PackageManagerService.java revision dda003ffa84f986bfaba4344124eafa533f5039d
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 45import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 46import static android.content.pm.PackageParser.isApkFile; 47import static android.os.Process.PACKAGE_INFO_GID; 48import static android.os.Process.SYSTEM_UID; 49import static android.system.OsConstants.O_CREAT; 50import static android.system.OsConstants.O_RDWR; 51import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 53import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 54import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 55import static com.android.internal.util.ArrayUtils.appendInt; 56import static com.android.internal.util.ArrayUtils.removeInt; 57 58import android.util.ArrayMap; 59 60import com.android.internal.R; 61import com.android.internal.app.IMediaContainerService; 62import com.android.internal.app.ResolverActivity; 63import com.android.internal.content.NativeLibraryHelper; 64import com.android.internal.content.PackageHelper; 65import com.android.internal.os.IParcelFileDescriptorFactory; 66import com.android.internal.util.ArrayUtils; 67import com.android.internal.util.FastPrintWriter; 68import com.android.internal.util.FastXmlSerializer; 69import com.android.internal.util.IndentingPrintWriter; 70import com.android.server.EventLogTags; 71import com.android.server.IntentResolver; 72import com.android.server.LocalServices; 73import com.android.server.ServiceThread; 74import com.android.server.SystemConfig; 75import com.android.server.Watchdog; 76import com.android.server.pm.Settings.DatabaseVersion; 77import com.android.server.storage.DeviceStorageMonitorInternal; 78 79import org.xmlpull.v1.XmlSerializer; 80 81import android.app.ActivityManager; 82import android.app.ActivityManagerNative; 83import android.app.IActivityManager; 84import android.app.admin.IDevicePolicyManager; 85import android.app.backup.IBackupManager; 86import android.content.BroadcastReceiver; 87import android.content.ComponentName; 88import android.content.Context; 89import android.content.IIntentReceiver; 90import android.content.Intent; 91import android.content.IntentFilter; 92import android.content.IntentSender; 93import android.content.IntentSender.SendIntentException; 94import android.content.ServiceConnection; 95import android.content.pm.ActivityInfo; 96import android.content.pm.ApplicationInfo; 97import android.content.pm.FeatureInfo; 98import android.content.pm.IPackageDataObserver; 99import android.content.pm.IPackageDeleteObserver; 100import android.content.pm.IPackageDeleteObserver2; 101import android.content.pm.IPackageInstallObserver2; 102import android.content.pm.IPackageInstaller; 103import android.content.pm.IPackageManager; 104import android.content.pm.IPackageMoveObserver; 105import android.content.pm.IPackageStatsObserver; 106import android.content.pm.InstrumentationInfo; 107import android.content.pm.ManifestDigest; 108import android.content.pm.PackageCleanItem; 109import android.content.pm.PackageInfo; 110import android.content.pm.PackageInfoLite; 111import android.content.pm.PackageInstaller; 112import android.content.pm.PackageManager; 113import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 114import android.content.pm.PackageParser.ActivityIntentInfo; 115import android.content.pm.PackageParser.PackageLite; 116import android.content.pm.PackageParser.PackageParserException; 117import android.content.pm.PackageParser; 118import android.content.pm.PackageStats; 119import android.content.pm.PackageUserState; 120import android.content.pm.ParceledListSlice; 121import android.content.pm.PermissionGroupInfo; 122import android.content.pm.PermissionInfo; 123import android.content.pm.ProviderInfo; 124import android.content.pm.ResolveInfo; 125import android.content.pm.ServiceInfo; 126import android.content.pm.Signature; 127import android.content.pm.UserInfo; 128import android.content.pm.VerificationParams; 129import android.content.pm.VerifierDeviceIdentity; 130import android.content.pm.VerifierInfo; 131import android.content.res.Resources; 132import android.hardware.display.DisplayManager; 133import android.net.Uri; 134import android.os.Binder; 135import android.os.Build; 136import android.os.Bundle; 137import android.os.Environment; 138import android.os.Environment.UserEnvironment; 139import android.os.storage.StorageManager; 140import android.os.FileUtils; 141import android.os.Handler; 142import android.os.IBinder; 143import android.os.Looper; 144import android.os.Message; 145import android.os.Parcel; 146import android.os.ParcelFileDescriptor; 147import android.os.Process; 148import android.os.RemoteException; 149import android.os.SELinux; 150import android.os.ServiceManager; 151import android.os.SystemClock; 152import android.os.SystemProperties; 153import android.os.UserHandle; 154import android.os.UserManager; 155import android.security.KeyStore; 156import android.security.SystemKeyStore; 157import android.system.ErrnoException; 158import android.system.Os; 159import android.system.StructStat; 160import android.text.TextUtils; 161import android.util.ArraySet; 162import android.util.AtomicFile; 163import android.util.DisplayMetrics; 164import android.util.EventLog; 165import android.util.ExceptionUtils; 166import android.util.Log; 167import android.util.LogPrinter; 168import android.util.PrintStreamPrinter; 169import android.util.Slog; 170import android.util.SparseArray; 171import android.util.SparseBooleanArray; 172import android.view.Display; 173 174import java.io.BufferedInputStream; 175import java.io.BufferedOutputStream; 176import java.io.File; 177import java.io.FileDescriptor; 178import java.io.FileInputStream; 179import java.io.FileNotFoundException; 180import java.io.FileOutputStream; 181import java.io.FilenameFilter; 182import java.io.IOException; 183import java.io.InputStream; 184import java.io.PrintWriter; 185import java.nio.charset.StandardCharsets; 186import java.security.NoSuchAlgorithmException; 187import java.security.PublicKey; 188import java.security.cert.CertificateEncodingException; 189import java.security.cert.CertificateException; 190import java.text.SimpleDateFormat; 191import java.util.ArrayList; 192import java.util.Arrays; 193import java.util.Collection; 194import java.util.Collections; 195import java.util.Comparator; 196import java.util.Date; 197import java.util.HashMap; 198import java.util.HashSet; 199import java.util.Iterator; 200import java.util.List; 201import java.util.Map; 202import java.util.Set; 203import java.util.concurrent.atomic.AtomicBoolean; 204import java.util.concurrent.atomic.AtomicLong; 205 206import dalvik.system.DexFile; 207import dalvik.system.StaleDexCacheError; 208import dalvik.system.VMRuntime; 209 210import libcore.io.IoUtils; 211import libcore.util.EmptyArray; 212 213/** 214 * Keep track of all those .apks everywhere. 215 * 216 * This is very central to the platform's security; please run the unit 217 * tests whenever making modifications here: 218 * 219mmm frameworks/base/tests/AndroidTests 220adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 221adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 222 * 223 * {@hide} 224 */ 225public class PackageManagerService extends IPackageManager.Stub { 226 static final String TAG = "PackageManager"; 227 static final boolean DEBUG_SETTINGS = false; 228 static final boolean DEBUG_PREFERRED = false; 229 static final boolean DEBUG_UPGRADE = false; 230 private static final boolean DEBUG_INSTALL = false; 231 private static final boolean DEBUG_REMOVE = false; 232 private static final boolean DEBUG_BROADCASTS = false; 233 private static final boolean DEBUG_SHOW_INFO = false; 234 private static final boolean DEBUG_PACKAGE_INFO = false; 235 private static final boolean DEBUG_INTENT_MATCHING = false; 236 private static final boolean DEBUG_PACKAGE_SCANNING = false; 237 private static final boolean DEBUG_VERIFY = false; 238 private static final boolean DEBUG_DEXOPT = false; 239 private static final boolean DEBUG_ABI_SELECTION = false; 240 241 private static final int RADIO_UID = Process.PHONE_UID; 242 private static final int LOG_UID = Process.LOG_UID; 243 private static final int NFC_UID = Process.NFC_UID; 244 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 245 private static final int SHELL_UID = Process.SHELL_UID; 246 247 // Cap the size of permission trees that 3rd party apps can define 248 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 249 250 // Suffix used during package installation when copying/moving 251 // package apks to install directory. 252 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 253 254 static final int SCAN_NO_DEX = 1<<1; 255 static final int SCAN_FORCE_DEX = 1<<2; 256 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 257 static final int SCAN_NEW_INSTALL = 1<<4; 258 static final int SCAN_NO_PATHS = 1<<5; 259 static final int SCAN_UPDATE_TIME = 1<<6; 260 static final int SCAN_DEFER_DEX = 1<<7; 261 static final int SCAN_BOOTING = 1<<8; 262 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 263 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 264 static final int SCAN_REPLACING = 1<<11; 265 266 static final int REMOVE_CHATTY = 1<<16; 267 268 /** 269 * Timeout (in milliseconds) after which the watchdog should declare that 270 * our handler thread is wedged. The usual default for such things is one 271 * minute but we sometimes do very lengthy I/O operations on this thread, 272 * such as installing multi-gigabyte applications, so ours needs to be longer. 273 */ 274 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 275 276 /** 277 * Whether verification is enabled by default. 278 */ 279 private static final boolean DEFAULT_VERIFY_ENABLE = true; 280 281 /** 282 * The default maximum time to wait for the verification agent to return in 283 * milliseconds. 284 */ 285 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 286 287 /** 288 * The default response for package verification timeout. 289 * 290 * This can be either PackageManager.VERIFICATION_ALLOW or 291 * PackageManager.VERIFICATION_REJECT. 292 */ 293 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 294 295 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 296 297 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 298 DEFAULT_CONTAINER_PACKAGE, 299 "com.android.defcontainer.DefaultContainerService"); 300 301 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 302 303 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 304 305 private static String sPreferredInstructionSet; 306 307 final ServiceThread mHandlerThread; 308 309 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 310 private static final String IDMAP_SUFFIX = "@idmap"; 311 312 final PackageHandler mHandler; 313 314 final int mSdkVersion = Build.VERSION.SDK_INT; 315 316 final Context mContext; 317 final boolean mFactoryTest; 318 final boolean mOnlyCore; 319 final DisplayMetrics mMetrics; 320 final int mDefParseFlags; 321 final String[] mSeparateProcesses; 322 323 // This is where all application persistent data goes. 324 final File mAppDataDir; 325 326 // This is where all application persistent data goes for secondary users. 327 final File mUserAppDataDir; 328 329 /** The location for ASEC container files on internal storage. */ 330 final String mAsecInternalPath; 331 332 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 333 // LOCK HELD. Can be called with mInstallLock held. 334 final Installer mInstaller; 335 336 /** Directory where installed third-party apps stored */ 337 final File mAppInstallDir; 338 339 /** 340 * Directory to which applications installed internally have their 341 * 32 bit native libraries copied. 342 */ 343 private File mAppLib32InstallDir; 344 345 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 346 // apps. 347 final File mDrmAppPrivateInstallDir; 348 349 // ---------------------------------------------------------------- 350 351 // Lock for state used when installing and doing other long running 352 // operations. Methods that must be called with this lock held have 353 // the suffix "LI". 354 final Object mInstallLock = new Object(); 355 356 // ---------------------------------------------------------------- 357 358 // Keys are String (package name), values are Package. This also serves 359 // as the lock for the global state. Methods that must be called with 360 // this lock held have the prefix "LP". 361 final HashMap<String, PackageParser.Package> mPackages = 362 new HashMap<String, PackageParser.Package>(); 363 364 // Tracks available target package names -> overlay package paths. 365 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 366 new HashMap<String, HashMap<String, PackageParser.Package>>(); 367 368 final Settings mSettings; 369 boolean mRestoredSettings; 370 371 // System configuration read by SystemConfig. 372 final int[] mGlobalGids; 373 final SparseArray<HashSet<String>> mSystemPermissions; 374 final HashMap<String, FeatureInfo> mAvailableFeatures; 375 376 // If mac_permissions.xml was found for seinfo labeling. 377 boolean mFoundPolicyFile; 378 379 // If a recursive restorecon of /data/data/<pkg> is needed. 380 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 381 382 public static final class SharedLibraryEntry { 383 public final String path; 384 public final String apk; 385 386 SharedLibraryEntry(String _path, String _apk) { 387 path = _path; 388 apk = _apk; 389 } 390 } 391 392 // Currently known shared libraries. 393 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 394 new HashMap<String, SharedLibraryEntry>(); 395 396 // All available activities, for your resolving pleasure. 397 final ActivityIntentResolver mActivities = 398 new ActivityIntentResolver(); 399 400 // All available receivers, for your resolving pleasure. 401 final ActivityIntentResolver mReceivers = 402 new ActivityIntentResolver(); 403 404 // All available services, for your resolving pleasure. 405 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 406 407 // All available providers, for your resolving pleasure. 408 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 409 410 // Mapping from provider base names (first directory in content URI codePath) 411 // to the provider information. 412 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 413 new HashMap<String, PackageParser.Provider>(); 414 415 // Mapping from instrumentation class names to info about them. 416 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 417 new HashMap<ComponentName, PackageParser.Instrumentation>(); 418 419 // Mapping from permission names to info about them. 420 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 421 new HashMap<String, PackageParser.PermissionGroup>(); 422 423 // Packages whose data we have transfered into another package, thus 424 // should no longer exist. 425 final HashSet<String> mTransferedPackages = new HashSet<String>(); 426 427 // Broadcast actions that are only available to the system. 428 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 429 430 /** List of packages waiting for verification. */ 431 final SparseArray<PackageVerificationState> mPendingVerification 432 = new SparseArray<PackageVerificationState>(); 433 434 /** Set of packages associated with each app op permission. */ 435 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 436 437 final PackageInstallerService mInstallerService; 438 439 HashSet<PackageParser.Package> mDeferredDexOpt = null; 440 441 // Cache of users who need badging. 442 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 443 444 /** Token for keys in mPendingVerification. */ 445 private int mPendingVerificationToken = 0; 446 447 boolean mSystemReady; 448 boolean mSafeMode; 449 boolean mHasSystemUidErrors; 450 451 ApplicationInfo mAndroidApplication; 452 final ActivityInfo mResolveActivity = new ActivityInfo(); 453 final ResolveInfo mResolveInfo = new ResolveInfo(); 454 ComponentName mResolveComponentName; 455 PackageParser.Package mPlatformPackage; 456 ComponentName mCustomResolverComponentName; 457 458 boolean mResolverReplaced = false; 459 460 // Set of pending broadcasts for aggregating enable/disable of components. 461 static class PendingPackageBroadcasts { 462 // for each user id, a map of <package name -> components within that package> 463 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 464 465 public PendingPackageBroadcasts() { 466 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 467 } 468 469 public ArrayList<String> get(int userId, String packageName) { 470 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 471 return packages.get(packageName); 472 } 473 474 public void put(int userId, String packageName, ArrayList<String> components) { 475 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 476 packages.put(packageName, components); 477 } 478 479 public void remove(int userId, String packageName) { 480 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 481 if (packages != null) { 482 packages.remove(packageName); 483 } 484 } 485 486 public void remove(int userId) { 487 mUidMap.remove(userId); 488 } 489 490 public int userIdCount() { 491 return mUidMap.size(); 492 } 493 494 public int userIdAt(int n) { 495 return mUidMap.keyAt(n); 496 } 497 498 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 499 return mUidMap.get(userId); 500 } 501 502 public int size() { 503 // total number of pending broadcast entries across all userIds 504 int num = 0; 505 for (int i = 0; i< mUidMap.size(); i++) { 506 num += mUidMap.valueAt(i).size(); 507 } 508 return num; 509 } 510 511 public void clear() { 512 mUidMap.clear(); 513 } 514 515 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 516 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 517 if (map == null) { 518 map = new HashMap<String, ArrayList<String>>(); 519 mUidMap.put(userId, map); 520 } 521 return map; 522 } 523 } 524 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 525 526 // Service Connection to remote media container service to copy 527 // package uri's from external media onto secure containers 528 // or internal storage. 529 private IMediaContainerService mContainerService = null; 530 531 static final int SEND_PENDING_BROADCAST = 1; 532 static final int MCS_BOUND = 3; 533 static final int END_COPY = 4; 534 static final int INIT_COPY = 5; 535 static final int MCS_UNBIND = 6; 536 static final int START_CLEANING_PACKAGE = 7; 537 static final int FIND_INSTALL_LOC = 8; 538 static final int POST_INSTALL = 9; 539 static final int MCS_RECONNECT = 10; 540 static final int MCS_GIVE_UP = 11; 541 static final int UPDATED_MEDIA_STATUS = 12; 542 static final int WRITE_SETTINGS = 13; 543 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 544 static final int PACKAGE_VERIFIED = 15; 545 static final int CHECK_PENDING_VERIFICATION = 16; 546 547 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 548 549 // Delay time in millisecs 550 static final int BROADCAST_DELAY = 10 * 1000; 551 552 static UserManagerService sUserManager; 553 554 // Stores a list of users whose package restrictions file needs to be updated 555 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 556 557 final private DefaultContainerConnection mDefContainerConn = 558 new DefaultContainerConnection(); 559 class DefaultContainerConnection implements ServiceConnection { 560 public void onServiceConnected(ComponentName name, IBinder service) { 561 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 562 IMediaContainerService imcs = 563 IMediaContainerService.Stub.asInterface(service); 564 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 565 } 566 567 public void onServiceDisconnected(ComponentName name) { 568 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 569 } 570 }; 571 572 // Recordkeeping of restore-after-install operations that are currently in flight 573 // between the Package Manager and the Backup Manager 574 class PostInstallData { 575 public InstallArgs args; 576 public PackageInstalledInfo res; 577 578 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 579 args = _a; 580 res = _r; 581 } 582 }; 583 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 584 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 585 586 private final String mRequiredVerifierPackage; 587 588 private final PackageUsage mPackageUsage = new PackageUsage(); 589 590 private class PackageUsage { 591 private static final int WRITE_INTERVAL 592 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 593 594 private final Object mFileLock = new Object(); 595 private final AtomicLong mLastWritten = new AtomicLong(0); 596 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 597 598 private boolean mIsHistoricalPackageUsageAvailable = true; 599 600 boolean isHistoricalPackageUsageAvailable() { 601 return mIsHistoricalPackageUsageAvailable; 602 } 603 604 void write(boolean force) { 605 if (force) { 606 writeInternal(); 607 return; 608 } 609 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 610 && !DEBUG_DEXOPT) { 611 return; 612 } 613 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 614 new Thread("PackageUsage_DiskWriter") { 615 @Override 616 public void run() { 617 try { 618 writeInternal(); 619 } finally { 620 mBackgroundWriteRunning.set(false); 621 } 622 } 623 }.start(); 624 } 625 } 626 627 private void writeInternal() { 628 synchronized (mPackages) { 629 synchronized (mFileLock) { 630 AtomicFile file = getFile(); 631 FileOutputStream f = null; 632 try { 633 f = file.startWrite(); 634 BufferedOutputStream out = new BufferedOutputStream(f); 635 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 636 StringBuilder sb = new StringBuilder(); 637 for (PackageParser.Package pkg : mPackages.values()) { 638 if (pkg.mLastPackageUsageTimeInMills == 0) { 639 continue; 640 } 641 sb.setLength(0); 642 sb.append(pkg.packageName); 643 sb.append(' '); 644 sb.append((long)pkg.mLastPackageUsageTimeInMills); 645 sb.append('\n'); 646 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 647 } 648 out.flush(); 649 file.finishWrite(f); 650 } catch (IOException e) { 651 if (f != null) { 652 file.failWrite(f); 653 } 654 Log.e(TAG, "Failed to write package usage times", e); 655 } 656 } 657 } 658 mLastWritten.set(SystemClock.elapsedRealtime()); 659 } 660 661 void readLP() { 662 synchronized (mFileLock) { 663 AtomicFile file = getFile(); 664 BufferedInputStream in = null; 665 try { 666 in = new BufferedInputStream(file.openRead()); 667 StringBuffer sb = new StringBuffer(); 668 while (true) { 669 String packageName = readToken(in, sb, ' '); 670 if (packageName == null) { 671 break; 672 } 673 String timeInMillisString = readToken(in, sb, '\n'); 674 if (timeInMillisString == null) { 675 throw new IOException("Failed to find last usage time for package " 676 + packageName); 677 } 678 PackageParser.Package pkg = mPackages.get(packageName); 679 if (pkg == null) { 680 continue; 681 } 682 long timeInMillis; 683 try { 684 timeInMillis = Long.parseLong(timeInMillisString.toString()); 685 } catch (NumberFormatException e) { 686 throw new IOException("Failed to parse " + timeInMillisString 687 + " as a long.", e); 688 } 689 pkg.mLastPackageUsageTimeInMills = timeInMillis; 690 } 691 } catch (FileNotFoundException expected) { 692 mIsHistoricalPackageUsageAvailable = false; 693 } catch (IOException e) { 694 Log.w(TAG, "Failed to read package usage times", e); 695 } finally { 696 IoUtils.closeQuietly(in); 697 } 698 } 699 mLastWritten.set(SystemClock.elapsedRealtime()); 700 } 701 702 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 703 throws IOException { 704 sb.setLength(0); 705 while (true) { 706 int ch = in.read(); 707 if (ch == -1) { 708 if (sb.length() == 0) { 709 return null; 710 } 711 throw new IOException("Unexpected EOF"); 712 } 713 if (ch == endOfToken) { 714 return sb.toString(); 715 } 716 sb.append((char)ch); 717 } 718 } 719 720 private AtomicFile getFile() { 721 File dataDir = Environment.getDataDirectory(); 722 File systemDir = new File(dataDir, "system"); 723 File fname = new File(systemDir, "package-usage.list"); 724 return new AtomicFile(fname); 725 } 726 } 727 728 class PackageHandler extends Handler { 729 private boolean mBound = false; 730 final ArrayList<HandlerParams> mPendingInstalls = 731 new ArrayList<HandlerParams>(); 732 733 private boolean connectToService() { 734 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 735 " DefaultContainerService"); 736 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 737 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 738 if (mContext.bindServiceAsUser(service, mDefContainerConn, 739 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 740 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 741 mBound = true; 742 return true; 743 } 744 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 745 return false; 746 } 747 748 private void disconnectService() { 749 mContainerService = null; 750 mBound = false; 751 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 752 mContext.unbindService(mDefContainerConn); 753 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 754 } 755 756 PackageHandler(Looper looper) { 757 super(looper); 758 } 759 760 public void handleMessage(Message msg) { 761 try { 762 doHandleMessage(msg); 763 } finally { 764 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 765 } 766 } 767 768 void doHandleMessage(Message msg) { 769 switch (msg.what) { 770 case INIT_COPY: { 771 HandlerParams params = (HandlerParams) msg.obj; 772 int idx = mPendingInstalls.size(); 773 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 774 // If a bind was already initiated we dont really 775 // need to do anything. The pending install 776 // will be processed later on. 777 if (!mBound) { 778 // If this is the only one pending we might 779 // have to bind to the service again. 780 if (!connectToService()) { 781 Slog.e(TAG, "Failed to bind to media container service"); 782 params.serviceError(); 783 return; 784 } else { 785 // Once we bind to the service, the first 786 // pending request will be processed. 787 mPendingInstalls.add(idx, params); 788 } 789 } else { 790 mPendingInstalls.add(idx, params); 791 // Already bound to the service. Just make 792 // sure we trigger off processing the first request. 793 if (idx == 0) { 794 mHandler.sendEmptyMessage(MCS_BOUND); 795 } 796 } 797 break; 798 } 799 case MCS_BOUND: { 800 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 801 if (msg.obj != null) { 802 mContainerService = (IMediaContainerService) msg.obj; 803 } 804 if (mContainerService == null) { 805 // Something seriously wrong. Bail out 806 Slog.e(TAG, "Cannot bind to media container service"); 807 for (HandlerParams params : mPendingInstalls) { 808 // Indicate service bind error 809 params.serviceError(); 810 } 811 mPendingInstalls.clear(); 812 } else if (mPendingInstalls.size() > 0) { 813 HandlerParams params = mPendingInstalls.get(0); 814 if (params != null) { 815 if (params.startCopy()) { 816 // We are done... look for more work or to 817 // go idle. 818 if (DEBUG_SD_INSTALL) Log.i(TAG, 819 "Checking for more work or unbind..."); 820 // Delete pending install 821 if (mPendingInstalls.size() > 0) { 822 mPendingInstalls.remove(0); 823 } 824 if (mPendingInstalls.size() == 0) { 825 if (mBound) { 826 if (DEBUG_SD_INSTALL) Log.i(TAG, 827 "Posting delayed MCS_UNBIND"); 828 removeMessages(MCS_UNBIND); 829 Message ubmsg = obtainMessage(MCS_UNBIND); 830 // Unbind after a little delay, to avoid 831 // continual thrashing. 832 sendMessageDelayed(ubmsg, 10000); 833 } 834 } else { 835 // There are more pending requests in queue. 836 // Just post MCS_BOUND message to trigger processing 837 // of next pending install. 838 if (DEBUG_SD_INSTALL) Log.i(TAG, 839 "Posting MCS_BOUND for next work"); 840 mHandler.sendEmptyMessage(MCS_BOUND); 841 } 842 } 843 } 844 } else { 845 // Should never happen ideally. 846 Slog.w(TAG, "Empty queue"); 847 } 848 break; 849 } 850 case MCS_RECONNECT: { 851 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 852 if (mPendingInstalls.size() > 0) { 853 if (mBound) { 854 disconnectService(); 855 } 856 if (!connectToService()) { 857 Slog.e(TAG, "Failed to bind to media container service"); 858 for (HandlerParams params : mPendingInstalls) { 859 // Indicate service bind error 860 params.serviceError(); 861 } 862 mPendingInstalls.clear(); 863 } 864 } 865 break; 866 } 867 case MCS_UNBIND: { 868 // If there is no actual work left, then time to unbind. 869 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 870 871 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 872 if (mBound) { 873 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 874 875 disconnectService(); 876 } 877 } else if (mPendingInstalls.size() > 0) { 878 // There are more pending requests in queue. 879 // Just post MCS_BOUND message to trigger processing 880 // of next pending install. 881 mHandler.sendEmptyMessage(MCS_BOUND); 882 } 883 884 break; 885 } 886 case MCS_GIVE_UP: { 887 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 888 mPendingInstalls.remove(0); 889 break; 890 } 891 case SEND_PENDING_BROADCAST: { 892 String packages[]; 893 ArrayList<String> components[]; 894 int size = 0; 895 int uids[]; 896 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 897 synchronized (mPackages) { 898 if (mPendingBroadcasts == null) { 899 return; 900 } 901 size = mPendingBroadcasts.size(); 902 if (size <= 0) { 903 // Nothing to be done. Just return 904 return; 905 } 906 packages = new String[size]; 907 components = new ArrayList[size]; 908 uids = new int[size]; 909 int i = 0; // filling out the above arrays 910 911 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 912 int packageUserId = mPendingBroadcasts.userIdAt(n); 913 Iterator<Map.Entry<String, ArrayList<String>>> it 914 = mPendingBroadcasts.packagesForUserId(packageUserId) 915 .entrySet().iterator(); 916 while (it.hasNext() && i < size) { 917 Map.Entry<String, ArrayList<String>> ent = it.next(); 918 packages[i] = ent.getKey(); 919 components[i] = ent.getValue(); 920 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 921 uids[i] = (ps != null) 922 ? UserHandle.getUid(packageUserId, ps.appId) 923 : -1; 924 i++; 925 } 926 } 927 size = i; 928 mPendingBroadcasts.clear(); 929 } 930 // Send broadcasts 931 for (int i = 0; i < size; i++) { 932 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 933 } 934 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 935 break; 936 } 937 case START_CLEANING_PACKAGE: { 938 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 939 final String packageName = (String)msg.obj; 940 final int userId = msg.arg1; 941 final boolean andCode = msg.arg2 != 0; 942 synchronized (mPackages) { 943 if (userId == UserHandle.USER_ALL) { 944 int[] users = sUserManager.getUserIds(); 945 for (int user : users) { 946 mSettings.addPackageToCleanLPw( 947 new PackageCleanItem(user, packageName, andCode)); 948 } 949 } else { 950 mSettings.addPackageToCleanLPw( 951 new PackageCleanItem(userId, packageName, andCode)); 952 } 953 } 954 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 955 startCleaningPackages(); 956 } break; 957 case POST_INSTALL: { 958 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 959 PostInstallData data = mRunningInstalls.get(msg.arg1); 960 mRunningInstalls.delete(msg.arg1); 961 boolean deleteOld = false; 962 963 if (data != null) { 964 InstallArgs args = data.args; 965 PackageInstalledInfo res = data.res; 966 967 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 968 res.removedInfo.sendBroadcast(false, true, false); 969 Bundle extras = new Bundle(1); 970 extras.putInt(Intent.EXTRA_UID, res.uid); 971 // Determine the set of users who are adding this 972 // package for the first time vs. those who are seeing 973 // an update. 974 int[] firstUsers; 975 int[] updateUsers = new int[0]; 976 if (res.origUsers == null || res.origUsers.length == 0) { 977 firstUsers = res.newUsers; 978 } else { 979 firstUsers = new int[0]; 980 for (int i=0; i<res.newUsers.length; i++) { 981 int user = res.newUsers[i]; 982 boolean isNew = true; 983 for (int j=0; j<res.origUsers.length; j++) { 984 if (res.origUsers[j] == user) { 985 isNew = false; 986 break; 987 } 988 } 989 if (isNew) { 990 int[] newFirst = new int[firstUsers.length+1]; 991 System.arraycopy(firstUsers, 0, newFirst, 0, 992 firstUsers.length); 993 newFirst[firstUsers.length] = user; 994 firstUsers = newFirst; 995 } else { 996 int[] newUpdate = new int[updateUsers.length+1]; 997 System.arraycopy(updateUsers, 0, newUpdate, 0, 998 updateUsers.length); 999 newUpdate[updateUsers.length] = user; 1000 updateUsers = newUpdate; 1001 } 1002 } 1003 } 1004 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1005 res.pkg.applicationInfo.packageName, 1006 extras, null, null, firstUsers); 1007 final boolean update = res.removedInfo.removedPackage != null; 1008 if (update) { 1009 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1010 } 1011 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1012 res.pkg.applicationInfo.packageName, 1013 extras, null, null, updateUsers); 1014 if (update) { 1015 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1016 res.pkg.applicationInfo.packageName, 1017 extras, null, null, updateUsers); 1018 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1019 null, null, 1020 res.pkg.applicationInfo.packageName, null, updateUsers); 1021 1022 // treat asec-hosted packages like removable media on upgrade 1023 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1024 if (DEBUG_INSTALL) { 1025 Slog.i(TAG, "upgrading pkg " + res.pkg 1026 + " is ASEC-hosted -> AVAILABLE"); 1027 } 1028 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1029 ArrayList<String> pkgList = new ArrayList<String>(1); 1030 pkgList.add(res.pkg.applicationInfo.packageName); 1031 sendResourcesChangedBroadcast(true, true, 1032 pkgList,uidArray, null); 1033 } 1034 } 1035 if (res.removedInfo.args != null) { 1036 // Remove the replaced package's older resources safely now 1037 deleteOld = true; 1038 } 1039 1040 // Log current value of "unknown sources" setting 1041 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1042 getUnknownSourcesSettings()); 1043 } 1044 // Force a gc to clear up things 1045 Runtime.getRuntime().gc(); 1046 // We delete after a gc for applications on sdcard. 1047 if (deleteOld) { 1048 synchronized (mInstallLock) { 1049 res.removedInfo.args.doPostDeleteLI(true); 1050 } 1051 } 1052 if (args.observer != null) { 1053 try { 1054 Bundle extras = extrasForInstallResult(res); 1055 args.observer.onPackageInstalled(res.name, res.returnCode, 1056 res.returnMsg, extras); 1057 } catch (RemoteException e) { 1058 Slog.i(TAG, "Observer no longer exists."); 1059 } 1060 } 1061 } else { 1062 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1063 } 1064 } break; 1065 case UPDATED_MEDIA_STATUS: { 1066 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1067 boolean reportStatus = msg.arg1 == 1; 1068 boolean doGc = msg.arg2 == 1; 1069 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1070 if (doGc) { 1071 // Force a gc to clear up stale containers. 1072 Runtime.getRuntime().gc(); 1073 } 1074 if (msg.obj != null) { 1075 @SuppressWarnings("unchecked") 1076 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1077 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1078 // Unload containers 1079 unloadAllContainers(args); 1080 } 1081 if (reportStatus) { 1082 try { 1083 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1084 PackageHelper.getMountService().finishMediaUpdate(); 1085 } catch (RemoteException e) { 1086 Log.e(TAG, "MountService not running?"); 1087 } 1088 } 1089 } break; 1090 case WRITE_SETTINGS: { 1091 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1092 synchronized (mPackages) { 1093 removeMessages(WRITE_SETTINGS); 1094 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1095 mSettings.writeLPr(); 1096 mDirtyUsers.clear(); 1097 } 1098 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1099 } break; 1100 case WRITE_PACKAGE_RESTRICTIONS: { 1101 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1102 synchronized (mPackages) { 1103 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1104 for (int userId : mDirtyUsers) { 1105 mSettings.writePackageRestrictionsLPr(userId); 1106 } 1107 mDirtyUsers.clear(); 1108 } 1109 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1110 } break; 1111 case CHECK_PENDING_VERIFICATION: { 1112 final int verificationId = msg.arg1; 1113 final PackageVerificationState state = mPendingVerification.get(verificationId); 1114 1115 if ((state != null) && !state.timeoutExtended()) { 1116 final InstallArgs args = state.getInstallArgs(); 1117 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1118 1119 Slog.i(TAG, "Verification timed out for " + originUri); 1120 mPendingVerification.remove(verificationId); 1121 1122 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1123 1124 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1125 Slog.i(TAG, "Continuing with installation of " + originUri); 1126 state.setVerifierResponse(Binder.getCallingUid(), 1127 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1128 broadcastPackageVerified(verificationId, originUri, 1129 PackageManager.VERIFICATION_ALLOW, 1130 state.getInstallArgs().getUser()); 1131 try { 1132 ret = args.copyApk(mContainerService, true); 1133 } catch (RemoteException e) { 1134 Slog.e(TAG, "Could not contact the ContainerService"); 1135 } 1136 } else { 1137 broadcastPackageVerified(verificationId, originUri, 1138 PackageManager.VERIFICATION_REJECT, 1139 state.getInstallArgs().getUser()); 1140 } 1141 1142 processPendingInstall(args, ret); 1143 mHandler.sendEmptyMessage(MCS_UNBIND); 1144 } 1145 break; 1146 } 1147 case PACKAGE_VERIFIED: { 1148 final int verificationId = msg.arg1; 1149 1150 final PackageVerificationState state = mPendingVerification.get(verificationId); 1151 if (state == null) { 1152 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1153 break; 1154 } 1155 1156 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1157 1158 state.setVerifierResponse(response.callerUid, response.code); 1159 1160 if (state.isVerificationComplete()) { 1161 mPendingVerification.remove(verificationId); 1162 1163 final InstallArgs args = state.getInstallArgs(); 1164 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1165 1166 int ret; 1167 if (state.isInstallAllowed()) { 1168 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1169 broadcastPackageVerified(verificationId, originUri, 1170 response.code, state.getInstallArgs().getUser()); 1171 try { 1172 ret = args.copyApk(mContainerService, true); 1173 } catch (RemoteException e) { 1174 Slog.e(TAG, "Could not contact the ContainerService"); 1175 } 1176 } else { 1177 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1178 } 1179 1180 processPendingInstall(args, ret); 1181 1182 mHandler.sendEmptyMessage(MCS_UNBIND); 1183 } 1184 1185 break; 1186 } 1187 } 1188 } 1189 } 1190 1191 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1192 Bundle extras = null; 1193 switch (res.returnCode) { 1194 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1195 extras = new Bundle(); 1196 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1197 res.origPermission); 1198 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1199 res.origPackage); 1200 break; 1201 } 1202 } 1203 return extras; 1204 } 1205 1206 void scheduleWriteSettingsLocked() { 1207 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1208 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1209 } 1210 } 1211 1212 void scheduleWritePackageRestrictionsLocked(int userId) { 1213 if (!sUserManager.exists(userId)) return; 1214 mDirtyUsers.add(userId); 1215 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1216 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1217 } 1218 } 1219 1220 public static final PackageManagerService main(Context context, Installer installer, 1221 boolean factoryTest, boolean onlyCore) { 1222 PackageManagerService m = new PackageManagerService(context, installer, 1223 factoryTest, onlyCore); 1224 ServiceManager.addService("package", m); 1225 return m; 1226 } 1227 1228 static String[] splitString(String str, char sep) { 1229 int count = 1; 1230 int i = 0; 1231 while ((i=str.indexOf(sep, i)) >= 0) { 1232 count++; 1233 i++; 1234 } 1235 1236 String[] res = new String[count]; 1237 i=0; 1238 count = 0; 1239 int lastI=0; 1240 while ((i=str.indexOf(sep, i)) >= 0) { 1241 res[count] = str.substring(lastI, i); 1242 count++; 1243 i++; 1244 lastI = i; 1245 } 1246 res[count] = str.substring(lastI, str.length()); 1247 return res; 1248 } 1249 1250 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1251 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1252 Context.DISPLAY_SERVICE); 1253 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1254 } 1255 1256 public PackageManagerService(Context context, Installer installer, 1257 boolean factoryTest, boolean onlyCore) { 1258 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1259 SystemClock.uptimeMillis()); 1260 1261 if (mSdkVersion <= 0) { 1262 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1263 } 1264 1265 mContext = context; 1266 mFactoryTest = factoryTest; 1267 mOnlyCore = onlyCore; 1268 mMetrics = new DisplayMetrics(); 1269 mSettings = new Settings(context); 1270 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1271 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1272 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1273 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1274 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1275 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1276 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1277 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1278 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1279 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1280 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1281 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1282 1283 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1284 if (separateProcesses != null && separateProcesses.length() > 0) { 1285 if ("*".equals(separateProcesses)) { 1286 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1287 mSeparateProcesses = null; 1288 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1289 } else { 1290 mDefParseFlags = 0; 1291 mSeparateProcesses = separateProcesses.split(","); 1292 Slog.w(TAG, "Running with debug.separate_processes: " 1293 + separateProcesses); 1294 } 1295 } else { 1296 mDefParseFlags = 0; 1297 mSeparateProcesses = null; 1298 } 1299 1300 mInstaller = installer; 1301 1302 getDefaultDisplayMetrics(context, mMetrics); 1303 1304 SystemConfig systemConfig = SystemConfig.getInstance(); 1305 mGlobalGids = systemConfig.getGlobalGids(); 1306 mSystemPermissions = systemConfig.getSystemPermissions(); 1307 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1308 1309 synchronized (mInstallLock) { 1310 // writer 1311 synchronized (mPackages) { 1312 mHandlerThread = new ServiceThread(TAG, 1313 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1314 mHandlerThread.start(); 1315 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1316 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1317 1318 File dataDir = Environment.getDataDirectory(); 1319 mAppDataDir = new File(dataDir, "data"); 1320 mAppInstallDir = new File(dataDir, "app"); 1321 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1322 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1323 mUserAppDataDir = new File(dataDir, "user"); 1324 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1325 1326 sUserManager = new UserManagerService(context, this, 1327 mInstallLock, mPackages); 1328 1329 // Propagate permission configuration in to package manager. 1330 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1331 = systemConfig.getPermissions(); 1332 for (int i=0; i<permConfig.size(); i++) { 1333 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1334 BasePermission bp = mSettings.mPermissions.get(perm.name); 1335 if (bp == null) { 1336 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1337 mSettings.mPermissions.put(perm.name, bp); 1338 } 1339 if (perm.gids != null) { 1340 bp.gids = appendInts(bp.gids, perm.gids); 1341 } 1342 } 1343 1344 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1345 for (int i=0; i<libConfig.size(); i++) { 1346 mSharedLibraries.put(libConfig.keyAt(i), 1347 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1348 } 1349 1350 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1351 1352 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1353 mSdkVersion, mOnlyCore); 1354 1355 String customResolverActivity = Resources.getSystem().getString( 1356 R.string.config_customResolverActivity); 1357 if (TextUtils.isEmpty(customResolverActivity)) { 1358 customResolverActivity = null; 1359 } else { 1360 mCustomResolverComponentName = ComponentName.unflattenFromString( 1361 customResolverActivity); 1362 } 1363 1364 long startTime = SystemClock.uptimeMillis(); 1365 1366 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1367 startTime); 1368 1369 // Set flag to monitor and not change apk file paths when 1370 // scanning install directories. 1371 int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1372 1373 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1374 1375 /** 1376 * Add everything in the in the boot class path to the 1377 * list of process files because dexopt will have been run 1378 * if necessary during zygote startup. 1379 */ 1380 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1381 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1382 1383 if (bootClassPath != null) { 1384 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1385 for (String element : bootClassPathElements) { 1386 alreadyDexOpted.add(element); 1387 } 1388 } else { 1389 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1390 } 1391 1392 if (systemServerClassPath != null) { 1393 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1394 for (String element : systemServerClassPathElements) { 1395 alreadyDexOpted.add(element); 1396 } 1397 } else { 1398 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1399 } 1400 1401 boolean didDexOptLibraryOrTool = false; 1402 1403 final List<String> allInstructionSets = getAllInstructionSets(); 1404 final String[] dexCodeInstructionSets = 1405 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 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 dexCodeInstructionSet : dexCodeInstructionSets) { 1416 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1417 final String lib = libEntry.path; 1418 if (lib == null) { 1419 continue; 1420 } 1421 1422 try { 1423 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1424 dexCodeInstructionSet, 1425 false); 1426 if (dexoptRequired != DexFile.UP_TO_DATE) { 1427 alreadyDexOpted.add(lib); 1428 1429 // The list of "shared libraries" we have at this point is 1430 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1431 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1432 } else { 1433 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1434 } 1435 didDexOptLibraryOrTool = true; 1436 } 1437 } catch (FileNotFoundException e) { 1438 Slog.w(TAG, "Library not found: " + lib); 1439 } catch (IOException e) { 1440 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1441 + e.getMessage()); 1442 } 1443 } 1444 } 1445 } 1446 1447 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1448 1449 // Gross hack for now: we know this file doesn't contain any 1450 // code, so don't dexopt it to avoid the resulting log spew. 1451 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1452 1453 // Gross hack for now: we know this file is only part of 1454 // the boot class path for art, so don't dexopt it to 1455 // avoid the resulting log spew. 1456 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1457 1458 /** 1459 * And there are a number of commands implemented in Java, which 1460 * we currently need to do the dexopt on so that they can be 1461 * run from a non-root shell. 1462 */ 1463 String[] frameworkFiles = frameworkDir.list(); 1464 if (frameworkFiles != null) { 1465 // TODO: We could compile these only for the most preferred ABI. We should 1466 // first double check that the dex files for these commands are not referenced 1467 // by other system apps. 1468 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1469 for (int i=0; i<frameworkFiles.length; i++) { 1470 File libPath = new File(frameworkDir, frameworkFiles[i]); 1471 String path = libPath.getPath(); 1472 // Skip the file if we already did it. 1473 if (alreadyDexOpted.contains(path)) { 1474 continue; 1475 } 1476 // Skip the file if it is not a type we want to dexopt. 1477 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1478 continue; 1479 } 1480 try { 1481 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1482 dexCodeInstructionSet, 1483 false); 1484 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1485 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1486 didDexOptLibraryOrTool = true; 1487 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1488 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1489 didDexOptLibraryOrTool = true; 1490 } 1491 } catch (FileNotFoundException e) { 1492 Slog.w(TAG, "Jar not found: " + path); 1493 } catch (IOException e) { 1494 Slog.w(TAG, "Exception reading jar: " + path, e); 1495 } 1496 } 1497 } 1498 } 1499 1500 // Collect vendor overlay packages. 1501 // (Do this before scanning any apps.) 1502 // For security and version matching reason, only consider 1503 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1504 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1505 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1506 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1507 1508 // Find base frameworks (resource packages without code). 1509 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1510 | PackageParser.PARSE_IS_SYSTEM_DIR 1511 | PackageParser.PARSE_IS_PRIVILEGED, 1512 scanFlags | SCAN_NO_DEX, 0); 1513 1514 // Collected privileged system packages. 1515 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1516 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1517 | PackageParser.PARSE_IS_SYSTEM_DIR 1518 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1519 1520 // Collect ordinary system packages. 1521 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1522 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1523 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1524 1525 // Collect all vendor packages. 1526 File vendorAppDir = new File("/vendor/app"); 1527 try { 1528 vendorAppDir = vendorAppDir.getCanonicalFile(); 1529 } catch (IOException e) { 1530 // failed to look up canonical path, continue with original one 1531 } 1532 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1533 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1534 1535 // Collect all OEM packages. 1536 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1537 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1538 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1539 1540 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1541 mInstaller.moveFiles(); 1542 1543 // Prune any system packages that no longer exist. 1544 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1545 if (!mOnlyCore) { 1546 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1547 while (psit.hasNext()) { 1548 PackageSetting ps = psit.next(); 1549 1550 /* 1551 * If this is not a system app, it can't be a 1552 * disable system app. 1553 */ 1554 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1555 continue; 1556 } 1557 1558 /* 1559 * If the package is scanned, it's not erased. 1560 */ 1561 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1562 if (scannedPkg != null) { 1563 /* 1564 * If the system app is both scanned and in the 1565 * disabled packages list, then it must have been 1566 * added via OTA. Remove it from the currently 1567 * scanned package so the previously user-installed 1568 * application can be scanned. 1569 */ 1570 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1571 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1572 + "; removing system app"); 1573 removePackageLI(ps, true); 1574 } 1575 1576 continue; 1577 } 1578 1579 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1580 psit.remove(); 1581 String msg = "System package " + ps.name 1582 + " no longer exists; wiping its data"; 1583 reportSettingsProblem(Log.WARN, msg); 1584 removeDataDirsLI(ps.name); 1585 } else { 1586 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1587 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1588 possiblyDeletedUpdatedSystemApps.add(ps.name); 1589 } 1590 } 1591 } 1592 } 1593 1594 //look for any incomplete package installations 1595 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1596 //clean up list 1597 for(int i = 0; i < deletePkgsList.size(); i++) { 1598 //clean up here 1599 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1600 } 1601 //delete tmp files 1602 deleteTempPackageFiles(); 1603 1604 // Remove any shared userIDs that have no associated packages 1605 mSettings.pruneSharedUsersLPw(); 1606 1607 if (!mOnlyCore) { 1608 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1609 SystemClock.uptimeMillis()); 1610 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1611 1612 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1613 scanFlags, 0); 1614 1615 /** 1616 * Remove disable package settings for any updated system 1617 * apps that were removed via an OTA. If they're not a 1618 * previously-updated app, remove them completely. 1619 * Otherwise, just revoke their system-level permissions. 1620 */ 1621 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1622 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1623 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1624 1625 String msg; 1626 if (deletedPkg == null) { 1627 msg = "Updated system package " + deletedAppName 1628 + " no longer exists; wiping its data"; 1629 removeDataDirsLI(deletedAppName); 1630 } else { 1631 msg = "Updated system app + " + deletedAppName 1632 + " no longer present; removing system privileges for " 1633 + deletedAppName; 1634 1635 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1636 1637 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1638 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1639 } 1640 reportSettingsProblem(Log.WARN, msg); 1641 } 1642 } 1643 1644 // Now that we know all of the shared libraries, update all clients to have 1645 // the correct library paths. 1646 updateAllSharedLibrariesLPw(); 1647 1648 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1649 // NOTE: We ignore potential failures here during a system scan (like 1650 // the rest of the commands above) because there's precious little we 1651 // can do about it. A settings error is reported, though. 1652 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1653 false /* force dexopt */, false /* defer dexopt */); 1654 } 1655 1656 // Now that we know all the packages we are keeping, 1657 // read and update their last usage times. 1658 mPackageUsage.readLP(); 1659 1660 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1661 SystemClock.uptimeMillis()); 1662 Slog.i(TAG, "Time to scan packages: " 1663 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1664 + " seconds"); 1665 1666 // If the platform SDK has changed since the last time we booted, 1667 // we need to re-grant app permission to catch any new ones that 1668 // appear. This is really a hack, and means that apps can in some 1669 // cases get permissions that the user didn't initially explicitly 1670 // allow... it would be nice to have some better way to handle 1671 // this situation. 