PackageManagerService.java revision 513a074de68a4772a9900e90f38e74ff92c15e7c
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.Manifest.permission.INSTALL_PACKAGES; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 28import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 29import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 30import static android.content.pm.PackageParser.isApkFile; 31import static android.os.Process.PACKAGE_INFO_GID; 32import static android.os.Process.SYSTEM_UID; 33import static android.system.OsConstants.O_CREAT; 34import static android.system.OsConstants.EEXIST; 35import static android.system.OsConstants.O_EXCL; 36import static android.system.OsConstants.O_RDWR; 37import static android.system.OsConstants.O_WRONLY; 38import static android.system.OsConstants.S_IRGRP; 39import static android.system.OsConstants.S_IROTH; 40import static android.system.OsConstants.S_IRWXU; 41import static android.system.OsConstants.S_IXGRP; 42import static android.system.OsConstants.S_IXOTH; 43import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 44import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 45import static com.android.internal.util.ArrayUtils.appendInt; 46import static com.android.internal.util.ArrayUtils.removeInt; 47 48import android.util.ArrayMap; 49 50import com.android.internal.R; 51import com.android.internal.app.IMediaContainerService; 52import com.android.internal.app.ResolverActivity; 53import com.android.internal.content.NativeLibraryHelper; 54import com.android.internal.content.PackageHelper; 55import com.android.internal.os.IParcelFileDescriptorFactory; 56import com.android.internal.util.ArrayUtils; 57import com.android.internal.util.FastPrintWriter; 58import com.android.internal.util.FastXmlSerializer; 59import com.android.internal.util.Preconditions; 60import com.android.internal.util.XmlUtils; 61import com.android.server.EventLogTags; 62import com.android.server.IntentResolver; 63import com.android.server.LocalServices; 64import com.android.server.ServiceThread; 65import com.android.server.SystemConfig; 66import com.android.server.Watchdog; 67import com.android.server.pm.Settings.DatabaseVersion; 68import com.android.server.storage.DeviceStorageMonitorInternal; 69 70import org.xmlpull.v1.XmlPullParser; 71import org.xmlpull.v1.XmlPullParserException; 72import org.xmlpull.v1.XmlSerializer; 73 74import android.app.ActivityManager; 75import android.app.ActivityManagerNative; 76import android.app.IActivityManager; 77import android.app.PackageInstallObserver; 78import android.app.admin.IDevicePolicyManager; 79import android.app.backup.IBackupManager; 80import android.content.BroadcastReceiver; 81import android.content.ComponentName; 82import android.content.Context; 83import android.content.IIntentReceiver; 84import android.content.Intent; 85import android.content.IntentFilter; 86import android.content.IntentSender; 87import android.content.IntentSender.SendIntentException; 88import android.content.ServiceConnection; 89import android.content.pm.ActivityInfo; 90import android.content.pm.ApplicationInfo; 91import android.content.pm.FeatureInfo; 92import android.content.pm.IPackageDataObserver; 93import android.content.pm.IPackageDeleteObserver; 94import android.content.pm.IPackageInstallObserver; 95import android.content.pm.IPackageInstallObserver2; 96import android.content.pm.IPackageInstaller; 97import android.content.pm.IPackageManager; 98import android.content.pm.IPackageMoveObserver; 99import android.content.pm.IPackageStatsObserver; 100import android.content.pm.InstrumentationInfo; 101import android.content.pm.ManifestDigest; 102import android.content.pm.PackageCleanItem; 103import android.content.pm.PackageInfo; 104import android.content.pm.PackageInfoLite; 105import android.content.pm.PackageInstallerParams; 106import android.content.pm.PackageManager; 107import android.content.pm.PackageParser.ActivityIntentInfo; 108import android.content.pm.PackageParser.PackageLite; 109import android.content.pm.PackageParser.PackageParserException; 110import android.content.pm.PackageParser; 111import android.content.pm.PackageStats; 112import android.content.pm.PackageUserState; 113import android.content.pm.ParceledListSlice; 114import android.content.pm.PermissionGroupInfo; 115import android.content.pm.PermissionInfo; 116import android.content.pm.ProviderInfo; 117import android.content.pm.ResolveInfo; 118import android.content.pm.ServiceInfo; 119import android.content.pm.Signature; 120import android.content.pm.UserInfo; 121import android.content.pm.VerificationParams; 122import android.content.pm.VerifierDeviceIdentity; 123import android.content.pm.VerifierInfo; 124import android.content.res.Resources; 125import android.hardware.display.DisplayManager; 126import android.net.Uri; 127import android.os.Binder; 128import android.os.Build; 129import android.os.Bundle; 130import android.os.Environment; 131import android.os.Environment.UserEnvironment; 132import android.os.FileObserver; 133import android.os.FileUtils; 134import android.os.Handler; 135import android.os.IBinder; 136import android.os.Looper; 137import android.os.Message; 138import android.os.Parcel; 139import android.os.ParcelFileDescriptor; 140import android.os.Process; 141import android.os.RemoteException; 142import android.os.SELinux; 143import android.os.ServiceManager; 144import android.os.SystemClock; 145import android.os.SystemProperties; 146import android.os.UserHandle; 147import android.os.UserManager; 148import android.security.KeyStore; 149import android.security.SystemKeyStore; 150import android.system.ErrnoException; 151import android.system.Os; 152import android.system.OsConstants; 153import android.system.StructStat; 154import android.text.TextUtils; 155import android.util.ArraySet; 156import android.util.AtomicFile; 157import android.util.DisplayMetrics; 158import android.util.EventLog; 159import android.util.Log; 160import android.util.LogPrinter; 161import android.util.PrintStreamPrinter; 162import android.util.Slog; 163import android.util.SparseArray; 164import android.util.SparseBooleanArray; 165import android.util.Xml; 166import android.view.Display; 167 168import java.io.BufferedInputStream; 169import java.io.BufferedOutputStream; 170import java.io.File; 171import java.io.FileDescriptor; 172import java.io.FileInputStream; 173import java.io.FileNotFoundException; 174import java.io.FileOutputStream; 175import java.io.FileReader; 176import java.io.FilenameFilter; 177import java.io.IOException; 178import java.io.InputStream; 179import java.io.PrintWriter; 180import java.nio.charset.StandardCharsets; 181import java.security.NoSuchAlgorithmException; 182import java.security.PublicKey; 183import java.security.cert.CertificateEncodingException; 184import java.security.cert.CertificateException; 185import java.text.SimpleDateFormat; 186import java.util.ArrayList; 187import java.util.Arrays; 188import java.util.Collection; 189import java.util.Collections; 190import java.util.Comparator; 191import java.util.Date; 192import java.util.HashMap; 193import java.util.HashSet; 194import java.util.Iterator; 195import java.util.List; 196import java.util.Map; 197import java.util.Random; 198import java.util.Set; 199import java.util.concurrent.atomic.AtomicBoolean; 200import java.util.concurrent.atomic.AtomicLong; 201 202import dalvik.system.DexFile; 203import dalvik.system.StaleDexCacheError; 204import dalvik.system.VMRuntime; 205 206import libcore.io.IoUtils; 207import libcore.io.Libcore; 208 209/** 210 * Keep track of all those .apks everywhere. 211 * 212 * This is very central to the platform's security; please run the unit 213 * tests whenever making modifications here: 214 * 215mmm frameworks/base/tests/AndroidTests 216adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 217adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 218 * 219 * {@hide} 220 */ 221public class PackageManagerService extends IPackageManager.Stub { 222 static final String TAG = "PackageManager"; 223 static final boolean DEBUG_SETTINGS = false; 224 static final boolean DEBUG_PREFERRED = false; 225 static final boolean DEBUG_UPGRADE = false; 226 private static final boolean DEBUG_INSTALL = false; 227 private static final boolean DEBUG_REMOVE = false; 228 private static final boolean DEBUG_BROADCASTS = false; 229 private static final boolean DEBUG_SHOW_INFO = false; 230 private static final boolean DEBUG_PACKAGE_INFO = false; 231 private static final boolean DEBUG_INTENT_MATCHING = false; 232 private static final boolean DEBUG_PACKAGE_SCANNING = false; 233 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 234 private static final boolean DEBUG_VERIFY = false; 235 private static final boolean DEBUG_DEXOPT = false; 236 237 private static final int RADIO_UID = Process.PHONE_UID; 238 private static final int LOG_UID = Process.LOG_UID; 239 private static final int NFC_UID = Process.NFC_UID; 240 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 241 private static final int SHELL_UID = Process.SHELL_UID; 242 243 // Cap the size of permission trees that 3rd party apps can define 244 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 245 246 private static final int REMOVE_EVENTS = 247 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 248 private static final int ADD_EVENTS = 249 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 250 251 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 252 // Suffix used during package installation when copying/moving 253 // package apks to install directory. 254 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 255 256 static final int SCAN_MONITOR = 1<<0; 257 static final int SCAN_NO_DEX = 1<<1; 258 static final int SCAN_FORCE_DEX = 1<<2; 259 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 260 static final int SCAN_NEW_INSTALL = 1<<4; 261 static final int SCAN_NO_PATHS = 1<<5; 262 static final int SCAN_UPDATE_TIME = 1<<6; 263 static final int SCAN_DEFER_DEX = 1<<7; 264 static final int SCAN_BOOTING = 1<<8; 265 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 266 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 267 268 static final int REMOVE_CHATTY = 1<<16; 269 270 /** 271 * Timeout (in milliseconds) after which the watchdog should declare that 272 * our handler thread is wedged. The usual default for such things is one 273 * minute but we sometimes do very lengthy I/O operations on this thread, 274 * such as installing multi-gigabyte applications, so ours needs to be longer. 275 */ 276 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 277 278 /** 279 * Whether verification is enabled by default. 280 */ 281 private static final boolean DEFAULT_VERIFY_ENABLE = true; 282 283 /** 284 * The default maximum time to wait for the verification agent to return in 285 * milliseconds. 286 */ 287 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 288 289 /** 290 * The default response for package verification timeout. 291 * 292 * This can be either PackageManager.VERIFICATION_ALLOW or 293 * PackageManager.VERIFICATION_REJECT. 294 */ 295 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 296 297 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 298 299 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 300 DEFAULT_CONTAINER_PACKAGE, 301 "com.android.defcontainer.DefaultContainerService"); 302 303 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 304 305 private static final String LIB_DIR_NAME = "lib"; 306 private static final String LIB64_DIR_NAME = "lib64"; 307 308 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 309 310 static final String mTempContainerPrefix = "smdl2tmp"; 311 312 private static String sPreferredInstructionSet; 313 314 final ServiceThread mHandlerThread; 315 316 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 317 private static final String IDMAP_SUFFIX = "@idmap"; 318 319 final PackageHandler mHandler; 320 321 final int mSdkVersion = Build.VERSION.SDK_INT; 322 323 final Context mContext; 324 final boolean mFactoryTest; 325 final boolean mOnlyCore; 326 final DisplayMetrics mMetrics; 327 final int mDefParseFlags; 328 final String[] mSeparateProcesses; 329 330 // This is where all application persistent data goes. 331 final File mAppDataDir; 332 333 // This is where all application persistent data goes for secondary users. 334 final File mUserAppDataDir; 335 336 /** The location for ASEC container files on internal storage. */ 337 final String mAsecInternalPath; 338 339 // This is the object monitoring the framework dir. 340 final FileObserver mFrameworkInstallObserver; 341 342 // This is the object monitoring the system app dir. 343 final FileObserver mSystemInstallObserver; 344 345 // This is the object monitoring the privileged system app dir. 346 final FileObserver mPrivilegedInstallObserver; 347 348 // This is the object monitoring the vendor app dir. 349 final FileObserver mVendorInstallObserver; 350 351 // This is the object monitoring the vendor overlay package dir. 352 final FileObserver mVendorOverlayInstallObserver; 353 354 // This is the object monitoring the OEM app dir. 355 final FileObserver mOemInstallObserver; 356 357 // This is the object monitoring mAppInstallDir. 358 final FileObserver mAppInstallObserver; 359 360 // This is the object monitoring mDrmAppPrivateInstallDir. 361 final FileObserver mDrmAppInstallObserver; 362 363 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 364 // LOCK HELD. Can be called with mInstallLock held. 365 final Installer mInstaller; 366 367 /** Directory where installed third-party apps stored */ 368 final File mAppInstallDir; 369 370 /** 371 * Directory to which applications installed internally have native 372 * libraries copied. 373 */ 374 private File mAppLibInstallDir; 375 376 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 377 // apps. 378 final File mDrmAppPrivateInstallDir; 379 380 /** Directory where third-party apps are staged before install */ 381 final File mAppStagingDir; 382 383 private final Random mTempFileRandom = new Random(); 384 385 // ---------------------------------------------------------------- 386 387 // Lock for state used when installing and doing other long running 388 // operations. Methods that must be called with this lock held have 389 // the suffix "LI". 390 final Object mInstallLock = new Object(); 391 392 // These are the directories in the 3rd party applications installed dir 393 // that we have currently loaded packages from. Keys are the application's 394 // installed zip file (absolute codePath), and values are Package. 395 final HashMap<String, PackageParser.Package> mAppDirs = 396 new HashMap<String, PackageParser.Package>(); 397 398 // Information for the parser to write more useful error messages. 399 int mLastScanError; 400 401 // ---------------------------------------------------------------- 402 403 // Keys are String (package name), values are Package. This also serves 404 // as the lock for the global state. Methods that must be called with 405 // this lock held have the prefix "LP". 406 final HashMap<String, PackageParser.Package> mPackages = 407 new HashMap<String, PackageParser.Package>(); 408 409 // Tracks available target package names -> overlay package paths. 410 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 411 new HashMap<String, HashMap<String, PackageParser.Package>>(); 412 413 final Settings mSettings; 414 boolean mRestoredSettings; 415 416 // System configuration read by SystemConfig. 417 final int[] mGlobalGids; 418 final SparseArray<HashSet<String>> mSystemPermissions; 419 final HashMap<String, FeatureInfo> mAvailableFeatures; 420 421 // If mac_permissions.xml was found for seinfo labeling. 422 boolean mFoundPolicyFile; 423 424 // If a recursive restorecon of /data/data/<pkg> is needed. 425 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 426 427 public static final class SharedLibraryEntry { 428 public final String path; 429 public final String apk; 430 431 SharedLibraryEntry(String _path, String _apk) { 432 path = _path; 433 apk = _apk; 434 } 435 } 436 437 // Currently known shared libraries. 438 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 439 new HashMap<String, SharedLibraryEntry>(); 440 441 // All available activities, for your resolving pleasure. 442 final ActivityIntentResolver mActivities = 443 new ActivityIntentResolver(); 444 445 // All available receivers, for your resolving pleasure. 446 final ActivityIntentResolver mReceivers = 447 new ActivityIntentResolver(); 448 449 // All available services, for your resolving pleasure. 450 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 451 452 // All available providers, for your resolving pleasure. 453 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 454 455 // Mapping from provider base names (first directory in content URI codePath) 456 // to the provider information. 457 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 458 new HashMap<String, PackageParser.Provider>(); 459 460 // Mapping from instrumentation class names to info about them. 461 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 462 new HashMap<ComponentName, PackageParser.Instrumentation>(); 463 464 // Mapping from permission names to info about them. 465 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 466 new HashMap<String, PackageParser.PermissionGroup>(); 467 468 // Packages whose data we have transfered into another package, thus 469 // should no longer exist. 470 final HashSet<String> mTransferedPackages = new HashSet<String>(); 471 472 // Broadcast actions that are only available to the system. 473 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 474 475 /** List of packages waiting for verification. */ 476 final SparseArray<PackageVerificationState> mPendingVerification 477 = new SparseArray<PackageVerificationState>(); 478 479 final PackageInstallerService mInstallerService; 480 481 HashSet<PackageParser.Package> mDeferredDexOpt = null; 482 483 // Cache of users who need badging. 484 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 485 486 /** Token for keys in mPendingVerification. */ 487 private int mPendingVerificationToken = 0; 488 489 boolean mSystemReady; 490 boolean mSafeMode; 491 boolean mHasSystemUidErrors; 492 493 ApplicationInfo mAndroidApplication; 494 final ActivityInfo mResolveActivity = new ActivityInfo(); 495 final ResolveInfo mResolveInfo = new ResolveInfo(); 496 ComponentName mResolveComponentName; 497 PackageParser.Package mPlatformPackage; 498 ComponentName mCustomResolverComponentName; 499 500 boolean mResolverReplaced = false; 501 502 // Set of pending broadcasts for aggregating enable/disable of components. 503 static class PendingPackageBroadcasts { 504 // for each user id, a map of <package name -> components within that package> 505 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 506 507 public PendingPackageBroadcasts() { 508 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 509 } 510 511 public ArrayList<String> get(int userId, String packageName) { 512 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 513 return packages.get(packageName); 514 } 515 516 public void put(int userId, String packageName, ArrayList<String> components) { 517 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 518 packages.put(packageName, components); 519 } 520 521 public void remove(int userId, String packageName) { 522 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 523 if (packages != null) { 524 packages.remove(packageName); 525 } 526 } 527 528 public void remove(int userId) { 529 mUidMap.remove(userId); 530 } 531 532 public int userIdCount() { 533 return mUidMap.size(); 534 } 535 536 public int userIdAt(int n) { 537 return mUidMap.keyAt(n); 538 } 539 540 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 541 return mUidMap.get(userId); 542 } 543 544 public int size() { 545 // total number of pending broadcast entries across all userIds 546 int num = 0; 547 for (int i = 0; i< mUidMap.size(); i++) { 548 num += mUidMap.valueAt(i).size(); 549 } 550 return num; 551 } 552 553 public void clear() { 554 mUidMap.clear(); 555 } 556 557 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 558 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 559 if (map == null) { 560 map = new HashMap<String, ArrayList<String>>(); 561 mUidMap.put(userId, map); 562 } 563 return map; 564 } 565 } 566 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 567 568 // Service Connection to remote media container service to copy 569 // package uri's from external media onto secure containers 570 // or internal storage. 571 private IMediaContainerService mContainerService = null; 572 573 static final int SEND_PENDING_BROADCAST = 1; 574 static final int MCS_BOUND = 3; 575 static final int END_COPY = 4; 576 static final int INIT_COPY = 5; 577 static final int MCS_UNBIND = 6; 578 static final int START_CLEANING_PACKAGE = 7; 579 static final int FIND_INSTALL_LOC = 8; 580 static final int POST_INSTALL = 9; 581 static final int MCS_RECONNECT = 10; 582 static final int MCS_GIVE_UP = 11; 583 static final int UPDATED_MEDIA_STATUS = 12; 584 static final int WRITE_SETTINGS = 13; 585 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 586 static final int PACKAGE_VERIFIED = 15; 587 static final int CHECK_PENDING_VERIFICATION = 16; 588 589 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 590 591 // Delay time in millisecs 592 static final int BROADCAST_DELAY = 10 * 1000; 593 594 static UserManagerService sUserManager; 595 596 // Stores a list of users whose package restrictions file needs to be updated 597 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 598 599 final private DefaultContainerConnection mDefContainerConn = 600 new DefaultContainerConnection(); 601 class DefaultContainerConnection implements ServiceConnection { 602 public void onServiceConnected(ComponentName name, IBinder service) { 603 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 604 IMediaContainerService imcs = 605 IMediaContainerService.Stub.asInterface(service); 606 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 607 } 608 609 public void onServiceDisconnected(ComponentName name) { 610 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 611 } 612 }; 613 614 // Recordkeeping of restore-after-install operations that are currently in flight 615 // between the Package Manager and the Backup Manager 616 class PostInstallData { 617 public InstallArgs args; 618 public PackageInstalledInfo res; 619 620 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 621 args = _a; 622 res = _r; 623 } 624 }; 625 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 626 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 627 628 private final String mRequiredVerifierPackage; 629 630 private final PackageUsage mPackageUsage = new PackageUsage(); 631 632 private class PackageUsage { 633 private static final int WRITE_INTERVAL 634 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 635 636 private final Object mFileLock = new Object(); 637 private final AtomicLong mLastWritten = new AtomicLong(0); 638 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 639 640 private boolean mIsHistoricalPackageUsageAvailable = true; 641 642 boolean isHistoricalPackageUsageAvailable() { 643 return mIsHistoricalPackageUsageAvailable; 644 } 645 646 void write(boolean force) { 647 if (force) { 648 writeInternal(); 649 return; 650 } 651 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 652 && !DEBUG_DEXOPT) { 653 return; 654 } 655 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 656 new Thread("PackageUsage_DiskWriter") { 657 @Override 658 public void run() { 659 try { 660 writeInternal(); 661 } finally { 662 mBackgroundWriteRunning.set(false); 663 } 664 } 665 }.start(); 666 } 667 } 668 669 private void writeInternal() { 670 synchronized (mPackages) { 671 synchronized (mFileLock) { 672 AtomicFile file = getFile(); 673 FileOutputStream f = null; 674 try { 675 f = file.startWrite(); 676 BufferedOutputStream out = new BufferedOutputStream(f); 677 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 678 StringBuilder sb = new StringBuilder(); 679 for (PackageParser.Package pkg : mPackages.values()) { 680 if (pkg.mLastPackageUsageTimeInMills == 0) { 681 continue; 682 } 683 sb.setLength(0); 684 sb.append(pkg.packageName); 685 sb.append(' '); 686 sb.append((long)pkg.mLastPackageUsageTimeInMills); 687 sb.append('\n'); 688 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 689 } 690 out.flush(); 691 file.finishWrite(f); 692 } catch (IOException e) { 693 if (f != null) { 694 file.failWrite(f); 695 } 696 Log.e(TAG, "Failed to write package usage times", e); 697 } 698 } 699 } 700 mLastWritten.set(SystemClock.elapsedRealtime()); 701 } 702 703 void readLP() { 704 synchronized (mFileLock) { 705 AtomicFile file = getFile(); 706 BufferedInputStream in = null; 707 try { 708 in = new BufferedInputStream(file.openRead()); 709 StringBuffer sb = new StringBuffer(); 710 while (true) { 711 String packageName = readToken(in, sb, ' '); 712 if (packageName == null) { 713 break; 714 } 715 String timeInMillisString = readToken(in, sb, '\n'); 716 if (timeInMillisString == null) { 717 throw new IOException("Failed to find last usage time for package " 718 + packageName); 719 } 720 PackageParser.Package pkg = mPackages.get(packageName); 721 if (pkg == null) { 722 continue; 723 } 724 long timeInMillis; 725 try { 726 timeInMillis = Long.parseLong(timeInMillisString.toString()); 727 } catch (NumberFormatException e) { 728 throw new IOException("Failed to parse " + timeInMillisString 729 + " as a long.", e); 730 } 731 pkg.mLastPackageUsageTimeInMills = timeInMillis; 732 } 733 } catch (FileNotFoundException expected) { 734 mIsHistoricalPackageUsageAvailable = false; 735 } catch (IOException e) { 736 Log.w(TAG, "Failed to read package usage times", e); 737 } finally { 738 IoUtils.closeQuietly(in); 739 } 740 } 741 mLastWritten.set(SystemClock.elapsedRealtime()); 742 } 743 744 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 745 throws IOException { 746 sb.setLength(0); 747 while (true) { 748 int ch = in.read(); 749 if (ch == -1) { 750 if (sb.length() == 0) { 751 return null; 752 } 753 throw new IOException("Unexpected EOF"); 754 } 755 if (ch == endOfToken) { 756 return sb.toString(); 757 } 758 sb.append((char)ch); 759 } 760 } 761 762 private AtomicFile getFile() { 763 File dataDir = Environment.getDataDirectory(); 764 File systemDir = new File(dataDir, "system"); 765 File fname = new File(systemDir, "package-usage.list"); 766 return new AtomicFile(fname); 767 } 768 } 769 770 class PackageHandler extends Handler { 771 private boolean mBound = false; 772 final ArrayList<HandlerParams> mPendingInstalls = 773 new ArrayList<HandlerParams>(); 774 775 private boolean connectToService() { 776 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 777 " DefaultContainerService"); 778 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 779 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 780 if (mContext.bindServiceAsUser(service, mDefContainerConn, 781 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 782 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 783 mBound = true; 784 return true; 785 } 786 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 787 return false; 788 } 789 790 private void disconnectService() { 791 mContainerService = null; 792 mBound = false; 793 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 794 mContext.unbindService(mDefContainerConn); 795 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 796 } 797 798 PackageHandler(Looper looper) { 799 super(looper); 800 } 801 802 public void handleMessage(Message msg) { 803 try { 804 doHandleMessage(msg); 805 } finally { 806 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 807 } 808 } 809 810 void doHandleMessage(Message msg) { 811 switch (msg.what) { 812 case INIT_COPY: { 813 HandlerParams params = (HandlerParams) msg.obj; 814 int idx = mPendingInstalls.size(); 815 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 816 // If a bind was already initiated we dont really 817 // need to do anything. The pending install 818 // will be processed later on. 819 if (!mBound) { 820 // If this is the only one pending we might 821 // have to bind to the service again. 822 if (!connectToService()) { 823 Slog.e(TAG, "Failed to bind to media container service"); 824 params.serviceError(); 825 return; 826 } else { 827 // Once we bind to the service, the first 828 // pending request will be processed. 829 mPendingInstalls.add(idx, params); 830 } 831 } else { 832 mPendingInstalls.add(idx, params); 833 // Already bound to the service. Just make 834 // sure we trigger off processing the first request. 835 if (idx == 0) { 836 mHandler.sendEmptyMessage(MCS_BOUND); 837 } 838 } 839 break; 840 } 841 case MCS_BOUND: { 842 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 843 if (msg.obj != null) { 844 mContainerService = (IMediaContainerService) msg.obj; 845 } 846 if (mContainerService == null) { 847 // Something seriously wrong. Bail out 848 Slog.e(TAG, "Cannot bind to media container service"); 849 for (HandlerParams params : mPendingInstalls) { 850 // Indicate service bind error 851 params.serviceError(); 852 } 853 mPendingInstalls.clear(); 854 } else if (mPendingInstalls.size() > 0) { 855 HandlerParams params = mPendingInstalls.get(0); 856 if (params != null) { 857 if (params.startCopy()) { 858 // We are done... look for more work or to 859 // go idle. 860 if (DEBUG_SD_INSTALL) Log.i(TAG, 861 "Checking for more work or unbind..."); 862 // Delete pending install 863 if (mPendingInstalls.size() > 0) { 864 mPendingInstalls.remove(0); 865 } 866 if (mPendingInstalls.size() == 0) { 867 if (mBound) { 868 if (DEBUG_SD_INSTALL) Log.i(TAG, 869 "Posting delayed MCS_UNBIND"); 870 removeMessages(MCS_UNBIND); 871 Message ubmsg = obtainMessage(MCS_UNBIND); 872 // Unbind after a little delay, to avoid 873 // continual thrashing. 874 sendMessageDelayed(ubmsg, 10000); 875 } 876 } else { 877 // There are more pending requests in queue. 878 // Just post MCS_BOUND message to trigger processing 879 // of next pending install. 880 if (DEBUG_SD_INSTALL) Log.i(TAG, 881 "Posting MCS_BOUND for next work"); 882 mHandler.sendEmptyMessage(MCS_BOUND); 883 } 884 } 885 } 886 } else { 887 // Should never happen ideally. 888 Slog.w(TAG, "Empty queue"); 889 } 890 break; 891 } 892 case MCS_RECONNECT: { 893 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 894 if (mPendingInstalls.size() > 0) { 895 if (mBound) { 896 disconnectService(); 897 } 898 if (!connectToService()) { 899 Slog.e(TAG, "Failed to bind to media container service"); 900 for (HandlerParams params : mPendingInstalls) { 901 // Indicate service bind error 902 params.serviceError(); 903 } 904 mPendingInstalls.clear(); 905 } 906 } 907 break; 908 } 909 case MCS_UNBIND: { 910 // If there is no actual work left, then time to unbind. 911 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 912 913 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 914 if (mBound) { 915 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 916 917 disconnectService(); 918 } 919 } else if (mPendingInstalls.size() > 0) { 920 // There are more pending requests in queue. 921 // Just post MCS_BOUND message to trigger processing 922 // of next pending install. 923 mHandler.sendEmptyMessage(MCS_BOUND); 924 } 925 926 break; 927 } 928 case MCS_GIVE_UP: { 929 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 930 mPendingInstalls.remove(0); 931 break; 932 } 933 case SEND_PENDING_BROADCAST: { 934 String packages[]; 935 ArrayList<String> components[]; 936 int size = 0; 937 int uids[]; 938 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 939 synchronized (mPackages) { 940 if (mPendingBroadcasts == null) { 941 return; 942 } 943 size = mPendingBroadcasts.size(); 944 if (size <= 0) { 945 // Nothing to be done. Just return 946 return; 947 } 948 packages = new String[size]; 949 components = new ArrayList[size]; 950 uids = new int[size]; 951 int i = 0; // filling out the above arrays 952 953 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 954 int packageUserId = mPendingBroadcasts.userIdAt(n); 955 Iterator<Map.Entry<String, ArrayList<String>>> it 956 = mPendingBroadcasts.packagesForUserId(packageUserId) 957 .entrySet().iterator(); 958 while (it.hasNext() && i < size) { 959 Map.Entry<String, ArrayList<String>> ent = it.next(); 960 packages[i] = ent.getKey(); 961 components[i] = ent.getValue(); 962 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 963 uids[i] = (ps != null) 964 ? UserHandle.getUid(packageUserId, ps.appId) 965 : -1; 966 i++; 967 } 968 } 969 size = i; 970 mPendingBroadcasts.clear(); 971 } 972 // Send broadcasts 973 for (int i = 0; i < size; i++) { 974 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 975 } 976 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 977 break; 978 } 979 case START_CLEANING_PACKAGE: { 980 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 981 final String packageName = (String)msg.obj; 982 final int userId = msg.arg1; 983 final boolean andCode = msg.arg2 != 0; 984 synchronized (mPackages) { 985 if (userId == UserHandle.USER_ALL) { 986 int[] users = sUserManager.getUserIds(); 987 for (int user : users) { 988 mSettings.addPackageToCleanLPw( 989 new PackageCleanItem(user, packageName, andCode)); 990 } 991 } else { 992 mSettings.addPackageToCleanLPw( 993 new PackageCleanItem(userId, packageName, andCode)); 994 } 995 } 996 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 997 startCleaningPackages(); 998 } break; 999 case POST_INSTALL: { 1000 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1001 PostInstallData data = mRunningInstalls.get(msg.arg1); 1002 mRunningInstalls.delete(msg.arg1); 1003 boolean deleteOld = false; 1004 1005 if (data != null) { 1006 InstallArgs args = data.args; 1007 PackageInstalledInfo res = data.res; 1008 1009 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1010 res.removedInfo.sendBroadcast(false, true, false); 1011 Bundle extras = new Bundle(1); 1012 extras.putInt(Intent.EXTRA_UID, res.uid); 1013 // Determine the set of users who are adding this 1014 // package for the first time vs. those who are seeing 1015 // an update. 1016 int[] firstUsers; 1017 int[] updateUsers = new int[0]; 1018 if (res.origUsers == null || res.origUsers.length == 0) { 1019 firstUsers = res.newUsers; 1020 } else { 1021 firstUsers = new int[0]; 1022 for (int i=0; i<res.newUsers.length; i++) { 1023 int user = res.newUsers[i]; 1024 boolean isNew = true; 1025 for (int j=0; j<res.origUsers.length; j++) { 1026 if (res.origUsers[j] == user) { 1027 isNew = false; 1028 break; 1029 } 1030 } 1031 if (isNew) { 1032 int[] newFirst = new int[firstUsers.length+1]; 1033 System.arraycopy(firstUsers, 0, newFirst, 0, 1034 firstUsers.length); 1035 newFirst[firstUsers.length] = user; 1036 firstUsers = newFirst; 1037 } else { 1038 int[] newUpdate = new int[updateUsers.length+1]; 1039 System.arraycopy(updateUsers, 0, newUpdate, 0, 1040 updateUsers.length); 1041 newUpdate[updateUsers.length] = user; 1042 updateUsers = newUpdate; 1043 } 1044 } 1045 } 1046 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1047 res.pkg.applicationInfo.packageName, 1048 extras, null, null, firstUsers); 1049 final boolean update = res.removedInfo.removedPackage != null; 1050 if (update) { 1051 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1052 } 1053 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1054 res.pkg.applicationInfo.packageName, 1055 extras, null, null, updateUsers); 1056 if (update) { 1057 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1058 res.pkg.applicationInfo.packageName, 1059 extras, null, null, updateUsers); 1060 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1061 null, null, 1062 res.pkg.applicationInfo.packageName, null, updateUsers); 1063 1064 // treat asec-hosted packages like removable media on upgrade 1065 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1066 if (DEBUG_INSTALL) { 1067 Slog.i(TAG, "upgrading pkg " + res.pkg 1068 + " is ASEC-hosted -> AVAILABLE"); 1069 } 1070 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1071 ArrayList<String> pkgList = new ArrayList<String>(1); 1072 pkgList.add(res.pkg.applicationInfo.packageName); 1073 sendResourcesChangedBroadcast(true, true, 1074 pkgList,uidArray, null); 1075 } 1076 } 1077 if (res.removedInfo.args != null) { 1078 // Remove the replaced package's older resources safely now 1079 deleteOld = true; 1080 } 1081 1082 // Log current value of "unknown sources" setting 1083 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1084 getUnknownSourcesSettings()); 1085 } 1086 // Force a gc to clear up things 1087 Runtime.getRuntime().gc(); 1088 // We delete after a gc for applications on sdcard. 1089 if (deleteOld) { 1090 synchronized (mInstallLock) { 1091 res.removedInfo.args.doPostDeleteLI(true); 1092 } 1093 } 1094 if (args.observer != null) { 1095 try { 1096 Bundle extras = extrasForInstallResult(res); 1097 args.observer.packageInstalled(res.name, extras, res.returnCode); 1098 } catch (RemoteException e) { 1099 Slog.i(TAG, "Observer no longer exists."); 1100 } 1101 } 1102 } else { 1103 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1104 } 1105 } break; 1106 case UPDATED_MEDIA_STATUS: { 1107 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1108 boolean reportStatus = msg.arg1 == 1; 1109 boolean doGc = msg.arg2 == 1; 1110 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1111 if (doGc) { 1112 // Force a gc to clear up stale containers. 1113 Runtime.getRuntime().gc(); 1114 } 1115 if (msg.obj != null) { 1116 @SuppressWarnings("unchecked") 1117 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1118 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1119 // Unload containers 1120 unloadAllContainers(args); 1121 } 1122 if (reportStatus) { 1123 try { 1124 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1125 PackageHelper.getMountService().finishMediaUpdate(); 1126 } catch (RemoteException e) { 1127 Log.e(TAG, "MountService not running?"); 1128 } 1129 } 1130 } break; 1131 case WRITE_SETTINGS: { 1132 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1133 synchronized (mPackages) { 1134 removeMessages(WRITE_SETTINGS); 1135 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1136 mSettings.writeLPr(); 1137 mDirtyUsers.clear(); 1138 } 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 } break; 1141 case WRITE_PACKAGE_RESTRICTIONS: { 1142 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1143 synchronized (mPackages) { 1144 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1145 for (int userId : mDirtyUsers) { 1146 mSettings.writePackageRestrictionsLPr(userId); 1147 } 1148 mDirtyUsers.clear(); 1149 } 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1151 } break; 1152 case CHECK_PENDING_VERIFICATION: { 1153 final int verificationId = msg.arg1; 1154 final PackageVerificationState state = mPendingVerification.get(verificationId); 1155 1156 if ((state != null) && !state.timeoutExtended()) { 1157 final InstallArgs args = state.getInstallArgs(); 1158 final Uri originUri = Uri.fromFile(args.originFile); 1159 1160 Slog.i(TAG, "Verification timed out for " + originUri); 1161 mPendingVerification.remove(verificationId); 1162 1163 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1164 1165 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1166 Slog.i(TAG, "Continuing with installation of " + originUri); 1167 state.setVerifierResponse(Binder.getCallingUid(), 1168 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1169 broadcastPackageVerified(verificationId, originUri, 1170 PackageManager.VERIFICATION_ALLOW, 1171 state.getInstallArgs().getUser()); 1172 try { 1173 ret = args.copyApk(mContainerService, true); 1174 } catch (RemoteException e) { 1175 Slog.e(TAG, "Could not contact the ContainerService"); 1176 } 1177 } else { 1178 broadcastPackageVerified(verificationId, originUri, 1179 PackageManager.VERIFICATION_REJECT, 1180 state.getInstallArgs().getUser()); 1181 } 1182 1183 processPendingInstall(args, ret); 1184 mHandler.sendEmptyMessage(MCS_UNBIND); 1185 } 1186 break; 1187 } 1188 case PACKAGE_VERIFIED: { 1189 final int verificationId = msg.arg1; 1190 1191 final PackageVerificationState state = mPendingVerification.get(verificationId); 1192 if (state == null) { 1193 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1194 break; 1195 } 1196 1197 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1198 1199 state.setVerifierResponse(response.callerUid, response.code); 1200 1201 if (state.isVerificationComplete()) { 1202 mPendingVerification.remove(verificationId); 1203 1204 final InstallArgs args = state.getInstallArgs(); 1205 final Uri originUri = Uri.fromFile(args.originFile); 1206 1207 int ret; 1208 if (state.isInstallAllowed()) { 1209 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1210 broadcastPackageVerified(verificationId, originUri, 1211 response.code, state.getInstallArgs().getUser()); 1212 try { 1213 ret = args.copyApk(mContainerService, true); 1214 } catch (RemoteException e) { 1215 Slog.e(TAG, "Could not contact the ContainerService"); 1216 } 1217 } else { 1218 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1219 } 1220 1221 processPendingInstall(args, ret); 1222 1223 mHandler.sendEmptyMessage(MCS_UNBIND); 1224 } 1225 1226 break; 1227 } 1228 } 1229 } 1230 } 1231 1232 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1233 Bundle extras = null; 1234 switch (res.returnCode) { 1235 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1236 extras = new Bundle(); 1237 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1238 res.origPermission); 1239 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1240 res.origPackage); 1241 break; 1242 } 1243 } 1244 return extras; 1245 } 1246 1247 void scheduleWriteSettingsLocked() { 1248 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1249 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1250 } 1251 } 1252 1253 void scheduleWritePackageRestrictionsLocked(int userId) { 1254 if (!sUserManager.exists(userId)) return; 1255 mDirtyUsers.add(userId); 1256 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1257 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1258 } 1259 } 1260 1261 public static final PackageManagerService main(Context context, Installer installer, 1262 boolean factoryTest, boolean onlyCore) { 1263 PackageManagerService m = new PackageManagerService(context, installer, 1264 factoryTest, onlyCore); 1265 ServiceManager.addService("package", m); 1266 return m; 1267 } 1268 1269 static String[] splitString(String str, char sep) { 1270 int count = 1; 1271 int i = 0; 1272 while ((i=str.indexOf(sep, i)) >= 0) { 1273 count++; 1274 i++; 1275 } 1276 1277 String[] res = new String[count]; 1278 i=0; 1279 count = 0; 1280 int lastI=0; 1281 while ((i=str.indexOf(sep, i)) >= 0) { 1282 res[count] = str.substring(lastI, i); 1283 count++; 1284 i++; 1285 lastI = i; 1286 } 1287 res[count] = str.substring(lastI, str.length()); 1288 return res; 1289 } 1290 1291 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1292 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1293 Context.DISPLAY_SERVICE); 1294 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1295 } 1296 1297 public PackageManagerService(Context context, Installer installer, 1298 boolean factoryTest, boolean onlyCore) { 1299 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1300 SystemClock.uptimeMillis()); 1301 1302 if (mSdkVersion <= 0) { 1303 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1304 } 1305 1306 mContext = context; 1307 mFactoryTest = factoryTest; 1308 mOnlyCore = onlyCore; 1309 mMetrics = new DisplayMetrics(); 1310 mSettings = new Settings(context); 1311 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1312 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1313 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1314 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1315 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1316 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1317 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1318 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1319 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1320 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1321 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1322 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1323 1324 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1325 if (separateProcesses != null && separateProcesses.length() > 0) { 1326 if ("*".equals(separateProcesses)) { 1327 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1328 mSeparateProcesses = null; 1329 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1330 } else { 1331 mDefParseFlags = 0; 1332 mSeparateProcesses = separateProcesses.split(","); 1333 Slog.w(TAG, "Running with debug.separate_processes: " 1334 + separateProcesses); 1335 } 1336 } else { 1337 mDefParseFlags = 0; 1338 mSeparateProcesses = null; 1339 } 1340 1341 mInstaller = installer; 1342 1343 getDefaultDisplayMetrics(context, mMetrics); 1344 1345 SystemConfig systemConfig = SystemConfig.getInstance(); 1346 mGlobalGids = systemConfig.getGlobalGids(); 1347 mSystemPermissions = systemConfig.getSystemPermissions(); 1348 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1349 1350 synchronized (mInstallLock) { 1351 // writer 1352 synchronized (mPackages) { 1353 mHandlerThread = new ServiceThread(TAG, 1354 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1355 mHandlerThread.start(); 1356 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1357 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1358 1359 File dataDir = Environment.getDataDirectory(); 1360 mAppDataDir = new File(dataDir, "data"); 1361 mAppInstallDir = new File(dataDir, "app"); 1362 mAppLibInstallDir = new File(dataDir, "app-lib"); 1363 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1364 mUserAppDataDir = new File(dataDir, "user"); 1365 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1366 mAppStagingDir = new File(dataDir, "app-staging"); 1367 1368 sUserManager = new UserManagerService(context, this, 1369 mInstallLock, mPackages); 1370 1371 // Propagate permission configuration in to package manager. 1372 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1373 = systemConfig.getPermissions(); 1374 for (int i=0; i<permConfig.size(); i++) { 1375 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1376 BasePermission bp = mSettings.mPermissions.get(perm.name); 1377 if (bp == null) { 1378 bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN); 1379 mSettings.mPermissions.put(perm.name, bp); 1380 } 1381 if (perm.gids != null) { 1382 bp.gids = appendInts(bp.gids, perm.gids); 1383 } 1384 } 1385 1386 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1387 for (int i=0; i<libConfig.size(); i++) { 1388 mSharedLibraries.put(libConfig.keyAt(i), 1389 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1390 } 1391 1392 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1393 1394 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1395 mSdkVersion, mOnlyCore); 1396 1397 String customResolverActivity = Resources.getSystem().getString( 1398 R.string.config_customResolverActivity); 1399 if (TextUtils.isEmpty(customResolverActivity)) { 1400 customResolverActivity = null; 1401 } else { 1402 mCustomResolverComponentName = ComponentName.unflattenFromString( 1403 customResolverActivity); 1404 } 1405 1406 long startTime = SystemClock.uptimeMillis(); 1407 1408 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1409 startTime); 1410 1411 // Set flag to monitor and not change apk file paths when 1412 // scanning install directories. 1413 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1414 1415 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1416 1417 /** 1418 * Add everything in the in the boot class path to the 1419 * list of process files because dexopt will have been run 1420 * if necessary during zygote startup. 1421 */ 1422 String bootClassPath = System.getProperty("java.boot.class.path"); 1423 if (bootClassPath != null) { 1424 String[] paths = splitString(bootClassPath, ':'); 1425 for (int i=0; i<paths.length; i++) { 1426 alreadyDexOpted.add(paths[i]); 1427 } 1428 } else { 1429 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1430 } 1431 1432 boolean didDexOptLibraryOrTool = false; 1433 1434 final List<String> instructionSets = getAllInstructionSets(); 1435 1436 /** 1437 * Ensure all external libraries have had dexopt run on them. 1438 */ 1439 if (mSharedLibraries.size() > 0) { 1440 // NOTE: For now, we're compiling these system "shared libraries" 1441 // (and framework jars) into all available architectures. It's possible 1442 // to compile them only when we come across an app that uses them (there's 1443 // already logic for that in scanPackageLI) but that adds some complexity. 1444 for (String instructionSet : instructionSets) { 1445 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1446 final String lib = libEntry.path; 1447 if (lib == null) { 1448 continue; 1449 } 1450 1451 try { 1452 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1453 alreadyDexOpted.add(lib); 1454 1455 // The list of "shared libraries" we have at this point is 1456 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1457 didDexOptLibraryOrTool = true; 1458 } 1459 } catch (FileNotFoundException e) { 1460 Slog.w(TAG, "Library not found: " + lib); 1461 } catch (IOException e) { 1462 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1463 + e.getMessage()); 1464 } 1465 } 1466 } 1467 } 1468 1469 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1470 1471 // Gross hack for now: we know this file doesn't contain any 1472 // code, so don't dexopt it to avoid the resulting log spew. 1473 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1474 1475 // Gross hack for now: we know this file is only part of 1476 // the boot class path for art, so don't dexopt it to 1477 // avoid the resulting log spew. 1478 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1479 1480 /** 1481 * And there are a number of commands implemented in Java, which 1482 * we currently need to do the dexopt on so that they can be 1483 * run from a non-root shell. 1484 */ 1485 String[] frameworkFiles = frameworkDir.list(); 1486 if (frameworkFiles != null) { 1487 // TODO: We could compile these only for the most preferred ABI. We should 1488 // first double check that the dex files for these commands are not referenced 1489 // by other system apps. 1490 for (String instructionSet : instructionSets) { 1491 for (int i=0; i<frameworkFiles.length; i++) { 1492 File libPath = new File(frameworkDir, frameworkFiles[i]); 1493 String path = libPath.getPath(); 1494 // Skip the file if we already did it. 1495 if (alreadyDexOpted.contains(path)) { 1496 continue; 1497 } 1498 // Skip the file if it is not a type we want to dexopt. 1499 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1500 continue; 1501 } 1502 try { 1503 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1504 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1505 didDexOptLibraryOrTool = true; 1506 } 1507 } catch (FileNotFoundException e) { 1508 Slog.w(TAG, "Jar not found: " + path); 1509 } catch (IOException e) { 1510 Slog.w(TAG, "Exception reading jar: " + path, e); 1511 } 1512 } 1513 } 1514 } 1515 1516 if (didDexOptLibraryOrTool) { 1517 // If we dexopted a library or tool, then something on the system has 1518 // changed. Consider this significant, and wipe away all other 1519 // existing dexopt files to ensure we don't leave any dangling around. 1520 // 1521 // TODO: This should be revisited because it isn't as good an indicator 1522 // as it used to be. It used to include the boot classpath but at some point 1523 // DexFile.isDexOptNeeded started returning false for the boot 1524 // class path files in all cases. It is very possible in a 1525 // small maintenance release update that the library and tool 1526 // jars may be unchanged but APK could be removed resulting in 1527 // unused dalvik-cache files. 1528 for (String instructionSet : instructionSets) { 1529 mInstaller.pruneDexCache(instructionSet); 1530 } 1531 1532 // Additionally, delete all dex files from the root directory 1533 // since there shouldn't be any there anyway, unless we're upgrading 1534 // from an older OS version or a build that contained the "old" style 1535 // flat scheme. 1536 mInstaller.pruneDexCache("."); 1537 } 1538 1539 // Collect vendor overlay packages. 1540 // (Do this before scanning any apps.) 1541 // For security and version matching reason, only consider 1542 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1543 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1544 mVendorOverlayInstallObserver = new AppDirObserver( 1545 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1546 mVendorOverlayInstallObserver.startWatching(); 1547 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1548 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1549 1550 // Find base frameworks (resource packages without code). 1551 mFrameworkInstallObserver = new AppDirObserver( 1552 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1553 mFrameworkInstallObserver.startWatching(); 1554 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1555 | PackageParser.PARSE_IS_SYSTEM_DIR 1556 | PackageParser.PARSE_IS_PRIVILEGED, 1557 scanMode | SCAN_NO_DEX, 0); 1558 1559 // Collected privileged system packages. 1560 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1561 mPrivilegedInstallObserver = new AppDirObserver( 1562 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1563 mPrivilegedInstallObserver.startWatching(); 1564 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1565 | PackageParser.PARSE_IS_SYSTEM_DIR 1566 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1567 1568 // Collect ordinary system packages. 1569 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1570 mSystemInstallObserver = new AppDirObserver( 1571 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1572 mSystemInstallObserver.startWatching(); 1573 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1574 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1575 1576 // Collect all vendor packages. 1577 File vendorAppDir = new File("/vendor/app"); 1578 try { 1579 vendorAppDir = vendorAppDir.getCanonicalFile(); 1580 } catch (IOException e) { 1581 // failed to look up canonical path, continue with original one 1582 } 1583 mVendorInstallObserver = new AppDirObserver( 1584 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1585 mVendorInstallObserver.startWatching(); 1586 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1587 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1588 1589 // Collect all OEM packages. 1590 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1591 mOemInstallObserver = new AppDirObserver( 1592 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1593 mOemInstallObserver.startWatching(); 1594 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1595 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1596 1597 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1598 mInstaller.moveFiles(); 1599 1600 // Prune any system packages that no longer exist. 