PackageManagerService.java revision fbd0e9fa37fc17ccd25e4c1f16195bbd27de3c4c
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 android.system.OsConstants.S_IRGRP; 52import static android.system.OsConstants.S_IROTH; 53import static android.system.OsConstants.S_IRWXU; 54import static android.system.OsConstants.S_IXGRP; 55import static android.system.OsConstants.S_IXOTH; 56import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 57import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 58import static com.android.internal.util.ArrayUtils.appendInt; 59import static com.android.internal.util.ArrayUtils.removeInt; 60 61import android.util.ArrayMap; 62 63import com.android.internal.R; 64import com.android.internal.app.IMediaContainerService; 65import com.android.internal.app.ResolverActivity; 66import com.android.internal.content.NativeLibraryHelper; 67import com.android.internal.content.PackageHelper; 68import com.android.internal.os.IParcelFileDescriptorFactory; 69import com.android.internal.util.ArrayUtils; 70import com.android.internal.util.FastPrintWriter; 71import com.android.internal.util.FastXmlSerializer; 72import com.android.internal.util.IndentingPrintWriter; 73import com.android.internal.util.Preconditions; 74import com.android.server.EventLogTags; 75import com.android.server.IntentResolver; 76import com.android.server.LocalServices; 77import com.android.server.ServiceThread; 78import com.android.server.SystemConfig; 79import com.android.server.Watchdog; 80import com.android.server.pm.Settings.DatabaseVersion; 81import com.android.server.storage.DeviceStorageMonitorInternal; 82 83import org.xmlpull.v1.XmlSerializer; 84 85import android.app.ActivityManager; 86import android.app.ActivityManagerNative; 87import android.app.IActivityManager; 88import android.app.PackageDeleteObserver; 89import android.app.admin.IDevicePolicyManager; 90import android.app.backup.IBackupManager; 91import android.content.BroadcastReceiver; 92import android.content.ComponentName; 93import android.content.Context; 94import android.content.IIntentReceiver; 95import android.content.Intent; 96import android.content.IntentFilter; 97import android.content.IntentSender; 98import android.content.IntentSender.SendIntentException; 99import android.content.ServiceConnection; 100import android.content.pm.ActivityInfo; 101import android.content.pm.ApplicationInfo; 102import android.content.pm.FeatureInfo; 103import android.content.pm.IPackageDataObserver; 104import android.content.pm.IPackageDeleteObserver; 105import android.content.pm.IPackageDeleteObserver2; 106import android.content.pm.IPackageInstallObserver2; 107import android.content.pm.IPackageInstaller; 108import android.content.pm.IPackageManager; 109import android.content.pm.IPackageMoveObserver; 110import android.content.pm.IPackageStatsObserver; 111import android.content.pm.InstallSessionParams; 112import android.content.pm.InstrumentationInfo; 113import android.content.pm.ManifestDigest; 114import android.content.pm.PackageCleanItem; 115import android.content.pm.PackageInfo; 116import android.content.pm.PackageInfoLite; 117import android.content.pm.PackageManager; 118import android.content.pm.PackageParser.ActivityIntentInfo; 119import android.content.pm.PackageParser.PackageLite; 120import android.content.pm.PackageParser.PackageParserException; 121import android.content.pm.PackageParser; 122import android.content.pm.PackageStats; 123import android.content.pm.PackageUserState; 124import android.content.pm.ParceledListSlice; 125import android.content.pm.PermissionGroupInfo; 126import android.content.pm.PermissionInfo; 127import android.content.pm.ProviderInfo; 128import android.content.pm.ResolveInfo; 129import android.content.pm.ServiceInfo; 130import android.content.pm.Signature; 131import android.content.pm.UserInfo; 132import android.content.pm.VerificationParams; 133import android.content.pm.VerifierDeviceIdentity; 134import android.content.pm.VerifierInfo; 135import android.content.res.Resources; 136import android.hardware.display.DisplayManager; 137import android.net.Uri; 138import android.os.Binder; 139import android.os.Build; 140import android.os.Bundle; 141import android.os.Environment; 142import android.os.Environment.UserEnvironment; 143import android.os.FileUtils; 144import android.os.Handler; 145import android.os.IBinder; 146import android.os.Looper; 147import android.os.Message; 148import android.os.Parcel; 149import android.os.ParcelFileDescriptor; 150import android.os.Process; 151import android.os.RemoteException; 152import android.os.SELinux; 153import android.os.ServiceManager; 154import android.os.SystemClock; 155import android.os.SystemProperties; 156import android.os.UserHandle; 157import android.os.UserManager; 158import android.security.KeyStore; 159import android.security.SystemKeyStore; 160import android.system.ErrnoException; 161import android.system.Os; 162import android.system.StructStat; 163import android.text.TextUtils; 164import android.util.ArraySet; 165import android.util.AtomicFile; 166import android.util.DisplayMetrics; 167import android.util.EventLog; 168import android.util.ExceptionUtils; 169import android.util.Log; 170import android.util.LogPrinter; 171import android.util.PrintStreamPrinter; 172import android.util.Slog; 173import android.util.SparseArray; 174import android.util.SparseBooleanArray; 175import android.view.Display; 176 177import java.io.BufferedInputStream; 178import java.io.BufferedOutputStream; 179import java.io.File; 180import java.io.FileDescriptor; 181import java.io.FileInputStream; 182import java.io.FileNotFoundException; 183import java.io.FileOutputStream; 184import java.io.FilenameFilter; 185import java.io.IOException; 186import java.io.InputStream; 187import java.io.PrintWriter; 188import java.nio.charset.StandardCharsets; 189import java.security.NoSuchAlgorithmException; 190import java.security.PublicKey; 191import java.security.cert.CertificateEncodingException; 192import java.security.cert.CertificateException; 193import java.text.SimpleDateFormat; 194import java.util.ArrayList; 195import java.util.Arrays; 196import java.util.Collection; 197import java.util.Collections; 198import java.util.Comparator; 199import java.util.Date; 200import java.util.HashMap; 201import java.util.HashSet; 202import java.util.Iterator; 203import java.util.List; 204import java.util.Map; 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; 214 215/** 216 * Keep track of all those .apks everywhere. 217 * 218 * This is very central to the platform's security; please run the unit 219 * tests whenever making modifications here: 220 * 221mmm frameworks/base/tests/AndroidTests 222adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 223adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 224 * 225 * {@hide} 226 */ 227public class PackageManagerService extends IPackageManager.Stub { 228 static final String TAG = "PackageManager"; 229 static final boolean DEBUG_SETTINGS = false; 230 static final boolean DEBUG_PREFERRED = false; 231 static final boolean DEBUG_UPGRADE = false; 232 private static final boolean DEBUG_INSTALL = false; 233 private static final boolean DEBUG_REMOVE = false; 234 private static final boolean DEBUG_BROADCASTS = false; 235 private static final boolean DEBUG_SHOW_INFO = false; 236 private static final boolean DEBUG_PACKAGE_INFO = false; 237 private static final boolean DEBUG_INTENT_MATCHING = false; 238 private static final boolean DEBUG_PACKAGE_SCANNING = false; 239 private static final boolean DEBUG_VERIFY = false; 240 private static final boolean DEBUG_DEXOPT = false; 241 private static final boolean DEBUG_ABI_SELECTION = false; 242 243 private static final int RADIO_UID = Process.PHONE_UID; 244 private static final int LOG_UID = Process.LOG_UID; 245 private static final int NFC_UID = Process.NFC_UID; 246 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 247 private static final int SHELL_UID = Process.SHELL_UID; 248 249 // Cap the size of permission trees that 3rd party apps can define 250 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 251 252 // Suffix used during package installation when copying/moving 253 // package apks to install directory. 254 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 255 256 static final int SCAN_MONITOR = 1<<0; 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; 267 268 static final int REMOVE_CHATTY = 1<<16; 269 270 /** 271 * Timeout (in milliseconds) after which the watchdog should declare that 272 * our handler thread is wedged. The usual default for such things is one 273 * minute but we sometimes do very lengthy I/O operations on this thread, 274 * such as installing multi-gigabyte applications, so ours needs to be longer. 275 */ 276 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 277 278 /** 279 * Whether verification is enabled by default. 280 */ 281 private static final boolean DEFAULT_VERIFY_ENABLE = true; 282 283 /** 284 * The default maximum time to wait for the verification agent to return in 285 * milliseconds. 286 */ 287 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 288 289 /** 290 * The default response for package verification timeout. 291 * 292 * This can be either PackageManager.VERIFICATION_ALLOW or 293 * PackageManager.VERIFICATION_REJECT. 294 */ 295 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 296 297 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 298 299 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 300 DEFAULT_CONTAINER_PACKAGE, 301 "com.android.defcontainer.DefaultContainerService"); 302 303 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 304 305 private static final String LIB_DIR_NAME = "lib"; 306 private static final String LIB64_DIR_NAME = "lib64"; 307 308 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 309 310 static final String mTempContainerPrefix = "smdl2tmp"; 311 312 private static String sPreferredInstructionSet; 313 314 final ServiceThread mHandlerThread; 315 316 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 317 private static final String IDMAP_SUFFIX = "@idmap"; 318 319 final PackageHandler mHandler; 320 321 final int mSdkVersion = Build.VERSION.SDK_INT; 322 323 final Context mContext; 324 final boolean mFactoryTest; 325 final boolean mOnlyCore; 326 final DisplayMetrics mMetrics; 327 final int mDefParseFlags; 328 final String[] mSeparateProcesses; 329 330 // This is where all application persistent data goes. 331 final File mAppDataDir; 332 333 // This is where all application persistent data goes for secondary users. 334 final File mUserAppDataDir; 335 336 /** The location for ASEC container files on internal storage. */ 337 final String mAsecInternalPath; 338 339 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 340 // LOCK HELD. Can be called with mInstallLock held. 341 final Installer mInstaller; 342 343 /** Directory where installed third-party apps stored */ 344 final File mAppInstallDir; 345 346 /** 347 * Directory to which applications installed internally have their 348 * 32 bit native libraries copied. 349 */ 350 private File mAppLib32InstallDir; 351 352 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 353 // apps. 354 final File mDrmAppPrivateInstallDir; 355 356 // ---------------------------------------------------------------- 357 358 // Lock for state used when installing and doing other long running 359 // operations. Methods that must be called with this lock held have 360 // the suffix "LI". 361 final Object mInstallLock = new Object(); 362 363 // These are the directories in the 3rd party applications installed dir 364 // that we have currently loaded packages from. Keys are the application's 365 // installed zip file (absolute codePath), and values are Package. 366 final HashMap<String, PackageParser.Package> mAppDirs = 367 new HashMap<String, PackageParser.Package>(); 368 369 // ---------------------------------------------------------------- 370 371 // Keys are String (package name), values are Package. This also serves 372 // as the lock for the global state. Methods that must be called with 373 // this lock held have the prefix "LP". 374 final HashMap<String, PackageParser.Package> mPackages = 375 new HashMap<String, PackageParser.Package>(); 376 377 // Tracks available target package names -> overlay package paths. 378 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 379 new HashMap<String, HashMap<String, PackageParser.Package>>(); 380 381 final Settings mSettings; 382 boolean mRestoredSettings; 383 384 // System configuration read by SystemConfig. 385 final int[] mGlobalGids; 386 final SparseArray<HashSet<String>> mSystemPermissions; 387 final HashMap<String, FeatureInfo> mAvailableFeatures; 388 389 // If mac_permissions.xml was found for seinfo labeling. 390 boolean mFoundPolicyFile; 391 392 // If a recursive restorecon of /data/data/<pkg> is needed. 393 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 394 395 public static final class SharedLibraryEntry { 396 public final String path; 397 public final String apk; 398 399 SharedLibraryEntry(String _path, String _apk) { 400 path = _path; 401 apk = _apk; 402 } 403 } 404 405 // Currently known shared libraries. 406 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 407 new HashMap<String, SharedLibraryEntry>(); 408 409 // All available activities, for your resolving pleasure. 410 final ActivityIntentResolver mActivities = 411 new ActivityIntentResolver(); 412 413 // All available receivers, for your resolving pleasure. 414 final ActivityIntentResolver mReceivers = 415 new ActivityIntentResolver(); 416 417 // All available services, for your resolving pleasure. 418 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 419 420 // All available providers, for your resolving pleasure. 421 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 422 423 // Mapping from provider base names (first directory in content URI codePath) 424 // to the provider information. 425 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 426 new HashMap<String, PackageParser.Provider>(); 427 428 // Mapping from instrumentation class names to info about them. 429 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 430 new HashMap<ComponentName, PackageParser.Instrumentation>(); 431 432 // Mapping from permission names to info about them. 433 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 434 new HashMap<String, PackageParser.PermissionGroup>(); 435 436 // Packages whose data we have transfered into another package, thus 437 // should no longer exist. 438 final HashSet<String> mTransferedPackages = new HashSet<String>(); 439 440 // Broadcast actions that are only available to the system. 441 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 442 443 /** List of packages waiting for verification. */ 444 final SparseArray<PackageVerificationState> mPendingVerification 445 = new SparseArray<PackageVerificationState>(); 446 447 /** Set of packages associated with each app op permission. */ 448 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 449 450 final PackageInstallerService mInstallerService; 451 452 HashSet<PackageParser.Package> mDeferredDexOpt = null; 453 454 // Cache of users who need badging. 455 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 456 457 /** Token for keys in mPendingVerification. */ 458 private int mPendingVerificationToken = 0; 459 460 boolean mSystemReady; 461 boolean mSafeMode; 462 boolean mHasSystemUidErrors; 463 464 ApplicationInfo mAndroidApplication; 465 final ActivityInfo mResolveActivity = new ActivityInfo(); 466 final ResolveInfo mResolveInfo = new ResolveInfo(); 467 ComponentName mResolveComponentName; 468 PackageParser.Package mPlatformPackage; 469 ComponentName mCustomResolverComponentName; 470 471 boolean mResolverReplaced = false; 472 473 // Set of pending broadcasts for aggregating enable/disable of components. 474 static class PendingPackageBroadcasts { 475 // for each user id, a map of <package name -> components within that package> 476 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 477 478 public PendingPackageBroadcasts() { 479 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 480 } 481 482 public ArrayList<String> get(int userId, String packageName) { 483 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 484 return packages.get(packageName); 485 } 486 487 public void put(int userId, String packageName, ArrayList<String> components) { 488 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 489 packages.put(packageName, components); 490 } 491 492 public void remove(int userId, String packageName) { 493 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 494 if (packages != null) { 495 packages.remove(packageName); 496 } 497 } 498 499 public void remove(int userId) { 500 mUidMap.remove(userId); 501 } 502 503 public int userIdCount() { 504 return mUidMap.size(); 505 } 506 507 public int userIdAt(int n) { 508 return mUidMap.keyAt(n); 509 } 510 511 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 512 return mUidMap.get(userId); 513 } 514 515 public int size() { 516 // total number of pending broadcast entries across all userIds 517 int num = 0; 518 for (int i = 0; i< mUidMap.size(); i++) { 519 num += mUidMap.valueAt(i).size(); 520 } 521 return num; 522 } 523 524 public void clear() { 525 mUidMap.clear(); 526 } 527 528 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 529 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 530 if (map == null) { 531 map = new HashMap<String, ArrayList<String>>(); 532 mUidMap.put(userId, map); 533 } 534 return map; 535 } 536 } 537 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 538 539 // Service Connection to remote media container service to copy 540 // package uri's from external media onto secure containers 541 // or internal storage. 542 private IMediaContainerService mContainerService = null; 543 544 static final int SEND_PENDING_BROADCAST = 1; 545 static final int MCS_BOUND = 3; 546 static final int END_COPY = 4; 547 static final int INIT_COPY = 5; 548 static final int MCS_UNBIND = 6; 549 static final int START_CLEANING_PACKAGE = 7; 550 static final int FIND_INSTALL_LOC = 8; 551 static final int POST_INSTALL = 9; 552 static final int MCS_RECONNECT = 10; 553 static final int MCS_GIVE_UP = 11; 554 static final int UPDATED_MEDIA_STATUS = 12; 555 static final int WRITE_SETTINGS = 13; 556 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 557 static final int PACKAGE_VERIFIED = 15; 558 static final int CHECK_PENDING_VERIFICATION = 16; 559 560 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 561 562 // Delay time in millisecs 563 static final int BROADCAST_DELAY = 10 * 1000; 564 565 static UserManagerService sUserManager; 566 567 // Stores a list of users whose package restrictions file needs to be updated 568 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 569 570 final private DefaultContainerConnection mDefContainerConn = 571 new DefaultContainerConnection(); 572 class DefaultContainerConnection implements ServiceConnection { 573 public void onServiceConnected(ComponentName name, IBinder service) { 574 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 575 IMediaContainerService imcs = 576 IMediaContainerService.Stub.asInterface(service); 577 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 578 } 579 580 public void onServiceDisconnected(ComponentName name) { 581 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 582 } 583 }; 584 585 // Recordkeeping of restore-after-install operations that are currently in flight 586 // between the Package Manager and the Backup Manager 587 class PostInstallData { 588 public InstallArgs args; 589 public PackageInstalledInfo res; 590 591 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 592 args = _a; 593 res = _r; 594 } 595 }; 596 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 597 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 598 599 private final String mRequiredVerifierPackage; 600 601 private final PackageUsage mPackageUsage = new PackageUsage(); 602 603 private class PackageUsage { 604 private static final int WRITE_INTERVAL 605 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 606 607 private final Object mFileLock = new Object(); 608 private final AtomicLong mLastWritten = new AtomicLong(0); 609 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 610 611 private boolean mIsHistoricalPackageUsageAvailable = true; 612 613 boolean isHistoricalPackageUsageAvailable() { 614 return mIsHistoricalPackageUsageAvailable; 615 } 616 617 void write(boolean force) { 618 if (force) { 619 writeInternal(); 620 return; 621 } 622 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 623 && !DEBUG_DEXOPT) { 624 return; 625 } 626 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 627 new Thread("PackageUsage_DiskWriter") { 628 @Override 629 public void run() { 630 try { 631 writeInternal(); 632 } finally { 633 mBackgroundWriteRunning.set(false); 634 } 635 } 636 }.start(); 637 } 638 } 639 640 private void writeInternal() { 641 synchronized (mPackages) { 642 synchronized (mFileLock) { 643 AtomicFile file = getFile(); 644 FileOutputStream f = null; 645 try { 646 f = file.startWrite(); 647 BufferedOutputStream out = new BufferedOutputStream(f); 648 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 649 StringBuilder sb = new StringBuilder(); 650 for (PackageParser.Package pkg : mPackages.values()) { 651 if (pkg.mLastPackageUsageTimeInMills == 0) { 652 continue; 653 } 654 sb.setLength(0); 655 sb.append(pkg.packageName); 656 sb.append(' '); 657 sb.append((long)pkg.mLastPackageUsageTimeInMills); 658 sb.append('\n'); 659 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 660 } 661 out.flush(); 662 file.finishWrite(f); 663 } catch (IOException e) { 664 if (f != null) { 665 file.failWrite(f); 666 } 667 Log.e(TAG, "Failed to write package usage times", e); 668 } 669 } 670 } 671 mLastWritten.set(SystemClock.elapsedRealtime()); 672 } 673 674 void readLP() { 675 synchronized (mFileLock) { 676 AtomicFile file = getFile(); 677 BufferedInputStream in = null; 678 try { 679 in = new BufferedInputStream(file.openRead()); 680 StringBuffer sb = new StringBuffer(); 681 while (true) { 682 String packageName = readToken(in, sb, ' '); 683 if (packageName == null) { 684 break; 685 } 686 String timeInMillisString = readToken(in, sb, '\n'); 687 if (timeInMillisString == null) { 688 throw new IOException("Failed to find last usage time for package " 689 + packageName); 690 } 691 PackageParser.Package pkg = mPackages.get(packageName); 692 if (pkg == null) { 693 continue; 694 } 695 long timeInMillis; 696 try { 697 timeInMillis = Long.parseLong(timeInMillisString.toString()); 698 } catch (NumberFormatException e) { 699 throw new IOException("Failed to parse " + timeInMillisString 700 + " as a long.", e); 701 } 702 pkg.mLastPackageUsageTimeInMills = timeInMillis; 703 } 704 } catch (FileNotFoundException expected) { 705 mIsHistoricalPackageUsageAvailable = false; 706 } catch (IOException e) { 707 Log.w(TAG, "Failed to read package usage times", e); 708 } finally { 709 IoUtils.closeQuietly(in); 710 } 711 } 712 mLastWritten.set(SystemClock.elapsedRealtime()); 713 } 714 715 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 716 throws IOException { 717 sb.setLength(0); 718 while (true) { 719 int ch = in.read(); 720 if (ch == -1) { 721 if (sb.length() == 0) { 722 return null; 723 } 724 throw new IOException("Unexpected EOF"); 725 } 726 if (ch == endOfToken) { 727 return sb.toString(); 728 } 729 sb.append((char)ch); 730 } 731 } 732 733 private AtomicFile getFile() { 734 File dataDir = Environment.getDataDirectory(); 735 File systemDir = new File(dataDir, "system"); 736 File fname = new File(systemDir, "package-usage.list"); 737 return new AtomicFile(fname); 738 } 739 } 740 741 class PackageHandler extends Handler { 742 private boolean mBound = false; 743 final ArrayList<HandlerParams> mPendingInstalls = 744 new ArrayList<HandlerParams>(); 745 746 private boolean connectToService() { 747 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 748 " DefaultContainerService"); 749 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 750 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 751 if (mContext.bindServiceAsUser(service, mDefContainerConn, 752 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 753 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 754 mBound = true; 755 return true; 756 } 757 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 758 return false; 759 } 760 761 private void disconnectService() { 762 mContainerService = null; 763 mBound = false; 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 mContext.unbindService(mDefContainerConn); 766 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 767 } 768 769 PackageHandler(Looper looper) { 770 super(looper); 771 } 772 773 public void handleMessage(Message msg) { 774 try { 775 doHandleMessage(msg); 776 } finally { 777 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 778 } 779 } 780 781 void doHandleMessage(Message msg) { 782 switch (msg.what) { 783 case INIT_COPY: { 784 HandlerParams params = (HandlerParams) msg.obj; 785 int idx = mPendingInstalls.size(); 786 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 787 // If a bind was already initiated we dont really 788 // need to do anything. The pending install 789 // will be processed later on. 790 if (!mBound) { 791 // If this is the only one pending we might 792 // have to bind to the service again. 793 if (!connectToService()) { 794 Slog.e(TAG, "Failed to bind to media container service"); 795 params.serviceError(); 796 return; 797 } else { 798 // Once we bind to the service, the first 799 // pending request will be processed. 800 mPendingInstalls.add(idx, params); 801 } 802 } else { 803 mPendingInstalls.add(idx, params); 804 // Already bound to the service. Just make 805 // sure we trigger off processing the first request. 806 if (idx == 0) { 807 mHandler.sendEmptyMessage(MCS_BOUND); 808 } 809 } 810 break; 811 } 812 case MCS_BOUND: { 813 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 814 if (msg.obj != null) { 815 mContainerService = (IMediaContainerService) msg.obj; 816 } 817 if (mContainerService == null) { 818 // Something seriously wrong. Bail out 819 Slog.e(TAG, "Cannot bind to media container service"); 820 for (HandlerParams params : mPendingInstalls) { 821 // Indicate service bind error 822 params.serviceError(); 823 } 824 mPendingInstalls.clear(); 825 } else if (mPendingInstalls.size() > 0) { 826 HandlerParams params = mPendingInstalls.get(0); 827 if (params != null) { 828 if (params.startCopy()) { 829 // We are done... look for more work or to 830 // go idle. 831 if (DEBUG_SD_INSTALL) Log.i(TAG, 832 "Checking for more work or unbind..."); 833 // Delete pending install 834 if (mPendingInstalls.size() > 0) { 835 mPendingInstalls.remove(0); 836 } 837 if (mPendingInstalls.size() == 0) { 838 if (mBound) { 839 if (DEBUG_SD_INSTALL) Log.i(TAG, 840 "Posting delayed MCS_UNBIND"); 841 removeMessages(MCS_UNBIND); 842 Message ubmsg = obtainMessage(MCS_UNBIND); 843 // Unbind after a little delay, to avoid 844 // continual thrashing. 845 sendMessageDelayed(ubmsg, 10000); 846 } 847 } else { 848 // There are more pending requests in queue. 849 // Just post MCS_BOUND message to trigger processing 850 // of next pending install. 851 if (DEBUG_SD_INSTALL) Log.i(TAG, 852 "Posting MCS_BOUND for next work"); 853 mHandler.sendEmptyMessage(MCS_BOUND); 854 } 855 } 856 } 857 } else { 858 // Should never happen ideally. 859 Slog.w(TAG, "Empty queue"); 860 } 861 break; 862 } 863 case MCS_RECONNECT: { 864 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 865 if (mPendingInstalls.size() > 0) { 866 if (mBound) { 867 disconnectService(); 868 } 869 if (!connectToService()) { 870 Slog.e(TAG, "Failed to bind to media container service"); 871 for (HandlerParams params : mPendingInstalls) { 872 // Indicate service bind error 873 params.serviceError(); 874 } 875 mPendingInstalls.clear(); 876 } 877 } 878 break; 879 } 880 case MCS_UNBIND: { 881 // If there is no actual work left, then time to unbind. 882 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 883 884 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 885 if (mBound) { 886 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 887 888 disconnectService(); 889 } 890 } else if (mPendingInstalls.size() > 0) { 891 // There are more pending requests in queue. 892 // Just post MCS_BOUND message to trigger processing 893 // of next pending install. 894 mHandler.sendEmptyMessage(MCS_BOUND); 895 } 896 897 break; 898 } 899 case MCS_GIVE_UP: { 900 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 901 mPendingInstalls.remove(0); 902 break; 903 } 904 case SEND_PENDING_BROADCAST: { 905 String packages[]; 906 ArrayList<String> components[]; 907 int size = 0; 908 int uids[]; 909 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 910 synchronized (mPackages) { 911 if (mPendingBroadcasts == null) { 912 return; 913 } 914 size = mPendingBroadcasts.size(); 915 if (size <= 0) { 916 // Nothing to be done. Just return 917 return; 918 } 919 packages = new String[size]; 920 components = new ArrayList[size]; 921 uids = new int[size]; 922 int i = 0; // filling out the above arrays 923 924 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 925 int packageUserId = mPendingBroadcasts.userIdAt(n); 926 Iterator<Map.Entry<String, ArrayList<String>>> it 927 = mPendingBroadcasts.packagesForUserId(packageUserId) 928 .entrySet().iterator(); 929 while (it.hasNext() && i < size) { 930 Map.Entry<String, ArrayList<String>> ent = it.next(); 931 packages[i] = ent.getKey(); 932 components[i] = ent.getValue(); 933 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 934 uids[i] = (ps != null) 935 ? UserHandle.getUid(packageUserId, ps.appId) 936 : -1; 937 i++; 938 } 939 } 940 size = i; 941 mPendingBroadcasts.clear(); 942 } 943 // Send broadcasts 944 for (int i = 0; i < size; i++) { 945 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 946 } 947 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 948 break; 949 } 950 case START_CLEANING_PACKAGE: { 951 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 952 final String packageName = (String)msg.obj; 953 final int userId = msg.arg1; 954 final boolean andCode = msg.arg2 != 0; 955 synchronized (mPackages) { 956 if (userId == UserHandle.USER_ALL) { 957 int[] users = sUserManager.getUserIds(); 958 for (int user : users) { 959 mSettings.addPackageToCleanLPw( 960 new PackageCleanItem(user, packageName, andCode)); 961 } 962 } else { 963 mSettings.addPackageToCleanLPw( 964 new PackageCleanItem(userId, packageName, andCode)); 965 } 966 } 967 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 968 startCleaningPackages(); 969 } break; 970 case POST_INSTALL: { 971 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 972 PostInstallData data = mRunningInstalls.get(msg.arg1); 973 mRunningInstalls.delete(msg.arg1); 974 boolean deleteOld = false; 975 976 if (data != null) { 977 InstallArgs args = data.args; 978 PackageInstalledInfo res = data.res; 979 980 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 981 res.removedInfo.sendBroadcast(false, true, false); 982 Bundle extras = new Bundle(1); 983 extras.putInt(Intent.EXTRA_UID, res.uid); 984 // Determine the set of users who are adding this 985 // package for the first time vs. those who are seeing 986 // an update. 987 int[] firstUsers; 988 int[] updateUsers = new int[0]; 989 if (res.origUsers == null || res.origUsers.length == 0) { 990 firstUsers = res.newUsers; 991 } else { 992 firstUsers = new int[0]; 993 for (int i=0; i<res.newUsers.length; i++) { 994 int user = res.newUsers[i]; 995 boolean isNew = true; 996 for (int j=0; j<res.origUsers.length; j++) { 997 if (res.origUsers[j] == user) { 998 isNew = false; 999 break; 1000 } 1001 } 1002 if (isNew) { 1003 int[] newFirst = new int[firstUsers.length+1]; 1004 System.arraycopy(firstUsers, 0, newFirst, 0, 1005 firstUsers.length); 1006 newFirst[firstUsers.length] = user; 1007 firstUsers = newFirst; 1008 } else { 1009 int[] newUpdate = new int[updateUsers.length+1]; 1010 System.arraycopy(updateUsers, 0, newUpdate, 0, 1011 updateUsers.length); 1012 newUpdate[updateUsers.length] = user; 1013 updateUsers = newUpdate; 1014 } 1015 } 1016 } 1017 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1018 res.pkg.applicationInfo.packageName, 1019 extras, null, null, firstUsers); 1020 final boolean update = res.removedInfo.removedPackage != null; 1021 if (update) { 1022 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1023 } 1024 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1025 res.pkg.applicationInfo.packageName, 1026 extras, null, null, updateUsers); 1027 if (update) { 1028 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1029 res.pkg.applicationInfo.packageName, 1030 extras, null, null, updateUsers); 1031 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1032 null, null, 1033 res.pkg.applicationInfo.packageName, null, updateUsers); 1034 1035 // treat asec-hosted packages like removable media on upgrade 1036 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1037 if (DEBUG_INSTALL) { 1038 Slog.i(TAG, "upgrading pkg " + res.pkg 1039 + " is ASEC-hosted -> AVAILABLE"); 1040 } 1041 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1042 ArrayList<String> pkgList = new ArrayList<String>(1); 1043 pkgList.add(res.pkg.applicationInfo.packageName); 1044 sendResourcesChangedBroadcast(true, true, 1045 pkgList,uidArray, null); 1046 } 1047 } 1048 if (res.removedInfo.args != null) { 1049 // Remove the replaced package's older resources safely now 1050 deleteOld = true; 1051 } 1052 1053 // Log current value of "unknown sources" setting 1054 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1055 getUnknownSourcesSettings()); 1056 } 1057 // Force a gc to clear up things 1058 Runtime.getRuntime().gc(); 1059 // We delete after a gc for applications on sdcard. 1060 if (deleteOld) { 1061 synchronized (mInstallLock) { 1062 res.removedInfo.args.doPostDeleteLI(true); 1063 } 1064 } 1065 if (args.observer != null) { 1066 try { 1067 Bundle extras = extrasForInstallResult(res); 1068 args.observer.onPackageInstalled(res.name, res.returnCode, 1069 res.returnMsg, extras); 1070 } catch (RemoteException e) { 1071 Slog.i(TAG, "Observer no longer exists."); 1072 } 1073 } 1074 } else { 1075 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1076 } 1077 } break; 1078 case UPDATED_MEDIA_STATUS: { 1079 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1080 boolean reportStatus = msg.arg1 == 1; 1081 boolean doGc = msg.arg2 == 1; 1082 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1083 if (doGc) { 1084 // Force a gc to clear up stale containers. 1085 Runtime.getRuntime().gc(); 1086 } 1087 if (msg.obj != null) { 1088 @SuppressWarnings("unchecked") 1089 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1090 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1091 // Unload containers 1092 unloadAllContainers(args); 1093 } 1094 if (reportStatus) { 1095 try { 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1097 PackageHelper.getMountService().finishMediaUpdate(); 1098 } catch (RemoteException e) { 1099 Log.e(TAG, "MountService not running?"); 1100 } 1101 } 1102 } break; 1103 case WRITE_SETTINGS: { 1104 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1105 synchronized (mPackages) { 1106 removeMessages(WRITE_SETTINGS); 1107 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1108 mSettings.writeLPr(); 1109 mDirtyUsers.clear(); 1110 } 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 } break; 1113 case WRITE_PACKAGE_RESTRICTIONS: { 1114 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1115 synchronized (mPackages) { 1116 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1117 for (int userId : mDirtyUsers) { 1118 mSettings.writePackageRestrictionsLPr(userId); 1119 } 1120 mDirtyUsers.clear(); 1121 } 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1123 } break; 1124 case CHECK_PENDING_VERIFICATION: { 1125 final int verificationId = msg.arg1; 1126 final PackageVerificationState state = mPendingVerification.get(verificationId); 1127 1128 if ((state != null) && !state.timeoutExtended()) { 1129 final InstallArgs args = state.getInstallArgs(); 1130 final Uri originUri = Uri.fromFile(args.originFile); 1131 1132 Slog.i(TAG, "Verification timed out for " + originUri); 1133 mPendingVerification.remove(verificationId); 1134 1135 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1136 1137 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1138 Slog.i(TAG, "Continuing with installation of " + originUri); 1139 state.setVerifierResponse(Binder.getCallingUid(), 1140 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1141 broadcastPackageVerified(verificationId, originUri, 1142 PackageManager.VERIFICATION_ALLOW, 1143 state.getInstallArgs().getUser()); 1144 try { 1145 ret = args.copyApk(mContainerService, true); 1146 } catch (RemoteException e) { 1147 Slog.e(TAG, "Could not contact the ContainerService"); 1148 } 1149 } else { 1150 broadcastPackageVerified(verificationId, originUri, 1151 PackageManager.VERIFICATION_REJECT, 1152 state.getInstallArgs().getUser()); 1153 } 1154 1155 processPendingInstall(args, ret); 1156 mHandler.sendEmptyMessage(MCS_UNBIND); 1157 } 1158 break; 1159 } 1160 case PACKAGE_VERIFIED: { 1161 final int verificationId = msg.arg1; 1162 1163 final PackageVerificationState state = mPendingVerification.get(verificationId); 1164 if (state == null) { 1165 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1166 break; 1167 } 1168 1169 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1170 1171 state.setVerifierResponse(response.callerUid, response.code); 1172 1173 if (state.isVerificationComplete()) { 1174 mPendingVerification.remove(verificationId); 1175 1176 final InstallArgs args = state.getInstallArgs(); 1177 final Uri originUri = Uri.fromFile(args.originFile); 1178 1179 int ret; 1180 if (state.isInstallAllowed()) { 1181 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1182 broadcastPackageVerified(verificationId, originUri, 1183 response.code, state.getInstallArgs().getUser()); 1184 try { 1185 ret = args.copyApk(mContainerService, true); 1186 } catch (RemoteException e) { 1187 Slog.e(TAG, "Could not contact the ContainerService"); 1188 } 1189 } else { 1190 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1191 } 1192 1193 processPendingInstall(args, ret); 1194 1195 mHandler.sendEmptyMessage(MCS_UNBIND); 1196 } 1197 1198 break; 1199 } 1200 } 1201 } 1202 } 1203 1204 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1205 Bundle extras = null; 1206 switch (res.returnCode) { 1207 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1208 extras = new Bundle(); 1209 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1210 res.origPermission); 1211 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1212 res.origPackage); 1213 break; 1214 } 1215 } 1216 return extras; 1217 } 1218 1219 void scheduleWriteSettingsLocked() { 1220 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1221 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1222 } 1223 } 1224 1225 void scheduleWritePackageRestrictionsLocked(int userId) { 1226 if (!sUserManager.exists(userId)) return; 1227 mDirtyUsers.add(userId); 1228 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1229 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1230 } 1231 } 1232 1233 public static final PackageManagerService main(Context context, Installer installer, 1234 boolean factoryTest, boolean onlyCore) { 1235 PackageManagerService m = new PackageManagerService(context, installer, 1236 factoryTest, onlyCore); 1237 ServiceManager.addService("package", m); 1238 return m; 1239 } 1240 1241 static String[] splitString(String str, char sep) { 1242 int count = 1; 1243 int i = 0; 1244 while ((i=str.indexOf(sep, i)) >= 0) { 1245 count++; 1246 i++; 1247 } 1248 1249 String[] res = new String[count]; 1250 i=0; 1251 count = 0; 1252 int lastI=0; 1253 while ((i=str.indexOf(sep, i)) >= 0) { 1254 res[count] = str.substring(lastI, i); 1255 count++; 1256 i++; 1257 lastI = i; 1258 } 1259 res[count] = str.substring(lastI, str.length()); 1260 return res; 1261 } 1262 1263 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1264 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1265 Context.DISPLAY_SERVICE); 1266 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1267 } 1268 1269 public PackageManagerService(Context context, Installer installer, 1270 boolean factoryTest, boolean onlyCore) { 1271 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1272 SystemClock.uptimeMillis()); 1273 1274 if (mSdkVersion <= 0) { 1275 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1276 } 1277 1278 mContext = context; 1279 mFactoryTest = factoryTest; 1280 mOnlyCore = onlyCore; 1281 mMetrics = new DisplayMetrics(); 1282 mSettings = new Settings(context); 1283 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1284 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1285 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1286 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1287 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1288 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1289 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1290 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1291 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1292 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1293 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1294 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1295 1296 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1297 if (separateProcesses != null && separateProcesses.length() > 0) { 1298 if ("*".equals(separateProcesses)) { 1299 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1300 mSeparateProcesses = null; 1301 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1302 } else { 1303 mDefParseFlags = 0; 1304 mSeparateProcesses = separateProcesses.split(","); 1305 Slog.w(TAG, "Running with debug.separate_processes: " 1306 + separateProcesses); 1307 } 1308 } else { 1309 mDefParseFlags = 0; 1310 mSeparateProcesses = null; 1311 } 1312 1313 mInstaller = installer; 1314 1315 getDefaultDisplayMetrics(context, mMetrics); 1316 1317 SystemConfig systemConfig = SystemConfig.getInstance(); 1318 mGlobalGids = systemConfig.getGlobalGids(); 1319 mSystemPermissions = systemConfig.getSystemPermissions(); 1320 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1321 1322 synchronized (mInstallLock) { 1323 // writer 1324 synchronized (mPackages) { 1325 mHandlerThread = new ServiceThread(TAG, 1326 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1327 mHandlerThread.start(); 1328 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1329 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1330 1331 File dataDir = Environment.getDataDirectory(); 1332 mAppDataDir = new File(dataDir, "data"); 1333 mAppInstallDir = new File(dataDir, "app"); 1334 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1335 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1336 mUserAppDataDir = new File(dataDir, "user"); 1337 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1338 1339 sUserManager = new UserManagerService(context, this, 1340 mInstallLock, mPackages); 1341 1342 // Propagate permission configuration in to package manager. 1343 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1344 = systemConfig.getPermissions(); 1345 for (int i=0; i<permConfig.size(); i++) { 1346 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1347 BasePermission bp = mSettings.mPermissions.get(perm.name); 1348 if (bp == null) { 1349 bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN); 1350 mSettings.mPermissions.put(perm.name, bp); 1351 } 1352 if (perm.gids != null) { 1353 bp.gids = appendInts(bp.gids, perm.gids); 1354 } 1355 } 1356 1357 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1358 for (int i=0; i<libConfig.size(); i++) { 1359 mSharedLibraries.put(libConfig.keyAt(i), 1360 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1361 } 1362 1363 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1364 1365 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1366 mSdkVersion, mOnlyCore); 1367 1368 String customResolverActivity = Resources.getSystem().getString( 1369 R.string.config_customResolverActivity); 1370 if (TextUtils.isEmpty(customResolverActivity)) { 1371 customResolverActivity = null; 1372 } else { 1373 mCustomResolverComponentName = ComponentName.unflattenFromString( 1374 customResolverActivity); 1375 } 1376 1377 long startTime = SystemClock.uptimeMillis(); 1378 1379 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1380 startTime); 1381 1382 // Set flag to monitor and not change apk file paths when 1383 // scanning install directories. 1384 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1385 1386 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1387 1388 /** 1389 * Add everything in the in the boot class path to the 1390 * list of process files because dexopt will have been run 1391 * if necessary during zygote startup. 1392 */ 1393 String bootClassPath = System.getProperty("java.boot.class.path"); 1394 if (bootClassPath != null) { 1395 String[] paths = splitString(bootClassPath, ':'); 1396 for (int i=0; i<paths.length; i++) { 1397 alreadyDexOpted.add(paths[i]); 1398 } 1399 } else { 1400 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1401 } 1402 1403 boolean didDexOptLibraryOrTool = false; 1404 1405 final List<String> instructionSets = getAllInstructionSets(); 1406 1407 /** 1408 * Ensure all external libraries have had dexopt run on them. 1409 */ 1410 if (mSharedLibraries.size() > 0) { 1411 // NOTE: For now, we're compiling these system "shared libraries" 1412 // (and framework jars) into all available architectures. It's possible 1413 // to compile them only when we come across an app that uses them (there's 1414 // already logic for that in scanPackageLI) but that adds some complexity. 1415 for (String instructionSet : instructionSets) { 1416 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1417 final String lib = libEntry.path; 1418 if (lib == null) { 1419 continue; 1420 } 1421 1422 try { 1423 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1424 alreadyDexOpted.add(lib); 1425 1426 // The list of "shared libraries" we have at this point is 1427 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1428 didDexOptLibraryOrTool = true; 1429 } 1430 } catch (FileNotFoundException e) { 1431 Slog.w(TAG, "Library not found: " + lib); 1432 } catch (IOException e) { 1433 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1434 + e.getMessage()); 1435 } 1436 } 1437 } 1438 } 1439 1440 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1441 1442 // Gross hack for now: we know this file doesn't contain any 1443 // code, so don't dexopt it to avoid the resulting log spew. 1444 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1445 1446 // Gross hack for now: we know this file is only part of 1447 // the boot class path for art, so don't dexopt it to 1448 // avoid the resulting log spew. 1449 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1450 1451 /** 1452 * And there are a number of commands implemented in Java, which 1453 * we currently need to do the dexopt on so that they can be 1454 * run from a non-root shell. 1455 */ 1456 String[] frameworkFiles = frameworkDir.list(); 1457 if (frameworkFiles != null) { 1458 // TODO: We could compile these only for the most preferred ABI. We should 1459 // first double check that the dex files for these commands are not referenced 1460 // by other system apps. 1461 for (String instructionSet : instructionSets) { 1462 for (int i=0; i<frameworkFiles.length; i++) { 1463 File libPath = new File(frameworkDir, frameworkFiles[i]); 1464 String path = libPath.getPath(); 1465 // Skip the file if we already did it. 1466 if (alreadyDexOpted.contains(path)) { 1467 continue; 1468 } 1469 // Skip the file if it is not a type we want to dexopt. 1470 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1471 continue; 1472 } 1473 try { 1474 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1475 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1476 didDexOptLibraryOrTool = true; 1477 } 1478 } catch (FileNotFoundException e) { 1479 Slog.w(TAG, "Jar not found: " + path); 1480 } catch (IOException e) { 1481 Slog.w(TAG, "Exception reading jar: " + path, e); 1482 } 1483 } 1484 } 1485 } 1486 1487 if (didDexOptLibraryOrTool) { 1488 // If we dexopted a library or tool, then something on the system has 1489 // changed. Consider this significant, and wipe away all other 1490 // existing dexopt files to ensure we don't leave any dangling around. 1491 // 1492 // TODO: This should be revisited because it isn't as good an indicator 1493 // as it used to be. It used to include the boot classpath but at some point 1494 // DexFile.isDexOptNeeded started returning false for the boot 1495 // class path files in all cases. It is very possible in a 1496 // small maintenance release update that the library and tool 1497 // jars may be unchanged but APK could be removed resulting in 1498 // unused dalvik-cache files. 1499 for (String instructionSet : instructionSets) { 1500 mInstaller.pruneDexCache(instructionSet); 1501 } 1502 1503 // Additionally, delete all dex files from the root directory 1504 // since there shouldn't be any there anyway, unless we're upgrading 1505 // from an older OS version or a build that contained the "old" style 1506 // flat scheme. 1507 mInstaller.pruneDexCache("."); 1508 } 1509 1510 // Collect vendor overlay packages. 1511 // (Do this before scanning any apps.) 1512 // For security and version matching reason, only consider 1513 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1514 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1515 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1516 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1517 1518 // Find base frameworks (resource packages without code). 1519 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1520 | PackageParser.PARSE_IS_SYSTEM_DIR 1521 | PackageParser.PARSE_IS_PRIVILEGED, 1522 scanMode | SCAN_NO_DEX, 0); 1523 1524 // Collected privileged system packages. 1525 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1526 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1527 | PackageParser.PARSE_IS_SYSTEM_DIR 1528 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1529 1530 // Collect ordinary system packages. 1531 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1532 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1533 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1534 1535 // Collect all vendor packages. 1536 File vendorAppDir = new File("/vendor/app"); 1537 try { 1538 vendorAppDir = vendorAppDir.getCanonicalFile(); 1539 } catch (IOException e) { 1540 // failed to look up canonical path, continue with original one 1541 } 1542 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1543 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1544 1545 // Collect all OEM packages. 1546 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1547 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1548 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1549 1550 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1551 mInstaller.moveFiles(); 1552 1553 // Prune any system packages that no longer exist. 1554 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1555 if (!mOnlyCore) { 1556 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1557 while (psit.hasNext()) { 1558 PackageSetting ps = psit.next(); 1559 1560 /* 1561 * If this is not a system app, it can't be a 1562 * disable system app. 1563 */ 1564 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1565 continue; 1566 } 1567 1568 /* 1569 * If the package is scanned, it's not erased. 1570 */ 1571 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1572 if (scannedPkg != null) { 1573 /* 1574 * If the system app is both scanned and in the 1575 * disabled packages list, then it must have been 1576 * added via OTA. Remove it from the currently 1577 * scanned package so the previously user-installed 1578 * application can be scanned. 1579 */ 1580 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1581 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1582 + "; removing system app"); 1583 removePackageLI(ps, true); 1584 } 1585 1586 continue; 1587 } 1588 1589 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1590 psit.remove(); 1591 String msg = "System package " + ps.name 1592 + " no longer exists; wiping its data"; 1593 reportSettingsProblem(Log.WARN, msg); 1594 removeDataDirsLI(ps.name); 1595 } else { 1596 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1597 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1598 possiblyDeletedUpdatedSystemApps.add(ps.name); 1599 } 1600 } 1601 } 1602 } 1603 1604 //look for any incomplete package installations 1605 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1606 //clean up list 1607 for(int i = 0; i < deletePkgsList.size(); i++) { 1608 //clean up here 1609 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1610 } 1611 //delete tmp files 1612 deleteTempPackageFiles(); 1613 1614 // Remove any shared userIDs that have no associated packages 1615 mSettings.pruneSharedUsersLPw(); 1616 1617 if (!mOnlyCore) { 1618 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1619 SystemClock.uptimeMillis()); 1620 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1621 1622 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1623 scanMode, 0); 1624 1625 /** 1626 * Remove disable package settings for any updated system 1627 * apps that were removed via an OTA. If they're not a 1628 * previously-updated app, remove them completely. 1629 * Otherwise, just revoke their system-level permissions. 1630 */ 1631 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1632 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1633 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1634 1635 String msg; 1636 if (deletedPkg == null) { 1637 msg = "Updated system package " + deletedAppName 1638 + " no longer exists; wiping its data"; 1639 removeDataDirsLI(deletedAppName); 1640 } else { 1641 msg = "Updated system app + " + deletedAppName 1642 + " no longer present; removing system privileges for " 1643 + deletedAppName; 1644 1645 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1646 1647 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1648 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1649 } 1650 reportSettingsProblem(Log.WARN, msg); 1651 } 1652 } 1653 1654 // Now that we know all of the shared libraries, update all clients to have 1655 // the correct library paths. 1656 updateAllSharedLibrariesLPw(); 1657 1658 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1659 // NOTE: We ignore potential failures here during a system scan (like 1660 // the rest of the commands above) because there's precious little we 1661 // can do about it. A settings error is reported, though. 1662 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1663 false /* force dexopt */, false /* defer dexopt */); 1664 } 1665 1666 // Now that we know all the packages we are keeping, 1667 // read and update their last usage times. 1668 mPackageUsage.readLP(); 1669 1670 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1671 SystemClock.uptimeMillis()); 1672 Slog.i(TAG, "Time to scan packages: " 1673 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1674 + " seconds"); 1675 1676 // If the platform SDK has changed since the last time we booted, 1677 // we need to re-grant app permission to catch any new ones that 1678 // appear. This is really a hack, and means that apps can in some 1679 // cases get permissions that the user didn't initially explicitly 1680 // allow... it would be nice to have some better way to handle 1681 // this situation. 1682 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1683 != mSdkVersion; 1684 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1685 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1686 + "; regranting permissions for internal storage"); 1687 mSettings.mInternalSdkPlatform = mSdkVersion; 1688 1689 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1690 | (regrantPermissions 1691 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1692 : 0)); 1693 1694 // If this is the first boot, and it is a normal boot, then 1695 // we need to initialize the default preferred apps. 1696 if (!mRestoredSettings && !onlyCore) { 1697 mSettings.readDefaultPreferredAppsLPw(this, 0); 1698 } 1699 1700 // If this is first boot after an OTA, and a normal boot, then 1701 // we need to clear code cache directories. 