5470 5471 // Null out the abis so that they can be recalculated. 5472 pkg.applicationInfo.primaryCpuAbi = null; 5473 pkg.applicationInfo.secondaryCpuAbi = null; 5474 if (isMultiArch(pkg.applicationInfo)) { 5475 // Warn if we've set an abiOverride for multi-lib packages.. 5476 // By definition, we need to copy both 32 and 64 bit libraries for 5477 // such packages. 5478 if (pkg.cpuAbiOverride != null 5479 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5480 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5481 } 5482 5483 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5484 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5485 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5486 if (isAsec) { 5487 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5488 } else { 5489 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5490 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5491 useIsaSpecificSubdirs); 5492 } 5493 } 5494 5495 maybeThrowExceptionForMultiArchCopy( 5496 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5497 5498 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5499 if (isAsec) { 5500 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5501 } else { 5502 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5503 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5504 useIsaSpecificSubdirs); 5505 } 5506 } 5507 5508 maybeThrowExceptionForMultiArchCopy( 5509 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5510 5511 if (abi64 >= 0) { 5512 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5513 } 5514 5515 if (abi32 >= 0) { 5516 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5517 if (abi64 >= 0) { 5518 pkg.applicationInfo.secondaryCpuAbi = abi; 5519 } else { 5520 pkg.applicationInfo.primaryCpuAbi = abi; 5521 } 5522 } 5523 } else { 5524 String[] abiList = (cpuAbiOverride != null) ? 5525 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5526 5527 // Enable gross and lame hacks for apps that are built with old 5528 // SDK tools. We must scan their APKs for renderscript bitcode and 5529 // not launch them if it's present. Don't bother checking on devices 5530 // that don't have 64 bit support. 5531 boolean needsRenderScriptOverride = false; 5532 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5533 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5534 abiList = Build.SUPPORTED_32_BIT_ABIS; 5535 needsRenderScriptOverride = true; 5536 } 5537 5538 final int copyRet; 5539 if (isAsec) { 5540 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5541 } else { 5542 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5543 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5544 } 5545 5546 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5547 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5548 "Error unpackaging native libs for app, errorCode=" + copyRet); 5549 } 5550 5551 if (copyRet >= 0) { 5552 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5553 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5554 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5555 } else if (needsRenderScriptOverride) { 5556 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5557 } 5558 } 5559 } catch (IOException ioe) { 5560 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5561 } finally { 5562 IoUtils.closeQuietly(handle); 5563 } 5564 5565 // Now that we've calculated the ABIs and determined if it's an internal app, 5566 // we will go ahead and populate the nativeLibraryPath. 5567 setNativeLibraryPaths(pkg); 5568 5569 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5570 final int[] userIds = sUserManager.getUserIds(); 5571 synchronized (mInstallLock) { 5572 // Create a native library symlink only if we have native libraries 5573 // and if the native libraries are 32 bit libraries. We do not provide 5574 // this symlink for 64 bit libraries. 5575 if (pkg.applicationInfo.primaryCpuAbi != null && 5576 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5577 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5578 for (int userId : userIds) { 5579 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5580 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5581 "Failed linking native library dir (user=" + userId + ")"); 5582 } 5583 } 5584 } 5585 } 5586 } 5587 5588 // This is a special case for the "system" package, where the ABI is 5589 // dictated by the zygote configuration (and init.rc). We should keep track 5590 // of this ABI so that we can deal with "normal" applications that run under 5591 // the same UID correctly. 5592 if (mPlatformPackage == pkg) { 5593 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5594 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5595 } 5596 5597 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5598 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5599 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5600 // Copy the derived override back to the parsed package, so that we can 5601 // update the package settings accordingly. 5602 pkg.cpuAbiOverride = cpuAbiOverride; 5603 5604 if (DEBUG_ABI_SELECTION) { 5605 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5606 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5607 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5608 } 5609 5610 // Push the derived path down into PackageSettings so we know what to 5611 // clean up at uninstall time. 5612 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5613 5614 if (DEBUG_ABI_SELECTION) { 5615 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5616 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5617 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5618 } 5619 5620 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5621 // We don't do this here during boot because we can do it all 5622 // at once after scanning all existing packages. 5623 // 5624 // We also do this *before* we perform dexopt on this package, so that 5625 // we can avoid redundant dexopts, and also to make sure we've got the 5626 // code and package path correct. 5627 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5628 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5629 } 5630 5631 if ((scanFlags & SCAN_NO_DEX) == 0) { 5632 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5633 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5634 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5635 } 5636 } 5637 5638 if (mFactoryTest && pkg.requestedPermissions.contains( 5639 android.Manifest.permission.FACTORY_TEST)) { 5640 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5641 } 5642 5643 ArrayList<PackageParser.Package> clientLibPkgs = null; 5644 5645 // writer 5646 synchronized (mPackages) { 5647 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5648 // Only system apps can add new shared libraries. 5649 if (pkg.libraryNames != null) { 5650 for (int i=0; i<pkg.libraryNames.size(); i++) { 5651 String name = pkg.libraryNames.get(i); 5652 boolean allowed = false; 5653 if (isUpdatedSystemApp(pkg)) { 5654 // New library entries can only be added through the 5655 // system image. This is important to get rid of a lot 5656 // of nasty edge cases: for example if we allowed a non- 5657 // system update of the app to add a library, then uninstalling 5658 // the update would make the library go away, and assumptions 5659 // we made such as through app install filtering would now 5660 // have allowed apps on the device which aren't compatible 5661 // with it. Better to just have the restriction here, be 5662 // conservative, and create many fewer cases that can negatively 5663 // impact the user experience. 5664 final PackageSetting sysPs = mSettings 5665 .getDisabledSystemPkgLPr(pkg.packageName); 5666 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5667 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5668 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5669 allowed = true; 5670 allowed = true; 5671 break; 5672 } 5673 } 5674 } 5675 } else { 5676 allowed = true; 5677 } 5678 if (allowed) { 5679 if (!mSharedLibraries.containsKey(name)) { 5680 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5681 } else if (!name.equals(pkg.packageName)) { 5682 Slog.w(TAG, "Package " + pkg.packageName + " library " 5683 + name + " already exists; skipping"); 5684 } 5685 } else { 5686 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5687 + name + " that is not declared on system image; skipping"); 5688 } 5689 } 5690 if ((scanFlags&SCAN_BOOTING) == 0) { 5691 // If we are not booting, we need to update any applications 5692 // that are clients of our shared library. If we are booting, 5693 // this will all be done once the scan is complete. 5694 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5695 } 5696 } 5697 } 5698 } 5699 5700 // We also need to dexopt any apps that are dependent on this library. Note that 5701 // if these fail, we should abort the install since installing the library will 5702 // result in some apps being broken. 5703 if (clientLibPkgs != null) { 5704 if ((scanFlags & SCAN_NO_DEX) == 0) { 5705 for (int i = 0; i < clientLibPkgs.size(); i++) { 5706 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5707 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5708 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5709 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5710 "scanPackageLI failed to dexopt clientLibPkgs"); 5711 } 5712 } 5713 } 5714 } 5715 5716 // Request the ActivityManager to kill the process(only for existing packages) 5717 // so that we do not end up in a confused state while the user is still using the older 5718 // version of the application while the new one gets installed. 5719 if ((scanFlags & SCAN_REPLACING) != 0) { 5720 killApplication(pkg.applicationInfo.packageName, 5721 pkg.applicationInfo.uid, "update pkg"); 5722 } 5723 5724 // Also need to kill any apps that are dependent on the library. 5725 if (clientLibPkgs != null) { 5726 for (int i=0; i<clientLibPkgs.size(); i++) { 5727 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5728 killApplication(clientPkg.applicationInfo.packageName, 5729 clientPkg.applicationInfo.uid, "update lib"); 5730 } 5731 } 5732 5733 // writer 5734 synchronized (mPackages) { 5735 // We don't expect installation to fail beyond this point 5736 5737 // Add the new setting to mSettings 5738 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5739 // Add the new setting to mPackages 5740 mPackages.put(pkg.applicationInfo.packageName, pkg); 5741 // Make sure we don't accidentally delete its data. 5742 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5743 while (iter.hasNext()) { 5744 PackageCleanItem item = iter.next(); 5745 if (pkgName.equals(item.packageName)) { 5746 iter.remove(); 5747 } 5748 } 5749 5750 // Take care of first install / last update times. 5751 if (currentTime != 0) { 5752 if (pkgSetting.firstInstallTime == 0) { 5753 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5754 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5755 pkgSetting.lastUpdateTime = currentTime; 5756 } 5757 } else if (pkgSetting.firstInstallTime == 0) { 5758 // We need *something*. Take time time stamp of the file. 5759 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5760 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5761 if (scanFileTime != pkgSetting.timeStamp) { 5762 // A package on the system image has changed; consider this 5763 // to be an update. 5764 pkgSetting.lastUpdateTime = scanFileTime; 5765 } 5766 } 5767 5768 // Add the package's KeySets to the global KeySetManagerService 5769 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5770 try { 5771 // Old KeySetData no longer valid. 5772 ksms.removeAppKeySetDataLPw(pkg.packageName); 5773 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5774 if (pkg.mKeySetMapping != null) { 5775 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5776 pkg.mKeySetMapping.entrySet()) { 5777 if (entry.getValue() != null) { 5778 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5779 entry.getValue(), entry.getKey()); 5780 } 5781 } 5782 if (pkg.mUpgradeKeySets != null) { 5783 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5784 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5785 } 5786 } 5787 } 5788 } catch (NullPointerException e) { 5789 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5790 } catch (IllegalArgumentException e) { 5791 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5792 } 5793 5794 int N = pkg.providers.size(); 5795 StringBuilder r = null; 5796 int i; 5797 for (i=0; i<N; i++) { 5798 PackageParser.Provider p = pkg.providers.get(i); 5799 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5800 p.info.processName, pkg.applicationInfo.uid); 5801 mProviders.addProvider(p); 5802 p.syncable = p.info.isSyncable; 5803 if (p.info.authority != null) { 5804 String names[] = p.info.authority.split(";"); 5805 p.info.authority = null; 5806 for (int j = 0; j < names.length; j++) { 5807 if (j == 1 && p.syncable) { 5808 // We only want the first authority for a provider to possibly be 5809 // syncable, so if we already added this provider using a different 5810 // authority clear the syncable flag. We copy the provider before 5811 // changing it because the mProviders object contains a reference 5812 // to a provider that we don't want to change. 5813 // Only do this for the second authority since the resulting provider 5814 // object can be the same for all future authorities for this provider. 5815 p = new PackageParser.Provider(p); 5816 p.syncable = false; 5817 } 5818 if (!mProvidersByAuthority.containsKey(names[j])) { 5819 mProvidersByAuthority.put(names[j], p); 5820 if (p.info.authority == null) { 5821 p.info.authority = names[j]; 5822 } else { 5823 p.info.authority = p.info.authority + ";" + names[j]; 5824 } 5825 if (DEBUG_PACKAGE_SCANNING) { 5826 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5827 Log.d(TAG, "Registered content provider: " + names[j] 5828 + ", className = " + p.info.name + ", isSyncable = " 5829 + p.info.isSyncable); 5830 } 5831 } else { 5832 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5833 Slog.w(TAG, "Skipping provider name " + names[j] + 5834 " (in package " + pkg.applicationInfo.packageName + 5835 "): name already used by " 5836 + ((other != null && other.getComponentName() != null) 5837 ? other.getComponentName().getPackageName() : "?")); 5838 } 5839 } 5840 } 5841 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5842 if (r == null) { 5843 r = new StringBuilder(256); 5844 } else { 5845 r.append(' '); 5846 } 5847 r.append(p.info.name); 5848 } 5849 } 5850 if (r != null) { 5851 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5852 } 5853 5854 N = pkg.services.size(); 5855 r = null; 5856 for (i=0; i<N; i++) { 5857 PackageParser.Service s = pkg.services.get(i); 5858 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5859 s.info.processName, pkg.applicationInfo.uid); 5860 mServices.addService(s); 5861 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5862 if (r == null) { 5863 r = new StringBuilder(256); 5864 } else { 5865 r.append(' '); 5866 } 5867 r.append(s.info.name); 5868 } 5869 } 5870 if (r != null) { 5871 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5872 } 5873 5874 N = pkg.receivers.size(); 5875 r = null; 5876 for (i=0; i<N; i++) { 5877 PackageParser.Activity a = pkg.receivers.get(i); 5878 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5879 a.info.processName, pkg.applicationInfo.uid); 5880 mReceivers.addActivity(a, "receiver"); 5881 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5882 if (r == null) { 5883 r = new StringBuilder(256); 5884 } else { 5885 r.append(' '); 5886 } 5887 r.append(a.info.name); 5888 } 5889 } 5890 if (r != null) { 5891 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5892 } 5893 5894 N = pkg.activities.size(); 5895 r = null; 5896 for (i=0; i<N; i++) { 5897 PackageParser.Activity a = pkg.activities.get(i); 5898 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5899 a.info.processName, pkg.applicationInfo.uid); 5900 mActivities.addActivity(a, "activity"); 5901 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5902 if (r == null) { 5903 r = new StringBuilder(256); 5904 } else { 5905 r.append(' '); 5906 } 5907 r.append(a.info.name); 5908 } 5909 } 5910 if (r != null) { 5911 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5912 } 5913 5914 N = pkg.permissionGroups.size(); 5915 r = null; 5916 for (i=0; i<N; i++) { 5917 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5918 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5919 if (cur == null) { 5920 mPermissionGroups.put(pg.info.name, pg); 5921 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5922 if (r == null) { 5923 r = new StringBuilder(256); 5924 } else { 5925 r.append(' '); 5926 } 5927 r.append(pg.info.name); 5928 } 5929 } else { 5930 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5931 + pg.info.packageName + " ignored: original from " 5932 + cur.info.packageName); 5933 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5934 if (r == null) { 5935 r = new StringBuilder(256); 5936 } else { 5937 r.append(' '); 5938 } 5939 r.append("DUP:"); 5940 r.append(pg.info.name); 5941 } 5942 } 5943 } 5944 if (r != null) { 5945 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5946 } 5947 5948 N = pkg.permissions.size(); 5949 r = null; 5950 for (i=0; i<N; i++) { 5951 PackageParser.Permission p = pkg.permissions.get(i); 5952 HashMap<String, BasePermission> permissionMap = 5953 p.tree ? mSettings.mPermissionTrees 5954 : mSettings.mPermissions; 5955 p.group = mPermissionGroups.get(p.info.group); 5956 if (p.info.group == null || p.group != null) { 5957 BasePermission bp = permissionMap.get(p.info.name); 5958 5959 // Allow system apps to redefine non-system permissions 5960 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 5961 final boolean currentOwnerIsSystem = (bp.perm != null 5962 && isSystemApp(bp.perm.owner)); 5963 if (isSystemApp(p.owner) && !currentOwnerIsSystem) { 5964 String msg = "New decl " + p.owner + " of permission " 5965 + p.info.name + " is system; overriding " + bp.sourcePackage; 5966 reportSettingsProblem(Log.WARN, msg); 5967 bp = null; 5968 } 5969 } 5970 5971 if (bp == null) { 5972 bp = new BasePermission(p.info.name, p.info.packageName, 5973 BasePermission.TYPE_NORMAL); 5974 permissionMap.put(p.info.name, bp); 5975 } 5976 5977 if (bp.perm == null) { 5978 if (bp.sourcePackage == null 5979 || bp.sourcePackage.equals(p.info.packageName)) { 5980 BasePermission tree = findPermissionTreeLP(p.info.name); 5981 if (tree == null 5982 || tree.sourcePackage.equals(p.info.packageName)) { 5983 bp.packageSetting = pkgSetting; 5984 bp.perm = p; 5985 bp.uid = pkg.applicationInfo.uid; 5986 bp.sourcePackage = p.info.packageName; 5987 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5988 if (r == null) { 5989 r = new StringBuilder(256); 5990 } else { 5991 r.append(' '); 5992 } 5993 r.append(p.info.name); 5994 } 5995 } else { 5996 Slog.w(TAG, "Permission " + p.info.name + " from package " 5997 + p.info.packageName + " ignored: base tree " 5998 + tree.name + " is from package " 5999 + tree.sourcePackage); 6000 } 6001 } else { 6002 Slog.w(TAG, "Permission " + p.info.name + " from package " 6003 + p.info.packageName + " ignored: original from " 6004 + bp.sourcePackage); 6005 } 6006 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6007 if (r == null) { 6008 r = new StringBuilder(256); 6009 } else { 6010 r.append(' '); 6011 } 6012 r.append("DUP:"); 6013 r.append(p.info.name); 6014 } 6015 if (bp.perm == p) { 6016 bp.protectionLevel = p.info.protectionLevel; 6017 } 6018 } else { 6019 Slog.w(TAG, "Permission " + p.info.name + " from package " 6020 + p.info.packageName + " ignored: no group " 6021 + p.group); 6022 } 6023 } 6024 if (r != null) { 6025 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6026 } 6027 6028 N = pkg.instrumentation.size(); 6029 r = null; 6030 for (i=0; i<N; i++) { 6031 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6032 a.info.packageName = pkg.applicationInfo.packageName; 6033 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6034 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6035 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6036 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6037 a.info.dataDir = pkg.applicationInfo.dataDir; 6038 6039 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6040 // need other information about the application, like the ABI and what not ? 6041 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6042 mInstrumentation.put(a.getComponentName(), a); 6043 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6044 if (r == null) { 6045 r = new StringBuilder(256); 6046 } else { 6047 r.append(' '); 6048 } 6049 r.append(a.info.name); 6050 } 6051 } 6052 if (r != null) { 6053 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6054 } 6055 6056 if (pkg.protectedBroadcasts != null) { 6057 N = pkg.protectedBroadcasts.size(); 6058 for (i=0; i<N; i++) { 6059 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6060 } 6061 } 6062 6063 pkgSetting.setTimeStamp(scanFileTime); 6064 6065 // Create idmap files for pairs of (packages, overlay packages). 6066 // Note: "android", ie framework-res.apk, is handled by native layers. 6067 if (pkg.mOverlayTarget != null) { 6068 // This is an overlay package. 6069 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6070 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6071 mOverlays.put(pkg.mOverlayTarget, 6072 new HashMap<String, PackageParser.Package>()); 6073 } 6074 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6075 map.put(pkg.packageName, pkg); 6076 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6077 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6078 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6079 "scanPackageLI failed to createIdmap"); 6080 } 6081 } 6082 } else if (mOverlays.containsKey(pkg.packageName) && 6083 !pkg.packageName.equals("android")) { 6084 // This is a regular package, with one or more known overlay packages. 6085 createIdmapsForPackageLI(pkg); 6086 } 6087 } 6088 6089 return pkg; 6090 } 6091 6092 /** 6093 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6094 * i.e, so that all packages can be run inside a single process if required. 6095 * 6096 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6097 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6098 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6099 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6100 * updating a package that belongs to a shared user. 6101 * 6102 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6103 * adds unnecessary complexity. 6104 */ 6105 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6106 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6107 String requiredInstructionSet = null; 6108 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6109 requiredInstructionSet = VMRuntime.getInstructionSet( 6110 scannedPackage.applicationInfo.primaryCpuAbi); 6111 } 6112 6113 PackageSetting requirer = null; 6114 for (PackageSetting ps : packagesForUser) { 6115 // If packagesForUser contains scannedPackage, we skip it. This will happen 6116 // when scannedPackage is an update of an existing package. Without this check, 6117 // we will never be able to change the ABI of any package belonging to a shared 6118 // user, even if it's compatible with other packages. 6119 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6120 if (ps.primaryCpuAbiString == null) { 6121 continue; 6122 } 6123 6124 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6125 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6126 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6127 // this but there's not much we can do. 6128 String errorMessage = "Instruction set mismatch, " 6129 + ((requirer == null) ? "[caller]" : requirer) 6130 + " requires " + requiredInstructionSet + " whereas " + ps 6131 + " requires " + instructionSet; 6132 Slog.w(TAG, errorMessage); 6133 } 6134 6135 if (requiredInstructionSet == null) { 6136 requiredInstructionSet = instructionSet; 6137 requirer = ps; 6138 } 6139 } 6140 } 6141 6142 if (requiredInstructionSet != null) { 6143 String adjustedAbi; 6144 if (requirer != null) { 6145 // requirer != null implies that either scannedPackage was null or that scannedPackage 6146 // did not require an ABI, in which case we have to adjust scannedPackage to match 6147 // the ABI of the set (which is the same as requirer's ABI) 6148 adjustedAbi = requirer.primaryCpuAbiString; 6149 if (scannedPackage != null) { 6150 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6151 } 6152 } else { 6153 // requirer == null implies that we're updating all ABIs in the set to 6154 // match scannedPackage. 6155 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6156 } 6157 6158 for (PackageSetting ps : packagesForUser) { 6159 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6160 if (ps.primaryCpuAbiString != null) { 6161 continue; 6162 } 6163 6164 ps.primaryCpuAbiString = adjustedAbi; 6165 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6166 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6167 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6168 6169 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6170 deferDexOpt, true) == DEX_OPT_FAILED) { 6171 ps.primaryCpuAbiString = null; 6172 ps.pkg.applicationInfo.primaryCpuAbi = null; 6173 return; 6174 } else { 6175 mInstaller.rmdex(ps.codePathString, 6176 getDexCodeInstructionSet(getPreferredInstructionSet())); 6177 } 6178 } 6179 } 6180 } 6181 } 6182 } 6183 6184 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6185 synchronized (mPackages) { 6186 mResolverReplaced = true; 6187 // Set up information for custom user intent resolution activity. 6188 mResolveActivity.applicationInfo = pkg.applicationInfo; 6189 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6190 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6191 mResolveActivity.processName = null; 6192 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6193 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6194 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6195 mResolveActivity.theme = 0; 6196 mResolveActivity.exported = true; 6197 mResolveActivity.enabled = true; 6198 mResolveInfo.activityInfo = mResolveActivity; 6199 mResolveInfo.priority = 0; 6200 mResolveInfo.preferredOrder = 0; 6201 mResolveInfo.match = 0; 6202 mResolveComponentName = mCustomResolverComponentName; 6203 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6204 mResolveComponentName); 6205 } 6206 } 6207 6208 private static String calculateBundledApkRoot(final String codePathString) { 6209 final File codePath = new File(codePathString); 6210 final File codeRoot; 6211 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6212 codeRoot = Environment.getRootDirectory(); 6213 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6214 codeRoot = Environment.getOemDirectory(); 6215 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6216 codeRoot = Environment.getVendorDirectory(); 6217 } else { 6218 // Unrecognized code path; take its top real segment as the apk root: 6219 // e.g. /something/app/blah.apk => /something 6220 try { 6221 File f = codePath.getCanonicalFile(); 6222 File parent = f.getParentFile(); // non-null because codePath is a file 6223 File tmp; 6224 while ((tmp = parent.getParentFile()) != null) { 6225 f = parent; 6226 parent = tmp; 6227 } 6228 codeRoot = f; 6229 Slog.w(TAG, "Unrecognized code path " 6230 + codePath + " - using " + codeRoot); 6231 } catch (IOException e) { 6232 // Can't canonicalize the code path -- shenanigans? 6233 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6234 return Environment.getRootDirectory().getPath(); 6235 } 6236 } 6237 return codeRoot.getPath(); 6238 } 6239 6240 /** 6241 * Derive and set the location of native libraries for the given package, 6242 * which varies depending on where and how the package was installed. 6243 */ 6244 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6245 final ApplicationInfo info = pkg.applicationInfo; 6246 final String codePath = pkg.codePath; 6247 final File codeFile = new File(codePath); 6248 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6249 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6250 6251 info.nativeLibraryRootDir = null; 6252 info.nativeLibraryRootRequiresIsa = false; 6253 info.nativeLibraryDir = null; 6254 info.secondaryNativeLibraryDir = null; 6255 6256 if (isApkFile(codeFile)) { 6257 // Monolithic install 6258 if (bundledApp) { 6259 // If "/system/lib64/apkname" exists, assume that is the per-package 6260 // native library directory to use; otherwise use "/system/lib/apkname". 6261 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6262 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6263 getPrimaryInstructionSet(info)); 6264 6265 // This is a bundled system app so choose the path based on the ABI. 6266 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6267 // is just the default path. 6268 final String apkName = deriveCodePathName(codePath); 6269 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6270 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6271 apkName).getAbsolutePath(); 6272 6273 if (info.secondaryCpuAbi != null) { 6274 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6275 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6276 secondaryLibDir, apkName).getAbsolutePath(); 6277 } 6278 } else if (asecApp) { 6279 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6280 .getAbsolutePath(); 6281 } else { 6282 final String apkName = deriveCodePathName(codePath); 6283 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6284 .getAbsolutePath(); 6285 } 6286 6287 info.nativeLibraryRootRequiresIsa = false; 6288 info.nativeLibraryDir = info.nativeLibraryRootDir; 6289 } else { 6290 // Cluster install 6291 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6292 info.nativeLibraryRootRequiresIsa = true; 6293 6294 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6295 getPrimaryInstructionSet(info)).getAbsolutePath(); 6296 6297 if (info.secondaryCpuAbi != null) { 6298 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6299 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6300 } 6301 } 6302 } 6303 6304 /** 6305 * Calculate the abis and roots for a bundled app. These can uniquely 6306 * be determined from the contents of the system partition, i.e whether 6307 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6308 * of this information, and instead assume that the system was built 6309 * sensibly. 6310 */ 6311 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6312 PackageSetting pkgSetting) { 6313 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6314 6315 // If "/system/lib64/apkname" exists, assume that is the per-package 6316 // native library directory to use; otherwise use "/system/lib/apkname". 6317 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6318 setBundledAppAbi(pkg, apkRoot, apkName); 6319 // pkgSetting might be null during rescan following uninstall of updates 6320 // to a bundled app, so accommodate that possibility. The settings in 6321 // that case will be established later from the parsed package. 6322 // 6323 // If the settings aren't null, sync them up with what we've just derived. 6324 // note that apkRoot isn't stored in the package settings. 6325 if (pkgSetting != null) { 6326 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6327 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6328 } 6329 } 6330 6331 /** 6332 * Deduces the ABI of a bundled app and sets the relevant fields on the 6333 * parsed pkg object. 6334 * 6335 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6336 * under which system libraries are installed. 6337 * @param apkName the name of the installed package. 