1601 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1602 if (!mOnlyCore) { 1603 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1604 while (psit.hasNext()) { 1605 PackageSetting ps = psit.next(); 1606 1607 /* 1608 * If this is not a system app, it can't be a 1609 * disable system app. 1610 */ 1611 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1612 continue; 1613 } 1614 1615 /* 1616 * If the package is scanned, it's not erased. 1617 */ 1618 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1619 if (scannedPkg != null) { 1620 /* 1621 * If the system app is both scanned and in the 1622 * disabled packages list, then it must have been 1623 * added via OTA. Remove it from the currently 1624 * scanned package so the previously user-installed 1625 * application can be scanned. 1626 */ 1627 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1628 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1629 + "; removing system app"); 1630 removePackageLI(ps, true); 1631 } 1632 1633 continue; 1634 } 1635 1636 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1637 psit.remove(); 1638 String msg = "System package " + ps.name 1639 + " no longer exists; wiping its data"; 1640 reportSettingsProblem(Log.WARN, msg); 1641 removeDataDirsLI(ps.name); 1642 } else { 1643 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1644 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1645 possiblyDeletedUpdatedSystemApps.add(ps.name); 1646 } 1647 } 1648 } 1649 } 1650 1651 //look for any incomplete package installations 1652 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1653 //clean up list 1654 for(int i = 0; i < deletePkgsList.size(); i++) { 1655 //clean up here 1656 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1657 } 1658 //delete tmp files 1659 deleteTempPackageFiles(); 1660 1661 // Remove any shared userIDs that have no associated packages 1662 mSettings.pruneSharedUsersLPw(); 1663 1664 if (!mOnlyCore) { 1665 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1666 SystemClock.uptimeMillis()); 1667 mAppInstallObserver = new AppDirObserver( 1668 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1669 mAppInstallObserver.startWatching(); 1670 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1671 1672 mDrmAppInstallObserver = new AppDirObserver( 1673 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1674 mDrmAppInstallObserver.startWatching(); 1675 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1676 scanMode, 0); 1677 1678 /** 1679 * Remove disable package settings for any updated system 1680 * apps that were removed via an OTA. If they're not a 1681 * previously-updated app, remove them completely. 1682 * Otherwise, just revoke their system-level permissions. 1683 */ 1684 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1685 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1686 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1687 1688 String msg; 1689 if (deletedPkg == null) { 1690 msg = "Updated system package " + deletedAppName 1691 + " no longer exists; wiping its data"; 1692 removeDataDirsLI(deletedAppName); 1693 } else { 1694 msg = "Updated system app + " + deletedAppName 1695 + " no longer present; removing system privileges for " 1696 + deletedAppName; 1697 1698 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1699 1700 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1701 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1702 } 1703 reportSettingsProblem(Log.WARN, msg); 1704 } 1705 } else { 1706 mAppInstallObserver = null; 1707 mDrmAppInstallObserver = null; 1708 } 1709 1710 // Now that we know all of the shared libraries, update all clients to have 1711 // the correct library paths. 1712 updateAllSharedLibrariesLPw(); 1713 1714 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1715 // NOTE: We ignore potential failures here during a system scan (like 1716 // the rest of the commands above) because there's precious little we 1717 // can do about it. A settings error is reported, though. 1718 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1719 false /* force dexopt */, false /* defer dexopt */); 1720 } 1721 1722 // Now that we know all the packages we are keeping, 1723 // read and update their last usage times. 1724 mPackageUsage.readLP(); 1725 1726 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1727 SystemClock.uptimeMillis()); 1728 Slog.i(TAG, "Time to scan packages: " 1729 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1730 + " seconds"); 1731 1732 // If the platform SDK has changed since the last time we booted, 1733 // we need to re-grant app permission to catch any new ones that 1734 // appear. This is really a hack, and means that apps can in some 1735 // cases get permissions that the user didn't initially explicitly 1736 // allow... it would be nice to have some better way to handle 1737 // this situation. 1738 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1739 != mSdkVersion; 1740 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1741 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1742 + "; regranting permissions for internal storage"); 1743 mSettings.mInternalSdkPlatform = mSdkVersion; 1744 1745 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1746 | (regrantPermissions 1747 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1748 : 0)); 1749 1750 // If this is the first boot, and it is a normal boot, then 1751 // we need to initialize the default preferred apps. 1752 if (!mRestoredSettings && !onlyCore) { 1753 mSettings.readDefaultPreferredAppsLPw(this, 0); 1754 } 1755 1756 // All the changes are done during package scanning. 1757 mSettings.updateInternalDatabaseVersion(); 1758 1759 // can downgrade to reader 1760 mSettings.writeLPr(); 1761 1762 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1763 SystemClock.uptimeMillis()); 1764 1765 1766 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1767 } // synchronized (mPackages) 1768 } // synchronized (mInstallLock) 1769 1770 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1771 1772 // Now after opening every single application zip, make sure they 1773 // are all flushed. Not really needed, but keeps things nice and 1774 // tidy. 1775 Runtime.getRuntime().gc(); 1776 } 1777 1778 @Override 1779 public boolean isFirstBoot() { 1780 return !mRestoredSettings; 1781 } 1782 1783 @Override 1784 public boolean isOnlyCoreApps() { 1785 return mOnlyCore; 1786 } 1787 1788 private String getRequiredVerifierLPr() { 1789 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1790 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1791 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1792 1793 String requiredVerifier = null; 1794 1795 final int N = receivers.size(); 1796 for (int i = 0; i < N; i++) { 1797 final ResolveInfo info = receivers.get(i); 1798 1799 if (info.activityInfo == null) { 1800 continue; 1801 } 1802 1803 final String packageName = info.activityInfo.packageName; 1804 1805 final PackageSetting ps = mSettings.mPackages.get(packageName); 1806 if (ps == null) { 1807 continue; 1808 } 1809 1810 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1811 if (!gp.grantedPermissions 1812 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1813 continue; 1814 } 1815 1816 if (requiredVerifier != null) { 1817 throw new RuntimeException("There can be only one required verifier"); 1818 } 1819 1820 requiredVerifier = packageName; 1821 } 1822 1823 return requiredVerifier; 1824 } 1825 1826 @Override 1827 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1828 throws RemoteException { 1829 try { 1830 return super.onTransact(code, data, reply, flags); 1831 } catch (RuntimeException e) { 1832 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1833 Slog.wtf(TAG, "Package Manager Crash", e); 1834 } 1835 throw e; 1836 } 1837 } 1838 1839 void cleanupInstallFailedPackage(PackageSetting ps) { 1840 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1841 removeDataDirsLI(ps.name); 1842 1843 // TODO: try cleaning up codePath directory contents first, since it 1844 // might be a cluster 1845 1846 if (ps.codePath != null) { 1847 if (!ps.codePath.delete()) { 1848 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1849 } 1850 } 1851 if (ps.resourcePath != null) { 1852 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1853 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1854 } 1855 } 1856 mSettings.removePackageLPw(ps.name); 1857 } 1858 1859 static int[] appendInts(int[] cur, int[] add) { 1860 if (add == null) return cur; 1861 if (cur == null) return add; 1862 final int N = add.length; 1863 for (int i=0; i<N; i++) { 1864 cur = appendInt(cur, add[i]); 1865 } 1866 return cur; 1867 } 1868 1869 static int[] removeInts(int[] cur, int[] rem) { 1870 if (rem == null) return cur; 1871 if (cur == null) return cur; 1872 final int N = rem.length; 1873 for (int i=0; i<N; i++) { 1874 cur = removeInt(cur, rem[i]); 1875 } 1876 return cur; 1877 } 1878 1879 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1880 if (!sUserManager.exists(userId)) return null; 1881 final PackageSetting ps = (PackageSetting) p.mExtras; 1882 if (ps == null) { 1883 return null; 1884 } 1885 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1886 final PackageUserState state = ps.readUserState(userId); 1887 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1888 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1889 state, userId); 1890 } 1891 1892 @Override 1893 public boolean isPackageAvailable(String packageName, int userId) { 1894 if (!sUserManager.exists(userId)) return false; 1895 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1896 synchronized (mPackages) { 1897 PackageParser.Package p = mPackages.get(packageName); 1898 if (p != null) { 1899 final PackageSetting ps = (PackageSetting) p.mExtras; 1900 if (ps != null) { 1901 final PackageUserState state = ps.readUserState(userId); 1902 if (state != null) { 1903 return PackageParser.isAvailable(state); 1904 } 1905 } 1906 } 1907 } 1908 return false; 1909 } 1910 1911 @Override 1912 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1913 if (!sUserManager.exists(userId)) return null; 1914 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1915 // reader 1916 synchronized (mPackages) { 1917 PackageParser.Package p = mPackages.get(packageName); 1918 if (DEBUG_PACKAGE_INFO) 1919 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1920 if (p != null) { 1921 return generatePackageInfo(p, flags, userId); 1922 } 1923 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1924 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1925 } 1926 } 1927 return null; 1928 } 1929 1930 @Override 1931 public String[] currentToCanonicalPackageNames(String[] names) { 1932 String[] out = new String[names.length]; 1933 // reader 1934 synchronized (mPackages) { 1935 for (int i=names.length-1; i>=0; i--) { 1936 PackageSetting ps = mSettings.mPackages.get(names[i]); 1937 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1938 } 1939 } 1940 return out; 1941 } 1942 1943 @Override 1944 public String[] canonicalToCurrentPackageNames(String[] names) { 1945 String[] out = new String[names.length]; 1946 // reader 1947 synchronized (mPackages) { 1948 for (int i=names.length-1; i>=0; i--) { 1949 String cur = mSettings.mRenamedPackages.get(names[i]); 1950 out[i] = cur != null ? cur : names[i]; 1951 } 1952 } 1953 return out; 1954 } 1955 1956 @Override 1957 public int getPackageUid(String packageName, int userId) { 1958 if (!sUserManager.exists(userId)) return -1; 1959 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1960 // reader 1961 synchronized (mPackages) { 1962 PackageParser.Package p = mPackages.get(packageName); 1963 if(p != null) { 1964 return UserHandle.getUid(userId, p.applicationInfo.uid); 1965 } 1966 PackageSetting ps = mSettings.mPackages.get(packageName); 1967 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1968 return -1; 1969 } 1970 p = ps.pkg; 1971 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1972 } 1973 } 1974 1975 @Override 1976 public int[] getPackageGids(String packageName) { 1977 // reader 1978 synchronized (mPackages) { 1979 PackageParser.Package p = mPackages.get(packageName); 1980 if (DEBUG_PACKAGE_INFO) 1981 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1982 if (p != null) { 1983 final PackageSetting ps = (PackageSetting)p.mExtras; 1984 return ps.getGids(); 1985 } 1986 } 1987 // stupid thing to indicate an error. 1988 return new int[0]; 1989 } 1990 1991 static final PermissionInfo generatePermissionInfo( 1992 BasePermission bp, int flags) { 1993 if (bp.perm != null) { 1994 return PackageParser.generatePermissionInfo(bp.perm, flags); 1995 } 1996 PermissionInfo pi = new PermissionInfo(); 1997 pi.name = bp.name; 1998 pi.packageName = bp.sourcePackage; 1999 pi.nonLocalizedLabel = bp.name; 2000 pi.protectionLevel = bp.protectionLevel; 2001 return pi; 2002 } 2003 2004 @Override 2005 public PermissionInfo getPermissionInfo(String name, int flags) { 2006 // reader 2007 synchronized (mPackages) { 2008 final BasePermission p = mSettings.mPermissions.get(name); 2009 if (p != null) { 2010 return generatePermissionInfo(p, flags); 2011 } 2012 return null; 2013 } 2014 } 2015 2016 @Override 2017 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2018 // reader 2019 synchronized (mPackages) { 2020 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2021 for (BasePermission p : mSettings.mPermissions.values()) { 2022 if (group == null) { 2023 if (p.perm == null || p.perm.info.group == null) { 2024 out.add(generatePermissionInfo(p, flags)); 2025 } 2026 } else { 2027 if (p.perm != null && group.equals(p.perm.info.group)) { 2028 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2029 } 2030 } 2031 } 2032 2033 if (out.size() > 0) { 2034 return out; 2035 } 2036 return mPermissionGroups.containsKey(group) ? out : null; 2037 } 2038 } 2039 2040 @Override 2041 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2042 // reader 2043 synchronized (mPackages) { 2044 return PackageParser.generatePermissionGroupInfo( 2045 mPermissionGroups.get(name), flags); 2046 } 2047 } 2048 2049 @Override 2050 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2051 // reader 2052 synchronized (mPackages) { 2053 final int N = mPermissionGroups.size(); 2054 ArrayList<PermissionGroupInfo> out 2055 = new ArrayList<PermissionGroupInfo>(N); 2056 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2057 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2058 } 2059 return out; 2060 } 2061 } 2062 2063 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2064 int userId) { 2065 if (!sUserManager.exists(userId)) return null; 2066 PackageSetting ps = mSettings.mPackages.get(packageName); 2067 if (ps != null) { 2068 if (ps.pkg == null) { 2069 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2070 flags, userId); 2071 if (pInfo != null) { 2072 return pInfo.applicationInfo; 2073 } 2074 return null; 2075 } 2076 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2077 ps.readUserState(userId), userId); 2078 } 2079 return null; 2080 } 2081 2082 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2083 int userId) { 2084 if (!sUserManager.exists(userId)) return null; 2085 PackageSetting ps = mSettings.mPackages.get(packageName); 2086 if (ps != null) { 2087 PackageParser.Package pkg = ps.pkg; 2088 if (pkg == null) { 2089 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2090 return null; 2091 } 2092 // Only data remains, so we aren't worried about code paths 2093 pkg = new PackageParser.Package(packageName); 2094 pkg.applicationInfo.packageName = packageName; 2095 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2096 pkg.applicationInfo.dataDir = 2097 getDataPathForPackage(packageName, 0).getPath(); 2098 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2099 } 2100 return generatePackageInfo(pkg, flags, userId); 2101 } 2102 return null; 2103 } 2104 2105 @Override 2106 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2107 if (!sUserManager.exists(userId)) return null; 2108 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2109 // writer 2110 synchronized (mPackages) { 2111 PackageParser.Package p = mPackages.get(packageName); 2112 if (DEBUG_PACKAGE_INFO) Log.v( 2113 TAG, "getApplicationInfo " + packageName 2114 + ": " + p); 2115 if (p != null) { 2116 PackageSetting ps = mSettings.mPackages.get(packageName); 2117 if (ps == null) return null; 2118 // Note: isEnabledLP() does not apply here - always return info 2119 return PackageParser.generateApplicationInfo( 2120 p, flags, ps.readUserState(userId), userId); 2121 } 2122 if ("android".equals(packageName)||"system".equals(packageName)) { 2123 return mAndroidApplication; 2124 } 2125 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2126 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2127 } 2128 } 2129 return null; 2130 } 2131 2132 2133 @Override 2134 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2135 mContext.enforceCallingOrSelfPermission( 2136 android.Manifest.permission.CLEAR_APP_CACHE, null); 2137 // Queue up an async operation since clearing cache may take a little while. 2138 mHandler.post(new Runnable() { 2139 public void run() { 2140 mHandler.removeCallbacks(this); 2141 int retCode = -1; 2142 synchronized (mInstallLock) { 2143 retCode = mInstaller.freeCache(freeStorageSize); 2144 if (retCode < 0) { 2145 Slog.w(TAG, "Couldn't clear application caches"); 2146 } 2147 } 2148 if (observer != null) { 2149 try { 2150 observer.onRemoveCompleted(null, (retCode >= 0)); 2151 } catch (RemoteException e) { 2152 Slog.w(TAG, "RemoveException when invoking call back"); 2153 } 2154 } 2155 } 2156 }); 2157 } 2158 2159 @Override 2160 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2161 mContext.enforceCallingOrSelfPermission( 2162 android.Manifest.permission.CLEAR_APP_CACHE, null); 2163 // Queue up an async operation since clearing cache may take a little while. 2164 mHandler.post(new Runnable() { 2165 public void run() { 2166 mHandler.removeCallbacks(this); 2167 int retCode = -1; 2168 synchronized (mInstallLock) { 2169 retCode = mInstaller.freeCache(freeStorageSize); 2170 if (retCode < 0) { 2171 Slog.w(TAG, "Couldn't clear application caches"); 2172 } 2173 } 2174 if(pi != null) { 2175 try { 2176 // Callback via pending intent 2177 int code = (retCode >= 0) ? 1 : 0; 2178 pi.sendIntent(null, code, null, 2179 null, null); 2180 } catch (SendIntentException e1) { 2181 Slog.i(TAG, "Failed to send pending intent"); 2182 } 2183 } 2184 } 2185 }); 2186 } 2187 2188 void freeStorage(long freeStorageSize) throws IOException { 2189 synchronized (mInstallLock) { 2190 if (mInstaller.freeCache(freeStorageSize) < 0) { 2191 throw new IOException("Failed to free enough space"); 2192 } 2193 } 2194 } 2195 2196 @Override 2197 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2198 if (!sUserManager.exists(userId)) return null; 2199 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2200 synchronized (mPackages) { 2201 PackageParser.Activity a = mActivities.mActivities.get(component); 2202 2203 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2204 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2205 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2206 if (ps == null) return null; 2207 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2208 userId); 2209 } 2210 if (mResolveComponentName.equals(component)) { 2211 return mResolveActivity; 2212 } 2213 } 2214 return null; 2215 } 2216 2217 @Override 2218 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2219 String resolvedType) { 2220 synchronized (mPackages) { 2221 PackageParser.Activity a = mActivities.mActivities.get(component); 2222 if (a == null) { 2223 return false; 2224 } 2225 for (int i=0; i<a.intents.size(); i++) { 2226 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2227 intent.getData(), intent.getCategories(), TAG) >= 0) { 2228 return true; 2229 } 2230 } 2231 return false; 2232 } 2233 } 2234 2235 @Override 2236 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2237 if (!sUserManager.exists(userId)) return null; 2238 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2239 synchronized (mPackages) { 2240 PackageParser.Activity a = mReceivers.mActivities.get(component); 2241 if (DEBUG_PACKAGE_INFO) Log.v( 2242 TAG, "getReceiverInfo " + component + ": " + a); 2243 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2244 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2245 if (ps == null) return null; 2246 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2247 userId); 2248 } 2249 } 2250 return null; 2251 } 2252 2253 @Override 2254 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2255 if (!sUserManager.exists(userId)) return null; 2256 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2257 synchronized (mPackages) { 2258 PackageParser.Service s = mServices.mServices.get(component); 2259 if (DEBUG_PACKAGE_INFO) Log.v( 2260 TAG, "getServiceInfo " + component + ": " + s); 2261 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2262 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2263 if (ps == null) return null; 2264 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2265 userId); 2266 } 2267 } 2268 return null; 2269 } 2270 2271 @Override 2272 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2273 if (!sUserManager.exists(userId)) return null; 2274 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2275 synchronized (mPackages) { 2276 PackageParser.Provider p = mProviders.mProviders.get(component); 2277 if (DEBUG_PACKAGE_INFO) Log.v( 2278 TAG, "getProviderInfo " + component + ": " + p); 2279 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2280 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2281 if (ps == null) return null; 2282 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2283 userId); 2284 } 2285 } 2286 return null; 2287 } 2288 2289 @Override 2290 public String[] getSystemSharedLibraryNames() { 2291 Set<String> libSet; 2292 synchronized (mPackages) { 2293 libSet = mSharedLibraries.keySet(); 2294 int size = libSet.size(); 2295 if (size > 0) { 2296 String[] libs = new String[size]; 2297 libSet.toArray(libs); 2298 return libs; 2299 } 2300 } 2301 return null; 2302 } 2303 2304 @Override 2305 public FeatureInfo[] getSystemAvailableFeatures() { 2306 Collection<FeatureInfo> featSet; 2307 synchronized (mPackages) { 2308 featSet = mAvailableFeatures.values(); 2309 int size = featSet.size(); 2310 if (size > 0) { 2311 FeatureInfo[] features = new FeatureInfo[size+1]; 2312 featSet.toArray(features); 2313 FeatureInfo fi = new FeatureInfo(); 2314 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2315 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2316 features[size] = fi; 2317 return features; 2318 } 2319 } 2320 return null; 2321 } 2322 2323 @Override 2324 public boolean hasSystemFeature(String name) { 2325 synchronized (mPackages) { 2326 return mAvailableFeatures.containsKey(name); 2327 } 2328 } 2329 2330 private void checkValidCaller(int uid, int userId) { 2331 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2332 return; 2333 2334 throw new SecurityException("Caller uid=" + uid 2335 + " is not privileged to communicate with user=" + userId); 2336 } 2337 2338 @Override 2339 public int checkPermission(String permName, String pkgName) { 2340 synchronized (mPackages) { 2341 PackageParser.Package p = mPackages.get(pkgName); 2342 if (p != null && p.mExtras != null) { 2343 PackageSetting ps = (PackageSetting)p.mExtras; 2344 if (ps.sharedUser != null) { 2345 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2346 return PackageManager.PERMISSION_GRANTED; 2347 } 2348 } else if (ps.grantedPermissions.contains(permName)) { 2349 return PackageManager.PERMISSION_GRANTED; 2350 } 2351 } 2352 } 2353 return PackageManager.PERMISSION_DENIED; 2354 } 2355 2356 @Override 2357 public int checkUidPermission(String permName, int uid) { 2358 synchronized (mPackages) { 2359 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2360 if (obj != null) { 2361 GrantedPermissions gp = (GrantedPermissions)obj; 2362 if (gp.grantedPermissions.contains(permName)) { 2363 return PackageManager.PERMISSION_GRANTED; 2364 } 2365 } else { 2366 HashSet<String> perms = mSystemPermissions.get(uid); 2367 if (perms != null && perms.contains(permName)) { 2368 return PackageManager.PERMISSION_GRANTED; 2369 } 2370 } 2371 } 2372 return PackageManager.PERMISSION_DENIED; 2373 } 2374 2375 /** 2376 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2377 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2378 * @param message the message to log on security exception 2379 */ 2380 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2381 String message) { 2382 if (userId < 0) { 2383 throw new IllegalArgumentException("Invalid userId " + userId); 2384 } 2385 if (userId == UserHandle.getUserId(callingUid)) return; 2386 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2387 if (requireFullPermission) { 2388 mContext.enforceCallingOrSelfPermission( 2389 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2390 } else { 2391 try { 2392 mContext.enforceCallingOrSelfPermission( 2393 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2394 } catch (SecurityException se) { 2395 mContext.enforceCallingOrSelfPermission( 2396 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2397 } 2398 } 2399 } 2400 } 2401 2402 private BasePermission findPermissionTreeLP(String permName) { 2403 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2404 if (permName.startsWith(bp.name) && 2405 permName.length() > bp.name.length() && 2406 permName.charAt(bp.name.length()) == '.') { 2407 return bp; 2408 } 2409 } 2410 return null; 2411 } 2412 2413 private BasePermission checkPermissionTreeLP(String permName) { 2414 if (permName != null) { 2415 BasePermission bp = findPermissionTreeLP(permName); 2416 if (bp != null) { 2417 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2418 return bp; 2419 } 2420 throw new SecurityException("Calling uid " 2421 + Binder.getCallingUid() 2422 + " is not allowed to add to permission tree " 2423 + bp.name + " owned by uid " + bp.uid); 2424 } 2425 } 2426 throw new SecurityException("No permission tree found for " + permName); 2427 } 2428 2429 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2430 if (s1 == null) { 2431 return s2 == null; 2432 } 2433 if (s2 == null) { 2434 return false; 2435 } 2436 if (s1.getClass() != s2.getClass()) { 2437 return false; 2438 } 2439 return s1.equals(s2); 2440 } 2441 2442 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2443 if (pi1.icon != pi2.icon) return false; 2444 if (pi1.logo != pi2.logo) return false; 2445 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2446 if (!compareStrings(pi1.name, pi2.name)) return false; 2447 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2448 // We'll take care of setting this one. 2449 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2450 // These are not currently stored in settings. 2451 //if (!compareStrings(pi1.group, pi2.group)) return false; 2452 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2453 //if (pi1.labelRes != pi2.labelRes) return false; 2454 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2455 return true; 2456 } 2457 2458 int permissionInfoFootprint(PermissionInfo info) { 2459 int size = info.name.length(); 2460 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2461 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2462 return size; 2463 } 2464 2465 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2466 int size = 0; 2467 for (BasePermission perm : mSettings.mPermissions.values()) { 2468 if (perm.uid == tree.uid) { 2469 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2470 } 2471 } 2472 return size; 2473 } 2474 2475 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2476 // We calculate the max size of permissions defined by this uid and throw 2477 // if that plus the size of 'info' would exceed our stated maximum. 2478 if (tree.uid != Process.SYSTEM_UID) { 2479 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2480 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2481 throw new SecurityException("Permission tree size cap exceeded"); 2482 } 2483 } 2484 } 2485 2486 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2487 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2488 throw new SecurityException("Label must be specified in permission"); 2489 } 2490 BasePermission tree = checkPermissionTreeLP(info.name); 2491 BasePermission bp = mSettings.mPermissions.get(info.name); 2492 boolean added = bp == null; 2493 boolean changed = true; 2494 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2495 if (added) { 2496 enforcePermissionCapLocked(info, tree); 2497 bp = new BasePermission(info.name, tree.sourcePackage, 2498 BasePermission.TYPE_DYNAMIC); 2499 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2500 throw new SecurityException( 2501 "Not allowed to modify non-dynamic permission " 2502 + info.name); 2503 } else { 2504 if (bp.protectionLevel == fixedLevel 2505 && bp.perm.owner.equals(tree.perm.owner) 2506 && bp.uid == tree.uid 2507 && comparePermissionInfos(bp.perm.info, info)) { 2508 changed = false; 2509 } 2510 } 2511 bp.protectionLevel = fixedLevel; 2512 info = new PermissionInfo(info); 2513 info.protectionLevel = fixedLevel; 2514 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2515 bp.perm.info.packageName = tree.perm.info.packageName; 2516 bp.uid = tree.uid; 2517 if (added) { 2518 mSettings.mPermissions.put(info.name, bp); 2519 } 2520 if (changed) { 2521 if (!async) { 2522 mSettings.writeLPr(); 2523 } else { 2524 scheduleWriteSettingsLocked(); 2525 } 2526 } 2527 return added; 2528 } 2529 2530 @Override 2531 public boolean addPermission(PermissionInfo info) { 2532 synchronized (mPackages) { 2533 return addPermissionLocked(info, false); 2534 } 2535 } 2536 2537 @Override 2538 public boolean addPermissionAsync(PermissionInfo info) { 2539 synchronized (mPackages) { 2540 return addPermissionLocked(info, true); 2541 } 2542 } 2543 2544 @Override 2545 public void removePermission(String name) { 2546 synchronized (mPackages) { 2547 checkPermissionTreeLP(name); 2548 BasePermission bp = mSettings.mPermissions.get(name); 2549 if (bp != null) { 2550 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2551 throw new SecurityException( 2552 "Not allowed to modify non-dynamic permission " 2553 + name); 2554 } 2555 mSettings.mPermissions.remove(name); 2556 mSettings.writeLPr(); 2557 } 2558 } 2559 } 2560 2561 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2562 int index = pkg.requestedPermissions.indexOf(bp.name); 2563 if (index == -1) { 2564 throw new SecurityException("Package " + pkg.packageName 2565 + " has not requested permission " + bp.name); 2566 } 2567 boolean isNormal = 2568 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2569 == PermissionInfo.PROTECTION_NORMAL); 2570 boolean isDangerous = 2571 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2572 == PermissionInfo.PROTECTION_DANGEROUS); 2573 boolean isDevelopment = 2574 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2575 2576 if (!isNormal && !isDangerous && !isDevelopment) { 2577 throw new SecurityException("Permission " + bp.name 2578 + " is not a changeable permission type"); 2579 } 2580 2581 if (isNormal || isDangerous) { 2582 if (pkg.requestedPermissionsRequired.get(index)) { 2583 throw new SecurityException("Can't change " + bp.name 2584 + ". It is required by the application"); 2585 } 2586 } 2587 } 2588 2589 @Override 2590 public void grantPermission(String packageName, String permissionName) { 2591 mContext.enforceCallingOrSelfPermission( 2592 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2593 synchronized (mPackages) { 2594 final PackageParser.Package pkg = mPackages.get(packageName); 2595 if (pkg == null) { 2596 throw new IllegalArgumentException("Unknown package: " + packageName); 2597 } 2598 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2599 if (bp == null) { 2600 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2601 } 2602 2603 checkGrantRevokePermissions(pkg, bp); 2604 2605 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2606 if (ps == null) { 2607 return; 2608 } 2609 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2610 if (gp.grantedPermissions.add(permissionName)) { 2611 if (ps.haveGids) { 2612 gp.gids = appendInts(gp.gids, bp.gids); 2613 } 2614 mSettings.writeLPr(); 2615 } 2616 } 2617 } 2618 2619 @Override 2620 public void revokePermission(String packageName, String permissionName) { 2621 int changedAppId = -1; 2622 2623 synchronized (mPackages) { 2624 final PackageParser.Package pkg = mPackages.get(packageName); 2625 if (pkg == null) { 2626 throw new IllegalArgumentException("Unknown package: " + packageName); 2627 } 2628 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2629 mContext.enforceCallingOrSelfPermission( 2630 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2631 } 2632 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2633 if (bp == null) { 2634 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2635 } 2636 2637 checkGrantRevokePermissions(pkg, bp); 2638 2639 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2640 if (ps == null) { 2641 return; 2642 } 2643 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2644 if (gp.grantedPermissions.remove(permissionName)) { 2645 gp.grantedPermissions.remove(permissionName); 2646 if (ps.haveGids) { 2647 gp.gids = removeInts(gp.gids, bp.gids); 2648 } 2649 mSettings.writeLPr(); 2650 changedAppId = ps.appId; 2651 } 2652 } 2653 2654 if (changedAppId >= 0) { 2655 // We changed the perm on someone, kill its processes. 2656 IActivityManager am = ActivityManagerNative.getDefault(); 2657 if (am != null) { 2658 final int callingUserId = UserHandle.getCallingUserId(); 2659 final long ident = Binder.clearCallingIdentity(); 2660 try { 2661 //XXX we should only revoke for the calling user's app permissions, 2662 // but for now we impact all users. 2663 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2664 // "revoke " + permissionName); 2665 int[] users = sUserManager.getUserIds(); 2666 for (int user : users) { 2667 am.killUid(UserHandle.getUid(user, changedAppId), 2668 "revoke " + permissionName); 2669 } 2670 } catch (RemoteException e) { 2671 } finally { 2672 Binder.restoreCallingIdentity(ident); 2673 } 2674 } 2675 } 2676 } 2677 2678 @Override 2679 public boolean isProtectedBroadcast(String actionName) { 2680 synchronized (mPackages) { 2681 return mProtectedBroadcasts.contains(actionName); 2682 } 2683 } 2684 2685 @Override 2686 public int checkSignatures(String pkg1, String pkg2) { 2687 synchronized (mPackages) { 2688 final PackageParser.Package p1 = mPackages.get(pkg1); 2689 final PackageParser.Package p2 = mPackages.get(pkg2); 2690 if (p1 == null || p1.mExtras == null 2691 || p2 == null || p2.mExtras == null) { 2692 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2693 } 2694 return compareSignatures(p1.mSignatures, p2.mSignatures); 2695 } 2696 } 2697 2698 @Override 2699 public int checkUidSignatures(int uid1, int uid2) { 2700 // Map to base uids. 2701 uid1 = UserHandle.getAppId(uid1); 2702 uid2 = UserHandle.getAppId(uid2); 2703 // reader 2704 synchronized (mPackages) { 2705 Signature[] s1; 2706 Signature[] s2; 2707 Object obj = mSettings.getUserIdLPr(uid1); 2708 if (obj != null) { 2709 if (obj instanceof SharedUserSetting) { 2710 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2711 } else if (obj instanceof PackageSetting) { 2712 s1 = ((PackageSetting)obj).signatures.mSignatures; 2713 } else { 2714 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2715 } 2716 } else { 2717 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2718 } 2719 obj = mSettings.getUserIdLPr(uid2); 2720 if (obj != null) { 2721 if (obj instanceof SharedUserSetting) { 2722 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2723 } else if (obj instanceof PackageSetting) { 2724 s2 = ((PackageSetting)obj).signatures.mSignatures; 2725 } else { 2726 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2727 } 2728 } else { 2729 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2730 } 2731 return compareSignatures(s1, s2); 2732 } 2733 } 2734 2735 /** 2736 * Compares two sets of signatures. Returns: 2737 * <br /> 2738 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2739 * <br /> 2740 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2741 * <br /> 2742 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2743 * <br /> 2744 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2745 * <br /> 2746 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2747 */ 2748 static int compareSignatures(Signature[] s1, Signature[] s2) { 2749 if (s1 == null) { 2750 return s2 == null 2751 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2752 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2753 } 2754 2755 if (s2 == null) { 2756 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2757 } 2758 2759 if (s1.length != s2.length) { 2760 return PackageManager.SIGNATURE_NO_MATCH; 2761 } 2762 2763 // Since both signature sets are of size 1, we can compare without HashSets. 2764 if (s1.length == 1) { 2765 return s1[0].equals(s2[0]) ? 2766 PackageManager.SIGNATURE_MATCH : 2767 PackageManager.SIGNATURE_NO_MATCH; 2768 } 2769 2770 HashSet<Signature> set1 = new HashSet<Signature>(); 2771 for (Signature sig : s1) { 2772 set1.add(sig); 2773 } 2774 HashSet<Signature> set2 = new HashSet<Signature>(); 2775 for (Signature sig : s2) { 2776 set2.add(sig); 2777 } 2778 // Make sure s2 contains all signatures in s1. 2779 if (set1.equals(set2)) { 2780 return PackageManager.SIGNATURE_MATCH; 2781 } 2782 return PackageManager.SIGNATURE_NO_MATCH; 2783 } 2784 2785 /** 2786 * If the database version for this type of package (internal storage or 2787 * external storage) is less than the version where package signatures 2788 * were updated, return true. 2789 */ 2790 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2791 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2792 DatabaseVersion.SIGNATURE_END_ENTITY)) 2793 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2794 DatabaseVersion.SIGNATURE_END_ENTITY)); 2795 } 2796 2797 /** 2798 * Used for backward compatibility to make sure any packages with 2799 * certificate chains get upgraded to the new style. {@code existingSigs} 2800 * will be in the old format (since they were stored on disk from before the 2801 * system upgrade) and {@code scannedSigs} will be in the newer format. 2802 */ 2803 private int compareSignaturesCompat(PackageSignatures existingSigs, 2804 PackageParser.Package scannedPkg) { 2805 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2806 return PackageManager.SIGNATURE_NO_MATCH; 2807 } 2808 2809 HashSet<Signature> existingSet = new HashSet<Signature>(); 2810 for (Signature sig : existingSigs.mSignatures) { 2811 existingSet.add(sig); 2812 } 2813 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2814 for (Signature sig : scannedPkg.mSignatures) { 2815 try { 2816 Signature[] chainSignatures = sig.getChainSignatures(); 2817 for (Signature chainSig : chainSignatures) { 2818 scannedCompatSet.add(chainSig); 2819 } 2820 } catch (CertificateEncodingException e) { 2821 scannedCompatSet.add(sig); 2822 } 2823 } 2824 /* 2825 * Make sure the expanded scanned set contains all signatures in the 2826 * existing one. 2827 */ 2828 if (scannedCompatSet.equals(existingSet)) { 2829 // Migrate the old signatures to the new scheme. 2830 existingSigs.assignSignatures(scannedPkg.mSignatures); 2831 // The new KeySets will be re-added later in the scanning process. 2832 mSettings.mKeySetManagerService.removeAppKeySetData(scannedPkg.packageName); 2833 return PackageManager.SIGNATURE_MATCH; 2834 } 2835 return PackageManager.SIGNATURE_NO_MATCH; 2836 } 2837 2838 @Override 2839 public String[] getPackagesForUid(int uid) { 2840 uid = UserHandle.getAppId(uid); 2841 // reader 2842 synchronized (mPackages) { 2843 Object obj = mSettings.getUserIdLPr(uid); 2844 if (obj instanceof SharedUserSetting) { 2845 final SharedUserSetting sus = (SharedUserSetting) obj; 2846 final int N = sus.packages.size(); 2847 final String[] res = new String[N]; 2848 final Iterator<PackageSetting> it = sus.packages.iterator(); 2849 int i = 0; 2850 while (it.hasNext()) { 2851 res[i++] = it.next().name; 2852 } 2853 return res; 2854 } else if (obj instanceof PackageSetting) { 2855 final PackageSetting ps = (PackageSetting) obj; 2856 return new String[] { ps.name }; 2857 } 2858 } 2859 return null; 2860 } 2861 2862 @Override 2863 public String getNameForUid(int uid) { 2864 // reader 2865 synchronized (mPackages) { 2866 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2867 if (obj instanceof SharedUserSetting) { 2868 final SharedUserSetting sus = (SharedUserSetting) obj; 2869 return sus.name + ":" + sus.userId; 2870 } else if (obj instanceof PackageSetting) { 2871 final PackageSetting ps = (PackageSetting) obj; 2872 return ps.name; 2873 } 2874 } 2875 return null; 2876 } 2877 2878 @Override 2879 public int getUidForSharedUser(String sharedUserName) { 2880 if(sharedUserName == null) { 2881 return -1; 2882 } 2883 // reader 2884 synchronized (mPackages) { 2885 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2886 if (suid == null) { 2887 return -1; 2888 } 2889 return suid.userId; 2890 } 2891 } 2892 2893 @Override 2894 public int getFlagsForUid(int uid) { 2895 synchronized (mPackages) { 2896 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2897 if (obj instanceof SharedUserSetting) { 2898 final SharedUserSetting sus = (SharedUserSetting) obj; 2899 return sus.pkgFlags; 2900 } else if (obj instanceof PackageSetting) { 2901 final PackageSetting ps = (PackageSetting) obj; 2902 return ps.pkgFlags; 2903 } 2904 } 2905 return 0; 2906 } 2907 2908 @Override 2909 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2910 int flags, int userId) { 2911 if (!sUserManager.exists(userId)) return null; 2912 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2913 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2914 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2915 } 2916 2917 @Override 2918 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2919 IntentFilter filter, int match, ComponentName activity) { 2920 final int userId = UserHandle.getCallingUserId(); 2921 if (DEBUG_PREFERRED) { 2922 Log.v(TAG, "setLastChosenActivity intent=" + intent 2923 + " resolvedType=" + resolvedType 2924 + " flags=" + flags 2925 + " filter=" + filter 2926 + " match=" + match 2927 + " activity=" + activity); 2928 filter.dump(new PrintStreamPrinter(System.out), " "); 2929 } 2930 intent.setComponent(null); 2931 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2932 // Find any earlier preferred or last chosen entries and nuke them 2933 findPreferredActivity(intent, resolvedType, 2934 flags, query, 0, false, true, false, userId); 2935 // Add the new activity as the last chosen for this filter 2936 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2937 } 2938 2939 @Override 2940 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2941 final int userId = UserHandle.getCallingUserId(); 2942 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2943 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2944 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2945 false, false, false, userId); 2946 } 2947 2948 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2949 int flags, List<ResolveInfo> query, int userId) { 2950 if (query != null) { 2951 final int N = query.size(); 2952 if (N == 1) { 2953 return query.get(0); 2954 } else if (N > 1) { 2955 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2956 // If there is more than one activity with the same priority, 2957 // then let the user decide between them. 2958 ResolveInfo r0 = query.get(0); 2959 ResolveInfo r1 = query.get(1); 2960 if (DEBUG_INTENT_MATCHING || debug) { 2961 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2962 + r1.activityInfo.name + "=" + r1.priority); 2963 } 2964 // If the first activity has a higher priority, or a different 2965 // default, then it is always desireable to pick it. 2966 if (r0.priority != r1.priority 2967 || r0.preferredOrder != r1.preferredOrder 2968 || r0.isDefault != r1.isDefault) { 2969 return query.get(0); 2970 } 2971 // If we have saved a preference for a preferred activity for 2972 // this Intent, use that. 2973 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2974 flags, query, r0.priority, true, false, debug, userId); 2975 if (ri != null) { 2976 return ri; 2977 } 2978 if (userId != 0) { 2979 ri = new ResolveInfo(mResolveInfo); 2980 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2981 ri.activityInfo.applicationInfo = new ApplicationInfo( 2982 ri.activityInfo.applicationInfo); 2983 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2984 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2985 return ri; 2986 } 2987 return mResolveInfo; 2988 } 2989 } 2990 return null; 2991 } 2992 2993 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2994 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2995 final int N = query.size(); 2996 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2997 .get(userId); 2998 // Get the list of persistent preferred activities that handle the intent 2999 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3000 List<PersistentPreferredActivity> pprefs = ppir != null 3001 ? ppir.queryIntent(intent, resolvedType, 3002 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3003 : null; 3004 if (pprefs != null && pprefs.size() > 0) { 3005 final int M = pprefs.size(); 3006 for (int i=0; i<M; i++) { 3007 final PersistentPreferredActivity ppa = pprefs.get(i); 3008 if (DEBUG_PREFERRED || debug) { 3009 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3010 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3011 + "\n component=" + ppa.mComponent); 3012 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3013 } 3014 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3015 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3016 if (DEBUG_PREFERRED || debug) { 3017 Slog.v(TAG, "Found persistent preferred activity:"); 3018 if (ai != null) { 3019 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3020 } else { 3021 Slog.v(TAG, " null"); 3022 } 3023 } 3024 if (ai == null) { 3025 // This previously registered persistent preferred activity 3026 // component is no longer known. Ignore it and do NOT remove it. 3027 continue; 3028 } 3029 for (int j=0; j<N; j++) { 3030 final ResolveInfo ri = query.get(j); 3031 if (!ri.activityInfo.applicationInfo.packageName 3032 .equals(ai.applicationInfo.packageName)) { 3033 continue; 3034 } 3035 if (!ri.activityInfo.name.equals(ai.name)) { 3036 continue; 3037 } 3038 // Found a persistent preference that can handle the intent. 3039 if (DEBUG_PREFERRED || debug) { 3040 Slog.v(TAG, "Returning persistent preferred activity: " + 3041 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3042 } 3043 return ri; 3044 } 3045 } 3046 } 3047 return null; 3048 } 3049 3050 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3051 List<ResolveInfo> query, int priority, boolean always, 3052 boolean removeMatches, boolean debug, int userId) { 3053 if (!sUserManager.exists(userId)) return null; 3054 // writer 3055 synchronized (mPackages) { 3056 if (intent.getSelector() != null) { 3057 intent = intent.getSelector(); 3058 } 3059 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3060 3061 // Try to find a matching persistent preferred activity. 3062 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3063 debug, userId); 3064 3065 // If a persistent preferred activity matched, use it. 3066 if (pri != null) { 3067 return pri; 3068 } 3069 3070 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3071 // Get the list of preferred activities that handle the intent 3072 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3073 List<PreferredActivity> prefs = pir != null 3074 ? pir.queryIntent(intent, resolvedType, 3075 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3076 : null; 3077 if (prefs != null && prefs.size() > 0) { 3078 // First figure out how good the original match set is. 3079 // We will only allow preferred activities that came 3080 // from the same match quality. 3081 int match = 0; 3082 3083 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3084 3085 final int N = query.size(); 3086 for (int j=0; j<N; j++) { 3087 final ResolveInfo ri = query.get(j); 3088 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3089 + ": 0x" + Integer.toHexString(match)); 3090 if (ri.match > match) { 3091 match = ri.match; 3092 } 3093 } 3094 3095 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3096 + Integer.toHexString(match)); 3097 3098 match &= IntentFilter.MATCH_CATEGORY_MASK; 3099 final int M = prefs.size(); 3100 for (int i=0; i<M; i++) { 3101 final PreferredActivity pa = prefs.get(i); 3102 if (DEBUG_PREFERRED || debug) { 3103 Slog.v(TAG, "Checking PreferredActivity ds=" 3104 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3105 + "\n component=" + pa.mPref.mComponent); 3106 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3107 } 3108 if (pa.mPref.mMatch != match) { 3109 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3110 + Integer.toHexString(pa.mPref.mMatch)); 3111 continue; 3112 } 3113 // If it's not an "always" type preferred activity and that's what we're 3114 // looking for, skip it. 3115 if (always && !pa.mPref.mAlways) { 3116 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3117 continue; 3118 } 3119 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3120 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3121 if (DEBUG_PREFERRED || debug) { 3122 Slog.v(TAG, "Found preferred activity:"); 3123 if (ai != null) { 3124 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3125 } else { 3126 Slog.v(TAG, " null"); 3127 } 3128 } 3129 if (ai == null) { 3130 // This previously registered preferred activity 3131 // component is no longer known. Most likely an update 3132 // to the app was installed and in the new version this 3133 // component no longer exists. Clean it up by removing 3134 // it from the preferred activities list, and skip it. 3135 Slog.w(TAG, "Removing dangling preferred activity: " 3136 + pa.mPref.mComponent); 3137 pir.removeFilter(pa); 3138 continue; 3139 } 3140 for (int j=0; j<N; j++) { 3141 final ResolveInfo ri = query.get(j); 3142 if (!ri.activityInfo.applicationInfo.packageName 3143 .equals(ai.applicationInfo.packageName)) { 3144 continue; 3145 } 3146 if (!ri.activityInfo.name.equals(ai.name)) { 3147 continue; 3148 } 3149 3150 if (removeMatches) { 3151 pir.removeFilter(pa); 3152 if (DEBUG_PREFERRED) { 3153 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3154 } 3155 break; 3156 } 3157 3158 // Okay we found a previously set preferred or last chosen app. 3159 // If the result set is different from when this 3160 // was created, we need to clear it and re-ask the 3161 // user their preference, if we're looking for an "always" type entry. 3162 if (always && !pa.mPref.sameSet(query, priority)) { 3163 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3164 + intent + " type " + resolvedType); 3165 if (DEBUG_PREFERRED) { 3166 Slog.v(TAG, "Removing preferred activity since set changed " 3167 + pa.mPref.mComponent); 3168 } 3169 pir.removeFilter(pa); 3170 // Re-add the filter as a "last chosen" entry (!always) 3171 PreferredActivity lastChosen = new PreferredActivity( 3172 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3173 pir.addFilter(lastChosen); 3174 mSettings.writePackageRestrictionsLPr(userId); 3175 return null; 3176 } 3177 3178 // Yay! Either the set matched or we're looking for the last chosen 3179 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3180 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3181 mSettings.writePackageRestrictionsLPr(userId); 3182 return ri; 3183 } 3184 } 3185 } 3186 mSettings.writePackageRestrictionsLPr(userId); 3187 } 3188 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3189 return null; 3190 } 3191 3192 /* 3193 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3194 */ 3195 @Override 3196 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3197 int targetUserId) { 3198 mContext.enforceCallingOrSelfPermission( 3199 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3200 List<CrossProfileIntentFilter> matches = 3201 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3202 if (matches != null) { 3203 int size = matches.size(); 3204 for (int i = 0; i < size; i++) { 3205 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3206 } 3207 } 3208 3209 ArrayList<String> packageNames = null; 3210 SparseArray<ArrayList<String>> fromSource = 3211 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3212 if (fromSource != null) { 3213 packageNames = fromSource.get(targetUserId); 3214 } 3215 if (packageNames.contains(intent.getPackage())) { 3216 return true; 3217 } 3218 // We need the package name, so we try to resolve with the loosest flags possible 3219 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3220 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3221 int count = resolveInfos.size(); 3222 for (int i = 0; i < count; i++) { 3223 ResolveInfo resolveInfo = resolveInfos.get(i); 3224 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3225 return true; 3226 } 3227 } 3228 return false; 3229 } 3230 3231 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3232 String resolvedType, int userId) { 3233 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3234 if (resolver != null) { 3235 return resolver.queryIntent(intent, resolvedType, false, userId); 3236 } 3237 return null; 3238 } 3239 3240 @Override 3241 public List<ResolveInfo> queryIntentActivities(Intent intent, 3242 String resolvedType, int flags, int userId) { 3243 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3244 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3245 ComponentName comp = intent.getComponent(); 3246 if (comp == null) { 3247 if (intent.getSelector() != null) { 3248 intent = intent.getSelector(); 3249 comp = intent.getComponent(); 3250 } 3251 } 3252 3253 if (comp != null) { 3254 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3255 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3256 if (ai != null) { 3257 final ResolveInfo ri = new ResolveInfo(); 3258 ri.activityInfo = ai; 3259 list.add(ri); 3260 } 3261 return list; 3262 } 3263 3264 // reader 3265 synchronized (mPackages) { 3266 final String pkgName = intent.getPackage(); 3267 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3268 if (pkgName == null) { 3269 ResolveInfo resolveInfo = null; 3270 if (queryCrossProfile) { 3271 // Check if the intent needs to be forwarded to another user for this package 3272 ArrayList<ResolveInfo> crossProfileResult = 3273 queryIntentActivitiesCrossProfilePackage( 3274 intent, resolvedType, flags, userId); 3275 if (!crossProfileResult.isEmpty()) { 3276 // Skip the current profile 3277 return crossProfileResult; 3278 } 3279 List<CrossProfileIntentFilter> matchingFilters = 3280 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3281 // Check for results that need to skip the current profile. 3282 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3283 resolvedType, flags, userId); 3284 if (resolveInfo != null) { 3285 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3286 result.add(resolveInfo); 3287 return result; 3288 } 3289 // Check for cross profile results. 3290 resolveInfo = queryCrossProfileIntents( 3291 matchingFilters, intent, resolvedType, flags, userId); 3292 } 3293 // Check for results in the current profile. 