1702 if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) { 1703 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1704 for (String pkgName : mSettings.mPackages.keySet()) { 1705 deleteCodeCacheDirsLI(pkgName); 1706 } 1707 mSettings.mFingerprint = Build.FINGERPRINT; 1708 } 1709 1710 // All the changes are done during package scanning. 1711 mSettings.updateInternalDatabaseVersion(); 1712 1713 // can downgrade to reader 1714 mSettings.writeLPr(); 1715 1716 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1717 SystemClock.uptimeMillis()); 1718 1719 1720 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1721 } // synchronized (mPackages) 1722 } // synchronized (mInstallLock) 1723 1724 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1725 1726 // Now after opening every single application zip, make sure they 1727 // are all flushed. Not really needed, but keeps things nice and 1728 // tidy. 1729 Runtime.getRuntime().gc(); 1730 } 1731 1732 @Override 1733 public boolean isFirstBoot() { 1734 return !mRestoredSettings; 1735 } 1736 1737 @Override 1738 public boolean isOnlyCoreApps() { 1739 return mOnlyCore; 1740 } 1741 1742 private String getRequiredVerifierLPr() { 1743 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1744 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1745 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1746 1747 String requiredVerifier = null; 1748 1749 final int N = receivers.size(); 1750 for (int i = 0; i < N; i++) { 1751 final ResolveInfo info = receivers.get(i); 1752 1753 if (info.activityInfo == null) { 1754 continue; 1755 } 1756 1757 final String packageName = info.activityInfo.packageName; 1758 1759 final PackageSetting ps = mSettings.mPackages.get(packageName); 1760 if (ps == null) { 1761 continue; 1762 } 1763 1764 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1765 if (!gp.grantedPermissions 1766 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1767 continue; 1768 } 1769 1770 if (requiredVerifier != null) { 1771 throw new RuntimeException("There can be only one required verifier"); 1772 } 1773 1774 requiredVerifier = packageName; 1775 } 1776 1777 return requiredVerifier; 1778 } 1779 1780 @Override 1781 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1782 throws RemoteException { 1783 try { 1784 return super.onTransact(code, data, reply, flags); 1785 } catch (RuntimeException e) { 1786 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1787 Slog.wtf(TAG, "Package Manager Crash", e); 1788 } 1789 throw e; 1790 } 1791 } 1792 1793 void cleanupInstallFailedPackage(PackageSetting ps) { 1794 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1795 removeDataDirsLI(ps.name); 1796 1797 // TODO: try cleaning up codePath directory contents first, since it 1798 // might be a cluster 1799 1800 if (ps.codePath != null) { 1801 if (!ps.codePath.delete()) { 1802 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1803 } 1804 } 1805 if (ps.resourcePath != null) { 1806 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1807 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1808 } 1809 } 1810 mSettings.removePackageLPw(ps.name); 1811 } 1812 1813 static int[] appendInts(int[] cur, int[] add) { 1814 if (add == null) return cur; 1815 if (cur == null) return add; 1816 final int N = add.length; 1817 for (int i=0; i<N; i++) { 1818 cur = appendInt(cur, add[i]); 1819 } 1820 return cur; 1821 } 1822 1823 static int[] removeInts(int[] cur, int[] rem) { 1824 if (rem == null) return cur; 1825 if (cur == null) return cur; 1826 final int N = rem.length; 1827 for (int i=0; i<N; i++) { 1828 cur = removeInt(cur, rem[i]); 1829 } 1830 return cur; 1831 } 1832 1833 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1834 if (!sUserManager.exists(userId)) return null; 1835 final PackageSetting ps = (PackageSetting) p.mExtras; 1836 if (ps == null) { 1837 return null; 1838 } 1839 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1840 final PackageUserState state = ps.readUserState(userId); 1841 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1842 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1843 state, userId); 1844 } 1845 1846 @Override 1847 public boolean isPackageAvailable(String packageName, int userId) { 1848 if (!sUserManager.exists(userId)) return false; 1849 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1850 synchronized (mPackages) { 1851 PackageParser.Package p = mPackages.get(packageName); 1852 if (p != null) { 1853 final PackageSetting ps = (PackageSetting) p.mExtras; 1854 if (ps != null) { 1855 final PackageUserState state = ps.readUserState(userId); 1856 if (state != null) { 1857 return PackageParser.isAvailable(state); 1858 } 1859 } 1860 } 1861 } 1862 return false; 1863 } 1864 1865 @Override 1866 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1867 if (!sUserManager.exists(userId)) return null; 1868 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1869 // reader 1870 synchronized (mPackages) { 1871 PackageParser.Package p = mPackages.get(packageName); 1872 if (DEBUG_PACKAGE_INFO) 1873 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1874 if (p != null) { 1875 return generatePackageInfo(p, flags, userId); 1876 } 1877 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1878 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1879 } 1880 } 1881 return null; 1882 } 1883 1884 @Override 1885 public String[] currentToCanonicalPackageNames(String[] names) { 1886 String[] out = new String[names.length]; 1887 // reader 1888 synchronized (mPackages) { 1889 for (int i=names.length-1; i>=0; i--) { 1890 PackageSetting ps = mSettings.mPackages.get(names[i]); 1891 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1892 } 1893 } 1894 return out; 1895 } 1896 1897 @Override 1898 public String[] canonicalToCurrentPackageNames(String[] names) { 1899 String[] out = new String[names.length]; 1900 // reader 1901 synchronized (mPackages) { 1902 for (int i=names.length-1; i>=0; i--) { 1903 String cur = mSettings.mRenamedPackages.get(names[i]); 1904 out[i] = cur != null ? cur : names[i]; 1905 } 1906 } 1907 return out; 1908 } 1909 1910 @Override 1911 public int getPackageUid(String packageName, int userId) { 1912 if (!sUserManager.exists(userId)) return -1; 1913 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1914 // reader 1915 synchronized (mPackages) { 1916 PackageParser.Package p = mPackages.get(packageName); 1917 if(p != null) { 1918 return UserHandle.getUid(userId, p.applicationInfo.uid); 1919 } 1920 PackageSetting ps = mSettings.mPackages.get(packageName); 1921 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1922 return -1; 1923 } 1924 p = ps.pkg; 1925 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1926 } 1927 } 1928 1929 @Override 1930 public int[] getPackageGids(String packageName) { 1931 // reader 1932 synchronized (mPackages) { 1933 PackageParser.Package p = mPackages.get(packageName); 1934 if (DEBUG_PACKAGE_INFO) 1935 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1936 if (p != null) { 1937 final PackageSetting ps = (PackageSetting)p.mExtras; 1938 return ps.getGids(); 1939 } 1940 } 1941 // stupid thing to indicate an error. 1942 return new int[0]; 1943 } 1944 1945 static final PermissionInfo generatePermissionInfo( 1946 BasePermission bp, int flags) { 1947 if (bp.perm != null) { 1948 return PackageParser.generatePermissionInfo(bp.perm, flags); 1949 } 1950 PermissionInfo pi = new PermissionInfo(); 1951 pi.name = bp.name; 1952 pi.packageName = bp.sourcePackage; 1953 pi.nonLocalizedLabel = bp.name; 1954 pi.protectionLevel = bp.protectionLevel; 1955 return pi; 1956 } 1957 1958 @Override 1959 public PermissionInfo getPermissionInfo(String name, int flags) { 1960 // reader 1961 synchronized (mPackages) { 1962 final BasePermission p = mSettings.mPermissions.get(name); 1963 if (p != null) { 1964 return generatePermissionInfo(p, flags); 1965 } 1966 return null; 1967 } 1968 } 1969 1970 @Override 1971 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1972 // reader 1973 synchronized (mPackages) { 1974 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1975 for (BasePermission p : mSettings.mPermissions.values()) { 1976 if (group == null) { 1977 if (p.perm == null || p.perm.info.group == null) { 1978 out.add(generatePermissionInfo(p, flags)); 1979 } 1980 } else { 1981 if (p.perm != null && group.equals(p.perm.info.group)) { 1982 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1983 } 1984 } 1985 } 1986 1987 if (out.size() > 0) { 1988 return out; 1989 } 1990 return mPermissionGroups.containsKey(group) ? out : null; 1991 } 1992 } 1993 1994 @Override 1995 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1996 // reader 1997 synchronized (mPackages) { 1998 return PackageParser.generatePermissionGroupInfo( 1999 mPermissionGroups.get(name), flags); 2000 } 2001 } 2002 2003 @Override 2004 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2005 // reader 2006 synchronized (mPackages) { 2007 final int N = mPermissionGroups.size(); 2008 ArrayList<PermissionGroupInfo> out 2009 = new ArrayList<PermissionGroupInfo>(N); 2010 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2011 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2012 } 2013 return out; 2014 } 2015 } 2016 2017 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2018 int userId) { 2019 if (!sUserManager.exists(userId)) return null; 2020 PackageSetting ps = mSettings.mPackages.get(packageName); 2021 if (ps != null) { 2022 if (ps.pkg == null) { 2023 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2024 flags, userId); 2025 if (pInfo != null) { 2026 return pInfo.applicationInfo; 2027 } 2028 return null; 2029 } 2030 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2031 ps.readUserState(userId), userId); 2032 } 2033 return null; 2034 } 2035 2036 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2037 int userId) { 2038 if (!sUserManager.exists(userId)) return null; 2039 PackageSetting ps = mSettings.mPackages.get(packageName); 2040 if (ps != null) { 2041 PackageParser.Package pkg = ps.pkg; 2042 if (pkg == null) { 2043 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2044 return null; 2045 } 2046 // Only data remains, so we aren't worried about code paths 2047 pkg = new PackageParser.Package(packageName); 2048 pkg.applicationInfo.packageName = packageName; 2049 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2050 pkg.applicationInfo.dataDir = 2051 getDataPathForPackage(packageName, 0).getPath(); 2052 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2053 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2054 } 2055 return generatePackageInfo(pkg, flags, userId); 2056 } 2057 return null; 2058 } 2059 2060 @Override 2061 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2062 if (!sUserManager.exists(userId)) return null; 2063 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2064 // writer 2065 synchronized (mPackages) { 2066 PackageParser.Package p = mPackages.get(packageName); 2067 if (DEBUG_PACKAGE_INFO) Log.v( 2068 TAG, "getApplicationInfo " + packageName 2069 + ": " + p); 2070 if (p != null) { 2071 PackageSetting ps = mSettings.mPackages.get(packageName); 2072 if (ps == null) return null; 2073 // Note: isEnabledLP() does not apply here - always return info 2074 return PackageParser.generateApplicationInfo( 2075 p, flags, ps.readUserState(userId), userId); 2076 } 2077 if ("android".equals(packageName)||"system".equals(packageName)) { 2078 return mAndroidApplication; 2079 } 2080 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2081 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2082 } 2083 } 2084 return null; 2085 } 2086 2087 2088 @Override 2089 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2090 mContext.enforceCallingOrSelfPermission( 2091 android.Manifest.permission.CLEAR_APP_CACHE, null); 2092 // Queue up an async operation since clearing cache may take a little while. 2093 mHandler.post(new Runnable() { 2094 public void run() { 2095 mHandler.removeCallbacks(this); 2096 int retCode = -1; 2097 synchronized (mInstallLock) { 2098 retCode = mInstaller.freeCache(freeStorageSize); 2099 if (retCode < 0) { 2100 Slog.w(TAG, "Couldn't clear application caches"); 2101 } 2102 } 2103 if (observer != null) { 2104 try { 2105 observer.onRemoveCompleted(null, (retCode >= 0)); 2106 } catch (RemoteException e) { 2107 Slog.w(TAG, "RemoveException when invoking call back"); 2108 } 2109 } 2110 } 2111 }); 2112 } 2113 2114 @Override 2115 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2116 mContext.enforceCallingOrSelfPermission( 2117 android.Manifest.permission.CLEAR_APP_CACHE, null); 2118 // Queue up an async operation since clearing cache may take a little while. 2119 mHandler.post(new Runnable() { 2120 public void run() { 2121 mHandler.removeCallbacks(this); 2122 int retCode = -1; 2123 synchronized (mInstallLock) { 2124 retCode = mInstaller.freeCache(freeStorageSize); 2125 if (retCode < 0) { 2126 Slog.w(TAG, "Couldn't clear application caches"); 2127 } 2128 } 2129 if(pi != null) { 2130 try { 2131 // Callback via pending intent 2132 int code = (retCode >= 0) ? 1 : 0; 2133 pi.sendIntent(null, code, null, 2134 null, null); 2135 } catch (SendIntentException e1) { 2136 Slog.i(TAG, "Failed to send pending intent"); 2137 } 2138 } 2139 } 2140 }); 2141 } 2142 2143 void freeStorage(long freeStorageSize) throws IOException { 2144 synchronized (mInstallLock) { 2145 if (mInstaller.freeCache(freeStorageSize) < 0) { 2146 throw new IOException("Failed to free enough space"); 2147 } 2148 } 2149 } 2150 2151 @Override 2152 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2153 if (!sUserManager.exists(userId)) return null; 2154 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2155 synchronized (mPackages) { 2156 PackageParser.Activity a = mActivities.mActivities.get(component); 2157 2158 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2159 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2160 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2161 if (ps == null) return null; 2162 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2163 userId); 2164 } 2165 if (mResolveComponentName.equals(component)) { 2166 return mResolveActivity; 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, "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, "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, "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 message the message to log on security exception 2334 */ 2335 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2336 String message) { 2337 if (userId < 0) { 2338 throw new IllegalArgumentException("Invalid userId " + userId); 2339 } 2340 if (userId == UserHandle.getUserId(callingUid)) return; 2341 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2342 if (requireFullPermission) { 2343 mContext.enforceCallingOrSelfPermission( 2344 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2345 } else { 2346 try { 2347 mContext.enforceCallingOrSelfPermission( 2348 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2349 } catch (SecurityException se) { 2350 mContext.enforceCallingOrSelfPermission( 2351 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2352 } 2353 } 2354 } 2355 } 2356 2357 private BasePermission findPermissionTreeLP(String permName) { 2358 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2359 if (permName.startsWith(bp.name) && 2360 permName.length() > bp.name.length() && 2361 permName.charAt(bp.name.length()) == '.') { 2362 return bp; 2363 } 2364 } 2365 return null; 2366 } 2367 2368 private BasePermission checkPermissionTreeLP(String permName) { 2369 if (permName != null) { 2370 BasePermission bp = findPermissionTreeLP(permName); 2371 if (bp != null) { 2372 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2373 return bp; 2374 } 2375 throw new SecurityException("Calling uid " 2376 + Binder.getCallingUid() 2377 + " is not allowed to add to permission tree " 2378 + bp.name + " owned by uid " + bp.uid); 2379 } 2380 } 2381 throw new SecurityException("No permission tree found for " + permName); 2382 } 2383 2384 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2385 if (s1 == null) { 2386 return s2 == null; 2387 } 2388 if (s2 == null) { 2389 return false; 2390 } 2391 if (s1.getClass() != s2.getClass()) { 2392 return false; 2393 } 2394 return s1.equals(s2); 2395 } 2396 2397 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2398 if (pi1.icon != pi2.icon) return false; 2399 if (pi1.logo != pi2.logo) return false; 2400 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2401 if (!compareStrings(pi1.name, pi2.name)) return false; 2402 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2403 // We'll take care of setting this one. 2404 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2405 // These are not currently stored in settings. 2406 //if (!compareStrings(pi1.group, pi2.group)) return false; 2407 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2408 //if (pi1.labelRes != pi2.labelRes) return false; 2409 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2410 return true; 2411 } 2412 2413 int permissionInfoFootprint(PermissionInfo info) { 2414 int size = info.name.length(); 2415 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2416 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2417 return size; 2418 } 2419 2420 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2421 int size = 0; 2422 for (BasePermission perm : mSettings.mPermissions.values()) { 2423 if (perm.uid == tree.uid) { 2424 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2425 } 2426 } 2427 return size; 2428 } 2429 2430 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2431 // We calculate the max size of permissions defined by this uid and throw 2432 // if that plus the size of 'info' would exceed our stated maximum. 2433 if (tree.uid != Process.SYSTEM_UID) { 2434 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2435 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2436 throw new SecurityException("Permission tree size cap exceeded"); 2437 } 2438 } 2439 } 2440 2441 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2442 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2443 throw new SecurityException("Label must be specified in permission"); 2444 } 2445 BasePermission tree = checkPermissionTreeLP(info.name); 2446 BasePermission bp = mSettings.mPermissions.get(info.name); 2447 boolean added = bp == null; 2448 boolean changed = true; 2449 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2450 if (added) { 2451 enforcePermissionCapLocked(info, tree); 2452 bp = new BasePermission(info.name, tree.sourcePackage, 2453 BasePermission.TYPE_DYNAMIC); 2454 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2455 throw new SecurityException( 2456 "Not allowed to modify non-dynamic permission " 2457 + info.name); 2458 } else { 2459 if (bp.protectionLevel == fixedLevel 2460 && bp.perm.owner.equals(tree.perm.owner) 2461 && bp.uid == tree.uid 2462 && comparePermissionInfos(bp.perm.info, info)) { 2463 changed = false; 2464 } 2465 } 2466 bp.protectionLevel = fixedLevel; 2467 info = new PermissionInfo(info); 2468 info.protectionLevel = fixedLevel; 2469 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2470 bp.perm.info.packageName = tree.perm.info.packageName; 2471 bp.uid = tree.uid; 2472 if (added) { 2473 mSettings.mPermissions.put(info.name, bp); 2474 } 2475 if (changed) { 2476 if (!async) { 2477 mSettings.writeLPr(); 2478 } else { 2479 scheduleWriteSettingsLocked(); 2480 } 2481 } 2482 return added; 2483 } 2484 2485 @Override 2486 public boolean addPermission(PermissionInfo info) { 2487 synchronized (mPackages) { 2488 return addPermissionLocked(info, false); 2489 } 2490 } 2491 2492 @Override 2493 public boolean addPermissionAsync(PermissionInfo info) { 2494 synchronized (mPackages) { 2495 return addPermissionLocked(info, true); 2496 } 2497 } 2498 2499 @Override 2500 public void removePermission(String name) { 2501 synchronized (mPackages) { 2502 checkPermissionTreeLP(name); 2503 BasePermission bp = mSettings.mPermissions.get(name); 2504 if (bp != null) { 2505 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2506 throw new SecurityException( 2507 "Not allowed to modify non-dynamic permission " 2508 + name); 2509 } 2510 mSettings.mPermissions.remove(name); 2511 mSettings.writeLPr(); 2512 } 2513 } 2514 } 2515 2516 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2517 int index = pkg.requestedPermissions.indexOf(bp.name); 2518 if (index == -1) { 2519 throw new SecurityException("Package " + pkg.packageName 2520 + " has not requested permission " + bp.name); 2521 } 2522 boolean isNormal = 2523 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2524 == PermissionInfo.PROTECTION_NORMAL); 2525 boolean isDangerous = 2526 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2527 == PermissionInfo.PROTECTION_DANGEROUS); 2528 boolean isDevelopment = 2529 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2530 2531 if (!isNormal && !isDangerous && !isDevelopment) { 2532 throw new SecurityException("Permission " + bp.name 2533 + " is not a changeable permission type"); 2534 } 2535 2536 if (isNormal || isDangerous) { 2537 if (pkg.requestedPermissionsRequired.get(index)) { 2538 throw new SecurityException("Can't change " + bp.name 2539 + ". It is required by the application"); 2540 } 2541 } 2542 } 2543 2544 @Override 2545 public void grantPermission(String packageName, String permissionName) { 2546 mContext.enforceCallingOrSelfPermission( 2547 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2548 synchronized (mPackages) { 2549 final PackageParser.Package pkg = mPackages.get(packageName); 2550 if (pkg == null) { 2551 throw new IllegalArgumentException("Unknown package: " + packageName); 2552 } 2553 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2554 if (bp == null) { 2555 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2556 } 2557 2558 checkGrantRevokePermissions(pkg, bp); 2559 2560 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2561 if (ps == null) { 2562 return; 2563 } 2564 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2565 if (gp.grantedPermissions.add(permissionName)) { 2566 if (ps.haveGids) { 2567 gp.gids = appendInts(gp.gids, bp.gids); 2568 } 2569 mSettings.writeLPr(); 2570 } 2571 } 2572 } 2573 2574 @Override 2575 public void revokePermission(String packageName, String permissionName) { 2576 int changedAppId = -1; 2577 2578 synchronized (mPackages) { 2579 final PackageParser.Package pkg = mPackages.get(packageName); 2580 if (pkg == null) { 2581 throw new IllegalArgumentException("Unknown package: " + packageName); 2582 } 2583 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2584 mContext.enforceCallingOrSelfPermission( 2585 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2586 } 2587 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2588 if (bp == null) { 2589 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2590 } 2591 2592 checkGrantRevokePermissions(pkg, bp); 2593 2594 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2595 if (ps == null) { 2596 return; 2597 } 2598 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2599 if (gp.grantedPermissions.remove(permissionName)) { 2600 gp.grantedPermissions.remove(permissionName); 2601 if (ps.haveGids) { 2602 gp.gids = removeInts(gp.gids, bp.gids); 2603 } 2604 mSettings.writeLPr(); 2605 changedAppId = ps.appId; 2606 } 2607 } 2608 2609 if (changedAppId >= 0) { 2610 // We changed the perm on someone, kill its processes. 2611 IActivityManager am = ActivityManagerNative.getDefault(); 2612 if (am != null) { 2613 final int callingUserId = UserHandle.getCallingUserId(); 2614 final long ident = Binder.clearCallingIdentity(); 2615 try { 2616 //XXX we should only revoke for the calling user's app permissions, 2617 // but for now we impact all users. 2618 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2619 // "revoke " + permissionName); 2620 int[] users = sUserManager.getUserIds(); 2621 for (int user : users) { 2622 am.killUid(UserHandle.getUid(user, changedAppId), 2623 "revoke " + permissionName); 2624 } 2625 } catch (RemoteException e) { 2626 } finally { 2627 Binder.restoreCallingIdentity(ident); 2628 } 2629 } 2630 } 2631 } 2632 2633 @Override 2634 public boolean isProtectedBroadcast(String actionName) { 2635 synchronized (mPackages) { 2636 return mProtectedBroadcasts.contains(actionName); 2637 } 2638 } 2639 2640 @Override 2641 public int checkSignatures(String pkg1, String pkg2) { 2642 synchronized (mPackages) { 2643 final PackageParser.Package p1 = mPackages.get(pkg1); 2644 final PackageParser.Package p2 = mPackages.get(pkg2); 2645 if (p1 == null || p1.mExtras == null 2646 || p2 == null || p2.mExtras == null) { 2647 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2648 } 2649 return compareSignatures(p1.mSignatures, p2.mSignatures); 2650 } 2651 } 2652 2653 @Override 2654 public int checkUidSignatures(int uid1, int uid2) { 2655 // Map to base uids. 2656 uid1 = UserHandle.getAppId(uid1); 2657 uid2 = UserHandle.getAppId(uid2); 2658 // reader 2659 synchronized (mPackages) { 2660 Signature[] s1; 2661 Signature[] s2; 2662 Object obj = mSettings.getUserIdLPr(uid1); 2663 if (obj != null) { 2664 if (obj instanceof SharedUserSetting) { 2665 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2666 } else if (obj instanceof PackageSetting) { 2667 s1 = ((PackageSetting)obj).signatures.mSignatures; 2668 } else { 2669 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2670 } 2671 } else { 2672 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2673 } 2674 obj = mSettings.getUserIdLPr(uid2); 2675 if (obj != null) { 2676 if (obj instanceof SharedUserSetting) { 2677 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2678 } else if (obj instanceof PackageSetting) { 2679 s2 = ((PackageSetting)obj).signatures.mSignatures; 2680 } else { 2681 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2682 } 2683 } else { 2684 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2685 } 2686 return compareSignatures(s1, s2); 2687 } 2688 } 2689 2690 /** 2691 * Compares two sets of signatures. Returns: 2692 * <br /> 2693 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2694 * <br /> 2695 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2696 * <br /> 2697 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2698 * <br /> 2699 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2700 * <br /> 2701 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2702 */ 2703 static int compareSignatures(Signature[] s1, Signature[] s2) { 2704 if (s1 == null) { 2705 return s2 == null 2706 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2707 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2708 } 2709 2710 if (s2 == null) { 2711 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2712 } 2713 2714 if (s1.length != s2.length) { 2715 return PackageManager.SIGNATURE_NO_MATCH; 2716 } 2717 2718 // Since both signature sets are of size 1, we can compare without HashSets. 2719 if (s1.length == 1) { 2720 return s1[0].equals(s2[0]) ? 2721 PackageManager.SIGNATURE_MATCH : 2722 PackageManager.SIGNATURE_NO_MATCH; 2723 } 2724 2725 HashSet<Signature> set1 = new HashSet<Signature>(); 2726 for (Signature sig : s1) { 2727 set1.add(sig); 2728 } 2729 HashSet<Signature> set2 = new HashSet<Signature>(); 2730 for (Signature sig : s2) { 2731 set2.add(sig); 2732 } 2733 // Make sure s2 contains all signatures in s1. 2734 if (set1.equals(set2)) { 2735 return PackageManager.SIGNATURE_MATCH; 2736 } 2737 return PackageManager.SIGNATURE_NO_MATCH; 2738 } 2739 2740 /** 2741 * If the database version for this type of package (internal storage or 2742 * external storage) is less than the version where package signatures 2743 * were updated, return true. 2744 */ 2745 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2746 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2747 DatabaseVersion.SIGNATURE_END_ENTITY)) 2748 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2749 DatabaseVersion.SIGNATURE_END_ENTITY)); 2750 } 2751 2752 /** 2753 * Used for backward compatibility to make sure any packages with 2754 * certificate chains get upgraded to the new style. {@code existingSigs} 2755 * will be in the old format (since they were stored on disk from before the 2756 * system upgrade) and {@code scannedSigs} will be in the newer format. 2757 */ 2758 private int compareSignaturesCompat(PackageSignatures existingSigs, 2759 PackageParser.Package scannedPkg) { 2760 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2761 return PackageManager.SIGNATURE_NO_MATCH; 2762 } 2763 2764 HashSet<Signature> existingSet = new HashSet<Signature>(); 2765 for (Signature sig : existingSigs.mSignatures) { 2766 existingSet.add(sig); 2767 } 2768 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2769 for (Signature sig : scannedPkg.mSignatures) { 2770 try { 2771 Signature[] chainSignatures = sig.getChainSignatures(); 2772 for (Signature chainSig : chainSignatures) { 2773 scannedCompatSet.add(chainSig); 2774 } 2775 } catch (CertificateEncodingException e) { 2776 scannedCompatSet.add(sig); 2777 } 2778 } 2779 /* 2780 * Make sure the expanded scanned set contains all signatures in the 2781 * existing one. 2782 */ 2783 if (scannedCompatSet.equals(existingSet)) { 2784 // Migrate the old signatures to the new scheme. 2785 existingSigs.assignSignatures(scannedPkg.mSignatures); 2786 // The new KeySets will be re-added later in the scanning process. 2787 synchronized (mPackages) { 2788 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2789 } 2790 return PackageManager.SIGNATURE_MATCH; 2791 } 2792 return PackageManager.SIGNATURE_NO_MATCH; 2793 } 2794 2795 @Override 2796 public String[] getPackagesForUid(int uid) { 2797 uid = UserHandle.getAppId(uid); 2798 // reader 2799 synchronized (mPackages) { 2800 Object obj = mSettings.getUserIdLPr(uid); 2801 if (obj instanceof SharedUserSetting) { 2802 final SharedUserSetting sus = (SharedUserSetting) obj; 2803 final int N = sus.packages.size(); 2804 final String[] res = new String[N]; 2805 final Iterator<PackageSetting> it = sus.packages.iterator(); 2806 int i = 0; 2807 while (it.hasNext()) { 2808 res[i++] = it.next().name; 2809 } 2810 return res; 2811 } else if (obj instanceof PackageSetting) { 2812 final PackageSetting ps = (PackageSetting) obj; 2813 return new String[] { ps.name }; 2814 } 2815 } 2816 return null; 2817 } 2818 2819 @Override 2820 public String getNameForUid(int uid) { 2821 // reader 2822 synchronized (mPackages) { 2823 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2824 if (obj instanceof SharedUserSetting) { 2825 final SharedUserSetting sus = (SharedUserSetting) obj; 2826 return sus.name + ":" + sus.userId; 2827 } else if (obj instanceof PackageSetting) { 2828 final PackageSetting ps = (PackageSetting) obj; 2829 return ps.name; 2830 } 2831 } 2832 return null; 2833 } 2834 2835 @Override 2836 public int getUidForSharedUser(String sharedUserName) { 2837 if(sharedUserName == null) { 2838 return -1; 2839 } 2840 // reader 2841 synchronized (mPackages) { 2842 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2843 if (suid == null) { 2844 return -1; 2845 } 2846 return suid.userId; 2847 } 2848 } 2849 2850 @Override 2851 public int getFlagsForUid(int uid) { 2852 synchronized (mPackages) { 2853 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2854 if (obj instanceof SharedUserSetting) { 2855 final SharedUserSetting sus = (SharedUserSetting) obj; 2856 return sus.pkgFlags; 2857 } else if (obj instanceof PackageSetting) { 2858 final PackageSetting ps = (PackageSetting) obj; 2859 return ps.pkgFlags; 2860 } 2861 } 2862 return 0; 2863 } 2864 2865 @Override 2866 public String[] getAppOpPermissionPackages(String permissionName) { 2867 synchronized (mPackages) { 2868 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2869 if (pkgs == null) { 2870 return null; 2871 } 2872 return pkgs.toArray(new String[pkgs.size()]); 2873 } 2874 } 2875 2876 @Override 2877 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2878 int flags, int userId) { 2879 if (!sUserManager.exists(userId)) return null; 2880 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2881 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2882 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2883 } 2884 2885 @Override 2886 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2887 IntentFilter filter, int match, ComponentName activity) { 2888 final int userId = UserHandle.getCallingUserId(); 2889 if (DEBUG_PREFERRED) { 2890 Log.v(TAG, "setLastChosenActivity intent=" + intent 2891 + " resolvedType=" + resolvedType 2892 + " flags=" + flags 2893 + " filter=" + filter 2894 + " match=" + match 2895 + " activity=" + activity); 2896 filter.dump(new PrintStreamPrinter(System.out), " "); 2897 } 2898 intent.setComponent(null); 2899 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2900 // Find any earlier preferred or last chosen entries and nuke them 2901 findPreferredActivity(intent, resolvedType, 2902 flags, query, 0, false, true, false, userId); 2903 // Add the new activity as the last chosen for this filter 2904 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2905 } 2906 2907 @Override 2908 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2909 final int userId = UserHandle.getCallingUserId(); 2910 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2911 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2912 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2913 false, false, false, userId); 2914 } 2915 2916 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2917 int flags, List<ResolveInfo> query, int userId) { 2918 if (query != null) { 2919 final int N = query.size(); 2920 if (N == 1) { 2921 return query.get(0); 2922 } else if (N > 1) { 2923 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2924 // If there is more than one activity with the same priority, 2925 // then let the user decide between them. 2926 ResolveInfo r0 = query.get(0); 2927 ResolveInfo r1 = query.get(1); 2928 if (DEBUG_INTENT_MATCHING || debug) { 2929 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2930 + r1.activityInfo.name + "=" + r1.priority); 2931 } 2932 // If the first activity has a higher priority, or a different 2933 // default, then it is always desireable to pick it. 2934 if (r0.priority != r1.priority 2935 || r0.preferredOrder != r1.preferredOrder 2936 || r0.isDefault != r1.isDefault) { 2937 return query.get(0); 2938 } 2939 // If we have saved a preference for a preferred activity for 2940 // this Intent, use that. 2941 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2942 flags, query, r0.priority, true, false, debug, userId); 2943 if (ri != null) { 2944 return ri; 2945 } 2946 if (userId != 0) { 2947 ri = new ResolveInfo(mResolveInfo); 2948 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2949 ri.activityInfo.applicationInfo = new ApplicationInfo( 2950 ri.activityInfo.applicationInfo); 2951 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2952 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2953 return ri; 2954 } 2955 return mResolveInfo; 2956 } 2957 } 2958 return null; 2959 } 2960 2961 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2962 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2963 final int N = query.size(); 2964 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2965 .get(userId); 2966 // Get the list of persistent preferred activities that handle the intent 2967 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2968 List<PersistentPreferredActivity> pprefs = ppir != null 2969 ? ppir.queryIntent(intent, resolvedType, 2970 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2971 : null; 2972 if (pprefs != null && pprefs.size() > 0) { 2973 final int M = pprefs.size(); 2974 for (int i=0; i<M; i++) { 2975 final PersistentPreferredActivity ppa = pprefs.get(i); 2976 if (DEBUG_PREFERRED || debug) { 2977 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2978 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2979 + "\n component=" + ppa.mComponent); 2980 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2981 } 2982 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2983 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2984 if (DEBUG_PREFERRED || debug) { 2985 Slog.v(TAG, "Found persistent preferred activity:"); 2986 if (ai != null) { 2987 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2988 } else { 2989 Slog.v(TAG, " null"); 2990 } 2991 } 2992 if (ai == null) { 2993 // This previously registered persistent preferred activity 2994 // component is no longer known. Ignore it and do NOT remove it. 2995 continue; 2996 } 2997 for (int j=0; j<N; j++) { 2998 final ResolveInfo ri = query.get(j); 2999 if (!ri.activityInfo.applicationInfo.packageName 3000 .equals(ai.applicationInfo.packageName)) { 3001 continue; 3002 } 3003 if (!ri.activityInfo.name.equals(ai.name)) { 3004 continue; 3005 } 3006 // Found a persistent preference that can handle the intent. 3007 if (DEBUG_PREFERRED || debug) { 3008 Slog.v(TAG, "Returning persistent preferred activity: " + 3009 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3010 } 3011 return ri; 3012 } 3013 } 3014 } 3015 return null; 3016 } 3017 3018 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3019 List<ResolveInfo> query, int priority, boolean always, 3020 boolean removeMatches, boolean debug, int userId) { 3021 if (!sUserManager.exists(userId)) return null; 3022 // writer 3023 synchronized (mPackages) { 3024 if (intent.getSelector() != null) { 3025 intent = intent.getSelector(); 3026 } 3027 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3028 3029 // Try to find a matching persistent preferred activity. 3030 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3031 debug, userId); 3032 3033 // If a persistent preferred activity matched, use it. 3034 if (pri != null) { 3035 return pri; 3036 } 3037 3038 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3039 // Get the list of preferred activities that handle the intent 3040 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3041 List<PreferredActivity> prefs = pir != null 3042 ? pir.queryIntent(intent, resolvedType, 3043 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3044 : null; 3045 if (prefs != null && prefs.size() > 0) { 3046 // First figure out how good the original match set is. 3047 // We will only allow preferred activities that came 3048 // from the same match quality. 3049 int match = 0; 3050 3051 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3052 3053 final int N = query.size(); 3054 for (int j=0; j<N; j++) { 3055 final ResolveInfo ri = query.get(j); 3056 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3057 + ": 0x" + Integer.toHexString(match)); 3058 if (ri.match > match) { 3059 match = ri.match; 3060 } 3061 } 3062 3063 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3064 + Integer.toHexString(match)); 3065 3066 match &= IntentFilter.MATCH_CATEGORY_MASK; 3067 final int M = prefs.size(); 3068 for (int i=0; i<M; i++) { 3069 final PreferredActivity pa = prefs.get(i); 3070 if (DEBUG_PREFERRED || debug) { 3071 Slog.v(TAG, "Checking PreferredActivity ds=" 3072 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3073 + "\n component=" + pa.mPref.mComponent); 3074 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3075 } 3076 if (pa.mPref.mMatch != match) { 3077 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3078 + Integer.toHexString(pa.mPref.mMatch)); 3079 continue; 3080 } 3081 // If it's not an "always" type preferred activity and that's what we're 3082 // looking for, skip it. 3083 if (always && !pa.mPref.mAlways) { 3084 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3085 continue; 3086 } 3087 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3088 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3089 if (DEBUG_PREFERRED || debug) { 3090 Slog.v(TAG, "Found preferred activity:"); 3091 if (ai != null) { 3092 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3093 } else { 3094 Slog.v(TAG, " null"); 3095 } 3096 } 3097 if (ai == null) { 3098 // This previously registered preferred activity 3099 // component is no longer known. Most likely an update 3100 // to the app was installed and in the new version this 3101 // component no longer exists. Clean it up by removing 3102 // it from the preferred activities list, and skip it. 3103 Slog.w(TAG, "Removing dangling preferred activity: " 3104 + pa.mPref.mComponent); 3105 pir.removeFilter(pa); 3106 continue; 3107 } 3108 for (int j=0; j<N; j++) { 3109 final ResolveInfo ri = query.get(j); 3110 if (!ri.activityInfo.applicationInfo.packageName 3111 .equals(ai.applicationInfo.packageName)) { 3112 continue; 3113 } 3114 if (!ri.activityInfo.name.equals(ai.name)) { 3115 continue; 3116 } 3117 3118 if (removeMatches) { 3119 pir.removeFilter(pa); 3120 if (DEBUG_PREFERRED) { 3121 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3122 } 3123 break; 3124 } 3125 3126 // Okay we found a previously set preferred or last chosen app. 3127 // If the result set is different from when this 3128 // was created, we need to clear it and re-ask the 3129 // user their preference, if we're looking for an "always" type entry. 3130 if (always && !pa.mPref.sameSet(query, priority)) { 3131 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3132 + intent + " type " + resolvedType); 3133 if (DEBUG_PREFERRED) { 3134 Slog.v(TAG, "Removing preferred activity since set changed " 3135 + pa.mPref.mComponent); 3136 } 3137 pir.removeFilter(pa); 3138 // Re-add the filter as a "last chosen" entry (!always) 3139 PreferredActivity lastChosen = new PreferredActivity( 3140 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3141 pir.addFilter(lastChosen); 3142 mSettings.writePackageRestrictionsLPr(userId); 3143 return null; 3144 } 3145 3146 // Yay! Either the set matched or we're looking for the last chosen 3147 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3148 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3149 mSettings.writePackageRestrictionsLPr(userId); 3150 return ri; 3151 } 3152 } 3153 } 3154 mSettings.writePackageRestrictionsLPr(userId); 3155 } 3156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3157 return null; 3158 } 3159 3160 /* 3161 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3162 */ 3163 @Override 3164 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3165 int targetUserId) { 3166 mContext.enforceCallingOrSelfPermission( 3167 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3168 List<CrossProfileIntentFilter> matches = 3169 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3170 if (matches != null) { 3171 int size = matches.size(); 3172 for (int i = 0; i < size; i++) { 3173 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3174 } 3175 } 3176 3177 ArrayList<String> packageNames = null; 3178 SparseArray<ArrayList<String>> fromSource = 3179 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3180 if (fromSource != null) { 3181 packageNames = fromSource.get(targetUserId); 3182 } 3183 if (packageNames.contains(intent.getPackage())) { 3184 return true; 3185 } 3186 // We need the package name, so we try to resolve with the loosest flags possible 3187 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3188 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3189 int count = resolveInfos.size(); 3190 for (int i = 0; i < count; i++) { 3191 ResolveInfo resolveInfo = resolveInfos.get(i); 3192 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3193 return true; 3194 } 3195 } 3196 return false; 3197 } 3198 3199 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3200 String resolvedType, int userId) { 3201 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3202 if (resolver != null) { 3203 return resolver.queryIntent(intent, resolvedType, false, userId); 3204 } 3205 return null; 3206 } 3207 3208 @Override 3209 public List<ResolveInfo> queryIntentActivities(Intent intent, 3210 String resolvedType, int flags, int userId) { 3211 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3212 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3213 ComponentName comp = intent.getComponent(); 3214 if (comp == null) { 3215 if (intent.getSelector() != null) { 3216 intent = intent.getSelector(); 3217 comp = intent.getComponent(); 3218 } 3219 } 3220 3221 if (comp != null) { 3222 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3223 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3224 if (ai != null) { 3225 final ResolveInfo ri = new ResolveInfo(); 3226 ri.activityInfo = ai; 3227 list.add(ri); 3228 } 3229 return list; 3230 } 3231 3232 // reader 3233 synchronized (mPackages) { 3234 final String pkgName = intent.getPackage(); 3235 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3236 if (pkgName == null) { 3237 ResolveInfo resolveInfo = null; 3238 if (queryCrossProfile) { 3239 // Check if the intent needs to be forwarded to another user for this package 3240 ArrayList<ResolveInfo> crossProfileResult = 3241 queryIntentActivitiesCrossProfilePackage( 3242 intent, resolvedType, flags, userId); 3243 if (!crossProfileResult.isEmpty()) { 3244 // Skip the current profile 3245 return crossProfileResult; 3246 } 3247 List<CrossProfileIntentFilter> matchingFilters = 3248 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3249 // Check for results that need to skip the current profile. 3250 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3251 resolvedType, flags, userId); 3252 if (resolveInfo != null) { 3253 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3254 result.add(resolveInfo); 3255 return result; 3256 } 3257 // Check for cross profile results. 3258 resolveInfo = queryCrossProfileIntents( 3259 matchingFilters, intent, resolvedType, flags, userId); 3260 } 3261 // Check for results in the current profile. 3262 List<ResolveInfo> result = mActivities.queryIntent( 3263 intent, resolvedType, flags, userId); 3264 if (resolveInfo != null) { 3265 result.add(resolveInfo); 3266 } 3267 return result; 3268 } 3269 final PackageParser.Package pkg = mPackages.get(pkgName); 3270 if (pkg != null) { 3271 if (queryCrossProfile) { 3272 ArrayList<ResolveInfo> crossProfileResult = 3273 queryIntentActivitiesCrossProfilePackage( 3274 intent, resolvedType, flags, userId, pkg, pkgName); 3275 if (!crossProfileResult.isEmpty()) { 3276 // Skip the current profile 3277 return crossProfileResult; 3278 } 3279 } 3280 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3281 pkg.activities, userId); 3282 } 3283 return new ArrayList<ResolveInfo>(); 3284 } 3285 } 3286 3287 private ResolveInfo querySkipCurrentProfileIntents( 3288 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3289 int flags, int sourceUserId) { 3290 if (matchingFilters != null) { 3291 int size = matchingFilters.size(); 3292 for (int i = 0; i < size; i ++) { 3293 CrossProfileIntentFilter filter = matchingFilters.get(i); 3294 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3295 // Checking if there are activities in the target user that can handle the 3296 // intent. 3297 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3298 flags, sourceUserId); 3299 if (resolveInfo != null) { 3300 return resolveInfo; 3301 } 3302 } 3303 } 3304 } 3305 return null; 3306 } 3307 3308 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3309 Intent intent, String resolvedType, int flags, int userId) { 3310 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3311 SparseArray<ArrayList<String>> sourceForwardingInfo = 3312 mSettings.mCrossProfilePackageInfo.get(userId); 3313 if (sourceForwardingInfo != null) { 3314 int NI = sourceForwardingInfo.size(); 3315 for (int i = 0; i < NI; i++) { 3316 int targetUserId = sourceForwardingInfo.keyAt(i); 3317 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3318 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3319 intent, resolvedType, flags, targetUserId); 3320 int NJ = resolveInfos.size(); 3321 for (int j = 0; j < NJ; j++) { 3322 ResolveInfo resolveInfo = resolveInfos.get(j); 3323 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3324 matchingResolveInfos.add(createForwardingResolveInfo( 3325 resolveInfo.filter, userId, targetUserId)); 3326 } 3327 } 3328 } 3329 } 3330 return matchingResolveInfos; 3331 } 3332 3333 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3334 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3335 String packageName) { 3336 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3337 SparseArray<ArrayList<String>> sourceForwardingInfo = 3338 mSettings.mCrossProfilePackageInfo.get(userId); 3339 if (sourceForwardingInfo != null) { 3340 int NI = sourceForwardingInfo.size(); 3341 for (int i = 0; i < NI; i++) { 3342 int targetUserId = sourceForwardingInfo.keyAt(i); 3343 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3344 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3345 intent, resolvedType, flags, pkg.activities, targetUserId); 3346 int NJ = resolveInfos.size(); 3347 for (int j = 0; j < NJ; j++) { 3348 ResolveInfo resolveInfo = resolveInfos.get(j); 3349 matchingResolveInfos.add(createForwardingResolveInfo( 3350 resolveInfo.filter, userId, targetUserId)); 3351 } 3352 } 3353 } 3354 } 3355 return matchingResolveInfos; 3356 } 3357 3358 // Return matching ResolveInfo if any for skip current profile intent filters. 3359 private ResolveInfo queryCrossProfileIntents( 3360 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3361 int flags, int sourceUserId) { 3362 if (matchingFilters != null) { 3363 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3364 // match the same intent. For performance reasons, it is better not to 3365 // run queryIntent twice for the same userId 3366 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3367 int size = matchingFilters.size(); 3368 for (int i = 0; i < size; i++) { 3369 CrossProfileIntentFilter filter = matchingFilters.get(i); 3370 int targetUserId = filter.getTargetUserId(); 3371 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3372 && !alreadyTriedUserIds.get(targetUserId)) { 3373 // Checking if there are activities in the target user that can handle the 3374 // intent. 3375 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3376 flags, sourceUserId); 3377 if (resolveInfo != null) return resolveInfo; 3378 alreadyTriedUserIds.put(targetUserId, true); 3379 } 3380 } 3381 } 3382 return null; 3383 } 3384 3385 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3386 String resolvedType, int flags, int sourceUserId) { 3387 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3388 resolvedType, flags, filter.getTargetUserId()); 3389 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3390 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3391 } 3392 return null; 3393 } 3394 3395 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3396 int sourceUserId, int targetUserId) { 3397 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3398 String className; 3399 if (targetUserId == UserHandle.USER_OWNER) { 3400 className = FORWARD_INTENT_TO_USER_OWNER; 3401 } else { 3402 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3403 } 3404 ComponentName forwardingActivityComponentName = new ComponentName( 3405 mAndroidApplication.packageName, className); 3406 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3407 sourceUserId); 3408 if (targetUserId == UserHandle.USER_OWNER) { 3409 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3410 forwardingResolveInfo.noResourceId = true; 3411 } 3412 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3413 forwardingResolveInfo.priority = 0; 3414 forwardingResolveInfo.preferredOrder = 0; 3415 forwardingResolveInfo.match = 0; 3416 forwardingResolveInfo.isDefault = true; 3417 forwardingResolveInfo.filter = filter; 3418 forwardingResolveInfo.targetUserId = targetUserId; 3419 return forwardingResolveInfo; 3420 } 3421 3422 @Override 3423 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3424 Intent[] specifics, String[] specificTypes, Intent intent, 3425 String resolvedType, int flags, int userId) { 3426 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3427 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3428 "query intent activity options"); 3429 final String resultsAction = intent.getAction(); 3430 3431 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3432 | PackageManager.GET_RESOLVED_FILTER, userId); 3433 3434 if (DEBUG_INTENT_MATCHING) { 3435 Log.v(TAG, "Query " + intent + ": " + results); 3436 } 3437 3438 int specificsPos = 0; 3439 int N; 3440 3441 // todo: note that the algorithm used here is O(N^2). This 3442 // isn't a problem in our current environment, but if we start running 3443 // into situations where we have more than 5 or 10 matches then this 3444 // should probably be changed to something smarter... 3445 3446 // First we go through and resolve each of the specific items 3447 // that were supplied, taking care of removing any corresponding 3448 // duplicate items in the generic resolve list. 3449 if (specifics != null) { 3450 for (int i=0; i<specifics.length; i++) { 3451 final Intent sintent = specifics[i]; 3452 if (sintent == null) { 3453 continue; 3454 } 3455 3456 if (DEBUG_INTENT_MATCHING) { 3457 Log.v(TAG, "Specific #" + i + ": " + sintent); 3458 } 3459 3460 String action = sintent.getAction(); 3461 if (resultsAction != null && resultsAction.equals(action)) { 3462 // If this action was explicitly requested, then don't 3463 // remove things that have it. 3464 action = null; 3465 } 3466 3467 ResolveInfo ri = null; 3468 ActivityInfo ai = null; 3469 3470 ComponentName comp = sintent.getComponent(); 3471 if (comp == null) { 3472 ri = resolveIntent( 3473 sintent, 3474 specificTypes != null ? specificTypes[i] : null, 3475 flags, userId); 3476 if (ri == null) { 3477 continue; 3478 } 3479 if (ri == mResolveInfo) { 3480 // ACK! Must do something better with this. 3481 } 3482 ai = ri.activityInfo; 3483 comp = new ComponentName(ai.applicationInfo.packageName, 3484 ai.name); 3485 } else { 3486 ai = getActivityInfo(comp, flags, userId); 3487 if (ai == null) { 3488 continue; 3489 } 3490 } 3491 3492 // Look for any generic query activities that are duplicates 3493 // of this specific one, and remove them from the results. 3494 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3495 N = results.size(); 3496 int j; 3497 for (j=specificsPos; j<N; j++) { 3498 ResolveInfo sri = results.get(j); 3499 if ((sri.activityInfo.name.equals(comp.getClassName()) 3500 && sri.activityInfo.applicationInfo.packageName.equals( 3501 comp.getPackageName())) 3502 || (action != null && sri.filter.matchAction(action))) { 3503 results.remove(j); 3504 if (DEBUG_INTENT_MATCHING) Log.v( 3505 TAG, "Removing duplicate item from " + j 3506 + " due to specific " + specificsPos); 3507 if (ri == null) { 3508 ri = sri; 3509 } 3510 j--; 3511 N--; 3512 } 3513 } 3514 3515 // Add this specific item to its proper place. 3516 if (ri == null) { 3517 ri = new ResolveInfo(); 3518 ri.activityInfo = ai; 3519 } 3520 results.add(specificsPos, ri); 3521 ri.specificIndex = i; 3522 specificsPos++; 3523 } 3524 } 3525 3526 // Now we go through the remaining generic results and remove any 3527 // duplicate actions that are found here. 3528 N = results.size(); 3529 for (int i=specificsPos; i<N-1; i++) { 3530 final ResolveInfo rii = results.get(i); 3531 if (rii.filter == null) { 3532 continue; 3533 } 3534 3535 // Iterate over all of the actions of this result's intent 3536 // filter... typically this should be just one. 3537 final Iterator<String> it = rii.filter.actionsIterator(); 3538 if (it == null) { 3539 continue; 3540 } 3541 while (it.hasNext()) { 3542 final String action = it.next(); 3543 if (resultsAction != null && resultsAction.equals(action)) { 3544 // If this action was explicitly requested, then don't 3545 // remove things that have it. 3546 continue; 3547 } 3548 for (int j=i+1; j<N; j++) { 3549 final ResolveInfo rij = results.get(j); 3550 if (rij.filter != null && rij.filter.hasAction(action)) { 3551 results.remove(j); 3552 if (DEBUG_INTENT_MATCHING) Log.v( 3553 TAG, "Removing duplicate item from " + j 3554 + " due to action " + action + " at " + i); 3555 j--; 3556 N--; 3557 } 3558 } 3559 } 3560 3561 // If the caller didn't request filter information, drop it now 3562 // so we don't have to marshall/unmarshall it. 3563 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3564 rii.filter = null; 3565 } 3566 } 3567 3568 // Filter out the caller activity if so requested. 