PackageManagerService.java revision 6728239cfe8a71d3294b9368a4af73e427a2341c
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.os.Process.PACKAGE_INFO_GID; 28import static android.os.Process.SYSTEM_UID; 29import static android.system.OsConstants.S_IRGRP; 30import static android.system.OsConstants.S_IROTH; 31import static android.system.OsConstants.S_IRWXU; 32import static android.system.OsConstants.S_IXGRP; 33import static android.system.OsConstants.S_IXOTH; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 36import static com.android.internal.util.ArrayUtils.appendInt; 37import static com.android.internal.util.ArrayUtils.removeInt; 38 39import android.util.ArrayMap; 40import com.android.internal.R; 41import com.android.internal.app.IMediaContainerService; 42import com.android.internal.app.ResolverActivity; 43import com.android.internal.content.NativeLibraryHelper; 44import com.android.internal.content.NativeLibraryHelper.ApkHandle; 45import com.android.internal.content.PackageHelper; 46import com.android.internal.util.ArrayUtils; 47import com.android.internal.util.FastPrintWriter; 48import com.android.internal.util.FastXmlSerializer; 49import com.android.internal.util.XmlUtils; 50import com.android.server.EventLogTags; 51import com.android.server.IntentResolver; 52import com.android.server.LocalServices; 53import com.android.server.ServiceThread; 54import com.android.server.SystemConfig; 55import com.android.server.Watchdog; 56import com.android.server.pm.Settings.DatabaseVersion; 57import com.android.server.storage.DeviceStorageMonitorInternal; 58 59import org.xmlpull.v1.XmlPullParser; 60import org.xmlpull.v1.XmlPullParserException; 61import org.xmlpull.v1.XmlSerializer; 62 63import android.app.ActivityManager; 64import android.app.ActivityManagerNative; 65import android.app.IActivityManager; 66import android.app.PackageInstallObserver; 67import android.app.admin.IDevicePolicyManager; 68import android.app.backup.IBackupManager; 69import android.content.BroadcastReceiver; 70import android.content.ComponentName; 71import android.content.Context; 72import android.content.IIntentReceiver; 73import android.content.Intent; 74import android.content.IntentFilter; 75import android.content.IntentSender; 76import android.content.IntentSender.SendIntentException; 77import android.content.ServiceConnection; 78import android.content.pm.ActivityInfo; 79import android.content.pm.ApplicationInfo; 80import android.content.pm.ContainerEncryptionParams; 81import android.content.pm.FeatureInfo; 82import android.content.pm.IPackageDataObserver; 83import android.content.pm.IPackageDeleteObserver; 84import android.content.pm.IPackageInstallObserver; 85import android.content.pm.IPackageInstallObserver2; 86import android.content.pm.IPackageInstaller; 87import android.content.pm.IPackageManager; 88import android.content.pm.IPackageMoveObserver; 89import android.content.pm.IPackageStatsObserver; 90import android.content.pm.InstrumentationInfo; 91import android.content.pm.ManifestDigest; 92import android.content.pm.PackageCleanItem; 93import android.content.pm.PackageInfo; 94import android.content.pm.PackageInfoLite; 95import android.content.pm.PackageManager; 96import android.content.pm.PackageParser.ActivityIntentInfo; 97import android.content.pm.PackageParser.PackageParserException; 98import android.content.pm.PackageParser; 99import android.content.pm.PackageStats; 100import android.content.pm.PackageUserState; 101import android.content.pm.ParceledListSlice; 102import android.content.pm.PermissionGroupInfo; 103import android.content.pm.PermissionInfo; 104import android.content.pm.ProviderInfo; 105import android.content.pm.ResolveInfo; 106import android.content.pm.ServiceInfo; 107import android.content.pm.Signature; 108import android.content.pm.UserInfo; 109import android.content.pm.VerificationParams; 110import android.content.pm.VerifierDeviceIdentity; 111import android.content.pm.VerifierInfo; 112import android.content.res.Resources; 113import android.hardware.display.DisplayManager; 114import android.net.Uri; 115import android.os.Binder; 116import android.os.Build; 117import android.os.Bundle; 118import android.os.Environment; 119import android.os.Environment.UserEnvironment; 120import android.os.FileObserver; 121import android.os.FileUtils; 122import android.os.Handler; 123import android.os.IBinder; 124import android.os.Looper; 125import android.os.Message; 126import android.os.Parcel; 127import android.os.ParcelFileDescriptor; 128import android.os.Process; 129import android.os.RemoteException; 130import android.os.SELinux; 131import android.os.ServiceManager; 132import android.os.SystemClock; 133import android.os.SystemProperties; 134import android.os.UserHandle; 135import android.os.UserManager; 136import android.security.KeyStore; 137import android.security.SystemKeyStore; 138import android.system.ErrnoException; 139import android.system.Os; 140import android.system.StructStat; 141import android.text.TextUtils; 142import android.util.ArraySet; 143import android.util.AtomicFile; 144import android.util.DisplayMetrics; 145import android.util.EventLog; 146import android.util.Log; 147import android.util.LogPrinter; 148import android.util.PrintStreamPrinter; 149import android.util.Slog; 150import android.util.SparseArray; 151import android.util.SparseBooleanArray; 152import android.util.Xml; 153import android.view.Display; 154 155import java.io.BufferedInputStream; 156import java.io.BufferedOutputStream; 157import java.io.File; 158import java.io.FileDescriptor; 159import java.io.FileInputStream; 160import java.io.FileNotFoundException; 161import java.io.FileOutputStream; 162import java.io.FileReader; 163import java.io.FilenameFilter; 164import java.io.IOException; 165import java.io.InputStream; 166import java.io.PrintWriter; 167import java.nio.charset.StandardCharsets; 168import java.security.NoSuchAlgorithmException; 169import java.security.PublicKey; 170import java.security.cert.CertificateEncodingException; 171import java.security.cert.CertificateException; 172import java.text.SimpleDateFormat; 173import java.util.ArrayList; 174import java.util.Arrays; 175import java.util.Collection; 176import java.util.Collections; 177import java.util.Comparator; 178import java.util.Date; 179import java.util.HashMap; 180import java.util.HashSet; 181import java.util.Iterator; 182import java.util.List; 183import java.util.Map; 184import java.util.Set; 185import java.util.concurrent.atomic.AtomicBoolean; 186import java.util.concurrent.atomic.AtomicLong; 187 188import dalvik.system.DexFile; 189import dalvik.system.StaleDexCacheError; 190import dalvik.system.VMRuntime; 191 192import libcore.io.IoUtils; 193 194/** 195 * Keep track of all those .apks everywhere. 196 * 197 * This is very central to the platform's security; please run the unit 198 * tests whenever making modifications here: 199 * 200mmm frameworks/base/tests/AndroidTests 201adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 202adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 203 * 204 * {@hide} 205 */ 206public class PackageManagerService extends IPackageManager.Stub { 207 static final String TAG = "PackageManager"; 208 static final boolean DEBUG_SETTINGS = false; 209 static final boolean DEBUG_PREFERRED = false; 210 static final boolean DEBUG_UPGRADE = false; 211 private static final boolean DEBUG_INSTALL = false; 212 private static final boolean DEBUG_REMOVE = false; 213 private static final boolean DEBUG_BROADCASTS = false; 214 private static final boolean DEBUG_SHOW_INFO = false; 215 private static final boolean DEBUG_PACKAGE_INFO = false; 216 private static final boolean DEBUG_INTENT_MATCHING = false; 217 private static final boolean DEBUG_PACKAGE_SCANNING = false; 218 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 219 private static final boolean DEBUG_VERIFY = false; 220 private static final boolean DEBUG_DEXOPT = false; 221 222 private static final int RADIO_UID = Process.PHONE_UID; 223 private static final int LOG_UID = Process.LOG_UID; 224 private static final int NFC_UID = Process.NFC_UID; 225 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 226 private static final int SHELL_UID = Process.SHELL_UID; 227 228 // Cap the size of permission trees that 3rd party apps can define 229 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 230 231 private static final int REMOVE_EVENTS = 232 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 233 private static final int ADD_EVENTS = 234 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 235 236 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 237 // Suffix used during package installation when copying/moving 238 // package apks to install directory. 239 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 240 241 static final int SCAN_MONITOR = 1<<0; 242 static final int SCAN_NO_DEX = 1<<1; 243 static final int SCAN_FORCE_DEX = 1<<2; 244 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 245 static final int SCAN_NEW_INSTALL = 1<<4; 246 static final int SCAN_NO_PATHS = 1<<5; 247 static final int SCAN_UPDATE_TIME = 1<<6; 248 static final int SCAN_DEFER_DEX = 1<<7; 249 static final int SCAN_BOOTING = 1<<8; 250 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 251 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 252 253 static final int REMOVE_CHATTY = 1<<16; 254 255 /** 256 * Timeout (in milliseconds) after which the watchdog should declare that 257 * our handler thread is wedged. The usual default for such things is one 258 * minute but we sometimes do very lengthy I/O operations on this thread, 259 * such as installing multi-gigabyte applications, so ours needs to be longer. 260 */ 261 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 262 263 /** 264 * Whether verification is enabled by default. 265 */ 266 private static final boolean DEFAULT_VERIFY_ENABLE = true; 267 268 /** 269 * The default maximum time to wait for the verification agent to return in 270 * milliseconds. 271 */ 272 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 273 274 /** 275 * The default response for package verification timeout. 276 * 277 * This can be either PackageManager.VERIFICATION_ALLOW or 278 * PackageManager.VERIFICATION_REJECT. 279 */ 280 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 281 282 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 283 284 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 285 DEFAULT_CONTAINER_PACKAGE, 286 "com.android.defcontainer.DefaultContainerService"); 287 288 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 289 290 private static final String LIB_DIR_NAME = "lib"; 291 private static final String LIB64_DIR_NAME = "lib64"; 292 293 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 294 295 static final String mTempContainerPrefix = "smdl2tmp"; 296 297 private static String sPreferredInstructionSet; 298 299 final ServiceThread mHandlerThread; 300 301 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 302 private static final String IDMAP_SUFFIX = "@idmap"; 303 304 final PackageHandler mHandler; 305 306 final int mSdkVersion = Build.VERSION.SDK_INT; 307 308 final Context mContext; 309 final boolean mFactoryTest; 310 final boolean mOnlyCore; 311 final DisplayMetrics mMetrics; 312 final int mDefParseFlags; 313 final String[] mSeparateProcesses; 314 315 // This is where all application persistent data goes. 316 final File mAppDataDir; 317 318 // This is where all application persistent data goes for secondary users. 319 final File mUserAppDataDir; 320 321 /** The location for ASEC container files on internal storage. */ 322 final String mAsecInternalPath; 323 324 // This is the object monitoring the framework dir. 325 final FileObserver mFrameworkInstallObserver; 326 327 // This is the object monitoring the system app dir. 328 final FileObserver mSystemInstallObserver; 329 330 // This is the object monitoring the privileged system app dir. 331 final FileObserver mPrivilegedInstallObserver; 332 333 // This is the object monitoring the vendor app dir. 334 final FileObserver mVendorInstallObserver; 335 336 // This is the object monitoring the vendor overlay package dir. 337 final FileObserver mVendorOverlayInstallObserver; 338 339 // This is the object monitoring the OEM app dir. 340 final FileObserver mOemInstallObserver; 341 342 // This is the object monitoring mAppInstallDir. 343 final FileObserver mAppInstallObserver; 344 345 // This is the object monitoring mDrmAppPrivateInstallDir. 346 final FileObserver mDrmAppInstallObserver; 347 348 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 349 // LOCK HELD. Can be called with mInstallLock held. 350 final Installer mInstaller; 351 352 final File mAppInstallDir; 353 354 /** 355 * Directory to which applications installed internally have native 356 * libraries copied. 357 */ 358 private File mAppLibInstallDir; 359 360 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 361 // apps. 362 final File mDrmAppPrivateInstallDir; 363 364 final File mAppStagingDir; 365 366 // ---------------------------------------------------------------- 367 368 // Lock for state used when installing and doing other long running 369 // operations. Methods that must be called with this lock held have 370 // the suffix "LI". 371 final Object mInstallLock = new Object(); 372 373 // These are the directories in the 3rd party applications installed dir 374 // that we have currently loaded packages from. Keys are the application's 375 // installed zip file (absolute codePath), and values are Package. 376 final HashMap<String, PackageParser.Package> mAppDirs = 377 new HashMap<String, PackageParser.Package>(); 378 379 // Information for the parser to write more useful error messages. 380 int mLastScanError; 381 382 // ---------------------------------------------------------------- 383 384 // Keys are String (package name), values are Package. This also serves 385 // as the lock for the global state. Methods that must be called with 386 // this lock held have the prefix "LP". 387 final HashMap<String, PackageParser.Package> mPackages = 388 new HashMap<String, PackageParser.Package>(); 389 390 // Tracks available target package names -> overlay package paths. 391 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 392 new HashMap<String, HashMap<String, PackageParser.Package>>(); 393 394 final Settings mSettings; 395 boolean mRestoredSettings; 396 397 // System configuration read by SystemConfig. 398 final int[] mGlobalGids; 399 final SparseArray<HashSet<String>> mSystemPermissions; 400 final HashMap<String, FeatureInfo> mAvailableFeatures; 401 402 // If mac_permissions.xml was found for seinfo labeling. 403 boolean mFoundPolicyFile; 404 405 // If a recursive restorecon of /data/data/<pkg> is needed. 406 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 407 408 public static final class SharedLibraryEntry { 409 public final String path; 410 public final String apk; 411 412 SharedLibraryEntry(String _path, String _apk) { 413 path = _path; 414 apk = _apk; 415 } 416 } 417 418 // Currently known shared libraries. 419 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 420 new HashMap<String, SharedLibraryEntry>(); 421 422 // All available activities, for your resolving pleasure. 423 final ActivityIntentResolver mActivities = 424 new ActivityIntentResolver(); 425 426 // All available receivers, for your resolving pleasure. 427 final ActivityIntentResolver mReceivers = 428 new ActivityIntentResolver(); 429 430 // All available services, for your resolving pleasure. 431 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 432 433 // All available providers, for your resolving pleasure. 434 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 435 436 // Mapping from provider base names (first directory in content URI codePath) 437 // to the provider information. 438 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 439 new HashMap<String, PackageParser.Provider>(); 440 441 // Mapping from instrumentation class names to info about them. 442 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 443 new HashMap<ComponentName, PackageParser.Instrumentation>(); 444 445 // Mapping from permission names to info about them. 446 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 447 new HashMap<String, PackageParser.PermissionGroup>(); 448 449 // Packages whose data we have transfered into another package, thus 450 // should no longer exist. 451 final HashSet<String> mTransferedPackages = new HashSet<String>(); 452 453 // Broadcast actions that are only available to the system. 454 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 455 456 /** List of packages waiting for verification. */ 457 final SparseArray<PackageVerificationState> mPendingVerification 458 = new SparseArray<PackageVerificationState>(); 459 460 final PackageInstallerService mInstallerService; 461 462 HashSet<PackageParser.Package> mDeferredDexOpt = null; 463 464 // Cache of users who need badging. 465 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 466 467 /** Token for keys in mPendingVerification. */ 468 private int mPendingVerificationToken = 0; 469 470 boolean mSystemReady; 471 boolean mSafeMode; 472 boolean mHasSystemUidErrors; 473 474 ApplicationInfo mAndroidApplication; 475 final ActivityInfo mResolveActivity = new ActivityInfo(); 476 final ResolveInfo mResolveInfo = new ResolveInfo(); 477 ComponentName mResolveComponentName; 478 PackageParser.Package mPlatformPackage; 479 ComponentName mCustomResolverComponentName; 480 481 boolean mResolverReplaced = false; 482 483 // Set of pending broadcasts for aggregating enable/disable of components. 484 static class PendingPackageBroadcasts { 485 // for each user id, a map of <package name -> components within that package> 486 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 487 488 public PendingPackageBroadcasts() { 489 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 490 } 491 492 public ArrayList<String> get(int userId, String packageName) { 493 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 494 return packages.get(packageName); 495 } 496 497 public void put(int userId, String packageName, ArrayList<String> components) { 498 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 499 packages.put(packageName, components); 500 } 501 502 public void remove(int userId, String packageName) { 503 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 504 if (packages != null) { 505 packages.remove(packageName); 506 } 507 } 508 509 public void remove(int userId) { 510 mUidMap.remove(userId); 511 } 512 513 public int userIdCount() { 514 return mUidMap.size(); 515 } 516 517 public int userIdAt(int n) { 518 return mUidMap.keyAt(n); 519 } 520 521 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 522 return mUidMap.get(userId); 523 } 524 525 public int size() { 526 // total number of pending broadcast entries across all userIds 527 int num = 0; 528 for (int i = 0; i< mUidMap.size(); i++) { 529 num += mUidMap.valueAt(i).size(); 530 } 531 return num; 532 } 533 534 public void clear() { 535 mUidMap.clear(); 536 } 537 538 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 539 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 540 if (map == null) { 541 map = new HashMap<String, ArrayList<String>>(); 542 mUidMap.put(userId, map); 543 } 544 return map; 545 } 546 } 547 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 548 549 // Service Connection to remote media container service to copy 550 // package uri's from external media onto secure containers 551 // or internal storage. 552 private IMediaContainerService mContainerService = null; 553 554 static final int SEND_PENDING_BROADCAST = 1; 555 static final int MCS_BOUND = 3; 556 static final int END_COPY = 4; 557 static final int INIT_COPY = 5; 558 static final int MCS_UNBIND = 6; 559 static final int START_CLEANING_PACKAGE = 7; 560 static final int FIND_INSTALL_LOC = 8; 561 static final int POST_INSTALL = 9; 562 static final int MCS_RECONNECT = 10; 563 static final int MCS_GIVE_UP = 11; 564 static final int UPDATED_MEDIA_STATUS = 12; 565 static final int WRITE_SETTINGS = 13; 566 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 567 static final int PACKAGE_VERIFIED = 15; 568 static final int CHECK_PENDING_VERIFICATION = 16; 569 570 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 571 572 // Delay time in millisecs 573 static final int BROADCAST_DELAY = 10 * 1000; 574 575 static UserManagerService sUserManager; 576 577 // Stores a list of users whose package restrictions file needs to be updated 578 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 579 580 final private DefaultContainerConnection mDefContainerConn = 581 new DefaultContainerConnection(); 582 class DefaultContainerConnection implements ServiceConnection { 583 public void onServiceConnected(ComponentName name, IBinder service) { 584 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 585 IMediaContainerService imcs = 586 IMediaContainerService.Stub.asInterface(service); 587 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 588 } 589 590 public void onServiceDisconnected(ComponentName name) { 591 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 592 } 593 }; 594 595 // Recordkeeping of restore-after-install operations that are currently in flight 596 // between the Package Manager and the Backup Manager 597 class PostInstallData { 598 public InstallArgs args; 599 public PackageInstalledInfo res; 600 601 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 602 args = _a; 603 res = _r; 604 } 605 }; 606 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 607 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 608 609 private final String mRequiredVerifierPackage; 610 611 private final PackageUsage mPackageUsage = new PackageUsage(); 612 613 private class PackageUsage { 614 private static final int WRITE_INTERVAL 615 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 616 617 private final Object mFileLock = new Object(); 618 private final AtomicLong mLastWritten = new AtomicLong(0); 619 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 620 621 private boolean mIsHistoricalPackageUsageAvailable = true; 622 623 boolean isHistoricalPackageUsageAvailable() { 624 return mIsHistoricalPackageUsageAvailable; 625 } 626 627 void write(boolean force) { 628 if (force) { 629 writeInternal(); 630 return; 631 } 632 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 633 && !DEBUG_DEXOPT) { 634 return; 635 } 636 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 637 new Thread("PackageUsage_DiskWriter") { 638 @Override 639 public void run() { 640 try { 641 writeInternal(); 642 } finally { 643 mBackgroundWriteRunning.set(false); 644 } 645 } 646 }.start(); 647 } 648 } 649 650 private void writeInternal() { 651 synchronized (mPackages) { 652 synchronized (mFileLock) { 653 AtomicFile file = getFile(); 654 FileOutputStream f = null; 655 try { 656 f = file.startWrite(); 657 BufferedOutputStream out = new BufferedOutputStream(f); 658 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 659 StringBuilder sb = new StringBuilder(); 660 for (PackageParser.Package pkg : mPackages.values()) { 661 if (pkg.mLastPackageUsageTimeInMills == 0) { 662 continue; 663 } 664 sb.setLength(0); 665 sb.append(pkg.packageName); 666 sb.append(' '); 667 sb.append((long)pkg.mLastPackageUsageTimeInMills); 668 sb.append('\n'); 669 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 670 } 671 out.flush(); 672 file.finishWrite(f); 673 } catch (IOException e) { 674 if (f != null) { 675 file.failWrite(f); 676 } 677 Log.e(TAG, "Failed to write package usage times", e); 678 } 679 } 680 } 681 mLastWritten.set(SystemClock.elapsedRealtime()); 682 } 683 684 void readLP() { 685 synchronized (mFileLock) { 686 AtomicFile file = getFile(); 687 BufferedInputStream in = null; 688 try { 689 in = new BufferedInputStream(file.openRead()); 690 StringBuffer sb = new StringBuffer(); 691 while (true) { 692 String packageName = readToken(in, sb, ' '); 693 if (packageName == null) { 694 break; 695 } 696 String timeInMillisString = readToken(in, sb, '\n'); 697 if (timeInMillisString == null) { 698 throw new IOException("Failed to find last usage time for package " 699 + packageName); 700 } 701 PackageParser.Package pkg = mPackages.get(packageName); 702 if (pkg == null) { 703 continue; 704 } 705 long timeInMillis; 706 try { 707 timeInMillis = Long.parseLong(timeInMillisString.toString()); 708 } catch (NumberFormatException e) { 709 throw new IOException("Failed to parse " + timeInMillisString 710 + " as a long.", e); 711 } 712 pkg.mLastPackageUsageTimeInMills = timeInMillis; 713 } 714 } catch (FileNotFoundException expected) { 715 mIsHistoricalPackageUsageAvailable = false; 716 } catch (IOException e) { 717 Log.w(TAG, "Failed to read package usage times", e); 718 } finally { 719 IoUtils.closeQuietly(in); 720 } 721 } 722 mLastWritten.set(SystemClock.elapsedRealtime()); 723 } 724 725 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 726 throws IOException { 727 sb.setLength(0); 728 while (true) { 729 int ch = in.read(); 730 if (ch == -1) { 731 if (sb.length() == 0) { 732 return null; 733 } 734 throw new IOException("Unexpected EOF"); 735 } 736 if (ch == endOfToken) { 737 return sb.toString(); 738 } 739 sb.append((char)ch); 740 } 741 } 742 743 private AtomicFile getFile() { 744 File dataDir = Environment.getDataDirectory(); 745 File systemDir = new File(dataDir, "system"); 746 File fname = new File(systemDir, "package-usage.list"); 747 return new AtomicFile(fname); 748 } 749 } 750 751 class PackageHandler extends Handler { 752 private boolean mBound = false; 753 final ArrayList<HandlerParams> mPendingInstalls = 754 new ArrayList<HandlerParams>(); 755 756 private boolean connectToService() { 757 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 758 " DefaultContainerService"); 759 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 760 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 761 if (mContext.bindServiceAsUser(service, mDefContainerConn, 762 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 763 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 764 mBound = true; 765 return true; 766 } 767 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 768 return false; 769 } 770 771 private void disconnectService() { 772 mContainerService = null; 773 mBound = false; 774 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 775 mContext.unbindService(mDefContainerConn); 776 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 777 } 778 779 PackageHandler(Looper looper) { 780 super(looper); 781 } 782 783 public void handleMessage(Message msg) { 784 try { 785 doHandleMessage(msg); 786 } finally { 787 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 788 } 789 } 790 791 void doHandleMessage(Message msg) { 792 switch (msg.what) { 793 case INIT_COPY: { 794 HandlerParams params = (HandlerParams) msg.obj; 795 int idx = mPendingInstalls.size(); 796 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 797 // If a bind was already initiated we dont really 798 // need to do anything. The pending install 799 // will be processed later on. 800 if (!mBound) { 801 // If this is the only one pending we might 802 // have to bind to the service again. 803 if (!connectToService()) { 804 Slog.e(TAG, "Failed to bind to media container service"); 805 params.serviceError(); 806 return; 807 } else { 808 // Once we bind to the service, the first 809 // pending request will be processed. 810 mPendingInstalls.add(idx, params); 811 } 812 } else { 813 mPendingInstalls.add(idx, params); 814 // Already bound to the service. Just make 815 // sure we trigger off processing the first request. 816 if (idx == 0) { 817 mHandler.sendEmptyMessage(MCS_BOUND); 818 } 819 } 820 break; 821 } 822 case MCS_BOUND: { 823 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 824 if (msg.obj != null) { 825 mContainerService = (IMediaContainerService) msg.obj; 826 } 827 if (mContainerService == null) { 828 // Something seriously wrong. Bail out 829 Slog.e(TAG, "Cannot bind to media container service"); 830 for (HandlerParams params : mPendingInstalls) { 831 // Indicate service bind error 832 params.serviceError(); 833 } 834 mPendingInstalls.clear(); 835 } else if (mPendingInstalls.size() > 0) { 836 HandlerParams params = mPendingInstalls.get(0); 837 if (params != null) { 838 if (params.startCopy()) { 839 // We are done... look for more work or to 840 // go idle. 841 if (DEBUG_SD_INSTALL) Log.i(TAG, 842 "Checking for more work or unbind..."); 843 // Delete pending install 844 if (mPendingInstalls.size() > 0) { 845 mPendingInstalls.remove(0); 846 } 847 if (mPendingInstalls.size() == 0) { 848 if (mBound) { 849 if (DEBUG_SD_INSTALL) Log.i(TAG, 850 "Posting delayed MCS_UNBIND"); 851 removeMessages(MCS_UNBIND); 852 Message ubmsg = obtainMessage(MCS_UNBIND); 853 // Unbind after a little delay, to avoid 854 // continual thrashing. 855 sendMessageDelayed(ubmsg, 10000); 856 } 857 } else { 858 // There are more pending requests in queue. 859 // Just post MCS_BOUND message to trigger processing 860 // of next pending install. 861 if (DEBUG_SD_INSTALL) Log.i(TAG, 862 "Posting MCS_BOUND for next work"); 863 mHandler.sendEmptyMessage(MCS_BOUND); 864 } 865 } 866 } 867 } else { 868 // Should never happen ideally. 869 Slog.w(TAG, "Empty queue"); 870 } 871 break; 872 } 873 case MCS_RECONNECT: { 874 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 875 if (mPendingInstalls.size() > 0) { 876 if (mBound) { 877 disconnectService(); 878 } 879 if (!connectToService()) { 880 Slog.e(TAG, "Failed to bind to media container service"); 881 for (HandlerParams params : mPendingInstalls) { 882 // Indicate service bind error 883 params.serviceError(); 884 } 885 mPendingInstalls.clear(); 886 } 887 } 888 break; 889 } 890 case MCS_UNBIND: { 891 // If there is no actual work left, then time to unbind. 892 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 893 894 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 895 if (mBound) { 896 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 897 898 disconnectService(); 899 } 900 } else if (mPendingInstalls.size() > 0) { 901 // There are more pending requests in queue. 902 // Just post MCS_BOUND message to trigger processing 903 // of next pending install. 904 mHandler.sendEmptyMessage(MCS_BOUND); 905 } 906 907 break; 908 } 909 case MCS_GIVE_UP: { 910 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 911 mPendingInstalls.remove(0); 912 break; 913 } 914 case SEND_PENDING_BROADCAST: { 915 String packages[]; 916 ArrayList<String> components[]; 917 int size = 0; 918 int uids[]; 919 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 920 synchronized (mPackages) { 921 if (mPendingBroadcasts == null) { 922 return; 923 } 924 size = mPendingBroadcasts.size(); 925 if (size <= 0) { 926 // Nothing to be done. Just return 927 return; 928 } 929 packages = new String[size]; 930 components = new ArrayList[size]; 931 uids = new int[size]; 932 int i = 0; // filling out the above arrays 933 934 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 935 int packageUserId = mPendingBroadcasts.userIdAt(n); 936 Iterator<Map.Entry<String, ArrayList<String>>> it 937 = mPendingBroadcasts.packagesForUserId(packageUserId) 938 .entrySet().iterator(); 939 while (it.hasNext() && i < size) { 940 Map.Entry<String, ArrayList<String>> ent = it.next(); 941 packages[i] = ent.getKey(); 942 components[i] = ent.getValue(); 943 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 944 uids[i] = (ps != null) 945 ? UserHandle.getUid(packageUserId, ps.appId) 946 : -1; 947 i++; 948 } 949 } 950 size = i; 951 mPendingBroadcasts.clear(); 952 } 953 // Send broadcasts 954 for (int i = 0; i < size; i++) { 955 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 956 } 957 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 958 break; 959 } 960 case START_CLEANING_PACKAGE: { 961 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 962 final String packageName = (String)msg.obj; 963 final int userId = msg.arg1; 964 final boolean andCode = msg.arg2 != 0; 965 synchronized (mPackages) { 966 if (userId == UserHandle.USER_ALL) { 967 int[] users = sUserManager.getUserIds(); 968 for (int user : users) { 969 mSettings.addPackageToCleanLPw( 970 new PackageCleanItem(user, packageName, andCode)); 971 } 972 } else { 973 mSettings.addPackageToCleanLPw( 974 new PackageCleanItem(userId, packageName, andCode)); 975 } 976 } 977 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 978 startCleaningPackages(); 979 } break; 980 case POST_INSTALL: { 981 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 982 PostInstallData data = mRunningInstalls.get(msg.arg1); 983 mRunningInstalls.delete(msg.arg1); 984 boolean deleteOld = false; 985 986 if (data != null) { 987 InstallArgs args = data.args; 988 PackageInstalledInfo res = data.res; 989 990 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 991 res.removedInfo.sendBroadcast(false, true, false); 992 Bundle extras = new Bundle(1); 993 extras.putInt(Intent.EXTRA_UID, res.uid); 994 // Determine the set of users who are adding this 995 // package for the first time vs. those who are seeing 996 // an update. 997 int[] firstUsers; 998 int[] updateUsers = new int[0]; 999 if (res.origUsers == null || res.origUsers.length == 0) { 1000 firstUsers = res.newUsers; 1001 } else { 1002 firstUsers = new int[0]; 1003 for (int i=0; i<res.newUsers.length; i++) { 1004 int user = res.newUsers[i]; 1005 boolean isNew = true; 1006 for (int j=0; j<res.origUsers.length; j++) { 1007 if (res.origUsers[j] == user) { 1008 isNew = false; 1009 break; 1010 } 1011 } 1012 if (isNew) { 1013 int[] newFirst = new int[firstUsers.length+1]; 1014 System.arraycopy(firstUsers, 0, newFirst, 0, 1015 firstUsers.length); 1016 newFirst[firstUsers.length] = user; 1017 firstUsers = newFirst; 1018 } else { 1019 int[] newUpdate = new int[updateUsers.length+1]; 1020 System.arraycopy(updateUsers, 0, newUpdate, 0, 1021 updateUsers.length); 1022 newUpdate[updateUsers.length] = user; 1023 updateUsers = newUpdate; 1024 } 1025 } 1026 } 1027 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1028 res.pkg.applicationInfo.packageName, 1029 extras, null, null, firstUsers); 1030 final boolean update = res.removedInfo.removedPackage != null; 1031 if (update) { 1032 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1033 } 1034 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1035 res.pkg.applicationInfo.packageName, 1036 extras, null, null, updateUsers); 1037 if (update) { 1038 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1039 res.pkg.applicationInfo.packageName, 1040 extras, null, null, updateUsers); 1041 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1042 null, null, 1043 res.pkg.applicationInfo.packageName, null, updateUsers); 1044 1045 // treat asec-hosted packages like removable media on upgrade 1046 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1047 if (DEBUG_INSTALL) { 1048 Slog.i(TAG, "upgrading pkg " + res.pkg 1049 + " is ASEC-hosted -> AVAILABLE"); 1050 } 1051 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1052 ArrayList<String> pkgList = new ArrayList<String>(1); 1053 pkgList.add(res.pkg.applicationInfo.packageName); 1054 sendResourcesChangedBroadcast(true, true, 1055 pkgList,uidArray, null); 1056 } 1057 } 1058 if (res.removedInfo.args != null) { 1059 // Remove the replaced package's older resources safely now 1060 deleteOld = true; 1061 } 1062 1063 // Log current value of "unknown sources" setting 1064 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1065 getUnknownSourcesSettings()); 1066 } 1067 // Force a gc to clear up things 1068 Runtime.getRuntime().gc(); 1069 // We delete after a gc for applications on sdcard. 1070 if (deleteOld) { 1071 synchronized (mInstallLock) { 1072 res.removedInfo.args.doPostDeleteLI(true); 1073 } 1074 } 1075 if (args.observer != null) { 1076 try { 1077 args.observer.packageInstalled(res.name, res.returnCode); 1078 } catch (RemoteException e) { 1079 Slog.i(TAG, "Observer no longer exists."); 1080 } 1081 } 1082 if (args.observer2 != null) { 1083 try { 1084 Bundle extras = extrasForInstallResult(res); 1085 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1086 } catch (RemoteException e) { 1087 Slog.i(TAG, "Observer no longer exists."); 1088 } 1089 } 1090 } else { 1091 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1092 } 1093 } break; 1094 case UPDATED_MEDIA_STATUS: { 1095 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1096 boolean reportStatus = msg.arg1 == 1; 1097 boolean doGc = msg.arg2 == 1; 1098 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1099 if (doGc) { 1100 // Force a gc to clear up stale containers. 1101 Runtime.getRuntime().gc(); 1102 } 1103 if (msg.obj != null) { 1104 @SuppressWarnings("unchecked") 1105 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1106 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1107 // Unload containers 1108 unloadAllContainers(args); 1109 } 1110 if (reportStatus) { 1111 try { 1112 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1113 PackageHelper.getMountService().finishMediaUpdate(); 1114 } catch (RemoteException e) { 1115 Log.e(TAG, "MountService not running?"); 1116 } 1117 } 1118 } break; 1119 case WRITE_SETTINGS: { 1120 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1121 synchronized (mPackages) { 1122 removeMessages(WRITE_SETTINGS); 1123 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1124 mSettings.writeLPr(); 1125 mDirtyUsers.clear(); 1126 } 1127 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1128 } break; 1129 case WRITE_PACKAGE_RESTRICTIONS: { 1130 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1131 synchronized (mPackages) { 1132 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1133 for (int userId : mDirtyUsers) { 1134 mSettings.writePackageRestrictionsLPr(userId); 1135 } 1136 mDirtyUsers.clear(); 1137 } 1138 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1139 } break; 1140 case CHECK_PENDING_VERIFICATION: { 1141 final int verificationId = msg.arg1; 1142 final PackageVerificationState state = mPendingVerification.get(verificationId); 1143 1144 if ((state != null) && !state.timeoutExtended()) { 1145 final InstallArgs args = state.getInstallArgs(); 1146 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1147 mPendingVerification.remove(verificationId); 1148 1149 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1150 1151 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1152 Slog.i(TAG, "Continuing with installation of " 1153 + args.packageURI.toString()); 1154 state.setVerifierResponse(Binder.getCallingUid(), 1155 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1156 broadcastPackageVerified(verificationId, args.packageURI, 1157 PackageManager.VERIFICATION_ALLOW, 1158 state.getInstallArgs().getUser()); 1159 try { 1160 ret = args.copyApk(mContainerService, true); 1161 } catch (RemoteException e) { 1162 Slog.e(TAG, "Could not contact the ContainerService"); 1163 } 1164 } else { 1165 broadcastPackageVerified(verificationId, args.packageURI, 1166 PackageManager.VERIFICATION_REJECT, 1167 state.getInstallArgs().getUser()); 1168 } 1169 1170 processPendingInstall(args, ret); 1171 mHandler.sendEmptyMessage(MCS_UNBIND); 1172 } 1173 break; 1174 } 1175 case PACKAGE_VERIFIED: { 1176 final int verificationId = msg.arg1; 1177 1178 final PackageVerificationState state = mPendingVerification.get(verificationId); 1179 if (state == null) { 1180 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1181 break; 1182 } 1183 1184 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1185 1186 state.setVerifierResponse(response.callerUid, response.code); 1187 1188 if (state.isVerificationComplete()) { 1189 mPendingVerification.remove(verificationId); 1190 1191 final InstallArgs args = state.getInstallArgs(); 1192 1193 int ret; 1194 if (state.isInstallAllowed()) { 1195 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1196 broadcastPackageVerified(verificationId, args.packageURI, 1197 response.code, state.getInstallArgs().getUser()); 1198 try { 1199 ret = args.copyApk(mContainerService, true); 1200 } catch (RemoteException e) { 1201 Slog.e(TAG, "Could not contact the ContainerService"); 1202 } 1203 } else { 1204 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1205 } 1206 1207 processPendingInstall(args, ret); 1208 1209 mHandler.sendEmptyMessage(MCS_UNBIND); 1210 } 1211 1212 break; 1213 } 1214 } 1215 } 1216 } 1217 1218 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1219 Bundle extras = null; 1220 switch (res.returnCode) { 1221 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1222 extras = new Bundle(); 1223 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1224 res.origPermission); 1225 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1226 res.origPackage); 1227 break; 1228 } 1229 } 1230 return extras; 1231 } 1232 1233 void scheduleWriteSettingsLocked() { 1234 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1235 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1236 } 1237 } 1238 1239 void scheduleWritePackageRestrictionsLocked(int userId) { 1240 if (!sUserManager.exists(userId)) return; 1241 mDirtyUsers.add(userId); 1242 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1243 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1244 } 1245 } 1246 1247 public static final PackageManagerService main(Context context, Installer installer, 1248 boolean factoryTest, boolean onlyCore) { 1249 PackageManagerService m = new PackageManagerService(context, installer, 1250 factoryTest, onlyCore); 1251 ServiceManager.addService("package", m); 1252 return m; 1253 } 1254 1255 static String[] splitString(String str, char sep) { 1256 int count = 1; 1257 int i = 0; 1258 while ((i=str.indexOf(sep, i)) >= 0) { 1259 count++; 1260 i++; 1261 } 1262 1263 String[] res = new String[count]; 1264 i=0; 1265 count = 0; 1266 int lastI=0; 1267 while ((i=str.indexOf(sep, i)) >= 0) { 1268 res[count] = str.substring(lastI, i); 1269 count++; 1270 i++; 1271 lastI = i; 1272 } 1273 res[count] = str.substring(lastI, str.length()); 1274 return res; 1275 } 1276 1277 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1278 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1279 Context.DISPLAY_SERVICE); 1280 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1281 } 1282 1283 public PackageManagerService(Context context, Installer installer, 1284 boolean factoryTest, boolean onlyCore) { 1285 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1286 SystemClock.uptimeMillis()); 1287 1288 if (mSdkVersion <= 0) { 1289 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1290 } 1291 1292 mContext = context; 1293 mFactoryTest = factoryTest; 1294 mOnlyCore = onlyCore; 1295 mMetrics = new DisplayMetrics(); 1296 mSettings = new Settings(context); 1297 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1298 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1299 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1300 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1301 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 1310 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1311 if (separateProcesses != null && separateProcesses.length() > 0) { 1312 if ("*".equals(separateProcesses)) { 1313 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1314 mSeparateProcesses = null; 1315 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1316 } else { 1317 mDefParseFlags = 0; 1318 mSeparateProcesses = separateProcesses.split(","); 1319 Slog.w(TAG, "Running with debug.separate_processes: " 1320 + separateProcesses); 1321 } 1322 } else { 1323 mDefParseFlags = 0; 1324 mSeparateProcesses = null; 1325 } 1326 1327 mInstaller = installer; 1328 1329 getDefaultDisplayMetrics(context, mMetrics); 1330 1331 SystemConfig systemConfig = SystemConfig.getInstance(); 1332 mGlobalGids = systemConfig.getGlobalGids(); 1333 mSystemPermissions = systemConfig.getSystemPermissions(); 1334 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1335 1336 synchronized (mInstallLock) { 1337 // writer 1338 synchronized (mPackages) { 1339 mHandlerThread = new ServiceThread(TAG, 1340 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1341 mHandlerThread.start(); 1342 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1343 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1344 1345 File dataDir = Environment.getDataDirectory(); 1346 mAppDataDir = new File(dataDir, "data"); 1347 mAppInstallDir = new File(dataDir, "app"); 1348 mAppLibInstallDir = new File(dataDir, "app-lib"); 1349 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1350 mUserAppDataDir = new File(dataDir, "user"); 1351 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1352 mAppStagingDir = new File(dataDir, "app-staging"); 1353 1354 sUserManager = new UserManagerService(context, this, 1355 mInstallLock, mPackages); 1356 1357 // Propagate permission configuration in to package manager. 