1672 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1673 != mSdkVersion; 1674 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1675 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1676 + "; regranting permissions for internal storage"); 1677 mSettings.mInternalSdkPlatform = mSdkVersion; 1678 1679 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1680 | (regrantPermissions 1681 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1682 : 0)); 1683 1684 // If this is the first boot, and it is a normal boot, then 1685 // we need to initialize the default preferred apps. 1686 if (!mRestoredSettings && !onlyCore) { 1687 mSettings.readDefaultPreferredAppsLPw(this, 0); 1688 } 1689 1690 // If this is first boot after an OTA, and a normal boot, then 1691 // we need to clear code cache directories. 1692 if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) { 1693 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1694 for (String pkgName : mSettings.mPackages.keySet()) { 1695 deleteCodeCacheDirsLI(pkgName); 1696 } 1697 mSettings.mFingerprint = Build.FINGERPRINT; 1698 } 1699 1700 // All the changes are done during package scanning. 1701 mSettings.updateInternalDatabaseVersion(); 1702 1703 // can downgrade to reader 1704 mSettings.writeLPr(); 1705 1706 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1707 SystemClock.uptimeMillis()); 1708 1709 1710 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1711 } // synchronized (mPackages) 1712 } // synchronized (mInstallLock) 1713 1714 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1715 1716 // Now after opening every single application zip, make sure they 1717 // are all flushed. Not really needed, but keeps things nice and 1718 // tidy. 1719 Runtime.getRuntime().gc(); 1720 } 1721 1722 @Override 1723 public boolean isFirstBoot() { 1724 return !mRestoredSettings; 1725 } 1726 1727 @Override 1728 public boolean isOnlyCoreApps() { 1729 return mOnlyCore; 1730 } 1731 1732 private String getRequiredVerifierLPr() { 1733 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1734 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1735 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1736 1737 String requiredVerifier = null; 1738 1739 final int N = receivers.size(); 1740 for (int i = 0; i < N; i++) { 1741 final ResolveInfo info = receivers.get(i); 1742 1743 if (info.activityInfo == null) { 1744 continue; 1745 } 1746 1747 final String packageName = info.activityInfo.packageName; 1748 1749 final PackageSetting ps = mSettings.mPackages.get(packageName); 1750 if (ps == null) { 1751 continue; 1752 } 1753 1754 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1755 if (!gp.grantedPermissions 1756 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1757 continue; 1758 } 1759 1760 if (requiredVerifier != null) { 1761 throw new RuntimeException("There can be only one required verifier"); 1762 } 1763 1764 requiredVerifier = packageName; 1765 } 1766 1767 return requiredVerifier; 1768 } 1769 1770 @Override 1771 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1772 throws RemoteException { 1773 try { 1774 return super.onTransact(code, data, reply, flags); 1775 } catch (RuntimeException e) { 1776 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1777 Slog.wtf(TAG, "Package Manager Crash", e); 1778 } 1779 throw e; 1780 } 1781 } 1782 1783 void cleanupInstallFailedPackage(PackageSetting ps) { 1784 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1785 removeDataDirsLI(ps.name); 1786 1787 // TODO: try cleaning up codePath directory contents first, since it 1788 // might be a cluster 1789 1790 if (ps.codePath != null) { 1791 if (!ps.codePath.delete()) { 1792 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1793 } 1794 } 1795 if (ps.resourcePath != null) { 1796 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1797 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1798 } 1799 } 1800 mSettings.removePackageLPw(ps.name); 1801 } 1802 1803 static int[] appendInts(int[] cur, int[] add) { 1804 if (add == null) return cur; 1805 if (cur == null) return add; 1806 final int N = add.length; 1807 for (int i=0; i<N; i++) { 1808 cur = appendInt(cur, add[i]); 1809 } 1810 return cur; 1811 } 1812 1813 static int[] removeInts(int[] cur, int[] rem) { 1814 if (rem == null) return cur; 1815 if (cur == null) return cur; 1816 final int N = rem.length; 1817 for (int i=0; i<N; i++) { 1818 cur = removeInt(cur, rem[i]); 1819 } 1820 return cur; 1821 } 1822 1823 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1824 if (!sUserManager.exists(userId)) return null; 1825 final PackageSetting ps = (PackageSetting) p.mExtras; 1826 if (ps == null) { 1827 return null; 1828 } 1829 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1830 final PackageUserState state = ps.readUserState(userId); 1831 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1832 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1833 state, userId); 1834 } 1835 1836 @Override 1837 public boolean isPackageAvailable(String packageName, int userId) { 1838 if (!sUserManager.exists(userId)) return false; 1839 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1840 synchronized (mPackages) { 1841 PackageParser.Package p = mPackages.get(packageName); 1842 if (p != null) { 1843 final PackageSetting ps = (PackageSetting) p.mExtras; 1844 if (ps != null) { 1845 final PackageUserState state = ps.readUserState(userId); 1846 if (state != null) { 1847 return PackageParser.isAvailable(state); 1848 } 1849 } 1850 } 1851 } 1852 return false; 1853 } 1854 1855 @Override 1856 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1857 if (!sUserManager.exists(userId)) return null; 1858 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1859 // reader 1860 synchronized (mPackages) { 1861 PackageParser.Package p = mPackages.get(packageName); 1862 if (DEBUG_PACKAGE_INFO) 1863 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1864 if (p != null) { 1865 return generatePackageInfo(p, flags, userId); 1866 } 1867 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1868 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1869 } 1870 } 1871 return null; 1872 } 1873 1874 @Override 1875 public String[] currentToCanonicalPackageNames(String[] names) { 1876 String[] out = new String[names.length]; 1877 // reader 1878 synchronized (mPackages) { 1879 for (int i=names.length-1; i>=0; i--) { 1880 PackageSetting ps = mSettings.mPackages.get(names[i]); 1881 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1882 } 1883 } 1884 return out; 1885 } 1886 1887 @Override 1888 public String[] canonicalToCurrentPackageNames(String[] names) { 1889 String[] out = new String[names.length]; 1890 // reader 1891 synchronized (mPackages) { 1892 for (int i=names.length-1; i>=0; i--) { 1893 String cur = mSettings.mRenamedPackages.get(names[i]); 1894 out[i] = cur != null ? cur : names[i]; 1895 } 1896 } 1897 return out; 1898 } 1899 1900 @Override 1901 public int getPackageUid(String packageName, int userId) { 1902 if (!sUserManager.exists(userId)) return -1; 1903 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1904 // reader 1905 synchronized (mPackages) { 1906 PackageParser.Package p = mPackages.get(packageName); 1907 if(p != null) { 1908 return UserHandle.getUid(userId, p.applicationInfo.uid); 1909 } 1910 PackageSetting ps = mSettings.mPackages.get(packageName); 1911 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1912 return -1; 1913 } 1914 p = ps.pkg; 1915 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1916 } 1917 } 1918 1919 @Override 1920 public int[] getPackageGids(String packageName) { 1921 // reader 1922 synchronized (mPackages) { 1923 PackageParser.Package p = mPackages.get(packageName); 1924 if (DEBUG_PACKAGE_INFO) 1925 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1926 if (p != null) { 1927 final PackageSetting ps = (PackageSetting)p.mExtras; 1928 return ps.getGids(); 1929 } 1930 } 1931 // stupid thing to indicate an error. 1932 return new int[0]; 1933 } 1934 1935 static final PermissionInfo generatePermissionInfo( 1936 BasePermission bp, int flags) { 1937 if (bp.perm != null) { 1938 return PackageParser.generatePermissionInfo(bp.perm, flags); 1939 } 1940 PermissionInfo pi = new PermissionInfo(); 1941 pi.name = bp.name; 1942 pi.packageName = bp.sourcePackage; 1943 pi.nonLocalizedLabel = bp.name; 1944 pi.protectionLevel = bp.protectionLevel; 1945 return pi; 1946 } 1947 1948 @Override 1949 public PermissionInfo getPermissionInfo(String name, int flags) { 1950 // reader 1951 synchronized (mPackages) { 1952 final BasePermission p = mSettings.mPermissions.get(name); 1953 if (p != null) { 1954 return generatePermissionInfo(p, flags); 1955 } 1956 return null; 1957 } 1958 } 1959 1960 @Override 1961 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1962 // reader 1963 synchronized (mPackages) { 1964 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1965 for (BasePermission p : mSettings.mPermissions.values()) { 1966 if (group == null) { 1967 if (p.perm == null || p.perm.info.group == null) { 1968 out.add(generatePermissionInfo(p, flags)); 1969 } 1970 } else { 1971 if (p.perm != null && group.equals(p.perm.info.group)) { 1972 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1973 } 1974 } 1975 } 1976 1977 if (out.size() > 0) { 1978 return out; 1979 } 1980 return mPermissionGroups.containsKey(group) ? out : null; 1981 } 1982 } 1983 1984 @Override 1985 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1986 // reader 1987 synchronized (mPackages) { 1988 return PackageParser.generatePermissionGroupInfo( 1989 mPermissionGroups.get(name), flags); 1990 } 1991 } 1992 1993 @Override 1994 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1995 // reader 1996 synchronized (mPackages) { 1997 final int N = mPermissionGroups.size(); 1998 ArrayList<PermissionGroupInfo> out 1999 = new ArrayList<PermissionGroupInfo>(N); 2000 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2001 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2002 } 2003 return out; 2004 } 2005 } 2006 2007 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2008 int userId) { 2009 if (!sUserManager.exists(userId)) return null; 2010 PackageSetting ps = mSettings.mPackages.get(packageName); 2011 if (ps != null) { 2012 if (ps.pkg == null) { 2013 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2014 flags, userId); 2015 if (pInfo != null) { 2016 return pInfo.applicationInfo; 2017 } 2018 return null; 2019 } 2020 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2021 ps.readUserState(userId), userId); 2022 } 2023 return null; 2024 } 2025 2026 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2027 int userId) { 2028 if (!sUserManager.exists(userId)) return null; 2029 PackageSetting ps = mSettings.mPackages.get(packageName); 2030 if (ps != null) { 2031 PackageParser.Package pkg = ps.pkg; 2032 if (pkg == null) { 2033 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2034 return null; 2035 } 2036 // Only data remains, so we aren't worried about code paths 2037 pkg = new PackageParser.Package(packageName); 2038 pkg.applicationInfo.packageName = packageName; 2039 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2040 pkg.applicationInfo.dataDir = 2041 getDataPathForPackage(packageName, 0).getPath(); 2042 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2043 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2044 } 2045 return generatePackageInfo(pkg, flags, userId); 2046 } 2047 return null; 2048 } 2049 2050 @Override 2051 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2052 if (!sUserManager.exists(userId)) return null; 2053 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2054 // writer 2055 synchronized (mPackages) { 2056 PackageParser.Package p = mPackages.get(packageName); 2057 if (DEBUG_PACKAGE_INFO) Log.v( 2058 TAG, "getApplicationInfo " + packageName 2059 + ": " + p); 2060 if (p != null) { 2061 PackageSetting ps = mSettings.mPackages.get(packageName); 2062 if (ps == null) return null; 2063 // Note: isEnabledLP() does not apply here - always return info 2064 return PackageParser.generateApplicationInfo( 2065 p, flags, ps.readUserState(userId), userId); 2066 } 2067 if ("android".equals(packageName)||"system".equals(packageName)) { 2068 return mAndroidApplication; 2069 } 2070 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2071 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2072 } 2073 } 2074 return null; 2075 } 2076 2077 2078 @Override 2079 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2080 mContext.enforceCallingOrSelfPermission( 2081 android.Manifest.permission.CLEAR_APP_CACHE, null); 2082 // Queue up an async operation since clearing cache may take a little while. 2083 mHandler.post(new Runnable() { 2084 public void run() { 2085 mHandler.removeCallbacks(this); 2086 int retCode = -1; 2087 synchronized (mInstallLock) { 2088 retCode = mInstaller.freeCache(freeStorageSize); 2089 if (retCode < 0) { 2090 Slog.w(TAG, "Couldn't clear application caches"); 2091 } 2092 } 2093 if (observer != null) { 2094 try { 2095 observer.onRemoveCompleted(null, (retCode >= 0)); 2096 } catch (RemoteException e) { 2097 Slog.w(TAG, "RemoveException when invoking call back"); 2098 } 2099 } 2100 } 2101 }); 2102 } 2103 2104 @Override 2105 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2106 mContext.enforceCallingOrSelfPermission( 2107 android.Manifest.permission.CLEAR_APP_CACHE, null); 2108 // Queue up an async operation since clearing cache may take a little while. 2109 mHandler.post(new Runnable() { 2110 public void run() { 2111 mHandler.removeCallbacks(this); 2112 int retCode = -1; 2113 synchronized (mInstallLock) { 2114 retCode = mInstaller.freeCache(freeStorageSize); 2115 if (retCode < 0) { 2116 Slog.w(TAG, "Couldn't clear application caches"); 2117 } 2118 } 2119 if(pi != null) { 2120 try { 2121 // Callback via pending intent 2122 int code = (retCode >= 0) ? 1 : 0; 2123 pi.sendIntent(null, code, null, 2124 null, null); 2125 } catch (SendIntentException e1) { 2126 Slog.i(TAG, "Failed to send pending intent"); 2127 } 2128 } 2129 } 2130 }); 2131 } 2132 2133 void freeStorage(long freeStorageSize) throws IOException { 2134 synchronized (mInstallLock) { 2135 if (mInstaller.freeCache(freeStorageSize) < 0) { 2136 throw new IOException("Failed to free enough space"); 2137 } 2138 } 2139 } 2140 2141 @Override 2142 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2143 if (!sUserManager.exists(userId)) return null; 2144 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2145 synchronized (mPackages) { 2146 PackageParser.Activity a = mActivities.mActivities.get(component); 2147 2148 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2149 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2150 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2151 if (ps == null) return null; 2152 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2153 userId); 2154 } 2155 if (mResolveComponentName.equals(component)) { 2156 return mResolveActivity; 2157 } 2158 } 2159 return null; 2160 } 2161 2162 @Override 2163 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2164 String resolvedType) { 2165 synchronized (mPackages) { 2166 PackageParser.Activity a = mActivities.mActivities.get(component); 2167 if (a == null) { 2168 return false; 2169 } 2170 for (int i=0; i<a.intents.size(); i++) { 2171 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2172 intent.getData(), intent.getCategories(), TAG) >= 0) { 2173 return true; 2174 } 2175 } 2176 return false; 2177 } 2178 } 2179 2180 @Override 2181 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2182 if (!sUserManager.exists(userId)) return null; 2183 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2184 synchronized (mPackages) { 2185 PackageParser.Activity a = mReceivers.mActivities.get(component); 2186 if (DEBUG_PACKAGE_INFO) Log.v( 2187 TAG, "getReceiverInfo " + component + ": " + a); 2188 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2189 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2190 if (ps == null) return null; 2191 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2192 userId); 2193 } 2194 } 2195 return null; 2196 } 2197 2198 @Override 2199 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2200 if (!sUserManager.exists(userId)) return null; 2201 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2202 synchronized (mPackages) { 2203 PackageParser.Service s = mServices.mServices.get(component); 2204 if (DEBUG_PACKAGE_INFO) Log.v( 2205 TAG, "getServiceInfo " + component + ": " + s); 2206 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2207 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2208 if (ps == null) return null; 2209 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2210 userId); 2211 } 2212 } 2213 return null; 2214 } 2215 2216 @Override 2217 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2218 if (!sUserManager.exists(userId)) return null; 2219 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2220 synchronized (mPackages) { 2221 PackageParser.Provider p = mProviders.mProviders.get(component); 2222 if (DEBUG_PACKAGE_INFO) Log.v( 2223 TAG, "getProviderInfo " + component + ": " + p); 2224 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2225 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2226 if (ps == null) return null; 2227 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2228 userId); 2229 } 2230 } 2231 return null; 2232 } 2233 2234 @Override 2235 public String[] getSystemSharedLibraryNames() { 2236 Set<String> libSet; 2237 synchronized (mPackages) { 2238 libSet = mSharedLibraries.keySet(); 2239 int size = libSet.size(); 2240 if (size > 0) { 2241 String[] libs = new String[size]; 2242 libSet.toArray(libs); 2243 return libs; 2244 } 2245 } 2246 return null; 2247 } 2248 2249 @Override 2250 public FeatureInfo[] getSystemAvailableFeatures() { 2251 Collection<FeatureInfo> featSet; 2252 synchronized (mPackages) { 2253 featSet = mAvailableFeatures.values(); 2254 int size = featSet.size(); 2255 if (size > 0) { 2256 FeatureInfo[] features = new FeatureInfo[size+1]; 2257 featSet.toArray(features); 2258 FeatureInfo fi = new FeatureInfo(); 2259 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2260 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2261 features[size] = fi; 2262 return features; 2263 } 2264 } 2265 return null; 2266 } 2267 2268 @Override 2269 public boolean hasSystemFeature(String name) { 2270 synchronized (mPackages) { 2271 return mAvailableFeatures.containsKey(name); 2272 } 2273 } 2274 2275 private void checkValidCaller(int uid, int userId) { 2276 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2277 return; 2278 2279 throw new SecurityException("Caller uid=" + uid 2280 + " is not privileged to communicate with user=" + userId); 2281 } 2282 2283 @Override 2284 public int checkPermission(String permName, String pkgName) { 2285 synchronized (mPackages) { 2286 PackageParser.Package p = mPackages.get(pkgName); 2287 if (p != null && p.mExtras != null) { 2288 PackageSetting ps = (PackageSetting)p.mExtras; 2289 if (ps.sharedUser != null) { 2290 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2291 return PackageManager.PERMISSION_GRANTED; 2292 } 2293 } else if (ps.grantedPermissions.contains(permName)) { 2294 return PackageManager.PERMISSION_GRANTED; 2295 } 2296 } 2297 } 2298 return PackageManager.PERMISSION_DENIED; 2299 } 2300 2301 @Override 2302 public int checkUidPermission(String permName, int uid) { 2303 synchronized (mPackages) { 2304 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2305 if (obj != null) { 2306 GrantedPermissions gp = (GrantedPermissions)obj; 2307 if (gp.grantedPermissions.contains(permName)) { 2308 return PackageManager.PERMISSION_GRANTED; 2309 } 2310 } else { 2311 HashSet<String> perms = mSystemPermissions.get(uid); 2312 if (perms != null && perms.contains(permName)) { 2313 return PackageManager.PERMISSION_GRANTED; 2314 } 2315 } 2316 } 2317 return PackageManager.PERMISSION_DENIED; 2318 } 2319 2320 /** 2321 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2322 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2323 * @param message the message to log on security exception 2324 */ 2325 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2326 String message) { 2327 if (userId < 0) { 2328 throw new IllegalArgumentException("Invalid userId " + userId); 2329 } 2330 if (userId == UserHandle.getUserId(callingUid)) return; 2331 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2332 if (requireFullPermission) { 2333 mContext.enforceCallingOrSelfPermission( 2334 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2335 } else { 2336 try { 2337 mContext.enforceCallingOrSelfPermission( 2338 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2339 } catch (SecurityException se) { 2340 mContext.enforceCallingOrSelfPermission( 2341 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2342 } 2343 } 2344 } 2345 } 2346 2347 private BasePermission findPermissionTreeLP(String permName) { 2348 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2349 if (permName.startsWith(bp.name) && 2350 permName.length() > bp.name.length() && 2351 permName.charAt(bp.name.length()) == '.') { 2352 return bp; 2353 } 2354 } 2355 return null; 2356 } 2357 2358 private BasePermission checkPermissionTreeLP(String permName) { 2359 if (permName != null) { 2360 BasePermission bp = findPermissionTreeLP(permName); 2361 if (bp != null) { 2362 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2363 return bp; 2364 } 2365 throw new SecurityException("Calling uid " 2366 + Binder.getCallingUid() 2367 + " is not allowed to add to permission tree " 2368 + bp.name + " owned by uid " + bp.uid); 2369 } 2370 } 2371 throw new SecurityException("No permission tree found for " + permName); 2372 } 2373 2374 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2375 if (s1 == null) { 2376 return s2 == null; 2377 } 2378 if (s2 == null) { 2379 return false; 2380 } 2381 if (s1.getClass() != s2.getClass()) { 2382 return false; 2383 } 2384 return s1.equals(s2); 2385 } 2386 2387 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2388 if (pi1.icon != pi2.icon) return false; 2389 if (pi1.logo != pi2.logo) return false; 2390 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2391 if (!compareStrings(pi1.name, pi2.name)) return false; 2392 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2393 // We'll take care of setting this one. 2394 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2395 // These are not currently stored in settings. 2396 //if (!compareStrings(pi1.group, pi2.group)) return false; 2397 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2398 //if (pi1.labelRes != pi2.labelRes) return false; 2399 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2400 return true; 2401 } 2402 2403 int permissionInfoFootprint(PermissionInfo info) { 2404 int size = info.name.length(); 2405 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2406 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2407 return size; 2408 } 2409 2410 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2411 int size = 0; 2412 for (BasePermission perm : mSettings.mPermissions.values()) { 2413 if (perm.uid == tree.uid) { 2414 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2415 } 2416 } 2417 return size; 2418 } 2419 2420 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2421 // We calculate the max size of permissions defined by this uid and throw 2422 // if that plus the size of 'info' would exceed our stated maximum. 2423 if (tree.uid != Process.SYSTEM_UID) { 2424 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2425 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2426 throw new SecurityException("Permission tree size cap exceeded"); 2427 } 2428 } 2429 } 2430 2431 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2432 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2433 throw new SecurityException("Label must be specified in permission"); 2434 } 2435 BasePermission tree = checkPermissionTreeLP(info.name); 2436 BasePermission bp = mSettings.mPermissions.get(info.name); 2437 boolean added = bp == null; 2438 boolean changed = true; 2439 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2440 if (added) { 2441 enforcePermissionCapLocked(info, tree); 2442 bp = new BasePermission(info.name, tree.sourcePackage, 2443 BasePermission.TYPE_DYNAMIC); 2444 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2445 throw new SecurityException( 2446 "Not allowed to modify non-dynamic permission " 2447 + info.name); 2448 } else { 2449 if (bp.protectionLevel == fixedLevel 2450 && bp.perm.owner.equals(tree.perm.owner) 2451 && bp.uid == tree.uid 2452 && comparePermissionInfos(bp.perm.info, info)) { 2453 changed = false; 2454 } 2455 } 2456 bp.protectionLevel = fixedLevel; 2457 info = new PermissionInfo(info); 2458 info.protectionLevel = fixedLevel; 2459 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2460 bp.perm.info.packageName = tree.perm.info.packageName; 2461 bp.uid = tree.uid; 2462 if (added) { 2463 mSettings.mPermissions.put(info.name, bp); 2464 } 2465 if (changed) { 2466 if (!async) { 2467 mSettings.writeLPr(); 2468 } else { 2469 scheduleWriteSettingsLocked(); 2470 } 2471 } 2472 return added; 2473 } 2474 2475 @Override 2476 public boolean addPermission(PermissionInfo info) { 2477 synchronized (mPackages) { 2478 return addPermissionLocked(info, false); 2479 } 2480 } 2481 2482 @Override 2483 public boolean addPermissionAsync(PermissionInfo info) { 2484 synchronized (mPackages) { 2485 return addPermissionLocked(info, true); 2486 } 2487 } 2488 2489 @Override 2490 public void removePermission(String name) { 2491 synchronized (mPackages) { 2492 checkPermissionTreeLP(name); 2493 BasePermission bp = mSettings.mPermissions.get(name); 2494 if (bp != null) { 2495 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2496 throw new SecurityException( 2497 "Not allowed to modify non-dynamic permission " 2498 + name); 2499 } 2500 mSettings.mPermissions.remove(name); 2501 mSettings.writeLPr(); 2502 } 2503 } 2504 } 2505 2506 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2507 int index = pkg.requestedPermissions.indexOf(bp.name); 2508 if (index == -1) { 2509 throw new SecurityException("Package " + pkg.packageName 2510 + " has not requested permission " + bp.name); 2511 } 2512 boolean isNormal = 2513 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2514 == PermissionInfo.PROTECTION_NORMAL); 2515 boolean isDangerous = 2516 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2517 == PermissionInfo.PROTECTION_DANGEROUS); 2518 boolean isDevelopment = 2519 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2520 2521 if (!isNormal && !isDangerous && !isDevelopment) { 2522 throw new SecurityException("Permission " + bp.name 2523 + " is not a changeable permission type"); 2524 } 2525 2526 if (isNormal || isDangerous) { 2527 if (pkg.requestedPermissionsRequired.get(index)) { 2528 throw new SecurityException("Can't change " + bp.name 2529 + ". It is required by the application"); 2530 } 2531 } 2532 } 2533 2534 @Override 2535 public void grantPermission(String packageName, String permissionName) { 2536 mContext.enforceCallingOrSelfPermission( 2537 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2538 synchronized (mPackages) { 2539 final PackageParser.Package pkg = mPackages.get(packageName); 2540 if (pkg == null) { 2541 throw new IllegalArgumentException("Unknown package: " + packageName); 2542 } 2543 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2544 if (bp == null) { 2545 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2546 } 2547 2548 checkGrantRevokePermissions(pkg, bp); 2549 2550 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2551 if (ps == null) { 2552 return; 2553 } 2554 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2555 if (gp.grantedPermissions.add(permissionName)) { 2556 if (ps.haveGids) { 2557 gp.gids = appendInts(gp.gids, bp.gids); 2558 } 2559 mSettings.writeLPr(); 2560 } 2561 } 2562 } 2563 2564 @Override 2565 public void revokePermission(String packageName, String permissionName) { 2566 int changedAppId = -1; 2567 2568 synchronized (mPackages) { 2569 final PackageParser.Package pkg = mPackages.get(packageName); 2570 if (pkg == null) { 2571 throw new IllegalArgumentException("Unknown package: " + packageName); 2572 } 2573 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2574 mContext.enforceCallingOrSelfPermission( 2575 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2576 } 2577 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2578 if (bp == null) { 2579 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2580 } 2581 2582 checkGrantRevokePermissions(pkg, bp); 2583 2584 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2585 if (ps == null) { 2586 return; 2587 } 2588 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2589 if (gp.grantedPermissions.remove(permissionName)) { 2590 gp.grantedPermissions.remove(permissionName); 2591 if (ps.haveGids) { 2592 gp.gids = removeInts(gp.gids, bp.gids); 2593 } 2594 mSettings.writeLPr(); 2595 changedAppId = ps.appId; 2596 } 2597 } 2598 2599 if (changedAppId >= 0) { 2600 // We changed the perm on someone, kill its processes. 2601 IActivityManager am = ActivityManagerNative.getDefault(); 2602 if (am != null) { 2603 final int callingUserId = UserHandle.getCallingUserId(); 2604 final long ident = Binder.clearCallingIdentity(); 2605 try { 2606 //XXX we should only revoke for the calling user's app permissions, 2607 // but for now we impact all users. 2608 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2609 // "revoke " + permissionName); 2610 int[] users = sUserManager.getUserIds(); 2611 for (int user : users) { 2612 am.killUid(UserHandle.getUid(user, changedAppId), 2613 "revoke " + permissionName); 2614 } 2615 } catch (RemoteException e) { 2616 } finally { 2617 Binder.restoreCallingIdentity(ident); 2618 } 2619 } 2620 } 2621 } 2622 2623 @Override 2624 public boolean isProtectedBroadcast(String actionName) { 2625 synchronized (mPackages) { 2626 return mProtectedBroadcasts.contains(actionName); 2627 } 2628 } 2629 2630 @Override 2631 public int checkSignatures(String pkg1, String pkg2) { 2632 synchronized (mPackages) { 2633 final PackageParser.Package p1 = mPackages.get(pkg1); 2634 final PackageParser.Package p2 = mPackages.get(pkg2); 2635 if (p1 == null || p1.mExtras == null 2636 || p2 == null || p2.mExtras == null) { 2637 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2638 } 2639 return compareSignatures(p1.mSignatures, p2.mSignatures); 2640 } 2641 } 2642 2643 @Override 2644 public int checkUidSignatures(int uid1, int uid2) { 2645 // Map to base uids. 2646 uid1 = UserHandle.getAppId(uid1); 2647 uid2 = UserHandle.getAppId(uid2); 2648 // reader 2649 synchronized (mPackages) { 2650 Signature[] s1; 2651 Signature[] s2; 2652 Object obj = mSettings.getUserIdLPr(uid1); 2653 if (obj != null) { 2654 if (obj instanceof SharedUserSetting) { 2655 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2656 } else if (obj instanceof PackageSetting) { 2657 s1 = ((PackageSetting)obj).signatures.mSignatures; 2658 } else { 2659 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2660 } 2661 } else { 2662 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2663 } 2664 obj = mSettings.getUserIdLPr(uid2); 2665 if (obj != null) { 2666 if (obj instanceof SharedUserSetting) { 2667 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2668 } else if (obj instanceof PackageSetting) { 2669 s2 = ((PackageSetting)obj).signatures.mSignatures; 2670 } else { 2671 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2672 } 2673 } else { 2674 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2675 } 2676 return compareSignatures(s1, s2); 2677 } 2678 } 2679 2680 /** 2681 * Compares two sets of signatures. Returns: 2682 * <br /> 2683 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2684 * <br /> 2685 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2686 * <br /> 2687 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2688 * <br /> 2689 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2690 * <br /> 2691 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2692 */ 2693 static int compareSignatures(Signature[] s1, Signature[] s2) { 2694 if (s1 == null) { 2695 return s2 == null 2696 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2697 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2698 } 2699 2700 if (s2 == null) { 2701 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2702 } 2703 2704 if (s1.length != s2.length) { 2705 return PackageManager.SIGNATURE_NO_MATCH; 2706 } 2707 2708 // Since both signature sets are of size 1, we can compare without HashSets. 2709 if (s1.length == 1) { 2710 return s1[0].equals(s2[0]) ? 2711 PackageManager.SIGNATURE_MATCH : 2712 PackageManager.SIGNATURE_NO_MATCH; 2713 } 2714 2715 HashSet<Signature> set1 = new HashSet<Signature>(); 2716 for (Signature sig : s1) { 2717 set1.add(sig); 2718 } 2719 HashSet<Signature> set2 = new HashSet<Signature>(); 2720 for (Signature sig : s2) { 2721 set2.add(sig); 2722 } 2723 // Make sure s2 contains all signatures in s1. 2724 if (set1.equals(set2)) { 2725 return PackageManager.SIGNATURE_MATCH; 2726 } 2727 return PackageManager.SIGNATURE_NO_MATCH; 2728 } 2729 2730 /** 2731 * If the database version for this type of package (internal storage or 2732 * external storage) is less than the version where package signatures 2733 * were updated, return true. 2734 */ 2735 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2736 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2737 DatabaseVersion.SIGNATURE_END_ENTITY)) 2738 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2739 DatabaseVersion.SIGNATURE_END_ENTITY)); 2740 } 2741 2742 /** 2743 * Used for backward compatibility to make sure any packages with 2744 * certificate chains get upgraded to the new style. {@code existingSigs} 2745 * will be in the old format (since they were stored on disk from before the 2746 * system upgrade) and {@code scannedSigs} will be in the newer format. 2747 */ 2748 private int compareSignaturesCompat(PackageSignatures existingSigs, 2749 PackageParser.Package scannedPkg) { 2750 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2751 return PackageManager.SIGNATURE_NO_MATCH; 2752 } 2753 2754 HashSet<Signature> existingSet = new HashSet<Signature>(); 2755 for (Signature sig : existingSigs.mSignatures) { 2756 existingSet.add(sig); 2757 } 2758 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2759 for (Signature sig : scannedPkg.mSignatures) { 2760 try { 2761 Signature[] chainSignatures = sig.getChainSignatures(); 2762 for (Signature chainSig : chainSignatures) { 2763 scannedCompatSet.add(chainSig); 2764 } 2765 } catch (CertificateEncodingException e) { 2766 scannedCompatSet.add(sig); 2767 } 2768 } 2769 /* 2770 * Make sure the expanded scanned set contains all signatures in the 2771 * existing one. 2772 */ 2773 if (scannedCompatSet.equals(existingSet)) { 2774 // Migrate the old signatures to the new scheme. 2775 existingSigs.assignSignatures(scannedPkg.mSignatures); 2776 // The new KeySets will be re-added later in the scanning process. 2777 synchronized (mPackages) { 2778 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2779 } 2780 return PackageManager.SIGNATURE_MATCH; 2781 } 2782 return PackageManager.SIGNATURE_NO_MATCH; 2783 } 2784 2785 @Override 2786 public String[] getPackagesForUid(int uid) { 2787 uid = UserHandle.getAppId(uid); 2788 // reader 2789 synchronized (mPackages) { 2790 Object obj = mSettings.getUserIdLPr(uid); 2791 if (obj instanceof SharedUserSetting) { 2792 final SharedUserSetting sus = (SharedUserSetting) obj; 2793 final int N = sus.packages.size(); 2794 final String[] res = new String[N]; 2795 final Iterator<PackageSetting> it = sus.packages.iterator(); 2796 int i = 0; 2797 while (it.hasNext()) { 2798 res[i++] = it.next().name; 2799 } 2800 return res; 2801 } else if (obj instanceof PackageSetting) { 2802 final PackageSetting ps = (PackageSetting) obj; 2803 return new String[] { ps.name }; 2804 } 2805 } 2806 return null; 2807 } 2808 2809 @Override 2810 public String getNameForUid(int uid) { 2811 // reader 2812 synchronized (mPackages) { 2813 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2814 if (obj instanceof SharedUserSetting) { 2815 final SharedUserSetting sus = (SharedUserSetting) obj; 2816 return sus.name + ":" + sus.userId; 2817 } else if (obj instanceof PackageSetting) { 2818 final PackageSetting ps = (PackageSetting) obj; 2819 return ps.name; 2820 } 2821 } 2822 return null; 2823 } 2824 2825 @Override 2826 public int getUidForSharedUser(String sharedUserName) { 2827 if(sharedUserName == null) { 2828 return -1; 2829 } 2830 // reader 2831 synchronized (mPackages) { 2832 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2833 if (suid == null) { 2834 return -1; 2835 } 2836 return suid.userId; 2837 } 2838 } 2839 2840 @Override 2841 public int getFlagsForUid(int uid) { 2842 synchronized (mPackages) { 2843 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2844 if (obj instanceof SharedUserSetting) { 2845 final SharedUserSetting sus = (SharedUserSetting) obj; 2846 return sus.pkgFlags; 2847 } else if (obj instanceof PackageSetting) { 2848 final PackageSetting ps = (PackageSetting) obj; 2849 return ps.pkgFlags; 2850 } 2851 } 2852 return 0; 2853 } 2854 2855 @Override 2856 public String[] getAppOpPermissionPackages(String permissionName) { 2857 synchronized (mPackages) { 2858 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2859 if (pkgs == null) { 2860 return null; 2861 } 2862 return pkgs.toArray(new String[pkgs.size()]); 2863 } 2864 } 2865 2866 @Override 2867 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2868 int flags, int userId) { 2869 if (!sUserManager.exists(userId)) return null; 2870 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2871 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2872 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2873 } 2874 2875 @Override 2876 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2877 IntentFilter filter, int match, ComponentName activity) { 2878 final int userId = UserHandle.getCallingUserId(); 2879 if (DEBUG_PREFERRED) { 2880 Log.v(TAG, "setLastChosenActivity intent=" + intent 2881 + " resolvedType=" + resolvedType 2882 + " flags=" + flags 2883 + " filter=" + filter 2884 + " match=" + match 2885 + " activity=" + activity); 2886 filter.dump(new PrintStreamPrinter(System.out), " "); 2887 } 2888 intent.setComponent(null); 2889 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2890 // Find any earlier preferred or last chosen entries and nuke them 2891 findPreferredActivity(intent, resolvedType, 2892 flags, query, 0, false, true, false, userId); 2893 // Add the new activity as the last chosen for this filter 2894 addPreferredActivityInternal(filter, match, null, activity, false, userId, 2895 "Setting last chosen"); 2896 } 2897 2898 @Override 2899 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2900 final int userId = UserHandle.getCallingUserId(); 2901 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2902 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2903 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2904 false, false, false, userId); 2905 } 2906 2907 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2908 int flags, List<ResolveInfo> query, int userId) { 2909 if (query != null) { 2910 final int N = query.size(); 2911 if (N == 1) { 2912 return query.get(0); 2913 } else if (N > 1) { 2914 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2915 // If there is more than one activity with the same priority, 2916 // then let the user decide between them. 2917 ResolveInfo r0 = query.get(0); 2918 ResolveInfo r1 = query.get(1); 2919 if (DEBUG_INTENT_MATCHING || debug) { 2920 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2921 + r1.activityInfo.name + "=" + r1.priority); 2922 } 2923 // If the first activity has a higher priority, or a different 2924 // default, then it is always desireable to pick it. 2925 if (r0.priority != r1.priority 2926 || r0.preferredOrder != r1.preferredOrder 2927 || r0.isDefault != r1.isDefault) { 2928 return query.get(0); 2929 } 2930 // If we have saved a preference for a preferred activity for 2931 // this Intent, use that. 2932 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2933 flags, query, r0.priority, true, false, debug, userId); 2934 if (ri != null) { 2935 return ri; 2936 } 2937 if (userId != 0) { 2938 ri = new ResolveInfo(mResolveInfo); 2939 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2940 ri.activityInfo.applicationInfo = new ApplicationInfo( 2941 ri.activityInfo.applicationInfo); 2942 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2943 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2944 return ri; 2945 } 2946 return mResolveInfo; 2947 } 2948 } 2949 return null; 2950 } 2951 2952 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2953 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2954 final int N = query.size(); 2955 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2956 .get(userId); 2957 // Get the list of persistent preferred activities that handle the intent 2958 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2959 List<PersistentPreferredActivity> pprefs = ppir != null 2960 ? ppir.queryIntent(intent, resolvedType, 2961 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2962 : null; 2963 if (pprefs != null && pprefs.size() > 0) { 2964 final int M = pprefs.size(); 2965 for (int i=0; i<M; i++) { 2966 final PersistentPreferredActivity ppa = pprefs.get(i); 2967 if (DEBUG_PREFERRED || debug) { 2968 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2969 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2970 + "\n component=" + ppa.mComponent); 2971 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2972 } 2973 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2974 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2975 if (DEBUG_PREFERRED || debug) { 2976 Slog.v(TAG, "Found persistent preferred activity:"); 2977 if (ai != null) { 2978 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2979 } else { 2980 Slog.v(TAG, " null"); 2981 } 2982 } 2983 if (ai == null) { 2984 // This previously registered persistent preferred activity 2985 // component is no longer known. Ignore it and do NOT remove it. 2986 continue; 2987 } 2988 for (int j=0; j<N; j++) { 2989 final ResolveInfo ri = query.get(j); 2990 if (!ri.activityInfo.applicationInfo.packageName 2991 .equals(ai.applicationInfo.packageName)) { 2992 continue; 2993 } 2994 if (!ri.activityInfo.name.equals(ai.name)) { 2995 continue; 2996 } 2997 // Found a persistent preference that can handle the intent. 2998 if (DEBUG_PREFERRED || debug) { 2999 Slog.v(TAG, "Returning persistent preferred activity: " + 3000 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3001 } 3002 return ri; 3003 } 3004 } 3005 } 3006 return null; 3007 } 3008 3009 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3010 List<ResolveInfo> query, int priority, boolean always, 3011 boolean removeMatches, boolean debug, int userId) { 3012 if (!sUserManager.exists(userId)) return null; 3013 // writer 3014 synchronized (mPackages) { 3015 if (intent.getSelector() != null) { 3016 intent = intent.getSelector(); 3017 } 3018 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3019 3020 // Try to find a matching persistent preferred activity. 3021 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3022 debug, userId); 3023 3024 // If a persistent preferred activity matched, use it. 3025 if (pri != null) { 3026 return pri; 3027 } 3028 3029 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3030 // Get the list of preferred activities that handle the intent 3031 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3032 List<PreferredActivity> prefs = pir != null 3033 ? pir.queryIntent(intent, resolvedType, 3034 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3035 : null; 3036 if (prefs != null && prefs.size() > 0) { 3037 // First figure out how good the original match set is. 3038 // We will only allow preferred activities that came 3039 // from the same match quality. 3040 int match = 0; 3041 3042 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3043 3044 final int N = query.size(); 3045 for (int j=0; j<N; j++) { 3046 final ResolveInfo ri = query.get(j); 3047 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3048 + ": 0x" + Integer.toHexString(match)); 3049 if (ri.match > match) { 3050 match = ri.match; 3051 } 3052 } 3053 3054 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3055 + Integer.toHexString(match)); 3056 3057 match &= IntentFilter.MATCH_CATEGORY_MASK; 3058 final int M = prefs.size(); 3059 for (int i=0; i<M; i++) { 3060 final PreferredActivity pa = prefs.get(i); 3061 if (DEBUG_PREFERRED || debug) { 3062 Slog.v(TAG, "Checking PreferredActivity ds=" 3063 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3064 + "\n component=" + pa.mPref.mComponent); 3065 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3066 } 3067 if (pa.mPref.mMatch != match) { 3068 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3069 + Integer.toHexString(pa.mPref.mMatch)); 3070 continue; 3071 } 3072 // If it's not an "always" type preferred activity and that's what we're 3073 // looking for, skip it. 3074 if (always && !pa.mPref.mAlways) { 3075 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3076 continue; 3077 } 3078 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3079 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3080 if (DEBUG_PREFERRED || debug) { 3081 Slog.v(TAG, "Found preferred activity:"); 3082 if (ai != null) { 3083 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3084 } else { 3085 Slog.v(TAG, " null"); 3086 } 3087 } 3088 if (ai == null) { 3089 // This previously registered preferred activity 3090 // component is no longer known. Most likely an update 3091 // to the app was installed and in the new version this 3092 // component no longer exists. Clean it up by removing 3093 // it from the preferred activities list, and skip it. 3094 Slog.w(TAG, "Removing dangling preferred activity: " 3095 + pa.mPref.mComponent); 3096 pir.removeFilter(pa); 3097 continue; 3098 } 3099 for (int j=0; j<N; j++) { 3100 final ResolveInfo ri = query.get(j); 3101 if (!ri.activityInfo.applicationInfo.packageName 3102 .equals(ai.applicationInfo.packageName)) { 3103 continue; 3104 } 3105 if (!ri.activityInfo.name.equals(ai.name)) { 3106 continue; 3107 } 3108 3109 if (removeMatches) { 3110 pir.removeFilter(pa); 3111 if (DEBUG_PREFERRED) { 3112 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3113 } 3114 break; 3115 } 3116 3117 // Okay we found a previously set preferred or last chosen app. 3118 // If the result set is different from when this 3119 // was created, we need to clear it and re-ask the 3120 // user their preference, if we're looking for an "always" type entry. 3121 if (always && !pa.mPref.sameSet(query, priority)) { 3122 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3123 + intent + " type " + resolvedType); 3124 if (DEBUG_PREFERRED) { 3125 Slog.v(TAG, "Removing preferred activity since set changed " 3126 + pa.mPref.mComponent); 3127 } 3128 pir.removeFilter(pa); 3129 // Re-add the filter as a "last chosen" entry (!always) 3130 PreferredActivity lastChosen = new PreferredActivity( 3131 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3132 pir.addFilter(lastChosen); 3133 mSettings.writePackageRestrictionsLPr(userId); 3134 return null; 3135 } 3136 3137 // Yay! Either the set matched or we're looking for the last chosen 3138 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3139 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3140 mSettings.writePackageRestrictionsLPr(userId); 3141 return ri; 3142 } 3143 } 3144 } 3145 mSettings.writePackageRestrictionsLPr(userId); 3146 } 3147 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3148 return null; 3149 } 3150 3151 /* 3152 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3153 */ 3154 @Override 3155 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3156 int targetUserId) { 3157 mContext.enforceCallingOrSelfPermission( 3158 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3159 List<CrossProfileIntentFilter> matches = 3160 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3161 if (matches != null) { 3162 int size = matches.size(); 3163 for (int i = 0; i < size; i++) { 3164 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3165 } 3166 } 3167 ArrayList<String> packageNames = null; 3168 SparseArray<ArrayList<String>> fromSource = 3169 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3170 if (fromSource != null) { 3171 packageNames = fromSource.get(targetUserId); 3172 if (packageNames != null) { 3173 // We need the package name, so we try to resolve with the loosest flags possible 3174 List<ResolveInfo> resolveInfos = mActivities.queryIntent(intent, resolvedType, 3175 PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3176 int count = resolveInfos.size(); 3177 for (int i = 0; i < count; i++) { 3178 ResolveInfo resolveInfo = resolveInfos.get(i); 3179 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3180 return true; 3181 } 3182 } 3183 } 3184 } 3185 return false; 3186 } 3187 3188 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3189 String resolvedType, int userId) { 3190 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3191 if (resolver != null) { 3192 return resolver.queryIntent(intent, resolvedType, false, userId); 3193 } 3194 return null; 3195 } 3196 3197 @Override 3198 public List<ResolveInfo> queryIntentActivities(Intent intent, 3199 String resolvedType, int flags, int userId) { 3200 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3201 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3202 ComponentName comp = intent.getComponent(); 3203 if (comp == null) { 3204 if (intent.getSelector() != null) { 3205 intent = intent.getSelector(); 3206 comp = intent.getComponent(); 3207 } 3208 } 3209 3210 if (comp != null) { 3211 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3212 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3213 if (ai != null) { 3214 final ResolveInfo ri = new ResolveInfo(); 3215 ri.activityInfo = ai; 3216 list.add(ri); 3217 } 3218 return list; 3219 } 3220 3221 // reader 3222 synchronized (mPackages) { 3223 final String pkgName = intent.getPackage(); 3224 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3225 if (pkgName == null) { 3226 ResolveInfo resolveInfo = null; 3227 if (queryCrossProfile) { 3228 // Check if the intent needs to be forwarded to another user for this package 3229 ArrayList<ResolveInfo> crossProfileResult = 3230 queryIntentActivitiesCrossProfilePackage( 3231 intent, resolvedType, flags, userId); 3232 if (!crossProfileResult.isEmpty()) { 3233 // Skip the current profile 3234 return crossProfileResult; 3235 } 3236 List<CrossProfileIntentFilter> matchingFilters = 3237 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3238 // Check for results that need to skip the current profile. 3239 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3240 resolvedType, flags, userId); 3241 if (resolveInfo != null) { 3242 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3243 result.add(resolveInfo); 3244 return result; 3245 } 3246 // Check for cross profile results. 3247 resolveInfo = queryCrossProfileIntents( 3248 matchingFilters, intent, resolvedType, flags, userId); 3249 } 3250 // Check for results in the current profile. 3251 List<ResolveInfo> result = mActivities.queryIntent( 3252 intent, resolvedType, flags, userId); 3253 if (resolveInfo != null) { 3254 result.add(resolveInfo); 3255 Collections.sort(result, mResolvePrioritySorter); 3256 } 3257 return result; 3258 } 3259 final PackageParser.Package pkg = mPackages.get(pkgName); 3260 if (pkg != null) { 3261 if (queryCrossProfile) { 3262 ArrayList<ResolveInfo> crossProfileResult = 3263 queryIntentActivitiesCrossProfilePackage( 3264 intent, resolvedType, flags, userId, pkg, pkgName); 3265 if (!crossProfileResult.isEmpty()) { 3266 // Skip the current profile 3267 return crossProfileResult; 3268 } 3269 } 3270 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3271 pkg.activities, userId); 3272 } 3273 return new ArrayList<ResolveInfo>(); 3274 } 3275 } 3276 3277 private ResolveInfo querySkipCurrentProfileIntents( 3278 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3279 int flags, int sourceUserId) { 3280 if (matchingFilters != null) { 3281 int size = matchingFilters.size(); 3282 for (int i = 0; i < size; i ++) { 3283 CrossProfileIntentFilter filter = matchingFilters.get(i); 3284 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3285 // Checking if there are activities in the target user that can handle the 3286 // intent. 3287 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3288 flags, sourceUserId); 3289 if (resolveInfo != null) { 3290 return resolveInfo; 3291 } 3292 } 3293 } 3294 } 3295 return null; 3296 } 3297 3298 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3299 Intent intent, String resolvedType, int flags, int userId) { 3300 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3301 SparseArray<ArrayList<String>> sourceForwardingInfo = 3302 mSettings.mCrossProfilePackageInfo.get(userId); 3303 if (sourceForwardingInfo != null) { 3304 int NI = sourceForwardingInfo.size(); 3305 for (int i = 0; i < NI; i++) { 3306 int targetUserId = sourceForwardingInfo.keyAt(i); 3307 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3308 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3309 intent, resolvedType, flags, targetUserId); 3310 int NJ = resolveInfos.size(); 3311 for (int j = 0; j < NJ; j++) { 3312 ResolveInfo resolveInfo = resolveInfos.get(j); 3313 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3314 matchingResolveInfos.add(createForwardingResolveInfo( 3315 resolveInfo.filter, userId, targetUserId)); 3316 } 3317 } 3318 } 3319 } 3320 return matchingResolveInfos; 3321 } 3322 3323 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3324 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3325 String packageName) { 3326 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3327 SparseArray<ArrayList<String>> sourceForwardingInfo = 3328 mSettings.mCrossProfilePackageInfo.get(userId); 3329 if (sourceForwardingInfo != null) { 3330 int NI = sourceForwardingInfo.size(); 3331 for (int i = 0; i < NI; i++) { 3332 int targetUserId = sourceForwardingInfo.keyAt(i); 3333 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3334 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3335 intent, resolvedType, flags, pkg.activities, targetUserId); 3336 int NJ = resolveInfos.size(); 3337 for (int j = 0; j < NJ; j++) { 3338 ResolveInfo resolveInfo = resolveInfos.get(j); 3339 matchingResolveInfos.add(createForwardingResolveInfo( 3340 resolveInfo.filter, userId, targetUserId)); 3341 } 3342 } 3343 } 3344 } 3345 return matchingResolveInfos; 3346 } 3347 3348 // Return matching ResolveInfo if any for skip current profile intent filters. 3349 private ResolveInfo queryCrossProfileIntents( 3350 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3351 int flags, int sourceUserId) { 3352 if (matchingFilters != null) { 3353 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3354 // match the same intent. For performance reasons, it is better not to 3355 // run queryIntent twice for the same userId 3356 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3357 int size = matchingFilters.size(); 3358 for (int i = 0; i < size; i++) { 3359 CrossProfileIntentFilter filter = matchingFilters.get(i); 3360 int targetUserId = filter.getTargetUserId(); 3361 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3362 && !alreadyTriedUserIds.get(targetUserId)) { 3363 // Checking if there are activities in the target user that can handle the 3364 // intent. 