3294 List<ResolveInfo> result = mActivities.queryIntent( 3295 intent, resolvedType, flags, userId); 3296 if (resolveInfo != null) { 3297 result.add(resolveInfo); 3298 } 3299 return result; 3300 } 3301 final PackageParser.Package pkg = mPackages.get(pkgName); 3302 if (pkg != null) { 3303 if (queryCrossProfile) { 3304 ArrayList<ResolveInfo> crossProfileResult = 3305 queryIntentActivitiesCrossProfilePackage( 3306 intent, resolvedType, flags, userId, pkg, pkgName); 3307 if (!crossProfileResult.isEmpty()) { 3308 // Skip the current profile 3309 return crossProfileResult; 3310 } 3311 } 3312 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3313 pkg.activities, userId); 3314 } 3315 return new ArrayList<ResolveInfo>(); 3316 } 3317 } 3318 3319 private ResolveInfo querySkipCurrentProfileIntents( 3320 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3321 int flags, int sourceUserId) { 3322 if (matchingFilters != null) { 3323 int size = matchingFilters.size(); 3324 for (int i = 0; i < size; i ++) { 3325 CrossProfileIntentFilter filter = matchingFilters.get(i); 3326 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3327 // Checking if there are activities in the target user that can handle the 3328 // intent. 3329 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3330 flags, sourceUserId); 3331 if (resolveInfo != null) { 3332 return resolveInfo; 3333 } 3334 } 3335 } 3336 } 3337 return null; 3338 } 3339 3340 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3341 Intent intent, String resolvedType, int flags, int userId) { 3342 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3343 SparseArray<ArrayList<String>> sourceForwardingInfo = 3344 mSettings.mCrossProfilePackageInfo.get(userId); 3345 if (sourceForwardingInfo != null) { 3346 int NI = sourceForwardingInfo.size(); 3347 for (int i = 0; i < NI; i++) { 3348 int targetUserId = sourceForwardingInfo.keyAt(i); 3349 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3350 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3351 intent, resolvedType, flags, targetUserId); 3352 int NJ = resolveInfos.size(); 3353 for (int j = 0; j < NJ; j++) { 3354 ResolveInfo resolveInfo = resolveInfos.get(j); 3355 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3356 matchingResolveInfos.add(createForwardingResolveInfo( 3357 resolveInfo.filter, userId, targetUserId)); 3358 } 3359 } 3360 } 3361 } 3362 return matchingResolveInfos; 3363 } 3364 3365 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3366 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3367 String packageName) { 3368 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3369 SparseArray<ArrayList<String>> sourceForwardingInfo = 3370 mSettings.mCrossProfilePackageInfo.get(userId); 3371 if (sourceForwardingInfo != null) { 3372 int NI = sourceForwardingInfo.size(); 3373 for (int i = 0; i < NI; i++) { 3374 int targetUserId = sourceForwardingInfo.keyAt(i); 3375 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3376 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3377 intent, resolvedType, flags, pkg.activities, targetUserId); 3378 int NJ = resolveInfos.size(); 3379 for (int j = 0; j < NJ; j++) { 3380 ResolveInfo resolveInfo = resolveInfos.get(j); 3381 matchingResolveInfos.add(createForwardingResolveInfo( 3382 resolveInfo.filter, userId, targetUserId)); 3383 } 3384 } 3385 } 3386 } 3387 return matchingResolveInfos; 3388 } 3389 3390 // Return matching ResolveInfo if any for skip current profile intent filters. 3391 private ResolveInfo queryCrossProfileIntents( 3392 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3393 int flags, int sourceUserId) { 3394 if (matchingFilters != null) { 3395 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3396 // match the same intent. For performance reasons, it is better not to 3397 // run queryIntent twice for the same userId 3398 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3399 int size = matchingFilters.size(); 3400 for (int i = 0; i < size; i++) { 3401 CrossProfileIntentFilter filter = matchingFilters.get(i); 3402 int targetUserId = filter.getTargetUserId(); 3403 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3404 && !alreadyTriedUserIds.get(targetUserId)) { 3405 // Checking if there are activities in the target user that can handle the 3406 // intent. 3407 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3408 flags, sourceUserId); 3409 if (resolveInfo != null) return resolveInfo; 3410 alreadyTriedUserIds.put(targetUserId, true); 3411 } 3412 } 3413 } 3414 return null; 3415 } 3416 3417 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3418 String resolvedType, int flags, int sourceUserId) { 3419 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3420 resolvedType, flags, filter.getTargetUserId()); 3421 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3422 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3423 } 3424 return null; 3425 } 3426 3427 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3428 int sourceUserId, int targetUserId) { 3429 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3430 String className; 3431 if (targetUserId == UserHandle.USER_OWNER) { 3432 className = FORWARD_INTENT_TO_USER_OWNER; 3433 } else { 3434 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3435 } 3436 ComponentName forwardingActivityComponentName = new ComponentName( 3437 mAndroidApplication.packageName, className); 3438 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3439 sourceUserId); 3440 if (targetUserId == UserHandle.USER_OWNER) { 3441 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3442 forwardingResolveInfo.noResourceId = true; 3443 } 3444 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3445 forwardingResolveInfo.priority = 0; 3446 forwardingResolveInfo.preferredOrder = 0; 3447 forwardingResolveInfo.match = 0; 3448 forwardingResolveInfo.isDefault = true; 3449 forwardingResolveInfo.filter = filter; 3450 forwardingResolveInfo.targetUserId = targetUserId; 3451 return forwardingResolveInfo; 3452 } 3453 3454 @Override 3455 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3456 Intent[] specifics, String[] specificTypes, Intent intent, 3457 String resolvedType, int flags, int userId) { 3458 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3459 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3460 "query intent activity options"); 3461 final String resultsAction = intent.getAction(); 3462 3463 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3464 | PackageManager.GET_RESOLVED_FILTER, userId); 3465 3466 if (DEBUG_INTENT_MATCHING) { 3467 Log.v(TAG, "Query " + intent + ": " + results); 3468 } 3469 3470 int specificsPos = 0; 3471 int N; 3472 3473 // todo: note that the algorithm used here is O(N^2). This 3474 // isn't a problem in our current environment, but if we start running 3475 // into situations where we have more than 5 or 10 matches then this 3476 // should probably be changed to something smarter... 3477 3478 // First we go through and resolve each of the specific items 3479 // that were supplied, taking care of removing any corresponding 3480 // duplicate items in the generic resolve list. 3481 if (specifics != null) { 3482 for (int i=0; i<specifics.length; i++) { 3483 final Intent sintent = specifics[i]; 3484 if (sintent == null) { 3485 continue; 3486 } 3487 3488 if (DEBUG_INTENT_MATCHING) { 3489 Log.v(TAG, "Specific #" + i + ": " + sintent); 3490 } 3491 3492 String action = sintent.getAction(); 3493 if (resultsAction != null && resultsAction.equals(action)) { 3494 // If this action was explicitly requested, then don't 3495 // remove things that have it. 3496 action = null; 3497 } 3498 3499 ResolveInfo ri = null; 3500 ActivityInfo ai = null; 3501 3502 ComponentName comp = sintent.getComponent(); 3503 if (comp == null) { 3504 ri = resolveIntent( 3505 sintent, 3506 specificTypes != null ? specificTypes[i] : null, 3507 flags, userId); 3508 if (ri == null) { 3509 continue; 3510 } 3511 if (ri == mResolveInfo) { 3512 // ACK! Must do something better with this. 3513 } 3514 ai = ri.activityInfo; 3515 comp = new ComponentName(ai.applicationInfo.packageName, 3516 ai.name); 3517 } else { 3518 ai = getActivityInfo(comp, flags, userId); 3519 if (ai == null) { 3520 continue; 3521 } 3522 } 3523 3524 // Look for any generic query activities that are duplicates 3525 // of this specific one, and remove them from the results. 3526 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3527 N = results.size(); 3528 int j; 3529 for (j=specificsPos; j<N; j++) { 3530 ResolveInfo sri = results.get(j); 3531 if ((sri.activityInfo.name.equals(comp.getClassName()) 3532 && sri.activityInfo.applicationInfo.packageName.equals( 3533 comp.getPackageName())) 3534 || (action != null && sri.filter.matchAction(action))) { 3535 results.remove(j); 3536 if (DEBUG_INTENT_MATCHING) Log.v( 3537 TAG, "Removing duplicate item from " + j 3538 + " due to specific " + specificsPos); 3539 if (ri == null) { 3540 ri = sri; 3541 } 3542 j--; 3543 N--; 3544 } 3545 } 3546 3547 // Add this specific item to its proper place. 3548 if (ri == null) { 3549 ri = new ResolveInfo(); 3550 ri.activityInfo = ai; 3551 } 3552 results.add(specificsPos, ri); 3553 ri.specificIndex = i; 3554 specificsPos++; 3555 } 3556 } 3557 3558 // Now we go through the remaining generic results and remove any 3559 // duplicate actions that are found here. 3560 N = results.size(); 3561 for (int i=specificsPos; i<N-1; i++) { 3562 final ResolveInfo rii = results.get(i); 3563 if (rii.filter == null) { 3564 continue; 3565 } 3566 3567 // Iterate over all of the actions of this result's intent 3568 // filter... typically this should be just one. 3569 final Iterator<String> it = rii.filter.actionsIterator(); 3570 if (it == null) { 3571 continue; 3572 } 3573 while (it.hasNext()) { 3574 final String action = it.next(); 3575 if (resultsAction != null && resultsAction.equals(action)) { 3576 // If this action was explicitly requested, then don't 3577 // remove things that have it. 3578 continue; 3579 } 3580 for (int j=i+1; j<N; j++) { 3581 final ResolveInfo rij = results.get(j); 3582 if (rij.filter != null && rij.filter.hasAction(action)) { 3583 results.remove(j); 3584 if (DEBUG_INTENT_MATCHING) Log.v( 3585 TAG, "Removing duplicate item from " + j 3586 + " due to action " + action + " at " + i); 3587 j--; 3588 N--; 3589 } 3590 } 3591 } 3592 3593 // If the caller didn't request filter information, drop it now 3594 // so we don't have to marshall/unmarshall it. 3595 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3596 rii.filter = null; 3597 } 3598 } 3599 3600 // Filter out the caller activity if so requested. 3601 if (caller != null) { 3602 N = results.size(); 3603 for (int i=0; i<N; i++) { 3604 ActivityInfo ainfo = results.get(i).activityInfo; 3605 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3606 && caller.getClassName().equals(ainfo.name)) { 3607 results.remove(i); 3608 break; 3609 } 3610 } 3611 } 3612 3613 // If the caller didn't request filter information, 3614 // drop them now so we don't have to 3615 // marshall/unmarshall it. 3616 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3617 N = results.size(); 3618 for (int i=0; i<N; i++) { 3619 results.get(i).filter = null; 3620 } 3621 } 3622 3623 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3624 return results; 3625 } 3626 3627 @Override 3628 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3629 int userId) { 3630 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3631 ComponentName comp = intent.getComponent(); 3632 if (comp == null) { 3633 if (intent.getSelector() != null) { 3634 intent = intent.getSelector(); 3635 comp = intent.getComponent(); 3636 } 3637 } 3638 if (comp != null) { 3639 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3640 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3641 if (ai != null) { 3642 ResolveInfo ri = new ResolveInfo(); 3643 ri.activityInfo = ai; 3644 list.add(ri); 3645 } 3646 return list; 3647 } 3648 3649 // reader 3650 synchronized (mPackages) { 3651 String pkgName = intent.getPackage(); 3652 if (pkgName == null) { 3653 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3654 } 3655 final PackageParser.Package pkg = mPackages.get(pkgName); 3656 if (pkg != null) { 3657 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3658 userId); 3659 } 3660 return null; 3661 } 3662 } 3663 3664 @Override 3665 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3666 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3667 if (!sUserManager.exists(userId)) return null; 3668 if (query != null) { 3669 if (query.size() >= 1) { 3670 // If there is more than one service with the same priority, 3671 // just arbitrarily pick the first one. 3672 return query.get(0); 3673 } 3674 } 3675 return null; 3676 } 3677 3678 @Override 3679 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3680 int userId) { 3681 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3682 ComponentName comp = intent.getComponent(); 3683 if (comp == null) { 3684 if (intent.getSelector() != null) { 3685 intent = intent.getSelector(); 3686 comp = intent.getComponent(); 3687 } 3688 } 3689 if (comp != null) { 3690 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3691 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3692 if (si != null) { 3693 final ResolveInfo ri = new ResolveInfo(); 3694 ri.serviceInfo = si; 3695 list.add(ri); 3696 } 3697 return list; 3698 } 3699 3700 // reader 3701 synchronized (mPackages) { 3702 String pkgName = intent.getPackage(); 3703 if (pkgName == null) { 3704 return mServices.queryIntent(intent, resolvedType, flags, userId); 3705 } 3706 final PackageParser.Package pkg = mPackages.get(pkgName); 3707 if (pkg != null) { 3708 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3709 userId); 3710 } 3711 return null; 3712 } 3713 } 3714 3715 @Override 3716 public List<ResolveInfo> queryIntentContentProviders( 3717 Intent intent, String resolvedType, int flags, int userId) { 3718 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3719 ComponentName comp = intent.getComponent(); 3720 if (comp == null) { 3721 if (intent.getSelector() != null) { 3722 intent = intent.getSelector(); 3723 comp = intent.getComponent(); 3724 } 3725 } 3726 if (comp != null) { 3727 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3728 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3729 if (pi != null) { 3730 final ResolveInfo ri = new ResolveInfo(); 3731 ri.providerInfo = pi; 3732 list.add(ri); 3733 } 3734 return list; 3735 } 3736 3737 // reader 3738 synchronized (mPackages) { 3739 String pkgName = intent.getPackage(); 3740 if (pkgName == null) { 3741 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3742 } 3743 final PackageParser.Package pkg = mPackages.get(pkgName); 3744 if (pkg != null) { 3745 return mProviders.queryIntentForPackage( 3746 intent, resolvedType, flags, pkg.providers, userId); 3747 } 3748 return null; 3749 } 3750 } 3751 3752 @Override 3753 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3754 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3755 3756 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3757 3758 // writer 3759 synchronized (mPackages) { 3760 ArrayList<PackageInfo> list; 3761 if (listUninstalled) { 3762 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3763 for (PackageSetting ps : mSettings.mPackages.values()) { 3764 PackageInfo pi; 3765 if (ps.pkg != null) { 3766 pi = generatePackageInfo(ps.pkg, flags, userId); 3767 } else { 3768 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3769 } 3770 if (pi != null) { 3771 list.add(pi); 3772 } 3773 } 3774 } else { 3775 list = new ArrayList<PackageInfo>(mPackages.size()); 3776 for (PackageParser.Package p : mPackages.values()) { 3777 PackageInfo pi = generatePackageInfo(p, flags, userId); 3778 if (pi != null) { 3779 list.add(pi); 3780 } 3781 } 3782 } 3783 3784 return new ParceledListSlice<PackageInfo>(list); 3785 } 3786 } 3787 3788 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3789 String[] permissions, boolean[] tmp, int flags, int userId) { 3790 int numMatch = 0; 3791 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3792 for (int i=0; i<permissions.length; i++) { 3793 if (gp.grantedPermissions.contains(permissions[i])) { 3794 tmp[i] = true; 3795 numMatch++; 3796 } else { 3797 tmp[i] = false; 3798 } 3799 } 3800 if (numMatch == 0) { 3801 return; 3802 } 3803 PackageInfo pi; 3804 if (ps.pkg != null) { 3805 pi = generatePackageInfo(ps.pkg, flags, userId); 3806 } else { 3807 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3808 } 3809 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3810 if (numMatch == permissions.length) { 3811 pi.requestedPermissions = permissions; 3812 } else { 3813 pi.requestedPermissions = new String[numMatch]; 3814 numMatch = 0; 3815 for (int i=0; i<permissions.length; i++) { 3816 if (tmp[i]) { 3817 pi.requestedPermissions[numMatch] = permissions[i]; 3818 numMatch++; 3819 } 3820 } 3821 } 3822 } 3823 list.add(pi); 3824 } 3825 3826 @Override 3827 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3828 String[] permissions, int flags, int userId) { 3829 if (!sUserManager.exists(userId)) return null; 3830 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3831 3832 // writer 3833 synchronized (mPackages) { 3834 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3835 boolean[] tmpBools = new boolean[permissions.length]; 3836 if (listUninstalled) { 3837 for (PackageSetting ps : mSettings.mPackages.values()) { 3838 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3839 } 3840 } else { 3841 for (PackageParser.Package pkg : mPackages.values()) { 3842 PackageSetting ps = (PackageSetting)pkg.mExtras; 3843 if (ps != null) { 3844 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3845 userId); 3846 } 3847 } 3848 } 3849 3850 return new ParceledListSlice<PackageInfo>(list); 3851 } 3852 } 3853 3854 @Override 3855 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3856 if (!sUserManager.exists(userId)) return null; 3857 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3858 3859 // writer 3860 synchronized (mPackages) { 3861 ArrayList<ApplicationInfo> list; 3862 if (listUninstalled) { 3863 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3864 for (PackageSetting ps : mSettings.mPackages.values()) { 3865 ApplicationInfo ai; 3866 if (ps.pkg != null) { 3867 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3868 ps.readUserState(userId), userId); 3869 } else { 3870 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3871 } 3872 if (ai != null) { 3873 list.add(ai); 3874 } 3875 } 3876 } else { 3877 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3878 for (PackageParser.Package p : mPackages.values()) { 3879 if (p.mExtras != null) { 3880 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3881 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3882 if (ai != null) { 3883 list.add(ai); 3884 } 3885 } 3886 } 3887 } 3888 3889 return new ParceledListSlice<ApplicationInfo>(list); 3890 } 3891 } 3892 3893 public List<ApplicationInfo> getPersistentApplications(int flags) { 3894 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3895 3896 // reader 3897 synchronized (mPackages) { 3898 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3899 final int userId = UserHandle.getCallingUserId(); 3900 while (i.hasNext()) { 3901 final PackageParser.Package p = i.next(); 3902 if (p.applicationInfo != null 3903 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3904 && (!mSafeMode || isSystemApp(p))) { 3905 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3906 if (ps != null) { 3907 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3908 ps.readUserState(userId), userId); 3909 if (ai != null) { 3910 finalList.add(ai); 3911 } 3912 } 3913 } 3914 } 3915 } 3916 3917 return finalList; 3918 } 3919 3920 @Override 3921 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3922 if (!sUserManager.exists(userId)) return null; 3923 // reader 3924 synchronized (mPackages) { 3925 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3926 PackageSetting ps = provider != null 3927 ? mSettings.mPackages.get(provider.owner.packageName) 3928 : null; 3929 return ps != null 3930 && mSettings.isEnabledLPr(provider.info, flags, userId) 3931 && (!mSafeMode || (provider.info.applicationInfo.flags 3932 &ApplicationInfo.FLAG_SYSTEM) != 0) 3933 ? PackageParser.generateProviderInfo(provider, flags, 3934 ps.readUserState(userId), userId) 3935 : null; 3936 } 3937 } 3938 3939 /** 3940 * @deprecated 3941 */ 3942 @Deprecated 3943 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3944 // reader 3945 synchronized (mPackages) { 3946 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3947 .entrySet().iterator(); 3948 final int userId = UserHandle.getCallingUserId(); 3949 while (i.hasNext()) { 3950 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3951 PackageParser.Provider p = entry.getValue(); 3952 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3953 3954 if (ps != null && p.syncable 3955 && (!mSafeMode || (p.info.applicationInfo.flags 3956 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3957 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3958 ps.readUserState(userId), userId); 3959 if (info != null) { 3960 outNames.add(entry.getKey()); 3961 outInfo.add(info); 3962 } 3963 } 3964 } 3965 } 3966 } 3967 3968 @Override 3969 public List<ProviderInfo> queryContentProviders(String processName, 3970 int uid, int flags) { 3971 ArrayList<ProviderInfo> finalList = null; 3972 // reader 3973 synchronized (mPackages) { 3974 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3975 final int userId = processName != null ? 3976 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3977 while (i.hasNext()) { 3978 final PackageParser.Provider p = i.next(); 3979 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3980 if (ps != null && p.info.authority != null 3981 && (processName == null 3982 || (p.info.processName.equals(processName) 3983 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3984 && mSettings.isEnabledLPr(p.info, flags, userId) 3985 && (!mSafeMode 3986 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3987 if (finalList == null) { 3988 finalList = new ArrayList<ProviderInfo>(3); 3989 } 3990 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3991 ps.readUserState(userId), userId); 3992 if (info != null) { 3993 finalList.add(info); 3994 } 3995 } 3996 } 3997 } 3998 3999 if (finalList != null) { 4000 Collections.sort(finalList, mProviderInitOrderSorter); 4001 } 4002 4003 return finalList; 4004 } 4005 4006 @Override 4007 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4008 int flags) { 4009 // reader 4010 synchronized (mPackages) { 4011 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4012 return PackageParser.generateInstrumentationInfo(i, flags); 4013 } 4014 } 4015 4016 @Override 4017 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4018 int flags) { 4019 ArrayList<InstrumentationInfo> finalList = 4020 new ArrayList<InstrumentationInfo>(); 4021 4022 // reader 4023 synchronized (mPackages) { 4024 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4025 while (i.hasNext()) { 4026 final PackageParser.Instrumentation p = i.next(); 4027 if (targetPackage == null 4028 || targetPackage.equals(p.info.targetPackage)) { 4029 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4030 flags); 4031 if (ii != null) { 4032 finalList.add(ii); 4033 } 4034 } 4035 } 4036 } 4037 4038 return finalList; 4039 } 4040 4041 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4042 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4043 if (overlays == null) { 4044 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4045 return; 4046 } 4047 for (PackageParser.Package opkg : overlays.values()) { 4048 // Not much to do if idmap fails: we already logged the error 4049 // and we certainly don't want to abort installation of pkg simply 4050 // because an overlay didn't fit properly. For these reasons, 4051 // ignore the return value of createIdmapForPackagePairLI. 4052 createIdmapForPackagePairLI(pkg, opkg); 4053 } 4054 } 4055 4056 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4057 PackageParser.Package opkg) { 4058 if (!opkg.mTrustedOverlay) { 4059 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4060 opkg.baseCodePath + ": overlay not trusted"); 4061 return false; 4062 } 4063 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4064 if (overlaySet == null) { 4065 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4066 opkg.baseCodePath + " but target package has no known overlays"); 4067 return false; 4068 } 4069 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4070 // TODO: generate idmap for split APKs 4071 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4072 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4073 + opkg.baseCodePath); 4074 return false; 4075 } 4076 PackageParser.Package[] overlayArray = 4077 overlaySet.values().toArray(new PackageParser.Package[0]); 4078 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4079 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4080 return p1.mOverlayPriority - p2.mOverlayPriority; 4081 } 4082 }; 4083 Arrays.sort(overlayArray, cmp); 4084 4085 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4086 int i = 0; 4087 for (PackageParser.Package p : overlayArray) { 4088 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4089 } 4090 return true; 4091 } 4092 4093 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4094 final File[] files = dir.listFiles(); 4095 if (ArrayUtils.isEmpty(files)) { 4096 Log.d(TAG, "No files in app dir " + dir); 4097 return; 4098 } 4099 4100 if (DEBUG_PACKAGE_SCANNING) { 4101 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4102 + " flags=0x" + Integer.toHexString(flags)); 4103 } 4104 4105 for (File file : files) { 4106 final boolean isPackage = isApkFile(file) || file.isDirectory(); 4107 if (!isPackage) { 4108 // Ignore entries which are not apk's 4109 continue; 4110 } 4111 PackageParser.Package pkg = scanPackageLI(file, 4112 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4113 // Don't mess around with apps in system partition. 4114 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4115 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4116 // Delete the apk 4117 Slog.w(TAG, "Cleaning up failed install of " + file); 4118 file.delete(); 4119 } 4120 } 4121 } 4122 4123 private static File getSettingsProblemFile() { 4124 File dataDir = Environment.getDataDirectory(); 4125 File systemDir = new File(dataDir, "system"); 4126 File fname = new File(systemDir, "uiderrors.txt"); 4127 return fname; 4128 } 4129 4130 static void reportSettingsProblem(int priority, String msg) { 4131 try { 4132 File fname = getSettingsProblemFile(); 4133 FileOutputStream out = new FileOutputStream(fname, true); 4134 PrintWriter pw = new FastPrintWriter(out); 4135 SimpleDateFormat formatter = new SimpleDateFormat(); 4136 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4137 pw.println(dateString + ": " + msg); 4138 pw.close(); 4139 FileUtils.setPermissions( 4140 fname.toString(), 4141 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4142 -1, -1); 4143 } catch (java.io.IOException e) { 4144 } 4145 Slog.println(priority, TAG, msg); 4146 } 4147 4148 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4149 PackageParser.Package pkg, File srcFile, int parseFlags) { 4150 if (ps != null 4151 && ps.codePath.equals(srcFile) 4152 && ps.timeStamp == srcFile.lastModified() 4153 && !isCompatSignatureUpdateNeeded(pkg)) { 4154 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4155 if (ps.signatures.mSignatures != null 4156 && ps.signatures.mSignatures.length != 0 4157 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4158 // Optimization: reuse the existing cached certificates 4159 // if the package appears to be unchanged. 4160 pkg.mSignatures = ps.signatures.mSignatures; 4161 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4162 pkg.mSigningKeys = ksms.getPublicKeysFromKeySet(mSigningKeySetId); 4163 return true; 4164 } 4165 4166 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4167 } else { 4168 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4169 } 4170 4171 try { 4172 pp.collectCertificates(pkg, parseFlags); 4173 pp.collectManifestDigest(pkg); 4174 } catch (PackageParserException e) { 4175 mLastScanError = e.error; 4176 return false; 4177 } 4178 return true; 4179 } 4180 4181 /* 4182 * Scan a package and return the newly parsed package. 4183 * Returns null in case of errors and the error code is stored in mLastScanError 4184 */ 4185 private PackageParser.Package scanPackageLI(File scanFile, 4186 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4187 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4188 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4189 parseFlags |= mDefParseFlags; 4190 PackageParser pp = new PackageParser(); 4191 pp.setSeparateProcesses(mSeparateProcesses); 4192 pp.setOnlyCoreApps(mOnlyCore); 4193 pp.setDisplayMetrics(mMetrics); 4194 4195 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4196 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4197 } 4198 4199 final PackageParser.Package pkg; 4200 try { 4201 pkg = pp.parsePackage(scanFile, parseFlags); 4202 } catch (PackageParserException e) { 4203 mLastScanError = e.error; 4204 return null; 4205 } 4206 4207 PackageSetting ps = null; 4208 PackageSetting updatedPkg; 4209 // reader 4210 synchronized (mPackages) { 4211 // Look to see if we already know about this package. 4212 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4213 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4214 // This package has been renamed to its original name. Let's 4215 // use that. 4216 ps = mSettings.peekPackageLPr(oldName); 4217 } 4218 // If there was no original package, see one for the real package name. 4219 if (ps == null) { 4220 ps = mSettings.peekPackageLPr(pkg.packageName); 4221 } 4222 // Check to see if this package could be hiding/updating a system 4223 // package. Must look for it either under the original or real 4224 // package name depending on our state. 4225 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4226 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4227 } 4228 boolean updatedPkgBetter = false; 4229 // First check if this is a system package that may involve an update 4230 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4231 if (ps != null && !ps.codePath.equals(scanFile)) { 4232 // The path has changed from what was last scanned... check the 4233 // version of the new path against what we have stored to determine 4234 // what to do. 4235 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4236 if (pkg.mVersionCode < ps.versionCode) { 4237 // The system package has been updated and the code path does not match 4238 // Ignore entry. Skip it. 4239 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4240 + " ignored: updated version " + ps.versionCode 4241 + " better than this " + pkg.mVersionCode); 4242 if (!updatedPkg.codePath.equals(scanFile)) { 4243 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4244 + ps.name + " changing from " + updatedPkg.codePathString 4245 + " to " + scanFile); 4246 updatedPkg.codePath = scanFile; 4247 updatedPkg.codePathString = scanFile.toString(); 4248 // This is the point at which we know that the system-disk APK 4249 // for this package has moved during a reboot (e.g. due to an OTA), 4250 // so we need to reevaluate it for privilege policy. 4251 if (locationIsPrivileged(scanFile)) { 4252 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4253 } 4254 } 4255 updatedPkg.pkg = pkg; 4256 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4257 return null; 4258 } else { 4259 // The current app on the system partition is better than 4260 // what we have updated to on the data partition; switch 4261 // back to the system partition version. 4262 // At this point, its safely assumed that package installation for 4263 // apps in system partition will go through. If not there won't be a working 4264 // version of the app 4265 // writer 4266 synchronized (mPackages) { 4267 // Just remove the loaded entries from package lists. 4268 mPackages.remove(ps.name); 4269 } 4270 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4271 + "reverting from " + ps.codePathString 4272 + ": new version " + pkg.mVersionCode 4273 + " better than installed " + ps.versionCode); 4274 4275 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4276 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4277 getAppInstructionSetFromSettings(ps)); 4278 synchronized (mInstallLock) { 4279 args.cleanUpResourcesLI(); 4280 } 4281 synchronized (mPackages) { 4282 mSettings.enableSystemPackageLPw(ps.name); 4283 } 4284 updatedPkgBetter = true; 4285 } 4286 } 4287 } 4288 4289 if (updatedPkg != null) { 4290 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4291 // initially 4292 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4293 4294 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4295 // flag set initially 4296 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4297 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4298 } 4299 } 4300 // Verify certificates against what was last scanned 4301 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4302 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4303 return null; 4304 } 4305 4306 /* 4307 * A new system app appeared, but we already had a non-system one of the 4308 * same name installed earlier. 4309 */ 4310 boolean shouldHideSystemApp = false; 4311 if (updatedPkg == null && ps != null 4312 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4313 /* 4314 * Check to make sure the signatures match first. If they don't, 4315 * wipe the installed application and its data. 4316 */ 4317 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4318 != PackageManager.SIGNATURE_MATCH) { 4319 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4320 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4321 ps = null; 4322 } else { 4323 /* 4324 * If the newly-added system app is an older version than the 4325 * already installed version, hide it. It will be scanned later 4326 * and re-added like an update. 4327 */ 4328 if (pkg.mVersionCode < ps.versionCode) { 4329 shouldHideSystemApp = true; 4330 } else { 4331 /* 4332 * The newly found system app is a newer version that the 4333 * one previously installed. Simply remove the 4334 * already-installed application and replace it with our own 4335 * while keeping the application data. 4336 */ 4337 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4338 + ps.codePathString + ": new version " + pkg.mVersionCode 4339 + " better than installed " + ps.versionCode); 4340 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4341 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4342 getAppInstructionSetFromSettings(ps)); 4343 synchronized (mInstallLock) { 4344 args.cleanUpResourcesLI(); 4345 } 4346 } 4347 } 4348 } 4349 4350 // The apk is forward locked (not public) if its code and resources 4351 // are kept in different files. (except for app in either system or 4352 // vendor path). 4353 // TODO grab this value from PackageSettings 4354 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4355 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4356 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4357 } 4358 } 4359 4360 // TODO: extend to support forward-locked splits 4361 String resourcePath = null; 4362 String baseResourcePath = null; 4363 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4364 if (ps != null && ps.resourcePathString != null) { 4365 resourcePath = ps.resourcePathString; 4366 baseResourcePath = ps.resourcePathString; 4367 } else { 4368 // Should not happen at all. Just log an error. 4369 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4370 } 4371 } else { 4372 resourcePath = pkg.codePath; 4373 baseResourcePath = pkg.baseCodePath; 4374 } 4375 4376 // Set application objects path explicitly. 4377 pkg.applicationInfo.setCodePath(pkg.codePath); 4378 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4379 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4380 pkg.applicationInfo.setResourcePath(resourcePath); 4381 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4382 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4383 4384 // Note that we invoke the following method only if we are about to unpack an application 4385 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4386 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4387 4388 /* 4389 * If the system app should be overridden by a previously installed 4390 * data, hide the system app now and let the /data/app scan pick it up 4391 * again. 4392 */ 4393 if (shouldHideSystemApp) { 4394 synchronized (mPackages) { 4395 /* 4396 * We have to grant systems permissions before we hide, because 4397 * grantPermissions will assume the package update is trying to 4398 * expand its permissions. 4399 */ 4400 grantPermissionsLPw(pkg, true); 4401 mSettings.disableSystemPackageLPw(pkg.packageName); 4402 } 4403 } 4404 4405 return scannedPkg; 4406 } 4407 4408 private static String fixProcessName(String defProcessName, 4409 String processName, int uid) { 4410 if (processName == null) { 4411 return defProcessName; 4412 } 4413 return processName; 4414 } 4415 4416 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4417 if (pkgSetting.signatures.mSignatures != null) { 4418 // Already existing package. Make sure signatures match 4419 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4420 == PackageManager.SIGNATURE_MATCH; 4421 if (!match) { 4422 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4423 == PackageManager.SIGNATURE_MATCH; 4424 } 4425 if (!match) { 4426 Slog.e(TAG, "Package " + pkg.packageName 4427 + " signatures do not match the previously installed version; ignoring!"); 4428 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4429 return false; 4430 } 4431 } 4432 4433 // Check for shared user signatures 4434 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4435 // Already existing package. Make sure signatures match 4436 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4437 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4438 if (!match) { 4439 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4440 == PackageManager.SIGNATURE_MATCH; 4441 } 4442 if (!match) { 4443 Slog.e(TAG, "Package " + pkg.packageName 4444 + " has no signatures that match those in shared user " 4445 + pkgSetting.sharedUser.name + "; ignoring!"); 4446 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4447 return false; 4448 } 4449 } 4450 return true; 4451 } 4452 4453 /** 4454 * Enforces that only the system UID or root's UID can call a method exposed 4455 * via Binder. 4456 * 4457 * @param message used as message if SecurityException is thrown 4458 * @throws SecurityException if the caller is not system or root 4459 */ 4460 private static final void enforceSystemOrRoot(String message) { 4461 final int uid = Binder.getCallingUid(); 4462 if (uid != Process.SYSTEM_UID && uid != 0) { 4463 throw new SecurityException(message); 4464 } 4465 } 4466 4467 @Override 4468 public void performBootDexOpt() { 4469 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4470 4471 final HashSet<PackageParser.Package> pkgs; 4472 synchronized (mPackages) { 4473 pkgs = mDeferredDexOpt; 4474 mDeferredDexOpt = null; 4475 } 4476 4477 if (pkgs != null) { 4478 // Filter out packages that aren't recently used. 4479 // 4480 // The exception is first boot of a non-eng device, which 4481 // should do a full dexopt. 4482 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4483 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4484 // TODO: add a property to control this? 4485 long dexOptLRUThresholdInMinutes; 4486 if (eng) { 4487 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4488 } else { 4489 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4490 } 4491 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4492 4493 int total = pkgs.size(); 4494 int skipped = 0; 4495 long now = System.currentTimeMillis(); 4496 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4497 PackageParser.Package pkg = i.next(); 4498 long then = pkg.mLastPackageUsageTimeInMills; 4499 if (then + dexOptLRUThresholdInMills < now) { 4500 if (DEBUG_DEXOPT) { 4501 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4502 ((then == 0) ? "never" : new Date(then))); 4503 } 4504 i.remove(); 4505 skipped++; 4506 } 4507 } 4508 if (DEBUG_DEXOPT) { 4509 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4510 } 4511 } 4512 4513 int i = 0; 4514 for (PackageParser.Package pkg : pkgs) { 4515 i++; 4516 if (DEBUG_DEXOPT) { 4517 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4518 + ": " + pkg.packageName); 4519 } 4520 if (!isFirstBoot()) { 4521 try { 4522 ActivityManagerNative.getDefault().showBootMessage( 4523 mContext.getResources().getString( 4524 R.string.android_upgrading_apk, 4525 i, pkgs.size()), true); 4526 } catch (RemoteException e) { 4527 } 4528 } 4529 PackageParser.Package p = pkg; 4530 synchronized (mInstallLock) { 4531 if (p.mDexOptNeeded) { 4532 performDexOptLI(p, false /* force dex */, false /* defer */, 4533 true /* include dependencies */); 4534 } 4535 } 4536 } 4537 } 4538 } 4539 4540 @Override 4541 public boolean performDexOpt(String packageName) { 4542 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4543 return performDexOpt(packageName, true); 4544 } 4545 4546 public boolean performDexOpt(String packageName, boolean updateUsage) { 4547 4548 PackageParser.Package p; 4549 synchronized (mPackages) { 4550 p = mPackages.get(packageName); 4551 if (p == null) { 4552 return false; 4553 } 4554 if (updateUsage) { 4555 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4556 } 4557 mPackageUsage.write(false); 4558 if (!p.mDexOptNeeded) { 4559 return false; 4560 } 4561 } 4562 4563 synchronized (mInstallLock) { 4564 return performDexOptLI(p, false /* force dex */, false /* defer */, 4565 true /* include dependencies */) == DEX_OPT_PERFORMED; 4566 } 4567 } 4568 4569 public HashSet<String> getPackagesThatNeedDexOpt() { 4570 HashSet<String> pkgs = null; 4571 synchronized (mPackages) { 4572 for (PackageParser.Package p : mPackages.values()) { 4573 if (DEBUG_DEXOPT) { 4574 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4575 } 4576 if (!p.mDexOptNeeded) { 4577 continue; 4578 } 4579 if (pkgs == null) { 4580 pkgs = new HashSet<String>(); 4581 } 4582 pkgs.add(p.packageName); 4583 } 4584 } 4585 return pkgs; 4586 } 4587 4588 public void shutdown() { 4589 mPackageUsage.write(true); 4590 } 4591 4592 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4593 boolean forceDex, boolean defer, HashSet<String> done) { 4594 for (int i=0; i<libs.size(); i++) { 4595 PackageParser.Package libPkg; 4596 String libName; 4597 synchronized (mPackages) { 4598 libName = libs.get(i); 4599 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4600 if (lib != null && lib.apk != null) { 4601 libPkg = mPackages.get(lib.apk); 4602 } else { 4603 libPkg = null; 4604 } 4605 } 4606 if (libPkg != null && !done.contains(libName)) { 4607 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4608 } 4609 } 4610 } 4611 4612 static final int DEX_OPT_SKIPPED = 0; 4613 static final int DEX_OPT_PERFORMED = 1; 4614 static final int DEX_OPT_DEFERRED = 2; 4615 static final int DEX_OPT_FAILED = -1; 4616 4617 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4618 boolean forceDex, boolean defer, HashSet<String> done) { 4619 final String instructionSet = instructionSetOverride != null ? 4620 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4621 4622 if (done != null) { 4623 done.add(pkg.packageName); 4624 if (pkg.usesLibraries != null) { 4625 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4626 } 4627 if (pkg.usesOptionalLibraries != null) { 4628 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4629 } 4630 } 4631 4632 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4633 final Collection<String> paths = pkg.getAllCodePaths(); 4634 for (String path : paths) { 4635 try { 4636 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4637 pkg.packageName, instructionSet, defer); 4638 // There are three basic cases here: 4639 // 1.) we need to dexopt, either because we are forced or it is needed 4640 // 2.) we are defering a needed dexopt 4641 // 3.) we are skipping an unneeded dexopt 4642 if (forceDex || (!defer && isDexOptNeededInternal)) { 4643 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4644 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4645 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4646 pkg.packageName, instructionSet); 4647 // Note that we ran dexopt, since rerunning will 4648 // probably just result in an error again. 4649 pkg.mDexOptNeeded = false; 4650 if (ret < 0) { 4651 return DEX_OPT_FAILED; 4652 } 4653 return DEX_OPT_PERFORMED; 4654 } 4655 if (defer && isDexOptNeededInternal) { 4656 if (mDeferredDexOpt == null) { 4657 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4658 } 4659 mDeferredDexOpt.add(pkg); 4660 return DEX_OPT_DEFERRED; 4661 } 4662 pkg.mDexOptNeeded = false; 4663 return DEX_OPT_SKIPPED; 4664 } catch (FileNotFoundException e) { 4665 Slog.w(TAG, "Apk not found for dexopt: " + path); 4666 return DEX_OPT_FAILED; 4667 } catch (IOException e) { 4668 Slog.w(TAG, "IOException reading apk: " + path, e); 4669 return DEX_OPT_FAILED; 4670 } catch (StaleDexCacheError e) { 4671 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4672 return DEX_OPT_FAILED; 4673 } catch (Exception e) { 4674 Slog.w(TAG, "Exception when doing dexopt : ", e); 4675 return DEX_OPT_FAILED; 4676 } 4677 } 4678 } 4679 return DEX_OPT_SKIPPED; 4680 } 4681 4682 private String getAppInstructionSet(ApplicationInfo info) { 4683 String instructionSet = getPreferredInstructionSet(); 4684 4685 if (info.cpuAbi != null) { 4686 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4687 } 4688 4689 return instructionSet; 4690 } 4691 4692 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4693 String instructionSet = getPreferredInstructionSet(); 4694 4695 if (ps.cpuAbiString != null) { 4696 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4697 } 4698 4699 return instructionSet; 4700 } 4701 4702 private static String getPreferredInstructionSet() { 4703 if (sPreferredInstructionSet == null) { 4704 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4705 } 4706 4707 return sPreferredInstructionSet; 4708 } 4709 4710 private static List<String> getAllInstructionSets() { 4711 final String[] allAbis = Build.SUPPORTED_ABIS; 4712 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4713 4714 for (String abi : allAbis) { 4715 final String instructionSet = VMRuntime.getInstructionSet(abi); 4716 if (!allInstructionSets.contains(instructionSet)) { 4717 allInstructionSets.add(instructionSet); 4718 } 4719 } 4720 4721 return allInstructionSets; 4722 } 4723 4724 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4725 boolean inclDependencies) { 4726 HashSet<String> done; 4727 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4728 done = new HashSet<String>(); 4729 done.add(pkg.packageName); 4730 } else { 4731 done = null; 4732 } 4733 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4734 } 4735 4736 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4737 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4738 Slog.w(TAG, "Unable to update from " + oldPkg.name 4739 + " to " + newPkg.packageName 4740 + ": old package not in system partition"); 4741 return false; 4742 } else if (mPackages.get(oldPkg.name) != null) { 4743 Slog.w(TAG, "Unable to update from " + oldPkg.name 4744 + " to " + newPkg.packageName 4745 + ": old package still exists"); 4746 return false; 4747 } 4748 return true; 4749 } 4750 4751 File getDataPathForUser(int userId) { 4752 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4753 } 4754 4755 private File getDataPathForPackage(String packageName, int userId) { 4756 /* 4757 * Until we fully support multiple users, return the directory we 4758 * previously would have. The PackageManagerTests will need to be 4759 * revised when this is changed back.. 4760 */ 4761 if (userId == 0) { 4762 return new File(mAppDataDir, packageName); 4763 } else { 4764 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4765 + File.separator + packageName); 4766 } 4767 } 4768 4769 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4770 int[] users = sUserManager.getUserIds(); 4771 int res = mInstaller.install(packageName, uid, uid, seinfo); 4772 if (res < 0) { 4773 return res; 4774 } 4775 for (int user : users) { 4776 if (user != 0) { 4777 res = mInstaller.createUserData(packageName, 4778 UserHandle.getUid(user, uid), user, seinfo); 4779 if (res < 0) { 4780 return res; 4781 } 4782 } 4783 } 4784 return res; 4785 } 4786 4787 private int removeDataDirsLI(String packageName) { 4788 int[] users = sUserManager.getUserIds(); 4789 int res = 0; 4790 for (int user : users) { 4791 int resInner = mInstaller.remove(packageName, user); 4792 if (resInner < 0) { 4793 res = resInner; 4794 } 4795 } 4796 4797 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4798 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4799 if (!nativeLibraryFile.delete()) { 4800 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4801 } 4802 4803 return res; 4804 } 4805 4806 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4807 PackageParser.Package changingLib) { 4808 if (file.path != null) { 4809 usesLibraryFiles.add(file.path); 4810 return; 4811 } 4812 PackageParser.Package p = mPackages.get(file.apk); 4813 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4814 // If we are doing this while in the middle of updating a library apk, 4815 // then we need to make sure to use that new apk for determining the 4816 // dependencies here. (We haven't yet finished committing the new apk 4817 // to the package manager state.) 4818 if (p == null || p.packageName.equals(changingLib.packageName)) { 4819 p = changingLib; 4820 } 4821 } 4822 if (p != null) { 4823 usesLibraryFiles.addAll(p.getAllCodePaths()); 4824 } 4825 } 4826 4827 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4828 PackageParser.Package changingLib) { 4829 // We might be upgrading from a version of the platform that did not 4830 // provide per-package native library directories for system apps. 4831 // Fix that up here. 4832 if (isSystemApp(pkg)) { 4833 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4834 setInternalAppNativeLibraryPath(pkg, ps); 4835 } 4836 4837 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4838 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4839 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4840 for (int i=0; i<N; i++) { 4841 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4842 if (file == null) { 4843 Slog.e(TAG, "Package " + pkg.packageName 4844 + " requires unavailable shared library " 4845 + pkg.usesLibraries.get(i) + "; failing!"); 4846 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4847 return false; 4848 } 4849 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4850 } 4851 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4852 for (int i=0; i<N; i++) { 4853 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4854 if (file == null) { 4855 Slog.w(TAG, "Package " + pkg.packageName 4856 + " desires unavailable shared library " 4857 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4858 } else { 4859 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4860 } 4861 } 4862 N = usesLibraryFiles.size(); 4863 if (N > 0) { 4864 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4865 } else { 4866 pkg.usesLibraryFiles = null; 4867 } 4868 } 4869 return true; 4870 } 4871 4872 private static boolean hasString(List<String> list, List<String> which) { 4873 if (list == null) { 4874 return false; 4875 } 4876 for (int i=list.size()-1; i>=0; i--) { 4877 for (int j=which.size()-1; j>=0; j--) { 4878 if (which.get(j).equals(list.get(i))) { 4879 return true; 4880 } 4881 } 4882 } 4883 return false; 4884 } 4885 4886 private void updateAllSharedLibrariesLPw() { 4887 for (PackageParser.Package pkg : mPackages.values()) { 4888 updateSharedLibrariesLPw(pkg, null); 4889 } 4890 } 4891 4892 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4893 PackageParser.Package changingPkg) { 4894 ArrayList<PackageParser.Package> res = null; 4895 for (PackageParser.Package pkg : mPackages.values()) { 4896 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4897 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4898 if (res == null) { 4899 res = new ArrayList<PackageParser.Package>(); 4900 } 4901 res.add(pkg); 4902 updateSharedLibrariesLPw(pkg, changingPkg); 4903 } 4904 } 4905 return res; 4906 } 4907 4908 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4909 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4910 final File scanFile = new File(pkg.codePath); 4911 if (pkg.applicationInfo.getCodePath() == null || 4912 pkg.applicationInfo.getResourcePath() == null) { 4913 // Bail out. The resource and code paths haven't been set. 4914 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4915 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4916 return null; 4917 } 4918 4919 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4920 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4921 } 4922 4923 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4924 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4925 } 4926 4927 if (mCustomResolverComponentName != null && 4928 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4929 setUpCustomResolverActivity(pkg); 4930 } 4931 4932 if (pkg.packageName.equals("android")) { 4933 synchronized (mPackages) { 4934 if (mAndroidApplication != null) { 4935 Slog.w(TAG, "*************************************************"); 4936 Slog.w(TAG, "Core android package being redefined. Skipping."); 4937 Slog.w(TAG, " file=" + scanFile); 4938 Slog.w(TAG, "*************************************************"); 4939 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4940 return null; 4941 } 4942 4943 // Set up information for our fall-back user intent resolution activity. 4944 mPlatformPackage = pkg; 4945 pkg.mVersionCode = mSdkVersion; 4946 mAndroidApplication = pkg.applicationInfo; 4947 4948 if (!mResolverReplaced) { 4949 mResolveActivity.applicationInfo = mAndroidApplication; 4950 mResolveActivity.name = ResolverActivity.class.getName(); 4951 mResolveActivity.packageName = mAndroidApplication.packageName; 4952 mResolveActivity.processName = "system:ui"; 4953 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4954 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4955 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4956 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4957 mResolveActivity.exported = true; 4958 mResolveActivity.enabled = true; 4959 mResolveInfo.activityInfo = mResolveActivity; 4960 mResolveInfo.priority = 0; 4961 mResolveInfo.preferredOrder = 0; 4962 mResolveInfo.match = 0; 4963 mResolveComponentName = new ComponentName( 4964 mAndroidApplication.packageName, mResolveActivity.name); 4965 } 4966 } 4967 } 4968 4969 if (DEBUG_PACKAGE_SCANNING) { 4970 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4971 Log.d(TAG, "Scanning package " + pkg.packageName); 4972 } 4973 4974 if (mPackages.containsKey(pkg.packageName) 4975 || mSharedLibraries.containsKey(pkg.packageName)) { 4976 Slog.w(TAG, "Application package " + pkg.packageName 4977 + " already installed. Skipping duplicate."); 4978 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4979 return null; 4980 } 4981 4982 // Initialize package source and resource directories 4983 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 4984 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 4985 4986 SharedUserSetting suid = null; 4987 PackageSetting pkgSetting = null; 4988 4989 if (!isSystemApp(pkg)) { 4990 // Only system apps can use these features. 