1358 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1359 = systemConfig.getPermissions(); 1360 for (int i=0; i<permConfig.size(); i++) { 1361 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1362 BasePermission bp = mSettings.mPermissions.get(perm.name); 1363 if (bp == null) { 1364 bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN); 1365 mSettings.mPermissions.put(perm.name, bp); 1366 } 1367 if (perm.gids != null) { 1368 bp.gids = appendInts(bp.gids, perm.gids); 1369 } 1370 } 1371 1372 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1373 for (int i=0; i<libConfig.size(); i++) { 1374 mSharedLibraries.put(libConfig.keyAt(i), 1375 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1376 } 1377 1378 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1379 1380 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1381 mSdkVersion, mOnlyCore); 1382 1383 String customResolverActivity = Resources.getSystem().getString( 1384 R.string.config_customResolverActivity); 1385 if (TextUtils.isEmpty(customResolverActivity)) { 1386 customResolverActivity = null; 1387 } else { 1388 mCustomResolverComponentName = ComponentName.unflattenFromString( 1389 customResolverActivity); 1390 } 1391 1392 long startTime = SystemClock.uptimeMillis(); 1393 1394 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1395 startTime); 1396 1397 // Set flag to monitor and not change apk file paths when 1398 // scanning install directories. 1399 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1400 1401 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1402 1403 /** 1404 * Add everything in the in the boot class path to the 1405 * list of process files because dexopt will have been run 1406 * if necessary during zygote startup. 1407 */ 1408 String bootClassPath = System.getProperty("java.boot.class.path"); 1409 if (bootClassPath != null) { 1410 String[] paths = splitString(bootClassPath, ':'); 1411 for (int i=0; i<paths.length; i++) { 1412 alreadyDexOpted.add(paths[i]); 1413 } 1414 } else { 1415 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1416 } 1417 1418 boolean didDexOptLibraryOrTool = false; 1419 1420 final List<String> instructionSets = getAllInstructionSets(); 1421 1422 /** 1423 * Ensure all external libraries have had dexopt run on them. 1424 */ 1425 if (mSharedLibraries.size() > 0) { 1426 // NOTE: For now, we're compiling these system "shared libraries" 1427 // (and framework jars) into all available architectures. It's possible 1428 // to compile them only when we come across an app that uses them (there's 1429 // already logic for that in scanPackageLI) but that adds some complexity. 1430 for (String instructionSet : instructionSets) { 1431 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1432 final String lib = libEntry.path; 1433 if (lib == null) { 1434 continue; 1435 } 1436 1437 try { 1438 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1439 alreadyDexOpted.add(lib); 1440 1441 // The list of "shared libraries" we have at this point is 1442 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1443 didDexOptLibraryOrTool = true; 1444 } 1445 } catch (FileNotFoundException e) { 1446 Slog.w(TAG, "Library not found: " + lib); 1447 } catch (IOException e) { 1448 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1449 + e.getMessage()); 1450 } 1451 } 1452 } 1453 } 1454 1455 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1456 1457 // Gross hack for now: we know this file doesn't contain any 1458 // code, so don't dexopt it to avoid the resulting log spew. 1459 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1460 1461 // Gross hack for now: we know this file is only part of 1462 // the boot class path for art, so don't dexopt it to 1463 // avoid the resulting log spew. 1464 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1465 1466 /** 1467 * And there are a number of commands implemented in Java, which 1468 * we currently need to do the dexopt on so that they can be 1469 * run from a non-root shell. 1470 */ 1471 String[] frameworkFiles = frameworkDir.list(); 1472 if (frameworkFiles != null) { 1473 // TODO: We could compile these only for the most preferred ABI. We should 1474 // first double check that the dex files for these commands are not referenced 1475 // by other system apps. 1476 for (String instructionSet : instructionSets) { 1477 for (int i=0; i<frameworkFiles.length; i++) { 1478 File libPath = new File(frameworkDir, frameworkFiles[i]); 1479 String path = libPath.getPath(); 1480 // Skip the file if we already did it. 1481 if (alreadyDexOpted.contains(path)) { 1482 continue; 1483 } 1484 // Skip the file if it is not a type we want to dexopt. 1485 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1486 continue; 1487 } 1488 try { 1489 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1490 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1491 didDexOptLibraryOrTool = true; 1492 } 1493 } catch (FileNotFoundException e) { 1494 Slog.w(TAG, "Jar not found: " + path); 1495 } catch (IOException e) { 1496 Slog.w(TAG, "Exception reading jar: " + path, e); 1497 } 1498 } 1499 } 1500 } 1501 1502 if (didDexOptLibraryOrTool) { 1503 // If we dexopted a library or tool, then something on the system has 1504 // changed. Consider this significant, and wipe away all other 1505 // existing dexopt files to ensure we don't leave any dangling around. 1506 // 1507 // TODO: This should be revisited because it isn't as good an indicator 1508 // as it used to be. It used to include the boot classpath but at some point 1509 // DexFile.isDexOptNeeded started returning false for the boot 1510 // class path files in all cases. It is very possible in a 1511 // small maintenance release update that the library and tool 1512 // jars may be unchanged but APK could be removed resulting in 1513 // unused dalvik-cache files. 1514 for (String instructionSet : instructionSets) { 1515 mInstaller.pruneDexCache(instructionSet); 1516 } 1517 1518 // Additionally, delete all dex files from the root directory 1519 // since there shouldn't be any there anyway, unless we're upgrading 1520 // from an older OS version or a build that contained the "old" style 1521 // flat scheme. 1522 mInstaller.pruneDexCache("."); 1523 } 1524 1525 // Collect vendor overlay packages. 1526 // (Do this before scanning any apps.) 1527 // For security and version matching reason, only consider 1528 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1529 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1530 mVendorOverlayInstallObserver = new AppDirObserver( 1531 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1532 mVendorOverlayInstallObserver.startWatching(); 1533 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1534 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1535 1536 // Find base frameworks (resource packages without code). 1537 mFrameworkInstallObserver = new AppDirObserver( 1538 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1539 mFrameworkInstallObserver.startWatching(); 1540 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1541 | PackageParser.PARSE_IS_SYSTEM_DIR 1542 | PackageParser.PARSE_IS_PRIVILEGED, 1543 scanMode | SCAN_NO_DEX, 0); 1544 1545 // Collected privileged system packages. 1546 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1547 mPrivilegedInstallObserver = new AppDirObserver( 1548 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1549 mPrivilegedInstallObserver.startWatching(); 1550 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1551 | PackageParser.PARSE_IS_SYSTEM_DIR 1552 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1553 1554 // Collect ordinary system packages. 1555 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1556 mSystemInstallObserver = new AppDirObserver( 1557 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1558 mSystemInstallObserver.startWatching(); 1559 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1560 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1561 1562 // Collect all vendor packages. 1563 File vendorAppDir = new File("/vendor/app"); 1564 try { 1565 vendorAppDir = vendorAppDir.getCanonicalFile(); 1566 } catch (IOException e) { 1567 // failed to look up canonical path, continue with original one 1568 } 1569 mVendorInstallObserver = new AppDirObserver( 1570 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1571 mVendorInstallObserver.startWatching(); 1572 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1573 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1574 1575 // Collect all OEM packages. 1576 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1577 mOemInstallObserver = new AppDirObserver( 1578 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1579 mOemInstallObserver.startWatching(); 1580 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1581 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1582 1583 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1584 mInstaller.moveFiles(); 1585 1586 // Prune any system packages that no longer exist. 1587 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1588 if (!mOnlyCore) { 1589 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1590 while (psit.hasNext()) { 1591 PackageSetting ps = psit.next(); 1592 1593 /* 1594 * If this is not a system app, it can't be a 1595 * disable system app. 1596 */ 1597 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1598 continue; 1599 } 1600 1601 /* 1602 * If the package is scanned, it's not erased. 1603 */ 1604 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1605 if (scannedPkg != null) { 1606 /* 1607 * If the system app is both scanned and in the 1608 * disabled packages list, then it must have been 1609 * added via OTA. Remove it from the currently 1610 * scanned package so the previously user-installed 1611 * application can be scanned. 1612 */ 1613 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1614 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1615 + "; removing system app"); 1616 removePackageLI(ps, true); 1617 } 1618 1619 continue; 1620 } 1621 1622 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1623 psit.remove(); 1624 String msg = "System package " + ps.name 1625 + " no longer exists; wiping its data"; 1626 reportSettingsProblem(Log.WARN, msg); 1627 removeDataDirsLI(ps.name); 1628 } else { 1629 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1630 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1631 possiblyDeletedUpdatedSystemApps.add(ps.name); 1632 } 1633 } 1634 } 1635 } 1636 1637 //look for any incomplete package installations 1638 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1639 //clean up list 1640 for(int i = 0; i < deletePkgsList.size(); i++) { 1641 //clean up here 1642 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1643 } 1644 //delete tmp files 1645 deleteTempPackageFiles(); 1646 1647 // Remove any shared userIDs that have no associated packages 1648 mSettings.pruneSharedUsersLPw(); 1649 1650 if (!mOnlyCore) { 1651 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1652 SystemClock.uptimeMillis()); 1653 mAppInstallObserver = new AppDirObserver( 1654 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1655 mAppInstallObserver.startWatching(); 1656 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1657 1658 mDrmAppInstallObserver = new AppDirObserver( 1659 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1660 mDrmAppInstallObserver.startWatching(); 1661 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1662 scanMode, 0); 1663 1664 /** 1665 * Remove disable package settings for any updated system 1666 * apps that were removed via an OTA. If they're not a 1667 * previously-updated app, remove them completely. 1668 * Otherwise, just revoke their system-level permissions. 1669 */ 1670 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1671 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1672 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1673 1674 String msg; 1675 if (deletedPkg == null) { 1676 msg = "Updated system package " + deletedAppName 1677 + " no longer exists; wiping its data"; 1678 removeDataDirsLI(deletedAppName); 1679 } else { 1680 msg = "Updated system app + " + deletedAppName 1681 + " no longer present; removing system privileges for " 1682 + deletedAppName; 1683 1684 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1685 1686 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1687 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1688 } 1689 reportSettingsProblem(Log.WARN, msg); 1690 } 1691 } else { 1692 mAppInstallObserver = null; 1693 mDrmAppInstallObserver = null; 1694 } 1695 1696 // Now that we know all of the shared libraries, update all clients to have 1697 // the correct library paths. 1698 updateAllSharedLibrariesLPw(); 1699 1700 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1701 // NOTE: We ignore potential failures here during a system scan (like 1702 // the rest of the commands above) because there's precious little we 1703 // can do about it. A settings error is reported, though. 1704 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1705 false /* force dexopt */, false /* defer dexopt */); 1706 } 1707 1708 // Now that we know all the packages we are keeping, 1709 // read and update their last usage times. 1710 mPackageUsage.readLP(); 1711 1712 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1713 SystemClock.uptimeMillis()); 1714 Slog.i(TAG, "Time to scan packages: " 1715 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1716 + " seconds"); 1717 1718 // If the platform SDK has changed since the last time we booted, 1719 // we need to re-grant app permission to catch any new ones that 1720 // appear. This is really a hack, and means that apps can in some 1721 // cases get permissions that the user didn't initially explicitly 1722 // allow... it would be nice to have some better way to handle 1723 // this situation. 1724 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1725 != mSdkVersion; 1726 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1727 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1728 + "; regranting permissions for internal storage"); 1729 mSettings.mInternalSdkPlatform = mSdkVersion; 1730 1731 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1732 | (regrantPermissions 1733 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1734 : 0)); 1735 1736 // If this is the first boot, and it is a normal boot, then 1737 // we need to initialize the default preferred apps. 1738 if (!mRestoredSettings && !onlyCore) { 1739 mSettings.readDefaultPreferredAppsLPw(this, 0); 1740 } 1741 1742 // All the changes are done during package scanning. 1743 mSettings.updateInternalDatabaseVersion(); 1744 1745 // can downgrade to reader 1746 mSettings.writeLPr(); 1747 1748 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1749 SystemClock.uptimeMillis()); 1750 1751 1752 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1753 } // synchronized (mPackages) 1754 } // synchronized (mInstallLock) 1755 1756 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1757 1758 // Now after opening every single application zip, make sure they 1759 // are all flushed. Not really needed, but keeps things nice and 1760 // tidy. 1761 Runtime.getRuntime().gc(); 1762 } 1763 1764 @Override 1765 public boolean isFirstBoot() { 1766 return !mRestoredSettings; 1767 } 1768 1769 @Override 1770 public boolean isOnlyCoreApps() { 1771 return mOnlyCore; 1772 } 1773 1774 private String getRequiredVerifierLPr() { 1775 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1776 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1777 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1778 1779 String requiredVerifier = null; 1780 1781 final int N = receivers.size(); 1782 for (int i = 0; i < N; i++) { 1783 final ResolveInfo info = receivers.get(i); 1784 1785 if (info.activityInfo == null) { 1786 continue; 1787 } 1788 1789 final String packageName = info.activityInfo.packageName; 1790 1791 final PackageSetting ps = mSettings.mPackages.get(packageName); 1792 if (ps == null) { 1793 continue; 1794 } 1795 1796 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1797 if (!gp.grantedPermissions 1798 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1799 continue; 1800 } 1801 1802 if (requiredVerifier != null) { 1803 throw new RuntimeException("There can be only one required verifier"); 1804 } 1805 1806 requiredVerifier = packageName; 1807 } 1808 1809 return requiredVerifier; 1810 } 1811 1812 @Override 1813 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1814 throws RemoteException { 1815 try { 1816 return super.onTransact(code, data, reply, flags); 1817 } catch (RuntimeException e) { 1818 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1819 Slog.wtf(TAG, "Package Manager Crash", e); 1820 } 1821 throw e; 1822 } 1823 } 1824 1825 void cleanupInstallFailedPackage(PackageSetting ps) { 1826 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1827 removeDataDirsLI(ps.name); 1828 if (ps.codePath != null) { 1829 if (!ps.codePath.delete()) { 1830 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1831 } 1832 } 1833 if (ps.resourcePath != null) { 1834 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1835 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1836 } 1837 } 1838 mSettings.removePackageLPw(ps.name); 1839 } 1840 1841 static int[] appendInts(int[] cur, int[] add) { 1842 if (add == null) return cur; 1843 if (cur == null) return add; 1844 final int N = add.length; 1845 for (int i=0; i<N; i++) { 1846 cur = appendInt(cur, add[i]); 1847 } 1848 return cur; 1849 } 1850 1851 static int[] removeInts(int[] cur, int[] rem) { 1852 if (rem == null) return cur; 1853 if (cur == null) return cur; 1854 final int N = rem.length; 1855 for (int i=0; i<N; i++) { 1856 cur = removeInt(cur, rem[i]); 1857 } 1858 return cur; 1859 } 1860 1861 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1862 if (!sUserManager.exists(userId)) return null; 1863 final PackageSetting ps = (PackageSetting) p.mExtras; 1864 if (ps == null) { 1865 return null; 1866 } 1867 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1868 final PackageUserState state = ps.readUserState(userId); 1869 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1870 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1871 state, userId); 1872 } 1873 1874 @Override 1875 public boolean isPackageAvailable(String packageName, int userId) { 1876 if (!sUserManager.exists(userId)) return false; 1877 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1878 synchronized (mPackages) { 1879 PackageParser.Package p = mPackages.get(packageName); 1880 if (p != null) { 1881 final PackageSetting ps = (PackageSetting) p.mExtras; 1882 if (ps != null) { 1883 final PackageUserState state = ps.readUserState(userId); 1884 if (state != null) { 1885 return PackageParser.isAvailable(state); 1886 } 1887 } 1888 } 1889 } 1890 return false; 1891 } 1892 1893 @Override 1894 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1895 if (!sUserManager.exists(userId)) return null; 1896 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1897 // reader 1898 synchronized (mPackages) { 1899 PackageParser.Package p = mPackages.get(packageName); 1900 if (DEBUG_PACKAGE_INFO) 1901 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1902 if (p != null) { 1903 return generatePackageInfo(p, flags, userId); 1904 } 1905 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1906 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1907 } 1908 } 1909 return null; 1910 } 1911 1912 @Override 1913 public String[] currentToCanonicalPackageNames(String[] names) { 1914 String[] out = new String[names.length]; 1915 // reader 1916 synchronized (mPackages) { 1917 for (int i=names.length-1; i>=0; i--) { 1918 PackageSetting ps = mSettings.mPackages.get(names[i]); 1919 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1920 } 1921 } 1922 return out; 1923 } 1924 1925 @Override 1926 public String[] canonicalToCurrentPackageNames(String[] names) { 1927 String[] out = new String[names.length]; 1928 // reader 1929 synchronized (mPackages) { 1930 for (int i=names.length-1; i>=0; i--) { 1931 String cur = mSettings.mRenamedPackages.get(names[i]); 1932 out[i] = cur != null ? cur : names[i]; 1933 } 1934 } 1935 return out; 1936 } 1937 1938 @Override 1939 public int getPackageUid(String packageName, int userId) { 1940 if (!sUserManager.exists(userId)) return -1; 1941 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1942 // reader 1943 synchronized (mPackages) { 1944 PackageParser.Package p = mPackages.get(packageName); 1945 if(p != null) { 1946 return UserHandle.getUid(userId, p.applicationInfo.uid); 1947 } 1948 PackageSetting ps = mSettings.mPackages.get(packageName); 1949 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1950 return -1; 1951 } 1952 p = ps.pkg; 1953 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1954 } 1955 } 1956 1957 @Override 1958 public int[] getPackageGids(String packageName) { 1959 // reader 1960 synchronized (mPackages) { 1961 PackageParser.Package p = mPackages.get(packageName); 1962 if (DEBUG_PACKAGE_INFO) 1963 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1964 if (p != null) { 1965 final PackageSetting ps = (PackageSetting)p.mExtras; 1966 return ps.getGids(); 1967 } 1968 } 1969 // stupid thing to indicate an error. 1970 return new int[0]; 1971 } 1972 1973 static final PermissionInfo generatePermissionInfo( 1974 BasePermission bp, int flags) { 1975 if (bp.perm != null) { 1976 return PackageParser.generatePermissionInfo(bp.perm, flags); 1977 } 1978 PermissionInfo pi = new PermissionInfo(); 1979 pi.name = bp.name; 1980 pi.packageName = bp.sourcePackage; 1981 pi.nonLocalizedLabel = bp.name; 1982 pi.protectionLevel = bp.protectionLevel; 1983 return pi; 1984 } 1985 1986 @Override 1987 public PermissionInfo getPermissionInfo(String name, int flags) { 1988 // reader 1989 synchronized (mPackages) { 1990 final BasePermission p = mSettings.mPermissions.get(name); 1991 if (p != null) { 1992 return generatePermissionInfo(p, flags); 1993 } 1994 return null; 1995 } 1996 } 1997 1998 @Override 1999 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2000 // reader 2001 synchronized (mPackages) { 2002 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2003 for (BasePermission p : mSettings.mPermissions.values()) { 2004 if (group == null) { 2005 if (p.perm == null || p.perm.info.group == null) { 2006 out.add(generatePermissionInfo(p, flags)); 2007 } 2008 } else { 2009 if (p.perm != null && group.equals(p.perm.info.group)) { 2010 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2011 } 2012 } 2013 } 2014 2015 if (out.size() > 0) { 2016 return out; 2017 } 2018 return mPermissionGroups.containsKey(group) ? out : null; 2019 } 2020 } 2021 2022 @Override 2023 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2024 // reader 2025 synchronized (mPackages) { 2026 return PackageParser.generatePermissionGroupInfo( 2027 mPermissionGroups.get(name), flags); 2028 } 2029 } 2030 2031 @Override 2032 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2033 // reader 2034 synchronized (mPackages) { 2035 final int N = mPermissionGroups.size(); 2036 ArrayList<PermissionGroupInfo> out 2037 = new ArrayList<PermissionGroupInfo>(N); 2038 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2039 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2040 } 2041 return out; 2042 } 2043 } 2044 2045 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2046 int userId) { 2047 if (!sUserManager.exists(userId)) return null; 2048 PackageSetting ps = mSettings.mPackages.get(packageName); 2049 if (ps != null) { 2050 if (ps.pkg == null) { 2051 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2052 flags, userId); 2053 if (pInfo != null) { 2054 return pInfo.applicationInfo; 2055 } 2056 return null; 2057 } 2058 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2059 ps.readUserState(userId), userId); 2060 } 2061 return null; 2062 } 2063 2064 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2065 int userId) { 2066 if (!sUserManager.exists(userId)) return null; 2067 PackageSetting ps = mSettings.mPackages.get(packageName); 2068 if (ps != null) { 2069 PackageParser.Package pkg = ps.pkg; 2070 if (pkg == null) { 2071 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2072 return null; 2073 } 2074 // App code is gone, so we aren't worried about split paths 2075 pkg = new PackageParser.Package(packageName); 2076 pkg.applicationInfo.packageName = packageName; 2077 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2078 pkg.applicationInfo.sourceDir = ps.codePathString; 2079 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2080 pkg.applicationInfo.dataDir = 2081 getDataPathForPackage(packageName, 0).getPath(); 2082 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2083 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2084 } 2085 return generatePackageInfo(pkg, flags, userId); 2086 } 2087 return null; 2088 } 2089 2090 @Override 2091 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2092 if (!sUserManager.exists(userId)) return null; 2093 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2094 // writer 2095 synchronized (mPackages) { 2096 PackageParser.Package p = mPackages.get(packageName); 2097 if (DEBUG_PACKAGE_INFO) Log.v( 2098 TAG, "getApplicationInfo " + packageName 2099 + ": " + p); 2100 if (p != null) { 2101 PackageSetting ps = mSettings.mPackages.get(packageName); 2102 if (ps == null) return null; 2103 // Note: isEnabledLP() does not apply here - always return info 2104 return PackageParser.generateApplicationInfo( 2105 p, flags, ps.readUserState(userId), userId); 2106 } 2107 if ("android".equals(packageName)||"system".equals(packageName)) { 2108 return mAndroidApplication; 2109 } 2110 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2111 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2112 } 2113 } 2114 return null; 2115 } 2116 2117 2118 @Override 2119 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2120 mContext.enforceCallingOrSelfPermission( 2121 android.Manifest.permission.CLEAR_APP_CACHE, null); 2122 // Queue up an async operation since clearing cache may take a little while. 2123 mHandler.post(new Runnable() { 2124 public void run() { 2125 mHandler.removeCallbacks(this); 2126 int retCode = -1; 2127 synchronized (mInstallLock) { 2128 retCode = mInstaller.freeCache(freeStorageSize); 2129 if (retCode < 0) { 2130 Slog.w(TAG, "Couldn't clear application caches"); 2131 } 2132 } 2133 if (observer != null) { 2134 try { 2135 observer.onRemoveCompleted(null, (retCode >= 0)); 2136 } catch (RemoteException e) { 2137 Slog.w(TAG, "RemoveException when invoking call back"); 2138 } 2139 } 2140 } 2141 }); 2142 } 2143 2144 @Override 2145 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2146 mContext.enforceCallingOrSelfPermission( 2147 android.Manifest.permission.CLEAR_APP_CACHE, null); 2148 // Queue up an async operation since clearing cache may take a little while. 2149 mHandler.post(new Runnable() { 2150 public void run() { 2151 mHandler.removeCallbacks(this); 2152 int retCode = -1; 2153 synchronized (mInstallLock) { 2154 retCode = mInstaller.freeCache(freeStorageSize); 2155 if (retCode < 0) { 2156 Slog.w(TAG, "Couldn't clear application caches"); 2157 } 2158 } 2159 if(pi != null) { 2160 try { 2161 // Callback via pending intent 2162 int code = (retCode >= 0) ? 1 : 0; 2163 pi.sendIntent(null, code, null, 2164 null, null); 2165 } catch (SendIntentException e1) { 2166 Slog.i(TAG, "Failed to send pending intent"); 2167 } 2168 } 2169 } 2170 }); 2171 } 2172 2173 void freeStorage(long freeStorageSize) throws IOException { 2174 synchronized (mInstallLock) { 2175 if (mInstaller.freeCache(freeStorageSize) < 0) { 2176 throw new IOException("Failed to free enough space"); 2177 } 2178 } 2179 } 2180 2181 @Override 2182 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2183 if (!sUserManager.exists(userId)) return null; 2184 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2185 synchronized (mPackages) { 2186 PackageParser.Activity a = mActivities.mActivities.get(component); 2187 2188 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2189 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2190 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2191 if (ps == null) return null; 2192 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2193 userId); 2194 } 2195 if (mResolveComponentName.equals(component)) { 2196 return mResolveActivity; 2197 } 2198 } 2199 return null; 2200 } 2201 2202 @Override 2203 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2204 String resolvedType) { 2205 synchronized (mPackages) { 2206 PackageParser.Activity a = mActivities.mActivities.get(component); 2207 if (a == null) { 2208 return false; 2209 } 2210 for (int i=0; i<a.intents.size(); i++) { 2211 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2212 intent.getData(), intent.getCategories(), TAG) >= 0) { 2213 return true; 2214 } 2215 } 2216 return false; 2217 } 2218 } 2219 2220 @Override 2221 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2222 if (!sUserManager.exists(userId)) return null; 2223 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2224 synchronized (mPackages) { 2225 PackageParser.Activity a = mReceivers.mActivities.get(component); 2226 if (DEBUG_PACKAGE_INFO) Log.v( 2227 TAG, "getReceiverInfo " + component + ": " + a); 2228 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2229 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2230 if (ps == null) return null; 2231 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2232 userId); 2233 } 2234 } 2235 return null; 2236 } 2237 2238 @Override 2239 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2240 if (!sUserManager.exists(userId)) return null; 2241 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2242 synchronized (mPackages) { 2243 PackageParser.Service s = mServices.mServices.get(component); 2244 if (DEBUG_PACKAGE_INFO) Log.v( 2245 TAG, "getServiceInfo " + component + ": " + s); 2246 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2247 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2248 if (ps == null) return null; 2249 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2250 userId); 2251 } 2252 } 2253 return null; 2254 } 2255 2256 @Override 2257 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2258 if (!sUserManager.exists(userId)) return null; 2259 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2260 synchronized (mPackages) { 2261 PackageParser.Provider p = mProviders.mProviders.get(component); 2262 if (DEBUG_PACKAGE_INFO) Log.v( 2263 TAG, "getProviderInfo " + component + ": " + p); 2264 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2265 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2266 if (ps == null) return null; 2267 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2268 userId); 2269 } 2270 } 2271 return null; 2272 } 2273 2274 @Override 2275 public String[] getSystemSharedLibraryNames() { 2276 Set<String> libSet; 2277 synchronized (mPackages) { 2278 libSet = mSharedLibraries.keySet(); 2279 int size = libSet.size(); 2280 if (size > 0) { 2281 String[] libs = new String[size]; 2282 libSet.toArray(libs); 2283 return libs; 2284 } 2285 } 2286 return null; 2287 } 2288 2289 @Override 2290 public FeatureInfo[] getSystemAvailableFeatures() { 2291 Collection<FeatureInfo> featSet; 2292 synchronized (mPackages) { 2293 featSet = mAvailableFeatures.values(); 2294 int size = featSet.size(); 2295 if (size > 0) { 2296 FeatureInfo[] features = new FeatureInfo[size+1]; 2297 featSet.toArray(features); 2298 FeatureInfo fi = new FeatureInfo(); 2299 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2300 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2301 features[size] = fi; 2302 return features; 2303 } 2304 } 2305 return null; 2306 } 2307 2308 @Override 2309 public boolean hasSystemFeature(String name) { 2310 synchronized (mPackages) { 2311 return mAvailableFeatures.containsKey(name); 2312 } 2313 } 2314 2315 private void checkValidCaller(int uid, int userId) { 2316 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2317 return; 2318 2319 throw new SecurityException("Caller uid=" + uid 2320 + " is not privileged to communicate with user=" + userId); 2321 } 2322 2323 @Override 2324 public int checkPermission(String permName, String pkgName) { 2325 synchronized (mPackages) { 2326 PackageParser.Package p = mPackages.get(pkgName); 2327 if (p != null && p.mExtras != null) { 2328 PackageSetting ps = (PackageSetting)p.mExtras; 2329 if (ps.sharedUser != null) { 2330 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2331 return PackageManager.PERMISSION_GRANTED; 2332 } 2333 } else if (ps.grantedPermissions.contains(permName)) { 2334 return PackageManager.PERMISSION_GRANTED; 2335 } 2336 } 2337 } 2338 return PackageManager.PERMISSION_DENIED; 2339 } 2340 2341 @Override 2342 public int checkUidPermission(String permName, int uid) { 2343 synchronized (mPackages) { 2344 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2345 if (obj != null) { 2346 GrantedPermissions gp = (GrantedPermissions)obj; 2347 if (gp.grantedPermissions.contains(permName)) { 2348 return PackageManager.PERMISSION_GRANTED; 2349 } 2350 } else { 2351 HashSet<String> perms = mSystemPermissions.get(uid); 2352 if (perms != null && perms.contains(permName)) { 2353 return PackageManager.PERMISSION_GRANTED; 2354 } 2355 } 2356 } 2357 return PackageManager.PERMISSION_DENIED; 2358 } 2359 2360 /** 2361 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2362 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2363 * @param message the message to log on security exception 2364 */ 2365 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2366 String message) { 2367 if (userId < 0) { 2368 throw new IllegalArgumentException("Invalid userId " + userId); 2369 } 2370 if (userId == UserHandle.getUserId(callingUid)) return; 2371 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2372 if (requireFullPermission) { 2373 mContext.enforceCallingOrSelfPermission( 2374 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2375 } else { 2376 try { 2377 mContext.enforceCallingOrSelfPermission( 2378 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2379 } catch (SecurityException se) { 2380 mContext.enforceCallingOrSelfPermission( 2381 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2382 } 2383 } 2384 } 2385 } 2386 2387 private BasePermission findPermissionTreeLP(String permName) { 2388 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2389 if (permName.startsWith(bp.name) && 2390 permName.length() > bp.name.length() && 2391 permName.charAt(bp.name.length()) == '.') { 2392 return bp; 2393 } 2394 } 2395 return null; 2396 } 2397 2398 private BasePermission checkPermissionTreeLP(String permName) { 2399 if (permName != null) { 2400 BasePermission bp = findPermissionTreeLP(permName); 2401 if (bp != null) { 2402 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2403 return bp; 2404 } 2405 throw new SecurityException("Calling uid " 2406 + Binder.getCallingUid() 2407 + " is not allowed to add to permission tree " 2408 + bp.name + " owned by uid " + bp.uid); 2409 } 2410 } 2411 throw new SecurityException("No permission tree found for " + permName); 2412 } 2413 2414 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2415 if (s1 == null) { 2416 return s2 == null; 2417 } 2418 if (s2 == null) { 2419 return false; 2420 } 2421 if (s1.getClass() != s2.getClass()) { 2422 return false; 2423 } 2424 return s1.equals(s2); 2425 } 2426 2427 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2428 if (pi1.icon != pi2.icon) return false; 2429 if (pi1.logo != pi2.logo) return false; 2430 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2431 if (!compareStrings(pi1.name, pi2.name)) return false; 2432 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2433 // We'll take care of setting this one. 2434 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2435 // These are not currently stored in settings. 2436 //if (!compareStrings(pi1.group, pi2.group)) return false; 2437 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2438 //if (pi1.labelRes != pi2.labelRes) return false; 2439 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2440 return true; 2441 } 2442 2443 int permissionInfoFootprint(PermissionInfo info) { 2444 int size = info.name.length(); 2445 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2446 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2447 return size; 2448 } 2449 2450 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2451 int size = 0; 2452 for (BasePermission perm : mSettings.mPermissions.values()) { 2453 if (perm.uid == tree.uid) { 2454 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2455 } 2456 } 2457 return size; 2458 } 2459 2460 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2461 // We calculate the max size of permissions defined by this uid and throw 2462 // if that plus the size of 'info' would exceed our stated maximum. 2463 if (tree.uid != Process.SYSTEM_UID) { 2464 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2465 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2466 throw new SecurityException("Permission tree size cap exceeded"); 2467 } 2468 } 2469 } 2470 2471 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2472 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2473 throw new SecurityException("Label must be specified in permission"); 2474 } 2475 BasePermission tree = checkPermissionTreeLP(info.name); 2476 BasePermission bp = mSettings.mPermissions.get(info.name); 2477 boolean added = bp == null; 2478 boolean changed = true; 2479 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2480 if (added) { 2481 enforcePermissionCapLocked(info, tree); 2482 bp = new BasePermission(info.name, tree.sourcePackage, 2483 BasePermission.TYPE_DYNAMIC); 2484 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2485 throw new SecurityException( 2486 "Not allowed to modify non-dynamic permission " 2487 + info.name); 2488 } else { 2489 if (bp.protectionLevel == fixedLevel 2490 && bp.perm.owner.equals(tree.perm.owner) 2491 && bp.uid == tree.uid 2492 && comparePermissionInfos(bp.perm.info, info)) { 2493 changed = false; 2494 } 2495 } 2496 bp.protectionLevel = fixedLevel; 2497 info = new PermissionInfo(info); 2498 info.protectionLevel = fixedLevel; 2499 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2500 bp.perm.info.packageName = tree.perm.info.packageName; 2501 bp.uid = tree.uid; 2502 if (added) { 2503 mSettings.mPermissions.put(info.name, bp); 2504 } 2505 if (changed) { 2506 if (!async) { 2507 mSettings.writeLPr(); 2508 } else { 2509 scheduleWriteSettingsLocked(); 2510 } 2511 } 2512 return added; 2513 } 2514 2515 @Override 2516 public boolean addPermission(PermissionInfo info) { 2517 synchronized (mPackages) { 2518 return addPermissionLocked(info, false); 2519 } 2520 } 2521 2522 @Override 2523 public boolean addPermissionAsync(PermissionInfo info) { 2524 synchronized (mPackages) { 2525 return addPermissionLocked(info, true); 2526 } 2527 } 2528 2529 @Override 2530 public void removePermission(String name) { 2531 synchronized (mPackages) { 2532 checkPermissionTreeLP(name); 2533 BasePermission bp = mSettings.mPermissions.get(name); 2534 if (bp != null) { 2535 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2536 throw new SecurityException( 2537 "Not allowed to modify non-dynamic permission " 2538 + name); 2539 } 2540 mSettings.mPermissions.remove(name); 2541 mSettings.writeLPr(); 2542 } 2543 } 2544 } 2545 2546 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2547 int index = pkg.requestedPermissions.indexOf(bp.name); 2548 if (index == -1) { 2549 throw new SecurityException("Package " + pkg.packageName 2550 + " has not requested permission " + bp.name); 2551 } 2552 boolean isNormal = 2553 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2554 == PermissionInfo.PROTECTION_NORMAL); 2555 boolean isDangerous = 2556 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2557 == PermissionInfo.PROTECTION_DANGEROUS); 2558 boolean isDevelopment = 2559 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2560 2561 if (!isNormal && !isDangerous && !isDevelopment) { 2562 throw new SecurityException("Permission " + bp.name 2563 + " is not a changeable permission type"); 2564 } 2565 2566 if (isNormal || isDangerous) { 2567 if (pkg.requestedPermissionsRequired.get(index)) { 2568 throw new SecurityException("Can't change " + bp.name 2569 + ". It is required by the application"); 2570 } 2571 } 2572 } 2573 2574 @Override 2575 public void grantPermission(String packageName, String permissionName) { 2576 mContext.enforceCallingOrSelfPermission( 2577 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2578 synchronized (mPackages) { 2579 final PackageParser.Package pkg = mPackages.get(packageName); 2580 if (pkg == null) { 2581 throw new IllegalArgumentException("Unknown package: " + packageName); 2582 } 2583 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2584 if (bp == null) { 2585 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2586 } 2587 2588 checkGrantRevokePermissions(pkg, bp); 2589 2590 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2591 if (ps == null) { 2592 return; 2593 } 2594 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2595 if (gp.grantedPermissions.add(permissionName)) { 2596 if (ps.haveGids) { 2597 gp.gids = appendInts(gp.gids, bp.gids); 2598 } 2599 mSettings.writeLPr(); 2600 } 2601 } 2602 } 2603 2604 @Override 2605 public void revokePermission(String packageName, String permissionName) { 2606 int changedAppId = -1; 2607 2608 synchronized (mPackages) { 2609 final PackageParser.Package pkg = mPackages.get(packageName); 2610 if (pkg == null) { 2611 throw new IllegalArgumentException("Unknown package: " + packageName); 2612 } 2613 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2614 mContext.enforceCallingOrSelfPermission( 2615 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2616 } 2617 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2618 if (bp == null) { 2619 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2620 } 2621 2622 checkGrantRevokePermissions(pkg, bp); 2623 2624 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2625 if (ps == null) { 2626 return; 2627 } 2628 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2629 if (gp.grantedPermissions.remove(permissionName)) { 2630 gp.grantedPermissions.remove(permissionName); 2631 if (ps.haveGids) { 2632 gp.gids = removeInts(gp.gids, bp.gids); 2633 } 2634 mSettings.writeLPr(); 2635 changedAppId = ps.appId; 2636 } 2637 } 2638 2639 if (changedAppId >= 0) { 2640 // We changed the perm on someone, kill its processes. 