3569 if (caller != null) { 3570 N = results.size(); 3571 for (int i=0; i<N; i++) { 3572 ActivityInfo ainfo = results.get(i).activityInfo; 3573 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3574 && caller.getClassName().equals(ainfo.name)) { 3575 results.remove(i); 3576 break; 3577 } 3578 } 3579 } 3580 3581 // If the caller didn't request filter information, 3582 // drop them now so we don't have to 3583 // marshall/unmarshall it. 3584 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3585 N = results.size(); 3586 for (int i=0; i<N; i++) { 3587 results.get(i).filter = null; 3588 } 3589 } 3590 3591 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3592 return results; 3593 } 3594 3595 @Override 3596 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3597 int userId) { 3598 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3599 ComponentName comp = intent.getComponent(); 3600 if (comp == null) { 3601 if (intent.getSelector() != null) { 3602 intent = intent.getSelector(); 3603 comp = intent.getComponent(); 3604 } 3605 } 3606 if (comp != null) { 3607 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3608 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3609 if (ai != null) { 3610 ResolveInfo ri = new ResolveInfo(); 3611 ri.activityInfo = ai; 3612 list.add(ri); 3613 } 3614 return list; 3615 } 3616 3617 // reader 3618 synchronized (mPackages) { 3619 String pkgName = intent.getPackage(); 3620 if (pkgName == null) { 3621 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3622 } 3623 final PackageParser.Package pkg = mPackages.get(pkgName); 3624 if (pkg != null) { 3625 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3626 userId); 3627 } 3628 return null; 3629 } 3630 } 3631 3632 @Override 3633 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3634 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3635 if (!sUserManager.exists(userId)) return null; 3636 if (query != null) { 3637 if (query.size() >= 1) { 3638 // If there is more than one service with the same priority, 3639 // just arbitrarily pick the first one. 3640 return query.get(0); 3641 } 3642 } 3643 return null; 3644 } 3645 3646 @Override 3647 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3648 int userId) { 3649 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3650 ComponentName comp = intent.getComponent(); 3651 if (comp == null) { 3652 if (intent.getSelector() != null) { 3653 intent = intent.getSelector(); 3654 comp = intent.getComponent(); 3655 } 3656 } 3657 if (comp != null) { 3658 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3659 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3660 if (si != null) { 3661 final ResolveInfo ri = new ResolveInfo(); 3662 ri.serviceInfo = si; 3663 list.add(ri); 3664 } 3665 return list; 3666 } 3667 3668 // reader 3669 synchronized (mPackages) { 3670 String pkgName = intent.getPackage(); 3671 if (pkgName == null) { 3672 return mServices.queryIntent(intent, resolvedType, flags, userId); 3673 } 3674 final PackageParser.Package pkg = mPackages.get(pkgName); 3675 if (pkg != null) { 3676 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3677 userId); 3678 } 3679 return null; 3680 } 3681 } 3682 3683 @Override 3684 public List<ResolveInfo> queryIntentContentProviders( 3685 Intent intent, String resolvedType, int flags, int userId) { 3686 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3687 ComponentName comp = intent.getComponent(); 3688 if (comp == null) { 3689 if (intent.getSelector() != null) { 3690 intent = intent.getSelector(); 3691 comp = intent.getComponent(); 3692 } 3693 } 3694 if (comp != null) { 3695 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3696 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3697 if (pi != null) { 3698 final ResolveInfo ri = new ResolveInfo(); 3699 ri.providerInfo = pi; 3700 list.add(ri); 3701 } 3702 return list; 3703 } 3704 3705 // reader 3706 synchronized (mPackages) { 3707 String pkgName = intent.getPackage(); 3708 if (pkgName == null) { 3709 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3710 } 3711 final PackageParser.Package pkg = mPackages.get(pkgName); 3712 if (pkg != null) { 3713 return mProviders.queryIntentForPackage( 3714 intent, resolvedType, flags, pkg.providers, userId); 3715 } 3716 return null; 3717 } 3718 } 3719 3720 @Override 3721 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3722 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3723 3724 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3725 3726 // writer 3727 synchronized (mPackages) { 3728 ArrayList<PackageInfo> list; 3729 if (listUninstalled) { 3730 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3731 for (PackageSetting ps : mSettings.mPackages.values()) { 3732 PackageInfo pi; 3733 if (ps.pkg != null) { 3734 pi = generatePackageInfo(ps.pkg, flags, userId); 3735 } else { 3736 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3737 } 3738 if (pi != null) { 3739 list.add(pi); 3740 } 3741 } 3742 } else { 3743 list = new ArrayList<PackageInfo>(mPackages.size()); 3744 for (PackageParser.Package p : mPackages.values()) { 3745 PackageInfo pi = generatePackageInfo(p, flags, userId); 3746 if (pi != null) { 3747 list.add(pi); 3748 } 3749 } 3750 } 3751 3752 return new ParceledListSlice<PackageInfo>(list); 3753 } 3754 } 3755 3756 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3757 String[] permissions, boolean[] tmp, int flags, int userId) { 3758 int numMatch = 0; 3759 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3760 for (int i=0; i<permissions.length; i++) { 3761 if (gp.grantedPermissions.contains(permissions[i])) { 3762 tmp[i] = true; 3763 numMatch++; 3764 } else { 3765 tmp[i] = false; 3766 } 3767 } 3768 if (numMatch == 0) { 3769 return; 3770 } 3771 PackageInfo pi; 3772 if (ps.pkg != null) { 3773 pi = generatePackageInfo(ps.pkg, flags, userId); 3774 } else { 3775 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3776 } 3777 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3778 if (numMatch == permissions.length) { 3779 pi.requestedPermissions = permissions; 3780 } else { 3781 pi.requestedPermissions = new String[numMatch]; 3782 numMatch = 0; 3783 for (int i=0; i<permissions.length; i++) { 3784 if (tmp[i]) { 3785 pi.requestedPermissions[numMatch] = permissions[i]; 3786 numMatch++; 3787 } 3788 } 3789 } 3790 } 3791 list.add(pi); 3792 } 3793 3794 @Override 3795 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3796 String[] permissions, int flags, int userId) { 3797 if (!sUserManager.exists(userId)) return null; 3798 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3799 3800 // writer 3801 synchronized (mPackages) { 3802 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3803 boolean[] tmpBools = new boolean[permissions.length]; 3804 if (listUninstalled) { 3805 for (PackageSetting ps : mSettings.mPackages.values()) { 3806 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3807 } 3808 } else { 3809 for (PackageParser.Package pkg : mPackages.values()) { 3810 PackageSetting ps = (PackageSetting)pkg.mExtras; 3811 if (ps != null) { 3812 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3813 userId); 3814 } 3815 } 3816 } 3817 3818 return new ParceledListSlice<PackageInfo>(list); 3819 } 3820 } 3821 3822 @Override 3823 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3824 if (!sUserManager.exists(userId)) return null; 3825 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3826 3827 // writer 3828 synchronized (mPackages) { 3829 ArrayList<ApplicationInfo> list; 3830 if (listUninstalled) { 3831 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3832 for (PackageSetting ps : mSettings.mPackages.values()) { 3833 ApplicationInfo ai; 3834 if (ps.pkg != null) { 3835 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3836 ps.readUserState(userId), userId); 3837 } else { 3838 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3839 } 3840 if (ai != null) { 3841 list.add(ai); 3842 } 3843 } 3844 } else { 3845 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3846 for (PackageParser.Package p : mPackages.values()) { 3847 if (p.mExtras != null) { 3848 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3849 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3850 if (ai != null) { 3851 list.add(ai); 3852 } 3853 } 3854 } 3855 } 3856 3857 return new ParceledListSlice<ApplicationInfo>(list); 3858 } 3859 } 3860 3861 public List<ApplicationInfo> getPersistentApplications(int flags) { 3862 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3863 3864 // reader 3865 synchronized (mPackages) { 3866 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3867 final int userId = UserHandle.getCallingUserId(); 3868 while (i.hasNext()) { 3869 final PackageParser.Package p = i.next(); 3870 if (p.applicationInfo != null 3871 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3872 && (!mSafeMode || isSystemApp(p))) { 3873 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3874 if (ps != null) { 3875 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3876 ps.readUserState(userId), userId); 3877 if (ai != null) { 3878 finalList.add(ai); 3879 } 3880 } 3881 } 3882 } 3883 } 3884 3885 return finalList; 3886 } 3887 3888 @Override 3889 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3890 if (!sUserManager.exists(userId)) return null; 3891 // reader 3892 synchronized (mPackages) { 3893 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3894 PackageSetting ps = provider != null 3895 ? mSettings.mPackages.get(provider.owner.packageName) 3896 : null; 3897 return ps != null 3898 && mSettings.isEnabledLPr(provider.info, flags, userId) 3899 && (!mSafeMode || (provider.info.applicationInfo.flags 3900 &ApplicationInfo.FLAG_SYSTEM) != 0) 3901 ? PackageParser.generateProviderInfo(provider, flags, 3902 ps.readUserState(userId), userId) 3903 : null; 3904 } 3905 } 3906 3907 /** 3908 * @deprecated 3909 */ 3910 @Deprecated 3911 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3912 // reader 3913 synchronized (mPackages) { 3914 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3915 .entrySet().iterator(); 3916 final int userId = UserHandle.getCallingUserId(); 3917 while (i.hasNext()) { 3918 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3919 PackageParser.Provider p = entry.getValue(); 3920 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3921 3922 if (ps != null && p.syncable 3923 && (!mSafeMode || (p.info.applicationInfo.flags 3924 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3925 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3926 ps.readUserState(userId), userId); 3927 if (info != null) { 3928 outNames.add(entry.getKey()); 3929 outInfo.add(info); 3930 } 3931 } 3932 } 3933 } 3934 } 3935 3936 @Override 3937 public List<ProviderInfo> queryContentProviders(String processName, 3938 int uid, int flags) { 3939 ArrayList<ProviderInfo> finalList = null; 3940 // reader 3941 synchronized (mPackages) { 3942 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3943 final int userId = processName != null ? 3944 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3945 while (i.hasNext()) { 3946 final PackageParser.Provider p = i.next(); 3947 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3948 if (ps != null && p.info.authority != null 3949 && (processName == null 3950 || (p.info.processName.equals(processName) 3951 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3952 && mSettings.isEnabledLPr(p.info, flags, userId) 3953 && (!mSafeMode 3954 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3955 if (finalList == null) { 3956 finalList = new ArrayList<ProviderInfo>(3); 3957 } 3958 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3959 ps.readUserState(userId), userId); 3960 if (info != null) { 3961 finalList.add(info); 3962 } 3963 } 3964 } 3965 } 3966 3967 if (finalList != null) { 3968 Collections.sort(finalList, mProviderInitOrderSorter); 3969 } 3970 3971 return finalList; 3972 } 3973 3974 @Override 3975 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3976 int flags) { 3977 // reader 3978 synchronized (mPackages) { 3979 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3980 return PackageParser.generateInstrumentationInfo(i, flags); 3981 } 3982 } 3983 3984 @Override 3985 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3986 int flags) { 3987 ArrayList<InstrumentationInfo> finalList = 3988 new ArrayList<InstrumentationInfo>(); 3989 3990 // reader 3991 synchronized (mPackages) { 3992 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3993 while (i.hasNext()) { 3994 final PackageParser.Instrumentation p = i.next(); 3995 if (targetPackage == null 3996 || targetPackage.equals(p.info.targetPackage)) { 3997 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3998 flags); 3999 if (ii != null) { 4000 finalList.add(ii); 4001 } 4002 } 4003 } 4004 } 4005 4006 return finalList; 4007 } 4008 4009 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4010 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4011 if (overlays == null) { 4012 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4013 return; 4014 } 4015 for (PackageParser.Package opkg : overlays.values()) { 4016 // Not much to do if idmap fails: we already logged the error 4017 // and we certainly don't want to abort installation of pkg simply 4018 // because an overlay didn't fit properly. For these reasons, 4019 // ignore the return value of createIdmapForPackagePairLI. 4020 createIdmapForPackagePairLI(pkg, opkg); 4021 } 4022 } 4023 4024 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4025 PackageParser.Package opkg) { 4026 if (!opkg.mTrustedOverlay) { 4027 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4028 opkg.baseCodePath + ": overlay not trusted"); 4029 return false; 4030 } 4031 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4032 if (overlaySet == null) { 4033 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4034 opkg.baseCodePath + " but target package has no known overlays"); 4035 return false; 4036 } 4037 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4038 // TODO: generate idmap for split APKs 4039 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4040 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4041 + opkg.baseCodePath); 4042 return false; 4043 } 4044 PackageParser.Package[] overlayArray = 4045 overlaySet.values().toArray(new PackageParser.Package[0]); 4046 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4047 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4048 return p1.mOverlayPriority - p2.mOverlayPriority; 4049 } 4050 }; 4051 Arrays.sort(overlayArray, cmp); 4052 4053 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4054 int i = 0; 4055 for (PackageParser.Package p : overlayArray) { 4056 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4057 } 4058 return true; 4059 } 4060 4061 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4062 final File[] files = dir.listFiles(); 4063 if (ArrayUtils.isEmpty(files)) { 4064 Log.d(TAG, "No files in app dir " + dir); 4065 return; 4066 } 4067 4068 if (DEBUG_PACKAGE_SCANNING) { 4069 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4070 + " flags=0x" + Integer.toHexString(flags)); 4071 } 4072 4073 for (File file : files) { 4074 final boolean isPackage = isApkFile(file) || file.isDirectory(); 4075 if (!isPackage) { 4076 // Ignore entries which are not apk's 4077 continue; 4078 } 4079 try { 4080 scanPackageLI(file, flags | PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, 4081 null, null); 4082 } catch (PackageManagerException e) { 4083 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4084 4085 // Don't mess around with apps in system partition. 4086 if ((flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4087 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4088 // Delete the apk 4089 Slog.w(TAG, "Cleaning up failed install of " + file); 4090 file.delete(); 4091 } 4092 } 4093 } 4094 } 4095 4096 private static File getSettingsProblemFile() { 4097 File dataDir = Environment.getDataDirectory(); 4098 File systemDir = new File(dataDir, "system"); 4099 File fname = new File(systemDir, "uiderrors.txt"); 4100 return fname; 4101 } 4102 4103 static void reportSettingsProblem(int priority, String msg) { 4104 try { 4105 File fname = getSettingsProblemFile(); 4106 FileOutputStream out = new FileOutputStream(fname, true); 4107 PrintWriter pw = new FastPrintWriter(out); 4108 SimpleDateFormat formatter = new SimpleDateFormat(); 4109 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4110 pw.println(dateString + ": " + msg); 4111 pw.close(); 4112 FileUtils.setPermissions( 4113 fname.toString(), 4114 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4115 -1, -1); 4116 } catch (java.io.IOException e) { 4117 } 4118 Slog.println(priority, TAG, msg); 4119 } 4120 4121 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4122 PackageParser.Package pkg, File srcFile, int parseFlags) 4123 throws PackageManagerException { 4124 if (ps != null 4125 && ps.codePath.equals(srcFile) 4126 && ps.timeStamp == srcFile.lastModified() 4127 && !isCompatSignatureUpdateNeeded(pkg)) { 4128 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4129 if (ps.signatures.mSignatures != null 4130 && ps.signatures.mSignatures.length != 0 4131 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4132 // Optimization: reuse the existing cached certificates 4133 // if the package appears to be unchanged. 4134 pkg.mSignatures = ps.signatures.mSignatures; 4135 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4136 synchronized (mPackages) { 4137 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4138 } 4139 return; 4140 } 4141 4142 Slog.w(TAG, "PackageSetting for " + ps.name 4143 + " is missing signatures. Collecting certs again to recover them."); 4144 } else { 4145 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4146 } 4147 4148 try { 4149 pp.collectCertificates(pkg, parseFlags); 4150 pp.collectManifestDigest(pkg); 4151 } catch (PackageParserException e) { 4152 throw new PackageManagerException(e.error, "Failed to collect certificates for " 4153 + pkg.packageName + ": " + e.getMessage()); 4154 } 4155 } 4156 4157 /* 4158 * Scan a package and return the newly parsed package. 4159 * Returns null in case of errors and the error code is stored in mLastScanError 4160 */ 4161 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanMode, 4162 long currentTime, UserHandle user, String abiOverride) throws PackageManagerException { 4163 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4164 parseFlags |= mDefParseFlags; 4165 PackageParser pp = new PackageParser(); 4166 pp.setSeparateProcesses(mSeparateProcesses); 4167 pp.setOnlyCoreApps(mOnlyCore); 4168 pp.setDisplayMetrics(mMetrics); 4169 4170 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4171 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4172 } 4173 4174 final PackageParser.Package pkg; 4175 try { 4176 pkg = pp.parsePackage(scanFile, parseFlags); 4177 } catch (PackageParserException e) { 4178 throw new PackageManagerException(e.error, 4179 "Failed to scan " + scanFile + ": " + e.getMessage()); 4180 } 4181 4182 PackageSetting ps = null; 4183 PackageSetting updatedPkg; 4184 // reader 4185 synchronized (mPackages) { 4186 // Look to see if we already know about this package. 4187 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4188 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4189 // This package has been renamed to its original name. Let's 4190 // use that. 4191 ps = mSettings.peekPackageLPr(oldName); 4192 } 4193 // If there was no original package, see one for the real package name. 4194 if (ps == null) { 4195 ps = mSettings.peekPackageLPr(pkg.packageName); 4196 } 4197 // Check to see if this package could be hiding/updating a system 4198 // package. Must look for it either under the original or real 4199 // package name depending on our state. 4200 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4201 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4202 } 4203 boolean updatedPkgBetter = false; 4204 // First check if this is a system package that may involve an update 4205 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4206 if (ps != null && !ps.codePath.equals(scanFile)) { 4207 // The path has changed from what was last scanned... check the 4208 // version of the new path against what we have stored to determine 4209 // what to do. 4210 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4211 if (pkg.mVersionCode < ps.versionCode) { 4212 // The system package has been updated and the code path does not match 4213 // Ignore entry. Skip it. 4214 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4215 + " ignored: updated version " + ps.versionCode 4216 + " better than this " + pkg.mVersionCode); 4217 if (!updatedPkg.codePath.equals(scanFile)) { 4218 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4219 + ps.name + " changing from " + updatedPkg.codePathString 4220 + " to " + scanFile); 4221 updatedPkg.codePath = scanFile; 4222 updatedPkg.codePathString = scanFile.toString(); 4223 // This is the point at which we know that the system-disk APK 4224 // for this package has moved during a reboot (e.g. due to an OTA), 4225 // so we need to reevaluate it for privilege policy. 4226 if (locationIsPrivileged(scanFile)) { 4227 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4228 } 4229 } 4230 updatedPkg.pkg = pkg; 4231 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4232 } else { 4233 // The current app on the system partition is better than 4234 // what we have updated to on the data partition; switch 4235 // back to the system partition version. 4236 // At this point, its safely assumed that package installation for 4237 // apps in system partition will go through. If not there won't be a working 4238 // version of the app 4239 // writer 4240 synchronized (mPackages) { 4241 // Just remove the loaded entries from package lists. 4242 mPackages.remove(ps.name); 4243 } 4244 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4245 + "reverting from " + ps.codePathString 4246 + ": new version " + pkg.mVersionCode 4247 + " better than installed " + ps.versionCode); 4248 4249 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4250 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4251 getAppDexInstructionSets(ps), isMultiArch(ps)); 4252 synchronized (mInstallLock) { 4253 args.cleanUpResourcesLI(); 4254 } 4255 synchronized (mPackages) { 4256 mSettings.enableSystemPackageLPw(ps.name); 4257 } 4258 updatedPkgBetter = true; 4259 } 4260 } 4261 } 4262 4263 if (updatedPkg != null) { 4264 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4265 // initially 4266 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4267 4268 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4269 // flag set initially 4270 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4271 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4272 } 4273 } 4274 4275 // Verify certificates against what was last scanned 4276 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4277 4278 /* 4279 * A new system app appeared, but we already had a non-system one of the 4280 * same name installed earlier. 4281 */ 4282 boolean shouldHideSystemApp = false; 4283 if (updatedPkg == null && ps != null 4284 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4285 /* 4286 * Check to make sure the signatures match first. If they don't, 4287 * wipe the installed application and its data. 4288 */ 4289 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4290 != PackageManager.SIGNATURE_MATCH) { 4291 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4292 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4293 ps = null; 4294 } else { 4295 /* 4296 * If the newly-added system app is an older version than the 4297 * already installed version, hide it. It will be scanned later 4298 * and re-added like an update. 4299 */ 4300 if (pkg.mVersionCode < ps.versionCode) { 4301 shouldHideSystemApp = true; 4302 } else { 4303 /* 4304 * The newly found system app is a newer version that the 4305 * one previously installed. Simply remove the 4306 * already-installed application and replace it with our own 4307 * while keeping the application data. 4308 */ 4309 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4310 + ps.codePathString + ": new version " + pkg.mVersionCode 4311 + " better than installed " + ps.versionCode); 4312 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4313 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4314 getAppDexInstructionSets(ps), isMultiArch(ps)); 4315 synchronized (mInstallLock) { 4316 args.cleanUpResourcesLI(); 4317 } 4318 } 4319 } 4320 } 4321 4322 // The apk is forward locked (not public) if its code and resources 4323 // are kept in different files. (except for app in either system or 4324 // vendor path). 4325 // TODO grab this value from PackageSettings 4326 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4327 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4328 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4329 } 4330 } 4331 4332 // TODO: extend to support forward-locked splits 4333 String resourcePath = null; 4334 String baseResourcePath = null; 4335 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4336 if (ps != null && ps.resourcePathString != null) { 4337 resourcePath = ps.resourcePathString; 4338 baseResourcePath = ps.resourcePathString; 4339 } else { 4340 // Should not happen at all. Just log an error. 4341 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4342 } 4343 } else { 4344 resourcePath = pkg.codePath; 4345 baseResourcePath = pkg.baseCodePath; 4346 } 4347 4348 // Set application objects path explicitly. 4349 pkg.applicationInfo.setCodePath(pkg.codePath); 4350 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4351 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4352 pkg.applicationInfo.setResourcePath(resourcePath); 4353 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4354 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4355 4356 // Note that we invoke the following method only if we are about to unpack an application 4357 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4358 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4359 4360 /* 4361 * If the system app should be overridden by a previously installed 4362 * data, hide the system app now and let the /data/app scan pick it up 4363 * again. 4364 */ 4365 if (shouldHideSystemApp) { 4366 synchronized (mPackages) { 4367 /* 4368 * We have to grant systems permissions before we hide, because 4369 * grantPermissions will assume the package update is trying to 4370 * expand its permissions. 4371 */ 4372 grantPermissionsLPw(pkg, true); 4373 mSettings.disableSystemPackageLPw(pkg.packageName); 4374 } 4375 } 4376 4377 return scannedPkg; 4378 } 4379 4380 private static String fixProcessName(String defProcessName, 4381 String processName, int uid) { 4382 if (processName == null) { 4383 return defProcessName; 4384 } 4385 return processName; 4386 } 4387 4388 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4389 throws PackageManagerException { 4390 if (pkgSetting.signatures.mSignatures != null) { 4391 // Already existing package. Make sure signatures match 4392 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4393 == PackageManager.SIGNATURE_MATCH; 4394 if (!match) { 4395 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4396 == PackageManager.SIGNATURE_MATCH; 4397 } 4398 if (!match) { 4399 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4400 + pkg.packageName + " signatures do not match the " 4401 + "previously installed version; ignoring!"); 4402 } 4403 } 4404 4405 // Check for shared user signatures 4406 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4407 // Already existing package. Make sure signatures match 4408 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4409 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4410 if (!match) { 4411 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4412 == PackageManager.SIGNATURE_MATCH; 4413 } 4414 if (!match) { 4415 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4416 "Package " + pkg.packageName 4417 + " has no signatures that match those in shared user " 4418 + pkgSetting.sharedUser.name + "; ignoring!"); 4419 } 4420 } 4421 } 4422 4423 /** 4424 * Enforces that only the system UID or root's UID can call a method exposed 4425 * via Binder. 4426 * 4427 * @param message used as message if SecurityException is thrown 4428 * @throws SecurityException if the caller is not system or root 4429 */ 4430 private static final void enforceSystemOrRoot(String message) { 4431 final int uid = Binder.getCallingUid(); 4432 if (uid != Process.SYSTEM_UID && uid != 0) { 4433 throw new SecurityException(message); 4434 } 4435 } 4436 4437 @Override 4438 public void performBootDexOpt() { 4439 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4440 4441 final HashSet<PackageParser.Package> pkgs; 4442 synchronized (mPackages) { 4443 pkgs = mDeferredDexOpt; 4444 mDeferredDexOpt = null; 4445 } 4446 4447 if (pkgs != null) { 4448 // Filter out packages that aren't recently used. 4449 // 4450 // The exception is first boot of a non-eng device, which 4451 // should do a full dexopt. 4452 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4453 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4454 // TODO: add a property to control this? 4455 long dexOptLRUThresholdInMinutes; 4456 if (eng) { 4457 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4458 } else { 4459 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4460 } 4461 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4462 4463 int total = pkgs.size(); 4464 int skipped = 0; 4465 long now = System.currentTimeMillis(); 4466 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4467 PackageParser.Package pkg = i.next(); 4468 long then = pkg.mLastPackageUsageTimeInMills; 4469 if (then + dexOptLRUThresholdInMills < now) { 4470 if (DEBUG_DEXOPT) { 4471 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4472 ((then == 0) ? "never" : new Date(then))); 4473 } 4474 i.remove(); 4475 skipped++; 4476 } 4477 } 4478 if (DEBUG_DEXOPT) { 4479 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4480 } 4481 } 4482 4483 int i = 0; 4484 for (PackageParser.Package pkg : pkgs) { 4485 i++; 4486 if (DEBUG_DEXOPT) { 4487 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4488 + ": " + pkg.packageName); 4489 } 4490 if (!isFirstBoot()) { 4491 try { 4492 ActivityManagerNative.getDefault().showBootMessage( 4493 mContext.getResources().getString( 4494 R.string.android_upgrading_apk, 4495 i, pkgs.size()), true); 4496 } catch (RemoteException e) { 4497 } 4498 } 4499 PackageParser.Package p = pkg; 4500 synchronized (mInstallLock) { 4501 performDexOptLI(p, null /* instruction sets */, false /* force dex */, false /* defer */, 4502 true /* include dependencies */); 4503 } 4504 } 4505 } 4506 } 4507 4508 @Override 4509 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4510 return performDexOpt(packageName, instructionSet, true); 4511 } 4512 4513 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4514 if (info.primaryCpuAbi == null) { 4515 return getPreferredInstructionSet(); 4516 } 4517 4518 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4519 } 4520 4521 public boolean performDexOpt(String packageName, String instructionSet, boolean updateUsage) { 4522 PackageParser.Package p; 4523 final String targetInstructionSet; 4524 synchronized (mPackages) { 4525 p = mPackages.get(packageName); 4526 if (p == null) { 4527 return false; 4528 } 4529 if (updateUsage) { 4530 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4531 } 4532 mPackageUsage.write(false); 4533 4534 targetInstructionSet = instructionSet != null ? instructionSet : 4535 getPrimaryInstructionSet(p.applicationInfo); 4536 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4537 return false; 4538 } 4539 } 4540 4541 synchronized (mInstallLock) { 4542 final String[] instructionSets = new String[] { targetInstructionSet }; 4543 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4544 true /* include dependencies */) == DEX_OPT_PERFORMED; 4545 } 4546 } 4547 4548 public HashSet<String> getPackagesThatNeedDexOpt() { 4549 HashSet<String> pkgs = null; 4550 synchronized (mPackages) { 4551 for (PackageParser.Package p : mPackages.values()) { 4552 if (DEBUG_DEXOPT) { 4553 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4554 } 4555 if (!p.mDexOptPerformed.isEmpty()) { 4556 continue; 4557 } 4558 if (pkgs == null) { 4559 pkgs = new HashSet<String>(); 4560 } 4561 pkgs.add(p.packageName); 4562 } 4563 } 4564 return pkgs; 4565 } 4566 4567 public void shutdown() { 4568 mPackageUsage.write(true); 4569 } 4570 4571 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4572 boolean forceDex, boolean defer, HashSet<String> done) { 4573 for (int i=0; i<libs.size(); i++) { 4574 PackageParser.Package libPkg; 4575 String libName; 4576 synchronized (mPackages) { 4577 libName = libs.get(i); 4578 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4579 if (lib != null && lib.apk != null) { 4580 libPkg = mPackages.get(lib.apk); 4581 } else { 4582 libPkg = null; 4583 } 4584 } 4585 if (libPkg != null && !done.contains(libName)) { 4586 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4587 } 4588 } 4589 } 4590 4591 static final int DEX_OPT_SKIPPED = 0; 4592 static final int DEX_OPT_PERFORMED = 1; 4593 static final int DEX_OPT_DEFERRED = 2; 4594 static final int DEX_OPT_FAILED = -1; 4595 4596 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4597 boolean forceDex, boolean defer, HashSet<String> done) { 4598 final String[] instructionSets = targetInstructionSets != null ? 4599 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4600 4601 if (done != null) { 4602 done.add(pkg.packageName); 4603 if (pkg.usesLibraries != null) { 4604 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4605 } 4606 if (pkg.usesOptionalLibraries != null) { 4607 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4608 } 4609 } 4610 4611 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4612 return DEX_OPT_SKIPPED; 4613 } 4614 4615 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4616 boolean performedDexOpt = false; 4617 // There are three basic cases here: 4618 // 1.) we need to dexopt, either because we are forced or it is needed 4619 // 2.) we are defering a needed dexopt 4620 // 3.) we are skipping an unneeded dexopt 4621 for (String path : paths) { 4622 for (String instructionSet : instructionSets) { 4623 if (!forceDex && pkg.mDexOptPerformed.contains(instructionSet)) { 4624 continue; 4625 } 4626 4627 try { 4628 final boolean isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4629 pkg.packageName, instructionSet, defer); 4630 if (forceDex || (!defer && isDexOptNeeded)) { 4631 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4632 + pkg.applicationInfo.packageName + " isa=" + instructionSet); 4633 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4634 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4635 pkg.packageName, instructionSet); 4636 4637 if (ret < 0) { 4638 // Don't bother running dexopt again if we failed, it will probably 4639 // just result in an error again. Also, don't bother dexopting for other 4640 // paths & ISAs. 4641 return DEX_OPT_FAILED; 4642 } else { 4643 performedDexOpt = true; 4644 pkg.mDexOptPerformed.add(instructionSet); 4645 } 4646 } 4647 4648 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4649 // paths and instruction sets. We'll deal with them all together when we process 4650 // our list of deferred dexopts. 4651 if (defer && isDexOptNeeded) { 4652 if (mDeferredDexOpt == null) { 4653 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4654 } 4655 mDeferredDexOpt.add(pkg); 4656 return DEX_OPT_DEFERRED; 4657 } 4658 } catch (FileNotFoundException e) { 4659 Slog.w(TAG, "Apk not found for dexopt: " + path); 4660 return DEX_OPT_FAILED; 4661 } catch (IOException e) { 4662 Slog.w(TAG, "IOException reading apk: " + path, e); 4663 return DEX_OPT_FAILED; 4664 } catch (StaleDexCacheError e) { 4665 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4666 return DEX_OPT_FAILED; 4667 } catch (Exception e) { 4668 Slog.w(TAG, "Exception when doing dexopt : ", e); 4669 return DEX_OPT_FAILED; 4670 } 4671 } 4672 } 4673 4674 // If we've gotten here, we're sure that no error occurred and that we haven't 4675 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4676 // we've skipped all of them because they are up to date. In both cases this 4677 // package doesn't need dexopt any longer. 4678 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4679 } 4680 4681 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4682 if (info.primaryCpuAbi != null) { 4683 if (info.secondaryCpuAbi != null) { 4684 return new String[] { 4685 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4686 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4687 } else { 4688 return new String[] { 4689 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4690 } 4691 } 4692 4693 return new String[] { getPreferredInstructionSet() }; 4694 } 4695 4696 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4697 if (ps.primaryCpuAbiString != null) { 4698 if (ps.secondaryCpuAbiString != null) { 4699 return new String[] { 4700 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4701 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4702 } else { 4703 return new String[] { 4704 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4705 } 4706 } 4707 4708 return new String[] { getPreferredInstructionSet() }; 4709 } 4710 4711 private static String getPreferredInstructionSet() { 4712 if (sPreferredInstructionSet == null) { 4713 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4714 } 4715 4716 return sPreferredInstructionSet; 4717 } 4718 4719 private static List<String> getAllInstructionSets() { 4720 final String[] allAbis = Build.SUPPORTED_ABIS; 4721 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4722 4723 for (String abi : allAbis) { 4724 final String instructionSet = VMRuntime.getInstructionSet(abi); 4725 if (!allInstructionSets.contains(instructionSet)) { 4726 allInstructionSets.add(instructionSet); 4727 } 4728 } 4729 4730 return allInstructionSets; 4731 } 4732 4733 @Override 4734 public void forceDexOpt(String packageName) { 4735 enforceSystemOrRoot("forceDexOpt"); 4736 4737 PackageParser.Package pkg; 4738 synchronized (mPackages) { 4739 pkg = mPackages.get(packageName); 4740 if (pkg == null) { 4741 throw new IllegalArgumentException("Missing package: " + packageName); 4742 } 4743 } 4744 4745 synchronized (mInstallLock) { 4746 final String[] instructionSets = new String[] { 4747 getPrimaryInstructionSet(pkg.applicationInfo) }; 4748 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4749 if (res != DEX_OPT_PERFORMED) { 4750 throw new IllegalStateException("Failed to dexopt: " + res); 4751 } 4752 } 4753 } 4754 4755 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4756 boolean forceDex, boolean defer, boolean inclDependencies) { 4757 HashSet<String> done; 4758 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4759 done = new HashSet<String>(); 4760 done.add(pkg.packageName); 4761 } else { 4762 done = null; 4763 } 4764 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4765 } 4766 4767 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4768 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4769 Slog.w(TAG, "Unable to update from " + oldPkg.name 4770 + " to " + newPkg.packageName 4771 + ": old package not in system partition"); 4772 return false; 4773 } else if (mPackages.get(oldPkg.name) != null) { 4774 Slog.w(TAG, "Unable to update from " + oldPkg.name 4775 + " to " + newPkg.packageName 4776 + ": old package still exists"); 4777 return false; 4778 } 4779 return true; 4780 } 4781 4782 File getDataPathForUser(int userId) { 4783 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4784 } 4785 4786 private File getDataPathForPackage(String packageName, int userId) { 4787 /* 4788 * Until we fully support multiple users, return the directory we 4789 * previously would have. The PackageManagerTests will need to be 4790 * revised when this is changed back.. 4791 */ 4792 if (userId == 0) { 4793 return new File(mAppDataDir, packageName); 4794 } else { 4795 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4796 + File.separator + packageName); 4797 } 4798 } 4799 4800 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4801 int[] users = sUserManager.getUserIds(); 4802 int res = mInstaller.install(packageName, uid, uid, seinfo); 4803 if (res < 0) { 4804 return res; 4805 } 4806 for (int user : users) { 4807 if (user != 0) { 4808 res = mInstaller.createUserData(packageName, 4809 UserHandle.getUid(user, uid), user, seinfo); 4810 if (res < 0) { 4811 return res; 4812 } 4813 } 4814 } 4815 return res; 4816 } 4817 4818 private int removeDataDirsLI(String packageName) { 4819 int[] users = sUserManager.getUserIds(); 4820 int res = 0; 4821 for (int user : users) { 4822 int resInner = mInstaller.remove(packageName, user); 4823 if (resInner < 0) { 4824 res = resInner; 4825 } 4826 } 4827 4828 return res; 4829 } 4830 4831 private int deleteCodeCacheDirsLI(String packageName) { 4832 int[] users = sUserManager.getUserIds(); 4833 int res = 0; 4834 for (int user : users) { 4835 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4836 if (resInner < 0) { 4837 res = resInner; 4838 } 4839 } 4840 return res; 4841 } 4842 4843 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4844 PackageParser.Package changingLib) { 4845 if (file.path != null) { 4846 usesLibraryFiles.add(file.path); 4847 return; 4848 } 4849 PackageParser.Package p = mPackages.get(file.apk); 4850 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4851 // If we are doing this while in the middle of updating a library apk, 4852 // then we need to make sure to use that new apk for determining the 4853 // dependencies here. (We haven't yet finished committing the new apk 4854 // to the package manager state.) 4855 if (p == null || p.packageName.equals(changingLib.packageName)) { 4856 p = changingLib; 4857 } 4858 } 4859 if (p != null) { 4860 usesLibraryFiles.addAll(p.getAllCodePaths()); 4861 } 4862 } 4863 4864 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4865 PackageParser.Package changingLib) throws PackageManagerException { 4866 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4867 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4868 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4869 for (int i=0; i<N; i++) { 4870 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4871 if (file == null) { 4872 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4873 "Package " + pkg.packageName + " requires unavailable shared library " 4874 + pkg.usesLibraries.get(i) + "; failing!"); 4875 } 4876 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4877 } 4878 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4879 for (int i=0; i<N; i++) { 4880 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4881 if (file == null) { 4882 Slog.w(TAG, "Package " + pkg.packageName 4883 + " desires unavailable shared library " 4884 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4885 } else { 4886 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4887 } 4888 } 4889 N = usesLibraryFiles.size(); 4890 if (N > 0) { 4891 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4892 } else { 4893 pkg.usesLibraryFiles = null; 4894 } 4895 } 4896 } 4897 4898 private static boolean hasString(List<String> list, List<String> which) { 4899 if (list == null) { 4900 return false; 4901 } 4902 for (int i=list.size()-1; i>=0; i--) { 4903 for (int j=which.size()-1; j>=0; j--) { 4904 if (which.get(j).equals(list.get(i))) { 4905 return true; 4906 } 4907 } 4908 } 4909 return false; 4910 } 4911 4912 private void updateAllSharedLibrariesLPw() { 4913 for (PackageParser.Package pkg : mPackages.values()) { 4914 try { 4915 updateSharedLibrariesLPw(pkg, null); 4916 } catch (PackageManagerException e) { 4917 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4918 } 4919 } 4920 } 4921 4922 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4923 PackageParser.Package changingPkg) { 4924 ArrayList<PackageParser.Package> res = null; 4925 for (PackageParser.Package pkg : mPackages.values()) { 4926 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4927 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4928 if (res == null) { 4929 res = new ArrayList<PackageParser.Package>(); 4930 } 4931 res.add(pkg); 4932 try { 4933 updateSharedLibrariesLPw(pkg, changingPkg); 4934 } catch (PackageManagerException e) { 4935 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4936 } 4937 } 4938 } 4939 return res; 4940 } 4941 4942 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 4943 int scanMode, long currentTime, UserHandle user, String abiOverride) 4944 throws PackageManagerException { 4945 final File scanFile = new File(pkg.codePath); 4946 if (pkg.applicationInfo.getCodePath() == null || 4947 pkg.applicationInfo.getResourcePath() == null) { 4948 // Bail out. The resource and code paths haven't been set. 4949 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 4950 "Code and resource paths haven't been set correctly"); 4951 } 4952 4953 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4954 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4955 } 4956 4957 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4958 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4959 } 4960 4961 if (mCustomResolverComponentName != null && 4962 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4963 setUpCustomResolverActivity(pkg); 4964 } 4965 4966 if (pkg.packageName.equals("android")) { 4967 synchronized (mPackages) { 4968 if (mAndroidApplication != null) { 4969 Slog.w(TAG, "*************************************************"); 4970 Slog.w(TAG, "Core android package being redefined. Skipping."); 4971 Slog.w(TAG, " file=" + scanFile); 4972 Slog.w(TAG, "*************************************************"); 4973 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 4974 "Core android package being redefined. Skipping."); 4975 } 4976 4977 // Set up information for our fall-back user intent resolution activity. 4978 mPlatformPackage = pkg; 4979 pkg.mVersionCode = mSdkVersion; 4980 mAndroidApplication = pkg.applicationInfo; 4981 4982 if (!mResolverReplaced) { 4983 mResolveActivity.applicationInfo = mAndroidApplication; 4984 mResolveActivity.name = ResolverActivity.class.getName(); 4985 mResolveActivity.packageName = mAndroidApplication.packageName; 4986 mResolveActivity.processName = "system:ui"; 4987 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4988 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4989 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4990 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4991 mResolveActivity.exported = true; 4992 mResolveActivity.enabled = true; 4993 mResolveInfo.activityInfo = mResolveActivity; 4994 mResolveInfo.priority = 0; 4995 mResolveInfo.preferredOrder = 0; 4996 mResolveInfo.match = 0; 4997 mResolveComponentName = new ComponentName( 4998 mAndroidApplication.packageName, mResolveActivity.name); 4999 } 5000 } 5001 } 5002 5003 if (DEBUG_PACKAGE_SCANNING) { 5004 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5005 Log.d(TAG, "Scanning package " + pkg.packageName); 5006 } 5007 5008 if (mPackages.containsKey(pkg.packageName) 5009 || mSharedLibraries.containsKey(pkg.packageName)) { 5010 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5011 "Application package " + pkg.packageName 5012 + " already installed. Skipping duplicate."); 5013 } 5014 5015 // Initialize package source and resource directories 5016 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5017 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5018 5019 SharedUserSetting suid = null; 5020 PackageSetting pkgSetting = null; 5021 5022 if (!isSystemApp(pkg)) { 5023 // Only system apps can use these features. 5024 pkg.mOriginalPackages = null; 5025 pkg.mRealPackage = null; 5026 pkg.mAdoptPermissions = null; 5027 } 5028 5029 // writer 5030 synchronized (mPackages) { 5031 if (pkg.mSharedUserId != null) { 5032 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5033 if (suid == null) { 5034 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5035 "Creating application package " + pkg.packageName 5036 + " for shared user failed"); 5037 } 5038 if (DEBUG_PACKAGE_SCANNING) { 5039 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5040 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5041 + "): packages=" + suid.packages); 5042 } 5043 } 5044 5045 // Check if we are renaming from an original package name. 5046 PackageSetting origPackage = null; 5047 String realName = null; 5048 if (pkg.mOriginalPackages != null) { 5049 // This package may need to be renamed to a previously 5050 // installed name. Let's check on that... 5051 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5052 if (pkg.mOriginalPackages.contains(renamed)) { 5053 // This package had originally been installed as the 5054 // original name, and we have already taken care of 5055 // transitioning to the new one. Just update the new 5056 // one to continue using the old name. 5057 realName = pkg.mRealPackage; 5058 if (!pkg.packageName.equals(renamed)) { 5059 // Callers into this function may have already taken 5060 // care of renaming the package; only do it here if 5061 // it is not already done. 5062 pkg.setPackageName(renamed); 5063 } 5064 5065 } else { 5066 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5067 if ((origPackage = mSettings.peekPackageLPr( 5068 pkg.mOriginalPackages.get(i))) != null) { 5069 // We do have the package already installed under its 5070 // original name... should we use it? 5071 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5072 // New package is not compatible with original. 5073 origPackage = null; 5074 continue; 5075 } else if (origPackage.sharedUser != null) { 5076 // Make sure uid is compatible between packages. 5077 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5078 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5079 + " to " + pkg.packageName + ": old uid " 5080 + origPackage.sharedUser.name 5081 + " differs from " + pkg.mSharedUserId); 5082 origPackage = null; 5083 continue; 5084 } 5085 } else { 5086 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5087 + pkg.packageName + " to old name " + origPackage.name); 5088 } 5089 break; 5090 } 5091 } 5092 } 5093 } 5094 5095 if (mTransferedPackages.contains(pkg.packageName)) { 5096 Slog.w(TAG, "Package " + pkg.packageName 5097 + " was transferred to another, but its .apk remains"); 5098 } 5099 5100 // Just create the setting, don't add it yet. For already existing packages 5101 // the PkgSetting exists already and doesn't have to be created. 5102 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5103 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5104 pkg.applicationInfo.primaryCpuAbi, 5105 pkg.applicationInfo.secondaryCpuAbi, 5106 pkg.applicationInfo.flags, user, false); 5107 if (pkgSetting == null) { 5108 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5109 "Creating application package " + pkg.packageName + " failed"); 5110 } 5111 5112 if (pkgSetting.origPackage != null) { 5113 // If we are first transitioning from an original package, 5114 // fix up the new package's name now. We need to do this after 5115 // looking up the package under its new name, so getPackageLP 5116 // can take care of fiddling things correctly. 5117 pkg.setPackageName(origPackage.name); 5118 5119 // File a report about this. 5120 String msg = "New package " + pkgSetting.realName 5121 + " renamed to replace old package " + pkgSetting.name; 5122 reportSettingsProblem(Log.WARN, msg); 5123 5124 // Make a note of it. 5125 mTransferedPackages.add(origPackage.name); 5126 5127 // No longer need to retain this. 5128 pkgSetting.origPackage = null; 5129 } 5130 5131 if (realName != null) { 5132 // Make a note of it. 5133 mTransferedPackages.add(pkg.packageName); 5134 } 5135 5136 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5137 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5138 } 5139 5140 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5141 // Check all shared libraries and map to their actual file path. 5142 // We only do this here for apps not on a system dir, because those 5143 // are the only ones that can fail an install due to this. We 5144 // will take care of the system apps by updating all of their 5145 // library paths after the scan is done. 5146 updateSharedLibrariesLPw(pkg, null); 5147 } 5148 5149 if (mFoundPolicyFile) { 5150 SELinuxMMAC.assignSeinfoValue(pkg); 5151 } 5152 5153 pkg.applicationInfo.uid = pkgSetting.appId; 5154 pkg.mExtras = pkgSetting; 5155 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5156 try { 5157 verifySignaturesLP(pkgSetting, pkg); 5158 } catch (PackageManagerException e) { 5159 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5160 throw e; 5161 } 5162 // The signature has changed, but this package is in the system 5163 // image... let's recover! 5164 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5165 // However... if this package is part of a shared user, but it 5166 // doesn't match the signature of the shared user, let's fail. 5167 // What this means is that you can't change the signatures 5168 // associated with an overall shared user, which doesn't seem all 5169 // that unreasonable. 5170 if (pkgSetting.sharedUser != null) { 5171 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5172 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5173 throw new PackageManagerException( 5174 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5175 "Signature mismatch for shared user : " 5176 + pkgSetting.sharedUser); 5177 } 5178 } 5179 // File a report about this. 5180 String msg = "System package " + pkg.packageName 5181 + " signature changed; retaining data."; 5182 reportSettingsProblem(Log.WARN, msg); 5183 } 5184 } else { 5185 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5186 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5187 + pkg.packageName + " upgrade keys do not match the " 5188 + "previously installed version"); 5189 } else { 5190 // signatures may have changed as result of upgrade 5191 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5192 } 5193 } 5194 // Verify that this new package doesn't have any content providers 5195 // that conflict with existing packages. Only do this if the 5196 // package isn't already installed, since we don't want to break 5197 // things that are installed. 5198 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5199 final int N = pkg.providers.size(); 5200 int i; 5201 for (i=0; i<N; i++) { 5202 PackageParser.Provider p = pkg.providers.get(i); 5203 if (p.info.authority != null) { 5204 String names[] = p.info.authority.split(";"); 5205 for (int j = 0; j < names.length; j++) { 5206 if (mProvidersByAuthority.containsKey(names[j])) { 5207 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5208 final String otherPackageName = 5209 ((other != null && other.getComponentName() != null) ? 5210 other.getComponentName().getPackageName() : "?"); 5211 throw new PackageManagerException( 5212 INSTALL_FAILED_CONFLICTING_PROVIDER, 5213 "Can't install because provider name " + names[j] 5214 + " (in package " + pkg.applicationInfo.packageName 5215 + ") is already used by " + otherPackageName); 5216 } 5217 } 5218 } 5219 } 5220 } 5221 5222 if (pkg.mAdoptPermissions != null) { 5223 // This package wants to adopt ownership of permissions from 5224 // another package. 5225 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5226 final String origName = pkg.mAdoptPermissions.get(i); 5227 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5228 if (orig != null) { 5229 if (verifyPackageUpdateLPr(orig, pkg)) { 5230 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5231 + pkg.packageName); 5232 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5233 } 5234 } 5235 } 5236 } 5237 } 5238 5239 final String pkgName = pkg.packageName; 5240 5241 final long scanFileTime = scanFile.lastModified(); 5242 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5243 pkg.applicationInfo.processName = fixProcessName( 5244 pkg.applicationInfo.packageName, 5245 pkg.applicationInfo.processName, 5246 pkg.applicationInfo.uid); 5247 5248 File dataPath; 5249 if (mPlatformPackage == pkg) { 5250 // The system package is special. 