4991 pkg.mOriginalPackages = null; 4992 pkg.mRealPackage = null; 4993 pkg.mAdoptPermissions = null; 4994 } 4995 4996 // writer 4997 synchronized (mPackages) { 4998 if (pkg.mSharedUserId != null) { 4999 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5000 if (suid == null) { 5001 Slog.w(TAG, "Creating application package " + pkg.packageName 5002 + " for shared user failed"); 5003 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5004 return null; 5005 } 5006 if (DEBUG_PACKAGE_SCANNING) { 5007 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5008 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5009 + "): packages=" + suid.packages); 5010 } 5011 } 5012 5013 // Check if we are renaming from an original package name. 5014 PackageSetting origPackage = null; 5015 String realName = null; 5016 if (pkg.mOriginalPackages != null) { 5017 // This package may need to be renamed to a previously 5018 // installed name. Let's check on that... 5019 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5020 if (pkg.mOriginalPackages.contains(renamed)) { 5021 // This package had originally been installed as the 5022 // original name, and we have already taken care of 5023 // transitioning to the new one. Just update the new 5024 // one to continue using the old name. 5025 realName = pkg.mRealPackage; 5026 if (!pkg.packageName.equals(renamed)) { 5027 // Callers into this function may have already taken 5028 // care of renaming the package; only do it here if 5029 // it is not already done. 5030 pkg.setPackageName(renamed); 5031 } 5032 5033 } else { 5034 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5035 if ((origPackage = mSettings.peekPackageLPr( 5036 pkg.mOriginalPackages.get(i))) != null) { 5037 // We do have the package already installed under its 5038 // original name... should we use it? 5039 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5040 // New package is not compatible with original. 5041 origPackage = null; 5042 continue; 5043 } else if (origPackage.sharedUser != null) { 5044 // Make sure uid is compatible between packages. 5045 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5046 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5047 + " to " + pkg.packageName + ": old uid " 5048 + origPackage.sharedUser.name 5049 + " differs from " + pkg.mSharedUserId); 5050 origPackage = null; 5051 continue; 5052 } 5053 } else { 5054 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5055 + pkg.packageName + " to old name " + origPackage.name); 5056 } 5057 break; 5058 } 5059 } 5060 } 5061 } 5062 5063 if (mTransferedPackages.contains(pkg.packageName)) { 5064 Slog.w(TAG, "Package " + pkg.packageName 5065 + " was transferred to another, but its .apk remains"); 5066 } 5067 5068 // Just create the setting, don't add it yet. For already existing packages 5069 // the PkgSetting exists already and doesn't have to be created. 5070 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5071 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5072 pkg.applicationInfo.cpuAbi, 5073 pkg.applicationInfo.flags, user, false); 5074 if (pkgSetting == null) { 5075 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5076 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5077 return null; 5078 } 5079 5080 if (pkgSetting.origPackage != null) { 5081 // If we are first transitioning from an original package, 5082 // fix up the new package's name now. We need to do this after 5083 // looking up the package under its new name, so getPackageLP 5084 // can take care of fiddling things correctly. 5085 pkg.setPackageName(origPackage.name); 5086 5087 // File a report about this. 5088 String msg = "New package " + pkgSetting.realName 5089 + " renamed to replace old package " + pkgSetting.name; 5090 reportSettingsProblem(Log.WARN, msg); 5091 5092 // Make a note of it. 5093 mTransferedPackages.add(origPackage.name); 5094 5095 // No longer need to retain this. 5096 pkgSetting.origPackage = null; 5097 } 5098 5099 if (realName != null) { 5100 // Make a note of it. 5101 mTransferedPackages.add(pkg.packageName); 5102 } 5103 5104 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5105 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5106 } 5107 5108 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5109 // Check all shared libraries and map to their actual file path. 5110 // We only do this here for apps not on a system dir, because those 5111 // are the only ones that can fail an install due to this. We 5112 // will take care of the system apps by updating all of their 5113 // library paths after the scan is done. 5114 if (!updateSharedLibrariesLPw(pkg, null)) { 5115 return null; 5116 } 5117 } 5118 5119 if (mFoundPolicyFile) { 5120 SELinuxMMAC.assignSeinfoValue(pkg); 5121 } 5122 5123 pkg.applicationInfo.uid = pkgSetting.appId; 5124 pkg.mExtras = pkgSetting; 5125 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5126 if (!verifySignaturesLP(pkgSetting, pkg)) { 5127 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5128 return null; 5129 } 5130 // The signature has changed, but this package is in the system 5131 // image... let's recover! 5132 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5133 // However... if this package is part of a shared user, but it 5134 // doesn't match the signature of the shared user, let's fail. 5135 // What this means is that you can't change the signatures 5136 // associated with an overall shared user, which doesn't seem all 5137 // that unreasonable. 5138 if (pkgSetting.sharedUser != null) { 5139 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5140 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5141 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5142 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5143 return null; 5144 } 5145 } 5146 // File a report about this. 5147 String msg = "System package " + pkg.packageName 5148 + " signature changed; retaining data."; 5149 reportSettingsProblem(Log.WARN, msg); 5150 } 5151 } else { 5152 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5153 Slog.e(TAG, "Package " + pkg.packageName 5154 + " upgrade keys do not match the previously installed version; "); 5155 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5156 return null; 5157 } else { 5158 // signatures may have changed as result of upgrade 5159 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5160 } 5161 } 5162 // Verify that this new package doesn't have any content providers 5163 // that conflict with existing packages. Only do this if the 5164 // package isn't already installed, since we don't want to break 5165 // things that are installed. 5166 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5167 final int N = pkg.providers.size(); 5168 int i; 5169 for (i=0; i<N; i++) { 5170 PackageParser.Provider p = pkg.providers.get(i); 5171 if (p.info.authority != null) { 5172 String names[] = p.info.authority.split(";"); 5173 for (int j = 0; j < names.length; j++) { 5174 if (mProvidersByAuthority.containsKey(names[j])) { 5175 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5176 Slog.w(TAG, "Can't install because provider name " + names[j] + 5177 " (in package " + pkg.applicationInfo.packageName + 5178 ") is already used by " 5179 + ((other != null && other.getComponentName() != null) 5180 ? other.getComponentName().getPackageName() : "?")); 5181 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5182 return null; 5183 } 5184 } 5185 } 5186 } 5187 } 5188 5189 if (pkg.mAdoptPermissions != null) { 5190 // This package wants to adopt ownership of permissions from 5191 // another package. 5192 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5193 final String origName = pkg.mAdoptPermissions.get(i); 5194 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5195 if (orig != null) { 5196 if (verifyPackageUpdateLPr(orig, pkg)) { 5197 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5198 + pkg.packageName); 5199 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5200 } 5201 } 5202 } 5203 } 5204 } 5205 5206 final String pkgName = pkg.packageName; 5207 5208 final long scanFileTime = scanFile.lastModified(); 5209 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5210 pkg.applicationInfo.processName = fixProcessName( 5211 pkg.applicationInfo.packageName, 5212 pkg.applicationInfo.processName, 5213 pkg.applicationInfo.uid); 5214 5215 File dataPath; 5216 if (mPlatformPackage == pkg) { 5217 // The system package is special. 5218 dataPath = new File (Environment.getDataDirectory(), "system"); 5219 pkg.applicationInfo.dataDir = dataPath.getPath(); 5220 } else { 5221 // This is a normal package, need to make its data directory. 5222 dataPath = getDataPathForPackage(pkg.packageName, 0); 5223 5224 boolean uidError = false; 5225 5226 if (dataPath.exists()) { 5227 int currentUid = 0; 5228 try { 5229 StructStat stat = Os.stat(dataPath.getPath()); 5230 currentUid = stat.st_uid; 5231 } catch (ErrnoException e) { 5232 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5233 } 5234 5235 // If we have mismatched owners for the data path, we have a problem. 5236 if (currentUid != pkg.applicationInfo.uid) { 5237 boolean recovered = false; 5238 if (currentUid == 0) { 5239 // The directory somehow became owned by root. Wow. 5240 // This is probably because the system was stopped while 5241 // installd was in the middle of messing with its libs 5242 // directory. Ask installd to fix that. 5243 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5244 pkg.applicationInfo.uid); 5245 if (ret >= 0) { 5246 recovered = true; 5247 String msg = "Package " + pkg.packageName 5248 + " unexpectedly changed to uid 0; recovered to " + 5249 + pkg.applicationInfo.uid; 5250 reportSettingsProblem(Log.WARN, msg); 5251 } 5252 } 5253 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5254 || (scanMode&SCAN_BOOTING) != 0)) { 5255 // If this is a system app, we can at least delete its 5256 // current data so the application will still work. 5257 int ret = removeDataDirsLI(pkgName); 5258 if (ret >= 0) { 5259 // TODO: Kill the processes first 5260 // Old data gone! 5261 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5262 ? "System package " : "Third party package "; 5263 String msg = prefix + pkg.packageName 5264 + " has changed from uid: " 5265 + currentUid + " to " 5266 + pkg.applicationInfo.uid + "; old data erased"; 5267 reportSettingsProblem(Log.WARN, msg); 5268 recovered = true; 5269 5270 // And now re-install the app. 5271 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5272 pkg.applicationInfo.seinfo); 5273 if (ret == -1) { 5274 // Ack should not happen! 5275 msg = prefix + pkg.packageName 5276 + " could not have data directory re-created after delete."; 5277 reportSettingsProblem(Log.WARN, msg); 5278 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5279 return null; 5280 } 5281 } 5282 if (!recovered) { 5283 mHasSystemUidErrors = true; 5284 } 5285 } else if (!recovered) { 5286 // If we allow this install to proceed, we will be broken. 5287 // Abort, abort! 5288 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5289 return null; 5290 } 5291 if (!recovered) { 5292 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5293 + pkg.applicationInfo.uid + "/fs_" 5294 + currentUid; 5295 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5296 String msg = "Package " + pkg.packageName 5297 + " has mismatched uid: " 5298 + currentUid + " on disk, " 5299 + pkg.applicationInfo.uid + " in settings"; 5300 // writer 5301 synchronized (mPackages) { 5302 mSettings.mReadMessages.append(msg); 5303 mSettings.mReadMessages.append('\n'); 5304 uidError = true; 5305 if (!pkgSetting.uidError) { 5306 reportSettingsProblem(Log.ERROR, msg); 5307 } 5308 } 5309 } 5310 } 5311 pkg.applicationInfo.dataDir = dataPath.getPath(); 5312 if (mShouldRestoreconData) { 5313 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5314 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5315 pkg.applicationInfo.uid); 5316 } 5317 } else { 5318 if (DEBUG_PACKAGE_SCANNING) { 5319 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5320 Log.v(TAG, "Want this data dir: " + dataPath); 5321 } 5322 //invoke installer to do the actual installation 5323 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5324 pkg.applicationInfo.seinfo); 5325 if (ret < 0) { 5326 // Error from installer 5327 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5328 return null; 5329 } 5330 5331 if (dataPath.exists()) { 5332 pkg.applicationInfo.dataDir = dataPath.getPath(); 5333 } else { 5334 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5335 pkg.applicationInfo.dataDir = null; 5336 } 5337 } 5338 5339 /* 5340 * Set the data dir to the default "/data/data/<package name>/lib" 5341 * if we got here without anyone telling us different (e.g., apps 5342 * stored on SD card have their native libraries stored in the ASEC 5343 * container with the APK). 5344 * 5345 * This happens during an upgrade from a package settings file that 5346 * doesn't have a native library path attribute at all. 5347 */ 5348 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5349 if (pkgSetting.nativeLibraryPathString == null) { 5350 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5351 } else { 5352 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5353 } 5354 } 5355 pkgSetting.uidError = uidError; 5356 } 5357 5358 final String path = scanFile.getPath(); 5359 /* Note: We don't want to unpack the native binaries for 5360 * system applications, unless they have been updated 5361 * (the binaries are already under /system/lib). 5362 * Also, don't unpack libs for apps on the external card 5363 * since they should have their libraries in the ASEC 5364 * container already. 5365 * 5366 * In other words, we're going to unpack the binaries 5367 * only for non-system apps and system app upgrades. 5368 */ 5369 if (pkg.applicationInfo.nativeLibraryDir != null) { 5370 NativeLibraryHelper.Handle handle = null; 5371 try { 5372 handle = NativeLibraryHelper.Handle.create(scanFile); 5373 // Enable gross and lame hacks for apps that are built with old 5374 // SDK tools. We must scan their APKs for renderscript bitcode and 5375 // not launch them if it's present. Don't bother checking on devices 5376 // that don't have 64 bit support. 5377 String[] abiList = Build.SUPPORTED_ABIS; 5378 boolean hasLegacyRenderscriptBitcode = false; 5379 if (abiOverride != null) { 5380 abiList = new String[] { abiOverride }; 5381 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5382 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5383 abiList = Build.SUPPORTED_32_BIT_ABIS; 5384 hasLegacyRenderscriptBitcode = true; 5385 } 5386 5387 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5388 final String dataPathString = dataPath.getCanonicalPath(); 5389 5390 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5391 /* 5392 * Upgrading from a previous version of the OS sometimes 5393 * leaves native libraries in the /data/data/<app>/lib 5394 * directory for system apps even when they shouldn't be. 5395 * Recent changes in the JNI library search path 5396 * necessitates we remove those to match previous behavior. 5397 */ 5398 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5399 Log.i(TAG, "removed obsolete native libraries for system package " 5400 + path); 5401 } 5402 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5403 pkg.applicationInfo.cpuAbi = abiList[0]; 5404 pkgSetting.cpuAbiString = abiList[0]; 5405 } else { 5406 setInternalAppAbi(pkg, pkgSetting); 5407 } 5408 } else { 5409 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5410 /* 5411 * Update native library dir if it starts with 5412 * /data/data 5413 */ 5414 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5415 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5416 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5417 } 5418 5419 try { 5420 int copyRet = copyNativeLibrariesForInternalApp(handle, 5421 nativeLibraryDir, abiList); 5422 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5423 Slog.e(TAG, "Unable to copy native libraries"); 5424 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5425 return null; 5426 } 5427 5428 // We've successfully copied native libraries across, so we make a 5429 // note of what ABI we're using 5430 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5431 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5432 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5433 pkg.applicationInfo.cpuAbi = abiList[0]; 5434 } else { 5435 pkg.applicationInfo.cpuAbi = null; 5436 } 5437 } catch (IOException e) { 5438 Slog.e(TAG, "Unable to copy native libraries", e); 5439 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5440 return null; 5441 } 5442 } else { 5443 // We don't have to copy the shared libraries if we're in the ASEC container 5444 // but we still need to scan the file to figure out what ABI the app needs. 5445 // 5446 // TODO: This duplicates work done in the default container service. It's possible 5447 // to clean this up but we'll need to change the interface between this service 5448 // and IMediaContainerService (but doing so will spread this logic out, rather 5449 // than centralizing it). 5450 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5451 if (abi >= 0) { 5452 pkg.applicationInfo.cpuAbi = abiList[abi]; 5453 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5454 // Note that (non upgraded) system apps will not have any native 5455 // libraries bundled in their APK, but we're guaranteed not to be 5456 // such an app at this point. 5457 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5458 pkg.applicationInfo.cpuAbi = abiList[0]; 5459 } else { 5460 pkg.applicationInfo.cpuAbi = null; 5461 } 5462 } else { 5463 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5464 return null; 5465 } 5466 } 5467 5468 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5469 final int[] userIds = sUserManager.getUserIds(); 5470 synchronized (mInstallLock) { 5471 for (int userId : userIds) { 5472 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5473 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5474 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5475 + ")"); 5476 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5477 return null; 5478 } 5479 } 5480 } 5481 } 5482 5483 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5484 } catch (IOException ioe) { 5485 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5486 } finally { 5487 IoUtils.closeQuietly(handle); 5488 } 5489 } 5490 5491 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5492 // We don't do this here during boot because we can do it all 5493 // at once after scanning all existing packages. 5494 // 5495 // We also do this *before* we perform dexopt on this package, so that 5496 // we can avoid redundant dexopts, and also to make sure we've got the 5497 // code and package path correct. 5498 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5499 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5500 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5501 return null; 5502 } 5503 } 5504 5505 if ((scanMode&SCAN_NO_DEX) == 0) { 5506 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5507 == DEX_OPT_FAILED) { 5508 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5509 removeDataDirsLI(pkg.packageName); 5510 } 5511 5512 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5513 return null; 5514 } 5515 } 5516 5517 if (mFactoryTest && pkg.requestedPermissions.contains( 5518 android.Manifest.permission.FACTORY_TEST)) { 5519 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5520 } 5521 5522 ArrayList<PackageParser.Package> clientLibPkgs = null; 5523 5524 // writer 5525 synchronized (mPackages) { 5526 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5527 // Only system apps can add new shared libraries. 5528 if (pkg.libraryNames != null) { 5529 for (int i=0; i<pkg.libraryNames.size(); i++) { 5530 String name = pkg.libraryNames.get(i); 5531 boolean allowed = false; 5532 if (isUpdatedSystemApp(pkg)) { 5533 // New library entries can only be added through the 5534 // system image. This is important to get rid of a lot 5535 // of nasty edge cases: for example if we allowed a non- 5536 // system update of the app to add a library, then uninstalling 5537 // the update would make the library go away, and assumptions 5538 // we made such as through app install filtering would now 5539 // have allowed apps on the device which aren't compatible 5540 // with it. Better to just have the restriction here, be 5541 // conservative, and create many fewer cases that can negatively 5542 // impact the user experience. 5543 final PackageSetting sysPs = mSettings 5544 .getDisabledSystemPkgLPr(pkg.packageName); 5545 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5546 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5547 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5548 allowed = true; 5549 allowed = true; 5550 break; 5551 } 5552 } 5553 } 5554 } else { 5555 allowed = true; 5556 } 5557 if (allowed) { 5558 if (!mSharedLibraries.containsKey(name)) { 5559 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5560 } else if (!name.equals(pkg.packageName)) { 5561 Slog.w(TAG, "Package " + pkg.packageName + " library " 5562 + name + " already exists; skipping"); 5563 } 5564 } else { 5565 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5566 + name + " that is not declared on system image; skipping"); 5567 } 5568 } 5569 if ((scanMode&SCAN_BOOTING) == 0) { 5570 // If we are not booting, we need to update any applications 5571 // that are clients of our shared library. If we are booting, 5572 // this will all be done once the scan is complete. 5573 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5574 } 5575 } 5576 } 5577 } 5578 5579 // We also need to dexopt any apps that are dependent on this library. Note that 5580 // if these fail, we should abort the install since installing the library will 5581 // result in some apps being broken. 5582 if (clientLibPkgs != null) { 5583 if ((scanMode&SCAN_NO_DEX) == 0) { 5584 for (int i=0; i<clientLibPkgs.size(); i++) { 5585 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5586 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5587 == DEX_OPT_FAILED) { 5588 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5589 removeDataDirsLI(pkg.packageName); 5590 } 5591 5592 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5593 return null; 5594 } 5595 } 5596 } 5597 } 5598 5599 // Request the ActivityManager to kill the process(only for existing packages) 5600 // so that we do not end up in a confused state while the user is still using the older 5601 // version of the application while the new one gets installed. 5602 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5603 // If the package lives in an asec, tell everyone that the container is going 5604 // away so they can clean up any references to its resources (which would prevent 5605 // vold from being able to unmount the asec) 5606 if (isForwardLocked(pkg) || isExternal(pkg)) { 5607 if (DEBUG_INSTALL) { 5608 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5609 } 5610 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5611 final ArrayList<String> pkgList = new ArrayList<String>(1); 5612 pkgList.add(pkg.applicationInfo.packageName); 5613 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5614 } 5615 5616 // Post the request that it be killed now that the going-away broadcast is en route 5617 killApplication(pkg.applicationInfo.packageName, 5618 pkg.applicationInfo.uid, "update pkg"); 5619 } 5620 5621 // Also need to kill any apps that are dependent on the library. 5622 if (clientLibPkgs != null) { 5623 for (int i=0; i<clientLibPkgs.size(); i++) { 5624 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5625 killApplication(clientPkg.applicationInfo.packageName, 5626 clientPkg.applicationInfo.uid, "update lib"); 5627 } 5628 } 5629 5630 // writer 5631 synchronized (mPackages) { 5632 // We don't expect installation to fail beyond this point, 5633 if ((scanMode&SCAN_MONITOR) != 0) { 5634 mAppDirs.put(pkg.codePath, pkg); 5635 } 5636 // Add the new setting to mSettings 5637 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5638 // Add the new setting to mPackages 5639 mPackages.put(pkg.applicationInfo.packageName, pkg); 5640 // Make sure we don't accidentally delete its data. 5641 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5642 while (iter.hasNext()) { 5643 PackageCleanItem item = iter.next(); 5644 if (pkgName.equals(item.packageName)) { 5645 iter.remove(); 5646 } 5647 } 5648 5649 // Take care of first install / last update times. 5650 if (currentTime != 0) { 5651 if (pkgSetting.firstInstallTime == 0) { 5652 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5653 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5654 pkgSetting.lastUpdateTime = currentTime; 5655 } 5656 } else if (pkgSetting.firstInstallTime == 0) { 5657 // We need *something*. Take time time stamp of the file. 5658 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5659 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5660 if (scanFileTime != pkgSetting.timeStamp) { 5661 // A package on the system image has changed; consider this 5662 // to be an update. 5663 pkgSetting.lastUpdateTime = scanFileTime; 5664 } 5665 } 5666 5667 // Add the package's KeySets to the global KeySetManagerService 5668 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5669 try { 5670 // Old KeySetData no longer valid. 5671 ksms.removeAppKeySetData(pkg.packageName); 5672 ksms.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5673 if (pkg.mKeySetMapping != null) { 5674 for (Map.Entry<String, Set<PublicKey>> entry : 5675 pkg.mKeySetMapping.entrySet()) { 5676 if (entry.getValue() != null) { 5677 ksms.addDefinedKeySetToPackage(pkg.packageName, 5678 entry.getValue(), entry.getKey()); 5679 } 5680 } 5681 if (pkg.mUpgradeKeySets != null 5682 && pkg.mKeySetMapping.keySet().containsAll(pkg.mUpgradeKeySets)) { 5683 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5684 ksms.addUpgradeKeySetToPackage(pkg.packageName, upgradeAlias); 5685 } 5686 } 5687 } 5688 } catch (NullPointerException e) { 5689 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5690 } catch (IllegalArgumentException e) { 5691 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5692 } 5693 5694 int N = pkg.providers.size(); 5695 StringBuilder r = null; 5696 int i; 5697 for (i=0; i<N; i++) { 5698 PackageParser.Provider p = pkg.providers.get(i); 5699 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5700 p.info.processName, pkg.applicationInfo.uid); 5701 mProviders.addProvider(p); 5702 p.syncable = p.info.isSyncable; 5703 if (p.info.authority != null) { 5704 String names[] = p.info.authority.split(";"); 5705 p.info.authority = null; 5706 for (int j = 0; j < names.length; j++) { 5707 if (j == 1 && p.syncable) { 5708 // We only want the first authority for a provider to possibly be 5709 // syncable, so if we already added this provider using a different 5710 // authority clear the syncable flag. We copy the provider before 5711 // changing it because the mProviders object contains a reference 5712 // to a provider that we don't want to change. 5713 // Only do this for the second authority since the resulting provider 5714 // object can be the same for all future authorities for this provider. 5715 p = new PackageParser.Provider(p); 5716 p.syncable = false; 5717 } 5718 if (!mProvidersByAuthority.containsKey(names[j])) { 5719 mProvidersByAuthority.put(names[j], p); 5720 if (p.info.authority == null) { 5721 p.info.authority = names[j]; 5722 } else { 5723 p.info.authority = p.info.authority + ";" + names[j]; 5724 } 5725 if (DEBUG_PACKAGE_SCANNING) { 5726 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5727 Log.d(TAG, "Registered content provider: " + names[j] 5728 + ", className = " + p.info.name + ", isSyncable = " 5729 + p.info.isSyncable); 5730 } 5731 } else { 5732 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5733 Slog.w(TAG, "Skipping provider name " + names[j] + 5734 " (in package " + pkg.applicationInfo.packageName + 5735 "): name already used by " 5736 + ((other != null && other.getComponentName() != null) 5737 ? other.getComponentName().getPackageName() : "?")); 5738 } 5739 } 5740 } 5741 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5742 if (r == null) { 5743 r = new StringBuilder(256); 5744 } else { 5745 r.append(' '); 5746 } 5747 r.append(p.info.name); 5748 } 5749 } 5750 if (r != null) { 5751 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5752 } 5753 5754 N = pkg.services.size(); 5755 r = null; 5756 for (i=0; i<N; i++) { 5757 PackageParser.Service s = pkg.services.get(i); 5758 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5759 s.info.processName, pkg.applicationInfo.uid); 5760 mServices.addService(s); 5761 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5762 if (r == null) { 5763 r = new StringBuilder(256); 5764 } else { 5765 r.append(' '); 5766 } 5767 r.append(s.info.name); 5768 } 5769 } 5770 if (r != null) { 5771 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5772 } 5773 5774 N = pkg.receivers.size(); 5775 r = null; 5776 for (i=0; i<N; i++) { 5777 PackageParser.Activity a = pkg.receivers.get(i); 5778 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5779 a.info.processName, pkg.applicationInfo.uid); 5780 mReceivers.addActivity(a, "receiver"); 5781 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5782 if (r == null) { 5783 r = new StringBuilder(256); 5784 } else { 5785 r.append(' '); 5786 } 5787 r.append(a.info.name); 5788 } 5789 } 5790 if (r != null) { 5791 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5792 } 5793 5794 N = pkg.activities.size(); 5795 r = null; 5796 for (i=0; i<N; i++) { 5797 PackageParser.Activity a = pkg.activities.get(i); 5798 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5799 a.info.processName, pkg.applicationInfo.uid); 5800 mActivities.addActivity(a, "activity"); 5801 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5802 if (r == null) { 5803 r = new StringBuilder(256); 5804 } else { 5805 r.append(' '); 5806 } 5807 r.append(a.info.name); 5808 } 5809 } 5810 if (r != null) { 5811 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5812 } 5813 5814 N = pkg.permissionGroups.size(); 5815 r = null; 5816 for (i=0; i<N; i++) { 5817 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5818 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5819 if (cur == null) { 5820 mPermissionGroups.put(pg.info.name, pg); 5821 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5822 if (r == null) { 5823 r = new StringBuilder(256); 5824 } else { 5825 r.append(' '); 5826 } 5827 r.append(pg.info.name); 5828 } 5829 } else { 5830 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5831 + pg.info.packageName + " ignored: original from " 5832 + cur.info.packageName); 5833 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5834 if (r == null) { 5835 r = new StringBuilder(256); 5836 } else { 5837 r.append(' '); 5838 } 5839 r.append("DUP:"); 5840 r.append(pg.info.name); 5841 } 5842 } 5843 } 5844 if (r != null) { 5845 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5846 } 5847 5848 N = pkg.permissions.size(); 5849 r = null; 5850 for (i=0; i<N; i++) { 5851 PackageParser.Permission p = pkg.permissions.get(i); 5852 HashMap<String, BasePermission> permissionMap = 5853 p.tree ? mSettings.mPermissionTrees 5854 : mSettings.mPermissions; 5855 p.group = mPermissionGroups.get(p.info.group); 5856 if (p.info.group == null || p.group != null) { 5857 BasePermission bp = permissionMap.get(p.info.name); 5858 if (bp == null) { 5859 bp = new BasePermission(p.info.name, p.info.packageName, 5860 BasePermission.TYPE_NORMAL); 5861 permissionMap.put(p.info.name, bp); 5862 } 5863 if (bp.perm == null) { 5864 if (bp.sourcePackage != null 5865 && !bp.sourcePackage.equals(p.info.packageName)) { 5866 // If this is a permission that was formerly defined by a non-system 5867 // app, but is now defined by a system app (following an upgrade), 5868 // discard the previous declaration and consider the system's to be 5869 // canonical. 5870 if (isSystemApp(p.owner)) { 5871 String msg = "New decl " + p.owner + " of permission " 5872 + p.info.name + " is system"; 5873 reportSettingsProblem(Log.WARN, msg); 5874 bp.sourcePackage = null; 5875 } 5876 } 5877 if (bp.sourcePackage == null 5878 || bp.sourcePackage.equals(p.info.packageName)) { 5879 BasePermission tree = findPermissionTreeLP(p.info.name); 5880 if (tree == null 5881 || tree.sourcePackage.equals(p.info.packageName)) { 5882 bp.packageSetting = pkgSetting; 5883 bp.perm = p; 5884 bp.uid = pkg.applicationInfo.uid; 5885 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5886 if (r == null) { 5887 r = new StringBuilder(256); 5888 } else { 5889 r.append(' '); 5890 } 5891 r.append(p.info.name); 5892 } 5893 } else { 5894 Slog.w(TAG, "Permission " + p.info.name + " from package " 5895 + p.info.packageName + " ignored: base tree " 5896 + tree.name + " is from package " 5897 + tree.sourcePackage); 5898 } 5899 } else { 5900 Slog.w(TAG, "Permission " + p.info.name + " from package " 5901 + p.info.packageName + " ignored: original from " 5902 + bp.sourcePackage); 5903 } 5904 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5905 if (r == null) { 5906 r = new StringBuilder(256); 5907 } else { 5908 r.append(' '); 5909 } 5910 r.append("DUP:"); 5911 r.append(p.info.name); 5912 } 5913 if (bp.perm == p) { 5914 bp.protectionLevel = p.info.protectionLevel; 5915 } 5916 } else { 5917 Slog.w(TAG, "Permission " + p.info.name + " from package " 5918 + p.info.packageName + " ignored: no group " 5919 + p.group); 5920 } 5921 } 5922 if (r != null) { 5923 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5924 } 5925 5926 N = pkg.instrumentation.size(); 5927 r = null; 5928 for (i=0; i<N; i++) { 5929 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5930 a.info.packageName = pkg.applicationInfo.packageName; 5931 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5932 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5933 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5934 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5935 a.info.dataDir = pkg.applicationInfo.dataDir; 5936 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5937 mInstrumentation.put(a.getComponentName(), a); 5938 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5939 if (r == null) { 5940 r = new StringBuilder(256); 5941 } else { 5942 r.append(' '); 5943 } 5944 r.append(a.info.name); 5945 } 5946 } 5947 if (r != null) { 5948 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5949 } 5950 5951 if (pkg.protectedBroadcasts != null) { 5952 N = pkg.protectedBroadcasts.size(); 5953 for (i=0; i<N; i++) { 5954 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5955 } 5956 } 5957 5958 pkgSetting.setTimeStamp(scanFileTime); 5959 5960 // Create idmap files for pairs of (packages, overlay packages). 5961 // Note: "android", ie framework-res.apk, is handled by native layers. 5962 if (pkg.mOverlayTarget != null) { 5963 // This is an overlay package. 5964 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5965 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5966 mOverlays.put(pkg.mOverlayTarget, 5967 new HashMap<String, PackageParser.Package>()); 5968 } 5969 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5970 map.put(pkg.packageName, pkg); 5971 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5972 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5973 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5974 return null; 5975 } 5976 } 5977 } else if (mOverlays.containsKey(pkg.packageName) && 5978 !pkg.packageName.equals("android")) { 5979 // This is a regular package, with one or more known overlay packages. 5980 createIdmapsForPackageLI(pkg); 5981 } 5982 } 5983 5984 return pkg; 5985 } 5986 5987 /** 5988 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5989 * i.e, so that all packages can be run inside a single process if required. 5990 * 5991 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5992 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5993 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5994 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5995 * updating a package that belongs to a shared user. 5996 */ 5997 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5998 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5999 String requiredInstructionSet = null; 6000 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 6001 requiredInstructionSet = VMRuntime.getInstructionSet( 6002 scannedPackage.applicationInfo.cpuAbi); 6003 } 6004 6005 PackageSetting requirer = null; 6006 for (PackageSetting ps : packagesForUser) { 6007 // If packagesForUser contains scannedPackage, we skip it. This will happen 6008 // when scannedPackage is an update of an existing package. Without this check, 6009 // we will never be able to change the ABI of any package belonging to a shared 6010 // user, even if it's compatible with other packages. 6011 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 6012 if (ps.cpuAbiString == null) { 6013 continue; 6014 } 6015 6016 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 6017 if (requiredInstructionSet != null) { 6018 if (!instructionSet.equals(requiredInstructionSet)) { 6019 // We have a mismatch between instruction sets (say arm vs arm64). 6020 // bail out. 6021 String errorMessage = "Instruction set mismatch, " 6022 + ((requirer == null) ? "[caller]" : requirer) 6023 + " requires " + requiredInstructionSet + " whereas " + ps 6024 + " requires " + instructionSet; 6025 Slog.e(TAG, errorMessage); 6026 6027 reportSettingsProblem(Log.WARN, errorMessage); 6028 // Give up, don't bother making any other changes to the package settings. 6029 return false; 6030 } 6031 } else { 6032 requiredInstructionSet = instructionSet; 6033 requirer = ps; 6034 } 6035 } 6036 } 6037 6038 if (requiredInstructionSet != null) { 6039 String adjustedAbi; 6040 if (requirer != null) { 6041 // requirer != null implies that either scannedPackage was null or that scannedPackage 6042 // did not require an ABI, in which case we have to adjust scannedPackage to match 6043 // the ABI of the set (which is the same as requirer's ABI) 6044 adjustedAbi = requirer.cpuAbiString; 6045 if (scannedPackage != null) { 6046 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6047 } 6048 } else { 6049 // requirer == null implies that we're updating all ABIs in the set to 6050 // match scannedPackage. 6051 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6052 } 6053 6054 for (PackageSetting ps : packagesForUser) { 6055 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6056 if (ps.cpuAbiString != null) { 6057 continue; 6058 } 6059 6060 ps.cpuAbiString = adjustedAbi; 6061 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6062 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6063 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6064 6065 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6066 ps.cpuAbiString = null; 6067 ps.pkg.applicationInfo.cpuAbi = null; 6068 return false; 6069 } else { 6070 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6071 } 6072 } 6073 } 6074 } 6075 } 6076 6077 return true; 6078 } 6079 6080 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6081 synchronized (mPackages) { 6082 mResolverReplaced = true; 6083 // Set up information for custom user intent resolution activity. 6084 mResolveActivity.applicationInfo = pkg.applicationInfo; 6085 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6086 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6087 mResolveActivity.processName = null; 6088 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6089 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6090 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6091 mResolveActivity.theme = 0; 6092 mResolveActivity.exported = true; 6093 mResolveActivity.enabled = true; 6094 mResolveInfo.activityInfo = mResolveActivity; 6095 mResolveInfo.priority = 0; 6096 mResolveInfo.preferredOrder = 0; 6097 mResolveInfo.match = 0; 6098 mResolveComponentName = mCustomResolverComponentName; 6099 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6100 mResolveComponentName); 6101 } 6102 } 6103 6104 private String calculateApkRoot(final String codePathString) { 6105 final File codePath = new File(codePathString); 6106 final File codeRoot; 6107 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6108 codeRoot = Environment.getRootDirectory(); 6109 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6110 codeRoot = Environment.getOemDirectory(); 6111 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6112 codeRoot = Environment.getVendorDirectory(); 6113 } else { 6114 // Unrecognized code path; take its top real segment as the apk root: 6115 // e.g. /something/app/blah.apk => /something 6116 try { 6117 File f = codePath.getCanonicalFile(); 6118 File parent = f.getParentFile(); // non-null because codePath is a file 6119 File tmp; 6120 while ((tmp = parent.getParentFile()) != null) { 6121 f = parent; 6122 parent = tmp; 6123 } 6124 codeRoot = f; 6125 Slog.w(TAG, "Unrecognized code path " 6126 + codePath + " - using " + codeRoot); 6127 } catch (IOException e) { 6128 // Can't canonicalize the lib path -- shenanigans? 6129 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6130 return Environment.getRootDirectory().getPath(); 6131 } 6132 } 6133 return codeRoot.getPath(); 6134 } 6135 6136 // This is the initial scan-time determination of how to handle a given 6137 // package for purposes of native library location. 6138 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6139 PackageSetting pkgSetting) { 6140 // "bundled" here means system-installed with no overriding update 6141 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6142 final File codeFile = new File(pkg.applicationInfo.getCodePath()); 6143 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6144 6145 String nativeLibraryPath = null; 6146 if (bundledApk) { 6147 // If "/system/lib64/apkname" exists, assume that is the per-package 6148 // native library directory to use; otherwise use "/system/lib/apkname". 6149 String apkRoot = calculateApkRoot(pkg.applicationInfo.getCodePath()); 6150 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6151 File packLib64 = new File(lib64, apkName); 6152 File libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6153 nativeLibraryPath = (new File(libDir, apkName)).getAbsolutePath(); 6154 } else { 6155 // Upgraded system app; derive its library path by inspecting. 6156 // TODO: pipe through abiOverride 6157 String[] abiList = Build.SUPPORTED_ABIS; 6158 NativeLibraryHelper.Handle handle = null; 6159 try { 6160 handle = NativeLibraryHelper.Handle.create(codeFile); 6161 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 6162 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 6163 abiList = Build.SUPPORTED_32_BIT_ABIS; 6164 } 6165 6166 final int abiIndex = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6167 if (abiIndex >= 0) { 6168 final File baseLibFile = new File(codeFile, LIB_DIR_NAME); 6169 final String abi = Build.SUPPORTED_ABIS[abiIndex]; 6170 final String instructionSet = VMRuntime.getInstructionSet(abi); 6171 nativeLibraryPath = new File(baseLibFile, instructionSet).getAbsolutePath(); 6172 } 6173 } catch (IOException e) { 6174 Slog.e(TAG, "Failed to detect native libraries", e); 6175 } finally { 6176 IoUtils.closeQuietly(handle); 6177 } 6178 } 6179 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6180 // pkgSetting might be null during rescan following uninstall of updates 6181 // to a bundled app, so accommodate that possibility. The settings in 6182 // that case will be established later from the parsed package. 6183 if (pkgSetting != null) { 6184 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6185 } 6186 } 6187 6188 // Deduces the required ABI of an upgraded system app. 6189 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6190 final String apkRoot = calculateApkRoot(pkg.applicationInfo.getCodePath()); 6191 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6192 6193 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6194 // or similar. 6195 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6196 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6197 6198 // Assume that the bundled native libraries always correspond to the 6199 // most preferred 32 or 64 bit ABI. 6200 if (lib64.exists()) { 6201 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6202 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6203 } else if (lib.exists()) { 6204 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6205 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6206 } else { 6207 // This is the case where the app has no native code. 6208 pkg.applicationInfo.cpuAbi = null; 6209 pkgSetting.cpuAbiString = null; 6210 } 6211 } 6212 6213 private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle, 6214 final File nativeLibraryDir, String[] abiList) throws IOException { 6215 if (!nativeLibraryDir.isDirectory()) { 6216 nativeLibraryDir.delete(); 6217 6218 if (!nativeLibraryDir.mkdir()) { 6219 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6220 } 6221 6222 try { 6223 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6224 } catch (ErrnoException e) { 6225 throw new IOException("Cannot chmod native library directory " 6226 + nativeLibraryDir.getPath(), e); 6227 } 6228 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6229 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6230 } 6231 6232 /* 6233 * If this is an internal application or our nativeLibraryPath points to 6234 * the app-lib directory, unpack the libraries if necessary. 6235 */ 6236 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6237 if (abi >= 0) { 6238 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6239 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6240 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6241 return copyRet; 6242 } 6243 } 6244 6245 return abi; 6246 } 6247 6248 private void killApplication(String pkgName, int appId, String reason) { 6249 // Request the ActivityManager to kill the process(only for existing packages) 6250 // so that we do not end up in a confused state while the user is still using the older 6251 // version of the application while the new one gets installed. 6252 IActivityManager am = ActivityManagerNative.getDefault(); 6253 if (am != null) { 6254 try { 6255 am.killApplicationWithAppId(pkgName, appId, reason); 6256 } catch (RemoteException e) { 6257 } 6258 } 6259 } 6260 6261 void removePackageLI(PackageSetting ps, boolean chatty) { 6262 if (DEBUG_INSTALL) { 6263 if (chatty) 6264 Log.d(TAG, "Removing package " + ps.name); 6265 } 6266 6267 // writer 6268 synchronized (mPackages) { 6269 mPackages.remove(ps.name); 6270 if (ps.codePathString != null) { 6271 mAppDirs.remove(ps.codePathString); 6272 } 6273 6274 final PackageParser.Package pkg = ps.pkg; 6275 if (pkg != null) { 6276 cleanPackageDataStructuresLILPw(pkg, chatty); 6277 } 6278 } 6279 } 6280 6281 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6282 if (DEBUG_INSTALL) { 6283 if (chatty) 6284 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6285 } 6286 6287 // writer 6288 synchronized (mPackages) { 6289 mPackages.remove(pkg.applicationInfo.packageName); 6290 if (pkg.codePath != null) { 6291 mAppDirs.remove(pkg.codePath); 6292 } 6293 cleanPackageDataStructuresLILPw(pkg, chatty); 6294 } 6295 } 6296 6297 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6298 int N = pkg.providers.size(); 6299 StringBuilder r = null; 6300 int i; 6301 for (i=0; i<N; i++) { 6302 PackageParser.Provider p = pkg.providers.get(i); 6303 mProviders.removeProvider(p); 6304 if (p.info.authority == null) { 6305 6306 /* There was another ContentProvider with this authority when 6307 * this app was installed so this authority is null, 6308 * Ignore it as we don't have to unregister the provider. 6309 */ 6310 continue; 6311 } 6312 String names[] = p.info.authority.split(";"); 6313 for (int j = 0; j < names.length; j++) { 6314 if (mProvidersByAuthority.get(names[j]) == p) { 6315 mProvidersByAuthority.remove(names[j]); 6316 if (DEBUG_REMOVE) { 6317 if (chatty) 6318 Log.d(TAG, "Unregistered content provider: " + names[j] 6319 + ", className = " + p.info.name + ", isSyncable = " 6320 + p.info.isSyncable); 6321 } 6322 } 6323 } 6324 if (DEBUG_REMOVE && chatty) { 6325 if (r == null) { 6326 r = new StringBuilder(256); 6327 } else { 6328 r.append(' '); 6329 } 6330 r.append(p.info.name); 6331 } 6332 } 6333 if (r != null) { 6334 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6335 } 6336 6337 N = pkg.services.size(); 6338 r = null; 6339 for (i=0; i<N; i++) { 6340 PackageParser.Service s = pkg.services.get(i); 6341 mServices.removeService(s); 6342 if (chatty) { 6343 if (r == null) { 6344 r = new StringBuilder(256); 6345 } else { 6346 r.append(' '); 6347 } 6348 r.append(s.info.name); 6349 } 6350 } 6351 if (r != null) { 6352 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6353 } 6354 6355 N = pkg.receivers.size(); 6356 r = null; 6357 for (i=0; i<N; i++) { 6358 PackageParser.Activity a = pkg.receivers.get(i); 6359 mReceivers.removeActivity(a, "receiver"); 6360 if (DEBUG_REMOVE && chatty) { 6361 if (r == null) { 6362 r = new StringBuilder(256); 6363 } else { 6364 r.append(' '); 6365 } 6366 r.append(a.info.name); 6367 } 6368 } 6369 if (r != null) { 6370 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6371 } 6372 6373 N = pkg.activities.size(); 6374 r = null; 6375 for (i=0; i<N; i++) { 6376 PackageParser.Activity a = pkg.activities.get(i); 6377 mActivities.removeActivity(a, "activity"); 6378 if (DEBUG_REMOVE && chatty) { 6379 if (r == null) { 6380 r = new StringBuilder(256); 6381 } else { 6382 r.append(' '); 6383 } 6384 r.append(a.info.name); 6385 } 6386 } 6387 if (r != null) { 6388 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6389 } 6390 6391 N = pkg.permissions.size(); 6392 r = null; 6393 for (i=0; i<N; i++) { 6394 PackageParser.Permission p = pkg.permissions.get(i); 6395 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6396 if (bp == null) { 6397 bp = mSettings.mPermissionTrees.get(p.info.name); 6398 } 6399 if (bp != null && bp.perm == p) { 6400 bp.perm = null; 6401 if (DEBUG_REMOVE && chatty) { 6402 if (r == null) { 6403 r = new StringBuilder(256); 6404 } else { 6405 r.append(' '); 6406 } 6407 r.append(p.info.name); 6408 } 6409 } 6410 } 6411 if (r != null) { 6412 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6413 } 6414 6415 N = pkg.instrumentation.size(); 6416 r = null; 6417 for (i=0; i<N; i++) { 6418 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6419 mInstrumentation.remove(a.getComponentName()); 6420 if (DEBUG_REMOVE && chatty) { 6421 if (r == null) { 6422 r = new StringBuilder(256); 6423 } else { 6424 r.append(' '); 6425 } 6426 r.append(a.info.name); 6427 } 6428 } 6429 if (r != null) { 6430 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6431 } 6432 6433 r = null; 6434 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6435 // Only system apps can hold shared libraries. 6436 if (pkg.libraryNames != null) { 6437 for (i=0; i<pkg.libraryNames.size(); i++) { 6438 String name = pkg.libraryNames.get(i); 6439 SharedLibraryEntry cur = mSharedLibraries.get(name); 6440 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6441 mSharedLibraries.remove(name); 6442 if (DEBUG_REMOVE && chatty) { 6443 if (r == null) { 6444 r = new StringBuilder(256); 6445 } else { 6446 r.append(' '); 6447 } 6448 r.append(name); 6449 } 6450 } 6451 } 6452 } 6453 } 6454 if (r != null) { 6455 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6456 } 6457 } 6458 6459 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6460 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6461 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6462 return true; 6463 } 6464 } 6465 return false; 6466 } 6467 6468 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6469 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6470 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6471 6472 private void updatePermissionsLPw(String changingPkg, 6473 PackageParser.Package pkgInfo, int flags) { 6474 // Make sure there are no dangling permission trees. 6475 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6476 while (it.hasNext()) { 6477 final BasePermission bp = it.next(); 6478 if (bp.packageSetting == null) { 6479 // We may not yet have parsed the package, so just see if 6480 // we still know about its settings. 6481 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6482 } 6483 if (bp.packageSetting == null) { 6484 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6485 + " from package " + bp.sourcePackage); 6486 it.remove(); 6487 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6488 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6489 Slog.i(TAG, "Removing old permission tree: " + bp.name 6490 + " from package " + bp.sourcePackage); 6491 flags |= UPDATE_PERMISSIONS_ALL; 6492 it.remove(); 6493 } 6494 } 6495 } 6496 6497 // Make sure all dynamic permissions have been assigned to a package, 6498 // and make sure there are no dangling permissions. 6499 it = mSettings.mPermissions.values().iterator(); 6500 while (it.hasNext()) { 6501 final BasePermission bp = it.next(); 6502 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6503 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6504 + bp.name + " pkg=" + bp.sourcePackage 6505 + " info=" + bp.pendingInfo); 6506 if (bp.packageSetting == null && bp.pendingInfo != null) { 6507 final BasePermission tree = findPermissionTreeLP(bp.name); 6508 if (tree != null && tree.perm != null) { 6509 bp.packageSetting = tree.packageSetting; 6510 bp.perm = new PackageParser.Permission(tree.perm.owner, 6511 new PermissionInfo(bp.pendingInfo)); 6512 bp.perm.info.packageName = tree.perm.info.packageName; 6513 bp.perm.info.name = bp.name; 6514 bp.uid = tree.uid; 6515 } 6516 } 6517 } 6518 if (bp.packageSetting == null) { 6519 // We may not yet have parsed the package, so just see if 6520 // we still know about its settings. 6521 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6522 } 6523 if (bp.packageSetting == null) { 6524 Slog.w(TAG, "Removing dangling permission: " + bp.name 6525 + " from package " + bp.sourcePackage); 6526 it.remove(); 6527 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6528 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6529 Slog.i(TAG, "Removing old permission: " + bp.name 6530 + " from package " + bp.sourcePackage); 6531 flags |= UPDATE_PERMISSIONS_ALL; 6532 it.remove(); 6533 } 6534 } 6535 } 6536 6537 // Now update the permissions for all packages, in particular 6538 // replace the granted permissions of the system packages. 