2641 IActivityManager am = ActivityManagerNative.getDefault(); 2642 if (am != null) { 2643 final int callingUserId = UserHandle.getCallingUserId(); 2644 final long ident = Binder.clearCallingIdentity(); 2645 try { 2646 //XXX we should only revoke for the calling user's app permissions, 2647 // but for now we impact all users. 2648 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2649 // "revoke " + permissionName); 2650 int[] users = sUserManager.getUserIds(); 2651 for (int user : users) { 2652 am.killUid(UserHandle.getUid(user, changedAppId), 2653 "revoke " + permissionName); 2654 } 2655 } catch (RemoteException e) { 2656 } finally { 2657 Binder.restoreCallingIdentity(ident); 2658 } 2659 } 2660 } 2661 } 2662 2663 @Override 2664 public boolean isProtectedBroadcast(String actionName) { 2665 synchronized (mPackages) { 2666 return mProtectedBroadcasts.contains(actionName); 2667 } 2668 } 2669 2670 @Override 2671 public int checkSignatures(String pkg1, String pkg2) { 2672 synchronized (mPackages) { 2673 final PackageParser.Package p1 = mPackages.get(pkg1); 2674 final PackageParser.Package p2 = mPackages.get(pkg2); 2675 if (p1 == null || p1.mExtras == null 2676 || p2 == null || p2.mExtras == null) { 2677 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2678 } 2679 return compareSignatures(p1.mSignatures, p2.mSignatures); 2680 } 2681 } 2682 2683 @Override 2684 public int checkUidSignatures(int uid1, int uid2) { 2685 // Map to base uids. 2686 uid1 = UserHandle.getAppId(uid1); 2687 uid2 = UserHandle.getAppId(uid2); 2688 // reader 2689 synchronized (mPackages) { 2690 Signature[] s1; 2691 Signature[] s2; 2692 Object obj = mSettings.getUserIdLPr(uid1); 2693 if (obj != null) { 2694 if (obj instanceof SharedUserSetting) { 2695 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2696 } else if (obj instanceof PackageSetting) { 2697 s1 = ((PackageSetting)obj).signatures.mSignatures; 2698 } else { 2699 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2700 } 2701 } else { 2702 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2703 } 2704 obj = mSettings.getUserIdLPr(uid2); 2705 if (obj != null) { 2706 if (obj instanceof SharedUserSetting) { 2707 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2708 } else if (obj instanceof PackageSetting) { 2709 s2 = ((PackageSetting)obj).signatures.mSignatures; 2710 } else { 2711 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2712 } 2713 } else { 2714 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2715 } 2716 return compareSignatures(s1, s2); 2717 } 2718 } 2719 2720 /** 2721 * Compares two sets of signatures. Returns: 2722 * <br /> 2723 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2724 * <br /> 2725 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2726 * <br /> 2727 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2728 * <br /> 2729 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2730 * <br /> 2731 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2732 */ 2733 static int compareSignatures(Signature[] s1, Signature[] s2) { 2734 if (s1 == null) { 2735 return s2 == null 2736 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2737 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2738 } 2739 2740 if (s2 == null) { 2741 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2742 } 2743 2744 if (s1.length != s2.length) { 2745 return PackageManager.SIGNATURE_NO_MATCH; 2746 } 2747 2748 // Since both signature sets are of size 1, we can compare without HashSets. 2749 if (s1.length == 1) { 2750 return s1[0].equals(s2[0]) ? 2751 PackageManager.SIGNATURE_MATCH : 2752 PackageManager.SIGNATURE_NO_MATCH; 2753 } 2754 2755 HashSet<Signature> set1 = new HashSet<Signature>(); 2756 for (Signature sig : s1) { 2757 set1.add(sig); 2758 } 2759 HashSet<Signature> set2 = new HashSet<Signature>(); 2760 for (Signature sig : s2) { 2761 set2.add(sig); 2762 } 2763 // Make sure s2 contains all signatures in s1. 2764 if (set1.equals(set2)) { 2765 return PackageManager.SIGNATURE_MATCH; 2766 } 2767 return PackageManager.SIGNATURE_NO_MATCH; 2768 } 2769 2770 /** 2771 * If the database version for this type of package (internal storage or 2772 * external storage) is less than the version where package signatures 2773 * were updated, return true. 2774 */ 2775 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2776 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2777 DatabaseVersion.SIGNATURE_END_ENTITY)) 2778 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2779 DatabaseVersion.SIGNATURE_END_ENTITY)); 2780 } 2781 2782 /** 2783 * Used for backward compatibility to make sure any packages with 2784 * certificate chains get upgraded to the new style. {@code existingSigs} 2785 * will be in the old format (since they were stored on disk from before the 2786 * system upgrade) and {@code scannedSigs} will be in the newer format. 2787 */ 2788 private int compareSignaturesCompat(PackageSignatures existingSigs, 2789 PackageParser.Package scannedPkg) { 2790 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2791 return PackageManager.SIGNATURE_NO_MATCH; 2792 } 2793 2794 HashSet<Signature> existingSet = new HashSet<Signature>(); 2795 for (Signature sig : existingSigs.mSignatures) { 2796 existingSet.add(sig); 2797 } 2798 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2799 for (Signature sig : scannedPkg.mSignatures) { 2800 try { 2801 Signature[] chainSignatures = sig.getChainSignatures(); 2802 for (Signature chainSig : chainSignatures) { 2803 scannedCompatSet.add(chainSig); 2804 } 2805 } catch (CertificateEncodingException e) { 2806 scannedCompatSet.add(sig); 2807 } 2808 } 2809 /* 2810 * Make sure the expanded scanned set contains all signatures in the 2811 * existing one. 2812 */ 2813 if (scannedCompatSet.equals(existingSet)) { 2814 // Migrate the old signatures to the new scheme. 2815 existingSigs.assignSignatures(scannedPkg.mSignatures); 2816 // The new KeySets will be re-added later in the scanning process. 2817 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2818 return PackageManager.SIGNATURE_MATCH; 2819 } 2820 return PackageManager.SIGNATURE_NO_MATCH; 2821 } 2822 2823 @Override 2824 public String[] getPackagesForUid(int uid) { 2825 uid = UserHandle.getAppId(uid); 2826 // reader 2827 synchronized (mPackages) { 2828 Object obj = mSettings.getUserIdLPr(uid); 2829 if (obj instanceof SharedUserSetting) { 2830 final SharedUserSetting sus = (SharedUserSetting) obj; 2831 final int N = sus.packages.size(); 2832 final String[] res = new String[N]; 2833 final Iterator<PackageSetting> it = sus.packages.iterator(); 2834 int i = 0; 2835 while (it.hasNext()) { 2836 res[i++] = it.next().name; 2837 } 2838 return res; 2839 } else if (obj instanceof PackageSetting) { 2840 final PackageSetting ps = (PackageSetting) obj; 2841 return new String[] { ps.name }; 2842 } 2843 } 2844 return null; 2845 } 2846 2847 @Override 2848 public String getNameForUid(int uid) { 2849 // reader 2850 synchronized (mPackages) { 2851 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2852 if (obj instanceof SharedUserSetting) { 2853 final SharedUserSetting sus = (SharedUserSetting) obj; 2854 return sus.name + ":" + sus.userId; 2855 } else if (obj instanceof PackageSetting) { 2856 final PackageSetting ps = (PackageSetting) obj; 2857 return ps.name; 2858 } 2859 } 2860 return null; 2861 } 2862 2863 @Override 2864 public int getUidForSharedUser(String sharedUserName) { 2865 if(sharedUserName == null) { 2866 return -1; 2867 } 2868 // reader 2869 synchronized (mPackages) { 2870 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2871 if (suid == null) { 2872 return -1; 2873 } 2874 return suid.userId; 2875 } 2876 } 2877 2878 @Override 2879 public int getFlagsForUid(int uid) { 2880 synchronized (mPackages) { 2881 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2882 if (obj instanceof SharedUserSetting) { 2883 final SharedUserSetting sus = (SharedUserSetting) obj; 2884 return sus.pkgFlags; 2885 } else if (obj instanceof PackageSetting) { 2886 final PackageSetting ps = (PackageSetting) obj; 2887 return ps.pkgFlags; 2888 } 2889 } 2890 return 0; 2891 } 2892 2893 @Override 2894 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2895 int flags, int userId) { 2896 if (!sUserManager.exists(userId)) return null; 2897 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2898 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2899 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2900 } 2901 2902 @Override 2903 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2904 IntentFilter filter, int match, ComponentName activity) { 2905 final int userId = UserHandle.getCallingUserId(); 2906 if (DEBUG_PREFERRED) { 2907 Log.v(TAG, "setLastChosenActivity intent=" + intent 2908 + " resolvedType=" + resolvedType 2909 + " flags=" + flags 2910 + " filter=" + filter 2911 + " match=" + match 2912 + " activity=" + activity); 2913 filter.dump(new PrintStreamPrinter(System.out), " "); 2914 } 2915 intent.setComponent(null); 2916 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2917 // Find any earlier preferred or last chosen entries and nuke them 2918 findPreferredActivity(intent, resolvedType, 2919 flags, query, 0, false, true, false, userId); 2920 // Add the new activity as the last chosen for this filter 2921 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2922 } 2923 2924 @Override 2925 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2926 final int userId = UserHandle.getCallingUserId(); 2927 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2928 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2929 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2930 false, false, false, userId); 2931 } 2932 2933 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2934 int flags, List<ResolveInfo> query, int userId) { 2935 if (query != null) { 2936 final int N = query.size(); 2937 if (N == 1) { 2938 return query.get(0); 2939 } else if (N > 1) { 2940 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2941 // If there is more than one activity with the same priority, 2942 // then let the user decide between them. 2943 ResolveInfo r0 = query.get(0); 2944 ResolveInfo r1 = query.get(1); 2945 if (DEBUG_INTENT_MATCHING || debug) { 2946 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2947 + r1.activityInfo.name + "=" + r1.priority); 2948 } 2949 // If the first activity has a higher priority, or a different 2950 // default, then it is always desireable to pick it. 2951 if (r0.priority != r1.priority 2952 || r0.preferredOrder != r1.preferredOrder 2953 || r0.isDefault != r1.isDefault) { 2954 return query.get(0); 2955 } 2956 // If we have saved a preference for a preferred activity for 2957 // this Intent, use that. 2958 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2959 flags, query, r0.priority, true, false, debug, userId); 2960 if (ri != null) { 2961 return ri; 2962 } 2963 if (userId != 0) { 2964 ri = new ResolveInfo(mResolveInfo); 2965 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2966 ri.activityInfo.applicationInfo = new ApplicationInfo( 2967 ri.activityInfo.applicationInfo); 2968 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2969 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2970 return ri; 2971 } 2972 return mResolveInfo; 2973 } 2974 } 2975 return null; 2976 } 2977 2978 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2979 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2980 final int N = query.size(); 2981 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2982 .get(userId); 2983 // Get the list of persistent preferred activities that handle the intent 2984 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2985 List<PersistentPreferredActivity> pprefs = ppir != null 2986 ? ppir.queryIntent(intent, resolvedType, 2987 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2988 : null; 2989 if (pprefs != null && pprefs.size() > 0) { 2990 final int M = pprefs.size(); 2991 for (int i=0; i<M; i++) { 2992 final PersistentPreferredActivity ppa = pprefs.get(i); 2993 if (DEBUG_PREFERRED || debug) { 2994 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2995 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2996 + "\n component=" + ppa.mComponent); 2997 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2998 } 2999 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3000 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3001 if (DEBUG_PREFERRED || debug) { 3002 Slog.v(TAG, "Found persistent preferred activity:"); 3003 if (ai != null) { 3004 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3005 } else { 3006 Slog.v(TAG, " null"); 3007 } 3008 } 3009 if (ai == null) { 3010 // This previously registered persistent preferred activity 3011 // component is no longer known. Ignore it and do NOT remove it. 3012 continue; 3013 } 3014 for (int j=0; j<N; j++) { 3015 final ResolveInfo ri = query.get(j); 3016 if (!ri.activityInfo.applicationInfo.packageName 3017 .equals(ai.applicationInfo.packageName)) { 3018 continue; 3019 } 3020 if (!ri.activityInfo.name.equals(ai.name)) { 3021 continue; 3022 } 3023 // Found a persistent preference that can handle the intent. 3024 if (DEBUG_PREFERRED || debug) { 3025 Slog.v(TAG, "Returning persistent preferred activity: " + 3026 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3027 } 3028 return ri; 3029 } 3030 } 3031 } 3032 return null; 3033 } 3034 3035 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3036 List<ResolveInfo> query, int priority, boolean always, 3037 boolean removeMatches, boolean debug, int userId) { 3038 if (!sUserManager.exists(userId)) return null; 3039 // writer 3040 synchronized (mPackages) { 3041 if (intent.getSelector() != null) { 3042 intent = intent.getSelector(); 3043 } 3044 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3045 3046 // Try to find a matching persistent preferred activity. 3047 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3048 debug, userId); 3049 3050 // If a persistent preferred activity matched, use it. 3051 if (pri != null) { 3052 return pri; 3053 } 3054 3055 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3056 // Get the list of preferred activities that handle the intent 3057 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3058 List<PreferredActivity> prefs = pir != null 3059 ? pir.queryIntent(intent, resolvedType, 3060 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3061 : null; 3062 if (prefs != null && prefs.size() > 0) { 3063 // First figure out how good the original match set is. 3064 // We will only allow preferred activities that came 3065 // from the same match quality. 3066 int match = 0; 3067 3068 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3069 3070 final int N = query.size(); 3071 for (int j=0; j<N; j++) { 3072 final ResolveInfo ri = query.get(j); 3073 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3074 + ": 0x" + Integer.toHexString(match)); 3075 if (ri.match > match) { 3076 match = ri.match; 3077 } 3078 } 3079 3080 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3081 + Integer.toHexString(match)); 3082 3083 match &= IntentFilter.MATCH_CATEGORY_MASK; 3084 final int M = prefs.size(); 3085 for (int i=0; i<M; i++) { 3086 final PreferredActivity pa = prefs.get(i); 3087 if (DEBUG_PREFERRED || debug) { 3088 Slog.v(TAG, "Checking PreferredActivity ds=" 3089 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3090 + "\n component=" + pa.mPref.mComponent); 3091 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3092 } 3093 if (pa.mPref.mMatch != match) { 3094 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3095 + Integer.toHexString(pa.mPref.mMatch)); 3096 continue; 3097 } 3098 // If it's not an "always" type preferred activity and that's what we're 3099 // looking for, skip it. 3100 if (always && !pa.mPref.mAlways) { 3101 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3102 continue; 3103 } 3104 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3105 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3106 if (DEBUG_PREFERRED || debug) { 3107 Slog.v(TAG, "Found preferred activity:"); 3108 if (ai != null) { 3109 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3110 } else { 3111 Slog.v(TAG, " null"); 3112 } 3113 } 3114 if (ai == null) { 3115 // This previously registered preferred activity 3116 // component is no longer known. Most likely an update 3117 // to the app was installed and in the new version this 3118 // component no longer exists. Clean it up by removing 3119 // it from the preferred activities list, and skip it. 3120 Slog.w(TAG, "Removing dangling preferred activity: " 3121 + pa.mPref.mComponent); 3122 pir.removeFilter(pa); 3123 continue; 3124 } 3125 for (int j=0; j<N; j++) { 3126 final ResolveInfo ri = query.get(j); 3127 if (!ri.activityInfo.applicationInfo.packageName 3128 .equals(ai.applicationInfo.packageName)) { 3129 continue; 3130 } 3131 if (!ri.activityInfo.name.equals(ai.name)) { 3132 continue; 3133 } 3134 3135 if (removeMatches) { 3136 pir.removeFilter(pa); 3137 if (DEBUG_PREFERRED) { 3138 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3139 } 3140 break; 3141 } 3142 3143 // Okay we found a previously set preferred or last chosen app. 3144 // If the result set is different from when this 3145 // was created, we need to clear it and re-ask the 3146 // user their preference, if we're looking for an "always" type entry. 3147 if (always && !pa.mPref.sameSet(query, priority)) { 3148 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3149 + intent + " type " + resolvedType); 3150 if (DEBUG_PREFERRED) { 3151 Slog.v(TAG, "Removing preferred activity since set changed " 3152 + pa.mPref.mComponent); 3153 } 3154 pir.removeFilter(pa); 3155 // Re-add the filter as a "last chosen" entry (!always) 3156 PreferredActivity lastChosen = new PreferredActivity( 3157 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3158 pir.addFilter(lastChosen); 3159 mSettings.writePackageRestrictionsLPr(userId); 3160 return null; 3161 } 3162 3163 // Yay! Either the set matched or we're looking for the last chosen 3164 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3165 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3166 mSettings.writePackageRestrictionsLPr(userId); 3167 return ri; 3168 } 3169 } 3170 } 3171 mSettings.writePackageRestrictionsLPr(userId); 3172 } 3173 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3174 return null; 3175 } 3176 3177 /* 3178 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3179 */ 3180 @Override 3181 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3182 int targetUserId) { 3183 mContext.enforceCallingOrSelfPermission( 3184 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3185 List<CrossProfileIntentFilter> matches = 3186 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3187 if (matches != null) { 3188 int size = matches.size(); 3189 for (int i = 0; i < size; i++) { 3190 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3191 } 3192 } 3193 3194 ArrayList<String> packageNames = null; 3195 SparseArray<ArrayList<String>> fromSource = 3196 mSettings.mCrossProfilePackageInfo.get(sourceUserId); 3197 if (fromSource != null) { 3198 packageNames = fromSource.get(targetUserId); 3199 } 3200 if (packageNames.contains(intent.getPackage())) { 3201 return true; 3202 } 3203 // We need the package name, so we try to resolve with the loosest flags possible 3204 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3205 intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId); 3206 int count = resolveInfos.size(); 3207 for (int i = 0; i < count; i++) { 3208 ResolveInfo resolveInfo = resolveInfos.get(i); 3209 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3210 return true; 3211 } 3212 } 3213 return false; 3214 } 3215 3216 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3217 String resolvedType, int userId) { 3218 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3219 if (resolver != null) { 3220 return resolver.queryIntent(intent, resolvedType, false, userId); 3221 } 3222 return null; 3223 } 3224 3225 @Override 3226 public List<ResolveInfo> queryIntentActivities(Intent intent, 3227 String resolvedType, int flags, int userId) { 3228 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3229 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3230 ComponentName comp = intent.getComponent(); 3231 if (comp == null) { 3232 if (intent.getSelector() != null) { 3233 intent = intent.getSelector(); 3234 comp = intent.getComponent(); 3235 } 3236 } 3237 3238 if (comp != null) { 3239 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3240 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3241 if (ai != null) { 3242 final ResolveInfo ri = new ResolveInfo(); 3243 ri.activityInfo = ai; 3244 list.add(ri); 3245 } 3246 return list; 3247 } 3248 3249 // reader 3250 synchronized (mPackages) { 3251 final String pkgName = intent.getPackage(); 3252 boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0; 3253 if (pkgName == null) { 3254 ResolveInfo resolveInfo = null; 3255 if (queryCrossProfile) { 3256 // Check if the intent needs to be forwarded to another user for this package 3257 ArrayList<ResolveInfo> crossProfileResult = 3258 queryIntentActivitiesCrossProfilePackage( 3259 intent, resolvedType, flags, userId); 3260 if (!crossProfileResult.isEmpty()) { 3261 // Skip the current profile 3262 return crossProfileResult; 3263 } 3264 List<CrossProfileIntentFilter> matchingFilters = 3265 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3266 // Check for results that need to skip the current profile. 3267 resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3268 resolvedType, flags, userId); 3269 if (resolveInfo != null) { 3270 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3271 result.add(resolveInfo); 3272 return result; 3273 } 3274 // Check for cross profile results. 3275 resolveInfo = queryCrossProfileIntents( 3276 matchingFilters, intent, resolvedType, flags, userId); 3277 } 3278 // Check for results in the current profile. 3279 List<ResolveInfo> result = mActivities.queryIntent( 3280 intent, resolvedType, flags, userId); 3281 if (resolveInfo != null) { 3282 result.add(resolveInfo); 3283 } 3284 return result; 3285 } 3286 final PackageParser.Package pkg = mPackages.get(pkgName); 3287 if (pkg != null) { 3288 if (queryCrossProfile) { 3289 ArrayList<ResolveInfo> crossProfileResult = 3290 queryIntentActivitiesCrossProfilePackage( 3291 intent, resolvedType, flags, userId, pkg, pkgName); 3292 if (!crossProfileResult.isEmpty()) { 3293 // Skip the current profile 3294 return crossProfileResult; 3295 } 3296 } 3297 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3298 pkg.activities, userId); 3299 } 3300 return new ArrayList<ResolveInfo>(); 3301 } 3302 } 3303 3304 private ResolveInfo querySkipCurrentProfileIntents( 3305 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3306 int flags, int sourceUserId) { 3307 if (matchingFilters != null) { 3308 int size = matchingFilters.size(); 3309 for (int i = 0; i < size; i ++) { 3310 CrossProfileIntentFilter filter = matchingFilters.get(i); 3311 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3312 // Checking if there are activities in the target user that can handle the 3313 // intent. 3314 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3315 flags, sourceUserId); 3316 if (resolveInfo != null) { 3317 return resolveInfo; 3318 } 3319 } 3320 } 3321 } 3322 return null; 3323 } 3324 3325 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3326 Intent intent, String resolvedType, int flags, int userId) { 3327 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3328 SparseArray<ArrayList<String>> sourceForwardingInfo = 3329 mSettings.mCrossProfilePackageInfo.get(userId); 3330 if (sourceForwardingInfo != null) { 3331 int NI = sourceForwardingInfo.size(); 3332 for (int i = 0; i < NI; i++) { 3333 int targetUserId = sourceForwardingInfo.keyAt(i); 3334 ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i); 3335 List<ResolveInfo> resolveInfos = mActivities.queryIntent( 3336 intent, resolvedType, flags, targetUserId); 3337 int NJ = resolveInfos.size(); 3338 for (int j = 0; j < NJ; j++) { 3339 ResolveInfo resolveInfo = resolveInfos.get(j); 3340 if (packageNames.contains(resolveInfo.activityInfo.packageName)) { 3341 matchingResolveInfos.add(createForwardingResolveInfo( 3342 resolveInfo.filter, userId, targetUserId)); 3343 } 3344 } 3345 } 3346 } 3347 return matchingResolveInfos; 3348 } 3349 3350 private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage( 3351 Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg, 3352 String packageName) { 3353 ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>(); 3354 SparseArray<ArrayList<String>> sourceForwardingInfo = 3355 mSettings.mCrossProfilePackageInfo.get(userId); 3356 if (sourceForwardingInfo != null) { 3357 int NI = sourceForwardingInfo.size(); 3358 for (int i = 0; i < NI; i++) { 3359 int targetUserId = sourceForwardingInfo.keyAt(i); 3360 if (sourceForwardingInfo.valueAt(i).contains(packageName)) { 3361 List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage( 3362 intent, resolvedType, flags, pkg.activities, targetUserId); 3363 int NJ = resolveInfos.size(); 3364 for (int j = 0; j < NJ; j++) { 3365 ResolveInfo resolveInfo = resolveInfos.get(j); 3366 matchingResolveInfos.add(createForwardingResolveInfo( 3367 resolveInfo.filter, userId, targetUserId)); 3368 } 3369 } 3370 } 3371 } 3372 return matchingResolveInfos; 3373 } 3374 3375 // Return matching ResolveInfo if any for skip current profile intent filters. 3376 private ResolveInfo queryCrossProfileIntents( 3377 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3378 int flags, int sourceUserId) { 3379 if (matchingFilters != null) { 3380 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3381 // match the same intent. For performance reasons, it is better not to 3382 // run queryIntent twice for the same userId 3383 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3384 int size = matchingFilters.size(); 3385 for (int i = 0; i < size; i++) { 3386 CrossProfileIntentFilter filter = matchingFilters.get(i); 3387 int targetUserId = filter.getTargetUserId(); 3388 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3389 && !alreadyTriedUserIds.get(targetUserId)) { 3390 // Checking if there are activities in the target user that can handle the 3391 // intent. 3392 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3393 flags, sourceUserId); 3394 if (resolveInfo != null) return resolveInfo; 3395 alreadyTriedUserIds.put(targetUserId, true); 3396 } 3397 } 3398 } 3399 return null; 3400 } 3401 3402 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3403 String resolvedType, int flags, int sourceUserId) { 3404 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3405 resolvedType, flags, filter.getTargetUserId()); 3406 if (resultTargetUser != null) { 3407 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3408 } 3409 return null; 3410 } 3411 3412 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3413 int sourceUserId, int targetUserId) { 3414 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3415 String className; 3416 if (targetUserId == UserHandle.USER_OWNER) { 3417 className = FORWARD_INTENT_TO_USER_OWNER; 3418 } else { 3419 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3420 } 3421 ComponentName forwardingActivityComponentName = new ComponentName( 3422 mAndroidApplication.packageName, className); 3423 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3424 sourceUserId); 3425 if (targetUserId == UserHandle.USER_OWNER) { 3426 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3427 forwardingResolveInfo.noResourceId = true; 3428 } 3429 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3430 forwardingResolveInfo.priority = 0; 3431 forwardingResolveInfo.preferredOrder = 0; 3432 forwardingResolveInfo.match = 0; 3433 forwardingResolveInfo.isDefault = true; 3434 forwardingResolveInfo.filter = filter; 3435 forwardingResolveInfo.targetUserId = targetUserId; 3436 return forwardingResolveInfo; 3437 } 3438 3439 @Override 3440 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3441 Intent[] specifics, String[] specificTypes, Intent intent, 3442 String resolvedType, int flags, int userId) { 3443 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3444 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3445 "query intent activity options"); 3446 final String resultsAction = intent.getAction(); 3447 3448 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3449 | PackageManager.GET_RESOLVED_FILTER, userId); 3450 3451 if (DEBUG_INTENT_MATCHING) { 3452 Log.v(TAG, "Query " + intent + ": " + results); 3453 } 3454 3455 int specificsPos = 0; 3456 int N; 3457 3458 // todo: note that the algorithm used here is O(N^2). This 3459 // isn't a problem in our current environment, but if we start running 3460 // into situations where we have more than 5 or 10 matches then this 3461 // should probably be changed to something smarter... 3462 3463 // First we go through and resolve each of the specific items 3464 // that were supplied, taking care of removing any corresponding 3465 // duplicate items in the generic resolve list. 3466 if (specifics != null) { 3467 for (int i=0; i<specifics.length; i++) { 3468 final Intent sintent = specifics[i]; 3469 if (sintent == null) { 3470 continue; 3471 } 3472 3473 if (DEBUG_INTENT_MATCHING) { 3474 Log.v(TAG, "Specific #" + i + ": " + sintent); 3475 } 3476 3477 String action = sintent.getAction(); 3478 if (resultsAction != null && resultsAction.equals(action)) { 3479 // If this action was explicitly requested, then don't 3480 // remove things that have it. 3481 action = null; 3482 } 3483 3484 ResolveInfo ri = null; 3485 ActivityInfo ai = null; 3486 3487 ComponentName comp = sintent.getComponent(); 3488 if (comp == null) { 3489 ri = resolveIntent( 3490 sintent, 3491 specificTypes != null ? specificTypes[i] : null, 3492 flags, userId); 3493 if (ri == null) { 3494 continue; 3495 } 3496 if (ri == mResolveInfo) { 3497 // ACK! Must do something better with this. 3498 } 3499 ai = ri.activityInfo; 3500 comp = new ComponentName(ai.applicationInfo.packageName, 3501 ai.name); 3502 } else { 3503 ai = getActivityInfo(comp, flags, userId); 3504 if (ai == null) { 3505 continue; 3506 } 3507 } 3508 3509 // Look for any generic query activities that are duplicates 3510 // of this specific one, and remove them from the results. 3511 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3512 N = results.size(); 3513 int j; 3514 for (j=specificsPos; j<N; j++) { 3515 ResolveInfo sri = results.get(j); 3516 if ((sri.activityInfo.name.equals(comp.getClassName()) 3517 && sri.activityInfo.applicationInfo.packageName.equals( 3518 comp.getPackageName())) 3519 || (action != null && sri.filter.matchAction(action))) { 3520 results.remove(j); 3521 if (DEBUG_INTENT_MATCHING) Log.v( 3522 TAG, "Removing duplicate item from " + j 3523 + " due to specific " + specificsPos); 3524 if (ri == null) { 3525 ri = sri; 3526 } 3527 j--; 3528 N--; 3529 } 3530 } 3531 3532 // Add this specific item to its proper place. 3533 if (ri == null) { 3534 ri = new ResolveInfo(); 3535 ri.activityInfo = ai; 3536 } 3537 results.add(specificsPos, ri); 3538 ri.specificIndex = i; 3539 specificsPos++; 3540 } 3541 } 3542 3543 // Now we go through the remaining generic results and remove any 3544 // duplicate actions that are found here. 3545 N = results.size(); 3546 for (int i=specificsPos; i<N-1; i++) { 3547 final ResolveInfo rii = results.get(i); 3548 if (rii.filter == null) { 3549 continue; 3550 } 3551 3552 // Iterate over all of the actions of this result's intent 3553 // filter... typically this should be just one. 3554 final Iterator<String> it = rii.filter.actionsIterator(); 3555 if (it == null) { 3556 continue; 3557 } 3558 while (it.hasNext()) { 3559 final String action = it.next(); 3560 if (resultsAction != null && resultsAction.equals(action)) { 3561 // If this action was explicitly requested, then don't 3562 // remove things that have it. 3563 continue; 3564 } 3565 for (int j=i+1; j<N; j++) { 3566 final ResolveInfo rij = results.get(j); 3567 if (rij.filter != null && rij.filter.hasAction(action)) { 3568 results.remove(j); 3569 if (DEBUG_INTENT_MATCHING) Log.v( 3570 TAG, "Removing duplicate item from " + j 3571 + " due to action " + action + " at " + i); 3572 j--; 3573 N--; 3574 } 3575 } 3576 } 3577 3578 // If the caller didn't request filter information, drop it now 3579 // so we don't have to marshall/unmarshall it. 3580 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3581 rii.filter = null; 3582 } 3583 } 3584 3585 // Filter out the caller activity if so requested. 3586 if (caller != null) { 3587 N = results.size(); 3588 for (int i=0; i<N; i++) { 3589 ActivityInfo ainfo = results.get(i).activityInfo; 3590 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3591 && caller.getClassName().equals(ainfo.name)) { 3592 results.remove(i); 3593 break; 3594 } 3595 } 3596 } 3597 3598 // If the caller didn't request filter information, 3599 // drop them now so we don't have to 3600 // marshall/unmarshall it. 3601 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3602 N = results.size(); 3603 for (int i=0; i<N; i++) { 3604 results.get(i).filter = null; 3605 } 3606 } 3607 3608 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3609 return results; 3610 } 3611 3612 @Override 3613 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3614 int userId) { 3615 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3616 ComponentName comp = intent.getComponent(); 3617 if (comp == null) { 3618 if (intent.getSelector() != null) { 3619 intent = intent.getSelector(); 3620 comp = intent.getComponent(); 3621 } 3622 } 3623 if (comp != null) { 3624 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3625 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3626 if (ai != null) { 3627 ResolveInfo ri = new ResolveInfo(); 3628 ri.activityInfo = ai; 3629 list.add(ri); 3630 } 3631 return list; 3632 } 3633 3634 // reader 3635 synchronized (mPackages) { 3636 String pkgName = intent.getPackage(); 3637 if (pkgName == null) { 3638 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3639 } 3640 final PackageParser.Package pkg = mPackages.get(pkgName); 3641 if (pkg != null) { 3642 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3643 userId); 3644 } 3645 return null; 3646 } 3647 } 3648 3649 @Override 3650 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3651 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3652 if (!sUserManager.exists(userId)) return null; 3653 if (query != null) { 3654 if (query.size() >= 1) { 3655 // If there is more than one service with the same priority, 3656 // just arbitrarily pick the first one. 3657 return query.get(0); 3658 } 3659 } 3660 return null; 3661 } 3662 3663 @Override 3664 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3665 int userId) { 3666 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3667 ComponentName comp = intent.getComponent(); 3668 if (comp == null) { 3669 if (intent.getSelector() != null) { 3670 intent = intent.getSelector(); 3671 comp = intent.getComponent(); 3672 } 3673 } 3674 if (comp != null) { 3675 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3676 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3677 if (si != null) { 3678 final ResolveInfo ri = new ResolveInfo(); 3679 ri.serviceInfo = si; 3680 list.add(ri); 3681 } 3682 return list; 3683 } 3684 3685 // reader 3686 synchronized (mPackages) { 3687 String pkgName = intent.getPackage(); 3688 if (pkgName == null) { 3689 return mServices.queryIntent(intent, resolvedType, flags, userId); 3690 } 3691 final PackageParser.Package pkg = mPackages.get(pkgName); 3692 if (pkg != null) { 3693 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3694 userId); 3695 } 3696 return null; 3697 } 3698 } 3699 3700 @Override 3701 public List<ResolveInfo> queryIntentContentProviders( 3702 Intent intent, String resolvedType, int flags, int userId) { 3703 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3704 ComponentName comp = intent.getComponent(); 3705 if (comp == null) { 3706 if (intent.getSelector() != null) { 3707 intent = intent.getSelector(); 3708 comp = intent.getComponent(); 3709 } 3710 } 3711 if (comp != null) { 3712 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3713 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3714 if (pi != null) { 3715 final ResolveInfo ri = new ResolveInfo(); 3716 ri.providerInfo = pi; 3717 list.add(ri); 3718 } 3719 return list; 3720 } 3721 3722 // reader 3723 synchronized (mPackages) { 3724 String pkgName = intent.getPackage(); 3725 if (pkgName == null) { 3726 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3727 } 3728 final PackageParser.Package pkg = mPackages.get(pkgName); 3729 if (pkg != null) { 3730 return mProviders.queryIntentForPackage( 3731 intent, resolvedType, flags, pkg.providers, userId); 3732 } 3733 return null; 3734 } 3735 } 3736 3737 @Override 3738 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3739 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3740 3741 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3742 3743 // writer 3744 synchronized (mPackages) { 3745 ArrayList<PackageInfo> list; 3746 if (listUninstalled) { 3747 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3748 for (PackageSetting ps : mSettings.mPackages.values()) { 3749 PackageInfo pi; 3750 if (ps.pkg != null) { 3751 pi = generatePackageInfo(ps.pkg, flags, userId); 3752 } else { 3753 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3754 } 3755 if (pi != null) { 3756 list.add(pi); 3757 } 3758 } 3759 } else { 3760 list = new ArrayList<PackageInfo>(mPackages.size()); 3761 for (PackageParser.Package p : mPackages.values()) { 3762 PackageInfo pi = generatePackageInfo(p, flags, userId); 3763 if (pi != null) { 3764 list.add(pi); 3765 } 3766 } 3767 } 3768 3769 return new ParceledListSlice<PackageInfo>(list); 3770 } 3771 } 3772 3773 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3774 String[] permissions, boolean[] tmp, int flags, int userId) { 3775 int numMatch = 0; 3776 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3777 for (int i=0; i<permissions.length; i++) { 3778 if (gp.grantedPermissions.contains(permissions[i])) { 3779 tmp[i] = true; 3780 numMatch++; 3781 } else { 3782 tmp[i] = false; 3783 } 3784 } 3785 if (numMatch == 0) { 3786 return; 3787 } 3788 PackageInfo pi; 3789 if (ps.pkg != null) { 3790 pi = generatePackageInfo(ps.pkg, flags, userId); 3791 } else { 3792 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3793 } 3794 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3795 if (numMatch == permissions.length) { 3796 pi.requestedPermissions = permissions; 3797 } else { 3798 pi.requestedPermissions = new String[numMatch]; 3799 numMatch = 0; 3800 for (int i=0; i<permissions.length; i++) { 3801 if (tmp[i]) { 3802 pi.requestedPermissions[numMatch] = permissions[i]; 3803 numMatch++; 3804 } 3805 } 3806 } 3807 } 3808 list.add(pi); 3809 } 3810 3811 @Override 3812 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3813 String[] permissions, int flags, int userId) { 3814 if (!sUserManager.exists(userId)) return null; 3815 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3816 3817 // writer 3818 synchronized (mPackages) { 3819 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3820 boolean[] tmpBools = new boolean[permissions.length]; 3821 if (listUninstalled) { 3822 for (PackageSetting ps : mSettings.mPackages.values()) { 3823 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3824 } 3825 } else { 3826 for (PackageParser.Package pkg : mPackages.values()) { 3827 PackageSetting ps = (PackageSetting)pkg.mExtras; 3828 if (ps != null) { 3829 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3830 userId); 3831 } 3832 } 3833 } 3834 3835 return new ParceledListSlice<PackageInfo>(list); 3836 } 3837 } 3838 3839 @Override 3840 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3841 if (!sUserManager.exists(userId)) return null; 3842 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3843 3844 // writer 3845 synchronized (mPackages) { 3846 ArrayList<ApplicationInfo> list; 3847 if (listUninstalled) { 3848 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3849 for (PackageSetting ps : mSettings.mPackages.values()) { 3850 ApplicationInfo ai; 3851 if (ps.pkg != null) { 3852 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3853 ps.readUserState(userId), userId); 3854 } else { 3855 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3856 } 3857 if (ai != null) { 3858 list.add(ai); 3859 } 3860 } 3861 } else { 3862 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3863 for (PackageParser.Package p : mPackages.values()) { 3864 if (p.mExtras != null) { 3865 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3866 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3867 if (ai != null) { 3868 list.add(ai); 3869 } 3870 } 3871 } 3872 } 3873 3874 return new ParceledListSlice<ApplicationInfo>(list); 3875 } 3876 } 3877 3878 public List<ApplicationInfo> getPersistentApplications(int flags) { 3879 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3880 3881 // reader 3882 synchronized (mPackages) { 3883 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3884 final int userId = UserHandle.getCallingUserId(); 3885 while (i.hasNext()) { 3886 final PackageParser.Package p = i.next(); 3887 if (p.applicationInfo != null 3888 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3889 && (!mSafeMode || isSystemApp(p))) { 3890 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3891 if (ps != null) { 3892 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3893 ps.readUserState(userId), userId); 3894 if (ai != null) { 3895 finalList.add(ai); 3896 } 3897 } 3898 } 3899 } 3900 } 3901 3902 return finalList; 3903 } 3904 3905 @Override 3906 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3907 if (!sUserManager.exists(userId)) return null; 3908 // reader 3909 synchronized (mPackages) { 3910 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3911 PackageSetting ps = provider != null 3912 ? mSettings.mPackages.get(provider.owner.packageName) 3913 : null; 3914 return ps != null 3915 && mSettings.isEnabledLPr(provider.info, flags, userId) 3916 && (!mSafeMode || (provider.info.applicationInfo.flags 3917 &ApplicationInfo.FLAG_SYSTEM) != 0) 3918 ? PackageParser.generateProviderInfo(provider, flags, 3919 ps.readUserState(userId), userId) 3920 : null; 3921 } 3922 } 3923 3924 /** 3925 * @deprecated 3926 */ 3927 @Deprecated 3928 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3929 // reader 3930 synchronized (mPackages) { 3931 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3932 .entrySet().iterator(); 3933 final int userId = UserHandle.getCallingUserId(); 3934 while (i.hasNext()) { 3935 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3936 PackageParser.Provider p = entry.getValue(); 3937 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3938 3939 if (ps != null && p.syncable 3940 && (!mSafeMode || (p.info.applicationInfo.flags 3941 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3942 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3943 ps.readUserState(userId), userId); 3944 if (info != null) { 3945 outNames.add(entry.getKey()); 3946 outInfo.add(info); 3947 } 3948 } 3949 } 3950 } 3951 } 3952 3953 @Override 3954 public List<ProviderInfo> queryContentProviders(String processName, 3955 int uid, int flags) { 3956 ArrayList<ProviderInfo> finalList = null; 3957 // reader 3958 synchronized (mPackages) { 3959 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3960 final int userId = processName != null ? 