6338 */ 6339 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6340 final File codeFile = new File(pkg.codePath); 6341 6342 final boolean has64BitLibs; 6343 final boolean has32BitLibs; 6344 if (isApkFile(codeFile)) { 6345 // Monolithic install 6346 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6347 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6348 } else { 6349 // Cluster install 6350 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6351 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6352 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6353 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6354 has64BitLibs = (new File(rootDir, isa)).exists(); 6355 } else { 6356 has64BitLibs = false; 6357 } 6358 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6359 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6360 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6361 has32BitLibs = (new File(rootDir, isa)).exists(); 6362 } else { 6363 has32BitLibs = false; 6364 } 6365 } 6366 6367 if (has64BitLibs && !has32BitLibs) { 6368 // The package has 64 bit libs, but not 32 bit libs. Its primary 6369 // ABI should be 64 bit. We can safely assume here that the bundled 6370 // native libraries correspond to the most preferred ABI in the list. 6371 6372 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6373 pkg.applicationInfo.secondaryCpuAbi = null; 6374 } else if (has32BitLibs && !has64BitLibs) { 6375 // The package has 32 bit libs but not 64 bit libs. Its primary 6376 // ABI should be 32 bit. 6377 6378 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6379 pkg.applicationInfo.secondaryCpuAbi = null; 6380 } else if (has32BitLibs && has64BitLibs) { 6381 // The application has both 64 and 32 bit bundled libraries. We check 6382 // here that the app declares multiArch support, and warn if it doesn't. 6383 // 6384 // We will be lenient here and record both ABIs. The primary will be the 6385 // ABI that's higher on the list, i.e, a device that's configured to prefer 6386 // 64 bit apps will see a 64 bit primary ABI, 6387 6388 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6389 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6390 } 6391 6392 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6393 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6394 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6395 } else { 6396 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6397 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6398 } 6399 } else { 6400 pkg.applicationInfo.primaryCpuAbi = null; 6401 pkg.applicationInfo.secondaryCpuAbi = null; 6402 } 6403 } 6404 6405 private void killApplication(String pkgName, int appId, String reason) { 6406 // Request the ActivityManager to kill the process(only for existing packages) 6407 // so that we do not end up in a confused state while the user is still using the older 6408 // version of the application while the new one gets installed. 6409 IActivityManager am = ActivityManagerNative.getDefault(); 6410 if (am != null) { 6411 try { 6412 am.killApplicationWithAppId(pkgName, appId, reason); 6413 } catch (RemoteException e) { 6414 } 6415 } 6416 } 6417 6418 void removePackageLI(PackageSetting ps, boolean chatty) { 6419 if (DEBUG_INSTALL) { 6420 if (chatty) 6421 Log.d(TAG, "Removing package " + ps.name); 6422 } 6423 6424 // writer 6425 synchronized (mPackages) { 6426 mPackages.remove(ps.name); 6427 final PackageParser.Package pkg = ps.pkg; 6428 if (pkg != null) { 6429 cleanPackageDataStructuresLILPw(pkg, chatty); 6430 } 6431 } 6432 } 6433 6434 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6435 if (DEBUG_INSTALL) { 6436 if (chatty) 6437 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6438 } 6439 6440 // writer 6441 synchronized (mPackages) { 6442 mPackages.remove(pkg.applicationInfo.packageName); 6443 cleanPackageDataStructuresLILPw(pkg, chatty); 6444 } 6445 } 6446 6447 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6448 int N = pkg.providers.size(); 6449 StringBuilder r = null; 6450 int i; 6451 for (i=0; i<N; i++) { 6452 PackageParser.Provider p = pkg.providers.get(i); 6453 mProviders.removeProvider(p); 6454 if (p.info.authority == null) { 6455 6456 /* There was another ContentProvider with this authority when 6457 * this app was installed so this authority is null, 6458 * Ignore it as we don't have to unregister the provider. 6459 */ 6460 continue; 6461 } 6462 String names[] = p.info.authority.split(";"); 6463 for (int j = 0; j < names.length; j++) { 6464 if (mProvidersByAuthority.get(names[j]) == p) { 6465 mProvidersByAuthority.remove(names[j]); 6466 if (DEBUG_REMOVE) { 6467 if (chatty) 6468 Log.d(TAG, "Unregistered content provider: " + names[j] 6469 + ", className = " + p.info.name + ", isSyncable = " 6470 + p.info.isSyncable); 6471 } 6472 } 6473 } 6474 if (DEBUG_REMOVE && chatty) { 6475 if (r == null) { 6476 r = new StringBuilder(256); 6477 } else { 6478 r.append(' '); 6479 } 6480 r.append(p.info.name); 6481 } 6482 } 6483 if (r != null) { 6484 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6485 } 6486 6487 N = pkg.services.size(); 6488 r = null; 6489 for (i=0; i<N; i++) { 6490 PackageParser.Service s = pkg.services.get(i); 6491 mServices.removeService(s); 6492 if (chatty) { 6493 if (r == null) { 6494 r = new StringBuilder(256); 6495 } else { 6496 r.append(' '); 6497 } 6498 r.append(s.info.name); 6499 } 6500 } 6501 if (r != null) { 6502 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6503 } 6504 6505 N = pkg.receivers.size(); 6506 r = null; 6507 for (i=0; i<N; i++) { 6508 PackageParser.Activity a = pkg.receivers.get(i); 6509 mReceivers.removeActivity(a, "receiver"); 6510 if (DEBUG_REMOVE && chatty) { 6511 if (r == null) { 6512 r = new StringBuilder(256); 6513 } else { 6514 r.append(' '); 6515 } 6516 r.append(a.info.name); 6517 } 6518 } 6519 if (r != null) { 6520 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6521 } 6522 6523 N = pkg.activities.size(); 6524 r = null; 6525 for (i=0; i<N; i++) { 6526 PackageParser.Activity a = pkg.activities.get(i); 6527 mActivities.removeActivity(a, "activity"); 6528 if (DEBUG_REMOVE && chatty) { 6529 if (r == null) { 6530 r = new StringBuilder(256); 6531 } else { 6532 r.append(' '); 6533 } 6534 r.append(a.info.name); 6535 } 6536 } 6537 if (r != null) { 6538 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6539 } 6540 6541 N = pkg.permissions.size(); 6542 r = null; 6543 for (i=0; i<N; i++) { 6544 PackageParser.Permission p = pkg.permissions.get(i); 6545 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6546 if (bp == null) { 6547 bp = mSettings.mPermissionTrees.get(p.info.name); 6548 } 6549 if (bp != null && bp.perm == p) { 6550 bp.perm = null; 6551 if (DEBUG_REMOVE && chatty) { 6552 if (r == null) { 6553 r = new StringBuilder(256); 6554 } else { 6555 r.append(' '); 6556 } 6557 r.append(p.info.name); 6558 } 6559 } 6560 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6561 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6562 if (appOpPerms != null) { 6563 appOpPerms.remove(pkg.packageName); 6564 } 6565 } 6566 } 6567 if (r != null) { 6568 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6569 } 6570 6571 N = pkg.requestedPermissions.size(); 6572 r = null; 6573 for (i=0; i<N; i++) { 6574 String perm = pkg.requestedPermissions.get(i); 6575 BasePermission bp = mSettings.mPermissions.get(perm); 6576 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6577 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6578 if (appOpPerms != null) { 6579 appOpPerms.remove(pkg.packageName); 6580 if (appOpPerms.isEmpty()) { 6581 mAppOpPermissionPackages.remove(perm); 6582 } 6583 } 6584 } 6585 } 6586 if (r != null) { 6587 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6588 } 6589 6590 N = pkg.instrumentation.size(); 6591 r = null; 6592 for (i=0; i<N; i++) { 6593 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6594 mInstrumentation.remove(a.getComponentName()); 6595 if (DEBUG_REMOVE && chatty) { 6596 if (r == null) { 6597 r = new StringBuilder(256); 6598 } else { 6599 r.append(' '); 6600 } 6601 r.append(a.info.name); 6602 } 6603 } 6604 if (r != null) { 6605 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6606 } 6607 6608 r = null; 6609 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6610 // Only system apps can hold shared libraries. 6611 if (pkg.libraryNames != null) { 6612 for (i=0; i<pkg.libraryNames.size(); i++) { 6613 String name = pkg.libraryNames.get(i); 6614 SharedLibraryEntry cur = mSharedLibraries.get(name); 6615 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6616 mSharedLibraries.remove(name); 6617 if (DEBUG_REMOVE && chatty) { 6618 if (r == null) { 6619 r = new StringBuilder(256); 6620 } else { 6621 r.append(' '); 6622 } 6623 r.append(name); 6624 } 6625 } 6626 } 6627 } 6628 } 6629 if (r != null) { 6630 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6631 } 6632 } 6633 6634 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6635 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6636 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6637 return true; 6638 } 6639 } 6640 return false; 6641 } 6642 6643 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6644 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6645 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6646 6647 private void updatePermissionsLPw(String changingPkg, 6648 PackageParser.Package pkgInfo, int flags) { 6649 // Make sure there are no dangling permission trees. 6650 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6651 while (it.hasNext()) { 6652 final BasePermission bp = it.next(); 6653 if (bp.packageSetting == null) { 6654 // We may not yet have parsed the package, so just see if 6655 // we still know about its settings. 6656 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6657 } 6658 if (bp.packageSetting == null) { 6659 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6660 + " from package " + bp.sourcePackage); 6661 it.remove(); 6662 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6663 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6664 Slog.i(TAG, "Removing old permission tree: " + bp.name 6665 + " from package " + bp.sourcePackage); 6666 flags |= UPDATE_PERMISSIONS_ALL; 6667 it.remove(); 6668 } 6669 } 6670 } 6671 6672 // Make sure all dynamic permissions have been assigned to a package, 6673 // and make sure there are no dangling permissions. 6674 it = mSettings.mPermissions.values().iterator(); 6675 while (it.hasNext()) { 6676 final BasePermission bp = it.next(); 6677 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6678 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6679 + bp.name + " pkg=" + bp.sourcePackage 6680 + " info=" + bp.pendingInfo); 6681 if (bp.packageSetting == null && bp.pendingInfo != null) { 6682 final BasePermission tree = findPermissionTreeLP(bp.name); 6683 if (tree != null && tree.perm != null) { 6684 bp.packageSetting = tree.packageSetting; 6685 bp.perm = new PackageParser.Permission(tree.perm.owner, 6686 new PermissionInfo(bp.pendingInfo)); 6687 bp.perm.info.packageName = tree.perm.info.packageName; 6688 bp.perm.info.name = bp.name; 6689 bp.uid = tree.uid; 6690 } 6691 } 6692 } 6693 if (bp.packageSetting == null) { 6694 // We may not yet have parsed the package, so just see if 6695 // we still know about its settings. 6696 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6697 } 6698 if (bp.packageSetting == null) { 6699 Slog.w(TAG, "Removing dangling permission: " + bp.name 6700 + " from package " + bp.sourcePackage); 6701 it.remove(); 6702 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6703 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6704 Slog.i(TAG, "Removing old permission: " + bp.name 6705 + " from package " + bp.sourcePackage); 6706 flags |= UPDATE_PERMISSIONS_ALL; 6707 it.remove(); 6708 } 6709 } 6710 } 6711 6712 // Now update the permissions for all packages, in particular 6713 // replace the granted permissions of the system packages. 6714 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6715 for (PackageParser.Package pkg : mPackages.values()) { 6716 if (pkg != pkgInfo) { 6717 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6718 changingPkg); 6719 } 6720 } 6721 } 6722 6723 if (pkgInfo != null) { 6724 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6725 } 6726 } 6727 6728 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6729 String packageOfInterest) { 6730 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6731 if (ps == null) { 6732 return; 6733 } 6734 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6735 HashSet<String> origPermissions = gp.grantedPermissions; 6736 boolean changedPermission = false; 6737 6738 if (replace) { 6739 ps.permissionsFixed = false; 6740 if (gp == ps) { 6741 origPermissions = new HashSet<String>(gp.grantedPermissions); 6742 gp.grantedPermissions.clear(); 6743 gp.gids = mGlobalGids; 6744 } 6745 } 6746 6747 if (gp.gids == null) { 6748 gp.gids = mGlobalGids; 6749 } 6750 6751 final int N = pkg.requestedPermissions.size(); 6752 for (int i=0; i<N; i++) { 6753 final String name = pkg.requestedPermissions.get(i); 6754 final boolean required = pkg.requestedPermissionsRequired.get(i); 6755 final BasePermission bp = mSettings.mPermissions.get(name); 6756 if (DEBUG_INSTALL) { 6757 if (gp != ps) { 6758 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6759 } 6760 } 6761 6762 if (bp == null || bp.packageSetting == null) { 6763 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6764 Slog.w(TAG, "Unknown permission " + name 6765 + " in package " + pkg.packageName); 6766 } 6767 continue; 6768 } 6769 6770 final String perm = bp.name; 6771 boolean allowed; 6772 boolean allowedSig = false; 6773 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6774 // Keep track of app op permissions. 6775 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6776 if (pkgs == null) { 6777 pkgs = new ArraySet<>(); 6778 mAppOpPermissionPackages.put(bp.name, pkgs); 6779 } 6780 pkgs.add(pkg.packageName); 6781 } 6782 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6783 if (level == PermissionInfo.PROTECTION_NORMAL 6784 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6785 // We grant a normal or dangerous permission if any of the following 6786 // are true: 6787 // 1) The permission is required 6788 // 2) The permission is optional, but was granted in the past 6789 // 3) The permission is optional, but was requested by an 6790 // app in /system (not /data) 6791 // 6792 // Otherwise, reject the permission. 6793 allowed = (required || origPermissions.contains(perm) 6794 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6795 } else if (bp.packageSetting == null) { 6796 // This permission is invalid; skip it. 6797 allowed = false; 6798 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6799 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6800 if (allowed) { 6801 allowedSig = true; 6802 } 6803 } else { 6804 allowed = false; 6805 } 6806 if (DEBUG_INSTALL) { 6807 if (gp != ps) { 6808 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6809 } 6810 } 6811 if (allowed) { 6812 if (!isSystemApp(ps) && ps.permissionsFixed) { 6813 // If this is an existing, non-system package, then 6814 // we can't add any new permissions to it. 6815 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6816 // Except... if this is a permission that was added 6817 // to the platform (note: need to only do this when 6818 // updating the platform). 6819 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6820 } 6821 } 6822 if (allowed) { 6823 if (!gp.grantedPermissions.contains(perm)) { 6824 changedPermission = true; 6825 gp.grantedPermissions.add(perm); 6826 gp.gids = appendInts(gp.gids, bp.gids); 6827 } else if (!ps.haveGids) { 6828 gp.gids = appendInts(gp.gids, bp.gids); 6829 } 6830 } else { 6831 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6832 Slog.w(TAG, "Not granting permission " + perm 6833 + " to package " + pkg.packageName 6834 + " because it was previously installed without"); 6835 } 6836 } 6837 } else { 6838 if (gp.grantedPermissions.remove(perm)) { 6839 changedPermission = true; 6840 gp.gids = removeInts(gp.gids, bp.gids); 6841 Slog.i(TAG, "Un-granting permission " + perm 6842 + " from package " + pkg.packageName 6843 + " (protectionLevel=" + bp.protectionLevel 6844 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6845 + ")"); 6846 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6847 // Don't print warning for app op permissions, since it is fine for them 6848 // not to be granted, there is a UI for the user to decide. 6849 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6850 Slog.w(TAG, "Not granting permission " + perm 6851 + " to package " + pkg.packageName 6852 + " (protectionLevel=" + bp.protectionLevel 6853 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6854 + ")"); 6855 } 6856 } 6857 } 6858 } 6859 6860 if ((changedPermission || replace) && !ps.permissionsFixed && 6861 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6862 // This is the first that we have heard about this package, so the 6863 // permissions we have now selected are fixed until explicitly 6864 // changed. 6865 ps.permissionsFixed = true; 6866 } 6867 ps.haveGids = true; 6868 } 6869 6870 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6871 boolean allowed = false; 6872 final int NP = PackageParser.NEW_PERMISSIONS.length; 6873 for (int ip=0; ip<NP; ip++) { 6874 final PackageParser.NewPermissionInfo npi 6875 = PackageParser.NEW_PERMISSIONS[ip]; 6876 if (npi.name.equals(perm) 6877 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6878 allowed = true; 6879 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6880 + pkg.packageName); 6881 break; 6882 } 6883 } 6884 return allowed; 6885 } 6886 6887 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6888 BasePermission bp, HashSet<String> origPermissions) { 6889 boolean allowed; 6890 allowed = (compareSignatures( 6891 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6892 == PackageManager.SIGNATURE_MATCH) 6893 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6894 == PackageManager.SIGNATURE_MATCH); 6895 if (!allowed && (bp.protectionLevel 6896 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6897 if (isSystemApp(pkg)) { 6898 // For updated system applications, a system permission 6899 // is granted only if it had been defined by the original application. 6900 if (isUpdatedSystemApp(pkg)) { 6901 final PackageSetting sysPs = mSettings 6902 .getDisabledSystemPkgLPr(pkg.packageName); 6903 final GrantedPermissions origGp = sysPs.sharedUser != null 6904 ? sysPs.sharedUser : sysPs; 6905 6906 if (origGp.grantedPermissions.contains(perm)) { 6907 // If the original was granted this permission, we take 6908 // that grant decision as read and propagate it to the 6909 // update. 6910 allowed = true; 6911 } else { 6912 // The system apk may have been updated with an older 6913 // version of the one on the data partition, but which 6914 // granted a new system permission that it didn't have 6915 // before. In this case we do want to allow the app to 6916 // now get the new permission if the ancestral apk is 6917 // privileged to get it. 6918 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6919 for (int j=0; 6920 j<sysPs.pkg.requestedPermissions.size(); j++) { 6921 if (perm.equals( 6922 sysPs.pkg.requestedPermissions.get(j))) { 6923 allowed = true; 6924 break; 6925 } 6926 } 6927 } 6928 } 6929 } else { 6930 allowed = isPrivilegedApp(pkg); 6931 } 6932 } 6933 } 6934 if (!allowed && (bp.protectionLevel 6935 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6936 // For development permissions, a development permission 6937 // is granted only if it was already granted. 6938 allowed = origPermissions.contains(perm); 6939 } 6940 return allowed; 6941 } 6942 6943 final class ActivityIntentResolver 6944 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6945 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6946 boolean defaultOnly, int userId) { 6947 if (!sUserManager.exists(userId)) return null; 6948 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6949 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6950 } 6951 6952 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6953 int userId) { 6954 if (!sUserManager.exists(userId)) return null; 6955 mFlags = flags; 6956 return super.queryIntent(intent, resolvedType, 6957 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6958 } 6959 6960 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6961 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6962 if (!sUserManager.exists(userId)) return null; 6963 if (packageActivities == null) { 6964 return null; 6965 } 6966 mFlags = flags; 6967 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6968 final int N = packageActivities.size(); 6969 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6970 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6971 6972 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6973 for (int i = 0; i < N; ++i) { 6974 intentFilters = packageActivities.get(i).intents; 6975 if (intentFilters != null && intentFilters.size() > 0) { 6976 PackageParser.ActivityIntentInfo[] array = 6977 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6978 intentFilters.toArray(array); 6979 listCut.add(array); 6980 } 6981 } 6982 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6983 } 6984 6985 public final void addActivity(PackageParser.Activity a, String type) { 6986 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6987 mActivities.put(a.getComponentName(), a); 6988 if (DEBUG_SHOW_INFO) 6989 Log.v( 6990 TAG, " " + type + " " + 6991 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6992 if (DEBUG_SHOW_INFO) 6993 Log.v(TAG, " Class=" + a.info.name); 6994 final int NI = a.intents.size(); 6995 for (int j=0; j<NI; j++) { 6996 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6997 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6998 intent.setPriority(0); 6999 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7000 + a.className + " with priority > 0, forcing to 0"); 7001 } 7002 if (DEBUG_SHOW_INFO) { 7003 Log.v(TAG, " IntentFilter:"); 7004 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7005 } 7006 if (!intent.debugCheck()) { 7007 Log.w(TAG, "==> For Activity " + a.info.name); 7008 } 7009 addFilter(intent); 7010 } 7011 } 7012 7013 public final void removeActivity(PackageParser.Activity a, String type) { 7014 mActivities.remove(a.getComponentName()); 7015 if (DEBUG_SHOW_INFO) { 7016 Log.v(TAG, " " + type + " " 7017 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7018 : a.info.name) + ":"); 7019 Log.v(TAG, " Class=" + a.info.name); 7020 } 7021 final int NI = a.intents.size(); 7022 for (int j=0; j<NI; j++) { 7023 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7024 if (DEBUG_SHOW_INFO) { 7025 Log.v(TAG, " IntentFilter:"); 7026 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7027 } 7028 removeFilter(intent); 7029 } 7030 } 7031 7032 @Override 7033 protected boolean allowFilterResult( 7034 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7035 ActivityInfo filterAi = filter.activity.info; 7036 for (int i=dest.size()-1; i>=0; i--) { 7037 ActivityInfo destAi = dest.get(i).activityInfo; 7038 if (destAi.name == filterAi.name 7039 && destAi.packageName == filterAi.packageName) { 7040 return false; 7041 } 7042 } 7043 return true; 7044 } 7045 7046 @Override 7047 protected ActivityIntentInfo[] newArray(int size) { 7048 return new ActivityIntentInfo[size]; 7049 } 7050 7051 @Override 7052 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7053 if (!sUserManager.exists(userId)) return true; 7054 PackageParser.Package p = filter.activity.owner; 7055 if (p != null) { 7056 PackageSetting ps = (PackageSetting)p.mExtras; 7057 if (ps != null) { 7058 // System apps are never considered stopped for purposes of 7059 // filtering, because there may be no way for the user to 7060 // actually re-launch them. 7061 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7062 && ps.getStopped(userId); 7063 } 7064 } 7065 return false; 7066 } 7067 7068 @Override 7069 protected boolean isPackageForFilter(String packageName, 7070 PackageParser.ActivityIntentInfo info) { 7071 return packageName.equals(info.activity.owner.packageName); 7072 } 7073 7074 @Override 7075 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7076 int match, int userId) { 7077 if (!sUserManager.exists(userId)) return null; 7078 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7079 return null; 7080 } 7081 final PackageParser.Activity activity = info.activity; 7082 if (mSafeMode && (activity.info.applicationInfo.flags 7083 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7084 return null; 7085 } 7086 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7087 if (ps == null) { 7088 return null; 7089 } 7090 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7091 ps.readUserState(userId), userId); 7092 if (ai == null) { 7093 return null; 7094 } 7095 final ResolveInfo res = new ResolveInfo(); 7096 res.activityInfo = ai; 7097 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7098 res.filter = info; 7099 } 7100 res.priority = info.getPriority(); 7101 res.preferredOrder = activity.owner.mPreferredOrder; 7102 //System.out.println("Result: " + res.activityInfo.className + 7103 // " = " + res.priority); 7104 res.match = match; 7105 res.isDefault = info.hasDefault; 7106 res.labelRes = info.labelRes; 7107 res.nonLocalizedLabel = info.nonLocalizedLabel; 7108 if (userNeedsBadging(userId)) { 7109 res.noResourceId = true; 7110 } else { 7111 res.icon = info.icon; 7112 } 7113 res.system = isSystemApp(res.activityInfo.applicationInfo); 7114 return res; 7115 } 7116 7117 @Override 7118 protected void sortResults(List<ResolveInfo> results) { 7119 Collections.sort(results, mResolvePrioritySorter); 7120 } 7121 7122 @Override 7123 protected void dumpFilter(PrintWriter out, String prefix, 7124 PackageParser.ActivityIntentInfo filter) { 7125 out.print(prefix); out.print( 7126 Integer.toHexString(System.identityHashCode(filter.activity))); 7127 out.print(' '); 7128 filter.activity.printComponentShortName(out); 7129 out.print(" filter "); 7130 out.println(Integer.toHexString(System.identityHashCode(filter))); 7131 } 7132 7133// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7134// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7135// final List<ResolveInfo> retList = Lists.newArrayList(); 7136// while (i.hasNext()) { 7137// final ResolveInfo resolveInfo = i.next(); 7138// if (isEnabledLP(resolveInfo.activityInfo)) { 7139// retList.add(resolveInfo); 7140// } 7141// } 7142// return retList; 7143// } 7144 7145 // Keys are String (activity class name), values are Activity. 7146 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7147 = new HashMap<ComponentName, PackageParser.Activity>(); 7148 private int mFlags; 7149 } 7150 7151 private final class ServiceIntentResolver 7152 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7153 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7154 boolean defaultOnly, int userId) { 7155 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7156 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7157 } 7158 7159 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7160 int userId) { 7161 if (!sUserManager.exists(userId)) return null; 7162 mFlags = flags; 7163 return super.queryIntent(intent, resolvedType, 7164 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7165 } 7166 7167 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7168 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7169 if (!sUserManager.exists(userId)) return null; 7170 if (packageServices == null) { 7171 return null; 7172 } 7173 mFlags = flags; 7174 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7175 final int N = packageServices.size(); 7176 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7177 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7178 7179 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7180 for (int i = 0; i < N; ++i) { 7181 intentFilters = packageServices.get(i).intents; 7182 if (intentFilters != null && intentFilters.size() > 0) { 7183 PackageParser.ServiceIntentInfo[] array = 7184 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7185 intentFilters.toArray(array); 7186 listCut.add(array); 7187 } 7188 } 7189 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7190 } 7191 7192 public final void addService(PackageParser.Service s) { 7193 mServices.put(s.getComponentName(), s); 7194 if (DEBUG_SHOW_INFO) { 7195 Log.v(TAG, " " 7196 + (s.info.nonLocalizedLabel != null 7197 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7198 Log.v(TAG, " Class=" + s.info.name); 7199 } 7200 final int NI = s.intents.size(); 7201 int j; 7202 for (j=0; j<NI; j++) { 7203 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7204 if (DEBUG_SHOW_INFO) { 7205 Log.v(TAG, " IntentFilter:"); 7206 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7207 } 7208 if (!intent.debugCheck()) { 7209 Log.w(TAG, "==> For Service " + s.info.name); 7210 } 7211 addFilter(intent); 7212 } 7213 } 7214 7215 public final void removeService(PackageParser.Service s) { 7216 mServices.remove(s.getComponentName()); 7217 if (DEBUG_SHOW_INFO) { 7218 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7219 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7220 Log.v(TAG, " Class=" + s.info.name); 7221 } 7222 final int NI = s.intents.size(); 7223 int j; 7224 for (j=0; j<NI; j++) { 7225 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7226 if (DEBUG_SHOW_INFO) { 7227 Log.v(TAG, " IntentFilter:"); 7228 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7229 } 7230 removeFilter(intent); 7231 } 7232 } 7233 7234 @Override 7235 protected boolean allowFilterResult( 7236 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7237 ServiceInfo filterSi = filter.service.info; 7238 for (int i=dest.size()-1; i>=0; i--) { 7239 ServiceInfo destAi = dest.get(i).serviceInfo; 7240 if (destAi.name == filterSi.name 7241 && destAi.packageName == filterSi.packageName) { 7242 return false; 7243 } 7244 } 7245 return true; 7246 } 7247 7248 @Override 7249 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7250 return new PackageParser.ServiceIntentInfo[size]; 7251 } 7252 7253 @Override 7254 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7255 if (!sUserManager.exists(userId)) return true; 7256 PackageParser.Package p = filter.service.owner; 7257 if (p != null) { 7258 PackageSetting ps = (PackageSetting)p.mExtras; 7259 if (ps != null) { 7260 // System apps are never considered stopped for purposes of 7261 // filtering, because there may be no way for the user to 7262 // actually re-launch them. 7263 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7264 && ps.getStopped(userId); 7265 } 7266 } 7267 return false; 7268 } 7269 7270 @Override 7271 protected boolean isPackageForFilter(String packageName, 7272 PackageParser.ServiceIntentInfo info) { 7273 return packageName.equals(info.service.owner.packageName); 7274 } 7275 7276 @Override 7277 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7278 int match, int userId) { 7279 if (!sUserManager.exists(userId)) return null; 7280 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7281 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7282 return null; 7283 } 7284 final PackageParser.Service service = info.service; 7285 if (mSafeMode && (service.info.applicationInfo.flags 7286 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7287 return null; 7288 } 7289 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7290 if (ps == null) { 7291 return null; 7292 } 7293 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7294 ps.readUserState(userId), userId); 7295 if (si == null) { 7296 return null; 7297 } 7298 final ResolveInfo res = new ResolveInfo(); 7299 res.serviceInfo = si; 7300 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7301 res.filter = filter; 7302 } 7303 res.priority = info.getPriority(); 7304 res.preferredOrder = service.owner.mPreferredOrder; 7305 //System.out.println("Result: " + res.activityInfo.className + 7306 // " = " + res.priority); 7307 res.match = match; 7308 res.isDefault = info.hasDefault; 7309 res.labelRes = info.labelRes; 7310 res.nonLocalizedLabel = info.nonLocalizedLabel; 7311 res.icon = info.icon; 7312 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7313 return res; 7314 } 7315 7316 @Override 7317 protected void sortResults(List<ResolveInfo> results) { 7318 Collections.sort(results, mResolvePrioritySorter); 7319 } 7320 7321 @Override 7322 protected void dumpFilter(PrintWriter out, String prefix, 7323 PackageParser.ServiceIntentInfo filter) { 7324 out.print(prefix); out.print( 7325 Integer.toHexString(System.identityHashCode(filter.service))); 7326 out.print(' '); 7327 filter.service.printComponentShortName(out); 7328 out.print(" filter "); 7329 out.println(Integer.toHexString(System.identityHashCode(filter))); 7330 } 7331 7332// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7333// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7334// final List<ResolveInfo> retList = Lists.newArrayList(); 7335// while (i.hasNext()) { 7336// final ResolveInfo resolveInfo = (ResolveInfo) i; 7337// if (isEnabledLP(resolveInfo.serviceInfo)) { 7338// retList.add(resolveInfo); 7339// } 7340// } 7341// return retList; 7342// } 7343 7344 // Keys are String (activity class name), values are Activity. 