6539 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6540 for (PackageParser.Package pkg : mPackages.values()) { 6541 if (pkg != pkgInfo) { 6542 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6543 } 6544 } 6545 } 6546 6547 if (pkgInfo != null) { 6548 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6549 } 6550 } 6551 6552 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6553 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6554 if (ps == null) { 6555 return; 6556 } 6557 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6558 HashSet<String> origPermissions = gp.grantedPermissions; 6559 boolean changedPermission = false; 6560 6561 if (replace) { 6562 ps.permissionsFixed = false; 6563 if (gp == ps) { 6564 origPermissions = new HashSet<String>(gp.grantedPermissions); 6565 gp.grantedPermissions.clear(); 6566 gp.gids = mGlobalGids; 6567 } 6568 } 6569 6570 if (gp.gids == null) { 6571 gp.gids = mGlobalGids; 6572 } 6573 6574 final int N = pkg.requestedPermissions.size(); 6575 for (int i=0; i<N; i++) { 6576 final String name = pkg.requestedPermissions.get(i); 6577 final boolean required = pkg.requestedPermissionsRequired.get(i); 6578 final BasePermission bp = mSettings.mPermissions.get(name); 6579 if (DEBUG_INSTALL) { 6580 if (gp != ps) { 6581 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6582 } 6583 } 6584 6585 if (bp == null || bp.packageSetting == null) { 6586 Slog.w(TAG, "Unknown permission " + name 6587 + " in package " + pkg.packageName); 6588 continue; 6589 } 6590 6591 final String perm = bp.name; 6592 boolean allowed; 6593 boolean allowedSig = false; 6594 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6595 if (level == PermissionInfo.PROTECTION_NORMAL 6596 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6597 // We grant a normal or dangerous permission if any of the following 6598 // are true: 6599 // 1) The permission is required 6600 // 2) The permission is optional, but was granted in the past 6601 // 3) The permission is optional, but was requested by an 6602 // app in /system (not /data) 6603 // 6604 // Otherwise, reject the permission. 6605 allowed = (required || origPermissions.contains(perm) 6606 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6607 } else if (bp.packageSetting == null) { 6608 // This permission is invalid; skip it. 6609 allowed = false; 6610 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6611 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6612 if (allowed) { 6613 allowedSig = true; 6614 } 6615 } else { 6616 allowed = false; 6617 } 6618 if (DEBUG_INSTALL) { 6619 if (gp != ps) { 6620 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6621 } 6622 } 6623 if (allowed) { 6624 if (!isSystemApp(ps) && ps.permissionsFixed) { 6625 // If this is an existing, non-system package, then 6626 // we can't add any new permissions to it. 6627 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6628 // Except... if this is a permission that was added 6629 // to the platform (note: need to only do this when 6630 // updating the platform). 6631 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6632 } 6633 } 6634 if (allowed) { 6635 if (!gp.grantedPermissions.contains(perm)) { 6636 changedPermission = true; 6637 gp.grantedPermissions.add(perm); 6638 gp.gids = appendInts(gp.gids, bp.gids); 6639 } else if (!ps.haveGids) { 6640 gp.gids = appendInts(gp.gids, bp.gids); 6641 } 6642 } else { 6643 Slog.w(TAG, "Not granting permission " + perm 6644 + " to package " + pkg.packageName 6645 + " because it was previously installed without"); 6646 } 6647 } else { 6648 if (gp.grantedPermissions.remove(perm)) { 6649 changedPermission = true; 6650 gp.gids = removeInts(gp.gids, bp.gids); 6651 Slog.i(TAG, "Un-granting permission " + perm 6652 + " from package " + pkg.packageName 6653 + " (protectionLevel=" + bp.protectionLevel 6654 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6655 + ")"); 6656 } else { 6657 Slog.w(TAG, "Not granting permission " + perm 6658 + " to package " + pkg.packageName 6659 + " (protectionLevel=" + bp.protectionLevel 6660 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6661 + ")"); 6662 } 6663 } 6664 } 6665 6666 if ((changedPermission || replace) && !ps.permissionsFixed && 6667 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6668 // This is the first that we have heard about this package, so the 6669 // permissions we have now selected are fixed until explicitly 6670 // changed. 6671 ps.permissionsFixed = true; 6672 } 6673 ps.haveGids = true; 6674 } 6675 6676 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6677 boolean allowed = false; 6678 final int NP = PackageParser.NEW_PERMISSIONS.length; 6679 for (int ip=0; ip<NP; ip++) { 6680 final PackageParser.NewPermissionInfo npi 6681 = PackageParser.NEW_PERMISSIONS[ip]; 6682 if (npi.name.equals(perm) 6683 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6684 allowed = true; 6685 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6686 + pkg.packageName); 6687 break; 6688 } 6689 } 6690 return allowed; 6691 } 6692 6693 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6694 BasePermission bp, HashSet<String> origPermissions) { 6695 boolean allowed; 6696 allowed = (compareSignatures( 6697 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6698 == PackageManager.SIGNATURE_MATCH) 6699 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6700 == PackageManager.SIGNATURE_MATCH); 6701 if (!allowed && (bp.protectionLevel 6702 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6703 if (isSystemApp(pkg)) { 6704 // For updated system applications, a system permission 6705 // is granted only if it had been defined by the original application. 6706 if (isUpdatedSystemApp(pkg)) { 6707 final PackageSetting sysPs = mSettings 6708 .getDisabledSystemPkgLPr(pkg.packageName); 6709 final GrantedPermissions origGp = sysPs.sharedUser != null 6710 ? sysPs.sharedUser : sysPs; 6711 6712 if (origGp.grantedPermissions.contains(perm)) { 6713 // If the original was granted this permission, we take 6714 // that grant decision as read and propagate it to the 6715 // update. 6716 allowed = true; 6717 } else { 6718 // The system apk may have been updated with an older 6719 // version of the one on the data partition, but which 6720 // granted a new system permission that it didn't have 6721 // before. In this case we do want to allow the app to 6722 // now get the new permission if the ancestral apk is 6723 // privileged to get it. 6724 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6725 for (int j=0; 6726 j<sysPs.pkg.requestedPermissions.size(); j++) { 6727 if (perm.equals( 6728 sysPs.pkg.requestedPermissions.get(j))) { 6729 allowed = true; 6730 break; 6731 } 6732 } 6733 } 6734 } 6735 } else { 6736 allowed = isPrivilegedApp(pkg); 6737 } 6738 } 6739 } 6740 if (!allowed && (bp.protectionLevel 6741 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6742 // For development permissions, a development permission 6743 // is granted only if it was already granted. 6744 allowed = origPermissions.contains(perm); 6745 } 6746 return allowed; 6747 } 6748 6749 final class ActivityIntentResolver 6750 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6751 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6752 boolean defaultOnly, int userId) { 6753 if (!sUserManager.exists(userId)) return null; 6754 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6755 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6756 } 6757 6758 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6759 int userId) { 6760 if (!sUserManager.exists(userId)) return null; 6761 mFlags = flags; 6762 return super.queryIntent(intent, resolvedType, 6763 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6764 } 6765 6766 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6767 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6768 if (!sUserManager.exists(userId)) return null; 6769 if (packageActivities == null) { 6770 return null; 6771 } 6772 mFlags = flags; 6773 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6774 final int N = packageActivities.size(); 6775 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6776 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6777 6778 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6779 for (int i = 0; i < N; ++i) { 6780 intentFilters = packageActivities.get(i).intents; 6781 if (intentFilters != null && intentFilters.size() > 0) { 6782 PackageParser.ActivityIntentInfo[] array = 6783 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6784 intentFilters.toArray(array); 6785 listCut.add(array); 6786 } 6787 } 6788 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6789 } 6790 6791 public final void addActivity(PackageParser.Activity a, String type) { 6792 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6793 mActivities.put(a.getComponentName(), a); 6794 if (DEBUG_SHOW_INFO) 6795 Log.v( 6796 TAG, " " + type + " " + 6797 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6798 if (DEBUG_SHOW_INFO) 6799 Log.v(TAG, " Class=" + a.info.name); 6800 final int NI = a.intents.size(); 6801 for (int j=0; j<NI; j++) { 6802 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6803 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6804 intent.setPriority(0); 6805 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6806 + a.className + " with priority > 0, forcing to 0"); 6807 } 6808 if (DEBUG_SHOW_INFO) { 6809 Log.v(TAG, " IntentFilter:"); 6810 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6811 } 6812 if (!intent.debugCheck()) { 6813 Log.w(TAG, "==> For Activity " + a.info.name); 6814 } 6815 addFilter(intent); 6816 } 6817 } 6818 6819 public final void removeActivity(PackageParser.Activity a, String type) { 6820 mActivities.remove(a.getComponentName()); 6821 if (DEBUG_SHOW_INFO) { 6822 Log.v(TAG, " " + type + " " 6823 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6824 : a.info.name) + ":"); 6825 Log.v(TAG, " Class=" + a.info.name); 6826 } 6827 final int NI = a.intents.size(); 6828 for (int j=0; j<NI; j++) { 6829 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6830 if (DEBUG_SHOW_INFO) { 6831 Log.v(TAG, " IntentFilter:"); 6832 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6833 } 6834 removeFilter(intent); 6835 } 6836 } 6837 6838 @Override 6839 protected boolean allowFilterResult( 6840 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6841 ActivityInfo filterAi = filter.activity.info; 6842 for (int i=dest.size()-1; i>=0; i--) { 6843 ActivityInfo destAi = dest.get(i).activityInfo; 6844 if (destAi.name == filterAi.name 6845 && destAi.packageName == filterAi.packageName) { 6846 return false; 6847 } 6848 } 6849 return true; 6850 } 6851 6852 @Override 6853 protected ActivityIntentInfo[] newArray(int size) { 6854 return new ActivityIntentInfo[size]; 6855 } 6856 6857 @Override 6858 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6859 if (!sUserManager.exists(userId)) return true; 6860 PackageParser.Package p = filter.activity.owner; 6861 if (p != null) { 6862 PackageSetting ps = (PackageSetting)p.mExtras; 6863 if (ps != null) { 6864 // System apps are never considered stopped for purposes of 6865 // filtering, because there may be no way for the user to 6866 // actually re-launch them. 6867 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6868 && ps.getStopped(userId); 6869 } 6870 } 6871 return false; 6872 } 6873 6874 @Override 6875 protected boolean isPackageForFilter(String packageName, 6876 PackageParser.ActivityIntentInfo info) { 6877 return packageName.equals(info.activity.owner.packageName); 6878 } 6879 6880 @Override 6881 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6882 int match, int userId) { 6883 if (!sUserManager.exists(userId)) return null; 6884 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6885 return null; 6886 } 6887 final PackageParser.Activity activity = info.activity; 6888 if (mSafeMode && (activity.info.applicationInfo.flags 6889 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6890 return null; 6891 } 6892 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6893 if (ps == null) { 6894 return null; 6895 } 6896 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6897 ps.readUserState(userId), userId); 6898 if (ai == null) { 6899 return null; 6900 } 6901 final ResolveInfo res = new ResolveInfo(); 6902 res.activityInfo = ai; 6903 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6904 res.filter = info; 6905 } 6906 res.priority = info.getPriority(); 6907 res.preferredOrder = activity.owner.mPreferredOrder; 6908 //System.out.println("Result: " + res.activityInfo.className + 6909 // " = " + res.priority); 6910 res.match = match; 6911 res.isDefault = info.hasDefault; 6912 res.labelRes = info.labelRes; 6913 res.nonLocalizedLabel = info.nonLocalizedLabel; 6914 if (userNeedsBadging(userId)) { 6915 res.noResourceId = true; 6916 } else { 6917 res.icon = info.icon; 6918 } 6919 res.system = isSystemApp(res.activityInfo.applicationInfo); 6920 return res; 6921 } 6922 6923 @Override 6924 protected void sortResults(List<ResolveInfo> results) { 6925 Collections.sort(results, mResolvePrioritySorter); 6926 } 6927 6928 @Override 6929 protected void dumpFilter(PrintWriter out, String prefix, 6930 PackageParser.ActivityIntentInfo filter) { 6931 out.print(prefix); out.print( 6932 Integer.toHexString(System.identityHashCode(filter.activity))); 6933 out.print(' '); 6934 filter.activity.printComponentShortName(out); 6935 out.print(" filter "); 6936 out.println(Integer.toHexString(System.identityHashCode(filter))); 6937 } 6938 6939// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6940// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6941// final List<ResolveInfo> retList = Lists.newArrayList(); 6942// while (i.hasNext()) { 6943// final ResolveInfo resolveInfo = i.next(); 6944// if (isEnabledLP(resolveInfo.activityInfo)) { 6945// retList.add(resolveInfo); 6946// } 6947// } 6948// return retList; 6949// } 6950 6951 // Keys are String (activity class name), values are Activity. 6952 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6953 = new HashMap<ComponentName, PackageParser.Activity>(); 6954 private int mFlags; 6955 } 6956 6957 private final class ServiceIntentResolver 6958 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6959 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6960 boolean defaultOnly, int userId) { 6961 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6962 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6963 } 6964 6965 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6966 int userId) { 6967 if (!sUserManager.exists(userId)) return null; 6968 mFlags = flags; 6969 return super.queryIntent(intent, resolvedType, 6970 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6971 } 6972 6973 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6974 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6975 if (!sUserManager.exists(userId)) return null; 6976 if (packageServices == null) { 6977 return null; 6978 } 6979 mFlags = flags; 6980 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6981 final int N = packageServices.size(); 6982 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6983 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6984 6985 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6986 for (int i = 0; i < N; ++i) { 6987 intentFilters = packageServices.get(i).intents; 6988 if (intentFilters != null && intentFilters.size() > 0) { 6989 PackageParser.ServiceIntentInfo[] array = 6990 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6991 intentFilters.toArray(array); 6992 listCut.add(array); 6993 } 6994 } 6995 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6996 } 6997 6998 public final void addService(PackageParser.Service s) { 6999 mServices.put(s.getComponentName(), s); 7000 if (DEBUG_SHOW_INFO) { 7001 Log.v(TAG, " " 7002 + (s.info.nonLocalizedLabel != null 7003 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7004 Log.v(TAG, " Class=" + s.info.name); 7005 } 7006 final int NI = s.intents.size(); 7007 int j; 7008 for (j=0; j<NI; j++) { 7009 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7010 if (DEBUG_SHOW_INFO) { 7011 Log.v(TAG, " IntentFilter:"); 7012 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7013 } 7014 if (!intent.debugCheck()) { 7015 Log.w(TAG, "==> For Service " + s.info.name); 7016 } 7017 addFilter(intent); 7018 } 7019 } 7020 7021 public final void removeService(PackageParser.Service s) { 7022 mServices.remove(s.getComponentName()); 7023 if (DEBUG_SHOW_INFO) { 7024 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7025 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7026 Log.v(TAG, " Class=" + s.info.name); 7027 } 7028 final int NI = s.intents.size(); 7029 int j; 7030 for (j=0; j<NI; j++) { 7031 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7032 if (DEBUG_SHOW_INFO) { 7033 Log.v(TAG, " IntentFilter:"); 7034 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7035 } 7036 removeFilter(intent); 7037 } 7038 } 7039 7040 @Override 7041 protected boolean allowFilterResult( 7042 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7043 ServiceInfo filterSi = filter.service.info; 7044 for (int i=dest.size()-1; i>=0; i--) { 7045 ServiceInfo destAi = dest.get(i).serviceInfo; 7046 if (destAi.name == filterSi.name 7047 && destAi.packageName == filterSi.packageName) { 7048 return false; 7049 } 7050 } 7051 return true; 7052 } 7053 7054 @Override 7055 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7056 return new PackageParser.ServiceIntentInfo[size]; 7057 } 7058 7059 @Override 7060 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7061 if (!sUserManager.exists(userId)) return true; 7062 PackageParser.Package p = filter.service.owner; 7063 if (p != null) { 7064 PackageSetting ps = (PackageSetting)p.mExtras; 7065 if (ps != null) { 7066 // System apps are never considered stopped for purposes of 7067 // filtering, because there may be no way for the user to 7068 // actually re-launch them. 7069 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7070 && ps.getStopped(userId); 7071 } 7072 } 7073 return false; 7074 } 7075 7076 @Override 7077 protected boolean isPackageForFilter(String packageName, 7078 PackageParser.ServiceIntentInfo info) { 7079 return packageName.equals(info.service.owner.packageName); 7080 } 7081 7082 @Override 7083 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7084 int match, int userId) { 7085 if (!sUserManager.exists(userId)) return null; 7086 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7087 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7088 return null; 7089 } 7090 final PackageParser.Service service = info.service; 7091 if (mSafeMode && (service.info.applicationInfo.flags 7092 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7093 return null; 7094 } 7095 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7096 if (ps == null) { 7097 return null; 7098 } 7099 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7100 ps.readUserState(userId), userId); 7101 if (si == null) { 7102 return null; 7103 } 7104 final ResolveInfo res = new ResolveInfo(); 7105 res.serviceInfo = si; 7106 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7107 res.filter = filter; 7108 } 7109 res.priority = info.getPriority(); 7110 res.preferredOrder = service.owner.mPreferredOrder; 7111 //System.out.println("Result: " + res.activityInfo.className + 7112 // " = " + res.priority); 7113 res.match = match; 7114 res.isDefault = info.hasDefault; 7115 res.labelRes = info.labelRes; 7116 res.nonLocalizedLabel = info.nonLocalizedLabel; 7117 res.icon = info.icon; 7118 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7119 return res; 7120 } 7121 7122 @Override 7123 protected void sortResults(List<ResolveInfo> results) { 7124 Collections.sort(results, mResolvePrioritySorter); 7125 } 7126 7127 @Override 7128 protected void dumpFilter(PrintWriter out, String prefix, 7129 PackageParser.ServiceIntentInfo filter) { 7130 out.print(prefix); out.print( 7131 Integer.toHexString(System.identityHashCode(filter.service))); 7132 out.print(' '); 7133 filter.service.printComponentShortName(out); 7134 out.print(" filter "); 7135 out.println(Integer.toHexString(System.identityHashCode(filter))); 7136 } 7137 7138// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7139// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7140// final List<ResolveInfo> retList = Lists.newArrayList(); 7141// while (i.hasNext()) { 7142// final ResolveInfo resolveInfo = (ResolveInfo) i; 7143// if (isEnabledLP(resolveInfo.serviceInfo)) { 7144// retList.add(resolveInfo); 7145// } 7146// } 7147// return retList; 7148// } 7149 7150 // Keys are String (activity class name), values are Activity. 7151 private final HashMap<ComponentName, PackageParser.Service> mServices 7152 = new HashMap<ComponentName, PackageParser.Service>(); 7153 private int mFlags; 7154 }; 7155 7156 private final class ProviderIntentResolver 7157 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7158 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7159 boolean defaultOnly, int userId) { 7160 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7161 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7162 } 7163 7164 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7165 int userId) { 7166 if (!sUserManager.exists(userId)) 7167 return null; 7168 mFlags = flags; 7169 return super.queryIntent(intent, resolvedType, 7170 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7171 } 7172 7173 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7174 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7175 if (!sUserManager.exists(userId)) 7176 return null; 7177 if (packageProviders == null) { 7178 return null; 7179 } 7180 mFlags = flags; 7181 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7182 final int N = packageProviders.size(); 7183 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7184 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7185 7186 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7187 for (int i = 0; i < N; ++i) { 7188 intentFilters = packageProviders.get(i).intents; 7189 if (intentFilters != null && intentFilters.size() > 0) { 7190 PackageParser.ProviderIntentInfo[] array = 7191 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7192 intentFilters.toArray(array); 7193 listCut.add(array); 7194 } 7195 } 7196 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7197 } 7198 7199 public final void addProvider(PackageParser.Provider p) { 7200 if (mProviders.containsKey(p.getComponentName())) { 7201 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7202 return; 7203 } 7204 7205 mProviders.put(p.getComponentName(), p); 7206 if (DEBUG_SHOW_INFO) { 7207 Log.v(TAG, " " 7208 + (p.info.nonLocalizedLabel != null 7209 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7210 Log.v(TAG, " Class=" + p.info.name); 7211 } 7212 final int NI = p.intents.size(); 7213 int j; 7214 for (j = 0; j < NI; j++) { 7215 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7216 if (DEBUG_SHOW_INFO) { 7217 Log.v(TAG, " IntentFilter:"); 7218 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7219 } 7220 if (!intent.debugCheck()) { 7221 Log.w(TAG, "==> For Provider " + p.info.name); 7222 } 7223 addFilter(intent); 7224 } 7225 } 7226 7227 public final void removeProvider(PackageParser.Provider p) { 7228 mProviders.remove(p.getComponentName()); 7229 if (DEBUG_SHOW_INFO) { 7230 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7231 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7232 Log.v(TAG, " Class=" + p.info.name); 7233 } 7234 final int NI = p.intents.size(); 7235 int j; 7236 for (j = 0; j < NI; j++) { 7237 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7238 if (DEBUG_SHOW_INFO) { 7239 Log.v(TAG, " IntentFilter:"); 7240 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7241 } 7242 removeFilter(intent); 7243 } 7244 } 7245 7246 @Override 7247 protected boolean allowFilterResult( 7248 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7249 ProviderInfo filterPi = filter.provider.info; 7250 for (int i = dest.size() - 1; i >= 0; i--) { 7251 ProviderInfo destPi = dest.get(i).providerInfo; 7252 if (destPi.name == filterPi.name 7253 && destPi.packageName == filterPi.packageName) { 7254 return false; 7255 } 7256 } 7257 return true; 7258 } 7259 7260 @Override 7261 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7262 return new PackageParser.ProviderIntentInfo[size]; 7263 } 7264 7265 @Override 7266 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7267 if (!sUserManager.exists(userId)) 7268 return true; 7269 PackageParser.Package p = filter.provider.owner; 7270 if (p != null) { 7271 PackageSetting ps = (PackageSetting) p.mExtras; 7272 if (ps != null) { 7273 // System apps are never considered stopped for purposes of 7274 // filtering, because there may be no way for the user to 7275 // actually re-launch them. 7276 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7277 && ps.getStopped(userId); 7278 } 7279 } 7280 return false; 7281 } 7282 7283 @Override 7284 protected boolean isPackageForFilter(String packageName, 7285 PackageParser.ProviderIntentInfo info) { 7286 return packageName.equals(info.provider.owner.packageName); 7287 } 7288 7289 @Override 7290 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7291 int match, int userId) { 7292 if (!sUserManager.exists(userId)) 7293 return null; 7294 final PackageParser.ProviderIntentInfo info = filter; 7295 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7296 return null; 7297 } 7298 final PackageParser.Provider provider = info.provider; 7299 if (mSafeMode && (provider.info.applicationInfo.flags 7300 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7301 return null; 7302 } 7303 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7304 if (ps == null) { 7305 return null; 7306 } 7307 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7308 ps.readUserState(userId), userId); 7309 if (pi == null) { 7310 return null; 7311 } 7312 final ResolveInfo res = new ResolveInfo(); 7313 res.providerInfo = pi; 7314 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7315 res.filter = filter; 7316 } 7317 res.priority = info.getPriority(); 7318 res.preferredOrder = provider.owner.mPreferredOrder; 7319 res.match = match; 7320 res.isDefault = info.hasDefault; 7321 res.labelRes = info.labelRes; 7322 res.nonLocalizedLabel = info.nonLocalizedLabel; 7323 res.icon = info.icon; 7324 res.system = isSystemApp(res.providerInfo.applicationInfo); 7325 return res; 7326 } 7327 7328 @Override 7329 protected void sortResults(List<ResolveInfo> results) { 7330 Collections.sort(results, mResolvePrioritySorter); 7331 } 7332 7333 @Override 7334 protected void dumpFilter(PrintWriter out, String prefix, 7335 PackageParser.ProviderIntentInfo filter) { 7336 out.print(prefix); 7337 out.print( 7338 Integer.toHexString(System.identityHashCode(filter.provider))); 7339 out.print(' '); 7340 filter.provider.printComponentShortName(out); 7341 out.print(" filter "); 7342 out.println(Integer.toHexString(System.identityHashCode(filter))); 7343 } 7344 7345 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7346 = new HashMap<ComponentName, PackageParser.Provider>(); 7347 private int mFlags; 7348 }; 7349 7350 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7351 new Comparator<ResolveInfo>() { 7352 public int compare(ResolveInfo r1, ResolveInfo r2) { 7353 int v1 = r1.priority; 7354 int v2 = r2.priority; 7355 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7356 if (v1 != v2) { 7357 return (v1 > v2) ? -1 : 1; 7358 } 7359 v1 = r1.preferredOrder; 7360 v2 = r2.preferredOrder; 7361 if (v1 != v2) { 7362 return (v1 > v2) ? -1 : 1; 7363 } 7364 if (r1.isDefault != r2.isDefault) { 7365 return r1.isDefault ? -1 : 1; 7366 } 7367 v1 = r1.match; 7368 v2 = r2.match; 7369 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7370 if (v1 != v2) { 7371 return (v1 > v2) ? -1 : 1; 7372 } 7373 if (r1.system != r2.system) { 7374 return r1.system ? -1 : 1; 7375 } 7376 return 0; 7377 } 7378 }; 7379 7380 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7381 new Comparator<ProviderInfo>() { 7382 public int compare(ProviderInfo p1, ProviderInfo p2) { 7383 final int v1 = p1.initOrder; 7384 final int v2 = p2.initOrder; 7385 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7386 } 7387 }; 7388 7389 static final void sendPackageBroadcast(String action, String pkg, 7390 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7391 int[] userIds) { 7392 IActivityManager am = ActivityManagerNative.getDefault(); 7393 if (am != null) { 7394 try { 7395 if (userIds == null) { 7396 userIds = am.getRunningUserIds(); 7397 } 7398 for (int id : userIds) { 7399 final Intent intent = new Intent(action, 7400 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7401 if (extras != null) { 7402 intent.putExtras(extras); 7403 } 7404 if (targetPkg != null) { 7405 intent.setPackage(targetPkg); 7406 } 7407 // Modify the UID when posting to other users 7408 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7409 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7410 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7411 intent.putExtra(Intent.EXTRA_UID, uid); 7412 } 7413 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7414 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7415 if (DEBUG_BROADCASTS) { 7416 RuntimeException here = new RuntimeException("here"); 7417 here.fillInStackTrace(); 7418 Slog.d(TAG, "Sending to user " + id + ": " 7419 + intent.toShortString(false, true, false, false) 7420 + " " + intent.getExtras(), here); 7421 } 7422 am.broadcastIntent(null, intent, null, finishedReceiver, 7423 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7424 finishedReceiver != null, false, id); 7425 } 7426 } catch (RemoteException ex) { 7427 } 7428 } 7429 } 7430 7431 /** 7432 * Check if the external storage media is available. This is true if there 7433 * is a mounted external storage medium or if the external storage is 7434 * emulated. 7435 */ 7436 private boolean isExternalMediaAvailable() { 7437 return mMediaMounted || Environment.isExternalStorageEmulated(); 7438 } 7439 7440 @Override 7441 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7442 // writer 7443 synchronized (mPackages) { 7444 if (!isExternalMediaAvailable()) { 7445 // If the external storage is no longer mounted at this point, 7446 // the caller may not have been able to delete all of this 7447 // packages files and can not delete any more. Bail. 7448 return null; 7449 } 7450 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7451 if (lastPackage != null) { 7452 pkgs.remove(lastPackage); 7453 } 7454 if (pkgs.size() > 0) { 7455 return pkgs.get(0); 7456 } 7457 } 7458 return null; 7459 } 7460 7461 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7462 if (false) { 7463 RuntimeException here = new RuntimeException("here"); 7464 here.fillInStackTrace(); 7465 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7466 + " andCode=" + andCode, here); 7467 } 7468 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7469 userId, andCode ? 1 : 0, packageName)); 7470 } 7471 7472 void startCleaningPackages() { 7473 // reader 7474 synchronized (mPackages) { 7475 if (!isExternalMediaAvailable()) { 7476 return; 7477 } 7478 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7479 return; 7480 } 7481 } 7482 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7483 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7484 IActivityManager am = ActivityManagerNative.getDefault(); 7485 if (am != null) { 7486 try { 7487 am.startService(null, intent, null, UserHandle.USER_OWNER); 7488 } catch (RemoteException e) { 7489 } 7490 } 7491 } 7492 7493 private final class AppDirObserver extends FileObserver { 7494 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7495 super(path, mask); 7496 mRootDir = path; 7497 mIsRom = isrom; 7498 mIsPrivileged = isPrivileged; 7499 } 7500 7501 public void onEvent(int event, String path) { 7502 String removedPackage = null; 7503 int removedAppId = -1; 7504 int[] removedUsers = null; 7505 String addedPackage = null; 7506 int addedAppId = -1; 7507 int[] addedUsers = null; 7508 7509 // TODO post a message to the handler to obtain serial ordering 7510 synchronized (mInstallLock) { 7511 String fullPathStr = null; 7512 File fullPath = null; 7513 if (path != null) { 7514 fullPath = new File(mRootDir, path); 7515 fullPathStr = fullPath.getPath(); 7516 } 7517 7518 if (DEBUG_APP_DIR_OBSERVER) 7519 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7520 7521 if (!isApkFile(fullPath)) { 7522 if (DEBUG_APP_DIR_OBSERVER) 7523 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7524 return; 7525 } 7526 7527 // Ignore packages that are being installed or 7528 // have just been installed. 7529 if (ignoreCodePath(fullPathStr)) { 7530 return; 7531 } 7532 PackageParser.Package p = null; 7533 PackageSetting ps = null; 7534 // reader 7535 synchronized (mPackages) { 7536 p = mAppDirs.get(fullPathStr); 7537 if (p != null) { 7538 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7539 if (ps != null) { 7540 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7541 } else { 7542 removedUsers = sUserManager.getUserIds(); 7543 } 7544 } 7545 addedUsers = sUserManager.getUserIds(); 7546 } 7547 if ((event&REMOVE_EVENTS) != 0) { 7548 if (ps != null) { 7549 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7550 removePackageLI(ps, true); 7551 removedPackage = ps.name; 7552 removedAppId = ps.appId; 7553 } 7554 } 7555 7556 if ((event&ADD_EVENTS) != 0) { 7557 if (p == null) { 7558 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7559 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7560 if (mIsRom) { 7561 flags |= PackageParser.PARSE_IS_SYSTEM 7562 | PackageParser.PARSE_IS_SYSTEM_DIR; 7563 if (mIsPrivileged) { 7564 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7565 } 7566 } 7567 p = scanPackageLI(fullPath, flags, 7568 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7569 System.currentTimeMillis(), UserHandle.ALL, null); 7570 if (p != null) { 7571 /* 7572 * TODO this seems dangerous as the package may have 7573 * changed since we last acquired the mPackages 7574 * lock. 7575 */ 7576 // writer 7577 synchronized (mPackages) { 7578 updatePermissionsLPw(p.packageName, p, 7579 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7580 } 7581 addedPackage = p.applicationInfo.packageName; 7582 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7583 } 7584 } 7585 } 7586 7587 // reader 7588 synchronized (mPackages) { 7589 mSettings.writeLPr(); 7590 } 7591 } 7592 7593 if (removedPackage != null) { 7594 Bundle extras = new Bundle(1); 7595 extras.putInt(Intent.EXTRA_UID, removedAppId); 7596 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7597 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7598 extras, null, null, removedUsers); 7599 } 7600 if (addedPackage != null) { 7601 Bundle extras = new Bundle(1); 7602 extras.putInt(Intent.EXTRA_UID, addedAppId); 7603 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7604 extras, null, null, addedUsers); 7605 } 7606 } 7607 7608 private final String mRootDir; 7609 private final boolean mIsRom; 7610 private final boolean mIsPrivileged; 7611 } 7612 7613 @Override 7614 public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags, 7615 String installerPackageName, VerificationParams verificationParams, 7616 String packageAbiOverride) { 7617 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7618 null); 7619 7620 final File originFile = new File(originPath); 7621 final int uid = Binder.getCallingUid(); 7622 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7623 try { 7624 if (observer != null) { 7625 observer.packageInstalled("", null, INSTALL_FAILED_USER_RESTRICTED); 7626 } 7627 } catch (RemoteException re) { 7628 } 7629 return; 7630 } 7631 7632 UserHandle user; 7633 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7634 user = UserHandle.ALL; 7635 } else { 7636 user = new UserHandle(UserHandle.getUserId(uid)); 7637 } 7638 7639 final int filteredFlags; 7640 if (uid == Process.SHELL_UID || uid == 0) { 7641 if (DEBUG_INSTALL) { 7642 Slog.v(TAG, "Install from ADB"); 7643 } 7644 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7645 } else { 7646 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7647 } 7648 7649 verificationParams.setInstallerUid(uid); 7650 7651 final Message msg = mHandler.obtainMessage(INIT_COPY); 7652 msg.obj = new InstallParams(originFile, observer, filteredFlags, installerPackageName, 7653 verificationParams, user, packageAbiOverride); 7654 mHandler.sendMessage(msg); 7655 } 7656 7657 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7658 Bundle extras = new Bundle(1); 7659 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7660 7661 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7662 packageName, extras, null, null, new int[] {userId}); 7663 try { 7664 IActivityManager am = ActivityManagerNative.getDefault(); 7665 final boolean isSystem = 7666 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7667 if (isSystem && am.isUserRunning(userId, false)) { 7668 // The just-installed/enabled app is bundled on the system, so presumed 7669 // to be able to run automatically without needing an explicit launch. 7670 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7671 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7672 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7673 .setPackage(packageName); 7674 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7675 android.app.AppOpsManager.OP_NONE, false, false, userId); 7676 } 7677 } catch (RemoteException e) { 7678 // shouldn't happen 7679 Slog.w(TAG, "Unable to bootstrap installed package", e); 7680 } 7681 } 7682 7683 @Override 7684 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7685 int userId) { 7686 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7687 PackageSetting pkgSetting; 7688 final int uid = Binder.getCallingUid(); 7689 if (UserHandle.getUserId(uid) != userId) { 7690 mContext.enforceCallingOrSelfPermission( 7691 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7692 "setApplicationBlockedSetting for user " + userId); 7693 } 7694 7695 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7696 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7697 return false; 7698 } 7699 7700 long callingId = Binder.clearCallingIdentity(); 7701 try { 7702 boolean sendAdded = false; 7703 boolean sendRemoved = false; 7704 // writer 7705 synchronized (mPackages) { 7706 pkgSetting = mSettings.mPackages.get(packageName); 7707 if (pkgSetting == null) { 7708 return false; 7709 } 7710 if (pkgSetting.getBlocked(userId) != blocked) { 7711 pkgSetting.setBlocked(blocked, userId); 7712 mSettings.writePackageRestrictionsLPr(userId); 7713 if (blocked) { 7714 sendRemoved = true; 7715 } else { 7716 sendAdded = true; 7717 } 7718 } 7719 } 7720 if (sendAdded) { 7721 sendPackageAddedForUser(packageName, pkgSetting, userId); 7722 return true; 7723 } 7724 if (sendRemoved) { 7725 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7726 "blocking pkg"); 7727 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7728 } 7729 } finally { 7730 Binder.restoreCallingIdentity(callingId); 7731 } 7732 return false; 7733 } 7734 7735 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7736 int userId) { 7737 final PackageRemovedInfo info = new PackageRemovedInfo(); 7738 info.removedPackage = packageName; 7739 info.removedUsers = new int[] {userId}; 7740 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7741 info.sendBroadcast(false, false, false); 7742 } 7743 7744 /** 7745 * Returns true if application is not found or there was an error. Otherwise it returns 7746 * the blocked state of the package for the given user. 7747 */ 7748 @Override 7749 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7750 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7751 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7752 "getApplicationBlocked for user " + userId); 7753 PackageSetting pkgSetting; 7754 long callingId = Binder.clearCallingIdentity(); 7755 try { 7756 // writer 7757 synchronized (mPackages) { 7758 pkgSetting = mSettings.mPackages.get(packageName); 7759 if (pkgSetting == null) { 7760 return true; 7761 } 7762 return pkgSetting.getBlocked(userId); 7763 } 7764 } finally { 7765 Binder.restoreCallingIdentity(callingId); 7766 } 7767 } 7768 7769 void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer2, 7770 PackageInstallerParams params, String installerPackageName, int installerUid, 7771 UserHandle user) { 7772 Slog.e(TAG, "TODO: install stage!"); 7773 try { 7774 observer2.packageInstalled(packageName, null, 7775 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7776 } catch (RemoteException ignored) { 7777 } 7778 } 7779 7780 /** 7781 * @hide 7782 */ 7783 @Override 7784 public int installExistingPackageAsUser(String packageName, int userId) { 7785 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7786 null); 7787 PackageSetting pkgSetting; 7788 final int uid = Binder.getCallingUid(); 7789 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7790 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7791 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7792 } 7793 7794 long callingId = Binder.clearCallingIdentity(); 7795 try { 7796 boolean sendAdded = false; 7797 Bundle extras = new Bundle(1); 7798 7799 // writer 7800 synchronized (mPackages) { 7801 pkgSetting = mSettings.mPackages.get(packageName); 7802 if (pkgSetting == null) { 7803 return PackageManager.INSTALL_FAILED_INVALID_URI; 7804 } 7805 if (!pkgSetting.getInstalled(userId)) { 7806 pkgSetting.setInstalled(true, userId); 7807 pkgSetting.setBlocked(false, userId); 7808 mSettings.writePackageRestrictionsLPr(userId); 7809 sendAdded = true; 7810 } 7811 } 7812 7813 if (sendAdded) { 7814 sendPackageAddedForUser(packageName, pkgSetting, userId); 7815 } 7816 } finally { 7817 Binder.restoreCallingIdentity(callingId); 7818 } 7819 7820 return PackageManager.INSTALL_SUCCEEDED; 7821 } 7822 7823 boolean isUserRestricted(int userId, String restrictionKey) { 7824 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7825 if (restrictions.getBoolean(restrictionKey, false)) { 7826 Log.w(TAG, "User is restricted: " + restrictionKey); 7827 return true; 7828 } 7829 return false; 7830 } 7831 7832 @Override 7833 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7834 mContext.enforceCallingOrSelfPermission( 7835 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7836 "Only package verification agents can verify applications"); 7837 7838 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7839 final PackageVerificationResponse response = new PackageVerificationResponse( 7840 verificationCode, Binder.getCallingUid()); 7841 msg.arg1 = id; 7842 msg.obj = response; 7843 mHandler.sendMessage(msg); 7844 } 7845 7846 @Override 7847 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7848 long millisecondsToDelay) { 7849 mContext.enforceCallingOrSelfPermission( 7850 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7851 "Only package verification agents can extend verification timeouts"); 7852 7853 final PackageVerificationState state = mPendingVerification.get(id); 7854 final PackageVerificationResponse response = new PackageVerificationResponse( 7855 verificationCodeAtTimeout, Binder.getCallingUid()); 7856 7857 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7858 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7859 } 7860 if (millisecondsToDelay < 0) { 7861 millisecondsToDelay = 0; 7862 } 7863 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7864 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7865 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7866 } 7867 7868 if ((state != null) && !state.timeoutExtended()) { 7869 state.extendTimeout(); 7870 7871 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7872 msg.arg1 = id; 7873 msg.obj = response; 7874 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7875 } 7876 } 7877 7878 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7879 int verificationCode, UserHandle user) { 7880 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7881 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7882 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7883 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7884 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7885 7886 mContext.sendBroadcastAsUser(intent, user, 7887 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7888 } 7889 7890 private ComponentName matchComponentForVerifier(String packageName, 7891 List<ResolveInfo> receivers) { 7892 ActivityInfo targetReceiver = null; 7893 7894 final int NR = receivers.size(); 7895 for (int i = 0; i < NR; i++) { 7896 final ResolveInfo info = receivers.get(i); 7897 if (info.activityInfo == null) { 7898 continue; 7899 } 7900 7901 if (packageName.equals(info.activityInfo.packageName)) { 7902 targetReceiver = info.activityInfo; 7903 break; 7904 } 7905 } 7906 7907 if (targetReceiver == null) { 7908 return null; 7909 } 7910 7911 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7912 } 7913 7914 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7915 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7916 if (pkgInfo.verifiers.length == 0) { 7917 return null; 7918 } 7919 7920 final int N = pkgInfo.verifiers.length; 7921 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7922 for (int i = 0; i < N; i++) { 7923 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7924 7925 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7926 receivers); 7927 if (comp == null) { 7928 continue; 7929 } 7930 7931 final int verifierUid = getUidForVerifier(verifierInfo); 7932 if (verifierUid == -1) { 7933 continue; 7934 } 7935 7936 if (DEBUG_VERIFY) { 7937 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7938 + " with the correct signature"); 7939 } 7940 sufficientVerifiers.add(comp); 7941 verificationState.addSufficientVerifier(verifierUid); 7942 } 7943 7944 return sufficientVerifiers; 7945 } 7946 7947 private int getUidForVerifier(VerifierInfo verifierInfo) { 7948 synchronized (mPackages) { 7949 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7950 if (pkg == null) { 7951 return -1; 7952 } else if (pkg.mSignatures.length != 1) { 7953 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7954 + " has more than one signature; ignoring"); 7955 return -1; 7956 } 7957 7958 /* 7959 * If the public key of the package's signature does not match 7960 * our expected public key, then this is a different package and 7961 * we should skip. 7962 */ 7963 7964 final byte[] expectedPublicKey; 7965 try { 7966 final Signature verifierSig = pkg.mSignatures[0]; 7967 final PublicKey publicKey = verifierSig.getPublicKey(); 7968 expectedPublicKey = publicKey.getEncoded(); 7969 } catch (CertificateException e) { 7970 return -1; 7971 } 7972 7973 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7974 7975 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7976 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7977 + " does not have the expected public key; ignoring"); 7978 return -1; 7979 } 7980 7981 return pkg.applicationInfo.uid; 7982 } 7983 } 7984 7985 @Override 7986 public void finishPackageInstall(int token) { 7987 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7988 7989 if (DEBUG_INSTALL) { 7990 Slog.v(TAG, "BM finishing package install for " + token); 7991 } 7992 7993 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7994 mHandler.sendMessage(msg); 7995 } 7996 7997 /** 7998 * Get the verification agent timeout. 7999 * 8000 * @return verification timeout in milliseconds 8001 */ 8002 private long getVerificationTimeout() { 8003 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8004 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8005 DEFAULT_VERIFICATION_TIMEOUT); 8006 } 8007 8008 /** 8009 * Get the default verification agent response code. 8010 * 8011 * @return default verification response code 8012 */ 8013 private int getDefaultVerificationResponse() { 8014 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8015 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8016 DEFAULT_VERIFICATION_RESPONSE); 8017 } 8018 8019 /** 8020 * Check whether or not package verification has been enabled. 8021 * 8022 * @return true if verification should be performed 8023 */ 8024 private boolean isVerificationEnabled(int userId, int flags) { 8025 if (!DEFAULT_VERIFY_ENABLE) { 8026 return false; 8027 } 8028 8029 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8030 8031 // Check if installing from ADB 8032 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8033 // Do not run verification in a test harness environment 8034 if (ActivityManager.isRunningInTestHarness()) { 8035 return false; 8036 } 8037 if (ensureVerifyAppsEnabled) { 8038 return true; 8039 } 8040 // Check if the developer does not want package verification for ADB installs 8041 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8042 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8043 return false; 8044 } 8045 } 8046 8047 if (ensureVerifyAppsEnabled) { 8048 return true; 8049 } 8050 8051 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8052 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8053 } 8054 8055 /** 8056 * Get the "allow unknown sources" setting. 8057 * 8058 * @return the current "allow unknown sources" setting 8059 */ 8060 private int getUnknownSourcesSettings() { 8061 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8062 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8063 -1); 8064 } 8065 8066 @Override 8067 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8068 final int uid = Binder.getCallingUid(); 8069 // writer 8070 synchronized (mPackages) { 8071 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8072 if (targetPackageSetting == null) { 8073 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8074 } 8075 8076 PackageSetting installerPackageSetting; 8077 if (installerPackageName != null) { 8078 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8079 if (installerPackageSetting == null) { 8080 throw new IllegalArgumentException("Unknown installer package: " 8081 + installerPackageName); 8082 } 8083 } else { 8084 installerPackageSetting = null; 8085 } 8086 8087 Signature[] callerSignature; 8088 Object obj = mSettings.getUserIdLPr(uid); 8089 if (obj != null) { 8090 if (obj instanceof SharedUserSetting) { 8091 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8092 } else if (obj instanceof PackageSetting) { 8093 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8094 } else { 8095 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8096 } 8097 } else { 8098 throw new SecurityException("Unknown calling uid " + uid); 8099 } 8100 8101 // Verify: can't set installerPackageName to a package that is 8102 // not signed with the same cert as the caller. 8103 if (installerPackageSetting != null) { 8104 if (compareSignatures(callerSignature, 8105 installerPackageSetting.signatures.mSignatures) 8106 != PackageManager.SIGNATURE_MATCH) { 8107 throw new SecurityException( 8108 "Caller does not have same cert as new installer package " 8109 + installerPackageName); 8110 } 8111 } 8112 8113 // Verify: if target already has an installer package, it must 8114 // be signed with the same cert as the caller. 8115 if (targetPackageSetting.installerPackageName != null) { 8116 PackageSetting setting = mSettings.mPackages.get( 8117 targetPackageSetting.installerPackageName); 8118 // If the currently set package isn't valid, then it's always 8119 // okay to change it. 8120 if (setting != null) { 8121 if (compareSignatures(callerSignature, 8122 setting.signatures.mSignatures) 8123 != PackageManager.SIGNATURE_MATCH) { 8124 throw new SecurityException( 8125 "Caller does not have same cert as old installer package " 8126 + targetPackageSetting.installerPackageName); 8127 } 8128 } 8129 } 8130 8131 // Okay! 8132 targetPackageSetting.installerPackageName = installerPackageName; 8133 scheduleWriteSettingsLocked(); 8134 } 8135 } 8136 8137 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8138 // Queue up an async operation since the package installation may take a little while. 8139 mHandler.post(new Runnable() { 8140 public void run() { 8141 mHandler.removeCallbacks(this); 8142 // Result object to be returned 8143 PackageInstalledInfo res = new PackageInstalledInfo(); 8144 res.returnCode = currentStatus; 8145 res.uid = -1; 8146 res.pkg = null; 8147 res.removedInfo = new PackageRemovedInfo(); 8148 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8149 args.doPreInstall(res.returnCode); 8150 synchronized (mInstallLock) { 8151 installPackageLI(args, true, res); 8152 } 8153 args.doPostInstall(res.returnCode, res.uid); 8154 } 8155 8156 // A restore should be performed at this point if (a) the install 8157 // succeeded, (b) the operation is not an update, and (c) the new 8158 // package has a backupAgent defined. 8159 final boolean update = res.removedInfo.removedPackage != null; 8160 boolean doRestore = (!update 8161 && res.pkg != null 8162 && res.pkg.applicationInfo.backupAgentName != null); 8163 8164 // Set up the post-install work request bookkeeping. This will be used 8165 // and cleaned up by the post-install event handling regardless of whether 8166 // there's a restore pass performed. Token values are >= 1. 8167 int token; 8168 if (mNextInstallToken < 0) mNextInstallToken = 1; 8169 token = mNextInstallToken++; 8170 8171 PostInstallData data = new PostInstallData(args, res); 8172 mRunningInstalls.put(token, data); 8173 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8174 8175 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8176 // Pass responsibility to the Backup Manager. It will perform a 8177 // restore if appropriate, then pass responsibility back to the 8178 // Package Manager to run the post-install observer callbacks 8179 // and broadcasts. 8180 IBackupManager bm = IBackupManager.Stub.asInterface( 8181 ServiceManager.getService(Context.BACKUP_SERVICE)); 8182 if (bm != null) { 8183 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8184 + " to BM for possible restore"); 8185 try { 8186 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8187 } catch (RemoteException e) { 8188 // can't happen; the backup manager is local 8189 } catch (Exception e) { 8190 Slog.e(TAG, "Exception trying to enqueue restore", e); 8191 doRestore = false; 8192 } 8193 } else { 8194 Slog.e(TAG, "Backup Manager not found!"); 8195 doRestore = false; 8196 } 8197 } 8198 8199 if (!doRestore) { 8200 // No restore possible, or the Backup Manager was mysteriously not 8201 // available -- just fire the post-install work request directly. 8202 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8203 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8204 mHandler.sendMessage(msg); 8205 } 8206 } 8207 }); 8208 } 8209 8210 private abstract class HandlerParams { 8211 private static final int MAX_RETRIES = 4; 8212 8213 /** 8214 * Number of times startCopy() has been attempted and had a non-fatal 8215 * error. 