3961 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3962 while (i.hasNext()) { 3963 final PackageParser.Provider p = i.next(); 3964 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3965 if (ps != null && p.info.authority != null 3966 && (processName == null 3967 || (p.info.processName.equals(processName) 3968 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3969 && mSettings.isEnabledLPr(p.info, flags, userId) 3970 && (!mSafeMode 3971 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3972 if (finalList == null) { 3973 finalList = new ArrayList<ProviderInfo>(3); 3974 } 3975 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3976 ps.readUserState(userId), userId); 3977 if (info != null) { 3978 finalList.add(info); 3979 } 3980 } 3981 } 3982 } 3983 3984 if (finalList != null) { 3985 Collections.sort(finalList, mProviderInitOrderSorter); 3986 } 3987 3988 return finalList; 3989 } 3990 3991 @Override 3992 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3993 int flags) { 3994 // reader 3995 synchronized (mPackages) { 3996 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3997 return PackageParser.generateInstrumentationInfo(i, flags); 3998 } 3999 } 4000 4001 @Override 4002 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4003 int flags) { 4004 ArrayList<InstrumentationInfo> finalList = 4005 new ArrayList<InstrumentationInfo>(); 4006 4007 // reader 4008 synchronized (mPackages) { 4009 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4010 while (i.hasNext()) { 4011 final PackageParser.Instrumentation p = i.next(); 4012 if (targetPackage == null 4013 || targetPackage.equals(p.info.targetPackage)) { 4014 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4015 flags); 4016 if (ii != null) { 4017 finalList.add(ii); 4018 } 4019 } 4020 } 4021 } 4022 4023 return finalList; 4024 } 4025 4026 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4027 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4028 if (overlays == null) { 4029 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4030 return; 4031 } 4032 for (PackageParser.Package opkg : overlays.values()) { 4033 // Not much to do if idmap fails: we already logged the error 4034 // and we certainly don't want to abort installation of pkg simply 4035 // because an overlay didn't fit properly. For these reasons, 4036 // ignore the return value of createIdmapForPackagePairLI. 4037 createIdmapForPackagePairLI(pkg, opkg); 4038 } 4039 } 4040 4041 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4042 PackageParser.Package opkg) { 4043 if (!opkg.mTrustedOverlay) { 4044 Slog.w(TAG, "Skipping target and overlay pair " + pkg.codePath + " and " + 4045 opkg.codePath + ": overlay not trusted"); 4046 return false; 4047 } 4048 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4049 if (overlaySet == null) { 4050 Slog.e(TAG, "was about to create idmap for " + pkg.codePath + " and " + 4051 opkg.codePath + " but target package has no known overlays"); 4052 return false; 4053 } 4054 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4055 // TODO: generate idmap for split APKs 4056 if (mInstaller.idmap(pkg.codePath, opkg.codePath, sharedGid) != 0) { 4057 Slog.e(TAG, "Failed to generate idmap for " + pkg.codePath + " and " + opkg.codePath); 4058 return false; 4059 } 4060 PackageParser.Package[] overlayArray = 4061 overlaySet.values().toArray(new PackageParser.Package[0]); 4062 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4063 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4064 return p1.mOverlayPriority - p2.mOverlayPriority; 4065 } 4066 }; 4067 Arrays.sort(overlayArray, cmp); 4068 4069 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4070 int i = 0; 4071 for (PackageParser.Package p : overlayArray) { 4072 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4073 } 4074 return true; 4075 } 4076 4077 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4078 String[] files = dir.list(); 4079 if (files == null) { 4080 Log.d(TAG, "No files in app dir " + dir); 4081 return; 4082 } 4083 4084 if (DEBUG_PACKAGE_SCANNING) { 4085 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4086 + " flags=0x" + Integer.toHexString(flags)); 4087 } 4088 4089 int i; 4090 for (i=0; i<files.length; i++) { 4091 File file = new File(dir, files[i]); 4092 if (!isPackageFilename(files[i])) { 4093 // Ignore entries which are not apk's 4094 continue; 4095 } 4096 PackageParser.Package pkg = scanPackageLI(file, 4097 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4098 // Don't mess around with apps in system partition. 4099 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4100 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4101 // Delete the apk 4102 Slog.w(TAG, "Cleaning up failed install of " + file); 4103 file.delete(); 4104 } 4105 } 4106 } 4107 4108 private static File getSettingsProblemFile() { 4109 File dataDir = Environment.getDataDirectory(); 4110 File systemDir = new File(dataDir, "system"); 4111 File fname = new File(systemDir, "uiderrors.txt"); 4112 return fname; 4113 } 4114 4115 static void reportSettingsProblem(int priority, String msg) { 4116 try { 4117 File fname = getSettingsProblemFile(); 4118 FileOutputStream out = new FileOutputStream(fname, true); 4119 PrintWriter pw = new FastPrintWriter(out); 4120 SimpleDateFormat formatter = new SimpleDateFormat(); 4121 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4122 pw.println(dateString + ": " + msg); 4123 pw.close(); 4124 FileUtils.setPermissions( 4125 fname.toString(), 4126 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4127 -1, -1); 4128 } catch (java.io.IOException e) { 4129 } 4130 Slog.println(priority, TAG, msg); 4131 } 4132 4133 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4134 PackageParser.Package pkg, File srcFile, int parseFlags) { 4135 if (ps != null 4136 && ps.codePath.equals(srcFile) 4137 && ps.timeStamp == srcFile.lastModified() 4138 && !isCompatSignatureUpdateNeeded(pkg)) { 4139 if (ps.signatures.mSignatures != null 4140 && ps.signatures.mSignatures.length != 0) { 4141 // Optimization: reuse the existing cached certificates 4142 // if the package appears to be unchanged. 4143 pkg.mSignatures = ps.signatures.mSignatures; 4144 return true; 4145 } 4146 4147 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4148 } else { 4149 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4150 } 4151 4152 try { 4153 pp.collectCertificates(pkg, parseFlags); 4154 pp.collectManifestDigest(pkg); 4155 } catch (PackageParserException e) { 4156 mLastScanError = e.error; 4157 return false; 4158 } 4159 return true; 4160 } 4161 4162 /* 4163 * Scan a package and return the newly parsed package. 4164 * Returns null in case of errors and the error code is stored in mLastScanError 4165 */ 4166 private PackageParser.Package scanPackageLI(File scanFile, 4167 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4168 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4169 String scanPath = scanFile.getPath(); 4170 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4171 parseFlags |= mDefParseFlags; 4172 PackageParser pp = new PackageParser(); 4173 pp.setSeparateProcesses(mSeparateProcesses); 4174 pp.setOnlyCoreApps(mOnlyCore); 4175 pp.setDisplayMetrics(mMetrics); 4176 4177 if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) { 4178 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4179 } 4180 4181 final PackageParser.Package pkg; 4182 try { 4183 pkg = pp.parseMonolithicPackage(scanFile, parseFlags); 4184 } catch (PackageParserException e) { 4185 mLastScanError = e.error; 4186 return null; 4187 } 4188 4189 PackageSetting ps = null; 4190 PackageSetting updatedPkg; 4191 // reader 4192 synchronized (mPackages) { 4193 // Look to see if we already know about this package. 4194 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4195 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4196 // This package has been renamed to its original name. Let's 4197 // use that. 4198 ps = mSettings.peekPackageLPr(oldName); 4199 } 4200 // If there was no original package, see one for the real package name. 4201 if (ps == null) { 4202 ps = mSettings.peekPackageLPr(pkg.packageName); 4203 } 4204 // Check to see if this package could be hiding/updating a system 4205 // package. Must look for it either under the original or real 4206 // package name depending on our state. 4207 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4208 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4209 } 4210 boolean updatedPkgBetter = false; 4211 // First check if this is a system package that may involve an update 4212 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4213 if (ps != null && !ps.codePath.equals(scanFile)) { 4214 // The path has changed from what was last scanned... check the 4215 // version of the new path against what we have stored to determine 4216 // what to do. 4217 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4218 if (pkg.mVersionCode < ps.versionCode) { 4219 // The system package has been updated and the code path does not match 4220 // Ignore entry. Skip it. 4221 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4222 + " ignored: updated version " + ps.versionCode 4223 + " better than this " + pkg.mVersionCode); 4224 if (!updatedPkg.codePath.equals(scanFile)) { 4225 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4226 + ps.name + " changing from " + updatedPkg.codePathString 4227 + " to " + scanFile); 4228 updatedPkg.codePath = scanFile; 4229 updatedPkg.codePathString = scanFile.toString(); 4230 // This is the point at which we know that the system-disk APK 4231 // for this package has moved during a reboot (e.g. due to an OTA), 4232 // so we need to reevaluate it for privilege policy. 4233 if (locationIsPrivileged(scanFile)) { 4234 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4235 } 4236 } 4237 updatedPkg.pkg = pkg; 4238 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4239 return null; 4240 } else { 4241 // The current app on the system partition is better than 4242 // what we have updated to on the data partition; switch 4243 // back to the system partition version. 4244 // At this point, its safely assumed that package installation for 4245 // apps in system partition will go through. If not there won't be a working 4246 // version of the app 4247 // writer 4248 synchronized (mPackages) { 4249 // Just remove the loaded entries from package lists. 4250 mPackages.remove(ps.name); 4251 } 4252 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4253 + "reverting from " + ps.codePathString 4254 + ": new version " + pkg.mVersionCode 4255 + " better than installed " + ps.versionCode); 4256 4257 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4258 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4259 getAppInstructionSetFromSettings(ps)); 4260 synchronized (mInstallLock) { 4261 args.cleanUpResourcesLI(); 4262 } 4263 synchronized (mPackages) { 4264 mSettings.enableSystemPackageLPw(ps.name); 4265 } 4266 updatedPkgBetter = true; 4267 } 4268 } 4269 } 4270 4271 if (updatedPkg != null) { 4272 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4273 // initially 4274 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4275 4276 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4277 // flag set initially 4278 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4279 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4280 } 4281 } 4282 // Verify certificates against what was last scanned 4283 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4284 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4285 return null; 4286 } 4287 4288 /* 4289 * A new system app appeared, but we already had a non-system one of the 4290 * same name installed earlier. 4291 */ 4292 boolean shouldHideSystemApp = false; 4293 if (updatedPkg == null && ps != null 4294 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4295 /* 4296 * Check to make sure the signatures match first. If they don't, 4297 * wipe the installed application and its data. 4298 */ 4299 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4300 != PackageManager.SIGNATURE_MATCH) { 4301 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4302 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4303 ps = null; 4304 } else { 4305 /* 4306 * If the newly-added system app is an older version than the 4307 * already installed version, hide it. It will be scanned later 4308 * and re-added like an update. 4309 */ 4310 if (pkg.mVersionCode < ps.versionCode) { 4311 shouldHideSystemApp = true; 4312 } else { 4313 /* 4314 * The newly found system app is a newer version that the 4315 * one previously installed. Simply remove the 4316 * already-installed application and replace it with our own 4317 * while keeping the application data. 4318 */ 4319 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4320 + ps.codePathString + ": new version " + pkg.mVersionCode 4321 + " better than installed " + ps.versionCode); 4322 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4323 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4324 getAppInstructionSetFromSettings(ps)); 4325 synchronized (mInstallLock) { 4326 args.cleanUpResourcesLI(); 4327 } 4328 } 4329 } 4330 } 4331 4332 // The apk is forward locked (not public) if its code and resources 4333 // are kept in different files. (except for app in either system or 4334 // vendor path). 4335 // TODO grab this value from PackageSettings 4336 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4337 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4338 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4339 } 4340 } 4341 4342 final String codePath = pkg.codePath; 4343 final String[] splitCodePaths = pkg.splitCodePaths; 4344 4345 String resPath = null; 4346 String[] splitResPaths = null; 4347 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4348 if (ps != null && ps.resourcePathString != null) { 4349 resPath = ps.resourcePathString; 4350 splitResPaths = deriveSplitResPaths(pkg.splitCodePaths); 4351 } else { 4352 // Should not happen at all. Just log an error. 4353 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4354 } 4355 } else { 4356 resPath = pkg.codePath; 4357 splitResPaths = pkg.splitCodePaths; 4358 } 4359 4360 // Set application objects path explicitly. 4361 pkg.applicationInfo.sourceDir = codePath; 4362 pkg.applicationInfo.publicSourceDir = resPath; 4363 pkg.applicationInfo.splitSourceDirs = splitCodePaths; 4364 pkg.applicationInfo.splitPublicSourceDirs = splitResPaths; 4365 4366 // Note that we invoke the following method only if we are about to unpack an application 4367 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4368 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4369 4370 /* 4371 * If the system app should be overridden by a previously installed 4372 * data, hide the system app now and let the /data/app scan pick it up 4373 * again. 4374 */ 4375 if (shouldHideSystemApp) { 4376 synchronized (mPackages) { 4377 /* 4378 * We have to grant systems permissions before we hide, because 4379 * grantPermissions will assume the package update is trying to 4380 * expand its permissions. 4381 */ 4382 grantPermissionsLPw(pkg, true); 4383 mSettings.disableSystemPackageLPw(pkg.packageName); 4384 } 4385 } 4386 4387 return scannedPkg; 4388 } 4389 4390 private static String fixProcessName(String defProcessName, 4391 String processName, int uid) { 4392 if (processName == null) { 4393 return defProcessName; 4394 } 4395 return processName; 4396 } 4397 4398 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4399 if (pkgSetting.signatures.mSignatures != null) { 4400 // Already existing package. Make sure signatures match 4401 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4402 == PackageManager.SIGNATURE_MATCH; 4403 if (!match) { 4404 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4405 == PackageManager.SIGNATURE_MATCH; 4406 } 4407 if (!match) { 4408 Slog.e(TAG, "Package " + pkg.packageName 4409 + " signatures do not match the previously installed version; ignoring!"); 4410 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4411 return false; 4412 } 4413 } 4414 // Check for shared user signatures 4415 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4416 // Already existing package. Make sure signatures match 4417 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4418 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4419 if (!match) { 4420 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4421 == PackageManager.SIGNATURE_MATCH; 4422 } 4423 if (!match) { 4424 Slog.e(TAG, "Package " + pkg.packageName 4425 + " has no signatures that match those in shared user " 4426 + pkgSetting.sharedUser.name + "; ignoring!"); 4427 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4428 return false; 4429 } 4430 } 4431 return true; 4432 } 4433 4434 /** 4435 * Enforces that only the system UID or root's UID can call a method exposed 4436 * via Binder. 4437 * 4438 * @param message used as message if SecurityException is thrown 4439 * @throws SecurityException if the caller is not system or root 4440 */ 4441 private static final void enforceSystemOrRoot(String message) { 4442 final int uid = Binder.getCallingUid(); 4443 if (uid != Process.SYSTEM_UID && uid != 0) { 4444 throw new SecurityException(message); 4445 } 4446 } 4447 4448 @Override 4449 public void performBootDexOpt() { 4450 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4451 4452 final HashSet<PackageParser.Package> pkgs; 4453 synchronized (mPackages) { 4454 pkgs = mDeferredDexOpt; 4455 mDeferredDexOpt = null; 4456 } 4457 4458 if (pkgs != null) { 4459 // Filter out packages that aren't recently used. 4460 // 4461 // The exception is first boot of a non-eng device, which 4462 // should do a full dexopt. 4463 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4464 if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4465 // TODO: add a property to control this? 4466 long dexOptLRUThresholdInMinutes; 4467 if (eng) { 4468 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4469 } else { 4470 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4471 } 4472 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4473 4474 int total = pkgs.size(); 4475 int skipped = 0; 4476 long now = System.currentTimeMillis(); 4477 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4478 PackageParser.Package pkg = i.next(); 4479 long then = pkg.mLastPackageUsageTimeInMills; 4480 if (then + dexOptLRUThresholdInMills < now) { 4481 if (DEBUG_DEXOPT) { 4482 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4483 ((then == 0) ? "never" : new Date(then))); 4484 } 4485 i.remove(); 4486 skipped++; 4487 } 4488 } 4489 if (DEBUG_DEXOPT) { 4490 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4491 } 4492 } 4493 4494 int i = 0; 4495 for (PackageParser.Package pkg : pkgs) { 4496 i++; 4497 if (DEBUG_DEXOPT) { 4498 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4499 + ": " + pkg.packageName); 4500 } 4501 if (!isFirstBoot()) { 4502 try { 4503 ActivityManagerNative.getDefault().showBootMessage( 4504 mContext.getResources().getString( 4505 R.string.android_upgrading_apk, 4506 i, pkgs.size()), true); 4507 } catch (RemoteException e) { 4508 } 4509 } 4510 PackageParser.Package p = pkg; 4511 synchronized (mInstallLock) { 4512 if (p.mDexOptNeeded) { 4513 performDexOptLI(p, false /* force dex */, false /* defer */, 4514 true /* include dependencies */); 4515 } 4516 } 4517 } 4518 } 4519 } 4520 4521 @Override 4522 public boolean performDexOpt(String packageName) { 4523 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4524 return performDexOpt(packageName, true); 4525 } 4526 4527 public boolean performDexOpt(String packageName, boolean updateUsage) { 4528 4529 PackageParser.Package p; 4530 synchronized (mPackages) { 4531 p = mPackages.get(packageName); 4532 if (p == null) { 4533 return false; 4534 } 4535 if (updateUsage) { 4536 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4537 } 4538 mPackageUsage.write(false); 4539 if (!p.mDexOptNeeded) { 4540 return false; 4541 } 4542 } 4543 4544 synchronized (mInstallLock) { 4545 return performDexOptLI(p, false /* force dex */, false /* defer */, 4546 true /* include dependencies */) == DEX_OPT_PERFORMED; 4547 } 4548 } 4549 4550 public HashSet<String> getPackagesThatNeedDexOpt() { 4551 HashSet<String> pkgs = null; 4552 synchronized (mPackages) { 4553 for (PackageParser.Package p : mPackages.values()) { 4554 if (DEBUG_DEXOPT) { 4555 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4556 } 4557 if (!p.mDexOptNeeded) { 4558 continue; 4559 } 4560 if (pkgs == null) { 4561 pkgs = new HashSet<String>(); 4562 } 4563 pkgs.add(p.packageName); 4564 } 4565 } 4566 return pkgs; 4567 } 4568 4569 public void shutdown() { 4570 mPackageUsage.write(true); 4571 } 4572 4573 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4574 boolean forceDex, boolean defer, HashSet<String> done) { 4575 for (int i=0; i<libs.size(); i++) { 4576 PackageParser.Package libPkg; 4577 String libName; 4578 synchronized (mPackages) { 4579 libName = libs.get(i); 4580 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4581 if (lib != null && lib.apk != null) { 4582 libPkg = mPackages.get(lib.apk); 4583 } else { 4584 libPkg = null; 4585 } 4586 } 4587 if (libPkg != null && !done.contains(libName)) { 4588 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4589 } 4590 } 4591 } 4592 4593 static final int DEX_OPT_SKIPPED = 0; 4594 static final int DEX_OPT_PERFORMED = 1; 4595 static final int DEX_OPT_DEFERRED = 2; 4596 static final int DEX_OPT_FAILED = -1; 4597 4598 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4599 boolean forceDex, boolean defer, HashSet<String> done) { 4600 final String instructionSet = instructionSetOverride != null ? 4601 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4602 4603 if (done != null) { 4604 done.add(pkg.packageName); 4605 if (pkg.usesLibraries != null) { 4606 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4607 } 4608 if (pkg.usesOptionalLibraries != null) { 4609 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4610 } 4611 } 4612 4613 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 4614 final Collection<String> paths = pkg.getAllCodePaths(); 4615 for (String path : paths) { 4616 try { 4617 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4618 pkg.packageName, instructionSet, defer); 4619 // There are three basic cases here: 4620 // 1.) we need to dexopt, either because we are forced or it is needed 4621 // 2.) we are defering a needed dexopt 4622 // 3.) we are skipping an unneeded dexopt 4623 if (forceDex || (!defer && isDexOptNeededInternal)) { 4624 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4625 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4626 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4627 pkg.packageName, instructionSet); 4628 // Note that we ran dexopt, since rerunning will 4629 // probably just result in an error again. 4630 pkg.mDexOptNeeded = false; 4631 if (ret < 0) { 4632 return DEX_OPT_FAILED; 4633 } 4634 return DEX_OPT_PERFORMED; 4635 } 4636 if (defer && isDexOptNeededInternal) { 4637 if (mDeferredDexOpt == null) { 4638 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4639 } 4640 mDeferredDexOpt.add(pkg); 4641 return DEX_OPT_DEFERRED; 4642 } 4643 pkg.mDexOptNeeded = false; 4644 return DEX_OPT_SKIPPED; 4645 } catch (FileNotFoundException e) { 4646 Slog.w(TAG, "Apk not found for dexopt: " + path); 4647 return DEX_OPT_FAILED; 4648 } catch (IOException e) { 4649 Slog.w(TAG, "IOException reading apk: " + path, e); 4650 return DEX_OPT_FAILED; 4651 } catch (StaleDexCacheError e) { 4652 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4653 return DEX_OPT_FAILED; 4654 } catch (Exception e) { 4655 Slog.w(TAG, "Exception when doing dexopt : ", e); 4656 return DEX_OPT_FAILED; 4657 } 4658 } 4659 } 4660 return DEX_OPT_SKIPPED; 4661 } 4662 4663 private String getAppInstructionSet(ApplicationInfo info) { 4664 String instructionSet = getPreferredInstructionSet(); 4665 4666 if (info.cpuAbi != null) { 4667 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4668 } 4669 4670 return instructionSet; 4671 } 4672 4673 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4674 String instructionSet = getPreferredInstructionSet(); 4675 4676 if (ps.cpuAbiString != null) { 4677 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4678 } 4679 4680 return instructionSet; 4681 } 4682 4683 private static String getPreferredInstructionSet() { 4684 if (sPreferredInstructionSet == null) { 4685 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4686 } 4687 4688 return sPreferredInstructionSet; 4689 } 4690 4691 private static List<String> getAllInstructionSets() { 4692 final String[] allAbis = Build.SUPPORTED_ABIS; 4693 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4694 4695 for (String abi : allAbis) { 4696 final String instructionSet = VMRuntime.getInstructionSet(abi); 4697 if (!allInstructionSets.contains(instructionSet)) { 4698 allInstructionSets.add(instructionSet); 4699 } 4700 } 4701 4702 return allInstructionSets; 4703 } 4704 4705 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4706 boolean inclDependencies) { 4707 HashSet<String> done; 4708 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4709 done = new HashSet<String>(); 4710 done.add(pkg.packageName); 4711 } else { 4712 done = null; 4713 } 4714 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4715 } 4716 4717 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4718 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4719 Slog.w(TAG, "Unable to update from " + oldPkg.name 4720 + " to " + newPkg.packageName 4721 + ": old package not in system partition"); 4722 return false; 4723 } else if (mPackages.get(oldPkg.name) != null) { 4724 Slog.w(TAG, "Unable to update from " + oldPkg.name 4725 + " to " + newPkg.packageName 4726 + ": old package still exists"); 4727 return false; 4728 } 4729 return true; 4730 } 4731 4732 File getDataPathForUser(int userId) { 4733 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4734 } 4735 4736 private File getDataPathForPackage(String packageName, int userId) { 4737 /* 4738 * Until we fully support multiple users, return the directory we 4739 * previously would have. The PackageManagerTests will need to be 4740 * revised when this is changed back.. 4741 */ 4742 if (userId == 0) { 4743 return new File(mAppDataDir, packageName); 4744 } else { 4745 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4746 + File.separator + packageName); 4747 } 4748 } 4749 4750 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4751 int[] users = sUserManager.getUserIds(); 4752 int res = mInstaller.install(packageName, uid, uid, seinfo); 4753 if (res < 0) { 4754 return res; 4755 } 4756 for (int user : users) { 4757 if (user != 0) { 4758 res = mInstaller.createUserData(packageName, 4759 UserHandle.getUid(user, uid), user, seinfo); 4760 if (res < 0) { 4761 return res; 4762 } 4763 } 4764 } 4765 return res; 4766 } 4767 4768 private int removeDataDirsLI(String packageName) { 4769 int[] users = sUserManager.getUserIds(); 4770 int res = 0; 4771 for (int user : users) { 4772 int resInner = mInstaller.remove(packageName, user); 4773 if (resInner < 0) { 4774 res = resInner; 4775 } 4776 } 4777 4778 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4779 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4780 if (!nativeLibraryFile.delete()) { 4781 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4782 } 4783 4784 return res; 4785 } 4786 4787 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4788 PackageParser.Package changingLib) { 4789 if (file.path != null) { 4790 usesLibraryFiles.add(file.path); 4791 return; 4792 } 4793 PackageParser.Package p = mPackages.get(file.apk); 4794 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4795 // If we are doing this while in the middle of updating a library apk, 4796 // then we need to make sure to use that new apk for determining the 4797 // dependencies here. (We haven't yet finished committing the new apk 4798 // to the package manager state.) 4799 if (p == null || p.packageName.equals(changingLib.packageName)) { 4800 p = changingLib; 4801 } 4802 } 4803 if (p != null) { 4804 usesLibraryFiles.addAll(p.getAllCodePaths()); 4805 } 4806 } 4807 4808 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4809 PackageParser.Package changingLib) { 4810 // We might be upgrading from a version of the platform that did not 4811 // provide per-package native library directories for system apps. 4812 // Fix that up here. 4813 if (isSystemApp(pkg)) { 4814 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4815 setInternalAppNativeLibraryPath(pkg, ps); 4816 } 4817 4818 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4819 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4820 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4821 for (int i=0; i<N; i++) { 4822 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4823 if (file == null) { 4824 Slog.e(TAG, "Package " + pkg.packageName 4825 + " requires unavailable shared library " 4826 + pkg.usesLibraries.get(i) + "; failing!"); 4827 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4828 return false; 4829 } 4830 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4831 } 4832 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4833 for (int i=0; i<N; i++) { 4834 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4835 if (file == null) { 4836 Slog.w(TAG, "Package " + pkg.packageName 4837 + " desires unavailable shared library " 4838 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4839 } else { 4840 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4841 } 4842 } 4843 N = usesLibraryFiles.size(); 4844 if (N > 0) { 4845 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4846 } else { 4847 pkg.usesLibraryFiles = null; 4848 } 4849 } 4850 return true; 4851 } 4852 4853 private static boolean hasString(List<String> list, List<String> which) { 4854 if (list == null) { 4855 return false; 4856 } 4857 for (int i=list.size()-1; i>=0; i--) { 4858 for (int j=which.size()-1; j>=0; j--) { 4859 if (which.get(j).equals(list.get(i))) { 4860 return true; 4861 } 4862 } 4863 } 4864 return false; 4865 } 4866 4867 private void updateAllSharedLibrariesLPw() { 4868 for (PackageParser.Package pkg : mPackages.values()) { 4869 updateSharedLibrariesLPw(pkg, null); 4870 } 4871 } 4872 4873 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4874 PackageParser.Package changingPkg) { 4875 ArrayList<PackageParser.Package> res = null; 4876 for (PackageParser.Package pkg : mPackages.values()) { 4877 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4878 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4879 if (res == null) { 4880 res = new ArrayList<PackageParser.Package>(); 4881 } 4882 res.add(pkg); 4883 updateSharedLibrariesLPw(pkg, changingPkg); 4884 } 4885 } 4886 return res; 4887 } 4888 4889 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4890 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4891 final File scanFile = new File(pkg.codePath); 4892 if (pkg.applicationInfo.sourceDir == null || 4893 pkg.applicationInfo.publicSourceDir == null) { 4894 // Bail out. The resource and code paths haven't been set. 4895 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4896 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4897 return null; 4898 } 4899 4900 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4901 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4902 } 4903 4904 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4905 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4906 } 4907 4908 if (mCustomResolverComponentName != null && 4909 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4910 setUpCustomResolverActivity(pkg); 4911 } 4912 4913 if (pkg.packageName.equals("android")) { 4914 synchronized (mPackages) { 4915 if (mAndroidApplication != null) { 4916 Slog.w(TAG, "*************************************************"); 4917 Slog.w(TAG, "Core android package being redefined. Skipping."); 4918 Slog.w(TAG, " file=" + scanFile); 4919 Slog.w(TAG, "*************************************************"); 4920 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4921 return null; 4922 } 4923 4924 // Set up information for our fall-back user intent resolution activity. 4925 mPlatformPackage = pkg; 4926 pkg.mVersionCode = mSdkVersion; 4927 mAndroidApplication = pkg.applicationInfo; 4928 4929 if (!mResolverReplaced) { 4930 mResolveActivity.applicationInfo = mAndroidApplication; 4931 mResolveActivity.name = ResolverActivity.class.getName(); 4932 mResolveActivity.packageName = mAndroidApplication.packageName; 4933 mResolveActivity.processName = "system:ui"; 4934 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4935 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4936 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4937 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4938 mResolveActivity.exported = true; 4939 mResolveActivity.enabled = true; 4940 mResolveInfo.activityInfo = mResolveActivity; 4941 mResolveInfo.priority = 0; 4942 mResolveInfo.preferredOrder = 0; 4943 mResolveInfo.match = 0; 4944 mResolveComponentName = new ComponentName( 4945 mAndroidApplication.packageName, mResolveActivity.name); 4946 } 4947 } 4948 } 4949 4950 if (DEBUG_PACKAGE_SCANNING) { 4951 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4952 Log.d(TAG, "Scanning package " + pkg.packageName); 4953 } 4954 4955 if (mPackages.containsKey(pkg.packageName) 4956 || mSharedLibraries.containsKey(pkg.packageName)) { 4957 Slog.w(TAG, "Application package " + pkg.packageName 4958 + " already installed. Skipping duplicate."); 4959 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4960 return null; 4961 } 4962 4963 // Initialize package source and resource directories 4964 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4965 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4966 4967 SharedUserSetting suid = null; 4968 PackageSetting pkgSetting = null; 4969 4970 if (!isSystemApp(pkg)) { 4971 // Only system apps can use these features. 4972 pkg.mOriginalPackages = null; 4973 pkg.mRealPackage = null; 4974 pkg.mAdoptPermissions = null; 4975 } 4976 4977 // writer 4978 synchronized (mPackages) { 4979 if (pkg.mSharedUserId != null) { 4980 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4981 if (suid == null) { 4982 Slog.w(TAG, "Creating application package " + pkg.packageName 4983 + " for shared user failed"); 4984 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4985 return null; 4986 } 4987 if (DEBUG_PACKAGE_SCANNING) { 4988 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4989 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4990 + "): packages=" + suid.packages); 4991 } 4992 } 4993 4994 // Check if we are renaming from an original package name. 4995 PackageSetting origPackage = null; 4996 String realName = null; 4997 if (pkg.mOriginalPackages != null) { 4998 // This package may need to be renamed to a previously 4999 // installed name. Let's check on that... 5000 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5001 if (pkg.mOriginalPackages.contains(renamed)) { 5002 // This package had originally been installed as the 5003 // original name, and we have already taken care of 5004 // transitioning to the new one. Just update the new 5005 // one to continue using the old name. 5006 realName = pkg.mRealPackage; 5007 if (!pkg.packageName.equals(renamed)) { 5008 // Callers into this function may have already taken 5009 // care of renaming the package; only do it here if 5010 // it is not already done. 5011 pkg.setPackageName(renamed); 5012 } 5013 5014 } else { 5015 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5016 if ((origPackage = mSettings.peekPackageLPr( 5017 pkg.mOriginalPackages.get(i))) != null) { 5018 // We do have the package already installed under its 5019 // original name... should we use it? 5020 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5021 // New package is not compatible with original. 5022 origPackage = null; 5023 continue; 5024 } else if (origPackage.sharedUser != null) { 5025 // Make sure uid is compatible between packages. 5026 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5027 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5028 + " to " + pkg.packageName + ": old uid " 5029 + origPackage.sharedUser.name 5030 + " differs from " + pkg.mSharedUserId); 5031 origPackage = null; 5032 continue; 5033 } 5034 } else { 5035 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5036 + pkg.packageName + " to old name " + origPackage.name); 5037 } 5038 break; 5039 } 5040 } 5041 } 5042 } 5043 5044 if (mTransferedPackages.contains(pkg.packageName)) { 5045 Slog.w(TAG, "Package " + pkg.packageName 5046 + " was transferred to another, but its .apk remains"); 5047 } 5048 5049 // Just create the setting, don't add it yet. For already existing packages 5050 // the PkgSetting exists already and doesn't have to be created. 5051 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5052 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5053 pkg.applicationInfo.cpuAbi, 5054 pkg.applicationInfo.flags, user, false); 5055 if (pkgSetting == null) { 5056 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5057 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5058 return null; 5059 } 5060 5061 if (pkgSetting.origPackage != null) { 5062 // If we are first transitioning from an original package, 5063 // fix up the new package's name now. We need to do this after 5064 // looking up the package under its new name, so getPackageLP 5065 // can take care of fiddling things correctly. 5066 pkg.setPackageName(origPackage.name); 5067 5068 // File a report about this. 5069 String msg = "New package " + pkgSetting.realName 5070 + " renamed to replace old package " + pkgSetting.name; 5071 reportSettingsProblem(Log.WARN, msg); 5072 5073 // Make a note of it. 5074 mTransferedPackages.add(origPackage.name); 5075 5076 // No longer need to retain this. 5077 pkgSetting.origPackage = null; 5078 } 5079 5080 if (realName != null) { 5081 // Make a note of it. 5082 mTransferedPackages.add(pkg.packageName); 5083 } 5084 5085 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5086 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5087 } 5088 5089 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5090 // Check all shared libraries and map to their actual file path. 5091 // We only do this here for apps not on a system dir, because those 5092 // are the only ones that can fail an install due to this. We 5093 // will take care of the system apps by updating all of their 5094 // library paths after the scan is done. 5095 if (!updateSharedLibrariesLPw(pkg, null)) { 5096 return null; 5097 } 5098 } 5099 5100 if (mFoundPolicyFile) { 5101 SELinuxMMAC.assignSeinfoValue(pkg); 5102 } 5103 5104 pkg.applicationInfo.uid = pkgSetting.appId; 5105 pkg.mExtras = pkgSetting; 5106 5107 if (!verifySignaturesLP(pkgSetting, pkg)) { 5108 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5109 return null; 5110 } 5111 // The signature has changed, but this package is in the system 5112 // image... let's recover! 5113 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5114 // However... if this package is part of a shared user, but it 5115 // doesn't match the signature of the shared user, let's fail. 5116 // What this means is that you can't change the signatures 5117 // associated with an overall shared user, which doesn't seem all 5118 // that unreasonable. 5119 if (pkgSetting.sharedUser != null) { 5120 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5121 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5122 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5123 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5124 return null; 5125 } 5126 } 5127 // File a report about this. 5128 String msg = "System package " + pkg.packageName 5129 + " signature changed; retaining data."; 5130 reportSettingsProblem(Log.WARN, msg); 5131 } 5132 5133 // Verify that this new package doesn't have any content providers 5134 // that conflict with existing packages. Only do this if the 5135 // package isn't already installed, since we don't want to break 5136 // things that are installed. 5137 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5138 final int N = pkg.providers.size(); 5139 int i; 5140 for (i=0; i<N; i++) { 5141 PackageParser.Provider p = pkg.providers.get(i); 5142 if (p.info.authority != null) { 5143 String names[] = p.info.authority.split(";"); 5144 for (int j = 0; j < names.length; j++) { 5145 if (mProvidersByAuthority.containsKey(names[j])) { 5146 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5147 Slog.w(TAG, "Can't install because provider name " + names[j] + 5148 " (in package " + pkg.applicationInfo.packageName + 5149 ") is already used by " 5150 + ((other != null && other.getComponentName() != null) 5151 ? other.getComponentName().getPackageName() : "?")); 5152 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5153 return null; 5154 } 5155 } 5156 } 5157 } 5158 } 5159 5160 if (pkg.mAdoptPermissions != null) { 5161 // This package wants to adopt ownership of permissions from 5162 // another package. 5163 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5164 final String origName = pkg.mAdoptPermissions.get(i); 5165 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5166 if (orig != null) { 5167 if (verifyPackageUpdateLPr(orig, pkg)) { 5168 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5169 + pkg.packageName); 5170 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5171 } 5172 } 5173 } 5174 } 5175 } 5176 5177 final String pkgName = pkg.packageName; 5178 5179 final long scanFileTime = scanFile.lastModified(); 5180 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5181 pkg.applicationInfo.processName = fixProcessName( 5182 pkg.applicationInfo.packageName, 5183 pkg.applicationInfo.processName, 5184 pkg.applicationInfo.uid); 5185 5186 File dataPath; 5187 if (mPlatformPackage == pkg) { 5188 // The system package is special. 5189 dataPath = new File (Environment.getDataDirectory(), "system"); 5190 pkg.applicationInfo.dataDir = dataPath.getPath(); 5191 } else { 5192 // This is a normal package, need to make its data directory. 5193 dataPath = getDataPathForPackage(pkg.packageName, 0); 5194 5195 boolean uidError = false; 5196 5197 if (dataPath.exists()) { 5198 int currentUid = 0; 5199 try { 5200 StructStat stat = Os.stat(dataPath.getPath()); 5201 currentUid = stat.st_uid; 5202 } catch (ErrnoException e) { 5203 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5204 } 5205 5206 // If we have mismatched owners for the data path, we have a problem. 5207 if (currentUid != pkg.applicationInfo.uid) { 5208 boolean recovered = false; 5209 if (currentUid == 0) { 5210 // The directory somehow became owned by root. Wow. 5211 // This is probably because the system was stopped while 5212 // installd was in the middle of messing with its libs 5213 // directory. Ask installd to fix that. 5214 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5215 pkg.applicationInfo.uid); 5216 if (ret >= 0) { 5217 recovered = true; 5218 String msg = "Package " + pkg.packageName 5219 + " unexpectedly changed to uid 0; recovered to " + 5220 + pkg.applicationInfo.uid; 5221 reportSettingsProblem(Log.WARN, msg); 5222 } 5223 } 5224 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5225 || (scanMode&SCAN_BOOTING) != 0)) { 5226 // If this is a system app, we can at least delete its 5227 // current data so the application will still work. 5228 int ret = removeDataDirsLI(pkgName); 5229 if (ret >= 0) { 5230 // TODO: Kill the processes first 5231 // Old data gone! 5232 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5233 ? "System package " : "Third party package "; 5234 String msg = prefix + pkg.packageName 5235 + " has changed from uid: " 5236 + currentUid + " to " 5237 + pkg.applicationInfo.uid + "; old data erased"; 5238 reportSettingsProblem(Log.WARN, msg); 5239 recovered = true; 5240 5241 // And now re-install the app. 5242 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5243 pkg.applicationInfo.seinfo); 5244 if (ret == -1) { 5245 // Ack should not happen! 