3365 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3366 flags, sourceUserId); 3367 if (resolveInfo != null) return resolveInfo; 3368 alreadyTriedUserIds.put(targetUserId, true); 3369 } 3370 } 3371 } 3372 return null; 3373 } 3374 3375 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3376 String resolvedType, int flags, int sourceUserId) { 3377 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3378 resolvedType, flags, filter.getTargetUserId()); 3379 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3380 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3381 } 3382 return null; 3383 } 3384 3385 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3386 int sourceUserId, int targetUserId) { 3387 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3388 String className; 3389 if (targetUserId == UserHandle.USER_OWNER) { 3390 className = FORWARD_INTENT_TO_USER_OWNER; 3391 } else { 3392 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3393 } 3394 ComponentName forwardingActivityComponentName = new ComponentName( 3395 mAndroidApplication.packageName, className); 3396 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3397 sourceUserId); 3398 if (targetUserId == UserHandle.USER_OWNER) { 3399 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3400 forwardingResolveInfo.noResourceId = true; 3401 } 3402 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3403 forwardingResolveInfo.priority = 0; 3404 forwardingResolveInfo.preferredOrder = 0; 3405 forwardingResolveInfo.match = 0; 3406 forwardingResolveInfo.isDefault = true; 3407 forwardingResolveInfo.filter = filter; 3408 forwardingResolveInfo.targetUserId = targetUserId; 3409 return forwardingResolveInfo; 3410 } 3411 3412 @Override 3413 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3414 Intent[] specifics, String[] specificTypes, Intent intent, 3415 String resolvedType, int flags, int userId) { 3416 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3417 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3418 "query intent activity options"); 3419 final String resultsAction = intent.getAction(); 3420 3421 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3422 | PackageManager.GET_RESOLVED_FILTER, userId); 3423 3424 if (DEBUG_INTENT_MATCHING) { 3425 Log.v(TAG, "Query " + intent + ": " + results); 3426 } 3427 3428 int specificsPos = 0; 3429 int N; 3430 3431 // todo: note that the algorithm used here is O(N^2). This 3432 // isn't a problem in our current environment, but if we start running 3433 // into situations where we have more than 5 or 10 matches then this 3434 // should probably be changed to something smarter... 3435 3436 // First we go through and resolve each of the specific items 3437 // that were supplied, taking care of removing any corresponding 3438 // duplicate items in the generic resolve list. 3439 if (specifics != null) { 3440 for (int i=0; i<specifics.length; i++) { 3441 final Intent sintent = specifics[i]; 3442 if (sintent == null) { 3443 continue; 3444 } 3445 3446 if (DEBUG_INTENT_MATCHING) { 3447 Log.v(TAG, "Specific #" + i + ": " + sintent); 3448 } 3449 3450 String action = sintent.getAction(); 3451 if (resultsAction != null && resultsAction.equals(action)) { 3452 // If this action was explicitly requested, then don't 3453 // remove things that have it. 3454 action = null; 3455 } 3456 3457 ResolveInfo ri = null; 3458 ActivityInfo ai = null; 3459 3460 ComponentName comp = sintent.getComponent(); 3461 if (comp == null) { 3462 ri = resolveIntent( 3463 sintent, 3464 specificTypes != null ? specificTypes[i] : null, 3465 flags, userId); 3466 if (ri == null) { 3467 continue; 3468 } 3469 if (ri == mResolveInfo) { 3470 // ACK! Must do something better with this. 3471 } 3472 ai = ri.activityInfo; 3473 comp = new ComponentName(ai.applicationInfo.packageName, 3474 ai.name); 3475 } else { 3476 ai = getActivityInfo(comp, flags, userId); 3477 if (ai == null) { 3478 continue; 3479 } 3480 } 3481 3482 // Look for any generic query activities that are duplicates 3483 // of this specific one, and remove them from the results. 3484 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3485 N = results.size(); 3486 int j; 3487 for (j=specificsPos; j<N; j++) { 3488 ResolveInfo sri = results.get(j); 3489 if ((sri.activityInfo.name.equals(comp.getClassName()) 3490 && sri.activityInfo.applicationInfo.packageName.equals( 3491 comp.getPackageName())) 3492 || (action != null && sri.filter.matchAction(action))) { 3493 results.remove(j); 3494 if (DEBUG_INTENT_MATCHING) Log.v( 3495 TAG, "Removing duplicate item from " + j 3496 + " due to specific " + specificsPos); 3497 if (ri == null) { 3498 ri = sri; 3499 } 3500 j--; 3501 N--; 3502 } 3503 } 3504 3505 // Add this specific item to its proper place. 3506 if (ri == null) { 3507 ri = new ResolveInfo(); 3508 ri.activityInfo = ai; 3509 } 3510 results.add(specificsPos, ri); 3511 ri.specificIndex = i; 3512 specificsPos++; 3513 } 3514 } 3515 3516 // Now we go through the remaining generic results and remove any 3517 // duplicate actions that are found here. 3518 N = results.size(); 3519 for (int i=specificsPos; i<N-1; i++) { 3520 final ResolveInfo rii = results.get(i); 3521 if (rii.filter == null) { 3522 continue; 3523 } 3524 3525 // Iterate over all of the actions of this result's intent 3526 // filter... typically this should be just one. 3527 final Iterator<String> it = rii.filter.actionsIterator(); 3528 if (it == null) { 3529 continue; 3530 } 3531 while (it.hasNext()) { 3532 final String action = it.next(); 3533 if (resultsAction != null && resultsAction.equals(action)) { 3534 // If this action was explicitly requested, then don't 3535 // remove things that have it. 3536 continue; 3537 } 3538 for (int j=i+1; j<N; j++) { 3539 final ResolveInfo rij = results.get(j); 3540 if (rij.filter != null && rij.filter.hasAction(action)) { 3541 results.remove(j); 3542 if (DEBUG_INTENT_MATCHING) Log.v( 3543 TAG, "Removing duplicate item from " + j 3544 + " due to action " + action + " at " + i); 3545 j--; 3546 N--; 3547 } 3548 } 3549 } 3550 3551 // If the caller didn't request filter information, drop it now 3552 // so we don't have to marshall/unmarshall it. 3553 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3554 rii.filter = null; 3555 } 3556 } 3557 3558 // Filter out the caller activity if so requested. 3559 if (caller != null) { 3560 N = results.size(); 3561 for (int i=0; i<N; i++) { 3562 ActivityInfo ainfo = results.get(i).activityInfo; 3563 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3564 && caller.getClassName().equals(ainfo.name)) { 3565 results.remove(i); 3566 break; 3567 } 3568 } 3569 } 3570 3571 // If the caller didn't request filter information, 3572 // drop them now so we don't have to 3573 // marshall/unmarshall it. 3574 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3575 N = results.size(); 3576 for (int i=0; i<N; i++) { 3577 results.get(i).filter = null; 3578 } 3579 } 3580 3581 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3582 return results; 3583 } 3584 3585 @Override 3586 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3587 int userId) { 3588 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3589 ComponentName comp = intent.getComponent(); 3590 if (comp == null) { 3591 if (intent.getSelector() != null) { 3592 intent = intent.getSelector(); 3593 comp = intent.getComponent(); 3594 } 3595 } 3596 if (comp != null) { 3597 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3598 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3599 if (ai != null) { 3600 ResolveInfo ri = new ResolveInfo(); 3601 ri.activityInfo = ai; 3602 list.add(ri); 3603 } 3604 return list; 3605 } 3606 3607 // reader 3608 synchronized (mPackages) { 3609 String pkgName = intent.getPackage(); 3610 if (pkgName == null) { 3611 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3612 } 3613 final PackageParser.Package pkg = mPackages.get(pkgName); 3614 if (pkg != null) { 3615 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3616 userId); 3617 } 3618 return null; 3619 } 3620 } 3621 3622 @Override 3623 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3624 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3625 if (!sUserManager.exists(userId)) return null; 3626 if (query != null) { 3627 if (query.size() >= 1) { 3628 // If there is more than one service with the same priority, 3629 // just arbitrarily pick the first one. 3630 return query.get(0); 3631 } 3632 } 3633 return null; 3634 } 3635 3636 @Override 3637 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3638 int userId) { 3639 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3640 ComponentName comp = intent.getComponent(); 3641 if (comp == null) { 3642 if (intent.getSelector() != null) { 3643 intent = intent.getSelector(); 3644 comp = intent.getComponent(); 3645 } 3646 } 3647 if (comp != null) { 3648 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3649 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3650 if (si != null) { 3651 final ResolveInfo ri = new ResolveInfo(); 3652 ri.serviceInfo = si; 3653 list.add(ri); 3654 } 3655 return list; 3656 } 3657 3658 // reader 3659 synchronized (mPackages) { 3660 String pkgName = intent.getPackage(); 3661 if (pkgName == null) { 3662 return mServices.queryIntent(intent, resolvedType, flags, userId); 3663 } 3664 final PackageParser.Package pkg = mPackages.get(pkgName); 3665 if (pkg != null) { 3666 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3667 userId); 3668 } 3669 return null; 3670 } 3671 } 3672 3673 @Override 3674 public List<ResolveInfo> queryIntentContentProviders( 3675 Intent intent, String resolvedType, int flags, int userId) { 3676 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3677 ComponentName comp = intent.getComponent(); 3678 if (comp == null) { 3679 if (intent.getSelector() != null) { 3680 intent = intent.getSelector(); 3681 comp = intent.getComponent(); 3682 } 3683 } 3684 if (comp != null) { 3685 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3686 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3687 if (pi != null) { 3688 final ResolveInfo ri = new ResolveInfo(); 3689 ri.providerInfo = pi; 3690 list.add(ri); 3691 } 3692 return list; 3693 } 3694 3695 // reader 3696 synchronized (mPackages) { 3697 String pkgName = intent.getPackage(); 3698 if (pkgName == null) { 3699 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3700 } 3701 final PackageParser.Package pkg = mPackages.get(pkgName); 3702 if (pkg != null) { 3703 return mProviders.queryIntentForPackage( 3704 intent, resolvedType, flags, pkg.providers, userId); 3705 } 3706 return null; 3707 } 3708 } 3709 3710 @Override 3711 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3712 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3713 3714 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3715 3716 // writer 3717 synchronized (mPackages) { 3718 ArrayList<PackageInfo> list; 3719 if (listUninstalled) { 3720 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3721 for (PackageSetting ps : mSettings.mPackages.values()) { 3722 PackageInfo pi; 3723 if (ps.pkg != null) { 3724 pi = generatePackageInfo(ps.pkg, flags, userId); 3725 } else { 3726 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3727 } 3728 if (pi != null) { 3729 list.add(pi); 3730 } 3731 } 3732 } else { 3733 list = new ArrayList<PackageInfo>(mPackages.size()); 3734 for (PackageParser.Package p : mPackages.values()) { 3735 PackageInfo pi = generatePackageInfo(p, flags, userId); 3736 if (pi != null) { 3737 list.add(pi); 3738 } 3739 } 3740 } 3741 3742 return new ParceledListSlice<PackageInfo>(list); 3743 } 3744 } 3745 3746 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3747 String[] permissions, boolean[] tmp, int flags, int userId) { 3748 int numMatch = 0; 3749 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3750 for (int i=0; i<permissions.length; i++) { 3751 if (gp.grantedPermissions.contains(permissions[i])) { 3752 tmp[i] = true; 3753 numMatch++; 3754 } else { 3755 tmp[i] = false; 3756 } 3757 } 3758 if (numMatch == 0) { 3759 return; 3760 } 3761 PackageInfo pi; 3762 if (ps.pkg != null) { 3763 pi = generatePackageInfo(ps.pkg, flags, userId); 3764 } else { 3765 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3766 } 3767 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3768 if (numMatch == permissions.length) { 3769 pi.requestedPermissions = permissions; 3770 } else { 3771 pi.requestedPermissions = new String[numMatch]; 3772 numMatch = 0; 3773 for (int i=0; i<permissions.length; i++) { 3774 if (tmp[i]) { 3775 pi.requestedPermissions[numMatch] = permissions[i]; 3776 numMatch++; 3777 } 3778 } 3779 } 3780 } 3781 list.add(pi); 3782 } 3783 3784 @Override 3785 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3786 String[] permissions, int flags, int userId) { 3787 if (!sUserManager.exists(userId)) return null; 3788 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3789 3790 // writer 3791 synchronized (mPackages) { 3792 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3793 boolean[] tmpBools = new boolean[permissions.length]; 3794 if (listUninstalled) { 3795 for (PackageSetting ps : mSettings.mPackages.values()) { 3796 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3797 } 3798 } else { 3799 for (PackageParser.Package pkg : mPackages.values()) { 3800 PackageSetting ps = (PackageSetting)pkg.mExtras; 3801 if (ps != null) { 3802 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3803 userId); 3804 } 3805 } 3806 } 3807 3808 return new ParceledListSlice<PackageInfo>(list); 3809 } 3810 } 3811 3812 @Override 3813 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3814 if (!sUserManager.exists(userId)) return null; 3815 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3816 3817 // writer 3818 synchronized (mPackages) { 3819 ArrayList<ApplicationInfo> list; 3820 if (listUninstalled) { 3821 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3822 for (PackageSetting ps : mSettings.mPackages.values()) { 3823 ApplicationInfo ai; 3824 if (ps.pkg != null) { 3825 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3826 ps.readUserState(userId), userId); 3827 } else { 3828 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3829 } 3830 if (ai != null) { 3831 list.add(ai); 3832 } 3833 } 3834 } else { 3835 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3836 for (PackageParser.Package p : mPackages.values()) { 3837 if (p.mExtras != null) { 3838 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3839 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3840 if (ai != null) { 3841 list.add(ai); 3842 } 3843 } 3844 } 3845 } 3846 3847 return new ParceledListSlice<ApplicationInfo>(list); 3848 } 3849 } 3850 3851 public List<ApplicationInfo> getPersistentApplications(int flags) { 3852 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3853 3854 // reader 3855 synchronized (mPackages) { 3856 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3857 final int userId = UserHandle.getCallingUserId(); 3858 while (i.hasNext()) { 3859 final PackageParser.Package p = i.next(); 3860 if (p.applicationInfo != null 3861 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3862 && (!mSafeMode || isSystemApp(p))) { 3863 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3864 if (ps != null) { 3865 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3866 ps.readUserState(userId), userId); 3867 if (ai != null) { 3868 finalList.add(ai); 3869 } 3870 } 3871 } 3872 } 3873 } 3874 3875 return finalList; 3876 } 3877 3878 @Override 3879 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3880 if (!sUserManager.exists(userId)) return null; 3881 // reader 3882 synchronized (mPackages) { 3883 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3884 PackageSetting ps = provider != null 3885 ? mSettings.mPackages.get(provider.owner.packageName) 3886 : null; 3887 return ps != null 3888 && mSettings.isEnabledLPr(provider.info, flags, userId) 3889 && (!mSafeMode || (provider.info.applicationInfo.flags 3890 &ApplicationInfo.FLAG_SYSTEM) != 0) 3891 ? PackageParser.generateProviderInfo(provider, flags, 3892 ps.readUserState(userId), userId) 3893 : null; 3894 } 3895 } 3896 3897 /** 3898 * @deprecated 3899 */ 3900 @Deprecated 3901 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3902 // reader 3903 synchronized (mPackages) { 3904 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3905 .entrySet().iterator(); 3906 final int userId = UserHandle.getCallingUserId(); 3907 while (i.hasNext()) { 3908 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3909 PackageParser.Provider p = entry.getValue(); 3910 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3911 3912 if (ps != null && p.syncable 3913 && (!mSafeMode || (p.info.applicationInfo.flags 3914 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3915 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3916 ps.readUserState(userId), userId); 3917 if (info != null) { 3918 outNames.add(entry.getKey()); 3919 outInfo.add(info); 3920 } 3921 } 3922 } 3923 } 3924 } 3925 3926 @Override 3927 public List<ProviderInfo> queryContentProviders(String processName, 3928 int uid, int flags) { 3929 ArrayList<ProviderInfo> finalList = null; 3930 // reader 3931 synchronized (mPackages) { 3932 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3933 final int userId = processName != null ? 3934 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3935 while (i.hasNext()) { 3936 final PackageParser.Provider p = i.next(); 3937 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3938 if (ps != null && p.info.authority != null 3939 && (processName == null 3940 || (p.info.processName.equals(processName) 3941 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3942 && mSettings.isEnabledLPr(p.info, flags, userId) 3943 && (!mSafeMode 3944 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3945 if (finalList == null) { 3946 finalList = new ArrayList<ProviderInfo>(3); 3947 } 3948 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3949 ps.readUserState(userId), userId); 3950 if (info != null) { 3951 finalList.add(info); 3952 } 3953 } 3954 } 3955 } 3956 3957 if (finalList != null) { 3958 Collections.sort(finalList, mProviderInitOrderSorter); 3959 } 3960 3961 return finalList; 3962 } 3963 3964 @Override 3965 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3966 int flags) { 3967 // reader 3968 synchronized (mPackages) { 3969 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3970 return PackageParser.generateInstrumentationInfo(i, flags); 3971 } 3972 } 3973 3974 @Override 3975 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3976 int flags) { 3977 ArrayList<InstrumentationInfo> finalList = 3978 new ArrayList<InstrumentationInfo>(); 3979 3980 // reader 3981 synchronized (mPackages) { 3982 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3983 while (i.hasNext()) { 3984 final PackageParser.Instrumentation p = i.next(); 3985 if (targetPackage == null 3986 || targetPackage.equals(p.info.targetPackage)) { 3987 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3988 flags); 3989 if (ii != null) { 3990 finalList.add(ii); 3991 } 3992 } 3993 } 3994 } 3995 3996 return finalList; 3997 } 3998 3999 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4000 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4001 if (overlays == null) { 4002 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4003 return; 4004 } 4005 for (PackageParser.Package opkg : overlays.values()) { 4006 // Not much to do if idmap fails: we already logged the error 4007 // and we certainly don't want to abort installation of pkg simply 4008 // because an overlay didn't fit properly. For these reasons, 4009 // ignore the return value of createIdmapForPackagePairLI. 4010 createIdmapForPackagePairLI(pkg, opkg); 4011 } 4012 } 4013 4014 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4015 PackageParser.Package opkg) { 4016 if (!opkg.mTrustedOverlay) { 4017 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4018 opkg.baseCodePath + ": overlay not trusted"); 4019 return false; 4020 } 4021 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4022 if (overlaySet == null) { 4023 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4024 opkg.baseCodePath + " but target package has no known overlays"); 4025 return false; 4026 } 4027 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4028 // TODO: generate idmap for split APKs 4029 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4030 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4031 + opkg.baseCodePath); 4032 return false; 4033 } 4034 PackageParser.Package[] overlayArray = 4035 overlaySet.values().toArray(new PackageParser.Package[0]); 4036 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4037 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4038 return p1.mOverlayPriority - p2.mOverlayPriority; 4039 } 4040 }; 4041 Arrays.sort(overlayArray, cmp); 4042 4043 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4044 int i = 0; 4045 for (PackageParser.Package p : overlayArray) { 4046 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4047 } 4048 return true; 4049 } 4050 4051 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4052 final File[] files = dir.listFiles(); 4053 if (ArrayUtils.isEmpty(files)) { 4054 Log.d(TAG, "No files in app dir " + dir); 4055 return; 4056 } 4057 4058 if (DEBUG_PACKAGE_SCANNING) { 4059 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4060 + " flags=0x" + Integer.toHexString(parseFlags)); 4061 } 4062 4063 for (File file : files) { 4064 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4065 && !PackageInstallerService.isStageName(file.getName()); 4066 if (!isPackage) { 4067 // Ignore entries which are not packages 4068 continue; 4069 } 4070 try { 4071 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4072 scanFlags, currentTime, null); 4073 } catch (PackageManagerException e) { 4074 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4075 4076 // Delete invalid userdata apps 4077 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4078 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4079 Slog.w(TAG, "Deleting invalid package at " + file); 4080 if (file.isDirectory()) { 4081 FileUtils.deleteContents(file); 4082 } 4083 file.delete(); 4084 } 4085 } 4086 } 4087 } 4088 4089 private static File getSettingsProblemFile() { 4090 File dataDir = Environment.getDataDirectory(); 4091 File systemDir = new File(dataDir, "system"); 4092 File fname = new File(systemDir, "uiderrors.txt"); 4093 return fname; 4094 } 4095 4096 static void reportSettingsProblem(int priority, String msg) { 4097 try { 4098 File fname = getSettingsProblemFile(); 4099 FileOutputStream out = new FileOutputStream(fname, true); 4100 PrintWriter pw = new FastPrintWriter(out); 4101 SimpleDateFormat formatter = new SimpleDateFormat(); 4102 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4103 pw.println(dateString + ": " + msg); 4104 pw.close(); 4105 FileUtils.setPermissions( 4106 fname.toString(), 4107 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4108 -1, -1); 4109 } catch (java.io.IOException e) { 4110 } 4111 Slog.println(priority, TAG, msg); 4112 } 4113 4114 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4115 PackageParser.Package pkg, File srcFile, int parseFlags) 4116 throws PackageManagerException { 4117 if (ps != null 4118 && ps.codePath.equals(srcFile) 4119 && ps.timeStamp == srcFile.lastModified() 4120 && !isCompatSignatureUpdateNeeded(pkg)) { 4121 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4122 if (ps.signatures.mSignatures != null 4123 && ps.signatures.mSignatures.length != 0 4124 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4125 // Optimization: reuse the existing cached certificates 4126 // if the package appears to be unchanged. 4127 pkg.mSignatures = ps.signatures.mSignatures; 4128 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4129 synchronized (mPackages) { 4130 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4131 } 4132 return; 4133 } 4134 4135 Slog.w(TAG, "PackageSetting for " + ps.name 4136 + " is missing signatures. Collecting certs again to recover them."); 4137 } else { 4138 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4139 } 4140 4141 try { 4142 pp.collectCertificates(pkg, parseFlags); 4143 pp.collectManifestDigest(pkg); 4144 } catch (PackageParserException e) { 4145 throw new PackageManagerException(e.error, "Failed to collect certificates for " 4146 + pkg.packageName + ": " + e.getMessage()); 4147 } 4148 } 4149 4150 /* 4151 * Scan a package and return the newly parsed package. 4152 * Returns null in case of errors and the error code is stored in mLastScanError 4153 */ 4154 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4155 long currentTime, UserHandle user) throws PackageManagerException { 4156 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4157 parseFlags |= mDefParseFlags; 4158 PackageParser pp = new PackageParser(); 4159 pp.setSeparateProcesses(mSeparateProcesses); 4160 pp.setOnlyCoreApps(mOnlyCore); 4161 pp.setDisplayMetrics(mMetrics); 4162 4163 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4164 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4165 } 4166 4167 final PackageParser.Package pkg; 4168 try { 4169 pkg = pp.parsePackage(scanFile, parseFlags); 4170 } catch (PackageParserException e) { 4171 throw new PackageManagerException(e.error, 4172 "Failed to scan " + scanFile + ": " + e.getMessage()); 4173 } 4174 4175 PackageSetting ps = null; 4176 PackageSetting updatedPkg; 4177 // reader 4178 synchronized (mPackages) { 4179 // Look to see if we already know about this package. 4180 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4181 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4182 // This package has been renamed to its original name. Let's 4183 // use that. 4184 ps = mSettings.peekPackageLPr(oldName); 4185 } 4186 // If there was no original package, see one for the real package name. 4187 if (ps == null) { 4188 ps = mSettings.peekPackageLPr(pkg.packageName); 4189 } 4190 // Check to see if this package could be hiding/updating a system 4191 // package. Must look for it either under the original or real 4192 // package name depending on our state. 4193 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4194 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4195 } 4196 boolean updatedPkgBetter = false; 4197 // First check if this is a system package that may involve an update 4198 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4199 if (ps != null && !ps.codePath.equals(scanFile)) { 4200 // The path has changed from what was last scanned... check the 4201 // version of the new path against what we have stored to determine 4202 // what to do. 4203 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4204 if (pkg.mVersionCode < ps.versionCode) { 4205 // The system package has been updated and the code path does not match 4206 // Ignore entry. Skip it. 4207 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4208 + " ignored: updated version " + ps.versionCode 4209 + " better than this " + pkg.mVersionCode); 4210 if (!updatedPkg.codePath.equals(scanFile)) { 4211 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4212 + ps.name + " changing from " + updatedPkg.codePathString 4213 + " to " + scanFile); 4214 updatedPkg.codePath = scanFile; 4215 updatedPkg.codePathString = scanFile.toString(); 4216 // This is the point at which we know that the system-disk APK 4217 // for this package has moved during a reboot (e.g. due to an OTA), 4218 // so we need to reevaluate it for privilege policy. 4219 if (locationIsPrivileged(scanFile)) { 4220 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4221 } 4222 } 4223 updatedPkg.pkg = pkg; 4224 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4225 } else { 4226 // The current app on the system partition is better than 4227 // what we have updated to on the data partition; switch 4228 // back to the system partition version. 4229 // At this point, its safely assumed that package installation for 4230 // apps in system partition will go through. If not there won't be a working 4231 // version of the app 4232 // writer 4233 synchronized (mPackages) { 4234 // Just remove the loaded entries from package lists. 4235 mPackages.remove(ps.name); 4236 } 4237 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4238 + "reverting from " + ps.codePathString 4239 + ": new version " + pkg.mVersionCode 4240 + " better than installed " + ps.versionCode); 4241 4242 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4243 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4244 getAppDexInstructionSets(ps)); 4245 synchronized (mInstallLock) { 4246 args.cleanUpResourcesLI(); 4247 } 4248 synchronized (mPackages) { 4249 mSettings.enableSystemPackageLPw(ps.name); 4250 } 4251 updatedPkgBetter = true; 4252 } 4253 } 4254 } 4255 4256 if (updatedPkg != null) { 4257 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4258 // initially 4259 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4260 4261 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4262 // flag set initially 4263 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4264 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4265 } 4266 } 4267 4268 // Verify certificates against what was last scanned 4269 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4270 4271 /* 4272 * A new system app appeared, but we already had a non-system one of the 4273 * same name installed earlier. 4274 */ 4275 boolean shouldHideSystemApp = false; 4276 if (updatedPkg == null && ps != null 4277 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4278 /* 4279 * Check to make sure the signatures match first. If they don't, 4280 * wipe the installed application and its data. 4281 */ 4282 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4283 != PackageManager.SIGNATURE_MATCH) { 4284 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4285 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4286 ps = null; 4287 } else { 4288 /* 4289 * If the newly-added system app is an older version than the 4290 * already installed version, hide it. It will be scanned later 4291 * and re-added like an update. 4292 */ 4293 if (pkg.mVersionCode < ps.versionCode) { 4294 shouldHideSystemApp = true; 4295 } else { 4296 /* 4297 * The newly found system app is a newer version that the 4298 * one previously installed. Simply remove the 4299 * already-installed application and replace it with our own 4300 * while keeping the application data. 4301 */ 4302 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4303 + ps.codePathString + ": new version " + pkg.mVersionCode 4304 + " better than installed " + ps.versionCode); 4305 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4306 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4307 getAppDexInstructionSets(ps)); 4308 synchronized (mInstallLock) { 4309 args.cleanUpResourcesLI(); 4310 } 4311 } 4312 } 4313 } 4314 4315 // The apk is forward locked (not public) if its code and resources 4316 // are kept in different files. (except for app in either system or 4317 // vendor path). 4318 // TODO grab this value from PackageSettings 4319 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4320 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4321 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4322 } 4323 } 4324 4325 // TODO: extend to support forward-locked splits 4326 String resourcePath = null; 4327 String baseResourcePath = null; 4328 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4329 if (ps != null && ps.resourcePathString != null) { 4330 resourcePath = ps.resourcePathString; 4331 baseResourcePath = ps.resourcePathString; 4332 } else { 4333 // Should not happen at all. Just log an error. 4334 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4335 } 4336 } else { 4337 resourcePath = pkg.codePath; 4338 baseResourcePath = pkg.baseCodePath; 4339 } 4340 4341 // Set application objects path explicitly. 4342 pkg.applicationInfo.setCodePath(pkg.codePath); 4343 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4344 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4345 pkg.applicationInfo.setResourcePath(resourcePath); 4346 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4347 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4348 4349 // Note that we invoke the following method only if we are about to unpack an application 4350 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4351 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4352 4353 /* 4354 * If the system app should be overridden by a previously installed 4355 * data, hide the system app now and let the /data/app scan pick it up 4356 * again. 4357 */ 4358 if (shouldHideSystemApp) { 4359 synchronized (mPackages) { 4360 /* 4361 * We have to grant systems permissions before we hide, because 4362 * grantPermissions will assume the package update is trying to 4363 * expand its permissions. 4364 */ 4365 grantPermissionsLPw(pkg, true); 4366 mSettings.disableSystemPackageLPw(pkg.packageName); 4367 } 4368 } 4369 4370 return scannedPkg; 4371 } 4372 4373 private static String fixProcessName(String defProcessName, 4374 String processName, int uid) { 4375 if (processName == null) { 4376 return defProcessName; 4377 } 4378 return processName; 4379 } 4380 4381 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4382 throws PackageManagerException { 4383 if (pkgSetting.signatures.mSignatures != null) { 4384 // Already existing package. Make sure signatures match 4385 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4386 == PackageManager.SIGNATURE_MATCH; 4387 if (!match) { 4388 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4389 == PackageManager.SIGNATURE_MATCH; 4390 } 4391 if (!match) { 4392 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4393 + pkg.packageName + " signatures do not match the " 4394 + "previously installed version; ignoring!"); 4395 } 4396 } 4397 4398 // Check for shared user signatures 4399 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4400 // Already existing package. Make sure signatures match 4401 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4402 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4403 if (!match) { 4404 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4405 == PackageManager.SIGNATURE_MATCH; 4406 } 4407 if (!match) { 4408 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4409 "Package " + pkg.packageName 4410 + " has no signatures that match those in shared user " 4411 + pkgSetting.sharedUser.name + "; ignoring!"); 4412 } 4413 } 4414 } 4415 4416 /** 4417 * Enforces that only the system UID or root's UID can call a method exposed 4418 * via Binder. 4419 * 4420 * @param message used as message if SecurityException is thrown 4421 * @throws SecurityException if the caller is not system or root 4422 */ 4423 private static final void enforceSystemOrRoot(String message) { 4424 final int uid = Binder.getCallingUid(); 4425 if (uid != Process.SYSTEM_UID && uid != 0) { 4426 throw new SecurityException(message); 4427 } 4428 } 4429 4430 @Override 4431 public void performBootDexOpt() { 4432 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4433 4434 final HashSet<PackageParser.Package> pkgs; 4435 synchronized (mPackages) { 4436 pkgs = mDeferredDexOpt; 4437 mDeferredDexOpt = null; 4438 } 4439 4440 if (pkgs != null) { 4441 // Filter out packages that aren't recently used. 4442 // 4443 // The exception is first boot of a non-eng device, which 4444 // should do a full dexopt. 4445 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4446 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4447 // TODO: add a property to control this? 4448 long dexOptLRUThresholdInMinutes; 4449 if (eng) { 4450 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4451 } else { 4452 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4453 } 4454 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4455 4456 int total = pkgs.size(); 4457 int skipped = 0; 4458 long now = System.currentTimeMillis(); 4459 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4460 PackageParser.Package pkg = i.next(); 4461 long then = pkg.mLastPackageUsageTimeInMills; 4462 if (then + dexOptLRUThresholdInMills < now) { 4463 if (DEBUG_DEXOPT) { 4464 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4465 ((then == 0) ? "never" : new Date(then))); 4466 } 4467 i.remove(); 4468 skipped++; 4469 } 4470 } 4471 if (DEBUG_DEXOPT) { 4472 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4473 } 4474 } 4475 4476 int i = 0; 4477 for (PackageParser.Package pkg : pkgs) { 4478 i++; 4479 if (DEBUG_DEXOPT) { 4480 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4481 + ": " + pkg.packageName); 4482 } 4483 if (!isFirstBoot()) { 4484 try { 4485 ActivityManagerNative.getDefault().showBootMessage( 4486 mContext.getResources().getString( 4487 R.string.android_upgrading_apk, 4488 i, pkgs.size()), true); 4489 } catch (RemoteException e) { 4490 } 4491 } 4492 PackageParser.Package p = pkg; 4493 synchronized (mInstallLock) { 4494 performDexOptLI(p, null /* instruction sets */, false /* force dex */, false /* defer */, 4495 true /* include dependencies */); 4496 } 4497 } 4498 } 4499 } 4500 4501 @Override 4502 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4503 return performDexOpt(packageName, instructionSet, true); 4504 } 4505 4506 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4507 if (info.primaryCpuAbi == null) { 4508 return getPreferredInstructionSet(); 4509 } 4510 4511 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4512 } 4513 4514 public boolean performDexOpt(String packageName, String instructionSet, boolean updateUsage) { 4515 PackageParser.Package p; 4516 final String targetInstructionSet; 4517 synchronized (mPackages) { 4518 p = mPackages.get(packageName); 4519 if (p == null) { 4520 return false; 4521 } 4522 if (updateUsage) { 4523 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4524 } 4525 mPackageUsage.write(false); 4526 4527 targetInstructionSet = instructionSet != null ? instructionSet : 4528 getPrimaryInstructionSet(p.applicationInfo); 4529 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4530 return false; 4531 } 4532 } 4533 4534 synchronized (mInstallLock) { 4535 final String[] instructionSets = new String[] { targetInstructionSet }; 4536 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4537 true /* include dependencies */) == DEX_OPT_PERFORMED; 4538 } 4539 } 4540 4541 public HashSet<String> getPackagesThatNeedDexOpt() { 4542 HashSet<String> pkgs = null; 4543 synchronized (mPackages) { 4544 for (PackageParser.Package p : mPackages.values()) { 4545 if (DEBUG_DEXOPT) { 4546 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4547 } 4548 if (!p.mDexOptPerformed.isEmpty()) { 4549 continue; 4550 } 4551 if (pkgs == null) { 4552 pkgs = new HashSet<String>(); 4553 } 4554 pkgs.add(p.packageName); 4555 } 4556 } 4557 return pkgs; 4558 } 4559 4560 public void shutdown() { 4561 mPackageUsage.write(true); 4562 } 4563 4564 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4565 boolean forceDex, boolean defer, HashSet<String> done) { 4566 for (int i=0; i<libs.size(); i++) { 4567 PackageParser.Package libPkg; 4568 String libName; 4569 synchronized (mPackages) { 4570 libName = libs.get(i); 4571 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4572 if (lib != null && lib.apk != null) { 4573 libPkg = mPackages.get(lib.apk); 4574 } else { 4575 libPkg = null; 4576 } 4577 } 4578 if (libPkg != null && !done.contains(libName)) { 4579 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4580 } 4581 } 4582 } 4583 4584 static final int DEX_OPT_SKIPPED = 0; 4585 static final int DEX_OPT_PERFORMED = 1; 4586 static final int DEX_OPT_DEFERRED = 2; 4587 static final int DEX_OPT_FAILED = -1; 4588 4589 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4590 boolean forceDex, boolean defer, HashSet<String> done) { 4591 final String[] instructionSets = targetInstructionSets != null ? 4592 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4593 4594 if (done != null) { 4595 done.add(pkg.packageName); 4596 if (pkg.usesLibraries != null) { 4597 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4598 } 4599 if (pkg.usesOptionalLibraries != null) { 4600 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4601 } 4602 } 4603 4604 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4605 return DEX_OPT_SKIPPED; 4606 } 4607 4608 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4609 4610 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4611 boolean performedDexOpt = false; 4612 // There are three basic cases here: 4613 // 1.) we need to dexopt, either because we are forced or it is needed 4614 // 2.) we are defering a needed dexopt 4615 // 3.) we are skipping an unneeded dexopt 4616 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4617 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4618 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4619 continue; 4620 } 4621 4622 for (String path : paths) { 4623 try { 4624 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4625 // patckage or the one we find does not match the image checksum (i.e. it was 4626 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4627 // odex file and it matches the checksum of the image but not its base address, 4628 // meaning we need to move it. 4629 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4630 pkg.packageName, dexCodeInstructionSet, defer); 4631 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4632 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4633 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4634 + " vmSafeMode=" + vmSafeMode); 4635 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4636 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4637 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4638 4639 if (ret < 0) { 4640 // Don't bother running dexopt again if we failed, it will probably 4641 // just result in an error again. Also, don't bother dexopting for other 4642 // paths & ISAs. 4643 return DEX_OPT_FAILED; 4644 } 4645 4646 performedDexOpt = true; 4647 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4648 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4649 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4650 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4651 pkg.packageName, dexCodeInstructionSet); 4652 4653 if (ret < 0) { 4654 // Don't bother running patchoat again if we failed, it will probably 4655 // just result in an error again. Also, don't bother dexopting for other 4656 // paths & ISAs. 4657 return DEX_OPT_FAILED; 4658 } 4659 4660 performedDexOpt = true; 4661 } 4662 4663 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4664 // paths and instruction sets. We'll deal with them all together when we process 4665 // our list of deferred dexopts. 4666 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4667 if (mDeferredDexOpt == null) { 4668 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4669 } 4670 mDeferredDexOpt.add(pkg); 4671 return DEX_OPT_DEFERRED; 4672 } 4673 } catch (FileNotFoundException e) { 4674 Slog.w(TAG, "Apk not found for dexopt: " + path); 4675 return DEX_OPT_FAILED; 4676 } catch (IOException e) { 4677 Slog.w(TAG, "IOException reading apk: " + path, e); 4678 return DEX_OPT_FAILED; 4679 } catch (StaleDexCacheError e) { 4680 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4681 return DEX_OPT_FAILED; 4682 } catch (Exception e) { 4683 Slog.w(TAG, "Exception when doing dexopt : ", e); 4684 return DEX_OPT_FAILED; 4685 } 4686 } 4687 4688 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4689 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4690 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4691 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4692 // it. 4693 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4694 } 4695 4696 // If we've gotten here, we're sure that no error occurred and that we haven't 4697 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4698 // we've skipped all of them because they are up to date. In both cases this 4699 // package doesn't need dexopt any longer. 4700 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4701 } 4702 4703 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4704 if (info.primaryCpuAbi != null) { 4705 if (info.secondaryCpuAbi != null) { 4706 return new String[] { 4707 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4708 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4709 } else { 4710 return new String[] { 4711 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4712 } 4713 } 4714 4715 return new String[] { getPreferredInstructionSet() }; 4716 } 4717 4718 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4719 if (ps.primaryCpuAbiString != null) { 4720 if (ps.secondaryCpuAbiString != null) { 4721 return new String[] { 4722 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4723 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4724 } else { 4725 return new String[] { 4726 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4727 } 4728 } 4729 4730 return new String[] { getPreferredInstructionSet() }; 4731 } 4732 4733 private static String getPreferredInstructionSet() { 4734 if (sPreferredInstructionSet == null) { 4735 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4736 } 4737 4738 return sPreferredInstructionSet; 4739 } 4740 4741 private static List<String> getAllInstructionSets() { 4742 final String[] allAbis = Build.SUPPORTED_ABIS; 4743 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4744 4745 for (String abi : allAbis) { 4746 final String instructionSet = VMRuntime.getInstructionSet(abi); 4747 if (!allInstructionSets.contains(instructionSet)) { 4748 allInstructionSets.add(instructionSet); 4749 } 4750 } 4751 4752 return allInstructionSets; 4753 } 4754 4755 /** 4756 * Returns the instruction set that should be used to compile dex code. In the presence of 4757 * a native bridge this might be different than the one shared libraries use. 4758 */ 4759 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4760 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4761 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4762 } 4763 4764 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4765 HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length); 4766 for (String instructionSet : instructionSets) { 4767 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4768 } 4769 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4770 } 4771 4772 @Override 4773 public void forceDexOpt(String packageName) { 4774 enforceSystemOrRoot("forceDexOpt"); 4775 4776 PackageParser.Package pkg; 4777 synchronized (mPackages) { 4778 pkg = mPackages.get(packageName); 4779 if (pkg == null) { 4780 throw new IllegalArgumentException("Missing package: " + packageName); 4781 } 4782 } 4783 4784 synchronized (mInstallLock) { 4785 final String[] instructionSets = new String[] { 4786 getPrimaryInstructionSet(pkg.applicationInfo) }; 4787 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4788 if (res != DEX_OPT_PERFORMED) { 4789 throw new IllegalStateException("Failed to dexopt: " + res); 4790 } 4791 } 4792 } 4793 4794 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4795 boolean forceDex, boolean defer, boolean inclDependencies) { 4796 HashSet<String> done; 4797 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4798 done = new HashSet<String>(); 4799 done.add(pkg.packageName); 4800 } else { 4801 done = null; 4802 } 4803 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4804 } 4805 4806 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4807 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4808 Slog.w(TAG, "Unable to update from " + oldPkg.name 4809 + " to " + newPkg.packageName 4810 + ": old package not in system partition"); 4811 return false; 4812 } else if (mPackages.get(oldPkg.name) != null) { 4813 Slog.w(TAG, "Unable to update from " + oldPkg.name 4814 + " to " + newPkg.packageName 4815 + ": old package still exists"); 4816 return false; 4817 } 4818 return true; 4819 } 4820 4821 File getDataPathForUser(int userId) { 4822 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4823 } 4824 4825 private File getDataPathForPackage(String packageName, int userId) { 4826 /* 4827 * Until we fully support multiple users, return the directory we 4828 * previously would have. The PackageManagerTests will need to be 4829 * revised when this is changed back.. 4830 */ 4831 if (userId == 0) { 4832 return new File(mAppDataDir, packageName); 4833 } else { 4834 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4835 + File.separator + packageName); 4836 } 4837 } 4838 4839 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4840 int[] users = sUserManager.getUserIds(); 4841 int res = mInstaller.install(packageName, uid, uid, seinfo); 4842 if (res < 0) { 4843 return res; 4844 } 4845 for (int user : users) { 4846 if (user != 0) { 4847 res = mInstaller.createUserData(packageName, 4848 UserHandle.getUid(user, uid), user, seinfo); 4849 if (res < 0) { 4850 return res; 4851 } 4852 } 4853 } 4854 return res; 4855 } 4856 4857 private int removeDataDirsLI(String packageName) { 4858 int[] users = sUserManager.getUserIds(); 4859 int res = 0; 4860 for (int user : users) { 4861 int resInner = mInstaller.remove(packageName, user); 4862 if (resInner < 0) { 4863 res = resInner; 4864 } 4865 } 4866 4867 return res; 4868 } 4869 4870 private int deleteCodeCacheDirsLI(String packageName) { 4871 int[] users = sUserManager.getUserIds(); 4872 int res = 0; 4873 for (int user : users) { 4874 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 4875 if (resInner < 0) { 4876 res = resInner; 4877 } 4878 } 4879 return res; 4880 } 4881 4882 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4883 PackageParser.Package changingLib) { 4884 if (file.path != null) { 4885 usesLibraryFiles.add(file.path); 4886 return; 4887 } 4888 PackageParser.Package p = mPackages.get(file.apk); 4889 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4890 // If we are doing this while in the middle of updating a library apk, 4891 // then we need to make sure to use that new apk for determining the 4892 // dependencies here. (We haven't yet finished committing the new apk 4893 // to the package manager state.) 4894 if (p == null || p.packageName.equals(changingLib.packageName)) { 4895 p = changingLib; 4896 } 4897 } 4898 if (p != null) { 4899 usesLibraryFiles.addAll(p.getAllCodePaths()); 4900 } 4901 } 4902 4903 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 4904 PackageParser.Package changingLib) throws PackageManagerException { 4905 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4906 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4907 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4908 for (int i=0; i<N; i++) { 4909 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4910 if (file == null) { 4911 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 4912 "Package " + pkg.packageName + " requires unavailable shared library " 4913 + pkg.usesLibraries.get(i) + "; failing!"); 4914 } 4915 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4916 } 4917 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4918 for (int i=0; i<N; i++) { 4919 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4920 if (file == null) { 4921 Slog.w(TAG, "Package " + pkg.packageName 4922 + " desires unavailable shared library " 4923 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4924 } else { 4925 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4926 } 4927 } 4928 N = usesLibraryFiles.size(); 4929 if (N > 0) { 4930 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4931 } else { 4932 pkg.usesLibraryFiles = null; 4933 } 4934 } 4935 } 4936 4937 private static boolean hasString(List<String> list, List<String> which) { 4938 if (list == null) { 4939 return false; 4940 } 4941 for (int i=list.size()-1; i>=0; i--) { 4942 for (int j=which.size()-1; j>=0; j--) { 4943 if (which.get(j).equals(list.get(i))) { 4944 return true; 4945 } 4946 } 4947 } 4948 return false; 4949 } 4950 4951 private void updateAllSharedLibrariesLPw() { 4952 for (PackageParser.Package pkg : mPackages.values()) { 4953 try { 4954 updateSharedLibrariesLPw(pkg, null); 4955 } catch (PackageManagerException e) { 4956 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4957 } 4958 } 4959 } 4960 4961 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4962 PackageParser.Package changingPkg) { 4963 ArrayList<PackageParser.Package> res = null; 4964 for (PackageParser.Package pkg : mPackages.values()) { 4965 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4966 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4967 if (res == null) { 4968 res = new ArrayList<PackageParser.Package>(); 4969 } 4970 res.add(pkg); 4971 try { 4972 updateSharedLibrariesLPw(pkg, changingPkg); 4973 } catch (PackageManagerException e) { 4974 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 4975 } 4976 } 4977 } 4978 return res; 4979 } 4980 4981 /** 4982 * Derive the value of the {@code cpuAbiOverride} based on the provided 4983 * value and an optional stored value from the package settings. 4984 */ 4985 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 4986 String cpuAbiOverride = null; 4987 4988 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 4989 cpuAbiOverride = null; 4990 } else if (abiOverride != null) { 4991 cpuAbiOverride = abiOverride; 4992 } else if (settings != null) { 4993 cpuAbiOverride = settings.cpuAbiOverrideString; 4994 } 4995 4996 return cpuAbiOverride; 4997 } 4998 4999 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5000 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5001 final File scanFile = new File(pkg.codePath); 5002 if (pkg.applicationInfo.getCodePath() == null || 5003 pkg.applicationInfo.getResourcePath() == null) { 5004 // Bail out. The resource and code paths haven't been set. 5005 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5006 "Code and resource paths haven't been set correctly"); 5007 } 5008 5009 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5010 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5011 } 5012 5013 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5014 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5015 } 5016 5017 if (mCustomResolverComponentName != null && 5018 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5019 setUpCustomResolverActivity(pkg); 5020 } 5021 5022 if (pkg.packageName.equals("android")) { 5023 synchronized (mPackages) { 5024 if (mAndroidApplication != null) { 5025 Slog.w(TAG, "*************************************************"); 5026 Slog.w(TAG, "Core android package being redefined. Skipping."); 5027 Slog.w(TAG, " file=" + scanFile); 5028 Slog.w(TAG, "*************************************************"); 5029 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5030 "Core android package being redefined. Skipping."); 5031 } 5032 5033 // Set up information for our fall-back user intent resolution activity. 5034 mPlatformPackage = pkg; 5035 pkg.mVersionCode = mSdkVersion; 5036 mAndroidApplication = pkg.applicationInfo; 5037 5038 if (!mResolverReplaced) { 5039 mResolveActivity.applicationInfo = mAndroidApplication; 5040 mResolveActivity.name = ResolverActivity.class.getName(); 5041 mResolveActivity.packageName = mAndroidApplication.packageName; 5042 mResolveActivity.processName = "system:ui"; 5043 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5044 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5045 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5046 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5047 mResolveActivity.exported = true; 5048 mResolveActivity.enabled = true; 5049 mResolveInfo.activityInfo = mResolveActivity; 5050 mResolveInfo.priority = 0; 5051 mResolveInfo.preferredOrder = 0; 5052 mResolveInfo.match = 0; 5053 mResolveComponentName = new ComponentName( 5054 mAndroidApplication.packageName, mResolveActivity.name); 5055 } 5056 } 5057 } 5058 5059 if (DEBUG_PACKAGE_SCANNING) { 5060 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5061 Log.d(TAG, "Scanning package " + pkg.packageName); 5062 } 5063 5064 if (mPackages.containsKey(pkg.packageName) 5065 || mSharedLibraries.containsKey(pkg.packageName)) { 5066 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5067 "Application package " + pkg.packageName 5068 + " already installed. Skipping duplicate."); 5069 } 5070 5071 // Initialize package source and resource directories 5072 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5073 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5074 5075 SharedUserSetting suid = null; 5076 PackageSetting pkgSetting = null; 5077 5078 if (!isSystemApp(pkg)) { 5079 // Only system apps can use these features. 