7345 private final HashMap<ComponentName, PackageParser.Service> mServices 7346 = new HashMap<ComponentName, PackageParser.Service>(); 7347 private int mFlags; 7348 }; 7349 7350 private final class ProviderIntentResolver 7351 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7352 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7353 boolean defaultOnly, int userId) { 7354 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7355 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7356 } 7357 7358 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7359 int userId) { 7360 if (!sUserManager.exists(userId)) 7361 return null; 7362 mFlags = flags; 7363 return super.queryIntent(intent, resolvedType, 7364 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7365 } 7366 7367 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7368 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7369 if (!sUserManager.exists(userId)) 7370 return null; 7371 if (packageProviders == null) { 7372 return null; 7373 } 7374 mFlags = flags; 7375 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7376 final int N = packageProviders.size(); 7377 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7378 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7379 7380 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7381 for (int i = 0; i < N; ++i) { 7382 intentFilters = packageProviders.get(i).intents; 7383 if (intentFilters != null && intentFilters.size() > 0) { 7384 PackageParser.ProviderIntentInfo[] array = 7385 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7386 intentFilters.toArray(array); 7387 listCut.add(array); 7388 } 7389 } 7390 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7391 } 7392 7393 public final void addProvider(PackageParser.Provider p) { 7394 if (mProviders.containsKey(p.getComponentName())) { 7395 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7396 return; 7397 } 7398 7399 mProviders.put(p.getComponentName(), p); 7400 if (DEBUG_SHOW_INFO) { 7401 Log.v(TAG, " " 7402 + (p.info.nonLocalizedLabel != null 7403 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7404 Log.v(TAG, " Class=" + p.info.name); 7405 } 7406 final int NI = p.intents.size(); 7407 int j; 7408 for (j = 0; j < NI; j++) { 7409 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7410 if (DEBUG_SHOW_INFO) { 7411 Log.v(TAG, " IntentFilter:"); 7412 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7413 } 7414 if (!intent.debugCheck()) { 7415 Log.w(TAG, "==> For Provider " + p.info.name); 7416 } 7417 addFilter(intent); 7418 } 7419 } 7420 7421 public final void removeProvider(PackageParser.Provider p) { 7422 mProviders.remove(p.getComponentName()); 7423 if (DEBUG_SHOW_INFO) { 7424 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7425 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7426 Log.v(TAG, " Class=" + p.info.name); 7427 } 7428 final int NI = p.intents.size(); 7429 int j; 7430 for (j = 0; j < NI; j++) { 7431 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7432 if (DEBUG_SHOW_INFO) { 7433 Log.v(TAG, " IntentFilter:"); 7434 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7435 } 7436 removeFilter(intent); 7437 } 7438 } 7439 7440 @Override 7441 protected boolean allowFilterResult( 7442 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7443 ProviderInfo filterPi = filter.provider.info; 7444 for (int i = dest.size() - 1; i >= 0; i--) { 7445 ProviderInfo destPi = dest.get(i).providerInfo; 7446 if (destPi.name == filterPi.name 7447 && destPi.packageName == filterPi.packageName) { 7448 return false; 7449 } 7450 } 7451 return true; 7452 } 7453 7454 @Override 7455 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7456 return new PackageParser.ProviderIntentInfo[size]; 7457 } 7458 7459 @Override 7460 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7461 if (!sUserManager.exists(userId)) 7462 return true; 7463 PackageParser.Package p = filter.provider.owner; 7464 if (p != null) { 7465 PackageSetting ps = (PackageSetting) p.mExtras; 7466 if (ps != null) { 7467 // System apps are never considered stopped for purposes of 7468 // filtering, because there may be no way for the user to 7469 // actually re-launch them. 7470 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7471 && ps.getStopped(userId); 7472 } 7473 } 7474 return false; 7475 } 7476 7477 @Override 7478 protected boolean isPackageForFilter(String packageName, 7479 PackageParser.ProviderIntentInfo info) { 7480 return packageName.equals(info.provider.owner.packageName); 7481 } 7482 7483 @Override 7484 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7485 int match, int userId) { 7486 if (!sUserManager.exists(userId)) 7487 return null; 7488 final PackageParser.ProviderIntentInfo info = filter; 7489 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7490 return null; 7491 } 7492 final PackageParser.Provider provider = info.provider; 7493 if (mSafeMode && (provider.info.applicationInfo.flags 7494 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7495 return null; 7496 } 7497 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7498 if (ps == null) { 7499 return null; 7500 } 7501 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7502 ps.readUserState(userId), userId); 7503 if (pi == null) { 7504 return null; 7505 } 7506 final ResolveInfo res = new ResolveInfo(); 7507 res.providerInfo = pi; 7508 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7509 res.filter = filter; 7510 } 7511 res.priority = info.getPriority(); 7512 res.preferredOrder = provider.owner.mPreferredOrder; 7513 res.match = match; 7514 res.isDefault = info.hasDefault; 7515 res.labelRes = info.labelRes; 7516 res.nonLocalizedLabel = info.nonLocalizedLabel; 7517 res.icon = info.icon; 7518 res.system = isSystemApp(res.providerInfo.applicationInfo); 7519 return res; 7520 } 7521 7522 @Override 7523 protected void sortResults(List<ResolveInfo> results) { 7524 Collections.sort(results, mResolvePrioritySorter); 7525 } 7526 7527 @Override 7528 protected void dumpFilter(PrintWriter out, String prefix, 7529 PackageParser.ProviderIntentInfo filter) { 7530 out.print(prefix); 7531 out.print( 7532 Integer.toHexString(System.identityHashCode(filter.provider))); 7533 out.print(' '); 7534 filter.provider.printComponentShortName(out); 7535 out.print(" filter "); 7536 out.println(Integer.toHexString(System.identityHashCode(filter))); 7537 } 7538 7539 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7540 = new HashMap<ComponentName, PackageParser.Provider>(); 7541 private int mFlags; 7542 }; 7543 7544 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7545 new Comparator<ResolveInfo>() { 7546 public int compare(ResolveInfo r1, ResolveInfo r2) { 7547 int v1 = r1.priority; 7548 int v2 = r2.priority; 7549 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7550 if (v1 != v2) { 7551 return (v1 > v2) ? -1 : 1; 7552 } 7553 v1 = r1.preferredOrder; 7554 v2 = r2.preferredOrder; 7555 if (v1 != v2) { 7556 return (v1 > v2) ? -1 : 1; 7557 } 7558 if (r1.isDefault != r2.isDefault) { 7559 return r1.isDefault ? -1 : 1; 7560 } 7561 v1 = r1.match; 7562 v2 = r2.match; 7563 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7564 if (v1 != v2) { 7565 return (v1 > v2) ? -1 : 1; 7566 } 7567 if (r1.system != r2.system) { 7568 return r1.system ? -1 : 1; 7569 } 7570 return 0; 7571 } 7572 }; 7573 7574 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7575 new Comparator<ProviderInfo>() { 7576 public int compare(ProviderInfo p1, ProviderInfo p2) { 7577 final int v1 = p1.initOrder; 7578 final int v2 = p2.initOrder; 7579 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7580 } 7581 }; 7582 7583 static final void sendPackageBroadcast(String action, String pkg, 7584 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7585 int[] userIds) { 7586 IActivityManager am = ActivityManagerNative.getDefault(); 7587 if (am != null) { 7588 try { 7589 if (userIds == null) { 7590 userIds = am.getRunningUserIds(); 7591 } 7592 for (int id : userIds) { 7593 final Intent intent = new Intent(action, 7594 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7595 if (extras != null) { 7596 intent.putExtras(extras); 7597 } 7598 if (targetPkg != null) { 7599 intent.setPackage(targetPkg); 7600 } 7601 // Modify the UID when posting to other users 7602 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7603 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7604 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7605 intent.putExtra(Intent.EXTRA_UID, uid); 7606 } 7607 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7608 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7609 if (DEBUG_BROADCASTS) { 7610 RuntimeException here = new RuntimeException("here"); 7611 here.fillInStackTrace(); 7612 Slog.d(TAG, "Sending to user " + id + ": " 7613 + intent.toShortString(false, true, false, false) 7614 + " " + intent.getExtras(), here); 7615 } 7616 am.broadcastIntent(null, intent, null, finishedReceiver, 7617 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7618 finishedReceiver != null, false, id); 7619 } 7620 } catch (RemoteException ex) { 7621 } 7622 } 7623 } 7624 7625 /** 7626 * Check if the external storage media is available. This is true if there 7627 * is a mounted external storage medium or if the external storage is 7628 * emulated. 7629 */ 7630 private boolean isExternalMediaAvailable() { 7631 return mMediaMounted || Environment.isExternalStorageEmulated(); 7632 } 7633 7634 @Override 7635 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7636 // writer 7637 synchronized (mPackages) { 7638 if (!isExternalMediaAvailable()) { 7639 // If the external storage is no longer mounted at this point, 7640 // the caller may not have been able to delete all of this 7641 // packages files and can not delete any more. Bail. 7642 return null; 7643 } 7644 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7645 if (lastPackage != null) { 7646 pkgs.remove(lastPackage); 7647 } 7648 if (pkgs.size() > 0) { 7649 return pkgs.get(0); 7650 } 7651 } 7652 return null; 7653 } 7654 7655 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7656 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7657 userId, andCode ? 1 : 0, packageName); 7658 if (mSystemReady) { 7659 msg.sendToTarget(); 7660 } else { 7661 if (mPostSystemReadyMessages == null) { 7662 mPostSystemReadyMessages = new ArrayList<>(); 7663 } 7664 mPostSystemReadyMessages.add(msg); 7665 } 7666 } 7667 7668 void startCleaningPackages() { 7669 // reader 7670 synchronized (mPackages) { 7671 if (!isExternalMediaAvailable()) { 7672 return; 7673 } 7674 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7675 return; 7676 } 7677 } 7678 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7679 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7680 IActivityManager am = ActivityManagerNative.getDefault(); 7681 if (am != null) { 7682 try { 7683 am.startService(null, intent, null, UserHandle.USER_OWNER); 7684 } catch (RemoteException e) { 7685 } 7686 } 7687 } 7688 7689 @Override 7690 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7691 int installFlags, String installerPackageName, VerificationParams verificationParams, 7692 String packageAbiOverride) { 7693 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7694 packageAbiOverride, UserHandle.getCallingUserId()); 7695 } 7696 7697 @Override 7698 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7699 int installFlags, String installerPackageName, VerificationParams verificationParams, 7700 String packageAbiOverride, int userId) { 7701 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7702 7703 final int callingUid = Binder.getCallingUid(); 7704 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7705 7706 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7707 try { 7708 if (observer != null) { 7709 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7710 } 7711 } catch (RemoteException re) { 7712 } 7713 return; 7714 } 7715 7716 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7717 installFlags |= PackageManager.INSTALL_FROM_ADB; 7718 7719 } else { 7720 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7721 // about installerPackageName. 7722 7723 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7724 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7725 } 7726 7727 UserHandle user; 7728 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7729 user = UserHandle.ALL; 7730 } else { 7731 user = new UserHandle(userId); 7732 } 7733 7734 verificationParams.setInstallerUid(callingUid); 7735 7736 final File originFile = new File(originPath); 7737 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7738 7739 final Message msg = mHandler.obtainMessage(INIT_COPY); 7740 msg.obj = new InstallParams(origin, observer, installFlags, 7741 installerPackageName, verificationParams, user, packageAbiOverride); 7742 mHandler.sendMessage(msg); 7743 } 7744 7745 void installStage(String packageName, File stagedDir, String stagedCid, 7746 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7747 String installerPackageName, int installerUid, UserHandle user) { 7748 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7749 params.referrerUri, installerUid, null); 7750 7751 final OriginInfo origin; 7752 if (stagedDir != null) { 7753 origin = OriginInfo.fromStagedFile(stagedDir); 7754 } else { 7755 origin = OriginInfo.fromStagedContainer(stagedCid); 7756 } 7757 7758 final Message msg = mHandler.obtainMessage(INIT_COPY); 7759 msg.obj = new InstallParams(origin, observer, params.installFlags, 7760 installerPackageName, verifParams, user, params.abiOverride); 7761 mHandler.sendMessage(msg); 7762 } 7763 7764 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7765 Bundle extras = new Bundle(1); 7766 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7767 7768 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7769 packageName, extras, null, null, new int[] {userId}); 7770 try { 7771 IActivityManager am = ActivityManagerNative.getDefault(); 7772 final boolean isSystem = 7773 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7774 if (isSystem && am.isUserRunning(userId, false)) { 7775 // The just-installed/enabled app is bundled on the system, so presumed 7776 // to be able to run automatically without needing an explicit launch. 7777 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7778 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7779 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7780 .setPackage(packageName); 7781 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7782 android.app.AppOpsManager.OP_NONE, false, false, userId); 7783 } 7784 } catch (RemoteException e) { 7785 // shouldn't happen 7786 Slog.w(TAG, "Unable to bootstrap installed package", e); 7787 } 7788 } 7789 7790 @Override 7791 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7792 int userId) { 7793 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7794 PackageSetting pkgSetting; 7795 final int uid = Binder.getCallingUid(); 7796 enforceCrossUserPermission(uid, userId, true, true, 7797 "setApplicationHiddenSetting for user " + userId); 7798 7799 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7800 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7801 return false; 7802 } 7803 7804 long callingId = Binder.clearCallingIdentity(); 7805 try { 7806 boolean sendAdded = false; 7807 boolean sendRemoved = false; 7808 // writer 7809 synchronized (mPackages) { 7810 pkgSetting = mSettings.mPackages.get(packageName); 7811 if (pkgSetting == null) { 7812 return false; 7813 } 7814 if (pkgSetting.getHidden(userId) != hidden) { 7815 pkgSetting.setHidden(hidden, userId); 7816 mSettings.writePackageRestrictionsLPr(userId); 7817 if (hidden) { 7818 sendRemoved = true; 7819 } else { 7820 sendAdded = true; 7821 } 7822 } 7823 } 7824 if (sendAdded) { 7825 sendPackageAddedForUser(packageName, pkgSetting, userId); 7826 return true; 7827 } 7828 if (sendRemoved) { 7829 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7830 "hiding pkg"); 7831 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 7832 } 7833 } finally { 7834 Binder.restoreCallingIdentity(callingId); 7835 } 7836 return false; 7837 } 7838 7839 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 7840 int userId) { 7841 final PackageRemovedInfo info = new PackageRemovedInfo(); 7842 info.removedPackage = packageName; 7843 info.removedUsers = new int[] {userId}; 7844 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7845 info.sendBroadcast(false, false, false); 7846 } 7847 7848 /** 7849 * Returns true if application is not found or there was an error. Otherwise it returns 7850 * the hidden state of the package for the given user. 7851 */ 7852 @Override 7853 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 7854 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7855 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7856 false, "getApplicationHidden for user " + userId); 7857 PackageSetting pkgSetting; 7858 long callingId = Binder.clearCallingIdentity(); 7859 try { 7860 // writer 7861 synchronized (mPackages) { 7862 pkgSetting = mSettings.mPackages.get(packageName); 7863 if (pkgSetting == null) { 7864 return true; 7865 } 7866 return pkgSetting.getHidden(userId); 7867 } 7868 } finally { 7869 Binder.restoreCallingIdentity(callingId); 7870 } 7871 } 7872 7873 /** 7874 * @hide 7875 */ 7876 @Override 7877 public int installExistingPackageAsUser(String packageName, int userId) { 7878 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7879 null); 7880 PackageSetting pkgSetting; 7881 final int uid = Binder.getCallingUid(); 7882 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 7883 + userId); 7884 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7885 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7886 } 7887 7888 long callingId = Binder.clearCallingIdentity(); 7889 try { 7890 boolean sendAdded = false; 7891 Bundle extras = new Bundle(1); 7892 7893 // writer 7894 synchronized (mPackages) { 7895 pkgSetting = mSettings.mPackages.get(packageName); 7896 if (pkgSetting == null) { 7897 return PackageManager.INSTALL_FAILED_INVALID_URI; 7898 } 7899 if (!pkgSetting.getInstalled(userId)) { 7900 pkgSetting.setInstalled(true, userId); 7901 pkgSetting.setHidden(false, userId); 7902 mSettings.writePackageRestrictionsLPr(userId); 7903 sendAdded = true; 7904 } 7905 } 7906 7907 if (sendAdded) { 7908 sendPackageAddedForUser(packageName, pkgSetting, userId); 7909 } 7910 } finally { 7911 Binder.restoreCallingIdentity(callingId); 7912 } 7913 7914 return PackageManager.INSTALL_SUCCEEDED; 7915 } 7916 7917 boolean isUserRestricted(int userId, String restrictionKey) { 7918 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7919 if (restrictions.getBoolean(restrictionKey, false)) { 7920 Log.w(TAG, "User is restricted: " + restrictionKey); 7921 return true; 7922 } 7923 return false; 7924 } 7925 7926 @Override 7927 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7928 mContext.enforceCallingOrSelfPermission( 7929 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7930 "Only package verification agents can verify applications"); 7931 7932 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7933 final PackageVerificationResponse response = new PackageVerificationResponse( 7934 verificationCode, Binder.getCallingUid()); 7935 msg.arg1 = id; 7936 msg.obj = response; 7937 mHandler.sendMessage(msg); 7938 } 7939 7940 @Override 7941 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7942 long millisecondsToDelay) { 7943 mContext.enforceCallingOrSelfPermission( 7944 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7945 "Only package verification agents can extend verification timeouts"); 7946 7947 final PackageVerificationState state = mPendingVerification.get(id); 7948 final PackageVerificationResponse response = new PackageVerificationResponse( 7949 verificationCodeAtTimeout, Binder.getCallingUid()); 7950 7951 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7952 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7953 } 7954 if (millisecondsToDelay < 0) { 7955 millisecondsToDelay = 0; 7956 } 7957 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7958 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7959 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7960 } 7961 7962 if ((state != null) && !state.timeoutExtended()) { 7963 state.extendTimeout(); 7964 7965 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7966 msg.arg1 = id; 7967 msg.obj = response; 7968 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7969 } 7970 } 7971 7972 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7973 int verificationCode, UserHandle user) { 7974 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7975 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7976 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7977 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7978 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7979 7980 mContext.sendBroadcastAsUser(intent, user, 7981 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7982 } 7983 7984 private ComponentName matchComponentForVerifier(String packageName, 7985 List<ResolveInfo> receivers) { 7986 ActivityInfo targetReceiver = null; 7987 7988 final int NR = receivers.size(); 7989 for (int i = 0; i < NR; i++) { 7990 final ResolveInfo info = receivers.get(i); 7991 if (info.activityInfo == null) { 7992 continue; 7993 } 7994 7995 if (packageName.equals(info.activityInfo.packageName)) { 7996 targetReceiver = info.activityInfo; 7997 break; 7998 } 7999 } 8000 8001 if (targetReceiver == null) { 8002 return null; 8003 } 8004 8005 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8006 } 8007 8008 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8009 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8010 if (pkgInfo.verifiers.length == 0) { 8011 return null; 8012 } 8013 8014 final int N = pkgInfo.verifiers.length; 8015 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8016 for (int i = 0; i < N; i++) { 8017 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8018 8019 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8020 receivers); 8021 if (comp == null) { 8022 continue; 8023 } 8024 8025 final int verifierUid = getUidForVerifier(verifierInfo); 8026 if (verifierUid == -1) { 8027 continue; 8028 } 8029 8030 if (DEBUG_VERIFY) { 8031 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8032 + " with the correct signature"); 8033 } 8034 sufficientVerifiers.add(comp); 8035 verificationState.addSufficientVerifier(verifierUid); 8036 } 8037 8038 return sufficientVerifiers; 8039 } 8040 8041 private int getUidForVerifier(VerifierInfo verifierInfo) { 8042 synchronized (mPackages) { 8043 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8044 if (pkg == null) { 8045 return -1; 8046 } else if (pkg.mSignatures.length != 1) { 8047 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8048 + " has more than one signature; ignoring"); 8049 return -1; 8050 } 8051 8052 /* 8053 * If the public key of the package's signature does not match 8054 * our expected public key, then this is a different package and 8055 * we should skip. 8056 */ 8057 8058 final byte[] expectedPublicKey; 8059 try { 8060 final Signature verifierSig = pkg.mSignatures[0]; 8061 final PublicKey publicKey = verifierSig.getPublicKey(); 8062 expectedPublicKey = publicKey.getEncoded(); 8063 } catch (CertificateException e) { 8064 return -1; 8065 } 8066 8067 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8068 8069 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8070 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8071 + " does not have the expected public key; ignoring"); 8072 return -1; 8073 } 8074 8075 return pkg.applicationInfo.uid; 8076 } 8077 } 8078 8079 @Override 8080 public void finishPackageInstall(int token) { 8081 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8082 8083 if (DEBUG_INSTALL) { 8084 Slog.v(TAG, "BM finishing package install for " + token); 8085 } 8086 8087 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8088 mHandler.sendMessage(msg); 8089 } 8090 8091 /** 8092 * Get the verification agent timeout. 8093 * 8094 * @return verification timeout in milliseconds 8095 */ 8096 private long getVerificationTimeout() { 8097 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8098 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8099 DEFAULT_VERIFICATION_TIMEOUT); 8100 } 8101 8102 /** 8103 * Get the default verification agent response code. 8104 * 8105 * @return default verification response code 8106 */ 8107 private int getDefaultVerificationResponse() { 8108 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8109 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8110 DEFAULT_VERIFICATION_RESPONSE); 8111 } 8112 8113 /** 8114 * Check whether or not package verification has been enabled. 8115 * 8116 * @return true if verification should be performed 8117 */ 8118 private boolean isVerificationEnabled(int userId, int installFlags) { 8119 if (!DEFAULT_VERIFY_ENABLE) { 8120 return false; 8121 } 8122 8123 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8124 8125 // Check if installing from ADB 8126 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8127 // Do not run verification in a test harness environment 8128 if (ActivityManager.isRunningInTestHarness()) { 8129 return false; 8130 } 8131 if (ensureVerifyAppsEnabled) { 8132 return true; 8133 } 8134 // Check if the developer does not want package verification for ADB installs 8135 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8136 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8137 return false; 8138 } 8139 } 8140 8141 if (ensureVerifyAppsEnabled) { 8142 return true; 8143 } 8144 8145 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8146 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8147 } 8148 8149 /** 8150 * Get the "allow unknown sources" setting. 8151 * 8152 * @return the current "allow unknown sources" setting 8153 */ 8154 private int getUnknownSourcesSettings() { 8155 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8156 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8157 -1); 8158 } 8159 8160 @Override 8161 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8162 final int uid = Binder.getCallingUid(); 8163 // writer 8164 synchronized (mPackages) { 8165 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8166 if (targetPackageSetting == null) { 8167 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8168 } 8169 8170 PackageSetting installerPackageSetting; 8171 if (installerPackageName != null) { 8172 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8173 if (installerPackageSetting == null) { 8174 throw new IllegalArgumentException("Unknown installer package: " 8175 + installerPackageName); 8176 } 8177 } else { 8178 installerPackageSetting = null; 8179 } 8180 8181 Signature[] callerSignature; 8182 Object obj = mSettings.getUserIdLPr(uid); 8183 if (obj != null) { 8184 if (obj instanceof SharedUserSetting) { 8185 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8186 } else if (obj instanceof PackageSetting) { 8187 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8188 } else { 8189 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8190 } 8191 } else { 8192 throw new SecurityException("Unknown calling uid " + uid); 8193 } 8194 8195 // Verify: can't set installerPackageName to a package that is 8196 // not signed with the same cert as the caller. 8197 if (installerPackageSetting != null) { 8198 if (compareSignatures(callerSignature, 8199 installerPackageSetting.signatures.mSignatures) 8200 != PackageManager.SIGNATURE_MATCH) { 8201 throw new SecurityException( 8202 "Caller does not have same cert as new installer package " 8203 + installerPackageName); 8204 } 8205 } 8206 8207 // Verify: if target already has an installer package, it must 8208 // be signed with the same cert as the caller. 8209 if (targetPackageSetting.installerPackageName != null) { 8210 PackageSetting setting = mSettings.mPackages.get( 8211 targetPackageSetting.installerPackageName); 8212 // If the currently set package isn't valid, then it's always 8213 // okay to change it. 8214 if (setting != null) { 8215 if (compareSignatures(callerSignature, 8216 setting.signatures.mSignatures) 8217 != PackageManager.SIGNATURE_MATCH) { 8218 throw new SecurityException( 8219 "Caller does not have same cert as old installer package " 8220 + targetPackageSetting.installerPackageName); 8221 } 8222 } 8223 } 8224 8225 // Okay! 8226 targetPackageSetting.installerPackageName = installerPackageName; 8227 scheduleWriteSettingsLocked(); 8228 } 8229 } 8230 8231 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8232 // Queue up an async operation since the package installation may take a little while. 8233 mHandler.post(new Runnable() { 8234 public void run() { 8235 mHandler.removeCallbacks(this); 8236 // Result object to be returned 8237 PackageInstalledInfo res = new PackageInstalledInfo(); 8238 res.returnCode = currentStatus; 8239 res.uid = -1; 8240 res.pkg = null; 8241 res.removedInfo = new PackageRemovedInfo(); 8242 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8243 args.doPreInstall(res.returnCode); 8244 synchronized (mInstallLock) { 8245 installPackageLI(args, res); 8246 } 8247 args.doPostInstall(res.returnCode, res.uid); 8248 } 8249 8250 // A restore should be performed at this point if (a) the install 8251 // succeeded, (b) the operation is not an update, and (c) the new 8252 // package has not opted out of backup participation. 8253 final boolean update = res.removedInfo.removedPackage != null; 8254 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8255 boolean doRestore = !update 8256 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8257 8258 // Set up the post-install work request bookkeeping. This will be used 8259 // and cleaned up by the post-install event handling regardless of whether 8260 // there's a restore pass performed. Token values are >= 1. 8261 int token; 8262 if (mNextInstallToken < 0) mNextInstallToken = 1; 8263 token = mNextInstallToken++; 8264 8265 PostInstallData data = new PostInstallData(args, res); 8266 mRunningInstalls.put(token, data); 8267 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8268 8269 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8270 // Pass responsibility to the Backup Manager. It will perform a 8271 // restore if appropriate, then pass responsibility back to the 8272 // Package Manager to run the post-install observer callbacks 8273 // and broadcasts. 8274 IBackupManager bm = IBackupManager.Stub.asInterface( 8275 ServiceManager.getService(Context.BACKUP_SERVICE)); 8276 if (bm != null) { 8277 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8278 + " to BM for possible restore"); 8279 try { 8280 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8281 } catch (RemoteException e) { 8282 // can't happen; the backup manager is local 8283 } catch (Exception e) { 8284 Slog.e(TAG, "Exception trying to enqueue restore", e); 8285 doRestore = false; 8286 } 8287 } else { 8288 Slog.e(TAG, "Backup Manager not found!"); 8289 doRestore = false; 8290 } 8291 } 8292 8293 if (!doRestore) { 8294 // No restore possible, or the Backup Manager was mysteriously not 8295 // available -- just fire the post-install work request directly. 8296 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8297 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8298 mHandler.sendMessage(msg); 8299 } 8300 } 8301 }); 8302 } 8303 8304 private abstract class HandlerParams { 8305 private static final int MAX_RETRIES = 4; 8306 8307 /** 8308 * Number of times startCopy() has been attempted and had a non-fatal 8309 * error. 