5246 msg = prefix + pkg.packageName 5247 + " could not have data directory re-created after delete."; 5248 reportSettingsProblem(Log.WARN, msg); 5249 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5250 return null; 5251 } 5252 } 5253 if (!recovered) { 5254 mHasSystemUidErrors = true; 5255 } 5256 } else if (!recovered) { 5257 // If we allow this install to proceed, we will be broken. 5258 // Abort, abort! 5259 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5260 return null; 5261 } 5262 if (!recovered) { 5263 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5264 + pkg.applicationInfo.uid + "/fs_" 5265 + currentUid; 5266 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5267 String msg = "Package " + pkg.packageName 5268 + " has mismatched uid: " 5269 + currentUid + " on disk, " 5270 + pkg.applicationInfo.uid + " in settings"; 5271 // writer 5272 synchronized (mPackages) { 5273 mSettings.mReadMessages.append(msg); 5274 mSettings.mReadMessages.append('\n'); 5275 uidError = true; 5276 if (!pkgSetting.uidError) { 5277 reportSettingsProblem(Log.ERROR, msg); 5278 } 5279 } 5280 } 5281 } 5282 pkg.applicationInfo.dataDir = dataPath.getPath(); 5283 if (mShouldRestoreconData) { 5284 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5285 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5286 pkg.applicationInfo.uid); 5287 } 5288 } else { 5289 if (DEBUG_PACKAGE_SCANNING) { 5290 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5291 Log.v(TAG, "Want this data dir: " + dataPath); 5292 } 5293 //invoke installer to do the actual installation 5294 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5295 pkg.applicationInfo.seinfo); 5296 if (ret < 0) { 5297 // Error from installer 5298 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5299 return null; 5300 } 5301 5302 if (dataPath.exists()) { 5303 pkg.applicationInfo.dataDir = dataPath.getPath(); 5304 } else { 5305 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5306 pkg.applicationInfo.dataDir = null; 5307 } 5308 } 5309 5310 /* 5311 * Set the data dir to the default "/data/data/<package name>/lib" 5312 * if we got here without anyone telling us different (e.g., apps 5313 * stored on SD card have their native libraries stored in the ASEC 5314 * container with the APK). 5315 * 5316 * This happens during an upgrade from a package settings file that 5317 * doesn't have a native library path attribute at all. 5318 */ 5319 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5320 if (pkgSetting.nativeLibraryPathString == null) { 5321 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5322 } else { 5323 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5324 } 5325 } 5326 pkgSetting.uidError = uidError; 5327 } 5328 5329 final String path = scanFile.getPath(); 5330 /* Note: We don't want to unpack the native binaries for 5331 * system applications, unless they have been updated 5332 * (the binaries are already under /system/lib). 5333 * Also, don't unpack libs for apps on the external card 5334 * since they should have their libraries in the ASEC 5335 * container already. 5336 * 5337 * In other words, we're going to unpack the binaries 5338 * only for non-system apps and system app upgrades. 5339 */ 5340 if (pkg.applicationInfo.nativeLibraryDir != null) { 5341 // TODO: extend to extract native code from split APKs 5342 ApkHandle handle = null; 5343 try { 5344 handle = ApkHandle.create(scanFile.getPath()); 5345 // Enable gross and lame hacks for apps that are built with old 5346 // SDK tools. We must scan their APKs for renderscript bitcode and 5347 // not launch them if it's present. Don't bother checking on devices 5348 // that don't have 64 bit support. 5349 String[] abiList = Build.SUPPORTED_ABIS; 5350 boolean hasLegacyRenderscriptBitcode = false; 5351 if (abiOverride != null) { 5352 abiList = new String[] { abiOverride }; 5353 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5354 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5355 abiList = Build.SUPPORTED_32_BIT_ABIS; 5356 hasLegacyRenderscriptBitcode = true; 5357 } 5358 5359 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5360 final String dataPathString = dataPath.getCanonicalPath(); 5361 5362 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5363 /* 5364 * Upgrading from a previous version of the OS sometimes 5365 * leaves native libraries in the /data/data/<app>/lib 5366 * directory for system apps even when they shouldn't be. 5367 * Recent changes in the JNI library search path 5368 * necessitates we remove those to match previous behavior. 5369 */ 5370 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5371 Log.i(TAG, "removed obsolete native libraries for system package " 5372 + path); 5373 } 5374 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5375 pkg.applicationInfo.cpuAbi = abiList[0]; 5376 pkgSetting.cpuAbiString = abiList[0]; 5377 } else { 5378 setInternalAppAbi(pkg, pkgSetting); 5379 } 5380 } else { 5381 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5382 /* 5383 * Update native library dir if it starts with 5384 * /data/data 5385 */ 5386 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5387 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5388 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5389 } 5390 5391 try { 5392 int copyRet = copyNativeLibrariesForInternalApp(handle, 5393 nativeLibraryDir, abiList); 5394 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5395 Slog.e(TAG, "Unable to copy native libraries"); 5396 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5397 return null; 5398 } 5399 5400 // We've successfully copied native libraries across, so we make a 5401 // note of what ABI we're using 5402 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5403 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5404 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5405 pkg.applicationInfo.cpuAbi = abiList[0]; 5406 } else { 5407 pkg.applicationInfo.cpuAbi = null; 5408 } 5409 } catch (IOException e) { 5410 Slog.e(TAG, "Unable to copy native libraries", e); 5411 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5412 return null; 5413 } 5414 } else { 5415 // We don't have to copy the shared libraries if we're in the ASEC container 5416 // but we still need to scan the file to figure out what ABI the app needs. 5417 // 5418 // TODO: This duplicates work done in the default container service. It's possible 5419 // to clean this up but we'll need to change the interface between this service 5420 // and IMediaContainerService (but doing so will spread this logic out, rather 5421 // than centralizing it). 5422 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5423 if (abi >= 0) { 5424 pkg.applicationInfo.cpuAbi = abiList[abi]; 5425 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5426 // Note that (non upgraded) system apps will not have any native 5427 // libraries bundled in their APK, but we're guaranteed not to be 5428 // such an app at this point. 5429 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5430 pkg.applicationInfo.cpuAbi = abiList[0]; 5431 } else { 5432 pkg.applicationInfo.cpuAbi = null; 5433 } 5434 } else { 5435 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5436 return null; 5437 } 5438 } 5439 5440 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5441 final int[] userIds = sUserManager.getUserIds(); 5442 synchronized (mInstallLock) { 5443 for (int userId : userIds) { 5444 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5445 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5446 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5447 + ")"); 5448 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5449 return null; 5450 } 5451 } 5452 } 5453 } 5454 5455 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5456 } catch (IOException ioe) { 5457 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5458 } finally { 5459 IoUtils.closeQuietly(handle); 5460 } 5461 } 5462 5463 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5464 // We don't do this here during boot because we can do it all 5465 // at once after scanning all existing packages. 5466 // 5467 // We also do this *before* we perform dexopt on this package, so that 5468 // we can avoid redundant dexopts, and also to make sure we've got the 5469 // code and package path correct. 5470 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5471 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5472 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5473 return null; 5474 } 5475 } 5476 5477 if ((scanMode&SCAN_NO_DEX) == 0) { 5478 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5479 == DEX_OPT_FAILED) { 5480 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5481 removeDataDirsLI(pkg.packageName); 5482 } 5483 5484 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5485 return null; 5486 } 5487 } 5488 5489 if (mFactoryTest && pkg.requestedPermissions.contains( 5490 android.Manifest.permission.FACTORY_TEST)) { 5491 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5492 } 5493 5494 ArrayList<PackageParser.Package> clientLibPkgs = null; 5495 5496 // writer 5497 synchronized (mPackages) { 5498 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5499 // Only system apps can add new shared libraries. 5500 if (pkg.libraryNames != null) { 5501 for (int i=0; i<pkg.libraryNames.size(); i++) { 5502 String name = pkg.libraryNames.get(i); 5503 boolean allowed = false; 5504 if (isUpdatedSystemApp(pkg)) { 5505 // New library entries can only be added through the 5506 // system image. This is important to get rid of a lot 5507 // of nasty edge cases: for example if we allowed a non- 5508 // system update of the app to add a library, then uninstalling 5509 // the update would make the library go away, and assumptions 5510 // we made such as through app install filtering would now 5511 // have allowed apps on the device which aren't compatible 5512 // with it. Better to just have the restriction here, be 5513 // conservative, and create many fewer cases that can negatively 5514 // impact the user experience. 5515 final PackageSetting sysPs = mSettings 5516 .getDisabledSystemPkgLPr(pkg.packageName); 5517 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5518 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5519 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5520 allowed = true; 5521 allowed = true; 5522 break; 5523 } 5524 } 5525 } 5526 } else { 5527 allowed = true; 5528 } 5529 if (allowed) { 5530 if (!mSharedLibraries.containsKey(name)) { 5531 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5532 } else if (!name.equals(pkg.packageName)) { 5533 Slog.w(TAG, "Package " + pkg.packageName + " library " 5534 + name + " already exists; skipping"); 5535 } 5536 } else { 5537 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5538 + name + " that is not declared on system image; skipping"); 5539 } 5540 } 5541 if ((scanMode&SCAN_BOOTING) == 0) { 5542 // If we are not booting, we need to update any applications 5543 // that are clients of our shared library. If we are booting, 5544 // this will all be done once the scan is complete. 5545 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5546 } 5547 } 5548 } 5549 } 5550 5551 // We also need to dexopt any apps that are dependent on this library. Note that 5552 // if these fail, we should abort the install since installing the library will 5553 // result in some apps being broken. 5554 if (clientLibPkgs != null) { 5555 if ((scanMode&SCAN_NO_DEX) == 0) { 5556 for (int i=0; i<clientLibPkgs.size(); i++) { 5557 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5558 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5559 == DEX_OPT_FAILED) { 5560 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5561 removeDataDirsLI(pkg.packageName); 5562 } 5563 5564 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5565 return null; 5566 } 5567 } 5568 } 5569 } 5570 5571 // Request the ActivityManager to kill the process(only for existing packages) 5572 // so that we do not end up in a confused state while the user is still using the older 5573 // version of the application while the new one gets installed. 5574 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5575 // If the package lives in an asec, tell everyone that the container is going 5576 // away so they can clean up any references to its resources (which would prevent 5577 // vold from being able to unmount the asec) 5578 if (isForwardLocked(pkg) || isExternal(pkg)) { 5579 if (DEBUG_INSTALL) { 5580 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5581 } 5582 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5583 final ArrayList<String> pkgList = new ArrayList<String>(1); 5584 pkgList.add(pkg.applicationInfo.packageName); 5585 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5586 } 5587 5588 // Post the request that it be killed now that the going-away broadcast is en route 5589 killApplication(pkg.applicationInfo.packageName, 5590 pkg.applicationInfo.uid, "update pkg"); 5591 } 5592 5593 // Also need to kill any apps that are dependent on the library. 5594 if (clientLibPkgs != null) { 5595 for (int i=0; i<clientLibPkgs.size(); i++) { 5596 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5597 killApplication(clientPkg.applicationInfo.packageName, 5598 clientPkg.applicationInfo.uid, "update lib"); 5599 } 5600 } 5601 5602 // writer 5603 synchronized (mPackages) { 5604 // We don't expect installation to fail beyond this point, 5605 if ((scanMode&SCAN_MONITOR) != 0) { 5606 mAppDirs.put(pkg.codePath, pkg); 5607 } 5608 // Add the new setting to mSettings 5609 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5610 // Add the new setting to mPackages 5611 mPackages.put(pkg.applicationInfo.packageName, pkg); 5612 // Make sure we don't accidentally delete its data. 5613 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5614 while (iter.hasNext()) { 5615 PackageCleanItem item = iter.next(); 5616 if (pkgName.equals(item.packageName)) { 5617 iter.remove(); 5618 } 5619 } 5620 5621 // Take care of first install / last update times. 5622 if (currentTime != 0) { 5623 if (pkgSetting.firstInstallTime == 0) { 5624 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5625 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5626 pkgSetting.lastUpdateTime = currentTime; 5627 } 5628 } else if (pkgSetting.firstInstallTime == 0) { 5629 // We need *something*. Take time time stamp of the file. 5630 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5631 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5632 if (scanFileTime != pkgSetting.timeStamp) { 5633 // A package on the system image has changed; consider this 5634 // to be an update. 5635 pkgSetting.lastUpdateTime = scanFileTime; 5636 } 5637 } 5638 5639 // Add the package's KeySets to the global KeySetManager 5640 KeySetManager ksm = mSettings.mKeySetManager; 5641 try { 5642 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5643 if (pkg.mKeySetMapping != null) { 5644 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5645 pkg.mKeySetMapping.entrySet()) { 5646 if (entry.getValue() != null) { 5647 ksm.addDefinedKeySetToPackage(pkg.packageName, 5648 entry.getValue(), entry.getKey()); 5649 } 5650 } 5651 } 5652 } catch (NullPointerException e) { 5653 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5654 } catch (IllegalArgumentException e) { 5655 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5656 } 5657 5658 int N = pkg.providers.size(); 5659 StringBuilder r = null; 5660 int i; 5661 for (i=0; i<N; i++) { 5662 PackageParser.Provider p = pkg.providers.get(i); 5663 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5664 p.info.processName, pkg.applicationInfo.uid); 5665 mProviders.addProvider(p); 5666 p.syncable = p.info.isSyncable; 5667 if (p.info.authority != null) { 5668 String names[] = p.info.authority.split(";"); 5669 p.info.authority = null; 5670 for (int j = 0; j < names.length; j++) { 5671 if (j == 1 && p.syncable) { 5672 // We only want the first authority for a provider to possibly be 5673 // syncable, so if we already added this provider using a different 5674 // authority clear the syncable flag. We copy the provider before 5675 // changing it because the mProviders object contains a reference 5676 // to a provider that we don't want to change. 5677 // Only do this for the second authority since the resulting provider 5678 // object can be the same for all future authorities for this provider. 5679 p = new PackageParser.Provider(p); 5680 p.syncable = false; 5681 } 5682 if (!mProvidersByAuthority.containsKey(names[j])) { 5683 mProvidersByAuthority.put(names[j], p); 5684 if (p.info.authority == null) { 5685 p.info.authority = names[j]; 5686 } else { 5687 p.info.authority = p.info.authority + ";" + names[j]; 5688 } 5689 if (DEBUG_PACKAGE_SCANNING) { 5690 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5691 Log.d(TAG, "Registered content provider: " + names[j] 5692 + ", className = " + p.info.name + ", isSyncable = " 5693 + p.info.isSyncable); 5694 } 5695 } else { 5696 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5697 Slog.w(TAG, "Skipping provider name " + names[j] + 5698 " (in package " + pkg.applicationInfo.packageName + 5699 "): name already used by " 5700 + ((other != null && other.getComponentName() != null) 5701 ? other.getComponentName().getPackageName() : "?")); 5702 } 5703 } 5704 } 5705 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5706 if (r == null) { 5707 r = new StringBuilder(256); 5708 } else { 5709 r.append(' '); 5710 } 5711 r.append(p.info.name); 5712 } 5713 } 5714 if (r != null) { 5715 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5716 } 5717 5718 N = pkg.services.size(); 5719 r = null; 5720 for (i=0; i<N; i++) { 5721 PackageParser.Service s = pkg.services.get(i); 5722 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5723 s.info.processName, pkg.applicationInfo.uid); 5724 mServices.addService(s); 5725 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5726 if (r == null) { 5727 r = new StringBuilder(256); 5728 } else { 5729 r.append(' '); 5730 } 5731 r.append(s.info.name); 5732 } 5733 } 5734 if (r != null) { 5735 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5736 } 5737 5738 N = pkg.receivers.size(); 5739 r = null; 5740 for (i=0; i<N; i++) { 5741 PackageParser.Activity a = pkg.receivers.get(i); 5742 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5743 a.info.processName, pkg.applicationInfo.uid); 5744 mReceivers.addActivity(a, "receiver"); 5745 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5746 if (r == null) { 5747 r = new StringBuilder(256); 5748 } else { 5749 r.append(' '); 5750 } 5751 r.append(a.info.name); 5752 } 5753 } 5754 if (r != null) { 5755 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5756 } 5757 5758 N = pkg.activities.size(); 5759 r = null; 5760 for (i=0; i<N; i++) { 5761 PackageParser.Activity a = pkg.activities.get(i); 5762 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5763 a.info.processName, pkg.applicationInfo.uid); 5764 mActivities.addActivity(a, "activity"); 5765 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5766 if (r == null) { 5767 r = new StringBuilder(256); 5768 } else { 5769 r.append(' '); 5770 } 5771 r.append(a.info.name); 5772 } 5773 } 5774 if (r != null) { 5775 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5776 } 5777 5778 N = pkg.permissionGroups.size(); 5779 r = null; 5780 for (i=0; i<N; i++) { 5781 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5782 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5783 if (cur == null) { 5784 mPermissionGroups.put(pg.info.name, pg); 5785 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5786 if (r == null) { 5787 r = new StringBuilder(256); 5788 } else { 5789 r.append(' '); 5790 } 5791 r.append(pg.info.name); 5792 } 5793 } else { 5794 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5795 + pg.info.packageName + " ignored: original from " 5796 + cur.info.packageName); 5797 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5798 if (r == null) { 5799 r = new StringBuilder(256); 5800 } else { 5801 r.append(' '); 5802 } 5803 r.append("DUP:"); 5804 r.append(pg.info.name); 5805 } 5806 } 5807 } 5808 if (r != null) { 5809 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5810 } 5811 5812 N = pkg.permissions.size(); 5813 r = null; 5814 for (i=0; i<N; i++) { 5815 PackageParser.Permission p = pkg.permissions.get(i); 5816 HashMap<String, BasePermission> permissionMap = 5817 p.tree ? mSettings.mPermissionTrees 5818 : mSettings.mPermissions; 5819 p.group = mPermissionGroups.get(p.info.group); 5820 if (p.info.group == null || p.group != null) { 5821 BasePermission bp = permissionMap.get(p.info.name); 5822 if (bp == null) { 5823 bp = new BasePermission(p.info.name, p.info.packageName, 5824 BasePermission.TYPE_NORMAL); 5825 permissionMap.put(p.info.name, bp); 5826 } 5827 if (bp.perm == null) { 5828 if (bp.sourcePackage != null 5829 && !bp.sourcePackage.equals(p.info.packageName)) { 5830 // If this is a permission that was formerly defined by a non-system 5831 // app, but is now defined by a system app (following an upgrade), 5832 // discard the previous declaration and consider the system's to be 5833 // canonical. 5834 if (isSystemApp(p.owner)) { 5835 String msg = "New decl " + p.owner + " of permission " 5836 + p.info.name + " is system"; 5837 reportSettingsProblem(Log.WARN, msg); 5838 bp.sourcePackage = null; 5839 } 5840 } 5841 if (bp.sourcePackage == null 5842 || bp.sourcePackage.equals(p.info.packageName)) { 5843 BasePermission tree = findPermissionTreeLP(p.info.name); 5844 if (tree == null 5845 || tree.sourcePackage.equals(p.info.packageName)) { 5846 bp.packageSetting = pkgSetting; 5847 bp.perm = p; 5848 bp.uid = pkg.applicationInfo.uid; 5849 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5850 if (r == null) { 5851 r = new StringBuilder(256); 5852 } else { 5853 r.append(' '); 5854 } 5855 r.append(p.info.name); 5856 } 5857 } else { 5858 Slog.w(TAG, "Permission " + p.info.name + " from package " 5859 + p.info.packageName + " ignored: base tree " 5860 + tree.name + " is from package " 5861 + tree.sourcePackage); 5862 } 5863 } else { 5864 Slog.w(TAG, "Permission " + p.info.name + " from package " 5865 + p.info.packageName + " ignored: original from " 5866 + bp.sourcePackage); 5867 } 5868 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5869 if (r == null) { 5870 r = new StringBuilder(256); 5871 } else { 5872 r.append(' '); 5873 } 5874 r.append("DUP:"); 5875 r.append(p.info.name); 5876 } 5877 if (bp.perm == p) { 5878 bp.protectionLevel = p.info.protectionLevel; 5879 } 5880 } else { 5881 Slog.w(TAG, "Permission " + p.info.name + " from package " 5882 + p.info.packageName + " ignored: no group " 5883 + p.group); 5884 } 5885 } 5886 if (r != null) { 5887 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5888 } 5889 5890 N = pkg.instrumentation.size(); 5891 r = null; 5892 for (i=0; i<N; i++) { 5893 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5894 a.info.packageName = pkg.applicationInfo.packageName; 5895 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5896 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5897 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5898 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5899 a.info.dataDir = pkg.applicationInfo.dataDir; 5900 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5901 mInstrumentation.put(a.getComponentName(), a); 5902 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5903 if (r == null) { 5904 r = new StringBuilder(256); 5905 } else { 5906 r.append(' '); 5907 } 5908 r.append(a.info.name); 5909 } 5910 } 5911 if (r != null) { 5912 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5913 } 5914 5915 if (pkg.protectedBroadcasts != null) { 5916 N = pkg.protectedBroadcasts.size(); 5917 for (i=0; i<N; i++) { 5918 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5919 } 5920 } 5921 5922 pkgSetting.setTimeStamp(scanFileTime); 5923 5924 // Create idmap files for pairs of (packages, overlay packages). 5925 // Note: "android", ie framework-res.apk, is handled by native layers. 5926 if (pkg.mOverlayTarget != null) { 5927 // This is an overlay package. 5928 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5929 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5930 mOverlays.put(pkg.mOverlayTarget, 5931 new HashMap<String, PackageParser.Package>()); 5932 } 5933 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5934 map.put(pkg.packageName, pkg); 5935 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5936 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5937 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5938 return null; 5939 } 5940 } 5941 } else if (mOverlays.containsKey(pkg.packageName) && 5942 !pkg.packageName.equals("android")) { 5943 // This is a regular package, with one or more known overlay packages. 5944 createIdmapsForPackageLI(pkg); 5945 } 5946 } 5947 5948 return pkg; 5949 } 5950 5951 /** 5952 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5953 * i.e, so that all packages can be run inside a single process if required. 5954 * 5955 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5956 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5957 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5958 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5959 * updating a package that belongs to a shared user. 5960 */ 5961 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5962 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5963 String requiredInstructionSet = null; 5964 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5965 requiredInstructionSet = VMRuntime.getInstructionSet( 5966 scannedPackage.applicationInfo.cpuAbi); 5967 } 5968 5969 PackageSetting requirer = null; 5970 for (PackageSetting ps : packagesForUser) { 5971 // If packagesForUser contains scannedPackage, we skip it. This will happen 5972 // when scannedPackage is an update of an existing package. Without this check, 5973 // we will never be able to change the ABI of any package belonging to a shared 5974 // user, even if it's compatible with other packages. 5975 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 5976 if (ps.cpuAbiString == null) { 5977 continue; 5978 } 5979 5980 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 5981 if (requiredInstructionSet != null) { 5982 if (!instructionSet.equals(requiredInstructionSet)) { 5983 // We have a mismatch between instruction sets (say arm vs arm64). 5984 // bail out. 5985 String errorMessage = "Instruction set mismatch, " 5986 + ((requirer == null) ? "[caller]" : requirer) 5987 + " requires " + requiredInstructionSet + " whereas " + ps 5988 + " requires " + instructionSet; 5989 Slog.e(TAG, errorMessage); 5990 5991 reportSettingsProblem(Log.WARN, errorMessage); 5992 // Give up, don't bother making any other changes to the package settings. 5993 return false; 5994 } 5995 } else { 5996 requiredInstructionSet = instructionSet; 5997 requirer = ps; 5998 } 5999 } 6000 } 6001 6002 if (requiredInstructionSet != null) { 6003 String adjustedAbi; 6004 if (requirer != null) { 6005 // requirer != null implies that either scannedPackage was null or that scannedPackage 6006 // did not require an ABI, in which case we have to adjust scannedPackage to match 6007 // the ABI of the set (which is the same as requirer's ABI) 6008 adjustedAbi = requirer.cpuAbiString; 6009 if (scannedPackage != null) { 6010 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6011 } 6012 } else { 6013 // requirer == null implies that we're updating all ABIs in the set to 6014 // match scannedPackage. 6015 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6016 } 6017 6018 for (PackageSetting ps : packagesForUser) { 6019 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6020 if (ps.cpuAbiString != null) { 6021 continue; 6022 } 6023 6024 ps.cpuAbiString = adjustedAbi; 6025 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6026 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6027 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6028 6029 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6030 ps.cpuAbiString = null; 6031 ps.pkg.applicationInfo.cpuAbi = null; 6032 return false; 6033 } else { 6034 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6035 } 6036 } 6037 } 6038 } 6039 } 6040 6041 return true; 6042 } 6043 6044 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6045 synchronized (mPackages) { 6046 mResolverReplaced = true; 6047 // Set up information for custom user intent resolution activity. 6048 mResolveActivity.applicationInfo = pkg.applicationInfo; 6049 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6050 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6051 mResolveActivity.processName = null; 6052 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6053 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6054 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6055 mResolveActivity.theme = 0; 6056 mResolveActivity.exported = true; 6057 mResolveActivity.enabled = true; 6058 mResolveInfo.activityInfo = mResolveActivity; 6059 mResolveInfo.priority = 0; 6060 mResolveInfo.preferredOrder = 0; 6061 mResolveInfo.match = 0; 6062 mResolveComponentName = mCustomResolverComponentName; 6063 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6064 mResolveComponentName); 6065 } 6066 } 6067 6068 private String calculateApkRoot(final String codePathString) { 6069 final File codePath = new File(codePathString); 6070 final File codeRoot; 6071 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6072 codeRoot = Environment.getRootDirectory(); 6073 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6074 codeRoot = Environment.getOemDirectory(); 6075 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6076 codeRoot = Environment.getVendorDirectory(); 6077 } else { 6078 // Unrecognized code path; take its top real segment as the apk root: 6079 // e.g. /something/app/blah.apk => /something 6080 try { 6081 File f = codePath.getCanonicalFile(); 6082 File parent = f.getParentFile(); // non-null because codePath is a file 6083 File tmp; 6084 while ((tmp = parent.getParentFile()) != null) { 6085 f = parent; 6086 parent = tmp; 6087 } 6088 codeRoot = f; 6089 Slog.w(TAG, "Unrecognized code path " 6090 + codePath + " - using " + codeRoot); 6091 } catch (IOException e) { 6092 // Can't canonicalize the lib path -- shenanigans? 6093 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6094 return Environment.getRootDirectory().getPath(); 6095 } 6096 } 6097 return codeRoot.getPath(); 6098 } 6099 6100 // This is the initial scan-time determination of how to handle a given 6101 // package for purposes of native library location. 6102 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6103 PackageSetting pkgSetting) { 6104 // "bundled" here means system-installed with no overriding update 6105 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6106 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6107 final File libDir; 6108 if (bundledApk) { 6109 // If "/system/lib64/apkname" exists, assume that is the per-package 6110 // native library directory to use; otherwise use "/system/lib/apkname". 6111 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6112 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6113 File packLib64 = new File(lib64, apkName); 6114 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6115 } else { 6116 libDir = mAppLibInstallDir; 6117 } 6118 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6119 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6120 // pkgSetting might be null during rescan following uninstall of updates 6121 // to a bundled app, so accommodate that possibility. The settings in 6122 // that case will be established later from the parsed package. 6123 if (pkgSetting != null) { 6124 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6125 } 6126 } 6127 6128 // Deduces the required ABI of an upgraded system app. 6129 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6130 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6131 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6132 6133 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6134 // or similar. 6135 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6136 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6137 6138 // Assume that the bundled native libraries always correspond to the 6139 // most preferred 32 or 64 bit ABI. 6140 if (lib64.exists()) { 6141 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6142 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6143 } else if (lib.exists()) { 6144 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6145 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6146 } else { 6147 // This is the case where the app has no native code. 6148 pkg.applicationInfo.cpuAbi = null; 6149 pkgSetting.cpuAbiString = null; 6150 } 6151 } 6152 6153 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6154 final File nativeLibraryDir, String[] abiList) throws IOException { 6155 if (!nativeLibraryDir.isDirectory()) { 6156 nativeLibraryDir.delete(); 6157 6158 if (!nativeLibraryDir.mkdir()) { 6159 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6160 } 6161 6162 try { 6163 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6164 } catch (ErrnoException e) { 6165 throw new IOException("Cannot chmod native library directory " 6166 + nativeLibraryDir.getPath(), e); 6167 } 6168 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6169 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6170 } 6171 6172 /* 6173 * If this is an internal application or our nativeLibraryPath points to 6174 * the app-lib directory, unpack the libraries if necessary. 6175 */ 6176 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6177 if (abi >= 0) { 6178 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6179 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6180 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6181 return copyRet; 6182 } 6183 } 6184 6185 return abi; 6186 } 6187 6188 private void killApplication(String pkgName, int appId, String reason) { 6189 // Request the ActivityManager to kill the process(only for existing packages) 6190 // so that we do not end up in a confused state while the user is still using the older 6191 // version of the application while the new one gets installed. 6192 IActivityManager am = ActivityManagerNative.getDefault(); 6193 if (am != null) { 6194 try { 6195 am.killApplicationWithAppId(pkgName, appId, reason); 6196 } catch (RemoteException e) { 6197 } 6198 } 6199 } 6200 6201 void removePackageLI(PackageSetting ps, boolean chatty) { 6202 if (DEBUG_INSTALL) { 6203 if (chatty) 6204 Log.d(TAG, "Removing package " + ps.name); 6205 } 6206 6207 // writer 6208 synchronized (mPackages) { 6209 mPackages.remove(ps.name); 6210 if (ps.codePathString != null) { 6211 mAppDirs.remove(ps.codePathString); 6212 } 6213 6214 final PackageParser.Package pkg = ps.pkg; 6215 if (pkg != null) { 6216 cleanPackageDataStructuresLILPw(pkg, chatty); 6217 } 6218 } 6219 } 6220 6221 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6222 if (DEBUG_INSTALL) { 6223 if (chatty) 6224 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6225 } 6226 6227 // writer 6228 synchronized (mPackages) { 6229 mPackages.remove(pkg.applicationInfo.packageName); 6230 if (pkg.codePath != null) { 6231 mAppDirs.remove(pkg.codePath); 6232 } 6233 cleanPackageDataStructuresLILPw(pkg, chatty); 6234 } 6235 } 6236 6237 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6238 int N = pkg.providers.size(); 6239 StringBuilder r = null; 6240 int i; 6241 for (i=0; i<N; i++) { 6242 PackageParser.Provider p = pkg.providers.get(i); 6243 mProviders.removeProvider(p); 6244 if (p.info.authority == null) { 6245 6246 /* There was another ContentProvider with this authority when 6247 * this app was installed so this authority is null, 6248 * Ignore it as we don't have to unregister the provider. 6249 */ 6250 continue; 6251 } 6252 String names[] = p.info.authority.split(";"); 6253 for (int j = 0; j < names.length; j++) { 6254 if (mProvidersByAuthority.get(names[j]) == p) { 6255 mProvidersByAuthority.remove(names[j]); 6256 if (DEBUG_REMOVE) { 6257 if (chatty) 6258 Log.d(TAG, "Unregistered content provider: " + names[j] 6259 + ", className = " + p.info.name + ", isSyncable = " 6260 + p.info.isSyncable); 6261 } 6262 } 6263 } 6264 if (DEBUG_REMOVE && chatty) { 6265 if (r == null) { 6266 r = new StringBuilder(256); 6267 } else { 6268 r.append(' '); 6269 } 6270 r.append(p.info.name); 6271 } 6272 } 6273 if (r != null) { 6274 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6275 } 6276 6277 N = pkg.services.size(); 6278 r = null; 6279 for (i=0; i<N; i++) { 6280 PackageParser.Service s = pkg.services.get(i); 6281 mServices.removeService(s); 6282 if (chatty) { 6283 if (r == null) { 6284 r = new StringBuilder(256); 6285 } else { 6286 r.append(' '); 6287 } 6288 r.append(s.info.name); 6289 } 6290 } 6291 if (r != null) { 6292 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6293 } 6294 6295 N = pkg.receivers.size(); 6296 r = null; 6297 for (i=0; i<N; i++) { 6298 PackageParser.Activity a = pkg.receivers.get(i); 6299 mReceivers.removeActivity(a, "receiver"); 6300 if (DEBUG_REMOVE && chatty) { 6301 if (r == null) { 6302 r = new StringBuilder(256); 6303 } else { 6304 r.append(' '); 6305 } 6306 r.append(a.info.name); 6307 } 6308 } 6309 if (r != null) { 6310 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6311 } 6312 6313 N = pkg.activities.size(); 6314 r = null; 6315 for (i=0; i<N; i++) { 6316 PackageParser.Activity a = pkg.activities.get(i); 6317 mActivities.removeActivity(a, "activity"); 6318 if (DEBUG_REMOVE && chatty) { 6319 if (r == null) { 6320 r = new StringBuilder(256); 6321 } else { 6322 r.append(' '); 6323 } 6324 r.append(a.info.name); 6325 } 6326 } 6327 if (r != null) { 6328 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6329 } 6330 6331 N = pkg.permissions.size(); 6332 r = null; 6333 for (i=0; i<N; i++) { 6334 PackageParser.Permission p = pkg.permissions.get(i); 6335 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6336 if (bp == null) { 6337 bp = mSettings.mPermissionTrees.get(p.info.name); 6338 } 6339 if (bp != null && bp.perm == p) { 6340 bp.perm = null; 6341 if (DEBUG_REMOVE && chatty) { 6342 if (r == null) { 6343 r = new StringBuilder(256); 6344 } else { 6345 r.append(' '); 6346 } 6347 r.append(p.info.name); 6348 } 6349 } 6350 } 6351 if (r != null) { 6352 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6353 } 6354 6355 N = pkg.instrumentation.size(); 6356 r = null; 6357 for (i=0; i<N; i++) { 6358 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6359 mInstrumentation.remove(a.getComponentName()); 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, " Instrumentation: " + r); 6371 } 6372 6373 r = null; 6374 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6375 // Only system apps can hold shared libraries. 6376 if (pkg.libraryNames != null) { 6377 for (i=0; i<pkg.libraryNames.size(); i++) { 6378 String name = pkg.libraryNames.get(i); 6379 SharedLibraryEntry cur = mSharedLibraries.get(name); 6380 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6381 mSharedLibraries.remove(name); 6382 if (DEBUG_REMOVE && chatty) { 6383 if (r == null) { 6384 r = new StringBuilder(256); 6385 } else { 6386 r.append(' '); 6387 } 6388 r.append(name); 6389 } 6390 } 6391 } 6392 } 6393 } 6394 if (r != null) { 6395 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6396 } 6397 } 6398 6399 private static final boolean isPackageFilename(String name) { 6400 return name != null && name.endsWith(".apk"); 6401 } 6402 6403 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6404 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6405 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6406 return true; 6407 } 6408 } 6409 return false; 6410 } 6411 6412 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6413 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6414 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6415 6416 private void updatePermissionsLPw(String changingPkg, 6417 PackageParser.Package pkgInfo, int flags) { 6418 // Make sure there are no dangling permission trees. 6419 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6420 while (it.hasNext()) { 6421 final BasePermission bp = it.next(); 6422 if (bp.packageSetting == null) { 6423 // We may not yet have parsed the package, so just see if 6424 // we still know about its settings. 6425 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6426 } 6427 if (bp.packageSetting == null) { 6428 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6429 + " from package " + bp.sourcePackage); 6430 it.remove(); 6431 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6432 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6433 Slog.i(TAG, "Removing old permission tree: " + bp.name 6434 + " from package " + bp.sourcePackage); 6435 flags |= UPDATE_PERMISSIONS_ALL; 6436 it.remove(); 6437 } 6438 } 6439 } 6440 6441 // Make sure all dynamic permissions have been assigned to a package, 6442 // and make sure there are no dangling permissions. 6443 it = mSettings.mPermissions.values().iterator(); 6444 while (it.hasNext()) { 6445 final BasePermission bp = it.next(); 6446 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6447 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6448 + bp.name + " pkg=" + bp.sourcePackage 6449 + " info=" + bp.pendingInfo); 6450 if (bp.packageSetting == null && bp.pendingInfo != null) { 6451 final BasePermission tree = findPermissionTreeLP(bp.name); 6452 if (tree != null && tree.perm != null) { 6453 bp.packageSetting = tree.packageSetting; 6454 bp.perm = new PackageParser.Permission(tree.perm.owner, 6455 new PermissionInfo(bp.pendingInfo)); 6456 bp.perm.info.packageName = tree.perm.info.packageName; 6457 bp.perm.info.name = bp.name; 6458 bp.uid = tree.uid; 6459 } 6460 } 6461 } 6462 if (bp.packageSetting == null) { 6463 // We may not yet have parsed the package, so just see if 6464 // we still know about its settings. 6465 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6466 } 6467 if (bp.packageSetting == null) { 6468 Slog.w(TAG, "Removing dangling permission: " + bp.name 6469 + " from package " + bp.sourcePackage); 6470 it.remove(); 6471 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6472 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6473 Slog.i(TAG, "Removing old permission: " + bp.name 6474 + " from package " + bp.sourcePackage); 6475 flags |= UPDATE_PERMISSIONS_ALL; 6476 it.remove(); 6477 } 6478 } 6479 } 6480 6481 // Now update the permissions for all packages, in particular 6482 // replace the granted permissions of the system packages. 