5080 pkg.mOriginalPackages = null; 5081 pkg.mRealPackage = null; 5082 pkg.mAdoptPermissions = null; 5083 } 5084 5085 // writer 5086 synchronized (mPackages) { 5087 if (pkg.mSharedUserId != null) { 5088 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5089 if (suid == null) { 5090 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5091 "Creating application package " + pkg.packageName 5092 + " for shared user failed"); 5093 } 5094 if (DEBUG_PACKAGE_SCANNING) { 5095 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5096 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5097 + "): packages=" + suid.packages); 5098 } 5099 } 5100 5101 // Check if we are renaming from an original package name. 5102 PackageSetting origPackage = null; 5103 String realName = null; 5104 if (pkg.mOriginalPackages != null) { 5105 // This package may need to be renamed to a previously 5106 // installed name. Let's check on that... 5107 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5108 if (pkg.mOriginalPackages.contains(renamed)) { 5109 // This package had originally been installed as the 5110 // original name, and we have already taken care of 5111 // transitioning to the new one. Just update the new 5112 // one to continue using the old name. 5113 realName = pkg.mRealPackage; 5114 if (!pkg.packageName.equals(renamed)) { 5115 // Callers into this function may have already taken 5116 // care of renaming the package; only do it here if 5117 // it is not already done. 5118 pkg.setPackageName(renamed); 5119 } 5120 5121 } else { 5122 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5123 if ((origPackage = mSettings.peekPackageLPr( 5124 pkg.mOriginalPackages.get(i))) != null) { 5125 // We do have the package already installed under its 5126 // original name... should we use it? 5127 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5128 // New package is not compatible with original. 5129 origPackage = null; 5130 continue; 5131 } else if (origPackage.sharedUser != null) { 5132 // Make sure uid is compatible between packages. 5133 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5134 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5135 + " to " + pkg.packageName + ": old uid " 5136 + origPackage.sharedUser.name 5137 + " differs from " + pkg.mSharedUserId); 5138 origPackage = null; 5139 continue; 5140 } 5141 } else { 5142 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5143 + pkg.packageName + " to old name " + origPackage.name); 5144 } 5145 break; 5146 } 5147 } 5148 } 5149 } 5150 5151 if (mTransferedPackages.contains(pkg.packageName)) { 5152 Slog.w(TAG, "Package " + pkg.packageName 5153 + " was transferred to another, but its .apk remains"); 5154 } 5155 5156 // Just create the setting, don't add it yet. For already existing packages 5157 // the PkgSetting exists already and doesn't have to be created. 5158 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5159 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5160 pkg.applicationInfo.primaryCpuAbi, 5161 pkg.applicationInfo.secondaryCpuAbi, 5162 pkg.applicationInfo.flags, user, false); 5163 if (pkgSetting == null) { 5164 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5165 "Creating application package " + pkg.packageName + " failed"); 5166 } 5167 5168 if (pkgSetting.origPackage != null) { 5169 // If we are first transitioning from an original package, 5170 // fix up the new package's name now. We need to do this after 5171 // looking up the package under its new name, so getPackageLP 5172 // can take care of fiddling things correctly. 5173 pkg.setPackageName(origPackage.name); 5174 5175 // File a report about this. 5176 String msg = "New package " + pkgSetting.realName 5177 + " renamed to replace old package " + pkgSetting.name; 5178 reportSettingsProblem(Log.WARN, msg); 5179 5180 // Make a note of it. 5181 mTransferedPackages.add(origPackage.name); 5182 5183 // No longer need to retain this. 5184 pkgSetting.origPackage = null; 5185 } 5186 5187 if (realName != null) { 5188 // Make a note of it. 5189 mTransferedPackages.add(pkg.packageName); 5190 } 5191 5192 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5193 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5194 } 5195 5196 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5197 // Check all shared libraries and map to their actual file path. 5198 // We only do this here for apps not on a system dir, because those 5199 // are the only ones that can fail an install due to this. We 5200 // will take care of the system apps by updating all of their 5201 // library paths after the scan is done. 5202 updateSharedLibrariesLPw(pkg, null); 5203 } 5204 5205 if (mFoundPolicyFile) { 5206 SELinuxMMAC.assignSeinfoValue(pkg); 5207 } 5208 5209 pkg.applicationInfo.uid = pkgSetting.appId; 5210 pkg.mExtras = pkgSetting; 5211 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5212 try { 5213 verifySignaturesLP(pkgSetting, pkg); 5214 } catch (PackageManagerException e) { 5215 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5216 throw e; 5217 } 5218 // The signature has changed, but this package is in the system 5219 // image... let's recover! 5220 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5221 // However... if this package is part of a shared user, but it 5222 // doesn't match the signature of the shared user, let's fail. 5223 // What this means is that you can't change the signatures 5224 // associated with an overall shared user, which doesn't seem all 5225 // that unreasonable. 5226 if (pkgSetting.sharedUser != null) { 5227 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5228 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5229 throw new PackageManagerException( 5230 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5231 "Signature mismatch for shared user : " 5232 + pkgSetting.sharedUser); 5233 } 5234 } 5235 // File a report about this. 5236 String msg = "System package " + pkg.packageName 5237 + " signature changed; retaining data."; 5238 reportSettingsProblem(Log.WARN, msg); 5239 } 5240 } else { 5241 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5242 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5243 + pkg.packageName + " upgrade keys do not match the " 5244 + "previously installed version"); 5245 } else { 5246 // signatures may have changed as result of upgrade 5247 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5248 } 5249 } 5250 // Verify that this new package doesn't have any content providers 5251 // that conflict with existing packages. Only do this if the 5252 // package isn't already installed, since we don't want to break 5253 // things that are installed. 5254 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5255 final int N = pkg.providers.size(); 5256 int i; 5257 for (i=0; i<N; i++) { 5258 PackageParser.Provider p = pkg.providers.get(i); 5259 if (p.info.authority != null) { 5260 String names[] = p.info.authority.split(";"); 5261 for (int j = 0; j < names.length; j++) { 5262 if (mProvidersByAuthority.containsKey(names[j])) { 5263 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5264 final String otherPackageName = 5265 ((other != null && other.getComponentName() != null) ? 5266 other.getComponentName().getPackageName() : "?"); 5267 throw new PackageManagerException( 5268 INSTALL_FAILED_CONFLICTING_PROVIDER, 5269 "Can't install because provider name " + names[j] 5270 + " (in package " + pkg.applicationInfo.packageName 5271 + ") is already used by " + otherPackageName); 5272 } 5273 } 5274 } 5275 } 5276 } 5277 5278 if (pkg.mAdoptPermissions != null) { 5279 // This package wants to adopt ownership of permissions from 5280 // another package. 5281 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5282 final String origName = pkg.mAdoptPermissions.get(i); 5283 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5284 if (orig != null) { 5285 if (verifyPackageUpdateLPr(orig, pkg)) { 5286 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5287 + pkg.packageName); 5288 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5289 } 5290 } 5291 } 5292 } 5293 } 5294 5295 final String pkgName = pkg.packageName; 5296 5297 final long scanFileTime = scanFile.lastModified(); 5298 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5299 pkg.applicationInfo.processName = fixProcessName( 5300 pkg.applicationInfo.packageName, 5301 pkg.applicationInfo.processName, 5302 pkg.applicationInfo.uid); 5303 5304 File dataPath; 5305 if (mPlatformPackage == pkg) { 5306 // The system package is special. 5307 dataPath = new File (Environment.getDataDirectory(), "system"); 5308 pkg.applicationInfo.dataDir = dataPath.getPath(); 5309 5310 } else { 5311 // This is a normal package, need to make its data directory. 5312 dataPath = getDataPathForPackage(pkg.packageName, 0); 5313 5314 boolean uidError = false; 5315 5316 if (dataPath.exists()) { 5317 int currentUid = 0; 5318 try { 5319 StructStat stat = Os.stat(dataPath.getPath()); 5320 currentUid = stat.st_uid; 5321 } catch (ErrnoException e) { 5322 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5323 } 5324 5325 // If we have mismatched owners for the data path, we have a problem. 5326 if (currentUid != pkg.applicationInfo.uid) { 5327 boolean recovered = false; 5328 if (currentUid == 0) { 5329 // The directory somehow became owned by root. Wow. 5330 // This is probably because the system was stopped while 5331 // installd was in the middle of messing with its libs 5332 // directory. Ask installd to fix that. 5333 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5334 pkg.applicationInfo.uid); 5335 if (ret >= 0) { 5336 recovered = true; 5337 String msg = "Package " + pkg.packageName 5338 + " unexpectedly changed to uid 0; recovered to " + 5339 + pkg.applicationInfo.uid; 5340 reportSettingsProblem(Log.WARN, msg); 5341 } 5342 } 5343 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5344 || (scanFlags&SCAN_BOOTING) != 0)) { 5345 // If this is a system app, we can at least delete its 5346 // current data so the application will still work. 5347 int ret = removeDataDirsLI(pkgName); 5348 if (ret >= 0) { 5349 // TODO: Kill the processes first 5350 // Old data gone! 5351 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5352 ? "System package " : "Third party package "; 5353 String msg = prefix + pkg.packageName 5354 + " has changed from uid: " 5355 + currentUid + " to " 5356 + pkg.applicationInfo.uid + "; old data erased"; 5357 reportSettingsProblem(Log.WARN, msg); 5358 recovered = true; 5359 5360 // And now re-install the app. 5361 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5362 pkg.applicationInfo.seinfo); 5363 if (ret == -1) { 5364 // Ack should not happen! 5365 msg = prefix + pkg.packageName 5366 + " could not have data directory re-created after delete."; 5367 reportSettingsProblem(Log.WARN, msg); 5368 throw new PackageManagerException( 5369 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5370 } 5371 } 5372 if (!recovered) { 5373 mHasSystemUidErrors = true; 5374 } 5375 } else if (!recovered) { 5376 // If we allow this install to proceed, we will be broken. 5377 // Abort, abort! 5378 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5379 "scanPackageLI"); 5380 } 5381 if (!recovered) { 5382 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5383 + pkg.applicationInfo.uid + "/fs_" 5384 + currentUid; 5385 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5386 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5387 String msg = "Package " + pkg.packageName 5388 + " has mismatched uid: " 5389 + currentUid + " on disk, " 5390 + pkg.applicationInfo.uid + " in settings"; 5391 // writer 5392 synchronized (mPackages) { 5393 mSettings.mReadMessages.append(msg); 5394 mSettings.mReadMessages.append('\n'); 5395 uidError = true; 5396 if (!pkgSetting.uidError) { 5397 reportSettingsProblem(Log.ERROR, msg); 5398 } 5399 } 5400 } 5401 } 5402 pkg.applicationInfo.dataDir = dataPath.getPath(); 5403 if (mShouldRestoreconData) { 5404 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5405 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5406 pkg.applicationInfo.uid); 5407 } 5408 } else { 5409 if (DEBUG_PACKAGE_SCANNING) { 5410 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5411 Log.v(TAG, "Want this data dir: " + dataPath); 5412 } 5413 //invoke installer to do the actual installation 5414 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5415 pkg.applicationInfo.seinfo); 5416 if (ret < 0) { 5417 // Error from installer 5418 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5419 "Unable to create data dirs [errorCode=" + ret + "]"); 5420 } 5421 5422 if (dataPath.exists()) { 5423 pkg.applicationInfo.dataDir = dataPath.getPath(); 5424 } else { 5425 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5426 pkg.applicationInfo.dataDir = null; 5427 } 5428 } 5429 5430 pkgSetting.uidError = uidError; 5431 } 5432 5433 final String path = scanFile.getPath(); 5434 final String codePath = pkg.applicationInfo.getCodePath(); 5435 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5436 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5437 setBundledAppAbisAndRoots(pkg, pkgSetting); 5438 5439 // If we haven't found any native libraries for the app, check if it has 5440 // renderscript code. We'll need to force the app to 32 bit if it has 5441 // renderscript bitcode. 5442 if (pkg.applicationInfo.primaryCpuAbi == null 5443 && pkg.applicationInfo.secondaryCpuAbi == null 5444 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5445 NativeLibraryHelper.Handle handle = null; 5446 try { 5447 handle = NativeLibraryHelper.Handle.create(scanFile); 5448 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5449 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5450 } 5451 } catch (IOException ioe) { 5452 Slog.w(TAG, "Error scanning system app : " + ioe); 5453 } finally { 5454 IoUtils.closeQuietly(handle); 5455 } 5456 } 5457 5458 setNativeLibraryPaths(pkg); 5459 } else { 5460 // TODO: We can probably be smarter about this stuff. For installed apps, 5461 // we can calculate this information at install time once and for all. For 5462 // system apps, we can probably assume that this information doesn't change 5463 // after the first boot scan. As things stand, we do lots of unnecessary work. 5464 5465 // Give ourselves some initial paths; we'll come back for another 5466 // pass once we've determined ABI below. 5467 setNativeLibraryPaths(pkg); 5468 5469 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5470 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5471 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5472 5473 NativeLibraryHelper.Handle handle = null; 5474 try { 5475 handle = NativeLibraryHelper.Handle.create(scanFile); 5476 // TODO(multiArch): This can be null for apps that didn't go through the 5477 // usual installation process. We can calculate it again, like we 5478 // do during install time. 5479 // 5480 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5481 // unnecessary. 5482 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5483 5484 // Null out the abis so that they can be recalculated. 5485 pkg.applicationInfo.primaryCpuAbi = null; 5486 pkg.applicationInfo.secondaryCpuAbi = null; 5487 if (isMultiArch(pkg.applicationInfo)) { 5488 // Warn if we've set an abiOverride for multi-lib packages.. 5489 // By definition, we need to copy both 32 and 64 bit libraries for 5490 // such packages. 5491 if (pkg.cpuAbiOverride != null 5492 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5493 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5494 } 5495 5496 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5497 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5498 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5499 if (isAsec) { 5500 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5501 } else { 5502 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5503 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5504 useIsaSpecificSubdirs); 5505 } 5506 } 5507 5508 maybeThrowExceptionForMultiArchCopy( 5509 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5510 5511 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5512 if (isAsec) { 5513 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5514 } else { 5515 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5516 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5517 useIsaSpecificSubdirs); 5518 } 5519 } 5520 5521 maybeThrowExceptionForMultiArchCopy( 5522 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5523 5524 if (abi64 >= 0) { 5525 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5526 } 5527 5528 if (abi32 >= 0) { 5529 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5530 if (abi64 >= 0) { 5531 pkg.applicationInfo.secondaryCpuAbi = abi; 5532 } else { 5533 pkg.applicationInfo.primaryCpuAbi = abi; 5534 } 5535 } 5536 } else { 5537 String[] abiList = (cpuAbiOverride != null) ? 5538 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5539 5540 // Enable gross and lame hacks for apps that are built with old 5541 // SDK tools. We must scan their APKs for renderscript bitcode and 5542 // not launch them if it's present. Don't bother checking on devices 5543 // that don't have 64 bit support. 5544 boolean needsRenderScriptOverride = false; 5545 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5546 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5547 abiList = Build.SUPPORTED_32_BIT_ABIS; 5548 needsRenderScriptOverride = true; 5549 } 5550 5551 final int copyRet; 5552 if (isAsec) { 5553 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5554 } else { 5555 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5556 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5557 } 5558 5559 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5560 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5561 "Error unpackaging native libs for app, errorCode=" + copyRet); 5562 } 5563 5564 if (copyRet >= 0) { 5565 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5566 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5567 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5568 } else if (needsRenderScriptOverride) { 5569 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5570 } 5571 } 5572 } catch (IOException ioe) { 5573 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5574 } finally { 5575 IoUtils.closeQuietly(handle); 5576 } 5577 5578 // Now that we've calculated the ABIs and determined if it's an internal app, 5579 // we will go ahead and populate the nativeLibraryPath. 5580 setNativeLibraryPaths(pkg); 5581 5582 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5583 final int[] userIds = sUserManager.getUserIds(); 5584 synchronized (mInstallLock) { 5585 // Create a native library symlink only if we have native libraries 5586 // and if the native libraries are 32 bit libraries. We do not provide 5587 // this symlink for 64 bit libraries. 5588 if (pkg.applicationInfo.primaryCpuAbi != null && 5589 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5590 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5591 for (int userId : userIds) { 5592 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5593 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5594 "Failed linking native library dir (user=" + userId + ")"); 5595 } 5596 } 5597 } 5598 } 5599 } 5600 5601 // This is a special case for the "system" package, where the ABI is 5602 // dictated by the zygote configuration (and init.rc). We should keep track 5603 // of this ABI so that we can deal with "normal" applications that run under 5604 // the same UID correctly. 5605 if (mPlatformPackage == pkg) { 5606 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5607 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5608 } 5609 5610 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5611 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5612 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5613 // Copy the derived override back to the parsed package, so that we can 5614 // update the package settings accordingly. 5615 pkg.cpuAbiOverride = cpuAbiOverride; 5616 5617 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5618 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5619 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5620 5621 // Push the derived path down into PackageSettings so we know what to 5622 // clean up at uninstall time. 5623 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5624 5625 if (DEBUG_ABI_SELECTION) { 5626 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5627 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5628 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5629 } 5630 5631 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5632 // We don't do this here during boot because we can do it all 5633 // at once after scanning all existing packages. 5634 // 5635 // We also do this *before* we perform dexopt on this package, so that 5636 // we can avoid redundant dexopts, and also to make sure we've got the 5637 // code and package path correct. 5638 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5639 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5640 } 5641 5642 if ((scanFlags&SCAN_NO_DEX) == 0) { 5643 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, (scanFlags&SCAN_DEFER_DEX) != 0, false) 5644 == DEX_OPT_FAILED) { 5645 if ((scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5646 removeDataDirsLI(pkg.packageName); 5647 } 5648 5649 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5650 } 5651 } 5652 5653 if (mFactoryTest && pkg.requestedPermissions.contains( 5654 android.Manifest.permission.FACTORY_TEST)) { 5655 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5656 } 5657 5658 ArrayList<PackageParser.Package> clientLibPkgs = null; 5659 5660 // writer 5661 synchronized (mPackages) { 5662 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5663 // Only system apps can add new shared libraries. 5664 if (pkg.libraryNames != null) { 5665 for (int i=0; i<pkg.libraryNames.size(); i++) { 5666 String name = pkg.libraryNames.get(i); 5667 boolean allowed = false; 5668 if (isUpdatedSystemApp(pkg)) { 5669 // New library entries can only be added through the 5670 // system image. This is important to get rid of a lot 5671 // of nasty edge cases: for example if we allowed a non- 5672 // system update of the app to add a library, then uninstalling 5673 // the update would make the library go away, and assumptions 5674 // we made such as through app install filtering would now 5675 // have allowed apps on the device which aren't compatible 5676 // with it. Better to just have the restriction here, be 5677 // conservative, and create many fewer cases that can negatively 5678 // impact the user experience. 5679 final PackageSetting sysPs = mSettings 5680 .getDisabledSystemPkgLPr(pkg.packageName); 5681 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5682 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5683 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5684 allowed = true; 5685 allowed = true; 5686 break; 5687 } 5688 } 5689 } 5690 } else { 5691 allowed = true; 5692 } 5693 if (allowed) { 5694 if (!mSharedLibraries.containsKey(name)) { 5695 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5696 } else if (!name.equals(pkg.packageName)) { 5697 Slog.w(TAG, "Package " + pkg.packageName + " library " 5698 + name + " already exists; skipping"); 5699 } 5700 } else { 5701 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5702 + name + " that is not declared on system image; skipping"); 5703 } 5704 } 5705 if ((scanFlags&SCAN_BOOTING) == 0) { 5706 // If we are not booting, we need to update any applications 5707 // that are clients of our shared library. If we are booting, 5708 // this will all be done once the scan is complete. 5709 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5710 } 5711 } 5712 } 5713 } 5714 5715 // We also need to dexopt any apps that are dependent on this library. Note that 5716 // if these fail, we should abort the install since installing the library will 5717 // result in some apps being broken. 5718 if (clientLibPkgs != null) { 5719 if ((scanFlags&SCAN_NO_DEX) == 0) { 5720 for (int i=0; i<clientLibPkgs.size(); i++) { 5721 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5722 if (performDexOptLI(clientPkg, null /* instruction sets */, 5723 forceDex, (scanFlags&SCAN_DEFER_DEX) != 0, false) 5724 == DEX_OPT_FAILED) { 5725 if ((scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5726 removeDataDirsLI(pkg.packageName); 5727 } 5728 5729 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5730 "scanPackageLI failed to dexopt clientLibPkgs"); 5731 } 5732 } 5733 } 5734 } 5735 5736 // Request the ActivityManager to kill the process(only for existing packages) 5737 // so that we do not end up in a confused state while the user is still using the older 5738 // version of the application while the new one gets installed. 5739 if ((scanFlags & SCAN_REPLACING) != 0) { 5740 killApplication(pkg.applicationInfo.packageName, 5741 pkg.applicationInfo.uid, "update pkg"); 5742 } 5743 5744 // Also need to kill any apps that are dependent on the library. 5745 if (clientLibPkgs != null) { 5746 for (int i=0; i<clientLibPkgs.size(); i++) { 5747 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5748 killApplication(clientPkg.applicationInfo.packageName, 5749 clientPkg.applicationInfo.uid, "update lib"); 5750 } 5751 } 5752 5753 // writer 5754 synchronized (mPackages) { 5755 // We don't expect installation to fail beyond this point 5756 5757 // Add the new setting to mSettings 5758 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5759 // Add the new setting to mPackages 5760 mPackages.put(pkg.applicationInfo.packageName, pkg); 5761 // Make sure we don't accidentally delete its data. 5762 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5763 while (iter.hasNext()) { 5764 PackageCleanItem item = iter.next(); 5765 if (pkgName.equals(item.packageName)) { 5766 iter.remove(); 5767 } 5768 } 5769 5770 // Take care of first install / last update times. 5771 if (currentTime != 0) { 5772 if (pkgSetting.firstInstallTime == 0) { 5773 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5774 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5775 pkgSetting.lastUpdateTime = currentTime; 5776 } 5777 } else if (pkgSetting.firstInstallTime == 0) { 5778 // We need *something*. Take time time stamp of the file. 5779 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5780 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5781 if (scanFileTime != pkgSetting.timeStamp) { 5782 // A package on the system image has changed; consider this 5783 // to be an update. 5784 pkgSetting.lastUpdateTime = scanFileTime; 5785 } 5786 } 5787 5788 // Add the package's KeySets to the global KeySetManagerService 5789 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5790 try { 5791 // Old KeySetData no longer valid. 5792 ksms.removeAppKeySetDataLPw(pkg.packageName); 5793 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5794 if (pkg.mKeySetMapping != null) { 5795 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5796 pkg.mKeySetMapping.entrySet()) { 5797 if (entry.getValue() != null) { 5798 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5799 entry.getValue(), entry.getKey()); 5800 } 5801 } 5802 if (pkg.mUpgradeKeySets != null) { 5803 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5804 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5805 } 5806 } 5807 } 5808 } catch (NullPointerException e) { 5809 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5810 } catch (IllegalArgumentException e) { 5811 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5812 } 5813 5814 int N = pkg.providers.size(); 5815 StringBuilder r = null; 5816 int i; 5817 for (i=0; i<N; i++) { 5818 PackageParser.Provider p = pkg.providers.get(i); 5819 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5820 p.info.processName, pkg.applicationInfo.uid); 5821 mProviders.addProvider(p); 5822 p.syncable = p.info.isSyncable; 5823 if (p.info.authority != null) { 5824 String names[] = p.info.authority.split(";"); 5825 p.info.authority = null; 5826 for (int j = 0; j < names.length; j++) { 5827 if (j == 1 && p.syncable) { 5828 // We only want the first authority for a provider to possibly be 5829 // syncable, so if we already added this provider using a different 5830 // authority clear the syncable flag. We copy the provider before 5831 // changing it because the mProviders object contains a reference 5832 // to a provider that we don't want to change. 5833 // Only do this for the second authority since the resulting provider 5834 // object can be the same for all future authorities for this provider. 5835 p = new PackageParser.Provider(p); 5836 p.syncable = false; 5837 } 5838 if (!mProvidersByAuthority.containsKey(names[j])) { 5839 mProvidersByAuthority.put(names[j], p); 5840 if (p.info.authority == null) { 5841 p.info.authority = names[j]; 5842 } else { 5843 p.info.authority = p.info.authority + ";" + names[j]; 5844 } 5845 if (DEBUG_PACKAGE_SCANNING) { 5846 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5847 Log.d(TAG, "Registered content provider: " + names[j] 5848 + ", className = " + p.info.name + ", isSyncable = " 5849 + p.info.isSyncable); 5850 } 5851 } else { 5852 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5853 Slog.w(TAG, "Skipping provider name " + names[j] + 5854 " (in package " + pkg.applicationInfo.packageName + 5855 "): name already used by " 5856 + ((other != null && other.getComponentName() != null) 5857 ? other.getComponentName().getPackageName() : "?")); 5858 } 5859 } 5860 } 5861 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5862 if (r == null) { 5863 r = new StringBuilder(256); 5864 } else { 5865 r.append(' '); 5866 } 5867 r.append(p.info.name); 5868 } 5869 } 5870 if (r != null) { 5871 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5872 } 5873 5874 N = pkg.services.size(); 5875 r = null; 5876 for (i=0; i<N; i++) { 5877 PackageParser.Service s = pkg.services.get(i); 5878 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5879 s.info.processName, pkg.applicationInfo.uid); 5880 mServices.addService(s); 5881 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5882 if (r == null) { 5883 r = new StringBuilder(256); 5884 } else { 5885 r.append(' '); 5886 } 5887 r.append(s.info.name); 5888 } 5889 } 5890 if (r != null) { 5891 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5892 } 5893 5894 N = pkg.receivers.size(); 5895 r = null; 5896 for (i=0; i<N; i++) { 5897 PackageParser.Activity a = pkg.receivers.get(i); 5898 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5899 a.info.processName, pkg.applicationInfo.uid); 5900 mReceivers.addActivity(a, "receiver"); 5901 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5902 if (r == null) { 5903 r = new StringBuilder(256); 5904 } else { 5905 r.append(' '); 5906 } 5907 r.append(a.info.name); 5908 } 5909 } 5910 if (r != null) { 5911 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5912 } 5913 5914 N = pkg.activities.size(); 5915 r = null; 5916 for (i=0; i<N; i++) { 5917 PackageParser.Activity a = pkg.activities.get(i); 5918 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5919 a.info.processName, pkg.applicationInfo.uid); 5920 mActivities.addActivity(a, "activity"); 5921 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5922 if (r == null) { 5923 r = new StringBuilder(256); 5924 } else { 5925 r.append(' '); 5926 } 5927 r.append(a.info.name); 5928 } 5929 } 5930 if (r != null) { 5931 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5932 } 5933 5934 N = pkg.permissionGroups.size(); 5935 r = null; 5936 for (i=0; i<N; i++) { 5937 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5938 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5939 if (cur == null) { 5940 mPermissionGroups.put(pg.info.name, pg); 5941 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5942 if (r == null) { 5943 r = new StringBuilder(256); 5944 } else { 5945 r.append(' '); 5946 } 5947 r.append(pg.info.name); 5948 } 5949 } else { 5950 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5951 + pg.info.packageName + " ignored: original from " 5952 + cur.info.packageName); 5953 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5954 if (r == null) { 5955 r = new StringBuilder(256); 5956 } else { 5957 r.append(' '); 5958 } 5959 r.append("DUP:"); 5960 r.append(pg.info.name); 5961 } 5962 } 5963 } 5964 if (r != null) { 5965 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5966 } 5967 5968 N = pkg.permissions.size(); 5969 r = null; 5970 for (i=0; i<N; i++) { 5971 PackageParser.Permission p = pkg.permissions.get(i); 5972 HashMap<String, BasePermission> permissionMap = 5973 p.tree ? mSettings.mPermissionTrees 5974 : mSettings.mPermissions; 5975 p.group = mPermissionGroups.get(p.info.group); 5976 if (p.info.group == null || p.group != null) { 5977 BasePermission bp = permissionMap.get(p.info.name); 5978 if (bp == null) { 5979 bp = new BasePermission(p.info.name, p.info.packageName, 5980 BasePermission.TYPE_NORMAL); 5981 permissionMap.put(p.info.name, bp); 5982 } 5983 if (bp.perm == null) { 5984 if (bp.sourcePackage != null 5985 && !bp.sourcePackage.equals(p.info.packageName)) { 5986 // If this is a permission that was formerly defined by a non-system 5987 // app, but is now defined by a system app (following an upgrade), 5988 // discard the previous declaration and consider the system's to be 5989 // canonical. 5990 if (isSystemApp(p.owner)) { 5991 String msg = "New decl " + p.owner + " of permission " 5992 + p.info.name + " is system"; 5993 reportSettingsProblem(Log.WARN, msg); 5994 bp.sourcePackage = null; 5995 } 5996 } 5997 if (bp.sourcePackage == null 5998 || bp.sourcePackage.equals(p.info.packageName)) { 5999 BasePermission tree = findPermissionTreeLP(p.info.name); 6000 if (tree == null 6001 || tree.sourcePackage.equals(p.info.packageName)) { 6002 bp.packageSetting = pkgSetting; 6003 bp.perm = p; 6004 bp.uid = pkg.applicationInfo.uid; 6005 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6006 if (r == null) { 6007 r = new StringBuilder(256); 6008 } else { 6009 r.append(' '); 6010 } 6011 r.append(p.info.name); 6012 } 6013 } else { 6014 Slog.w(TAG, "Permission " + p.info.name + " from package " 6015 + p.info.packageName + " ignored: base tree " 6016 + tree.name + " is from package " 6017 + tree.sourcePackage); 6018 } 6019 } else { 6020 Slog.w(TAG, "Permission " + p.info.name + " from package " 6021 + p.info.packageName + " ignored: original from " 6022 + bp.sourcePackage); 6023 } 6024 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6025 if (r == null) { 6026 r = new StringBuilder(256); 6027 } else { 6028 r.append(' '); 6029 } 6030 r.append("DUP:"); 6031 r.append(p.info.name); 6032 } 6033 if (bp.perm == p) { 6034 bp.protectionLevel = p.info.protectionLevel; 6035 } 6036 } else { 6037 Slog.w(TAG, "Permission " + p.info.name + " from package " 6038 + p.info.packageName + " ignored: no group " 6039 + p.group); 6040 } 6041 } 6042 if (r != null) { 6043 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6044 } 6045 6046 N = pkg.instrumentation.size(); 6047 r = null; 6048 for (i=0; i<N; i++) { 6049 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6050 a.info.packageName = pkg.applicationInfo.packageName; 6051 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6052 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6053 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6054 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6055 a.info.dataDir = pkg.applicationInfo.dataDir; 6056 6057 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6058 // need other information about the application, like the ABI and what not ? 6059 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6060 mInstrumentation.put(a.getComponentName(), a); 6061 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6062 if (r == null) { 6063 r = new StringBuilder(256); 6064 } else { 6065 r.append(' '); 6066 } 6067 r.append(a.info.name); 6068 } 6069 } 6070 if (r != null) { 6071 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6072 } 6073 6074 if (pkg.protectedBroadcasts != null) { 6075 N = pkg.protectedBroadcasts.size(); 6076 for (i=0; i<N; i++) { 6077 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6078 } 6079 } 6080 6081 pkgSetting.setTimeStamp(scanFileTime); 6082 6083 // Create idmap files for pairs of (packages, overlay packages). 6084 // Note: "android", ie framework-res.apk, is handled by native layers. 6085 if (pkg.mOverlayTarget != null) { 6086 // This is an overlay package. 6087 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6088 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6089 mOverlays.put(pkg.mOverlayTarget, 6090 new HashMap<String, PackageParser.Package>()); 6091 } 6092 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6093 map.put(pkg.packageName, pkg); 6094 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6095 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6096 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6097 "scanPackageLI failed to createIdmap"); 6098 } 6099 } 6100 } else if (mOverlays.containsKey(pkg.packageName) && 6101 !pkg.packageName.equals("android")) { 6102 // This is a regular package, with one or more known overlay packages. 6103 createIdmapsForPackageLI(pkg); 6104 } 6105 } 6106 6107 return pkg; 6108 } 6109 6110 /** 6111 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6112 * i.e, so that all packages can be run inside a single process if required. 6113 * 6114 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6115 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6116 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6117 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6118 * updating a package that belongs to a shared user. 6119 * 6120 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6121 * adds unnecessary complexity. 6122 */ 6123 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6124 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6125 String requiredInstructionSet = null; 6126 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6127 requiredInstructionSet = VMRuntime.getInstructionSet( 6128 scannedPackage.applicationInfo.primaryCpuAbi); 6129 } 6130 6131 PackageSetting requirer = null; 6132 for (PackageSetting ps : packagesForUser) { 6133 // If packagesForUser contains scannedPackage, we skip it. This will happen 6134 // when scannedPackage is an update of an existing package. Without this check, 6135 // we will never be able to change the ABI of any package belonging to a shared 6136 // user, even if it's compatible with other packages. 6137 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6138 if (ps.primaryCpuAbiString == null) { 6139 continue; 6140 } 6141 6142 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6143 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6144 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6145 // this but there's not much we can do. 6146 String errorMessage = "Instruction set mismatch, " 6147 + ((requirer == null) ? "[caller]" : requirer) 6148 + " requires " + requiredInstructionSet + " whereas " + ps 6149 + " requires " + instructionSet; 6150 Slog.w(TAG, errorMessage); 6151 } 6152 6153 if (requiredInstructionSet == null) { 6154 requiredInstructionSet = instructionSet; 6155 requirer = ps; 6156 } 6157 } 6158 } 6159 6160 if (requiredInstructionSet != null) { 6161 String adjustedAbi; 6162 if (requirer != null) { 6163 // requirer != null implies that either scannedPackage was null or that scannedPackage 6164 // did not require an ABI, in which case we have to adjust scannedPackage to match 6165 // the ABI of the set (which is the same as requirer's ABI) 6166 adjustedAbi = requirer.primaryCpuAbiString; 6167 if (scannedPackage != null) { 6168 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6169 } 6170 } else { 6171 // requirer == null implies that we're updating all ABIs in the set to 6172 // match scannedPackage. 6173 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6174 } 6175 6176 for (PackageSetting ps : packagesForUser) { 6177 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6178 if (ps.primaryCpuAbiString != null) { 6179 continue; 6180 } 6181 6182 ps.primaryCpuAbiString = adjustedAbi; 6183 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6184 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6185 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6186 6187 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6188 deferDexOpt, true) == DEX_OPT_FAILED) { 6189 ps.primaryCpuAbiString = null; 6190 ps.pkg.applicationInfo.primaryCpuAbi = null; 6191 return; 6192 } else { 6193 mInstaller.rmdex(ps.codePathString, 6194 getDexCodeInstructionSet(getPreferredInstructionSet())); 6195 } 6196 } 6197 } 6198 } 6199 } 6200 } 6201 6202 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6203 synchronized (mPackages) { 6204 mResolverReplaced = true; 6205 // Set up information for custom user intent resolution activity. 6206 mResolveActivity.applicationInfo = pkg.applicationInfo; 6207 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6208 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6209 mResolveActivity.processName = null; 6210 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6211 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6212 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6213 mResolveActivity.theme = 0; 6214 mResolveActivity.exported = true; 6215 mResolveActivity.enabled = true; 6216 mResolveInfo.activityInfo = mResolveActivity; 6217 mResolveInfo.priority = 0; 6218 mResolveInfo.preferredOrder = 0; 6219 mResolveInfo.match = 0; 6220 mResolveComponentName = mCustomResolverComponentName; 6221 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6222 mResolveComponentName); 6223 } 6224 } 6225 6226 private static String calculateBundledApkRoot(final String codePathString) { 6227 final File codePath = new File(codePathString); 6228 final File codeRoot; 6229 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6230 codeRoot = Environment.getRootDirectory(); 6231 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6232 codeRoot = Environment.getOemDirectory(); 6233 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6234 codeRoot = Environment.getVendorDirectory(); 6235 } else { 6236 // Unrecognized code path; take its top real segment as the apk root: 6237 // e.g. /something/app/blah.apk => /something 6238 try { 6239 File f = codePath.getCanonicalFile(); 6240 File parent = f.getParentFile(); // non-null because codePath is a file 6241 File tmp; 6242 while ((tmp = parent.getParentFile()) != null) { 6243 f = parent; 6244 parent = tmp; 6245 } 6246 codeRoot = f; 6247 Slog.w(TAG, "Unrecognized code path " 6248 + codePath + " - using " + codeRoot); 6249 } catch (IOException e) { 6250 // Can't canonicalize the code path -- shenanigans? 6251 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6252 return Environment.getRootDirectory().getPath(); 6253 } 6254 } 6255 return codeRoot.getPath(); 6256 } 6257 6258 /** 6259 * Derive and set the location of native libraries for the given package, 6260 * which varies depending on where and how the package was installed. 6261 */ 6262 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6263 final ApplicationInfo info = pkg.applicationInfo; 6264 final String codePath = pkg.codePath; 6265 final File codeFile = new File(codePath); 6266 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6267 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6268 6269 info.nativeLibraryRootDir = null; 6270 info.nativeLibraryRootRequiresIsa = false; 6271 info.nativeLibraryDir = null; 6272 info.secondaryNativeLibraryDir = null; 6273 6274 if (isApkFile(codeFile)) { 6275 // Monolithic install 6276 if (bundledApp) { 6277 // If "/system/lib64/apkname" exists, assume that is the per-package 6278 // native library directory to use; otherwise use "/system/lib/apkname". 6279 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6280 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6281 getPrimaryInstructionSet(info)); 6282 6283 // This is a bundled system app so choose the path based on the ABI. 6284 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6285 // is just the default path. 6286 final String apkName = deriveCodePathName(codePath); 6287 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6288 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6289 apkName).getAbsolutePath(); 6290 6291 if (info.secondaryCpuAbi != null) { 6292 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6293 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6294 secondaryLibDir, apkName).getAbsolutePath(); 6295 } 6296 } else if (asecApp) { 6297 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6298 .getAbsolutePath(); 6299 } else { 6300 final String apkName = deriveCodePathName(codePath); 6301 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6302 .getAbsolutePath(); 6303 } 6304 6305 info.nativeLibraryRootRequiresIsa = false; 6306 info.nativeLibraryDir = info.nativeLibraryRootDir; 6307 } else { 6308 // Cluster install 6309 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6310 info.nativeLibraryRootRequiresIsa = true; 6311 6312 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6313 getPrimaryInstructionSet(info)).getAbsolutePath(); 6314 6315 if (info.secondaryCpuAbi != null) { 6316 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6317 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6318 } 6319 } 6320 } 6321 6322 /** 6323 * Calculate the abis and roots for a bundled app. These can uniquely 6324 * be determined from the contents of the system partition, i.e whether 6325 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6326 * of this information, and instead assume that the system was built 6327 * sensibly. 6328 */ 6329 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6330 PackageSetting pkgSetting) { 6331 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6332 6333 // If "/system/lib64/apkname" exists, assume that is the per-package 6334 // native library directory to use; otherwise use "/system/lib/apkname". 6335 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6336 setBundledAppAbi(pkg, apkRoot, apkName); 6337 // pkgSetting might be null during rescan following uninstall of updates 6338 // to a bundled app, so accommodate that possibility. The settings in 6339 // that case will be established later from the parsed package. 6340 // 6341 // If the settings aren't null, sync them up with what we've just derived. 6342 // note that apkRoot isn't stored in the package settings. 6343 if (pkgSetting != null) { 6344 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6345 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6346 } 6347 } 6348 6349 /** 6350 * Deduces the ABI of a bundled app and sets the relevant fields on the 6351 * parsed pkg object. 6352 * 6353 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6354 * under which system libraries are installed. 6355 * @param apkName the name of the installed package. 6356 */ 6357 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6358 final File codeFile = new File(pkg.codePath); 6359 6360 final boolean has64BitLibs; 6361 final boolean has32BitLibs; 6362 if (isApkFile(codeFile)) { 6363 // Monolithic install 6364 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6365 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6366 } else { 6367 // Cluster install 6368 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6369 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6370 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6371 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6372 has64BitLibs = (new File(rootDir, isa)).exists(); 6373 } else { 6374 has64BitLibs = false; 6375 } 6376 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6377 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6378 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6379 has32BitLibs = (new File(rootDir, isa)).exists(); 6380 } else { 6381 has32BitLibs = false; 6382 } 6383 } 6384 6385 if (has64BitLibs && !has32BitLibs) { 6386 // The package has 64 bit libs, but not 32 bit libs. Its primary 6387 // ABI should be 64 bit. We can safely assume here that the bundled 6388 // native libraries correspond to the most preferred ABI in the list. 6389 6390 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6391 pkg.applicationInfo.secondaryCpuAbi = null; 6392 } else if (has32BitLibs && !has64BitLibs) { 6393 // The package has 32 bit libs but not 64 bit libs. Its primary 6394 // ABI should be 32 bit. 6395 6396 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6397 pkg.applicationInfo.secondaryCpuAbi = null; 6398 } else if (has32BitLibs && has64BitLibs) { 6399 // The application has both 64 and 32 bit bundled libraries. We check 6400 // here that the app declares multiArch support, and warn if it doesn't. 6401 // 6402 // We will be lenient here and record both ABIs. The primary will be the 6403 // ABI that's higher on the list, i.e, a device that's configured to prefer 6404 // 64 bit apps will see a 64 bit primary ABI, 6405 6406 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6407 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6408 } 6409 6410 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6411 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6412 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6413 } else { 6414 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6415 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6416 } 6417 } else { 6418 pkg.applicationInfo.primaryCpuAbi = null; 6419 pkg.applicationInfo.secondaryCpuAbi = null; 6420 } 6421 } 6422 6423 private void killApplication(String pkgName, int appId, String reason) { 6424 // Request the ActivityManager to kill the process(only for existing packages) 6425 // so that we do not end up in a confused state while the user is still using the older 6426 // version of the application while the new one gets installed. 6427 IActivityManager am = ActivityManagerNative.getDefault(); 6428 if (am != null) { 6429 try { 6430 am.killApplicationWithAppId(pkgName, appId, reason); 6431 } catch (RemoteException e) { 6432 } 6433 } 6434 } 6435 6436 void removePackageLI(PackageSetting ps, boolean chatty) { 6437 if (DEBUG_INSTALL) { 6438 if (chatty) 6439 Log.d(TAG, "Removing package " + ps.name); 6440 } 6441 6442 // writer 6443 synchronized (mPackages) { 6444 mPackages.remove(ps.name); 6445 final PackageParser.Package pkg = ps.pkg; 6446 if (pkg != null) { 6447 cleanPackageDataStructuresLILPw(pkg, chatty); 6448 } 6449 } 6450 } 6451 6452 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6453 if (DEBUG_INSTALL) { 6454 if (chatty) 6455 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6456 } 6457 6458 // writer 6459 synchronized (mPackages) { 6460 mPackages.remove(pkg.applicationInfo.packageName); 6461 cleanPackageDataStructuresLILPw(pkg, chatty); 6462 } 6463 } 6464 6465 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6466 int N = pkg.providers.size(); 6467 StringBuilder r = null; 6468 int i; 6469 for (i=0; i<N; i++) { 6470 PackageParser.Provider p = pkg.providers.get(i); 6471 mProviders.removeProvider(p); 6472 if (p.info.authority == null) { 6473 6474 /* There was another ContentProvider with this authority when 6475 * this app was installed so this authority is null, 6476 * Ignore it as we don't have to unregister the provider. 6477 */ 6478 continue; 6479 } 6480 String names[] = p.info.authority.split(";"); 6481 for (int j = 0; j < names.length; j++) { 6482 if (mProvidersByAuthority.get(names[j]) == p) { 6483 mProvidersByAuthority.remove(names[j]); 6484 if (DEBUG_REMOVE) { 6485 if (chatty) 6486 Log.d(TAG, "Unregistered content provider: " + names[j] 6487 + ", className = " + p.info.name + ", isSyncable = " 6488 + p.info.isSyncable); 6489 } 6490 } 6491 } 6492 if (DEBUG_REMOVE && chatty) { 6493 if (r == null) { 6494 r = new StringBuilder(256); 6495 } else { 6496 r.append(' '); 6497 } 6498 r.append(p.info.name); 6499 } 6500 } 6501 if (r != null) { 6502 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6503 } 6504 6505 N = pkg.services.size(); 6506 r = null; 6507 for (i=0; i<N; i++) { 6508 PackageParser.Service s = pkg.services.get(i); 6509 mServices.removeService(s); 6510 if (chatty) { 6511 if (r == null) { 6512 r = new StringBuilder(256); 6513 } else { 6514 r.append(' '); 6515 } 6516 r.append(s.info.name); 6517 } 6518 } 6519 if (r != null) { 6520 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6521 } 6522 6523 N = pkg.receivers.size(); 6524 r = null; 6525 for (i=0; i<N; i++) { 6526 PackageParser.Activity a = pkg.receivers.get(i); 6527 mReceivers.removeActivity(a, "receiver"); 6528 if (DEBUG_REMOVE && chatty) { 6529 if (r == null) { 6530 r = new StringBuilder(256); 6531 } else { 6532 r.append(' '); 6533 } 6534 r.append(a.info.name); 6535 } 6536 } 6537 if (r != null) { 6538 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6539 } 6540 6541 N = pkg.activities.size(); 6542 r = null; 6543 for (i=0; i<N; i++) { 6544 PackageParser.Activity a = pkg.activities.get(i); 6545 mActivities.removeActivity(a, "activity"); 6546 if (DEBUG_REMOVE && chatty) { 6547 if (r == null) { 6548 r = new StringBuilder(256); 6549 } else { 6550 r.append(' '); 6551 } 6552 r.append(a.info.name); 6553 } 6554 } 6555 if (r != null) { 6556 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6557 } 6558 6559 N = pkg.permissions.size(); 6560 r = null; 6561 for (i=0; i<N; i++) { 6562 PackageParser.Permission p = pkg.permissions.get(i); 6563 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6564 if (bp == null) { 6565 bp = mSettings.mPermissionTrees.get(p.info.name); 6566 } 6567 if (bp != null && bp.perm == p) { 6568 bp.perm = null; 6569 if (DEBUG_REMOVE && chatty) { 6570 if (r == null) { 6571 r = new StringBuilder(256); 6572 } else { 6573 r.append(' '); 6574 } 6575 r.append(p.info.name); 6576 } 6577 } 6578 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6579 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6580 if (appOpPerms != null) { 6581 appOpPerms.remove(pkg.packageName); 6582 } 6583 } 6584 } 6585 if (r != null) { 6586 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6587 } 6588 6589 N = pkg.requestedPermissions.size(); 6590 r = null; 6591 for (i=0; i<N; i++) { 6592 String perm = pkg.requestedPermissions.get(i); 6593 BasePermission bp = mSettings.mPermissions.get(perm); 6594 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6595 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6596 if (appOpPerms != null) { 6597 appOpPerms.remove(pkg.packageName); 6598 if (appOpPerms.isEmpty()) { 6599 mAppOpPermissionPackages.remove(perm); 6600 } 6601 } 6602 } 6603 } 6604 if (r != null) { 6605 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6606 } 6607 6608 N = pkg.instrumentation.size(); 6609 r = null; 6610 for (i=0; i<N; i++) { 6611 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6612 mInstrumentation.remove(a.getComponentName()); 6613 if (DEBUG_REMOVE && chatty) { 6614 if (r == null) { 6615 r = new StringBuilder(256); 6616 } else { 6617 r.append(' '); 6618 } 6619 r.append(a.info.name); 6620 } 6621 } 6622 if (r != null) { 6623 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6624 } 6625 6626 r = null; 6627 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6628 // Only system apps can hold shared libraries. 6629 if (pkg.libraryNames != null) { 6630 for (i=0; i<pkg.libraryNames.size(); i++) { 6631 String name = pkg.libraryNames.get(i); 6632 SharedLibraryEntry cur = mSharedLibraries.get(name); 6633 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6634 mSharedLibraries.remove(name); 6635 if (DEBUG_REMOVE && chatty) { 6636 if (r == null) { 6637 r = new StringBuilder(256); 6638 } else { 6639 r.append(' '); 6640 } 6641 r.append(name); 6642 } 6643 } 6644 } 6645 } 6646 } 6647 if (r != null) { 6648 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6649 } 6650 } 6651 6652 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6653 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6654 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6655 return true; 6656 } 6657 } 6658 return false; 6659 } 6660 6661 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6662 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6663 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6664 6665 private void updatePermissionsLPw(String changingPkg, 6666 PackageParser.Package pkgInfo, int flags) { 6667 // Make sure there are no dangling permission trees. 