5251 dataPath = new File (Environment.getDataDirectory(), "system"); 5252 pkg.applicationInfo.dataDir = dataPath.getPath(); 5253 5254 } else { 5255 // This is a normal package, need to make its data directory. 5256 dataPath = getDataPathForPackage(pkg.packageName, 0); 5257 5258 boolean uidError = false; 5259 5260 if (dataPath.exists()) { 5261 int currentUid = 0; 5262 try { 5263 StructStat stat = Os.stat(dataPath.getPath()); 5264 currentUid = stat.st_uid; 5265 } catch (ErrnoException e) { 5266 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5267 } 5268 5269 // If we have mismatched owners for the data path, we have a problem. 5270 if (currentUid != pkg.applicationInfo.uid) { 5271 boolean recovered = false; 5272 if (currentUid == 0) { 5273 // The directory somehow became owned by root. Wow. 5274 // This is probably because the system was stopped while 5275 // installd was in the middle of messing with its libs 5276 // directory. Ask installd to fix that. 5277 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5278 pkg.applicationInfo.uid); 5279 if (ret >= 0) { 5280 recovered = true; 5281 String msg = "Package " + pkg.packageName 5282 + " unexpectedly changed to uid 0; recovered to " + 5283 + pkg.applicationInfo.uid; 5284 reportSettingsProblem(Log.WARN, msg); 5285 } 5286 } 5287 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5288 || (scanMode&SCAN_BOOTING) != 0)) { 5289 // If this is a system app, we can at least delete its 5290 // current data so the application will still work. 5291 int ret = removeDataDirsLI(pkgName); 5292 if (ret >= 0) { 5293 // TODO: Kill the processes first 5294 // Old data gone! 5295 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5296 ? "System package " : "Third party package "; 5297 String msg = prefix + pkg.packageName 5298 + " has changed from uid: " 5299 + currentUid + " to " 5300 + pkg.applicationInfo.uid + "; old data erased"; 5301 reportSettingsProblem(Log.WARN, msg); 5302 recovered = true; 5303 5304 // And now re-install the app. 5305 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5306 pkg.applicationInfo.seinfo); 5307 if (ret == -1) { 5308 // Ack should not happen! 5309 msg = prefix + pkg.packageName 5310 + " could not have data directory re-created after delete."; 5311 reportSettingsProblem(Log.WARN, msg); 5312 throw new PackageManagerException( 5313 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5314 } 5315 } 5316 if (!recovered) { 5317 mHasSystemUidErrors = true; 5318 } 5319 } else if (!recovered) { 5320 // If we allow this install to proceed, we will be broken. 5321 // Abort, abort! 5322 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5323 "scanPackageLI"); 5324 } 5325 if (!recovered) { 5326 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5327 + pkg.applicationInfo.uid + "/fs_" 5328 + currentUid; 5329 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5330 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5331 String msg = "Package " + pkg.packageName 5332 + " has mismatched uid: " 5333 + currentUid + " on disk, " 5334 + pkg.applicationInfo.uid + " in settings"; 5335 // writer 5336 synchronized (mPackages) { 5337 mSettings.mReadMessages.append(msg); 5338 mSettings.mReadMessages.append('\n'); 5339 uidError = true; 5340 if (!pkgSetting.uidError) { 5341 reportSettingsProblem(Log.ERROR, msg); 5342 } 5343 } 5344 } 5345 } 5346 pkg.applicationInfo.dataDir = dataPath.getPath(); 5347 if (mShouldRestoreconData) { 5348 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5349 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5350 pkg.applicationInfo.uid); 5351 } 5352 } else { 5353 if (DEBUG_PACKAGE_SCANNING) { 5354 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5355 Log.v(TAG, "Want this data dir: " + dataPath); 5356 } 5357 //invoke installer to do the actual installation 5358 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5359 pkg.applicationInfo.seinfo); 5360 if (ret < 0) { 5361 // Error from installer 5362 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5363 "Unable to create data dirs [errorCode=" + ret + "]"); 5364 } 5365 5366 if (dataPath.exists()) { 5367 pkg.applicationInfo.dataDir = dataPath.getPath(); 5368 } else { 5369 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5370 pkg.applicationInfo.dataDir = null; 5371 } 5372 } 5373 5374 pkgSetting.uidError = uidError; 5375 } 5376 5377 final String path = scanFile.getPath(); 5378 final String codePath = pkg.applicationInfo.getCodePath(); 5379 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5380 // For the case where we had previously uninstalled an update, get rid 5381 // of any native binaries we might have unpackaged. Note that this assumes 5382 // that system app updates were not installed via ASEC. 5383 // 5384 // TODO(multiArch): Is this cleanup really necessary ? 5385 NativeLibraryHelper.removeNativeBinariesFromDirLI( 5386 new File(codePath, LIB_DIR_NAME), false /* delete dirs */); 5387 setBundledAppAbisAndRoots(pkg, pkgSetting); 5388 5389 // If we haven't found any native libraries for the app, check if it has 5390 // renderscript code. We'll need to force the app to 32 bit if it has 5391 // renderscript bitcode. 5392 if (pkg.applicationInfo.primaryCpuAbi == null 5393 && pkg.applicationInfo.secondaryCpuAbi == null 5394 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5395 NativeLibraryHelper.Handle handle = null; 5396 try { 5397 handle = NativeLibraryHelper.Handle.create(scanFile); 5398 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5399 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5400 } 5401 } catch (IOException ioe) { 5402 Slog.w(TAG, "Error scanning system app : " + ioe); 5403 } finally { 5404 IoUtils.closeQuietly(handle); 5405 } 5406 } 5407 5408 setNativeLibraryPaths(pkg); 5409 } else { 5410 // TODO: We can probably be smarter about this stuff. For installed apps, 5411 // we can calculate this information at install time once and for all. For 5412 // system apps, we can probably assume that this information doesn't change 5413 // after the first boot scan. As things stand, we do lots of unnecessary work. 5414 5415 // Give ourselves some initial paths; we'll come back for another 5416 // pass once we've determined ABI below. 5417 setNativeLibraryPaths(pkg); 5418 5419 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5420 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5421 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5422 5423 NativeLibraryHelper.Handle handle = null; 5424 try { 5425 handle = NativeLibraryHelper.Handle.create(scanFile); 5426 // TODO(multiArch): This can be null for apps that didn't go through the 5427 // usual installation process. We can calculate it again, like we 5428 // do during install time. 5429 // 5430 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5431 // unnecessary. 5432 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5433 5434 // Null out the abis so that they can be recalculated. 5435 pkg.applicationInfo.primaryCpuAbi = null; 5436 pkg.applicationInfo.secondaryCpuAbi = null; 5437 if (isMultiArch(pkg.applicationInfo)) { 5438 // Warn if we've set an abiOverride for multi-lib packages.. 5439 // By definition, we need to copy both 32 and 64 bit libraries for 5440 // such packages. 5441 if (abiOverride != null) { 5442 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5443 } 5444 5445 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5446 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5447 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5448 if (isAsec) { 5449 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5450 } else { 5451 abi32 = copyNativeLibrariesForInternalApp(handle, 5452 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, useIsaSpecificSubdirs); 5453 } 5454 } 5455 5456 maybeThrowExceptionForMultiArchCopy( 5457 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5458 5459 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5460 if (isAsec) { 5461 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5462 } else { 5463 abi64 = copyNativeLibrariesForInternalApp(handle, 5464 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, useIsaSpecificSubdirs); 5465 } 5466 } 5467 5468 maybeThrowExceptionForMultiArchCopy( 5469 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5470 5471 if (abi64 >= 0) { 5472 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5473 } 5474 5475 if (abi32 >= 0) { 5476 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5477 if (abi64 >= 0) { 5478 pkg.applicationInfo.secondaryCpuAbi = abi; 5479 } else { 5480 pkg.applicationInfo.primaryCpuAbi = abi; 5481 } 5482 } 5483 } else { 5484 String[] abiList = (abiOverride != null) ? 5485 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 5486 5487 // Enable gross and lame hacks for apps that are built with old 5488 // SDK tools. We must scan their APKs for renderscript bitcode and 5489 // not launch them if it's present. Don't bother checking on devices 5490 // that don't have 64 bit support. 5491 boolean needsRenderScriptOverride = false; 5492 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 5493 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5494 abiList = Build.SUPPORTED_32_BIT_ABIS; 5495 needsRenderScriptOverride = true; 5496 } 5497 5498 final int copyRet; 5499 if (isAsec) { 5500 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5501 } else { 5502 copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryRoot, abiList, 5503 useIsaSpecificSubdirs); 5504 } 5505 5506 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5507 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5508 "Error unpackaging native libs for app, errorCode=" + copyRet); 5509 } 5510 5511 if (copyRet >= 0) { 5512 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5513 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && abiOverride != null) { 5514 pkg.applicationInfo.primaryCpuAbi = abiOverride; 5515 } else if (needsRenderScriptOverride) { 5516 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5517 } 5518 } 5519 } catch (IOException ioe) { 5520 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5521 } finally { 5522 IoUtils.closeQuietly(handle); 5523 } 5524 5525 // Now that we've calculated the ABIs and determined if it's an internal app, 5526 // we will go ahead and populate the nativeLibraryPath. 5527 setNativeLibraryPaths(pkg); 5528 5529 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5530 final int[] userIds = sUserManager.getUserIds(); 5531 synchronized (mInstallLock) { 5532 // Create a native library symlink only if we have native libraries 5533 // and if the native libraries are 32 bit libraries. We do not provide 5534 // this symlink for 64 bit libraries. 5535 if (pkg.applicationInfo.primaryCpuAbi != null && 5536 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5537 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5538 for (int userId : userIds) { 5539 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5540 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5541 "Failed linking native library dir (user=" + userId + ")"); 5542 } 5543 } 5544 } 5545 } 5546 } 5547 5548 // This is a special case for the "system" package, where the ABI is 5549 // dictated by the zygote configuration (and init.rc). We should keep track 5550 // of this ABI so that we can deal with "normal" applications that run under 5551 // the same UID correctly. 5552 if (mPlatformPackage == pkg) { 5553 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5554 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5555 } 5556 5557 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5558 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5559 5560 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5561 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5562 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5563 5564 // Push the derived path down into PackageSettings so we know what to 5565 // clean up at uninstall time. 5566 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5567 5568 if (DEBUG_ABI_SELECTION) { 5569 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5570 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5571 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5572 } 5573 5574 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5575 // We don't do this here during boot because we can do it all 5576 // at once after scanning all existing packages. 5577 // 5578 // We also do this *before* we perform dexopt on this package, so that 5579 // we can avoid redundant dexopts, and also to make sure we've got the 5580 // code and package path correct. 5581 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5582 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5583 } 5584 5585 if ((scanMode&SCAN_NO_DEX) == 0) { 5586 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5587 == DEX_OPT_FAILED) { 5588 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5589 removeDataDirsLI(pkg.packageName); 5590 } 5591 5592 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5593 } 5594 } 5595 5596 if (mFactoryTest && pkg.requestedPermissions.contains( 5597 android.Manifest.permission.FACTORY_TEST)) { 5598 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5599 } 5600 5601 ArrayList<PackageParser.Package> clientLibPkgs = null; 5602 5603 // writer 5604 synchronized (mPackages) { 5605 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5606 // Only system apps can add new shared libraries. 5607 if (pkg.libraryNames != null) { 5608 for (int i=0; i<pkg.libraryNames.size(); i++) { 5609 String name = pkg.libraryNames.get(i); 5610 boolean allowed = false; 5611 if (isUpdatedSystemApp(pkg)) { 5612 // New library entries can only be added through the 5613 // system image. This is important to get rid of a lot 5614 // of nasty edge cases: for example if we allowed a non- 5615 // system update of the app to add a library, then uninstalling 5616 // the update would make the library go away, and assumptions 5617 // we made such as through app install filtering would now 5618 // have allowed apps on the device which aren't compatible 5619 // with it. Better to just have the restriction here, be 5620 // conservative, and create many fewer cases that can negatively 5621 // impact the user experience. 5622 final PackageSetting sysPs = mSettings 5623 .getDisabledSystemPkgLPr(pkg.packageName); 5624 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5625 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5626 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5627 allowed = true; 5628 allowed = true; 5629 break; 5630 } 5631 } 5632 } 5633 } else { 5634 allowed = true; 5635 } 5636 if (allowed) { 5637 if (!mSharedLibraries.containsKey(name)) { 5638 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5639 } else if (!name.equals(pkg.packageName)) { 5640 Slog.w(TAG, "Package " + pkg.packageName + " library " 5641 + name + " already exists; skipping"); 5642 } 5643 } else { 5644 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5645 + name + " that is not declared on system image; skipping"); 5646 } 5647 } 5648 if ((scanMode&SCAN_BOOTING) == 0) { 5649 // If we are not booting, we need to update any applications 5650 // that are clients of our shared library. If we are booting, 5651 // this will all be done once the scan is complete. 5652 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5653 } 5654 } 5655 } 5656 } 5657 5658 // We also need to dexopt any apps that are dependent on this library. Note that 5659 // if these fail, we should abort the install since installing the library will 5660 // result in some apps being broken. 5661 if (clientLibPkgs != null) { 5662 if ((scanMode&SCAN_NO_DEX) == 0) { 5663 for (int i=0; i<clientLibPkgs.size(); i++) { 5664 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5665 if (performDexOptLI(clientPkg, null /* instruction sets */, 5666 forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5667 == DEX_OPT_FAILED) { 5668 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5669 removeDataDirsLI(pkg.packageName); 5670 } 5671 5672 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5673 "scanPackageLI failed to dexopt clientLibPkgs"); 5674 } 5675 } 5676 } 5677 } 5678 5679 // Request the ActivityManager to kill the process(only for existing packages) 5680 // so that we do not end up in a confused state while the user is still using the older 5681 // version of the application while the new one gets installed. 5682 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5683 // If the package lives in an asec, tell everyone that the container is going 5684 // away so they can clean up any references to its resources (which would prevent 5685 // vold from being able to unmount the asec) 5686 if (isForwardLocked(pkg) || isExternal(pkg)) { 5687 if (DEBUG_INSTALL) { 5688 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5689 } 5690 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5691 final ArrayList<String> pkgList = new ArrayList<String>(1); 5692 pkgList.add(pkg.applicationInfo.packageName); 5693 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5694 } 5695 5696 // Post the request that it be killed now that the going-away broadcast is en route 5697 killApplication(pkg.applicationInfo.packageName, 5698 pkg.applicationInfo.uid, "update pkg"); 5699 } 5700 5701 // Also need to kill any apps that are dependent on the library. 5702 if (clientLibPkgs != null) { 5703 for (int i=0; i<clientLibPkgs.size(); i++) { 5704 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5705 killApplication(clientPkg.applicationInfo.packageName, 5706 clientPkg.applicationInfo.uid, "update lib"); 5707 } 5708 } 5709 5710 // writer 5711 synchronized (mPackages) { 5712 // We don't expect installation to fail beyond this point, 5713 if ((scanMode&SCAN_MONITOR) != 0) { 5714 mAppDirs.put(pkg.codePath, pkg); 5715 } 5716 // Add the new setting to mSettings 5717 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5718 // Add the new setting to mPackages 5719 mPackages.put(pkg.applicationInfo.packageName, pkg); 5720 // Make sure we don't accidentally delete its data. 5721 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5722 while (iter.hasNext()) { 5723 PackageCleanItem item = iter.next(); 5724 if (pkgName.equals(item.packageName)) { 5725 iter.remove(); 5726 } 5727 } 5728 5729 // Take care of first install / last update times. 5730 if (currentTime != 0) { 5731 if (pkgSetting.firstInstallTime == 0) { 5732 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5733 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5734 pkgSetting.lastUpdateTime = currentTime; 5735 } 5736 } else if (pkgSetting.firstInstallTime == 0) { 5737 // We need *something*. Take time time stamp of the file. 5738 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5739 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5740 if (scanFileTime != pkgSetting.timeStamp) { 5741 // A package on the system image has changed; consider this 5742 // to be an update. 5743 pkgSetting.lastUpdateTime = scanFileTime; 5744 } 5745 } 5746 5747 // Add the package's KeySets to the global KeySetManagerService 5748 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5749 try { 5750 // Old KeySetData no longer valid. 5751 ksms.removeAppKeySetDataLPw(pkg.packageName); 5752 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5753 if (pkg.mKeySetMapping != null) { 5754 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5755 pkg.mKeySetMapping.entrySet()) { 5756 if (entry.getValue() != null) { 5757 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5758 entry.getValue(), entry.getKey()); 5759 } 5760 } 5761 if (pkg.mUpgradeKeySets != null) { 5762 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5763 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5764 } 5765 } 5766 } 5767 } catch (NullPointerException e) { 5768 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5769 } catch (IllegalArgumentException e) { 5770 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5771 } 5772 5773 int N = pkg.providers.size(); 5774 StringBuilder r = null; 5775 int i; 5776 for (i=0; i<N; i++) { 5777 PackageParser.Provider p = pkg.providers.get(i); 5778 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5779 p.info.processName, pkg.applicationInfo.uid); 5780 mProviders.addProvider(p); 5781 p.syncable = p.info.isSyncable; 5782 if (p.info.authority != null) { 5783 String names[] = p.info.authority.split(";"); 5784 p.info.authority = null; 5785 for (int j = 0; j < names.length; j++) { 5786 if (j == 1 && p.syncable) { 5787 // We only want the first authority for a provider to possibly be 5788 // syncable, so if we already added this provider using a different 5789 // authority clear the syncable flag. We copy the provider before 5790 // changing it because the mProviders object contains a reference 5791 // to a provider that we don't want to change. 5792 // Only do this for the second authority since the resulting provider 5793 // object can be the same for all future authorities for this provider. 5794 p = new PackageParser.Provider(p); 5795 p.syncable = false; 5796 } 5797 if (!mProvidersByAuthority.containsKey(names[j])) { 5798 mProvidersByAuthority.put(names[j], p); 5799 if (p.info.authority == null) { 5800 p.info.authority = names[j]; 5801 } else { 5802 p.info.authority = p.info.authority + ";" + names[j]; 5803 } 5804 if (DEBUG_PACKAGE_SCANNING) { 5805 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5806 Log.d(TAG, "Registered content provider: " + names[j] 5807 + ", className = " + p.info.name + ", isSyncable = " 5808 + p.info.isSyncable); 5809 } 5810 } else { 5811 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5812 Slog.w(TAG, "Skipping provider name " + names[j] + 5813 " (in package " + pkg.applicationInfo.packageName + 5814 "): name already used by " 5815 + ((other != null && other.getComponentName() != null) 5816 ? other.getComponentName().getPackageName() : "?")); 5817 } 5818 } 5819 } 5820 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5821 if (r == null) { 5822 r = new StringBuilder(256); 5823 } else { 5824 r.append(' '); 5825 } 5826 r.append(p.info.name); 5827 } 5828 } 5829 if (r != null) { 5830 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5831 } 5832 5833 N = pkg.services.size(); 5834 r = null; 5835 for (i=0; i<N; i++) { 5836 PackageParser.Service s = pkg.services.get(i); 5837 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5838 s.info.processName, pkg.applicationInfo.uid); 5839 mServices.addService(s); 5840 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5841 if (r == null) { 5842 r = new StringBuilder(256); 5843 } else { 5844 r.append(' '); 5845 } 5846 r.append(s.info.name); 5847 } 5848 } 5849 if (r != null) { 5850 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5851 } 5852 5853 N = pkg.receivers.size(); 5854 r = null; 5855 for (i=0; i<N; i++) { 5856 PackageParser.Activity a = pkg.receivers.get(i); 5857 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5858 a.info.processName, pkg.applicationInfo.uid); 5859 mReceivers.addActivity(a, "receiver"); 5860 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5861 if (r == null) { 5862 r = new StringBuilder(256); 5863 } else { 5864 r.append(' '); 5865 } 5866 r.append(a.info.name); 5867 } 5868 } 5869 if (r != null) { 5870 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5871 } 5872 5873 N = pkg.activities.size(); 5874 r = null; 5875 for (i=0; i<N; i++) { 5876 PackageParser.Activity a = pkg.activities.get(i); 5877 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5878 a.info.processName, pkg.applicationInfo.uid); 5879 mActivities.addActivity(a, "activity"); 5880 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5881 if (r == null) { 5882 r = new StringBuilder(256); 5883 } else { 5884 r.append(' '); 5885 } 5886 r.append(a.info.name); 5887 } 5888 } 5889 if (r != null) { 5890 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5891 } 5892 5893 N = pkg.permissionGroups.size(); 5894 r = null; 5895 for (i=0; i<N; i++) { 5896 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5897 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5898 if (cur == null) { 5899 mPermissionGroups.put(pg.info.name, pg); 5900 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5901 if (r == null) { 5902 r = new StringBuilder(256); 5903 } else { 5904 r.append(' '); 5905 } 5906 r.append(pg.info.name); 5907 } 5908 } else { 5909 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5910 + pg.info.packageName + " ignored: original from " 5911 + cur.info.packageName); 5912 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5913 if (r == null) { 5914 r = new StringBuilder(256); 5915 } else { 5916 r.append(' '); 5917 } 5918 r.append("DUP:"); 5919 r.append(pg.info.name); 5920 } 5921 } 5922 } 5923 if (r != null) { 5924 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5925 } 5926 5927 N = pkg.permissions.size(); 5928 r = null; 5929 for (i=0; i<N; i++) { 5930 PackageParser.Permission p = pkg.permissions.get(i); 5931 HashMap<String, BasePermission> permissionMap = 5932 p.tree ? mSettings.mPermissionTrees 5933 : mSettings.mPermissions; 5934 p.group = mPermissionGroups.get(p.info.group); 5935 if (p.info.group == null || p.group != null) { 5936 BasePermission bp = permissionMap.get(p.info.name); 5937 if (bp == null) { 5938 bp = new BasePermission(p.info.name, p.info.packageName, 5939 BasePermission.TYPE_NORMAL); 5940 permissionMap.put(p.info.name, bp); 5941 } 5942 if (bp.perm == null) { 5943 if (bp.sourcePackage != null 5944 && !bp.sourcePackage.equals(p.info.packageName)) { 5945 // If this is a permission that was formerly defined by a non-system 5946 // app, but is now defined by a system app (following an upgrade), 5947 // discard the previous declaration and consider the system's to be 5948 // canonical. 5949 if (isSystemApp(p.owner)) { 5950 String msg = "New decl " + p.owner + " of permission " 5951 + p.info.name + " is system"; 5952 reportSettingsProblem(Log.WARN, msg); 5953 bp.sourcePackage = null; 5954 } 5955 } 5956 if (bp.sourcePackage == null 5957 || bp.sourcePackage.equals(p.info.packageName)) { 5958 BasePermission tree = findPermissionTreeLP(p.info.name); 5959 if (tree == null 5960 || tree.sourcePackage.equals(p.info.packageName)) { 5961 bp.packageSetting = pkgSetting; 5962 bp.perm = p; 5963 bp.uid = pkg.applicationInfo.uid; 5964 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5965 if (r == null) { 5966 r = new StringBuilder(256); 5967 } else { 5968 r.append(' '); 5969 } 5970 r.append(p.info.name); 5971 } 5972 } else { 5973 Slog.w(TAG, "Permission " + p.info.name + " from package " 5974 + p.info.packageName + " ignored: base tree " 5975 + tree.name + " is from package " 5976 + tree.sourcePackage); 5977 } 5978 } else { 5979 Slog.w(TAG, "Permission " + p.info.name + " from package " 5980 + p.info.packageName + " ignored: original from " 5981 + bp.sourcePackage); 5982 } 5983 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5984 if (r == null) { 5985 r = new StringBuilder(256); 5986 } else { 5987 r.append(' '); 5988 } 5989 r.append("DUP:"); 5990 r.append(p.info.name); 5991 } 5992 if (bp.perm == p) { 5993 bp.protectionLevel = p.info.protectionLevel; 5994 } 5995 } else { 5996 Slog.w(TAG, "Permission " + p.info.name + " from package " 5997 + p.info.packageName + " ignored: no group " 5998 + p.group); 5999 } 6000 } 6001 if (r != null) { 6002 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6003 } 6004 6005 N = pkg.instrumentation.size(); 6006 r = null; 6007 for (i=0; i<N; i++) { 6008 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6009 a.info.packageName = pkg.applicationInfo.packageName; 6010 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6011 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6012 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6013 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6014 a.info.dataDir = pkg.applicationInfo.dataDir; 6015 6016 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6017 // need other information about the application, like the ABI and what not ? 6018 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6019 mInstrumentation.put(a.getComponentName(), a); 6020 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6021 if (r == null) { 6022 r = new StringBuilder(256); 6023 } else { 6024 r.append(' '); 6025 } 6026 r.append(a.info.name); 6027 } 6028 } 6029 if (r != null) { 6030 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6031 } 6032 6033 if (pkg.protectedBroadcasts != null) { 6034 N = pkg.protectedBroadcasts.size(); 6035 for (i=0; i<N; i++) { 6036 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6037 } 6038 } 6039 6040 pkgSetting.setTimeStamp(scanFileTime); 6041 6042 // Create idmap files for pairs of (packages, overlay packages). 6043 // Note: "android", ie framework-res.apk, is handled by native layers. 6044 if (pkg.mOverlayTarget != null) { 6045 // This is an overlay package. 6046 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6047 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6048 mOverlays.put(pkg.mOverlayTarget, 6049 new HashMap<String, PackageParser.Package>()); 6050 } 6051 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6052 map.put(pkg.packageName, pkg); 6053 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6054 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6055 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6056 "scanPackageLI failed to createIdmap"); 6057 } 6058 } 6059 } else if (mOverlays.containsKey(pkg.packageName) && 6060 !pkg.packageName.equals("android")) { 6061 // This is a regular package, with one or more known overlay packages. 6062 createIdmapsForPackageLI(pkg); 6063 } 6064 } 6065 6066 return pkg; 6067 } 6068 6069 /** 6070 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6071 * i.e, so that all packages can be run inside a single process if required. 6072 * 6073 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6074 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6075 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6076 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6077 * updating a package that belongs to a shared user. 6078 * 6079 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6080 * adds unnecessary complexity. 6081 */ 6082 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6083 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6084 String requiredInstructionSet = null; 6085 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6086 requiredInstructionSet = VMRuntime.getInstructionSet( 6087 scannedPackage.applicationInfo.primaryCpuAbi); 6088 } 6089 6090 PackageSetting requirer = null; 6091 for (PackageSetting ps : packagesForUser) { 6092 // If packagesForUser contains scannedPackage, we skip it. This will happen 6093 // when scannedPackage is an update of an existing package. Without this check, 6094 // we will never be able to change the ABI of any package belonging to a shared 6095 // user, even if it's compatible with other packages. 6096 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6097 if (ps.primaryCpuAbiString == null) { 6098 continue; 6099 } 6100 6101 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6102 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6103 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6104 // this but there's not much we can do. 6105 String errorMessage = "Instruction set mismatch, " 6106 + ((requirer == null) ? "[caller]" : requirer) 6107 + " requires " + requiredInstructionSet + " whereas " + ps 6108 + " requires " + instructionSet; 6109 Slog.w(TAG, errorMessage); 6110 } 6111 6112 if (requiredInstructionSet == null) { 6113 requiredInstructionSet = instructionSet; 6114 requirer = ps; 6115 } 6116 } 6117 } 6118 6119 if (requiredInstructionSet != null) { 6120 String adjustedAbi; 6121 if (requirer != null) { 6122 // requirer != null implies that either scannedPackage was null or that scannedPackage 6123 // did not require an ABI, in which case we have to adjust scannedPackage to match 6124 // the ABI of the set (which is the same as requirer's ABI) 6125 adjustedAbi = requirer.primaryCpuAbiString; 6126 if (scannedPackage != null) { 6127 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6128 } 6129 } else { 6130 // requirer == null implies that we're updating all ABIs in the set to 6131 // match scannedPackage. 6132 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6133 } 6134 6135 for (PackageSetting ps : packagesForUser) { 6136 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6137 if (ps.primaryCpuAbiString != null) { 6138 continue; 6139 } 6140 6141 ps.primaryCpuAbiString = adjustedAbi; 6142 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6143 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6144 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6145 6146 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6147 deferDexOpt, true) == DEX_OPT_FAILED) { 6148 ps.primaryCpuAbiString = null; 6149 ps.pkg.applicationInfo.primaryCpuAbi = null; 6150 return; 6151 } else { 6152 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6153 } 6154 } 6155 } 6156 } 6157 } 6158 } 6159 6160 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6161 synchronized (mPackages) { 6162 mResolverReplaced = true; 6163 // Set up information for custom user intent resolution activity. 6164 mResolveActivity.applicationInfo = pkg.applicationInfo; 6165 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6166 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6167 mResolveActivity.processName = null; 6168 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6169 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6170 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6171 mResolveActivity.theme = 0; 6172 mResolveActivity.exported = true; 6173 mResolveActivity.enabled = true; 6174 mResolveInfo.activityInfo = mResolveActivity; 6175 mResolveInfo.priority = 0; 6176 mResolveInfo.preferredOrder = 0; 6177 mResolveInfo.match = 0; 6178 mResolveComponentName = mCustomResolverComponentName; 6179 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6180 mResolveComponentName); 6181 } 6182 } 6183 6184 private static String calculateApkRoot(final String codePathString) { 6185 final File codePath = new File(codePathString); 6186 final File codeRoot; 6187 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6188 codeRoot = Environment.getRootDirectory(); 6189 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6190 codeRoot = Environment.getOemDirectory(); 6191 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6192 codeRoot = Environment.getVendorDirectory(); 6193 } else { 6194 // Unrecognized code path; take its top real segment as the apk root: 6195 // e.g. /something/app/blah.apk => /something 6196 try { 6197 File f = codePath.getCanonicalFile(); 6198 File parent = f.getParentFile(); // non-null because codePath is a file 6199 File tmp; 6200 while ((tmp = parent.getParentFile()) != null) { 6201 f = parent; 6202 parent = tmp; 6203 } 6204 codeRoot = f; 6205 Slog.w(TAG, "Unrecognized code path " 6206 + codePath + " - using " + codeRoot); 6207 } catch (IOException e) { 6208 // Can't canonicalize the code path -- shenanigans? 6209 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6210 return Environment.getRootDirectory().getPath(); 6211 } 6212 } 6213 return codeRoot.getPath(); 6214 } 6215 6216 /** 6217 * Derive and set the location of native libraries for the given package, 6218 * which varies depending on where and how the package was installed. 6219 */ 6220 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6221 final ApplicationInfo info = pkg.applicationInfo; 6222 final String codePath = pkg.codePath; 6223 final File codeFile = new File(codePath); 6224 // If "/system/lib64/apkname" exists, assume that is the per-package 6225 // native library directory to use; otherwise use "/system/lib/apkname". 6226 final String apkRoot = calculateApkRoot(info.sourceDir); 6227 6228 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6229 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6230 6231 6232 info.nativeLibraryRootDir = null; 6233 info.nativeLibraryRootRequiresIsa = false; 6234 info.nativeLibraryDir = null; 6235 info.secondaryNativeLibraryDir = null; 6236 6237 if (isApkFile(codeFile)) { 6238 // Monolithic install 6239 if (bundledApp) { 6240 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6241 getPrimaryInstructionSet(info)); 6242 6243 // This is a bundled system app so choose the path based on the ABI. 6244 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6245 // is just the default path. 6246 final String apkName = deriveCodePathName(codePath); 6247 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6248 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6249 apkName).getAbsolutePath(); 6250 6251 if (info.secondaryCpuAbi != null) { 6252 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6253 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6254 secondaryLibDir, apkName).getAbsolutePath(); 6255 } 6256 } else if (asecApp) { 6257 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6258 .getAbsolutePath(); 6259 } else { 6260 final String apkName = deriveCodePathName(codePath); 6261 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6262 .getAbsolutePath(); 6263 } 6264 6265 info.nativeLibraryRootRequiresIsa = false; 6266 info.nativeLibraryDir = info.nativeLibraryRootDir; 6267 } else { 6268 // Cluster install 6269 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6270 info.nativeLibraryRootRequiresIsa = true; 6271 6272 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6273 getPrimaryInstructionSet(info)).getAbsolutePath(); 6274 6275 if (info.secondaryCpuAbi != null) { 6276 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6277 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6278 } 6279 } 6280 } 6281 6282 /** 6283 * Calculate the abis and roots for a bundled app. These can uniquely 6284 * be determined from the contents of the system partition, i.e whether 6285 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6286 * of this information, and instead assume that the system was built 6287 * sensibly. 6288 */ 6289 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6290 PackageSetting pkgSetting) { 6291 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6292 6293 // If "/system/lib64/apkname" exists, assume that is the per-package 6294 // native library directory to use; otherwise use "/system/lib/apkname". 6295 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6296 setBundledAppAbi(pkg, apkRoot, apkName); 6297 // pkgSetting might be null during rescan following uninstall of updates 6298 // to a bundled app, so accommodate that possibility. The settings in 6299 // that case will be established later from the parsed package. 6300 // 6301 // If the settings aren't null, sync them up with what we've just derived. 6302 // note that apkRoot isn't stored in the package settings. 6303 if (pkgSetting != null) { 6304 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6305 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6306 } 6307 } 6308 6309 /** 6310 * Deduces the ABI of a bundled app and sets the relevant fields on the 6311 * parsed pkg object. 6312 * 6313 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6314 * under which system libraries are installed. 6315 * @param apkName the name of the installed package. 6316 */ 6317 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6318 final File codeFile = new File(pkg.codePath); 6319 6320 final boolean has64BitLibs; 6321 final boolean has32BitLibs; 6322 if (isApkFile(codeFile)) { 6323 // Monolithic install 6324 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6325 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6326 } else { 6327 // Cluster install 6328 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6329 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6330 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6331 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6332 has64BitLibs = (new File(rootDir, isa)).exists(); 6333 } else { 6334 has64BitLibs = false; 6335 } 6336 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6337 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6338 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6339 has32BitLibs = (new File(rootDir, isa)).exists(); 6340 } else { 6341 has32BitLibs = false; 6342 } 6343 } 6344 6345 if (has64BitLibs && !has32BitLibs) { 6346 // The package has 64 bit libs, but not 32 bit libs. Its primary 6347 // ABI should be 64 bit. We can safely assume here that the bundled 6348 // native libraries correspond to the most preferred ABI in the list. 6349 6350 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6351 pkg.applicationInfo.secondaryCpuAbi = null; 6352 } else if (has32BitLibs && !has64BitLibs) { 6353 // The package has 32 bit libs but not 64 bit libs. Its primary 6354 // ABI should be 32 bit. 6355 6356 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6357 pkg.applicationInfo.secondaryCpuAbi = null; 6358 } else if (has32BitLibs && has64BitLibs) { 6359 // The application has both 64 and 32 bit bundled libraries. We check 6360 // here that the app declares multiArch support, and warn if it doesn't. 6361 // 6362 // We will be lenient here and record both ABIs. The primary will be the 6363 // ABI that's higher on the list, i.e, a device that's configured to prefer 6364 // 64 bit apps will see a 64 bit primary ABI, 6365 6366 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6367 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6368 } 6369 6370 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6371 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6372 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6373 } else { 6374 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6375 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6376 } 6377 } else { 6378 pkg.applicationInfo.primaryCpuAbi = null; 6379 pkg.applicationInfo.secondaryCpuAbi = null; 6380 } 6381 } 6382 6383 private static void createNativeLibrarySubdir(File path) throws IOException { 6384 if (!path.isDirectory()) { 6385 path.delete(); 6386 6387 if (!path.mkdir()) { 6388 throw new IOException("Cannot create " + path.getPath()); 6389 } 6390 6391 try { 6392 Os.chmod(path.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6393 } catch (ErrnoException e) { 6394 throw new IOException("Cannot chmod native library directory " 6395 + path.getPath(), e); 6396 } 6397 } else if (!SELinux.restorecon(path)) { 6398 throw new IOException("Cannot set SELinux context for " + path.getPath()); 6399 } 6400 } 6401 6402 private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle, 6403 final File nativeLibraryRoot, String[] abiList, boolean useIsaSubdir) throws IOException { 6404 createNativeLibrarySubdir(nativeLibraryRoot); 6405 6406 /* 6407 * If this is an internal application or our nativeLibraryPath points to 6408 * the app-lib directory, unpack the libraries if necessary. 6409 */ 6410 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6411 if (abi >= 0) { 6412 /* 6413 * If we have a matching instruction set, construct a subdir under the native 6414 * library root that corresponds to this instruction set. 6415 */ 6416 final String instructionSet = VMRuntime.getInstructionSet(abiList[abi]); 6417 final File subDir; 6418 if (useIsaSubdir) { 6419 final File isaSubdir = new File(nativeLibraryRoot, instructionSet); 6420 createNativeLibrarySubdir(isaSubdir); 6421 subDir = isaSubdir; 6422 } else { 6423 subDir = nativeLibraryRoot; 6424 } 6425 6426 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, subDir, abiList[abi]); 6427 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6428 return copyRet; 6429 } 6430 } 6431 6432 return abi; 6433 } 6434 6435 private void killApplication(String pkgName, int appId, String reason) { 6436 // Request the ActivityManager to kill the process(only for existing packages) 6437 // so that we do not end up in a confused state while the user is still using the older 6438 // version of the application while the new one gets installed. 6439 IActivityManager am = ActivityManagerNative.getDefault(); 6440 if (am != null) { 6441 try { 6442 am.killApplicationWithAppId(pkgName, appId, reason); 6443 } catch (RemoteException e) { 6444 } 6445 } 6446 } 6447 6448 void removePackageLI(PackageSetting ps, boolean chatty) { 6449 if (DEBUG_INSTALL) { 6450 if (chatty) 6451 Log.d(TAG, "Removing package " + ps.name); 6452 } 6453 6454 // writer 6455 synchronized (mPackages) { 6456 mPackages.remove(ps.name); 6457 if (ps.codePathString != null) { 6458 mAppDirs.remove(ps.codePathString); 6459 } 6460 6461 final PackageParser.Package pkg = ps.pkg; 6462 if (pkg != null) { 6463 cleanPackageDataStructuresLILPw(pkg, chatty); 6464 } 6465 } 6466 } 6467 6468 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6469 if (DEBUG_INSTALL) { 6470 if (chatty) 6471 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6472 } 6473 6474 // writer 6475 synchronized (mPackages) { 6476 mPackages.remove(pkg.applicationInfo.packageName); 6477 if (pkg.codePath != null) { 6478 mAppDirs.remove(pkg.codePath); 6479 } 6480 cleanPackageDataStructuresLILPw(pkg, chatty); 6481 } 6482 } 6483 6484 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6485 int N = pkg.providers.size(); 6486 StringBuilder r = null; 6487 int i; 6488 for (i=0; i<N; i++) { 6489 PackageParser.Provider p = pkg.providers.get(i); 6490 mProviders.removeProvider(p); 6491 if (p.info.authority == null) { 6492 6493 /* There was another ContentProvider with this authority when 6494 * this app was installed so this authority is null, 6495 * Ignore it as we don't have to unregister the provider. 6496 */ 6497 continue; 6498 } 6499 String names[] = p.info.authority.split(";"); 6500 for (int j = 0; j < names.length; j++) { 6501 if (mProvidersByAuthority.get(names[j]) == p) { 6502 mProvidersByAuthority.remove(names[j]); 6503 if (DEBUG_REMOVE) { 6504 if (chatty) 6505 Log.d(TAG, "Unregistered content provider: " + names[j] 6506 + ", className = " + p.info.name + ", isSyncable = " 6507 + p.info.isSyncable); 6508 } 6509 } 6510 } 6511 if (DEBUG_REMOVE && chatty) { 6512 if (r == null) { 6513 r = new StringBuilder(256); 6514 } else { 6515 r.append(' '); 6516 } 6517 r.append(p.info.name); 6518 } 6519 } 6520 if (r != null) { 6521 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6522 } 6523 6524 N = pkg.services.size(); 6525 r = null; 6526 for (i=0; i<N; i++) { 6527 PackageParser.Service s = pkg.services.get(i); 6528 mServices.removeService(s); 6529 if (chatty) { 6530 if (r == null) { 6531 r = new StringBuilder(256); 6532 } else { 6533 r.append(' '); 6534 } 6535 r.append(s.info.name); 6536 } 6537 } 6538 if (r != null) { 6539 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6540 } 6541 6542 N = pkg.receivers.size(); 6543 r = null; 6544 for (i=0; i<N; i++) { 6545 PackageParser.Activity a = pkg.receivers.get(i); 6546 mReceivers.removeActivity(a, "receiver"); 6547 if (DEBUG_REMOVE && chatty) { 6548 if (r == null) { 6549 r = new StringBuilder(256); 6550 } else { 6551 r.append(' '); 6552 } 6553 r.append(a.info.name); 6554 } 6555 } 6556 if (r != null) { 6557 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6558 } 6559 6560 N = pkg.activities.size(); 6561 r = null; 6562 for (i=0; i<N; i++) { 6563 PackageParser.Activity a = pkg.activities.get(i); 6564 mActivities.removeActivity(a, "activity"); 6565 if (DEBUG_REMOVE && chatty) { 6566 if (r == null) { 6567 r = new StringBuilder(256); 6568 } else { 6569 r.append(' '); 6570 } 6571 r.append(a.info.name); 6572 } 6573 } 6574 if (r != null) { 6575 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6576 } 6577 6578 N = pkg.permissions.size(); 6579 r = null; 6580 for (i=0; i<N; i++) { 6581 PackageParser.Permission p = pkg.permissions.get(i); 6582 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6583 if (bp == null) { 6584 bp = mSettings.mPermissionTrees.get(p.info.name); 6585 } 6586 if (bp != null && bp.perm == p) { 6587 bp.perm = null; 6588 if (DEBUG_REMOVE && chatty) { 6589 if (r == null) { 6590 r = new StringBuilder(256); 6591 } else { 6592 r.append(' '); 6593 } 6594 r.append(p.info.name); 6595 } 6596 } 6597 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6598 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6599 if (appOpPerms != null) { 6600 appOpPerms.remove(pkg.packageName); 6601 } 6602 } 6603 } 6604 if (r != null) { 6605 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6606 } 6607 6608 N = pkg.requestedPermissions.size(); 6609 r = null; 6610 for (i=0; i<N; i++) { 6611 String perm = pkg.requestedPermissions.get(i); 6612 BasePermission bp = mSettings.mPermissions.get(perm); 6613 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6614 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6615 if (appOpPerms != null) { 6616 appOpPerms.remove(pkg.packageName); 6617 if (appOpPerms.isEmpty()) { 6618 mAppOpPermissionPackages.remove(perm); 6619 } 6620 } 6621 } 6622 } 6623 if (r != null) { 6624 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6625 } 6626 6627 N = pkg.instrumentation.size(); 6628 r = null; 6629 for (i=0; i<N; i++) { 6630 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6631 mInstrumentation.remove(a.getComponentName()); 6632 if (DEBUG_REMOVE && chatty) { 6633 if (r == null) { 6634 r = new StringBuilder(256); 6635 } else { 6636 r.append(' '); 6637 } 6638 r.append(a.info.name); 6639 } 6640 } 6641 if (r != null) { 6642 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6643 } 6644 6645 r = null; 6646 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6647 // Only system apps can hold shared libraries. 6648 if (pkg.libraryNames != null) { 6649 for (i=0; i<pkg.libraryNames.size(); i++) { 6650 String name = pkg.libraryNames.get(i); 6651 SharedLibraryEntry cur = mSharedLibraries.get(name); 6652 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6653 mSharedLibraries.remove(name); 6654 if (DEBUG_REMOVE && chatty) { 6655 if (r == null) { 6656 r = new StringBuilder(256); 6657 } else { 6658 r.append(' '); 6659 } 6660 r.append(name); 6661 } 6662 } 6663 } 6664 } 6665 } 6666 if (r != null) { 6667 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6668 } 6669 } 6670 6671 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6672 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6673 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6674 return true; 6675 } 6676 } 6677 return false; 6678 } 6679 6680 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6681 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6682 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6683 6684 private void updatePermissionsLPw(String changingPkg, 6685 PackageParser.Package pkgInfo, int flags) { 6686 // Make sure there are no dangling permission trees. 6687 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6688 while (it.hasNext()) { 6689 final BasePermission bp = it.next(); 6690 if (bp.packageSetting == null) { 6691 // We may not yet have parsed the package, so just see if 6692 // we still know about its settings. 6693 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6694 } 6695 if (bp.packageSetting == null) { 6696 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6697 + " from package " + bp.sourcePackage); 6698 it.remove(); 6699 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6700 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6701 Slog.i(TAG, "Removing old permission tree: " + bp.name 6702 + " from package " + bp.sourcePackage); 6703 flags |= UPDATE_PERMISSIONS_ALL; 6704 it.remove(); 6705 } 6706 } 6707 } 6708 6709 // Make sure all dynamic permissions have been assigned to a package, 6710 // and make sure there are no dangling permissions. 6711 it = mSettings.mPermissions.values().iterator(); 6712 while (it.hasNext()) { 6713 final BasePermission bp = it.next(); 6714 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6715 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6716 + bp.name + " pkg=" + bp.sourcePackage 6717 + " info=" + bp.pendingInfo); 6718 if (bp.packageSetting == null && bp.pendingInfo != null) { 6719 final BasePermission tree = findPermissionTreeLP(bp.name); 6720 if (tree != null && tree.perm != null) { 6721 bp.packageSetting = tree.packageSetting; 6722 bp.perm = new PackageParser.Permission(tree.perm.owner, 6723 new PermissionInfo(bp.pendingInfo)); 6724 bp.perm.info.packageName = tree.perm.info.packageName; 6725 bp.perm.info.name = bp.name; 6726 bp.uid = tree.uid; 6727 } 6728 } 6729 } 6730 if (bp.packageSetting == null) { 6731 // We may not yet have parsed the package, so just see if 6732 // we still know about its settings. 6733 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6734 } 6735 if (bp.packageSetting == null) { 6736 Slog.w(TAG, "Removing dangling permission: " + bp.name 6737 + " from package " + bp.sourcePackage); 6738 it.remove(); 6739 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6740 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6741 Slog.i(TAG, "Removing old permission: " + bp.name 6742 + " from package " + bp.sourcePackage); 6743 flags |= UPDATE_PERMISSIONS_ALL; 6744 it.remove(); 6745 } 6746 } 6747 } 6748 6749 // Now update the permissions for all packages, in particular 6750 // replace the granted permissions of the system packages. 6751 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6752 for (PackageParser.Package pkg : mPackages.values()) { 6753 if (pkg != pkgInfo) { 6754 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6755 } 6756 } 6757 } 6758 6759 if (pkgInfo != null) { 6760 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6761 } 6762 } 6763 6764 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6765 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6766 if (ps == null) { 6767 return; 6768 } 6769 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6770 HashSet<String> origPermissions = gp.grantedPermissions; 6771 boolean changedPermission = false; 6772 6773 if (replace) { 6774 ps.permissionsFixed = false; 6775 if (gp == ps) { 6776 origPermissions = new HashSet<String>(gp.grantedPermissions); 6777 gp.grantedPermissions.clear(); 6778 gp.gids = mGlobalGids; 6779 } 6780 } 6781 6782 if (gp.gids == null) { 6783 gp.gids = mGlobalGids; 6784 } 6785 6786 final int N = pkg.requestedPermissions.size(); 6787 for (int i=0; i<N; i++) { 6788 final String name = pkg.requestedPermissions.get(i); 6789 final boolean required = pkg.requestedPermissionsRequired.get(i); 6790 final BasePermission bp = mSettings.mPermissions.get(name); 6791 if (DEBUG_INSTALL) { 6792 if (gp != ps) { 6793 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6794 } 6795 } 6796 6797 if (bp == null || bp.packageSetting == null) { 6798 Slog.w(TAG, "Unknown permission " + name 6799 + " in package " + pkg.packageName); 6800 continue; 6801 } 6802 6803 final String perm = bp.name; 6804 boolean allowed; 6805 boolean allowedSig = false; 6806 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6807 // Keep track of app op permissions. 6808 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6809 if (pkgs == null) { 6810 pkgs = new ArraySet<>(); 6811 mAppOpPermissionPackages.put(bp.name, pkgs); 6812 } 6813 pkgs.add(pkg.packageName); 6814 } 6815 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6816 if (level == PermissionInfo.PROTECTION_NORMAL 6817 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6818 // We grant a normal or dangerous permission if any of the following 6819 // are true: 6820 // 1) The permission is required 6821 // 2) The permission is optional, but was granted in the past 6822 // 3) The permission is optional, but was requested by an 6823 // app in /system (not /data) 6824 // 6825 // Otherwise, reject the permission. 6826 allowed = (required || origPermissions.contains(perm) 6827 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6828 } else if (bp.packageSetting == null) { 6829 // This permission is invalid; skip it. 6830 allowed = false; 6831 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6832 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6833 if (allowed) { 6834 allowedSig = true; 6835 } 6836 } else { 6837 allowed = false; 6838 } 6839 if (DEBUG_INSTALL) { 6840 if (gp != ps) { 6841 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6842 } 6843 } 6844 if (allowed) { 6845 if (!isSystemApp(ps) && ps.permissionsFixed) { 6846 // If this is an existing, non-system package, then 6847 // we can't add any new permissions to it. 6848 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6849 // Except... if this is a permission that was added 6850 // to the platform (note: need to only do this when 6851 // updating the platform). 