8310 */ 8311 private int mRetries = 0; 8312 8313 /** User handle for the user requesting the information or installation. */ 8314 private final UserHandle mUser; 8315 8316 HandlerParams(UserHandle user) { 8317 mUser = user; 8318 } 8319 8320 UserHandle getUser() { 8321 return mUser; 8322 } 8323 8324 final boolean startCopy() { 8325 boolean res; 8326 try { 8327 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8328 8329 if (++mRetries > MAX_RETRIES) { 8330 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8331 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8332 handleServiceError(); 8333 return false; 8334 } else { 8335 handleStartCopy(); 8336 res = true; 8337 } 8338 } catch (RemoteException e) { 8339 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8340 mHandler.sendEmptyMessage(MCS_RECONNECT); 8341 res = false; 8342 } 8343 handleReturnCode(); 8344 return res; 8345 } 8346 8347 final void serviceError() { 8348 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8349 handleServiceError(); 8350 handleReturnCode(); 8351 } 8352 8353 abstract void handleStartCopy() throws RemoteException; 8354 abstract void handleServiceError(); 8355 abstract void handleReturnCode(); 8356 } 8357 8358 class MeasureParams extends HandlerParams { 8359 private final PackageStats mStats; 8360 private boolean mSuccess; 8361 8362 private final IPackageStatsObserver mObserver; 8363 8364 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8365 super(new UserHandle(stats.userHandle)); 8366 mObserver = observer; 8367 mStats = stats; 8368 } 8369 8370 @Override 8371 public String toString() { 8372 return "MeasureParams{" 8373 + Integer.toHexString(System.identityHashCode(this)) 8374 + " " + mStats.packageName + "}"; 8375 } 8376 8377 @Override 8378 void handleStartCopy() throws RemoteException { 8379 synchronized (mInstallLock) { 8380 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8381 } 8382 8383 if (mSuccess) { 8384 final boolean mounted; 8385 if (Environment.isExternalStorageEmulated()) { 8386 mounted = true; 8387 } else { 8388 final String status = Environment.getExternalStorageState(); 8389 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8390 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8391 } 8392 8393 if (mounted) { 8394 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8395 8396 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8397 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8398 8399 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8400 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8401 8402 // Always subtract cache size, since it's a subdirectory 8403 mStats.externalDataSize -= mStats.externalCacheSize; 8404 8405 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8406 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8407 8408 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8409 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8410 } 8411 } 8412 } 8413 8414 @Override 8415 void handleReturnCode() { 8416 if (mObserver != null) { 8417 try { 8418 mObserver.onGetStatsCompleted(mStats, mSuccess); 8419 } catch (RemoteException e) { 8420 Slog.i(TAG, "Observer no longer exists."); 8421 } 8422 } 8423 } 8424 8425 @Override 8426 void handleServiceError() { 8427 Slog.e(TAG, "Could not measure application " + mStats.packageName 8428 + " external storage"); 8429 } 8430 } 8431 8432 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8433 throws RemoteException { 8434 long result = 0; 8435 for (File path : paths) { 8436 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8437 } 8438 return result; 8439 } 8440 8441 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8442 for (File path : paths) { 8443 try { 8444 mcs.clearDirectory(path.getAbsolutePath()); 8445 } catch (RemoteException e) { 8446 } 8447 } 8448 } 8449 8450 static class OriginInfo { 8451 /** 8452 * Location where install is coming from, before it has been 8453 * copied/renamed into place. This could be a single monolithic APK 8454 * file, or a cluster directory. This location may be untrusted. 8455 */ 8456 final File file; 8457 final String cid; 8458 8459 /** 8460 * Flag indicating that {@link #file} or {@link #cid} has already been 8461 * staged, meaning downstream users don't need to defensively copy the 8462 * contents. 8463 */ 8464 final boolean staged; 8465 8466 /** 8467 * Flag indicating that {@link #file} or {@link #cid} is an already 8468 * installed app that is being moved. 8469 */ 8470 final boolean existing; 8471 8472 final String resolvedPath; 8473 final File resolvedFile; 8474 8475 static OriginInfo fromNothing() { 8476 return new OriginInfo(null, null, false, false); 8477 } 8478 8479 static OriginInfo fromUntrustedFile(File file) { 8480 return new OriginInfo(file, null, false, false); 8481 } 8482 8483 static OriginInfo fromExistingFile(File file) { 8484 return new OriginInfo(file, null, false, true); 8485 } 8486 8487 static OriginInfo fromStagedFile(File file) { 8488 return new OriginInfo(file, null, true, false); 8489 } 8490 8491 static OriginInfo fromStagedContainer(String cid) { 8492 return new OriginInfo(null, cid, true, false); 8493 } 8494 8495 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8496 this.file = file; 8497 this.cid = cid; 8498 this.staged = staged; 8499 this.existing = existing; 8500 8501 if (cid != null) { 8502 resolvedPath = PackageHelper.getSdDir(cid); 8503 resolvedFile = new File(resolvedPath); 8504 } else if (file != null) { 8505 resolvedPath = file.getAbsolutePath(); 8506 resolvedFile = file; 8507 } else { 8508 resolvedPath = null; 8509 resolvedFile = null; 8510 } 8511 } 8512 } 8513 8514 class InstallParams extends HandlerParams { 8515 final OriginInfo origin; 8516 final IPackageInstallObserver2 observer; 8517 int installFlags; 8518 final String installerPackageName; 8519 final VerificationParams verificationParams; 8520 private InstallArgs mArgs; 8521 private int mRet; 8522 final String packageAbiOverride; 8523 8524 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8525 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8526 String packageAbiOverride) { 8527 super(user); 8528 this.origin = origin; 8529 this.observer = observer; 8530 this.installFlags = installFlags; 8531 this.installerPackageName = installerPackageName; 8532 this.verificationParams = verificationParams; 8533 this.packageAbiOverride = packageAbiOverride; 8534 } 8535 8536 @Override 8537 public String toString() { 8538 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8539 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8540 } 8541 8542 public ManifestDigest getManifestDigest() { 8543 if (verificationParams == null) { 8544 return null; 8545 } 8546 return verificationParams.getManifestDigest(); 8547 } 8548 8549 private int installLocationPolicy(PackageInfoLite pkgLite) { 8550 String packageName = pkgLite.packageName; 8551 int installLocation = pkgLite.installLocation; 8552 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8553 // reader 8554 synchronized (mPackages) { 8555 PackageParser.Package pkg = mPackages.get(packageName); 8556 if (pkg != null) { 8557 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8558 // Check for downgrading. 8559 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8560 if (pkgLite.versionCode < pkg.mVersionCode) { 8561 Slog.w(TAG, "Can't install update of " + packageName 8562 + " update version " + pkgLite.versionCode 8563 + " is older than installed version " 8564 + pkg.mVersionCode); 8565 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8566 } 8567 } 8568 // Check for updated system application. 8569 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8570 if (onSd) { 8571 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8572 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8573 } 8574 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8575 } else { 8576 if (onSd) { 8577 // Install flag overrides everything. 8578 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8579 } 8580 // If current upgrade specifies particular preference 8581 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8582 // Application explicitly specified internal. 8583 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8584 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8585 // App explictly prefers external. Let policy decide 8586 } else { 8587 // Prefer previous location 8588 if (isExternal(pkg)) { 8589 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8590 } 8591 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8592 } 8593 } 8594 } else { 8595 // Invalid install. Return error code 8596 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8597 } 8598 } 8599 } 8600 // All the special cases have been taken care of. 8601 // Return result based on recommended install location. 8602 if (onSd) { 8603 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8604 } 8605 return pkgLite.recommendedInstallLocation; 8606 } 8607 8608 /* 8609 * Invoke remote method to get package information and install 8610 * location values. Override install location based on default 8611 * policy if needed and then create install arguments based 8612 * on the install location. 8613 */ 8614 public void handleStartCopy() throws RemoteException { 8615 int ret = PackageManager.INSTALL_SUCCEEDED; 8616 8617 // If we're already staged, we've firmly committed to an install location 8618 if (origin.staged) { 8619 if (origin.file != null) { 8620 installFlags |= PackageManager.INSTALL_INTERNAL; 8621 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8622 } else if (origin.cid != null) { 8623 installFlags |= PackageManager.INSTALL_EXTERNAL; 8624 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8625 } else { 8626 throw new IllegalStateException("Invalid stage location"); 8627 } 8628 } 8629 8630 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8631 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8632 8633 PackageInfoLite pkgLite = null; 8634 8635 if (onInt && onSd) { 8636 // Check if both bits are set. 8637 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8638 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8639 } else { 8640 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8641 packageAbiOverride); 8642 8643 /* 8644 * If we have too little free space, try to free cache 8645 * before giving up. 8646 */ 8647 if (!origin.staged && pkgLite.recommendedInstallLocation 8648 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8649 // TODO: focus freeing disk space on the target device 8650 final StorageManager storage = StorageManager.from(mContext); 8651 final long lowThreshold = storage.getStorageLowBytes( 8652 Environment.getDataDirectory()); 8653 8654 final long sizeBytes = mContainerService.calculateInstalledSize( 8655 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8656 8657 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8658 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8659 installFlags, packageAbiOverride); 8660 } 8661 8662 /* 8663 * The cache free must have deleted the file we 8664 * downloaded to install. 8665 * 8666 * TODO: fix the "freeCache" call to not delete 8667 * the file we care about. 8668 */ 8669 if (pkgLite.recommendedInstallLocation 8670 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8671 pkgLite.recommendedInstallLocation 8672 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8673 } 8674 } 8675 } 8676 8677 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8678 int loc = pkgLite.recommendedInstallLocation; 8679 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8680 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8681 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8682 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8683 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8684 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8685 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8686 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8687 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8688 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8689 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8690 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8691 } else { 8692 // Override with defaults if needed. 8693 loc = installLocationPolicy(pkgLite); 8694 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8695 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8696 } else if (!onSd && !onInt) { 8697 // Override install location with flags 8698 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8699 // Set the flag to install on external media. 8700 installFlags |= PackageManager.INSTALL_EXTERNAL; 8701 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8702 } else { 8703 // Make sure the flag for installing on external 8704 // media is unset 8705 installFlags |= PackageManager.INSTALL_INTERNAL; 8706 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8707 } 8708 } 8709 } 8710 } 8711 8712 final InstallArgs args = createInstallArgs(this); 8713 mArgs = args; 8714 8715 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8716 /* 8717 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8718 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8719 */ 8720 int userIdentifier = getUser().getIdentifier(); 8721 if (userIdentifier == UserHandle.USER_ALL 8722 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8723 userIdentifier = UserHandle.USER_OWNER; 8724 } 8725 8726 /* 8727 * Determine if we have any installed package verifiers. If we 8728 * do, then we'll defer to them to verify the packages. 8729 */ 8730 final int requiredUid = mRequiredVerifierPackage == null ? -1 8731 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8732 if (!origin.existing && requiredUid != -1 8733 && isVerificationEnabled(userIdentifier, installFlags)) { 8734 final Intent verification = new Intent( 8735 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8736 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8737 PACKAGE_MIME_TYPE); 8738 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8739 8740 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8741 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8742 0 /* TODO: Which userId? */); 8743 8744 if (DEBUG_VERIFY) { 8745 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8746 + verification.toString() + " with " + pkgLite.verifiers.length 8747 + " optional verifiers"); 8748 } 8749 8750 final int verificationId = mPendingVerificationToken++; 8751 8752 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8753 8754 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8755 installerPackageName); 8756 8757 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8758 installFlags); 8759 8760 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8761 pkgLite.packageName); 8762 8763 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8764 pkgLite.versionCode); 8765 8766 if (verificationParams != null) { 8767 if (verificationParams.getVerificationURI() != null) { 8768 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8769 verificationParams.getVerificationURI()); 8770 } 8771 if (verificationParams.getOriginatingURI() != null) { 8772 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8773 verificationParams.getOriginatingURI()); 8774 } 8775 if (verificationParams.getReferrer() != null) { 8776 verification.putExtra(Intent.EXTRA_REFERRER, 8777 verificationParams.getReferrer()); 8778 } 8779 if (verificationParams.getOriginatingUid() >= 0) { 8780 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8781 verificationParams.getOriginatingUid()); 8782 } 8783 if (verificationParams.getInstallerUid() >= 0) { 8784 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8785 verificationParams.getInstallerUid()); 8786 } 8787 } 8788 8789 final PackageVerificationState verificationState = new PackageVerificationState( 8790 requiredUid, args); 8791 8792 mPendingVerification.append(verificationId, verificationState); 8793 8794 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8795 receivers, verificationState); 8796 8797 /* 8798 * If any sufficient verifiers were listed in the package 8799 * manifest, attempt to ask them. 8800 */ 8801 if (sufficientVerifiers != null) { 8802 final int N = sufficientVerifiers.size(); 8803 if (N == 0) { 8804 Slog.i(TAG, "Additional verifiers required, but none installed."); 8805 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8806 } else { 8807 for (int i = 0; i < N; i++) { 8808 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8809 8810 final Intent sufficientIntent = new Intent(verification); 8811 sufficientIntent.setComponent(verifierComponent); 8812 8813 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8814 } 8815 } 8816 } 8817 8818 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8819 mRequiredVerifierPackage, receivers); 8820 if (ret == PackageManager.INSTALL_SUCCEEDED 8821 && mRequiredVerifierPackage != null) { 8822 /* 8823 * Send the intent to the required verification agent, 8824 * but only start the verification timeout after the 8825 * target BroadcastReceivers have run. 8826 */ 8827 verification.setComponent(requiredVerifierComponent); 8828 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8829 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8830 new BroadcastReceiver() { 8831 @Override 8832 public void onReceive(Context context, Intent intent) { 8833 final Message msg = mHandler 8834 .obtainMessage(CHECK_PENDING_VERIFICATION); 8835 msg.arg1 = verificationId; 8836 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8837 } 8838 }, null, 0, null, null); 8839 8840 /* 8841 * We don't want the copy to proceed until verification 8842 * succeeds, so null out this field. 8843 */ 8844 mArgs = null; 8845 } 8846 } else { 8847 /* 8848 * No package verification is enabled, so immediately start 8849 * the remote call to initiate copy using temporary file. 8850 */ 8851 ret = args.copyApk(mContainerService, true); 8852 } 8853 } 8854 8855 mRet = ret; 8856 } 8857 8858 @Override 8859 void handleReturnCode() { 8860 // If mArgs is null, then MCS couldn't be reached. When it 8861 // reconnects, it will try again to install. At that point, this 8862 // will succeed. 8863 if (mArgs != null) { 8864 processPendingInstall(mArgs, mRet); 8865 } 8866 } 8867 8868 @Override 8869 void handleServiceError() { 8870 mArgs = createInstallArgs(this); 8871 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8872 } 8873 8874 public boolean isForwardLocked() { 8875 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8876 } 8877 } 8878 8879 /** 8880 * Used during creation of InstallArgs 8881 * 8882 * @param installFlags package installation flags 8883 * @return true if should be installed on external storage 8884 */ 8885 private static boolean installOnSd(int installFlags) { 8886 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 8887 return false; 8888 } 8889 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 8890 return true; 8891 } 8892 return false; 8893 } 8894 8895 /** 8896 * Used during creation of InstallArgs 8897 * 8898 * @param installFlags package installation flags 8899 * @return true if should be installed as forward locked 8900 */ 8901 private static boolean installForwardLocked(int installFlags) { 8902 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8903 } 8904 8905 private InstallArgs createInstallArgs(InstallParams params) { 8906 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 8907 return new AsecInstallArgs(params); 8908 } else { 8909 return new FileInstallArgs(params); 8910 } 8911 } 8912 8913 /** 8914 * Create args that describe an existing installed package. Typically used 8915 * when cleaning up old installs, or used as a move source. 8916 */ 8917 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 8918 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 8919 final boolean isInAsec; 8920 if (installOnSd(installFlags)) { 8921 /* Apps on SD card are always in ASEC containers. */ 8922 isInAsec = true; 8923 } else if (installForwardLocked(installFlags) 8924 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8925 /* 8926 * Forward-locked apps are only in ASEC containers if they're the 8927 * new style 8928 */ 8929 isInAsec = true; 8930 } else { 8931 isInAsec = false; 8932 } 8933 8934 if (isInAsec) { 8935 return new AsecInstallArgs(codePath, instructionSets, 8936 installOnSd(installFlags), installForwardLocked(installFlags)); 8937 } else { 8938 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 8939 instructionSets); 8940 } 8941 } 8942 8943 static abstract class InstallArgs { 8944 /** @see InstallParams#origin */ 8945 final OriginInfo origin; 8946 8947 final IPackageInstallObserver2 observer; 8948 // Always refers to PackageManager flags only 8949 final int installFlags; 8950 final String installerPackageName; 8951 final ManifestDigest manifestDigest; 8952 final UserHandle user; 8953 final String abiOverride; 8954 8955 // The list of instruction sets supported by this app. This is currently 8956 // only used during the rmdex() phase to clean up resources. We can get rid of this 8957 // if we move dex files under the common app path. 8958 /* nullable */ String[] instructionSets; 8959 8960 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8961 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 8962 String[] instructionSets, String abiOverride) { 8963 this.origin = origin; 8964 this.installFlags = installFlags; 8965 this.observer = observer; 8966 this.installerPackageName = installerPackageName; 8967 this.manifestDigest = manifestDigest; 8968 this.user = user; 8969 this.instructionSets = instructionSets; 8970 this.abiOverride = abiOverride; 8971 } 8972 8973 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8974 abstract int doPreInstall(int status); 8975 8976 /** 8977 * Rename package into final resting place. All paths on the given 8978 * scanned package should be updated to reflect the rename. 8979 */ 8980 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 8981 abstract int doPostInstall(int status, int uid); 8982 8983 /** @see PackageSettingBase#codePathString */ 8984 abstract String getCodePath(); 8985 /** @see PackageSettingBase#resourcePathString */ 8986 abstract String getResourcePath(); 8987 abstract String getLegacyNativeLibraryPath(); 8988 8989 // Need installer lock especially for dex file removal. 8990 abstract void cleanUpResourcesLI(); 8991 abstract boolean doPostDeleteLI(boolean delete); 8992 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8993 8994 /** 8995 * Called before the source arguments are copied. This is used mostly 8996 * for MoveParams when it needs to read the source file to put it in the 8997 * destination. 8998 */ 8999 int doPreCopy() { 9000 return PackageManager.INSTALL_SUCCEEDED; 9001 } 9002 9003 /** 9004 * Called after the source arguments are copied. This is used mostly for 9005 * MoveParams when it needs to read the source file to put it in the 9006 * destination. 9007 * 9008 * @return 9009 */ 9010 int doPostCopy(int uid) { 9011 return PackageManager.INSTALL_SUCCEEDED; 9012 } 9013 9014 protected boolean isFwdLocked() { 9015 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9016 } 9017 9018 protected boolean isExternal() { 9019 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9020 } 9021 9022 UserHandle getUser() { 9023 return user; 9024 } 9025 } 9026 9027 /** 9028 * Logic to handle installation of non-ASEC applications, including copying 9029 * and renaming logic. 9030 */ 9031 class FileInstallArgs extends InstallArgs { 9032 private File codeFile; 9033 private File resourceFile; 9034 private File legacyNativeLibraryPath; 9035 9036 // Example topology: 9037 // /data/app/com.example/base.apk 9038 // /data/app/com.example/split_foo.apk 9039 // /data/app/com.example/lib/arm/libfoo.so 9040 // /data/app/com.example/lib/arm64/libfoo.so 9041 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9042 9043 /** New install */ 9044 FileInstallArgs(InstallParams params) { 9045 super(params.origin, params.observer, params.installFlags, 9046 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9047 null /* instruction sets */, params.packageAbiOverride); 9048 if (isFwdLocked()) { 9049 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9050 } 9051 } 9052 9053 /** Existing install */ 9054 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9055 String[] instructionSets) { 9056 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9057 this.codeFile = (codePath != null) ? new File(codePath) : null; 9058 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9059 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9060 new File(legacyNativeLibraryPath) : null; 9061 } 9062 9063 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9064 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9065 isFwdLocked(), abiOverride); 9066 9067 final StorageManager storage = StorageManager.from(mContext); 9068 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9069 } 9070 9071 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9072 if (origin.staged) { 9073 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9074 codeFile = origin.file; 9075 resourceFile = origin.file; 9076 return PackageManager.INSTALL_SUCCEEDED; 9077 } 9078 9079 try { 9080 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9081 codeFile = tempDir; 9082 resourceFile = tempDir; 9083 } catch (IOException e) { 9084 Slog.w(TAG, "Failed to create copy file: " + e); 9085 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9086 } 9087 9088 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9089 @Override 9090 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9091 if (!FileUtils.isValidExtFilename(name)) { 9092 throw new IllegalArgumentException("Invalid filename: " + name); 9093 } 9094 try { 9095 final File file = new File(codeFile, name); 9096 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9097 O_RDWR | O_CREAT, 0644); 9098 Os.chmod(file.getAbsolutePath(), 0644); 9099 return new ParcelFileDescriptor(fd); 9100 } catch (ErrnoException e) { 9101 throw new RemoteException("Failed to open: " + e.getMessage()); 9102 } 9103 } 9104 }; 9105 9106 int ret = PackageManager.INSTALL_SUCCEEDED; 9107 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9108 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9109 Slog.e(TAG, "Failed to copy package"); 9110 return ret; 9111 } 9112 9113 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9114 NativeLibraryHelper.Handle handle = null; 9115 try { 9116 handle = NativeLibraryHelper.Handle.create(codeFile); 9117 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9118 abiOverride); 9119 } catch (IOException e) { 9120 Slog.e(TAG, "Copying native libraries failed", e); 9121 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9122 } finally { 9123 IoUtils.closeQuietly(handle); 9124 } 9125 9126 return ret; 9127 } 9128 9129 int doPreInstall(int status) { 9130 if (status != PackageManager.INSTALL_SUCCEEDED) { 9131 cleanUp(); 9132 } 9133 return status; 9134 } 9135 9136 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9137 if (status != PackageManager.INSTALL_SUCCEEDED) { 9138 cleanUp(); 9139 return false; 9140 } else { 9141 final File beforeCodeFile = codeFile; 9142 final File afterCodeFile = getNextCodePath(pkg.packageName); 9143 9144 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9145 try { 9146 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9147 } catch (ErrnoException e) { 9148 Slog.d(TAG, "Failed to rename", e); 9149 return false; 9150 } 9151 9152 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9153 Slog.d(TAG, "Failed to restorecon"); 9154 return false; 9155 } 9156 9157 // Reflect the rename internally 9158 codeFile = afterCodeFile; 9159 resourceFile = afterCodeFile; 9160 9161 // Reflect the rename in scanned details 9162 pkg.codePath = afterCodeFile.getAbsolutePath(); 9163 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9164 pkg.baseCodePath); 9165 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9166 pkg.splitCodePaths); 9167 9168 // Reflect the rename in app info 9169 pkg.applicationInfo.setCodePath(pkg.codePath); 9170 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9171 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9172 pkg.applicationInfo.setResourcePath(pkg.codePath); 9173 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9174 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9175 9176 return true; 9177 } 9178 } 9179 9180 int doPostInstall(int status, int uid) { 9181 if (status != PackageManager.INSTALL_SUCCEEDED) { 9182 cleanUp(); 9183 } 9184 return status; 9185 } 9186 9187 @Override 9188 String getCodePath() { 9189 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9190 } 9191 9192 @Override 9193 String getResourcePath() { 9194 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9195 } 9196 9197 @Override 9198 String getLegacyNativeLibraryPath() { 9199 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9200 } 9201 9202 private boolean cleanUp() { 9203 if (codeFile == null || !codeFile.exists()) { 9204 return false; 9205 } 9206 9207 if (codeFile.isDirectory()) { 9208 FileUtils.deleteContents(codeFile); 9209 } 9210 codeFile.delete(); 9211 9212 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9213 resourceFile.delete(); 9214 } 9215 9216 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9217 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9218 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9219 } 9220 legacyNativeLibraryPath.delete(); 9221 } 9222 9223 return true; 9224 } 9225 9226 void cleanUpResourcesLI() { 9227 // Try enumerating all code paths before deleting 9228 List<String> allCodePaths = Collections.EMPTY_LIST; 9229 if (codeFile != null && codeFile.exists()) { 9230 try { 9231 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9232 allCodePaths = pkg.getAllCodePaths(); 9233 } catch (PackageParserException e) { 9234 // Ignored; we tried our best 9235 } 9236 } 9237 9238 cleanUp(); 9239 9240 if (!allCodePaths.isEmpty()) { 9241 if (instructionSets == null) { 9242 throw new IllegalStateException("instructionSet == null"); 9243 } 9244 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9245 for (String codePath : allCodePaths) { 9246 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9247 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9248 if (retCode < 0) { 9249 Slog.w(TAG, "Couldn't remove dex file for package: " 9250 + " at location " + codePath + ", retcode=" + retCode); 9251 // we don't consider this to be a failure of the core package deletion 9252 } 9253 } 9254 } 9255 } 9256 } 9257 9258 boolean doPostDeleteLI(boolean delete) { 9259 // XXX err, shouldn't we respect the delete flag? 9260 cleanUpResourcesLI(); 9261 return true; 9262 } 9263 } 9264 9265 private boolean isAsecExternal(String cid) { 9266 final String asecPath = PackageHelper.getSdFilesystem(cid); 9267 return !asecPath.startsWith(mAsecInternalPath); 9268 } 9269 9270 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9271 PackageManagerException { 9272 if (copyRet < 0) { 9273 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9274 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9275 throw new PackageManagerException(copyRet, message); 9276 } 9277 } 9278 } 9279 9280 /** 9281 * Extract the MountService "container ID" from the full code path of an 9282 * .apk. 9283 */ 9284 static String cidFromCodePath(String fullCodePath) { 9285 int eidx = fullCodePath.lastIndexOf("/"); 9286 String subStr1 = fullCodePath.substring(0, eidx); 9287 int sidx = subStr1.lastIndexOf("/"); 9288 return subStr1.substring(sidx+1, eidx); 9289 } 9290 9291 /** 9292 * Logic to handle installation of ASEC applications, including copying and 9293 * renaming logic. 9294 */ 9295 class AsecInstallArgs extends InstallArgs { 9296 static final String RES_FILE_NAME = "pkg.apk"; 9297 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9298 9299 String cid; 9300 String packagePath; 9301 String resourcePath; 9302 String legacyNativeLibraryDir; 9303 9304 /** New install */ 9305 AsecInstallArgs(InstallParams params) { 9306 super(params.origin, params.observer, params.installFlags, 9307 params.installerPackageName, params.getManifestDigest(), 9308 params.getUser(), null /* instruction sets */, 9309 params.packageAbiOverride); 9310 } 9311 9312 /** Existing install */ 9313 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9314 boolean isExternal, boolean isForwardLocked) { 9315 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9316 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9317 instructionSets, null); 9318 // Hackily pretend we're still looking at a full code path 9319 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9320 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9321 } 9322 9323 // Extract cid from fullCodePath 9324 int eidx = fullCodePath.lastIndexOf("/"); 9325 String subStr1 = fullCodePath.substring(0, eidx); 9326 int sidx = subStr1.lastIndexOf("/"); 9327 cid = subStr1.substring(sidx+1, eidx); 9328 setMountPath(subStr1); 9329 } 9330 9331 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9332 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9333 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9334 instructionSets, null); 9335 this.cid = cid; 9336 setMountPath(PackageHelper.getSdDir(cid)); 9337 } 9338 9339 void createCopyFile() { 9340 cid = mInstallerService.allocateExternalStageCidLegacy(); 9341 } 9342 9343 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9344 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9345 abiOverride); 9346 9347 final File target; 9348 if (isExternal()) { 9349 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9350 } else { 9351 target = Environment.getDataDirectory(); 9352 } 9353 9354 final StorageManager storage = StorageManager.from(mContext); 9355 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9356 } 9357 9358 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9359 if (origin.staged) { 9360 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9361 cid = origin.cid; 9362 setMountPath(PackageHelper.getSdDir(cid)); 9363 return PackageManager.INSTALL_SUCCEEDED; 9364 } 9365 9366 if (temp) { 9367 createCopyFile(); 9368 } else { 9369 /* 9370 * Pre-emptively destroy the container since it's destroyed if 9371 * copying fails due to it existing anyway. 