6668 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6669 while (it.hasNext()) { 6670 final BasePermission bp = it.next(); 6671 if (bp.packageSetting == null) { 6672 // We may not yet have parsed the package, so just see if 6673 // we still know about its settings. 6674 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6675 } 6676 if (bp.packageSetting == null) { 6677 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6678 + " from package " + bp.sourcePackage); 6679 it.remove(); 6680 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6681 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6682 Slog.i(TAG, "Removing old permission tree: " + bp.name 6683 + " from package " + bp.sourcePackage); 6684 flags |= UPDATE_PERMISSIONS_ALL; 6685 it.remove(); 6686 } 6687 } 6688 } 6689 6690 // Make sure all dynamic permissions have been assigned to a package, 6691 // and make sure there are no dangling permissions. 6692 it = mSettings.mPermissions.values().iterator(); 6693 while (it.hasNext()) { 6694 final BasePermission bp = it.next(); 6695 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6696 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6697 + bp.name + " pkg=" + bp.sourcePackage 6698 + " info=" + bp.pendingInfo); 6699 if (bp.packageSetting == null && bp.pendingInfo != null) { 6700 final BasePermission tree = findPermissionTreeLP(bp.name); 6701 if (tree != null && tree.perm != null) { 6702 bp.packageSetting = tree.packageSetting; 6703 bp.perm = new PackageParser.Permission(tree.perm.owner, 6704 new PermissionInfo(bp.pendingInfo)); 6705 bp.perm.info.packageName = tree.perm.info.packageName; 6706 bp.perm.info.name = bp.name; 6707 bp.uid = tree.uid; 6708 } 6709 } 6710 } 6711 if (bp.packageSetting == null) { 6712 // We may not yet have parsed the package, so just see if 6713 // we still know about its settings. 6714 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6715 } 6716 if (bp.packageSetting == null) { 6717 Slog.w(TAG, "Removing dangling permission: " + bp.name 6718 + " from package " + bp.sourcePackage); 6719 it.remove(); 6720 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6721 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6722 Slog.i(TAG, "Removing old permission: " + bp.name 6723 + " from package " + bp.sourcePackage); 6724 flags |= UPDATE_PERMISSIONS_ALL; 6725 it.remove(); 6726 } 6727 } 6728 } 6729 6730 // Now update the permissions for all packages, in particular 6731 // replace the granted permissions of the system packages. 6732 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6733 for (PackageParser.Package pkg : mPackages.values()) { 6734 if (pkg != pkgInfo) { 6735 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6736 } 6737 } 6738 } 6739 6740 if (pkgInfo != null) { 6741 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6742 } 6743 } 6744 6745 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6746 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6747 if (ps == null) { 6748 return; 6749 } 6750 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6751 HashSet<String> origPermissions = gp.grantedPermissions; 6752 boolean changedPermission = false; 6753 6754 if (replace) { 6755 ps.permissionsFixed = false; 6756 if (gp == ps) { 6757 origPermissions = new HashSet<String>(gp.grantedPermissions); 6758 gp.grantedPermissions.clear(); 6759 gp.gids = mGlobalGids; 6760 } 6761 } 6762 6763 if (gp.gids == null) { 6764 gp.gids = mGlobalGids; 6765 } 6766 6767 final int N = pkg.requestedPermissions.size(); 6768 for (int i=0; i<N; i++) { 6769 final String name = pkg.requestedPermissions.get(i); 6770 final boolean required = pkg.requestedPermissionsRequired.get(i); 6771 final BasePermission bp = mSettings.mPermissions.get(name); 6772 if (DEBUG_INSTALL) { 6773 if (gp != ps) { 6774 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6775 } 6776 } 6777 6778 if (bp == null || bp.packageSetting == null) { 6779 Slog.w(TAG, "Unknown permission " + name 6780 + " in package " + pkg.packageName); 6781 continue; 6782 } 6783 6784 final String perm = bp.name; 6785 boolean allowed; 6786 boolean allowedSig = false; 6787 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6788 // Keep track of app op permissions. 6789 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6790 if (pkgs == null) { 6791 pkgs = new ArraySet<>(); 6792 mAppOpPermissionPackages.put(bp.name, pkgs); 6793 } 6794 pkgs.add(pkg.packageName); 6795 } 6796 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6797 if (level == PermissionInfo.PROTECTION_NORMAL 6798 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6799 // We grant a normal or dangerous permission if any of the following 6800 // are true: 6801 // 1) The permission is required 6802 // 2) The permission is optional, but was granted in the past 6803 // 3) The permission is optional, but was requested by an 6804 // app in /system (not /data) 6805 // 6806 // Otherwise, reject the permission. 6807 allowed = (required || origPermissions.contains(perm) 6808 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6809 } else if (bp.packageSetting == null) { 6810 // This permission is invalid; skip it. 6811 allowed = false; 6812 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6813 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6814 if (allowed) { 6815 allowedSig = true; 6816 } 6817 } else { 6818 allowed = false; 6819 } 6820 if (DEBUG_INSTALL) { 6821 if (gp != ps) { 6822 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6823 } 6824 } 6825 if (allowed) { 6826 if (!isSystemApp(ps) && ps.permissionsFixed) { 6827 // If this is an existing, non-system package, then 6828 // we can't add any new permissions to it. 6829 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6830 // Except... if this is a permission that was added 6831 // to the platform (note: need to only do this when 6832 // updating the platform). 6833 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6834 } 6835 } 6836 if (allowed) { 6837 if (!gp.grantedPermissions.contains(perm)) { 6838 changedPermission = true; 6839 gp.grantedPermissions.add(perm); 6840 gp.gids = appendInts(gp.gids, bp.gids); 6841 } else if (!ps.haveGids) { 6842 gp.gids = appendInts(gp.gids, bp.gids); 6843 } 6844 } else { 6845 Slog.w(TAG, "Not granting permission " + perm 6846 + " to package " + pkg.packageName 6847 + " because it was previously installed without"); 6848 } 6849 } else { 6850 if (gp.grantedPermissions.remove(perm)) { 6851 changedPermission = true; 6852 gp.gids = removeInts(gp.gids, bp.gids); 6853 Slog.i(TAG, "Un-granting permission " + perm 6854 + " from package " + pkg.packageName 6855 + " (protectionLevel=" + bp.protectionLevel 6856 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6857 + ")"); 6858 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 6859 // Don't print warning for app op permissions, since it is fine for them 6860 // not to be granted, there is a UI for the user to decide. 6861 Slog.w(TAG, "Not granting permission " + perm 6862 + " to package " + pkg.packageName 6863 + " (protectionLevel=" + bp.protectionLevel 6864 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6865 + ")"); 6866 } 6867 } 6868 } 6869 6870 if ((changedPermission || replace) && !ps.permissionsFixed && 6871 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6872 // This is the first that we have heard about this package, so the 6873 // permissions we have now selected are fixed until explicitly 6874 // changed. 6875 ps.permissionsFixed = true; 6876 } 6877 ps.haveGids = true; 6878 } 6879 6880 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6881 boolean allowed = false; 6882 final int NP = PackageParser.NEW_PERMISSIONS.length; 6883 for (int ip=0; ip<NP; ip++) { 6884 final PackageParser.NewPermissionInfo npi 6885 = PackageParser.NEW_PERMISSIONS[ip]; 6886 if (npi.name.equals(perm) 6887 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6888 allowed = true; 6889 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6890 + pkg.packageName); 6891 break; 6892 } 6893 } 6894 return allowed; 6895 } 6896 6897 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6898 BasePermission bp, HashSet<String> origPermissions) { 6899 boolean allowed; 6900 allowed = (compareSignatures( 6901 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6902 == PackageManager.SIGNATURE_MATCH) 6903 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6904 == PackageManager.SIGNATURE_MATCH); 6905 if (!allowed && (bp.protectionLevel 6906 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6907 if (isSystemApp(pkg)) { 6908 // For updated system applications, a system permission 6909 // is granted only if it had been defined by the original application. 6910 if (isUpdatedSystemApp(pkg)) { 6911 final PackageSetting sysPs = mSettings 6912 .getDisabledSystemPkgLPr(pkg.packageName); 6913 final GrantedPermissions origGp = sysPs.sharedUser != null 6914 ? sysPs.sharedUser : sysPs; 6915 6916 if (origGp.grantedPermissions.contains(perm)) { 6917 // If the original was granted this permission, we take 6918 // that grant decision as read and propagate it to the 6919 // update. 6920 allowed = true; 6921 } else { 6922 // The system apk may have been updated with an older 6923 // version of the one on the data partition, but which 6924 // granted a new system permission that it didn't have 6925 // before. In this case we do want to allow the app to 6926 // now get the new permission if the ancestral apk is 6927 // privileged to get it. 6928 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6929 for (int j=0; 6930 j<sysPs.pkg.requestedPermissions.size(); j++) { 6931 if (perm.equals( 6932 sysPs.pkg.requestedPermissions.get(j))) { 6933 allowed = true; 6934 break; 6935 } 6936 } 6937 } 6938 } 6939 } else { 6940 allowed = isPrivilegedApp(pkg); 6941 } 6942 } 6943 } 6944 if (!allowed && (bp.protectionLevel 6945 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6946 // For development permissions, a development permission 6947 // is granted only if it was already granted. 6948 allowed = origPermissions.contains(perm); 6949 } 6950 return allowed; 6951 } 6952 6953 final class ActivityIntentResolver 6954 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6955 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6956 boolean defaultOnly, int userId) { 6957 if (!sUserManager.exists(userId)) return null; 6958 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6959 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6960 } 6961 6962 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6963 int userId) { 6964 if (!sUserManager.exists(userId)) return null; 6965 mFlags = flags; 6966 return super.queryIntent(intent, resolvedType, 6967 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6968 } 6969 6970 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6971 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6972 if (!sUserManager.exists(userId)) return null; 6973 if (packageActivities == null) { 6974 return null; 6975 } 6976 mFlags = flags; 6977 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6978 final int N = packageActivities.size(); 6979 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6980 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6981 6982 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6983 for (int i = 0; i < N; ++i) { 6984 intentFilters = packageActivities.get(i).intents; 6985 if (intentFilters != null && intentFilters.size() > 0) { 6986 PackageParser.ActivityIntentInfo[] array = 6987 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6988 intentFilters.toArray(array); 6989 listCut.add(array); 6990 } 6991 } 6992 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6993 } 6994 6995 public final void addActivity(PackageParser.Activity a, String type) { 6996 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6997 mActivities.put(a.getComponentName(), a); 6998 if (DEBUG_SHOW_INFO) 6999 Log.v( 7000 TAG, " " + type + " " + 7001 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7002 if (DEBUG_SHOW_INFO) 7003 Log.v(TAG, " Class=" + a.info.name); 7004 final int NI = a.intents.size(); 7005 for (int j=0; j<NI; j++) { 7006 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7007 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7008 intent.setPriority(0); 7009 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7010 + a.className + " with priority > 0, forcing to 0"); 7011 } 7012 if (DEBUG_SHOW_INFO) { 7013 Log.v(TAG, " IntentFilter:"); 7014 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7015 } 7016 if (!intent.debugCheck()) { 7017 Log.w(TAG, "==> For Activity " + a.info.name); 7018 } 7019 addFilter(intent); 7020 } 7021 } 7022 7023 public final void removeActivity(PackageParser.Activity a, String type) { 7024 mActivities.remove(a.getComponentName()); 7025 if (DEBUG_SHOW_INFO) { 7026 Log.v(TAG, " " + type + " " 7027 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7028 : a.info.name) + ":"); 7029 Log.v(TAG, " Class=" + a.info.name); 7030 } 7031 final int NI = a.intents.size(); 7032 for (int j=0; j<NI; j++) { 7033 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7034 if (DEBUG_SHOW_INFO) { 7035 Log.v(TAG, " IntentFilter:"); 7036 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7037 } 7038 removeFilter(intent); 7039 } 7040 } 7041 7042 @Override 7043 protected boolean allowFilterResult( 7044 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7045 ActivityInfo filterAi = filter.activity.info; 7046 for (int i=dest.size()-1; i>=0; i--) { 7047 ActivityInfo destAi = dest.get(i).activityInfo; 7048 if (destAi.name == filterAi.name 7049 && destAi.packageName == filterAi.packageName) { 7050 return false; 7051 } 7052 } 7053 return true; 7054 } 7055 7056 @Override 7057 protected ActivityIntentInfo[] newArray(int size) { 7058 return new ActivityIntentInfo[size]; 7059 } 7060 7061 @Override 7062 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7063 if (!sUserManager.exists(userId)) return true; 7064 PackageParser.Package p = filter.activity.owner; 7065 if (p != null) { 7066 PackageSetting ps = (PackageSetting)p.mExtras; 7067 if (ps != null) { 7068 // System apps are never considered stopped for purposes of 7069 // filtering, because there may be no way for the user to 7070 // actually re-launch them. 7071 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7072 && ps.getStopped(userId); 7073 } 7074 } 7075 return false; 7076 } 7077 7078 @Override 7079 protected boolean isPackageForFilter(String packageName, 7080 PackageParser.ActivityIntentInfo info) { 7081 return packageName.equals(info.activity.owner.packageName); 7082 } 7083 7084 @Override 7085 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7086 int match, int userId) { 7087 if (!sUserManager.exists(userId)) return null; 7088 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7089 return null; 7090 } 7091 final PackageParser.Activity activity = info.activity; 7092 if (mSafeMode && (activity.info.applicationInfo.flags 7093 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7094 return null; 7095 } 7096 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7097 if (ps == null) { 7098 return null; 7099 } 7100 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7101 ps.readUserState(userId), userId); 7102 if (ai == null) { 7103 return null; 7104 } 7105 final ResolveInfo res = new ResolveInfo(); 7106 res.activityInfo = ai; 7107 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7108 res.filter = info; 7109 } 7110 res.priority = info.getPriority(); 7111 res.preferredOrder = activity.owner.mPreferredOrder; 7112 //System.out.println("Result: " + res.activityInfo.className + 7113 // " = " + res.priority); 7114 res.match = match; 7115 res.isDefault = info.hasDefault; 7116 res.labelRes = info.labelRes; 7117 res.nonLocalizedLabel = info.nonLocalizedLabel; 7118 if (userNeedsBadging(userId)) { 7119 res.noResourceId = true; 7120 } else { 7121 res.icon = info.icon; 7122 } 7123 res.system = isSystemApp(res.activityInfo.applicationInfo); 7124 return res; 7125 } 7126 7127 @Override 7128 protected void sortResults(List<ResolveInfo> results) { 7129 Collections.sort(results, mResolvePrioritySorter); 7130 } 7131 7132 @Override 7133 protected void dumpFilter(PrintWriter out, String prefix, 7134 PackageParser.ActivityIntentInfo filter) { 7135 out.print(prefix); out.print( 7136 Integer.toHexString(System.identityHashCode(filter.activity))); 7137 out.print(' '); 7138 filter.activity.printComponentShortName(out); 7139 out.print(" filter "); 7140 out.println(Integer.toHexString(System.identityHashCode(filter))); 7141 } 7142 7143// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7144// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7145// final List<ResolveInfo> retList = Lists.newArrayList(); 7146// while (i.hasNext()) { 7147// final ResolveInfo resolveInfo = i.next(); 7148// if (isEnabledLP(resolveInfo.activityInfo)) { 7149// retList.add(resolveInfo); 7150// } 7151// } 7152// return retList; 7153// } 7154 7155 // Keys are String (activity class name), values are Activity. 7156 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7157 = new HashMap<ComponentName, PackageParser.Activity>(); 7158 private int mFlags; 7159 } 7160 7161 private final class ServiceIntentResolver 7162 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7163 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7164 boolean defaultOnly, int userId) { 7165 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7166 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7167 } 7168 7169 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7170 int userId) { 7171 if (!sUserManager.exists(userId)) return null; 7172 mFlags = flags; 7173 return super.queryIntent(intent, resolvedType, 7174 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7175 } 7176 7177 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7178 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7179 if (!sUserManager.exists(userId)) return null; 7180 if (packageServices == null) { 7181 return null; 7182 } 7183 mFlags = flags; 7184 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7185 final int N = packageServices.size(); 7186 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7187 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7188 7189 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7190 for (int i = 0; i < N; ++i) { 7191 intentFilters = packageServices.get(i).intents; 7192 if (intentFilters != null && intentFilters.size() > 0) { 7193 PackageParser.ServiceIntentInfo[] array = 7194 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7195 intentFilters.toArray(array); 7196 listCut.add(array); 7197 } 7198 } 7199 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7200 } 7201 7202 public final void addService(PackageParser.Service s) { 7203 mServices.put(s.getComponentName(), s); 7204 if (DEBUG_SHOW_INFO) { 7205 Log.v(TAG, " " 7206 + (s.info.nonLocalizedLabel != null 7207 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7208 Log.v(TAG, " Class=" + s.info.name); 7209 } 7210 final int NI = s.intents.size(); 7211 int j; 7212 for (j=0; j<NI; j++) { 7213 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7214 if (DEBUG_SHOW_INFO) { 7215 Log.v(TAG, " IntentFilter:"); 7216 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7217 } 7218 if (!intent.debugCheck()) { 7219 Log.w(TAG, "==> For Service " + s.info.name); 7220 } 7221 addFilter(intent); 7222 } 7223 } 7224 7225 public final void removeService(PackageParser.Service s) { 7226 mServices.remove(s.getComponentName()); 7227 if (DEBUG_SHOW_INFO) { 7228 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7229 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7230 Log.v(TAG, " Class=" + s.info.name); 7231 } 7232 final int NI = s.intents.size(); 7233 int j; 7234 for (j=0; j<NI; j++) { 7235 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7236 if (DEBUG_SHOW_INFO) { 7237 Log.v(TAG, " IntentFilter:"); 7238 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7239 } 7240 removeFilter(intent); 7241 } 7242 } 7243 7244 @Override 7245 protected boolean allowFilterResult( 7246 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7247 ServiceInfo filterSi = filter.service.info; 7248 for (int i=dest.size()-1; i>=0; i--) { 7249 ServiceInfo destAi = dest.get(i).serviceInfo; 7250 if (destAi.name == filterSi.name 7251 && destAi.packageName == filterSi.packageName) { 7252 return false; 7253 } 7254 } 7255 return true; 7256 } 7257 7258 @Override 7259 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7260 return new PackageParser.ServiceIntentInfo[size]; 7261 } 7262 7263 @Override 7264 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7265 if (!sUserManager.exists(userId)) return true; 7266 PackageParser.Package p = filter.service.owner; 7267 if (p != null) { 7268 PackageSetting ps = (PackageSetting)p.mExtras; 7269 if (ps != null) { 7270 // System apps are never considered stopped for purposes of 7271 // filtering, because there may be no way for the user to 7272 // actually re-launch them. 7273 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7274 && ps.getStopped(userId); 7275 } 7276 } 7277 return false; 7278 } 7279 7280 @Override 7281 protected boolean isPackageForFilter(String packageName, 7282 PackageParser.ServiceIntentInfo info) { 7283 return packageName.equals(info.service.owner.packageName); 7284 } 7285 7286 @Override 7287 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7288 int match, int userId) { 7289 if (!sUserManager.exists(userId)) return null; 7290 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7291 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7292 return null; 7293 } 7294 final PackageParser.Service service = info.service; 7295 if (mSafeMode && (service.info.applicationInfo.flags 7296 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7297 return null; 7298 } 7299 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7300 if (ps == null) { 7301 return null; 7302 } 7303 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7304 ps.readUserState(userId), userId); 7305 if (si == null) { 7306 return null; 7307 } 7308 final ResolveInfo res = new ResolveInfo(); 7309 res.serviceInfo = si; 7310 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7311 res.filter = filter; 7312 } 7313 res.priority = info.getPriority(); 7314 res.preferredOrder = service.owner.mPreferredOrder; 7315 //System.out.println("Result: " + res.activityInfo.className + 7316 // " = " + res.priority); 7317 res.match = match; 7318 res.isDefault = info.hasDefault; 7319 res.labelRes = info.labelRes; 7320 res.nonLocalizedLabel = info.nonLocalizedLabel; 7321 res.icon = info.icon; 7322 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7323 return res; 7324 } 7325 7326 @Override 7327 protected void sortResults(List<ResolveInfo> results) { 7328 Collections.sort(results, mResolvePrioritySorter); 7329 } 7330 7331 @Override 7332 protected void dumpFilter(PrintWriter out, String prefix, 7333 PackageParser.ServiceIntentInfo filter) { 7334 out.print(prefix); out.print( 7335 Integer.toHexString(System.identityHashCode(filter.service))); 7336 out.print(' '); 7337 filter.service.printComponentShortName(out); 7338 out.print(" filter "); 7339 out.println(Integer.toHexString(System.identityHashCode(filter))); 7340 } 7341 7342// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7343// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7344// final List<ResolveInfo> retList = Lists.newArrayList(); 7345// while (i.hasNext()) { 7346// final ResolveInfo resolveInfo = (ResolveInfo) i; 7347// if (isEnabledLP(resolveInfo.serviceInfo)) { 7348// retList.add(resolveInfo); 7349// } 7350// } 7351// return retList; 7352// } 7353 7354 // Keys are String (activity class name), values are Activity. 7355 private final HashMap<ComponentName, PackageParser.Service> mServices 7356 = new HashMap<ComponentName, PackageParser.Service>(); 7357 private int mFlags; 7358 }; 7359 7360 private final class ProviderIntentResolver 7361 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7362 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7363 boolean defaultOnly, int userId) { 7364 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7365 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7366 } 7367 7368 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7369 int userId) { 7370 if (!sUserManager.exists(userId)) 7371 return null; 7372 mFlags = flags; 7373 return super.queryIntent(intent, resolvedType, 7374 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7375 } 7376 7377 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7378 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7379 if (!sUserManager.exists(userId)) 7380 return null; 7381 if (packageProviders == null) { 7382 return null; 7383 } 7384 mFlags = flags; 7385 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7386 final int N = packageProviders.size(); 7387 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7388 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7389 7390 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7391 for (int i = 0; i < N; ++i) { 7392 intentFilters = packageProviders.get(i).intents; 7393 if (intentFilters != null && intentFilters.size() > 0) { 7394 PackageParser.ProviderIntentInfo[] array = 7395 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7396 intentFilters.toArray(array); 7397 listCut.add(array); 7398 } 7399 } 7400 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7401 } 7402 7403 public final void addProvider(PackageParser.Provider p) { 7404 if (mProviders.containsKey(p.getComponentName())) { 7405 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7406 return; 7407 } 7408 7409 mProviders.put(p.getComponentName(), p); 7410 if (DEBUG_SHOW_INFO) { 7411 Log.v(TAG, " " 7412 + (p.info.nonLocalizedLabel != null 7413 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7414 Log.v(TAG, " Class=" + p.info.name); 7415 } 7416 final int NI = p.intents.size(); 7417 int j; 7418 for (j = 0; j < NI; j++) { 7419 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7420 if (DEBUG_SHOW_INFO) { 7421 Log.v(TAG, " IntentFilter:"); 7422 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7423 } 7424 if (!intent.debugCheck()) { 7425 Log.w(TAG, "==> For Provider " + p.info.name); 7426 } 7427 addFilter(intent); 7428 } 7429 } 7430 7431 public final void removeProvider(PackageParser.Provider p) { 7432 mProviders.remove(p.getComponentName()); 7433 if (DEBUG_SHOW_INFO) { 7434 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7435 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7436 Log.v(TAG, " Class=" + p.info.name); 7437 } 7438 final int NI = p.intents.size(); 7439 int j; 7440 for (j = 0; j < NI; j++) { 7441 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7442 if (DEBUG_SHOW_INFO) { 7443 Log.v(TAG, " IntentFilter:"); 7444 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7445 } 7446 removeFilter(intent); 7447 } 7448 } 7449 7450 @Override 7451 protected boolean allowFilterResult( 7452 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7453 ProviderInfo filterPi = filter.provider.info; 7454 for (int i = dest.size() - 1; i >= 0; i--) { 7455 ProviderInfo destPi = dest.get(i).providerInfo; 7456 if (destPi.name == filterPi.name 7457 && destPi.packageName == filterPi.packageName) { 7458 return false; 7459 } 7460 } 7461 return true; 7462 } 7463 7464 @Override 7465 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7466 return new PackageParser.ProviderIntentInfo[size]; 7467 } 7468 7469 @Override 7470 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7471 if (!sUserManager.exists(userId)) 7472 return true; 7473 PackageParser.Package p = filter.provider.owner; 7474 if (p != null) { 7475 PackageSetting ps = (PackageSetting) p.mExtras; 7476 if (ps != null) { 7477 // System apps are never considered stopped for purposes of 7478 // filtering, because there may be no way for the user to 7479 // actually re-launch them. 7480 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7481 && ps.getStopped(userId); 7482 } 7483 } 7484 return false; 7485 } 7486 7487 @Override 7488 protected boolean isPackageForFilter(String packageName, 7489 PackageParser.ProviderIntentInfo info) { 7490 return packageName.equals(info.provider.owner.packageName); 7491 } 7492 7493 @Override 7494 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7495 int match, int userId) { 7496 if (!sUserManager.exists(userId)) 7497 return null; 7498 final PackageParser.ProviderIntentInfo info = filter; 7499 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7500 return null; 7501 } 7502 final PackageParser.Provider provider = info.provider; 7503 if (mSafeMode && (provider.info.applicationInfo.flags 7504 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7505 return null; 7506 } 7507 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7508 if (ps == null) { 7509 return null; 7510 } 7511 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7512 ps.readUserState(userId), userId); 7513 if (pi == null) { 7514 return null; 7515 } 7516 final ResolveInfo res = new ResolveInfo(); 7517 res.providerInfo = pi; 7518 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7519 res.filter = filter; 7520 } 7521 res.priority = info.getPriority(); 7522 res.preferredOrder = provider.owner.mPreferredOrder; 7523 res.match = match; 7524 res.isDefault = info.hasDefault; 7525 res.labelRes = info.labelRes; 7526 res.nonLocalizedLabel = info.nonLocalizedLabel; 7527 res.icon = info.icon; 7528 res.system = isSystemApp(res.providerInfo.applicationInfo); 7529 return res; 7530 } 7531 7532 @Override 7533 protected void sortResults(List<ResolveInfo> results) { 7534 Collections.sort(results, mResolvePrioritySorter); 7535 } 7536 7537 @Override 7538 protected void dumpFilter(PrintWriter out, String prefix, 7539 PackageParser.ProviderIntentInfo filter) { 7540 out.print(prefix); 7541 out.print( 7542 Integer.toHexString(System.identityHashCode(filter.provider))); 7543 out.print(' '); 7544 filter.provider.printComponentShortName(out); 7545 out.print(" filter "); 7546 out.println(Integer.toHexString(System.identityHashCode(filter))); 7547 } 7548 7549 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7550 = new HashMap<ComponentName, PackageParser.Provider>(); 7551 private int mFlags; 7552 }; 7553 7554 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7555 new Comparator<ResolveInfo>() { 7556 public int compare(ResolveInfo r1, ResolveInfo r2) { 7557 int v1 = r1.priority; 7558 int v2 = r2.priority; 7559 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7560 if (v1 != v2) { 7561 return (v1 > v2) ? -1 : 1; 7562 } 7563 v1 = r1.preferredOrder; 7564 v2 = r2.preferredOrder; 7565 if (v1 != v2) { 7566 return (v1 > v2) ? -1 : 1; 7567 } 7568 if (r1.isDefault != r2.isDefault) { 7569 return r1.isDefault ? -1 : 1; 7570 } 7571 v1 = r1.match; 7572 v2 = r2.match; 7573 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7574 if (v1 != v2) { 7575 return (v1 > v2) ? -1 : 1; 7576 } 7577 if (r1.system != r2.system) { 7578 return r1.system ? -1 : 1; 7579 } 7580 return 0; 7581 } 7582 }; 7583 7584 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7585 new Comparator<ProviderInfo>() { 7586 public int compare(ProviderInfo p1, ProviderInfo p2) { 7587 final int v1 = p1.initOrder; 7588 final int v2 = p2.initOrder; 7589 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7590 } 7591 }; 7592 7593 static final void sendPackageBroadcast(String action, String pkg, 7594 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7595 int[] userIds) { 7596 IActivityManager am = ActivityManagerNative.getDefault(); 7597 if (am != null) { 7598 try { 7599 if (userIds == null) { 7600 userIds = am.getRunningUserIds(); 7601 } 7602 for (int id : userIds) { 7603 final Intent intent = new Intent(action, 7604 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7605 if (extras != null) { 7606 intent.putExtras(extras); 7607 } 7608 if (targetPkg != null) { 7609 intent.setPackage(targetPkg); 7610 } 7611 // Modify the UID when posting to other users 7612 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7613 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7614 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7615 intent.putExtra(Intent.EXTRA_UID, uid); 7616 } 7617 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7618 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7619 if (DEBUG_BROADCASTS) { 7620 RuntimeException here = new RuntimeException("here"); 7621 here.fillInStackTrace(); 7622 Slog.d(TAG, "Sending to user " + id + ": " 7623 + intent.toShortString(false, true, false, false) 7624 + " " + intent.getExtras(), here); 7625 } 7626 am.broadcastIntent(null, intent, null, finishedReceiver, 7627 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7628 finishedReceiver != null, false, id); 7629 } 7630 } catch (RemoteException ex) { 7631 } 7632 } 7633 } 7634 7635 /** 7636 * Check if the external storage media is available. This is true if there 7637 * is a mounted external storage medium or if the external storage is 7638 * emulated. 7639 */ 7640 private boolean isExternalMediaAvailable() { 7641 return mMediaMounted || Environment.isExternalStorageEmulated(); 7642 } 7643 7644 @Override 7645 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7646 // writer 7647 synchronized (mPackages) { 7648 if (!isExternalMediaAvailable()) { 7649 // If the external storage is no longer mounted at this point, 7650 // the caller may not have been able to delete all of this 7651 // packages files and can not delete any more. Bail. 7652 return null; 7653 } 7654 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7655 if (lastPackage != null) { 7656 pkgs.remove(lastPackage); 7657 } 7658 if (pkgs.size() > 0) { 7659 return pkgs.get(0); 7660 } 7661 } 7662 return null; 7663 } 7664 7665 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7666 if (false) { 7667 RuntimeException here = new RuntimeException("here"); 7668 here.fillInStackTrace(); 7669 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7670 + " andCode=" + andCode, here); 7671 } 7672 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7673 userId, andCode ? 1 : 0, packageName)); 7674 } 7675 7676 void startCleaningPackages() { 7677 // reader 7678 synchronized (mPackages) { 7679 if (!isExternalMediaAvailable()) { 7680 return; 7681 } 7682 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7683 return; 7684 } 7685 } 7686 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7687 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7688 IActivityManager am = ActivityManagerNative.getDefault(); 7689 if (am != null) { 7690 try { 7691 am.startService(null, intent, null, UserHandle.USER_OWNER); 7692 } catch (RemoteException e) { 7693 } 7694 } 7695 } 7696 7697 @Override 7698 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7699 int installFlags, String installerPackageName, VerificationParams verificationParams, 7700 String packageAbiOverride) { 7701 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7702 packageAbiOverride, UserHandle.getCallingUserId()); 7703 } 7704 7705 @Override 7706 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7707 int installFlags, String installerPackageName, VerificationParams verificationParams, 7708 String packageAbiOverride, int userId) { 7709 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7710 null); 7711 if (UserHandle.getCallingUserId() != userId) { 7712 mContext.enforceCallingOrSelfPermission( 7713 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7714 "installPackage " + userId); 7715 } 7716 7717 final File originFile = new File(originPath); 7718 final int uid = Binder.getCallingUid(); 7719 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7720 try { 7721 if (observer != null) { 7722 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7723 } 7724 } catch (RemoteException re) { 7725 } 7726 return; 7727 } 7728 7729 UserHandle user; 7730 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7731 user = UserHandle.ALL; 7732 } else { 7733 user = new UserHandle(userId); 7734 } 7735 7736 final int filteredInstallFlags; 7737 if (uid == Process.SHELL_UID || uid == 0) { 7738 if (DEBUG_INSTALL) { 7739 Slog.v(TAG, "Install from ADB"); 7740 } 7741 filteredInstallFlags = installFlags | PackageManager.INSTALL_FROM_ADB; 7742 } else { 7743 filteredInstallFlags = installFlags & ~PackageManager.INSTALL_FROM_ADB; 7744 } 7745 7746 verificationParams.setInstallerUid(uid); 7747 7748 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7749 7750 final Message msg = mHandler.obtainMessage(INIT_COPY); 7751 msg.obj = new InstallParams(origin, observer, filteredInstallFlags, 7752 installerPackageName, verificationParams, user, packageAbiOverride); 7753 mHandler.sendMessage(msg); 7754 } 7755 7756 void installStage(String packageName, File stagedDir, String stagedCid, 7757 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7758 String installerPackageName, int installerUid, UserHandle user) { 7759 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7760 params.referrerUri, installerUid, null); 7761 7762 final OriginInfo origin; 7763 if (stagedDir != null) { 7764 origin = OriginInfo.fromStagedFile(stagedDir); 7765 } else { 7766 origin = OriginInfo.fromStagedContainer(stagedCid); 7767 } 7768 7769 final Message msg = mHandler.obtainMessage(INIT_COPY); 7770 msg.obj = new InstallParams(origin, observer, params.installFlags, 7771 installerPackageName, verifParams, user, params.abiOverride); 7772 mHandler.sendMessage(msg); 7773 } 7774 7775 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7776 Bundle extras = new Bundle(1); 7777 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7778 7779 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7780 packageName, extras, null, null, new int[] {userId}); 7781 try { 7782 IActivityManager am = ActivityManagerNative.getDefault(); 7783 final boolean isSystem = 7784 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7785 if (isSystem && am.isUserRunning(userId, false)) { 7786 // The just-installed/enabled app is bundled on the system, so presumed 7787 // to be able to run automatically without needing an explicit launch. 7788 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7789 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7790 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7791 .setPackage(packageName); 7792 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7793 android.app.AppOpsManager.OP_NONE, false, false, userId); 7794 } 7795 } catch (RemoteException e) { 7796 // shouldn't happen 7797 Slog.w(TAG, "Unable to bootstrap installed package", e); 7798 } 7799 } 7800 7801 @Override 7802 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7803 int userId) { 7804 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7805 PackageSetting pkgSetting; 7806 final int uid = Binder.getCallingUid(); 7807 if (UserHandle.getUserId(uid) != userId) { 7808 mContext.enforceCallingOrSelfPermission( 7809 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7810 "setApplicationHiddenSetting for user " + userId); 7811 } 7812 7813 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7814 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7815 return false; 7816 } 7817 7818 long callingId = Binder.clearCallingIdentity(); 7819 try { 7820 boolean sendAdded = false; 7821 boolean sendRemoved = false; 7822 // writer 7823 synchronized (mPackages) { 7824 pkgSetting = mSettings.mPackages.get(packageName); 7825 if (pkgSetting == null) { 7826 return false; 7827 } 7828 if (pkgSetting.getHidden(userId) != hidden) { 7829 pkgSetting.setHidden(hidden, userId); 7830 mSettings.writePackageRestrictionsLPr(userId); 7831 if (hidden) { 7832 sendRemoved = true; 7833 } else { 7834 sendAdded = true; 7835 } 7836 } 7837 } 7838 if (sendAdded) { 7839 sendPackageAddedForUser(packageName, pkgSetting, userId); 7840 return true; 7841 } 7842 if (sendRemoved) { 7843 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7844 "hiding pkg"); 7845 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 7846 } 7847 } finally { 7848 Binder.restoreCallingIdentity(callingId); 7849 } 7850 return false; 7851 } 7852 7853 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 7854 int userId) { 7855 final PackageRemovedInfo info = new PackageRemovedInfo(); 7856 info.removedPackage = packageName; 7857 info.removedUsers = new int[] {userId}; 7858 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7859 info.sendBroadcast(false, false, false); 7860 } 7861 7862 /** 7863 * Returns true if application is not found or there was an error. Otherwise it returns 7864 * the hidden state of the package for the given user. 7865 */ 7866 @Override 7867 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 7868 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7869 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7870 "getApplicationHidden for user " + userId); 7871 PackageSetting pkgSetting; 7872 long callingId = Binder.clearCallingIdentity(); 7873 try { 7874 // writer 7875 synchronized (mPackages) { 7876 pkgSetting = mSettings.mPackages.get(packageName); 7877 if (pkgSetting == null) { 7878 return true; 7879 } 7880 return pkgSetting.getHidden(userId); 7881 } 7882 } finally { 7883 Binder.restoreCallingIdentity(callingId); 7884 } 7885 } 7886 7887 /** 7888 * @hide 7889 */ 7890 @Override 7891 public int installExistingPackageAsUser(String packageName, int userId) { 7892 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7893 null); 7894 PackageSetting pkgSetting; 7895 final int uid = Binder.getCallingUid(); 7896 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7897 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7898 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7899 } 7900 7901 long callingId = Binder.clearCallingIdentity(); 7902 try { 7903 boolean sendAdded = false; 7904 Bundle extras = new Bundle(1); 7905 7906 // writer 7907 synchronized (mPackages) { 7908 pkgSetting = mSettings.mPackages.get(packageName); 7909 if (pkgSetting == null) { 7910 return PackageManager.INSTALL_FAILED_INVALID_URI; 7911 } 7912 if (!pkgSetting.getInstalled(userId)) { 7913 pkgSetting.setInstalled(true, userId); 7914 pkgSetting.setHidden(false, userId); 7915 mSettings.writePackageRestrictionsLPr(userId); 7916 sendAdded = true; 7917 } 7918 } 7919 7920 if (sendAdded) { 7921 sendPackageAddedForUser(packageName, pkgSetting, userId); 7922 } 7923 } finally { 7924 Binder.restoreCallingIdentity(callingId); 7925 } 7926 7927 return PackageManager.INSTALL_SUCCEEDED; 7928 } 7929 7930 boolean isUserRestricted(int userId, String restrictionKey) { 7931 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7932 if (restrictions.getBoolean(restrictionKey, false)) { 7933 Log.w(TAG, "User is restricted: " + restrictionKey); 7934 return true; 7935 } 7936 return false; 7937 } 7938 7939 @Override 7940 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7941 mContext.enforceCallingOrSelfPermission( 7942 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7943 "Only package verification agents can verify applications"); 7944 7945 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7946 final PackageVerificationResponse response = new PackageVerificationResponse( 7947 verificationCode, Binder.getCallingUid()); 7948 msg.arg1 = id; 7949 msg.obj = response; 7950 mHandler.sendMessage(msg); 7951 } 7952 7953 @Override 7954 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7955 long millisecondsToDelay) { 7956 mContext.enforceCallingOrSelfPermission( 7957 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7958 "Only package verification agents can extend verification timeouts"); 7959 7960 final PackageVerificationState state = mPendingVerification.get(id); 7961 final PackageVerificationResponse response = new PackageVerificationResponse( 7962 verificationCodeAtTimeout, Binder.getCallingUid()); 7963 7964 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7965 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7966 } 7967 if (millisecondsToDelay < 0) { 7968 millisecondsToDelay = 0; 7969 } 7970 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7971 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7972 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7973 } 7974 7975 if ((state != null) && !state.timeoutExtended()) { 7976 state.extendTimeout(); 7977 7978 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7979 msg.arg1 = id; 7980 msg.obj = response; 7981 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7982 } 7983 } 7984 7985 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7986 int verificationCode, UserHandle user) { 7987 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7988 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7989 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7990 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7991 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7992 7993 mContext.sendBroadcastAsUser(intent, user, 7994 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7995 } 7996 7997 private ComponentName matchComponentForVerifier(String packageName, 7998 List<ResolveInfo> receivers) { 7999 ActivityInfo targetReceiver = null; 8000 8001 final int NR = receivers.size(); 8002 for (int i = 0; i < NR; i++) { 8003 final ResolveInfo info = receivers.get(i); 8004 if (info.activityInfo == null) { 8005 continue; 8006 } 8007 8008 if (packageName.equals(info.activityInfo.packageName)) { 8009 targetReceiver = info.activityInfo; 8010 break; 8011 } 8012 } 8013 8014 if (targetReceiver == null) { 8015 return null; 8016 } 8017 8018 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8019 } 8020 8021 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8022 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8023 if (pkgInfo.verifiers.length == 0) { 8024 return null; 8025 } 8026 8027 final int N = pkgInfo.verifiers.length; 8028 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8029 for (int i = 0; i < N; i++) { 8030 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8031 8032 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8033 receivers); 8034 if (comp == null) { 8035 continue; 8036 } 8037 8038 final int verifierUid = getUidForVerifier(verifierInfo); 8039 if (verifierUid == -1) { 8040 continue; 8041 } 8042 8043 if (DEBUG_VERIFY) { 8044 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8045 + " with the correct signature"); 8046 } 8047 sufficientVerifiers.add(comp); 8048 verificationState.addSufficientVerifier(verifierUid); 8049 } 8050 8051 return sufficientVerifiers; 8052 } 8053 8054 private int getUidForVerifier(VerifierInfo verifierInfo) { 8055 synchronized (mPackages) { 8056 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8057 if (pkg == null) { 8058 return -1; 8059 } else if (pkg.mSignatures.length != 1) { 8060 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8061 + " has more than one signature; ignoring"); 8062 return -1; 8063 } 8064 8065 /* 8066 * If the public key of the package's signature does not match 8067 * our expected public key, then this is a different package and 8068 * we should skip. 8069 */ 8070 8071 final byte[] expectedPublicKey; 8072 try { 8073 final Signature verifierSig = pkg.mSignatures[0]; 8074 final PublicKey publicKey = verifierSig.getPublicKey(); 8075 expectedPublicKey = publicKey.getEncoded(); 8076 } catch (CertificateException e) { 8077 return -1; 8078 } 8079 8080 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8081 8082 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8083 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8084 + " does not have the expected public key; ignoring"); 8085 return -1; 8086 } 8087 8088 return pkg.applicationInfo.uid; 8089 } 8090 } 8091 8092 @Override 8093 public void finishPackageInstall(int token) { 8094 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8095 8096 if (DEBUG_INSTALL) { 8097 Slog.v(TAG, "BM finishing package install for " + token); 8098 } 8099 8100 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8101 mHandler.sendMessage(msg); 8102 } 8103 8104 /** 8105 * Get the verification agent timeout. 8106 * 8107 * @return verification timeout in milliseconds 8108 */ 8109 private long getVerificationTimeout() { 8110 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8111 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8112 DEFAULT_VERIFICATION_TIMEOUT); 8113 } 8114 8115 /** 8116 * Get the default verification agent response code. 8117 * 8118 * @return default verification response code 8119 */ 8120 private int getDefaultVerificationResponse() { 8121 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8122 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8123 DEFAULT_VERIFICATION_RESPONSE); 8124 } 8125 8126 /** 8127 * Check whether or not package verification has been enabled. 8128 * 8129 * @return true if verification should be performed 8130 */ 8131 private boolean isVerificationEnabled(int userId, int installFlags) { 8132 if (!DEFAULT_VERIFY_ENABLE) { 8133 return false; 8134 } 8135 8136 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8137 8138 // Check if installing from ADB 8139 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8140 // Do not run verification in a test harness environment 8141 if (ActivityManager.isRunningInTestHarness()) { 8142 return false; 8143 } 8144 if (ensureVerifyAppsEnabled) { 8145 return true; 8146 } 8147 // Check if the developer does not want package verification for ADB installs 8148 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8149 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8150 return false; 8151 } 8152 } 8153 8154 if (ensureVerifyAppsEnabled) { 8155 return true; 8156 } 8157 8158 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8159 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8160 } 8161 8162 /** 8163 * Get the "allow unknown sources" setting. 8164 * 8165 * @return the current "allow unknown sources" setting 8166 */ 8167 private int getUnknownSourcesSettings() { 8168 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8169 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8170 -1); 8171 } 8172 8173 @Override 8174 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8175 final int uid = Binder.getCallingUid(); 8176 // writer 8177 synchronized (mPackages) { 8178 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8179 if (targetPackageSetting == null) { 8180 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8181 } 8182 8183 PackageSetting installerPackageSetting; 8184 if (installerPackageName != null) { 8185 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8186 if (installerPackageSetting == null) { 8187 throw new IllegalArgumentException("Unknown installer package: " 8188 + installerPackageName); 8189 } 8190 } else { 8191 installerPackageSetting = null; 8192 } 8193 8194 Signature[] callerSignature; 8195 Object obj = mSettings.getUserIdLPr(uid); 8196 if (obj != null) { 8197 if (obj instanceof SharedUserSetting) { 8198 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8199 } else if (obj instanceof PackageSetting) { 8200 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8201 } else { 8202 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8203 } 8204 } else { 8205 throw new SecurityException("Unknown calling uid " + uid); 8206 } 8207 8208 // Verify: can't set installerPackageName to a package that is 8209 // not signed with the same cert as the caller. 8210 if (installerPackageSetting != null) { 8211 if (compareSignatures(callerSignature, 8212 installerPackageSetting.signatures.mSignatures) 8213 != PackageManager.SIGNATURE_MATCH) { 8214 throw new SecurityException( 8215 "Caller does not have same cert as new installer package " 8216 + installerPackageName); 8217 } 8218 } 8219 8220 // Verify: if target already has an installer package, it must 8221 // be signed with the same cert as the caller. 8222 if (targetPackageSetting.installerPackageName != null) { 8223 PackageSetting setting = mSettings.mPackages.get( 8224 targetPackageSetting.installerPackageName); 8225 // If the currently set package isn't valid, then it's always 8226 // okay to change it. 8227 if (setting != null) { 8228 if (compareSignatures(callerSignature, 8229 setting.signatures.mSignatures) 8230 != PackageManager.SIGNATURE_MATCH) { 8231 throw new SecurityException( 8232 "Caller does not have same cert as old installer package " 8233 + targetPackageSetting.installerPackageName); 8234 } 8235 } 8236 } 8237 8238 // Okay! 8239 targetPackageSetting.installerPackageName = installerPackageName; 8240 scheduleWriteSettingsLocked(); 8241 } 8242 } 8243 8244 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8245 // Queue up an async operation since the package installation may take a little while. 8246 mHandler.post(new Runnable() { 8247 public void run() { 8248 mHandler.removeCallbacks(this); 8249 // Result object to be returned 8250 PackageInstalledInfo res = new PackageInstalledInfo(); 8251 res.returnCode = currentStatus; 8252 res.uid = -1; 8253 res.pkg = null; 8254 res.removedInfo = new PackageRemovedInfo(); 8255 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8256 args.doPreInstall(res.returnCode); 8257 synchronized (mInstallLock) { 8258 installPackageLI(args, res); 8259 } 8260 args.doPostInstall(res.returnCode, res.uid); 8261 } 8262 8263 // A restore should be performed at this point if (a) the install 8264 // succeeded, (b) the operation is not an update, and (c) the new 8265 // package has not opted out of backup participation. 8266 final boolean update = res.removedInfo.removedPackage != null; 8267 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8268 boolean doRestore = !update 8269 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8270 8271 // Set up the post-install work request bookkeeping. This will be used 8272 // and cleaned up by the post-install event handling regardless of whether 8273 // there's a restore pass performed. Token values are >= 1. 8274 int token; 8275 if (mNextInstallToken < 0) mNextInstallToken = 1; 8276 token = mNextInstallToken++; 8277 8278 PostInstallData data = new PostInstallData(args, res); 8279 mRunningInstalls.put(token, data); 8280 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8281 8282 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8283 // Pass responsibility to the Backup Manager. It will perform a 8284 // restore if appropriate, then pass responsibility back to the 8285 // Package Manager to run the post-install observer callbacks 8286 // and broadcasts. 8287 IBackupManager bm = IBackupManager.Stub.asInterface( 8288 ServiceManager.getService(Context.BACKUP_SERVICE)); 8289 if (bm != null) { 8290 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8291 + " to BM for possible restore"); 8292 try { 8293 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8294 } catch (RemoteException e) { 8295 // can't happen; the backup manager is local 8296 } catch (Exception e) { 8297 Slog.e(TAG, "Exception trying to enqueue restore", e); 8298 doRestore = false; 8299 } 8300 } else { 8301 Slog.e(TAG, "Backup Manager not found!"); 8302 doRestore = false; 8303 } 8304 } 8305 8306 if (!doRestore) { 8307 // No restore possible, or the Backup Manager was mysteriously not 8308 // available -- just fire the post-install work request directly. 8309 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8310 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8311 mHandler.sendMessage(msg); 8312 } 8313 } 8314 }); 8315 } 8316 8317 private abstract class HandlerParams { 8318 private static final int MAX_RETRIES = 4; 8319 8320 /** 8321 * Number of times startCopy() has been attempted and had a non-fatal 8322 * error. 