6852 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6853 } 6854 } 6855 if (allowed) { 6856 if (!gp.grantedPermissions.contains(perm)) { 6857 changedPermission = true; 6858 gp.grantedPermissions.add(perm); 6859 gp.gids = appendInts(gp.gids, bp.gids); 6860 } else if (!ps.haveGids) { 6861 gp.gids = appendInts(gp.gids, bp.gids); 6862 } 6863 } else { 6864 Slog.w(TAG, "Not granting permission " + perm 6865 + " to package " + pkg.packageName 6866 + " because it was previously installed without"); 6867 } 6868 } else { 6869 if (gp.grantedPermissions.remove(perm)) { 6870 changedPermission = true; 6871 gp.gids = removeInts(gp.gids, bp.gids); 6872 Slog.i(TAG, "Un-granting permission " + perm 6873 + " from package " + pkg.packageName 6874 + " (protectionLevel=" + bp.protectionLevel 6875 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6876 + ")"); 6877 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6878 // Don't print warning for app op permissions, since it is fine for them 6879 // not to be granted, there is a UI for the user to decide. 6880 Slog.w(TAG, "Not granting permission " + perm 6881 + " to package " + pkg.packageName 6882 + " (protectionLevel=" + bp.protectionLevel 6883 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6884 + ")"); 6885 } 6886 } 6887 } 6888 6889 if ((changedPermission || replace) && !ps.permissionsFixed && 6890 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6891 // This is the first that we have heard about this package, so the 6892 // permissions we have now selected are fixed until explicitly 6893 // changed. 6894 ps.permissionsFixed = true; 6895 } 6896 ps.haveGids = true; 6897 } 6898 6899 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6900 boolean allowed = false; 6901 final int NP = PackageParser.NEW_PERMISSIONS.length; 6902 for (int ip=0; ip<NP; ip++) { 6903 final PackageParser.NewPermissionInfo npi 6904 = PackageParser.NEW_PERMISSIONS[ip]; 6905 if (npi.name.equals(perm) 6906 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6907 allowed = true; 6908 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6909 + pkg.packageName); 6910 break; 6911 } 6912 } 6913 return allowed; 6914 } 6915 6916 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6917 BasePermission bp, HashSet<String> origPermissions) { 6918 boolean allowed; 6919 allowed = (compareSignatures( 6920 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6921 == PackageManager.SIGNATURE_MATCH) 6922 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6923 == PackageManager.SIGNATURE_MATCH); 6924 if (!allowed && (bp.protectionLevel 6925 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6926 if (isSystemApp(pkg)) { 6927 // For updated system applications, a system permission 6928 // is granted only if it had been defined by the original application. 6929 if (isUpdatedSystemApp(pkg)) { 6930 final PackageSetting sysPs = mSettings 6931 .getDisabledSystemPkgLPr(pkg.packageName); 6932 final GrantedPermissions origGp = sysPs.sharedUser != null 6933 ? sysPs.sharedUser : sysPs; 6934 6935 if (origGp.grantedPermissions.contains(perm)) { 6936 // If the original was granted this permission, we take 6937 // that grant decision as read and propagate it to the 6938 // update. 6939 allowed = true; 6940 } else { 6941 // The system apk may have been updated with an older 6942 // version of the one on the data partition, but which 6943 // granted a new system permission that it didn't have 6944 // before. In this case we do want to allow the app to 6945 // now get the new permission if the ancestral apk is 6946 // privileged to get it. 6947 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6948 for (int j=0; 6949 j<sysPs.pkg.requestedPermissions.size(); j++) { 6950 if (perm.equals( 6951 sysPs.pkg.requestedPermissions.get(j))) { 6952 allowed = true; 6953 break; 6954 } 6955 } 6956 } 6957 } 6958 } else { 6959 allowed = isPrivilegedApp(pkg); 6960 } 6961 } 6962 } 6963 if (!allowed && (bp.protectionLevel 6964 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6965 // For development permissions, a development permission 6966 // is granted only if it was already granted. 6967 allowed = origPermissions.contains(perm); 6968 } 6969 return allowed; 6970 } 6971 6972 final class ActivityIntentResolver 6973 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6974 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6975 boolean defaultOnly, int userId) { 6976 if (!sUserManager.exists(userId)) return null; 6977 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6978 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6979 } 6980 6981 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6982 int userId) { 6983 if (!sUserManager.exists(userId)) return null; 6984 mFlags = flags; 6985 return super.queryIntent(intent, resolvedType, 6986 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6987 } 6988 6989 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6990 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6991 if (!sUserManager.exists(userId)) return null; 6992 if (packageActivities == null) { 6993 return null; 6994 } 6995 mFlags = flags; 6996 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6997 final int N = packageActivities.size(); 6998 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6999 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7000 7001 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7002 for (int i = 0; i < N; ++i) { 7003 intentFilters = packageActivities.get(i).intents; 7004 if (intentFilters != null && intentFilters.size() > 0) { 7005 PackageParser.ActivityIntentInfo[] array = 7006 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7007 intentFilters.toArray(array); 7008 listCut.add(array); 7009 } 7010 } 7011 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7012 } 7013 7014 public final void addActivity(PackageParser.Activity a, String type) { 7015 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7016 mActivities.put(a.getComponentName(), a); 7017 if (DEBUG_SHOW_INFO) 7018 Log.v( 7019 TAG, " " + type + " " + 7020 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7021 if (DEBUG_SHOW_INFO) 7022 Log.v(TAG, " Class=" + a.info.name); 7023 final int NI = a.intents.size(); 7024 for (int j=0; j<NI; j++) { 7025 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7026 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7027 intent.setPriority(0); 7028 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7029 + a.className + " with priority > 0, forcing to 0"); 7030 } 7031 if (DEBUG_SHOW_INFO) { 7032 Log.v(TAG, " IntentFilter:"); 7033 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7034 } 7035 if (!intent.debugCheck()) { 7036 Log.w(TAG, "==> For Activity " + a.info.name); 7037 } 7038 addFilter(intent); 7039 } 7040 } 7041 7042 public final void removeActivity(PackageParser.Activity a, String type) { 7043 mActivities.remove(a.getComponentName()); 7044 if (DEBUG_SHOW_INFO) { 7045 Log.v(TAG, " " + type + " " 7046 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7047 : a.info.name) + ":"); 7048 Log.v(TAG, " Class=" + a.info.name); 7049 } 7050 final int NI = a.intents.size(); 7051 for (int j=0; j<NI; j++) { 7052 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7053 if (DEBUG_SHOW_INFO) { 7054 Log.v(TAG, " IntentFilter:"); 7055 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7056 } 7057 removeFilter(intent); 7058 } 7059 } 7060 7061 @Override 7062 protected boolean allowFilterResult( 7063 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7064 ActivityInfo filterAi = filter.activity.info; 7065 for (int i=dest.size()-1; i>=0; i--) { 7066 ActivityInfo destAi = dest.get(i).activityInfo; 7067 if (destAi.name == filterAi.name 7068 && destAi.packageName == filterAi.packageName) { 7069 return false; 7070 } 7071 } 7072 return true; 7073 } 7074 7075 @Override 7076 protected ActivityIntentInfo[] newArray(int size) { 7077 return new ActivityIntentInfo[size]; 7078 } 7079 7080 @Override 7081 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7082 if (!sUserManager.exists(userId)) return true; 7083 PackageParser.Package p = filter.activity.owner; 7084 if (p != null) { 7085 PackageSetting ps = (PackageSetting)p.mExtras; 7086 if (ps != null) { 7087 // System apps are never considered stopped for purposes of 7088 // filtering, because there may be no way for the user to 7089 // actually re-launch them. 7090 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7091 && ps.getStopped(userId); 7092 } 7093 } 7094 return false; 7095 } 7096 7097 @Override 7098 protected boolean isPackageForFilter(String packageName, 7099 PackageParser.ActivityIntentInfo info) { 7100 return packageName.equals(info.activity.owner.packageName); 7101 } 7102 7103 @Override 7104 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7105 int match, int userId) { 7106 if (!sUserManager.exists(userId)) return null; 7107 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7108 return null; 7109 } 7110 final PackageParser.Activity activity = info.activity; 7111 if (mSafeMode && (activity.info.applicationInfo.flags 7112 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7113 return null; 7114 } 7115 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7116 if (ps == null) { 7117 return null; 7118 } 7119 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7120 ps.readUserState(userId), userId); 7121 if (ai == null) { 7122 return null; 7123 } 7124 final ResolveInfo res = new ResolveInfo(); 7125 res.activityInfo = ai; 7126 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7127 res.filter = info; 7128 } 7129 res.priority = info.getPriority(); 7130 res.preferredOrder = activity.owner.mPreferredOrder; 7131 //System.out.println("Result: " + res.activityInfo.className + 7132 // " = " + res.priority); 7133 res.match = match; 7134 res.isDefault = info.hasDefault; 7135 res.labelRes = info.labelRes; 7136 res.nonLocalizedLabel = info.nonLocalizedLabel; 7137 if (userNeedsBadging(userId)) { 7138 res.noResourceId = true; 7139 } else { 7140 res.icon = info.icon; 7141 } 7142 res.system = isSystemApp(res.activityInfo.applicationInfo); 7143 return res; 7144 } 7145 7146 @Override 7147 protected void sortResults(List<ResolveInfo> results) { 7148 Collections.sort(results, mResolvePrioritySorter); 7149 } 7150 7151 @Override 7152 protected void dumpFilter(PrintWriter out, String prefix, 7153 PackageParser.ActivityIntentInfo filter) { 7154 out.print(prefix); out.print( 7155 Integer.toHexString(System.identityHashCode(filter.activity))); 7156 out.print(' '); 7157 filter.activity.printComponentShortName(out); 7158 out.print(" filter "); 7159 out.println(Integer.toHexString(System.identityHashCode(filter))); 7160 } 7161 7162// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7163// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7164// final List<ResolveInfo> retList = Lists.newArrayList(); 7165// while (i.hasNext()) { 7166// final ResolveInfo resolveInfo = i.next(); 7167// if (isEnabledLP(resolveInfo.activityInfo)) { 7168// retList.add(resolveInfo); 7169// } 7170// } 7171// return retList; 7172// } 7173 7174 // Keys are String (activity class name), values are Activity. 7175 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7176 = new HashMap<ComponentName, PackageParser.Activity>(); 7177 private int mFlags; 7178 } 7179 7180 private final class ServiceIntentResolver 7181 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7182 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7183 boolean defaultOnly, int userId) { 7184 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7185 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7186 } 7187 7188 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7189 int userId) { 7190 if (!sUserManager.exists(userId)) return null; 7191 mFlags = flags; 7192 return super.queryIntent(intent, resolvedType, 7193 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7194 } 7195 7196 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7197 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7198 if (!sUserManager.exists(userId)) return null; 7199 if (packageServices == null) { 7200 return null; 7201 } 7202 mFlags = flags; 7203 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7204 final int N = packageServices.size(); 7205 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7206 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7207 7208 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7209 for (int i = 0; i < N; ++i) { 7210 intentFilters = packageServices.get(i).intents; 7211 if (intentFilters != null && intentFilters.size() > 0) { 7212 PackageParser.ServiceIntentInfo[] array = 7213 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7214 intentFilters.toArray(array); 7215 listCut.add(array); 7216 } 7217 } 7218 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7219 } 7220 7221 public final void addService(PackageParser.Service s) { 7222 mServices.put(s.getComponentName(), s); 7223 if (DEBUG_SHOW_INFO) { 7224 Log.v(TAG, " " 7225 + (s.info.nonLocalizedLabel != null 7226 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7227 Log.v(TAG, " Class=" + s.info.name); 7228 } 7229 final int NI = s.intents.size(); 7230 int j; 7231 for (j=0; j<NI; j++) { 7232 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7233 if (DEBUG_SHOW_INFO) { 7234 Log.v(TAG, " IntentFilter:"); 7235 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7236 } 7237 if (!intent.debugCheck()) { 7238 Log.w(TAG, "==> For Service " + s.info.name); 7239 } 7240 addFilter(intent); 7241 } 7242 } 7243 7244 public final void removeService(PackageParser.Service s) { 7245 mServices.remove(s.getComponentName()); 7246 if (DEBUG_SHOW_INFO) { 7247 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7248 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7249 Log.v(TAG, " Class=" + s.info.name); 7250 } 7251 final int NI = s.intents.size(); 7252 int j; 7253 for (j=0; j<NI; j++) { 7254 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7255 if (DEBUG_SHOW_INFO) { 7256 Log.v(TAG, " IntentFilter:"); 7257 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7258 } 7259 removeFilter(intent); 7260 } 7261 } 7262 7263 @Override 7264 protected boolean allowFilterResult( 7265 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7266 ServiceInfo filterSi = filter.service.info; 7267 for (int i=dest.size()-1; i>=0; i--) { 7268 ServiceInfo destAi = dest.get(i).serviceInfo; 7269 if (destAi.name == filterSi.name 7270 && destAi.packageName == filterSi.packageName) { 7271 return false; 7272 } 7273 } 7274 return true; 7275 } 7276 7277 @Override 7278 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7279 return new PackageParser.ServiceIntentInfo[size]; 7280 } 7281 7282 @Override 7283 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7284 if (!sUserManager.exists(userId)) return true; 7285 PackageParser.Package p = filter.service.owner; 7286 if (p != null) { 7287 PackageSetting ps = (PackageSetting)p.mExtras; 7288 if (ps != null) { 7289 // System apps are never considered stopped for purposes of 7290 // filtering, because there may be no way for the user to 7291 // actually re-launch them. 7292 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7293 && ps.getStopped(userId); 7294 } 7295 } 7296 return false; 7297 } 7298 7299 @Override 7300 protected boolean isPackageForFilter(String packageName, 7301 PackageParser.ServiceIntentInfo info) { 7302 return packageName.equals(info.service.owner.packageName); 7303 } 7304 7305 @Override 7306 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7307 int match, int userId) { 7308 if (!sUserManager.exists(userId)) return null; 7309 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7310 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7311 return null; 7312 } 7313 final PackageParser.Service service = info.service; 7314 if (mSafeMode && (service.info.applicationInfo.flags 7315 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7316 return null; 7317 } 7318 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7319 if (ps == null) { 7320 return null; 7321 } 7322 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7323 ps.readUserState(userId), userId); 7324 if (si == null) { 7325 return null; 7326 } 7327 final ResolveInfo res = new ResolveInfo(); 7328 res.serviceInfo = si; 7329 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7330 res.filter = filter; 7331 } 7332 res.priority = info.getPriority(); 7333 res.preferredOrder = service.owner.mPreferredOrder; 7334 //System.out.println("Result: " + res.activityInfo.className + 7335 // " = " + res.priority); 7336 res.match = match; 7337 res.isDefault = info.hasDefault; 7338 res.labelRes = info.labelRes; 7339 res.nonLocalizedLabel = info.nonLocalizedLabel; 7340 res.icon = info.icon; 7341 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7342 return res; 7343 } 7344 7345 @Override 7346 protected void sortResults(List<ResolveInfo> results) { 7347 Collections.sort(results, mResolvePrioritySorter); 7348 } 7349 7350 @Override 7351 protected void dumpFilter(PrintWriter out, String prefix, 7352 PackageParser.ServiceIntentInfo filter) { 7353 out.print(prefix); out.print( 7354 Integer.toHexString(System.identityHashCode(filter.service))); 7355 out.print(' '); 7356 filter.service.printComponentShortName(out); 7357 out.print(" filter "); 7358 out.println(Integer.toHexString(System.identityHashCode(filter))); 7359 } 7360 7361// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7362// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7363// final List<ResolveInfo> retList = Lists.newArrayList(); 7364// while (i.hasNext()) { 7365// final ResolveInfo resolveInfo = (ResolveInfo) i; 7366// if (isEnabledLP(resolveInfo.serviceInfo)) { 7367// retList.add(resolveInfo); 7368// } 7369// } 7370// return retList; 7371// } 7372 7373 // Keys are String (activity class name), values are Activity. 7374 private final HashMap<ComponentName, PackageParser.Service> mServices 7375 = new HashMap<ComponentName, PackageParser.Service>(); 7376 private int mFlags; 7377 }; 7378 7379 private final class ProviderIntentResolver 7380 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7381 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7382 boolean defaultOnly, int userId) { 7383 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7384 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7385 } 7386 7387 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7388 int userId) { 7389 if (!sUserManager.exists(userId)) 7390 return null; 7391 mFlags = flags; 7392 return super.queryIntent(intent, resolvedType, 7393 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7394 } 7395 7396 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7397 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7398 if (!sUserManager.exists(userId)) 7399 return null; 7400 if (packageProviders == null) { 7401 return null; 7402 } 7403 mFlags = flags; 7404 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7405 final int N = packageProviders.size(); 7406 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7407 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7408 7409 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7410 for (int i = 0; i < N; ++i) { 7411 intentFilters = packageProviders.get(i).intents; 7412 if (intentFilters != null && intentFilters.size() > 0) { 7413 PackageParser.ProviderIntentInfo[] array = 7414 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7415 intentFilters.toArray(array); 7416 listCut.add(array); 7417 } 7418 } 7419 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7420 } 7421 7422 public final void addProvider(PackageParser.Provider p) { 7423 if (mProviders.containsKey(p.getComponentName())) { 7424 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7425 return; 7426 } 7427 7428 mProviders.put(p.getComponentName(), p); 7429 if (DEBUG_SHOW_INFO) { 7430 Log.v(TAG, " " 7431 + (p.info.nonLocalizedLabel != null 7432 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7433 Log.v(TAG, " Class=" + p.info.name); 7434 } 7435 final int NI = p.intents.size(); 7436 int j; 7437 for (j = 0; j < NI; j++) { 7438 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7439 if (DEBUG_SHOW_INFO) { 7440 Log.v(TAG, " IntentFilter:"); 7441 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7442 } 7443 if (!intent.debugCheck()) { 7444 Log.w(TAG, "==> For Provider " + p.info.name); 7445 } 7446 addFilter(intent); 7447 } 7448 } 7449 7450 public final void removeProvider(PackageParser.Provider p) { 7451 mProviders.remove(p.getComponentName()); 7452 if (DEBUG_SHOW_INFO) { 7453 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7454 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7455 Log.v(TAG, " Class=" + p.info.name); 7456 } 7457 final int NI = p.intents.size(); 7458 int j; 7459 for (j = 0; j < NI; j++) { 7460 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7461 if (DEBUG_SHOW_INFO) { 7462 Log.v(TAG, " IntentFilter:"); 7463 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7464 } 7465 removeFilter(intent); 7466 } 7467 } 7468 7469 @Override 7470 protected boolean allowFilterResult( 7471 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7472 ProviderInfo filterPi = filter.provider.info; 7473 for (int i = dest.size() - 1; i >= 0; i--) { 7474 ProviderInfo destPi = dest.get(i).providerInfo; 7475 if (destPi.name == filterPi.name 7476 && destPi.packageName == filterPi.packageName) { 7477 return false; 7478 } 7479 } 7480 return true; 7481 } 7482 7483 @Override 7484 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7485 return new PackageParser.ProviderIntentInfo[size]; 7486 } 7487 7488 @Override 7489 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7490 if (!sUserManager.exists(userId)) 7491 return true; 7492 PackageParser.Package p = filter.provider.owner; 7493 if (p != null) { 7494 PackageSetting ps = (PackageSetting) p.mExtras; 7495 if (ps != null) { 7496 // System apps are never considered stopped for purposes of 7497 // filtering, because there may be no way for the user to 7498 // actually re-launch them. 7499 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7500 && ps.getStopped(userId); 7501 } 7502 } 7503 return false; 7504 } 7505 7506 @Override 7507 protected boolean isPackageForFilter(String packageName, 7508 PackageParser.ProviderIntentInfo info) { 7509 return packageName.equals(info.provider.owner.packageName); 7510 } 7511 7512 @Override 7513 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7514 int match, int userId) { 7515 if (!sUserManager.exists(userId)) 7516 return null; 7517 final PackageParser.ProviderIntentInfo info = filter; 7518 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7519 return null; 7520 } 7521 final PackageParser.Provider provider = info.provider; 7522 if (mSafeMode && (provider.info.applicationInfo.flags 7523 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7524 return null; 7525 } 7526 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7527 if (ps == null) { 7528 return null; 7529 } 7530 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7531 ps.readUserState(userId), userId); 7532 if (pi == null) { 7533 return null; 7534 } 7535 final ResolveInfo res = new ResolveInfo(); 7536 res.providerInfo = pi; 7537 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7538 res.filter = filter; 7539 } 7540 res.priority = info.getPriority(); 7541 res.preferredOrder = provider.owner.mPreferredOrder; 7542 res.match = match; 7543 res.isDefault = info.hasDefault; 7544 res.labelRes = info.labelRes; 7545 res.nonLocalizedLabel = info.nonLocalizedLabel; 7546 res.icon = info.icon; 7547 res.system = isSystemApp(res.providerInfo.applicationInfo); 7548 return res; 7549 } 7550 7551 @Override 7552 protected void sortResults(List<ResolveInfo> results) { 7553 Collections.sort(results, mResolvePrioritySorter); 7554 } 7555 7556 @Override 7557 protected void dumpFilter(PrintWriter out, String prefix, 7558 PackageParser.ProviderIntentInfo filter) { 7559 out.print(prefix); 7560 out.print( 7561 Integer.toHexString(System.identityHashCode(filter.provider))); 7562 out.print(' '); 7563 filter.provider.printComponentShortName(out); 7564 out.print(" filter "); 7565 out.println(Integer.toHexString(System.identityHashCode(filter))); 7566 } 7567 7568 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7569 = new HashMap<ComponentName, PackageParser.Provider>(); 7570 private int mFlags; 7571 }; 7572 7573 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7574 new Comparator<ResolveInfo>() { 7575 public int compare(ResolveInfo r1, ResolveInfo r2) { 7576 int v1 = r1.priority; 7577 int v2 = r2.priority; 7578 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7579 if (v1 != v2) { 7580 return (v1 > v2) ? -1 : 1; 7581 } 7582 v1 = r1.preferredOrder; 7583 v2 = r2.preferredOrder; 7584 if (v1 != v2) { 7585 return (v1 > v2) ? -1 : 1; 7586 } 7587 if (r1.isDefault != r2.isDefault) { 7588 return r1.isDefault ? -1 : 1; 7589 } 7590 v1 = r1.match; 7591 v2 = r2.match; 7592 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7593 if (v1 != v2) { 7594 return (v1 > v2) ? -1 : 1; 7595 } 7596 if (r1.system != r2.system) { 7597 return r1.system ? -1 : 1; 7598 } 7599 return 0; 7600 } 7601 }; 7602 7603 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7604 new Comparator<ProviderInfo>() { 7605 public int compare(ProviderInfo p1, ProviderInfo p2) { 7606 final int v1 = p1.initOrder; 7607 final int v2 = p2.initOrder; 7608 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7609 } 7610 }; 7611 7612 static final void sendPackageBroadcast(String action, String pkg, 7613 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7614 int[] userIds) { 7615 IActivityManager am = ActivityManagerNative.getDefault(); 7616 if (am != null) { 7617 try { 7618 if (userIds == null) { 7619 userIds = am.getRunningUserIds(); 7620 } 7621 for (int id : userIds) { 7622 final Intent intent = new Intent(action, 7623 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7624 if (extras != null) { 7625 intent.putExtras(extras); 7626 } 7627 if (targetPkg != null) { 7628 intent.setPackage(targetPkg); 7629 } 7630 // Modify the UID when posting to other users 7631 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7632 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7633 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7634 intent.putExtra(Intent.EXTRA_UID, uid); 7635 } 7636 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7637 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7638 if (DEBUG_BROADCASTS) { 7639 RuntimeException here = new RuntimeException("here"); 7640 here.fillInStackTrace(); 7641 Slog.d(TAG, "Sending to user " + id + ": " 7642 + intent.toShortString(false, true, false, false) 7643 + " " + intent.getExtras(), here); 7644 } 7645 am.broadcastIntent(null, intent, null, finishedReceiver, 7646 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7647 finishedReceiver != null, false, id); 7648 } 7649 } catch (RemoteException ex) { 7650 } 7651 } 7652 } 7653 7654 /** 7655 * Check if the external storage media is available. This is true if there 7656 * is a mounted external storage medium or if the external storage is 7657 * emulated. 7658 */ 7659 private boolean isExternalMediaAvailable() { 7660 return mMediaMounted || Environment.isExternalStorageEmulated(); 7661 } 7662 7663 @Override 7664 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7665 // writer 7666 synchronized (mPackages) { 7667 if (!isExternalMediaAvailable()) { 7668 // If the external storage is no longer mounted at this point, 7669 // the caller may not have been able to delete all of this 7670 // packages files and can not delete any more. Bail. 7671 return null; 7672 } 7673 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7674 if (lastPackage != null) { 7675 pkgs.remove(lastPackage); 7676 } 7677 if (pkgs.size() > 0) { 7678 return pkgs.get(0); 7679 } 7680 } 7681 return null; 7682 } 7683 7684 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7685 if (false) { 7686 RuntimeException here = new RuntimeException("here"); 7687 here.fillInStackTrace(); 7688 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7689 + " andCode=" + andCode, here); 7690 } 7691 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7692 userId, andCode ? 1 : 0, packageName)); 7693 } 7694 7695 void startCleaningPackages() { 7696 // reader 7697 synchronized (mPackages) { 7698 if (!isExternalMediaAvailable()) { 7699 return; 7700 } 7701 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7702 return; 7703 } 7704 } 7705 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7706 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7707 IActivityManager am = ActivityManagerNative.getDefault(); 7708 if (am != null) { 7709 try { 7710 am.startService(null, intent, null, UserHandle.USER_OWNER); 7711 } catch (RemoteException e) { 7712 } 7713 } 7714 } 7715 7716 @Override 7717 public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags, 7718 String installerPackageName, VerificationParams verificationParams, 7719 String packageAbiOverride) { 7720 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7721 null); 7722 7723 final File originFile = new File(originPath); 7724 final int uid = Binder.getCallingUid(); 7725 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7726 try { 7727 if (observer != null) { 7728 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7729 } 7730 } catch (RemoteException re) { 7731 } 7732 return; 7733 } 7734 7735 UserHandle user; 7736 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7737 user = UserHandle.ALL; 7738 } else { 7739 user = new UserHandle(UserHandle.getUserId(uid)); 7740 } 7741 7742 final int filteredFlags; 7743 if (uid == Process.SHELL_UID || uid == 0) { 7744 if (DEBUG_INSTALL) { 7745 Slog.v(TAG, "Install from ADB"); 7746 } 7747 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7748 } else { 7749 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7750 } 7751 7752 verificationParams.setInstallerUid(uid); 7753 7754 final Message msg = mHandler.obtainMessage(INIT_COPY); 7755 msg.obj = new InstallParams(originFile, false, observer, filteredFlags, 7756 installerPackageName, verificationParams, user, packageAbiOverride); 7757 mHandler.sendMessage(msg); 7758 } 7759 7760 void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer, 7761 InstallSessionParams params, String installerPackageName, int installerUid, 7762 UserHandle user) { 7763 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7764 params.referrerUri, installerUid, null); 7765 7766 final Message msg = mHandler.obtainMessage(INIT_COPY); 7767 msg.obj = new InstallParams(stageDir, true, observer, params.installFlags, 7768 installerPackageName, verifParams, user, params.abiOverride); 7769 mHandler.sendMessage(msg); 7770 } 7771 7772 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7773 Bundle extras = new Bundle(1); 7774 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7775 7776 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7777 packageName, extras, null, null, new int[] {userId}); 7778 try { 7779 IActivityManager am = ActivityManagerNative.getDefault(); 7780 final boolean isSystem = 7781 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7782 if (isSystem && am.isUserRunning(userId, false)) { 7783 // The just-installed/enabled app is bundled on the system, so presumed 7784 // to be able to run automatically without needing an explicit launch. 7785 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7786 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7787 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7788 .setPackage(packageName); 7789 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7790 android.app.AppOpsManager.OP_NONE, false, false, userId); 7791 } 7792 } catch (RemoteException e) { 7793 // shouldn't happen 7794 Slog.w(TAG, "Unable to bootstrap installed package", e); 7795 } 7796 } 7797 7798 @Override 7799 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7800 int userId) { 7801 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7802 PackageSetting pkgSetting; 7803 final int uid = Binder.getCallingUid(); 7804 if (UserHandle.getUserId(uid) != userId) { 7805 mContext.enforceCallingOrSelfPermission( 7806 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7807 "setApplicationHiddenSetting for user " + userId); 7808 } 7809 7810 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7811 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7812 return false; 7813 } 7814 7815 long callingId = Binder.clearCallingIdentity(); 7816 try { 7817 boolean sendAdded = false; 7818 boolean sendRemoved = false; 7819 // writer 7820 synchronized (mPackages) { 7821 pkgSetting = mSettings.mPackages.get(packageName); 7822 if (pkgSetting == null) { 7823 return false; 7824 } 7825 if (pkgSetting.getHidden(userId) != hidden) { 7826 pkgSetting.setHidden(hidden, userId); 7827 mSettings.writePackageRestrictionsLPr(userId); 7828 if (hidden) { 7829 sendRemoved = true; 7830 } else { 7831 sendAdded = true; 7832 } 7833 } 7834 } 7835 if (sendAdded) { 7836 sendPackageAddedForUser(packageName, pkgSetting, userId); 7837 return true; 7838 } 7839 if (sendRemoved) { 7840 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7841 "hiding pkg"); 7842 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 7843 } 7844 } finally { 7845 Binder.restoreCallingIdentity(callingId); 7846 } 7847 return false; 7848 } 7849 7850 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 7851 int userId) { 7852 final PackageRemovedInfo info = new PackageRemovedInfo(); 7853 info.removedPackage = packageName; 7854 info.removedUsers = new int[] {userId}; 7855 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7856 info.sendBroadcast(false, false, false); 7857 } 7858 7859 /** 7860 * Returns true if application is not found or there was an error. Otherwise it returns 7861 * the hidden state of the package for the given user. 7862 */ 7863 @Override 7864 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 7865 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7866 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7867 "getApplicationHidden for user " + userId); 7868 PackageSetting pkgSetting; 7869 long callingId = Binder.clearCallingIdentity(); 7870 try { 7871 // writer 7872 synchronized (mPackages) { 7873 pkgSetting = mSettings.mPackages.get(packageName); 7874 if (pkgSetting == null) { 7875 return true; 7876 } 7877 return pkgSetting.getHidden(userId); 7878 } 7879 } finally { 7880 Binder.restoreCallingIdentity(callingId); 7881 } 7882 } 7883 7884 /** 7885 * @hide 7886 */ 7887 @Override 7888 public int installExistingPackageAsUser(String packageName, int userId) { 7889 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7890 null); 7891 PackageSetting pkgSetting; 7892 final int uid = Binder.getCallingUid(); 7893 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7894 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7895 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7896 } 7897 7898 long callingId = Binder.clearCallingIdentity(); 7899 try { 7900 boolean sendAdded = false; 7901 Bundle extras = new Bundle(1); 7902 7903 // writer 7904 synchronized (mPackages) { 7905 pkgSetting = mSettings.mPackages.get(packageName); 7906 if (pkgSetting == null) { 7907 return PackageManager.INSTALL_FAILED_INVALID_URI; 7908 } 7909 if (!pkgSetting.getInstalled(userId)) { 7910 pkgSetting.setInstalled(true, userId); 7911 pkgSetting.setHidden(false, userId); 7912 mSettings.writePackageRestrictionsLPr(userId); 7913 sendAdded = true; 7914 } 7915 } 7916 7917 if (sendAdded) { 7918 sendPackageAddedForUser(packageName, pkgSetting, userId); 7919 } 7920 } finally { 7921 Binder.restoreCallingIdentity(callingId); 7922 } 7923 7924 return PackageManager.INSTALL_SUCCEEDED; 7925 } 7926 7927 boolean isUserRestricted(int userId, String restrictionKey) { 7928 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7929 if (restrictions.getBoolean(restrictionKey, false)) { 7930 Log.w(TAG, "User is restricted: " + restrictionKey); 7931 return true; 7932 } 7933 return false; 7934 } 7935 7936 @Override 7937 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7938 mContext.enforceCallingOrSelfPermission( 7939 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7940 "Only package verification agents can verify applications"); 7941 7942 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7943 final PackageVerificationResponse response = new PackageVerificationResponse( 7944 verificationCode, Binder.getCallingUid()); 7945 msg.arg1 = id; 7946 msg.obj = response; 7947 mHandler.sendMessage(msg); 7948 } 7949 7950 @Override 7951 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7952 long millisecondsToDelay) { 7953 mContext.enforceCallingOrSelfPermission( 7954 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7955 "Only package verification agents can extend verification timeouts"); 7956 7957 final PackageVerificationState state = mPendingVerification.get(id); 7958 final PackageVerificationResponse response = new PackageVerificationResponse( 7959 verificationCodeAtTimeout, Binder.getCallingUid()); 7960 7961 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7962 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7963 } 7964 if (millisecondsToDelay < 0) { 7965 millisecondsToDelay = 0; 7966 } 7967 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7968 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7969 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7970 } 7971 7972 if ((state != null) && !state.timeoutExtended()) { 7973 state.extendTimeout(); 7974 7975 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7976 msg.arg1 = id; 7977 msg.obj = response; 7978 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7979 } 7980 } 7981 7982 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7983 int verificationCode, UserHandle user) { 7984 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7985 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7986 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7987 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7988 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7989 7990 mContext.sendBroadcastAsUser(intent, user, 7991 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7992 } 7993 7994 private ComponentName matchComponentForVerifier(String packageName, 7995 List<ResolveInfo> receivers) { 7996 ActivityInfo targetReceiver = null; 7997 7998 final int NR = receivers.size(); 7999 for (int i = 0; i < NR; i++) { 8000 final ResolveInfo info = receivers.get(i); 8001 if (info.activityInfo == null) { 8002 continue; 8003 } 8004 8005 if (packageName.equals(info.activityInfo.packageName)) { 8006 targetReceiver = info.activityInfo; 8007 break; 8008 } 8009 } 8010 8011 if (targetReceiver == null) { 8012 return null; 8013 } 8014 8015 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8016 } 8017 8018 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8019 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8020 if (pkgInfo.verifiers.length == 0) { 8021 return null; 8022 } 8023 8024 final int N = pkgInfo.verifiers.length; 8025 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8026 for (int i = 0; i < N; i++) { 8027 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8028 8029 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8030 receivers); 8031 if (comp == null) { 8032 continue; 8033 } 8034 8035 final int verifierUid = getUidForVerifier(verifierInfo); 8036 if (verifierUid == -1) { 8037 continue; 8038 } 8039 8040 if (DEBUG_VERIFY) { 8041 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8042 + " with the correct signature"); 8043 } 8044 sufficientVerifiers.add(comp); 8045 verificationState.addSufficientVerifier(verifierUid); 8046 } 8047 8048 return sufficientVerifiers; 8049 } 8050 8051 private int getUidForVerifier(VerifierInfo verifierInfo) { 8052 synchronized (mPackages) { 8053 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8054 if (pkg == null) { 8055 return -1; 8056 } else if (pkg.mSignatures.length != 1) { 8057 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8058 + " has more than one signature; ignoring"); 8059 return -1; 8060 } 8061 8062 /* 8063 * If the public key of the package's signature does not match 8064 * our expected public key, then this is a different package and 8065 * we should skip. 8066 */ 8067 8068 final byte[] expectedPublicKey; 8069 try { 8070 final Signature verifierSig = pkg.mSignatures[0]; 8071 final PublicKey publicKey = verifierSig.getPublicKey(); 8072 expectedPublicKey = publicKey.getEncoded(); 8073 } catch (CertificateException e) { 8074 return -1; 8075 } 8076 8077 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8078 8079 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8080 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8081 + " does not have the expected public key; ignoring"); 8082 return -1; 8083 } 8084 8085 return pkg.applicationInfo.uid; 8086 } 8087 } 8088 8089 @Override 8090 public void finishPackageInstall(int token) { 8091 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8092 8093 if (DEBUG_INSTALL) { 8094 Slog.v(TAG, "BM finishing package install for " + token); 8095 } 8096 8097 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8098 mHandler.sendMessage(msg); 8099 } 8100 8101 /** 8102 * Get the verification agent timeout. 8103 * 8104 * @return verification timeout in milliseconds 8105 */ 8106 private long getVerificationTimeout() { 8107 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8108 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8109 DEFAULT_VERIFICATION_TIMEOUT); 8110 } 8111 8112 /** 8113 * Get the default verification agent response code. 8114 * 8115 * @return default verification response code 8116 */ 8117 private int getDefaultVerificationResponse() { 8118 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8119 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8120 DEFAULT_VERIFICATION_RESPONSE); 8121 } 8122 8123 /** 8124 * Check whether or not package verification has been enabled. 8125 * 8126 * @return true if verification should be performed 8127 */ 8128 private boolean isVerificationEnabled(int userId, int flags) { 8129 if (!DEFAULT_VERIFY_ENABLE) { 8130 return false; 8131 } 8132 8133 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8134 8135 // Check if installing from ADB 8136 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8137 // Do not run verification in a test harness environment 8138 if (ActivityManager.isRunningInTestHarness()) { 8139 return false; 8140 } 8141 if (ensureVerifyAppsEnabled) { 8142 return true; 8143 } 8144 // Check if the developer does not want package verification for ADB installs 8145 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8146 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8147 return false; 8148 } 8149 } 8150 8151 if (ensureVerifyAppsEnabled) { 8152 return true; 8153 } 8154 8155 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8156 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8157 } 8158 8159 /** 8160 * Get the "allow unknown sources" setting. 8161 * 8162 * @return the current "allow unknown sources" setting 8163 */ 8164 private int getUnknownSourcesSettings() { 8165 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8166 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8167 -1); 8168 } 8169 8170 @Override 8171 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8172 final int uid = Binder.getCallingUid(); 8173 // writer 8174 synchronized (mPackages) { 8175 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8176 if (targetPackageSetting == null) { 8177 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8178 } 8179 8180 PackageSetting installerPackageSetting; 8181 if (installerPackageName != null) { 8182 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8183 if (installerPackageSetting == null) { 8184 throw new IllegalArgumentException("Unknown installer package: " 8185 + installerPackageName); 8186 } 8187 } else { 8188 installerPackageSetting = null; 8189 } 8190 8191 Signature[] callerSignature; 8192 Object obj = mSettings.getUserIdLPr(uid); 8193 if (obj != null) { 8194 if (obj instanceof SharedUserSetting) { 8195 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8196 } else if (obj instanceof PackageSetting) { 8197 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8198 } else { 8199 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8200 } 8201 } else { 8202 throw new SecurityException("Unknown calling uid " + uid); 8203 } 8204 8205 // Verify: can't set installerPackageName to a package that is 8206 // not signed with the same cert as the caller. 8207 if (installerPackageSetting != null) { 8208 if (compareSignatures(callerSignature, 8209 installerPackageSetting.signatures.mSignatures) 8210 != PackageManager.SIGNATURE_MATCH) { 8211 throw new SecurityException( 8212 "Caller does not have same cert as new installer package " 8213 + installerPackageName); 8214 } 8215 } 8216 8217 // Verify: if target already has an installer package, it must 8218 // be signed with the same cert as the caller. 8219 if (targetPackageSetting.installerPackageName != null) { 8220 PackageSetting setting = mSettings.mPackages.get( 8221 targetPackageSetting.installerPackageName); 8222 // If the currently set package isn't valid, then it's always 8223 // okay to change it. 8224 if (setting != null) { 8225 if (compareSignatures(callerSignature, 8226 setting.signatures.mSignatures) 8227 != PackageManager.SIGNATURE_MATCH) { 8228 throw new SecurityException( 8229 "Caller does not have same cert as old installer package " 8230 + targetPackageSetting.installerPackageName); 8231 } 8232 } 8233 } 8234 8235 // Okay! 8236 targetPackageSetting.installerPackageName = installerPackageName; 8237 scheduleWriteSettingsLocked(); 8238 } 8239 } 8240 8241 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8242 // Queue up an async operation since the package installation may take a little while. 8243 mHandler.post(new Runnable() { 8244 public void run() { 8245 mHandler.removeCallbacks(this); 8246 // Result object to be returned 8247 PackageInstalledInfo res = new PackageInstalledInfo(); 8248 res.returnCode = currentStatus; 8249 res.uid = -1; 8250 res.pkg = null; 8251 res.removedInfo = new PackageRemovedInfo(); 8252 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8253 args.doPreInstall(res.returnCode); 8254 synchronized (mInstallLock) { 8255 installPackageLI(args, true, res); 8256 } 8257 args.doPostInstall(res.returnCode, res.uid); 8258 } 8259 8260 // A restore should be performed at this point if (a) the install 8261 // succeeded, (b) the operation is not an update, and (c) the new 8262 // package has not opted out of backup participation. 8263 final boolean update = res.removedInfo.removedPackage != null; 8264 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8265 boolean doRestore = !update 8266 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8267 8268 // Set up the post-install work request bookkeeping. This will be used 8269 // and cleaned up by the post-install event handling regardless of whether 8270 // there's a restore pass performed. Token values are >= 1. 8271 int token; 8272 if (mNextInstallToken < 0) mNextInstallToken = 1; 8273 token = mNextInstallToken++; 8274 8275 PostInstallData data = new PostInstallData(args, res); 8276 mRunningInstalls.put(token, data); 8277 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8278 8279 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8280 // Pass responsibility to the Backup Manager. It will perform a 8281 // restore if appropriate, then pass responsibility back to the 8282 // Package Manager to run the post-install observer callbacks 8283 // and broadcasts. 8284 IBackupManager bm = IBackupManager.Stub.asInterface( 8285 ServiceManager.getService(Context.BACKUP_SERVICE)); 8286 if (bm != null) { 8287 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8288 + " to BM for possible restore"); 8289 try { 8290 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8291 } catch (RemoteException e) { 8292 // can't happen; the backup manager is local 8293 } catch (Exception e) { 8294 Slog.e(TAG, "Exception trying to enqueue restore", e); 8295 doRestore = false; 8296 } 8297 } else { 8298 Slog.e(TAG, "Backup Manager not found!"); 8299 doRestore = false; 8300 } 8301 } 8302 8303 if (!doRestore) { 8304 // No restore possible, or the Backup Manager was mysteriously not 8305 // available -- just fire the post-install work request directly. 8306 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8307 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8308 mHandler.sendMessage(msg); 8309 } 8310 } 8311 }); 8312 } 8313 8314 private abstract class HandlerParams { 8315 private static final int MAX_RETRIES = 4; 8316 8317 /** 8318 * Number of times startCopy() has been attempted and had a non-fatal 8319 * error. 8320 */ 8321 private int mRetries = 0; 8322 8323 /** User handle for the user requesting the information or installation. */ 8324 private final UserHandle mUser; 8325 8326 HandlerParams(UserHandle user) { 8327 mUser = user; 8328 } 8329 8330 UserHandle getUser() { 8331 return mUser; 8332 } 8333 8334 final boolean startCopy() { 8335 boolean res; 8336 try { 8337 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8338 8339 if (++mRetries > MAX_RETRIES) { 8340 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8341 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8342 handleServiceError(); 8343 return false; 8344 } else { 8345 handleStartCopy(); 8346 res = true; 8347 } 8348 } catch (RemoteException e) { 8349 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8350 mHandler.sendEmptyMessage(MCS_RECONNECT); 8351 res = false; 8352 } 8353 handleReturnCode(); 8354 return res; 8355 } 8356 8357 final void serviceError() { 8358 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8359 handleServiceError(); 8360 handleReturnCode(); 8361 } 8362 8363 abstract void handleStartCopy() throws RemoteException; 8364 abstract void handleServiceError(); 8365 abstract void handleReturnCode(); 8366 } 8367 8368 class MeasureParams extends HandlerParams { 8369 private final PackageStats mStats; 8370 private boolean mSuccess; 8371 8372 private final IPackageStatsObserver mObserver; 8373 8374 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8375 super(new UserHandle(stats.userHandle)); 8376 mObserver = observer; 8377 mStats = stats; 8378 } 8379 8380 @Override 8381 public String toString() { 8382 return "MeasureParams{" 8383 + Integer.toHexString(System.identityHashCode(this)) 8384 + " " + mStats.packageName + "}"; 8385 } 8386 8387 @Override 8388 void handleStartCopy() throws RemoteException { 8389 synchronized (mInstallLock) { 8390 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8391 } 8392 8393 if (mSuccess) { 8394 final boolean mounted; 8395 if (Environment.isExternalStorageEmulated()) { 8396 mounted = true; 8397 } else { 8398 final String status = Environment.getExternalStorageState(); 8399 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8400 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8401 } 8402 8403 if (mounted) { 8404 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8405 8406 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8407 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8408 8409 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8410 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8411 8412 // Always subtract cache size, since it's a subdirectory 8413 mStats.externalDataSize -= mStats.externalCacheSize; 8414 8415 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8416 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8417 8418 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8419 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8420 } 8421 } 8422 } 8423 8424 @Override 8425 void handleReturnCode() { 8426 if (mObserver != null) { 8427 try { 8428 mObserver.onGetStatsCompleted(mStats, mSuccess); 8429 } catch (RemoteException e) { 8430 Slog.i(TAG, "Observer no longer exists."); 8431 } 8432 } 8433 } 8434 8435 @Override 8436 void handleServiceError() { 8437 Slog.e(TAG, "Could not measure application " + mStats.packageName 8438 + " external storage"); 8439 } 8440 } 8441 8442 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8443 throws RemoteException { 8444 long result = 0; 8445 for (File path : paths) { 8446 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8447 } 8448 return result; 8449 } 8450 8451 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8452 for (File path : paths) { 8453 try { 8454 mcs.clearDirectory(path.getAbsolutePath()); 8455 } catch (RemoteException e) { 8456 } 8457 } 8458 } 8459 8460 class InstallParams extends HandlerParams { 8461 /** 8462 * Location where install is coming from, before it has been 8463 * copied/renamed into place. This could be a single monolithic APK 8464 * file, or a cluster directory. This location may be untrusted. 8465 */ 8466 final File originFile; 8467 8468 /** 8469 * Flag indicating that {@link #originFile} has already been staged, 8470 * meaning downstream users don't need to defensively copy the contents. 8471 */ 8472 boolean originStaged; 8473 8474 final IPackageInstallObserver2 observer; 8475 int flags; 8476 final String installerPackageName; 8477 final VerificationParams verificationParams; 8478 private InstallArgs mArgs; 8479 private int mRet; 8480 final String packageAbiOverride; 8481 boolean multiArch; 8482 8483 InstallParams(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 8484 int flags, String installerPackageName, VerificationParams verificationParams, 8485 UserHandle user, String packageAbiOverride) { 8486 super(user); 8487 this.originFile = Preconditions.checkNotNull(originFile); 8488 this.originStaged = originStaged; 8489 this.observer = observer; 8490 this.flags = flags; 8491 this.installerPackageName = installerPackageName; 8492 this.verificationParams = verificationParams; 8493 this.packageAbiOverride = packageAbiOverride; 8494 } 8495 8496 @Override 8497 public String toString() { 8498 return "InstallParams{" 8499 + Integer.toHexString(System.identityHashCode(this)) 8500 + " " + originFile + "}"; 8501 } 8502 8503 public ManifestDigest getManifestDigest() { 8504 if (verificationParams == null) { 8505 return null; 8506 } 8507 return verificationParams.getManifestDigest(); 8508 } 8509 8510 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8511 String packageName = pkgLite.packageName; 8512 int installLocation = pkgLite.installLocation; 8513 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8514 // reader 8515 synchronized (mPackages) { 8516 PackageParser.Package pkg = mPackages.get(packageName); 8517 if (pkg != null) { 8518 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8519 // Check for downgrading. 8520 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8521 if (pkgLite.versionCode < pkg.mVersionCode) { 8522 Slog.w(TAG, "Can't install update of " + packageName 8523 + " update version " + pkgLite.versionCode 8524 + " is older than installed version " 8525 + pkg.mVersionCode); 8526 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8527 } 8528 } 8529 // Check for updated system application. 8530 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8531 if (onSd) { 8532 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8533 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8534 } 8535 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8536 } else { 8537 if (onSd) { 8538 // Install flag overrides everything. 8539 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8540 } 8541 // If current upgrade specifies particular preference 8542 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8543 // Application explicitly specified internal. 8544 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8545 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8546 // App explictly prefers external. Let policy decide 8547 } else { 8548 // Prefer previous location 8549 if (isExternal(pkg)) { 8550 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8551 } 8552 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8553 } 8554 } 8555 } else { 8556 // Invalid install. Return error code 8557 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8558 } 8559 } 8560 } 8561 // All the special cases have been taken care of. 8562 // Return result based on recommended install location. 