9372 */ 9373 PackageHelper.destroySdDir(cid); 9374 } 9375 9376 final String newMountPath = imcs.copyPackageToContainer( 9377 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9378 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9379 9380 if (newMountPath != null) { 9381 setMountPath(newMountPath); 9382 return PackageManager.INSTALL_SUCCEEDED; 9383 } else { 9384 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9385 } 9386 } 9387 9388 @Override 9389 String getCodePath() { 9390 return packagePath; 9391 } 9392 9393 @Override 9394 String getResourcePath() { 9395 return resourcePath; 9396 } 9397 9398 @Override 9399 String getLegacyNativeLibraryPath() { 9400 return legacyNativeLibraryDir; 9401 } 9402 9403 int doPreInstall(int status) { 9404 if (status != PackageManager.INSTALL_SUCCEEDED) { 9405 // Destroy container 9406 PackageHelper.destroySdDir(cid); 9407 } else { 9408 boolean mounted = PackageHelper.isContainerMounted(cid); 9409 if (!mounted) { 9410 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9411 Process.SYSTEM_UID); 9412 if (newMountPath != null) { 9413 setMountPath(newMountPath); 9414 } else { 9415 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9416 } 9417 } 9418 } 9419 return status; 9420 } 9421 9422 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9423 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9424 String newMountPath = null; 9425 if (PackageHelper.isContainerMounted(cid)) { 9426 // Unmount the container 9427 if (!PackageHelper.unMountSdDir(cid)) { 9428 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9429 return false; 9430 } 9431 } 9432 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9433 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9434 " which might be stale. Will try to clean up."); 9435 // Clean up the stale container and proceed to recreate. 9436 if (!PackageHelper.destroySdDir(newCacheId)) { 9437 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9438 return false; 9439 } 9440 // Successfully cleaned up stale container. Try to rename again. 9441 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9442 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9443 + " inspite of cleaning it up."); 9444 return false; 9445 } 9446 } 9447 if (!PackageHelper.isContainerMounted(newCacheId)) { 9448 Slog.w(TAG, "Mounting container " + newCacheId); 9449 newMountPath = PackageHelper.mountSdDir(newCacheId, 9450 getEncryptKey(), Process.SYSTEM_UID); 9451 } else { 9452 newMountPath = PackageHelper.getSdDir(newCacheId); 9453 } 9454 if (newMountPath == null) { 9455 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9456 return false; 9457 } 9458 Log.i(TAG, "Succesfully renamed " + cid + 9459 " to " + newCacheId + 9460 " at new path: " + newMountPath); 9461 cid = newCacheId; 9462 9463 final File beforeCodeFile = new File(packagePath); 9464 setMountPath(newMountPath); 9465 final File afterCodeFile = new File(packagePath); 9466 9467 // Reflect the rename in scanned details 9468 pkg.codePath = afterCodeFile.getAbsolutePath(); 9469 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9470 pkg.baseCodePath); 9471 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9472 pkg.splitCodePaths); 9473 9474 // Reflect the rename in app info 9475 pkg.applicationInfo.setCodePath(pkg.codePath); 9476 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9477 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9478 pkg.applicationInfo.setResourcePath(pkg.codePath); 9479 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9480 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9481 9482 return true; 9483 } 9484 9485 private void setMountPath(String mountPath) { 9486 final File mountFile = new File(mountPath); 9487 9488 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9489 if (monolithicFile.exists()) { 9490 packagePath = monolithicFile.getAbsolutePath(); 9491 if (isFwdLocked()) { 9492 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9493 } else { 9494 resourcePath = packagePath; 9495 } 9496 } else { 9497 packagePath = mountFile.getAbsolutePath(); 9498 resourcePath = packagePath; 9499 } 9500 9501 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9502 } 9503 9504 int doPostInstall(int status, int uid) { 9505 if (status != PackageManager.INSTALL_SUCCEEDED) { 9506 cleanUp(); 9507 } else { 9508 final int groupOwner; 9509 final String protectedFile; 9510 if (isFwdLocked()) { 9511 groupOwner = UserHandle.getSharedAppGid(uid); 9512 protectedFile = RES_FILE_NAME; 9513 } else { 9514 groupOwner = -1; 9515 protectedFile = null; 9516 } 9517 9518 if (uid < Process.FIRST_APPLICATION_UID 9519 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9520 Slog.e(TAG, "Failed to finalize " + cid); 9521 PackageHelper.destroySdDir(cid); 9522 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9523 } 9524 9525 boolean mounted = PackageHelper.isContainerMounted(cid); 9526 if (!mounted) { 9527 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9528 } 9529 } 9530 return status; 9531 } 9532 9533 private void cleanUp() { 9534 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9535 9536 // Destroy secure container 9537 PackageHelper.destroySdDir(cid); 9538 } 9539 9540 private List<String> getAllCodePaths() { 9541 final File codeFile = new File(getCodePath()); 9542 if (codeFile != null && codeFile.exists()) { 9543 try { 9544 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9545 return pkg.getAllCodePaths(); 9546 } catch (PackageParserException e) { 9547 // Ignored; we tried our best 9548 } 9549 } 9550 return Collections.EMPTY_LIST; 9551 } 9552 9553 void cleanUpResourcesLI() { 9554 // Enumerate all code paths before deleting 9555 cleanUpResourcesLI(getAllCodePaths()); 9556 } 9557 9558 private void cleanUpResourcesLI(List<String> allCodePaths) { 9559 cleanUp(); 9560 9561 if (!allCodePaths.isEmpty()) { 9562 if (instructionSets == null) { 9563 throw new IllegalStateException("instructionSet == null"); 9564 } 9565 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9566 for (String codePath : allCodePaths) { 9567 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9568 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9569 if (retCode < 0) { 9570 Slog.w(TAG, "Couldn't remove dex file for package: " 9571 + " at location " + codePath + ", retcode=" + retCode); 9572 // we don't consider this to be a failure of the core package deletion 9573 } 9574 } 9575 } 9576 } 9577 } 9578 9579 boolean matchContainer(String app) { 9580 if (cid.startsWith(app)) { 9581 return true; 9582 } 9583 return false; 9584 } 9585 9586 String getPackageName() { 9587 return getAsecPackageName(cid); 9588 } 9589 9590 boolean doPostDeleteLI(boolean delete) { 9591 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9592 final List<String> allCodePaths = getAllCodePaths(); 9593 boolean mounted = PackageHelper.isContainerMounted(cid); 9594 if (mounted) { 9595 // Unmount first 9596 if (PackageHelper.unMountSdDir(cid)) { 9597 mounted = false; 9598 } 9599 } 9600 if (!mounted && delete) { 9601 cleanUpResourcesLI(allCodePaths); 9602 } 9603 return !mounted; 9604 } 9605 9606 @Override 9607 int doPreCopy() { 9608 if (isFwdLocked()) { 9609 if (!PackageHelper.fixSdPermissions(cid, 9610 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9611 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9612 } 9613 } 9614 9615 return PackageManager.INSTALL_SUCCEEDED; 9616 } 9617 9618 @Override 9619 int doPostCopy(int uid) { 9620 if (isFwdLocked()) { 9621 if (uid < Process.FIRST_APPLICATION_UID 9622 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9623 RES_FILE_NAME)) { 9624 Slog.e(TAG, "Failed to finalize " + cid); 9625 PackageHelper.destroySdDir(cid); 9626 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9627 } 9628 } 9629 9630 return PackageManager.INSTALL_SUCCEEDED; 9631 } 9632 } 9633 9634 static String getAsecPackageName(String packageCid) { 9635 int idx = packageCid.lastIndexOf("-"); 9636 if (idx == -1) { 9637 return packageCid; 9638 } 9639 return packageCid.substring(0, idx); 9640 } 9641 9642 // Utility method used to create code paths based on package name and available index. 9643 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9644 String idxStr = ""; 9645 int idx = 1; 9646 // Fall back to default value of idx=1 if prefix is not 9647 // part of oldCodePath 9648 if (oldCodePath != null) { 9649 String subStr = oldCodePath; 9650 // Drop the suffix right away 9651 if (suffix != null && subStr.endsWith(suffix)) { 9652 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9653 } 9654 // If oldCodePath already contains prefix find out the 9655 // ending index to either increment or decrement. 9656 int sidx = subStr.lastIndexOf(prefix); 9657 if (sidx != -1) { 9658 subStr = subStr.substring(sidx + prefix.length()); 9659 if (subStr != null) { 9660 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9661 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9662 } 9663 try { 9664 idx = Integer.parseInt(subStr); 9665 if (idx <= 1) { 9666 idx++; 9667 } else { 9668 idx--; 9669 } 9670 } catch(NumberFormatException e) { 9671 } 9672 } 9673 } 9674 } 9675 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9676 return prefix + idxStr; 9677 } 9678 9679 private File getNextCodePath(String packageName) { 9680 int suffix = 1; 9681 File result; 9682 do { 9683 result = new File(mAppInstallDir, packageName + "-" + suffix); 9684 suffix++; 9685 } while (result.exists()); 9686 return result; 9687 } 9688 9689 // Utility method used to ignore ADD/REMOVE events 9690 // by directory observer. 9691 private static boolean ignoreCodePath(String fullPathStr) { 9692 String apkName = deriveCodePathName(fullPathStr); 9693 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9694 if (idx != -1 && ((idx+1) < apkName.length())) { 9695 // Make sure the package ends with a numeral 9696 String version = apkName.substring(idx+1); 9697 try { 9698 Integer.parseInt(version); 9699 return true; 9700 } catch (NumberFormatException e) {} 9701 } 9702 return false; 9703 } 9704 9705 // Utility method that returns the relative package path with respect 9706 // to the installation directory. Like say for /data/data/com.test-1.apk 9707 // string com.test-1 is returned. 9708 static String deriveCodePathName(String codePath) { 9709 if (codePath == null) { 9710 return null; 9711 } 9712 final File codeFile = new File(codePath); 9713 final String name = codeFile.getName(); 9714 if (codeFile.isDirectory()) { 9715 return name; 9716 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9717 final int lastDot = name.lastIndexOf('.'); 9718 return name.substring(0, lastDot); 9719 } else { 9720 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9721 return null; 9722 } 9723 } 9724 9725 class PackageInstalledInfo { 9726 String name; 9727 int uid; 9728 // The set of users that originally had this package installed. 9729 int[] origUsers; 9730 // The set of users that now have this package installed. 9731 int[] newUsers; 9732 PackageParser.Package pkg; 9733 int returnCode; 9734 String returnMsg; 9735 PackageRemovedInfo removedInfo; 9736 9737 public void setError(int code, String msg) { 9738 returnCode = code; 9739 returnMsg = msg; 9740 Slog.w(TAG, msg); 9741 } 9742 9743 public void setError(String msg, PackageParserException e) { 9744 returnCode = e.error; 9745 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9746 Slog.w(TAG, msg, e); 9747 } 9748 9749 public void setError(String msg, PackageManagerException e) { 9750 returnCode = e.error; 9751 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9752 Slog.w(TAG, msg, e); 9753 } 9754 9755 // In some error cases we want to convey more info back to the observer 9756 String origPackage; 9757 String origPermission; 9758 } 9759 9760 /* 9761 * Install a non-existing package. 9762 */ 9763 private void installNewPackageLI(PackageParser.Package pkg, 9764 int parseFlags, int scanFlags, UserHandle user, 9765 String installerPackageName, PackageInstalledInfo res) { 9766 // Remember this for later, in case we need to rollback this install 9767 String pkgName = pkg.packageName; 9768 9769 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9770 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9771 synchronized(mPackages) { 9772 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9773 // A package with the same name is already installed, though 9774 // it has been renamed to an older name. The package we 9775 // are trying to install should be installed as an update to 9776 // the existing one, but that has not been requested, so bail. 9777 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9778 + " without first uninstalling package running as " 9779 + mSettings.mRenamedPackages.get(pkgName)); 9780 return; 9781 } 9782 if (mPackages.containsKey(pkgName)) { 9783 // Don't allow installation over an existing package with the same name. 9784 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9785 + " without first uninstalling."); 9786 return; 9787 } 9788 } 9789 9790 try { 9791 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9792 System.currentTimeMillis(), user); 9793 9794 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9795 // delete the partially installed application. the data directory will have to be 9796 // restored if it was already existing 9797 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9798 // remove package from internal structures. Note that we want deletePackageX to 9799 // delete the package data and cache directories that it created in 9800 // scanPackageLocked, unless those directories existed before we even tried to 9801 // install. 9802 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9803 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9804 res.removedInfo, true); 9805 } 9806 9807 } catch (PackageManagerException e) { 9808 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9809 } 9810 } 9811 9812 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9813 // Upgrade keysets are being used. Determine if new package has a superset of the 9814 // required keys. 9815 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9816 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9817 for (int i = 0; i < upgradeKeySets.length; i++) { 9818 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9819 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9820 return true; 9821 } 9822 } 9823 return false; 9824 } 9825 9826 private void replacePackageLI(PackageParser.Package pkg, 9827 int parseFlags, int scanFlags, UserHandle user, 9828 String installerPackageName, PackageInstalledInfo res) { 9829 PackageParser.Package oldPackage; 9830 String pkgName = pkg.packageName; 9831 int[] allUsers; 9832 boolean[] perUserInstalled; 9833 9834 // First find the old package info and check signatures 9835 synchronized(mPackages) { 9836 oldPackage = mPackages.get(pkgName); 9837 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9838 PackageSetting ps = mSettings.mPackages.get(pkgName); 9839 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9840 // default to original signature matching 9841 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9842 != PackageManager.SIGNATURE_MATCH) { 9843 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9844 "New package has a different signature: " + pkgName); 9845 return; 9846 } 9847 } else { 9848 if(!checkUpgradeKeySetLP(ps, pkg)) { 9849 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9850 "New package not signed by keys specified by upgrade-keysets: " 9851 + pkgName); 9852 return; 9853 } 9854 } 9855 9856 // In case of rollback, remember per-user/profile install state 9857 allUsers = sUserManager.getUserIds(); 9858 perUserInstalled = new boolean[allUsers.length]; 9859 for (int i = 0; i < allUsers.length; i++) { 9860 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9861 } 9862 } 9863 9864 boolean sysPkg = (isSystemApp(oldPackage)); 9865 if (sysPkg) { 9866 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9867 user, allUsers, perUserInstalled, installerPackageName, res); 9868 } else { 9869 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9870 user, allUsers, perUserInstalled, installerPackageName, res); 9871 } 9872 } 9873 9874 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9875 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 9876 int[] allUsers, boolean[] perUserInstalled, 9877 String installerPackageName, PackageInstalledInfo res) { 9878 String pkgName = deletedPackage.packageName; 9879 boolean deletedPkg = true; 9880 boolean updatedSettings = false; 9881 9882 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9883 + deletedPackage); 9884 long origUpdateTime; 9885 if (pkg.mExtras != null) { 9886 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9887 } else { 9888 origUpdateTime = 0; 9889 } 9890 9891 // First delete the existing package while retaining the data directory 9892 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9893 res.removedInfo, true)) { 9894 // If the existing package wasn't successfully deleted 9895 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 9896 deletedPkg = false; 9897 } else { 9898 // Successfully deleted the old package; proceed with replace. 9899 9900 // If deleted package lived in a container, give users a chance to 9901 // relinquish resources before killing. 9902 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 9903 if (DEBUG_INSTALL) { 9904 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 9905 } 9906 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 9907 final ArrayList<String> pkgList = new ArrayList<String>(1); 9908 pkgList.add(deletedPackage.applicationInfo.packageName); 9909 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 9910 } 9911 9912 deleteCodeCacheDirsLI(pkgName); 9913 try { 9914 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 9915 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 9916 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9917 updatedSettings = true; 9918 } catch (PackageManagerException e) { 9919 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9920 } 9921 } 9922 9923 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9924 // remove package from internal structures. Note that we want deletePackageX to 9925 // delete the package data and cache directories that it created in 9926 // scanPackageLocked, unless those directories existed before we even tried to 9927 // install. 9928 if(updatedSettings) { 9929 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9930 deletePackageLI( 9931 pkgName, null, true, allUsers, perUserInstalled, 9932 PackageManager.DELETE_KEEP_DATA, 9933 res.removedInfo, true); 9934 } 9935 // Since we failed to install the new package we need to restore the old 9936 // package that we deleted. 9937 if (deletedPkg) { 9938 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9939 File restoreFile = new File(deletedPackage.codePath); 9940 // Parse old package 9941 boolean oldOnSd = isExternal(deletedPackage); 9942 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9943 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9944 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9945 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 9946 try { 9947 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 9948 } catch (PackageManagerException e) { 9949 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 9950 + e.getMessage()); 9951 return; 9952 } 9953 // Restore of old package succeeded. Update permissions. 9954 // writer 9955 synchronized (mPackages) { 9956 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9957 UPDATE_PERMISSIONS_ALL); 9958 // can downgrade to reader 9959 mSettings.writeLPr(); 9960 } 9961 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9962 } 9963 } 9964 } 9965 9966 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9967 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 9968 int[] allUsers, boolean[] perUserInstalled, 9969 String installerPackageName, PackageInstalledInfo res) { 9970 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9971 + ", old=" + deletedPackage); 9972 boolean updatedSettings = false; 9973 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 9974 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9975 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9976 } 9977 String packageName = deletedPackage.packageName; 9978 if (packageName == null) { 9979 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 9980 "Attempt to delete null packageName."); 9981 return; 9982 } 9983 PackageParser.Package oldPkg; 9984 PackageSetting oldPkgSetting; 9985 // reader 9986 synchronized (mPackages) { 9987 oldPkg = mPackages.get(packageName); 9988 oldPkgSetting = mSettings.mPackages.get(packageName); 9989 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9990 (oldPkgSetting == null)) { 9991 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 9992 "Couldn't find package:" + packageName + " information"); 9993 return; 9994 } 9995 } 9996 9997 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9998 9999 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10000 res.removedInfo.removedPackage = packageName; 10001 // Remove existing system package 10002 removePackageLI(oldPkgSetting, true); 10003 // writer 10004 synchronized (mPackages) { 10005 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10006 // We didn't need to disable the .apk as a current system package, 10007 // which means we are replacing another update that is already 10008 // installed. We need to make sure to delete the older one's .apk. 10009 res.removedInfo.args = createInstallArgsForExisting(0, 10010 deletedPackage.applicationInfo.getCodePath(), 10011 deletedPackage.applicationInfo.getResourcePath(), 10012 deletedPackage.applicationInfo.nativeLibraryRootDir, 10013 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10014 } else { 10015 res.removedInfo.args = null; 10016 } 10017 } 10018 10019 // Successfully disabled the old package. Now proceed with re-installation 10020 deleteCodeCacheDirsLI(packageName); 10021 10022 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10023 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10024 10025 PackageParser.Package newPackage = null; 10026 try { 10027 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10028 if (newPackage.mExtras != null) { 10029 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10030 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10031 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10032 10033 // is the update attempting to change shared user? that isn't going to work... 10034 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10035 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10036 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10037 + " to " + newPkgSetting.sharedUser); 10038 updatedSettings = true; 10039 } 10040 } 10041 10042 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10043 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10044 updatedSettings = true; 10045 } 10046 10047 } catch (PackageManagerException e) { 10048 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10049 } 10050 10051 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10052 // Re installation failed. Restore old information 10053 // Remove new pkg information 10054 if (newPackage != null) { 10055 removeInstalledPackageLI(newPackage, true); 10056 } 10057 // Add back the old system package 10058 try { 10059 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10060 } catch (PackageManagerException e) { 10061 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10062 } 10063 // Restore the old system information in Settings 10064 synchronized(mPackages) { 10065 if (updatedSettings) { 10066 mSettings.enableSystemPackageLPw(packageName); 10067 mSettings.setInstallerPackageName(packageName, 10068 oldPkgSetting.installerPackageName); 10069 } 10070 mSettings.writeLPr(); 10071 } 10072 } 10073 } 10074 10075 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10076 int[] allUsers, boolean[] perUserInstalled, 10077 PackageInstalledInfo res) { 10078 String pkgName = newPackage.packageName; 10079 synchronized (mPackages) { 10080 //write settings. the installStatus will be incomplete at this stage. 10081 //note that the new package setting would have already been 10082 //added to mPackages. It hasn't been persisted yet. 10083 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10084 mSettings.writeLPr(); 10085 } 10086 10087 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10088 10089 synchronized (mPackages) { 10090 updatePermissionsLPw(newPackage.packageName, newPackage, 10091 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10092 ? UPDATE_PERMISSIONS_ALL : 0)); 10093 // For system-bundled packages, we assume that installing an upgraded version 10094 // of the package implies that the user actually wants to run that new code, 10095 // so we enable the package. 10096 if (isSystemApp(newPackage)) { 10097 // NB: implicit assumption that system package upgrades apply to all users 10098 if (DEBUG_INSTALL) { 10099 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10100 } 10101 PackageSetting ps = mSettings.mPackages.get(pkgName); 10102 if (ps != null) { 10103 if (res.origUsers != null) { 10104 for (int userHandle : res.origUsers) { 10105 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10106 userHandle, installerPackageName); 10107 } 10108 } 10109 // Also convey the prior install/uninstall state 10110 if (allUsers != null && perUserInstalled != null) { 10111 for (int i = 0; i < allUsers.length; i++) { 10112 if (DEBUG_INSTALL) { 10113 Slog.d(TAG, " user " + allUsers[i] 10114 + " => " + perUserInstalled[i]); 10115 } 10116 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10117 } 10118 // these install state changes will be persisted in the 10119 // upcoming call to mSettings.writeLPr(). 10120 } 10121 } 10122 } 10123 res.name = pkgName; 10124 res.uid = newPackage.applicationInfo.uid; 10125 res.pkg = newPackage; 10126 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10127 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10128 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10129 //to update install status 10130 mSettings.writeLPr(); 10131 } 10132 } 10133 10134 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10135 final int installFlags = args.installFlags; 10136 String installerPackageName = args.installerPackageName; 10137 File tmpPackageFile = new File(args.getCodePath()); 10138 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10139 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10140 boolean replace = false; 10141 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10142 // Result object to be returned 10143 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10144 10145 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10146 // Retrieve PackageSettings and parse package 10147 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10148 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10149 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10150 PackageParser pp = new PackageParser(); 10151 pp.setSeparateProcesses(mSeparateProcesses); 10152 pp.setDisplayMetrics(mMetrics); 10153 10154 final PackageParser.Package pkg; 10155 try { 10156 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10157 } catch (PackageParserException e) { 10158 res.setError("Failed parse during installPackageLI", e); 10159 return; 10160 } 10161 10162 // Mark that we have an install time CPU ABI override. 10163 pkg.cpuAbiOverride = args.abiOverride; 10164 10165 String pkgName = res.name = pkg.packageName; 10166 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10167 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10168 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10169 return; 10170 } 10171 } 10172 10173 try { 10174 pp.collectCertificates(pkg, parseFlags); 10175 pp.collectManifestDigest(pkg); 10176 } catch (PackageParserException e) { 10177 res.setError("Failed collect during installPackageLI", e); 10178 return; 10179 } 10180 10181 /* If the installer passed in a manifest digest, compare it now. */ 10182 if (args.manifestDigest != null) { 10183 if (DEBUG_INSTALL) { 10184 final String parsedManifest = pkg.manifestDigest == null ? "null" 10185 : pkg.manifestDigest.toString(); 10186 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10187 + parsedManifest); 10188 } 10189 10190 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10191 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10192 return; 10193 } 10194 } else if (DEBUG_INSTALL) { 10195 final String parsedManifest = pkg.manifestDigest == null 10196 ? "null" : pkg.manifestDigest.toString(); 10197 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10198 } 10199 10200 // Get rid of all references to package scan path via parser. 10201 pp = null; 10202 String oldCodePath = null; 10203 boolean systemApp = false; 10204 synchronized (mPackages) { 10205 // Check whether the newly-scanned package wants to define an already-defined perm 10206 int N = pkg.permissions.size(); 10207 for (int i = N-1; i >= 0; i--) { 10208 PackageParser.Permission perm = pkg.permissions.get(i); 10209 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10210 if (bp != null) { 10211 // If the defining package is signed with our cert, it's okay. This 10212 // also includes the "updating the same package" case, of course. 10213 // "updating same package" could also involve key-rotation. 10214 final boolean sigsOk; 10215 if (!bp.sourcePackage.equals(pkg.packageName) 10216 || !(bp.packageSetting instanceof PackageSetting) 10217 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10218 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10219 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10220 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10221 } else { 10222 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10223 } 10224 if (!sigsOk) { 10225 // If the owning package is the system itself, we log but allow 10226 // install to proceed; we fail the install on all other permission 10227 // redefinitions. 