8216 */ 8217 private int mRetries = 0; 8218 8219 /** User handle for the user requesting the information or installation. */ 8220 private final UserHandle mUser; 8221 8222 HandlerParams(UserHandle user) { 8223 mUser = user; 8224 } 8225 8226 UserHandle getUser() { 8227 return mUser; 8228 } 8229 8230 final boolean startCopy() { 8231 boolean res; 8232 try { 8233 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8234 8235 if (++mRetries > MAX_RETRIES) { 8236 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8237 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8238 handleServiceError(); 8239 return false; 8240 } else { 8241 handleStartCopy(); 8242 res = true; 8243 } 8244 } catch (RemoteException e) { 8245 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8246 mHandler.sendEmptyMessage(MCS_RECONNECT); 8247 res = false; 8248 } 8249 handleReturnCode(); 8250 return res; 8251 } 8252 8253 final void serviceError() { 8254 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8255 handleServiceError(); 8256 handleReturnCode(); 8257 } 8258 8259 abstract void handleStartCopy() throws RemoteException; 8260 abstract void handleServiceError(); 8261 abstract void handleReturnCode(); 8262 } 8263 8264 class MeasureParams extends HandlerParams { 8265 private final PackageStats mStats; 8266 private boolean mSuccess; 8267 8268 private final IPackageStatsObserver mObserver; 8269 8270 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8271 super(new UserHandle(stats.userHandle)); 8272 mObserver = observer; 8273 mStats = stats; 8274 } 8275 8276 @Override 8277 public String toString() { 8278 return "MeasureParams{" 8279 + Integer.toHexString(System.identityHashCode(this)) 8280 + " " + mStats.packageName + "}"; 8281 } 8282 8283 @Override 8284 void handleStartCopy() throws RemoteException { 8285 synchronized (mInstallLock) { 8286 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8287 } 8288 8289 if (mSuccess) { 8290 final boolean mounted; 8291 if (Environment.isExternalStorageEmulated()) { 8292 mounted = true; 8293 } else { 8294 final String status = Environment.getExternalStorageState(); 8295 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8296 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8297 } 8298 8299 if (mounted) { 8300 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8301 8302 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8303 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8304 8305 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8306 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8307 8308 // Always subtract cache size, since it's a subdirectory 8309 mStats.externalDataSize -= mStats.externalCacheSize; 8310 8311 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8312 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8313 8314 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8315 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8316 } 8317 } 8318 } 8319 8320 @Override 8321 void handleReturnCode() { 8322 if (mObserver != null) { 8323 try { 8324 mObserver.onGetStatsCompleted(mStats, mSuccess); 8325 } catch (RemoteException e) { 8326 Slog.i(TAG, "Observer no longer exists."); 8327 } 8328 } 8329 } 8330 8331 @Override 8332 void handleServiceError() { 8333 Slog.e(TAG, "Could not measure application " + mStats.packageName 8334 + " external storage"); 8335 } 8336 } 8337 8338 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8339 throws RemoteException { 8340 long result = 0; 8341 for (File path : paths) { 8342 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8343 } 8344 return result; 8345 } 8346 8347 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8348 for (File path : paths) { 8349 try { 8350 mcs.clearDirectory(path.getAbsolutePath()); 8351 } catch (RemoteException e) { 8352 } 8353 } 8354 } 8355 8356 class InstallParams extends HandlerParams { 8357 /** 8358 * Location where install is coming from, before it has been 8359 * copied/renamed into place. This could be a single monolithic APK 8360 * file, or a cluster directory. This location may be untrusted. 8361 */ 8362 final File originFile; 8363 8364 /** 8365 * Flag indicating that {@link #originFile} lives in a trusted location, 8366 * meaning downstream users don't need to defensively copy the contents. 8367 */ 8368 boolean originTrusted; 8369 8370 final IPackageInstallObserver2 observer; 8371 int flags; 8372 final String installerPackageName; 8373 final VerificationParams verificationParams; 8374 private InstallArgs mArgs; 8375 private int mRet; 8376 final String packageAbiOverride; 8377 final String packageInstructionSetOverride; 8378 8379 InstallParams(File originFile, IPackageInstallObserver2 observer, int flags, 8380 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8381 String packageAbiOverride) { 8382 super(user); 8383 this.originFile = Preconditions.checkNotNull(originFile); 8384 this.originTrusted = false; 8385 this.observer = observer; 8386 this.flags = flags; 8387 this.installerPackageName = installerPackageName; 8388 this.verificationParams = verificationParams; 8389 this.packageAbiOverride = packageAbiOverride; 8390 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8391 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8392 } 8393 8394 @Override 8395 public String toString() { 8396 return "InstallParams{" 8397 + Integer.toHexString(System.identityHashCode(this)) 8398 + " " + originFile + "}"; 8399 } 8400 8401 public ManifestDigest getManifestDigest() { 8402 if (verificationParams == null) { 8403 return null; 8404 } 8405 return verificationParams.getManifestDigest(); 8406 } 8407 8408 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8409 String packageName = pkgLite.packageName; 8410 int installLocation = pkgLite.installLocation; 8411 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8412 // reader 8413 synchronized (mPackages) { 8414 PackageParser.Package pkg = mPackages.get(packageName); 8415 if (pkg != null) { 8416 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8417 // Check for downgrading. 8418 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8419 if (pkgLite.versionCode < pkg.mVersionCode) { 8420 Slog.w(TAG, "Can't install update of " + packageName 8421 + " update version " + pkgLite.versionCode 8422 + " is older than installed version " 8423 + pkg.mVersionCode); 8424 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8425 } 8426 } 8427 // Check for updated system application. 8428 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8429 if (onSd) { 8430 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8431 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8432 } 8433 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8434 } else { 8435 if (onSd) { 8436 // Install flag overrides everything. 8437 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8438 } 8439 // If current upgrade specifies particular preference 8440 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8441 // Application explicitly specified internal. 8442 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8443 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8444 // App explictly prefers external. Let policy decide 8445 } else { 8446 // Prefer previous location 8447 if (isExternal(pkg)) { 8448 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8449 } 8450 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8451 } 8452 } 8453 } else { 8454 // Invalid install. Return error code 8455 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8456 } 8457 } 8458 } 8459 // All the special cases have been taken care of. 8460 // Return result based on recommended install location. 8461 if (onSd) { 8462 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8463 } 8464 return pkgLite.recommendedInstallLocation; 8465 } 8466 8467 private long getMemoryLowThreshold() { 8468 final DeviceStorageMonitorInternal 8469 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8470 if (dsm == null) { 8471 return 0L; 8472 } 8473 return dsm.getMemoryLowThreshold(); 8474 } 8475 8476 /* 8477 * Invoke remote method to get package information and install 8478 * location values. Override install location based on default 8479 * policy if needed and then create install arguments based 8480 * on the install location. 8481 */ 8482 public void handleStartCopy() throws RemoteException { 8483 int ret = PackageManager.INSTALL_SUCCEEDED; 8484 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8485 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8486 PackageInfoLite pkgLite = null; 8487 8488 if (onInt && onSd) { 8489 // Check if both bits are set. 8490 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8491 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8492 } else { 8493 final long lowThreshold = getMemoryLowThreshold(); 8494 if (lowThreshold == 0L) { 8495 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8496 } 8497 8498 // Remote call to find out default install location 8499 final String originPath = originFile.getAbsolutePath(); 8500 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold, 8501 packageAbiOverride); 8502 8503 /* 8504 * If we have too little free space, try to free cache 8505 * before giving up. 8506 */ 8507 if (pkgLite.recommendedInstallLocation 8508 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8509 final long size = mContainerService.calculateInstalledSize( 8510 originPath, isForwardLocked(), packageAbiOverride); 8511 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8512 pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, 8513 lowThreshold, packageAbiOverride); 8514 } 8515 /* 8516 * The cache free must have deleted the file we 8517 * downloaded to install. 8518 * 8519 * TODO: fix the "freeCache" call to not delete 8520 * the file we care about. 8521 */ 8522 if (pkgLite.recommendedInstallLocation 8523 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8524 pkgLite.recommendedInstallLocation 8525 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8526 } 8527 } 8528 } 8529 8530 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8531 int loc = pkgLite.recommendedInstallLocation; 8532 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8533 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8534 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8535 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8536 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8537 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8538 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8539 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8540 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8541 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8542 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8543 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8544 } else { 8545 // Override with defaults if needed. 8546 loc = installLocationPolicy(pkgLite, flags); 8547 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8548 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8549 } else if (!onSd && !onInt) { 8550 // Override install location with flags 8551 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8552 // Set the flag to install on external media. 8553 flags |= PackageManager.INSTALL_EXTERNAL; 8554 flags &= ~PackageManager.INSTALL_INTERNAL; 8555 } else { 8556 // Make sure the flag for installing on external 8557 // media is unset 8558 flags |= PackageManager.INSTALL_INTERNAL; 8559 flags &= ~PackageManager.INSTALL_EXTERNAL; 8560 } 8561 } 8562 } 8563 } 8564 8565 final InstallArgs args = createInstallArgs(this); 8566 mArgs = args; 8567 8568 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8569 /* 8570 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8571 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8572 */ 8573 int userIdentifier = getUser().getIdentifier(); 8574 if (userIdentifier == UserHandle.USER_ALL 8575 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8576 userIdentifier = UserHandle.USER_OWNER; 8577 } 8578 8579 /* 8580 * Determine if we have any installed package verifiers. If we 8581 * do, then we'll defer to them to verify the packages. 8582 */ 8583 final int requiredUid = mRequiredVerifierPackage == null ? -1 8584 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8585 if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) { 8586 // TODO: send verifier the install session instead of uri 8587 final Intent verification = new Intent( 8588 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8589 verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE); 8590 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8591 8592 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8593 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8594 0 /* TODO: Which userId? */); 8595 8596 if (DEBUG_VERIFY) { 8597 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8598 + verification.toString() + " with " + pkgLite.verifiers.length 8599 + " optional verifiers"); 8600 } 8601 8602 final int verificationId = mPendingVerificationToken++; 8603 8604 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8605 8606 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8607 installerPackageName); 8608 8609 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8610 8611 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8612 pkgLite.packageName); 8613 8614 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8615 pkgLite.versionCode); 8616 8617 if (verificationParams != null) { 8618 if (verificationParams.getVerificationURI() != null) { 8619 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8620 verificationParams.getVerificationURI()); 8621 } 8622 if (verificationParams.getOriginatingURI() != null) { 8623 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8624 verificationParams.getOriginatingURI()); 8625 } 8626 if (verificationParams.getReferrer() != null) { 8627 verification.putExtra(Intent.EXTRA_REFERRER, 8628 verificationParams.getReferrer()); 8629 } 8630 if (verificationParams.getOriginatingUid() >= 0) { 8631 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8632 verificationParams.getOriginatingUid()); 8633 } 8634 if (verificationParams.getInstallerUid() >= 0) { 8635 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8636 verificationParams.getInstallerUid()); 8637 } 8638 } 8639 8640 final PackageVerificationState verificationState = new PackageVerificationState( 8641 requiredUid, args); 8642 8643 mPendingVerification.append(verificationId, verificationState); 8644 8645 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8646 receivers, verificationState); 8647 8648 /* 8649 * If any sufficient verifiers were listed in the package 8650 * manifest, attempt to ask them. 8651 */ 8652 if (sufficientVerifiers != null) { 8653 final int N = sufficientVerifiers.size(); 8654 if (N == 0) { 8655 Slog.i(TAG, "Additional verifiers required, but none installed."); 8656 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8657 } else { 8658 for (int i = 0; i < N; i++) { 8659 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8660 8661 final Intent sufficientIntent = new Intent(verification); 8662 sufficientIntent.setComponent(verifierComponent); 8663 8664 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8665 } 8666 } 8667 } 8668 8669 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8670 mRequiredVerifierPackage, receivers); 8671 if (ret == PackageManager.INSTALL_SUCCEEDED 8672 && mRequiredVerifierPackage != null) { 8673 /* 8674 * Send the intent to the required verification agent, 8675 * but only start the verification timeout after the 8676 * target BroadcastReceivers have run. 8677 */ 8678 verification.setComponent(requiredVerifierComponent); 8679 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8680 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8681 new BroadcastReceiver() { 8682 @Override 8683 public void onReceive(Context context, Intent intent) { 8684 final Message msg = mHandler 8685 .obtainMessage(CHECK_PENDING_VERIFICATION); 8686 msg.arg1 = verificationId; 8687 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8688 } 8689 }, null, 0, null, null); 8690 8691 /* 8692 * We don't want the copy to proceed until verification 8693 * succeeds, so null out this field. 8694 */ 8695 mArgs = null; 8696 } 8697 } else { 8698 /* 8699 * No package verification is enabled, so immediately start 8700 * the remote call to initiate copy using temporary file. 8701 */ 8702 ret = args.copyApk(mContainerService, true); 8703 } 8704 } 8705 8706 mRet = ret; 8707 } 8708 8709 @Override 8710 void handleReturnCode() { 8711 // If mArgs is null, then MCS couldn't be reached. When it 8712 // reconnects, it will try again to install. At that point, this 8713 // will succeed. 8714 if (mArgs != null) { 8715 processPendingInstall(mArgs, mRet); 8716 } 8717 } 8718 8719 @Override 8720 void handleServiceError() { 8721 mArgs = createInstallArgs(this); 8722 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8723 } 8724 8725 public boolean isForwardLocked() { 8726 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8727 } 8728 } 8729 8730 /* 8731 * Utility class used in movePackage api. 8732 * srcArgs and targetArgs are not set for invalid flags and make 8733 * sure to do null checks when invoking methods on them. 8734 * We probably want to return ErrorPrams for both failed installs 8735 * and moves. 8736 */ 8737 class MoveParams extends HandlerParams { 8738 final IPackageMoveObserver observer; 8739 final int flags; 8740 final String packageName; 8741 final InstallArgs srcArgs; 8742 final InstallArgs targetArgs; 8743 int uid; 8744 int mRet; 8745 8746 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8747 String packageName, String instructionSet, int uid, UserHandle user) { 8748 super(user); 8749 this.srcArgs = srcArgs; 8750 this.observer = observer; 8751 this.flags = flags; 8752 this.packageName = packageName; 8753 this.uid = uid; 8754 if (srcArgs != null) { 8755 final String codePath = srcArgs.getCodePath(); 8756 targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName, 8757 instructionSet); 8758 } else { 8759 targetArgs = null; 8760 } 8761 } 8762 8763 @Override 8764 public String toString() { 8765 return "MoveParams{" 8766 + Integer.toHexString(System.identityHashCode(this)) 8767 + " " + packageName + "}"; 8768 } 8769 8770 public void handleStartCopy() throws RemoteException { 8771 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8772 // Check for storage space on target medium 8773 if (!targetArgs.checkFreeStorage(mContainerService)) { 8774 Log.w(TAG, "Insufficient storage to install"); 8775 return; 8776 } 8777 8778 mRet = srcArgs.doPreCopy(); 8779 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8780 return; 8781 } 8782 8783 mRet = targetArgs.copyApk(mContainerService, false); 8784 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8785 srcArgs.doPostCopy(uid); 8786 return; 8787 } 8788 8789 mRet = srcArgs.doPostCopy(uid); 8790 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8791 return; 8792 } 8793 8794 mRet = targetArgs.doPreInstall(mRet); 8795 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8796 return; 8797 } 8798 8799 if (DEBUG_SD_INSTALL) { 8800 StringBuilder builder = new StringBuilder(); 8801 if (srcArgs != null) { 8802 builder.append("src: "); 8803 builder.append(srcArgs.getCodePath()); 8804 } 8805 if (targetArgs != null) { 8806 builder.append(" target : "); 8807 builder.append(targetArgs.getCodePath()); 8808 } 8809 Log.i(TAG, builder.toString()); 8810 } 8811 } 8812 8813 @Override 8814 void handleReturnCode() { 8815 targetArgs.doPostInstall(mRet, uid); 8816 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8817 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8818 currentStatus = PackageManager.MOVE_SUCCEEDED; 8819 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8820 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8821 } 8822 processPendingMove(this, currentStatus); 8823 } 8824 8825 @Override 8826 void handleServiceError() { 8827 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8828 } 8829 } 8830 8831 /** 8832 * Used during creation of InstallArgs 8833 * 8834 * @param flags package installation flags 8835 * @return true if should be installed on external storage 8836 */ 8837 private static boolean installOnSd(int flags) { 8838 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8839 return false; 8840 } 8841 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8842 return true; 8843 } 8844 return false; 8845 } 8846 8847 /** 8848 * Used during creation of InstallArgs 8849 * 8850 * @param flags package installation flags 8851 * @return true if should be installed as forward locked 8852 */ 8853 private static boolean installForwardLocked(int flags) { 8854 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8855 } 8856 8857 private InstallArgs createInstallArgs(InstallParams params) { 8858 // TODO: extend to support incoming zero-copy locations 8859 8860 if (installOnSd(params.flags) || params.isForwardLocked()) { 8861 return new AsecInstallArgs(params); 8862 } else { 8863 return new FileInstallArgs(params); 8864 } 8865 } 8866 8867 /** 8868 * Create args that describe an existing installed package. Typically used 8869 * when cleaning up old installs, or used as a move source. 8870 */ 8871 private InstallArgs createInstallArgsForExisting(int flags, String codePath, 8872 String resourcePath, String nativeLibraryPath, String instructionSet) { 8873 final boolean isInAsec; 8874 if (installOnSd(flags)) { 8875 /* Apps on SD card are always in ASEC containers. */ 8876 isInAsec = true; 8877 } else if (installForwardLocked(flags) 8878 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8879 /* 8880 * Forward-locked apps are only in ASEC containers if they're the 8881 * new style 8882 */ 8883 isInAsec = true; 8884 } else { 8885 isInAsec = false; 8886 } 8887 8888 if (isInAsec) { 8889 return new AsecInstallArgs(codePath, resourcePath, nativeLibraryPath, 8890 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8891 } else { 8892 return new FileInstallArgs(codePath, resourcePath, nativeLibraryPath, instructionSet); 8893 } 8894 } 8895 8896 private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName, 8897 String instructionSet) { 8898 final File codeFile = new File(codePath); 8899 if (installOnSd(flags) || installForwardLocked(flags)) { 8900 String cid = getNextCodePath(codePath, pkgName, "/" 8901 + AsecInstallArgs.RES_FILE_NAME); 8902 return new AsecInstallArgs(codeFile, cid, instructionSet, installOnSd(flags), 8903 installForwardLocked(flags)); 8904 } else { 8905 return new FileInstallArgs(codeFile, instructionSet); 8906 } 8907 } 8908 8909 static abstract class InstallArgs { 8910 /** @see InstallParams#originFile */ 8911 final File originFile; 8912 /** @see InstallParams#originTrusted */ 8913 final boolean originTrusted; 8914 8915 // TODO: define inherit location 8916 8917 final IPackageInstallObserver2 observer; 8918 // Always refers to PackageManager flags only 8919 final int flags; 8920 final String installerPackageName; 8921 final ManifestDigest manifestDigest; 8922 final UserHandle user; 8923 final String instructionSet; 8924 final String abiOverride; 8925 8926 InstallArgs(File originFile, boolean originTrusted, IPackageInstallObserver2 observer, 8927 int flags, String installerPackageName, ManifestDigest manifestDigest, 8928 UserHandle user, String instructionSet, String abiOverride) { 8929 this.originFile = originFile; 8930 this.originTrusted = originTrusted; 8931 this.flags = flags; 8932 this.observer = observer; 8933 this.installerPackageName = installerPackageName; 8934 this.manifestDigest = manifestDigest; 8935 this.user = user; 8936 this.instructionSet = instructionSet; 8937 this.abiOverride = abiOverride; 8938 } 8939 8940 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8941 abstract int doPreInstall(int status); 8942 8943 /** 8944 * Rename package into final resting place. All paths on the given 8945 * scanned package should be updated to reflect the rename. 8946 */ 8947 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 8948 abstract int doPostInstall(int status, int uid); 8949 8950 /** @see PackageSettingBase#codePathString */ 8951 abstract String getCodePath(); 8952 /** @see PackageSettingBase#resourcePathString */ 8953 abstract String getResourcePath(); 8954 /** @see PackageSettingBase#nativeLibraryPathString */ 8955 abstract String getNativeLibraryPath(); 8956 8957 // Need installer lock especially for dex file removal. 8958 abstract void cleanUpResourcesLI(); 8959 abstract boolean doPostDeleteLI(boolean delete); 8960 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8961 8962 /** 8963 * Called before the source arguments are copied. This is used mostly 8964 * for MoveParams when it needs to read the source file to put it in the 8965 * destination. 8966 */ 8967 int doPreCopy() { 8968 return PackageManager.INSTALL_SUCCEEDED; 8969 } 8970 8971 /** 8972 * Called after the source arguments are copied. This is used mostly for 8973 * MoveParams when it needs to read the source file to put it in the 8974 * destination. 8975 * 8976 * @return 8977 */ 8978 int doPostCopy(int uid) { 8979 return PackageManager.INSTALL_SUCCEEDED; 8980 } 8981 8982 protected boolean isFwdLocked() { 8983 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8984 } 8985 8986 UserHandle getUser() { 8987 return user; 8988 } 8989 } 8990 8991 /** 8992 * Logic to handle installation of non-ASEC applications, including copying 8993 * and renaming logic. 8994 */ 8995 class FileInstallArgs extends InstallArgs { 8996 private File codeFile; 8997 private File resourceFile; 8998 private File nativeLibraryFile; 8999 9000 // Example topology: 9001 // /data/app/com.example/base.apk 9002 // /data/app/com.example/split_foo.apk 9003 // /data/app/com.example/lib/arm/libfoo.so 9004 // /data/app/com.example/lib/arm64/libfoo.so 9005 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9006 9007 /** New install */ 9008 FileInstallArgs(InstallParams params) { 9009 super(params.originFile, params.originTrusted, params.observer, params.flags, 9010 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9011 params.packageInstructionSetOverride, params.packageAbiOverride); 9012 if (isFwdLocked()) { 9013 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9014 } 9015 } 9016 9017 /** Existing install */ 9018 FileInstallArgs(String codePath, String resourcePath, String nativeLibraryPath, 9019 String instructionSet) { 9020 super(null, false, null, 0, null, null, null, instructionSet, null); 9021 this.codeFile = (codePath != null) ? new File(codePath) : null; 9022 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9023 this.nativeLibraryFile = (nativeLibraryPath != null) ? new File(nativeLibraryPath) : null; 9024 } 9025 9026 /** New install from existing */ 9027 FileInstallArgs(File originFile, String instructionSet) { 9028 super(originFile, true, null, 0, null, null, null, instructionSet, null); 9029 } 9030 9031 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9032 final long lowThreshold; 9033 9034 final DeviceStorageMonitorInternal 9035 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9036 if (dsm == null) { 9037 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9038 lowThreshold = 0L; 9039 } else { 9040 if (dsm.isMemoryLow()) { 9041 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9042 return false; 9043 } 9044 9045 lowThreshold = dsm.getMemoryLowThreshold(); 9046 } 9047 9048 return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9049 lowThreshold); 9050 } 9051 9052 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9053 try { 9054 final File tempDir = createTempPackageDir(mAppInstallDir); 9055 codeFile = tempDir; 9056 resourceFile = tempDir; 9057 } catch (IOException e) { 9058 Slog.w(TAG, "Failed to create copy file: " + e); 9059 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9060 } 9061 9062 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9063 @Override 9064 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9065 if (!FileUtils.isValidExtFilename(name)) { 9066 throw new IllegalArgumentException("Invalid filename: " + name); 9067 } 9068 try { 9069 final File file = new File(codeFile, name); 9070 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9071 O_RDWR | O_CREAT, 0644); 9072 Os.chmod(file.getAbsolutePath(), 0644); 9073 return new ParcelFileDescriptor(fd); 9074 } catch (ErrnoException e) { 9075 throw new RemoteException("Failed to open: " + e.getMessage()); 9076 } 9077 } 9078 }; 9079 9080 int ret = imcs.copyPackage(originFile.getAbsolutePath(), target); 9081 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9082 Slog.e(TAG, "Failed to copy package"); 9083 return ret; 9084 } 9085 9086 String[] abiList = (abiOverride != null) ? 9087 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9088 NativeLibraryHelper.Handle handle = null; 9089 try { 9090 handle = NativeLibraryHelper.Handle.create(codeFile); 9091 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9092 abiOverride == null && 9093 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9094 abiList = Build.SUPPORTED_32_BIT_ABIS; 9095 } 9096 9097 // TODO: refactor to avoid double findSupportedAbi() 9098 final int abiIndex = NativeLibraryHelper.findSupportedAbi(handle, abiList); 9099 if (abiIndex < 0 && abiIndex != PackageManager.NO_NATIVE_LIBRARIES) { 9100 return abiIndex; 9101 } else if (abiIndex >= 0) { 9102 final File baseLibFile = new File(codeFile, LIB_DIR_NAME); 9103 baseLibFile.mkdir(); 9104 Os.chmod(baseLibFile.getAbsolutePath(), 0755); 9105 9106 final String abi = Build.SUPPORTED_ABIS[abiIndex]; 9107 final String instructionSet = VMRuntime.getInstructionSet(abi); 9108 nativeLibraryFile = new File(baseLibFile, instructionSet); 9109 nativeLibraryFile.mkdir(); 9110 Os.chmod(nativeLibraryFile.getAbsolutePath(), 0755); 9111 9112 copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9113 } 9114 } catch (IOException | ErrnoException e) { 9115 Slog.e(TAG, "Copying native libraries failed", e); 9116 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9117 } finally { 9118 IoUtils.closeQuietly(handle); 9119 } 9120 9121 return ret; 9122 } 9123 9124 int doPreInstall(int status) { 9125 if (status != PackageManager.INSTALL_SUCCEEDED) { 9126 cleanUp(); 9127 } 9128 return status; 9129 } 9130 9131 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9132 if (status != PackageManager.INSTALL_SUCCEEDED) { 9133 cleanUp(); 9134 return false; 9135 } else { 9136 final File beforeCodeFile = codeFile; 9137 final File afterCodeFile = new File(mAppInstallDir, 9138 getNextCodePath(oldCodePath, pkg.packageName, null)); 9139 9140 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9141 if (!beforeCodeFile.renameTo(afterCodeFile)) { 9142 return false; 9143 } 9144 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9145 return false; 9146 } 9147 9148 // Reflect the rename internally 9149 codeFile = afterCodeFile; 9150 resourceFile = afterCodeFile; 9151 nativeLibraryFile = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9152 nativeLibraryFile); 9153 9154 // Reflect the rename in scanned details 9155 pkg.codePath = afterCodeFile.getAbsolutePath(); 9156 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9157 pkg.baseCodePath); 9158 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9159 pkg.splitCodePaths); 9160 9161 // Reflect the rename in app info 9162 pkg.applicationInfo.setCodePath(pkg.codePath); 9163 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9164 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9165 pkg.applicationInfo.setResourcePath(pkg.codePath); 9166 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9167 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9168 pkg.applicationInfo.nativeLibraryDir = getNativeLibraryPath(); 9169 9170 return true; 9171 } 9172 } 9173 9174 int doPostInstall(int status, int uid) { 9175 if (status != PackageManager.INSTALL_SUCCEEDED) { 9176 cleanUp(); 9177 } 9178 return status; 9179 } 9180 9181 @Override 9182 String getCodePath() { 9183 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9184 } 9185 9186 @Override 9187 String getResourcePath() { 9188 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9189 } 9190 9191 @Override 9192 String getNativeLibraryPath() { 9193 return (nativeLibraryFile != null) ? nativeLibraryFile.getAbsolutePath() : null; 9194 } 9195 9196 private boolean cleanUp() { 9197 if (codeFile == null || !codeFile.exists()) { 9198 return false; 9199 } 9200 9201 if (codeFile.isDirectory()) { 9202 FileUtils.deleteContents(codeFile); 9203 } 9204 codeFile.delete(); 9205 9206 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9207 resourceFile.delete(); 9208 } 9209 9210 if (nativeLibraryFile != null && !FileUtils.contains(codeFile, nativeLibraryFile)) { 9211 FileUtils.deleteContents(nativeLibraryFile); 9212 nativeLibraryFile.delete(); 9213 } 9214 9215 return true; 9216 } 9217 9218 void cleanUpResourcesLI() { 9219 // Try enumerating all code paths before deleting 9220 List<String> allCodePaths = Collections.EMPTY_LIST; 9221 if (codeFile != null && codeFile.exists()) { 9222 try { 9223 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9224 allCodePaths = pkg.getAllCodePaths(); 9225 } catch (PackageParserException e) { 9226 // Ignored; we tried our best 9227 } 9228 } 9229 9230 cleanUp(); 9231 9232 if (!allCodePaths.isEmpty()) { 9233 if (instructionSet == null) { 9234 throw new IllegalStateException("instructionSet == null"); 9235 } 9236 9237 for (String codePath : allCodePaths) { 9238 int retCode = mInstaller.rmdex(codePath, instructionSet); 9239 if (retCode < 0) { 9240 Slog.w(TAG, "Couldn't remove dex file for package: " 9241 + " at location " + codePath + ", retcode=" + retCode); 9242 // we don't consider this to be a failure of the core package deletion 9243 } 9244 } 9245 } 9246 } 9247 9248 boolean doPostDeleteLI(boolean delete) { 9249 // XXX err, shouldn't we respect the delete flag? 9250 cleanUpResourcesLI(); 9251 return true; 9252 } 9253 } 9254 9255 private boolean isAsecExternal(String cid) { 9256 final String asecPath = PackageHelper.getSdFilesystem(cid); 9257 return !asecPath.startsWith(mAsecInternalPath); 9258 } 9259 9260 /** 9261 * Extract the MountService "container ID" from the full code path of an 9262 * .apk. 9263 */ 9264 static String cidFromCodePath(String fullCodePath) { 9265 int eidx = fullCodePath.lastIndexOf("/"); 9266 String subStr1 = fullCodePath.substring(0, eidx); 9267 int sidx = subStr1.lastIndexOf("/"); 9268 return subStr1.substring(sidx+1, eidx); 9269 } 9270 9271 /** 9272 * Logic to handle installation of ASEC applications, including copying and 9273 * renaming logic. 9274 */ 9275 class AsecInstallArgs extends InstallArgs { 9276 // TODO: teach about handling cluster directories 9277 9278 static final String RES_FILE_NAME = "pkg.apk"; 9279 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9280 9281 String cid; 9282 String packagePath; 9283 String resourcePath; 9284 String libraryPath; 9285 9286 /** New install */ 9287 AsecInstallArgs(InstallParams params) { 9288 super(params.originFile, params.originTrusted, params.observer, params.flags, 9289 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9290 params.packageInstructionSetOverride, params.packageAbiOverride); 9291 } 9292 9293 /** Existing install */ 9294 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9295 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9296 super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0) 9297 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9298 instructionSet, null); 9299 // Extract cid from fullCodePath 9300 int eidx = fullCodePath.lastIndexOf("/"); 9301 String subStr1 = fullCodePath.substring(0, eidx); 9302 int sidx = subStr1.lastIndexOf("/"); 9303 cid = subStr1.substring(sidx+1, eidx); 9304 setCachePath(subStr1); 9305 } 9306 9307 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9308 super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9309 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9310 instructionSet, null); 9311 this.cid = cid; 9312 setCachePath(PackageHelper.getSdDir(cid)); 9313 } 9314 9315 /** New install from existing */ 9316 AsecInstallArgs(File originPackageFile, String cid, String instructionSet, 9317 boolean isExternal, boolean isForwardLocked) { 9318 super(originPackageFile, true, null, (isExternal ? INSTALL_EXTERNAL : 0) 9319 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9320 instructionSet, null); 9321 this.cid = cid; 9322 } 9323 9324 void createCopyFile() { 9325 cid = getTempContainerId(); 9326 } 9327 9328 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9329 return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(), 9330 abiOverride); 9331 } 9332 9333 private final boolean isExternal() { 9334 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9335 } 9336 9337 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9338 if (temp) { 9339 createCopyFile(); 9340 } else { 9341 /* 9342 * Pre-emptively destroy the container since it's destroyed if 9343 * copying fails due to it existing anyway. 9344 */ 9345 PackageHelper.destroySdDir(cid); 9346 } 9347 9348 final String newCachePath = imcs.copyPackageToContainer( 9349 originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9350 isFwdLocked(), abiOverride); 9351 9352 if (newCachePath != null) { 9353 setCachePath(newCachePath); 9354 return PackageManager.INSTALL_SUCCEEDED; 9355 } else { 9356 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9357 } 9358 } 9359 9360 @Override 9361 String getCodePath() { 9362 return packagePath; 9363 } 9364 9365 @Override 9366 String getResourcePath() { 9367 return resourcePath; 9368 } 9369 9370 @Override 9371 String getNativeLibraryPath() { 9372 return libraryPath; 9373 } 9374 9375 int doPreInstall(int status) { 9376 if (status != PackageManager.INSTALL_SUCCEEDED) { 9377 // Destroy container 9378 PackageHelper.destroySdDir(cid); 9379 } else { 9380 boolean mounted = PackageHelper.isContainerMounted(cid); 9381 if (!mounted) { 9382 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9383 Process.SYSTEM_UID); 9384 if (newCachePath != null) { 9385 setCachePath(newCachePath); 9386 } else { 9387 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9388 } 9389 } 9390 } 9391 return status; 9392 } 9393 9394 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9395 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9396 String newCachePath = null; 9397 if (PackageHelper.isContainerMounted(cid)) { 9398 // Unmount the container 9399 if (!PackageHelper.unMountSdDir(cid)) { 9400 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9401 return false; 9402 } 9403 } 9404 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9405 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9406 " which might be stale. Will try to clean up."); 9407 // Clean up the stale container and proceed to recreate. 9408 if (!PackageHelper.destroySdDir(newCacheId)) { 9409 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9410 return false; 9411 } 9412 // Successfully cleaned up stale container. Try to rename again. 9413 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9414 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9415 + " inspite of cleaning it up."); 9416 return false; 9417 } 9418 } 9419 if (!PackageHelper.isContainerMounted(newCacheId)) { 9420 Slog.w(TAG, "Mounting container " + newCacheId); 9421 newCachePath = PackageHelper.mountSdDir(newCacheId, 9422 getEncryptKey(), Process.SYSTEM_UID); 9423 } else { 9424 newCachePath = PackageHelper.getSdDir(newCacheId); 9425 } 9426 if (newCachePath == null) { 9427 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9428 return false; 9429 } 9430 Log.i(TAG, "Succesfully renamed " + cid + 9431 " to " + newCacheId + 9432 " at new path: " + newCachePath); 9433 cid = newCacheId; 9434 setCachePath(newCachePath); 9435 9436 // TODO: extend to support split APKs 9437 pkg.codePath = getCodePath(); 9438 pkg.baseCodePath = getCodePath(); 9439 pkg.splitCodePaths = null; 9440 9441 pkg.applicationInfo.setCodePath(getCodePath()); 9442 pkg.applicationInfo.setBaseCodePath(getCodePath()); 9443 pkg.applicationInfo.setSplitCodePaths(null); 9444 pkg.applicationInfo.setResourcePath(getResourcePath()); 9445 pkg.applicationInfo.setBaseResourcePath(getResourcePath()); 9446 pkg.applicationInfo.setSplitResourcePaths(null); 9447 pkg.applicationInfo.nativeLibraryDir = getNativeLibraryPath(); 9448 9449 return true; 9450 } 9451 9452 private void setCachePath(String newCachePath) { 9453 File cachePath = new File(newCachePath); 9454 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9455 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9456 9457 if (isFwdLocked()) { 9458 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9459 } else { 9460 resourcePath = packagePath; 9461 } 9462 } 9463 9464 int doPostInstall(int status, int uid) { 9465 if (status != PackageManager.INSTALL_SUCCEEDED) { 9466 cleanUp(); 9467 } else { 9468 final int groupOwner; 9469 final String protectedFile; 9470 if (isFwdLocked()) { 9471 groupOwner = UserHandle.getSharedAppGid(uid); 9472 protectedFile = RES_FILE_NAME; 9473 } else { 9474 groupOwner = -1; 9475 protectedFile = null; 9476 } 9477 9478 if (uid < Process.FIRST_APPLICATION_UID 9479 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9480 Slog.e(TAG, "Failed to finalize " + cid); 9481 PackageHelper.destroySdDir(cid); 9482 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9483 } 9484 9485 boolean mounted = PackageHelper.isContainerMounted(cid); 9486 if (!mounted) { 9487 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9488 } 9489 } 9490 return status; 9491 } 9492 9493 private void cleanUp() { 9494 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9495 9496 // Destroy secure container 9497 PackageHelper.destroySdDir(cid); 9498 } 9499 9500 void cleanUpResourcesLI() { 9501 String sourceFile = getCodePath(); 9502 // Remove dex file 9503 if (instructionSet == null) { 9504 throw new IllegalStateException("instructionSet == null"); 9505 } 9506 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9507 if (retCode < 0) { 9508 Slog.w(TAG, "Couldn't remove dex file for package: " 9509 + " at location " 9510 + sourceFile.toString() + ", retcode=" + retCode); 9511 // we don't consider this to be a failure of the core package deletion 9512 } 9513 cleanUp(); 9514 } 9515 9516 boolean matchContainer(String app) { 9517 if (cid.startsWith(app)) { 9518 return true; 9519 } 9520 return false; 9521 } 9522 9523 String getPackageName() { 9524 return getAsecPackageName(cid); 9525 } 9526 9527 boolean doPostDeleteLI(boolean delete) { 9528 boolean ret = false; 9529 boolean mounted = PackageHelper.isContainerMounted(cid); 9530 if (mounted) { 9531 // Unmount first 9532 ret = PackageHelper.unMountSdDir(cid); 9533 } 9534 if (ret && delete) { 9535 cleanUpResourcesLI(); 9536 } 9537 return ret; 9538 } 9539 9540 @Override 9541 int doPreCopy() { 9542 if (isFwdLocked()) { 9543 if (!PackageHelper.fixSdPermissions(cid, 9544 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9545 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9546 } 9547 } 9548 9549 return PackageManager.INSTALL_SUCCEEDED; 9550 } 9551 9552 @Override 9553 int doPostCopy(int uid) { 9554 if (isFwdLocked()) { 9555 if (uid < Process.FIRST_APPLICATION_UID 9556 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9557 RES_FILE_NAME)) { 9558 Slog.e(TAG, "Failed to finalize " + cid); 9559 PackageHelper.destroySdDir(cid); 9560 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9561 } 9562 } 9563 9564 return PackageManager.INSTALL_SUCCEEDED; 9565 } 9566 } 9567 9568 static String getAsecPackageName(String packageCid) { 9569 int idx = packageCid.lastIndexOf("-"); 9570 if (idx == -1) { 9571 return packageCid; 9572 } 9573 return packageCid.substring(0, idx); 9574 } 9575 9576 // Utility method used to create code paths based on package name and available index. 9577 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9578 String idxStr = ""; 9579 int idx = 1; 9580 // Fall back to default value of idx=1 if prefix is not 9581 // part of oldCodePath 9582 if (oldCodePath != null) { 9583 String subStr = oldCodePath; 9584 // Drop the suffix right away 9585 if (suffix != null && subStr.endsWith(suffix)) { 9586 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9587 } 9588 // If oldCodePath already contains prefix find out the 9589 // ending index to either increment or decrement. 9590 int sidx = subStr.lastIndexOf(prefix); 9591 if (sidx != -1) { 9592 subStr = subStr.substring(sidx + prefix.length()); 9593 if (subStr != null) { 9594 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9595 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9596 } 9597 try { 9598 idx = Integer.parseInt(subStr); 9599 if (idx <= 1) { 9600 idx++; 9601 } else { 9602 idx--; 9603 } 9604 } catch(NumberFormatException e) { 9605 } 9606 } 9607 } 9608 } 9609 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9610 return prefix + idxStr; 9611 } 9612 9613 // Utility method used to ignore ADD/REMOVE events 9614 // by directory observer. 9615 private static boolean ignoreCodePath(String fullPathStr) { 9616 String apkName = deriveCodePathName(fullPathStr); 9617 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9618 if (idx != -1 && ((idx+1) < apkName.length())) { 9619 // Make sure the package ends with a numeral 9620 String version = apkName.substring(idx+1); 9621 try { 9622 Integer.parseInt(version); 9623 return true; 9624 } catch (NumberFormatException e) {} 9625 } 9626 return false; 9627 } 9628 9629 // Utility method that returns the relative package path with respect 9630 // to the installation directory. Like say for /data/data/com.test-1.apk 9631 // string com.test-1 is returned. 9632 static String deriveCodePathName(String codePath) { 9633 if (codePath == null) { 9634 return null; 9635 } 9636 final File codeFile = new File(codePath); 9637 final String name = codeFile.getName(); 9638 if (codeFile.isDirectory()) { 9639 return name; 9640 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9641 final int lastDot = name.lastIndexOf('.'); 9642 return name.substring(0, lastDot); 9643 } else { 9644 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9645 return null; 9646 } 9647 } 9648 9649 class PackageInstalledInfo { 9650 String name; 9651 int uid; 9652 // The set of users that originally had this package installed. 9653 int[] origUsers; 9654 // The set of users that now have this package installed. 9655 int[] newUsers; 9656 PackageParser.Package pkg; 9657 int returnCode; 9658 PackageRemovedInfo removedInfo; 9659 9660 // In some error cases we want to convey more info back to the observer 9661 String origPackage; 9662 String origPermission; 9663 } 9664 9665 /* 9666 * Install a non-existing package. 9667 */ 9668 private void installNewPackageLI(PackageParser.Package pkg, 9669 int parseFlags, int scanMode, UserHandle user, 9670 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9671 // Remember this for later, in case we need to rollback this install 9672 String pkgName = pkg.packageName; 9673 9674 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9675 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9676 synchronized(mPackages) { 9677 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9678 // A package with the same name is already installed, though 9679 // it has been renamed to an older name. The package we 9680 // are trying to install should be installed as an update to 9681 // the existing one, but that has not been requested, so bail. 9682 Slog.w(TAG, "Attempt to re-install " + pkgName 9683 + " without first uninstalling package running as " 9684 + mSettings.mRenamedPackages.get(pkgName)); 9685 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9686 return; 9687 } 9688 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9689 // Don't allow installation over an existing package with the same name. 9690 Slog.w(TAG, "Attempt to re-install " + pkgName 9691 + " without first uninstalling."); 9692 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9693 return; 9694 } 9695 } 9696 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9697 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9698 System.currentTimeMillis(), user, abiOverride); 9699 if (newPackage == null) { 9700 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9701 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9702 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9703 } 9704 } else { 9705 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9706 // delete the partially installed application. the data directory will have to be 9707 // restored if it was already existing 9708 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9709 // remove package from internal structures. Note that we want deletePackageX to 9710 // delete the package data and cache directories that it created in 9711 // scanPackageLocked, unless those directories existed before we even tried to 9712 // install. 9713 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9714 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9715 res.removedInfo, true); 9716 } 9717 } 9718 } 9719 9720 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 9721 // Upgrade keysets are being used. Determine if new package has a superset of the 9722 // required keys. 9723 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 9724 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9725 Set<Long> newSigningKeyIds = new ArraySet<Long>(); 9726 for (PublicKey pk : newPkg.mSigningKeys) { 9727 newSigningKeyIds.add(ksms.getIdForPublicKey(pk)); 9728 } 9729 //remove PUBLIC_KEY_NOT_FOUND, although not necessary 9730 newSigningKeyIds.remove(ksms.PUBLIC_KEY_NOT_FOUND); 9731 for (int i = 0; i < upgradeKeySets.length; i++) { 9732 if (newSigningKeyIds.containsAll(ksms.mKeySetMapping.get(upgradeKeySets[i]))) { 9733 return true; 9734 } 9735 } 9736 return false; 9737 } 9738 9739 private void replacePackageLI(PackageParser.Package pkg, 9740 int parseFlags, int scanMode, UserHandle user, 9741 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9742 PackageParser.Package oldPackage; 9743 String pkgName = pkg.packageName; 9744 int[] allUsers; 9745 boolean[] perUserInstalled; 9746 9747 // First find the old package info and check signatures 9748 synchronized(mPackages) { 9749 oldPackage = mPackages.get(pkgName); 9750 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9751 PackageSetting ps = mSettings.mPackages.get(pkgName); 9752 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 9753 // default to original signature matching 9754 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9755 != PackageManager.SIGNATURE_MATCH) { 9756 Slog.w(TAG, "New package has a different signature: " + pkgName); 9757 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9758 return; 9759 } 9760 } else { 9761 if(!checkUpgradeKeySetLP(ps, pkg)) { 9762 Slog.w(TAG, "New package not signed by keys specified by upgrade-keysets: " 9763 + pkgName); 9764 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9765 return; 9766 } 9767 } 9768 9769 // In case of rollback, remember per-user/profile install state 9770 allUsers = sUserManager.getUserIds(); 9771 perUserInstalled = new boolean[allUsers.length]; 9772 for (int i = 0; i < allUsers.length; i++) { 9773 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9774 } 9775 } 9776 boolean sysPkg = (isSystemApp(oldPackage)); 9777 if (sysPkg) { 9778 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9779 user, allUsers, perUserInstalled, installerPackageName, res, 9780 abiOverride); 9781 } else { 9782 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9783 user, allUsers, perUserInstalled, installerPackageName, res, 9784 abiOverride); 9785 } 9786 } 9787 9788 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9789 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9790 int[] allUsers, boolean[] perUserInstalled, 9791 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9792 PackageParser.Package newPackage = null; 9793 String pkgName = deletedPackage.packageName; 9794 boolean deletedPkg = true; 9795 boolean updatedSettings = false; 9796 9797 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9798 + deletedPackage); 9799 long origUpdateTime; 9800 if (pkg.mExtras != null) { 9801 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9802 } else { 9803 origUpdateTime = 0; 9804 } 9805 9806 // First delete the existing package while retaining the data directory 9807 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9808 res.removedInfo, true)) { 9809 // If the existing package wasn't successfully deleted 9810 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9811 deletedPkg = false; 9812 } else { 9813 // Successfully deleted the old package. Now proceed with re-installation 9814 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9815 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9816 System.currentTimeMillis(), user, abiOverride); 9817 if (newPackage == null) { 9818 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9819 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9820 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9821 } 9822 } else { 9823 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9824 updatedSettings = true; 9825 } 9826 } 9827 9828 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9829 // remove package from internal structures. Note that we want deletePackageX to 9830 // delete the package data and cache directories that it created in 9831 // scanPackageLocked, unless those directories existed before we even tried to 9832 // install. 9833 if(updatedSettings) { 9834 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9835 deletePackageLI( 9836 pkgName, null, true, allUsers, perUserInstalled, 9837 PackageManager.DELETE_KEEP_DATA, 9838 res.removedInfo, true); 9839 } 9840 // Since we failed to install the new package we need to restore the old 9841 // package that we deleted. 9842 if (deletedPkg) { 9843 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9844 File restoreFile = new File(deletedPackage.codePath); 9845 // Parse old package 9846 boolean oldOnSd = isExternal(deletedPackage); 9847 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9848 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9849 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9850 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9851 | SCAN_UPDATE_TIME; 9852 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9853 origUpdateTime, null, null) == null) { 9854 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9855 return; 9856 } 9857 // Restore of old package succeeded. Update permissions. 