8323 */ 8324 private int mRetries = 0; 8325 8326 /** User handle for the user requesting the information or installation. */ 8327 private final UserHandle mUser; 8328 8329 HandlerParams(UserHandle user) { 8330 mUser = user; 8331 } 8332 8333 UserHandle getUser() { 8334 return mUser; 8335 } 8336 8337 final boolean startCopy() { 8338 boolean res; 8339 try { 8340 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8341 8342 if (++mRetries > MAX_RETRIES) { 8343 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8344 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8345 handleServiceError(); 8346 return false; 8347 } else { 8348 handleStartCopy(); 8349 res = true; 8350 } 8351 } catch (RemoteException e) { 8352 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8353 mHandler.sendEmptyMessage(MCS_RECONNECT); 8354 res = false; 8355 } 8356 handleReturnCode(); 8357 return res; 8358 } 8359 8360 final void serviceError() { 8361 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8362 handleServiceError(); 8363 handleReturnCode(); 8364 } 8365 8366 abstract void handleStartCopy() throws RemoteException; 8367 abstract void handleServiceError(); 8368 abstract void handleReturnCode(); 8369 } 8370 8371 class MeasureParams extends HandlerParams { 8372 private final PackageStats mStats; 8373 private boolean mSuccess; 8374 8375 private final IPackageStatsObserver mObserver; 8376 8377 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8378 super(new UserHandle(stats.userHandle)); 8379 mObserver = observer; 8380 mStats = stats; 8381 } 8382 8383 @Override 8384 public String toString() { 8385 return "MeasureParams{" 8386 + Integer.toHexString(System.identityHashCode(this)) 8387 + " " + mStats.packageName + "}"; 8388 } 8389 8390 @Override 8391 void handleStartCopy() throws RemoteException { 8392 synchronized (mInstallLock) { 8393 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8394 } 8395 8396 if (mSuccess) { 8397 final boolean mounted; 8398 if (Environment.isExternalStorageEmulated()) { 8399 mounted = true; 8400 } else { 8401 final String status = Environment.getExternalStorageState(); 8402 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8403 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8404 } 8405 8406 if (mounted) { 8407 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8408 8409 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8410 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8411 8412 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8413 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8414 8415 // Always subtract cache size, since it's a subdirectory 8416 mStats.externalDataSize -= mStats.externalCacheSize; 8417 8418 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8419 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8420 8421 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8422 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8423 } 8424 } 8425 } 8426 8427 @Override 8428 void handleReturnCode() { 8429 if (mObserver != null) { 8430 try { 8431 mObserver.onGetStatsCompleted(mStats, mSuccess); 8432 } catch (RemoteException e) { 8433 Slog.i(TAG, "Observer no longer exists."); 8434 } 8435 } 8436 } 8437 8438 @Override 8439 void handleServiceError() { 8440 Slog.e(TAG, "Could not measure application " + mStats.packageName 8441 + " external storage"); 8442 } 8443 } 8444 8445 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8446 throws RemoteException { 8447 long result = 0; 8448 for (File path : paths) { 8449 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8450 } 8451 return result; 8452 } 8453 8454 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8455 for (File path : paths) { 8456 try { 8457 mcs.clearDirectory(path.getAbsolutePath()); 8458 } catch (RemoteException e) { 8459 } 8460 } 8461 } 8462 8463 static class OriginInfo { 8464 /** 8465 * Location where install is coming from, before it has been 8466 * copied/renamed into place. This could be a single monolithic APK 8467 * file, or a cluster directory. This location may be untrusted. 8468 */ 8469 final File file; 8470 final String cid; 8471 8472 /** 8473 * Flag indicating that {@link #file} or {@link #cid} has already been 8474 * staged, meaning downstream users don't need to defensively copy the 8475 * contents. 8476 */ 8477 final boolean staged; 8478 8479 /** 8480 * Flag indicating that {@link #file} or {@link #cid} is an already 8481 * installed app that is being moved. 8482 */ 8483 final boolean existing; 8484 8485 final String resolvedPath; 8486 final File resolvedFile; 8487 8488 static OriginInfo fromNothing() { 8489 return new OriginInfo(null, null, false, false); 8490 } 8491 8492 static OriginInfo fromUntrustedFile(File file) { 8493 return new OriginInfo(file, null, false, false); 8494 } 8495 8496 static OriginInfo fromExistingFile(File file) { 8497 return new OriginInfo(file, null, false, true); 8498 } 8499 8500 static OriginInfo fromStagedFile(File file) { 8501 return new OriginInfo(file, null, true, false); 8502 } 8503 8504 static OriginInfo fromStagedContainer(String cid) { 8505 return new OriginInfo(null, cid, true, false); 8506 } 8507 8508 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8509 this.file = file; 8510 this.cid = cid; 8511 this.staged = staged; 8512 this.existing = existing; 8513 8514 if (cid != null) { 8515 resolvedPath = PackageHelper.getSdDir(cid); 8516 resolvedFile = new File(resolvedPath); 8517 } else if (file != null) { 8518 resolvedPath = file.getAbsolutePath(); 8519 resolvedFile = file; 8520 } else { 8521 resolvedPath = null; 8522 resolvedFile = null; 8523 } 8524 } 8525 } 8526 8527 class InstallParams extends HandlerParams { 8528 final OriginInfo origin; 8529 final IPackageInstallObserver2 observer; 8530 int installFlags; 8531 final String installerPackageName; 8532 final VerificationParams verificationParams; 8533 private InstallArgs mArgs; 8534 private int mRet; 8535 final String packageAbiOverride; 8536 8537 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8538 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8539 String packageAbiOverride) { 8540 super(user); 8541 this.origin = origin; 8542 this.observer = observer; 8543 this.installFlags = installFlags; 8544 this.installerPackageName = installerPackageName; 8545 this.verificationParams = verificationParams; 8546 this.packageAbiOverride = packageAbiOverride; 8547 } 8548 8549 @Override 8550 public String toString() { 8551 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8552 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8553 } 8554 8555 public ManifestDigest getManifestDigest() { 8556 if (verificationParams == null) { 8557 return null; 8558 } 8559 return verificationParams.getManifestDigest(); 8560 } 8561 8562 private int installLocationPolicy(PackageInfoLite pkgLite) { 8563 String packageName = pkgLite.packageName; 8564 int installLocation = pkgLite.installLocation; 8565 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8566 // reader 8567 synchronized (mPackages) { 8568 PackageParser.Package pkg = mPackages.get(packageName); 8569 if (pkg != null) { 8570 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8571 // Check for downgrading. 8572 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8573 if (pkgLite.versionCode < pkg.mVersionCode) { 8574 Slog.w(TAG, "Can't install update of " + packageName 8575 + " update version " + pkgLite.versionCode 8576 + " is older than installed version " 8577 + pkg.mVersionCode); 8578 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8579 } 8580 } 8581 // Check for updated system application. 8582 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8583 if (onSd) { 8584 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8585 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8586 } 8587 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8588 } else { 8589 if (onSd) { 8590 // Install flag overrides everything. 8591 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8592 } 8593 // If current upgrade specifies particular preference 8594 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8595 // Application explicitly specified internal. 8596 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8597 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8598 // App explictly prefers external. Let policy decide 8599 } else { 8600 // Prefer previous location 8601 if (isExternal(pkg)) { 8602 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8603 } 8604 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8605 } 8606 } 8607 } else { 8608 // Invalid install. Return error code 8609 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8610 } 8611 } 8612 } 8613 // All the special cases have been taken care of. 8614 // Return result based on recommended install location. 8615 if (onSd) { 8616 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8617 } 8618 return pkgLite.recommendedInstallLocation; 8619 } 8620 8621 /* 8622 * Invoke remote method to get package information and install 8623 * location values. Override install location based on default 8624 * policy if needed and then create install arguments based 8625 * on the install location. 8626 */ 8627 public void handleStartCopy() throws RemoteException { 8628 int ret = PackageManager.INSTALL_SUCCEEDED; 8629 8630 // If we're already staged, we've firmly committed to an install location 8631 if (origin.staged) { 8632 if (origin.file != null) { 8633 installFlags |= PackageManager.INSTALL_INTERNAL; 8634 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8635 } else if (origin.cid != null) { 8636 installFlags |= PackageManager.INSTALL_EXTERNAL; 8637 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8638 } else { 8639 throw new IllegalStateException("Invalid stage location"); 8640 } 8641 } 8642 8643 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8644 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8645 8646 PackageInfoLite pkgLite = null; 8647 8648 if (onInt && onSd) { 8649 // Check if both bits are set. 8650 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8651 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8652 } else { 8653 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8654 packageAbiOverride); 8655 8656 /* 8657 * If we have too little free space, try to free cache 8658 * before giving up. 8659 */ 8660 if (!origin.staged && pkgLite.recommendedInstallLocation 8661 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8662 // TODO: focus freeing disk space on the target device 8663 final StorageManager storage = StorageManager.from(mContext); 8664 final long lowThreshold = storage.getStorageLowBytes( 8665 Environment.getDataDirectory()); 8666 8667 final long sizeBytes = mContainerService.calculateInstalledSize( 8668 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8669 8670 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8671 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8672 installFlags, packageAbiOverride); 8673 } 8674 8675 /* 8676 * The cache free must have deleted the file we 8677 * downloaded to install. 8678 * 8679 * TODO: fix the "freeCache" call to not delete 8680 * the file we care about. 8681 */ 8682 if (pkgLite.recommendedInstallLocation 8683 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8684 pkgLite.recommendedInstallLocation 8685 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8686 } 8687 } 8688 } 8689 8690 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8691 int loc = pkgLite.recommendedInstallLocation; 8692 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8693 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8694 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8695 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8696 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8697 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8698 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8699 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8700 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8701 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8702 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8703 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8704 } else { 8705 // Override with defaults if needed. 8706 loc = installLocationPolicy(pkgLite); 8707 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8708 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8709 } else if (!onSd && !onInt) { 8710 // Override install location with flags 8711 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8712 // Set the flag to install on external media. 8713 installFlags |= PackageManager.INSTALL_EXTERNAL; 8714 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8715 } else { 8716 // Make sure the flag for installing on external 8717 // media is unset 8718 installFlags |= PackageManager.INSTALL_INTERNAL; 8719 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8720 } 8721 } 8722 } 8723 } 8724 8725 final InstallArgs args = createInstallArgs(this); 8726 mArgs = args; 8727 8728 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8729 /* 8730 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8731 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8732 */ 8733 int userIdentifier = getUser().getIdentifier(); 8734 if (userIdentifier == UserHandle.USER_ALL 8735 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8736 userIdentifier = UserHandle.USER_OWNER; 8737 } 8738 8739 /* 8740 * Determine if we have any installed package verifiers. If we 8741 * do, then we'll defer to them to verify the packages. 8742 */ 8743 final int requiredUid = mRequiredVerifierPackage == null ? -1 8744 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8745 if (!origin.existing && requiredUid != -1 8746 && isVerificationEnabled(userIdentifier, installFlags)) { 8747 final Intent verification = new Intent( 8748 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8749 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8750 PACKAGE_MIME_TYPE); 8751 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8752 8753 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8754 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8755 0 /* TODO: Which userId? */); 8756 8757 if (DEBUG_VERIFY) { 8758 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8759 + verification.toString() + " with " + pkgLite.verifiers.length 8760 + " optional verifiers"); 8761 } 8762 8763 final int verificationId = mPendingVerificationToken++; 8764 8765 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8766 8767 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8768 installerPackageName); 8769 8770 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8771 installFlags); 8772 8773 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8774 pkgLite.packageName); 8775 8776 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8777 pkgLite.versionCode); 8778 8779 if (verificationParams != null) { 8780 if (verificationParams.getVerificationURI() != null) { 8781 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8782 verificationParams.getVerificationURI()); 8783 } 8784 if (verificationParams.getOriginatingURI() != null) { 8785 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8786 verificationParams.getOriginatingURI()); 8787 } 8788 if (verificationParams.getReferrer() != null) { 8789 verification.putExtra(Intent.EXTRA_REFERRER, 8790 verificationParams.getReferrer()); 8791 } 8792 if (verificationParams.getOriginatingUid() >= 0) { 8793 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8794 verificationParams.getOriginatingUid()); 8795 } 8796 if (verificationParams.getInstallerUid() >= 0) { 8797 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8798 verificationParams.getInstallerUid()); 8799 } 8800 } 8801 8802 final PackageVerificationState verificationState = new PackageVerificationState( 8803 requiredUid, args); 8804 8805 mPendingVerification.append(verificationId, verificationState); 8806 8807 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8808 receivers, verificationState); 8809 8810 /* 8811 * If any sufficient verifiers were listed in the package 8812 * manifest, attempt to ask them. 8813 */ 8814 if (sufficientVerifiers != null) { 8815 final int N = sufficientVerifiers.size(); 8816 if (N == 0) { 8817 Slog.i(TAG, "Additional verifiers required, but none installed."); 8818 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8819 } else { 8820 for (int i = 0; i < N; i++) { 8821 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8822 8823 final Intent sufficientIntent = new Intent(verification); 8824 sufficientIntent.setComponent(verifierComponent); 8825 8826 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8827 } 8828 } 8829 } 8830 8831 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8832 mRequiredVerifierPackage, receivers); 8833 if (ret == PackageManager.INSTALL_SUCCEEDED 8834 && mRequiredVerifierPackage != null) { 8835 /* 8836 * Send the intent to the required verification agent, 8837 * but only start the verification timeout after the 8838 * target BroadcastReceivers have run. 8839 */ 8840 verification.setComponent(requiredVerifierComponent); 8841 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8842 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8843 new BroadcastReceiver() { 8844 @Override 8845 public void onReceive(Context context, Intent intent) { 8846 final Message msg = mHandler 8847 .obtainMessage(CHECK_PENDING_VERIFICATION); 8848 msg.arg1 = verificationId; 8849 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8850 } 8851 }, null, 0, null, null); 8852 8853 /* 8854 * We don't want the copy to proceed until verification 8855 * succeeds, so null out this field. 8856 */ 8857 mArgs = null; 8858 } 8859 } else { 8860 /* 8861 * No package verification is enabled, so immediately start 8862 * the remote call to initiate copy using temporary file. 8863 */ 8864 ret = args.copyApk(mContainerService, true); 8865 } 8866 } 8867 8868 mRet = ret; 8869 } 8870 8871 @Override 8872 void handleReturnCode() { 8873 // If mArgs is null, then MCS couldn't be reached. When it 8874 // reconnects, it will try again to install. At that point, this 8875 // will succeed. 8876 if (mArgs != null) { 8877 processPendingInstall(mArgs, mRet); 8878 } 8879 } 8880 8881 @Override 8882 void handleServiceError() { 8883 mArgs = createInstallArgs(this); 8884 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8885 } 8886 8887 public boolean isForwardLocked() { 8888 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8889 } 8890 } 8891 8892 /** 8893 * Used during creation of InstallArgs 8894 * 8895 * @param installFlags package installation flags 8896 * @return true if should be installed on external storage 8897 */ 8898 private static boolean installOnSd(int installFlags) { 8899 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 8900 return false; 8901 } 8902 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 8903 return true; 8904 } 8905 return false; 8906 } 8907 8908 /** 8909 * Used during creation of InstallArgs 8910 * 8911 * @param installFlags package installation flags 8912 * @return true if should be installed as forward locked 8913 */ 8914 private static boolean installForwardLocked(int installFlags) { 8915 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8916 } 8917 8918 private InstallArgs createInstallArgs(InstallParams params) { 8919 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 8920 return new AsecInstallArgs(params); 8921 } else { 8922 return new FileInstallArgs(params); 8923 } 8924 } 8925 8926 /** 8927 * Create args that describe an existing installed package. Typically used 8928 * when cleaning up old installs, or used as a move source. 8929 */ 8930 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 8931 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 8932 final boolean isInAsec; 8933 if (installOnSd(installFlags)) { 8934 /* Apps on SD card are always in ASEC containers. */ 8935 isInAsec = true; 8936 } else if (installForwardLocked(installFlags) 8937 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8938 /* 8939 * Forward-locked apps are only in ASEC containers if they're the 8940 * new style 8941 */ 8942 isInAsec = true; 8943 } else { 8944 isInAsec = false; 8945 } 8946 8947 if (isInAsec) { 8948 return new AsecInstallArgs(codePath, instructionSets, 8949 installOnSd(installFlags), installForwardLocked(installFlags)); 8950 } else { 8951 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 8952 instructionSets); 8953 } 8954 } 8955 8956 static abstract class InstallArgs { 8957 /** @see InstallParams#origin */ 8958 final OriginInfo origin; 8959 8960 final IPackageInstallObserver2 observer; 8961 // Always refers to PackageManager flags only 8962 final int installFlags; 8963 final String installerPackageName; 8964 final ManifestDigest manifestDigest; 8965 final UserHandle user; 8966 final String abiOverride; 8967 8968 // The list of instruction sets supported by this app. This is currently 8969 // only used during the rmdex() phase to clean up resources. We can get rid of this 8970 // if we move dex files under the common app path. 8971 /* nullable */ String[] instructionSets; 8972 8973 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8974 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 8975 String[] instructionSets, String abiOverride) { 8976 this.origin = origin; 8977 this.installFlags = installFlags; 8978 this.observer = observer; 8979 this.installerPackageName = installerPackageName; 8980 this.manifestDigest = manifestDigest; 8981 this.user = user; 8982 this.instructionSets = instructionSets; 8983 this.abiOverride = abiOverride; 8984 } 8985 8986 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8987 abstract int doPreInstall(int status); 8988 8989 /** 8990 * Rename package into final resting place. All paths on the given 8991 * scanned package should be updated to reflect the rename. 8992 */ 8993 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 8994 abstract int doPostInstall(int status, int uid); 8995 8996 /** @see PackageSettingBase#codePathString */ 8997 abstract String getCodePath(); 8998 /** @see PackageSettingBase#resourcePathString */ 8999 abstract String getResourcePath(); 9000 abstract String getLegacyNativeLibraryPath(); 9001 9002 // Need installer lock especially for dex file removal. 9003 abstract void cleanUpResourcesLI(); 9004 abstract boolean doPostDeleteLI(boolean delete); 9005 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9006 9007 /** 9008 * Called before the source arguments are copied. This is used mostly 9009 * for MoveParams when it needs to read the source file to put it in the 9010 * destination. 9011 */ 9012 int doPreCopy() { 9013 return PackageManager.INSTALL_SUCCEEDED; 9014 } 9015 9016 /** 9017 * Called after the source arguments are copied. This is used mostly for 9018 * MoveParams when it needs to read the source file to put it in the 9019 * destination. 9020 * 9021 * @return 9022 */ 9023 int doPostCopy(int uid) { 9024 return PackageManager.INSTALL_SUCCEEDED; 9025 } 9026 9027 protected boolean isFwdLocked() { 9028 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9029 } 9030 9031 protected boolean isExternal() { 9032 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9033 } 9034 9035 UserHandle getUser() { 9036 return user; 9037 } 9038 } 9039 9040 /** 9041 * Logic to handle installation of non-ASEC applications, including copying 9042 * and renaming logic. 9043 */ 9044 class FileInstallArgs extends InstallArgs { 9045 private File codeFile; 9046 private File resourceFile; 9047 private File legacyNativeLibraryPath; 9048 9049 // Example topology: 9050 // /data/app/com.example/base.apk 9051 // /data/app/com.example/split_foo.apk 9052 // /data/app/com.example/lib/arm/libfoo.so 9053 // /data/app/com.example/lib/arm64/libfoo.so 9054 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9055 9056 /** New install */ 9057 FileInstallArgs(InstallParams params) { 9058 super(params.origin, params.observer, params.installFlags, 9059 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9060 null /* instruction sets */, params.packageAbiOverride); 9061 if (isFwdLocked()) { 9062 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9063 } 9064 } 9065 9066 /** Existing install */ 9067 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9068 String[] instructionSets) { 9069 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9070 this.codeFile = (codePath != null) ? new File(codePath) : null; 9071 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9072 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9073 new File(legacyNativeLibraryPath) : null; 9074 } 9075 9076 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9077 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9078 isFwdLocked(), abiOverride); 9079 9080 final StorageManager storage = StorageManager.from(mContext); 9081 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9082 } 9083 9084 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9085 if (origin.staged) { 9086 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9087 codeFile = origin.file; 9088 resourceFile = origin.file; 9089 return PackageManager.INSTALL_SUCCEEDED; 9090 } 9091 9092 try { 9093 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9094 codeFile = tempDir; 9095 resourceFile = tempDir; 9096 } catch (IOException e) { 9097 Slog.w(TAG, "Failed to create copy file: " + e); 9098 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9099 } 9100 9101 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9102 @Override 9103 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9104 if (!FileUtils.isValidExtFilename(name)) { 9105 throw new IllegalArgumentException("Invalid filename: " + name); 9106 } 9107 try { 9108 final File file = new File(codeFile, name); 9109 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9110 O_RDWR | O_CREAT, 0644); 9111 Os.chmod(file.getAbsolutePath(), 0644); 9112 return new ParcelFileDescriptor(fd); 9113 } catch (ErrnoException e) { 9114 throw new RemoteException("Failed to open: " + e.getMessage()); 9115 } 9116 } 9117 }; 9118 9119 int ret = PackageManager.INSTALL_SUCCEEDED; 9120 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9121 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9122 Slog.e(TAG, "Failed to copy package"); 9123 return ret; 9124 } 9125 9126 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9127 NativeLibraryHelper.Handle handle = null; 9128 try { 9129 handle = NativeLibraryHelper.Handle.create(codeFile); 9130 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9131 abiOverride); 9132 } catch (IOException e) { 9133 Slog.e(TAG, "Copying native libraries failed", e); 9134 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9135 } finally { 9136 IoUtils.closeQuietly(handle); 9137 } 9138 9139 return ret; 9140 } 9141 9142 int doPreInstall(int status) { 9143 if (status != PackageManager.INSTALL_SUCCEEDED) { 9144 cleanUp(); 9145 } 9146 return status; 9147 } 9148 9149 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9150 if (status != PackageManager.INSTALL_SUCCEEDED) { 9151 cleanUp(); 9152 return false; 9153 } else { 9154 final File beforeCodeFile = codeFile; 9155 final File afterCodeFile = getNextCodePath(pkg.packageName); 9156 9157 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9158 try { 9159 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9160 } catch (ErrnoException e) { 9161 Slog.d(TAG, "Failed to rename", e); 9162 return false; 9163 } 9164 9165 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9166 Slog.d(TAG, "Failed to restorecon"); 9167 return false; 9168 } 9169 9170 // Reflect the rename internally 9171 codeFile = afterCodeFile; 9172 resourceFile = afterCodeFile; 9173 9174 // Reflect the rename in scanned details 9175 pkg.codePath = afterCodeFile.getAbsolutePath(); 9176 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9177 pkg.baseCodePath); 9178 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9179 pkg.splitCodePaths); 9180 9181 // Reflect the rename in app info 9182 pkg.applicationInfo.setCodePath(pkg.codePath); 9183 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9184 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9185 pkg.applicationInfo.setResourcePath(pkg.codePath); 9186 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9187 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9188 9189 return true; 9190 } 9191 } 9192 9193 int doPostInstall(int status, int uid) { 9194 if (status != PackageManager.INSTALL_SUCCEEDED) { 9195 cleanUp(); 9196 } 9197 return status; 9198 } 9199 9200 @Override 9201 String getCodePath() { 9202 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9203 } 9204 9205 @Override 9206 String getResourcePath() { 9207 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9208 } 9209 9210 @Override 9211 String getLegacyNativeLibraryPath() { 9212 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9213 } 9214 9215 private boolean cleanUp() { 9216 if (codeFile == null || !codeFile.exists()) { 9217 return false; 9218 } 9219 9220 if (codeFile.isDirectory()) { 9221 FileUtils.deleteContents(codeFile); 9222 } 9223 codeFile.delete(); 9224 9225 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9226 resourceFile.delete(); 9227 } 9228 9229 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9230 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9231 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9232 } 9233 legacyNativeLibraryPath.delete(); 9234 } 9235 9236 return true; 9237 } 9238 9239 void cleanUpResourcesLI() { 9240 // Try enumerating all code paths before deleting 9241 List<String> allCodePaths = Collections.EMPTY_LIST; 9242 if (codeFile != null && codeFile.exists()) { 9243 try { 9244 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9245 allCodePaths = pkg.getAllCodePaths(); 9246 } catch (PackageParserException e) { 9247 // Ignored; we tried our best 9248 } 9249 } 9250 9251 cleanUp(); 9252 9253 if (!allCodePaths.isEmpty()) { 9254 if (instructionSets == null) { 9255 throw new IllegalStateException("instructionSet == null"); 9256 } 9257 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9258 for (String codePath : allCodePaths) { 9259 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9260 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9261 if (retCode < 0) { 9262 Slog.w(TAG, "Couldn't remove dex file for package: " 9263 + " at location " + codePath + ", retcode=" + retCode); 9264 // we don't consider this to be a failure of the core package deletion 9265 } 9266 } 9267 } 9268 } 9269 } 9270 9271 boolean doPostDeleteLI(boolean delete) { 9272 // XXX err, shouldn't we respect the delete flag? 9273 cleanUpResourcesLI(); 9274 return true; 9275 } 9276 } 9277 9278 private boolean isAsecExternal(String cid) { 9279 final String asecPath = PackageHelper.getSdFilesystem(cid); 9280 return !asecPath.startsWith(mAsecInternalPath); 9281 } 9282 9283 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9284 PackageManagerException { 9285 if (copyRet < 0) { 9286 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9287 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9288 throw new PackageManagerException(copyRet, message); 9289 } 9290 } 9291 } 9292 9293 /** 9294 * Extract the MountService "container ID" from the full code path of an 9295 * .apk. 9296 */ 9297 static String cidFromCodePath(String fullCodePath) { 9298 int eidx = fullCodePath.lastIndexOf("/"); 9299 String subStr1 = fullCodePath.substring(0, eidx); 9300 int sidx = subStr1.lastIndexOf("/"); 9301 return subStr1.substring(sidx+1, eidx); 9302 } 9303 9304 /** 9305 * Logic to handle installation of ASEC applications, including copying and 9306 * renaming logic. 9307 */ 9308 class AsecInstallArgs extends InstallArgs { 9309 static final String RES_FILE_NAME = "pkg.apk"; 9310 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9311 9312 String cid; 9313 String packagePath; 9314 String resourcePath; 9315 String legacyNativeLibraryDir; 9316 9317 /** New install */ 9318 AsecInstallArgs(InstallParams params) { 9319 super(params.origin, params.observer, params.installFlags, 9320 params.installerPackageName, params.getManifestDigest(), 9321 params.getUser(), null /* instruction sets */, 9322 params.packageAbiOverride); 9323 } 9324 9325 /** Existing install */ 9326 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9327 boolean isExternal, boolean isForwardLocked) { 9328 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9329 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9330 instructionSets, null); 9331 // Hackily pretend we're still looking at a full code path 9332 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9333 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9334 } 9335 9336 // Extract cid from fullCodePath 9337 int eidx = fullCodePath.lastIndexOf("/"); 9338 String subStr1 = fullCodePath.substring(0, eidx); 9339 int sidx = subStr1.lastIndexOf("/"); 9340 cid = subStr1.substring(sidx+1, eidx); 9341 setMountPath(subStr1); 9342 } 9343 9344 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9345 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9346 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9347 instructionSets, null); 9348 this.cid = cid; 9349 setMountPath(PackageHelper.getSdDir(cid)); 9350 } 9351 9352 void createCopyFile() { 9353 cid = mInstallerService.allocateExternalStageCidLegacy(); 9354 } 9355 9356 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9357 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9358 abiOverride); 9359 9360 final File target; 9361 if (isExternal()) { 9362 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9363 } else { 9364 target = Environment.getDataDirectory(); 9365 } 9366 9367 final StorageManager storage = StorageManager.from(mContext); 9368 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9369 } 9370 9371 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9372 if (origin.staged) { 9373 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9374 cid = origin.cid; 9375 setMountPath(PackageHelper.getSdDir(cid)); 9376 return PackageManager.INSTALL_SUCCEEDED; 9377 } 9378 9379 if (temp) { 9380 createCopyFile(); 9381 } else { 9382 /* 9383 * Pre-emptively destroy the container since it's destroyed if 9384 * copying fails due to it existing anyway. 9385 */ 9386 PackageHelper.destroySdDir(cid); 9387 } 9388 9389 final String newMountPath = imcs.copyPackageToContainer( 9390 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9391 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9392 9393 if (newMountPath != null) { 9394 setMountPath(newMountPath); 9395 return PackageManager.INSTALL_SUCCEEDED; 9396 } else { 9397 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9398 } 9399 } 9400 9401 @Override 9402 String getCodePath() { 9403 return packagePath; 9404 } 9405 9406 @Override 9407 String getResourcePath() { 9408 return resourcePath; 9409 } 9410 9411 @Override 9412 String getLegacyNativeLibraryPath() { 9413 return legacyNativeLibraryDir; 9414 } 9415 9416 int doPreInstall(int status) { 9417 if (status != PackageManager.INSTALL_SUCCEEDED) { 9418 // Destroy container 9419 PackageHelper.destroySdDir(cid); 9420 } else { 9421 boolean mounted = PackageHelper.isContainerMounted(cid); 9422 if (!mounted) { 9423 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9424 Process.SYSTEM_UID); 9425 if (newMountPath != null) { 9426 setMountPath(newMountPath); 9427 } else { 9428 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9429 } 9430 } 9431 } 9432 return status; 9433 } 9434 9435 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9436 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9437 String newMountPath = null; 9438 if (PackageHelper.isContainerMounted(cid)) { 9439 // Unmount the container 9440 if (!PackageHelper.unMountSdDir(cid)) { 9441 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9442 return false; 9443 } 9444 } 9445 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9446 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9447 " which might be stale. Will try to clean up."); 9448 // Clean up the stale container and proceed to recreate. 9449 if (!PackageHelper.destroySdDir(newCacheId)) { 9450 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9451 return false; 9452 } 9453 // Successfully cleaned up stale container. Try to rename again. 9454 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9455 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9456 + " inspite of cleaning it up."); 9457 return false; 9458 } 9459 } 9460 if (!PackageHelper.isContainerMounted(newCacheId)) { 9461 Slog.w(TAG, "Mounting container " + newCacheId); 9462 newMountPath = PackageHelper.mountSdDir(newCacheId, 9463 getEncryptKey(), Process.SYSTEM_UID); 9464 } else { 9465 newMountPath = PackageHelper.getSdDir(newCacheId); 9466 } 9467 if (newMountPath == null) { 9468 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9469 return false; 9470 } 9471 Log.i(TAG, "Succesfully renamed " + cid + 9472 " to " + newCacheId + 9473 " at new path: " + newMountPath); 9474 cid = newCacheId; 9475 9476 final File beforeCodeFile = new File(packagePath); 9477 setMountPath(newMountPath); 9478 final File afterCodeFile = new File(packagePath); 9479 9480 // Reflect the rename in scanned details 9481 pkg.codePath = afterCodeFile.getAbsolutePath(); 9482 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9483 pkg.baseCodePath); 9484 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9485 pkg.splitCodePaths); 9486 9487 // Reflect the rename in app info 9488 pkg.applicationInfo.setCodePath(pkg.codePath); 9489 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9490 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9491 pkg.applicationInfo.setResourcePath(pkg.codePath); 9492 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9493 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9494 9495 return true; 9496 } 9497 9498 private void setMountPath(String mountPath) { 9499 final File mountFile = new File(mountPath); 9500 9501 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9502 if (monolithicFile.exists()) { 9503 packagePath = monolithicFile.getAbsolutePath(); 9504 if (isFwdLocked()) { 9505 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9506 } else { 9507 resourcePath = packagePath; 9508 } 9509 } else { 9510 packagePath = mountFile.getAbsolutePath(); 9511 resourcePath = packagePath; 9512 } 9513 9514 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9515 } 9516 9517 int doPostInstall(int status, int uid) { 9518 if (status != PackageManager.INSTALL_SUCCEEDED) { 9519 cleanUp(); 9520 } else { 9521 final int groupOwner; 9522 final String protectedFile; 9523 if (isFwdLocked()) { 9524 groupOwner = UserHandle.getSharedAppGid(uid); 9525 protectedFile = RES_FILE_NAME; 9526 } else { 9527 groupOwner = -1; 9528 protectedFile = null; 9529 } 9530 9531 if (uid < Process.FIRST_APPLICATION_UID 9532 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9533 Slog.e(TAG, "Failed to finalize " + cid); 9534 PackageHelper.destroySdDir(cid); 9535 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9536 } 9537 9538 boolean mounted = PackageHelper.isContainerMounted(cid); 9539 if (!mounted) { 9540 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9541 } 9542 } 9543 return status; 9544 } 9545 9546 private void cleanUp() { 9547 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9548 9549 // Destroy secure container 9550 PackageHelper.destroySdDir(cid); 9551 } 9552 9553 private List<String> getAllCodePaths() { 9554 final File codeFile = new File(getCodePath()); 9555 if (codeFile != null && codeFile.exists()) { 9556 try { 9557 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9558 return pkg.getAllCodePaths(); 9559 } catch (PackageParserException e) { 9560 // Ignored; we tried our best 9561 } 9562 } 9563 return Collections.EMPTY_LIST; 9564 } 9565 9566 void cleanUpResourcesLI() { 9567 // Enumerate all code paths before deleting 9568 cleanUpResourcesLI(getAllCodePaths()); 9569 } 9570 9571 private void cleanUpResourcesLI(List<String> allCodePaths) { 9572 cleanUp(); 9573 9574 if (!allCodePaths.isEmpty()) { 9575 if (instructionSets == null) { 9576 throw new IllegalStateException("instructionSet == null"); 9577 } 9578 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9579 for (String codePath : allCodePaths) { 9580 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9581 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9582 if (retCode < 0) { 9583 Slog.w(TAG, "Couldn't remove dex file for package: " 9584 + " at location " + codePath + ", retcode=" + retCode); 9585 // we don't consider this to be a failure of the core package deletion 9586 } 9587 } 9588 } 9589 } 9590 } 9591 9592 boolean matchContainer(String app) { 9593 if (cid.startsWith(app)) { 9594 return true; 9595 } 9596 return false; 9597 } 9598 9599 String getPackageName() { 9600 return getAsecPackageName(cid); 9601 } 9602 9603 boolean doPostDeleteLI(boolean delete) { 9604 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9605 final List<String> allCodePaths = getAllCodePaths(); 9606 boolean mounted = PackageHelper.isContainerMounted(cid); 9607 if (mounted) { 9608 // Unmount first 9609 if (PackageHelper.unMountSdDir(cid)) { 9610 mounted = false; 9611 } 9612 } 9613 if (!mounted && delete) { 9614 cleanUpResourcesLI(allCodePaths); 9615 } 9616 return !mounted; 9617 } 9618 9619 @Override 9620 int doPreCopy() { 9621 if (isFwdLocked()) { 9622 if (!PackageHelper.fixSdPermissions(cid, 9623 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9624 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9625 } 9626 } 9627 9628 return PackageManager.INSTALL_SUCCEEDED; 9629 } 9630 9631 @Override 9632 int doPostCopy(int uid) { 9633 if (isFwdLocked()) { 9634 if (uid < Process.FIRST_APPLICATION_UID 9635 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9636 RES_FILE_NAME)) { 9637 Slog.e(TAG, "Failed to finalize " + cid); 9638 PackageHelper.destroySdDir(cid); 9639 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9640 } 9641 } 9642 9643 return PackageManager.INSTALL_SUCCEEDED; 9644 } 9645 } 9646 9647 static String getAsecPackageName(String packageCid) { 9648 int idx = packageCid.lastIndexOf("-"); 9649 if (idx == -1) { 9650 return packageCid; 9651 } 9652 return packageCid.substring(0, idx); 9653 } 9654 9655 // Utility method used to create code paths based on package name and available index. 9656 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9657 String idxStr = ""; 9658 int idx = 1; 9659 // Fall back to default value of idx=1 if prefix is not 9660 // part of oldCodePath 9661 if (oldCodePath != null) { 9662 String subStr = oldCodePath; 9663 // Drop the suffix right away 9664 if (suffix != null && subStr.endsWith(suffix)) { 9665 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9666 } 9667 // If oldCodePath already contains prefix find out the 9668 // ending index to either increment or decrement. 9669 int sidx = subStr.lastIndexOf(prefix); 9670 if (sidx != -1) { 9671 subStr = subStr.substring(sidx + prefix.length()); 9672 if (subStr != null) { 9673 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9674 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9675 } 9676 try { 9677 idx = Integer.parseInt(subStr); 9678 if (idx <= 1) { 9679 idx++; 9680 } else { 9681 idx--; 9682 } 9683 } catch(NumberFormatException e) { 9684 } 9685 } 9686 } 9687 } 9688 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9689 return prefix + idxStr; 9690 } 9691 9692 private File getNextCodePath(String packageName) { 9693 int suffix = 1; 9694 File result; 9695 do { 9696 result = new File(mAppInstallDir, packageName + "-" + suffix); 9697 suffix++; 9698 } while (result.exists()); 9699 return result; 9700 } 9701 9702 // Utility method used to ignore ADD/REMOVE events 9703 // by directory observer. 9704 private static boolean ignoreCodePath(String fullPathStr) { 9705 String apkName = deriveCodePathName(fullPathStr); 9706 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9707 if (idx != -1 && ((idx+1) < apkName.length())) { 9708 // Make sure the package ends with a numeral 9709 String version = apkName.substring(idx+1); 9710 try { 9711 Integer.parseInt(version); 9712 return true; 9713 } catch (NumberFormatException e) {} 9714 } 9715 return false; 9716 } 9717 9718 // Utility method that returns the relative package path with respect 9719 // to the installation directory. Like say for /data/data/com.test-1.apk 9720 // string com.test-1 is returned. 9721 static String deriveCodePathName(String codePath) { 9722 if (codePath == null) { 9723 return null; 9724 } 9725 final File codeFile = new File(codePath); 9726 final String name = codeFile.getName(); 9727 if (codeFile.isDirectory()) { 9728 return name; 9729 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9730 final int lastDot = name.lastIndexOf('.'); 9731 return name.substring(0, lastDot); 9732 } else { 9733 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9734 return null; 9735 } 9736 } 9737 9738 class PackageInstalledInfo { 9739 String name; 9740 int uid; 9741 // The set of users that originally had this package installed. 9742 int[] origUsers; 9743 // The set of users that now have this package installed. 9744 int[] newUsers; 9745 PackageParser.Package pkg; 9746 int returnCode; 9747 String returnMsg; 9748 PackageRemovedInfo removedInfo; 9749 9750 public void setError(int code, String msg) { 9751 returnCode = code; 9752 returnMsg = msg; 9753 Slog.w(TAG, msg); 9754 } 9755 9756 public void setError(String msg, PackageParserException e) { 9757 returnCode = e.error; 9758 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9759 Slog.w(TAG, msg, e); 9760 } 9761 9762 public void setError(String msg, PackageManagerException e) { 9763 returnCode = e.error; 9764 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9765 Slog.w(TAG, msg, e); 9766 } 9767 9768 // In some error cases we want to convey more info back to the observer 9769 String origPackage; 9770 String origPermission; 9771 } 9772 9773 /* 9774 * Install a non-existing package. 9775 */ 9776 private void installNewPackageLI(PackageParser.Package pkg, 9777 int parseFlags, int scanFlags, UserHandle user, 9778 String installerPackageName, PackageInstalledInfo res) { 9779 // Remember this for later, in case we need to rollback this install 9780 String pkgName = pkg.packageName; 9781 9782 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9783 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9784 synchronized(mPackages) { 9785 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9786 // A package with the same name is already installed, though 9787 // it has been renamed to an older name. The package we 9788 // are trying to install should be installed as an update to 9789 // the existing one, but that has not been requested, so bail. 9790 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9791 + " without first uninstalling package running as " 9792 + mSettings.mRenamedPackages.get(pkgName)); 9793 return; 9794 } 9795 if (mPackages.containsKey(pkgName)) { 9796 // Don't allow installation over an existing package with the same name. 9797 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9798 + " without first uninstalling."); 9799 return; 9800 } 9801 } 9802 9803 try { 9804 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9805 System.currentTimeMillis(), user); 9806 9807 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9808 // delete the partially installed application. the data directory will have to be 9809 // restored if it was already existing 9810 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9811 // remove package from internal structures. Note that we want deletePackageX to 9812 // delete the package data and cache directories that it created in 9813 // scanPackageLocked, unless those directories existed before we even tried to 9814 // install. 9815 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9816 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9817 res.removedInfo, true); 9818 } 9819 9820 } catch (PackageManagerException e) { 9821 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9822 } 9823 } 9824 9825 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9826 // Upgrade keysets are being used. Determine if new package has a superset of the 9827 // required keys. 9828 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9829 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9830 for (int i = 0; i < upgradeKeySets.length; i++) { 9831 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 9832 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 9833 return true; 9834 } 9835 } 9836 return false; 9837 } 9838 9839 private void replacePackageLI(PackageParser.Package pkg, 9840 int parseFlags, int scanFlags, UserHandle user, 9841 String installerPackageName, PackageInstalledInfo res) { 9842 PackageParser.Package oldPackage; 9843 String pkgName = pkg.packageName; 9844 int[] allUsers; 9845 boolean[] perUserInstalled; 9846 9847 // First find the old package info and check signatures 9848 synchronized(mPackages) { 9849 oldPackage = mPackages.get(pkgName); 9850 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9851 PackageSetting ps = mSettings.mPackages.get(pkgName); 9852 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9853 // default to original signature matching 9854 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9855 != PackageManager.SIGNATURE_MATCH) { 9856 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9857 "New package has a different signature: " + pkgName); 9858 return; 9859 } 9860 } else { 9861 if(!checkUpgradeKeySetLP(ps, pkg)) { 9862 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9863 "New package not signed by keys specified by upgrade-keysets: " 9864 + pkgName); 9865 return; 9866 } 9867 } 9868 9869 // In case of rollback, remember per-user/profile install state 9870 allUsers = sUserManager.getUserIds(); 9871 perUserInstalled = new boolean[allUsers.length]; 9872 for (int i = 0; i < allUsers.length; i++) { 9873 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9874 } 9875 } 9876 9877 boolean sysPkg = (isSystemApp(oldPackage)); 9878 if (sysPkg) { 9879 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9880 user, allUsers, perUserInstalled, installerPackageName, res); 9881 } else { 9882 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 9883 user, allUsers, perUserInstalled, installerPackageName, res); 9884 } 9885 } 9886 9887 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9888 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 9889 int[] allUsers, boolean[] perUserInstalled, 9890 String installerPackageName, PackageInstalledInfo res) { 9891 String pkgName = deletedPackage.packageName; 9892 boolean deletedPkg = true; 9893 boolean updatedSettings = false; 9894 9895 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9896 + deletedPackage); 9897 long origUpdateTime; 9898 if (pkg.mExtras != null) { 9899 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9900 } else { 9901 origUpdateTime = 0; 9902 } 9903 9904 // First delete the existing package while retaining the data directory 9905 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9906 res.removedInfo, true)) { 9907 // If the existing package wasn't successfully deleted 9908 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 9909 deletedPkg = false; 9910 } else { 9911 // Successfully deleted the old package; proceed with replace. 9912 9913 // If deleted package lived in a container, give users a chance to 9914 // relinquish resources before killing. 9915 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 9916 if (DEBUG_INSTALL) { 9917 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 9918 } 9919 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 9920 final ArrayList<String> pkgList = new ArrayList<String>(1); 9921 pkgList.add(deletedPackage.applicationInfo.packageName); 9922 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 9923 } 9924 9925 deleteCodeCacheDirsLI(pkgName); 9926 try { 9927 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 9928 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 9929 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9930 updatedSettings = true; 9931 } catch (PackageManagerException e) { 9932 res.setError("Package couldn't be installed in " + pkg.codePath, e); 9933 } 9934 } 9935 9936 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9937 // remove package from internal structures. Note that we want deletePackageX to 9938 // delete the package data and cache directories that it created in 9939 // scanPackageLocked, unless those directories existed before we even tried to 9940 // install. 9941 if(updatedSettings) { 9942 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9943 deletePackageLI( 9944 pkgName, null, true, allUsers, perUserInstalled, 9945 PackageManager.DELETE_KEEP_DATA, 9946 res.removedInfo, true); 9947 } 9948 // Since we failed to install the new package we need to restore the old 9949 // package that we deleted. 9950 if (deletedPkg) { 9951 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9952 File restoreFile = new File(deletedPackage.codePath); 9953 // Parse old package 9954 boolean oldOnSd = isExternal(deletedPackage); 9955 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9956 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9957 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9958 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 9959 try { 9960 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 9961 } catch (PackageManagerException e) { 9962 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 9963 + e.getMessage()); 9964 return; 9965 } 9966 // Restore of old package succeeded. Update permissions. 9967 // writer 9968 synchronized (mPackages) { 9969 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9970 UPDATE_PERMISSIONS_ALL); 9971 // can downgrade to reader 9972 mSettings.writeLPr(); 9973 } 9974 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9975 } 9976 } 9977 } 9978 9979 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9980 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 9981 int[] allUsers, boolean[] perUserInstalled, 9982 String installerPackageName, PackageInstalledInfo res) { 9983 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9984 + ", old=" + deletedPackage); 9985 boolean updatedSettings = false; 9986 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 9987 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9988 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9989 } 9990 String packageName = deletedPackage.packageName; 9991 if (packageName == null) { 9992 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 9993 "Attempt to delete null packageName."); 9994 return; 9995 } 9996 PackageParser.Package oldPkg; 9997 PackageSetting oldPkgSetting; 9998 // reader 9999 synchronized (mPackages) { 10000 oldPkg = mPackages.get(packageName); 10001 oldPkgSetting = mSettings.mPackages.get(packageName); 10002 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10003 (oldPkgSetting == null)) { 10004 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10005 "Couldn't find package:" + packageName + " information"); 10006 return; 10007 } 10008 } 10009 10010 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10011 10012 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10013 res.removedInfo.removedPackage = packageName; 10014 // Remove existing system package 10015 removePackageLI(oldPkgSetting, true); 10016 // writer 10017 synchronized (mPackages) { 10018 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10019 // We didn't need to disable the .apk as a current system package, 10020 // which means we are replacing another update that is already 10021 // installed. We need to make sure to delete the older one's .apk. 10022 res.removedInfo.args = createInstallArgsForExisting(0, 10023 deletedPackage.applicationInfo.getCodePath(), 10024 deletedPackage.applicationInfo.getResourcePath(), 10025 deletedPackage.applicationInfo.nativeLibraryRootDir, 10026 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10027 } else { 10028 res.removedInfo.args = null; 10029 } 10030 } 10031 10032 // Successfully disabled the old package. Now proceed with re-installation 10033 deleteCodeCacheDirsLI(packageName); 10034 10035 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10036 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10037 10038 PackageParser.Package newPackage = null; 10039 try { 10040 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10041 if (newPackage.mExtras != null) { 10042 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10043 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10044 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10045 10046 // is the update attempting to change shared user? that isn't going to work... 10047 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10048 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10049 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10050 + " to " + newPkgSetting.sharedUser); 10051 updatedSettings = true; 10052 } 10053 } 10054 10055 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10056 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10057 updatedSettings = true; 10058 } 10059 10060 } catch (PackageManagerException e) { 10061 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10062 } 10063 10064 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10065 // Re installation failed. Restore old information 10066 // Remove new pkg information 10067 if (newPackage != null) { 10068 removeInstalledPackageLI(newPackage, true); 10069 } 10070 // Add back the old system package 10071 try { 10072 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10073 } catch (PackageManagerException e) { 10074 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10075 } 10076 // Restore the old system information in Settings 10077 synchronized(mPackages) { 10078 if (updatedSettings) { 10079 mSettings.enableSystemPackageLPw(packageName); 10080 mSettings.setInstallerPackageName(packageName, 10081 oldPkgSetting.installerPackageName); 10082 } 10083 mSettings.writeLPr(); 10084 } 10085 } 10086 } 10087 10088 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10089 int[] allUsers, boolean[] perUserInstalled, 10090 PackageInstalledInfo res) { 10091 String pkgName = newPackage.packageName; 10092 synchronized (mPackages) { 10093 //write settings. the installStatus will be incomplete at this stage. 