10228 if (!bp.sourcePackage.equals("android")) { 10229 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10230 + pkg.packageName + " attempting to redeclare permission " 10231 + perm.info.name + " already owned by " + bp.sourcePackage); 10232 res.origPermission = perm.info.name; 10233 res.origPackage = bp.sourcePackage; 10234 return; 10235 } else { 10236 Slog.w(TAG, "Package " + pkg.packageName 10237 + " attempting to redeclare system permission " 10238 + perm.info.name + "; ignoring new declaration"); 10239 pkg.permissions.remove(i); 10240 } 10241 } 10242 } 10243 } 10244 10245 // Check if installing already existing package 10246 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10247 String oldName = mSettings.mRenamedPackages.get(pkgName); 10248 if (pkg.mOriginalPackages != null 10249 && pkg.mOriginalPackages.contains(oldName) 10250 && mPackages.containsKey(oldName)) { 10251 // This package is derived from an original package, 10252 // and this device has been updating from that original 10253 // name. We must continue using the original name, so 10254 // rename the new package here. 10255 pkg.setPackageName(oldName); 10256 pkgName = pkg.packageName; 10257 replace = true; 10258 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10259 + oldName + " pkgName=" + pkgName); 10260 } else if (mPackages.containsKey(pkgName)) { 10261 // This package, under its official name, already exists 10262 // on the device; we should replace it. 10263 replace = true; 10264 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10265 } 10266 } 10267 PackageSetting ps = mSettings.mPackages.get(pkgName); 10268 if (ps != null) { 10269 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10270 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10271 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10272 systemApp = (ps.pkg.applicationInfo.flags & 10273 ApplicationInfo.FLAG_SYSTEM) != 0; 10274 } 10275 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10276 } 10277 } 10278 10279 if (systemApp && onSd) { 10280 // Disable updates to system apps on sdcard 10281 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10282 "Cannot install updates to system apps on sdcard"); 10283 return; 10284 } 10285 10286 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10287 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10288 return; 10289 } 10290 10291 if (replace) { 10292 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10293 installerPackageName, res); 10294 } else { 10295 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10296 args.user, installerPackageName, res); 10297 } 10298 synchronized (mPackages) { 10299 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10300 if (ps != null) { 10301 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10302 } 10303 } 10304 } 10305 10306 private static boolean isForwardLocked(PackageParser.Package pkg) { 10307 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10308 } 10309 10310 private static boolean isForwardLocked(ApplicationInfo info) { 10311 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10312 } 10313 10314 private boolean isForwardLocked(PackageSetting ps) { 10315 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10316 } 10317 10318 private static boolean isMultiArch(PackageSetting ps) { 10319 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10320 } 10321 10322 private static boolean isMultiArch(ApplicationInfo info) { 10323 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10324 } 10325 10326 private static boolean isExternal(PackageParser.Package pkg) { 10327 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10328 } 10329 10330 private static boolean isExternal(PackageSetting ps) { 10331 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10332 } 10333 10334 private static boolean isExternal(ApplicationInfo info) { 10335 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10336 } 10337 10338 private static boolean isSystemApp(PackageParser.Package pkg) { 10339 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10340 } 10341 10342 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10343 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10344 } 10345 10346 private static boolean isSystemApp(ApplicationInfo info) { 10347 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10348 } 10349 10350 private static boolean isSystemApp(PackageSetting ps) { 10351 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10352 } 10353 10354 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10355 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10356 } 10357 10358 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10359 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10360 } 10361 10362 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10363 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10364 } 10365 10366 private int packageFlagsToInstallFlags(PackageSetting ps) { 10367 int installFlags = 0; 10368 if (isExternal(ps)) { 10369 installFlags |= PackageManager.INSTALL_EXTERNAL; 10370 } 10371 if (isForwardLocked(ps)) { 10372 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10373 } 10374 return installFlags; 10375 } 10376 10377 private void deleteTempPackageFiles() { 10378 final FilenameFilter filter = new FilenameFilter() { 10379 public boolean accept(File dir, String name) { 10380 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10381 } 10382 }; 10383 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10384 file.delete(); 10385 } 10386 } 10387 10388 @Override 10389 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10390 int flags) { 10391 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10392 flags); 10393 } 10394 10395 @Override 10396 public void deletePackage(final String packageName, 10397 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10398 mContext.enforceCallingOrSelfPermission( 10399 android.Manifest.permission.DELETE_PACKAGES, null); 10400 final int uid = Binder.getCallingUid(); 10401 if (UserHandle.getUserId(uid) != userId) { 10402 mContext.enforceCallingPermission( 10403 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10404 "deletePackage for user " + userId); 10405 } 10406 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10407 try { 10408 observer.onPackageDeleted(packageName, 10409 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10410 } catch (RemoteException re) { 10411 } 10412 return; 10413 } 10414 10415 boolean uninstallBlocked = false; 10416 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10417 int[] users = sUserManager.getUserIds(); 10418 for (int i = 0; i < users.length; ++i) { 10419 if (getBlockUninstallForUser(packageName, users[i])) { 10420 uninstallBlocked = true; 10421 break; 10422 } 10423 } 10424 } else { 10425 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10426 } 10427 if (uninstallBlocked) { 10428 try { 10429 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10430 null); 10431 } catch (RemoteException re) { 10432 } 10433 return; 10434 } 10435 10436 if (DEBUG_REMOVE) { 10437 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10438 } 10439 // Queue up an async operation since the package deletion may take a little while. 10440 mHandler.post(new Runnable() { 10441 public void run() { 10442 mHandler.removeCallbacks(this); 10443 final int returnCode = deletePackageX(packageName, userId, flags); 10444 if (observer != null) { 10445 try { 10446 observer.onPackageDeleted(packageName, returnCode, null); 10447 } catch (RemoteException e) { 10448 Log.i(TAG, "Observer no longer exists."); 10449 } //end catch 10450 } //end if 10451 } //end run 10452 }); 10453 } 10454 10455 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10456 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10457 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10458 try { 10459 if (dpm != null) { 10460 if (dpm.isDeviceOwner(packageName)) { 10461 return true; 10462 } 10463 int[] users; 10464 if (userId == UserHandle.USER_ALL) { 10465 users = sUserManager.getUserIds(); 10466 } else { 10467 users = new int[]{userId}; 10468 } 10469 for (int i = 0; i < users.length; ++i) { 10470 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10471 return true; 10472 } 10473 } 10474 } 10475 } catch (RemoteException e) { 10476 } 10477 return false; 10478 } 10479 10480 /** 10481 * This method is an internal method that could be get invoked either 10482 * to delete an installed package or to clean up a failed installation. 10483 * After deleting an installed package, a broadcast is sent to notify any 10484 * listeners that the package has been installed. For cleaning up a failed 10485 * installation, the broadcast is not necessary since the package's 10486 * installation wouldn't have sent the initial broadcast either 10487 * The key steps in deleting a package are 10488 * deleting the package information in internal structures like mPackages, 10489 * deleting the packages base directories through installd 10490 * updating mSettings to reflect current status 10491 * persisting settings for later use 10492 * sending a broadcast if necessary 10493 */ 10494 private int deletePackageX(String packageName, int userId, int flags) { 10495 final PackageRemovedInfo info = new PackageRemovedInfo(); 10496 final boolean res; 10497 10498 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10499 ? UserHandle.ALL : new UserHandle(userId); 10500 10501 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10502 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10503 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10504 } 10505 10506 boolean removedForAllUsers = false; 10507 boolean systemUpdate = false; 10508 10509 // for the uninstall-updates case and restricted profiles, remember the per- 10510 // userhandle installed state 10511 int[] allUsers; 10512 boolean[] perUserInstalled; 10513 synchronized (mPackages) { 10514 PackageSetting ps = mSettings.mPackages.get(packageName); 10515 allUsers = sUserManager.getUserIds(); 10516 perUserInstalled = new boolean[allUsers.length]; 10517 for (int i = 0; i < allUsers.length; i++) { 10518 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10519 } 10520 } 10521 10522 synchronized (mInstallLock) { 10523 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10524 res = deletePackageLI(packageName, removeForUser, 10525 true, allUsers, perUserInstalled, 10526 flags | REMOVE_CHATTY, info, true); 10527 systemUpdate = info.isRemovedPackageSystemUpdate; 10528 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10529 removedForAllUsers = true; 10530 } 10531 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10532 + " removedForAllUsers=" + removedForAllUsers); 10533 } 10534 10535 if (res) { 10536 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10537 10538 // If the removed package was a system update, the old system package 10539 // was re-enabled; we need to broadcast this information 10540 if (systemUpdate) { 10541 Bundle extras = new Bundle(1); 10542 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10543 ? info.removedAppId : info.uid); 10544 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10545 10546 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10547 extras, null, null, null); 10548 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10549 extras, null, null, null); 10550 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10551 null, packageName, null, null); 10552 } 10553 } 10554 // Force a gc here. 10555 Runtime.getRuntime().gc(); 10556 // Delete the resources here after sending the broadcast to let 10557 // other processes clean up before deleting resources. 10558 if (info.args != null) { 10559 synchronized (mInstallLock) { 10560 info.args.doPostDeleteLI(true); 10561 } 10562 } 10563 10564 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10565 } 10566 10567 static class PackageRemovedInfo { 10568 String removedPackage; 10569 int uid = -1; 10570 int removedAppId = -1; 10571 int[] removedUsers = null; 10572 boolean isRemovedPackageSystemUpdate = false; 10573 // Clean up resources deleted packages. 10574 InstallArgs args = null; 10575 10576 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10577 Bundle extras = new Bundle(1); 10578 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10579 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10580 if (replacing) { 10581 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10582 } 10583 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10584 if (removedPackage != null) { 10585 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10586 extras, null, null, removedUsers); 10587 if (fullRemove && !replacing) { 10588 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10589 extras, null, null, removedUsers); 10590 } 10591 } 10592 if (removedAppId >= 0) { 10593 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10594 removedUsers); 10595 } 10596 } 10597 } 10598 10599 /* 10600 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10601 * flag is not set, the data directory is removed as well. 10602 * make sure this flag is set for partially installed apps. If not its meaningless to 10603 * delete a partially installed application. 10604 */ 10605 private void removePackageDataLI(PackageSetting ps, 10606 int[] allUserHandles, boolean[] perUserInstalled, 10607 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10608 String packageName = ps.name; 10609 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10610 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10611 // Retrieve object to delete permissions for shared user later on 10612 final PackageSetting deletedPs; 10613 // reader 10614 synchronized (mPackages) { 10615 deletedPs = mSettings.mPackages.get(packageName); 10616 if (outInfo != null) { 10617 outInfo.removedPackage = packageName; 10618 outInfo.removedUsers = deletedPs != null 10619 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10620 : null; 10621 } 10622 } 10623 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10624 removeDataDirsLI(packageName); 10625 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10626 } 10627 // writer 10628 synchronized (mPackages) { 10629 if (deletedPs != null) { 10630 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10631 if (outInfo != null) { 10632 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10633 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10634 } 10635 if (deletedPs != null) { 10636 updatePermissionsLPw(deletedPs.name, null, 0); 10637 if (deletedPs.sharedUser != null) { 10638 // remove permissions associated with package 10639 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10640 } 10641 } 10642 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10643 } 10644 // make sure to preserve per-user disabled state if this removal was just 10645 // a downgrade of a system app to the factory package 10646 if (allUserHandles != null && perUserInstalled != null) { 10647 if (DEBUG_REMOVE) { 10648 Slog.d(TAG, "Propagating install state across downgrade"); 10649 } 10650 for (int i = 0; i < allUserHandles.length; i++) { 10651 if (DEBUG_REMOVE) { 10652 Slog.d(TAG, " user " + allUserHandles[i] 10653 + " => " + perUserInstalled[i]); 10654 } 10655 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10656 } 10657 } 10658 } 10659 // can downgrade to reader 10660 if (writeSettings) { 10661 // Save settings now 10662 mSettings.writeLPr(); 10663 } 10664 } 10665 if (outInfo != null) { 10666 // A user ID was deleted here. Go through all users and remove it 10667 // from KeyStore. 10668 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10669 } 10670 } 10671 10672 static boolean locationIsPrivileged(File path) { 10673 try { 10674 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10675 .getCanonicalPath(); 10676 return path.getCanonicalPath().startsWith(privilegedAppDir); 10677 } catch (IOException e) { 10678 Slog.e(TAG, "Unable to access code path " + path); 10679 } 10680 return false; 10681 } 10682 10683 /* 10684 * Tries to delete system package. 10685 */ 10686 private boolean deleteSystemPackageLI(PackageSetting newPs, 10687 int[] allUserHandles, boolean[] perUserInstalled, 10688 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10689 final boolean applyUserRestrictions 10690 = (allUserHandles != null) && (perUserInstalled != null); 10691 PackageSetting disabledPs = null; 10692 // Confirm if the system package has been updated 10693 // An updated system app can be deleted. This will also have to restore 10694 // the system pkg from system partition 10695 // reader 10696 synchronized (mPackages) { 10697 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10698 } 10699 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10700 + " disabledPs=" + disabledPs); 10701 if (disabledPs == null) { 10702 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10703 return false; 10704 } else if (DEBUG_REMOVE) { 10705 Slog.d(TAG, "Deleting system pkg from data partition"); 10706 } 10707 if (DEBUG_REMOVE) { 10708 if (applyUserRestrictions) { 10709 Slog.d(TAG, "Remembering install states:"); 10710 for (int i = 0; i < allUserHandles.length; i++) { 10711 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10712 } 10713 } 10714 } 10715 // Delete the updated package 10716 outInfo.isRemovedPackageSystemUpdate = true; 10717 if (disabledPs.versionCode < newPs.versionCode) { 10718 // Delete data for downgrades 10719 flags &= ~PackageManager.DELETE_KEEP_DATA; 10720 } else { 10721 // Preserve data by setting flag 10722 flags |= PackageManager.DELETE_KEEP_DATA; 10723 } 10724 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10725 allUserHandles, perUserInstalled, outInfo, writeSettings); 10726 if (!ret) { 10727 return false; 10728 } 10729 // writer 10730 synchronized (mPackages) { 10731 // Reinstate the old system package 10732 mSettings.enableSystemPackageLPw(newPs.name); 10733 // Remove any native libraries from the upgraded package. 10734 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10735 } 10736 // Install the system package 10737 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10738 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10739 if (locationIsPrivileged(disabledPs.codePath)) { 10740 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10741 } 10742 10743 final PackageParser.Package newPkg; 10744 try { 10745 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10746 } catch (PackageManagerException e) { 10747 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10748 return false; 10749 } 10750 10751 // writer 10752 synchronized (mPackages) { 10753 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10754 updatePermissionsLPw(newPkg.packageName, newPkg, 10755 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10756 if (applyUserRestrictions) { 10757 if (DEBUG_REMOVE) { 10758 Slog.d(TAG, "Propagating install state across reinstall"); 10759 } 10760 for (int i = 0; i < allUserHandles.length; i++) { 10761 if (DEBUG_REMOVE) { 10762 Slog.d(TAG, " user " + allUserHandles[i] 10763 + " => " + perUserInstalled[i]); 10764 } 10765 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10766 } 10767 // Regardless of writeSettings we need to ensure that this restriction 10768 // state propagation is persisted 10769 mSettings.writeAllUsersPackageRestrictionsLPr(); 10770 } 10771 // can downgrade to reader here 10772 if (writeSettings) { 10773 mSettings.writeLPr(); 10774 } 10775 } 10776 return true; 10777 } 10778 10779 private boolean deleteInstalledPackageLI(PackageSetting ps, 10780 boolean deleteCodeAndResources, int flags, 10781 int[] allUserHandles, boolean[] perUserInstalled, 10782 PackageRemovedInfo outInfo, boolean writeSettings) { 10783 if (outInfo != null) { 10784 outInfo.uid = ps.appId; 10785 } 10786 10787 // Delete package data from internal structures and also remove data if flag is set 10788 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10789 10790 // Delete application code and resources 10791 if (deleteCodeAndResources && (outInfo != null)) { 10792 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10793 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10794 getAppDexInstructionSets(ps)); 10795 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10796 } 10797 return true; 10798 } 10799 10800 @Override 10801 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10802 int userId) { 10803 mContext.enforceCallingOrSelfPermission( 10804 android.Manifest.permission.DELETE_PACKAGES, null); 10805 synchronized (mPackages) { 10806 PackageSetting ps = mSettings.mPackages.get(packageName); 10807 if (ps == null) { 10808 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10809 return false; 10810 } 10811 if (!ps.getInstalled(userId)) { 10812 // Can't block uninstall for an app that is not installed or enabled. 10813 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10814 return false; 10815 } 10816 ps.setBlockUninstall(blockUninstall, userId); 10817 mSettings.writePackageRestrictionsLPr(userId); 10818 } 10819 return true; 10820 } 10821 10822 @Override 10823 public boolean getBlockUninstallForUser(String packageName, int userId) { 10824 synchronized (mPackages) { 10825 PackageSetting ps = mSettings.mPackages.get(packageName); 10826 if (ps == null) { 10827 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10828 return false; 10829 } 10830 return ps.getBlockUninstall(userId); 10831 } 10832 } 10833 10834 /* 10835 * This method handles package deletion in general 10836 */ 10837 private boolean deletePackageLI(String packageName, UserHandle user, 10838 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10839 int flags, PackageRemovedInfo outInfo, 10840 boolean writeSettings) { 10841 if (packageName == null) { 10842 Slog.w(TAG, "Attempt to delete null packageName."); 10843 return false; 10844 } 10845 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10846 PackageSetting ps; 10847 boolean dataOnly = false; 10848 int removeUser = -1; 10849 int appId = -1; 10850 synchronized (mPackages) { 10851 ps = mSettings.mPackages.get(packageName); 10852 if (ps == null) { 10853 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10854 return false; 10855 } 10856 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10857 && user.getIdentifier() != UserHandle.USER_ALL) { 10858 // The caller is asking that the package only be deleted for a single 10859 // user. To do this, we just mark its uninstalled state and delete 10860 // its data. If this is a system app, we only allow this to happen if 10861 // they have set the special DELETE_SYSTEM_APP which requests different 10862 // semantics than normal for uninstalling system apps. 10863 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10864 ps.setUserState(user.getIdentifier(), 10865 COMPONENT_ENABLED_STATE_DEFAULT, 10866 false, //installed 10867 true, //stopped 10868 true, //notLaunched 10869 false, //hidden 10870 null, null, null, 10871 false // blockUninstall 10872 ); 10873 if (!isSystemApp(ps)) { 10874 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10875 // Other user still have this package installed, so all 10876 // we need to do is clear this user's data and save that 10877 // it is uninstalled. 10878 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10879 removeUser = user.getIdentifier(); 10880 appId = ps.appId; 10881 mSettings.writePackageRestrictionsLPr(removeUser); 10882 } else { 10883 // We need to set it back to 'installed' so the uninstall 10884 // broadcasts will be sent correctly. 10885 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10886 ps.setInstalled(true, user.getIdentifier()); 10887 } 10888 } else { 10889 // This is a system app, so we assume that the 10890 // other users still have this package installed, so all 10891 // we need to do is clear this user's data and save that 10892 // it is uninstalled. 10893 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10894 removeUser = user.getIdentifier(); 10895 appId = ps.appId; 10896 mSettings.writePackageRestrictionsLPr(removeUser); 10897 } 10898 } 10899 } 10900 10901 if (removeUser >= 0) { 10902 // From above, we determined that we are deleting this only 10903 // for a single user. Continue the work here. 10904 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10905 if (outInfo != null) { 10906 outInfo.removedPackage = packageName; 10907 outInfo.removedAppId = appId; 10908 outInfo.removedUsers = new int[] {removeUser}; 10909 } 10910 mInstaller.clearUserData(packageName, removeUser); 10911 removeKeystoreDataIfNeeded(removeUser, appId); 10912 schedulePackageCleaning(packageName, removeUser, false); 10913 return true; 10914 } 10915 10916 if (dataOnly) { 10917 // Delete application data first 10918 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10919 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10920 return true; 10921 } 10922 10923 boolean ret = false; 10924 if (isSystemApp(ps)) { 10925 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10926 // When an updated system application is deleted we delete the existing resources as well and 10927 // fall back to existing code in system partition 10928 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10929 flags, outInfo, writeSettings); 10930 } else { 10931 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10932 // Kill application pre-emptively especially for apps on sd. 10933 killApplication(packageName, ps.appId, "uninstall pkg"); 10934 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10935 allUserHandles, perUserInstalled, 10936 outInfo, writeSettings); 10937 } 10938 10939 return ret; 10940 } 10941 10942 private final class ClearStorageConnection implements ServiceConnection { 10943 IMediaContainerService mContainerService; 10944 10945 @Override 10946 public void onServiceConnected(ComponentName name, IBinder service) { 10947 synchronized (this) { 10948 mContainerService = IMediaContainerService.Stub.asInterface(service); 10949 notifyAll(); 10950 } 10951 } 10952 10953 @Override 10954 public void onServiceDisconnected(ComponentName name) { 10955 } 10956 } 10957 10958 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10959 final boolean mounted; 10960 if (Environment.isExternalStorageEmulated()) { 10961 mounted = true; 10962 } else { 10963 final String status = Environment.getExternalStorageState(); 10964 10965 mounted = status.equals(Environment.MEDIA_MOUNTED) 10966 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10967 } 10968 10969 if (!mounted) { 10970 return; 10971 } 10972 10973 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10974 int[] users; 10975 if (userId == UserHandle.USER_ALL) { 10976 users = sUserManager.getUserIds(); 10977 } else { 10978 users = new int[] { userId }; 10979 } 10980 final ClearStorageConnection conn = new ClearStorageConnection(); 10981 if (mContext.bindServiceAsUser( 10982 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10983 try { 10984 for (int curUser : users) { 10985 long timeout = SystemClock.uptimeMillis() + 5000; 10986 synchronized (conn) { 10987 long now = SystemClock.uptimeMillis(); 10988 while (conn.mContainerService == null && now < timeout) { 10989 try { 10990 conn.wait(timeout - now); 10991 } catch (InterruptedException e) { 10992 } 10993 } 10994 } 10995 if (conn.mContainerService == null) { 10996 return; 10997 } 10998 10999 final UserEnvironment userEnv = new UserEnvironment(curUser); 11000 clearDirectory(conn.mContainerService, 11001 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11002 if (allData) { 11003 clearDirectory(conn.mContainerService, 11004 userEnv.buildExternalStorageAppDataDirs(packageName)); 11005 clearDirectory(conn.mContainerService, 11006 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11007 } 11008 } 11009 } finally { 11010 mContext.unbindService(conn); 11011 } 11012 } 11013 } 11014 11015 @Override 11016 public void clearApplicationUserData(final String packageName, 11017 final IPackageDataObserver observer, final int userId) { 11018 mContext.enforceCallingOrSelfPermission( 11019 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11020 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11021 // Queue up an async operation since the package deletion may take a little while. 11022 mHandler.post(new Runnable() { 11023 public void run() { 11024 mHandler.removeCallbacks(this); 11025 final boolean succeeded; 11026 synchronized (mInstallLock) { 11027 succeeded = clearApplicationUserDataLI(packageName, userId); 11028 } 11029 clearExternalStorageDataSync(packageName, userId, true); 11030 if (succeeded) { 11031 // invoke DeviceStorageMonitor's update method to clear any notifications 11032 DeviceStorageMonitorInternal 11033 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11034 if (dsm != null) { 11035 dsm.checkMemory(); 11036 } 11037 } 11038 if(observer != null) { 11039 try { 11040 observer.onRemoveCompleted(packageName, succeeded); 11041 } catch (RemoteException e) { 11042 Log.i(TAG, "Observer no longer exists."); 11043 } 11044 } //end if observer 11045 } //end run 11046 }); 11047 } 11048 11049 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11050 if (packageName == null) { 11051 Slog.w(TAG, "Attempt to delete null packageName."); 11052 return false; 11053 } 11054 11055 // Try finding details about the requested package 11056 PackageParser.Package pkg; 11057 synchronized (mPackages) { 11058 pkg = mPackages.get(packageName); 11059 if (pkg == null) { 11060 final PackageSetting ps = mSettings.mPackages.get(packageName); 11061 if (ps != null) { 11062 pkg = ps.pkg; 11063 } 11064 } 11065 } 11066 11067 if (pkg == null) { 11068 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11069 } 11070 11071 // Always delete data directories for package, even if we found no other 11072 // record of app. This helps users recover from UID mismatches without 11073 // resorting to a full data wipe. 11074 int retCode = mInstaller.clearUserData(packageName, userId); 11075 if (retCode < 0) { 11076 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11077 return false; 11078 } 11079 11080 if (pkg == null) { 11081 return false; 11082 } 11083 11084 if (pkg != null && pkg.applicationInfo != null) { 11085 final int appId = pkg.applicationInfo.uid; 11086 removeKeystoreDataIfNeeded(userId, appId); 11087 } 11088 11089 // Create a native library symlink only if we have native libraries 11090 // and if the native libraries are 32 bit libraries. We do not provide 11091 // this symlink for 64 bit libraries. 11092 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11093 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11094 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11095 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11096 Slog.w(TAG, "Failed linking native library dir"); 11097 return false; 11098 } 11099 } 11100 11101 return true; 11102 } 11103 11104 /** 11105 * Remove entries from the keystore daemon. Will only remove it if the 11106 * {@code appId} is valid. 11107 */ 11108 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11109 if (appId < 0) { 11110 return; 11111 } 11112 11113 final KeyStore keyStore = KeyStore.getInstance(); 11114 if (keyStore != null) { 11115 if (userId == UserHandle.USER_ALL) { 11116 for (final int individual : sUserManager.getUserIds()) { 11117 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11118 } 11119 } else { 11120 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11121 } 11122 } else { 11123 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11124 } 11125 } 11126 11127 @Override 11128 public void deleteApplicationCacheFiles(final String packageName, 11129 final IPackageDataObserver observer) { 11130 mContext.enforceCallingOrSelfPermission( 11131 android.Manifest.permission.DELETE_CACHE_FILES, null); 11132 // Queue up an async operation since the package deletion may take a little while. 11133 final int userId = UserHandle.getCallingUserId(); 11134 mHandler.post(new Runnable() { 11135 public void run() { 11136 mHandler.removeCallbacks(this); 11137 final boolean succeded; 11138 synchronized (mInstallLock) { 11139 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11140 } 11141 clearExternalStorageDataSync(packageName, userId, false); 11142 if(observer != null) { 11143 try { 11144 observer.onRemoveCompleted(packageName, succeded); 11145 } catch (RemoteException e) { 11146 Log.i(TAG, "Observer no longer exists."); 11147 } 11148 } //end if observer 11149 } //end run 11150 }); 11151 } 11152 11153 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11154 if (packageName == null) { 11155 Slog.w(TAG, "Attempt to delete null packageName."); 11156 return false; 11157 } 11158 PackageParser.Package p; 11159 synchronized (mPackages) { 11160 p = mPackages.get(packageName); 11161 } 11162 if (p == null) { 11163 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11164 return false; 11165 } 11166 final ApplicationInfo applicationInfo = p.applicationInfo; 11167 if (applicationInfo == null) { 11168 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11169 return false; 11170 } 11171 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11172 if (retCode < 0) { 11173 Slog.w(TAG, "Couldn't remove cache files for package: " 11174 + packageName + " u" + userId); 11175 return false; 11176 } 11177 return true; 11178 } 11179 11180 @Override 11181 public void getPackageSizeInfo(final String packageName, int userHandle, 11182 final IPackageStatsObserver observer) { 11183 mContext.enforceCallingOrSelfPermission( 11184 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11185 if (packageName == null) { 11186 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11187 } 11188 11189 PackageStats stats = new PackageStats(packageName, userHandle); 11190 11191 /* 11192 * Queue up an async operation since the package measurement may take a 11193 * little while. 11194 */ 11195 Message msg = mHandler.obtainMessage(INIT_COPY); 11196 msg.obj = new MeasureParams(stats, observer); 11197 mHandler.sendMessage(msg); 11198 } 11199 11200 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11201 PackageStats pStats) { 11202 if (packageName == null) { 11203 Slog.w(TAG, "Attempt to get size of null packageName."); 11204 return false; 11205 } 11206 PackageParser.Package p; 11207 boolean dataOnly = false; 11208 String libDirRoot = null; 11209 String asecPath = null; 11210 PackageSetting ps = null; 11211 synchronized (mPackages) { 11212 p = mPackages.get(packageName); 11213 ps = mSettings.mPackages.get(packageName); 11214 if(p == null) { 11215 dataOnly = true; 11216 if((ps == null) || (ps.pkg == null)) { 11217 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11218 return false; 11219 } 11220 p = ps.pkg; 11221 } 11222 if (ps != null) { 11223 libDirRoot = ps.legacyNativeLibraryPathString; 11224 } 11225 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11226 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11227 if (secureContainerId != null) { 11228 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11229 } 11230 } 11231 } 11232 String publicSrcDir = null; 11233 if(!dataOnly) { 11234 final ApplicationInfo applicationInfo = p.applicationInfo; 11235 if (applicationInfo == null) { 11236 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11237 return false; 11238 } 11239 if (isForwardLocked(p)) { 11240 publicSrcDir = applicationInfo.getBaseResourcePath(); 11241 } 11242 } 11243 // TODO: extend to measure size of split APKs 11244 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11245 // not just the first level. 11246 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11247 // just the primary. 11248 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11249 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11250 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11251 if (res < 0) { 11252 return false; 11253 } 11254 11255 // Fix-up for forward-locked applications in ASEC containers. 