9858 // writer 9859 synchronized (mPackages) { 9860 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9861 UPDATE_PERMISSIONS_ALL); 9862 // can downgrade to reader 9863 mSettings.writeLPr(); 9864 } 9865 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9866 } 9867 } 9868 } 9869 9870 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9871 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9872 int[] allUsers, boolean[] perUserInstalled, 9873 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9874 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9875 + ", old=" + deletedPackage); 9876 PackageParser.Package newPackage = null; 9877 boolean updatedSettings = false; 9878 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9879 PackageParser.PARSE_IS_SYSTEM; 9880 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9881 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9882 } 9883 String packageName = deletedPackage.packageName; 9884 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9885 if (packageName == null) { 9886 Slog.w(TAG, "Attempt to delete null packageName."); 9887 return; 9888 } 9889 PackageParser.Package oldPkg; 9890 PackageSetting oldPkgSetting; 9891 // reader 9892 synchronized (mPackages) { 9893 oldPkg = mPackages.get(packageName); 9894 oldPkgSetting = mSettings.mPackages.get(packageName); 9895 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9896 (oldPkgSetting == null)) { 9897 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9898 return; 9899 } 9900 } 9901 9902 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9903 9904 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9905 res.removedInfo.removedPackage = packageName; 9906 // Remove existing system package 9907 removePackageLI(oldPkgSetting, true); 9908 // writer 9909 synchronized (mPackages) { 9910 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9911 // We didn't need to disable the .apk as a current system package, 9912 // which means we are replacing another update that is already 9913 // installed. We need to make sure to delete the older one's .apk. 9914 res.removedInfo.args = createInstallArgsForExisting(0, 9915 deletedPackage.applicationInfo.getCodePath(), 9916 deletedPackage.applicationInfo.getResourcePath(), 9917 deletedPackage.applicationInfo.nativeLibraryDir, 9918 getAppInstructionSet(deletedPackage.applicationInfo)); 9919 } else { 9920 res.removedInfo.args = null; 9921 } 9922 } 9923 9924 // Successfully disabled the old package. Now proceed with re-installation 9925 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9926 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9927 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 9928 if (newPackage == null) { 9929 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9930 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9931 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9932 } 9933 } else { 9934 if (newPackage.mExtras != null) { 9935 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9936 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9937 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9938 9939 // is the update attempting to change shared user? that isn't going to work... 9940 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 9941 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 9942 + " to " + newPkgSetting.sharedUser); 9943 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 9944 updatedSettings = true; 9945 } 9946 } 9947 9948 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 9949 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9950 updatedSettings = true; 9951 } 9952 } 9953 9954 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9955 // Re installation failed. Restore old information 9956 // Remove new pkg information 9957 if (newPackage != null) { 9958 removeInstalledPackageLI(newPackage, true); 9959 } 9960 // Add back the old system package 9961 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 9962 // Restore the old system information in Settings 9963 synchronized(mPackages) { 9964 if (updatedSettings) { 9965 mSettings.enableSystemPackageLPw(packageName); 9966 mSettings.setInstallerPackageName(packageName, 9967 oldPkgSetting.installerPackageName); 9968 } 9969 mSettings.writeLPr(); 9970 } 9971 } 9972 } 9973 9974 // Utility method used to move dex files during install. 9975 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 9976 // TODO: extend to move split APK dex files 9977 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9978 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 9979 int retCode = mInstaller.movedex(oldCodePath, newPackage.baseCodePath, 9980 instructionSet); 9981 if (retCode != 0) { 9982 /* 9983 * Programs may be lazily run through dexopt, so the 9984 * source may not exist. However, something seems to 9985 * have gone wrong, so note that dexopt needs to be 9986 * run again and remove the source file. In addition, 9987 * remove the target to make sure there isn't a stale 9988 * file from a previous version of the package. 9989 */ 9990 newPackage.mDexOptNeeded = true; 9991 mInstaller.rmdex(oldCodePath, instructionSet); 9992 mInstaller.rmdex(newPackage.baseCodePath, instructionSet); 9993 } 9994 } 9995 return PackageManager.INSTALL_SUCCEEDED; 9996 } 9997 9998 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9999 int[] allUsers, boolean[] perUserInstalled, 10000 PackageInstalledInfo res) { 10001 String pkgName = newPackage.packageName; 10002 synchronized (mPackages) { 10003 //write settings. the installStatus will be incomplete at this stage. 10004 //note that the new package setting would have already been 10005 //added to mPackages. It hasn't been persisted yet. 10006 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10007 mSettings.writeLPr(); 10008 } 10009 10010 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10011 10012 synchronized (mPackages) { 10013 updatePermissionsLPw(newPackage.packageName, newPackage, 10014 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10015 ? UPDATE_PERMISSIONS_ALL : 0)); 10016 // For system-bundled packages, we assume that installing an upgraded version 10017 // of the package implies that the user actually wants to run that new code, 10018 // so we enable the package. 10019 if (isSystemApp(newPackage)) { 10020 // NB: implicit assumption that system package upgrades apply to all users 10021 if (DEBUG_INSTALL) { 10022 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10023 } 10024 PackageSetting ps = mSettings.mPackages.get(pkgName); 10025 if (ps != null) { 10026 if (res.origUsers != null) { 10027 for (int userHandle : res.origUsers) { 10028 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10029 userHandle, installerPackageName); 10030 } 10031 } 10032 // Also convey the prior install/uninstall state 10033 if (allUsers != null && perUserInstalled != null) { 10034 for (int i = 0; i < allUsers.length; i++) { 10035 if (DEBUG_INSTALL) { 10036 Slog.d(TAG, " user " + allUsers[i] 10037 + " => " + perUserInstalled[i]); 10038 } 10039 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10040 } 10041 // these install state changes will be persisted in the 10042 // upcoming call to mSettings.writeLPr(). 10043 } 10044 } 10045 } 10046 res.name = pkgName; 10047 res.uid = newPackage.applicationInfo.uid; 10048 res.pkg = newPackage; 10049 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10050 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10051 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10052 //to update install status 10053 mSettings.writeLPr(); 10054 } 10055 } 10056 10057 private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) { 10058 int pFlags = args.flags; 10059 String installerPackageName = args.installerPackageName; 10060 File tmpPackageFile = new File(args.getCodePath()); 10061 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10062 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10063 boolean replace = false; 10064 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10065 | (newInstall ? SCAN_NEW_INSTALL : 0); 10066 // Result object to be returned 10067 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10068 10069 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10070 // Retrieve PackageSettings and parse package 10071 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10072 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10073 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10074 PackageParser pp = new PackageParser(); 10075 pp.setSeparateProcesses(mSeparateProcesses); 10076 pp.setDisplayMetrics(mMetrics); 10077 10078 final PackageParser.Package pkg; 10079 try { 10080 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10081 } catch (PackageParserException e) { 10082 res.returnCode = e.error; 10083 return; 10084 } 10085 10086 String pkgName = res.name = pkg.packageName; 10087 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10088 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10089 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10090 return; 10091 } 10092 } 10093 10094 try { 10095 pp.collectCertificates(pkg, parseFlags); 10096 pp.collectManifestDigest(pkg); 10097 } catch (PackageParserException e) { 10098 res.returnCode = e.error; 10099 return; 10100 } 10101 10102 /* If the installer passed in a manifest digest, compare it now. */ 10103 if (args.manifestDigest != null) { 10104 if (DEBUG_INSTALL) { 10105 final String parsedManifest = pkg.manifestDigest == null ? "null" 10106 : pkg.manifestDigest.toString(); 10107 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10108 + parsedManifest); 10109 } 10110 10111 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10112 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10113 return; 10114 } 10115 } else if (DEBUG_INSTALL) { 10116 final String parsedManifest = pkg.manifestDigest == null 10117 ? "null" : pkg.manifestDigest.toString(); 10118 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10119 } 10120 10121 // Get rid of all references to package scan path via parser. 10122 pp = null; 10123 String oldCodePath = null; 10124 boolean systemApp = false; 10125 synchronized (mPackages) { 10126 // Check whether the newly-scanned package wants to define an already-defined perm 10127 int N = pkg.permissions.size(); 10128 for (int i = N-1; i >= 0; i--) { 10129 PackageParser.Permission perm = pkg.permissions.get(i); 10130 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10131 if (bp != null) { 10132 // If the defining package is signed with our cert, it's okay. This 10133 // also includes the "updating the same package" case, of course. 10134 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10135 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10136 // If the owning package is the system itself, we log but allow 10137 // install to proceed; we fail the install on all other permission 10138 // redefinitions. 10139 if (!bp.sourcePackage.equals("android")) { 10140 Slog.w(TAG, "Package " + pkg.packageName 10141 + " attempting to redeclare permission " + perm.info.name 10142 + " already owned by " + bp.sourcePackage); 10143 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10144 res.origPermission = perm.info.name; 10145 res.origPackage = bp.sourcePackage; 10146 return; 10147 } else { 10148 Slog.w(TAG, "Package " + pkg.packageName 10149 + " attempting to redeclare system permission " 10150 + perm.info.name + "; ignoring new declaration"); 10151 pkg.permissions.remove(i); 10152 } 10153 } 10154 } 10155 } 10156 10157 // Check if installing already existing package 10158 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10159 String oldName = mSettings.mRenamedPackages.get(pkgName); 10160 if (pkg.mOriginalPackages != null 10161 && pkg.mOriginalPackages.contains(oldName) 10162 && mPackages.containsKey(oldName)) { 10163 // This package is derived from an original package, 10164 // and this device has been updating from that original 10165 // name. We must continue using the original name, so 10166 // rename the new package here. 10167 pkg.setPackageName(oldName); 10168 pkgName = pkg.packageName; 10169 replace = true; 10170 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10171 + oldName + " pkgName=" + pkgName); 10172 } else if (mPackages.containsKey(pkgName)) { 10173 // This package, under its official name, already exists 10174 // on the device; we should replace it. 10175 replace = true; 10176 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10177 } 10178 } 10179 PackageSetting ps = mSettings.mPackages.get(pkgName); 10180 if (ps != null) { 10181 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10182 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10183 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10184 systemApp = (ps.pkg.applicationInfo.flags & 10185 ApplicationInfo.FLAG_SYSTEM) != 0; 10186 } 10187 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10188 } 10189 } 10190 10191 if (systemApp && onSd) { 10192 // Disable updates to system apps on sdcard 10193 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10194 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10195 return; 10196 } 10197 10198 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10199 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10200 return; 10201 } 10202 10203 if (replace) { 10204 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10205 installerPackageName, res, args.abiOverride); 10206 } else { 10207 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10208 installerPackageName, res, args.abiOverride); 10209 } 10210 synchronized (mPackages) { 10211 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10212 if (ps != null) { 10213 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10214 } 10215 } 10216 } 10217 10218 private static boolean isForwardLocked(PackageParser.Package pkg) { 10219 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10220 } 10221 10222 10223 private boolean isForwardLocked(PackageSetting ps) { 10224 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10225 } 10226 10227 private static boolean isExternal(PackageParser.Package pkg) { 10228 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10229 } 10230 10231 private static boolean isExternal(PackageSetting ps) { 10232 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10233 } 10234 10235 private static boolean isSystemApp(PackageParser.Package pkg) { 10236 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10237 } 10238 10239 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10240 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10241 } 10242 10243 private static boolean isSystemApp(ApplicationInfo info) { 10244 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10245 } 10246 10247 private static boolean isSystemApp(PackageSetting ps) { 10248 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10249 } 10250 10251 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10252 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10253 } 10254 10255 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10256 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10257 } 10258 10259 private int packageFlagsToInstallFlags(PackageSetting ps) { 10260 int installFlags = 0; 10261 if (isExternal(ps)) { 10262 installFlags |= PackageManager.INSTALL_EXTERNAL; 10263 } 10264 if (isForwardLocked(ps)) { 10265 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10266 } 10267 return installFlags; 10268 } 10269 10270 private void deleteTempPackageFiles() { 10271 final FilenameFilter filter = new FilenameFilter() { 10272 public boolean accept(File dir, String name) { 10273 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10274 } 10275 }; 10276 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10277 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10278 } 10279 10280 private static final void deleteTempPackageFilesInDirectory(File directory, 10281 FilenameFilter filter) { 10282 final File[] files = directory.listFiles(filter); 10283 if (!ArrayUtils.isEmpty(files)) { 10284 for (File file : files) { 10285 if (file.isDirectory()) { 10286 FileUtils.deleteContents(file); 10287 file.delete(); 10288 } else if (file.isFile()) { 10289 file.delete(); 10290 } 10291 } 10292 } 10293 } 10294 10295 private File createTempPackageDir(File installDir) throws IOException { 10296 int n = 0; 10297 while (n++ < 32) { 10298 final File file = new File(installDir, "vmdl" + mTempFileRandom.nextInt() + ".tmp"); 10299 try { 10300 Os.mkdir(file.getAbsolutePath(), 0755); 10301 Os.chmod(file.getAbsolutePath(), 0755); 10302 if (!SELinux.restorecon(file)) { 10303 throw new IOException("Failed to restorecon"); 10304 } 10305 return file; 10306 } catch (ErrnoException e) { 10307 if (e.errno == EEXIST) continue; 10308 throw e.rethrowAsIOException(); 10309 } 10310 } 10311 throw new IOException("Failed to create temp directory"); 10312 } 10313 10314 private File createTempPackageFile(File installDir) throws IOException { 10315 int n = 0; 10316 while (n++ < 32) { 10317 final File file = new File(installDir, "vmdl" + mTempFileRandom.nextInt() + ".tmp"); 10318 try { 10319 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 10320 O_RDWR | O_CREAT | O_EXCL, 0644); 10321 IoUtils.closeQuietly(fd); 10322 Os.chmod(file.getAbsolutePath(), 0644); 10323 if (!SELinux.restorecon(file)) { 10324 throw new IOException("Failed to restorecon"); 10325 } 10326 return file; 10327 } catch (ErrnoException e) { 10328 if (e.errno == EEXIST) continue; 10329 throw e.rethrowAsIOException(); 10330 } 10331 } 10332 throw new IOException("Failed to create temp file"); 10333 } 10334 10335 @Override 10336 public void deletePackageAsUser(final String packageName, 10337 final IPackageDeleteObserver observer, 10338 final int userId, final int flags) { 10339 mContext.enforceCallingOrSelfPermission( 10340 android.Manifest.permission.DELETE_PACKAGES, null); 10341 final int uid = Binder.getCallingUid(); 10342 if (UserHandle.getUserId(uid) != userId) { 10343 mContext.enforceCallingPermission( 10344 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10345 "deletePackage for user " + userId); 10346 } 10347 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10348 try { 10349 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10350 } catch (RemoteException re) { 10351 } 10352 return; 10353 } 10354 10355 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10356 // Queue up an async operation since the package deletion may take a little while. 10357 mHandler.post(new Runnable() { 10358 public void run() { 10359 mHandler.removeCallbacks(this); 10360 final int returnCode = deletePackageX(packageName, userId, flags); 10361 if (observer != null) { 10362 try { 10363 observer.packageDeleted(packageName, returnCode); 10364 } catch (RemoteException e) { 10365 Log.i(TAG, "Observer no longer exists."); 10366 } //end catch 10367 } //end if 10368 } //end run 10369 }); 10370 } 10371 10372 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10373 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10374 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10375 try { 10376 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10377 || dpm.isDeviceOwner(packageName))) { 10378 return true; 10379 } 10380 } catch (RemoteException e) { 10381 } 10382 return false; 10383 } 10384 10385 /** 10386 * This method is an internal method that could be get invoked either 10387 * to delete an installed package or to clean up a failed installation. 10388 * After deleting an installed package, a broadcast is sent to notify any 10389 * listeners that the package has been installed. For cleaning up a failed 10390 * installation, the broadcast is not necessary since the package's 10391 * installation wouldn't have sent the initial broadcast either 10392 * The key steps in deleting a package are 10393 * deleting the package information in internal structures like mPackages, 10394 * deleting the packages base directories through installd 10395 * updating mSettings to reflect current status 10396 * persisting settings for later use 10397 * sending a broadcast if necessary 10398 */ 10399 private int deletePackageX(String packageName, int userId, int flags) { 10400 final PackageRemovedInfo info = new PackageRemovedInfo(); 10401 final boolean res; 10402 10403 if (isPackageDeviceAdmin(packageName, userId)) { 10404 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10405 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10406 } 10407 10408 boolean removedForAllUsers = false; 10409 boolean systemUpdate = false; 10410 10411 // for the uninstall-updates case and restricted profiles, remember the per- 10412 // userhandle installed state 10413 int[] allUsers; 10414 boolean[] perUserInstalled; 10415 synchronized (mPackages) { 10416 PackageSetting ps = mSettings.mPackages.get(packageName); 10417 allUsers = sUserManager.getUserIds(); 10418 perUserInstalled = new boolean[allUsers.length]; 10419 for (int i = 0; i < allUsers.length; i++) { 10420 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10421 } 10422 } 10423 10424 synchronized (mInstallLock) { 10425 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10426 res = deletePackageLI(packageName, 10427 (flags & PackageManager.DELETE_ALL_USERS) != 0 10428 ? UserHandle.ALL : new UserHandle(userId), 10429 true, allUsers, perUserInstalled, 10430 flags | REMOVE_CHATTY, info, true); 10431 systemUpdate = info.isRemovedPackageSystemUpdate; 10432 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10433 removedForAllUsers = true; 10434 } 10435 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10436 + " removedForAllUsers=" + removedForAllUsers); 10437 } 10438 10439 if (res) { 10440 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10441 10442 // If the removed package was a system update, the old system package 10443 // was re-enabled; we need to broadcast this information 10444 if (systemUpdate) { 10445 Bundle extras = new Bundle(1); 10446 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10447 ? info.removedAppId : info.uid); 10448 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10449 10450 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10451 extras, null, null, null); 10452 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10453 extras, null, null, null); 10454 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10455 null, packageName, null, null); 10456 } 10457 } 10458 // Force a gc here. 10459 Runtime.getRuntime().gc(); 10460 // Delete the resources here after sending the broadcast to let 10461 // other processes clean up before deleting resources. 10462 if (info.args != null) { 10463 synchronized (mInstallLock) { 10464 info.args.doPostDeleteLI(true); 10465 } 10466 } 10467 10468 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10469 } 10470 10471 static class PackageRemovedInfo { 10472 String removedPackage; 10473 int uid = -1; 10474 int removedAppId = -1; 10475 int[] removedUsers = null; 10476 boolean isRemovedPackageSystemUpdate = false; 10477 // Clean up resources deleted packages. 10478 InstallArgs args = null; 10479 10480 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10481 Bundle extras = new Bundle(1); 10482 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10483 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10484 if (replacing) { 10485 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10486 } 10487 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10488 if (removedPackage != null) { 10489 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10490 extras, null, null, removedUsers); 10491 if (fullRemove && !replacing) { 10492 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10493 extras, null, null, removedUsers); 10494 } 10495 } 10496 if (removedAppId >= 0) { 10497 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10498 removedUsers); 10499 } 10500 } 10501 } 10502 10503 /* 10504 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10505 * flag is not set, the data directory is removed as well. 10506 * make sure this flag is set for partially installed apps. If not its meaningless to 10507 * delete a partially installed application. 10508 */ 10509 private void removePackageDataLI(PackageSetting ps, 10510 int[] allUserHandles, boolean[] perUserInstalled, 10511 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10512 String packageName = ps.name; 10513 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10514 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10515 // Retrieve object to delete permissions for shared user later on 10516 final PackageSetting deletedPs; 10517 // reader 10518 synchronized (mPackages) { 10519 deletedPs = mSettings.mPackages.get(packageName); 10520 if (outInfo != null) { 10521 outInfo.removedPackage = packageName; 10522 outInfo.removedUsers = deletedPs != null 10523 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10524 : null; 10525 } 10526 } 10527 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10528 removeDataDirsLI(packageName); 10529 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10530 } 10531 // writer 10532 synchronized (mPackages) { 10533 if (deletedPs != null) { 10534 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10535 if (outInfo != null) { 10536 mSettings.mKeySetManagerService.removeAppKeySetData(packageName); 10537 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10538 } 10539 if (deletedPs != null) { 10540 updatePermissionsLPw(deletedPs.name, null, 0); 10541 if (deletedPs.sharedUser != null) { 10542 // remove permissions associated with package 10543 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10544 } 10545 } 10546 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10547 } 10548 // make sure to preserve per-user disabled state if this removal was just 10549 // a downgrade of a system app to the factory package 10550 if (allUserHandles != null && perUserInstalled != null) { 10551 if (DEBUG_REMOVE) { 10552 Slog.d(TAG, "Propagating install state across downgrade"); 10553 } 10554 for (int i = 0; i < allUserHandles.length; i++) { 10555 if (DEBUG_REMOVE) { 10556 Slog.d(TAG, " user " + allUserHandles[i] 10557 + " => " + perUserInstalled[i]); 10558 } 10559 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10560 } 10561 } 10562 } 10563 // can downgrade to reader 10564 if (writeSettings) { 10565 // Save settings now 10566 mSettings.writeLPr(); 10567 } 10568 } 10569 if (outInfo != null) { 10570 // A user ID was deleted here. Go through all users and remove it 10571 // from KeyStore. 10572 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10573 } 10574 } 10575 10576 static boolean locationIsPrivileged(File path) { 10577 try { 10578 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10579 .getCanonicalPath(); 10580 return path.getCanonicalPath().startsWith(privilegedAppDir); 10581 } catch (IOException e) { 10582 Slog.e(TAG, "Unable to access code path " + path); 10583 } 10584 return false; 10585 } 10586 10587 /* 10588 * Tries to delete system package. 10589 */ 10590 private boolean deleteSystemPackageLI(PackageSetting newPs, 10591 int[] allUserHandles, boolean[] perUserInstalled, 10592 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10593 final boolean applyUserRestrictions 10594 = (allUserHandles != null) && (perUserInstalled != null); 10595 PackageSetting disabledPs = null; 10596 // Confirm if the system package has been updated 10597 // An updated system app can be deleted. This will also have to restore 10598 // the system pkg from system partition 10599 // reader 10600 synchronized (mPackages) { 10601 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10602 } 10603 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10604 + " disabledPs=" + disabledPs); 10605 if (disabledPs == null) { 10606 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10607 return false; 10608 } else if (DEBUG_REMOVE) { 10609 Slog.d(TAG, "Deleting system pkg from data partition"); 10610 } 10611 if (DEBUG_REMOVE) { 10612 if (applyUserRestrictions) { 10613 Slog.d(TAG, "Remembering install states:"); 10614 for (int i = 0; i < allUserHandles.length; i++) { 10615 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10616 } 10617 } 10618 } 10619 // Delete the updated package 10620 outInfo.isRemovedPackageSystemUpdate = true; 10621 if (disabledPs.versionCode < newPs.versionCode) { 10622 // Delete data for downgrades 10623 flags &= ~PackageManager.DELETE_KEEP_DATA; 10624 } else { 10625 // Preserve data by setting flag 10626 flags |= PackageManager.DELETE_KEEP_DATA; 10627 } 10628 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10629 allUserHandles, perUserInstalled, outInfo, writeSettings); 10630 if (!ret) { 10631 return false; 10632 } 10633 // writer 10634 synchronized (mPackages) { 10635 // Reinstate the old system package 10636 mSettings.enableSystemPackageLPw(newPs.name); 10637 // Remove any native libraries from the upgraded package. 10638 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10639 } 10640 // Install the system package 10641 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10642 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10643 if (locationIsPrivileged(disabledPs.codePath)) { 10644 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10645 } 10646 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10647 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10648 10649 if (newPkg == null) { 10650 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10651 + " with error:" + mLastScanError); 10652 return false; 10653 } 10654 // writer 10655 synchronized (mPackages) { 10656 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10657 setInternalAppNativeLibraryPath(newPkg, ps); 10658 updatePermissionsLPw(newPkg.packageName, newPkg, 10659 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10660 if (applyUserRestrictions) { 10661 if (DEBUG_REMOVE) { 10662 Slog.d(TAG, "Propagating install state across reinstall"); 10663 } 10664 for (int i = 0; i < allUserHandles.length; i++) { 10665 if (DEBUG_REMOVE) { 10666 Slog.d(TAG, " user " + allUserHandles[i] 10667 + " => " + perUserInstalled[i]); 10668 } 10669 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10670 } 10671 // Regardless of writeSettings we need to ensure that this restriction 10672 // state propagation is persisted 10673 mSettings.writeAllUsersPackageRestrictionsLPr(); 10674 } 10675 // can downgrade to reader here 10676 if (writeSettings) { 10677 mSettings.writeLPr(); 10678 } 10679 } 10680 return true; 10681 } 10682 10683 private boolean deleteInstalledPackageLI(PackageSetting ps, 10684 boolean deleteCodeAndResources, int flags, 10685 int[] allUserHandles, boolean[] perUserInstalled, 10686 PackageRemovedInfo outInfo, boolean writeSettings) { 10687 if (outInfo != null) { 10688 outInfo.uid = ps.appId; 10689 } 10690 10691 // Delete package data from internal structures and also remove data if flag is set 10692 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10693 10694 // Delete application code and resources 10695 if (deleteCodeAndResources && (outInfo != null)) { 10696 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10697 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 10698 getAppInstructionSetFromSettings(ps)); 10699 } 10700 return true; 10701 } 10702 10703 @Override 10704 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 10705 int userId) { 10706 mContext.enforceCallingOrSelfPermission( 10707 android.Manifest.permission.DELETE_PACKAGES, null); 10708 synchronized (mPackages) { 10709 PackageSetting ps = mSettings.mPackages.get(packageName); 10710 if (ps == null) { 10711 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 10712 return false; 10713 } 10714 if (!ps.getInstalled(userId)) { 10715 // Can't block uninstall for an app that is not installed or enabled. 10716 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 10717 return false; 10718 } 10719 ps.setBlockUninstall(blockUninstall, userId); 10720 mSettings.writePackageRestrictionsLPr(userId); 10721 } 10722 return true; 10723 } 10724 10725 @Override 10726 public boolean getBlockUninstallForUser(String packageName, int userId) { 10727 synchronized (mPackages) { 10728 PackageSetting ps = mSettings.mPackages.get(packageName); 10729 if (ps == null) { 10730 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 10731 return false; 10732 } 10733 return ps.getBlockUninstall(userId); 10734 } 10735 } 10736 10737 /* 10738 * This method handles package deletion in general 10739 */ 10740 private boolean deletePackageLI(String packageName, UserHandle user, 10741 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10742 int flags, PackageRemovedInfo outInfo, 10743 boolean writeSettings) { 10744 if (packageName == null) { 10745 Slog.w(TAG, "Attempt to delete null packageName."); 10746 return false; 10747 } 10748 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10749 PackageSetting ps; 10750 boolean dataOnly = false; 10751 int removeUser = -1; 10752 int appId = -1; 10753 synchronized (mPackages) { 10754 ps = mSettings.mPackages.get(packageName); 10755 if (ps == null) { 10756 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10757 return false; 10758 } 10759 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10760 && user.getIdentifier() != UserHandle.USER_ALL) { 10761 // The caller is asking that the package only be deleted for a single 10762 // user. To do this, we just mark its uninstalled state and delete 10763 // its data. If this is a system app, we only allow this to happen if 10764 // they have set the special DELETE_SYSTEM_APP which requests different 10765 // semantics than normal for uninstalling system apps. 10766 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10767 ps.setUserState(user.getIdentifier(), 10768 COMPONENT_ENABLED_STATE_DEFAULT, 10769 false, //installed 10770 true, //stopped 10771 true, //notLaunched 10772 false, //blocked 10773 null, null, null, 10774 false // blockUninstall 10775 ); 10776 if (!isSystemApp(ps)) { 10777 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10778 // Other user still have this package installed, so all 10779 // we need to do is clear this user's data and save that 10780 // it is uninstalled. 10781 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10782 removeUser = user.getIdentifier(); 10783 appId = ps.appId; 10784 mSettings.writePackageRestrictionsLPr(removeUser); 10785 } else { 10786 // We need to set it back to 'installed' so the uninstall 10787 // broadcasts will be sent correctly. 10788 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10789 ps.setInstalled(true, user.getIdentifier()); 10790 } 10791 } else { 10792 // This is a system app, so we assume that the 10793 // other users still have this package installed, so all 10794 // we need to do is clear this user's data and save that 10795 // it is uninstalled. 10796 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10797 removeUser = user.getIdentifier(); 10798 appId = ps.appId; 10799 mSettings.writePackageRestrictionsLPr(removeUser); 10800 } 10801 } 10802 } 10803 10804 if (removeUser >= 0) { 10805 // From above, we determined that we are deleting this only 10806 // for a single user. Continue the work here. 10807 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10808 if (outInfo != null) { 10809 outInfo.removedPackage = packageName; 10810 outInfo.removedAppId = appId; 10811 outInfo.removedUsers = new int[] {removeUser}; 10812 } 10813 mInstaller.clearUserData(packageName, removeUser); 10814 removeKeystoreDataIfNeeded(removeUser, appId); 10815 schedulePackageCleaning(packageName, removeUser, false); 10816 return true; 10817 } 10818 10819 if (dataOnly) { 10820 // Delete application data first 10821 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10822 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10823 return true; 10824 } 10825 10826 boolean ret = false; 10827 if (isSystemApp(ps)) { 10828 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10829 // When an updated system application is deleted we delete the existing resources as well and 10830 // fall back to existing code in system partition 10831 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10832 flags, outInfo, writeSettings); 10833 } else { 10834 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10835 // Kill application pre-emptively especially for apps on sd. 10836 killApplication(packageName, ps.appId, "uninstall pkg"); 10837 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10838 allUserHandles, perUserInstalled, 10839 outInfo, writeSettings); 10840 } 10841 10842 return ret; 10843 } 10844 10845 private final class ClearStorageConnection implements ServiceConnection { 10846 IMediaContainerService mContainerService; 10847 10848 @Override 10849 public void onServiceConnected(ComponentName name, IBinder service) { 10850 synchronized (this) { 10851 mContainerService = IMediaContainerService.Stub.asInterface(service); 10852 notifyAll(); 10853 } 10854 } 10855 10856 @Override 10857 public void onServiceDisconnected(ComponentName name) { 10858 } 10859 } 10860 10861 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10862 final boolean mounted; 10863 if (Environment.isExternalStorageEmulated()) { 10864 mounted = true; 10865 } else { 10866 final String status = Environment.getExternalStorageState(); 10867 10868 mounted = status.equals(Environment.MEDIA_MOUNTED) 10869 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10870 } 10871 10872 if (!mounted) { 10873 return; 10874 } 10875 10876 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10877 int[] users; 10878 if (userId == UserHandle.USER_ALL) { 10879 users = sUserManager.getUserIds(); 10880 } else { 10881 users = new int[] { userId }; 10882 } 10883 final ClearStorageConnection conn = new ClearStorageConnection(); 10884 if (mContext.bindServiceAsUser( 10885 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10886 try { 10887 for (int curUser : users) { 10888 long timeout = SystemClock.uptimeMillis() + 5000; 10889 synchronized (conn) { 10890 long now = SystemClock.uptimeMillis(); 10891 while (conn.mContainerService == null && now < timeout) { 10892 try { 10893 conn.wait(timeout - now); 10894 } catch (InterruptedException e) { 10895 } 10896 } 10897 } 10898 if (conn.mContainerService == null) { 10899 return; 10900 } 10901 10902 final UserEnvironment userEnv = new UserEnvironment(curUser); 10903 clearDirectory(conn.mContainerService, 10904 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10905 if (allData) { 10906 clearDirectory(conn.mContainerService, 10907 userEnv.buildExternalStorageAppDataDirs(packageName)); 10908 clearDirectory(conn.mContainerService, 10909 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10910 } 10911 } 10912 } finally { 10913 mContext.unbindService(conn); 10914 } 10915 } 10916 } 10917 10918 @Override 10919 public void clearApplicationUserData(final String packageName, 10920 final IPackageDataObserver observer, final int userId) { 10921 mContext.enforceCallingOrSelfPermission( 10922 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10923 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10924 // Queue up an async operation since the package deletion may take a little while. 10925 mHandler.post(new Runnable() { 10926 public void run() { 10927 mHandler.removeCallbacks(this); 10928 final boolean succeeded; 10929 synchronized (mInstallLock) { 10930 succeeded = clearApplicationUserDataLI(packageName, userId); 10931 } 10932 clearExternalStorageDataSync(packageName, userId, true); 10933 if (succeeded) { 10934 // invoke DeviceStorageMonitor's update method to clear any notifications 10935 DeviceStorageMonitorInternal 10936 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10937 if (dsm != null) { 10938 dsm.checkMemory(); 10939 } 10940 } 10941 if(observer != null) { 10942 try { 10943 observer.onRemoveCompleted(packageName, succeeded); 10944 } catch (RemoteException e) { 10945 Log.i(TAG, "Observer no longer exists."); 10946 } 10947 } //end if observer 10948 } //end run 10949 }); 10950 } 10951 10952 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10953 if (packageName == null) { 10954 Slog.w(TAG, "Attempt to delete null packageName."); 10955 return false; 10956 } 10957 PackageParser.Package p; 10958 boolean dataOnly = false; 10959 final int appId; 10960 synchronized (mPackages) { 10961 p = mPackages.get(packageName); 10962 if (p == null) { 10963 dataOnly = true; 10964 PackageSetting ps = mSettings.mPackages.get(packageName); 10965 if ((ps == null) || (ps.pkg == null)) { 10966 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10967 return false; 10968 } 10969 p = ps.pkg; 10970 } 10971 if (!dataOnly) { 10972 // need to check this only for fully installed applications 10973 if (p == null) { 10974 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10975 return false; 10976 } 10977 final ApplicationInfo applicationInfo = p.applicationInfo; 10978 if (applicationInfo == null) { 10979 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10980 return false; 10981 } 10982 } 10983 if (p != null && p.applicationInfo != null) { 10984 appId = p.applicationInfo.uid; 10985 } else { 10986 appId = -1; 10987 } 10988 } 10989 int retCode = mInstaller.clearUserData(packageName, userId); 10990 if (retCode < 0) { 10991 Slog.w(TAG, "Couldn't remove cache files for package: " 10992 + packageName); 10993 return false; 10994 } 10995 removeKeystoreDataIfNeeded(userId, appId); 10996 return true; 10997 } 10998 10999 /** 11000 * Remove entries from the keystore daemon. Will only remove it if the 11001 * {@code appId} is valid. 11002 */ 11003 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11004 if (appId < 0) { 11005 return; 11006 } 11007 11008 final KeyStore keyStore = KeyStore.getInstance(); 11009 if (keyStore != null) { 11010 if (userId == UserHandle.USER_ALL) { 11011 for (final int individual : sUserManager.getUserIds()) { 11012 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11013 } 11014 } else { 11015 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11016 } 11017 } else { 11018 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11019 } 11020 } 11021 11022 @Override 11023 public void deleteApplicationCacheFiles(final String packageName, 11024 final IPackageDataObserver observer) { 11025 mContext.enforceCallingOrSelfPermission( 11026 android.Manifest.permission.DELETE_CACHE_FILES, null); 11027 // Queue up an async operation since the package deletion may take a little while. 11028 final int userId = UserHandle.getCallingUserId(); 11029 mHandler.post(new Runnable() { 11030 public void run() { 11031 mHandler.removeCallbacks(this); 11032 final boolean succeded; 11033 synchronized (mInstallLock) { 11034 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11035 } 11036 clearExternalStorageDataSync(packageName, userId, false); 11037 if(observer != null) { 11038 try { 11039 observer.onRemoveCompleted(packageName, succeded); 11040 } catch (RemoteException e) { 11041 Log.i(TAG, "Observer no longer exists."); 11042 } 11043 } //end if observer 11044 } //end run 11045 }); 11046 } 11047 11048 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11049 if (packageName == null) { 11050 Slog.w(TAG, "Attempt to delete null packageName."); 11051 return false; 11052 } 11053 PackageParser.Package p; 11054 synchronized (mPackages) { 11055 p = mPackages.get(packageName); 11056 } 11057 if (p == null) { 11058 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11059 return false; 11060 } 11061 final ApplicationInfo applicationInfo = p.applicationInfo; 11062 if (applicationInfo == null) { 11063 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11064 return false; 11065 } 11066 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11067 if (retCode < 0) { 11068 Slog.w(TAG, "Couldn't remove cache files for package: " 11069 + packageName + " u" + userId); 11070 return false; 11071 } 11072 return true; 11073 } 11074 11075 @Override 11076 public void getPackageSizeInfo(final String packageName, int userHandle, 11077 final IPackageStatsObserver observer) { 11078 mContext.enforceCallingOrSelfPermission( 11079 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11080 if (packageName == null) { 11081 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11082 } 11083 11084 PackageStats stats = new PackageStats(packageName, userHandle); 11085 11086 /* 11087 * Queue up an async operation since the package measurement may take a 11088 * little while. 11089 */ 11090 Message msg = mHandler.obtainMessage(INIT_COPY); 11091 msg.obj = new MeasureParams(stats, observer); 11092 mHandler.sendMessage(msg); 11093 } 11094 11095 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11096 PackageStats pStats) { 11097 if (packageName == null) { 11098 Slog.w(TAG, "Attempt to get size of null packageName."); 11099 return false; 11100 } 11101 PackageParser.Package p; 11102 boolean dataOnly = false; 11103 String libDirPath = null; 11104 String asecPath = null; 11105 PackageSetting ps = null; 11106 synchronized (mPackages) { 11107 p = mPackages.get(packageName); 11108 ps = mSettings.mPackages.get(packageName); 11109 if(p == null) { 11110 dataOnly = true; 11111 if((ps == null) || (ps.pkg == null)) { 11112 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11113 return false; 11114 } 11115 p = ps.pkg; 11116 } 11117 if (ps != null) { 11118 libDirPath = ps.nativeLibraryPathString; 11119 } 11120 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11121 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11122 if (secureContainerId != null) { 11123 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11124 } 11125 } 11126 } 11127 String publicSrcDir = null; 11128 if(!dataOnly) { 11129 final ApplicationInfo applicationInfo = p.applicationInfo; 11130 if (applicationInfo == null) { 11131 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11132 return false; 11133 } 11134 if (isForwardLocked(p)) { 11135 publicSrcDir = applicationInfo.getBaseResourcePath(); 11136 } 11137 } 11138 // TODO: extend to measure size of split APKs 11139 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirPath, 11140 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11141 pStats); 11142 if (res < 0) { 11143 return false; 11144 } 11145 11146 // Fix-up for forward-locked applications in ASEC containers. 11147 if (!isExternal(p)) { 11148 pStats.codeSize += pStats.externalCodeSize; 11149 pStats.externalCodeSize = 0L; 11150 } 11151 11152 return true; 11153 } 11154 11155 11156 @Override 11157 public void addPackageToPreferred(String packageName) { 11158 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11159 } 11160 11161 @Override 11162 public void removePackageFromPreferred(String packageName) { 11163 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11164 } 11165 11166 @Override 11167 public List<PackageInfo> getPreferredPackages(int flags) { 11168 return new ArrayList<PackageInfo>(); 11169 } 11170 11171 private int getUidTargetSdkVersionLockedLPr(int uid) { 11172 Object obj = mSettings.getUserIdLPr(uid); 11173 if (obj instanceof SharedUserSetting) { 11174 final SharedUserSetting sus = (SharedUserSetting) obj; 11175 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11176 final Iterator<PackageSetting> it = sus.packages.iterator(); 11177 while (it.hasNext()) { 11178 final PackageSetting ps = it.next(); 11179 if (ps.pkg != null) { 11180 int v = ps.pkg.applicationInfo.targetSdkVersion; 11181 if (v < vers) vers = v; 11182 } 11183 } 11184 return vers; 11185 } else if (obj instanceof PackageSetting) { 11186 final PackageSetting ps = (PackageSetting) obj; 11187 if (ps.pkg != null) { 11188 return ps.pkg.applicationInfo.targetSdkVersion; 11189 } 11190 } 11191 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11192 } 11193 11194 @Override 11195 public void addPreferredActivity(IntentFilter filter, int match, 11196 ComponentName[] set, ComponentName activity, int userId) { 11197 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11198 } 11199 11200 private void addPreferredActivityInternal(IntentFilter filter, int match, 11201 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11202 // writer 11203 int callingUid = Binder.getCallingUid(); 11204 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11205 if (filter.countActions() == 0) { 11206 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11207 return; 11208 } 11209 synchronized (mPackages) { 11210 if (mContext.checkCallingOrSelfPermission( 11211 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11212 != PackageManager.PERMISSION_GRANTED) { 11213 if (getUidTargetSdkVersionLockedLPr(callingUid) 11214 < Build.VERSION_CODES.FROYO) { 11215 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11216 + callingUid); 11217 return; 11218 } 11219 mContext.enforceCallingOrSelfPermission( 11220 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11221 } 11222 11223 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11224 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11225 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11226 new PreferredActivity(filter, match, set, activity, always)); 11227 mSettings.writePackageRestrictionsLPr(userId); 11228 } 11229 } 11230 11231 @Override 11232 public void replacePreferredActivity(IntentFilter filter, int match, 11233 ComponentName[] set, ComponentName activity) { 11234 if (filter.countActions() != 1) { 11235 throw new IllegalArgumentException( 11236 "replacePreferredActivity expects filter to have only 1 action."); 11237 } 11238 if (filter.countDataAuthorities() != 0 11239 || filter.countDataPaths() != 0 11240 || filter.countDataSchemes() > 1 11241 || filter.countDataTypes() != 0) { 11242 throw new IllegalArgumentException( 11243 "replacePreferredActivity expects filter to have no data authorities, " + 11244 "paths, or types; and at most one scheme."); 11245 } 11246 synchronized (mPackages) { 11247 if (mContext.checkCallingOrSelfPermission( 11248 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11249 != PackageManager.PERMISSION_GRANTED) { 11250 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11251 < Build.VERSION_CODES.FROYO) { 11252 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11253 + Binder.getCallingUid()); 11254 return; 11255 } 11256 mContext.enforceCallingOrSelfPermission( 11257 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11258 } 11259 11260 final int callingUserId = UserHandle.getCallingUserId(); 11261 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11262 if (pir != null) { 11263 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11264 if (filter.countDataSchemes() == 1) { 11265 Uri.Builder builder = new Uri.Builder(); 11266 builder.scheme(filter.getDataScheme(0)); 11267 intent.setData(builder.build()); 11268 } 11269 List<PreferredActivity> matches = pir.queryIntent( 11270 intent, null, true, callingUserId); 11271 if (DEBUG_PREFERRED) { 11272 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11273 } 11274 for (int i = 0; i < matches.size(); i++) { 11275 PreferredActivity pa = matches.get(i); 11276 if (DEBUG_PREFERRED) { 11277 Slog.i(TAG, "Removing preferred activity " 11278 + pa.mPref.mComponent + ":"); 11279 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11280 } 11281 pir.removeFilter(pa); 11282 } 11283 } 11284 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11285 } 11286 } 11287 11288 @Override 11289 public void clearPackagePreferredActivities(String packageName) { 11290 final int uid = Binder.getCallingUid(); 11291 // writer 11292 synchronized (mPackages) { 11293 PackageParser.Package pkg = mPackages.get(packageName); 11294 if (pkg == null || pkg.applicationInfo.uid != uid) { 11295 if (mContext.checkCallingOrSelfPermission( 11296 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11297 != PackageManager.PERMISSION_GRANTED) { 11298 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11299 < Build.VERSION_CODES.FROYO) { 11300 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11301 + Binder.getCallingUid()); 11302 return; 11303 } 11304 mContext.enforceCallingOrSelfPermission( 11305 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11306 } 11307 } 11308 11309 int user = UserHandle.getCallingUserId(); 11310 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11311 mSettings.writePackageRestrictionsLPr(user); 11312 scheduleWriteSettingsLocked(); 11313 } 11314 } 11315 } 11316 11317 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11318 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11319 ArrayList<PreferredActivity> removed = null; 11320 boolean changed = false; 11321 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11322 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11323 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11324 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11325 continue; 11326 } 11327 Iterator<PreferredActivity> it = pir.filterIterator(); 11328 while (it.hasNext()) { 11329 PreferredActivity pa = it.next(); 11330 // Mark entry for removal only if it matches the package name 11331 // and the entry is of type "always". 