6483 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6484 for (PackageParser.Package pkg : mPackages.values()) { 6485 if (pkg != pkgInfo) { 6486 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6487 } 6488 } 6489 } 6490 6491 if (pkgInfo != null) { 6492 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6493 } 6494 } 6495 6496 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6497 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6498 if (ps == null) { 6499 return; 6500 } 6501 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6502 HashSet<String> origPermissions = gp.grantedPermissions; 6503 boolean changedPermission = false; 6504 6505 if (replace) { 6506 ps.permissionsFixed = false; 6507 if (gp == ps) { 6508 origPermissions = new HashSet<String>(gp.grantedPermissions); 6509 gp.grantedPermissions.clear(); 6510 gp.gids = mGlobalGids; 6511 } 6512 } 6513 6514 if (gp.gids == null) { 6515 gp.gids = mGlobalGids; 6516 } 6517 6518 final int N = pkg.requestedPermissions.size(); 6519 for (int i=0; i<N; i++) { 6520 final String name = pkg.requestedPermissions.get(i); 6521 final boolean required = pkg.requestedPermissionsRequired.get(i); 6522 final BasePermission bp = mSettings.mPermissions.get(name); 6523 if (DEBUG_INSTALL) { 6524 if (gp != ps) { 6525 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6526 } 6527 } 6528 6529 if (bp == null || bp.packageSetting == null) { 6530 Slog.w(TAG, "Unknown permission " + name 6531 + " in package " + pkg.packageName); 6532 continue; 6533 } 6534 6535 final String perm = bp.name; 6536 boolean allowed; 6537 boolean allowedSig = false; 6538 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6539 if (level == PermissionInfo.PROTECTION_NORMAL 6540 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6541 // We grant a normal or dangerous permission if any of the following 6542 // are true: 6543 // 1) The permission is required 6544 // 2) The permission is optional, but was granted in the past 6545 // 3) The permission is optional, but was requested by an 6546 // app in /system (not /data) 6547 // 6548 // Otherwise, reject the permission. 6549 allowed = (required || origPermissions.contains(perm) 6550 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6551 } else if (bp.packageSetting == null) { 6552 // This permission is invalid; skip it. 6553 allowed = false; 6554 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6555 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6556 if (allowed) { 6557 allowedSig = true; 6558 } 6559 } else { 6560 allowed = false; 6561 } 6562 if (DEBUG_INSTALL) { 6563 if (gp != ps) { 6564 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6565 } 6566 } 6567 if (allowed) { 6568 if (!isSystemApp(ps) && ps.permissionsFixed) { 6569 // If this is an existing, non-system package, then 6570 // we can't add any new permissions to it. 6571 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6572 // Except... if this is a permission that was added 6573 // to the platform (note: need to only do this when 6574 // updating the platform). 6575 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6576 } 6577 } 6578 if (allowed) { 6579 if (!gp.grantedPermissions.contains(perm)) { 6580 changedPermission = true; 6581 gp.grantedPermissions.add(perm); 6582 gp.gids = appendInts(gp.gids, bp.gids); 6583 } else if (!ps.haveGids) { 6584 gp.gids = appendInts(gp.gids, bp.gids); 6585 } 6586 } else { 6587 Slog.w(TAG, "Not granting permission " + perm 6588 + " to package " + pkg.packageName 6589 + " because it was previously installed without"); 6590 } 6591 } else { 6592 if (gp.grantedPermissions.remove(perm)) { 6593 changedPermission = true; 6594 gp.gids = removeInts(gp.gids, bp.gids); 6595 Slog.i(TAG, "Un-granting permission " + perm 6596 + " from package " + pkg.packageName 6597 + " (protectionLevel=" + bp.protectionLevel 6598 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6599 + ")"); 6600 } else { 6601 Slog.w(TAG, "Not granting permission " + perm 6602 + " to package " + pkg.packageName 6603 + " (protectionLevel=" + bp.protectionLevel 6604 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6605 + ")"); 6606 } 6607 } 6608 } 6609 6610 if ((changedPermission || replace) && !ps.permissionsFixed && 6611 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6612 // This is the first that we have heard about this package, so the 6613 // permissions we have now selected are fixed until explicitly 6614 // changed. 6615 ps.permissionsFixed = true; 6616 } 6617 ps.haveGids = true; 6618 } 6619 6620 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6621 boolean allowed = false; 6622 final int NP = PackageParser.NEW_PERMISSIONS.length; 6623 for (int ip=0; ip<NP; ip++) { 6624 final PackageParser.NewPermissionInfo npi 6625 = PackageParser.NEW_PERMISSIONS[ip]; 6626 if (npi.name.equals(perm) 6627 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6628 allowed = true; 6629 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6630 + pkg.packageName); 6631 break; 6632 } 6633 } 6634 return allowed; 6635 } 6636 6637 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6638 BasePermission bp, HashSet<String> origPermissions) { 6639 boolean allowed; 6640 allowed = (compareSignatures( 6641 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6642 == PackageManager.SIGNATURE_MATCH) 6643 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6644 == PackageManager.SIGNATURE_MATCH); 6645 if (!allowed && (bp.protectionLevel 6646 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6647 if (isSystemApp(pkg)) { 6648 // For updated system applications, a system permission 6649 // is granted only if it had been defined by the original application. 6650 if (isUpdatedSystemApp(pkg)) { 6651 final PackageSetting sysPs = mSettings 6652 .getDisabledSystemPkgLPr(pkg.packageName); 6653 final GrantedPermissions origGp = sysPs.sharedUser != null 6654 ? sysPs.sharedUser : sysPs; 6655 6656 if (origGp.grantedPermissions.contains(perm)) { 6657 // If the original was granted this permission, we take 6658 // that grant decision as read and propagate it to the 6659 // update. 6660 allowed = true; 6661 } else { 6662 // The system apk may have been updated with an older 6663 // version of the one on the data partition, but which 6664 // granted a new system permission that it didn't have 6665 // before. In this case we do want to allow the app to 6666 // now get the new permission if the ancestral apk is 6667 // privileged to get it. 6668 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6669 for (int j=0; 6670 j<sysPs.pkg.requestedPermissions.size(); j++) { 6671 if (perm.equals( 6672 sysPs.pkg.requestedPermissions.get(j))) { 6673 allowed = true; 6674 break; 6675 } 6676 } 6677 } 6678 } 6679 } else { 6680 allowed = isPrivilegedApp(pkg); 6681 } 6682 } 6683 } 6684 if (!allowed && (bp.protectionLevel 6685 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6686 // For development permissions, a development permission 6687 // is granted only if it was already granted. 6688 allowed = origPermissions.contains(perm); 6689 } 6690 return allowed; 6691 } 6692 6693 final class ActivityIntentResolver 6694 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6695 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6696 boolean defaultOnly, int userId) { 6697 if (!sUserManager.exists(userId)) return null; 6698 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6699 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6700 } 6701 6702 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6703 int userId) { 6704 if (!sUserManager.exists(userId)) return null; 6705 mFlags = flags; 6706 return super.queryIntent(intent, resolvedType, 6707 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6708 } 6709 6710 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6711 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6712 if (!sUserManager.exists(userId)) return null; 6713 if (packageActivities == null) { 6714 return null; 6715 } 6716 mFlags = flags; 6717 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6718 final int N = packageActivities.size(); 6719 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6720 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6721 6722 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6723 for (int i = 0; i < N; ++i) { 6724 intentFilters = packageActivities.get(i).intents; 6725 if (intentFilters != null && intentFilters.size() > 0) { 6726 PackageParser.ActivityIntentInfo[] array = 6727 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6728 intentFilters.toArray(array); 6729 listCut.add(array); 6730 } 6731 } 6732 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6733 } 6734 6735 public final void addActivity(PackageParser.Activity a, String type) { 6736 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6737 mActivities.put(a.getComponentName(), a); 6738 if (DEBUG_SHOW_INFO) 6739 Log.v( 6740 TAG, " " + type + " " + 6741 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6742 if (DEBUG_SHOW_INFO) 6743 Log.v(TAG, " Class=" + a.info.name); 6744 final int NI = a.intents.size(); 6745 for (int j=0; j<NI; j++) { 6746 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6747 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6748 intent.setPriority(0); 6749 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6750 + a.className + " with priority > 0, forcing to 0"); 6751 } 6752 if (DEBUG_SHOW_INFO) { 6753 Log.v(TAG, " IntentFilter:"); 6754 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6755 } 6756 if (!intent.debugCheck()) { 6757 Log.w(TAG, "==> For Activity " + a.info.name); 6758 } 6759 addFilter(intent); 6760 } 6761 } 6762 6763 public final void removeActivity(PackageParser.Activity a, String type) { 6764 mActivities.remove(a.getComponentName()); 6765 if (DEBUG_SHOW_INFO) { 6766 Log.v(TAG, " " + type + " " 6767 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6768 : a.info.name) + ":"); 6769 Log.v(TAG, " Class=" + a.info.name); 6770 } 6771 final int NI = a.intents.size(); 6772 for (int j=0; j<NI; j++) { 6773 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6774 if (DEBUG_SHOW_INFO) { 6775 Log.v(TAG, " IntentFilter:"); 6776 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6777 } 6778 removeFilter(intent); 6779 } 6780 } 6781 6782 @Override 6783 protected boolean allowFilterResult( 6784 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6785 ActivityInfo filterAi = filter.activity.info; 6786 for (int i=dest.size()-1; i>=0; i--) { 6787 ActivityInfo destAi = dest.get(i).activityInfo; 6788 if (destAi.name == filterAi.name 6789 && destAi.packageName == filterAi.packageName) { 6790 return false; 6791 } 6792 } 6793 return true; 6794 } 6795 6796 @Override 6797 protected ActivityIntentInfo[] newArray(int size) { 6798 return new ActivityIntentInfo[size]; 6799 } 6800 6801 @Override 6802 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6803 if (!sUserManager.exists(userId)) return true; 6804 PackageParser.Package p = filter.activity.owner; 6805 if (p != null) { 6806 PackageSetting ps = (PackageSetting)p.mExtras; 6807 if (ps != null) { 6808 // System apps are never considered stopped for purposes of 6809 // filtering, because there may be no way for the user to 6810 // actually re-launch them. 6811 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6812 && ps.getStopped(userId); 6813 } 6814 } 6815 return false; 6816 } 6817 6818 @Override 6819 protected boolean isPackageForFilter(String packageName, 6820 PackageParser.ActivityIntentInfo info) { 6821 return packageName.equals(info.activity.owner.packageName); 6822 } 6823 6824 @Override 6825 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6826 int match, int userId) { 6827 if (!sUserManager.exists(userId)) return null; 6828 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6829 return null; 6830 } 6831 final PackageParser.Activity activity = info.activity; 6832 if (mSafeMode && (activity.info.applicationInfo.flags 6833 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6834 return null; 6835 } 6836 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6837 if (ps == null) { 6838 return null; 6839 } 6840 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6841 ps.readUserState(userId), userId); 6842 if (ai == null) { 6843 return null; 6844 } 6845 final ResolveInfo res = new ResolveInfo(); 6846 res.activityInfo = ai; 6847 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6848 res.filter = info; 6849 } 6850 res.priority = info.getPriority(); 6851 res.preferredOrder = activity.owner.mPreferredOrder; 6852 //System.out.println("Result: " + res.activityInfo.className + 6853 // " = " + res.priority); 6854 res.match = match; 6855 res.isDefault = info.hasDefault; 6856 res.labelRes = info.labelRes; 6857 res.nonLocalizedLabel = info.nonLocalizedLabel; 6858 if (userNeedsBadging(userId)) { 6859 res.noResourceId = true; 6860 } else { 6861 res.icon = info.icon; 6862 } 6863 res.system = isSystemApp(res.activityInfo.applicationInfo); 6864 return res; 6865 } 6866 6867 @Override 6868 protected void sortResults(List<ResolveInfo> results) { 6869 Collections.sort(results, mResolvePrioritySorter); 6870 } 6871 6872 @Override 6873 protected void dumpFilter(PrintWriter out, String prefix, 6874 PackageParser.ActivityIntentInfo filter) { 6875 out.print(prefix); out.print( 6876 Integer.toHexString(System.identityHashCode(filter.activity))); 6877 out.print(' '); 6878 filter.activity.printComponentShortName(out); 6879 out.print(" filter "); 6880 out.println(Integer.toHexString(System.identityHashCode(filter))); 6881 } 6882 6883// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6884// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6885// final List<ResolveInfo> retList = Lists.newArrayList(); 6886// while (i.hasNext()) { 6887// final ResolveInfo resolveInfo = i.next(); 6888// if (isEnabledLP(resolveInfo.activityInfo)) { 6889// retList.add(resolveInfo); 6890// } 6891// } 6892// return retList; 6893// } 6894 6895 // Keys are String (activity class name), values are Activity. 6896 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6897 = new HashMap<ComponentName, PackageParser.Activity>(); 6898 private int mFlags; 6899 } 6900 6901 private final class ServiceIntentResolver 6902 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6903 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6904 boolean defaultOnly, int userId) { 6905 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6906 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6907 } 6908 6909 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6910 int userId) { 6911 if (!sUserManager.exists(userId)) return null; 6912 mFlags = flags; 6913 return super.queryIntent(intent, resolvedType, 6914 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6915 } 6916 6917 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6918 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6919 if (!sUserManager.exists(userId)) return null; 6920 if (packageServices == null) { 6921 return null; 6922 } 6923 mFlags = flags; 6924 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6925 final int N = packageServices.size(); 6926 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6927 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6928 6929 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6930 for (int i = 0; i < N; ++i) { 6931 intentFilters = packageServices.get(i).intents; 6932 if (intentFilters != null && intentFilters.size() > 0) { 6933 PackageParser.ServiceIntentInfo[] array = 6934 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6935 intentFilters.toArray(array); 6936 listCut.add(array); 6937 } 6938 } 6939 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6940 } 6941 6942 public final void addService(PackageParser.Service s) { 6943 mServices.put(s.getComponentName(), s); 6944 if (DEBUG_SHOW_INFO) { 6945 Log.v(TAG, " " 6946 + (s.info.nonLocalizedLabel != null 6947 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6948 Log.v(TAG, " Class=" + s.info.name); 6949 } 6950 final int NI = s.intents.size(); 6951 int j; 6952 for (j=0; j<NI; j++) { 6953 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6954 if (DEBUG_SHOW_INFO) { 6955 Log.v(TAG, " IntentFilter:"); 6956 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6957 } 6958 if (!intent.debugCheck()) { 6959 Log.w(TAG, "==> For Service " + s.info.name); 6960 } 6961 addFilter(intent); 6962 } 6963 } 6964 6965 public final void removeService(PackageParser.Service s) { 6966 mServices.remove(s.getComponentName()); 6967 if (DEBUG_SHOW_INFO) { 6968 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6969 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6970 Log.v(TAG, " Class=" + s.info.name); 6971 } 6972 final int NI = s.intents.size(); 6973 int j; 6974 for (j=0; j<NI; j++) { 6975 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6976 if (DEBUG_SHOW_INFO) { 6977 Log.v(TAG, " IntentFilter:"); 6978 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6979 } 6980 removeFilter(intent); 6981 } 6982 } 6983 6984 @Override 6985 protected boolean allowFilterResult( 6986 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6987 ServiceInfo filterSi = filter.service.info; 6988 for (int i=dest.size()-1; i>=0; i--) { 6989 ServiceInfo destAi = dest.get(i).serviceInfo; 6990 if (destAi.name == filterSi.name 6991 && destAi.packageName == filterSi.packageName) { 6992 return false; 6993 } 6994 } 6995 return true; 6996 } 6997 6998 @Override 6999 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7000 return new PackageParser.ServiceIntentInfo[size]; 7001 } 7002 7003 @Override 7004 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7005 if (!sUserManager.exists(userId)) return true; 7006 PackageParser.Package p = filter.service.owner; 7007 if (p != null) { 7008 PackageSetting ps = (PackageSetting)p.mExtras; 7009 if (ps != null) { 7010 // System apps are never considered stopped for purposes of 7011 // filtering, because there may be no way for the user to 7012 // actually re-launch them. 7013 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7014 && ps.getStopped(userId); 7015 } 7016 } 7017 return false; 7018 } 7019 7020 @Override 7021 protected boolean isPackageForFilter(String packageName, 7022 PackageParser.ServiceIntentInfo info) { 7023 return packageName.equals(info.service.owner.packageName); 7024 } 7025 7026 @Override 7027 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7028 int match, int userId) { 7029 if (!sUserManager.exists(userId)) return null; 7030 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7031 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7032 return null; 7033 } 7034 final PackageParser.Service service = info.service; 7035 if (mSafeMode && (service.info.applicationInfo.flags 7036 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7037 return null; 7038 } 7039 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7040 if (ps == null) { 7041 return null; 7042 } 7043 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7044 ps.readUserState(userId), userId); 7045 if (si == null) { 7046 return null; 7047 } 7048 final ResolveInfo res = new ResolveInfo(); 7049 res.serviceInfo = si; 7050 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7051 res.filter = filter; 7052 } 7053 res.priority = info.getPriority(); 7054 res.preferredOrder = service.owner.mPreferredOrder; 7055 //System.out.println("Result: " + res.activityInfo.className + 7056 // " = " + res.priority); 7057 res.match = match; 7058 res.isDefault = info.hasDefault; 7059 res.labelRes = info.labelRes; 7060 res.nonLocalizedLabel = info.nonLocalizedLabel; 7061 res.icon = info.icon; 7062 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7063 return res; 7064 } 7065 7066 @Override 7067 protected void sortResults(List<ResolveInfo> results) { 7068 Collections.sort(results, mResolvePrioritySorter); 7069 } 7070 7071 @Override 7072 protected void dumpFilter(PrintWriter out, String prefix, 7073 PackageParser.ServiceIntentInfo filter) { 7074 out.print(prefix); out.print( 7075 Integer.toHexString(System.identityHashCode(filter.service))); 7076 out.print(' '); 7077 filter.service.printComponentShortName(out); 7078 out.print(" filter "); 7079 out.println(Integer.toHexString(System.identityHashCode(filter))); 7080 } 7081 7082// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7083// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7084// final List<ResolveInfo> retList = Lists.newArrayList(); 7085// while (i.hasNext()) { 7086// final ResolveInfo resolveInfo = (ResolveInfo) i; 7087// if (isEnabledLP(resolveInfo.serviceInfo)) { 7088// retList.add(resolveInfo); 7089// } 7090// } 7091// return retList; 7092// } 7093 7094 // Keys are String (activity class name), values are Activity. 7095 private final HashMap<ComponentName, PackageParser.Service> mServices 7096 = new HashMap<ComponentName, PackageParser.Service>(); 7097 private int mFlags; 7098 }; 7099 7100 private final class ProviderIntentResolver 7101 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7102 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7103 boolean defaultOnly, int userId) { 7104 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7105 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7106 } 7107 7108 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7109 int userId) { 7110 if (!sUserManager.exists(userId)) 7111 return null; 7112 mFlags = flags; 7113 return super.queryIntent(intent, resolvedType, 7114 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7115 } 7116 7117 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7118 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7119 if (!sUserManager.exists(userId)) 7120 return null; 7121 if (packageProviders == null) { 7122 return null; 7123 } 7124 mFlags = flags; 7125 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7126 final int N = packageProviders.size(); 7127 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7128 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7129 7130 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7131 for (int i = 0; i < N; ++i) { 7132 intentFilters = packageProviders.get(i).intents; 7133 if (intentFilters != null && intentFilters.size() > 0) { 7134 PackageParser.ProviderIntentInfo[] array = 7135 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7136 intentFilters.toArray(array); 7137 listCut.add(array); 7138 } 7139 } 7140 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7141 } 7142 7143 public final void addProvider(PackageParser.Provider p) { 7144 if (mProviders.containsKey(p.getComponentName())) { 7145 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7146 return; 7147 } 7148 7149 mProviders.put(p.getComponentName(), p); 7150 if (DEBUG_SHOW_INFO) { 7151 Log.v(TAG, " " 7152 + (p.info.nonLocalizedLabel != null 7153 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7154 Log.v(TAG, " Class=" + p.info.name); 7155 } 7156 final int NI = p.intents.size(); 7157 int j; 7158 for (j = 0; j < NI; j++) { 7159 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7160 if (DEBUG_SHOW_INFO) { 7161 Log.v(TAG, " IntentFilter:"); 7162 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7163 } 7164 if (!intent.debugCheck()) { 7165 Log.w(TAG, "==> For Provider " + p.info.name); 7166 } 7167 addFilter(intent); 7168 } 7169 } 7170 7171 public final void removeProvider(PackageParser.Provider p) { 7172 mProviders.remove(p.getComponentName()); 7173 if (DEBUG_SHOW_INFO) { 7174 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7175 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7176 Log.v(TAG, " Class=" + p.info.name); 7177 } 7178 final int NI = p.intents.size(); 7179 int j; 7180 for (j = 0; j < NI; j++) { 7181 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7182 if (DEBUG_SHOW_INFO) { 7183 Log.v(TAG, " IntentFilter:"); 7184 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7185 } 7186 removeFilter(intent); 7187 } 7188 } 7189 7190 @Override 7191 protected boolean allowFilterResult( 7192 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7193 ProviderInfo filterPi = filter.provider.info; 7194 for (int i = dest.size() - 1; i >= 0; i--) { 7195 ProviderInfo destPi = dest.get(i).providerInfo; 7196 if (destPi.name == filterPi.name 7197 && destPi.packageName == filterPi.packageName) { 7198 return false; 7199 } 7200 } 7201 return true; 7202 } 7203 7204 @Override 7205 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7206 return new PackageParser.ProviderIntentInfo[size]; 7207 } 7208 7209 @Override 7210 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7211 if (!sUserManager.exists(userId)) 7212 return true; 7213 PackageParser.Package p = filter.provider.owner; 7214 if (p != null) { 7215 PackageSetting ps = (PackageSetting) p.mExtras; 7216 if (ps != null) { 7217 // System apps are never considered stopped for purposes of 7218 // filtering, because there may be no way for the user to 7219 // actually re-launch them. 7220 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7221 && ps.getStopped(userId); 7222 } 7223 } 7224 return false; 7225 } 7226 7227 @Override 7228 protected boolean isPackageForFilter(String packageName, 7229 PackageParser.ProviderIntentInfo info) { 7230 return packageName.equals(info.provider.owner.packageName); 7231 } 7232 7233 @Override 7234 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7235 int match, int userId) { 7236 if (!sUserManager.exists(userId)) 7237 return null; 7238 final PackageParser.ProviderIntentInfo info = filter; 7239 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7240 return null; 7241 } 7242 final PackageParser.Provider provider = info.provider; 7243 if (mSafeMode && (provider.info.applicationInfo.flags 7244 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7245 return null; 7246 } 7247 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7248 if (ps == null) { 7249 return null; 7250 } 7251 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7252 ps.readUserState(userId), userId); 7253 if (pi == null) { 7254 return null; 7255 } 7256 final ResolveInfo res = new ResolveInfo(); 7257 res.providerInfo = pi; 7258 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7259 res.filter = filter; 7260 } 7261 res.priority = info.getPriority(); 7262 res.preferredOrder = provider.owner.mPreferredOrder; 7263 res.match = match; 7264 res.isDefault = info.hasDefault; 7265 res.labelRes = info.labelRes; 7266 res.nonLocalizedLabel = info.nonLocalizedLabel; 7267 res.icon = info.icon; 7268 res.system = isSystemApp(res.providerInfo.applicationInfo); 7269 return res; 7270 } 7271 7272 @Override 7273 protected void sortResults(List<ResolveInfo> results) { 7274 Collections.sort(results, mResolvePrioritySorter); 7275 } 7276 7277 @Override 7278 protected void dumpFilter(PrintWriter out, String prefix, 7279 PackageParser.ProviderIntentInfo filter) { 7280 out.print(prefix); 7281 out.print( 7282 Integer.toHexString(System.identityHashCode(filter.provider))); 7283 out.print(' '); 7284 filter.provider.printComponentShortName(out); 7285 out.print(" filter "); 7286 out.println(Integer.toHexString(System.identityHashCode(filter))); 7287 } 7288 7289 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7290 = new HashMap<ComponentName, PackageParser.Provider>(); 7291 private int mFlags; 7292 }; 7293 7294 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7295 new Comparator<ResolveInfo>() { 7296 public int compare(ResolveInfo r1, ResolveInfo r2) { 7297 int v1 = r1.priority; 7298 int v2 = r2.priority; 7299 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7300 if (v1 != v2) { 7301 return (v1 > v2) ? -1 : 1; 7302 } 7303 v1 = r1.preferredOrder; 7304 v2 = r2.preferredOrder; 7305 if (v1 != v2) { 7306 return (v1 > v2) ? -1 : 1; 7307 } 7308 if (r1.isDefault != r2.isDefault) { 7309 return r1.isDefault ? -1 : 1; 7310 } 7311 v1 = r1.match; 7312 v2 = r2.match; 7313 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7314 if (v1 != v2) { 7315 return (v1 > v2) ? -1 : 1; 7316 } 7317 if (r1.system != r2.system) { 7318 return r1.system ? -1 : 1; 7319 } 7320 return 0; 7321 } 7322 }; 7323 7324 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7325 new Comparator<ProviderInfo>() { 7326 public int compare(ProviderInfo p1, ProviderInfo p2) { 7327 final int v1 = p1.initOrder; 7328 final int v2 = p2.initOrder; 7329 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7330 } 7331 }; 7332 7333 static final void sendPackageBroadcast(String action, String pkg, 7334 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7335 int[] userIds) { 7336 IActivityManager am = ActivityManagerNative.getDefault(); 7337 if (am != null) { 7338 try { 7339 if (userIds == null) { 7340 userIds = am.getRunningUserIds(); 7341 } 7342 for (int id : userIds) { 7343 final Intent intent = new Intent(action, 7344 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7345 if (extras != null) { 7346 intent.putExtras(extras); 7347 } 7348 if (targetPkg != null) { 7349 intent.setPackage(targetPkg); 7350 } 7351 // Modify the UID when posting to other users 7352 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7353 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7354 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7355 intent.putExtra(Intent.EXTRA_UID, uid); 7356 } 7357 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7358 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7359 if (DEBUG_BROADCASTS) { 7360 RuntimeException here = new RuntimeException("here"); 7361 here.fillInStackTrace(); 7362 Slog.d(TAG, "Sending to user " + id + ": " 7363 + intent.toShortString(false, true, false, false) 7364 + " " + intent.getExtras(), here); 7365 } 7366 am.broadcastIntent(null, intent, null, finishedReceiver, 7367 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7368 finishedReceiver != null, false, id); 7369 } 7370 } catch (RemoteException ex) { 7371 } 7372 } 7373 } 7374 7375 /** 7376 * Check if the external storage media is available. This is true if there 7377 * is a mounted external storage medium or if the external storage is 7378 * emulated. 7379 */ 7380 private boolean isExternalMediaAvailable() { 7381 return mMediaMounted || Environment.isExternalStorageEmulated(); 7382 } 7383 7384 @Override 7385 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7386 // writer 7387 synchronized (mPackages) { 7388 if (!isExternalMediaAvailable()) { 7389 // If the external storage is no longer mounted at this point, 7390 // the caller may not have been able to delete all of this 7391 // packages files and can not delete any more. Bail. 7392 return null; 7393 } 7394 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7395 if (lastPackage != null) { 7396 pkgs.remove(lastPackage); 7397 } 7398 if (pkgs.size() > 0) { 7399 return pkgs.get(0); 7400 } 7401 } 7402 return null; 7403 } 7404 7405 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7406 if (false) { 7407 RuntimeException here = new RuntimeException("here"); 7408 here.fillInStackTrace(); 7409 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7410 + " andCode=" + andCode, here); 7411 } 7412 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7413 userId, andCode ? 1 : 0, packageName)); 7414 } 7415 7416 void startCleaningPackages() { 7417 // reader 7418 synchronized (mPackages) { 7419 if (!isExternalMediaAvailable()) { 7420 return; 7421 } 7422 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7423 return; 7424 } 7425 } 7426 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7427 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7428 IActivityManager am = ActivityManagerNative.getDefault(); 7429 if (am != null) { 7430 try { 7431 am.startService(null, intent, null, UserHandle.USER_OWNER); 7432 } catch (RemoteException e) { 7433 } 7434 } 7435 } 7436 7437 private final class AppDirObserver extends FileObserver { 7438 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7439 super(path, mask); 7440 mRootDir = path; 7441 mIsRom = isrom; 7442 mIsPrivileged = isPrivileged; 7443 } 7444 7445 public void onEvent(int event, String path) { 7446 String removedPackage = null; 7447 int removedAppId = -1; 7448 int[] removedUsers = null; 7449 String addedPackage = null; 7450 int addedAppId = -1; 7451 int[] addedUsers = null; 7452 7453 // TODO post a message to the handler to obtain serial ordering 7454 synchronized (mInstallLock) { 7455 String fullPathStr = null; 7456 File fullPath = null; 7457 if (path != null) { 7458 fullPath = new File(mRootDir, path); 7459 fullPathStr = fullPath.getPath(); 7460 } 7461 7462 if (DEBUG_APP_DIR_OBSERVER) 7463 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7464 7465 if (!isPackageFilename(path)) { 7466 if (DEBUG_APP_DIR_OBSERVER) 7467 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7468 return; 7469 } 7470 7471 // Ignore packages that are being installed or 7472 // have just been installed. 7473 if (ignoreCodePath(fullPathStr)) { 7474 return; 7475 } 7476 PackageParser.Package p = null; 7477 PackageSetting ps = null; 7478 // reader 7479 synchronized (mPackages) { 7480 p = mAppDirs.get(fullPathStr); 7481 if (p != null) { 7482 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7483 if (ps != null) { 7484 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7485 } else { 7486 removedUsers = sUserManager.getUserIds(); 7487 } 7488 } 7489 addedUsers = sUserManager.getUserIds(); 7490 } 7491 if ((event&REMOVE_EVENTS) != 0) { 7492 if (ps != null) { 7493 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7494 removePackageLI(ps, true); 7495 removedPackage = ps.name; 7496 removedAppId = ps.appId; 7497 } 7498 } 7499 7500 if ((event&ADD_EVENTS) != 0) { 7501 if (p == null) { 7502 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7503 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7504 if (mIsRom) { 7505 flags |= PackageParser.PARSE_IS_SYSTEM 7506 | PackageParser.PARSE_IS_SYSTEM_DIR; 7507 if (mIsPrivileged) { 7508 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7509 } 7510 } 7511 p = scanPackageLI(fullPath, flags, 7512 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7513 System.currentTimeMillis(), UserHandle.ALL, null); 7514 if (p != null) { 7515 /* 7516 * TODO this seems dangerous as the package may have 7517 * changed since we last acquired the mPackages 7518 * lock. 7519 */ 7520 // writer 7521 synchronized (mPackages) { 7522 updatePermissionsLPw(p.packageName, p, 7523 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7524 } 7525 addedPackage = p.applicationInfo.packageName; 7526 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7527 } 7528 } 7529 } 7530 7531 // reader 7532 synchronized (mPackages) { 7533 mSettings.writeLPr(); 7534 } 7535 } 7536 7537 if (removedPackage != null) { 7538 Bundle extras = new Bundle(1); 7539 extras.putInt(Intent.EXTRA_UID, removedAppId); 7540 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7541 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7542 extras, null, null, removedUsers); 7543 } 7544 if (addedPackage != null) { 7545 Bundle extras = new Bundle(1); 7546 extras.putInt(Intent.EXTRA_UID, addedAppId); 7547 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7548 extras, null, null, addedUsers); 7549 } 7550 } 7551 7552 private final String mRootDir; 7553 private final boolean mIsRom; 7554 private final boolean mIsPrivileged; 7555 } 7556 7557 /* 7558 * The old-style observer methods all just trampoline to the newer signature with 7559 * expanded install observer API. The older API continues to work but does not 7560 * supply the additional details of the Observer2 API. 7561 */ 7562 7563 /* Called when a downloaded package installation has been confirmed by the user */ 7564 public void installPackage( 7565 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7566 installPackageEtc(packageURI, observer, null, flags, null); 7567 } 7568 7569 /* Called when a downloaded package installation has been confirmed by the user */ 7570 @Override 7571 public void installPackage( 7572 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7573 final String installerPackageName) { 7574 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7575 installerPackageName, null, null, null); 7576 } 7577 7578 @Override 7579 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7580 int flags, String installerPackageName, Uri verificationURI, 7581 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7582 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7583 VerificationParams.NO_UID, manifestDigest); 7584 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7585 installerPackageName, verificationParams, encryptionParams); 7586 } 7587 7588 @Override 7589 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7590 IPackageInstallObserver observer, int flags, String installerPackageName, 7591 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7592 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7593 installerPackageName, verificationParams, encryptionParams); 7594 } 7595 7596 /* 7597 * And here are the "live" versions that take both observer arguments 7598 */ 7599 public void installPackageEtc( 7600 final Uri packageURI, final IPackageInstallObserver observer, 7601 IPackageInstallObserver2 observer2, final int flags) { 7602 installPackageEtc(packageURI, observer, observer2, flags, null); 7603 } 7604 7605 public void installPackageEtc( 7606 final Uri packageURI, final IPackageInstallObserver observer, 7607 final IPackageInstallObserver2 observer2, final int flags, 7608 final String installerPackageName) { 7609 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7610 installerPackageName, null, null, null); 7611 } 7612 7613 @Override 7614 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7615 IPackageInstallObserver2 observer2, 7616 int flags, String installerPackageName, Uri verificationURI, 7617 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7618 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7619 VerificationParams.NO_UID, manifestDigest); 7620 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7621 installerPackageName, verificationParams, encryptionParams); 7622 } 7623 7624 /* 7625 * All of the installPackage...*() methods redirect to this one for the master implementation 7626 */ 7627 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7628 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7629 int flags, String installerPackageName, 7630 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7631 if (observer == null && observer2 == null) { 7632 throw new IllegalArgumentException("No install observer supplied"); 7633 } 7634 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7635 flags, installerPackageName, verificationParams, encryptionParams, null); 7636 } 7637 7638 @Override 7639 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7640 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7641 int flags, String installerPackageName, 7642 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7643 String packageAbiOverride) { 7644 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7645 null); 7646 7647 final int uid = Binder.getCallingUid(); 7648 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7649 try { 7650 if (observer != null) { 7651 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7652 } 7653 if (observer2 != null) { 7654 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7655 } 7656 } catch (RemoteException re) { 7657 } 7658 return; 7659 } 7660 7661 UserHandle user; 7662 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7663 user = UserHandle.ALL; 7664 } else { 7665 user = new UserHandle(UserHandle.getUserId(uid)); 7666 } 7667 7668 final int filteredFlags; 7669 7670 if (uid == Process.SHELL_UID || uid == 0) { 7671 if (DEBUG_INSTALL) { 7672 Slog.v(TAG, "Install from ADB"); 7673 } 7674 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7675 } else { 7676 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7677 } 7678 7679 verificationParams.setInstallerUid(uid); 7680 7681 final Message msg = mHandler.obtainMessage(INIT_COPY); 7682 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7683 installerPackageName, verificationParams, encryptionParams, user, 7684 packageAbiOverride); 7685 mHandler.sendMessage(msg); 7686 } 7687 7688 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7689 Bundle extras = new Bundle(1); 7690 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7691 7692 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7693 packageName, extras, null, null, new int[] {userId}); 7694 try { 7695 IActivityManager am = ActivityManagerNative.getDefault(); 7696 final boolean isSystem = 7697 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7698 if (isSystem && am.isUserRunning(userId, false)) { 7699 // The just-installed/enabled app is bundled on the system, so presumed 7700 // to be able to run automatically without needing an explicit launch. 7701 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7702 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7703 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7704 .setPackage(packageName); 7705 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7706 android.app.AppOpsManager.OP_NONE, false, false, userId); 7707 } 7708 } catch (RemoteException e) { 7709 // shouldn't happen 7710 Slog.w(TAG, "Unable to bootstrap installed package", e); 7711 } 7712 } 7713 7714 @Override 7715 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7716 int userId) { 7717 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7718 PackageSetting pkgSetting; 7719 final int uid = Binder.getCallingUid(); 7720 if (UserHandle.getUserId(uid) != userId) { 7721 mContext.enforceCallingOrSelfPermission( 7722 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7723 "setApplicationBlockedSetting for user " + userId); 7724 } 7725 7726 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7727 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7728 return false; 7729 } 7730 7731 long callingId = Binder.clearCallingIdentity(); 7732 try { 7733 boolean sendAdded = false; 7734 boolean sendRemoved = false; 7735 // writer 7736 synchronized (mPackages) { 7737 pkgSetting = mSettings.mPackages.get(packageName); 7738 if (pkgSetting == null) { 7739 return false; 7740 } 7741 if (pkgSetting.getBlocked(userId) != blocked) { 7742 pkgSetting.setBlocked(blocked, userId); 7743 mSettings.writePackageRestrictionsLPr(userId); 7744 if (blocked) { 7745 sendRemoved = true; 7746 } else { 7747 sendAdded = true; 7748 } 7749 } 7750 } 7751 if (sendAdded) { 7752 sendPackageAddedForUser(packageName, pkgSetting, userId); 7753 return true; 7754 } 7755 if (sendRemoved) { 7756 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7757 "blocking pkg"); 7758 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7759 } 7760 } finally { 7761 Binder.restoreCallingIdentity(callingId); 7762 } 7763 return false; 7764 } 7765 7766 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7767 int userId) { 7768 final PackageRemovedInfo info = new PackageRemovedInfo(); 7769 info.removedPackage = packageName; 7770 info.removedUsers = new int[] {userId}; 7771 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7772 info.sendBroadcast(false, false, false); 7773 } 7774 7775 /** 7776 * Returns true if application is not found or there was an error. Otherwise it returns 7777 * the blocked state of the package for the given user. 7778 */ 7779 @Override 7780 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7781 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7782 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7783 "getApplicationBlocked for user " + userId); 7784 PackageSetting pkgSetting; 7785 long callingId = Binder.clearCallingIdentity(); 7786 try { 7787 // writer 7788 synchronized (mPackages) { 7789 pkgSetting = mSettings.mPackages.get(packageName); 7790 if (pkgSetting == null) { 7791 return true; 7792 } 7793 return pkgSetting.getBlocked(userId); 7794 } 7795 } finally { 7796 Binder.restoreCallingIdentity(callingId); 7797 } 7798 } 7799 7800 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7801 int flags) { 7802 // TODO: install stage! 