8563 if (onSd) { 8564 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8565 } 8566 return pkgLite.recommendedInstallLocation; 8567 } 8568 8569 private long getMemoryLowThreshold() { 8570 final DeviceStorageMonitorInternal 8571 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8572 if (dsm == null) { 8573 return 0L; 8574 } 8575 return dsm.getMemoryLowThreshold(); 8576 } 8577 8578 /* 8579 * Invoke remote method to get package information and install 8580 * location values. Override install location based on default 8581 * policy if needed and then create install arguments based 8582 * on the install location. 8583 */ 8584 public void handleStartCopy() throws RemoteException { 8585 int ret = PackageManager.INSTALL_SUCCEEDED; 8586 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8587 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8588 PackageInfoLite pkgLite = null; 8589 8590 if (onInt && onSd) { 8591 // Check if both bits are set. 8592 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8593 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8594 } else { 8595 final long lowThreshold = getMemoryLowThreshold(); 8596 if (lowThreshold == 0L) { 8597 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8598 } 8599 8600 // Remote call to find out default install location 8601 final String originPath = originFile.getAbsolutePath(); 8602 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold, 8603 packageAbiOverride); 8604 // Keep track of whether this package is a multiArch package until 8605 // we perform a full scan of it. We need to do this because we might 8606 // end up extracting the package shared libraries before we perform 8607 // a full scan. 8608 multiArch = pkgLite.multiArch; 8609 8610 /* 8611 * If we have too little free space, try to free cache 8612 * before giving up. 8613 */ 8614 if (pkgLite.recommendedInstallLocation 8615 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8616 final long size = mContainerService.calculateInstalledSize( 8617 originPath, isForwardLocked(), packageAbiOverride); 8618 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8619 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, 8620 lowThreshold, packageAbiOverride); 8621 } 8622 /* 8623 * The cache free must have deleted the file we 8624 * downloaded to install. 8625 * 8626 * TODO: fix the "freeCache" call to not delete 8627 * the file we care about. 8628 */ 8629 if (pkgLite.recommendedInstallLocation 8630 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8631 pkgLite.recommendedInstallLocation 8632 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8633 } 8634 } 8635 } 8636 8637 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8638 int loc = pkgLite.recommendedInstallLocation; 8639 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8640 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8641 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8642 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8643 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8644 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8645 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8646 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8647 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8648 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8649 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8650 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8651 } else { 8652 // Override with defaults if needed. 8653 loc = installLocationPolicy(pkgLite, flags); 8654 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8655 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8656 } else if (!onSd && !onInt) { 8657 // Override install location with flags 8658 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8659 // Set the flag to install on external media. 8660 flags |= PackageManager.INSTALL_EXTERNAL; 8661 flags &= ~PackageManager.INSTALL_INTERNAL; 8662 } else { 8663 // Make sure the flag for installing on external 8664 // media is unset 8665 flags |= PackageManager.INSTALL_INTERNAL; 8666 flags &= ~PackageManager.INSTALL_EXTERNAL; 8667 } 8668 } 8669 } 8670 } 8671 8672 final InstallArgs args = createInstallArgs(this); 8673 mArgs = args; 8674 8675 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8676 /* 8677 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8678 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8679 */ 8680 int userIdentifier = getUser().getIdentifier(); 8681 if (userIdentifier == UserHandle.USER_ALL 8682 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8683 userIdentifier = UserHandle.USER_OWNER; 8684 } 8685 8686 /* 8687 * Determine if we have any installed package verifiers. If we 8688 * do, then we'll defer to them to verify the packages. 8689 */ 8690 final int requiredUid = mRequiredVerifierPackage == null ? -1 8691 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8692 if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) { 8693 // TODO: send verifier the install session instead of uri 8694 final Intent verification = new Intent( 8695 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8696 verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE); 8697 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8698 8699 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8700 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8701 0 /* TODO: Which userId? */); 8702 8703 if (DEBUG_VERIFY) { 8704 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8705 + verification.toString() + " with " + pkgLite.verifiers.length 8706 + " optional verifiers"); 8707 } 8708 8709 final int verificationId = mPendingVerificationToken++; 8710 8711 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8712 8713 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8714 installerPackageName); 8715 8716 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8717 8718 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8719 pkgLite.packageName); 8720 8721 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8722 pkgLite.versionCode); 8723 8724 if (verificationParams != null) { 8725 if (verificationParams.getVerificationURI() != null) { 8726 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8727 verificationParams.getVerificationURI()); 8728 } 8729 if (verificationParams.getOriginatingURI() != null) { 8730 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8731 verificationParams.getOriginatingURI()); 8732 } 8733 if (verificationParams.getReferrer() != null) { 8734 verification.putExtra(Intent.EXTRA_REFERRER, 8735 verificationParams.getReferrer()); 8736 } 8737 if (verificationParams.getOriginatingUid() >= 0) { 8738 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8739 verificationParams.getOriginatingUid()); 8740 } 8741 if (verificationParams.getInstallerUid() >= 0) { 8742 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8743 verificationParams.getInstallerUid()); 8744 } 8745 } 8746 8747 final PackageVerificationState verificationState = new PackageVerificationState( 8748 requiredUid, args); 8749 8750 mPendingVerification.append(verificationId, verificationState); 8751 8752 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8753 receivers, verificationState); 8754 8755 /* 8756 * If any sufficient verifiers were listed in the package 8757 * manifest, attempt to ask them. 8758 */ 8759 if (sufficientVerifiers != null) { 8760 final int N = sufficientVerifiers.size(); 8761 if (N == 0) { 8762 Slog.i(TAG, "Additional verifiers required, but none installed."); 8763 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8764 } else { 8765 for (int i = 0; i < N; i++) { 8766 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8767 8768 final Intent sufficientIntent = new Intent(verification); 8769 sufficientIntent.setComponent(verifierComponent); 8770 8771 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8772 } 8773 } 8774 } 8775 8776 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8777 mRequiredVerifierPackage, receivers); 8778 if (ret == PackageManager.INSTALL_SUCCEEDED 8779 && mRequiredVerifierPackage != null) { 8780 /* 8781 * Send the intent to the required verification agent, 8782 * but only start the verification timeout after the 8783 * target BroadcastReceivers have run. 8784 */ 8785 verification.setComponent(requiredVerifierComponent); 8786 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8787 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8788 new BroadcastReceiver() { 8789 @Override 8790 public void onReceive(Context context, Intent intent) { 8791 final Message msg = mHandler 8792 .obtainMessage(CHECK_PENDING_VERIFICATION); 8793 msg.arg1 = verificationId; 8794 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8795 } 8796 }, null, 0, null, null); 8797 8798 /* 8799 * We don't want the copy to proceed until verification 8800 * succeeds, so null out this field. 8801 */ 8802 mArgs = null; 8803 } 8804 } else { 8805 /* 8806 * No package verification is enabled, so immediately start 8807 * the remote call to initiate copy using temporary file. 8808 */ 8809 ret = args.copyApk(mContainerService, true); 8810 } 8811 } 8812 8813 mRet = ret; 8814 } 8815 8816 @Override 8817 void handleReturnCode() { 8818 // If mArgs is null, then MCS couldn't be reached. When it 8819 // reconnects, it will try again to install. At that point, this 8820 // will succeed. 8821 if (mArgs != null) { 8822 processPendingInstall(mArgs, mRet); 8823 } 8824 } 8825 8826 @Override 8827 void handleServiceError() { 8828 mArgs = createInstallArgs(this); 8829 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8830 } 8831 8832 public boolean isForwardLocked() { 8833 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8834 } 8835 } 8836 8837 /* 8838 * Utility class used in movePackage api. 8839 * srcArgs and targetArgs are not set for invalid flags and make 8840 * sure to do null checks when invoking methods on them. 8841 * We probably want to return ErrorPrams for both failed installs 8842 * and moves. 8843 */ 8844 class MoveParams extends HandlerParams { 8845 final IPackageMoveObserver observer; 8846 final int flags; 8847 final String packageName; 8848 final InstallArgs srcArgs; 8849 final InstallArgs targetArgs; 8850 int uid; 8851 int mRet; 8852 8853 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8854 String packageName, String[] instructionSets, int uid, UserHandle user, 8855 boolean isMultiArch) { 8856 super(user); 8857 this.srcArgs = srcArgs; 8858 this.observer = observer; 8859 this.flags = flags; 8860 this.packageName = packageName; 8861 this.uid = uid; 8862 if (srcArgs != null) { 8863 final String codePath = srcArgs.getCodePath(); 8864 targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName, 8865 instructionSets, isMultiArch); 8866 } else { 8867 targetArgs = null; 8868 } 8869 } 8870 8871 @Override 8872 public String toString() { 8873 return "MoveParams{" 8874 + Integer.toHexString(System.identityHashCode(this)) 8875 + " " + packageName + "}"; 8876 } 8877 8878 public void handleStartCopy() throws RemoteException { 8879 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8880 // Check for storage space on target medium 8881 if (!targetArgs.checkFreeStorage(mContainerService)) { 8882 Log.w(TAG, "Insufficient storage to install"); 8883 return; 8884 } 8885 8886 mRet = srcArgs.doPreCopy(); 8887 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8888 return; 8889 } 8890 8891 mRet = targetArgs.copyApk(mContainerService, false); 8892 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8893 srcArgs.doPostCopy(uid); 8894 return; 8895 } 8896 8897 mRet = srcArgs.doPostCopy(uid); 8898 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8899 return; 8900 } 8901 8902 mRet = targetArgs.doPreInstall(mRet); 8903 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8904 return; 8905 } 8906 8907 if (DEBUG_SD_INSTALL) { 8908 StringBuilder builder = new StringBuilder(); 8909 if (srcArgs != null) { 8910 builder.append("src: "); 8911 builder.append(srcArgs.getCodePath()); 8912 } 8913 if (targetArgs != null) { 8914 builder.append(" target : "); 8915 builder.append(targetArgs.getCodePath()); 8916 } 8917 Log.i(TAG, builder.toString()); 8918 } 8919 } 8920 8921 @Override 8922 void handleReturnCode() { 8923 targetArgs.doPostInstall(mRet, uid); 8924 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8925 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8926 currentStatus = PackageManager.MOVE_SUCCEEDED; 8927 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8928 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8929 } 8930 processPendingMove(this, currentStatus); 8931 } 8932 8933 @Override 8934 void handleServiceError() { 8935 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8936 } 8937 } 8938 8939 /** 8940 * Used during creation of InstallArgs 8941 * 8942 * @param flags package installation flags 8943 * @return true if should be installed on external storage 8944 */ 8945 private static boolean installOnSd(int flags) { 8946 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8947 return false; 8948 } 8949 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8950 return true; 8951 } 8952 return false; 8953 } 8954 8955 /** 8956 * Used during creation of InstallArgs 8957 * 8958 * @param flags package installation flags 8959 * @return true if should be installed as forward locked 8960 */ 8961 private static boolean installForwardLocked(int flags) { 8962 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8963 } 8964 8965 private InstallArgs createInstallArgs(InstallParams params) { 8966 // TODO: extend to support incoming zero-copy locations 8967 8968 if (installOnSd(params.flags) || params.isForwardLocked()) { 8969 return new AsecInstallArgs(params); 8970 } else { 8971 return new FileInstallArgs(params); 8972 } 8973 } 8974 8975 /** 8976 * Create args that describe an existing installed package. Typically used 8977 * when cleaning up old installs, or used as a move source. 8978 */ 8979 private InstallArgs createInstallArgsForExisting(int flags, String codePath, 8980 String resourcePath, String nativeLibraryRoot, String[] instructionSets, 8981 boolean isMultiArch) { 8982 final boolean isInAsec; 8983 if (installOnSd(flags)) { 8984 /* Apps on SD card are always in ASEC containers. */ 8985 isInAsec = true; 8986 } else if (installForwardLocked(flags) 8987 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8988 /* 8989 * Forward-locked apps are only in ASEC containers if they're the 8990 * new style 8991 */ 8992 isInAsec = true; 8993 } else { 8994 isInAsec = false; 8995 } 8996 8997 if (isInAsec) { 8998 return new AsecInstallArgs(codePath, instructionSets, 8999 installOnSd(flags), installForwardLocked(flags), isMultiArch); 9000 } else { 9001 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9002 instructionSets, isMultiArch); 9003 } 9004 } 9005 9006 private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName, 9007 String[] instructionSets, boolean isMultiArch) { 9008 final File codeFile = new File(codePath); 9009 if (installOnSd(flags) || installForwardLocked(flags)) { 9010 String cid = getNextCodePath(codePath, pkgName, "/" 9011 + AsecInstallArgs.RES_FILE_NAME); 9012 return new AsecInstallArgs(codeFile, cid, instructionSets, installOnSd(flags), 9013 installForwardLocked(flags), isMultiArch); 9014 } else { 9015 return new FileInstallArgs(codeFile, instructionSets, isMultiArch); 9016 } 9017 } 9018 9019 static abstract class InstallArgs { 9020 /** @see InstallParams#originFile */ 9021 final File originFile; 9022 /** @see InstallParams#originStaged */ 9023 final boolean originStaged; 9024 9025 // TODO: define inherit location 9026 9027 final IPackageInstallObserver2 observer; 9028 // Always refers to PackageManager flags only 9029 final int flags; 9030 final String installerPackageName; 9031 final ManifestDigest manifestDigest; 9032 final UserHandle user; 9033 final String abiOverride; 9034 final boolean multiArch; 9035 9036 // The list of instruction sets supported by this app. This is currently 9037 // only used during the rmdex() phase to clean up resources. We can get rid of this 9038 // if we move dex files under the common app path. 9039 /* nullable */ String[] instructionSets; 9040 9041 InstallArgs(File originFile, boolean originStaged, IPackageInstallObserver2 observer, 9042 int flags, String installerPackageName, ManifestDigest manifestDigest, 9043 UserHandle user, String[] instructionSets, 9044 String abiOverride, boolean multiArch) { 9045 this.originFile = originFile; 9046 this.originStaged = originStaged; 9047 this.flags = flags; 9048 this.observer = observer; 9049 this.installerPackageName = installerPackageName; 9050 this.manifestDigest = manifestDigest; 9051 this.user = user; 9052 this.instructionSets = instructionSets; 9053 this.abiOverride = abiOverride; 9054 this.multiArch = multiArch; 9055 } 9056 9057 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9058 abstract int doPreInstall(int status); 9059 9060 /** 9061 * Rename package into final resting place. All paths on the given 9062 * scanned package should be updated to reflect the rename. 9063 */ 9064 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9065 abstract int doPostInstall(int status, int uid); 9066 9067 /** @see PackageSettingBase#codePathString */ 9068 abstract String getCodePath(); 9069 /** @see PackageSettingBase#resourcePathString */ 9070 abstract String getResourcePath(); 9071 abstract String getLegacyNativeLibraryPath(); 9072 9073 // Need installer lock especially for dex file removal. 9074 abstract void cleanUpResourcesLI(); 9075 abstract boolean doPostDeleteLI(boolean delete); 9076 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9077 9078 /** 9079 * Called before the source arguments are copied. This is used mostly 9080 * for MoveParams when it needs to read the source file to put it in the 9081 * destination. 9082 */ 9083 int doPreCopy() { 9084 return PackageManager.INSTALL_SUCCEEDED; 9085 } 9086 9087 /** 9088 * Called after the source arguments are copied. This is used mostly for 9089 * MoveParams when it needs to read the source file to put it in the 9090 * destination. 9091 * 9092 * @return 9093 */ 9094 int doPostCopy(int uid) { 9095 return PackageManager.INSTALL_SUCCEEDED; 9096 } 9097 9098 protected boolean isFwdLocked() { 9099 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9100 } 9101 9102 UserHandle getUser() { 9103 return user; 9104 } 9105 } 9106 9107 /** 9108 * Logic to handle installation of non-ASEC applications, including copying 9109 * and renaming logic. 9110 */ 9111 class FileInstallArgs extends InstallArgs { 9112 private File codeFile; 9113 private File resourceFile; 9114 private File legacyNativeLibraryPath; 9115 9116 // Example topology: 9117 // /data/app/com.example/base.apk 9118 // /data/app/com.example/split_foo.apk 9119 // /data/app/com.example/lib/arm/libfoo.so 9120 // /data/app/com.example/lib/arm64/libfoo.so 9121 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9122 9123 /** New install */ 9124 FileInstallArgs(InstallParams params) { 9125 super(params.originFile, params.originStaged, params.observer, params.flags, 9126 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9127 null /* instruction sets */, params.packageAbiOverride, 9128 params.multiArch); 9129 if (isFwdLocked()) { 9130 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9131 } 9132 } 9133 9134 /** Existing install */ 9135 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9136 String[] instructionSets, boolean isMultiArch) { 9137 super(null, false, null, 0, null, null, null, instructionSets, null, isMultiArch); 9138 this.codeFile = (codePath != null) ? new File(codePath) : null; 9139 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9140 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9141 new File(legacyNativeLibraryPath) : null; 9142 } 9143 9144 /** New install from existing */ 9145 FileInstallArgs(File originFile, String[] instructionSets, boolean isMultiArch) { 9146 super(originFile, false, null, 0, null, null, null, instructionSets, null, 9147 isMultiArch); 9148 } 9149 9150 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9151 final long lowThreshold; 9152 9153 final DeviceStorageMonitorInternal 9154 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9155 if (dsm == null) { 9156 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9157 lowThreshold = 0L; 9158 } else { 9159 if (dsm.isMemoryLow()) { 9160 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9161 return false; 9162 } 9163 9164 lowThreshold = dsm.getMemoryLowThreshold(); 9165 } 9166 9167 return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9168 lowThreshold); 9169 } 9170 9171 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9172 int ret = PackageManager.INSTALL_SUCCEEDED; 9173 9174 if (originStaged) { 9175 Slog.d(TAG, originFile + " already staged; skipping copy"); 9176 codeFile = originFile; 9177 resourceFile = originFile; 9178 } else { 9179 try { 9180 final File tempDir = mInstallerService.allocateSessionDir(); 9181 codeFile = tempDir; 9182 resourceFile = tempDir; 9183 } catch (IOException e) { 9184 Slog.w(TAG, "Failed to create copy file: " + e); 9185 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9186 } 9187 9188 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9189 @Override 9190 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9191 if (!FileUtils.isValidExtFilename(name)) { 9192 throw new IllegalArgumentException("Invalid filename: " + name); 9193 } 9194 try { 9195 final File file = new File(codeFile, name); 9196 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9197 O_RDWR | O_CREAT, 0644); 9198 Os.chmod(file.getAbsolutePath(), 0644); 9199 return new ParcelFileDescriptor(fd); 9200 } catch (ErrnoException e) { 9201 throw new RemoteException("Failed to open: " + e.getMessage()); 9202 } 9203 } 9204 }; 9205 9206 ret = imcs.copyPackage(originFile.getAbsolutePath(), target); 9207 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9208 Slog.e(TAG, "Failed to copy package"); 9209 return ret; 9210 } 9211 } 9212 9213 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9214 NativeLibraryHelper.Handle handle = null; 9215 try { 9216 handle = NativeLibraryHelper.Handle.create(codeFile); 9217 if (multiArch) { 9218 // Warn if we've set an abiOverride for multi-lib packages.. 9219 // By definition, we need to copy both 32 and 64 bit libraries for 9220 // such packages. 9221 if (abiOverride != null) { 9222 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 9223 } 9224 9225 int copyRet = PackageManager.NO_NATIVE_LIBRARIES; 9226 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 9227 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9228 Build.SUPPORTED_32_BIT_ABIS, true /* use isa specific subdirs */); 9229 maybeThrowExceptionForMultiArchCopy("Failure copying 32 bit native libraries", copyRet); 9230 } 9231 9232 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 9233 copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, 9234 Build.SUPPORTED_64_BIT_ABIS, true /* use isa specific subdirs */); 9235 maybeThrowExceptionForMultiArchCopy("Failure copying 64 bit native libraries", copyRet); 9236 } 9237 } else { 9238 String[] abiList = (abiOverride != null) ? 9239 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9240 9241 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null && 9242 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9243 abiList = Build.SUPPORTED_32_BIT_ABIS; 9244 } 9245 9246 int copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, abiList, 9247 true /* use isa specific subdirs */); 9248 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9249 Slog.w(TAG, "Failure copying native libraries [errorCode=" + copyRet + "]"); 9250 return copyRet; 9251 } 9252 } 9253 } catch (IOException e) { 9254 Slog.e(TAG, "Copying native libraries failed", e); 9255 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9256 } catch (PackageManagerException pme) { 9257 Slog.e(TAG, "Copying native libraries failed", pme); 9258 ret = pme.error; 9259 } finally { 9260 IoUtils.closeQuietly(handle); 9261 } 9262 9263 return ret; 9264 } 9265 9266 int doPreInstall(int status) { 9267 if (status != PackageManager.INSTALL_SUCCEEDED) { 9268 cleanUp(); 9269 } 9270 return status; 9271 } 9272 9273 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9274 if (status != PackageManager.INSTALL_SUCCEEDED) { 9275 cleanUp(); 9276 return false; 9277 } else { 9278 final File beforeCodeFile = codeFile; 9279 final File afterCodeFile = getNextCodePath(pkg.packageName); 9280 9281 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9282 try { 9283 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9284 } catch (ErrnoException e) { 9285 Slog.d(TAG, "Failed to rename", e); 9286 return false; 9287 } 9288 9289 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9290 Slog.d(TAG, "Failed to restorecon"); 9291 return false; 9292 } 9293 9294 // Reflect the rename internally 9295 codeFile = afterCodeFile; 9296 resourceFile = afterCodeFile; 9297 9298 // Reflect the rename in scanned details 9299 pkg.codePath = afterCodeFile.getAbsolutePath(); 9300 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9301 pkg.baseCodePath); 9302 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9303 pkg.splitCodePaths); 9304 9305 // Reflect the rename in app info 9306 pkg.applicationInfo.setCodePath(pkg.codePath); 9307 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9308 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9309 pkg.applicationInfo.setResourcePath(pkg.codePath); 9310 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9311 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9312 9313 return true; 9314 } 9315 } 9316 9317 int doPostInstall(int status, int uid) { 9318 if (status != PackageManager.INSTALL_SUCCEEDED) { 9319 cleanUp(); 9320 } 9321 return status; 9322 } 9323 9324 @Override 9325 String getCodePath() { 9326 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9327 } 9328 9329 @Override 9330 String getResourcePath() { 9331 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9332 } 9333 9334 @Override 9335 String getLegacyNativeLibraryPath() { 9336 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9337 } 9338 9339 private boolean cleanUp() { 9340 if (codeFile == null || !codeFile.exists()) { 9341 return false; 9342 } 9343 9344 if (codeFile.isDirectory()) { 9345 FileUtils.deleteContents(codeFile); 9346 } 9347 codeFile.delete(); 9348 9349 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9350 resourceFile.delete(); 9351 } 9352 9353 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9354 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9355 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9356 } 9357 legacyNativeLibraryPath.delete(); 9358 } 9359 9360 return true; 9361 } 9362 9363 void cleanUpResourcesLI() { 9364 // Try enumerating all code paths before deleting 9365 List<String> allCodePaths = Collections.EMPTY_LIST; 9366 if (codeFile != null && codeFile.exists()) { 9367 try { 9368 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9369 allCodePaths = pkg.getAllCodePaths(); 9370 } catch (PackageParserException e) { 9371 // Ignored; we tried our best 9372 } 9373 } 9374 9375 cleanUp(); 9376 9377 if (!allCodePaths.isEmpty()) { 9378 if (instructionSets == null) { 9379 throw new IllegalStateException("instructionSet == null"); 9380 } 9381 9382 for (String codePath : allCodePaths) { 9383 for (String instructionSet : instructionSets) { 9384 int retCode = mInstaller.rmdex(codePath, instructionSet); 9385 if (retCode < 0) { 9386 Slog.w(TAG, "Couldn't remove dex file for package: " 9387 + " at location " + codePath + ", retcode=" + retCode); 9388 // we don't consider this to be a failure of the core package deletion 9389 } 9390 } 9391 } 9392 } 9393 } 9394 9395 boolean doPostDeleteLI(boolean delete) { 9396 // XXX err, shouldn't we respect the delete flag? 9397 cleanUpResourcesLI(); 9398 return true; 9399 } 9400 } 9401 9402 private boolean isAsecExternal(String cid) { 9403 final String asecPath = PackageHelper.getSdFilesystem(cid); 9404 return !asecPath.startsWith(mAsecInternalPath); 9405 } 9406 9407 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9408 PackageManagerException { 9409 if (copyRet < 0) { 9410 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9411 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9412 throw new PackageManagerException(copyRet, message); 9413 } 9414 } 9415 } 9416 9417 /** 9418 * Extract the MountService "container ID" from the full code path of an 9419 * .apk. 9420 */ 9421 static String cidFromCodePath(String fullCodePath) { 9422 int eidx = fullCodePath.lastIndexOf("/"); 9423 String subStr1 = fullCodePath.substring(0, eidx); 9424 int sidx = subStr1.lastIndexOf("/"); 9425 return subStr1.substring(sidx+1, eidx); 9426 } 9427 9428 /** 9429 * Logic to handle installation of ASEC applications, including copying and 9430 * renaming logic. 9431 */ 9432 class AsecInstallArgs extends InstallArgs { 9433 // TODO: teach about handling cluster directories 9434 9435 static final String RES_FILE_NAME = "pkg.apk"; 9436 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9437 9438 String cid; 9439 String packagePath; 9440 String resourcePath; 9441 String legacyNativeLibraryDir; 9442 9443 /** New install */ 9444 AsecInstallArgs(InstallParams params) { 9445 super(params.originFile, params.originStaged, params.observer, params.flags, 9446 params.installerPackageName, params.getManifestDigest(), 9447 params.getUser(), null /* instruction sets */, 9448 params.packageAbiOverride, params.multiArch); 9449 } 9450 9451 /** Existing install */ 9452 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9453 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9454 super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9455 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9456 instructionSets, null, isMultiArch); 9457 // Extract cid from fullCodePath 9458 int eidx = fullCodePath.lastIndexOf("/"); 9459 String subStr1 = fullCodePath.substring(0, eidx); 9460 int sidx = subStr1.lastIndexOf("/"); 9461 cid = subStr1.substring(sidx+1, eidx); 9462 setCachePath(subStr1); 9463 } 9464 9465 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked, 9466 boolean isMultiArch) { 9467 super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9468 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9469 instructionSets, null, isMultiArch); 9470 this.cid = cid; 9471 setCachePath(PackageHelper.getSdDir(cid)); 9472 } 9473 9474 /** New install from existing */ 9475 AsecInstallArgs(File originPackageFile, String cid, String[] instructionSets, 9476 boolean isExternal, boolean isForwardLocked, boolean isMultiArch) { 9477 super(originPackageFile, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9478 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9479 instructionSets, null, isMultiArch); 9480 this.cid = cid; 9481 } 9482 9483 void createCopyFile() { 9484 cid = getTempContainerId(); 9485 } 9486 9487 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9488 return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9489 abiOverride); 9490 } 9491 9492 private final boolean isExternal() { 9493 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9494 } 9495 9496 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9497 if (temp) { 9498 createCopyFile(); 9499 } else { 9500 /* 9501 * Pre-emptively destroy the container since it's destroyed if 9502 * copying fails due to it existing anyway. 9503 */ 9504 PackageHelper.destroySdDir(cid); 9505 } 9506 9507 final String newCachePath = imcs.copyPackageToContainer( 9508 originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9509 isFwdLocked(), abiOverride); 9510 9511 if (newCachePath != null) { 9512 setCachePath(newCachePath); 9513 return PackageManager.INSTALL_SUCCEEDED; 9514 } else { 9515 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9516 } 9517 } 9518 9519 @Override 9520 String getCodePath() { 9521 return packagePath; 9522 } 9523 9524 @Override 9525 String getResourcePath() { 9526 return resourcePath; 9527 } 9528 9529 @Override 9530 String getLegacyNativeLibraryPath() { 9531 return legacyNativeLibraryDir; 9532 } 9533 9534 int doPreInstall(int status) { 9535 if (status != PackageManager.INSTALL_SUCCEEDED) { 9536 // Destroy container 9537 PackageHelper.destroySdDir(cid); 9538 } else { 9539 boolean mounted = PackageHelper.isContainerMounted(cid); 9540 if (!mounted) { 9541 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9542 Process.SYSTEM_UID); 9543 if (newCachePath != null) { 9544 setCachePath(newCachePath); 9545 } else { 9546 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9547 } 9548 } 9549 } 9550 return status; 9551 } 9552 9553 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9554 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9555 String newCachePath = null; 9556 if (PackageHelper.isContainerMounted(cid)) { 9557 // Unmount the container 9558 if (!PackageHelper.unMountSdDir(cid)) { 9559 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9560 return false; 9561 } 9562 } 9563 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9564 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9565 " which might be stale. Will try to clean up."); 9566 // Clean up the stale container and proceed to recreate. 9567 if (!PackageHelper.destroySdDir(newCacheId)) { 9568 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9569 return false; 9570 } 9571 // Successfully cleaned up stale container. Try to rename again. 9572 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9573 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9574 + " inspite of cleaning it up."); 9575 return false; 9576 } 9577 } 9578 if (!PackageHelper.isContainerMounted(newCacheId)) { 9579 Slog.w(TAG, "Mounting container " + newCacheId); 9580 newCachePath = PackageHelper.mountSdDir(newCacheId, 9581 getEncryptKey(), Process.SYSTEM_UID); 9582 } else { 9583 newCachePath = PackageHelper.getSdDir(newCacheId); 9584 } 9585 if (newCachePath == null) { 9586 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9587 return false; 9588 } 9589 Log.i(TAG, "Succesfully renamed " + cid + 9590 " to " + newCacheId + 9591 " at new path: " + newCachePath); 9592 cid = newCacheId; 9593 setCachePath(newCachePath); 9594 9595 // TODO: extend to support split APKs 9596 pkg.codePath = getCodePath(); 9597 pkg.baseCodePath = getCodePath(); 9598 pkg.splitCodePaths = null; 9599 9600 pkg.applicationInfo.setCodePath(getCodePath()); 9601 pkg.applicationInfo.setBaseCodePath(getCodePath()); 9602 pkg.applicationInfo.setSplitCodePaths(null); 9603 pkg.applicationInfo.setResourcePath(getResourcePath()); 9604 pkg.applicationInfo.setBaseResourcePath(getResourcePath()); 9605 pkg.applicationInfo.setSplitResourcePaths(null); 9606 9607 return true; 9608 } 9609 9610 private void setCachePath(String newCachePath) { 9611 File cachePath = new File(newCachePath); 9612 legacyNativeLibraryDir = new File(cachePath, LIB_DIR_NAME).getPath(); 9613 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9614 9615 if (isFwdLocked()) { 9616 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9617 } else { 9618 resourcePath = packagePath; 9619 } 9620 } 9621 9622 int doPostInstall(int status, int uid) { 9623 if (status != PackageManager.INSTALL_SUCCEEDED) { 9624 cleanUp(); 9625 } else { 9626 final int groupOwner; 9627 final String protectedFile; 9628 if (isFwdLocked()) { 9629 groupOwner = UserHandle.getSharedAppGid(uid); 9630 protectedFile = RES_FILE_NAME; 9631 } else { 9632 groupOwner = -1; 9633 protectedFile = null; 9634 } 9635 9636 if (uid < Process.FIRST_APPLICATION_UID 9637 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9638 Slog.e(TAG, "Failed to finalize " + cid); 9639 PackageHelper.destroySdDir(cid); 9640 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9641 } 9642 9643 boolean mounted = PackageHelper.isContainerMounted(cid); 9644 if (!mounted) { 9645 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9646 } 9647 } 9648 return status; 9649 } 9650 9651 private void cleanUp() { 9652 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9653 9654 // Destroy secure container 9655 PackageHelper.destroySdDir(cid); 9656 } 9657 9658 void cleanUpResourcesLI() { 9659 String sourceFile = getCodePath(); 9660 // Remove dex file 9661 if (instructionSets == null) { 9662 throw new IllegalStateException("instructionSet == null"); 9663 } 9664 for (String instructionSet : instructionSets) { 9665 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9666 if (retCode < 0) { 9667 Slog.w(TAG, "Couldn't remove dex file for package: " 9668 + " at location " 9669 + sourceFile.toString() + ", retcode=" + retCode); 9670 // we don't consider this to be a failure of the core package deletion 9671 } 9672 } 9673 cleanUp(); 9674 } 9675 9676 boolean matchContainer(String app) { 9677 if (cid.startsWith(app)) { 9678 return true; 9679 } 9680 return false; 9681 } 9682 9683 String getPackageName() { 9684 return getAsecPackageName(cid); 9685 } 9686 9687 boolean doPostDeleteLI(boolean delete) { 9688 boolean ret = false; 9689 boolean mounted = PackageHelper.isContainerMounted(cid); 9690 if (mounted) { 9691 // Unmount first 9692 ret = PackageHelper.unMountSdDir(cid); 9693 } 9694 if (ret && delete) { 9695 cleanUpResourcesLI(); 9696 } 9697 return ret; 9698 } 9699 9700 @Override 9701 int doPreCopy() { 9702 if (isFwdLocked()) { 9703 if (!PackageHelper.fixSdPermissions(cid, 9704 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9705 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9706 } 9707 } 9708 9709 return PackageManager.INSTALL_SUCCEEDED; 9710 } 9711 9712 @Override 9713 int doPostCopy(int uid) { 9714 if (isFwdLocked()) { 9715 if (uid < Process.FIRST_APPLICATION_UID 9716 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9717 RES_FILE_NAME)) { 9718 Slog.e(TAG, "Failed to finalize " + cid); 9719 PackageHelper.destroySdDir(cid); 9720 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9721 } 9722 } 9723 9724 return PackageManager.INSTALL_SUCCEEDED; 9725 } 9726 } 9727 9728 static String getAsecPackageName(String packageCid) { 9729 int idx = packageCid.lastIndexOf("-"); 9730 if (idx == -1) { 9731 return packageCid; 9732 } 9733 return packageCid.substring(0, idx); 9734 } 9735 9736 // Utility method used to create code paths based on package name and available index. 9737 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9738 String idxStr = ""; 9739 int idx = 1; 9740 // Fall back to default value of idx=1 if prefix is not 9741 // part of oldCodePath 9742 if (oldCodePath != null) { 9743 String subStr = oldCodePath; 9744 // Drop the suffix right away 9745 if (suffix != null && subStr.endsWith(suffix)) { 9746 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9747 } 9748 // If oldCodePath already contains prefix find out the 9749 // ending index to either increment or decrement. 9750 int sidx = subStr.lastIndexOf(prefix); 9751 if (sidx != -1) { 9752 subStr = subStr.substring(sidx + prefix.length()); 9753 if (subStr != null) { 9754 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9755 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9756 } 9757 try { 9758 idx = Integer.parseInt(subStr); 9759 if (idx <= 1) { 9760 idx++; 9761 } else { 9762 idx--; 9763 } 9764 } catch(NumberFormatException e) { 9765 } 9766 } 9767 } 9768 } 9769 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9770 return prefix + idxStr; 9771 } 9772 9773 private File getNextCodePath(String packageName) { 9774 int suffix = 1; 9775 File result; 9776 do { 9777 result = new File(mAppInstallDir, packageName + "-" + suffix); 9778 suffix++; 9779 } while (result.exists()); 9780 return result; 9781 } 9782 9783 // Utility method used to ignore ADD/REMOVE events 9784 // by directory observer. 9785 private static boolean ignoreCodePath(String fullPathStr) { 9786 String apkName = deriveCodePathName(fullPathStr); 9787 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9788 if (idx != -1 && ((idx+1) < apkName.length())) { 9789 // Make sure the package ends with a numeral 9790 String version = apkName.substring(idx+1); 9791 try { 9792 Integer.parseInt(version); 9793 return true; 9794 } catch (NumberFormatException e) {} 9795 } 9796 return false; 9797 } 9798 9799 // Utility method that returns the relative package path with respect 9800 // to the installation directory. Like say for /data/data/com.test-1.apk 9801 // string com.test-1 is returned. 9802 static String deriveCodePathName(String codePath) { 9803 if (codePath == null) { 9804 return null; 9805 } 9806 final File codeFile = new File(codePath); 9807 final String name = codeFile.getName(); 9808 if (codeFile.isDirectory()) { 9809 return name; 9810 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9811 final int lastDot = name.lastIndexOf('.'); 9812 return name.substring(0, lastDot); 9813 } else { 9814 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9815 return null; 9816 } 9817 } 9818 9819 class PackageInstalledInfo { 9820 String name; 9821 int uid; 9822 // The set of users that originally had this package installed. 9823 int[] origUsers; 9824 // The set of users that now have this package installed. 9825 int[] newUsers; 9826 PackageParser.Package pkg; 9827 int returnCode; 9828 String returnMsg; 9829 PackageRemovedInfo removedInfo; 9830 9831 public void setError(int code, String msg) { 9832 returnCode = code; 9833 returnMsg = msg; 9834 Slog.w(TAG, msg); 9835 } 9836 9837 public void setError(String msg, PackageParserException e) { 9838 returnCode = e.error; 9839 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9840 Slog.w(TAG, msg, e); 9841 } 9842 9843 public void setError(String msg, PackageManagerException e) { 9844 returnCode = e.error; 9845 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9846 Slog.w(TAG, msg, e); 9847 } 9848 9849 // In some error cases we want to convey more info back to the observer 9850 String origPackage; 9851 String origPermission; 9852 } 9853 9854 /* 9855 * Install a non-existing package. 9856 */ 9857 private void installNewPackageLI(PackageParser.Package pkg, 9858 int parseFlags, int scanMode, UserHandle user, 9859 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9860 // Remember this for later, in case we need to rollback this install 9861 String pkgName = pkg.packageName; 9862 9863 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9864 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9865 synchronized(mPackages) { 9866 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9867 // A package with the same name is already installed, though 9868 // it has been renamed to an older name. The package we 9869 // are trying to install should be installed as an update to 9870 // the existing one, but that has not been requested, so bail. 9871 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9872 + " without first uninstalling package running as " 9873 + mSettings.mRenamedPackages.get(pkgName)); 9874 return; 9875 } 9876 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9877 // Don't allow installation over an existing package with the same name. 9878 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9879 + " without first uninstalling."); 9880 return; 9881 } 9882 } 9883 9884 try { 9885 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9886 System.currentTimeMillis(), user, abiOverride); 9887 9888 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9889 // delete the partially installed application. the data directory will have to be 9890 // restored if it was already existing 9891 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9892 // remove package from internal structures. Note that we want deletePackageX to 9893 // delete the package data and cache directories that it created in 9894 // scanPackageLocked, unless those directories existed before we even tried to 9895 // install. 9896 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9897 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9898 res.removedInfo, true); 9899 } 9900 9901 } catch (PackageManagerException e) { 9902 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9903 } 9904 } 9905 9906 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9907 // Upgrade keysets are being used. Determine if new package has a superset of the 9908 // required keys. 9909 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9910 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9911 for (int i = 0; i < upgradeKeySets.length; i++) { 9912 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9913 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9914 return true; 9915 } 9916 } 9917 return false; 9918 } 9919 9920 private void replacePackageLI(PackageParser.Package pkg, 9921 int parseFlags, int scanMode, UserHandle user, 9922 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9923 PackageParser.Package oldPackage; 9924 String pkgName = pkg.packageName; 9925 int[] allUsers; 9926 boolean[] perUserInstalled; 9927 9928 // First find the old package info and check signatures 9929 synchronized(mPackages) { 9930 oldPackage = mPackages.get(pkgName); 9931 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9932 PackageSetting ps = mSettings.mPackages.get(pkgName); 9933 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9934 // default to original signature matching 9935 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9936 != PackageManager.SIGNATURE_MATCH) { 9937 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9938 "New package has a different signature: " + pkgName); 9939 return; 9940 } 9941 } else { 9942 if(!checkUpgradeKeySetLP(ps, pkg)) { 9943 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9944 "New package not signed by keys specified by upgrade-keysets: " 9945 + pkgName); 9946 return; 9947 } 9948 } 9949 9950 // In case of rollback, remember per-user/profile install state 9951 allUsers = sUserManager.getUserIds(); 9952 perUserInstalled = new boolean[allUsers.length]; 9953 for (int i = 0; i < allUsers.length; i++) { 9954 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9955 } 9956 } 9957 9958 boolean sysPkg = (isSystemApp(oldPackage)); 9959 if (sysPkg) { 9960 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9961 user, allUsers, perUserInstalled, installerPackageName, res, 9962 abiOverride); 9963 } else { 9964 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9965 user, allUsers, perUserInstalled, installerPackageName, res, 9966 abiOverride); 9967 } 9968 } 9969 9970 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9971 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9972 int[] allUsers, boolean[] perUserInstalled, 9973 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9974 String pkgName = deletedPackage.packageName; 9975 boolean deletedPkg = true; 9976 boolean updatedSettings = false; 9977 9978 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9979 + deletedPackage); 9980 long origUpdateTime; 9981 if (pkg.mExtras != null) { 9982 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9983 } else { 9984 origUpdateTime = 0; 9985 } 9986 9987 // First delete the existing package while retaining the data directory 9988 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9989 res.removedInfo, true)) { 9990 // If the existing package wasn't successfully deleted 9991 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 9992 deletedPkg = false; 9993 } else { 9994 // Successfully deleted the old package. Now proceed with re-installation 9995 deleteCodeCacheDirsLI(pkgName); 9996 try { 9997 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 9998 scanMode | SCAN_UPDATE_TIME, System.currentTimeMillis(), user, abiOverride); 9999 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10000 updatedSettings = true; 10001 } catch (PackageManagerException e) { 10002 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10003 } 10004 } 10005 10006 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10007 // remove package from internal structures. Note that we want deletePackageX to 10008 // delete the package data and cache directories that it created in 10009 // scanPackageLocked, unless those directories existed before we even tried to 10010 // install. 10011 if(updatedSettings) { 10012 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10013 deletePackageLI( 10014 pkgName, null, true, allUsers, perUserInstalled, 10015 PackageManager.DELETE_KEEP_DATA, 10016 res.removedInfo, true); 10017 } 10018 // Since we failed to install the new package we need to restore the old 10019 // package that we deleted. 10020 if (deletedPkg) { 10021 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10022 File restoreFile = new File(deletedPackage.codePath); 10023 // Parse old package 10024 boolean oldOnSd = isExternal(deletedPackage); 10025 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10026 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10027 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10028 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 10029 | SCAN_UPDATE_TIME; 10030 try { 10031 scanPackageLI(restoreFile, oldParseFlags, oldScanMode, origUpdateTime, null, 10032 null); 10033 } catch (PackageManagerException e) { 10034 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10035 + e.getMessage()); 10036 return; 10037 } 10038 // Restore of old package succeeded. Update permissions. 10039 // writer 10040 synchronized (mPackages) { 10041 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10042 UPDATE_PERMISSIONS_ALL); 10043 // can downgrade to reader 10044 mSettings.writeLPr(); 10045 } 10046 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10047 } 10048 } 10049 } 10050 10051 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10052 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 10053 int[] allUsers, boolean[] perUserInstalled, 10054 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 10055 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10056 + ", old=" + deletedPackage); 10057 boolean updatedSettings = false; 10058 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 10059 PackageParser.PARSE_IS_SYSTEM; 10060 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10061 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10062 } 10063 String packageName = deletedPackage.packageName; 10064 if (packageName == null) { 10065 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10066 "Attempt to delete null packageName."); 10067 return; 10068 } 10069 PackageParser.Package oldPkg; 10070 PackageSetting oldPkgSetting; 10071 // reader 10072 synchronized (mPackages) { 10073 oldPkg = mPackages.get(packageName); 10074 oldPkgSetting = mSettings.mPackages.get(packageName); 10075 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10076 (oldPkgSetting == null)) { 10077 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10078 "Couldn't find package:" + packageName + " information"); 10079 return; 10080 } 10081 } 10082 10083 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10084 10085 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10086 res.removedInfo.removedPackage = packageName; 10087 // Remove existing system package 10088 removePackageLI(oldPkgSetting, true); 10089 // writer 10090 synchronized (mPackages) { 10091 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10092 // We didn't need to disable the .apk as a current system package, 10093 // which means we are replacing another update that is already 10094 // installed. We need to make sure to delete the older one's .apk. 10095 res.removedInfo.args = createInstallArgsForExisting(0, 10096 deletedPackage.applicationInfo.getCodePath(), 10097 deletedPackage.applicationInfo.getResourcePath(), 10098 deletedPackage.applicationInfo.nativeLibraryRootDir, 10099 getAppDexInstructionSets(deletedPackage.applicationInfo), 10100 isMultiArch(deletedPackage.applicationInfo)); 10101 } else { 10102 res.removedInfo.args = null; 10103 } 10104 } 10105 10106 // Successfully disabled the old package. Now proceed with re-installation 10107 deleteCodeCacheDirsLI(packageName); 10108 10109 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10110 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10111 10112 PackageParser.Package newPackage = null; 10113 try { 10114 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10115 if (newPackage.mExtras != null) { 10116 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10117 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10118 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10119 10120 // is the update attempting to change shared user? that isn't going to work... 10121 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10122 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10123 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10124 + " to " + newPkgSetting.sharedUser); 10125 updatedSettings = true; 10126 } 10127 } 10128 10129 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10130 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10131 updatedSettings = true; 10132 } 10133 10134 } catch (PackageManagerException e) { 10135 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10136 } 10137 10138 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10139 // Re installation failed. Restore old information 10140 // Remove new pkg information 10141 if (newPackage != null) { 10142 removeInstalledPackageLI(newPackage, true); 10143 } 10144 // Add back the old system package 10145 try { 10146 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, 10147 null); 10148 } catch (PackageManagerException e) { 10149 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10150 } 10151 // Restore the old system information in Settings 10152 synchronized(mPackages) { 10153 if (updatedSettings) { 10154 mSettings.enableSystemPackageLPw(packageName); 10155 mSettings.setInstallerPackageName(packageName, 10156 oldPkgSetting.installerPackageName); 10157 } 10158 mSettings.writeLPr(); 10159 } 10160 } 10161 } 10162 10163 // Utility method used to move dex files during install. 10164 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10165 // TODO: extend to move split APK dex files 10166 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10167 final String[] instructionSets = getAppDexInstructionSets(newPackage.applicationInfo); 10168 for (String instructionSet : instructionSets) { 10169 int retCode = mInstaller.movedex(oldCodePath, newPackage.baseCodePath, 10170 instructionSet); 10171 if (retCode != 0) { 10172 /* 10173 * Programs may be lazily run through dexopt, so the 10174 * source may not exist. However, something seems to 10175 * have gone wrong, so note that dexopt needs to be 10176 * run again and remove the source file. In addition, 10177 * remove the target to make sure there isn't a stale 10178 * file from a previous version of the package. 10179 */ 10180 newPackage.mDexOptPerformed.clear(); 10181 mInstaller.rmdex(oldCodePath, instructionSet); 10182 mInstaller.rmdex(newPackage.baseCodePath, instructionSet); 10183 } 10184 } 10185 } 10186 return PackageManager.INSTALL_SUCCEEDED; 10187 } 10188 10189 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10190 int[] allUsers, boolean[] perUserInstalled, 10191 PackageInstalledInfo res) { 10192 String pkgName = newPackage.packageName; 10193 synchronized (mPackages) { 10194 //write settings. the installStatus will be incomplete at this stage. 10195 //note that the new package setting would have already been 10196 //added to mPackages. It hasn't been persisted yet. 10197 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10198 mSettings.writeLPr(); 10199 } 10200 10201 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10202 10203 synchronized (mPackages) { 10204 updatePermissionsLPw(newPackage.packageName, newPackage, 10205 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10206 ? UPDATE_PERMISSIONS_ALL : 0)); 10207 // For system-bundled packages, we assume that installing an upgraded version 10208 // of the package implies that the user actually wants to run that new code, 10209 // so we enable the package. 10210 if (isSystemApp(newPackage)) { 10211 // NB: implicit assumption that system package upgrades apply to all users 10212 if (DEBUG_INSTALL) { 10213 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10214 } 10215 PackageSetting ps = mSettings.mPackages.get(pkgName); 10216 if (ps != null) { 10217 if (res.origUsers != null) { 10218 for (int userHandle : res.origUsers) { 10219 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10220 userHandle, installerPackageName); 10221 } 10222 } 10223 // Also convey the prior install/uninstall state 10224 if (allUsers != null && perUserInstalled != null) { 10225 for (int i = 0; i < allUsers.length; i++) { 10226 if (DEBUG_INSTALL) { 10227 Slog.d(TAG, " user " + allUsers[i] 10228 + " => " + perUserInstalled[i]); 10229 } 10230 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10231 } 10232 // these install state changes will be persisted in the 10233 // upcoming call to mSettings.writeLPr(). 