11256 if (!isExternal(p)) { 11257 pStats.codeSize += pStats.externalCodeSize; 11258 pStats.externalCodeSize = 0L; 11259 } 11260 11261 return true; 11262 } 11263 11264 11265 @Override 11266 public void addPackageToPreferred(String packageName) { 11267 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11268 } 11269 11270 @Override 11271 public void removePackageFromPreferred(String packageName) { 11272 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11273 } 11274 11275 @Override 11276 public List<PackageInfo> getPreferredPackages(int flags) { 11277 return new ArrayList<PackageInfo>(); 11278 } 11279 11280 private int getUidTargetSdkVersionLockedLPr(int uid) { 11281 Object obj = mSettings.getUserIdLPr(uid); 11282 if (obj instanceof SharedUserSetting) { 11283 final SharedUserSetting sus = (SharedUserSetting) obj; 11284 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11285 final Iterator<PackageSetting> it = sus.packages.iterator(); 11286 while (it.hasNext()) { 11287 final PackageSetting ps = it.next(); 11288 if (ps.pkg != null) { 11289 int v = ps.pkg.applicationInfo.targetSdkVersion; 11290 if (v < vers) vers = v; 11291 } 11292 } 11293 return vers; 11294 } else if (obj instanceof PackageSetting) { 11295 final PackageSetting ps = (PackageSetting) obj; 11296 if (ps.pkg != null) { 11297 return ps.pkg.applicationInfo.targetSdkVersion; 11298 } 11299 } 11300 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11301 } 11302 11303 @Override 11304 public void addPreferredActivity(IntentFilter filter, int match, 11305 ComponentName[] set, ComponentName activity, int userId) { 11306 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11307 "Adding preferred"); 11308 } 11309 11310 private void addPreferredActivityInternal(IntentFilter filter, int match, 11311 ComponentName[] set, ComponentName activity, boolean always, int userId, 11312 String opname) { 11313 // writer 11314 int callingUid = Binder.getCallingUid(); 11315 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11316 if (filter.countActions() == 0) { 11317 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11318 return; 11319 } 11320 synchronized (mPackages) { 11321 if (mContext.checkCallingOrSelfPermission( 11322 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11323 != PackageManager.PERMISSION_GRANTED) { 11324 if (getUidTargetSdkVersionLockedLPr(callingUid) 11325 < Build.VERSION_CODES.FROYO) { 11326 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11327 + callingUid); 11328 return; 11329 } 11330 mContext.enforceCallingOrSelfPermission( 11331 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11332 } 11333 11334 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11335 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11336 + userId + ":"); 11337 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11338 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11339 mSettings.writePackageRestrictionsLPr(userId); 11340 } 11341 } 11342 11343 @Override 11344 public void replacePreferredActivity(IntentFilter filter, int match, 11345 ComponentName[] set, ComponentName activity, int userId) { 11346 if (filter.countActions() != 1) { 11347 throw new IllegalArgumentException( 11348 "replacePreferredActivity expects filter to have only 1 action."); 11349 } 11350 if (filter.countDataAuthorities() != 0 11351 || filter.countDataPaths() != 0 11352 || filter.countDataSchemes() > 1 11353 || filter.countDataTypes() != 0) { 11354 throw new IllegalArgumentException( 11355 "replacePreferredActivity expects filter to have no data authorities, " + 11356 "paths, or types; and at most one scheme."); 11357 } 11358 11359 final int callingUid = Binder.getCallingUid(); 11360 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11361 synchronized (mPackages) { 11362 if (mContext.checkCallingOrSelfPermission( 11363 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11364 != PackageManager.PERMISSION_GRANTED) { 11365 if (getUidTargetSdkVersionLockedLPr(callingUid) 11366 < Build.VERSION_CODES.FROYO) { 11367 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11368 + Binder.getCallingUid()); 11369 return; 11370 } 11371 mContext.enforceCallingOrSelfPermission( 11372 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11373 } 11374 11375 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11376 if (pir != null) { 11377 // Get all of the existing entries that exactly match this filter. 11378 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11379 if (existing != null && existing.size() == 1) { 11380 PreferredActivity cur = existing.get(0); 11381 if (DEBUG_PREFERRED) { 11382 Slog.i(TAG, "Checking replace of preferred:"); 11383 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11384 if (!cur.mPref.mAlways) { 11385 Slog.i(TAG, " -- CUR; not mAlways!"); 11386 } else { 11387 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11388 Slog.i(TAG, " -- CUR: mSet=" 11389 + Arrays.toString(cur.mPref.mSetComponents)); 11390 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11391 Slog.i(TAG, " -- NEW: mMatch=" 11392 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11393 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11394 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11395 } 11396 } 11397 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11398 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11399 && cur.mPref.sameSet(set)) { 11400 // Setting the preferred activity to what it happens to be already 11401 if (DEBUG_PREFERRED) { 11402 Slog.i(TAG, "Replacing with same preferred activity " 11403 + cur.mPref.mShortComponent + " for user " 11404 + userId + ":"); 11405 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11406 } 11407 return; 11408 } 11409 } 11410 11411 if (existing != null) { 11412 if (DEBUG_PREFERRED) { 11413 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11414 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11415 } 11416 for (int i = 0; i < existing.size(); i++) { 11417 PreferredActivity pa = existing.get(i); 11418 if (DEBUG_PREFERRED) { 11419 Slog.i(TAG, "Removing existing preferred activity " 11420 + pa.mPref.mComponent + ":"); 11421 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11422 } 11423 pir.removeFilter(pa); 11424 } 11425 } 11426 } 11427 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11428 "Replacing preferred"); 11429 } 11430 } 11431 11432 @Override 11433 public void clearPackagePreferredActivities(String packageName) { 11434 final int uid = Binder.getCallingUid(); 11435 // writer 11436 synchronized (mPackages) { 11437 PackageParser.Package pkg = mPackages.get(packageName); 11438 if (pkg == null || pkg.applicationInfo.uid != uid) { 11439 if (mContext.checkCallingOrSelfPermission( 11440 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11441 != PackageManager.PERMISSION_GRANTED) { 11442 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11443 < Build.VERSION_CODES.FROYO) { 11444 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11445 + Binder.getCallingUid()); 11446 return; 11447 } 11448 mContext.enforceCallingOrSelfPermission( 11449 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11450 } 11451 } 11452 11453 int user = UserHandle.getCallingUserId(); 11454 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11455 mSettings.writePackageRestrictionsLPr(user); 11456 scheduleWriteSettingsLocked(); 11457 } 11458 } 11459 } 11460 11461 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11462 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11463 ArrayList<PreferredActivity> removed = null; 11464 boolean changed = false; 11465 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11466 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11467 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11468 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11469 continue; 11470 } 11471 Iterator<PreferredActivity> it = pir.filterIterator(); 11472 while (it.hasNext()) { 11473 PreferredActivity pa = it.next(); 11474 // Mark entry for removal only if it matches the package name 11475 // and the entry is of type "always". 11476 if (packageName == null || 11477 (pa.mPref.mComponent.getPackageName().equals(packageName) 11478 && pa.mPref.mAlways)) { 11479 if (removed == null) { 11480 removed = new ArrayList<PreferredActivity>(); 11481 } 11482 removed.add(pa); 11483 } 11484 } 11485 if (removed != null) { 11486 for (int j=0; j<removed.size(); j++) { 11487 PreferredActivity pa = removed.get(j); 11488 pir.removeFilter(pa); 11489 } 11490 changed = true; 11491 } 11492 } 11493 return changed; 11494 } 11495 11496 @Override 11497 public void resetPreferredActivities(int userId) { 11498 /* TODO: Actually use userId. Why is it being passed in? */ 11499 mContext.enforceCallingOrSelfPermission( 11500 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11501 // writer 11502 synchronized (mPackages) { 11503 int user = UserHandle.getCallingUserId(); 11504 clearPackagePreferredActivitiesLPw(null, user); 11505 mSettings.readDefaultPreferredAppsLPw(this, user); 11506 mSettings.writePackageRestrictionsLPr(user); 11507 scheduleWriteSettingsLocked(); 11508 } 11509 } 11510 11511 @Override 11512 public int getPreferredActivities(List<IntentFilter> outFilters, 11513 List<ComponentName> outActivities, String packageName) { 11514 11515 int num = 0; 11516 final int userId = UserHandle.getCallingUserId(); 11517 // reader 11518 synchronized (mPackages) { 11519 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11520 if (pir != null) { 11521 final Iterator<PreferredActivity> it = pir.filterIterator(); 11522 while (it.hasNext()) { 11523 final PreferredActivity pa = it.next(); 11524 if (packageName == null 11525 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11526 && pa.mPref.mAlways)) { 11527 if (outFilters != null) { 11528 outFilters.add(new IntentFilter(pa)); 11529 } 11530 if (outActivities != null) { 11531 outActivities.add(pa.mPref.mComponent); 11532 } 11533 } 11534 } 11535 } 11536 } 11537 11538 return num; 11539 } 11540 11541 @Override 11542 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11543 int userId) { 11544 int callingUid = Binder.getCallingUid(); 11545 if (callingUid != Process.SYSTEM_UID) { 11546 throw new SecurityException( 11547 "addPersistentPreferredActivity can only be run by the system"); 11548 } 11549 if (filter.countActions() == 0) { 11550 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11551 return; 11552 } 11553 synchronized (mPackages) { 11554 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11555 " :"); 11556 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11557 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11558 new PersistentPreferredActivity(filter, activity)); 11559 mSettings.writePackageRestrictionsLPr(userId); 11560 } 11561 } 11562 11563 @Override 11564 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11565 int callingUid = Binder.getCallingUid(); 11566 if (callingUid != Process.SYSTEM_UID) { 11567 throw new SecurityException( 11568 "clearPackagePersistentPreferredActivities can only be run by the system"); 11569 } 11570 ArrayList<PersistentPreferredActivity> removed = null; 11571 boolean changed = false; 11572 synchronized (mPackages) { 11573 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11574 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11575 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11576 .valueAt(i); 11577 if (userId != thisUserId) { 11578 continue; 11579 } 11580 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11581 while (it.hasNext()) { 11582 PersistentPreferredActivity ppa = it.next(); 11583 // Mark entry for removal only if it matches the package name. 11584 if (ppa.mComponent.getPackageName().equals(packageName)) { 11585 if (removed == null) { 11586 removed = new ArrayList<PersistentPreferredActivity>(); 11587 } 11588 removed.add(ppa); 11589 } 11590 } 11591 if (removed != null) { 11592 for (int j=0; j<removed.size(); j++) { 11593 PersistentPreferredActivity ppa = removed.get(j); 11594 ppir.removeFilter(ppa); 11595 } 11596 changed = true; 11597 } 11598 } 11599 11600 if (changed) { 11601 mSettings.writePackageRestrictionsLPr(userId); 11602 } 11603 } 11604 } 11605 11606 @Override 11607 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11608 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11609 mContext.enforceCallingOrSelfPermission( 11610 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11611 int callingUid = Binder.getCallingUid(); 11612 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11613 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11614 if (intentFilter.countActions() == 0) { 11615 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11616 return; 11617 } 11618 synchronized (mPackages) { 11619 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11620 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11621 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11622 mSettings.writePackageRestrictionsLPr(sourceUserId); 11623 } 11624 } 11625 11626 @Override 11627 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11628 int ownerUserId) { 11629 mContext.enforceCallingOrSelfPermission( 11630 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11631 int callingUid = Binder.getCallingUid(); 11632 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11633 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11634 int callingUserId = UserHandle.getUserId(callingUid); 11635 synchronized (mPackages) { 11636 CrossProfileIntentResolver resolver = 11637 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11638 HashSet<CrossProfileIntentFilter> set = 11639 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11640 for (CrossProfileIntentFilter filter : set) { 11641 if (filter.getOwnerPackage().equals(ownerPackage) 11642 && filter.getOwnerUserId() == callingUserId) { 11643 resolver.removeFilter(filter); 11644 } 11645 } 11646 mSettings.writePackageRestrictionsLPr(sourceUserId); 11647 } 11648 } 11649 11650 // Enforcing that callingUid is owning pkg on userId 11651 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11652 // The system owns everything. 11653 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11654 return; 11655 } 11656 int callingUserId = UserHandle.getUserId(callingUid); 11657 if (callingUserId != userId) { 11658 throw new SecurityException("calling uid " + callingUid 11659 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11660 + callingUserId); 11661 } 11662 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11663 if (pi == null) { 11664 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11665 + callingUserId); 11666 } 11667 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11668 throw new SecurityException("Calling uid " + callingUid 11669 + " does not own package " + pkg); 11670 } 11671 } 11672 11673 @Override 11674 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11675 Intent intent = new Intent(Intent.ACTION_MAIN); 11676 intent.addCategory(Intent.CATEGORY_HOME); 11677 11678 final int callingUserId = UserHandle.getCallingUserId(); 11679 List<ResolveInfo> list = queryIntentActivities(intent, null, 11680 PackageManager.GET_META_DATA, callingUserId); 11681 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11682 true, false, false, callingUserId); 11683 11684 allHomeCandidates.clear(); 11685 if (list != null) { 11686 for (ResolveInfo ri : list) { 11687 allHomeCandidates.add(ri); 11688 } 11689 } 11690 return (preferred == null || preferred.activityInfo == null) 11691 ? null 11692 : new ComponentName(preferred.activityInfo.packageName, 11693 preferred.activityInfo.name); 11694 } 11695 11696 @Override 11697 public void setApplicationEnabledSetting(String appPackageName, 11698 int newState, int flags, int userId, String callingPackage) { 11699 if (!sUserManager.exists(userId)) return; 11700 if (callingPackage == null) { 11701 callingPackage = Integer.toString(Binder.getCallingUid()); 11702 } 11703 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11704 } 11705 11706 @Override 11707 public void setComponentEnabledSetting(ComponentName componentName, 11708 int newState, int flags, int userId) { 11709 if (!sUserManager.exists(userId)) return; 11710 setEnabledSetting(componentName.getPackageName(), 11711 componentName.getClassName(), newState, flags, userId, null); 11712 } 11713 11714 private void setEnabledSetting(final String packageName, String className, int newState, 11715 final int flags, int userId, String callingPackage) { 11716 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11717 || newState == COMPONENT_ENABLED_STATE_ENABLED 11718 || newState == COMPONENT_ENABLED_STATE_DISABLED 11719 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11720 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11721 throw new IllegalArgumentException("Invalid new component state: " 11722 + newState); 11723 } 11724 PackageSetting pkgSetting; 11725 final int uid = Binder.getCallingUid(); 11726 final int permission = mContext.checkCallingOrSelfPermission( 11727 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11728 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11729 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11730 boolean sendNow = false; 11731 boolean isApp = (className == null); 11732 String componentName = isApp ? packageName : className; 11733 int packageUid = -1; 11734 ArrayList<String> components; 11735 11736 // writer 11737 synchronized (mPackages) { 11738 pkgSetting = mSettings.mPackages.get(packageName); 11739 if (pkgSetting == null) { 11740 if (className == null) { 11741 throw new IllegalArgumentException( 11742 "Unknown package: " + packageName); 11743 } 11744 throw new IllegalArgumentException( 11745 "Unknown component: " + packageName 11746 + "/" + className); 11747 } 11748 // Allow root and verify that userId is not being specified by a different user 11749 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11750 throw new SecurityException( 11751 "Permission Denial: attempt to change component state from pid=" 11752 + Binder.getCallingPid() 11753 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11754 } 11755 if (className == null) { 11756 // We're dealing with an application/package level state change 11757 if (pkgSetting.getEnabled(userId) == newState) { 11758 // Nothing to do 11759 return; 11760 } 11761 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11762 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11763 // Don't care about who enables an app. 11764 callingPackage = null; 11765 } 11766 pkgSetting.setEnabled(newState, userId, callingPackage); 11767 // pkgSetting.pkg.mSetEnabled = newState; 11768 } else { 11769 // We're dealing with a component level state change 11770 // First, verify that this is a valid class name. 11771 PackageParser.Package pkg = pkgSetting.pkg; 11772 if (pkg == null || !pkg.hasComponentClassName(className)) { 11773 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11774 throw new IllegalArgumentException("Component class " + className 11775 + " does not exist in " + packageName); 11776 } else { 11777 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11778 + className + " does not exist in " + packageName); 11779 } 11780 } 11781 switch (newState) { 11782 case COMPONENT_ENABLED_STATE_ENABLED: 11783 if (!pkgSetting.enableComponentLPw(className, userId)) { 11784 return; 11785 } 11786 break; 11787 case COMPONENT_ENABLED_STATE_DISABLED: 11788 if (!pkgSetting.disableComponentLPw(className, userId)) { 11789 return; 11790 } 11791 break; 11792 case COMPONENT_ENABLED_STATE_DEFAULT: 11793 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11794 return; 11795 } 11796 break; 11797 default: 11798 Slog.e(TAG, "Invalid new component state: " + newState); 11799 return; 11800 } 11801 } 11802 mSettings.writePackageRestrictionsLPr(userId); 11803 components = mPendingBroadcasts.get(userId, packageName); 11804 final boolean newPackage = components == null; 11805 if (newPackage) { 11806 components = new ArrayList<String>(); 11807 } 11808 if (!components.contains(componentName)) { 11809 components.add(componentName); 11810 } 11811 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11812 sendNow = true; 11813 // Purge entry from pending broadcast list if another one exists already 11814 // since we are sending one right away. 11815 mPendingBroadcasts.remove(userId, packageName); 11816 } else { 11817 if (newPackage) { 11818 mPendingBroadcasts.put(userId, packageName, components); 11819 } 11820 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11821 // Schedule a message 11822 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11823 } 11824 } 11825 } 11826 11827 long callingId = Binder.clearCallingIdentity(); 11828 try { 11829 if (sendNow) { 11830 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11831 sendPackageChangedBroadcast(packageName, 11832 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11833 } 11834 } finally { 11835 Binder.restoreCallingIdentity(callingId); 11836 } 11837 } 11838 11839 private void sendPackageChangedBroadcast(String packageName, 11840 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11841 if (DEBUG_INSTALL) 11842 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11843 + componentNames); 11844 Bundle extras = new Bundle(4); 11845 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11846 String nameList[] = new String[componentNames.size()]; 11847 componentNames.toArray(nameList); 11848 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11849 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11850 extras.putInt(Intent.EXTRA_UID, packageUid); 11851 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11852 new int[] {UserHandle.getUserId(packageUid)}); 11853 } 11854 11855 @Override 11856 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11857 if (!sUserManager.exists(userId)) return; 11858 final int uid = Binder.getCallingUid(); 11859 final int permission = mContext.checkCallingOrSelfPermission( 11860 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11861 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11862 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 11863 // writer 11864 synchronized (mPackages) { 11865 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11866 uid, userId)) { 11867 scheduleWritePackageRestrictionsLocked(userId); 11868 } 11869 } 11870 } 11871 11872 @Override 11873 public String getInstallerPackageName(String packageName) { 11874 // reader 11875 synchronized (mPackages) { 11876 return mSettings.getInstallerPackageNameLPr(packageName); 11877 } 11878 } 11879 11880 @Override 11881 public int getApplicationEnabledSetting(String packageName, int userId) { 11882 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11883 int uid = Binder.getCallingUid(); 11884 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 11885 // reader 11886 synchronized (mPackages) { 11887 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11888 } 11889 } 11890 11891 @Override 11892 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11893 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11894 int uid = Binder.getCallingUid(); 11895 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 11896 // reader 11897 synchronized (mPackages) { 11898 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11899 } 11900 } 11901 11902 @Override 11903 public void enterSafeMode() { 11904 enforceSystemOrRoot("Only the system can request entering safe mode"); 11905 11906 if (!mSystemReady) { 11907 mSafeMode = true; 11908 } 11909 } 11910 11911 @Override 11912 public void systemReady() { 11913 mSystemReady = true; 11914 11915 // Read the compatibilty setting when the system is ready. 11916 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11917 mContext.getContentResolver(), 11918 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11919 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11920 if (DEBUG_SETTINGS) { 11921 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11922 } 11923 11924 synchronized (mPackages) { 11925 // Verify that all of the preferred activity components actually 11926 // exist. It is possible for applications to be updated and at 11927 // that point remove a previously declared activity component that 11928 // had been set as a preferred activity. We try to clean this up 11929 // the next time we encounter that preferred activity, but it is 11930 // possible for the user flow to never be able to return to that 11931 // situation so here we do a sanity check to make sure we haven't 11932 // left any junk around. 11933 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11934 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11935 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11936 removed.clear(); 11937 for (PreferredActivity pa : pir.filterSet()) { 11938 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11939 removed.add(pa); 11940 } 11941 } 11942 if (removed.size() > 0) { 11943 for (int r=0; r<removed.size(); r++) { 11944 PreferredActivity pa = removed.get(r); 11945 Slog.w(TAG, "Removing dangling preferred activity: " 11946 + pa.mPref.mComponent); 11947 pir.removeFilter(pa); 11948 } 11949 mSettings.writePackageRestrictionsLPr( 11950 mSettings.mPreferredActivities.keyAt(i)); 11951 } 11952 } 11953 } 11954 sUserManager.systemReady(); 11955 11956 // Kick off any messages waiting for system ready 11957 if (mPostSystemReadyMessages != null) { 11958 for (Message msg : mPostSystemReadyMessages) { 11959 msg.sendToTarget(); 11960 } 11961 mPostSystemReadyMessages = null; 11962 } 11963 } 11964 11965 @Override 11966 public boolean isSafeMode() { 11967 return mSafeMode; 11968 } 11969 11970 @Override 11971 public boolean hasSystemUidErrors() { 11972 return mHasSystemUidErrors; 11973 } 11974 11975 static String arrayToString(int[] array) { 11976 StringBuffer buf = new StringBuffer(128); 11977 buf.append('['); 11978 if (array != null) { 11979 for (int i=0; i<array.length; i++) { 11980 if (i > 0) buf.append(", "); 11981 buf.append(array[i]); 11982 } 11983 } 11984 buf.append(']'); 11985 return buf.toString(); 11986 } 11987 11988 static class DumpState { 11989 public static final int DUMP_LIBS = 1 << 0; 11990 public static final int DUMP_FEATURES = 1 << 1; 11991 public static final int DUMP_RESOLVERS = 1 << 2; 11992 public static final int DUMP_PERMISSIONS = 1 << 3; 11993 public static final int DUMP_PACKAGES = 1 << 4; 11994 public static final int DUMP_SHARED_USERS = 1 << 5; 11995 public static final int DUMP_MESSAGES = 1 << 6; 11996 public static final int DUMP_PROVIDERS = 1 << 7; 11997 public static final int DUMP_VERIFIERS = 1 << 8; 11998 public static final int DUMP_PREFERRED = 1 << 9; 11999 public static final int DUMP_PREFERRED_XML = 1 << 10; 12000 public static final int DUMP_KEYSETS = 1 << 11; 12001 public static final int DUMP_VERSION = 1 << 12; 12002 public static final int DUMP_INSTALLS = 1 << 13; 12003 12004 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12005 12006 private int mTypes; 12007 12008 private int mOptions; 12009 12010 private boolean mTitlePrinted; 12011 12012 private SharedUserSetting mSharedUser; 12013 12014 public boolean isDumping(int type) { 12015 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12016 return true; 12017 } 12018 12019 return (mTypes & type) != 0; 12020 } 12021 12022 public void setDump(int type) { 12023 mTypes |= type; 12024 } 12025 12026 public boolean isOptionEnabled(int option) { 12027 return (mOptions & option) != 0; 12028 } 12029 12030 public void setOptionEnabled(int option) { 12031 mOptions |= option; 12032 } 12033 12034 public boolean onTitlePrinted() { 12035 final boolean printed = mTitlePrinted; 12036 mTitlePrinted = true; 12037 return printed; 12038 } 12039 12040 public boolean getTitlePrinted() { 12041 return mTitlePrinted; 12042 } 12043 12044 public void setTitlePrinted(boolean enabled) { 12045 mTitlePrinted = enabled; 12046 } 12047 12048 public SharedUserSetting getSharedUser() { 12049 return mSharedUser; 12050 } 12051 12052 public void setSharedUser(SharedUserSetting user) { 12053 mSharedUser = user; 12054 } 12055 } 12056 12057 @Override 12058 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12059 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12060 != PackageManager.PERMISSION_GRANTED) { 12061 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12062 + Binder.getCallingPid() 12063 + ", uid=" + Binder.getCallingUid() 12064 + " without permission " 12065 + android.Manifest.permission.DUMP); 12066 return; 12067 } 12068 12069 DumpState dumpState = new DumpState(); 12070 boolean fullPreferred = false; 12071 boolean checkin = false; 12072 12073 String packageName = null; 12074 12075 int opti = 0; 12076 while (opti < args.length) { 12077 String opt = args[opti]; 12078 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12079 break; 12080 } 12081 opti++; 12082 if ("-a".equals(opt)) { 12083 // Right now we only know how to print all. 12084 } else if ("-h".equals(opt)) { 12085 pw.println("Package manager dump options:"); 12086 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12087 pw.println(" --checkin: dump for a checkin"); 12088 pw.println(" -f: print details of intent filters"); 12089 pw.println(" -h: print this help"); 12090 pw.println(" cmd may be one of:"); 12091 pw.println(" l[ibraries]: list known shared libraries"); 12092 pw.println(" f[ibraries]: list device features"); 12093 pw.println(" k[eysets]: print known keysets"); 12094 pw.println(" r[esolvers]: dump intent resolvers"); 12095 pw.println(" perm[issions]: dump permissions"); 12096 pw.println(" pref[erred]: print preferred package settings"); 12097 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12098 pw.println(" prov[iders]: dump content providers"); 12099 pw.println(" p[ackages]: dump installed packages"); 12100 pw.println(" s[hared-users]: dump shared user IDs"); 12101 pw.println(" m[essages]: print collected runtime messages"); 12102 pw.println(" v[erifiers]: print package verifier info"); 12103 pw.println(" version: print database version info"); 12104 pw.println(" write: write current settings now"); 12105 pw.println(" <package.name>: info about given package"); 12106 pw.println(" installs: details about install sessions"); 12107 return; 12108 } else if ("--checkin".equals(opt)) { 12109 checkin = true; 12110 } else if ("-f".equals(opt)) { 12111 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12112 } else { 12113 pw.println("Unknown argument: " + opt + "; use -h for help"); 12114 } 12115 } 12116 12117 // Is the caller requesting to dump a particular piece of data? 12118 if (opti < args.length) { 12119 String cmd = args[opti]; 12120 opti++; 12121 // Is this a package name? 12122 if ("android".equals(cmd) || cmd.contains(".")) { 12123 packageName = cmd; 12124 // When dumping a single package, we always dump all of its 12125 // filter information since the amount of data will be reasonable. 