11332 if (packageName == null || 11333 (pa.mPref.mComponent.getPackageName().equals(packageName) 11334 && pa.mPref.mAlways)) { 11335 if (removed == null) { 11336 removed = new ArrayList<PreferredActivity>(); 11337 } 11338 removed.add(pa); 11339 } 11340 } 11341 if (removed != null) { 11342 for (int j=0; j<removed.size(); j++) { 11343 PreferredActivity pa = removed.get(j); 11344 pir.removeFilter(pa); 11345 } 11346 changed = true; 11347 } 11348 } 11349 return changed; 11350 } 11351 11352 @Override 11353 public void resetPreferredActivities(int userId) { 11354 mContext.enforceCallingOrSelfPermission( 11355 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11356 // writer 11357 synchronized (mPackages) { 11358 int user = UserHandle.getCallingUserId(); 11359 clearPackagePreferredActivitiesLPw(null, user); 11360 mSettings.readDefaultPreferredAppsLPw(this, user); 11361 mSettings.writePackageRestrictionsLPr(user); 11362 scheduleWriteSettingsLocked(); 11363 } 11364 } 11365 11366 @Override 11367 public int getPreferredActivities(List<IntentFilter> outFilters, 11368 List<ComponentName> outActivities, String packageName) { 11369 11370 int num = 0; 11371 final int userId = UserHandle.getCallingUserId(); 11372 // reader 11373 synchronized (mPackages) { 11374 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11375 if (pir != null) { 11376 final Iterator<PreferredActivity> it = pir.filterIterator(); 11377 while (it.hasNext()) { 11378 final PreferredActivity pa = it.next(); 11379 if (packageName == null 11380 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11381 && pa.mPref.mAlways)) { 11382 if (outFilters != null) { 11383 outFilters.add(new IntentFilter(pa)); 11384 } 11385 if (outActivities != null) { 11386 outActivities.add(pa.mPref.mComponent); 11387 } 11388 } 11389 } 11390 } 11391 } 11392 11393 return num; 11394 } 11395 11396 @Override 11397 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11398 int userId) { 11399 int callingUid = Binder.getCallingUid(); 11400 if (callingUid != Process.SYSTEM_UID) { 11401 throw new SecurityException( 11402 "addPersistentPreferredActivity can only be run by the system"); 11403 } 11404 if (filter.countActions() == 0) { 11405 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11406 return; 11407 } 11408 synchronized (mPackages) { 11409 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11410 " :"); 11411 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11412 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11413 new PersistentPreferredActivity(filter, activity)); 11414 mSettings.writePackageRestrictionsLPr(userId); 11415 } 11416 } 11417 11418 @Override 11419 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11420 int callingUid = Binder.getCallingUid(); 11421 if (callingUid != Process.SYSTEM_UID) { 11422 throw new SecurityException( 11423 "clearPackagePersistentPreferredActivities can only be run by the system"); 11424 } 11425 ArrayList<PersistentPreferredActivity> removed = null; 11426 boolean changed = false; 11427 synchronized (mPackages) { 11428 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11429 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11430 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11431 .valueAt(i); 11432 if (userId != thisUserId) { 11433 continue; 11434 } 11435 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11436 while (it.hasNext()) { 11437 PersistentPreferredActivity ppa = it.next(); 11438 // Mark entry for removal only if it matches the package name. 11439 if (ppa.mComponent.getPackageName().equals(packageName)) { 11440 if (removed == null) { 11441 removed = new ArrayList<PersistentPreferredActivity>(); 11442 } 11443 removed.add(ppa); 11444 } 11445 } 11446 if (removed != null) { 11447 for (int j=0; j<removed.size(); j++) { 11448 PersistentPreferredActivity ppa = removed.get(j); 11449 ppir.removeFilter(ppa); 11450 } 11451 changed = true; 11452 } 11453 } 11454 11455 if (changed) { 11456 mSettings.writePackageRestrictionsLPr(userId); 11457 } 11458 } 11459 } 11460 11461 @Override 11462 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11463 int targetUserId, int flags) { 11464 mContext.enforceCallingOrSelfPermission( 11465 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11466 if (intentFilter.countActions() == 0) { 11467 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11468 return; 11469 } 11470 synchronized (mPackages) { 11471 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11472 targetUserId, flags); 11473 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11474 mSettings.writePackageRestrictionsLPr(sourceUserId); 11475 } 11476 } 11477 11478 public void addCrossProfileIntentsForPackage(String packageName, 11479 int sourceUserId, int targetUserId) { 11480 mContext.enforceCallingOrSelfPermission( 11481 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11482 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11483 mSettings.writePackageRestrictionsLPr(sourceUserId); 11484 } 11485 11486 public void removeCrossProfileIntentsForPackage(String packageName, 11487 int sourceUserId, int targetUserId) { 11488 mContext.enforceCallingOrSelfPermission( 11489 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11490 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11491 mSettings.writePackageRestrictionsLPr(sourceUserId); 11492 } 11493 11494 @Override 11495 public void clearCrossProfileIntentFilters(int sourceUserId) { 11496 mContext.enforceCallingOrSelfPermission( 11497 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11498 synchronized (mPackages) { 11499 CrossProfileIntentResolver resolver = 11500 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11501 HashSet<CrossProfileIntentFilter> set = 11502 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11503 for (CrossProfileIntentFilter filter : set) { 11504 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11505 resolver.removeFilter(filter); 11506 } 11507 } 11508 mSettings.writePackageRestrictionsLPr(sourceUserId); 11509 } 11510 } 11511 11512 @Override 11513 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11514 Intent intent = new Intent(Intent.ACTION_MAIN); 11515 intent.addCategory(Intent.CATEGORY_HOME); 11516 11517 final int callingUserId = UserHandle.getCallingUserId(); 11518 List<ResolveInfo> list = queryIntentActivities(intent, null, 11519 PackageManager.GET_META_DATA, callingUserId); 11520 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11521 true, false, false, callingUserId); 11522 11523 allHomeCandidates.clear(); 11524 if (list != null) { 11525 for (ResolveInfo ri : list) { 11526 allHomeCandidates.add(ri); 11527 } 11528 } 11529 return (preferred == null || preferred.activityInfo == null) 11530 ? null 11531 : new ComponentName(preferred.activityInfo.packageName, 11532 preferred.activityInfo.name); 11533 } 11534 11535 @Override 11536 public void setApplicationEnabledSetting(String appPackageName, 11537 int newState, int flags, int userId, String callingPackage) { 11538 if (!sUserManager.exists(userId)) return; 11539 if (callingPackage == null) { 11540 callingPackage = Integer.toString(Binder.getCallingUid()); 11541 } 11542 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11543 } 11544 11545 @Override 11546 public void setComponentEnabledSetting(ComponentName componentName, 11547 int newState, int flags, int userId) { 11548 if (!sUserManager.exists(userId)) return; 11549 setEnabledSetting(componentName.getPackageName(), 11550 componentName.getClassName(), newState, flags, userId, null); 11551 } 11552 11553 private void setEnabledSetting(final String packageName, String className, int newState, 11554 final int flags, int userId, String callingPackage) { 11555 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11556 || newState == COMPONENT_ENABLED_STATE_ENABLED 11557 || newState == COMPONENT_ENABLED_STATE_DISABLED 11558 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11559 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11560 throw new IllegalArgumentException("Invalid new component state: " 11561 + newState); 11562 } 11563 PackageSetting pkgSetting; 11564 final int uid = Binder.getCallingUid(); 11565 final int permission = mContext.checkCallingOrSelfPermission( 11566 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11567 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11568 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11569 boolean sendNow = false; 11570 boolean isApp = (className == null); 11571 String componentName = isApp ? packageName : className; 11572 int packageUid = -1; 11573 ArrayList<String> components; 11574 11575 // writer 11576 synchronized (mPackages) { 11577 pkgSetting = mSettings.mPackages.get(packageName); 11578 if (pkgSetting == null) { 11579 if (className == null) { 11580 throw new IllegalArgumentException( 11581 "Unknown package: " + packageName); 11582 } 11583 throw new IllegalArgumentException( 11584 "Unknown component: " + packageName 11585 + "/" + className); 11586 } 11587 // Allow root and verify that userId is not being specified by a different user 11588 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11589 throw new SecurityException( 11590 "Permission Denial: attempt to change component state from pid=" 11591 + Binder.getCallingPid() 11592 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11593 } 11594 if (className == null) { 11595 // We're dealing with an application/package level state change 11596 if (pkgSetting.getEnabled(userId) == newState) { 11597 // Nothing to do 11598 return; 11599 } 11600 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11601 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11602 // Don't care about who enables an app. 11603 callingPackage = null; 11604 } 11605 pkgSetting.setEnabled(newState, userId, callingPackage); 11606 // pkgSetting.pkg.mSetEnabled = newState; 11607 } else { 11608 // We're dealing with a component level state change 11609 // First, verify that this is a valid class name. 11610 PackageParser.Package pkg = pkgSetting.pkg; 11611 if (pkg == null || !pkg.hasComponentClassName(className)) { 11612 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11613 throw new IllegalArgumentException("Component class " + className 11614 + " does not exist in " + packageName); 11615 } else { 11616 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11617 + className + " does not exist in " + packageName); 11618 } 11619 } 11620 switch (newState) { 11621 case COMPONENT_ENABLED_STATE_ENABLED: 11622 if (!pkgSetting.enableComponentLPw(className, userId)) { 11623 return; 11624 } 11625 break; 11626 case COMPONENT_ENABLED_STATE_DISABLED: 11627 if (!pkgSetting.disableComponentLPw(className, userId)) { 11628 return; 11629 } 11630 break; 11631 case COMPONENT_ENABLED_STATE_DEFAULT: 11632 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11633 return; 11634 } 11635 break; 11636 default: 11637 Slog.e(TAG, "Invalid new component state: " + newState); 11638 return; 11639 } 11640 } 11641 mSettings.writePackageRestrictionsLPr(userId); 11642 components = mPendingBroadcasts.get(userId, packageName); 11643 final boolean newPackage = components == null; 11644 if (newPackage) { 11645 components = new ArrayList<String>(); 11646 } 11647 if (!components.contains(componentName)) { 11648 components.add(componentName); 11649 } 11650 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11651 sendNow = true; 11652 // Purge entry from pending broadcast list if another one exists already 11653 // since we are sending one right away. 11654 mPendingBroadcasts.remove(userId, packageName); 11655 } else { 11656 if (newPackage) { 11657 mPendingBroadcasts.put(userId, packageName, components); 11658 } 11659 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11660 // Schedule a message 11661 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11662 } 11663 } 11664 } 11665 11666 long callingId = Binder.clearCallingIdentity(); 11667 try { 11668 if (sendNow) { 11669 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11670 sendPackageChangedBroadcast(packageName, 11671 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11672 } 11673 } finally { 11674 Binder.restoreCallingIdentity(callingId); 11675 } 11676 } 11677 11678 private void sendPackageChangedBroadcast(String packageName, 11679 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11680 if (DEBUG_INSTALL) 11681 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11682 + componentNames); 11683 Bundle extras = new Bundle(4); 11684 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11685 String nameList[] = new String[componentNames.size()]; 11686 componentNames.toArray(nameList); 11687 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11688 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11689 extras.putInt(Intent.EXTRA_UID, packageUid); 11690 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11691 new int[] {UserHandle.getUserId(packageUid)}); 11692 } 11693 11694 @Override 11695 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11696 if (!sUserManager.exists(userId)) return; 11697 final int uid = Binder.getCallingUid(); 11698 final int permission = mContext.checkCallingOrSelfPermission( 11699 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11700 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11701 enforceCrossUserPermission(uid, userId, true, "stop package"); 11702 // writer 11703 synchronized (mPackages) { 11704 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11705 uid, userId)) { 11706 scheduleWritePackageRestrictionsLocked(userId); 11707 } 11708 } 11709 } 11710 11711 @Override 11712 public String getInstallerPackageName(String packageName) { 11713 // reader 11714 synchronized (mPackages) { 11715 return mSettings.getInstallerPackageNameLPr(packageName); 11716 } 11717 } 11718 11719 @Override 11720 public int getApplicationEnabledSetting(String packageName, int userId) { 11721 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11722 int uid = Binder.getCallingUid(); 11723 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11724 // reader 11725 synchronized (mPackages) { 11726 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11727 } 11728 } 11729 11730 @Override 11731 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11732 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11733 int uid = Binder.getCallingUid(); 11734 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11735 // reader 11736 synchronized (mPackages) { 11737 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11738 } 11739 } 11740 11741 @Override 11742 public void enterSafeMode() { 11743 enforceSystemOrRoot("Only the system can request entering safe mode"); 11744 11745 if (!mSystemReady) { 11746 mSafeMode = true; 11747 } 11748 } 11749 11750 @Override 11751 public void systemReady() { 11752 mSystemReady = true; 11753 11754 // Read the compatibilty setting when the system is ready. 11755 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11756 mContext.getContentResolver(), 11757 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11758 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11759 if (DEBUG_SETTINGS) { 11760 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11761 } 11762 11763 synchronized (mPackages) { 11764 // Verify that all of the preferred activity components actually 11765 // exist. It is possible for applications to be updated and at 11766 // that point remove a previously declared activity component that 11767 // had been set as a preferred activity. We try to clean this up 11768 // the next time we encounter that preferred activity, but it is 11769 // possible for the user flow to never be able to return to that 11770 // situation so here we do a sanity check to make sure we haven't 11771 // left any junk around. 11772 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11773 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11774 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11775 removed.clear(); 11776 for (PreferredActivity pa : pir.filterSet()) { 11777 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11778 removed.add(pa); 11779 } 11780 } 11781 if (removed.size() > 0) { 11782 for (int r=0; r<removed.size(); r++) { 11783 PreferredActivity pa = removed.get(r); 11784 Slog.w(TAG, "Removing dangling preferred activity: " 11785 + pa.mPref.mComponent); 11786 pir.removeFilter(pa); 11787 } 11788 mSettings.writePackageRestrictionsLPr( 11789 mSettings.mPreferredActivities.keyAt(i)); 11790 } 11791 } 11792 } 11793 sUserManager.systemReady(); 11794 } 11795 11796 @Override 11797 public boolean isSafeMode() { 11798 return mSafeMode; 11799 } 11800 11801 @Override 11802 public boolean hasSystemUidErrors() { 11803 return mHasSystemUidErrors; 11804 } 11805 11806 static String arrayToString(int[] array) { 11807 StringBuffer buf = new StringBuffer(128); 11808 buf.append('['); 11809 if (array != null) { 11810 for (int i=0; i<array.length; i++) { 11811 if (i > 0) buf.append(", "); 11812 buf.append(array[i]); 11813 } 11814 } 11815 buf.append(']'); 11816 return buf.toString(); 11817 } 11818 11819 static class DumpState { 11820 public static final int DUMP_LIBS = 1 << 0; 11821 11822 public static final int DUMP_FEATURES = 1 << 1; 11823 11824 public static final int DUMP_RESOLVERS = 1 << 2; 11825 11826 public static final int DUMP_PERMISSIONS = 1 << 3; 11827 11828 public static final int DUMP_PACKAGES = 1 << 4; 11829 11830 public static final int DUMP_SHARED_USERS = 1 << 5; 11831 11832 public static final int DUMP_MESSAGES = 1 << 6; 11833 11834 public static final int DUMP_PROVIDERS = 1 << 7; 11835 11836 public static final int DUMP_VERIFIERS = 1 << 8; 11837 11838 public static final int DUMP_PREFERRED = 1 << 9; 11839 11840 public static final int DUMP_PREFERRED_XML = 1 << 10; 11841 11842 public static final int DUMP_KEYSETS = 1 << 11; 11843 11844 public static final int DUMP_VERSION = 1 << 12; 11845 11846 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11847 11848 private int mTypes; 11849 11850 private int mOptions; 11851 11852 private boolean mTitlePrinted; 11853 11854 private SharedUserSetting mSharedUser; 11855 11856 public boolean isDumping(int type) { 11857 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11858 return true; 11859 } 11860 11861 return (mTypes & type) != 0; 11862 } 11863 11864 public void setDump(int type) { 11865 mTypes |= type; 11866 } 11867 11868 public boolean isOptionEnabled(int option) { 11869 return (mOptions & option) != 0; 11870 } 11871 11872 public void setOptionEnabled(int option) { 11873 mOptions |= option; 11874 } 11875 11876 public boolean onTitlePrinted() { 11877 final boolean printed = mTitlePrinted; 11878 mTitlePrinted = true; 11879 return printed; 11880 } 11881 11882 public boolean getTitlePrinted() { 11883 return mTitlePrinted; 11884 } 11885 11886 public void setTitlePrinted(boolean enabled) { 11887 mTitlePrinted = enabled; 11888 } 11889 11890 public SharedUserSetting getSharedUser() { 11891 return mSharedUser; 11892 } 11893 11894 public void setSharedUser(SharedUserSetting user) { 11895 mSharedUser = user; 11896 } 11897 } 11898 11899 @Override 11900 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11901 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11902 != PackageManager.PERMISSION_GRANTED) { 11903 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11904 + Binder.getCallingPid() 11905 + ", uid=" + Binder.getCallingUid() 11906 + " without permission " 11907 + android.Manifest.permission.DUMP); 11908 return; 11909 } 11910 11911 DumpState dumpState = new DumpState(); 11912 boolean fullPreferred = false; 11913 boolean checkin = false; 11914 11915 String packageName = null; 11916 11917 int opti = 0; 11918 while (opti < args.length) { 11919 String opt = args[opti]; 11920 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11921 break; 11922 } 11923 opti++; 11924 if ("-a".equals(opt)) { 11925 // Right now we only know how to print all. 11926 } else if ("-h".equals(opt)) { 11927 pw.println("Package manager dump options:"); 11928 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11929 pw.println(" --checkin: dump for a checkin"); 11930 pw.println(" -f: print details of intent filters"); 11931 pw.println(" -h: print this help"); 11932 pw.println(" cmd may be one of:"); 11933 pw.println(" l[ibraries]: list known shared libraries"); 11934 pw.println(" f[ibraries]: list device features"); 11935 pw.println(" k[eysets]: print known keysets"); 11936 pw.println(" r[esolvers]: dump intent resolvers"); 11937 pw.println(" perm[issions]: dump permissions"); 11938 pw.println(" pref[erred]: print preferred package settings"); 11939 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11940 pw.println(" prov[iders]: dump content providers"); 11941 pw.println(" p[ackages]: dump installed packages"); 11942 pw.println(" s[hared-users]: dump shared user IDs"); 11943 pw.println(" m[essages]: print collected runtime messages"); 11944 pw.println(" v[erifiers]: print package verifier info"); 11945 pw.println(" version: print database version info"); 11946 pw.println(" write: write current settings now"); 11947 pw.println(" <package.name>: info about given package"); 11948 return; 11949 } else if ("--checkin".equals(opt)) { 11950 checkin = true; 11951 } else if ("-f".equals(opt)) { 11952 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11953 } else { 11954 pw.println("Unknown argument: " + opt + "; use -h for help"); 11955 } 11956 } 11957 11958 // Is the caller requesting to dump a particular piece of data? 11959 if (opti < args.length) { 11960 String cmd = args[opti]; 11961 opti++; 11962 // Is this a package name? 11963 if ("android".equals(cmd) || cmd.contains(".")) { 11964 packageName = cmd; 11965 // When dumping a single package, we always dump all of its 11966 // filter information since the amount of data will be reasonable. 11967 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11968 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11969 dumpState.setDump(DumpState.DUMP_LIBS); 11970 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11971 dumpState.setDump(DumpState.DUMP_FEATURES); 11972 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11973 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11974 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11975 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11976 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11977 dumpState.setDump(DumpState.DUMP_PREFERRED); 11978 } else if ("preferred-xml".equals(cmd)) { 11979 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11980 if (opti < args.length && "--full".equals(args[opti])) { 11981 fullPreferred = true; 11982 opti++; 11983 } 11984 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11985 dumpState.setDump(DumpState.DUMP_PACKAGES); 11986 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11987 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11988 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11989 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11990 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11991 dumpState.setDump(DumpState.DUMP_MESSAGES); 11992 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11993 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11994 } else if ("version".equals(cmd)) { 11995 dumpState.setDump(DumpState.DUMP_VERSION); 11996 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11997 dumpState.setDump(DumpState.DUMP_KEYSETS); 11998 } else if ("write".equals(cmd)) { 11999 synchronized (mPackages) { 12000 mSettings.writeLPr(); 12001 pw.println("Settings written."); 12002 return; 12003 } 12004 } 12005 } 12006 12007 if (checkin) { 12008 pw.println("vers,1"); 12009 } 12010 12011 // reader 12012 synchronized (mPackages) { 12013 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12014 if (!checkin) { 12015 if (dumpState.onTitlePrinted()) 12016 pw.println(); 12017 pw.println("Database versions:"); 12018 pw.print(" SDK Version:"); 12019 pw.print(" internal="); 12020 pw.print(mSettings.mInternalSdkPlatform); 12021 pw.print(" external="); 12022 pw.println(mSettings.mExternalSdkPlatform); 12023 pw.print(" DB Version:"); 12024 pw.print(" internal="); 12025 pw.print(mSettings.mInternalDatabaseVersion); 12026 pw.print(" external="); 12027 pw.println(mSettings.mExternalDatabaseVersion); 12028 } 12029 } 12030 12031 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12032 if (!checkin) { 12033 if (dumpState.onTitlePrinted()) 12034 pw.println(); 12035 pw.println("Verifiers:"); 12036 pw.print(" Required: "); 12037 pw.print(mRequiredVerifierPackage); 12038 pw.print(" (uid="); 12039 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12040 pw.println(")"); 12041 } else if (mRequiredVerifierPackage != null) { 12042 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12043 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12044 } 12045 } 12046 12047 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12048 boolean printedHeader = false; 12049 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12050 while (it.hasNext()) { 12051 String name = it.next(); 12052 SharedLibraryEntry ent = mSharedLibraries.get(name); 12053 if (!checkin) { 12054 if (!printedHeader) { 12055 if (dumpState.onTitlePrinted()) 12056 pw.println(); 12057 pw.println("Libraries:"); 12058 printedHeader = true; 12059 } 12060 pw.print(" "); 12061 } else { 12062 pw.print("lib,"); 12063 } 12064 pw.print(name); 12065 if (!checkin) { 12066 pw.print(" -> "); 12067 } 12068 if (ent.path != null) { 12069 if (!checkin) { 12070 pw.print("(jar) "); 12071 pw.print(ent.path); 12072 } else { 12073 pw.print(",jar,"); 12074 pw.print(ent.path); 12075 } 12076 } else { 12077 if (!checkin) { 12078 pw.print("(apk) "); 12079 pw.print(ent.apk); 12080 } else { 12081 pw.print(",apk,"); 12082 pw.print(ent.apk); 12083 } 12084 } 12085 pw.println(); 12086 } 12087 } 12088 12089 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12090 if (dumpState.onTitlePrinted()) 12091 pw.println(); 12092 if (!checkin) { 12093 pw.println("Features:"); 12094 } 12095 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12096 while (it.hasNext()) { 12097 String name = it.next(); 12098 if (!checkin) { 12099 pw.print(" "); 12100 } else { 12101 pw.print("feat,"); 12102 } 12103 pw.println(name); 12104 } 12105 } 12106 12107 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12108 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12109 : "Activity Resolver Table:", " ", packageName, 12110 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12111 dumpState.setTitlePrinted(true); 12112 } 12113 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12114 : "Receiver Resolver Table:", " ", packageName, 12115 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12116 dumpState.setTitlePrinted(true); 12117 } 12118 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12119 : "Service Resolver Table:", " ", packageName, 12120 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12121 dumpState.setTitlePrinted(true); 12122 } 12123 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12124 : "Provider Resolver Table:", " ", packageName, 12125 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12126 dumpState.setTitlePrinted(true); 12127 } 12128 } 12129 12130 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12131 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12132 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12133 int user = mSettings.mPreferredActivities.keyAt(i); 12134 if (pir.dump(pw, 12135 dumpState.getTitlePrinted() 12136 ? "\nPreferred Activities User " + user + ":" 12137 : "Preferred Activities User " + user + ":", " ", 12138 packageName, true)) { 12139 dumpState.setTitlePrinted(true); 12140 } 12141 } 12142 } 12143 12144 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12145 pw.flush(); 12146 FileOutputStream fout = new FileOutputStream(fd); 12147 BufferedOutputStream str = new BufferedOutputStream(fout); 12148 XmlSerializer serializer = new FastXmlSerializer(); 12149 try { 12150 serializer.setOutput(str, "utf-8"); 12151 serializer.startDocument(null, true); 12152 serializer.setFeature( 12153 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12154 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12155 serializer.endDocument(); 12156 serializer.flush(); 12157 } catch (IllegalArgumentException e) { 12158 pw.println("Failed writing: " + e); 12159 } catch (IllegalStateException e) { 12160 pw.println("Failed writing: " + e); 12161 } catch (IOException e) { 12162 pw.println("Failed writing: " + e); 12163 } 12164 } 12165 12166 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12167 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12168 } 12169 12170 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12171 boolean printedSomething = false; 12172 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12173 if (packageName != null && !packageName.equals(p.info.packageName)) { 12174 continue; 12175 } 12176 if (!printedSomething) { 12177 if (dumpState.onTitlePrinted()) 12178 pw.println(); 12179 pw.println("Registered ContentProviders:"); 12180 printedSomething = true; 12181 } 12182 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12183 pw.print(" "); pw.println(p.toString()); 12184 } 12185 printedSomething = false; 12186 for (Map.Entry<String, PackageParser.Provider> entry : 12187 mProvidersByAuthority.entrySet()) { 12188 PackageParser.Provider p = entry.getValue(); 12189 if (packageName != null && !packageName.equals(p.info.packageName)) { 12190 continue; 12191 } 12192 if (!printedSomething) { 12193 if (dumpState.onTitlePrinted()) 12194 pw.println(); 12195 pw.println("ContentProvider Authorities:"); 12196 printedSomething = true; 12197 } 12198 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12199 pw.print(" "); pw.println(p.toString()); 12200 if (p.info != null && p.info.applicationInfo != null) { 12201 final String appInfo = p.info.applicationInfo.toString(); 12202 pw.print(" applicationInfo="); pw.println(appInfo); 12203 } 12204 } 12205 } 12206 12207 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12208 mSettings.mKeySetManagerService.dump(pw, packageName, dumpState); 12209 } 12210 12211 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12212 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12213 } 12214 12215 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12216 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12217 } 12218 12219 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12220 if (dumpState.onTitlePrinted()) 12221 pw.println(); 12222 mSettings.dumpReadMessagesLPr(pw, dumpState); 12223 12224 pw.println(); 12225 pw.println("Package warning messages:"); 12226 final File fname = getSettingsProblemFile(); 12227 FileInputStream in = null; 12228 try { 12229 in = new FileInputStream(fname); 12230 final int avail = in.available(); 12231 final byte[] data = new byte[avail]; 12232 in.read(data); 12233 pw.print(new String(data)); 12234 } catch (FileNotFoundException e) { 12235 } catch (IOException e) { 12236 } finally { 12237 if (in != null) { 12238 try { 12239 in.close(); 12240 } catch (IOException e) { 12241 } 12242 } 12243 } 12244 } 12245 } 12246 } 12247 12248 // ------- apps on sdcard specific code ------- 12249 static final boolean DEBUG_SD_INSTALL = false; 12250 12251 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12252 12253 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12254 12255 private boolean mMediaMounted = false; 12256 12257 private String getEncryptKey() { 12258 try { 12259 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12260 SD_ENCRYPTION_KEYSTORE_NAME); 12261 if (sdEncKey == null) { 12262 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12263 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12264 if (sdEncKey == null) { 12265 Slog.e(TAG, "Failed to create encryption keys"); 12266 return null; 12267 } 12268 } 12269 return sdEncKey; 12270 } catch (NoSuchAlgorithmException nsae) { 12271 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12272 return null; 12273 } catch (IOException ioe) { 12274 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12275 return null; 12276 } 12277 12278 } 12279 12280 /* package */static String getTempContainerId() { 12281 int tmpIdx = 1; 12282 String list[] = PackageHelper.getSecureContainerList(); 12283 if (list != null) { 12284 for (final String name : list) { 12285 // Ignore null and non-temporary container entries 12286 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12287 continue; 12288 } 12289 12290 String subStr = name.substring(mTempContainerPrefix.length()); 12291 try { 12292 int cid = Integer.parseInt(subStr); 12293 if (cid >= tmpIdx) { 12294 tmpIdx = cid + 1; 12295 } 12296 } catch (NumberFormatException e) { 12297 } 12298 } 12299 } 12300 return mTempContainerPrefix + tmpIdx; 12301 } 12302 12303 /* 12304 * Update media status on PackageManager. 12305 */ 12306 @Override 12307 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12308 int callingUid = Binder.getCallingUid(); 12309 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12310 throw new SecurityException("Media status can only be updated by the system"); 12311 } 12312 // reader; this apparently protects mMediaMounted, but should probably 12313 // be a different lock in that case. 12314 synchronized (mPackages) { 12315 Log.i(TAG, "Updating external media status from " 12316 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12317 + (mediaStatus ? "mounted" : "unmounted")); 12318 if (DEBUG_SD_INSTALL) 12319 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12320 + ", mMediaMounted=" + mMediaMounted); 12321 if (mediaStatus == mMediaMounted) { 12322 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12323 : 0, -1); 12324 mHandler.sendMessage(msg); 12325 return; 12326 } 12327 mMediaMounted = mediaStatus; 12328 } 12329 // Queue up an async operation since the package installation may take a 12330 // little while. 12331 mHandler.post(new Runnable() { 12332 public void run() { 12333 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12334 } 12335 }); 12336 } 12337 12338 /** 12339 * Called by MountService when the initial ASECs to scan are available. 12340 * Should block until all the ASEC containers are finished being scanned. 12341 */ 12342 public void scanAvailableAsecs() { 12343 updateExternalMediaStatusInner(true, false, false); 12344 if (mShouldRestoreconData) { 12345 SELinuxMMAC.setRestoreconDone(); 12346 mShouldRestoreconData = false; 12347 } 12348 } 12349 12350 /* 12351 * Collect information of applications on external media, map them against 12352 * existing containers and update information based on current mount status. 12353 * Please note that we always have to report status if reportStatus has been 12354 * set to true especially when unloading packages. 12355 */ 12356 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12357 boolean externalStorage) { 12358 // Collection of uids 12359 int uidArr[] = null; 12360 // Collection of stale containers 12361 HashSet<String> removeCids = new HashSet<String>(); 12362 // Collection of packages on external media with valid containers. 12363 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12364 // Get list of secure containers. 12365 final String list[] = PackageHelper.getSecureContainerList(); 12366 if (list == null || list.length == 0) { 12367 Log.i(TAG, "No secure containers on sdcard"); 12368 } else { 12369 // Process list of secure containers and categorize them 12370 // as active or stale based on their package internal state. 12371 int uidList[] = new int[list.length]; 12372 int num = 0; 12373 // reader 12374 synchronized (mPackages) { 12375 for (String cid : list) { 12376 if (DEBUG_SD_INSTALL) 12377 Log.i(TAG, "Processing container " + cid); 12378 String pkgName = getAsecPackageName(cid); 12379 if (pkgName == null) { 12380 if (DEBUG_SD_INSTALL) 12381 Log.i(TAG, "Container : " + cid + " stale"); 12382 removeCids.add(cid); 12383 continue; 12384 } 12385 if (DEBUG_SD_INSTALL) 12386 Log.i(TAG, "Looking for pkg : " + pkgName); 12387 12388 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12389 if (ps == null) { 12390 Log.i(TAG, "Deleting container with no matching settings " + cid); 12391 removeCids.add(cid); 12392 continue; 12393 } 12394 12395 /* 12396 * Skip packages that are not external if we're unmounting 12397 * external storage. 12398 */ 12399 if (externalStorage && !isMounted && !isExternal(ps)) { 12400 continue; 12401 } 12402 12403 final AsecInstallArgs args = new AsecInstallArgs(cid, 12404 getAppInstructionSetFromSettings(ps), 12405 isForwardLocked(ps)); 12406 // The package status is changed only if the code path 12407 // matches between settings and the container id. 12408 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12409 if (DEBUG_SD_INSTALL) { 12410 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12411 + " at code path: " + ps.codePathString); 12412 } 12413 12414 // We do have a valid package installed on sdcard 12415 processCids.put(args, ps.codePathString); 12416 final int uid = ps.appId; 12417 if (uid != -1) { 12418 uidList[num++] = uid; 12419 } 12420 } else { 12421 Log.i(TAG, "Deleting stale container for " + cid); 12422 removeCids.add(cid); 12423 } 12424 } 12425 } 12426 12427 if (num > 0) { 12428 // Sort uid list 12429 Arrays.sort(uidList, 0, num); 12430 // Throw away duplicates 12431 uidArr = new int[num]; 12432 uidArr[0] = uidList[0]; 12433 int di = 0; 12434 for (int i = 1; i < num; i++) { 12435 if (uidList[i - 1] != uidList[i]) { 12436 uidArr[di++] = uidList[i]; 12437 } 12438 } 12439 } 12440 } 12441 // Process packages with valid entries. 12442 if (isMounted) { 12443 if (DEBUG_SD_INSTALL) 12444 Log.i(TAG, "Loading packages"); 12445 loadMediaPackages(processCids, uidArr, removeCids); 12446 startCleaningPackages(); 12447 } else { 12448 if (DEBUG_SD_INSTALL) 12449 Log.i(TAG, "Unloading packages"); 12450 unloadMediaPackages(processCids, uidArr, reportStatus); 12451 } 12452 } 12453 12454 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12455 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12456 int size = pkgList.size(); 12457 if (size > 0) { 12458 // Send broadcasts here 12459 Bundle extras = new Bundle(); 12460 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12461 .toArray(new String[size])); 12462 if (uidArr != null) { 12463 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12464 } 12465 if (replacing) { 12466 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12467 } 12468 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12469 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12470 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12471 } 12472 } 12473 12474 /* 12475 * Look at potentially valid container ids from processCids If package 12476 * information doesn't match the one on record or package scanning fails, 12477 * the cid is added to list of removeCids. We currently don't delete stale 12478 * containers. 12479 */ 12480 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12481 HashSet<String> removeCids) { 12482 ArrayList<String> pkgList = new ArrayList<String>(); 12483 Set<AsecInstallArgs> keys = processCids.keySet(); 12484 boolean doGc = false; 12485 for (AsecInstallArgs args : keys) { 12486 String codePath = processCids.get(args); 12487 if (DEBUG_SD_INSTALL) 12488 Log.i(TAG, "Loading container : " + args.cid); 12489 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12490 try { 12491 // Make sure there are no container errors first. 12492 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12493 Slog.e(TAG, "Failed to mount cid : " + args.cid 12494 + " when installing from sdcard"); 12495 continue; 12496 } 12497 // Check code path here. 12498 if (codePath == null || !codePath.equals(args.getCodePath())) { 12499 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12500 + " does not match one in settings " + codePath); 12501 continue; 12502 } 12503 // Parse package 12504 int parseFlags = mDefParseFlags; 12505 if (args.isExternal()) { 12506 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12507 } 12508 if (args.isFwdLocked()) { 12509 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12510 } 12511 12512 doGc = true; 12513 synchronized (mInstallLock) { 12514 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12515 0, 0, null, null); 12516 // Scan the package 12517 if (pkg != null) { 12518 /* 12519 * TODO why is the lock being held? doPostInstall is 12520 * called in other places without the lock. This needs 12521 * to be straightened out. 12522 */ 12523 // writer 12524 synchronized (mPackages) { 12525 retCode = PackageManager.INSTALL_SUCCEEDED; 12526 pkgList.add(pkg.packageName); 12527 // Post process args 12528 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12529 pkg.applicationInfo.uid); 12530 } 12531 } else { 12532 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12533 } 12534 } 12535 12536 } finally { 12537 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12538 // Don't destroy container here. Wait till gc clears things 12539 // up. 12540 removeCids.add(args.cid); 12541 } 12542 } 12543 } 12544 // writer 12545 synchronized (mPackages) { 12546 // If the platform SDK has changed since the last time we booted, 12547 // we need to re-grant app permission to catch any new ones that 12548 // appear. This is really a hack, and means that apps can in some 12549 // cases get permissions that the user didn't initially explicitly 12550 // allow... it would be nice to have some better way to handle 12551 // this situation. 12552 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12553 if (regrantPermissions) 12554 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12555 + mSdkVersion + "; regranting permissions for external storage"); 12556 mSettings.mExternalSdkPlatform = mSdkVersion; 12557 12558 // Make sure group IDs have been assigned, and any permission 12559 // changes in other apps are accounted for 12560 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12561 | (regrantPermissions 12562 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12563 : 0)); 12564 12565 mSettings.updateExternalDatabaseVersion(); 12566 12567 // can downgrade to reader 12568 // Persist settings 12569 mSettings.writeLPr(); 12570 } 12571 // Send a broadcast to let everyone know we are done processing 12572 if (pkgList.size() > 0) { 12573 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12574 } 12575 // Force gc to avoid any stale parser references that we might have. 12576 if (doGc) { 12577 Runtime.getRuntime().gc(); 12578 } 12579 // List stale containers and destroy stale temporary containers. 12580 if (removeCids != null) { 12581 for (String cid : removeCids) { 12582 if (cid.startsWith(mTempContainerPrefix)) { 12583 Log.i(TAG, "Destroying stale temporary container " + cid); 12584 PackageHelper.destroySdDir(cid); 12585 } else { 12586 Log.w(TAG, "Container " + cid + " is stale"); 12587 } 12588 } 12589 } 12590 } 12591 12592 /* 12593 * Utility method to unload a list of specified containers 12594 */ 12595 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12596 // Just unmount all valid containers. 12597 for (AsecInstallArgs arg : cidArgs) { 12598 synchronized (mInstallLock) { 12599 arg.doPostDeleteLI(false); 12600 } 12601 } 12602 } 12603 12604 /* 12605 * Unload packages mounted on external media. This involves deleting package 12606 * data from internal structures, sending broadcasts about diabled packages, 12607 * gc'ing to free up references, unmounting all secure containers 12608 * corresponding to packages on external media, and posting a 12609 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12610 * that we always have to post this message if status has been requested no 12611 * matter what. 12612 */ 12613 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12614 final boolean reportStatus) { 12615 if (DEBUG_SD_INSTALL) 12616 Log.i(TAG, "unloading media packages"); 12617 ArrayList<String> pkgList = new ArrayList<String>(); 12618 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12619 final Set<AsecInstallArgs> keys = processCids.keySet(); 12620 for (AsecInstallArgs args : keys) { 12621 String pkgName = args.getPackageName(); 12622 if (DEBUG_SD_INSTALL) 12623 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12624 // Delete package internally 12625 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12626 synchronized (mInstallLock) { 12627 boolean res = deletePackageLI(pkgName, null, false, null, null, 12628 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12629 if (res) { 12630 pkgList.add(pkgName); 12631 } else { 12632 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12633 failedList.add(args); 12634 } 12635 } 12636 } 12637 12638 // reader 12639 synchronized (mPackages) { 12640 // We didn't update the settings after removing each package; 12641 // write them now for all packages. 12642 mSettings.writeLPr(); 12643 } 12644 12645 // We have to absolutely send UPDATED_MEDIA_STATUS only 12646 // after confirming that all the receivers processed the ordered 12647 // broadcast when packages get disabled, force a gc to clean things up. 12648 // and unload all the containers. 12649 if (pkgList.size() > 0) { 12650 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12651 new IIntentReceiver.Stub() { 12652 public void performReceive(Intent intent, int resultCode, String data, 12653 Bundle extras, boolean ordered, boolean sticky, 12654 int sendingUser) throws RemoteException { 12655 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12656 reportStatus ? 1 : 0, 1, keys); 12657 mHandler.sendMessage(msg); 12658 } 12659 }); 12660 } else { 12661 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12662 keys); 12663 mHandler.sendMessage(msg); 12664 } 12665 } 12666 12667 /** Binder call */ 12668 @Override 12669 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12670 final int flags) { 12671 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12672 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12673 int returnCode = PackageManager.MOVE_SUCCEEDED; 12674 int currFlags = 0; 12675 int newFlags = 0; 12676 // reader 12677 synchronized (mPackages) { 12678 PackageParser.Package pkg = mPackages.get(packageName); 12679 if (pkg == null) { 12680 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12681 } else { 12682 // Disable moving fwd locked apps and system packages 12683 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12684 Slog.w(TAG, "Cannot move system application"); 12685 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12686 } else if (pkg.mOperationPending) { 12687 Slog.w(TAG, "Attempt to move package which has pending operations"); 12688 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12689 } else { 12690 // Find install location first 12691 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12692 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12693 Slog.w(TAG, "Ambigous flags specified for move location."); 12694 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12695 } else { 12696 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12697 : PackageManager.INSTALL_INTERNAL; 12698 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12699 : PackageManager.INSTALL_INTERNAL; 12700 12701 if (newFlags == currFlags) { 12702 Slog.w(TAG, "No move required. Trying to move to same location"); 12703 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12704 } else { 12705 if (isForwardLocked(pkg)) { 12706 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12707 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12708 } 12709 } 12710 } 12711 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12712 pkg.mOperationPending = true; 12713 } 12714 } 12715 } 12716 12717 /* 12718 * TODO this next block probably shouldn't be inside the lock. We 12719 * can't guarantee these won't change after this is fired off 12720 * anyway. 12721 */ 12722 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12723 processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1, user), 12724 returnCode); 12725 } else { 12726 Message msg = mHandler.obtainMessage(INIT_COPY); 12727 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12728 InstallArgs srcArgs = createInstallArgsForExisting(currFlags, 12729 pkg.applicationInfo.getCodePath(), pkg.applicationInfo.getResourcePath(), 12730 pkg.applicationInfo.nativeLibraryDir, instructionSet); 12731 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12732 instructionSet, pkg.applicationInfo.uid, user); 12733 msg.obj = mp; 12734 mHandler.sendMessage(msg); 12735 } 12736 } 12737 } 12738 12739 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12740 // Queue up an async operation since the package deletion may take a 12741 // little while. 12742 mHandler.post(new Runnable() { 12743 public void run() { 12744 // TODO fix this; this does nothing. 12745 mHandler.removeCallbacks(this); 12746 int returnCode = currentStatus; 12747 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12748 int uidArr[] = null; 12749 ArrayList<String> pkgList = null; 12750 synchronized (mPackages) { 12751 PackageParser.Package pkg = mPackages.get(mp.packageName); 12752 if (pkg == null) { 12753 Slog.w(TAG, " Package " + mp.packageName 12754 + " doesn't exist. Aborting move"); 12755 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12756 } else if (!mp.srcArgs.getCodePath().equals( 12757 pkg.applicationInfo.getCodePath())) { 12758 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12759 + mp.srcArgs.getCodePath() + " to " 12760 + pkg.applicationInfo.getCodePath() 12761 + " Aborting move and returning error"); 12762 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12763 } else { 12764 uidArr = new int[] { 12765 pkg.applicationInfo.uid 12766 }; 12767 pkgList = new ArrayList<String>(); 12768 pkgList.add(mp.packageName); 12769 } 12770 } 12771 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12772 // Send resources unavailable broadcast 12773 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12774 // Update package code and resource paths 12775 synchronized (mInstallLock) { 12776 synchronized (mPackages) { 12777 PackageParser.Package pkg = mPackages.get(mp.packageName); 12778 // Recheck for package again. 12779 if (pkg == null) { 12780 Slog.w(TAG, " Package " + mp.packageName 12781 + " doesn't exist. Aborting move"); 12782 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12783 } else if (!mp.srcArgs.getCodePath().equals( 12784 pkg.applicationInfo.getCodePath())) { 12785 Slog.w(TAG, "Package " + mp.packageName 12786 + " code path changed from " + mp.srcArgs.getCodePath() 12787 + " to " + pkg.applicationInfo.getCodePath() 12788 + " Aborting move and returning error"); 12789 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12790 } else { 12791 final String oldCodePath = pkg.codePath; 12792 final String newCodePath = mp.targetArgs.getCodePath(); 12793 final String newResPath = mp.targetArgs.getResourcePath(); 12794 final String newNativePath = mp.targetArgs 12795 .getNativeLibraryPath(); 12796 12797 final File newNativeDir = new File(newNativePath); 12798 12799 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12800 NativeLibraryHelper.Handle handle = null; 12801 try { 12802 handle = NativeLibraryHelper.Handle.create( 12803 new File(newCodePath)); 12804 final int abi = NativeLibraryHelper.findSupportedAbi( 12805 handle, Build.SUPPORTED_ABIS); 12806 if (abi >= 0) { 12807 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12808 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12809 } 12810 } catch (IOException ioe) { 12811 Slog.w(TAG, "Unable to extract native libs for package :" 12812 + mp.packageName, ioe); 12813 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12814 } finally { 12815 IoUtils.closeQuietly(handle); 12816 } 12817 } 12818 final int[] users = sUserManager.getUserIds(); 12819 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12820 for (int user : users) { 12821 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12822 newNativePath, user) < 0) { 12823 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12824 } 12825 } 12826 } 12827 12828 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12829 pkg.codePath = newCodePath; 12830 pkg.baseCodePath = newCodePath; 12831 // Move dex files around 12832 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12833 // Moving of dex files failed. Set 12834 // error code and abort move. 12835 pkg.codePath = oldCodePath; 12836 pkg.baseCodePath = oldCodePath; 12837 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12838 } 12839 } 12840 12841 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12842 pkg.applicationInfo.setCodePath(newCodePath); 12843 pkg.applicationInfo.setBaseCodePath(newCodePath); 12844 pkg.applicationInfo.setSplitCodePaths(null); 12845 pkg.applicationInfo.setResourcePath(newResPath); 12846 pkg.applicationInfo.setBaseResourcePath(newResPath); 12847 pkg.applicationInfo.setSplitResourcePaths(null); 12848 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12849 12850 PackageSetting ps = (PackageSetting) pkg.mExtras; 12851 ps.codePath = new File(pkg.applicationInfo.getCodePath()); 12852 ps.codePathString = ps.codePath.getPath(); 12853 ps.resourcePath = new File( 12854 pkg.applicationInfo.getResourcePath()); 12855 ps.resourcePathString = ps.resourcePath.getPath(); 12856 ps.nativeLibraryPathString = newNativePath; 12857 // Set the application info flag 12858 // correctly. 12859 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12860 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12861 } else { 12862 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12863 } 12864 ps.setFlags(pkg.applicationInfo.flags); 12865 mAppDirs.remove(oldCodePath); 12866 mAppDirs.put(newCodePath, pkg); 12867 // Persist settings 12868 mSettings.writeLPr(); 12869 } 12870 } 12871 } 12872 } 12873 // Send resources available broadcast 12874 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12875 } 12876 } 12877 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12878 // Clean up failed installation 12879 if (mp.targetArgs != null) { 12880 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12881 -1); 12882 } 12883 } else { 12884 // Force a gc to clear things up. 12885 Runtime.getRuntime().gc(); 12886 // Delete older code 12887 synchronized (mInstallLock) { 12888 mp.srcArgs.doPostDeleteLI(true); 12889 } 12890 } 12891 12892 // Allow more operations on this file if we didn't fail because 12893 // an operation was already pending for this package. 12894 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12895 synchronized (mPackages) { 12896 PackageParser.Package pkg = mPackages.get(mp.packageName); 12897 if (pkg != null) { 12898 pkg.mOperationPending = false; 12899 } 12900 } 12901 } 12902 12903 IPackageMoveObserver observer = mp.observer; 12904 if (observer != null) { 12905 try { 12906 observer.packageMoved(mp.packageName, returnCode); 12907 } catch (RemoteException e) { 12908 Log.i(TAG, "Observer no longer exists."); 12909 } 12910 } 12911 } 12912 }); 12913 } 12914 12915 @Override 12916 public boolean setInstallLocation(int loc) { 12917 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12918 null); 12919 if (getInstallLocation() == loc) { 12920 return true; 12921 } 12922 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12923 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12924 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12925 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12926 return true; 12927 } 12928 return false; 12929 } 12930 12931 @Override 12932 public int getInstallLocation() { 12933 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12934 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12935 PackageHelper.APP_INSTALL_AUTO); 12936 } 12937 12938 /** Called by UserManagerService */ 12939 void cleanUpUserLILPw(int userHandle) { 12940 mDirtyUsers.remove(userHandle); 12941 mSettings.removeUserLPr(userHandle); 12942 mPendingBroadcasts.remove(userHandle); 12943 if (mInstaller != null) { 12944 // Technically, we shouldn't be doing this with the package lock 12945 // held. However, this is very rare, and there is already so much 12946 // other disk I/O going on, that we'll let it slide for now. 12947 mInstaller.removeUserDataDirs(userHandle); 12948 } 12949 mUserNeedsBadging.delete(userHandle); 12950 } 12951 12952 /** Called by UserManagerService */ 12953 void createNewUserLILPw(int userHandle, File path) { 12954 if (mInstaller != null) { 12955 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12956 } 12957 } 12958 12959 @Override 12960 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12961 mContext.enforceCallingOrSelfPermission( 12962 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12963 "Only package verification agents can read the verifier device identity"); 12964 12965 synchronized (mPackages) { 12966 return mSettings.getVerifierDeviceIdentityLPw(); 12967 } 12968 } 12969 12970 @Override 12971 public void setPermissionEnforced(String permission, boolean enforced) { 12972 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12973 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12974 synchronized (mPackages) { 12975 if (mSettings.mReadExternalStorageEnforced == null 12976 || mSettings.mReadExternalStorageEnforced != enforced) { 12977 mSettings.mReadExternalStorageEnforced = enforced; 12978 mSettings.writeLPr(); 12979 } 12980 } 12981 // kill any non-foreground processes so we restart them and 12982 // grant/revoke the GID. 12983 final IActivityManager am = ActivityManagerNative.getDefault(); 12984 if (am != null) { 12985 final long token = Binder.clearCallingIdentity(); 12986 try { 12987 am.killProcessesBelowForeground("setPermissionEnforcement"); 12988 } catch (RemoteException e) { 12989 } finally { 12990 Binder.restoreCallingIdentity(token); 12991 } 12992 } 12993 } else { 12994 throw new IllegalArgumentException("No selective enforcement for " + permission); 12995 } 12996 } 12997 12998 @Override 12999 @Deprecated 13000 public boolean isPermissionEnforced(String permission) { 13001 return true; 13002 } 13003 13004 @Override 13005 public boolean isStorageLow() { 13006 final long token = Binder.clearCallingIdentity(); 13007 try { 13008 final DeviceStorageMonitorInternal 13009 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13010 if (dsm != null) { 13011 return dsm.isMemoryLow(); 13012 } else { 13013 return false; 13014 } 13015 } finally { 13016 Binder.restoreCallingIdentity(token); 13017 } 13018 } 13019 13020 @Override 13021 public IPackageInstaller getPackageInstaller() { 13022 return mInstallerService; 13023 } 13024 13025 private boolean userNeedsBadging(int userId) { 13026 int index = mUserNeedsBadging.indexOfKey(userId); 13027 if (index < 0) { 13028 final UserInfo userInfo; 13029 final long token = Binder.clearCallingIdentity(); 13030 try { 13031 userInfo = sUserManager.getUserInfo(userId); 13032 } finally { 13033 Binder.restoreCallingIdentity(token); 13034 } 13035 final boolean b; 13036 if (userInfo != null && userInfo.isManagedProfile()) { 13037 b = true; 13038 } else { 13039 b = false; 13040 } 13041 mUserNeedsBadging.put(userId, b); 13042 return b; 13043 } 13044 return mUserNeedsBadging.valueAt(index); 13045 } 13046} 13047