7803 try { 7804 observer.packageInstalled(basePackageName, null, 7805 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7806 } catch (RemoteException ignored) { 7807 } 7808 } 7809 7810 /** 7811 * @hide 7812 */ 7813 @Override 7814 public int installExistingPackageAsUser(String packageName, int userId) { 7815 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7816 null); 7817 PackageSetting pkgSetting; 7818 final int uid = Binder.getCallingUid(); 7819 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7820 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7821 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7822 } 7823 7824 long callingId = Binder.clearCallingIdentity(); 7825 try { 7826 boolean sendAdded = false; 7827 Bundle extras = new Bundle(1); 7828 7829 // writer 7830 synchronized (mPackages) { 7831 pkgSetting = mSettings.mPackages.get(packageName); 7832 if (pkgSetting == null) { 7833 return PackageManager.INSTALL_FAILED_INVALID_URI; 7834 } 7835 if (!pkgSetting.getInstalled(userId)) { 7836 pkgSetting.setInstalled(true, userId); 7837 pkgSetting.setBlocked(false, userId); 7838 mSettings.writePackageRestrictionsLPr(userId); 7839 sendAdded = true; 7840 } 7841 } 7842 7843 if (sendAdded) { 7844 sendPackageAddedForUser(packageName, pkgSetting, userId); 7845 } 7846 } finally { 7847 Binder.restoreCallingIdentity(callingId); 7848 } 7849 7850 return PackageManager.INSTALL_SUCCEEDED; 7851 } 7852 7853 boolean isUserRestricted(int userId, String restrictionKey) { 7854 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7855 if (restrictions.getBoolean(restrictionKey, false)) { 7856 Log.w(TAG, "User is restricted: " + restrictionKey); 7857 return true; 7858 } 7859 return false; 7860 } 7861 7862 @Override 7863 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7864 mContext.enforceCallingOrSelfPermission( 7865 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7866 "Only package verification agents can verify applications"); 7867 7868 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7869 final PackageVerificationResponse response = new PackageVerificationResponse( 7870 verificationCode, Binder.getCallingUid()); 7871 msg.arg1 = id; 7872 msg.obj = response; 7873 mHandler.sendMessage(msg); 7874 } 7875 7876 @Override 7877 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7878 long millisecondsToDelay) { 7879 mContext.enforceCallingOrSelfPermission( 7880 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7881 "Only package verification agents can extend verification timeouts"); 7882 7883 final PackageVerificationState state = mPendingVerification.get(id); 7884 final PackageVerificationResponse response = new PackageVerificationResponse( 7885 verificationCodeAtTimeout, Binder.getCallingUid()); 7886 7887 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7888 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7889 } 7890 if (millisecondsToDelay < 0) { 7891 millisecondsToDelay = 0; 7892 } 7893 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7894 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7895 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7896 } 7897 7898 if ((state != null) && !state.timeoutExtended()) { 7899 state.extendTimeout(); 7900 7901 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7902 msg.arg1 = id; 7903 msg.obj = response; 7904 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7905 } 7906 } 7907 7908 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7909 int verificationCode, UserHandle user) { 7910 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7911 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7912 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7913 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7914 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7915 7916 mContext.sendBroadcastAsUser(intent, user, 7917 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7918 } 7919 7920 private ComponentName matchComponentForVerifier(String packageName, 7921 List<ResolveInfo> receivers) { 7922 ActivityInfo targetReceiver = null; 7923 7924 final int NR = receivers.size(); 7925 for (int i = 0; i < NR; i++) { 7926 final ResolveInfo info = receivers.get(i); 7927 if (info.activityInfo == null) { 7928 continue; 7929 } 7930 7931 if (packageName.equals(info.activityInfo.packageName)) { 7932 targetReceiver = info.activityInfo; 7933 break; 7934 } 7935 } 7936 7937 if (targetReceiver == null) { 7938 return null; 7939 } 7940 7941 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7942 } 7943 7944 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7945 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7946 if (pkgInfo.verifiers.length == 0) { 7947 return null; 7948 } 7949 7950 final int N = pkgInfo.verifiers.length; 7951 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7952 for (int i = 0; i < N; i++) { 7953 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7954 7955 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7956 receivers); 7957 if (comp == null) { 7958 continue; 7959 } 7960 7961 final int verifierUid = getUidForVerifier(verifierInfo); 7962 if (verifierUid == -1) { 7963 continue; 7964 } 7965 7966 if (DEBUG_VERIFY) { 7967 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7968 + " with the correct signature"); 7969 } 7970 sufficientVerifiers.add(comp); 7971 verificationState.addSufficientVerifier(verifierUid); 7972 } 7973 7974 return sufficientVerifiers; 7975 } 7976 7977 private int getUidForVerifier(VerifierInfo verifierInfo) { 7978 synchronized (mPackages) { 7979 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7980 if (pkg == null) { 7981 return -1; 7982 } else if (pkg.mSignatures.length != 1) { 7983 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7984 + " has more than one signature; ignoring"); 7985 return -1; 7986 } 7987 7988 /* 7989 * If the public key of the package's signature does not match 7990 * our expected public key, then this is a different package and 7991 * we should skip. 7992 */ 7993 7994 final byte[] expectedPublicKey; 7995 try { 7996 final Signature verifierSig = pkg.mSignatures[0]; 7997 final PublicKey publicKey = verifierSig.getPublicKey(); 7998 expectedPublicKey = publicKey.getEncoded(); 7999 } catch (CertificateException e) { 8000 return -1; 8001 } 8002 8003 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8004 8005 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8006 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8007 + " does not have the expected public key; ignoring"); 8008 return -1; 8009 } 8010 8011 return pkg.applicationInfo.uid; 8012 } 8013 } 8014 8015 @Override 8016 public void finishPackageInstall(int token) { 8017 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8018 8019 if (DEBUG_INSTALL) { 8020 Slog.v(TAG, "BM finishing package install for " + token); 8021 } 8022 8023 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8024 mHandler.sendMessage(msg); 8025 } 8026 8027 /** 8028 * Get the verification agent timeout. 8029 * 8030 * @return verification timeout in milliseconds 8031 */ 8032 private long getVerificationTimeout() { 8033 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8034 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8035 DEFAULT_VERIFICATION_TIMEOUT); 8036 } 8037 8038 /** 8039 * Get the default verification agent response code. 8040 * 8041 * @return default verification response code 8042 */ 8043 private int getDefaultVerificationResponse() { 8044 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8045 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8046 DEFAULT_VERIFICATION_RESPONSE); 8047 } 8048 8049 /** 8050 * Check whether or not package verification has been enabled. 8051 * 8052 * @return true if verification should be performed 8053 */ 8054 private boolean isVerificationEnabled(int userId, int flags) { 8055 if (!DEFAULT_VERIFY_ENABLE) { 8056 return false; 8057 } 8058 8059 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8060 8061 // Check if installing from ADB 8062 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8063 // Do not run verification in a test harness environment 8064 if (ActivityManager.isRunningInTestHarness()) { 8065 return false; 8066 } 8067 if (ensureVerifyAppsEnabled) { 8068 return true; 8069 } 8070 // Check if the developer does not want package verification for ADB installs 8071 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8072 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8073 return false; 8074 } 8075 } 8076 8077 if (ensureVerifyAppsEnabled) { 8078 return true; 8079 } 8080 8081 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8082 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8083 } 8084 8085 /** 8086 * Get the "allow unknown sources" setting. 8087 * 8088 * @return the current "allow unknown sources" setting 8089 */ 8090 private int getUnknownSourcesSettings() { 8091 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8092 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8093 -1); 8094 } 8095 8096 @Override 8097 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8098 final int uid = Binder.getCallingUid(); 8099 // writer 8100 synchronized (mPackages) { 8101 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8102 if (targetPackageSetting == null) { 8103 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8104 } 8105 8106 PackageSetting installerPackageSetting; 8107 if (installerPackageName != null) { 8108 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8109 if (installerPackageSetting == null) { 8110 throw new IllegalArgumentException("Unknown installer package: " 8111 + installerPackageName); 8112 } 8113 } else { 8114 installerPackageSetting = null; 8115 } 8116 8117 Signature[] callerSignature; 8118 Object obj = mSettings.getUserIdLPr(uid); 8119 if (obj != null) { 8120 if (obj instanceof SharedUserSetting) { 8121 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8122 } else if (obj instanceof PackageSetting) { 8123 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8124 } else { 8125 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8126 } 8127 } else { 8128 throw new SecurityException("Unknown calling uid " + uid); 8129 } 8130 8131 // Verify: can't set installerPackageName to a package that is 8132 // not signed with the same cert as the caller. 8133 if (installerPackageSetting != null) { 8134 if (compareSignatures(callerSignature, 8135 installerPackageSetting.signatures.mSignatures) 8136 != PackageManager.SIGNATURE_MATCH) { 8137 throw new SecurityException( 8138 "Caller does not have same cert as new installer package " 8139 + installerPackageName); 8140 } 8141 } 8142 8143 // Verify: if target already has an installer package, it must 8144 // be signed with the same cert as the caller. 8145 if (targetPackageSetting.installerPackageName != null) { 8146 PackageSetting setting = mSettings.mPackages.get( 8147 targetPackageSetting.installerPackageName); 8148 // If the currently set package isn't valid, then it's always 8149 // okay to change it. 8150 if (setting != null) { 8151 if (compareSignatures(callerSignature, 8152 setting.signatures.mSignatures) 8153 != PackageManager.SIGNATURE_MATCH) { 8154 throw new SecurityException( 8155 "Caller does not have same cert as old installer package " 8156 + targetPackageSetting.installerPackageName); 8157 } 8158 } 8159 } 8160 8161 // Okay! 8162 targetPackageSetting.installerPackageName = installerPackageName; 8163 scheduleWriteSettingsLocked(); 8164 } 8165 } 8166 8167 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8168 // Queue up an async operation since the package installation may take a little while. 8169 mHandler.post(new Runnable() { 8170 public void run() { 8171 mHandler.removeCallbacks(this); 8172 // Result object to be returned 8173 PackageInstalledInfo res = new PackageInstalledInfo(); 8174 res.returnCode = currentStatus; 8175 res.uid = -1; 8176 res.pkg = null; 8177 res.removedInfo = new PackageRemovedInfo(); 8178 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8179 args.doPreInstall(res.returnCode); 8180 synchronized (mInstallLock) { 8181 installPackageLI(args, true, res); 8182 } 8183 args.doPostInstall(res.returnCode, res.uid); 8184 } 8185 8186 // A restore should be performed at this point if (a) the install 8187 // succeeded, (b) the operation is not an update, and (c) the new 8188 // package has a backupAgent defined. 8189 final boolean update = res.removedInfo.removedPackage != null; 8190 boolean doRestore = (!update 8191 && res.pkg != null 8192 && res.pkg.applicationInfo.backupAgentName != null); 8193 8194 // Set up the post-install work request bookkeeping. This will be used 8195 // and cleaned up by the post-install event handling regardless of whether 8196 // there's a restore pass performed. Token values are >= 1. 8197 int token; 8198 if (mNextInstallToken < 0) mNextInstallToken = 1; 8199 token = mNextInstallToken++; 8200 8201 PostInstallData data = new PostInstallData(args, res); 8202 mRunningInstalls.put(token, data); 8203 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8204 8205 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8206 // Pass responsibility to the Backup Manager. It will perform a 8207 // restore if appropriate, then pass responsibility back to the 8208 // Package Manager to run the post-install observer callbacks 8209 // and broadcasts. 8210 IBackupManager bm = IBackupManager.Stub.asInterface( 8211 ServiceManager.getService(Context.BACKUP_SERVICE)); 8212 if (bm != null) { 8213 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8214 + " to BM for possible restore"); 8215 try { 8216 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8217 } catch (RemoteException e) { 8218 // can't happen; the backup manager is local 8219 } catch (Exception e) { 8220 Slog.e(TAG, "Exception trying to enqueue restore", e); 8221 doRestore = false; 8222 } 8223 } else { 8224 Slog.e(TAG, "Backup Manager not found!"); 8225 doRestore = false; 8226 } 8227 } 8228 8229 if (!doRestore) { 8230 // No restore possible, or the Backup Manager was mysteriously not 8231 // available -- just fire the post-install work request directly. 8232 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8233 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8234 mHandler.sendMessage(msg); 8235 } 8236 } 8237 }); 8238 } 8239 8240 private abstract class HandlerParams { 8241 private static final int MAX_RETRIES = 4; 8242 8243 /** 8244 * Number of times startCopy() has been attempted and had a non-fatal 8245 * error. 8246 */ 8247 private int mRetries = 0; 8248 8249 /** User handle for the user requesting the information or installation. */ 8250 private final UserHandle mUser; 8251 8252 HandlerParams(UserHandle user) { 8253 mUser = user; 8254 } 8255 8256 UserHandle getUser() { 8257 return mUser; 8258 } 8259 8260 final boolean startCopy() { 8261 boolean res; 8262 try { 8263 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8264 8265 if (++mRetries > MAX_RETRIES) { 8266 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8267 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8268 handleServiceError(); 8269 return false; 8270 } else { 8271 handleStartCopy(); 8272 res = true; 8273 } 8274 } catch (RemoteException e) { 8275 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8276 mHandler.sendEmptyMessage(MCS_RECONNECT); 8277 res = false; 8278 } 8279 handleReturnCode(); 8280 return res; 8281 } 8282 8283 final void serviceError() { 8284 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8285 handleServiceError(); 8286 handleReturnCode(); 8287 } 8288 8289 abstract void handleStartCopy() throws RemoteException; 8290 abstract void handleServiceError(); 8291 abstract void handleReturnCode(); 8292 } 8293 8294 class MeasureParams extends HandlerParams { 8295 private final PackageStats mStats; 8296 private boolean mSuccess; 8297 8298 private final IPackageStatsObserver mObserver; 8299 8300 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8301 super(new UserHandle(stats.userHandle)); 8302 mObserver = observer; 8303 mStats = stats; 8304 } 8305 8306 @Override 8307 public String toString() { 8308 return "MeasureParams{" 8309 + Integer.toHexString(System.identityHashCode(this)) 8310 + " " + mStats.packageName + "}"; 8311 } 8312 8313 @Override 8314 void handleStartCopy() throws RemoteException { 8315 synchronized (mInstallLock) { 8316 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8317 } 8318 8319 if (mSuccess) { 8320 final boolean mounted; 8321 if (Environment.isExternalStorageEmulated()) { 8322 mounted = true; 8323 } else { 8324 final String status = Environment.getExternalStorageState(); 8325 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8326 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8327 } 8328 8329 if (mounted) { 8330 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8331 8332 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8333 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8334 8335 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8336 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8337 8338 // Always subtract cache size, since it's a subdirectory 8339 mStats.externalDataSize -= mStats.externalCacheSize; 8340 8341 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8342 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8343 8344 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8345 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8346 } 8347 } 8348 } 8349 8350 @Override 8351 void handleReturnCode() { 8352 if (mObserver != null) { 8353 try { 8354 mObserver.onGetStatsCompleted(mStats, mSuccess); 8355 } catch (RemoteException e) { 8356 Slog.i(TAG, "Observer no longer exists."); 8357 } 8358 } 8359 } 8360 8361 @Override 8362 void handleServiceError() { 8363 Slog.e(TAG, "Could not measure application " + mStats.packageName 8364 + " external storage"); 8365 } 8366 } 8367 8368 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8369 throws RemoteException { 8370 long result = 0; 8371 for (File path : paths) { 8372 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8373 } 8374 return result; 8375 } 8376 8377 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8378 for (File path : paths) { 8379 try { 8380 mcs.clearDirectory(path.getAbsolutePath()); 8381 } catch (RemoteException e) { 8382 } 8383 } 8384 } 8385 8386 class InstallParams extends HandlerParams { 8387 final IPackageInstallObserver observer; 8388 final IPackageInstallObserver2 observer2; 8389 int flags; 8390 8391 private final Uri mPackageURI; 8392 final String installerPackageName; 8393 final VerificationParams verificationParams; 8394 private InstallArgs mArgs; 8395 private int mRet; 8396 private File mTempPackage; 8397 final ContainerEncryptionParams encryptionParams; 8398 final String packageAbiOverride; 8399 final String packageInstructionSetOverride; 8400 8401 InstallParams(Uri packageURI, 8402 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8403 int flags, String installerPackageName, VerificationParams verificationParams, 8404 ContainerEncryptionParams encryptionParams, UserHandle user, 8405 String packageAbiOverride) { 8406 super(user); 8407 this.mPackageURI = packageURI; 8408 this.flags = flags; 8409 this.observer = observer; 8410 this.observer2 = observer2; 8411 this.installerPackageName = installerPackageName; 8412 this.verificationParams = verificationParams; 8413 this.encryptionParams = encryptionParams; 8414 this.packageAbiOverride = packageAbiOverride; 8415 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8416 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8417 } 8418 8419 @Override 8420 public String toString() { 8421 return "InstallParams{" 8422 + Integer.toHexString(System.identityHashCode(this)) 8423 + " " + mPackageURI + "}"; 8424 } 8425 8426 public ManifestDigest getManifestDigest() { 8427 if (verificationParams == null) { 8428 return null; 8429 } 8430 return verificationParams.getManifestDigest(); 8431 } 8432 8433 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8434 String packageName = pkgLite.packageName; 8435 int installLocation = pkgLite.installLocation; 8436 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8437 // reader 8438 synchronized (mPackages) { 8439 PackageParser.Package pkg = mPackages.get(packageName); 8440 if (pkg != null) { 8441 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8442 // Check for downgrading. 8443 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8444 if (pkgLite.versionCode < pkg.mVersionCode) { 8445 Slog.w(TAG, "Can't install update of " + packageName 8446 + " update version " + pkgLite.versionCode 8447 + " is older than installed version " 8448 + pkg.mVersionCode); 8449 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8450 } 8451 } 8452 // Check for updated system application. 8453 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8454 if (onSd) { 8455 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8456 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8457 } 8458 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8459 } else { 8460 if (onSd) { 8461 // Install flag overrides everything. 8462 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8463 } 8464 // If current upgrade specifies particular preference 8465 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8466 // Application explicitly specified internal. 8467 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8468 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8469 // App explictly prefers external. Let policy decide 8470 } else { 8471 // Prefer previous location 8472 if (isExternal(pkg)) { 8473 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8474 } 8475 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8476 } 8477 } 8478 } else { 8479 // Invalid install. Return error code 8480 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8481 } 8482 } 8483 } 8484 // All the special cases have been taken care of. 8485 // Return result based on recommended install location. 8486 if (onSd) { 8487 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8488 } 8489 return pkgLite.recommendedInstallLocation; 8490 } 8491 8492 private long getMemoryLowThreshold() { 8493 final DeviceStorageMonitorInternal 8494 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8495 if (dsm == null) { 8496 return 0L; 8497 } 8498 return dsm.getMemoryLowThreshold(); 8499 } 8500 8501 /* 8502 * Invoke remote method to get package information and install 8503 * location values. Override install location based on default 8504 * policy if needed and then create install arguments based 8505 * on the install location. 8506 */ 8507 public void handleStartCopy() throws RemoteException { 8508 int ret = PackageManager.INSTALL_SUCCEEDED; 8509 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8510 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8511 PackageInfoLite pkgLite = null; 8512 8513 if (onInt && onSd) { 8514 // Check if both bits are set. 8515 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8516 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8517 } else { 8518 final long lowThreshold = getMemoryLowThreshold(); 8519 if (lowThreshold == 0L) { 8520 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8521 } 8522 8523 try { 8524 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8525 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8526 8527 final File packageFile; 8528 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8529 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8530 if (mTempPackage != null) { 8531 ParcelFileDescriptor out; 8532 try { 8533 out = ParcelFileDescriptor.open(mTempPackage, 8534 ParcelFileDescriptor.MODE_READ_WRITE); 8535 } catch (FileNotFoundException e) { 8536 out = null; 8537 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8538 } 8539 8540 // Make a temporary file for decryption. 8541 ret = mContainerService 8542 .copyResource(mPackageURI, encryptionParams, out); 8543 IoUtils.closeQuietly(out); 8544 8545 packageFile = mTempPackage; 8546 8547 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8548 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8549 | FileUtils.S_IROTH, 8550 -1, -1); 8551 } else { 8552 packageFile = null; 8553 } 8554 } else { 8555 packageFile = new File(mPackageURI.getPath()); 8556 } 8557 8558 if (packageFile != null) { 8559 // Remote call to find out default install location 8560 final String packageFilePath = packageFile.getAbsolutePath(); 8561 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8562 lowThreshold, packageAbiOverride); 8563 8564 /* 8565 * If we have too little free space, try to free cache 8566 * before giving up. 8567 */ 8568 if (pkgLite.recommendedInstallLocation 8569 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8570 final long size = mContainerService.calculateInstalledSize( 8571 packageFilePath, isForwardLocked(), packageAbiOverride); 8572 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8573 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8574 flags, lowThreshold, packageAbiOverride); 8575 } 8576 /* 8577 * The cache free must have deleted the file we 8578 * downloaded to install. 8579 * 8580 * TODO: fix the "freeCache" call to not delete 8581 * the file we care about. 8582 */ 8583 if (pkgLite.recommendedInstallLocation 8584 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8585 pkgLite.recommendedInstallLocation 8586 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8587 } 8588 } 8589 } 8590 } finally { 8591 mContext.revokeUriPermission(mPackageURI, 8592 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8593 } 8594 } 8595 8596 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8597 int loc = pkgLite.recommendedInstallLocation; 8598 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8599 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8600 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8601 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8602 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8603 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8604 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8605 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8606 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8607 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8608 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8609 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8610 } else { 8611 // Override with defaults if needed. 8612 loc = installLocationPolicy(pkgLite, flags); 8613 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8614 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8615 } else if (!onSd && !onInt) { 8616 // Override install location with flags 8617 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8618 // Set the flag to install on external media. 8619 flags |= PackageManager.INSTALL_EXTERNAL; 8620 flags &= ~PackageManager.INSTALL_INTERNAL; 8621 } else { 8622 // Make sure the flag for installing on external 8623 // media is unset 8624 flags |= PackageManager.INSTALL_INTERNAL; 8625 flags &= ~PackageManager.INSTALL_EXTERNAL; 8626 } 8627 } 8628 } 8629 } 8630 8631 final InstallArgs args = createInstallArgs(this); 8632 mArgs = args; 8633 8634 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8635 /* 8636 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8637 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8638 */ 8639 int userIdentifier = getUser().getIdentifier(); 8640 if (userIdentifier == UserHandle.USER_ALL 8641 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8642 userIdentifier = UserHandle.USER_OWNER; 8643 } 8644 8645 /* 8646 * Determine if we have any installed package verifiers. If we 8647 * do, then we'll defer to them to verify the packages. 8648 */ 8649 final int requiredUid = mRequiredVerifierPackage == null ? -1 8650 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8651 if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) { 8652 final Intent verification = new Intent( 8653 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8654 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8655 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8656 8657 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8658 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8659 0 /* TODO: Which userId? */); 8660 8661 if (DEBUG_VERIFY) { 8662 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8663 + verification.toString() + " with " + pkgLite.verifiers.length 8664 + " optional verifiers"); 8665 } 8666 8667 final int verificationId = mPendingVerificationToken++; 8668 8669 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8670 8671 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8672 installerPackageName); 8673 8674 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8675 8676 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8677 pkgLite.packageName); 8678 8679 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8680 pkgLite.versionCode); 8681 8682 if (verificationParams != null) { 8683 if (verificationParams.getVerificationURI() != null) { 8684 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8685 verificationParams.getVerificationURI()); 8686 } 8687 if (verificationParams.getOriginatingURI() != null) { 8688 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8689 verificationParams.getOriginatingURI()); 8690 } 8691 if (verificationParams.getReferrer() != null) { 8692 verification.putExtra(Intent.EXTRA_REFERRER, 8693 verificationParams.getReferrer()); 8694 } 8695 if (verificationParams.getOriginatingUid() >= 0) { 8696 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8697 verificationParams.getOriginatingUid()); 8698 } 8699 if (verificationParams.getInstallerUid() >= 0) { 8700 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8701 verificationParams.getInstallerUid()); 8702 } 8703 } 8704 8705 final PackageVerificationState verificationState = new PackageVerificationState( 8706 requiredUid, args); 8707 8708 mPendingVerification.append(verificationId, verificationState); 8709 8710 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8711 receivers, verificationState); 8712 8713 /* 8714 * If any sufficient verifiers were listed in the package 8715 * manifest, attempt to ask them. 8716 */ 8717 if (sufficientVerifiers != null) { 8718 final int N = sufficientVerifiers.size(); 8719 if (N == 0) { 8720 Slog.i(TAG, "Additional verifiers required, but none installed."); 8721 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8722 } else { 8723 for (int i = 0; i < N; i++) { 8724 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8725 8726 final Intent sufficientIntent = new Intent(verification); 8727 sufficientIntent.setComponent(verifierComponent); 8728 8729 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8730 } 8731 } 8732 } 8733 8734 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8735 mRequiredVerifierPackage, receivers); 8736 if (ret == PackageManager.INSTALL_SUCCEEDED 8737 && mRequiredVerifierPackage != null) { 8738 /* 8739 * Send the intent to the required verification agent, 8740 * but only start the verification timeout after the 8741 * target BroadcastReceivers have run. 8742 */ 8743 verification.setComponent(requiredVerifierComponent); 8744 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8745 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8746 new BroadcastReceiver() { 8747 @Override 8748 public void onReceive(Context context, Intent intent) { 8749 final Message msg = mHandler 8750 .obtainMessage(CHECK_PENDING_VERIFICATION); 8751 msg.arg1 = verificationId; 8752 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8753 } 8754 }, null, 0, null, null); 8755 8756 /* 8757 * We don't want the copy to proceed until verification 8758 * succeeds, so null out this field. 8759 */ 8760 mArgs = null; 8761 } 8762 } else { 8763 /* 8764 * No package verification is enabled, so immediately start 8765 * the remote call to initiate copy using temporary file. 8766 */ 8767 ret = args.copyApk(mContainerService, true); 8768 } 8769 } 8770 8771 mRet = ret; 8772 } 8773 8774 @Override 8775 void handleReturnCode() { 8776 // If mArgs is null, then MCS couldn't be reached. When it 8777 // reconnects, it will try again to install. At that point, this 8778 // will succeed. 8779 if (mArgs != null) { 8780 processPendingInstall(mArgs, mRet); 8781 8782 if (mTempPackage != null) { 8783 if (!mTempPackage.delete()) { 8784 Slog.w(TAG, "Couldn't delete temporary file: " + 8785 mTempPackage.getAbsolutePath()); 8786 } 8787 } 8788 } 8789 } 8790 8791 @Override 8792 void handleServiceError() { 8793 mArgs = createInstallArgs(this); 8794 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8795 } 8796 8797 public boolean isForwardLocked() { 8798 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8799 } 8800 8801 public Uri getPackageUri() { 8802 if (mTempPackage != null) { 8803 return Uri.fromFile(mTempPackage); 8804 } else { 8805 return mPackageURI; 8806 } 8807 } 8808 } 8809 8810 /* 8811 * Utility class used in movePackage api. 8812 * srcArgs and targetArgs are not set for invalid flags and make 8813 * sure to do null checks when invoking methods on them. 8814 * We probably want to return ErrorPrams for both failed installs 8815 * and moves. 8816 */ 8817 class MoveParams extends HandlerParams { 8818 final IPackageMoveObserver observer; 8819 final int flags; 8820 final String packageName; 8821 final InstallArgs srcArgs; 8822 final InstallArgs targetArgs; 8823 int uid; 8824 int mRet; 8825 8826 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8827 String packageName, String dataDir, String instructionSet, 8828 int uid, UserHandle user) { 8829 super(user); 8830 this.srcArgs = srcArgs; 8831 this.observer = observer; 8832 this.flags = flags; 8833 this.packageName = packageName; 8834 this.uid = uid; 8835 if (srcArgs != null) { 8836 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8837 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8838 } else { 8839 targetArgs = null; 8840 } 8841 } 8842 8843 @Override 8844 public String toString() { 8845 return "MoveParams{" 8846 + Integer.toHexString(System.identityHashCode(this)) 8847 + " " + packageName + "}"; 8848 } 8849 8850 public void handleStartCopy() throws RemoteException { 8851 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8852 // Check for storage space on target medium 8853 if (!targetArgs.checkFreeStorage(mContainerService)) { 8854 Log.w(TAG, "Insufficient storage to install"); 8855 return; 8856 } 8857 8858 mRet = srcArgs.doPreCopy(); 8859 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8860 return; 8861 } 8862 8863 mRet = targetArgs.copyApk(mContainerService, false); 8864 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8865 srcArgs.doPostCopy(uid); 8866 return; 8867 } 8868 8869 mRet = srcArgs.doPostCopy(uid); 8870 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8871 return; 8872 } 8873 8874 mRet = targetArgs.doPreInstall(mRet); 8875 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8876 return; 8877 } 8878 8879 if (DEBUG_SD_INSTALL) { 8880 StringBuilder builder = new StringBuilder(); 8881 if (srcArgs != null) { 8882 builder.append("src: "); 8883 builder.append(srcArgs.getCodePath()); 8884 } 8885 if (targetArgs != null) { 8886 builder.append(" target : "); 8887 builder.append(targetArgs.getCodePath()); 8888 } 8889 Log.i(TAG, builder.toString()); 8890 } 8891 } 8892 8893 @Override 8894 void handleReturnCode() { 8895 targetArgs.doPostInstall(mRet, uid); 8896 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8897 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8898 currentStatus = PackageManager.MOVE_SUCCEEDED; 8899 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8900 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8901 } 8902 processPendingMove(this, currentStatus); 8903 } 8904 8905 @Override 8906 void handleServiceError() { 8907 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8908 } 8909 } 8910 8911 /** 8912 * Used during creation of InstallArgs 8913 * 8914 * @param flags package installation flags 8915 * @return true if should be installed on external storage 8916 */ 8917 private static boolean installOnSd(int flags) { 8918 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8919 return false; 8920 } 8921 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8922 return true; 8923 } 8924 return false; 8925 } 8926 8927 /** 8928 * Used during creation of InstallArgs 8929 * 8930 * @param flags package installation flags 8931 * @return true if should be installed as forward locked 8932 */ 8933 private static boolean installForwardLocked(int flags) { 8934 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8935 } 8936 8937 private InstallArgs createInstallArgs(InstallParams params) { 8938 if (installOnSd(params.flags) || params.isForwardLocked()) { 8939 return new AsecInstallArgs(params); 8940 } else { 8941 return new FileInstallArgs(params); 8942 } 8943 } 8944 8945 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8946 String nativeLibraryPath, String instructionSet) { 8947 final boolean isInAsec; 8948 if (installOnSd(flags)) { 8949 /* Apps on SD card are always in ASEC containers. */ 8950 isInAsec = true; 8951 } else if (installForwardLocked(flags) 8952 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8953 /* 8954 * Forward-locked apps are only in ASEC containers if they're the 8955 * new style 8956 */ 8957 isInAsec = true; 8958 } else { 8959 isInAsec = false; 8960 } 8961 8962 if (isInAsec) { 8963 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8964 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8965 } else { 8966 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8967 instructionSet); 8968 } 8969 } 8970 8971 // Used by package mover 8972 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8973 String instructionSet) { 8974 if (installOnSd(flags) || installForwardLocked(flags)) { 8975 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8976 + AsecInstallArgs.RES_FILE_NAME); 8977 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8978 installForwardLocked(flags)); 8979 } else { 8980 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8981 } 8982 } 8983 8984 static abstract class InstallArgs { 8985 final IPackageInstallObserver observer; 8986 final IPackageInstallObserver2 observer2; 8987 // Always refers to PackageManager flags only 8988 final int flags; 8989 final Uri packageURI; 8990 final String installerPackageName; 8991 final ManifestDigest manifestDigest; 8992 final UserHandle user; 8993 final String instructionSet; 8994 final String abiOverride; 8995 8996 InstallArgs(Uri packageURI, 8997 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8998 int flags, String installerPackageName, ManifestDigest manifestDigest, 8999 UserHandle user, String instructionSet, String abiOverride) { 9000 this.packageURI = packageURI; 9001 this.flags = flags; 9002 this.observer = observer; 9003 this.observer2 = observer2; 9004 this.installerPackageName = installerPackageName; 9005 this.manifestDigest = manifestDigest; 9006 this.user = user; 9007 this.instructionSet = instructionSet; 9008 this.abiOverride = abiOverride; 9009 } 9010 9011 abstract void createCopyFile(); 9012 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9013 abstract int doPreInstall(int status); 9014 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9015 9016 abstract int doPostInstall(int status, int uid); 9017 abstract String getCodePath(); 9018 abstract String getResourcePath(); 9019 abstract String getNativeLibraryPath(); 9020 // Need installer lock especially for dex file removal. 9021 abstract void cleanUpResourcesLI(); 9022 abstract boolean doPostDeleteLI(boolean delete); 9023 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9024 9025 String[] getSplitCodePaths() { 9026 return null; 9027 } 9028 9029 /** 9030 * Called before the source arguments are copied. This is used mostly 9031 * for MoveParams when it needs to read the source file to put it in the 9032 * destination. 9033 */ 9034 int doPreCopy() { 9035 return PackageManager.INSTALL_SUCCEEDED; 9036 } 9037 9038 /** 9039 * Called after the source arguments are copied. This is used mostly for 9040 * MoveParams when it needs to read the source file to put it in the 9041 * destination. 9042 * 9043 * @return 9044 */ 9045 int doPostCopy(int uid) { 9046 return PackageManager.INSTALL_SUCCEEDED; 9047 } 9048 9049 protected boolean isFwdLocked() { 9050 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9051 } 9052 9053 UserHandle getUser() { 9054 return user; 9055 } 9056 } 9057 9058 class FileInstallArgs extends InstallArgs { 9059 File installDir; 9060 String codeFileName; 9061 String resourceFileName; 9062 String libraryPath; 9063 boolean created = false; 9064 9065 FileInstallArgs(InstallParams params) { 9066 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9067 params.installerPackageName, params.getManifestDigest(), 9068 params.getUser(), params.packageInstructionSetOverride, 9069 params.packageAbiOverride); 9070 } 9071 9072 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9073 String instructionSet) { 9074 super(null, null, null, 0, null, null, null, instructionSet, null); 9075 File codeFile = new File(fullCodePath); 9076 installDir = codeFile.getParentFile(); 9077 codeFileName = fullCodePath; 9078 resourceFileName = fullResourcePath; 9079 libraryPath = nativeLibraryPath; 9080 } 9081 9082 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9083 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9084 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9085 String apkName = getNextCodePath(null, pkgName, ".apk"); 9086 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9087 resourceFileName = getResourcePathFromCodePath(); 9088 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9089 } 9090 9091 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9092 final long lowThreshold; 9093 9094 final DeviceStorageMonitorInternal 9095 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9096 if (dsm == null) { 9097 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9098 lowThreshold = 0L; 9099 } else { 9100 if (dsm.isMemoryLow()) { 9101 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9102 return false; 9103 } 9104 9105 lowThreshold = dsm.getMemoryLowThreshold(); 9106 } 9107 9108 try { 9109 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9110 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9111 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9112 } finally { 9113 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9114 } 9115 } 9116 9117 void createCopyFile() { 9118 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9119 codeFileName = createTempPackageFile(installDir).getPath(); 9120 resourceFileName = getResourcePathFromCodePath(); 9121 libraryPath = getLibraryPathFromCodePath(); 9122 created = true; 9123 } 9124 9125 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9126 if (temp) { 9127 // Generate temp file name 9128 createCopyFile(); 9129 } 9130 // Get a ParcelFileDescriptor to write to the output file 9131 File codeFile = new File(codeFileName); 9132 if (!created) { 9133 try { 9134 codeFile.createNewFile(); 9135 // Set permissions 9136 if (!setPermissions()) { 9137 // Failed setting permissions. 9138 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9139 } 9140 } catch (IOException e) { 9141 Slog.w(TAG, "Failed to create file " + codeFile); 9142 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9143 } 9144 } 9145 ParcelFileDescriptor out = null; 9146 try { 9147 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9148 } catch (FileNotFoundException e) { 9149 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9150 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9151 } 9152 // Copy the resource now 9153 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9154 try { 9155 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9156 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9157 ret = imcs.copyResource(packageURI, null, out); 9158 } finally { 9159 IoUtils.closeQuietly(out); 9160 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9161 } 9162 9163 if (isFwdLocked()) { 9164 final File destResourceFile = new File(getResourcePath()); 9165 9166 // Copy the public files 9167 try { 9168 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9169 } catch (IOException e) { 9170 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9171 + " forward-locked app."); 9172 destResourceFile.delete(); 9173 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9174 } 9175 } 9176 9177 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9178 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9179 if (nativeLibraryFile.exists()) { 9180 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9181 nativeLibraryFile.delete(); 9182 } 9183 9184 String[] abiList = (abiOverride != null) ? 