10094 //note that the new package setting would have already been 10095 //added to mPackages. It hasn't been persisted yet. 10096 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10097 mSettings.writeLPr(); 10098 } 10099 10100 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10101 10102 synchronized (mPackages) { 10103 updatePermissionsLPw(newPackage.packageName, newPackage, 10104 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10105 ? UPDATE_PERMISSIONS_ALL : 0)); 10106 // For system-bundled packages, we assume that installing an upgraded version 10107 // of the package implies that the user actually wants to run that new code, 10108 // so we enable the package. 10109 if (isSystemApp(newPackage)) { 10110 // NB: implicit assumption that system package upgrades apply to all users 10111 if (DEBUG_INSTALL) { 10112 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10113 } 10114 PackageSetting ps = mSettings.mPackages.get(pkgName); 10115 if (ps != null) { 10116 if (res.origUsers != null) { 10117 for (int userHandle : res.origUsers) { 10118 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10119 userHandle, installerPackageName); 10120 } 10121 } 10122 // Also convey the prior install/uninstall state 10123 if (allUsers != null && perUserInstalled != null) { 10124 for (int i = 0; i < allUsers.length; i++) { 10125 if (DEBUG_INSTALL) { 10126 Slog.d(TAG, " user " + allUsers[i] 10127 + " => " + perUserInstalled[i]); 10128 } 10129 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10130 } 10131 // these install state changes will be persisted in the 10132 // upcoming call to mSettings.writeLPr(). 10133 } 10134 } 10135 } 10136 res.name = pkgName; 10137 res.uid = newPackage.applicationInfo.uid; 10138 res.pkg = newPackage; 10139 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10140 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10141 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10142 //to update install status 10143 mSettings.writeLPr(); 10144 } 10145 } 10146 10147 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10148 final int installFlags = args.installFlags; 10149 String installerPackageName = args.installerPackageName; 10150 File tmpPackageFile = new File(args.getCodePath()); 10151 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10152 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10153 boolean replace = false; 10154 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10155 // Result object to be returned 10156 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10157 10158 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10159 // Retrieve PackageSettings and parse package 10160 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10161 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10162 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10163 PackageParser pp = new PackageParser(); 10164 pp.setSeparateProcesses(mSeparateProcesses); 10165 pp.setDisplayMetrics(mMetrics); 10166 10167 final PackageParser.Package pkg; 10168 try { 10169 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10170 } catch (PackageParserException e) { 10171 res.setError("Failed parse during installPackageLI", e); 10172 return; 10173 } 10174 10175 // Mark that we have an install time CPU ABI override. 10176 pkg.cpuAbiOverride = args.abiOverride; 10177 10178 String pkgName = res.name = pkg.packageName; 10179 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10180 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10181 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10182 return; 10183 } 10184 } 10185 10186 try { 10187 pp.collectCertificates(pkg, parseFlags); 10188 pp.collectManifestDigest(pkg); 10189 } catch (PackageParserException e) { 10190 res.setError("Failed collect during installPackageLI", e); 10191 return; 10192 } 10193 10194 /* If the installer passed in a manifest digest, compare it now. */ 10195 if (args.manifestDigest != null) { 10196 if (DEBUG_INSTALL) { 10197 final String parsedManifest = pkg.manifestDigest == null ? "null" 10198 : pkg.manifestDigest.toString(); 10199 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10200 + parsedManifest); 10201 } 10202 10203 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10204 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10205 return; 10206 } 10207 } else if (DEBUG_INSTALL) { 10208 final String parsedManifest = pkg.manifestDigest == null 10209 ? "null" : pkg.manifestDigest.toString(); 10210 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10211 } 10212 10213 // Get rid of all references to package scan path via parser. 10214 pp = null; 10215 String oldCodePath = null; 10216 boolean systemApp = false; 10217 synchronized (mPackages) { 10218 // Check whether the newly-scanned package wants to define an already-defined perm 10219 int N = pkg.permissions.size(); 10220 for (int i = N-1; i >= 0; i--) { 10221 PackageParser.Permission perm = pkg.permissions.get(i); 10222 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10223 if (bp != null) { 10224 // If the defining package is signed with our cert, it's okay. This 10225 // also includes the "updating the same package" case, of course. 10226 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10227 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10228 // If the owning package is the system itself, we log but allow 10229 // install to proceed; we fail the install on all other permission 10230 // redefinitions. 10231 if (!bp.sourcePackage.equals("android")) { 10232 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10233 + pkg.packageName + " attempting to redeclare permission " 10234 + perm.info.name + " already owned by " + bp.sourcePackage); 10235 res.origPermission = perm.info.name; 10236 res.origPackage = bp.sourcePackage; 10237 return; 10238 } else { 10239 Slog.w(TAG, "Package " + pkg.packageName 10240 + " attempting to redeclare system permission " 10241 + perm.info.name + "; ignoring new declaration"); 10242 pkg.permissions.remove(i); 10243 } 10244 } 10245 } 10246 } 10247 10248 // Check if installing already existing package 10249 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10250 String oldName = mSettings.mRenamedPackages.get(pkgName); 10251 if (pkg.mOriginalPackages != null 10252 && pkg.mOriginalPackages.contains(oldName) 10253 && mPackages.containsKey(oldName)) { 10254 // This package is derived from an original package, 10255 // and this device has been updating from that original 10256 // name. We must continue using the original name, so 10257 // rename the new package here. 10258 pkg.setPackageName(oldName); 10259 pkgName = pkg.packageName; 10260 replace = true; 10261 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10262 + oldName + " pkgName=" + pkgName); 10263 } else if (mPackages.containsKey(pkgName)) { 10264 // This package, under its official name, already exists 10265 // on the device; we should replace it. 10266 replace = true; 10267 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10268 } 10269 } 10270 PackageSetting ps = mSettings.mPackages.get(pkgName); 10271 if (ps != null) { 10272 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10273 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10274 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10275 systemApp = (ps.pkg.applicationInfo.flags & 10276 ApplicationInfo.FLAG_SYSTEM) != 0; 10277 } 10278 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10279 } 10280 } 10281 10282 if (systemApp && onSd) { 10283 // Disable updates to system apps on sdcard 10284 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10285 "Cannot install updates to system apps on sdcard"); 10286 return; 10287 } 10288 10289 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10290 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10291 return; 10292 } 10293 10294 if (replace) { 10295 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10296 installerPackageName, res); 10297 } else { 10298 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10299 args.user, installerPackageName, res); 10300 } 10301 synchronized (mPackages) { 10302 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10303 if (ps != null) { 10304 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10305 } 10306 } 10307 } 10308 10309 private static boolean isForwardLocked(PackageParser.Package pkg) { 10310 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10311 } 10312 10313 private static boolean isForwardLocked(ApplicationInfo info) { 10314 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10315 } 10316 10317 private boolean isForwardLocked(PackageSetting ps) { 10318 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10319 } 10320 10321 private static boolean isMultiArch(PackageSetting ps) { 10322 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10323 } 10324 10325 private static boolean isMultiArch(ApplicationInfo info) { 10326 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10327 } 10328 10329 private static boolean isExternal(PackageParser.Package pkg) { 10330 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10331 } 10332 10333 private static boolean isExternal(PackageSetting ps) { 10334 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10335 } 10336 10337 private static boolean isExternal(ApplicationInfo info) { 10338 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10339 } 10340 10341 private static boolean isSystemApp(PackageParser.Package pkg) { 10342 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10343 } 10344 10345 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10346 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10347 } 10348 10349 private static boolean isSystemApp(ApplicationInfo info) { 10350 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10351 } 10352 10353 private static boolean isSystemApp(PackageSetting ps) { 10354 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10355 } 10356 10357 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10358 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10359 } 10360 10361 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10362 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10363 } 10364 10365 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10366 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10367 } 10368 10369 private int packageFlagsToInstallFlags(PackageSetting ps) { 10370 int installFlags = 0; 10371 if (isExternal(ps)) { 10372 installFlags |= PackageManager.INSTALL_EXTERNAL; 10373 } 10374 if (isForwardLocked(ps)) { 10375 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10376 } 10377 return installFlags; 10378 } 10379 10380 private void deleteTempPackageFiles() { 10381 final FilenameFilter filter = new FilenameFilter() { 10382 public boolean accept(File dir, String name) { 10383 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10384 } 10385 }; 10386 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10387 file.delete(); 10388 } 10389 } 10390 10391 @Override 10392 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10393 int flags) { 10394 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10395 flags); 10396 } 10397 10398 @Override 10399 public void deletePackage(final String packageName, 10400 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10401 mContext.enforceCallingOrSelfPermission( 10402 android.Manifest.permission.DELETE_PACKAGES, null); 10403 final int uid = Binder.getCallingUid(); 10404 if (UserHandle.getUserId(uid) != userId) { 10405 mContext.enforceCallingPermission( 10406 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10407 "deletePackage for user " + userId); 10408 } 10409 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10410 try { 10411 observer.onPackageDeleted(packageName, 10412 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10413 } catch (RemoteException re) { 10414 } 10415 return; 10416 } 10417 10418 boolean uninstallBlocked = false; 10419 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10420 int[] users = sUserManager.getUserIds(); 10421 for (int i = 0; i < users.length; ++i) { 10422 if (getBlockUninstallForUser(packageName, users[i])) { 10423 uninstallBlocked = true; 10424 break; 10425 } 10426 } 10427 } else { 10428 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10429 } 10430 if (uninstallBlocked) { 10431 try { 10432 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10433 null); 10434 } catch (RemoteException re) { 10435 } 10436 return; 10437 } 10438 10439 if (DEBUG_REMOVE) { 10440 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10441 } 10442 // Queue up an async operation since the package deletion may take a little while. 10443 mHandler.post(new Runnable() { 10444 public void run() { 10445 mHandler.removeCallbacks(this); 10446 final int returnCode = deletePackageX(packageName, userId, flags); 10447 if (observer != null) { 10448 try { 10449 observer.onPackageDeleted(packageName, returnCode, null); 10450 } catch (RemoteException e) { 10451 Log.i(TAG, "Observer no longer exists."); 10452 } //end catch 10453 } //end if 10454 } //end run 10455 }); 10456 } 10457 10458 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10459 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10460 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10461 try { 10462 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10463 || dpm.isDeviceOwner(packageName))) { 10464 return true; 10465 } 10466 } catch (RemoteException e) { 10467 } 10468 return false; 10469 } 10470 10471 /** 10472 * This method is an internal method that could be get invoked either 10473 * to delete an installed package or to clean up a failed installation. 10474 * After deleting an installed package, a broadcast is sent to notify any 10475 * listeners that the package has been installed. For cleaning up a failed 10476 * installation, the broadcast is not necessary since the package's 10477 * installation wouldn't have sent the initial broadcast either 10478 * The key steps in deleting a package are 10479 * deleting the package information in internal structures like mPackages, 10480 * deleting the packages base directories through installd 10481 * updating mSettings to reflect current status 10482 * persisting settings for later use 10483 * sending a broadcast if necessary 10484 */ 10485 private int deletePackageX(String packageName, int userId, int flags) { 10486 final PackageRemovedInfo info = new PackageRemovedInfo(); 10487 final boolean res; 10488 10489 if (isPackageDeviceAdmin(packageName, userId)) { 10490 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10491 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10492 } 10493 10494 boolean removedForAllUsers = false; 10495 boolean systemUpdate = false; 10496 10497 // for the uninstall-updates case and restricted profiles, remember the per- 10498 // userhandle installed state 10499 int[] allUsers; 10500 boolean[] perUserInstalled; 10501 synchronized (mPackages) { 10502 PackageSetting ps = mSettings.mPackages.get(packageName); 10503 allUsers = sUserManager.getUserIds(); 10504 perUserInstalled = new boolean[allUsers.length]; 10505 for (int i = 0; i < allUsers.length; i++) { 10506 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10507 } 10508 } 10509 10510 synchronized (mInstallLock) { 10511 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10512 res = deletePackageLI(packageName, 10513 (flags & PackageManager.DELETE_ALL_USERS) != 0 10514 ? UserHandle.ALL : new UserHandle(userId), 10515 true, allUsers, perUserInstalled, 10516 flags | REMOVE_CHATTY, info, true); 10517 systemUpdate = info.isRemovedPackageSystemUpdate; 10518 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10519 removedForAllUsers = true; 10520 } 10521 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10522 + " removedForAllUsers=" + removedForAllUsers); 10523 } 10524 10525 if (res) { 10526 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10527 10528 // If the removed package was a system update, the old system package 10529 // was re-enabled; we need to broadcast this information 10530 if (systemUpdate) { 10531 Bundle extras = new Bundle(1); 10532 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10533 ? info.removedAppId : info.uid); 10534 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10535 10536 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10537 extras, null, null, null); 10538 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10539 extras, null, null, null); 10540 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10541 null, packageName, null, null); 10542 } 10543 } 10544 // Force a gc here. 10545 Runtime.getRuntime().gc(); 10546 // Delete the resources here after sending the broadcast to let 10547 // other processes clean up before deleting resources. 10548 if (info.args != null) { 10549 synchronized (mInstallLock) { 10550 info.args.doPostDeleteLI(true); 10551 } 10552 } 10553 10554 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10555 } 10556 10557 static class PackageRemovedInfo { 10558 String removedPackage; 10559 int uid = -1; 10560 int removedAppId = -1; 10561 int[] removedUsers = null; 10562 boolean isRemovedPackageSystemUpdate = false; 10563 // Clean up resources deleted packages. 10564 InstallArgs args = null; 10565 10566 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10567 Bundle extras = new Bundle(1); 10568 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10569 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10570 if (replacing) { 10571 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10572 } 10573 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10574 if (removedPackage != null) { 10575 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10576 extras, null, null, removedUsers); 10577 if (fullRemove && !replacing) { 10578 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10579 extras, null, null, removedUsers); 10580 } 10581 } 10582 if (removedAppId >= 0) { 10583 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10584 removedUsers); 10585 } 10586 } 10587 } 10588 10589 /* 10590 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10591 * flag is not set, the data directory is removed as well. 10592 * make sure this flag is set for partially installed apps. If not its meaningless to 10593 * delete a partially installed application. 10594 */ 10595 private void removePackageDataLI(PackageSetting ps, 10596 int[] allUserHandles, boolean[] perUserInstalled, 10597 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10598 String packageName = ps.name; 10599 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10600 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10601 // Retrieve object to delete permissions for shared user later on 10602 final PackageSetting deletedPs; 10603 // reader 10604 synchronized (mPackages) { 10605 deletedPs = mSettings.mPackages.get(packageName); 10606 if (outInfo != null) { 10607 outInfo.removedPackage = packageName; 10608 outInfo.removedUsers = deletedPs != null 10609 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10610 : null; 10611 } 10612 } 10613 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10614 removeDataDirsLI(packageName); 10615 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10616 } 10617 // writer 10618 synchronized (mPackages) { 10619 if (deletedPs != null) { 10620 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10621 if (outInfo != null) { 10622 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10623 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10624 } 10625 if (deletedPs != null) { 10626 updatePermissionsLPw(deletedPs.name, null, 0); 10627 if (deletedPs.sharedUser != null) { 10628 // remove permissions associated with package 10629 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10630 } 10631 } 10632 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10633 } 10634 // make sure to preserve per-user disabled state if this removal was just 10635 // a downgrade of a system app to the factory package 10636 if (allUserHandles != null && perUserInstalled != null) { 10637 if (DEBUG_REMOVE) { 10638 Slog.d(TAG, "Propagating install state across downgrade"); 10639 } 10640 for (int i = 0; i < allUserHandles.length; i++) { 10641 if (DEBUG_REMOVE) { 10642 Slog.d(TAG, " user " + allUserHandles[i] 10643 + " => " + perUserInstalled[i]); 10644 } 10645 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10646 } 10647 } 10648 } 10649 // can downgrade to reader 10650 if (writeSettings) { 10651 // Save settings now 10652 mSettings.writeLPr(); 10653 } 10654 } 10655 if (outInfo != null) { 10656 // A user ID was deleted here. Go through all users and remove it 10657 // from KeyStore. 10658 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10659 } 10660 } 10661 10662 static boolean locationIsPrivileged(File path) { 10663 try { 10664 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10665 .getCanonicalPath(); 10666 return path.getCanonicalPath().startsWith(privilegedAppDir); 10667 } catch (IOException e) { 10668 Slog.e(TAG, "Unable to access code path " + path); 10669 } 10670 return false; 10671 } 10672 10673 /* 10674 * Tries to delete system package. 10675 */ 10676 private boolean deleteSystemPackageLI(PackageSetting newPs, 10677 int[] allUserHandles, boolean[] perUserInstalled, 10678 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10679 final boolean applyUserRestrictions 10680 = (allUserHandles != null) && (perUserInstalled != null); 10681 PackageSetting disabledPs = null; 10682 // Confirm if the system package has been updated 10683 // An updated system app can be deleted. This will also have to restore 10684 // the system pkg from system partition 10685 // reader 10686 synchronized (mPackages) { 10687 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10688 } 10689 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10690 + " disabledPs=" + disabledPs); 10691 if (disabledPs == null) { 10692 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10693 return false; 10694 } else if (DEBUG_REMOVE) { 10695 Slog.d(TAG, "Deleting system pkg from data partition"); 10696 } 10697 if (DEBUG_REMOVE) { 10698 if (applyUserRestrictions) { 10699 Slog.d(TAG, "Remembering install states:"); 10700 for (int i = 0; i < allUserHandles.length; i++) { 10701 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10702 } 10703 } 10704 } 10705 // Delete the updated package 10706 outInfo.isRemovedPackageSystemUpdate = true; 10707 if (disabledPs.versionCode < newPs.versionCode) { 10708 // Delete data for downgrades 10709 flags &= ~PackageManager.DELETE_KEEP_DATA; 10710 } else { 10711 // Preserve data by setting flag 10712 flags |= PackageManager.DELETE_KEEP_DATA; 10713 } 10714 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10715 allUserHandles, perUserInstalled, outInfo, writeSettings); 10716 if (!ret) { 10717 return false; 10718 } 10719 // writer 10720 synchronized (mPackages) { 10721 // Reinstate the old system package 10722 mSettings.enableSystemPackageLPw(newPs.name); 10723 // Remove any native libraries from the upgraded package. 10724 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10725 } 10726 // Install the system package 10727 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10728 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10729 if (locationIsPrivileged(disabledPs.codePath)) { 10730 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10731 } 10732 10733 final PackageParser.Package newPkg; 10734 try { 10735 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10736 } catch (PackageManagerException e) { 10737 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10738 return false; 10739 } 10740 10741 // writer 10742 synchronized (mPackages) { 10743 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10744 updatePermissionsLPw(newPkg.packageName, newPkg, 10745 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10746 if (applyUserRestrictions) { 10747 if (DEBUG_REMOVE) { 10748 Slog.d(TAG, "Propagating install state across reinstall"); 10749 } 10750 for (int i = 0; i < allUserHandles.length; i++) { 10751 if (DEBUG_REMOVE) { 10752 Slog.d(TAG, " user " + allUserHandles[i] 10753 + " => " + perUserInstalled[i]); 10754 } 10755 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10756 } 10757 // Regardless of writeSettings we need to ensure that this restriction 10758 // state propagation is persisted 10759 mSettings.writeAllUsersPackageRestrictionsLPr(); 10760 } 10761 // can downgrade to reader here 10762 if (writeSettings) { 10763 mSettings.writeLPr(); 10764 } 10765 } 10766 return true; 10767 } 10768 10769 private boolean deleteInstalledPackageLI(PackageSetting ps, 10770 boolean deleteCodeAndResources, int flags, 10771 int[] allUserHandles, boolean[] perUserInstalled, 10772 PackageRemovedInfo outInfo, boolean writeSettings) { 10773 if (outInfo != null) { 10774 outInfo.uid = ps.appId; 10775 } 10776 10777 // Delete package data from internal structures and also remove data if flag is set 10778 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10779 10780 // Delete application code and resources 10781 if (deleteCodeAndResources && (outInfo != null)) { 10782 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10783 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10784 getAppDexInstructionSets(ps)); 10785 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10786 } 10787 return true; 10788 } 10789 10790 @Override 10791 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10792 int userId) { 10793 mContext.enforceCallingOrSelfPermission( 10794 android.Manifest.permission.DELETE_PACKAGES, null); 10795 synchronized (mPackages) { 10796 PackageSetting ps = mSettings.mPackages.get(packageName); 10797 if (ps == null) { 10798 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10799 return false; 10800 } 10801 if (!ps.getInstalled(userId)) { 10802 // Can't block uninstall for an app that is not installed or enabled. 10803 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10804 return false; 10805 } 10806 ps.setBlockUninstall(blockUninstall, userId); 10807 mSettings.writePackageRestrictionsLPr(userId); 10808 } 10809 return true; 10810 } 10811 10812 @Override 10813 public boolean getBlockUninstallForUser(String packageName, int userId) { 10814 synchronized (mPackages) { 10815 PackageSetting ps = mSettings.mPackages.get(packageName); 10816 if (ps == null) { 10817 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10818 return false; 10819 } 10820 return ps.getBlockUninstall(userId); 10821 } 10822 } 10823 10824 /* 10825 * This method handles package deletion in general 10826 */ 10827 private boolean deletePackageLI(String packageName, UserHandle user, 10828 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10829 int flags, PackageRemovedInfo outInfo, 10830 boolean writeSettings) { 10831 if (packageName == null) { 10832 Slog.w(TAG, "Attempt to delete null packageName."); 10833 return false; 10834 } 10835 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10836 PackageSetting ps; 10837 boolean dataOnly = false; 10838 int removeUser = -1; 10839 int appId = -1; 10840 synchronized (mPackages) { 10841 ps = mSettings.mPackages.get(packageName); 10842 if (ps == null) { 10843 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10844 return false; 10845 } 10846 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10847 && user.getIdentifier() != UserHandle.USER_ALL) { 10848 // The caller is asking that the package only be deleted for a single 10849 // user. To do this, we just mark its uninstalled state and delete 10850 // its data. If this is a system app, we only allow this to happen if 10851 // they have set the special DELETE_SYSTEM_APP which requests different 10852 // semantics than normal for uninstalling system apps. 10853 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10854 ps.setUserState(user.getIdentifier(), 10855 COMPONENT_ENABLED_STATE_DEFAULT, 10856 false, //installed 10857 true, //stopped 10858 true, //notLaunched 10859 false, //hidden 10860 null, null, null, 10861 false // blockUninstall 10862 ); 10863 if (!isSystemApp(ps)) { 10864 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10865 // Other user still have this package installed, so all 10866 // we need to do is clear this user's data and save that 10867 // it is uninstalled. 10868 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10869 removeUser = user.getIdentifier(); 10870 appId = ps.appId; 10871 mSettings.writePackageRestrictionsLPr(removeUser); 10872 } else { 10873 // We need to set it back to 'installed' so the uninstall 10874 // broadcasts will be sent correctly. 10875 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10876 ps.setInstalled(true, user.getIdentifier()); 10877 } 10878 } else { 10879 // This is a system app, so we assume that the 10880 // other users still have this package installed, so all 10881 // we need to do is clear this user's data and save that 10882 // it is uninstalled. 10883 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10884 removeUser = user.getIdentifier(); 10885 appId = ps.appId; 10886 mSettings.writePackageRestrictionsLPr(removeUser); 10887 } 10888 } 10889 } 10890 10891 if (removeUser >= 0) { 10892 // From above, we determined that we are deleting this only 10893 // for a single user. Continue the work here. 10894 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10895 if (outInfo != null) { 10896 outInfo.removedPackage = packageName; 10897 outInfo.removedAppId = appId; 10898 outInfo.removedUsers = new int[] {removeUser}; 10899 } 10900 mInstaller.clearUserData(packageName, removeUser); 10901 removeKeystoreDataIfNeeded(removeUser, appId); 10902 schedulePackageCleaning(packageName, removeUser, false); 10903 return true; 10904 } 10905 10906 if (dataOnly) { 10907 // Delete application data first 10908 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10909 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10910 return true; 10911 } 10912 10913 boolean ret = false; 10914 if (isSystemApp(ps)) { 10915 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10916 // When an updated system application is deleted we delete the existing resources as well and 10917 // fall back to existing code in system partition 10918 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10919 flags, outInfo, writeSettings); 10920 } else { 10921 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10922 // Kill application pre-emptively especially for apps on sd. 10923 killApplication(packageName, ps.appId, "uninstall pkg"); 10924 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10925 allUserHandles, perUserInstalled, 10926 outInfo, writeSettings); 10927 } 10928 10929 return ret; 10930 } 10931 10932 private final class ClearStorageConnection implements ServiceConnection { 10933 IMediaContainerService mContainerService; 10934 10935 @Override 10936 public void onServiceConnected(ComponentName name, IBinder service) { 10937 synchronized (this) { 10938 mContainerService = IMediaContainerService.Stub.asInterface(service); 10939 notifyAll(); 10940 } 10941 } 10942 10943 @Override 10944 public void onServiceDisconnected(ComponentName name) { 10945 } 10946 } 10947 10948 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10949 final boolean mounted; 10950 if (Environment.isExternalStorageEmulated()) { 10951 mounted = true; 10952 } else { 10953 final String status = Environment.getExternalStorageState(); 10954 10955 mounted = status.equals(Environment.MEDIA_MOUNTED) 10956 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10957 } 10958 10959 if (!mounted) { 10960 return; 10961 } 10962 10963 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10964 int[] users; 10965 if (userId == UserHandle.USER_ALL) { 10966 users = sUserManager.getUserIds(); 10967 } else { 10968 users = new int[] { userId }; 10969 } 10970 final ClearStorageConnection conn = new ClearStorageConnection(); 10971 if (mContext.bindServiceAsUser( 10972 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10973 try { 10974 for (int curUser : users) { 10975 long timeout = SystemClock.uptimeMillis() + 5000; 10976 synchronized (conn) { 10977 long now = SystemClock.uptimeMillis(); 10978 while (conn.mContainerService == null && now < timeout) { 10979 try { 10980 conn.wait(timeout - now); 10981 } catch (InterruptedException e) { 10982 } 10983 } 10984 } 10985 if (conn.mContainerService == null) { 10986 return; 10987 } 10988 10989 final UserEnvironment userEnv = new UserEnvironment(curUser); 10990 clearDirectory(conn.mContainerService, 10991 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10992 if (allData) { 10993 clearDirectory(conn.mContainerService, 10994 userEnv.buildExternalStorageAppDataDirs(packageName)); 10995 clearDirectory(conn.mContainerService, 10996 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10997 } 10998 } 10999 } finally { 11000 mContext.unbindService(conn); 11001 } 11002 } 11003 } 11004 11005 @Override 11006 public void clearApplicationUserData(final String packageName, 11007 final IPackageDataObserver observer, final int userId) { 11008 mContext.enforceCallingOrSelfPermission( 11009 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11010 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 11011 // Queue up an async operation since the package deletion may take a little while. 11012 mHandler.post(new Runnable() { 11013 public void run() { 11014 mHandler.removeCallbacks(this); 11015 final boolean succeeded; 11016 synchronized (mInstallLock) { 11017 succeeded = clearApplicationUserDataLI(packageName, userId); 11018 } 11019 clearExternalStorageDataSync(packageName, userId, true); 11020 if (succeeded) { 11021 // invoke DeviceStorageMonitor's update method to clear any notifications 11022 DeviceStorageMonitorInternal 11023 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11024 if (dsm != null) { 11025 dsm.checkMemory(); 11026 } 11027 } 11028 if(observer != null) { 11029 try { 11030 observer.onRemoveCompleted(packageName, succeeded); 11031 } catch (RemoteException e) { 11032 Log.i(TAG, "Observer no longer exists."); 11033 } 11034 } //end if observer 11035 } //end run 11036 }); 11037 } 11038 11039 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11040 if (packageName == null) { 11041 Slog.w(TAG, "Attempt to delete null packageName."); 11042 return false; 11043 } 11044 PackageParser.Package pkg; 11045 boolean dataOnly = false; 11046 final int appId; 11047 synchronized (mPackages) { 11048 pkg = mPackages.get(packageName); 11049 if (pkg == null) { 11050 dataOnly = true; 11051 PackageSetting ps = mSettings.mPackages.get(packageName); 11052 if ((ps == null) || (ps.pkg == null)) { 11053 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11054 return false; 11055 } 11056 pkg = ps.pkg; 11057 } 11058 if (!dataOnly) { 11059 // need to check this only for fully installed applications 11060 if (pkg == null) { 11061 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11062 return false; 11063 } 11064 final ApplicationInfo applicationInfo = pkg.applicationInfo; 11065 if (applicationInfo == null) { 11066 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11067 return false; 11068 } 11069 } 11070 if (pkg != null && pkg.applicationInfo != null) { 11071 appId = pkg.applicationInfo.uid; 11072 } else { 11073 appId = -1; 11074 } 11075 } 11076 int retCode = mInstaller.clearUserData(packageName, userId); 11077 if (retCode < 0) { 11078 Slog.w(TAG, "Couldn't remove cache files for package: " 11079 + packageName); 11080 return false; 11081 } 11082 removeKeystoreDataIfNeeded(userId, appId); 11083 11084 // Create a native library symlink only if we have native libraries 11085 // and if the native libraries are 32 bit libraries. We do not provide 11086 // this symlink for 64 bit libraries. 11087 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11088 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11089 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11090 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11091 Slog.w(TAG, "Failed linking native library dir"); 11092 return false; 11093 } 11094 } 11095 11096 return true; 11097 } 11098 11099 /** 11100 * Remove entries from the keystore daemon. Will only remove it if the 11101 * {@code appId} is valid. 11102 */ 11103 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11104 if (appId < 0) { 11105 return; 11106 } 11107 11108 final KeyStore keyStore = KeyStore.getInstance(); 11109 if (keyStore != null) { 11110 if (userId == UserHandle.USER_ALL) { 11111 for (final int individual : sUserManager.getUserIds()) { 11112 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11113 } 11114 } else { 11115 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11116 } 11117 } else { 11118 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11119 } 11120 } 11121 11122 @Override 11123 public void deleteApplicationCacheFiles(final String packageName, 11124 final IPackageDataObserver observer) { 11125 mContext.enforceCallingOrSelfPermission( 11126 android.Manifest.permission.DELETE_CACHE_FILES, null); 11127 // Queue up an async operation since the package deletion may take a little while. 11128 final int userId = UserHandle.getCallingUserId(); 11129 mHandler.post(new Runnable() { 11130 public void run() { 11131 mHandler.removeCallbacks(this); 11132 final boolean succeded; 11133 synchronized (mInstallLock) { 11134 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11135 } 11136 clearExternalStorageDataSync(packageName, userId, false); 11137 if(observer != null) { 11138 try { 11139 observer.onRemoveCompleted(packageName, succeded); 11140 } catch (RemoteException e) { 11141 Log.i(TAG, "Observer no longer exists."); 11142 } 11143 } //end if observer 11144 } //end run 11145 }); 11146 } 11147 11148 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11149 if (packageName == null) { 11150 Slog.w(TAG, "Attempt to delete null packageName."); 11151 return false; 11152 } 11153 PackageParser.Package p; 11154 synchronized (mPackages) { 11155 p = mPackages.get(packageName); 11156 } 11157 if (p == null) { 11158 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11159 return false; 11160 } 11161 final ApplicationInfo applicationInfo = p.applicationInfo; 11162 if (applicationInfo == null) { 11163 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11164 return false; 11165 } 11166 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11167 if (retCode < 0) { 11168 Slog.w(TAG, "Couldn't remove cache files for package: " 11169 + packageName + " u" + userId); 11170 return false; 11171 } 11172 return true; 11173 } 11174 11175 @Override 11176 public void getPackageSizeInfo(final String packageName, int userHandle, 11177 final IPackageStatsObserver observer) { 11178 mContext.enforceCallingOrSelfPermission( 11179 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11180 if (packageName == null) { 11181 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11182 } 11183 11184 PackageStats stats = new PackageStats(packageName, userHandle); 11185 11186 /* 11187 * Queue up an async operation since the package measurement may take a 11188 * little while. 11189 */ 11190 Message msg = mHandler.obtainMessage(INIT_COPY); 11191 msg.obj = new MeasureParams(stats, observer); 11192 mHandler.sendMessage(msg); 11193 } 11194 11195 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11196 PackageStats pStats) { 11197 if (packageName == null) { 11198 Slog.w(TAG, "Attempt to get size of null packageName."); 11199 return false; 11200 } 11201 PackageParser.Package p; 11202 boolean dataOnly = false; 11203 String libDirRoot = null; 11204 String asecPath = null; 11205 PackageSetting ps = null; 11206 synchronized (mPackages) { 11207 p = mPackages.get(packageName); 11208 ps = mSettings.mPackages.get(packageName); 11209 if(p == null) { 11210 dataOnly = true; 11211 if((ps == null) || (ps.pkg == null)) { 11212 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11213 return false; 11214 } 11215 p = ps.pkg; 11216 } 11217 if (ps != null) { 11218 libDirRoot = ps.legacyNativeLibraryPathString; 11219 } 11220 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11221 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11222 if (secureContainerId != null) { 11223 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11224 } 11225 } 11226 } 11227 String publicSrcDir = null; 11228 if(!dataOnly) { 11229 final ApplicationInfo applicationInfo = p.applicationInfo; 11230 if (applicationInfo == null) { 11231 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11232 return false; 11233 } 11234 if (isForwardLocked(p)) { 11235 publicSrcDir = applicationInfo.getBaseResourcePath(); 11236 } 11237 } 11238 // TODO: extend to measure size of split APKs 11239 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11240 // not just the first level. 11241 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11242 // just the primary. 11243 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11244 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11245 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11246 if (res < 0) { 11247 return false; 11248 } 11249 11250 // Fix-up for forward-locked applications in ASEC containers. 11251 if (!isExternal(p)) { 11252 pStats.codeSize += pStats.externalCodeSize; 11253 pStats.externalCodeSize = 0L; 11254 } 11255 11256 return true; 11257 } 11258 11259 11260 @Override 11261 public void addPackageToPreferred(String packageName) { 11262 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11263 } 11264 11265 @Override 11266 public void removePackageFromPreferred(String packageName) { 11267 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11268 } 11269 11270 @Override 11271 public List<PackageInfo> getPreferredPackages(int flags) { 11272 return new ArrayList<PackageInfo>(); 11273 } 11274 11275 private int getUidTargetSdkVersionLockedLPr(int uid) { 11276 Object obj = mSettings.getUserIdLPr(uid); 11277 if (obj instanceof SharedUserSetting) { 11278 final SharedUserSetting sus = (SharedUserSetting) obj; 11279 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11280 final Iterator<PackageSetting> it = sus.packages.iterator(); 11281 while (it.hasNext()) { 11282 final PackageSetting ps = it.next(); 11283 if (ps.pkg != null) { 11284 int v = ps.pkg.applicationInfo.targetSdkVersion; 11285 if (v < vers) vers = v; 11286 } 11287 } 11288 return vers; 11289 } else if (obj instanceof PackageSetting) { 11290 final PackageSetting ps = (PackageSetting) obj; 11291 if (ps.pkg != null) { 11292 return ps.pkg.applicationInfo.targetSdkVersion; 11293 } 11294 } 11295 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11296 } 11297 11298 @Override 11299 public void addPreferredActivity(IntentFilter filter, int match, 11300 ComponentName[] set, ComponentName activity, int userId) { 11301 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11302 "Adding preferred"); 11303 } 11304 11305 private void addPreferredActivityInternal(IntentFilter filter, int match, 11306 ComponentName[] set, ComponentName activity, boolean always, int userId, 11307 String opname) { 11308 // writer 11309 int callingUid = Binder.getCallingUid(); 11310 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11311 if (filter.countActions() == 0) { 11312 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11313 return; 11314 } 11315 synchronized (mPackages) { 11316 if (mContext.checkCallingOrSelfPermission( 11317 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11318 != PackageManager.PERMISSION_GRANTED) { 11319 if (getUidTargetSdkVersionLockedLPr(callingUid) 11320 < Build.VERSION_CODES.FROYO) { 11321 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11322 + callingUid); 11323 return; 11324 } 11325 mContext.enforceCallingOrSelfPermission( 11326 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11327 } 11328 11329 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11330 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11331 + userId + ":"); 11332 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11333 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11334 mSettings.writePackageRestrictionsLPr(userId); 11335 } 11336 } 11337 11338 @Override 11339 public void replacePreferredActivity(IntentFilter filter, int match, 11340 ComponentName[] set, ComponentName activity, int userId) { 11341 if (filter.countActions() != 1) { 11342 throw new IllegalArgumentException( 11343 "replacePreferredActivity expects filter to have only 1 action."); 11344 } 11345 if (filter.countDataAuthorities() != 0 11346 || filter.countDataPaths() != 0 11347 || filter.countDataSchemes() > 1 11348 || filter.countDataTypes() != 0) { 11349 throw new IllegalArgumentException( 11350 "replacePreferredActivity expects filter to have no data authorities, " + 11351 "paths, or types; and at most one scheme."); 11352 } 11353 11354 final int callingUid = Binder.getCallingUid(); 11355 enforceCrossUserPermission(callingUid, userId, true, "replace preferred activity"); 11356 synchronized (mPackages) { 11357 if (mContext.checkCallingOrSelfPermission( 11358 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11359 != PackageManager.PERMISSION_GRANTED) { 11360 if (getUidTargetSdkVersionLockedLPr(callingUid) 11361 < Build.VERSION_CODES.FROYO) { 11362 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11363 + Binder.getCallingUid()); 11364 return; 11365 } 11366 mContext.enforceCallingOrSelfPermission( 11367 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11368 } 11369 11370 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11371 if (pir != null) { 11372 // Get all of the existing entries that exactly match this filter. 11373 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11374 if (existing != null && existing.size() == 1) { 11375 PreferredActivity cur = existing.get(0); 11376 if (DEBUG_PREFERRED) { 11377 Slog.i(TAG, "Checking replace of preferred:"); 11378 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11379 if (!cur.mPref.mAlways) { 11380 Slog.i(TAG, " -- CUR; not mAlways!"); 11381 } else { 11382 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11383 Slog.i(TAG, " -- CUR: mSet=" 11384 + Arrays.toString(cur.mPref.mSetComponents)); 11385 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11386 Slog.i(TAG, " -- NEW: mMatch=" 11387 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11388 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11389 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11390 } 11391 } 11392 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11393 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11394 && cur.mPref.sameSet(set)) { 11395 if (DEBUG_PREFERRED) { 11396 Slog.i(TAG, "Replacing with same preferred activity " 11397 + cur.mPref.mShortComponent + " for user " 11398 + userId + ":"); 11399 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11400 } else { 11401 Slog.i(TAG, "Replacing with same preferred activity " 11402 + cur.mPref.mShortComponent + " for user " 11403 + userId); 11404 } 11405 return; 11406 } 11407 } 11408 11409 if (existing != null) { 11410 if (DEBUG_PREFERRED) { 11411 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11412 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11413 } 11414 for (int i = 0; i < existing.size(); i++) { 11415 PreferredActivity pa = existing.get(i); 11416 if (DEBUG_PREFERRED) { 11417 Slog.i(TAG, "Removing existing preferred activity " 11418 + pa.mPref.mComponent + ":"); 11419 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11420 } 11421 pir.removeFilter(pa); 11422 } 11423 } 11424 } 11425 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11426 "Replacing preferred"); 11427 } 11428 } 11429 11430 @Override 11431 public void clearPackagePreferredActivities(String packageName) { 11432 final int uid = Binder.getCallingUid(); 11433 // writer 11434 synchronized (mPackages) { 11435 PackageParser.Package pkg = mPackages.get(packageName); 11436 if (pkg == null || pkg.applicationInfo.uid != uid) { 11437 if (mContext.checkCallingOrSelfPermission( 11438 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11439 != PackageManager.PERMISSION_GRANTED) { 11440 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11441 < Build.VERSION_CODES.FROYO) { 11442 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11443 + Binder.getCallingUid()); 11444 return; 11445 } 11446 mContext.enforceCallingOrSelfPermission( 11447 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11448 } 11449 } 11450 11451 int user = UserHandle.getCallingUserId(); 11452 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11453 mSettings.writePackageRestrictionsLPr(user); 11454 scheduleWriteSettingsLocked(); 11455 } 11456 } 11457 } 11458 11459 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11460 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11461 ArrayList<PreferredActivity> removed = null; 11462 boolean changed = false; 11463 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11464 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11465 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11466 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11467 continue; 11468 } 11469 Iterator<PreferredActivity> it = pir.filterIterator(); 11470 while (it.hasNext()) { 11471 PreferredActivity pa = it.next(); 11472 // Mark entry for removal only if it matches the package name 11473 // and the entry is of type "always". 11474 if (packageName == null || 11475 (pa.mPref.mComponent.getPackageName().equals(packageName) 11476 && pa.mPref.mAlways)) { 11477 if (removed == null) { 11478 removed = new ArrayList<PreferredActivity>(); 11479 } 11480 removed.add(pa); 11481 } 11482 } 11483 if (removed != null) { 11484 for (int j=0; j<removed.size(); j++) { 11485 PreferredActivity pa = removed.get(j); 11486 pir.removeFilter(pa); 11487 } 11488 changed = true; 11489 } 11490 } 11491 return changed; 11492 } 11493 11494 @Override 11495 public void resetPreferredActivities(int userId) { 11496 mContext.enforceCallingOrSelfPermission( 11497 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11498 // writer 11499 synchronized (mPackages) { 11500 int user = UserHandle.getCallingUserId(); 11501 clearPackagePreferredActivitiesLPw(null, user); 11502 mSettings.readDefaultPreferredAppsLPw(this, user); 11503 mSettings.writePackageRestrictionsLPr(user); 11504 scheduleWriteSettingsLocked(); 11505 } 11506 } 11507 11508 @Override 11509 public int getPreferredActivities(List<IntentFilter> outFilters, 11510 List<ComponentName> outActivities, String packageName) { 11511 11512 int num = 0; 11513 final int userId = UserHandle.getCallingUserId(); 11514 // reader 11515 synchronized (mPackages) { 11516 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11517 if (pir != null) { 11518 final Iterator<PreferredActivity> it = pir.filterIterator(); 11519 while (it.hasNext()) { 11520 final PreferredActivity pa = it.next(); 11521 if (packageName == null 11522 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11523 && pa.mPref.mAlways)) { 11524 if (outFilters != null) { 11525 outFilters.add(new IntentFilter(pa)); 11526 } 11527 if (outActivities != null) { 11528 outActivities.add(pa.mPref.mComponent); 11529 } 11530 } 11531 } 11532 } 11533 } 11534 11535 return num; 11536 } 11537 11538 @Override 11539 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11540 int userId) { 11541 int callingUid = Binder.getCallingUid(); 11542 if (callingUid != Process.SYSTEM_UID) { 11543 throw new SecurityException( 11544 "addPersistentPreferredActivity can only be run by the system"); 11545 } 11546 if (filter.countActions() == 0) { 11547 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11548 return; 11549 } 11550 synchronized (mPackages) { 11551 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11552 " :"); 11553 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11554 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11555 new PersistentPreferredActivity(filter, activity)); 11556 mSettings.writePackageRestrictionsLPr(userId); 11557 } 11558 } 11559 11560 @Override 11561 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11562 int callingUid = Binder.getCallingUid(); 11563 if (callingUid != Process.SYSTEM_UID) { 11564 throw new SecurityException( 11565 "clearPackagePersistentPreferredActivities can only be run by the system"); 11566 } 11567 ArrayList<PersistentPreferredActivity> removed = null; 11568 boolean changed = false; 11569 synchronized (mPackages) { 11570 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11571 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11572 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11573 .valueAt(i); 11574 if (userId != thisUserId) { 11575 continue; 11576 } 11577 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11578 while (it.hasNext()) { 11579 PersistentPreferredActivity ppa = it.next(); 11580 // Mark entry for removal only if it matches the package name. 11581 if (ppa.mComponent.getPackageName().equals(packageName)) { 11582 if (removed == null) { 11583 removed = new ArrayList<PersistentPreferredActivity>(); 11584 } 11585 removed.add(ppa); 11586 } 11587 } 11588 if (removed != null) { 11589 for (int j=0; j<removed.size(); j++) { 11590 PersistentPreferredActivity ppa = removed.get(j); 11591 ppir.removeFilter(ppa); 11592 } 11593 changed = true; 11594 } 11595 } 11596 11597 if (changed) { 11598 mSettings.writePackageRestrictionsLPr(userId); 11599 } 11600 } 11601 } 11602 11603 @Override 11604 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11605 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11606 mContext.enforceCallingOrSelfPermission( 11607 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11608 int callingUid = Binder.getCallingUid(); 11609 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11610 if (intentFilter.countActions() == 0) { 11611 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11612 return; 11613 } 11614 synchronized (mPackages) { 11615 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11616 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11617 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11618 mSettings.writePackageRestrictionsLPr(sourceUserId); 11619 } 11620 } 11621 11622 @Override 11623 public void addCrossProfileIntentsForPackage(String packageName, 11624 int sourceUserId, int targetUserId) { 11625 mContext.enforceCallingOrSelfPermission( 11626 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11627 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11628 mSettings.writePackageRestrictionsLPr(sourceUserId); 11629 } 11630 11631 @Override 11632 public void removeCrossProfileIntentsForPackage(String packageName, 11633 int sourceUserId, int targetUserId) { 11634 mContext.enforceCallingOrSelfPermission( 11635 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11636 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11637 mSettings.writePackageRestrictionsLPr(sourceUserId); 11638 } 11639 11640 @Override 11641 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11642 int ownerUserId) { 11643 mContext.enforceCallingOrSelfPermission( 11644 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11645 int callingUid = Binder.getCallingUid(); 11646 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11647 int callingUserId = UserHandle.getUserId(callingUid); 11648 synchronized (mPackages) { 11649 CrossProfileIntentResolver resolver = 11650 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11651 HashSet<CrossProfileIntentFilter> set = 11652 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11653 for (CrossProfileIntentFilter filter : set) { 11654 if (filter.getOwnerPackage().equals(ownerPackage) 11655 && filter.getOwnerUserId() == callingUserId) { 11656 resolver.removeFilter(filter); 11657 } 11658 } 11659 mSettings.writePackageRestrictionsLPr(sourceUserId); 11660 } 11661 } 11662 11663 // Enforcing that callingUid is owning pkg on userId 11664 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11665 // The system owns everything. 