10234 } 10235 } 10236 } 10237 res.name = pkgName; 10238 res.uid = newPackage.applicationInfo.uid; 10239 res.pkg = newPackage; 10240 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10241 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10242 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10243 //to update install status 10244 mSettings.writeLPr(); 10245 } 10246 } 10247 10248 private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) { 10249 int pFlags = args.flags; 10250 String installerPackageName = args.installerPackageName; 10251 File tmpPackageFile = new File(args.getCodePath()); 10252 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10253 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10254 boolean replace = false; 10255 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10256 | (newInstall ? SCAN_NEW_INSTALL : 0); 10257 // Result object to be returned 10258 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10259 10260 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10261 // Retrieve PackageSettings and parse package 10262 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10263 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10264 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10265 PackageParser pp = new PackageParser(); 10266 pp.setSeparateProcesses(mSeparateProcesses); 10267 pp.setDisplayMetrics(mMetrics); 10268 10269 final PackageParser.Package pkg; 10270 try { 10271 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10272 } catch (PackageParserException e) { 10273 res.setError("Failed parse during installPackageLI", e); 10274 return; 10275 } 10276 10277 String pkgName = res.name = pkg.packageName; 10278 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10279 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10280 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10281 return; 10282 } 10283 } 10284 10285 try { 10286 pp.collectCertificates(pkg, parseFlags); 10287 pp.collectManifestDigest(pkg); 10288 } catch (PackageParserException e) { 10289 res.setError("Failed collect during installPackageLI", e); 10290 return; 10291 } 10292 10293 /* If the installer passed in a manifest digest, compare it now. */ 10294 if (args.manifestDigest != null) { 10295 if (DEBUG_INSTALL) { 10296 final String parsedManifest = pkg.manifestDigest == null ? "null" 10297 : pkg.manifestDigest.toString(); 10298 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10299 + parsedManifest); 10300 } 10301 10302 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10303 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10304 return; 10305 } 10306 } else if (DEBUG_INSTALL) { 10307 final String parsedManifest = pkg.manifestDigest == null 10308 ? "null" : pkg.manifestDigest.toString(); 10309 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10310 } 10311 10312 // Get rid of all references to package scan path via parser. 10313 pp = null; 10314 String oldCodePath = null; 10315 boolean systemApp = false; 10316 synchronized (mPackages) { 10317 // Check whether the newly-scanned package wants to define an already-defined perm 10318 int N = pkg.permissions.size(); 10319 for (int i = N-1; i >= 0; i--) { 10320 PackageParser.Permission perm = pkg.permissions.get(i); 10321 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10322 if (bp != null) { 10323 // If the defining package is signed with our cert, it's okay. This 10324 // also includes the "updating the same package" case, of course. 10325 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10326 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10327 // If the owning package is the system itself, we log but allow 10328 // install to proceed; we fail the install on all other permission 10329 // redefinitions. 10330 if (!bp.sourcePackage.equals("android")) { 10331 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10332 + pkg.packageName + " attempting to redeclare permission " 10333 + perm.info.name + " already owned by " + bp.sourcePackage); 10334 res.origPermission = perm.info.name; 10335 res.origPackage = bp.sourcePackage; 10336 return; 10337 } else { 10338 Slog.w(TAG, "Package " + pkg.packageName 10339 + " attempting to redeclare system permission " 10340 + perm.info.name + "; ignoring new declaration"); 10341 pkg.permissions.remove(i); 10342 } 10343 } 10344 } 10345 } 10346 10347 // Check if installing already existing package 10348 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10349 String oldName = mSettings.mRenamedPackages.get(pkgName); 10350 if (pkg.mOriginalPackages != null 10351 && pkg.mOriginalPackages.contains(oldName) 10352 && mPackages.containsKey(oldName)) { 10353 // This package is derived from an original package, 10354 // and this device has been updating from that original 10355 // name. We must continue using the original name, so 10356 // rename the new package here. 10357 pkg.setPackageName(oldName); 10358 pkgName = pkg.packageName; 10359 replace = true; 10360 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10361 + oldName + " pkgName=" + pkgName); 10362 } else if (mPackages.containsKey(pkgName)) { 10363 // This package, under its official name, already exists 10364 // on the device; we should replace it. 10365 replace = true; 10366 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10367 } 10368 } 10369 PackageSetting ps = mSettings.mPackages.get(pkgName); 10370 if (ps != null) { 10371 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10372 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10373 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10374 systemApp = (ps.pkg.applicationInfo.flags & 10375 ApplicationInfo.FLAG_SYSTEM) != 0; 10376 } 10377 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10378 } 10379 } 10380 10381 if (systemApp && onSd) { 10382 // Disable updates to system apps on sdcard 10383 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10384 "Cannot install updates to system apps on sdcard"); 10385 return; 10386 } 10387 10388 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10389 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10390 return; 10391 } 10392 10393 if (replace) { 10394 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10395 installerPackageName, res, args.abiOverride); 10396 } else { 10397 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10398 installerPackageName, res, args.abiOverride); 10399 } 10400 synchronized (mPackages) { 10401 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10402 if (ps != null) { 10403 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10404 } 10405 } 10406 } 10407 10408 private static boolean isForwardLocked(PackageParser.Package pkg) { 10409 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10410 } 10411 10412 private static boolean isForwardLocked(ApplicationInfo info) { 10413 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10414 } 10415 10416 private boolean isForwardLocked(PackageSetting ps) { 10417 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10418 } 10419 10420 private static boolean isMultiArch(PackageSetting ps) { 10421 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10422 } 10423 10424 private static boolean isMultiArch(ApplicationInfo info) { 10425 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10426 } 10427 10428 private static boolean isExternal(PackageParser.Package pkg) { 10429 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10430 } 10431 10432 private static boolean isExternal(PackageSetting ps) { 10433 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10434 } 10435 10436 private static boolean isExternal(ApplicationInfo info) { 10437 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10438 } 10439 10440 private static boolean isSystemApp(PackageParser.Package pkg) { 10441 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10442 } 10443 10444 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10445 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10446 } 10447 10448 private static boolean isSystemApp(ApplicationInfo info) { 10449 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10450 } 10451 10452 private static boolean isSystemApp(PackageSetting ps) { 10453 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10454 } 10455 10456 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10457 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10458 } 10459 10460 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10461 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10462 } 10463 10464 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10465 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10466 } 10467 10468 private int packageFlagsToInstallFlags(PackageSetting ps) { 10469 int installFlags = 0; 10470 if (isExternal(ps)) { 10471 installFlags |= PackageManager.INSTALL_EXTERNAL; 10472 } 10473 if (isForwardLocked(ps)) { 10474 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10475 } 10476 return installFlags; 10477 } 10478 10479 private void deleteTempPackageFiles() { 10480 final FilenameFilter filter = new FilenameFilter() { 10481 public boolean accept(File dir, String name) { 10482 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10483 } 10484 }; 10485 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10486 file.delete(); 10487 } 10488 } 10489 10490 @Override 10491 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10492 int flags) { 10493 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10494 flags); 10495 } 10496 10497 @Override 10498 public void deletePackage(final String packageName, 10499 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10500 mContext.enforceCallingOrSelfPermission( 10501 android.Manifest.permission.DELETE_PACKAGES, null); 10502 final int uid = Binder.getCallingUid(); 10503 if (UserHandle.getUserId(uid) != userId) { 10504 mContext.enforceCallingPermission( 10505 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10506 "deletePackage for user " + userId); 10507 } 10508 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10509 try { 10510 observer.onPackageDeleted(packageName, 10511 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10512 } catch (RemoteException re) { 10513 } 10514 return; 10515 } 10516 10517 boolean uninstallBlocked = false; 10518 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10519 int[] users = sUserManager.getUserIds(); 10520 for (int i = 0; i < users.length; ++i) { 10521 if (getBlockUninstallForUser(packageName, users[i])) { 10522 uninstallBlocked = true; 10523 break; 10524 } 10525 } 10526 } else { 10527 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10528 } 10529 if (uninstallBlocked) { 10530 try { 10531 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10532 null); 10533 } catch (RemoteException re) { 10534 } 10535 return; 10536 } 10537 10538 if (DEBUG_REMOVE) { 10539 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10540 } 10541 // Queue up an async operation since the package deletion may take a little while. 10542 mHandler.post(new Runnable() { 10543 public void run() { 10544 mHandler.removeCallbacks(this); 10545 final int returnCode = deletePackageX(packageName, userId, flags); 10546 if (observer != null) { 10547 try { 10548 observer.onPackageDeleted(packageName, returnCode, null); 10549 } catch (RemoteException e) { 10550 Log.i(TAG, "Observer no longer exists."); 10551 } //end catch 10552 } //end if 10553 } //end run 10554 }); 10555 } 10556 10557 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10558 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10559 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10560 try { 10561 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10562 || dpm.isDeviceOwner(packageName))) { 10563 return true; 10564 } 10565 } catch (RemoteException e) { 10566 } 10567 return false; 10568 } 10569 10570 /** 10571 * This method is an internal method that could be get invoked either 10572 * to delete an installed package or to clean up a failed installation. 10573 * After deleting an installed package, a broadcast is sent to notify any 10574 * listeners that the package has been installed. For cleaning up a failed 10575 * installation, the broadcast is not necessary since the package's 10576 * installation wouldn't have sent the initial broadcast either 10577 * The key steps in deleting a package are 10578 * deleting the package information in internal structures like mPackages, 10579 * deleting the packages base directories through installd 10580 * updating mSettings to reflect current status 10581 * persisting settings for later use 10582 * sending a broadcast if necessary 10583 */ 10584 private int deletePackageX(String packageName, int userId, int flags) { 10585 final PackageRemovedInfo info = new PackageRemovedInfo(); 10586 final boolean res; 10587 10588 if (isPackageDeviceAdmin(packageName, userId)) { 10589 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10590 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10591 } 10592 10593 boolean removedForAllUsers = false; 10594 boolean systemUpdate = false; 10595 10596 // for the uninstall-updates case and restricted profiles, remember the per- 10597 // userhandle installed state 10598 int[] allUsers; 10599 boolean[] perUserInstalled; 10600 synchronized (mPackages) { 10601 PackageSetting ps = mSettings.mPackages.get(packageName); 10602 allUsers = sUserManager.getUserIds(); 10603 perUserInstalled = new boolean[allUsers.length]; 10604 for (int i = 0; i < allUsers.length; i++) { 10605 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10606 } 10607 } 10608 10609 synchronized (mInstallLock) { 10610 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10611 res = deletePackageLI(packageName, 10612 (flags & PackageManager.DELETE_ALL_USERS) != 0 10613 ? UserHandle.ALL : new UserHandle(userId), 10614 true, allUsers, perUserInstalled, 10615 flags | REMOVE_CHATTY, info, true); 10616 systemUpdate = info.isRemovedPackageSystemUpdate; 10617 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10618 removedForAllUsers = true; 10619 } 10620 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10621 + " removedForAllUsers=" + removedForAllUsers); 10622 } 10623 10624 if (res) { 10625 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10626 10627 // If the removed package was a system update, the old system package 10628 // was re-enabled; we need to broadcast this information 10629 if (systemUpdate) { 10630 Bundle extras = new Bundle(1); 10631 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10632 ? info.removedAppId : info.uid); 10633 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10634 10635 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10636 extras, null, null, null); 10637 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10638 extras, null, null, null); 10639 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10640 null, packageName, null, null); 10641 } 10642 } 10643 // Force a gc here. 10644 Runtime.getRuntime().gc(); 10645 // Delete the resources here after sending the broadcast to let 10646 // other processes clean up before deleting resources. 10647 if (info.args != null) { 10648 synchronized (mInstallLock) { 10649 info.args.doPostDeleteLI(true); 10650 } 10651 } 10652 10653 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10654 } 10655 10656 static class PackageRemovedInfo { 10657 String removedPackage; 10658 int uid = -1; 10659 int removedAppId = -1; 10660 int[] removedUsers = null; 10661 boolean isRemovedPackageSystemUpdate = false; 10662 // Clean up resources deleted packages. 10663 InstallArgs args = null; 10664 10665 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10666 Bundle extras = new Bundle(1); 10667 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10668 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10669 if (replacing) { 10670 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10671 } 10672 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10673 if (removedPackage != null) { 10674 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10675 extras, null, null, removedUsers); 10676 if (fullRemove && !replacing) { 10677 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10678 extras, null, null, removedUsers); 10679 } 10680 } 10681 if (removedAppId >= 0) { 10682 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10683 removedUsers); 10684 } 10685 } 10686 } 10687 10688 /* 10689 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10690 * flag is not set, the data directory is removed as well. 10691 * make sure this flag is set for partially installed apps. If not its meaningless to 10692 * delete a partially installed application. 10693 */ 10694 private void removePackageDataLI(PackageSetting ps, 10695 int[] allUserHandles, boolean[] perUserInstalled, 10696 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10697 String packageName = ps.name; 10698 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10699 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10700 // Retrieve object to delete permissions for shared user later on 10701 final PackageSetting deletedPs; 10702 // reader 10703 synchronized (mPackages) { 10704 deletedPs = mSettings.mPackages.get(packageName); 10705 if (outInfo != null) { 10706 outInfo.removedPackage = packageName; 10707 outInfo.removedUsers = deletedPs != null 10708 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10709 : null; 10710 } 10711 } 10712 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10713 removeDataDirsLI(packageName); 10714 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10715 } 10716 // writer 10717 synchronized (mPackages) { 10718 if (deletedPs != null) { 10719 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10720 if (outInfo != null) { 10721 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10722 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10723 } 10724 if (deletedPs != null) { 10725 updatePermissionsLPw(deletedPs.name, null, 0); 10726 if (deletedPs.sharedUser != null) { 10727 // remove permissions associated with package 10728 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10729 } 10730 } 10731 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10732 } 10733 // make sure to preserve per-user disabled state if this removal was just 10734 // a downgrade of a system app to the factory package 10735 if (allUserHandles != null && perUserInstalled != null) { 10736 if (DEBUG_REMOVE) { 10737 Slog.d(TAG, "Propagating install state across downgrade"); 10738 } 10739 for (int i = 0; i < allUserHandles.length; i++) { 10740 if (DEBUG_REMOVE) { 10741 Slog.d(TAG, " user " + allUserHandles[i] 10742 + " => " + perUserInstalled[i]); 10743 } 10744 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10745 } 10746 } 10747 } 10748 // can downgrade to reader 10749 if (writeSettings) { 10750 // Save settings now 10751 mSettings.writeLPr(); 10752 } 10753 } 10754 if (outInfo != null) { 10755 // A user ID was deleted here. Go through all users and remove it 10756 // from KeyStore. 10757 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10758 } 10759 } 10760 10761 static boolean locationIsPrivileged(File path) { 10762 try { 10763 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10764 .getCanonicalPath(); 10765 return path.getCanonicalPath().startsWith(privilegedAppDir); 10766 } catch (IOException e) { 10767 Slog.e(TAG, "Unable to access code path " + path); 10768 } 10769 return false; 10770 } 10771 10772 /* 10773 * Tries to delete system package. 10774 */ 10775 private boolean deleteSystemPackageLI(PackageSetting newPs, 10776 int[] allUserHandles, boolean[] perUserInstalled, 10777 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10778 final boolean applyUserRestrictions 10779 = (allUserHandles != null) && (perUserInstalled != null); 10780 PackageSetting disabledPs = null; 10781 // Confirm if the system package has been updated 10782 // An updated system app can be deleted. This will also have to restore 10783 // the system pkg from system partition 10784 // reader 10785 synchronized (mPackages) { 10786 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10787 } 10788 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10789 + " disabledPs=" + disabledPs); 10790 if (disabledPs == null) { 10791 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10792 return false; 10793 } else if (DEBUG_REMOVE) { 10794 Slog.d(TAG, "Deleting system pkg from data partition"); 10795 } 10796 if (DEBUG_REMOVE) { 10797 if (applyUserRestrictions) { 10798 Slog.d(TAG, "Remembering install states:"); 10799 for (int i = 0; i < allUserHandles.length; i++) { 10800 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10801 } 10802 } 10803 } 10804 // Delete the updated package 10805 outInfo.isRemovedPackageSystemUpdate = true; 10806 if (disabledPs.versionCode < newPs.versionCode) { 10807 // Delete data for downgrades 10808 flags &= ~PackageManager.DELETE_KEEP_DATA; 10809 } else { 10810 // Preserve data by setting flag 10811 flags |= PackageManager.DELETE_KEEP_DATA; 10812 } 10813 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10814 allUserHandles, perUserInstalled, outInfo, writeSettings); 10815 if (!ret) { 10816 return false; 10817 } 10818 // writer 10819 synchronized (mPackages) { 10820 // Reinstate the old system package 10821 mSettings.enableSystemPackageLPw(newPs.name); 10822 // Remove any native libraries from the upgraded package. 10823 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10824 } 10825 // Install the system package 10826 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10827 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10828 if (locationIsPrivileged(disabledPs.codePath)) { 10829 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10830 } 10831 10832 final PackageParser.Package newPkg; 10833 try { 10834 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, 10835 null, null); 10836 } catch (PackageManagerException e) { 10837 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10838 return false; 10839 } 10840 10841 // writer 10842 synchronized (mPackages) { 10843 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10844 updatePermissionsLPw(newPkg.packageName, newPkg, 10845 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10846 if (applyUserRestrictions) { 10847 if (DEBUG_REMOVE) { 10848 Slog.d(TAG, "Propagating install state across reinstall"); 10849 } 10850 for (int i = 0; i < allUserHandles.length; i++) { 10851 if (DEBUG_REMOVE) { 10852 Slog.d(TAG, " user " + allUserHandles[i] 10853 + " => " + perUserInstalled[i]); 10854 } 10855 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10856 } 10857 // Regardless of writeSettings we need to ensure that this restriction 10858 // state propagation is persisted 10859 mSettings.writeAllUsersPackageRestrictionsLPr(); 10860 } 10861 // can downgrade to reader here 10862 if (writeSettings) { 10863 mSettings.writeLPr(); 10864 } 10865 } 10866 return true; 10867 } 10868 10869 private boolean deleteInstalledPackageLI(PackageSetting ps, 10870 boolean deleteCodeAndResources, int flags, 10871 int[] allUserHandles, boolean[] perUserInstalled, 10872 PackageRemovedInfo outInfo, boolean writeSettings) { 10873 if (outInfo != null) { 10874 outInfo.uid = ps.appId; 10875 } 10876 10877 // Delete package data from internal structures and also remove data if flag is set 10878 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10879 10880 // Delete application code and resources 10881 if (deleteCodeAndResources && (outInfo != null)) { 10882 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10883 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10884 getAppDexInstructionSets(ps), isMultiArch(ps)); 10885 } 10886 return true; 10887 } 10888 10889 @Override 10890 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10891 int userId) { 10892 mContext.enforceCallingOrSelfPermission( 10893 android.Manifest.permission.DELETE_PACKAGES, null); 10894 synchronized (mPackages) { 10895 PackageSetting ps = mSettings.mPackages.get(packageName); 10896 if (ps == null) { 10897 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10898 return false; 10899 } 10900 if (!ps.getInstalled(userId)) { 10901 // Can't block uninstall for an app that is not installed or enabled. 10902 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10903 return false; 10904 } 10905 ps.setBlockUninstall(blockUninstall, userId); 10906 mSettings.writePackageRestrictionsLPr(userId); 10907 } 10908 return true; 10909 } 10910 10911 @Override 10912 public boolean getBlockUninstallForUser(String packageName, int userId) { 10913 synchronized (mPackages) { 10914 PackageSetting ps = mSettings.mPackages.get(packageName); 10915 if (ps == null) { 10916 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10917 return false; 10918 } 10919 return ps.getBlockUninstall(userId); 10920 } 10921 } 10922 10923 /* 10924 * This method handles package deletion in general 10925 */ 10926 private boolean deletePackageLI(String packageName, UserHandle user, 10927 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10928 int flags, PackageRemovedInfo outInfo, 10929 boolean writeSettings) { 10930 if (packageName == null) { 10931 Slog.w(TAG, "Attempt to delete null packageName."); 10932 return false; 10933 } 10934 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10935 PackageSetting ps; 10936 boolean dataOnly = false; 10937 int removeUser = -1; 10938 int appId = -1; 10939 synchronized (mPackages) { 10940 ps = mSettings.mPackages.get(packageName); 10941 if (ps == null) { 10942 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10943 return false; 10944 } 10945 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10946 && user.getIdentifier() != UserHandle.USER_ALL) { 10947 // The caller is asking that the package only be deleted for a single 10948 // user. To do this, we just mark its uninstalled state and delete 10949 // its data. If this is a system app, we only allow this to happen if 10950 // they have set the special DELETE_SYSTEM_APP which requests different 10951 // semantics than normal for uninstalling system apps. 10952 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10953 ps.setUserState(user.getIdentifier(), 10954 COMPONENT_ENABLED_STATE_DEFAULT, 10955 false, //installed 10956 true, //stopped 10957 true, //notLaunched 10958 false, //hidden 10959 null, null, null, 10960 false // blockUninstall 10961 ); 10962 if (!isSystemApp(ps)) { 10963 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10964 // Other user still have this package installed, so all 10965 // we need to do is clear this user's data and save that 10966 // it is uninstalled. 10967 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10968 removeUser = user.getIdentifier(); 10969 appId = ps.appId; 10970 mSettings.writePackageRestrictionsLPr(removeUser); 10971 } else { 10972 // We need to set it back to 'installed' so the uninstall 10973 // broadcasts will be sent correctly. 10974 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10975 ps.setInstalled(true, user.getIdentifier()); 10976 } 10977 } else { 10978 // This is a system app, so we assume that the 10979 // other users still have this package installed, so all 10980 // we need to do is clear this user's data and save that 10981 // it is uninstalled. 10982 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10983 removeUser = user.getIdentifier(); 10984 appId = ps.appId; 10985 mSettings.writePackageRestrictionsLPr(removeUser); 10986 } 10987 } 10988 } 10989 10990 if (removeUser >= 0) { 10991 // From above, we determined that we are deleting this only 10992 // for a single user. Continue the work here. 10993 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10994 if (outInfo != null) { 10995 outInfo.removedPackage = packageName; 10996 outInfo.removedAppId = appId; 10997 outInfo.removedUsers = new int[] {removeUser}; 10998 } 10999 mInstaller.clearUserData(packageName, removeUser); 11000 removeKeystoreDataIfNeeded(removeUser, appId); 11001 schedulePackageCleaning(packageName, removeUser, false); 11002 return true; 11003 } 11004 11005 if (dataOnly) { 11006 // Delete application data first 11007 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11008 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11009 return true; 11010 } 11011 11012 boolean ret = false; 11013 if (isSystemApp(ps)) { 11014 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11015 // When an updated system application is deleted we delete the existing resources as well and 11016 // fall back to existing code in system partition 11017 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11018 flags, outInfo, writeSettings); 11019 } else { 11020 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11021 // Kill application pre-emptively especially for apps on sd. 11022 killApplication(packageName, ps.appId, "uninstall pkg"); 11023 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11024 allUserHandles, perUserInstalled, 11025 outInfo, writeSettings); 11026 } 11027 11028 return ret; 11029 } 11030 11031 private final class ClearStorageConnection implements ServiceConnection { 11032 IMediaContainerService mContainerService; 11033 11034 @Override 11035 public void onServiceConnected(ComponentName name, IBinder service) { 11036 synchronized (this) { 11037 mContainerService = IMediaContainerService.Stub.asInterface(service); 11038 notifyAll(); 11039 } 11040 } 11041 11042 @Override 11043 public void onServiceDisconnected(ComponentName name) { 11044 } 11045 } 11046 11047 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11048 final boolean mounted; 11049 if (Environment.isExternalStorageEmulated()) { 11050 mounted = true; 11051 } else { 11052 final String status = Environment.getExternalStorageState(); 11053 11054 mounted = status.equals(Environment.MEDIA_MOUNTED) 11055 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11056 } 11057 11058 if (!mounted) { 11059 return; 11060 } 11061 11062 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11063 int[] users; 11064 if (userId == UserHandle.USER_ALL) { 11065 users = sUserManager.getUserIds(); 11066 } else { 11067 users = new int[] { userId }; 11068 } 11069 final ClearStorageConnection conn = new ClearStorageConnection(); 11070 if (mContext.bindServiceAsUser( 11071 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11072 try { 11073 for (int curUser : users) { 11074 long timeout = SystemClock.uptimeMillis() + 5000; 11075 synchronized (conn) { 11076 long now = SystemClock.uptimeMillis(); 11077 while (conn.mContainerService == null && now < timeout) { 11078 try { 11079 conn.wait(timeout - now); 11080 } catch (InterruptedException e) { 11081 } 11082 } 11083 } 11084 if (conn.mContainerService == null) { 11085 return; 11086 } 11087 11088 final UserEnvironment userEnv = new UserEnvironment(curUser); 11089 clearDirectory(conn.mContainerService, 11090 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11091 if (allData) { 11092 clearDirectory(conn.mContainerService, 11093 userEnv.buildExternalStorageAppDataDirs(packageName)); 11094 clearDirectory(conn.mContainerService, 11095 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11096 } 11097 } 11098 } finally { 11099 mContext.unbindService(conn); 11100 } 11101 } 11102 } 11103 11104 @Override 11105 public void clearApplicationUserData(final String packageName, 11106 final IPackageDataObserver observer, final int userId) { 11107 mContext.enforceCallingOrSelfPermission( 11108 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11109 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11110 // Queue up an async operation since the package deletion may take a little while. 11111 mHandler.post(new Runnable() { 11112 public void run() { 11113 mHandler.removeCallbacks(this); 11114 final boolean succeeded; 11115 synchronized (mInstallLock) { 11116 succeeded = clearApplicationUserDataLI(packageName, userId); 11117 } 11118 clearExternalStorageDataSync(packageName, userId, true); 11119 if (succeeded) { 11120 // invoke DeviceStorageMonitor's update method to clear any notifications 11121 DeviceStorageMonitorInternal 11122 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11123 if (dsm != null) { 11124 dsm.checkMemory(); 11125 } 11126 } 11127 if(observer != null) { 11128 try { 11129 observer.onRemoveCompleted(packageName, succeeded); 11130 } catch (RemoteException e) { 11131 Log.i(TAG, "Observer no longer exists."); 11132 } 11133 } //end if observer 11134 } //end run 11135 }); 11136 } 11137 11138 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11139 if (packageName == null) { 11140 Slog.w(TAG, "Attempt to delete null packageName."); 11141 return false; 11142 } 11143 PackageParser.Package p; 11144 boolean dataOnly = false; 11145 final int appId; 11146 synchronized (mPackages) { 11147 p = mPackages.get(packageName); 11148 if (p == null) { 11149 dataOnly = true; 11150 PackageSetting ps = mSettings.mPackages.get(packageName); 11151 if ((ps == null) || (ps.pkg == null)) { 11152 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11153 return false; 11154 } 11155 p = ps.pkg; 11156 } 11157 if (!dataOnly) { 11158 // need to check this only for fully installed applications 11159 if (p == null) { 11160 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11161 return false; 11162 } 11163 final ApplicationInfo applicationInfo = p.applicationInfo; 11164 if (applicationInfo == null) { 11165 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11166 return false; 11167 } 11168 } 11169 if (p != null && p.applicationInfo != null) { 11170 appId = p.applicationInfo.uid; 11171 } else { 11172 appId = -1; 11173 } 11174 } 11175 int retCode = mInstaller.clearUserData(packageName, userId); 11176 if (retCode < 0) { 11177 Slog.w(TAG, "Couldn't remove cache files for package: " 11178 + packageName); 11179 return false; 11180 } 11181 removeKeystoreDataIfNeeded(userId, appId); 11182 return true; 11183 } 11184 11185 /** 11186 * Remove entries from the keystore daemon. Will only remove it if the 11187 * {@code appId} is valid. 11188 */ 11189 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11190 if (appId < 0) { 11191 return; 11192 } 11193 11194 final KeyStore keyStore = KeyStore.getInstance(); 11195 if (keyStore != null) { 11196 if (userId == UserHandle.USER_ALL) { 11197 for (final int individual : sUserManager.getUserIds()) { 11198 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11199 } 11200 } else { 11201 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11202 } 11203 } else { 11204 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11205 } 11206 } 11207 11208 @Override 11209 public void deleteApplicationCacheFiles(final String packageName, 11210 final IPackageDataObserver observer) { 11211 mContext.enforceCallingOrSelfPermission( 11212 android.Manifest.permission.DELETE_CACHE_FILES, null); 11213 // Queue up an async operation since the package deletion may take a little while. 11214 final int userId = UserHandle.getCallingUserId(); 11215 mHandler.post(new Runnable() { 11216 public void run() { 11217 mHandler.removeCallbacks(this); 11218 final boolean succeded; 11219 synchronized (mInstallLock) { 11220 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11221 } 11222 clearExternalStorageDataSync(packageName, userId, false); 11223 if(observer != null) { 11224 try { 11225 observer.onRemoveCompleted(packageName, succeded); 11226 } catch (RemoteException e) { 11227 Log.i(TAG, "Observer no longer exists."); 11228 } 11229 } //end if observer 11230 } //end run 11231 }); 11232 } 11233 11234 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11235 if (packageName == null) { 11236 Slog.w(TAG, "Attempt to delete null packageName."); 11237 return false; 11238 } 11239 PackageParser.Package p; 11240 synchronized (mPackages) { 11241 p = mPackages.get(packageName); 11242 } 11243 if (p == null) { 11244 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11245 return false; 11246 } 11247 final ApplicationInfo applicationInfo = p.applicationInfo; 11248 if (applicationInfo == null) { 11249 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11250 return false; 11251 } 11252 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11253 if (retCode < 0) { 11254 Slog.w(TAG, "Couldn't remove cache files for package: " 11255 + packageName + " u" + userId); 11256 return false; 11257 } 11258 return true; 11259 } 11260 11261 @Override 11262 public void getPackageSizeInfo(final String packageName, int userHandle, 11263 final IPackageStatsObserver observer) { 11264 mContext.enforceCallingOrSelfPermission( 11265 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11266 if (packageName == null) { 11267 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11268 } 11269 11270 PackageStats stats = new PackageStats(packageName, userHandle); 11271 11272 /* 11273 * Queue up an async operation since the package measurement may take a 11274 * little while. 11275 */ 11276 Message msg = mHandler.obtainMessage(INIT_COPY); 11277 msg.obj = new MeasureParams(stats, observer); 11278 mHandler.sendMessage(msg); 11279 } 11280 11281 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11282 PackageStats pStats) { 11283 if (packageName == null) { 11284 Slog.w(TAG, "Attempt to get size of null packageName."); 11285 return false; 11286 } 11287 PackageParser.Package p; 11288 boolean dataOnly = false; 11289 String libDirRoot = null; 11290 String asecPath = null; 11291 PackageSetting ps = null; 11292 synchronized (mPackages) { 11293 p = mPackages.get(packageName); 11294 ps = mSettings.mPackages.get(packageName); 11295 if(p == null) { 11296 dataOnly = true; 11297 if((ps == null) || (ps.pkg == null)) { 11298 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11299 return false; 11300 } 11301 p = ps.pkg; 11302 } 11303 if (ps != null) { 11304 libDirRoot = ps.legacyNativeLibraryPathString; 11305 } 11306 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11307 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11308 if (secureContainerId != null) { 11309 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11310 } 11311 } 11312 } 11313 String publicSrcDir = null; 11314 if(!dataOnly) { 11315 final ApplicationInfo applicationInfo = p.applicationInfo; 11316 if (applicationInfo == null) { 11317 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11318 return false; 11319 } 11320 if (isForwardLocked(p)) { 11321 publicSrcDir = applicationInfo.getBaseResourcePath(); 11322 } 11323 } 11324 // TODO: extend to measure size of split APKs 11325 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11326 // not just the first level. 11327 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11328 // just the primary. 11329 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11330 publicSrcDir, asecPath, getAppDexInstructionSets(ps), 11331 pStats); 11332 if (res < 0) { 11333 return false; 11334 } 11335 11336 // Fix-up for forward-locked applications in ASEC containers. 11337 if (!isExternal(p)) { 11338 pStats.codeSize += pStats.externalCodeSize; 11339 pStats.externalCodeSize = 0L; 11340 } 11341 11342 return true; 11343 } 11344 11345 11346 @Override 11347 public void addPackageToPreferred(String packageName) { 11348 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11349 } 11350 11351 @Override 11352 public void removePackageFromPreferred(String packageName) { 11353 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11354 } 11355 11356 @Override 11357 public List<PackageInfo> getPreferredPackages(int flags) { 11358 return new ArrayList<PackageInfo>(); 11359 } 11360 11361 private int getUidTargetSdkVersionLockedLPr(int uid) { 11362 Object obj = mSettings.getUserIdLPr(uid); 11363 if (obj instanceof SharedUserSetting) { 11364 final SharedUserSetting sus = (SharedUserSetting) obj; 11365 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11366 final Iterator<PackageSetting> it = sus.packages.iterator(); 11367 while (it.hasNext()) { 11368 final PackageSetting ps = it.next(); 11369 if (ps.pkg != null) { 11370 int v = ps.pkg.applicationInfo.targetSdkVersion; 11371 if (v < vers) vers = v; 11372 } 11373 } 11374 return vers; 11375 } else if (obj instanceof PackageSetting) { 11376 final PackageSetting ps = (PackageSetting) obj; 11377 if (ps.pkg != null) { 11378 return ps.pkg.applicationInfo.targetSdkVersion; 11379 } 11380 } 11381 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11382 } 11383 11384 @Override 11385 public void addPreferredActivity(IntentFilter filter, int match, 11386 ComponentName[] set, ComponentName activity, int userId) { 11387 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11388 } 11389 11390 private void addPreferredActivityInternal(IntentFilter filter, int match, 11391 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11392 // writer 11393 int callingUid = Binder.getCallingUid(); 11394 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11395 if (filter.countActions() == 0) { 11396 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11397 return; 11398 } 11399 synchronized (mPackages) { 11400 if (mContext.checkCallingOrSelfPermission( 11401 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11402 != PackageManager.PERMISSION_GRANTED) { 11403 if (getUidTargetSdkVersionLockedLPr(callingUid) 11404 < Build.VERSION_CODES.FROYO) { 11405 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11406 + callingUid); 11407 return; 11408 } 11409 mContext.enforceCallingOrSelfPermission( 11410 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11411 } 11412 11413 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11414 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11415 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11416 new PreferredActivity(filter, match, set, activity, always)); 11417 mSettings.writePackageRestrictionsLPr(userId); 11418 } 11419 } 11420 11421 @Override 11422 public void replacePreferredActivity(IntentFilter filter, int match, 11423 ComponentName[] set, ComponentName activity, int userId) { 11424 if (filter.countActions() != 1) { 11425 throw new IllegalArgumentException( 11426 "replacePreferredActivity expects filter to have only 1 action."); 11427 } 11428 if (filter.countDataAuthorities() != 0 11429 || filter.countDataPaths() != 0 11430 || filter.countDataSchemes() > 1 11431 || filter.countDataTypes() != 0) { 11432 throw new IllegalArgumentException( 11433 "replacePreferredActivity expects filter to have no data authorities, " + 11434 "paths, or types; and at most one scheme."); 11435 } 11436 11437 final int callingUid = Binder.getCallingUid(); 11438 enforceCrossUserPermission(callingUid, userId, true, "replace preferred activity"); 11439 final int callingUserId = UserHandle.getUserId(callingUid); 11440 synchronized (mPackages) { 11441 if (mContext.checkCallingOrSelfPermission( 11442 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11443 != PackageManager.PERMISSION_GRANTED) { 11444 if (getUidTargetSdkVersionLockedLPr(callingUid) 11445 < Build.VERSION_CODES.FROYO) { 11446 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11447 + Binder.getCallingUid()); 11448 return; 11449 } 11450 mContext.enforceCallingOrSelfPermission( 11451 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11452 } 11453 11454 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11455 if (pir != null) { 11456 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11457 if (filter.countDataSchemes() == 1) { 11458 Uri.Builder builder = new Uri.Builder(); 11459 builder.scheme(filter.getDataScheme(0)); 11460 intent.setData(builder.build()); 11461 } 11462 List<PreferredActivity> matches = pir.queryIntent( 11463 intent, null, true, callingUserId); 11464 if (DEBUG_PREFERRED) { 11465 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11466 } 11467 for (int i = 0; i < matches.size(); i++) { 11468 PreferredActivity pa = matches.get(i); 11469 if (DEBUG_PREFERRED) { 11470 Slog.i(TAG, "Removing preferred activity " 11471 + pa.mPref.mComponent + ":"); 11472 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11473 } 11474 pir.removeFilter(pa); 11475 } 11476 } 11477 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11478 } 11479 } 11480 11481 @Override 11482 public void clearPackagePreferredActivities(String packageName) { 11483 final int uid = Binder.getCallingUid(); 11484 // writer 11485 synchronized (mPackages) { 11486 PackageParser.Package pkg = mPackages.get(packageName); 11487 if (pkg == null || pkg.applicationInfo.uid != uid) { 11488 if (mContext.checkCallingOrSelfPermission( 11489 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11490 != PackageManager.PERMISSION_GRANTED) { 11491 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11492 < Build.VERSION_CODES.FROYO) { 11493 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11494 + Binder.getCallingUid()); 11495 return; 11496 } 11497 mContext.enforceCallingOrSelfPermission( 11498 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11499 } 11500 } 11501 11502 int user = UserHandle.getCallingUserId(); 11503 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11504 mSettings.writePackageRestrictionsLPr(user); 11505 scheduleWriteSettingsLocked(); 11506 } 11507 } 11508 } 11509 11510 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11511 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11512 ArrayList<PreferredActivity> removed = null; 11513 boolean changed = false; 11514 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11515 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11516 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11517 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11518 continue; 11519 } 11520 Iterator<PreferredActivity> it = pir.filterIterator(); 11521 while (it.hasNext()) { 11522 PreferredActivity pa = it.next(); 11523 // Mark entry for removal only if it matches the package name 11524 // and the entry is of type "always". 11525 if (packageName == null || 11526 (pa.mPref.mComponent.getPackageName().equals(packageName) 11527 && pa.mPref.mAlways)) { 11528 if (removed == null) { 11529 removed = new ArrayList<PreferredActivity>(); 11530 } 11531 removed.add(pa); 11532 } 11533 } 11534 if (removed != null) { 11535 for (int j=0; j<removed.size(); j++) { 11536 PreferredActivity pa = removed.get(j); 11537 pir.removeFilter(pa); 11538 } 11539 changed = true; 11540 } 11541 } 11542 return changed; 11543 } 11544 11545 @Override 11546 public void resetPreferredActivities(int userId) { 11547 mContext.enforceCallingOrSelfPermission( 11548 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11549 // writer 11550 synchronized (mPackages) { 11551 int user = UserHandle.getCallingUserId(); 11552 clearPackagePreferredActivitiesLPw(null, user); 11553 mSettings.readDefaultPreferredAppsLPw(this, user); 11554 mSettings.writePackageRestrictionsLPr(user); 11555 scheduleWriteSettingsLocked(); 11556 } 11557 } 11558 11559 @Override 11560 public int getPreferredActivities(List<IntentFilter> outFilters, 11561 List<ComponentName> outActivities, String packageName) { 11562 11563 int num = 0; 11564 final int userId = UserHandle.getCallingUserId(); 11565 // reader 11566 synchronized (mPackages) { 11567 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11568 if (pir != null) { 11569 final Iterator<PreferredActivity> it = pir.filterIterator(); 11570 while (it.hasNext()) { 11571 final PreferredActivity pa = it.next(); 11572 if (packageName == null 11573 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11574 && pa.mPref.mAlways)) { 11575 if (outFilters != null) { 11576 outFilters.add(new IntentFilter(pa)); 11577 } 11578 if (outActivities != null) { 11579 outActivities.add(pa.mPref.mComponent); 11580 } 11581 } 11582 } 11583 } 11584 } 11585 11586 return num; 11587 } 11588 11589 @Override 11590 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11591 int userId) { 11592 int callingUid = Binder.getCallingUid(); 11593 if (callingUid != Process.SYSTEM_UID) { 11594 throw new SecurityException( 11595 "addPersistentPreferredActivity can only be run by the system"); 11596 } 11597 if (filter.countActions() == 0) { 11598 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11599 return; 11600 } 11601 synchronized (mPackages) { 11602 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11603 " :"); 11604 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11605 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11606 new PersistentPreferredActivity(filter, activity)); 11607 mSettings.writePackageRestrictionsLPr(userId); 11608 } 11609 } 11610 11611 @Override 11612 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11613 int callingUid = Binder.getCallingUid(); 11614 if (callingUid != Process.SYSTEM_UID) { 11615 throw new SecurityException( 11616 "clearPackagePersistentPreferredActivities can only be run by the system"); 11617 } 11618 ArrayList<PersistentPreferredActivity> removed = null; 11619 boolean changed = false; 11620 synchronized (mPackages) { 11621 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11622 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11623 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11624 .valueAt(i); 11625 if (userId != thisUserId) { 11626 continue; 11627 } 11628 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11629 while (it.hasNext()) { 11630 PersistentPreferredActivity ppa = it.next(); 11631 // Mark entry for removal only if it matches the package name. 11632 if (ppa.mComponent.getPackageName().equals(packageName)) { 11633 if (removed == null) { 11634 removed = new ArrayList<PersistentPreferredActivity>(); 11635 } 11636 removed.add(ppa); 11637 } 11638 } 11639 if (removed != null) { 11640 for (int j=0; j<removed.size(); j++) { 11641 PersistentPreferredActivity ppa = removed.get(j); 11642 ppir.removeFilter(ppa); 11643 } 11644 changed = true; 11645 } 11646 } 11647 11648 if (changed) { 11649 mSettings.writePackageRestrictionsLPr(userId); 11650 } 11651 } 11652 } 11653 11654 @Override 11655 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11656 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11657 mContext.enforceCallingOrSelfPermission( 11658 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11659 int callingUid = Binder.getCallingUid(); 11660 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11661 if (intentFilter.countActions() == 0) { 11662 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11663 return; 11664 } 11665 synchronized (mPackages) { 11666 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11667 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11668 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11669 mSettings.writePackageRestrictionsLPr(sourceUserId); 11670 } 11671 } 11672 11673 @Override 11674 public void addCrossProfileIntentsForPackage(String packageName, 11675 int sourceUserId, int targetUserId) { 11676 mContext.enforceCallingOrSelfPermission( 11677 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11678 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11679 mSettings.writePackageRestrictionsLPr(sourceUserId); 11680 } 11681 11682 @Override 11683 public void removeCrossProfileIntentsForPackage(String packageName, 11684 int sourceUserId, int targetUserId) { 11685 mContext.enforceCallingOrSelfPermission( 11686 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11687 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11688 mSettings.writePackageRestrictionsLPr(sourceUserId); 11689 } 11690 11691 @Override 11692 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11693 int ownerUserId) { 11694 mContext.enforceCallingOrSelfPermission( 11695 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11696 int callingUid = Binder.getCallingUid(); 11697 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11698 int callingUserId = UserHandle.getUserId(callingUid); 11699 synchronized (mPackages) { 11700 CrossProfileIntentResolver resolver = 11701 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11702 HashSet<CrossProfileIntentFilter> set = 11703 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11704 for (CrossProfileIntentFilter filter : set) { 11705 if (filter.getOwnerPackage().equals(ownerPackage) 11706 && filter.getOwnerUserId() == callingUserId) { 11707 resolver.removeFilter(filter); 11708 } 11709 } 11710 mSettings.writePackageRestrictionsLPr(sourceUserId); 11711 } 11712 } 11713 11714 // Enforcing that callingUid is owning pkg on userId 11715 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11716 // The system owns everything. 