12126 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12127 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12128 dumpState.setDump(DumpState.DUMP_LIBS); 12129 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12130 dumpState.setDump(DumpState.DUMP_FEATURES); 12131 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12132 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12133 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12134 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12135 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12136 dumpState.setDump(DumpState.DUMP_PREFERRED); 12137 } else if ("preferred-xml".equals(cmd)) { 12138 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12139 if (opti < args.length && "--full".equals(args[opti])) { 12140 fullPreferred = true; 12141 opti++; 12142 } 12143 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12144 dumpState.setDump(DumpState.DUMP_PACKAGES); 12145 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12146 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12147 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12148 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12149 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12150 dumpState.setDump(DumpState.DUMP_MESSAGES); 12151 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12152 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12153 } else if ("version".equals(cmd)) { 12154 dumpState.setDump(DumpState.DUMP_VERSION); 12155 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12156 dumpState.setDump(DumpState.DUMP_KEYSETS); 12157 } else if ("installs".equals(cmd)) { 12158 dumpState.setDump(DumpState.DUMP_INSTALLS); 12159 } else if ("write".equals(cmd)) { 12160 synchronized (mPackages) { 12161 mSettings.writeLPr(); 12162 pw.println("Settings written."); 12163 return; 12164 } 12165 } 12166 } 12167 12168 if (checkin) { 12169 pw.println("vers,1"); 12170 } 12171 12172 // reader 12173 synchronized (mPackages) { 12174 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12175 if (!checkin) { 12176 if (dumpState.onTitlePrinted()) 12177 pw.println(); 12178 pw.println("Database versions:"); 12179 pw.print(" SDK Version:"); 12180 pw.print(" internal="); 12181 pw.print(mSettings.mInternalSdkPlatform); 12182 pw.print(" external="); 12183 pw.println(mSettings.mExternalSdkPlatform); 12184 pw.print(" DB Version:"); 12185 pw.print(" internal="); 12186 pw.print(mSettings.mInternalDatabaseVersion); 12187 pw.print(" external="); 12188 pw.println(mSettings.mExternalDatabaseVersion); 12189 } 12190 } 12191 12192 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12193 if (!checkin) { 12194 if (dumpState.onTitlePrinted()) 12195 pw.println(); 12196 pw.println("Verifiers:"); 12197 pw.print(" Required: "); 12198 pw.print(mRequiredVerifierPackage); 12199 pw.print(" (uid="); 12200 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12201 pw.println(")"); 12202 } else if (mRequiredVerifierPackage != null) { 12203 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12204 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12205 } 12206 } 12207 12208 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12209 boolean printedHeader = false; 12210 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12211 while (it.hasNext()) { 12212 String name = it.next(); 12213 SharedLibraryEntry ent = mSharedLibraries.get(name); 12214 if (!checkin) { 12215 if (!printedHeader) { 12216 if (dumpState.onTitlePrinted()) 12217 pw.println(); 12218 pw.println("Libraries:"); 12219 printedHeader = true; 12220 } 12221 pw.print(" "); 12222 } else { 12223 pw.print("lib,"); 12224 } 12225 pw.print(name); 12226 if (!checkin) { 12227 pw.print(" -> "); 12228 } 12229 if (ent.path != null) { 12230 if (!checkin) { 12231 pw.print("(jar) "); 12232 pw.print(ent.path); 12233 } else { 12234 pw.print(",jar,"); 12235 pw.print(ent.path); 12236 } 12237 } else { 12238 if (!checkin) { 12239 pw.print("(apk) "); 12240 pw.print(ent.apk); 12241 } else { 12242 pw.print(",apk,"); 12243 pw.print(ent.apk); 12244 } 12245 } 12246 pw.println(); 12247 } 12248 } 12249 12250 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12251 if (dumpState.onTitlePrinted()) 12252 pw.println(); 12253 if (!checkin) { 12254 pw.println("Features:"); 12255 } 12256 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12257 while (it.hasNext()) { 12258 String name = it.next(); 12259 if (!checkin) { 12260 pw.print(" "); 12261 } else { 12262 pw.print("feat,"); 12263 } 12264 pw.println(name); 12265 } 12266 } 12267 12268 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12269 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12270 : "Activity Resolver Table:", " ", packageName, 12271 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12272 dumpState.setTitlePrinted(true); 12273 } 12274 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12275 : "Receiver Resolver Table:", " ", packageName, 12276 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12277 dumpState.setTitlePrinted(true); 12278 } 12279 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12280 : "Service Resolver Table:", " ", packageName, 12281 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12282 dumpState.setTitlePrinted(true); 12283 } 12284 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12285 : "Provider Resolver Table:", " ", packageName, 12286 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12287 dumpState.setTitlePrinted(true); 12288 } 12289 } 12290 12291 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12292 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12293 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12294 int user = mSettings.mPreferredActivities.keyAt(i); 12295 if (pir.dump(pw, 12296 dumpState.getTitlePrinted() 12297 ? "\nPreferred Activities User " + user + ":" 12298 : "Preferred Activities User " + user + ":", " ", 12299 packageName, true)) { 12300 dumpState.setTitlePrinted(true); 12301 } 12302 } 12303 } 12304 12305 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12306 pw.flush(); 12307 FileOutputStream fout = new FileOutputStream(fd); 12308 BufferedOutputStream str = new BufferedOutputStream(fout); 12309 XmlSerializer serializer = new FastXmlSerializer(); 12310 try { 12311 serializer.setOutput(str, "utf-8"); 12312 serializer.startDocument(null, true); 12313 serializer.setFeature( 12314 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12315 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12316 serializer.endDocument(); 12317 serializer.flush(); 12318 } catch (IllegalArgumentException e) { 12319 pw.println("Failed writing: " + e); 12320 } catch (IllegalStateException e) { 12321 pw.println("Failed writing: " + e); 12322 } catch (IOException e) { 12323 pw.println("Failed writing: " + e); 12324 } 12325 } 12326 12327 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12328 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12329 if (packageName == null) { 12330 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12331 if (iperm == 0) { 12332 if (dumpState.onTitlePrinted()) 12333 pw.println(); 12334 pw.println("AppOp Permissions:"); 12335 } 12336 pw.print(" AppOp Permission "); 12337 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12338 pw.println(":"); 12339 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12340 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12341 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12342 } 12343 } 12344 } 12345 } 12346 12347 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12348 boolean printedSomething = false; 12349 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12350 if (packageName != null && !packageName.equals(p.info.packageName)) { 12351 continue; 12352 } 12353 if (!printedSomething) { 12354 if (dumpState.onTitlePrinted()) 12355 pw.println(); 12356 pw.println("Registered ContentProviders:"); 12357 printedSomething = true; 12358 } 12359 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12360 pw.print(" "); pw.println(p.toString()); 12361 } 12362 printedSomething = false; 12363 for (Map.Entry<String, PackageParser.Provider> entry : 12364 mProvidersByAuthority.entrySet()) { 12365 PackageParser.Provider p = entry.getValue(); 12366 if (packageName != null && !packageName.equals(p.info.packageName)) { 12367 continue; 12368 } 12369 if (!printedSomething) { 12370 if (dumpState.onTitlePrinted()) 12371 pw.println(); 12372 pw.println("ContentProvider Authorities:"); 12373 printedSomething = true; 12374 } 12375 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12376 pw.print(" "); pw.println(p.toString()); 12377 if (p.info != null && p.info.applicationInfo != null) { 12378 final String appInfo = p.info.applicationInfo.toString(); 12379 pw.print(" applicationInfo="); pw.println(appInfo); 12380 } 12381 } 12382 } 12383 12384 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12385 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12386 } 12387 12388 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12389 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12390 } 12391 12392 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12393 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12394 } 12395 12396 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12397 // XXX should handle packageName != null by dumping only install data that 12398 // the given package is involved with. 12399 if (dumpState.onTitlePrinted()) pw.println(); 12400 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12401 } 12402 12403 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12404 if (dumpState.onTitlePrinted()) pw.println(); 12405 mSettings.dumpReadMessagesLPr(pw, dumpState); 12406 12407 pw.println(); 12408 pw.println("Package warning messages:"); 12409 final File fname = getSettingsProblemFile(); 12410 FileInputStream in = null; 12411 try { 12412 in = new FileInputStream(fname); 12413 final int avail = in.available(); 12414 final byte[] data = new byte[avail]; 12415 in.read(data); 12416 pw.print(new String(data)); 12417 } catch (FileNotFoundException e) { 12418 } catch (IOException e) { 12419 } finally { 12420 if (in != null) { 12421 try { 12422 in.close(); 12423 } catch (IOException e) { 12424 } 12425 } 12426 } 12427 } 12428 } 12429 } 12430 12431 // ------- apps on sdcard specific code ------- 12432 static final boolean DEBUG_SD_INSTALL = false; 12433 12434 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12435 12436 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12437 12438 private boolean mMediaMounted = false; 12439 12440 static String getEncryptKey() { 12441 try { 12442 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12443 SD_ENCRYPTION_KEYSTORE_NAME); 12444 if (sdEncKey == null) { 12445 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12446 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12447 if (sdEncKey == null) { 12448 Slog.e(TAG, "Failed to create encryption keys"); 12449 return null; 12450 } 12451 } 12452 return sdEncKey; 12453 } catch (NoSuchAlgorithmException nsae) { 12454 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12455 return null; 12456 } catch (IOException ioe) { 12457 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12458 return null; 12459 } 12460 } 12461 12462 /* 12463 * Update media status on PackageManager. 12464 */ 12465 @Override 12466 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12467 int callingUid = Binder.getCallingUid(); 12468 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12469 throw new SecurityException("Media status can only be updated by the system"); 12470 } 12471 // reader; this apparently protects mMediaMounted, but should probably 12472 // be a different lock in that case. 12473 synchronized (mPackages) { 12474 Log.i(TAG, "Updating external media status from " 12475 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12476 + (mediaStatus ? "mounted" : "unmounted")); 12477 if (DEBUG_SD_INSTALL) 12478 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12479 + ", mMediaMounted=" + mMediaMounted); 12480 if (mediaStatus == mMediaMounted) { 12481 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12482 : 0, -1); 12483 mHandler.sendMessage(msg); 12484 return; 12485 } 12486 mMediaMounted = mediaStatus; 12487 } 12488 // Queue up an async operation since the package installation may take a 12489 // little while. 12490 mHandler.post(new Runnable() { 12491 public void run() { 12492 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12493 } 12494 }); 12495 } 12496 12497 /** 12498 * Called by MountService when the initial ASECs to scan are available. 12499 * Should block until all the ASEC containers are finished being scanned. 12500 */ 12501 public void scanAvailableAsecs() { 12502 updateExternalMediaStatusInner(true, false, false); 12503 if (mShouldRestoreconData) { 12504 SELinuxMMAC.setRestoreconDone(); 12505 mShouldRestoreconData = false; 12506 } 12507 } 12508 12509 /* 12510 * Collect information of applications on external media, map them against 12511 * existing containers and update information based on current mount status. 12512 * Please note that we always have to report status if reportStatus has been 12513 * set to true especially when unloading packages. 12514 */ 12515 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12516 boolean externalStorage) { 12517 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12518 int[] uidArr = EmptyArray.INT; 12519 12520 final String[] list = PackageHelper.getSecureContainerList(); 12521 if (ArrayUtils.isEmpty(list)) { 12522 Log.i(TAG, "No secure containers found"); 12523 } else { 12524 // Process list of secure containers and categorize them 12525 // as active or stale based on their package internal state. 12526 12527 // reader 12528 synchronized (mPackages) { 12529 for (String cid : list) { 12530 // Leave stages untouched for now; installer service owns them 12531 if (PackageInstallerService.isStageName(cid)) continue; 12532 12533 if (DEBUG_SD_INSTALL) 12534 Log.i(TAG, "Processing container " + cid); 12535 String pkgName = getAsecPackageName(cid); 12536 if (pkgName == null) { 12537 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12538 continue; 12539 } 12540 if (DEBUG_SD_INSTALL) 12541 Log.i(TAG, "Looking for pkg : " + pkgName); 12542 12543 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12544 if (ps == null) { 12545 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12546 continue; 12547 } 12548 12549 /* 12550 * Skip packages that are not external if we're unmounting 12551 * external storage. 12552 */ 12553 if (externalStorage && !isMounted && !isExternal(ps)) { 12554 continue; 12555 } 12556 12557 final AsecInstallArgs args = new AsecInstallArgs(cid, 12558 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12559 // The package status is changed only if the code path 12560 // matches between settings and the container id. 12561 if (ps.codePathString != null 12562 && ps.codePathString.startsWith(args.getCodePath())) { 12563 if (DEBUG_SD_INSTALL) { 12564 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12565 + " at code path: " + ps.codePathString); 12566 } 12567 12568 // We do have a valid package installed on sdcard 12569 processCids.put(args, ps.codePathString); 12570 final int uid = ps.appId; 12571 if (uid != -1) { 12572 uidArr = ArrayUtils.appendInt(uidArr, uid); 12573 } 12574 } else { 12575 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12576 + ps.codePathString); 12577 } 12578 } 12579 } 12580 12581 Arrays.sort(uidArr); 12582 } 12583 12584 // Process packages with valid entries. 12585 if (isMounted) { 12586 if (DEBUG_SD_INSTALL) 12587 Log.i(TAG, "Loading packages"); 12588 loadMediaPackages(processCids, uidArr); 12589 startCleaningPackages(); 12590 mInstallerService.onSecureContainersAvailable(); 12591 } else { 12592 if (DEBUG_SD_INSTALL) 12593 Log.i(TAG, "Unloading packages"); 12594 unloadMediaPackages(processCids, uidArr, reportStatus); 12595 } 12596 } 12597 12598 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12599 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12600 int size = pkgList.size(); 12601 if (size > 0) { 12602 // Send broadcasts here 12603 Bundle extras = new Bundle(); 12604 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12605 .toArray(new String[size])); 12606 if (uidArr != null) { 12607 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12608 } 12609 if (replacing) { 12610 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12611 } 12612 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12613 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12614 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12615 } 12616 } 12617 12618 /* 12619 * Look at potentially valid container ids from processCids If package 12620 * information doesn't match the one on record or package scanning fails, 12621 * the cid is added to list of removeCids. We currently don't delete stale 12622 * containers. 12623 */ 12624 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12625 ArrayList<String> pkgList = new ArrayList<String>(); 12626 Set<AsecInstallArgs> keys = processCids.keySet(); 12627 12628 for (AsecInstallArgs args : keys) { 12629 String codePath = processCids.get(args); 12630 if (DEBUG_SD_INSTALL) 12631 Log.i(TAG, "Loading container : " + args.cid); 12632 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12633 try { 12634 // Make sure there are no container errors first. 12635 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12636 Slog.e(TAG, "Failed to mount cid : " + args.cid 12637 + " when installing from sdcard"); 12638 continue; 12639 } 12640 // Check code path here. 12641 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12642 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12643 + " does not match one in settings " + codePath); 12644 continue; 12645 } 12646 // Parse package 12647 int parseFlags = mDefParseFlags; 12648 if (args.isExternal()) { 12649 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12650 } 12651 if (args.isFwdLocked()) { 12652 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12653 } 12654 12655 synchronized (mInstallLock) { 12656 PackageParser.Package pkg = null; 12657 try { 12658 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12659 } catch (PackageManagerException e) { 12660 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12661 } 12662 // Scan the package 12663 if (pkg != null) { 12664 /* 12665 * TODO why is the lock being held? doPostInstall is 12666 * called in other places without the lock. This needs 12667 * to be straightened out. 12668 */ 12669 // writer 12670 synchronized (mPackages) { 12671 retCode = PackageManager.INSTALL_SUCCEEDED; 12672 pkgList.add(pkg.packageName); 12673 // Post process args 12674 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12675 pkg.applicationInfo.uid); 12676 } 12677 } else { 12678 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12679 } 12680 } 12681 12682 } finally { 12683 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12684 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12685 } 12686 } 12687 } 12688 // writer 12689 synchronized (mPackages) { 12690 // If the platform SDK has changed since the last time we booted, 12691 // we need to re-grant app permission to catch any new ones that 12692 // appear. This is really a hack, and means that apps can in some 12693 // cases get permissions that the user didn't initially explicitly 12694 // allow... it would be nice to have some better way to handle 12695 // this situation. 12696 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12697 if (regrantPermissions) 12698 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12699 + mSdkVersion + "; regranting permissions for external storage"); 12700 mSettings.mExternalSdkPlatform = mSdkVersion; 12701 12702 // Make sure group IDs have been assigned, and any permission 12703 // changes in other apps are accounted for 12704 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12705 | (regrantPermissions 12706 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12707 : 0)); 12708 12709 mSettings.updateExternalDatabaseVersion(); 12710 12711 // can downgrade to reader 12712 // Persist settings 12713 mSettings.writeLPr(); 12714 } 12715 // Send a broadcast to let everyone know we are done processing 12716 if (pkgList.size() > 0) { 12717 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12718 } 12719 } 12720 12721 /* 12722 * Utility method to unload a list of specified containers 12723 */ 12724 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12725 // Just unmount all valid containers. 12726 for (AsecInstallArgs arg : cidArgs) { 12727 synchronized (mInstallLock) { 12728 arg.doPostDeleteLI(false); 12729 } 12730 } 12731 } 12732 12733 /* 12734 * Unload packages mounted on external media. This involves deleting package 12735 * data from internal structures, sending broadcasts about diabled packages, 12736 * gc'ing to free up references, unmounting all secure containers 12737 * corresponding to packages on external media, and posting a 12738 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12739 * that we always have to post this message if status has been requested no 12740 * matter what. 12741 */ 12742 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12743 final boolean reportStatus) { 12744 if (DEBUG_SD_INSTALL) 12745 Log.i(TAG, "unloading media packages"); 12746 ArrayList<String> pkgList = new ArrayList<String>(); 12747 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12748 final Set<AsecInstallArgs> keys = processCids.keySet(); 12749 for (AsecInstallArgs args : keys) { 12750 String pkgName = args.getPackageName(); 12751 if (DEBUG_SD_INSTALL) 12752 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12753 // Delete package internally 12754 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12755 synchronized (mInstallLock) { 12756 boolean res = deletePackageLI(pkgName, null, false, null, null, 12757 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12758 if (res) { 12759 pkgList.add(pkgName); 12760 } else { 12761 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12762 failedList.add(args); 12763 } 12764 } 12765 } 12766 12767 // reader 12768 synchronized (mPackages) { 12769 // We didn't update the settings after removing each package; 12770 // write them now for all packages. 12771 mSettings.writeLPr(); 12772 } 12773 12774 // We have to absolutely send UPDATED_MEDIA_STATUS only 12775 // after confirming that all the receivers processed the ordered 12776 // broadcast when packages get disabled, force a gc to clean things up. 12777 // and unload all the containers. 12778 if (pkgList.size() > 0) { 12779 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12780 new IIntentReceiver.Stub() { 12781 public void performReceive(Intent intent, int resultCode, String data, 12782 Bundle extras, boolean ordered, boolean sticky, 12783 int sendingUser) throws RemoteException { 12784 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12785 reportStatus ? 1 : 0, 1, keys); 12786 mHandler.sendMessage(msg); 12787 } 12788 }); 12789 } else { 12790 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12791 keys); 12792 mHandler.sendMessage(msg); 12793 } 12794 } 12795 12796 /** Binder call */ 12797 @Override 12798 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12799 final int flags) { 12800 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12801 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12802 int returnCode = PackageManager.MOVE_SUCCEEDED; 12803 int currInstallFlags = 0; 12804 int newInstallFlags = 0; 12805 12806 File codeFile = null; 12807 String installerPackageName = null; 12808 String packageAbiOverride = null; 12809 12810 // reader 12811 synchronized (mPackages) { 12812 final PackageParser.Package pkg = mPackages.get(packageName); 12813 final PackageSetting ps = mSettings.mPackages.get(packageName); 12814 if (pkg == null || ps == null) { 12815 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12816 } else { 12817 // Disable moving fwd locked apps and system packages 12818 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12819 Slog.w(TAG, "Cannot move system application"); 12820 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12821 } else if (pkg.mOperationPending) { 12822 Slog.w(TAG, "Attempt to move package which has pending operations"); 12823 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12824 } else { 12825 // Find install location first 12826 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12827 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12828 Slog.w(TAG, "Ambigous flags specified for move location."); 12829 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12830 } else { 12831 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12832 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 12833 currInstallFlags = isExternal(pkg) 12834 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 12835 12836 if (newInstallFlags == currInstallFlags) { 12837 Slog.w(TAG, "No move required. Trying to move to same location"); 12838 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12839 } else { 12840 if (isForwardLocked(pkg)) { 12841 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12842 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12843 } 12844 } 12845 } 12846 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12847 pkg.mOperationPending = true; 12848 } 12849 } 12850 12851 codeFile = new File(pkg.codePath); 12852 installerPackageName = ps.installerPackageName; 12853 packageAbiOverride = ps.cpuAbiOverrideString; 12854 } 12855 } 12856 12857 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12858 try { 12859 observer.packageMoved(packageName, returnCode); 12860 } catch (RemoteException ignored) { 12861 } 12862 return; 12863 } 12864 12865 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 12866 @Override 12867 public void onUserActionRequired(Intent intent) throws RemoteException { 12868 throw new IllegalStateException(); 12869 } 12870 12871 @Override 12872 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 12873 Bundle extras) throws RemoteException { 12874 Slog.d(TAG, "Install result for move: " 12875 + PackageManager.installStatusToString(returnCode, msg)); 12876 12877 // We usually have a new package now after the install, but if 12878 // we failed we need to clear the pending flag on the original 12879 // package object. 12880 synchronized (mPackages) { 12881 final PackageParser.Package pkg = mPackages.get(packageName); 12882 if (pkg != null) { 12883 pkg.mOperationPending = false; 12884 } 12885 } 12886 12887 final int status = PackageManager.installStatusToPublicStatus(returnCode); 12888 switch (status) { 12889 case PackageInstaller.STATUS_SUCCESS: 12890 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 12891 break; 12892 case PackageInstaller.STATUS_FAILURE_STORAGE: 12893 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 12894 break; 12895 default: 12896 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 12897 break; 12898 } 12899 } 12900 }; 12901 12902 // Treat a move like reinstalling an existing app, which ensures that we 12903 // process everythign uniformly, like unpacking native libraries. 12904 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 12905 12906 final Message msg = mHandler.obtainMessage(INIT_COPY); 12907 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 12908 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 12909 installerPackageName, null, user, packageAbiOverride); 12910 mHandler.sendMessage(msg); 12911 } 12912 12913 @Override 12914 public boolean setInstallLocation(int loc) { 12915 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12916 null); 12917 if (getInstallLocation() == loc) { 12918 return true; 12919 } 12920 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12921 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12922 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12923 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12924 return true; 12925 } 12926 return false; 12927 } 12928 12929 @Override 12930 public int getInstallLocation() { 12931 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12932 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12933 PackageHelper.APP_INSTALL_AUTO); 12934 } 12935 12936 /** Called by UserManagerService */ 12937 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 12938 mDirtyUsers.remove(userHandle); 12939 mSettings.removeUserLPw(userHandle); 12940 mPendingBroadcasts.remove(userHandle); 12941 if (mInstaller != null) { 12942 // Technically, we shouldn't be doing this with the package lock 12943 // held. However, this is very rare, and there is already so much 12944 // other disk I/O going on, that we'll let it slide for now. 12945 mInstaller.removeUserDataDirs(userHandle); 12946 } 12947 mUserNeedsBadging.delete(userHandle); 12948 removeUnusedPackagesLILPw(userManager, userHandle); 12949 } 12950 12951 /** 12952 * We're removing userHandle and would like to remove any downloaded packages 12953 * that are no longer in use by any other user. 12954 * @param userHandle the user being removed 12955 */ 12956 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 12957 final boolean DEBUG_CLEAN_APKS = false; 12958 int [] users = userManager.getUserIdsLPr(); 12959 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 12960 while (psit.hasNext()) { 12961 PackageSetting ps = psit.next(); 12962 if (ps.pkg == null) { 12963 continue; 12964 } 12965 final String packageName = ps.pkg.packageName; 12966 // Skip over if system app 12967 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12968 continue; 12969 } 12970 if (DEBUG_CLEAN_APKS) { 12971 Slog.i(TAG, "Checking package " + packageName); 12972 } 12973 boolean keep = false; 12974 for (int i = 0; i < users.length; i++) { 12975 if (users[i] != userHandle && ps.getInstalled(users[i])) { 12976 keep = true; 12977 if (DEBUG_CLEAN_APKS) { 12978 Slog.i(TAG, " Keeping package " + packageName + " for user " 12979 + users[i]); 12980 } 12981 break; 12982 } 12983 } 12984 if (!keep) { 12985 if (DEBUG_CLEAN_APKS) { 12986 Slog.i(TAG, " Removing package " + packageName); 12987 } 12988 mHandler.post(new Runnable() { 12989 public void run() { 12990 deletePackageX(packageName, userHandle, 0); 12991 } //end run 12992 }); 12993 } 12994 } 12995 } 12996 12997 /** Called by UserManagerService */ 12998 void createNewUserLILPw(int userHandle, File path) { 12999 if (mInstaller != null) { 13000 mInstaller.createUserConfig(userHandle); 13001 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13002 } 13003 } 13004 13005 @Override 13006 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13007 mContext.enforceCallingOrSelfPermission( 13008 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13009 "Only package verification agents can read the verifier device identity"); 13010 13011 synchronized (mPackages) { 13012 return mSettings.getVerifierDeviceIdentityLPw(); 13013 } 13014 } 13015 13016 @Override 13017 public void setPermissionEnforced(String permission, boolean enforced) { 13018 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13019 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13020 synchronized (mPackages) { 13021 if (mSettings.mReadExternalStorageEnforced == null 13022 || mSettings.mReadExternalStorageEnforced != enforced) { 13023 mSettings.mReadExternalStorageEnforced = enforced; 13024 mSettings.writeLPr(); 13025 } 13026 } 13027 // kill any non-foreground processes so we restart them and 13028 // grant/revoke the GID. 13029 final IActivityManager am = ActivityManagerNative.getDefault(); 13030 if (am != null) { 13031 final long token = Binder.clearCallingIdentity(); 13032 try { 13033 am.killProcessesBelowForeground("setPermissionEnforcement"); 13034 } catch (RemoteException e) { 13035 } finally { 13036 Binder.restoreCallingIdentity(token); 13037 } 13038 } 13039 } else { 13040 throw new IllegalArgumentException("No selective enforcement for " + permission); 13041 } 13042 } 13043 13044 @Override 13045 @Deprecated 13046 public boolean isPermissionEnforced(String permission) { 13047 return true; 13048 } 13049 13050 @Override 13051 public boolean isStorageLow() { 13052 final long token = Binder.clearCallingIdentity(); 13053 try { 13054 final DeviceStorageMonitorInternal 13055 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13056 if (dsm != null) { 13057 return dsm.isMemoryLow(); 13058 } else { 13059 return false; 13060 } 13061 } finally { 13062 Binder.restoreCallingIdentity(token); 13063 } 13064 } 13065 13066 @Override 13067 public IPackageInstaller getPackageInstaller() { 13068 return mInstallerService; 13069 } 13070 13071 private boolean userNeedsBadging(int userId) { 13072 int index = mUserNeedsBadging.indexOfKey(userId); 13073 if (index < 0) { 13074 final UserInfo userInfo; 13075 final long token = Binder.clearCallingIdentity(); 13076 try { 13077 userInfo = sUserManager.getUserInfo(userId); 13078 } finally { 13079 Binder.restoreCallingIdentity(token); 13080 } 13081 final boolean b; 13082 if (userInfo != null && userInfo.isManagedProfile()) { 13083 b = true; 13084 } else { 13085 b = false; 13086 } 13087 mUserNeedsBadging.put(userId, b); 13088 return b; 13089 } 13090 return mUserNeedsBadging.valueAt(index); 13091 } 13092 13093 @Override 13094 public KeySet getKeySetByAlias(String packageName, String alias) { 13095 if (packageName == null || alias == null) { 13096 return null; 13097 } 13098 synchronized(mPackages) { 13099 final PackageParser.Package pkg = mPackages.get(packageName); 13100 if (pkg == null) { 13101 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13102 throw new IllegalArgumentException("Unknown package: " + packageName); 13103 } 13104 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13105 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13106 } 13107 } 13108 13109 @Override 13110 public KeySet getSigningKeySet(String packageName) { 13111 if (packageName == null) { 13112 return null; 13113 } 13114 synchronized(mPackages) { 13115 final PackageParser.Package pkg = mPackages.get(packageName); 13116 if (pkg == null) { 13117 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13118 throw new IllegalArgumentException("Unknown package: " + packageName); 13119 } 13120 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13121 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13122 throw new SecurityException("May not access signing KeySet of other apps."); 13123 } 13124 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13125 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13126 } 13127 } 13128 13129 @Override 13130 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13131 if (packageName == null || ks == null) { 13132 return false; 13133 } 13134 synchronized(mPackages) { 13135 final PackageParser.Package pkg = mPackages.get(packageName); 13136 if (pkg == null) { 13137 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13138 throw new IllegalArgumentException("Unknown package: " + packageName); 13139 } 13140 IBinder ksh = ks.getToken(); 13141 if (ksh instanceof KeySetHandle) { 13142 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13143 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13144 } 13145 return false; 13146 } 13147 } 13148 13149 @Override 13150 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13151 if (packageName == null || ks == null) { 13152 return false; 13153 } 13154 synchronized(mPackages) { 13155 final PackageParser.Package pkg = mPackages.get(packageName); 13156 if (pkg == null) { 13157 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13158 throw new IllegalArgumentException("Unknown package: " + packageName); 13159 } 13160 IBinder ksh = ks.getToken(); 13161 if (ksh instanceof KeySetHandle) { 13162 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13163 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13164 } 13165 return false; 13166 } 13167 } 13168} 13169