11666 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11667 return; 11668 } 11669 int callingUserId = UserHandle.getUserId(callingUid); 11670 if (callingUserId != userId) { 11671 throw new SecurityException("calling uid " + callingUid 11672 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11673 + callingUserId); 11674 } 11675 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11676 if (pi == null) { 11677 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11678 + callingUserId); 11679 } 11680 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11681 throw new SecurityException("Calling uid " + callingUid 11682 + " does not own package " + pkg); 11683 } 11684 } 11685 11686 @Override 11687 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11688 Intent intent = new Intent(Intent.ACTION_MAIN); 11689 intent.addCategory(Intent.CATEGORY_HOME); 11690 11691 final int callingUserId = UserHandle.getCallingUserId(); 11692 List<ResolveInfo> list = queryIntentActivities(intent, null, 11693 PackageManager.GET_META_DATA, callingUserId); 11694 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11695 true, false, false, callingUserId); 11696 11697 allHomeCandidates.clear(); 11698 if (list != null) { 11699 for (ResolveInfo ri : list) { 11700 allHomeCandidates.add(ri); 11701 } 11702 } 11703 return (preferred == null || preferred.activityInfo == null) 11704 ? null 11705 : new ComponentName(preferred.activityInfo.packageName, 11706 preferred.activityInfo.name); 11707 } 11708 11709 /** 11710 * Check if calling UID is the current home app. This handles both the case 11711 * where the user has selected a specific home app, and where there is only 11712 * one home app. 11713 */ 11714 public boolean checkCallerIsHomeApp() { 11715 final Intent intent = new Intent(Intent.ACTION_MAIN); 11716 intent.addCategory(Intent.CATEGORY_HOME); 11717 11718 final int callingUid = Binder.getCallingUid(); 11719 final int callingUserId = UserHandle.getCallingUserId(); 11720 final List<ResolveInfo> allHomes = queryIntentActivities(intent, null, 0, callingUserId); 11721 final ResolveInfo preferredHome = findPreferredActivity(intent, null, 0, allHomes, 0, true, 11722 false, false, callingUserId); 11723 11724 if (preferredHome != null) { 11725 if (callingUid == preferredHome.activityInfo.applicationInfo.uid) { 11726 return true; 11727 } 11728 } else { 11729 for (ResolveInfo info : allHomes) { 11730 if (callingUid == info.activityInfo.applicationInfo.uid) { 11731 return true; 11732 } 11733 } 11734 } 11735 11736 return false; 11737 } 11738 11739 /** 11740 * Enforce that calling UID is the current home app. This handles both the 11741 * case where the user has selected a specific home app, and where there is 11742 * only one home app. 11743 */ 11744 public void enforceCallerIsHomeApp() { 11745 if (!checkCallerIsHomeApp()) { 11746 throw new SecurityException("Caller is not currently selected home app"); 11747 } 11748 } 11749 11750 @Override 11751 public void setApplicationEnabledSetting(String appPackageName, 11752 int newState, int flags, int userId, String callingPackage) { 11753 if (!sUserManager.exists(userId)) return; 11754 if (callingPackage == null) { 11755 callingPackage = Integer.toString(Binder.getCallingUid()); 11756 } 11757 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11758 } 11759 11760 @Override 11761 public void setComponentEnabledSetting(ComponentName componentName, 11762 int newState, int flags, int userId) { 11763 if (!sUserManager.exists(userId)) return; 11764 setEnabledSetting(componentName.getPackageName(), 11765 componentName.getClassName(), newState, flags, userId, null); 11766 } 11767 11768 private void setEnabledSetting(final String packageName, String className, int newState, 11769 final int flags, int userId, String callingPackage) { 11770 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11771 || newState == COMPONENT_ENABLED_STATE_ENABLED 11772 || newState == COMPONENT_ENABLED_STATE_DISABLED 11773 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11774 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11775 throw new IllegalArgumentException("Invalid new component state: " 11776 + newState); 11777 } 11778 PackageSetting pkgSetting; 11779 final int uid = Binder.getCallingUid(); 11780 final int permission = mContext.checkCallingOrSelfPermission( 11781 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11782 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11783 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11784 boolean sendNow = false; 11785 boolean isApp = (className == null); 11786 String componentName = isApp ? packageName : className; 11787 int packageUid = -1; 11788 ArrayList<String> components; 11789 11790 // writer 11791 synchronized (mPackages) { 11792 pkgSetting = mSettings.mPackages.get(packageName); 11793 if (pkgSetting == null) { 11794 if (className == null) { 11795 throw new IllegalArgumentException( 11796 "Unknown package: " + packageName); 11797 } 11798 throw new IllegalArgumentException( 11799 "Unknown component: " + packageName 11800 + "/" + className); 11801 } 11802 // Allow root and verify that userId is not being specified by a different user 11803 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11804 throw new SecurityException( 11805 "Permission Denial: attempt to change component state from pid=" 11806 + Binder.getCallingPid() 11807 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11808 } 11809 if (className == null) { 11810 // We're dealing with an application/package level state change 11811 if (pkgSetting.getEnabled(userId) == newState) { 11812 // Nothing to do 11813 return; 11814 } 11815 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11816 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11817 // Don't care about who enables an app. 11818 callingPackage = null; 11819 } 11820 pkgSetting.setEnabled(newState, userId, callingPackage); 11821 // pkgSetting.pkg.mSetEnabled = newState; 11822 } else { 11823 // We're dealing with a component level state change 11824 // First, verify that this is a valid class name. 11825 PackageParser.Package pkg = pkgSetting.pkg; 11826 if (pkg == null || !pkg.hasComponentClassName(className)) { 11827 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11828 throw new IllegalArgumentException("Component class " + className 11829 + " does not exist in " + packageName); 11830 } else { 11831 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11832 + className + " does not exist in " + packageName); 11833 } 11834 } 11835 switch (newState) { 11836 case COMPONENT_ENABLED_STATE_ENABLED: 11837 if (!pkgSetting.enableComponentLPw(className, userId)) { 11838 return; 11839 } 11840 break; 11841 case COMPONENT_ENABLED_STATE_DISABLED: 11842 if (!pkgSetting.disableComponentLPw(className, userId)) { 11843 return; 11844 } 11845 break; 11846 case COMPONENT_ENABLED_STATE_DEFAULT: 11847 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11848 return; 11849 } 11850 break; 11851 default: 11852 Slog.e(TAG, "Invalid new component state: " + newState); 11853 return; 11854 } 11855 } 11856 mSettings.writePackageRestrictionsLPr(userId); 11857 components = mPendingBroadcasts.get(userId, packageName); 11858 final boolean newPackage = components == null; 11859 if (newPackage) { 11860 components = new ArrayList<String>(); 11861 } 11862 if (!components.contains(componentName)) { 11863 components.add(componentName); 11864 } 11865 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11866 sendNow = true; 11867 // Purge entry from pending broadcast list if another one exists already 11868 // since we are sending one right away. 11869 mPendingBroadcasts.remove(userId, packageName); 11870 } else { 11871 if (newPackage) { 11872 mPendingBroadcasts.put(userId, packageName, components); 11873 } 11874 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11875 // Schedule a message 11876 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11877 } 11878 } 11879 } 11880 11881 long callingId = Binder.clearCallingIdentity(); 11882 try { 11883 if (sendNow) { 11884 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11885 sendPackageChangedBroadcast(packageName, 11886 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11887 } 11888 } finally { 11889 Binder.restoreCallingIdentity(callingId); 11890 } 11891 } 11892 11893 private void sendPackageChangedBroadcast(String packageName, 11894 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11895 if (DEBUG_INSTALL) 11896 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11897 + componentNames); 11898 Bundle extras = new Bundle(4); 11899 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11900 String nameList[] = new String[componentNames.size()]; 11901 componentNames.toArray(nameList); 11902 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11903 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11904 extras.putInt(Intent.EXTRA_UID, packageUid); 11905 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11906 new int[] {UserHandle.getUserId(packageUid)}); 11907 } 11908 11909 @Override 11910 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11911 if (!sUserManager.exists(userId)) return; 11912 final int uid = Binder.getCallingUid(); 11913 final int permission = mContext.checkCallingOrSelfPermission( 11914 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11915 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11916 enforceCrossUserPermission(uid, userId, true, "stop package"); 11917 // writer 11918 synchronized (mPackages) { 11919 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11920 uid, userId)) { 11921 scheduleWritePackageRestrictionsLocked(userId); 11922 } 11923 } 11924 } 11925 11926 @Override 11927 public String getInstallerPackageName(String packageName) { 11928 // reader 11929 synchronized (mPackages) { 11930 return mSettings.getInstallerPackageNameLPr(packageName); 11931 } 11932 } 11933 11934 @Override 11935 public int getApplicationEnabledSetting(String packageName, int userId) { 11936 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11937 int uid = Binder.getCallingUid(); 11938 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11939 // reader 11940 synchronized (mPackages) { 11941 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11942 } 11943 } 11944 11945 @Override 11946 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11947 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11948 int uid = Binder.getCallingUid(); 11949 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11950 // reader 11951 synchronized (mPackages) { 11952 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11953 } 11954 } 11955 11956 @Override 11957 public void enterSafeMode() { 11958 enforceSystemOrRoot("Only the system can request entering safe mode"); 11959 11960 if (!mSystemReady) { 11961 mSafeMode = true; 11962 } 11963 } 11964 11965 @Override 11966 public void systemReady() { 11967 mSystemReady = true; 11968 11969 // Read the compatibilty setting when the system is ready. 11970 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11971 mContext.getContentResolver(), 11972 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11973 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11974 if (DEBUG_SETTINGS) { 11975 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11976 } 11977 11978 synchronized (mPackages) { 11979 // Verify that all of the preferred activity components actually 11980 // exist. It is possible for applications to be updated and at 11981 // that point remove a previously declared activity component that 11982 // had been set as a preferred activity. We try to clean this up 11983 // the next time we encounter that preferred activity, but it is 11984 // possible for the user flow to never be able to return to that 11985 // situation so here we do a sanity check to make sure we haven't 11986 // left any junk around. 11987 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11988 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11989 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11990 removed.clear(); 11991 for (PreferredActivity pa : pir.filterSet()) { 11992 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11993 removed.add(pa); 11994 } 11995 } 11996 if (removed.size() > 0) { 11997 for (int r=0; r<removed.size(); r++) { 11998 PreferredActivity pa = removed.get(r); 11999 Slog.w(TAG, "Removing dangling preferred activity: " 12000 + pa.mPref.mComponent); 12001 pir.removeFilter(pa); 12002 } 12003 mSettings.writePackageRestrictionsLPr( 12004 mSettings.mPreferredActivities.keyAt(i)); 12005 } 12006 } 12007 } 12008 sUserManager.systemReady(); 12009 } 12010 12011 @Override 12012 public boolean isSafeMode() { 12013 return mSafeMode; 12014 } 12015 12016 @Override 12017 public boolean hasSystemUidErrors() { 12018 return mHasSystemUidErrors; 12019 } 12020 12021 static String arrayToString(int[] array) { 12022 StringBuffer buf = new StringBuffer(128); 12023 buf.append('['); 12024 if (array != null) { 12025 for (int i=0; i<array.length; i++) { 12026 if (i > 0) buf.append(", "); 12027 buf.append(array[i]); 12028 } 12029 } 12030 buf.append(']'); 12031 return buf.toString(); 12032 } 12033 12034 static class DumpState { 12035 public static final int DUMP_LIBS = 1 << 0; 12036 public static final int DUMP_FEATURES = 1 << 1; 12037 public static final int DUMP_RESOLVERS = 1 << 2; 12038 public static final int DUMP_PERMISSIONS = 1 << 3; 12039 public static final int DUMP_PACKAGES = 1 << 4; 12040 public static final int DUMP_SHARED_USERS = 1 << 5; 12041 public static final int DUMP_MESSAGES = 1 << 6; 12042 public static final int DUMP_PROVIDERS = 1 << 7; 12043 public static final int DUMP_VERIFIERS = 1 << 8; 12044 public static final int DUMP_PREFERRED = 1 << 9; 12045 public static final int DUMP_PREFERRED_XML = 1 << 10; 12046 public static final int DUMP_KEYSETS = 1 << 11; 12047 public static final int DUMP_VERSION = 1 << 12; 12048 public static final int DUMP_INSTALLS = 1 << 13; 12049 12050 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12051 12052 private int mTypes; 12053 12054 private int mOptions; 12055 12056 private boolean mTitlePrinted; 12057 12058 private SharedUserSetting mSharedUser; 12059 12060 public boolean isDumping(int type) { 12061 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12062 return true; 12063 } 12064 12065 return (mTypes & type) != 0; 12066 } 12067 12068 public void setDump(int type) { 12069 mTypes |= type; 12070 } 12071 12072 public boolean isOptionEnabled(int option) { 12073 return (mOptions & option) != 0; 12074 } 12075 12076 public void setOptionEnabled(int option) { 12077 mOptions |= option; 12078 } 12079 12080 public boolean onTitlePrinted() { 12081 final boolean printed = mTitlePrinted; 12082 mTitlePrinted = true; 12083 return printed; 12084 } 12085 12086 public boolean getTitlePrinted() { 12087 return mTitlePrinted; 12088 } 12089 12090 public void setTitlePrinted(boolean enabled) { 12091 mTitlePrinted = enabled; 12092 } 12093 12094 public SharedUserSetting getSharedUser() { 12095 return mSharedUser; 12096 } 12097 12098 public void setSharedUser(SharedUserSetting user) { 12099 mSharedUser = user; 12100 } 12101 } 12102 12103 @Override 12104 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12105 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12106 != PackageManager.PERMISSION_GRANTED) { 12107 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12108 + Binder.getCallingPid() 12109 + ", uid=" + Binder.getCallingUid() 12110 + " without permission " 12111 + android.Manifest.permission.DUMP); 12112 return; 12113 } 12114 12115 DumpState dumpState = new DumpState(); 12116 boolean fullPreferred = false; 12117 boolean checkin = false; 12118 12119 String packageName = null; 12120 12121 int opti = 0; 12122 while (opti < args.length) { 12123 String opt = args[opti]; 12124 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12125 break; 12126 } 12127 opti++; 12128 if ("-a".equals(opt)) { 12129 // Right now we only know how to print all. 12130 } else if ("-h".equals(opt)) { 12131 pw.println("Package manager dump options:"); 12132 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12133 pw.println(" --checkin: dump for a checkin"); 12134 pw.println(" -f: print details of intent filters"); 12135 pw.println(" -h: print this help"); 12136 pw.println(" cmd may be one of:"); 12137 pw.println(" l[ibraries]: list known shared libraries"); 12138 pw.println(" f[ibraries]: list device features"); 12139 pw.println(" k[eysets]: print known keysets"); 12140 pw.println(" r[esolvers]: dump intent resolvers"); 12141 pw.println(" perm[issions]: dump permissions"); 12142 pw.println(" pref[erred]: print preferred package settings"); 12143 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12144 pw.println(" prov[iders]: dump content providers"); 12145 pw.println(" p[ackages]: dump installed packages"); 12146 pw.println(" s[hared-users]: dump shared user IDs"); 12147 pw.println(" m[essages]: print collected runtime messages"); 12148 pw.println(" v[erifiers]: print package verifier info"); 12149 pw.println(" version: print database version info"); 12150 pw.println(" write: write current settings now"); 12151 pw.println(" <package.name>: info about given package"); 12152 pw.println(" installs: details about install sessions"); 12153 return; 12154 } else if ("--checkin".equals(opt)) { 12155 checkin = true; 12156 } else if ("-f".equals(opt)) { 12157 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12158 } else { 12159 pw.println("Unknown argument: " + opt + "; use -h for help"); 12160 } 12161 } 12162 12163 // Is the caller requesting to dump a particular piece of data? 12164 if (opti < args.length) { 12165 String cmd = args[opti]; 12166 opti++; 12167 // Is this a package name? 12168 if ("android".equals(cmd) || cmd.contains(".")) { 12169 packageName = cmd; 12170 // When dumping a single package, we always dump all of its 12171 // filter information since the amount of data will be reasonable. 12172 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12173 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12174 dumpState.setDump(DumpState.DUMP_LIBS); 12175 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12176 dumpState.setDump(DumpState.DUMP_FEATURES); 12177 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12178 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12179 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12180 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12181 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12182 dumpState.setDump(DumpState.DUMP_PREFERRED); 12183 } else if ("preferred-xml".equals(cmd)) { 12184 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12185 if (opti < args.length && "--full".equals(args[opti])) { 12186 fullPreferred = true; 12187 opti++; 12188 } 12189 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12190 dumpState.setDump(DumpState.DUMP_PACKAGES); 12191 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12192 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12193 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12194 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12195 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12196 dumpState.setDump(DumpState.DUMP_MESSAGES); 12197 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12198 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12199 } else if ("version".equals(cmd)) { 12200 dumpState.setDump(DumpState.DUMP_VERSION); 12201 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12202 dumpState.setDump(DumpState.DUMP_KEYSETS); 12203 } else if ("write".equals(cmd)) { 12204 synchronized (mPackages) { 12205 mSettings.writeLPr(); 12206 pw.println("Settings written."); 12207 return; 12208 } 12209 } else if ("installs".equals(cmd)) { 12210 dumpState.setDump(DumpState.DUMP_INSTALLS); 12211 } 12212 } 12213 12214 if (checkin) { 12215 pw.println("vers,1"); 12216 } 12217 12218 // reader 12219 synchronized (mPackages) { 12220 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12221 if (!checkin) { 12222 if (dumpState.onTitlePrinted()) 12223 pw.println(); 12224 pw.println("Database versions:"); 12225 pw.print(" SDK Version:"); 12226 pw.print(" internal="); 12227 pw.print(mSettings.mInternalSdkPlatform); 12228 pw.print(" external="); 12229 pw.println(mSettings.mExternalSdkPlatform); 12230 pw.print(" DB Version:"); 12231 pw.print(" internal="); 12232 pw.print(mSettings.mInternalDatabaseVersion); 12233 pw.print(" external="); 12234 pw.println(mSettings.mExternalDatabaseVersion); 12235 } 12236 } 12237 12238 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12239 if (!checkin) { 12240 if (dumpState.onTitlePrinted()) 12241 pw.println(); 12242 pw.println("Verifiers:"); 12243 pw.print(" Required: "); 12244 pw.print(mRequiredVerifierPackage); 12245 pw.print(" (uid="); 12246 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12247 pw.println(")"); 12248 } else if (mRequiredVerifierPackage != null) { 12249 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12250 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12251 } 12252 } 12253 12254 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12255 boolean printedHeader = false; 12256 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12257 while (it.hasNext()) { 12258 String name = it.next(); 12259 SharedLibraryEntry ent = mSharedLibraries.get(name); 12260 if (!checkin) { 12261 if (!printedHeader) { 12262 if (dumpState.onTitlePrinted()) 12263 pw.println(); 12264 pw.println("Libraries:"); 12265 printedHeader = true; 12266 } 12267 pw.print(" "); 12268 } else { 12269 pw.print("lib,"); 12270 } 12271 pw.print(name); 12272 if (!checkin) { 12273 pw.print(" -> "); 12274 } 12275 if (ent.path != null) { 12276 if (!checkin) { 12277 pw.print("(jar) "); 12278 pw.print(ent.path); 12279 } else { 12280 pw.print(",jar,"); 12281 pw.print(ent.path); 12282 } 12283 } else { 12284 if (!checkin) { 12285 pw.print("(apk) "); 12286 pw.print(ent.apk); 12287 } else { 12288 pw.print(",apk,"); 12289 pw.print(ent.apk); 12290 } 12291 } 12292 pw.println(); 12293 } 12294 } 12295 12296 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12297 if (dumpState.onTitlePrinted()) 12298 pw.println(); 12299 if (!checkin) { 12300 pw.println("Features:"); 12301 } 12302 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12303 while (it.hasNext()) { 12304 String name = it.next(); 12305 if (!checkin) { 12306 pw.print(" "); 12307 } else { 12308 pw.print("feat,"); 12309 } 12310 pw.println(name); 12311 } 12312 } 12313 12314 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12315 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12316 : "Activity Resolver Table:", " ", packageName, 12317 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12318 dumpState.setTitlePrinted(true); 12319 } 12320 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12321 : "Receiver Resolver Table:", " ", packageName, 12322 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12323 dumpState.setTitlePrinted(true); 12324 } 12325 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12326 : "Service Resolver Table:", " ", packageName, 12327 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12328 dumpState.setTitlePrinted(true); 12329 } 12330 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12331 : "Provider Resolver Table:", " ", packageName, 12332 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12333 dumpState.setTitlePrinted(true); 12334 } 12335 } 12336 12337 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12338 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12339 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12340 int user = mSettings.mPreferredActivities.keyAt(i); 12341 if (pir.dump(pw, 12342 dumpState.getTitlePrinted() 12343 ? "\nPreferred Activities User " + user + ":" 12344 : "Preferred Activities User " + user + ":", " ", 12345 packageName, true)) { 12346 dumpState.setTitlePrinted(true); 12347 } 12348 } 12349 } 12350 12351 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12352 pw.flush(); 12353 FileOutputStream fout = new FileOutputStream(fd); 12354 BufferedOutputStream str = new BufferedOutputStream(fout); 12355 XmlSerializer serializer = new FastXmlSerializer(); 12356 try { 12357 serializer.setOutput(str, "utf-8"); 12358 serializer.startDocument(null, true); 12359 serializer.setFeature( 12360 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12361 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12362 serializer.endDocument(); 12363 serializer.flush(); 12364 } catch (IllegalArgumentException e) { 12365 pw.println("Failed writing: " + e); 12366 } catch (IllegalStateException e) { 12367 pw.println("Failed writing: " + e); 12368 } catch (IOException e) { 12369 pw.println("Failed writing: " + e); 12370 } 12371 } 12372 12373 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12374 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12375 if (packageName == null) { 12376 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12377 if (iperm == 0) { 12378 if (dumpState.onTitlePrinted()) 12379 pw.println(); 12380 pw.println("AppOp Permissions:"); 12381 } 12382 pw.print(" AppOp Permission "); 12383 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12384 pw.println(":"); 12385 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12386 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12387 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12388 } 12389 } 12390 } 12391 } 12392 12393 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12394 boolean printedSomething = false; 12395 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12396 if (packageName != null && !packageName.equals(p.info.packageName)) { 12397 continue; 12398 } 12399 if (!printedSomething) { 12400 if (dumpState.onTitlePrinted()) 12401 pw.println(); 12402 pw.println("Registered ContentProviders:"); 12403 printedSomething = true; 12404 } 12405 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12406 pw.print(" "); pw.println(p.toString()); 12407 } 12408 printedSomething = false; 12409 for (Map.Entry<String, PackageParser.Provider> entry : 12410 mProvidersByAuthority.entrySet()) { 12411 PackageParser.Provider p = entry.getValue(); 12412 if (packageName != null && !packageName.equals(p.info.packageName)) { 12413 continue; 12414 } 12415 if (!printedSomething) { 12416 if (dumpState.onTitlePrinted()) 12417 pw.println(); 12418 pw.println("ContentProvider Authorities:"); 12419 printedSomething = true; 12420 } 12421 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12422 pw.print(" "); pw.println(p.toString()); 12423 if (p.info != null && p.info.applicationInfo != null) { 12424 final String appInfo = p.info.applicationInfo.toString(); 12425 pw.print(" applicationInfo="); pw.println(appInfo); 12426 } 12427 } 12428 } 12429 12430 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12431 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12432 } 12433 12434 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12435 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12436 } 12437 12438 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12439 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12440 } 12441 12442 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS)) { 12443 if (dumpState.onTitlePrinted()) pw.println(); 12444 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12445 } 12446 12447 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12448 if (dumpState.onTitlePrinted()) pw.println(); 12449 mSettings.dumpReadMessagesLPr(pw, dumpState); 12450 12451 pw.println(); 12452 pw.println("Package warning messages:"); 12453 final File fname = getSettingsProblemFile(); 12454 FileInputStream in = null; 12455 try { 12456 in = new FileInputStream(fname); 12457 final int avail = in.available(); 12458 final byte[] data = new byte[avail]; 12459 in.read(data); 12460 pw.print(new String(data)); 12461 } catch (FileNotFoundException e) { 12462 } catch (IOException e) { 12463 } finally { 12464 if (in != null) { 12465 try { 12466 in.close(); 12467 } catch (IOException e) { 12468 } 12469 } 12470 } 12471 } 12472 } 12473 } 12474 12475 // ------- apps on sdcard specific code ------- 12476 static final boolean DEBUG_SD_INSTALL = false; 12477 12478 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12479 12480 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12481 12482 private boolean mMediaMounted = false; 12483 12484 static String getEncryptKey() { 12485 try { 12486 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12487 SD_ENCRYPTION_KEYSTORE_NAME); 12488 if (sdEncKey == null) { 12489 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12490 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12491 if (sdEncKey == null) { 12492 Slog.e(TAG, "Failed to create encryption keys"); 12493 return null; 12494 } 12495 } 12496 return sdEncKey; 12497 } catch (NoSuchAlgorithmException nsae) { 12498 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12499 return null; 12500 } catch (IOException ioe) { 12501 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12502 return null; 12503 } 12504 } 12505 12506 /* 12507 * Update media status on PackageManager. 12508 */ 12509 @Override 12510 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12511 int callingUid = Binder.getCallingUid(); 12512 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12513 throw new SecurityException("Media status can only be updated by the system"); 12514 } 12515 // reader; this apparently protects mMediaMounted, but should probably 12516 // be a different lock in that case. 12517 synchronized (mPackages) { 12518 Log.i(TAG, "Updating external media status from " 12519 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12520 + (mediaStatus ? "mounted" : "unmounted")); 12521 if (DEBUG_SD_INSTALL) 12522 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12523 + ", mMediaMounted=" + mMediaMounted); 12524 if (mediaStatus == mMediaMounted) { 12525 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12526 : 0, -1); 12527 mHandler.sendMessage(msg); 12528 return; 12529 } 12530 mMediaMounted = mediaStatus; 12531 } 12532 // Queue up an async operation since the package installation may take a 12533 // little while. 12534 mHandler.post(new Runnable() { 12535 public void run() { 12536 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12537 } 12538 }); 12539 } 12540 12541 /** 12542 * Called by MountService when the initial ASECs to scan are available. 12543 * Should block until all the ASEC containers are finished being scanned. 12544 */ 12545 public void scanAvailableAsecs() { 12546 updateExternalMediaStatusInner(true, false, false); 12547 if (mShouldRestoreconData) { 12548 SELinuxMMAC.setRestoreconDone(); 12549 mShouldRestoreconData = false; 12550 } 12551 } 12552 12553 /* 12554 * Collect information of applications on external media, map them against 12555 * existing containers and update information based on current mount status. 12556 * Please note that we always have to report status if reportStatus has been 12557 * set to true especially when unloading packages. 12558 */ 12559 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12560 boolean externalStorage) { 12561 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12562 int[] uidArr = EmptyArray.INT; 12563 12564 final String[] list = PackageHelper.getSecureContainerList(); 12565 if (ArrayUtils.isEmpty(list)) { 12566 Log.i(TAG, "No secure containers found"); 12567 } else { 12568 // Process list of secure containers and categorize them 12569 // as active or stale based on their package internal state. 12570 12571 // reader 12572 synchronized (mPackages) { 12573 for (String cid : list) { 12574 // Leave stages untouched for now; installer service owns them 12575 if (PackageInstallerService.isStageName(cid)) continue; 12576 12577 if (DEBUG_SD_INSTALL) 12578 Log.i(TAG, "Processing container " + cid); 12579 String pkgName = getAsecPackageName(cid); 12580 if (pkgName == null) { 12581 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12582 continue; 12583 } 12584 if (DEBUG_SD_INSTALL) 12585 Log.i(TAG, "Looking for pkg : " + pkgName); 12586 12587 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12588 if (ps == null) { 12589 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12590 continue; 12591 } 12592 12593 /* 12594 * Skip packages that are not external if we're unmounting 12595 * external storage. 12596 */ 12597 if (externalStorage && !isMounted && !isExternal(ps)) { 12598 continue; 12599 } 12600 12601 final AsecInstallArgs args = new AsecInstallArgs(cid, 12602 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12603 // The package status is changed only if the code path 12604 // matches between settings and the container id. 12605 if (ps.codePathString != null 12606 && ps.codePathString.startsWith(args.getCodePath())) { 12607 if (DEBUG_SD_INSTALL) { 12608 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12609 + " at code path: " + ps.codePathString); 12610 } 12611 12612 // We do have a valid package installed on sdcard 12613 processCids.put(args, ps.codePathString); 12614 final int uid = ps.appId; 12615 if (uid != -1) { 12616 uidArr = ArrayUtils.appendInt(uidArr, uid); 12617 } 12618 } else { 12619 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12620 + ps.codePathString); 12621 } 12622 } 12623 } 12624 12625 Arrays.sort(uidArr); 12626 } 12627 12628 // Process packages with valid entries. 12629 if (isMounted) { 12630 if (DEBUG_SD_INSTALL) 12631 Log.i(TAG, "Loading packages"); 12632 loadMediaPackages(processCids, uidArr); 12633 startCleaningPackages(); 12634 mInstallerService.onSecureContainersAvailable(); 12635 } else { 12636 if (DEBUG_SD_INSTALL) 12637 Log.i(TAG, "Unloading packages"); 12638 unloadMediaPackages(processCids, uidArr, reportStatus); 12639 } 12640 } 12641 12642 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12643 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12644 int size = pkgList.size(); 12645 if (size > 0) { 12646 // Send broadcasts here 12647 Bundle extras = new Bundle(); 12648 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12649 .toArray(new String[size])); 12650 if (uidArr != null) { 12651 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12652 } 12653 if (replacing) { 12654 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12655 } 12656 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12657 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12658 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12659 } 12660 } 12661 12662 /* 12663 * Look at potentially valid container ids from processCids If package 12664 * information doesn't match the one on record or package scanning fails, 12665 * the cid is added to list of removeCids. We currently don't delete stale 12666 * containers. 12667 */ 12668 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12669 ArrayList<String> pkgList = new ArrayList<String>(); 12670 Set<AsecInstallArgs> keys = processCids.keySet(); 12671 12672 for (AsecInstallArgs args : keys) { 12673 String codePath = processCids.get(args); 12674 if (DEBUG_SD_INSTALL) 12675 Log.i(TAG, "Loading container : " + args.cid); 12676 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12677 try { 12678 // Make sure there are no container errors first. 12679 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12680 Slog.e(TAG, "Failed to mount cid : " + args.cid 12681 + " when installing from sdcard"); 12682 continue; 12683 } 12684 // Check code path here. 12685 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12686 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12687 + " does not match one in settings " + codePath); 12688 continue; 12689 } 12690 // Parse package 12691 int parseFlags = mDefParseFlags; 12692 if (args.isExternal()) { 12693 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12694 } 12695 if (args.isFwdLocked()) { 12696 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12697 } 12698 12699 synchronized (mInstallLock) { 12700 PackageParser.Package pkg = null; 12701 try { 12702 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12703 } catch (PackageManagerException e) { 12704 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12705 } 12706 // Scan the package 12707 if (pkg != null) { 12708 /* 12709 * TODO why is the lock being held? doPostInstall is 12710 * called in other places without the lock. This needs 12711 * to be straightened out. 12712 */ 12713 // writer 12714 synchronized (mPackages) { 12715 retCode = PackageManager.INSTALL_SUCCEEDED; 12716 pkgList.add(pkg.packageName); 12717 // Post process args 12718 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12719 pkg.applicationInfo.uid); 12720 } 12721 } else { 12722 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12723 } 12724 } 12725 12726 } finally { 12727 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12728 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12729 } 12730 } 12731 } 12732 // writer 12733 synchronized (mPackages) { 12734 // If the platform SDK has changed since the last time we booted, 12735 // we need to re-grant app permission to catch any new ones that 12736 // appear. This is really a hack, and means that apps can in some 12737 // cases get permissions that the user didn't initially explicitly 12738 // allow... it would be nice to have some better way to handle 12739 // this situation. 12740 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12741 if (regrantPermissions) 12742 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12743 + mSdkVersion + "; regranting permissions for external storage"); 12744 mSettings.mExternalSdkPlatform = mSdkVersion; 12745 12746 // Make sure group IDs have been assigned, and any permission 12747 // changes in other apps are accounted for 12748 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12749 | (regrantPermissions 12750 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12751 : 0)); 12752 12753 mSettings.updateExternalDatabaseVersion(); 12754 12755 // can downgrade to reader 12756 // Persist settings 12757 mSettings.writeLPr(); 12758 } 12759 // Send a broadcast to let everyone know we are done processing 12760 if (pkgList.size() > 0) { 12761 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12762 } 12763 } 12764 12765 /* 12766 * Utility method to unload a list of specified containers 12767 */ 12768 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12769 // Just unmount all valid containers. 12770 for (AsecInstallArgs arg : cidArgs) { 12771 synchronized (mInstallLock) { 12772 arg.doPostDeleteLI(false); 12773 } 12774 } 12775 } 12776 12777 /* 12778 * Unload packages mounted on external media. This involves deleting package 12779 * data from internal structures, sending broadcasts about diabled packages, 12780 * gc'ing to free up references, unmounting all secure containers 12781 * corresponding to packages on external media, and posting a 12782 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12783 * that we always have to post this message if status has been requested no 12784 * matter what. 12785 */ 12786 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12787 final boolean reportStatus) { 12788 if (DEBUG_SD_INSTALL) 12789 Log.i(TAG, "unloading media packages"); 12790 ArrayList<String> pkgList = new ArrayList<String>(); 12791 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12792 final Set<AsecInstallArgs> keys = processCids.keySet(); 12793 for (AsecInstallArgs args : keys) { 12794 String pkgName = args.getPackageName(); 12795 if (DEBUG_SD_INSTALL) 12796 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12797 // Delete package internally 12798 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12799 synchronized (mInstallLock) { 12800 boolean res = deletePackageLI(pkgName, null, false, null, null, 12801 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12802 if (res) { 12803 pkgList.add(pkgName); 12804 } else { 12805 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12806 failedList.add(args); 12807 } 12808 } 12809 } 12810 12811 // reader 12812 synchronized (mPackages) { 12813 // We didn't update the settings after removing each package; 12814 // write them now for all packages. 12815 mSettings.writeLPr(); 12816 } 12817 12818 // We have to absolutely send UPDATED_MEDIA_STATUS only 12819 // after confirming that all the receivers processed the ordered 12820 // broadcast when packages get disabled, force a gc to clean things up. 12821 // and unload all the containers. 12822 if (pkgList.size() > 0) { 12823 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12824 new IIntentReceiver.Stub() { 12825 public void performReceive(Intent intent, int resultCode, String data, 12826 Bundle extras, boolean ordered, boolean sticky, 12827 int sendingUser) throws RemoteException { 12828 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12829 reportStatus ? 1 : 0, 1, keys); 12830 mHandler.sendMessage(msg); 12831 } 12832 }); 12833 } else { 12834 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12835 keys); 12836 mHandler.sendMessage(msg); 12837 } 12838 } 12839 12840 /** Binder call */ 12841 @Override 12842 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12843 final int flags) { 12844 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12845 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12846 int returnCode = PackageManager.MOVE_SUCCEEDED; 12847 int currInstallFlags = 0; 12848 int newInstallFlags = 0; 12849 12850 File codeFile = null; 12851 String installerPackageName = null; 12852 String packageAbiOverride = null; 12853 12854 // reader 12855 synchronized (mPackages) { 12856 final PackageParser.Package pkg = mPackages.get(packageName); 12857 final PackageSetting ps = mSettings.mPackages.get(packageName); 12858 if (pkg == null || ps == null) { 12859 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12860 } else { 12861 // Disable moving fwd locked apps and system packages 12862 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12863 Slog.w(TAG, "Cannot move system application"); 12864 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12865 } else if (pkg.mOperationPending) { 12866 Slog.w(TAG, "Attempt to move package which has pending operations"); 12867 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12868 } else { 12869 // Find install location first 12870 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12871 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12872 Slog.w(TAG, "Ambigous flags specified for move location."); 12873 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12874 } else { 12875 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12876 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 12877 currInstallFlags = isExternal(pkg) 12878 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 12879 12880 if (newInstallFlags == currInstallFlags) { 12881 Slog.w(TAG, "No move required. Trying to move to same location"); 12882 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12883 } else { 12884 if (isForwardLocked(pkg)) { 12885 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12886 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12887 } 12888 } 12889 } 12890 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12891 pkg.mOperationPending = true; 12892 } 12893 } 12894 12895 codeFile = new File(pkg.codePath); 12896 installerPackageName = ps.installerPackageName; 12897 packageAbiOverride = ps.cpuAbiOverrideString; 12898 } 12899 } 12900 12901 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12902 try { 12903 observer.packageMoved(packageName, returnCode); 12904 } catch (RemoteException ignored) { 12905 } 12906 return; 12907 } 12908 12909 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 12910 @Override 12911 public void onUserActionRequired(Intent intent) throws RemoteException { 12912 throw new IllegalStateException(); 12913 } 12914 12915 @Override 12916 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 12917 Bundle extras) throws RemoteException { 12918 Slog.d(TAG, "Install result for move: " 12919 + PackageManager.installStatusToString(returnCode, msg)); 12920 12921 // We usually have a new package now after the install, but if 12922 // we failed we need to clear the pending flag on the original 12923 // package object. 12924 synchronized (mPackages) { 12925 final PackageParser.Package pkg = mPackages.get(packageName); 12926 if (pkg != null) { 12927 pkg.mOperationPending = false; 12928 } 12929 } 12930 12931 final int status = PackageManager.installStatusToPublicStatus(returnCode); 12932 switch (status) { 12933 case PackageInstaller.STATUS_SUCCESS: 12934 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 12935 break; 12936 case PackageInstaller.STATUS_FAILURE_STORAGE: 12937 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 12938 break; 12939 default: 12940 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 12941 break; 12942 } 12943 } 12944 }; 12945 12946 // Treat a move like reinstalling an existing app, which ensures that we 12947 // process everythign uniformly, like unpacking native libraries. 12948 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 12949 12950 final Message msg = mHandler.obtainMessage(INIT_COPY); 12951 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 12952 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 12953 installerPackageName, null, user, packageAbiOverride); 12954 mHandler.sendMessage(msg); 12955 } 12956 12957 @Override 12958 public boolean setInstallLocation(int loc) { 12959 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12960 null); 12961 if (getInstallLocation() == loc) { 12962 return true; 12963 } 12964 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12965 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12966 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12967 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12968 return true; 12969 } 12970 return false; 12971 } 12972 12973 @Override 12974 public int getInstallLocation() { 12975 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12976 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12977 PackageHelper.APP_INSTALL_AUTO); 12978 } 12979 12980 /** Called by UserManagerService */ 12981 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 12982 mDirtyUsers.remove(userHandle); 12983 mSettings.removeUserLPw(userHandle); 12984 mPendingBroadcasts.remove(userHandle); 12985 if (mInstaller != null) { 12986 // Technically, we shouldn't be doing this with the package lock 12987 // held. However, this is very rare, and there is already so much 12988 // other disk I/O going on, that we'll let it slide for now. 12989 mInstaller.removeUserDataDirs(userHandle); 12990 } 12991 mUserNeedsBadging.delete(userHandle); 12992 removeUnusedPackagesLILPw(userManager, userHandle); 12993 } 12994 12995 /** 12996 * We're removing userHandle and would like to remove any downloaded packages 12997 * that are no longer in use by any other user. 12998 * @param userHandle the user being removed 12999 */ 13000 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13001 final boolean DEBUG_CLEAN_APKS = false; 13002 int [] users = userManager.getUserIdsLPr(); 13003 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13004 while (psit.hasNext()) { 13005 PackageSetting ps = psit.next(); 13006 final String packageName = ps.pkg.packageName; 13007 // Skip over if system app 13008 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13009 continue; 13010 } 13011 if (DEBUG_CLEAN_APKS) { 13012 Slog.i(TAG, "Checking package " + packageName); 13013 } 13014 boolean keep = false; 13015 for (int i = 0; i < users.length; i++) { 13016 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13017 keep = true; 13018 if (DEBUG_CLEAN_APKS) { 13019 Slog.i(TAG, " Keeping package " + packageName + " for user " 13020 + users[i]); 13021 } 13022 break; 13023 } 13024 } 13025 if (!keep) { 13026 if (DEBUG_CLEAN_APKS) { 13027 Slog.i(TAG, " Removing package " + packageName); 13028 } 13029 mHandler.post(new Runnable() { 13030 public void run() { 13031 deletePackageX(packageName, userHandle, 0); 13032 } //end run 13033 }); 13034 } 13035 } 13036 } 13037 13038 /** Called by UserManagerService */ 13039 void createNewUserLILPw(int userHandle, File path) { 13040 if (mInstaller != null) { 13041 mInstaller.createUserConfig(userHandle); 13042 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13043 } 13044 } 13045 13046 @Override 13047 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13048 mContext.enforceCallingOrSelfPermission( 13049 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13050 "Only package verification agents can read the verifier device identity"); 13051 13052 synchronized (mPackages) { 13053 return mSettings.getVerifierDeviceIdentityLPw(); 13054 } 13055 } 13056 13057 @Override 13058 public void setPermissionEnforced(String permission, boolean enforced) { 13059 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13060 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13061 synchronized (mPackages) { 13062 if (mSettings.mReadExternalStorageEnforced == null 13063 || mSettings.mReadExternalStorageEnforced != enforced) { 13064 mSettings.mReadExternalStorageEnforced = enforced; 13065 mSettings.writeLPr(); 13066 } 13067 } 13068 // kill any non-foreground processes so we restart them and 13069 // grant/revoke the GID. 13070 final IActivityManager am = ActivityManagerNative.getDefault(); 13071 if (am != null) { 13072 final long token = Binder.clearCallingIdentity(); 13073 try { 13074 am.killProcessesBelowForeground("setPermissionEnforcement"); 13075 } catch (RemoteException e) { 13076 } finally { 13077 Binder.restoreCallingIdentity(token); 13078 } 13079 } 13080 } else { 13081 throw new IllegalArgumentException("No selective enforcement for " + permission); 13082 } 13083 } 13084 13085 @Override 13086 @Deprecated 13087 public boolean isPermissionEnforced(String permission) { 13088 return true; 13089 } 13090 13091 @Override 13092 public boolean isStorageLow() { 13093 final long token = Binder.clearCallingIdentity(); 13094 try { 13095 final DeviceStorageMonitorInternal 13096 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13097 if (dsm != null) { 13098 return dsm.isMemoryLow(); 13099 } else { 13100 return false; 13101 } 13102 } finally { 13103 Binder.restoreCallingIdentity(token); 13104 } 13105 } 13106 13107 @Override 13108 public IPackageInstaller getPackageInstaller() { 13109 return mInstallerService; 13110 } 13111 13112 private boolean userNeedsBadging(int userId) { 13113 int index = mUserNeedsBadging.indexOfKey(userId); 13114 if (index < 0) { 13115 final UserInfo userInfo; 13116 final long token = Binder.clearCallingIdentity(); 13117 try { 13118 userInfo = sUserManager.getUserInfo(userId); 13119 } finally { 13120 Binder.restoreCallingIdentity(token); 13121 } 13122 final boolean b; 13123 if (userInfo != null && userInfo.isManagedProfile()) { 13124 b = true; 13125 } else { 13126 b = false; 13127 } 13128 mUserNeedsBadging.put(userId, b); 13129 return b; 13130 } 13131 return mUserNeedsBadging.valueAt(index); 13132 } 13133 13134 @Override 13135 public KeySetHandle getKeySetByAlias(String packageName, String alias) { 13136 if (packageName == null || alias == null) { 13137 return null; 13138 } 13139 synchronized(mPackages) { 13140 final PackageParser.Package pkg = mPackages.get(packageName); 13141 if (pkg == null) { 13142 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13143 throw new IllegalArgumentException("Unknown package: " + packageName); 13144 } 13145 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13146 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13147 throw new SecurityException("May not access KeySets defined by" 13148 + " aliases in other applications."); 13149 } 13150 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13151 return ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias); 13152 } 13153 } 13154 13155 @Override 13156 public KeySetHandle getSigningKeySet(String packageName) { 13157 if (packageName == null) { 13158 return null; 13159 } 13160 synchronized(mPackages) { 13161 final PackageParser.Package pkg = mPackages.get(packageName); 13162 if (pkg == null) { 13163 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13164 throw new IllegalArgumentException("Unknown package: " + packageName); 13165 } 13166 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13167 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13168 throw new SecurityException("May not access signing KeySet of other apps."); 13169 } 13170 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13171 return ksms.getSigningKeySetByPackageNameLPr(packageName); 13172 } 13173 } 13174 13175 @Override 13176 public boolean isPackageSignedByKeySet(String packageName, IBinder ks) { 13177 if (packageName == null || ks == null) { 13178 return false; 13179 } 13180 synchronized(mPackages) { 13181 final PackageParser.Package pkg = mPackages.get(packageName); 13182 if (pkg == null) { 13183 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13184 throw new IllegalArgumentException("Unknown package: " + packageName); 13185 } 13186 if (ks instanceof KeySetHandle) { 13187 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13188 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ks); 13189 } 13190 return false; 13191 } 13192 } 13193 13194 @Override 13195 public boolean isPackageSignedByKeySetExactly(String packageName, IBinder ks) { 13196 if (packageName == null || ks == null) { 13197 return false; 13198 } 13199 synchronized(mPackages) { 13200 final PackageParser.Package pkg = mPackages.get(packageName); 13201 if (pkg == null) { 13202 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13203 throw new IllegalArgumentException("Unknown package: " + packageName); 13204 } 13205 if (ks instanceof KeySetHandle) { 13206 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13207 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ks); 13208 } 13209 return false; 13210 } 13211 } 13212} 13213