11717 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11718 return; 11719 } 11720 int callingUserId = UserHandle.getUserId(callingUid); 11721 if (callingUserId != userId) { 11722 throw new SecurityException("calling uid " + callingUid 11723 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11724 + callingUserId); 11725 } 11726 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11727 if (pi == null) { 11728 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11729 + callingUserId); 11730 } 11731 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11732 throw new SecurityException("Calling uid " + callingUid 11733 + " does not own package " + pkg); 11734 } 11735 } 11736 11737 @Override 11738 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11739 Intent intent = new Intent(Intent.ACTION_MAIN); 11740 intent.addCategory(Intent.CATEGORY_HOME); 11741 11742 final int callingUserId = UserHandle.getCallingUserId(); 11743 List<ResolveInfo> list = queryIntentActivities(intent, null, 11744 PackageManager.GET_META_DATA, callingUserId); 11745 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11746 true, false, false, callingUserId); 11747 11748 allHomeCandidates.clear(); 11749 if (list != null) { 11750 for (ResolveInfo ri : list) { 11751 allHomeCandidates.add(ri); 11752 } 11753 } 11754 return (preferred == null || preferred.activityInfo == null) 11755 ? null 11756 : new ComponentName(preferred.activityInfo.packageName, 11757 preferred.activityInfo.name); 11758 } 11759 11760 /** 11761 * Check if calling UID is the current home app. This handles both the case 11762 * where the user has selected a specific home app, and where there is only 11763 * one home app. 11764 */ 11765 public boolean checkCallerIsHomeApp() { 11766 final Intent intent = new Intent(Intent.ACTION_MAIN); 11767 intent.addCategory(Intent.CATEGORY_HOME); 11768 11769 final int callingUid = Binder.getCallingUid(); 11770 final int callingUserId = UserHandle.getCallingUserId(); 11771 final List<ResolveInfo> allHomes = queryIntentActivities(intent, null, 0, callingUserId); 11772 final ResolveInfo preferredHome = findPreferredActivity(intent, null, 0, allHomes, 0, true, 11773 false, false, callingUserId); 11774 11775 if (preferredHome != null) { 11776 if (callingUid == preferredHome.activityInfo.applicationInfo.uid) { 11777 return true; 11778 } 11779 } else { 11780 for (ResolveInfo info : allHomes) { 11781 if (callingUid == info.activityInfo.applicationInfo.uid) { 11782 return true; 11783 } 11784 } 11785 } 11786 11787 return false; 11788 } 11789 11790 /** 11791 * Enforce that calling UID is the current home app. This handles both the 11792 * case where the user has selected a specific home app, and where there is 11793 * only one home app. 11794 */ 11795 public void enforceCallerIsHomeApp() { 11796 if (!checkCallerIsHomeApp()) { 11797 throw new SecurityException("Caller is not currently selected home app"); 11798 } 11799 } 11800 11801 @Override 11802 public void setApplicationEnabledSetting(String appPackageName, 11803 int newState, int flags, int userId, String callingPackage) { 11804 if (!sUserManager.exists(userId)) return; 11805 if (callingPackage == null) { 11806 callingPackage = Integer.toString(Binder.getCallingUid()); 11807 } 11808 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11809 } 11810 11811 @Override 11812 public void setComponentEnabledSetting(ComponentName componentName, 11813 int newState, int flags, int userId) { 11814 if (!sUserManager.exists(userId)) return; 11815 setEnabledSetting(componentName.getPackageName(), 11816 componentName.getClassName(), newState, flags, userId, null); 11817 } 11818 11819 private void setEnabledSetting(final String packageName, String className, int newState, 11820 final int flags, int userId, String callingPackage) { 11821 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11822 || newState == COMPONENT_ENABLED_STATE_ENABLED 11823 || newState == COMPONENT_ENABLED_STATE_DISABLED 11824 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11825 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11826 throw new IllegalArgumentException("Invalid new component state: " 11827 + newState); 11828 } 11829 PackageSetting pkgSetting; 11830 final int uid = Binder.getCallingUid(); 11831 final int permission = mContext.checkCallingOrSelfPermission( 11832 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11833 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11834 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11835 boolean sendNow = false; 11836 boolean isApp = (className == null); 11837 String componentName = isApp ? packageName : className; 11838 int packageUid = -1; 11839 ArrayList<String> components; 11840 11841 // writer 11842 synchronized (mPackages) { 11843 pkgSetting = mSettings.mPackages.get(packageName); 11844 if (pkgSetting == null) { 11845 if (className == null) { 11846 throw new IllegalArgumentException( 11847 "Unknown package: " + packageName); 11848 } 11849 throw new IllegalArgumentException( 11850 "Unknown component: " + packageName 11851 + "/" + className); 11852 } 11853 // Allow root and verify that userId is not being specified by a different user 11854 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11855 throw new SecurityException( 11856 "Permission Denial: attempt to change component state from pid=" 11857 + Binder.getCallingPid() 11858 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11859 } 11860 if (className == null) { 11861 // We're dealing with an application/package level state change 11862 if (pkgSetting.getEnabled(userId) == newState) { 11863 // Nothing to do 11864 return; 11865 } 11866 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11867 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11868 // Don't care about who enables an app. 11869 callingPackage = null; 11870 } 11871 pkgSetting.setEnabled(newState, userId, callingPackage); 11872 // pkgSetting.pkg.mSetEnabled = newState; 11873 } else { 11874 // We're dealing with a component level state change 11875 // First, verify that this is a valid class name. 11876 PackageParser.Package pkg = pkgSetting.pkg; 11877 if (pkg == null || !pkg.hasComponentClassName(className)) { 11878 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11879 throw new IllegalArgumentException("Component class " + className 11880 + " does not exist in " + packageName); 11881 } else { 11882 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11883 + className + " does not exist in " + packageName); 11884 } 11885 } 11886 switch (newState) { 11887 case COMPONENT_ENABLED_STATE_ENABLED: 11888 if (!pkgSetting.enableComponentLPw(className, userId)) { 11889 return; 11890 } 11891 break; 11892 case COMPONENT_ENABLED_STATE_DISABLED: 11893 if (!pkgSetting.disableComponentLPw(className, userId)) { 11894 return; 11895 } 11896 break; 11897 case COMPONENT_ENABLED_STATE_DEFAULT: 11898 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11899 return; 11900 } 11901 break; 11902 default: 11903 Slog.e(TAG, "Invalid new component state: " + newState); 11904 return; 11905 } 11906 } 11907 mSettings.writePackageRestrictionsLPr(userId); 11908 components = mPendingBroadcasts.get(userId, packageName); 11909 final boolean newPackage = components == null; 11910 if (newPackage) { 11911 components = new ArrayList<String>(); 11912 } 11913 if (!components.contains(componentName)) { 11914 components.add(componentName); 11915 } 11916 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11917 sendNow = true; 11918 // Purge entry from pending broadcast list if another one exists already 11919 // since we are sending one right away. 11920 mPendingBroadcasts.remove(userId, packageName); 11921 } else { 11922 if (newPackage) { 11923 mPendingBroadcasts.put(userId, packageName, components); 11924 } 11925 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11926 // Schedule a message 11927 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11928 } 11929 } 11930 } 11931 11932 long callingId = Binder.clearCallingIdentity(); 11933 try { 11934 if (sendNow) { 11935 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11936 sendPackageChangedBroadcast(packageName, 11937 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11938 } 11939 } finally { 11940 Binder.restoreCallingIdentity(callingId); 11941 } 11942 } 11943 11944 private void sendPackageChangedBroadcast(String packageName, 11945 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11946 if (DEBUG_INSTALL) 11947 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11948 + componentNames); 11949 Bundle extras = new Bundle(4); 11950 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11951 String nameList[] = new String[componentNames.size()]; 11952 componentNames.toArray(nameList); 11953 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11954 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11955 extras.putInt(Intent.EXTRA_UID, packageUid); 11956 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11957 new int[] {UserHandle.getUserId(packageUid)}); 11958 } 11959 11960 @Override 11961 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11962 if (!sUserManager.exists(userId)) return; 11963 final int uid = Binder.getCallingUid(); 11964 final int permission = mContext.checkCallingOrSelfPermission( 11965 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11966 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11967 enforceCrossUserPermission(uid, userId, true, "stop package"); 11968 // writer 11969 synchronized (mPackages) { 11970 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11971 uid, userId)) { 11972 scheduleWritePackageRestrictionsLocked(userId); 11973 } 11974 } 11975 } 11976 11977 @Override 11978 public String getInstallerPackageName(String packageName) { 11979 // reader 11980 synchronized (mPackages) { 11981 return mSettings.getInstallerPackageNameLPr(packageName); 11982 } 11983 } 11984 11985 @Override 11986 public int getApplicationEnabledSetting(String packageName, int userId) { 11987 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11988 int uid = Binder.getCallingUid(); 11989 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11990 // reader 11991 synchronized (mPackages) { 11992 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11993 } 11994 } 11995 11996 @Override 11997 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11998 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11999 int uid = Binder.getCallingUid(); 12000 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 12001 // reader 12002 synchronized (mPackages) { 12003 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12004 } 12005 } 12006 12007 @Override 12008 public void enterSafeMode() { 12009 enforceSystemOrRoot("Only the system can request entering safe mode"); 12010 12011 if (!mSystemReady) { 12012 mSafeMode = true; 12013 } 12014 } 12015 12016 @Override 12017 public void systemReady() { 12018 mSystemReady = true; 12019 12020 // Read the compatibilty setting when the system is ready. 12021 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12022 mContext.getContentResolver(), 12023 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12024 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12025 if (DEBUG_SETTINGS) { 12026 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12027 } 12028 12029 synchronized (mPackages) { 12030 // Verify that all of the preferred activity components actually 12031 // exist. It is possible for applications to be updated and at 12032 // that point remove a previously declared activity component that 12033 // had been set as a preferred activity. We try to clean this up 12034 // the next time we encounter that preferred activity, but it is 12035 // possible for the user flow to never be able to return to that 12036 // situation so here we do a sanity check to make sure we haven't 12037 // left any junk around. 12038 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12039 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12040 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12041 removed.clear(); 12042 for (PreferredActivity pa : pir.filterSet()) { 12043 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12044 removed.add(pa); 12045 } 12046 } 12047 if (removed.size() > 0) { 12048 for (int r=0; r<removed.size(); r++) { 12049 PreferredActivity pa = removed.get(r); 12050 Slog.w(TAG, "Removing dangling preferred activity: " 12051 + pa.mPref.mComponent); 12052 pir.removeFilter(pa); 12053 } 12054 mSettings.writePackageRestrictionsLPr( 12055 mSettings.mPreferredActivities.keyAt(i)); 12056 } 12057 } 12058 } 12059 sUserManager.systemReady(); 12060 } 12061 12062 @Override 12063 public boolean isSafeMode() { 12064 return mSafeMode; 12065 } 12066 12067 @Override 12068 public boolean hasSystemUidErrors() { 12069 return mHasSystemUidErrors; 12070 } 12071 12072 static String arrayToString(int[] array) { 12073 StringBuffer buf = new StringBuffer(128); 12074 buf.append('['); 12075 if (array != null) { 12076 for (int i=0; i<array.length; i++) { 12077 if (i > 0) buf.append(", "); 12078 buf.append(array[i]); 12079 } 12080 } 12081 buf.append(']'); 12082 return buf.toString(); 12083 } 12084 12085 static class DumpState { 12086 public static final int DUMP_LIBS = 1 << 0; 12087 public static final int DUMP_FEATURES = 1 << 1; 12088 public static final int DUMP_RESOLVERS = 1 << 2; 12089 public static final int DUMP_PERMISSIONS = 1 << 3; 12090 public static final int DUMP_PACKAGES = 1 << 4; 12091 public static final int DUMP_SHARED_USERS = 1 << 5; 12092 public static final int DUMP_MESSAGES = 1 << 6; 12093 public static final int DUMP_PROVIDERS = 1 << 7; 12094 public static final int DUMP_VERIFIERS = 1 << 8; 12095 public static final int DUMP_PREFERRED = 1 << 9; 12096 public static final int DUMP_PREFERRED_XML = 1 << 10; 12097 public static final int DUMP_KEYSETS = 1 << 11; 12098 public static final int DUMP_VERSION = 1 << 12; 12099 public static final int DUMP_INSTALLS = 1 << 13; 12100 12101 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12102 12103 private int mTypes; 12104 12105 private int mOptions; 12106 12107 private boolean mTitlePrinted; 12108 12109 private SharedUserSetting mSharedUser; 12110 12111 public boolean isDumping(int type) { 12112 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12113 return true; 12114 } 12115 12116 return (mTypes & type) != 0; 12117 } 12118 12119 public void setDump(int type) { 12120 mTypes |= type; 12121 } 12122 12123 public boolean isOptionEnabled(int option) { 12124 return (mOptions & option) != 0; 12125 } 12126 12127 public void setOptionEnabled(int option) { 12128 mOptions |= option; 12129 } 12130 12131 public boolean onTitlePrinted() { 12132 final boolean printed = mTitlePrinted; 12133 mTitlePrinted = true; 12134 return printed; 12135 } 12136 12137 public boolean getTitlePrinted() { 12138 return mTitlePrinted; 12139 } 12140 12141 public void setTitlePrinted(boolean enabled) { 12142 mTitlePrinted = enabled; 12143 } 12144 12145 public SharedUserSetting getSharedUser() { 12146 return mSharedUser; 12147 } 12148 12149 public void setSharedUser(SharedUserSetting user) { 12150 mSharedUser = user; 12151 } 12152 } 12153 12154 @Override 12155 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12156 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12157 != PackageManager.PERMISSION_GRANTED) { 12158 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12159 + Binder.getCallingPid() 12160 + ", uid=" + Binder.getCallingUid() 12161 + " without permission " 12162 + android.Manifest.permission.DUMP); 12163 return; 12164 } 12165 12166 DumpState dumpState = new DumpState(); 12167 boolean fullPreferred = false; 12168 boolean checkin = false; 12169 12170 String packageName = null; 12171 12172 int opti = 0; 12173 while (opti < args.length) { 12174 String opt = args[opti]; 12175 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12176 break; 12177 } 12178 opti++; 12179 if ("-a".equals(opt)) { 12180 // Right now we only know how to print all. 12181 } else if ("-h".equals(opt)) { 12182 pw.println("Package manager dump options:"); 12183 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12184 pw.println(" --checkin: dump for a checkin"); 12185 pw.println(" -f: print details of intent filters"); 12186 pw.println(" -h: print this help"); 12187 pw.println(" cmd may be one of:"); 12188 pw.println(" l[ibraries]: list known shared libraries"); 12189 pw.println(" f[ibraries]: list device features"); 12190 pw.println(" k[eysets]: print known keysets"); 12191 pw.println(" r[esolvers]: dump intent resolvers"); 12192 pw.println(" perm[issions]: dump permissions"); 12193 pw.println(" pref[erred]: print preferred package settings"); 12194 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12195 pw.println(" prov[iders]: dump content providers"); 12196 pw.println(" p[ackages]: dump installed packages"); 12197 pw.println(" s[hared-users]: dump shared user IDs"); 12198 pw.println(" m[essages]: print collected runtime messages"); 12199 pw.println(" v[erifiers]: print package verifier info"); 12200 pw.println(" version: print database version info"); 12201 pw.println(" write: write current settings now"); 12202 pw.println(" <package.name>: info about given package"); 12203 pw.println(" installs: details about install sessions"); 12204 return; 12205 } else if ("--checkin".equals(opt)) { 12206 checkin = true; 12207 } else if ("-f".equals(opt)) { 12208 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12209 } else { 12210 pw.println("Unknown argument: " + opt + "; use -h for help"); 12211 } 12212 } 12213 12214 // Is the caller requesting to dump a particular piece of data? 12215 if (opti < args.length) { 12216 String cmd = args[opti]; 12217 opti++; 12218 // Is this a package name? 12219 if ("android".equals(cmd) || cmd.contains(".")) { 12220 packageName = cmd; 12221 // When dumping a single package, we always dump all of its 12222 // filter information since the amount of data will be reasonable. 12223 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12224 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12225 dumpState.setDump(DumpState.DUMP_LIBS); 12226 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12227 dumpState.setDump(DumpState.DUMP_FEATURES); 12228 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12229 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12230 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12231 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12232 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12233 dumpState.setDump(DumpState.DUMP_PREFERRED); 12234 } else if ("preferred-xml".equals(cmd)) { 12235 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12236 if (opti < args.length && "--full".equals(args[opti])) { 12237 fullPreferred = true; 12238 opti++; 12239 } 12240 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12241 dumpState.setDump(DumpState.DUMP_PACKAGES); 12242 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12243 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12244 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12245 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12246 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12247 dumpState.setDump(DumpState.DUMP_MESSAGES); 12248 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12249 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12250 } else if ("version".equals(cmd)) { 12251 dumpState.setDump(DumpState.DUMP_VERSION); 12252 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12253 dumpState.setDump(DumpState.DUMP_KEYSETS); 12254 } else if ("write".equals(cmd)) { 12255 synchronized (mPackages) { 12256 mSettings.writeLPr(); 12257 pw.println("Settings written."); 12258 return; 12259 } 12260 } else if ("installs".equals(cmd)) { 12261 dumpState.setDump(DumpState.DUMP_INSTALLS); 12262 } 12263 } 12264 12265 if (checkin) { 12266 pw.println("vers,1"); 12267 } 12268 12269 // reader 12270 synchronized (mPackages) { 12271 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12272 if (!checkin) { 12273 if (dumpState.onTitlePrinted()) 12274 pw.println(); 12275 pw.println("Database versions:"); 12276 pw.print(" SDK Version:"); 12277 pw.print(" internal="); 12278 pw.print(mSettings.mInternalSdkPlatform); 12279 pw.print(" external="); 12280 pw.println(mSettings.mExternalSdkPlatform); 12281 pw.print(" DB Version:"); 12282 pw.print(" internal="); 12283 pw.print(mSettings.mInternalDatabaseVersion); 12284 pw.print(" external="); 12285 pw.println(mSettings.mExternalDatabaseVersion); 12286 } 12287 } 12288 12289 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12290 if (!checkin) { 12291 if (dumpState.onTitlePrinted()) 12292 pw.println(); 12293 pw.println("Verifiers:"); 12294 pw.print(" Required: "); 12295 pw.print(mRequiredVerifierPackage); 12296 pw.print(" (uid="); 12297 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12298 pw.println(")"); 12299 } else if (mRequiredVerifierPackage != null) { 12300 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12301 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12302 } 12303 } 12304 12305 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12306 boolean printedHeader = false; 12307 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12308 while (it.hasNext()) { 12309 String name = it.next(); 12310 SharedLibraryEntry ent = mSharedLibraries.get(name); 12311 if (!checkin) { 12312 if (!printedHeader) { 12313 if (dumpState.onTitlePrinted()) 12314 pw.println(); 12315 pw.println("Libraries:"); 12316 printedHeader = true; 12317 } 12318 pw.print(" "); 12319 } else { 12320 pw.print("lib,"); 12321 } 12322 pw.print(name); 12323 if (!checkin) { 12324 pw.print(" -> "); 12325 } 12326 if (ent.path != null) { 12327 if (!checkin) { 12328 pw.print("(jar) "); 12329 pw.print(ent.path); 12330 } else { 12331 pw.print(",jar,"); 12332 pw.print(ent.path); 12333 } 12334 } else { 12335 if (!checkin) { 12336 pw.print("(apk) "); 12337 pw.print(ent.apk); 12338 } else { 12339 pw.print(",apk,"); 12340 pw.print(ent.apk); 12341 } 12342 } 12343 pw.println(); 12344 } 12345 } 12346 12347 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12348 if (dumpState.onTitlePrinted()) 12349 pw.println(); 12350 if (!checkin) { 12351 pw.println("Features:"); 12352 } 12353 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12354 while (it.hasNext()) { 12355 String name = it.next(); 12356 if (!checkin) { 12357 pw.print(" "); 12358 } else { 12359 pw.print("feat,"); 12360 } 12361 pw.println(name); 12362 } 12363 } 12364 12365 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12366 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12367 : "Activity Resolver Table:", " ", packageName, 12368 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12369 dumpState.setTitlePrinted(true); 12370 } 12371 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12372 : "Receiver Resolver Table:", " ", packageName, 12373 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12374 dumpState.setTitlePrinted(true); 12375 } 12376 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12377 : "Service Resolver Table:", " ", packageName, 12378 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12379 dumpState.setTitlePrinted(true); 12380 } 12381 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12382 : "Provider Resolver Table:", " ", packageName, 12383 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12384 dumpState.setTitlePrinted(true); 12385 } 12386 } 12387 12388 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12389 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12390 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12391 int user = mSettings.mPreferredActivities.keyAt(i); 12392 if (pir.dump(pw, 12393 dumpState.getTitlePrinted() 12394 ? "\nPreferred Activities User " + user + ":" 12395 : "Preferred Activities User " + user + ":", " ", 12396 packageName, true)) { 12397 dumpState.setTitlePrinted(true); 12398 } 12399 } 12400 } 12401 12402 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12403 pw.flush(); 12404 FileOutputStream fout = new FileOutputStream(fd); 12405 BufferedOutputStream str = new BufferedOutputStream(fout); 12406 XmlSerializer serializer = new FastXmlSerializer(); 12407 try { 12408 serializer.setOutput(str, "utf-8"); 12409 serializer.startDocument(null, true); 12410 serializer.setFeature( 12411 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12412 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12413 serializer.endDocument(); 12414 serializer.flush(); 12415 } catch (IllegalArgumentException e) { 12416 pw.println("Failed writing: " + e); 12417 } catch (IllegalStateException e) { 12418 pw.println("Failed writing: " + e); 12419 } catch (IOException e) { 12420 pw.println("Failed writing: " + e); 12421 } 12422 } 12423 12424 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12425 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12426 if (packageName == null) { 12427 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12428 if (iperm == 0) { 12429 if (dumpState.onTitlePrinted()) 12430 pw.println(); 12431 pw.println("AppOp Permissions:"); 12432 } 12433 pw.print(" AppOp Permission "); 12434 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12435 pw.println(":"); 12436 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12437 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12438 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12439 } 12440 } 12441 } 12442 } 12443 12444 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12445 boolean printedSomething = false; 12446 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12447 if (packageName != null && !packageName.equals(p.info.packageName)) { 12448 continue; 12449 } 12450 if (!printedSomething) { 12451 if (dumpState.onTitlePrinted()) 12452 pw.println(); 12453 pw.println("Registered ContentProviders:"); 12454 printedSomething = true; 12455 } 12456 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12457 pw.print(" "); pw.println(p.toString()); 12458 } 12459 printedSomething = false; 12460 for (Map.Entry<String, PackageParser.Provider> entry : 12461 mProvidersByAuthority.entrySet()) { 12462 PackageParser.Provider p = entry.getValue(); 12463 if (packageName != null && !packageName.equals(p.info.packageName)) { 12464 continue; 12465 } 12466 if (!printedSomething) { 12467 if (dumpState.onTitlePrinted()) 12468 pw.println(); 12469 pw.println("ContentProvider Authorities:"); 12470 printedSomething = true; 12471 } 12472 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12473 pw.print(" "); pw.println(p.toString()); 12474 if (p.info != null && p.info.applicationInfo != null) { 12475 final String appInfo = p.info.applicationInfo.toString(); 12476 pw.print(" applicationInfo="); pw.println(appInfo); 12477 } 12478 } 12479 } 12480 12481 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12482 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12483 } 12484 12485 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12486 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12487 } 12488 12489 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12490 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12491 } 12492 12493 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS)) { 12494 if (dumpState.onTitlePrinted()) pw.println(); 12495 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12496 } 12497 12498 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12499 if (dumpState.onTitlePrinted()) pw.println(); 12500 mSettings.dumpReadMessagesLPr(pw, dumpState); 12501 12502 pw.println(); 12503 pw.println("Package warning messages:"); 12504 final File fname = getSettingsProblemFile(); 12505 FileInputStream in = null; 12506 try { 12507 in = new FileInputStream(fname); 12508 final int avail = in.available(); 12509 final byte[] data = new byte[avail]; 12510 in.read(data); 12511 pw.print(new String(data)); 12512 } catch (FileNotFoundException e) { 12513 } catch (IOException e) { 12514 } finally { 12515 if (in != null) { 12516 try { 12517 in.close(); 12518 } catch (IOException e) { 12519 } 12520 } 12521 } 12522 } 12523 } 12524 } 12525 12526 // ------- apps on sdcard specific code ------- 12527 static final boolean DEBUG_SD_INSTALL = false; 12528 12529 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12530 12531 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12532 12533 private boolean mMediaMounted = false; 12534 12535 private String getEncryptKey() { 12536 try { 12537 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12538 SD_ENCRYPTION_KEYSTORE_NAME); 12539 if (sdEncKey == null) { 12540 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12541 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12542 if (sdEncKey == null) { 12543 Slog.e(TAG, "Failed to create encryption keys"); 12544 return null; 12545 } 12546 } 12547 return sdEncKey; 12548 } catch (NoSuchAlgorithmException nsae) { 12549 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12550 return null; 12551 } catch (IOException ioe) { 12552 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12553 return null; 12554 } 12555 12556 } 12557 12558 /* package */static String getTempContainerId() { 12559 int tmpIdx = 1; 12560 String list[] = PackageHelper.getSecureContainerList(); 12561 if (list != null) { 12562 for (final String name : list) { 12563 // Ignore null and non-temporary container entries 12564 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12565 continue; 12566 } 12567 12568 String subStr = name.substring(mTempContainerPrefix.length()); 12569 try { 12570 int cid = Integer.parseInt(subStr); 12571 if (cid >= tmpIdx) { 12572 tmpIdx = cid + 1; 12573 } 12574 } catch (NumberFormatException e) { 12575 } 12576 } 12577 } 12578 return mTempContainerPrefix + tmpIdx; 12579 } 12580 12581 /* 12582 * Update media status on PackageManager. 12583 */ 12584 @Override 12585 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12586 int callingUid = Binder.getCallingUid(); 12587 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12588 throw new SecurityException("Media status can only be updated by the system"); 12589 } 12590 // reader; this apparently protects mMediaMounted, but should probably 12591 // be a different lock in that case. 12592 synchronized (mPackages) { 12593 Log.i(TAG, "Updating external media status from " 12594 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12595 + (mediaStatus ? "mounted" : "unmounted")); 12596 if (DEBUG_SD_INSTALL) 12597 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12598 + ", mMediaMounted=" + mMediaMounted); 12599 if (mediaStatus == mMediaMounted) { 12600 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12601 : 0, -1); 12602 mHandler.sendMessage(msg); 12603 return; 12604 } 12605 mMediaMounted = mediaStatus; 12606 } 12607 // Queue up an async operation since the package installation may take a 12608 // little while. 12609 mHandler.post(new Runnable() { 12610 public void run() { 12611 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12612 } 12613 }); 12614 } 12615 12616 /** 12617 * Called by MountService when the initial ASECs to scan are available. 12618 * Should block until all the ASEC containers are finished being scanned. 12619 */ 12620 public void scanAvailableAsecs() { 12621 updateExternalMediaStatusInner(true, false, false); 12622 if (mShouldRestoreconData) { 12623 SELinuxMMAC.setRestoreconDone(); 12624 mShouldRestoreconData = false; 12625 } 12626 } 12627 12628 /* 12629 * Collect information of applications on external media, map them against 12630 * existing containers and update information based on current mount status. 12631 * Please note that we always have to report status if reportStatus has been 12632 * set to true especially when unloading packages. 12633 */ 12634 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12635 boolean externalStorage) { 12636 // Collection of uids 12637 int uidArr[] = null; 12638 // Collection of stale containers 12639 HashSet<String> removeCids = new HashSet<String>(); 12640 // Collection of packages on external media with valid containers. 12641 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12642 // Get list of secure containers. 12643 final String list[] = PackageHelper.getSecureContainerList(); 12644 if (list == null || list.length == 0) { 12645 Log.i(TAG, "No secure containers on sdcard"); 12646 } else { 12647 // Process list of secure containers and categorize them 12648 // as active or stale based on their package internal state. 12649 int uidList[] = new int[list.length]; 12650 int num = 0; 12651 // reader 12652 synchronized (mPackages) { 12653 for (String cid : list) { 12654 if (DEBUG_SD_INSTALL) 12655 Log.i(TAG, "Processing container " + cid); 12656 String pkgName = getAsecPackageName(cid); 12657 if (pkgName == null) { 12658 if (DEBUG_SD_INSTALL) 12659 Log.i(TAG, "Container : " + cid + " stale"); 12660 removeCids.add(cid); 12661 continue; 12662 } 12663 if (DEBUG_SD_INSTALL) 12664 Log.i(TAG, "Looking for pkg : " + pkgName); 12665 12666 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12667 if (ps == null) { 12668 Log.i(TAG, "Deleting container with no matching settings " + cid); 12669 removeCids.add(cid); 12670 continue; 12671 } 12672 12673 /* 12674 * Skip packages that are not external if we're unmounting 12675 * external storage. 12676 */ 12677 if (externalStorage && !isMounted && !isExternal(ps)) { 12678 continue; 12679 } 12680 12681 final AsecInstallArgs args = new AsecInstallArgs(cid, 12682 getAppDexInstructionSets(ps), isForwardLocked(ps), isMultiArch(ps)); 12683 // The package status is changed only if the code path 12684 // matches between settings and the container id. 12685 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12686 if (DEBUG_SD_INSTALL) { 12687 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12688 + " at code path: " + ps.codePathString); 12689 } 12690 12691 // We do have a valid package installed on sdcard 12692 processCids.put(args, ps.codePathString); 12693 final int uid = ps.appId; 12694 if (uid != -1) { 12695 uidList[num++] = uid; 12696 } 12697 } else { 12698 Log.i(TAG, "Deleting stale container for " + cid); 12699 removeCids.add(cid); 12700 } 12701 } 12702 } 12703 12704 if (num > 0) { 12705 // Sort uid list 12706 Arrays.sort(uidList, 0, num); 12707 // Throw away duplicates 12708 uidArr = new int[num]; 12709 uidArr[0] = uidList[0]; 12710 int di = 0; 12711 for (int i = 1; i < num; i++) { 12712 if (uidList[i - 1] != uidList[i]) { 12713 uidArr[di++] = uidList[i]; 12714 } 12715 } 12716 } 12717 } 12718 // Process packages with valid entries. 12719 if (isMounted) { 12720 if (DEBUG_SD_INSTALL) 12721 Log.i(TAG, "Loading packages"); 12722 loadMediaPackages(processCids, uidArr, removeCids); 12723 startCleaningPackages(); 12724 } else { 12725 if (DEBUG_SD_INSTALL) 12726 Log.i(TAG, "Unloading packages"); 12727 unloadMediaPackages(processCids, uidArr, reportStatus); 12728 } 12729 } 12730 12731 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12732 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12733 int size = pkgList.size(); 12734 if (size > 0) { 12735 // Send broadcasts here 12736 Bundle extras = new Bundle(); 12737 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12738 .toArray(new String[size])); 12739 if (uidArr != null) { 12740 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12741 } 12742 if (replacing) { 12743 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12744 } 12745 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12746 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12747 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12748 } 12749 } 12750 12751 /* 12752 * Look at potentially valid container ids from processCids If package 12753 * information doesn't match the one on record or package scanning fails, 12754 * the cid is added to list of removeCids. We currently don't delete stale 12755 * containers. 12756 */ 12757 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12758 HashSet<String> removeCids) { 12759 ArrayList<String> pkgList = new ArrayList<String>(); 12760 Set<AsecInstallArgs> keys = processCids.keySet(); 12761 boolean doGc = false; 12762 for (AsecInstallArgs args : keys) { 12763 String codePath = processCids.get(args); 12764 if (DEBUG_SD_INSTALL) 12765 Log.i(TAG, "Loading container : " + args.cid); 12766 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12767 try { 12768 // Make sure there are no container errors first. 12769 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12770 Slog.e(TAG, "Failed to mount cid : " + args.cid 12771 + " when installing from sdcard"); 12772 continue; 12773 } 12774 // Check code path here. 12775 if (codePath == null || !codePath.equals(args.getCodePath())) { 12776 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12777 + " does not match one in settings " + codePath); 12778 continue; 12779 } 12780 // Parse package 12781 int parseFlags = mDefParseFlags; 12782 if (args.isExternal()) { 12783 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12784 } 12785 if (args.isFwdLocked()) { 12786 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12787 } 12788 12789 doGc = true; 12790 synchronized (mInstallLock) { 12791 PackageParser.Package pkg = null; 12792 try { 12793 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null, null); 12794 } catch (PackageManagerException e) { 12795 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12796 } 12797 // Scan the package 12798 if (pkg != null) { 12799 /* 12800 * TODO why is the lock being held? doPostInstall is 12801 * called in other places without the lock. This needs 12802 * to be straightened out. 12803 */ 12804 // writer 12805 synchronized (mPackages) { 12806 retCode = PackageManager.INSTALL_SUCCEEDED; 12807 pkgList.add(pkg.packageName); 12808 // Post process args 12809 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12810 pkg.applicationInfo.uid); 12811 } 12812 } else { 12813 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12814 } 12815 } 12816 12817 } finally { 12818 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12819 // Don't destroy container here. Wait till gc clears things 12820 // up. 12821 removeCids.add(args.cid); 12822 } 12823 } 12824 } 12825 // writer 12826 synchronized (mPackages) { 12827 // If the platform SDK has changed since the last time we booted, 12828 // we need to re-grant app permission to catch any new ones that 12829 // appear. This is really a hack, and means that apps can in some 12830 // cases get permissions that the user didn't initially explicitly 12831 // allow... it would be nice to have some better way to handle 12832 // this situation. 12833 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12834 if (regrantPermissions) 12835 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12836 + mSdkVersion + "; regranting permissions for external storage"); 12837 mSettings.mExternalSdkPlatform = mSdkVersion; 12838 12839 // Make sure group IDs have been assigned, and any permission 12840 // changes in other apps are accounted for 12841 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12842 | (regrantPermissions 12843 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12844 : 0)); 12845 12846 mSettings.updateExternalDatabaseVersion(); 12847 12848 // can downgrade to reader 12849 // Persist settings 12850 mSettings.writeLPr(); 12851 } 12852 // Send a broadcast to let everyone know we are done processing 12853 if (pkgList.size() > 0) { 12854 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12855 } 12856 // Force gc to avoid any stale parser references that we might have. 12857 if (doGc) { 12858 Runtime.getRuntime().gc(); 12859 } 12860 // List stale containers and destroy stale temporary containers. 12861 if (removeCids != null) { 12862 for (String cid : removeCids) { 12863 if (cid.startsWith(mTempContainerPrefix)) { 12864 Log.i(TAG, "Destroying stale temporary container " + cid); 12865 PackageHelper.destroySdDir(cid); 12866 } else { 12867 Log.w(TAG, "Container " + cid + " is stale"); 12868 } 12869 } 12870 } 12871 } 12872 12873 /* 12874 * Utility method to unload a list of specified containers 12875 */ 12876 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12877 // Just unmount all valid containers. 12878 for (AsecInstallArgs arg : cidArgs) { 12879 synchronized (mInstallLock) { 12880 arg.doPostDeleteLI(false); 12881 } 12882 } 12883 } 12884 12885 /* 12886 * Unload packages mounted on external media. This involves deleting package 12887 * data from internal structures, sending broadcasts about diabled packages, 12888 * gc'ing to free up references, unmounting all secure containers 12889 * corresponding to packages on external media, and posting a 12890 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12891 * that we always have to post this message if status has been requested no 12892 * matter what. 12893 */ 12894 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12895 final boolean reportStatus) { 12896 if (DEBUG_SD_INSTALL) 12897 Log.i(TAG, "unloading media packages"); 12898 ArrayList<String> pkgList = new ArrayList<String>(); 12899 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12900 final Set<AsecInstallArgs> keys = processCids.keySet(); 12901 for (AsecInstallArgs args : keys) { 12902 String pkgName = args.getPackageName(); 12903 if (DEBUG_SD_INSTALL) 12904 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12905 // Delete package internally 12906 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12907 synchronized (mInstallLock) { 12908 boolean res = deletePackageLI(pkgName, null, false, null, null, 12909 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12910 if (res) { 12911 pkgList.add(pkgName); 12912 } else { 12913 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12914 failedList.add(args); 12915 } 12916 } 12917 } 12918 12919 // reader 12920 synchronized (mPackages) { 12921 // We didn't update the settings after removing each package; 12922 // write them now for all packages. 12923 mSettings.writeLPr(); 12924 } 12925 12926 // We have to absolutely send UPDATED_MEDIA_STATUS only 12927 // after confirming that all the receivers processed the ordered 12928 // broadcast when packages get disabled, force a gc to clean things up. 12929 // and unload all the containers. 12930 if (pkgList.size() > 0) { 12931 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12932 new IIntentReceiver.Stub() { 12933 public void performReceive(Intent intent, int resultCode, String data, 12934 Bundle extras, boolean ordered, boolean sticky, 12935 int sendingUser) throws RemoteException { 12936 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12937 reportStatus ? 1 : 0, 1, keys); 12938 mHandler.sendMessage(msg); 12939 } 12940 }); 12941 } else { 12942 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12943 keys); 12944 mHandler.sendMessage(msg); 12945 } 12946 } 12947 12948 /** Binder call */ 12949 @Override 12950 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12951 final int flags) { 12952 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12953 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12954 int returnCode = PackageManager.MOVE_SUCCEEDED; 12955 int currFlags = 0; 12956 int newFlags = 0; 12957 // reader 12958 synchronized (mPackages) { 12959 PackageParser.Package pkg = mPackages.get(packageName); 12960 if (pkg == null) { 12961 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12962 } else { 12963 // Disable moving fwd locked apps and system packages 12964 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12965 Slog.w(TAG, "Cannot move system application"); 12966 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12967 } else if (pkg.mOperationPending) { 12968 Slog.w(TAG, "Attempt to move package which has pending operations"); 12969 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12970 } else { 12971 // Find install location first 12972 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12973 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12974 Slog.w(TAG, "Ambigous flags specified for move location."); 12975 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12976 } else { 12977 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12978 : PackageManager.INSTALL_INTERNAL; 12979 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12980 : PackageManager.INSTALL_INTERNAL; 12981 12982 if (newFlags == currFlags) { 12983 Slog.w(TAG, "No move required. Trying to move to same location"); 12984 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12985 } else { 12986 if (isForwardLocked(pkg)) { 12987 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12988 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12989 } 12990 } 12991 } 12992 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12993 pkg.mOperationPending = true; 12994 } 12995 } 12996 } 12997 12998 /* 12999 * TODO this next block probably shouldn't be inside the lock. We 13000 * can't guarantee these won't change after this is fired off 13001 * anyway. 13002 */ 13003 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13004 processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1, user, false), 13005 returnCode); 13006 } else { 13007 Message msg = mHandler.obtainMessage(INIT_COPY); 13008 final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 13009 final boolean multiArch = isMultiArch(pkg.applicationInfo); 13010 InstallArgs srcArgs = createInstallArgsForExisting(currFlags, 13011 pkg.applicationInfo.getCodePath(), pkg.applicationInfo.getResourcePath(), 13012 pkg.applicationInfo.nativeLibraryRootDir, instructionSets, multiArch); 13013 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 13014 instructionSets, pkg.applicationInfo.uid, user, multiArch); 13015 msg.obj = mp; 13016 mHandler.sendMessage(msg); 13017 } 13018 } 13019 } 13020 13021 private void processPendingMove(final MoveParams mp, final int currentStatus) { 13022 // Queue up an async operation since the package deletion may take a 13023 // little while. 13024 mHandler.post(new Runnable() { 13025 public void run() { 13026 // TODO fix this; this does nothing. 13027 mHandler.removeCallbacks(this); 13028 int returnCode = currentStatus; 13029 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 13030 int uidArr[] = null; 13031 ArrayList<String> pkgList = null; 13032 synchronized (mPackages) { 13033 PackageParser.Package pkg = mPackages.get(mp.packageName); 13034 if (pkg == null) { 13035 Slog.w(TAG, " Package " + mp.packageName 13036 + " doesn't exist. Aborting move"); 13037 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13038 } else if (!mp.srcArgs.getCodePath().equals( 13039 pkg.applicationInfo.getCodePath())) { 13040 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 13041 + mp.srcArgs.getCodePath() + " to " 13042 + pkg.applicationInfo.getCodePath() 13043 + " Aborting move and returning error"); 13044 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13045 } else { 13046 uidArr = new int[] { 13047 pkg.applicationInfo.uid 13048 }; 13049 pkgList = new ArrayList<String>(); 13050 pkgList.add(mp.packageName); 13051 } 13052 } 13053 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13054 // Send resources unavailable broadcast 13055 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 13056 // Update package code and resource paths 13057 synchronized (mInstallLock) { 13058 synchronized (mPackages) { 13059 PackageParser.Package pkg = mPackages.get(mp.packageName); 13060 // Recheck for package again. 13061 if (pkg == null) { 13062 Slog.w(TAG, " Package " + mp.packageName 13063 + " doesn't exist. Aborting move"); 13064 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13065 } else if (!mp.srcArgs.getCodePath().equals( 13066 pkg.applicationInfo.getCodePath())) { 13067 Slog.w(TAG, "Package " + mp.packageName 13068 + " code path changed from " + mp.srcArgs.getCodePath() 13069 + " to " + pkg.applicationInfo.getCodePath() 13070 + " Aborting move and returning error"); 13071 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13072 } else { 13073 final String oldCodePath = pkg.codePath; 13074 final String newCodePath = mp.targetArgs.getCodePath(); 13075 final String newResPath = mp.targetArgs.getResourcePath(); 13076 // TODO: This assumes the new style of installation. 13077 // should we look at legacyNativeLibraryPath ? 13078 final String newNativeRoot = new File(pkg.codePath, LIB_DIR_NAME).getAbsolutePath(); 13079 final File newNativeDir = new File(newNativeRoot); 13080 13081 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 13082 // TODO(multiArch): Fix this so that it looks at the existing 13083 // recorded CPU abis from the package. There's no need for a separate 13084 // round of ABI scanning here. 13085 NativeLibraryHelper.Handle handle = null; 13086 try { 13087 handle = NativeLibraryHelper.Handle.create( 13088 new File(newCodePath)); 13089 final int abi = NativeLibraryHelper.findSupportedAbi( 13090 handle, Build.SUPPORTED_ABIS); 13091 if (abi >= 0) { 13092 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 13093 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 13094 } 13095 } catch (IOException ioe) { 13096 Slog.w(TAG, "Unable to extract native libs for package :" 13097 + mp.packageName, ioe); 13098 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 13099 } finally { 13100 IoUtils.closeQuietly(handle); 13101 } 13102 } 13103 13104 final int[] users = sUserManager.getUserIds(); 13105 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13106 for (int user : users) { 13107 // TODO(multiArch): Fix this so that it links to the 13108 // correct directory. We're currently pointing to root. but we 13109 // must point to the arch specific subdirectory (if applicable). 13110 // 13111 // TODO(multiArch): Bogus reference to nativeLibraryDir. 13112 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 13113 newNativeRoot, user) < 0) { 13114 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13115 } 13116 } 13117 } 13118 13119 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13120 pkg.codePath = newCodePath; 13121 pkg.baseCodePath = newCodePath; 13122 // Move dex files around 13123 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 13124 // Moving of dex files failed. Set 13125 // error code and abort move. 13126 pkg.codePath = oldCodePath; 13127 pkg.baseCodePath = oldCodePath; 13128 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 13129 } 13130 } 13131 13132 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13133 pkg.applicationInfo.setCodePath(newCodePath); 13134 pkg.applicationInfo.setBaseCodePath(newCodePath); 13135 pkg.applicationInfo.setSplitCodePaths(null); 13136 pkg.applicationInfo.setResourcePath(newResPath); 13137 pkg.applicationInfo.setBaseResourcePath(newResPath); 13138 pkg.applicationInfo.setSplitResourcePaths(null); 13139 13140 PackageSetting ps = (PackageSetting) pkg.mExtras; 13141 ps.codePath = new File(pkg.applicationInfo.getCodePath()); 13142 ps.codePathString = ps.codePath.getPath(); 13143 ps.resourcePath = new File(pkg.applicationInfo.getResourcePath()); 13144 ps.resourcePathString = ps.resourcePath.getPath(); 13145 13146 // Note that we don't have to recalculate the primary and secondary 13147 // CPU ABIs because they must already have been calculated during the 13148 // initial install of the app. 13149 ps.legacyNativeLibraryPathString = null; 13150 13151 // Set the application info flag 13152 // correctly. 13153 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 13154 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13155 } else { 13156 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 13157 } 13158 ps.setFlags(pkg.applicationInfo.flags); 13159 mAppDirs.remove(oldCodePath); 13160 mAppDirs.put(newCodePath, pkg); 13161 // Persist settings 13162 mSettings.writeLPr(); 13163 } 13164 } 13165 } 13166 } 13167 // Send resources available broadcast 13168 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 13169 } 13170 } 13171 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13172 // Clean up failed installation 13173 if (mp.targetArgs != null) { 13174 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 13175 -1); 13176 } 13177 } else { 13178 // Force a gc to clear things up. 13179 Runtime.getRuntime().gc(); 13180 // Delete older code 13181 synchronized (mInstallLock) { 13182 mp.srcArgs.doPostDeleteLI(true); 13183 } 13184 } 13185 13186 // Allow more operations on this file if we didn't fail because 13187 // an operation was already pending for this package. 13188 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 13189 synchronized (mPackages) { 13190 PackageParser.Package pkg = mPackages.get(mp.packageName); 13191 if (pkg != null) { 13192 pkg.mOperationPending = false; 13193 } 13194 } 13195 } 13196 13197 IPackageMoveObserver observer = mp.observer; 13198 if (observer != null) { 13199 try { 13200 observer.packageMoved(mp.packageName, returnCode); 13201 } catch (RemoteException e) { 13202 Log.i(TAG, "Observer no longer exists."); 13203 } 13204 } 13205 } 13206 }); 13207 } 13208 13209 @Override 13210 public boolean setInstallLocation(int loc) { 13211 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13212 null); 13213 if (getInstallLocation() == loc) { 13214 return true; 13215 } 13216 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13217 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13218 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13219 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13220 return true; 13221 } 13222 return false; 13223 } 13224 13225 @Override 13226 public int getInstallLocation() { 13227 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13228 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13229 PackageHelper.APP_INSTALL_AUTO); 13230 } 13231 13232 /** Called by UserManagerService */ 13233 void cleanUpUserLILPw(int userHandle) { 13234 mDirtyUsers.remove(userHandle); 13235 mSettings.removeUserLPw(userHandle); 13236 mPendingBroadcasts.remove(userHandle); 13237 if (mInstaller != null) { 13238 // Technically, we shouldn't be doing this with the package lock 13239 // held. However, this is very rare, and there is already so much 13240 // other disk I/O going on, that we'll let it slide for now. 13241 mInstaller.removeUserDataDirs(userHandle); 13242 } 13243 mUserNeedsBadging.delete(userHandle); 13244 } 13245 13246 /** Called by UserManagerService */ 13247 void createNewUserLILPw(int userHandle, File path) { 13248 if (mInstaller != null) { 13249 mInstaller.createUserConfig(userHandle); 13250 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13251 } 13252 } 13253 13254 @Override 13255 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13256 mContext.enforceCallingOrSelfPermission( 13257 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13258 "Only package verification agents can read the verifier device identity"); 13259 13260 synchronized (mPackages) { 13261 return mSettings.getVerifierDeviceIdentityLPw(); 13262 } 13263 } 13264 13265 @Override 13266 public void setPermissionEnforced(String permission, boolean enforced) { 13267 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13268 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13269 synchronized (mPackages) { 13270 if (mSettings.mReadExternalStorageEnforced == null 13271 || mSettings.mReadExternalStorageEnforced != enforced) { 13272 mSettings.mReadExternalStorageEnforced = enforced; 13273 mSettings.writeLPr(); 13274 } 13275 } 13276 // kill any non-foreground processes so we restart them and 13277 // grant/revoke the GID. 13278 final IActivityManager am = ActivityManagerNative.getDefault(); 13279 if (am != null) { 13280 final long token = Binder.clearCallingIdentity(); 13281 try { 13282 am.killProcessesBelowForeground("setPermissionEnforcement"); 13283 } catch (RemoteException e) { 13284 } finally { 13285 Binder.restoreCallingIdentity(token); 13286 } 13287 } 13288 } else { 13289 throw new IllegalArgumentException("No selective enforcement for " + permission); 13290 } 13291 } 13292 13293 @Override 13294 @Deprecated 13295 public boolean isPermissionEnforced(String permission) { 13296 return true; 13297 } 13298 13299 @Override 13300 public boolean isStorageLow() { 13301 final long token = Binder.clearCallingIdentity(); 13302 try { 13303 final DeviceStorageMonitorInternal 13304 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13305 if (dsm != null) { 13306 return dsm.isMemoryLow(); 13307 } else { 13308 return false; 13309 } 13310 } finally { 13311 Binder.restoreCallingIdentity(token); 13312 } 13313 } 13314 13315 @Override 13316 public IPackageInstaller getPackageInstaller() { 13317 return mInstallerService; 13318 } 13319 13320 private boolean userNeedsBadging(int userId) { 13321 int index = mUserNeedsBadging.indexOfKey(userId); 13322 if (index < 0) { 13323 final UserInfo userInfo; 13324 final long token = Binder.clearCallingIdentity(); 13325 try { 13326 userInfo = sUserManager.getUserInfo(userId); 13327 } finally { 13328 Binder.restoreCallingIdentity(token); 13329 } 13330 final boolean b; 13331 if (userInfo != null && userInfo.isManagedProfile()) { 13332 b = true; 13333 } else { 13334 b = false; 13335 } 13336 mUserNeedsBadging.put(userId, b); 13337 return b; 13338 } 13339 return mUserNeedsBadging.valueAt(index); 13340 } 13341 13342 @Override 13343 public KeySetHandle getKeySetByAlias(String packageName, String alias) { 13344 if (packageName == null || alias == null) { 13345 return null; 13346 } 13347 synchronized(mPackages) { 13348 final PackageParser.Package pkg = mPackages.get(packageName); 13349 if (pkg == null) { 13350 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13351 throw new IllegalArgumentException("Unknown package: " + packageName); 13352 } 13353 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13354 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13355 throw new SecurityException("May not access KeySets defined by" 13356 + " aliases in other applications."); 13357 } 13358 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13359 return ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias); 13360 } 13361 } 13362 13363 @Override 13364 public KeySetHandle getSigningKeySet(String packageName) { 13365 if (packageName == null) { 13366 return null; 13367 } 13368 synchronized(mPackages) { 13369 final PackageParser.Package pkg = mPackages.get(packageName); 13370 if (pkg == null) { 13371 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13372 throw new IllegalArgumentException("Unknown package: " + packageName); 13373 } 13374 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13375 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13376 throw new SecurityException("May not access signing KeySet of other apps."); 13377 } 13378 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13379 return ksms.getSigningKeySetByPackageNameLPr(packageName); 13380 } 13381 } 13382 13383 @Override 13384 public boolean isPackageSignedByKeySet(String packageName, IBinder ks) { 13385 if (packageName == null || ks == null) { 13386 return false; 13387 } 13388 synchronized(mPackages) { 13389 final PackageParser.Package pkg = mPackages.get(packageName); 13390 if (pkg == null) { 13391 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13392 throw new IllegalArgumentException("Unknown package: " + packageName); 13393 } 13394 if (ks instanceof KeySetHandle) { 13395 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13396 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ks); 13397 } 13398 return false; 13399 } 13400 } 13401 13402 @Override 13403 public boolean isPackageSignedByKeySetExactly(String packageName, IBinder ks) { 13404 if (packageName == null || ks == null) { 13405 return false; 13406 } 13407 synchronized(mPackages) { 13408 final PackageParser.Package pkg = mPackages.get(packageName); 13409 if (pkg == null) { 13410 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13411 throw new IllegalArgumentException("Unknown package: " + packageName); 13412 } 13413 if (ks instanceof KeySetHandle) { 13414 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13415 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ks); 13416 } 13417 return false; 13418 } 13419 } 13420 13421 private static class LegacyPackageDeleteObserver extends PackageDeleteObserver { 13422 private final IPackageDeleteObserver mLegacy; 13423 13424 public LegacyPackageDeleteObserver(IPackageDeleteObserver legacy) { 13425 mLegacy = legacy; 13426 } 13427 13428 @Override 13429 public void onPackageDeleted(String basePackageName, int returnCode, String msg) { 13430 try { 13431 mLegacy.packageDeleted(basePackageName, returnCode); 13432 } catch (RemoteException ignored) { 13433 } 13434 } 13435 } 13436} 13437