9185 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9186 ApkHandle handle = null; 9187 try { 9188 handle = ApkHandle.create(codeFile); 9189 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9190 abiOverride == null && 9191 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9192 abiList = Build.SUPPORTED_32_BIT_ABIS; 9193 } 9194 9195 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9196 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9197 return copyRet; 9198 } 9199 } catch (IOException e) { 9200 Slog.e(TAG, "Copying native libraries failed", e); 9201 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9202 } finally { 9203 IoUtils.closeQuietly(handle); 9204 } 9205 9206 return ret; 9207 } 9208 9209 int doPreInstall(int status) { 9210 if (status != PackageManager.INSTALL_SUCCEEDED) { 9211 cleanUp(); 9212 } 9213 return status; 9214 } 9215 9216 boolean doRename(int status, final String pkgName, String oldCodePath) { 9217 if (status != PackageManager.INSTALL_SUCCEEDED) { 9218 cleanUp(); 9219 return false; 9220 } else { 9221 final File oldCodeFile = new File(getCodePath()); 9222 final File oldResourceFile = new File(getResourcePath()); 9223 final File oldLibraryFile = new File(getNativeLibraryPath()); 9224 9225 // Rename APK file based on packageName 9226 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9227 final File newCodeFile = new File(installDir, apkName + ".apk"); 9228 if (!oldCodeFile.renameTo(newCodeFile)) { 9229 return false; 9230 } 9231 codeFileName = newCodeFile.getPath(); 9232 9233 // Rename public resource file if it's forward-locked. 9234 final File newResFile = new File(getResourcePathFromCodePath()); 9235 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9236 return false; 9237 } 9238 resourceFileName = newResFile.getPath(); 9239 9240 // Rename library path 9241 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9242 if (newLibraryFile.exists()) { 9243 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9244 newLibraryFile.delete(); 9245 } 9246 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9247 Slog.e(TAG, "Cannot rename native library directory " 9248 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9249 return false; 9250 } 9251 libraryPath = newLibraryFile.getPath(); 9252 9253 // Attempt to set permissions 9254 if (!setPermissions()) { 9255 return false; 9256 } 9257 9258 if (!SELinux.restorecon(newCodeFile)) { 9259 return false; 9260 } 9261 9262 return true; 9263 } 9264 } 9265 9266 int doPostInstall(int status, int uid) { 9267 if (status != PackageManager.INSTALL_SUCCEEDED) { 9268 cleanUp(); 9269 } 9270 return status; 9271 } 9272 9273 private String getResourcePathFromCodePath() { 9274 final String codePath = getCodePath(); 9275 if (isFwdLocked()) { 9276 final StringBuilder sb = new StringBuilder(); 9277 9278 sb.append(mAppInstallDir.getPath()); 9279 sb.append('/'); 9280 sb.append(getApkName(codePath)); 9281 sb.append(".zip"); 9282 9283 /* 9284 * If our APK is a temporary file, mark the resource as a 9285 * temporary file as well so it can be cleaned up after 9286 * catastrophic failure. 9287 */ 9288 if (codePath.endsWith(".tmp")) { 9289 sb.append(".tmp"); 9290 } 9291 9292 return sb.toString(); 9293 } else { 9294 return codePath; 9295 } 9296 } 9297 9298 private String getLibraryPathFromCodePath() { 9299 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9300 } 9301 9302 @Override 9303 String getCodePath() { 9304 return codeFileName; 9305 } 9306 9307 @Override 9308 String getResourcePath() { 9309 return resourceFileName; 9310 } 9311 9312 @Override 9313 String getNativeLibraryPath() { 9314 if (libraryPath == null) { 9315 libraryPath = getLibraryPathFromCodePath(); 9316 } 9317 return libraryPath; 9318 } 9319 9320 private boolean cleanUp() { 9321 boolean ret = true; 9322 String sourceDir = getCodePath(); 9323 String publicSourceDir = getResourcePath(); 9324 if (sourceDir != null) { 9325 File sourceFile = new File(sourceDir); 9326 if (!sourceFile.exists()) { 9327 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9328 ret = false; 9329 } 9330 // Delete application's code and resources 9331 sourceFile.delete(); 9332 } 9333 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9334 final File publicSourceFile = new File(publicSourceDir); 9335 if (!publicSourceFile.exists()) { 9336 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9337 } 9338 if (publicSourceFile.exists()) { 9339 publicSourceFile.delete(); 9340 } 9341 } 9342 9343 if (libraryPath != null) { 9344 File nativeLibraryFile = new File(libraryPath); 9345 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9346 if (!nativeLibraryFile.delete()) { 9347 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9348 } 9349 } 9350 9351 return ret; 9352 } 9353 9354 void cleanUpResourcesLI() { 9355 String sourceDir = getCodePath(); 9356 if (cleanUp()) { 9357 if (instructionSet == null) { 9358 throw new IllegalStateException("instructionSet == null"); 9359 } 9360 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9361 if (retCode < 0) { 9362 Slog.w(TAG, "Couldn't remove dex file for package: " 9363 + " at location " 9364 + sourceDir + ", retcode=" + retCode); 9365 // we don't consider this to be a failure of the core package deletion 9366 } 9367 } 9368 } 9369 9370 private boolean setPermissions() { 9371 // TODO Do this in a more elegant way later on. for now just a hack 9372 if (!isFwdLocked()) { 9373 final int filePermissions = 9374 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9375 |FileUtils.S_IROTH; 9376 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9377 if (retCode != 0) { 9378 Slog.e(TAG, "Couldn't set new package file permissions for " + 9379 getCodePath() 9380 + ". The return code was: " + retCode); 9381 // TODO Define new internal error 9382 return false; 9383 } 9384 return true; 9385 } 9386 return true; 9387 } 9388 9389 boolean doPostDeleteLI(boolean delete) { 9390 // XXX err, shouldn't we respect the delete flag? 9391 cleanUpResourcesLI(); 9392 return true; 9393 } 9394 } 9395 9396 private boolean isAsecExternal(String cid) { 9397 final String asecPath = PackageHelper.getSdFilesystem(cid); 9398 return !asecPath.startsWith(mAsecInternalPath); 9399 } 9400 9401 /** 9402 * Extract the MountService "container ID" from the full code path of an 9403 * .apk. 9404 */ 9405 static String cidFromCodePath(String fullCodePath) { 9406 int eidx = fullCodePath.lastIndexOf("/"); 9407 String subStr1 = fullCodePath.substring(0, eidx); 9408 int sidx = subStr1.lastIndexOf("/"); 9409 return subStr1.substring(sidx+1, eidx); 9410 } 9411 9412 class AsecInstallArgs extends InstallArgs { 9413 static final String RES_FILE_NAME = "pkg.apk"; 9414 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9415 9416 String cid; 9417 String packagePath; 9418 String resourcePath; 9419 String libraryPath; 9420 9421 AsecInstallArgs(InstallParams params) { 9422 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9423 params.installerPackageName, params.getManifestDigest(), 9424 params.getUser(), params.packageInstructionSetOverride, 9425 params.packageAbiOverride); 9426 } 9427 9428 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9429 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9430 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9431 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9432 null, null, null, instructionSet, null); 9433 // Extract cid from fullCodePath 9434 int eidx = fullCodePath.lastIndexOf("/"); 9435 String subStr1 = fullCodePath.substring(0, eidx); 9436 int sidx = subStr1.lastIndexOf("/"); 9437 cid = subStr1.substring(sidx+1, eidx); 9438 setCachePath(subStr1); 9439 } 9440 9441 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9442 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9443 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9444 null, null, null, instructionSet, null); 9445 this.cid = cid; 9446 setCachePath(PackageHelper.getSdDir(cid)); 9447 } 9448 9449 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9450 boolean isExternal, boolean isForwardLocked) { 9451 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9452 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9453 null, null, null, instructionSet, null); 9454 this.cid = cid; 9455 } 9456 9457 void createCopyFile() { 9458 cid = getTempContainerId(); 9459 } 9460 9461 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9462 try { 9463 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9464 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9465 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9466 } finally { 9467 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9468 } 9469 } 9470 9471 private final boolean isExternal() { 9472 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9473 } 9474 9475 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9476 if (temp) { 9477 createCopyFile(); 9478 } else { 9479 /* 9480 * Pre-emptively destroy the container since it's destroyed if 9481 * copying fails due to it existing anyway. 9482 */ 9483 PackageHelper.destroySdDir(cid); 9484 } 9485 9486 final String newCachePath; 9487 try { 9488 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9489 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9490 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9491 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9492 abiOverride); 9493 } finally { 9494 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9495 } 9496 9497 if (newCachePath != null) { 9498 setCachePath(newCachePath); 9499 return PackageManager.INSTALL_SUCCEEDED; 9500 } else { 9501 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9502 } 9503 } 9504 9505 @Override 9506 String getCodePath() { 9507 return packagePath; 9508 } 9509 9510 @Override 9511 String getResourcePath() { 9512 return resourcePath; 9513 } 9514 9515 @Override 9516 String getNativeLibraryPath() { 9517 return libraryPath; 9518 } 9519 9520 int doPreInstall(int status) { 9521 if (status != PackageManager.INSTALL_SUCCEEDED) { 9522 // Destroy container 9523 PackageHelper.destroySdDir(cid); 9524 } else { 9525 boolean mounted = PackageHelper.isContainerMounted(cid); 9526 if (!mounted) { 9527 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9528 Process.SYSTEM_UID); 9529 if (newCachePath != null) { 9530 setCachePath(newCachePath); 9531 } else { 9532 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9533 } 9534 } 9535 } 9536 return status; 9537 } 9538 9539 boolean doRename(int status, final String pkgName, 9540 String oldCodePath) { 9541 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9542 String newCachePath = null; 9543 if (PackageHelper.isContainerMounted(cid)) { 9544 // Unmount the container 9545 if (!PackageHelper.unMountSdDir(cid)) { 9546 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9547 return false; 9548 } 9549 } 9550 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9551 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9552 " which might be stale. Will try to clean up."); 9553 // Clean up the stale container and proceed to recreate. 9554 if (!PackageHelper.destroySdDir(newCacheId)) { 9555 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9556 return false; 9557 } 9558 // Successfully cleaned up stale container. Try to rename again. 9559 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9560 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9561 + " inspite of cleaning it up."); 9562 return false; 9563 } 9564 } 9565 if (!PackageHelper.isContainerMounted(newCacheId)) { 9566 Slog.w(TAG, "Mounting container " + newCacheId); 9567 newCachePath = PackageHelper.mountSdDir(newCacheId, 9568 getEncryptKey(), Process.SYSTEM_UID); 9569 } else { 9570 newCachePath = PackageHelper.getSdDir(newCacheId); 9571 } 9572 if (newCachePath == null) { 9573 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9574 return false; 9575 } 9576 Log.i(TAG, "Succesfully renamed " + cid + 9577 " to " + newCacheId + 9578 " at new path: " + newCachePath); 9579 cid = newCacheId; 9580 setCachePath(newCachePath); 9581 return true; 9582 } 9583 9584 private void setCachePath(String newCachePath) { 9585 File cachePath = new File(newCachePath); 9586 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9587 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9588 9589 if (isFwdLocked()) { 9590 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9591 } else { 9592 resourcePath = packagePath; 9593 } 9594 } 9595 9596 int doPostInstall(int status, int uid) { 9597 if (status != PackageManager.INSTALL_SUCCEEDED) { 9598 cleanUp(); 9599 } else { 9600 final int groupOwner; 9601 final String protectedFile; 9602 if (isFwdLocked()) { 9603 groupOwner = UserHandle.getSharedAppGid(uid); 9604 protectedFile = RES_FILE_NAME; 9605 } else { 9606 groupOwner = -1; 9607 protectedFile = null; 9608 } 9609 9610 if (uid < Process.FIRST_APPLICATION_UID 9611 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9612 Slog.e(TAG, "Failed to finalize " + cid); 9613 PackageHelper.destroySdDir(cid); 9614 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9615 } 9616 9617 boolean mounted = PackageHelper.isContainerMounted(cid); 9618 if (!mounted) { 9619 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9620 } 9621 } 9622 return status; 9623 } 9624 9625 private void cleanUp() { 9626 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9627 9628 // Destroy secure container 9629 PackageHelper.destroySdDir(cid); 9630 } 9631 9632 void cleanUpResourcesLI() { 9633 String sourceFile = getCodePath(); 9634 // Remove dex file 9635 if (instructionSet == null) { 9636 throw new IllegalStateException("instructionSet == null"); 9637 } 9638 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9639 if (retCode < 0) { 9640 Slog.w(TAG, "Couldn't remove dex file for package: " 9641 + " at location " 9642 + sourceFile.toString() + ", retcode=" + retCode); 9643 // we don't consider this to be a failure of the core package deletion 9644 } 9645 cleanUp(); 9646 } 9647 9648 boolean matchContainer(String app) { 9649 if (cid.startsWith(app)) { 9650 return true; 9651 } 9652 return false; 9653 } 9654 9655 String getPackageName() { 9656 return getAsecPackageName(cid); 9657 } 9658 9659 boolean doPostDeleteLI(boolean delete) { 9660 boolean ret = false; 9661 boolean mounted = PackageHelper.isContainerMounted(cid); 9662 if (mounted) { 9663 // Unmount first 9664 ret = PackageHelper.unMountSdDir(cid); 9665 } 9666 if (ret && delete) { 9667 cleanUpResourcesLI(); 9668 } 9669 return ret; 9670 } 9671 9672 @Override 9673 int doPreCopy() { 9674 if (isFwdLocked()) { 9675 if (!PackageHelper.fixSdPermissions(cid, 9676 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9677 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9678 } 9679 } 9680 9681 return PackageManager.INSTALL_SUCCEEDED; 9682 } 9683 9684 @Override 9685 int doPostCopy(int uid) { 9686 if (isFwdLocked()) { 9687 if (uid < Process.FIRST_APPLICATION_UID 9688 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9689 RES_FILE_NAME)) { 9690 Slog.e(TAG, "Failed to finalize " + cid); 9691 PackageHelper.destroySdDir(cid); 9692 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9693 } 9694 } 9695 9696 return PackageManager.INSTALL_SUCCEEDED; 9697 } 9698 } 9699 9700 static String getAsecPackageName(String packageCid) { 9701 int idx = packageCid.lastIndexOf("-"); 9702 if (idx == -1) { 9703 return packageCid; 9704 } 9705 return packageCid.substring(0, idx); 9706 } 9707 9708 // Utility method used to create code paths based on package name and available index. 9709 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9710 String idxStr = ""; 9711 int idx = 1; 9712 // Fall back to default value of idx=1 if prefix is not 9713 // part of oldCodePath 9714 if (oldCodePath != null) { 9715 String subStr = oldCodePath; 9716 // Drop the suffix right away 9717 if (subStr.endsWith(suffix)) { 9718 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9719 } 9720 // If oldCodePath already contains prefix find out the 9721 // ending index to either increment or decrement. 9722 int sidx = subStr.lastIndexOf(prefix); 9723 if (sidx != -1) { 9724 subStr = subStr.substring(sidx + prefix.length()); 9725 if (subStr != null) { 9726 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9727 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9728 } 9729 try { 9730 idx = Integer.parseInt(subStr); 9731 if (idx <= 1) { 9732 idx++; 9733 } else { 9734 idx--; 9735 } 9736 } catch(NumberFormatException e) { 9737 } 9738 } 9739 } 9740 } 9741 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9742 return prefix + idxStr; 9743 } 9744 9745 // Utility method used to ignore ADD/REMOVE events 9746 // by directory observer. 9747 private static boolean ignoreCodePath(String fullPathStr) { 9748 String apkName = getApkName(fullPathStr); 9749 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9750 if (idx != -1 && ((idx+1) < apkName.length())) { 9751 // Make sure the package ends with a numeral 9752 String version = apkName.substring(idx+1); 9753 try { 9754 Integer.parseInt(version); 9755 return true; 9756 } catch (NumberFormatException e) {} 9757 } 9758 return false; 9759 } 9760 9761 // Utility method that returns the relative package path with respect 9762 // to the installation directory. Like say for /data/data/com.test-1.apk 9763 // string com.test-1 is returned. 9764 static String getApkName(String codePath) { 9765 if (codePath == null) { 9766 return null; 9767 } 9768 int sidx = codePath.lastIndexOf("/"); 9769 int eidx = codePath.lastIndexOf("."); 9770 if (eidx == -1) { 9771 eidx = codePath.length(); 9772 } else if (eidx == 0) { 9773 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9774 return null; 9775 } 9776 return codePath.substring(sidx+1, eidx); 9777 } 9778 9779 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9780 String[] splitResPaths = null; 9781 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9782 splitResPaths = new String[splitCodePaths.length]; 9783 for (int i = 0; i < splitCodePaths.length; i++) { 9784 final String splitCodePath = splitCodePaths[i]; 9785 final String resName = getApkName(splitCodePath) + ".zip"; 9786 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9787 resName).getAbsolutePath(); 9788 } 9789 } 9790 return splitResPaths; 9791 } 9792 9793 class PackageInstalledInfo { 9794 String name; 9795 int uid; 9796 // The set of users that originally had this package installed. 9797 int[] origUsers; 9798 // The set of users that now have this package installed. 9799 int[] newUsers; 9800 PackageParser.Package pkg; 9801 int returnCode; 9802 PackageRemovedInfo removedInfo; 9803 9804 // In some error cases we want to convey more info back to the observer 9805 String origPackage; 9806 String origPermission; 9807 } 9808 9809 /* 9810 * Install a non-existing package. 9811 */ 9812 private void installNewPackageLI(PackageParser.Package pkg, 9813 int parseFlags, int scanMode, UserHandle user, 9814 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9815 // Remember this for later, in case we need to rollback this install 9816 String pkgName = pkg.packageName; 9817 9818 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9819 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9820 synchronized(mPackages) { 9821 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9822 // A package with the same name is already installed, though 9823 // it has been renamed to an older name. The package we 9824 // are trying to install should be installed as an update to 9825 // the existing one, but that has not been requested, so bail. 9826 Slog.w(TAG, "Attempt to re-install " + pkgName 9827 + " without first uninstalling package running as " 9828 + mSettings.mRenamedPackages.get(pkgName)); 9829 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9830 return; 9831 } 9832 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9833 // Don't allow installation over an existing package with the same name. 9834 Slog.w(TAG, "Attempt to re-install " + pkgName 9835 + " without first uninstalling."); 9836 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9837 return; 9838 } 9839 } 9840 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9841 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9842 System.currentTimeMillis(), user, abiOverride); 9843 if (newPackage == null) { 9844 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9845 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9846 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9847 } 9848 } else { 9849 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9850 // delete the partially installed application. the data directory will have to be 9851 // restored if it was already existing 9852 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9853 // remove package from internal structures. Note that we want deletePackageX to 9854 // delete the package data and cache directories that it created in 9855 // scanPackageLocked, unless those directories existed before we even tried to 9856 // install. 9857 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9858 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9859 res.removedInfo, true); 9860 } 9861 } 9862 } 9863 9864 private void replacePackageLI(PackageParser.Package pkg, 9865 int parseFlags, int scanMode, UserHandle user, 9866 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9867 9868 PackageParser.Package oldPackage; 9869 String pkgName = pkg.packageName; 9870 int[] allUsers; 9871 boolean[] perUserInstalled; 9872 9873 // First find the old package info and check signatures 9874 synchronized(mPackages) { 9875 oldPackage = mPackages.get(pkgName); 9876 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9877 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9878 != PackageManager.SIGNATURE_MATCH) { 9879 Slog.w(TAG, "New package has a different signature: " + pkgName); 9880 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9881 return; 9882 } 9883 9884 // In case of rollback, remember per-user/profile install state 9885 PackageSetting ps = mSettings.mPackages.get(pkgName); 9886 allUsers = sUserManager.getUserIds(); 9887 perUserInstalled = new boolean[allUsers.length]; 9888 for (int i = 0; i < allUsers.length; i++) { 9889 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9890 } 9891 } 9892 boolean sysPkg = (isSystemApp(oldPackage)); 9893 if (sysPkg) { 9894 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9895 user, allUsers, perUserInstalled, installerPackageName, res, 9896 abiOverride); 9897 } else { 9898 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9899 user, allUsers, perUserInstalled, installerPackageName, res, 9900 abiOverride); 9901 } 9902 } 9903 9904 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9905 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9906 int[] allUsers, boolean[] perUserInstalled, 9907 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9908 PackageParser.Package newPackage = null; 9909 String pkgName = deletedPackage.packageName; 9910 boolean deletedPkg = true; 9911 boolean updatedSettings = false; 9912 9913 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9914 + deletedPackage); 9915 long origUpdateTime; 9916 if (pkg.mExtras != null) { 9917 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9918 } else { 9919 origUpdateTime = 0; 9920 } 9921 9922 // First delete the existing package while retaining the data directory 9923 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9924 res.removedInfo, true)) { 9925 // If the existing package wasn't successfully deleted 9926 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9927 deletedPkg = false; 9928 } else { 9929 // Successfully deleted the old package. Now proceed with re-installation 9930 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9931 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9932 System.currentTimeMillis(), user, abiOverride); 9933 if (newPackage == null) { 9934 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9935 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9936 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9937 } 9938 } else { 9939 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9940 updatedSettings = true; 9941 } 9942 } 9943 9944 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9945 // remove package from internal structures. Note that we want deletePackageX to 9946 // delete the package data and cache directories that it created in 9947 // scanPackageLocked, unless those directories existed before we even tried to 9948 // install. 9949 if(updatedSettings) { 9950 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9951 deletePackageLI( 9952 pkgName, null, true, allUsers, perUserInstalled, 9953 PackageManager.DELETE_KEEP_DATA, 9954 res.removedInfo, true); 9955 } 9956 // Since we failed to install the new package we need to restore the old 9957 // package that we deleted. 9958 if (deletedPkg) { 9959 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9960 File restoreFile = new File(deletedPackage.codePath); 9961 // Parse old package 9962 boolean oldOnSd = isExternal(deletedPackage); 9963 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9964 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9965 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9966 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9967 | SCAN_UPDATE_TIME; 9968 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9969 origUpdateTime, null, null) == null) { 9970 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9971 return; 9972 } 9973 // Restore of old package succeeded. Update permissions. 9974 // writer 9975 synchronized (mPackages) { 9976 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9977 UPDATE_PERMISSIONS_ALL); 9978 // can downgrade to reader 9979 mSettings.writeLPr(); 9980 } 9981 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9982 } 9983 } 9984 } 9985 9986 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9987 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9988 int[] allUsers, boolean[] perUserInstalled, 9989 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9990 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9991 + ", old=" + deletedPackage); 9992 PackageParser.Package newPackage = null; 9993 boolean updatedSettings = false; 9994 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9995 PackageParser.PARSE_IS_SYSTEM; 9996 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9997 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9998 } 9999 String packageName = deletedPackage.packageName; 10000 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 10001 if (packageName == null) { 10002 Slog.w(TAG, "Attempt to delete null packageName."); 10003 return; 10004 } 10005 PackageParser.Package oldPkg; 10006 PackageSetting oldPkgSetting; 10007 // reader 10008 synchronized (mPackages) { 10009 oldPkg = mPackages.get(packageName); 10010 oldPkgSetting = mSettings.mPackages.get(packageName); 10011 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10012 (oldPkgSetting == null)) { 10013 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10014 return; 10015 } 10016 } 10017 10018 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10019 10020 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10021 res.removedInfo.removedPackage = packageName; 10022 // Remove existing system package 10023 removePackageLI(oldPkgSetting, true); 10024 // writer 10025 synchronized (mPackages) { 10026 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10027 // We didn't need to disable the .apk as a current system package, 10028 // which means we are replacing another update that is already 10029 // installed. We need to make sure to delete the older one's .apk. 10030 res.removedInfo.args = createInstallArgs(0, 10031 deletedPackage.applicationInfo.sourceDir, 10032 deletedPackage.applicationInfo.publicSourceDir, 10033 deletedPackage.applicationInfo.nativeLibraryDir, 10034 getAppInstructionSet(deletedPackage.applicationInfo)); 10035 } else { 10036 res.removedInfo.args = null; 10037 } 10038 } 10039 10040 // Successfully disabled the old package. Now proceed with re-installation 10041 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10042 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10043 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10044 if (newPackage == null) { 10045 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10046 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10047 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10048 } 10049 } else { 10050 if (newPackage.mExtras != null) { 10051 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10052 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10053 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10054 10055 // is the update attempting to change shared user? that isn't going to work... 10056 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10057 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10058 + " to " + newPkgSetting.sharedUser); 10059 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10060 updatedSettings = true; 10061 } 10062 } 10063 10064 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10065 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10066 updatedSettings = true; 10067 } 10068 } 10069 10070 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10071 // Re installation failed. Restore old information 10072 // Remove new pkg information 10073 if (newPackage != null) { 10074 removeInstalledPackageLI(newPackage, true); 10075 } 10076 // Add back the old system package 10077 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10078 // Restore the old system information in Settings 10079 synchronized(mPackages) { 10080 if (updatedSettings) { 10081 mSettings.enableSystemPackageLPw(packageName); 10082 mSettings.setInstallerPackageName(packageName, 10083 oldPkgSetting.installerPackageName); 10084 } 10085 mSettings.writeLPr(); 10086 } 10087 } 10088 } 10089 10090 // Utility method used to move dex files during install. 10091 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10092 // TODO: extend to move split APK dex files 10093 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10094 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10095 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10096 instructionSet); 10097 if (retCode != 0) { 10098 /* 10099 * Programs may be lazily run through dexopt, so the 10100 * source may not exist. However, something seems to 10101 * have gone wrong, so note that dexopt needs to be 10102 * run again and remove the source file. In addition, 10103 * remove the target to make sure there isn't a stale 10104 * file from a previous version of the package. 10105 */ 10106 newPackage.mDexOptNeeded = true; 10107 mInstaller.rmdex(oldCodePath, instructionSet); 10108 mInstaller.rmdex(newPackage.codePath, instructionSet); 10109 } 10110 } 10111 return PackageManager.INSTALL_SUCCEEDED; 10112 } 10113 10114 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10115 int[] allUsers, boolean[] perUserInstalled, 10116 PackageInstalledInfo res) { 10117 String pkgName = newPackage.packageName; 10118 synchronized (mPackages) { 10119 //write settings. the installStatus will be incomplete at this stage. 10120 //note that the new package setting would have already been 10121 //added to mPackages. It hasn't been persisted yet. 10122 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10123 mSettings.writeLPr(); 10124 } 10125 10126 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10127 10128 synchronized (mPackages) { 10129 updatePermissionsLPw(newPackage.packageName, newPackage, 10130 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10131 ? UPDATE_PERMISSIONS_ALL : 0)); 10132 // For system-bundled packages, we assume that installing an upgraded version 10133 // of the package implies that the user actually wants to run that new code, 10134 // so we enable the package. 10135 if (isSystemApp(newPackage)) { 10136 // NB: implicit assumption that system package upgrades apply to all users 10137 if (DEBUG_INSTALL) { 10138 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10139 } 10140 PackageSetting ps = mSettings.mPackages.get(pkgName); 10141 if (ps != null) { 10142 if (res.origUsers != null) { 10143 for (int userHandle : res.origUsers) { 10144 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10145 userHandle, installerPackageName); 10146 } 10147 } 10148 // Also convey the prior install/uninstall state 10149 if (allUsers != null && perUserInstalled != null) { 10150 for (int i = 0; i < allUsers.length; i++) { 10151 if (DEBUG_INSTALL) { 10152 Slog.d(TAG, " user " + allUsers[i] 10153 + " => " + perUserInstalled[i]); 10154 } 10155 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10156 } 10157 // these install state changes will be persisted in the 10158 // upcoming call to mSettings.writeLPr(). 10159 } 10160 } 10161 } 10162 res.name = pkgName; 10163 res.uid = newPackage.applicationInfo.uid; 10164 res.pkg = newPackage; 10165 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10166 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10167 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10168 //to update install status 10169 mSettings.writeLPr(); 10170 } 10171 } 10172 10173 private void installPackageLI(InstallArgs args, 10174 boolean newInstall, PackageInstalledInfo res) { 10175 int pFlags = args.flags; 10176 String installerPackageName = args.installerPackageName; 10177 File tmpPackageFile = new File(args.getCodePath()); 10178 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10179 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10180 boolean replace = false; 10181 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10182 | (newInstall ? SCAN_NEW_INSTALL : 0); 10183 // Result object to be returned 10184 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10185 10186 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10187 // Retrieve PackageSettings and parse package 10188 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10189 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10190 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10191 PackageParser pp = new PackageParser(); 10192 pp.setSeparateProcesses(mSeparateProcesses); 10193 pp.setDisplayMetrics(mMetrics); 10194 10195 final PackageParser.Package pkg; 10196 try { 10197 pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags); 10198 } catch (PackageParserException e) { 10199 res.returnCode = e.error; 10200 return; 10201 } 10202 10203 String pkgName = res.name = pkg.packageName; 10204 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10205 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10206 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10207 return; 10208 } 10209 } 10210 10211 try { 10212 pp.collectCertificates(pkg, parseFlags); 10213 pp.collectManifestDigest(pkg); 10214 } catch (PackageParserException e) { 10215 res.returnCode = e.error; 10216 return; 10217 } 10218 10219 /* If the installer passed in a manifest digest, compare it now. */ 10220 if (args.manifestDigest != null) { 10221 if (DEBUG_INSTALL) { 10222 final String parsedManifest = pkg.manifestDigest == null ? "null" 10223 : pkg.manifestDigest.toString(); 10224 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10225 + parsedManifest); 10226 } 10227 10228 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10229 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10230 return; 10231 } 10232 } else if (DEBUG_INSTALL) { 10233 final String parsedManifest = pkg.manifestDigest == null 10234 ? "null" : pkg.manifestDigest.toString(); 10235 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10236 } 10237 10238 // Get rid of all references to package scan path via parser. 10239 pp = null; 10240 String oldCodePath = null; 10241 boolean systemApp = false; 10242 synchronized (mPackages) { 10243 // Check whether the newly-scanned package wants to define an already-defined perm 10244 int N = pkg.permissions.size(); 10245 for (int i = N-1; i >= 0; i--) { 10246 PackageParser.Permission perm = pkg.permissions.get(i); 10247 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10248 if (bp != null) { 10249 // If the defining package is signed with our cert, it's okay. This 10250 // also includes the "updating the same package" case, of course. 10251 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10252 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10253 // If the owning package is the system itself, we log but allow 10254 // install to proceed; we fail the install on all other permission 10255 // redefinitions. 10256 if (!bp.sourcePackage.equals("android")) { 10257 Slog.w(TAG, "Package " + pkg.packageName 10258 + " attempting to redeclare permission " + perm.info.name 10259 + " already owned by " + bp.sourcePackage); 10260 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10261 res.origPermission = perm.info.name; 10262 res.origPackage = bp.sourcePackage; 10263 return; 10264 } else { 10265 Slog.w(TAG, "Package " + pkg.packageName 10266 + " attempting to redeclare system permission " 10267 + perm.info.name + "; ignoring new declaration"); 10268 pkg.permissions.remove(i); 10269 } 10270 } 10271 } 10272 } 10273 10274 // Check if installing already existing package 10275 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10276 String oldName = mSettings.mRenamedPackages.get(pkgName); 10277 if (pkg.mOriginalPackages != null 10278 && pkg.mOriginalPackages.contains(oldName) 10279 && mPackages.containsKey(oldName)) { 10280 // This package is derived from an original package, 10281 // and this device has been updating from that original 10282 // name. We must continue using the original name, so 10283 // rename the new package here. 10284 pkg.setPackageName(oldName); 10285 pkgName = pkg.packageName; 10286 replace = true; 10287 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10288 + oldName + " pkgName=" + pkgName); 10289 } else if (mPackages.containsKey(pkgName)) { 10290 // This package, under its official name, already exists 10291 // on the device; we should replace it. 10292 replace = true; 10293 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10294 } 10295 } 10296 PackageSetting ps = mSettings.mPackages.get(pkgName); 10297 if (ps != null) { 10298 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10299 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10300 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10301 systemApp = (ps.pkg.applicationInfo.flags & 10302 ApplicationInfo.FLAG_SYSTEM) != 0; 10303 } 10304 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10305 } 10306 } 10307 10308 if (systemApp && onSd) { 10309 // Disable updates to system apps on sdcard 10310 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10311 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10312 return; 10313 } 10314 10315 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10316 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10317 return; 10318 } 10319 // Set application objects path explicitly after the rename 10320 pkg.codePath = args.getCodePath(); 10321 pkg.applicationInfo.sourceDir = args.getCodePath(); 10322 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10323 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10324 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10325 pkg.applicationInfo.splitSourceDirs); 10326 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10327 if (replace) { 10328 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10329 installerPackageName, res, args.abiOverride); 10330 } else { 10331 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10332 installerPackageName, res, args.abiOverride); 10333 } 10334 synchronized (mPackages) { 10335 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10336 if (ps != null) { 10337 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10338 } 10339 } 10340 } 10341 10342 private static boolean isForwardLocked(PackageParser.Package pkg) { 10343 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10344 } 10345 10346 10347 private boolean isForwardLocked(PackageSetting ps) { 10348 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10349 } 10350 10351 private static boolean isExternal(PackageParser.Package pkg) { 10352 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10353 } 10354 10355 private static boolean isExternal(PackageSetting ps) { 10356 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10357 } 10358 10359 private static boolean isSystemApp(PackageParser.Package pkg) { 10360 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10361 } 10362 10363 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10364 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10365 } 10366 10367 private static boolean isSystemApp(ApplicationInfo info) { 10368 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10369 } 10370 10371 private static boolean isSystemApp(PackageSetting ps) { 10372 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10373 } 10374 10375 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10376 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10377 } 10378 10379 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10380 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10381 } 10382 10383 private int packageFlagsToInstallFlags(PackageSetting ps) { 10384 int installFlags = 0; 10385 if (isExternal(ps)) { 10386 installFlags |= PackageManager.INSTALL_EXTERNAL; 10387 } 10388 if (isForwardLocked(ps)) { 10389 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10390 } 10391 return installFlags; 10392 } 10393 10394 private void deleteTempPackageFiles() { 10395 final FilenameFilter filter = new FilenameFilter() { 10396 public boolean accept(File dir, String name) { 10397 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10398 } 10399 }; 10400 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10401 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10402 } 10403 10404 private static final void deleteTempPackageFilesInDirectory(File directory, 10405 FilenameFilter filter) { 10406 final String[] tmpFilesList = directory.list(filter); 10407 if (tmpFilesList == null) { 10408 return; 10409 } 10410 for (int i = 0; i < tmpFilesList.length; i++) { 10411 final File tmpFile = new File(directory, tmpFilesList[i]); 10412 tmpFile.delete(); 10413 } 10414 } 10415 10416 private File createTempPackageFile(File installDir) { 10417 File tmpPackageFile; 10418 try { 10419 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10420 } catch (IOException e) { 10421 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10422 return null; 10423 } 10424 try { 10425 FileUtils.setPermissions( 10426 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10427 -1, -1); 10428 if (!SELinux.restorecon(tmpPackageFile)) { 10429 return null; 10430 } 10431 } catch (IOException e) { 10432 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10433 return null; 10434 } 10435 return tmpPackageFile; 10436 } 10437 10438 @Override 10439 public void deletePackageAsUser(final String packageName, 10440 final IPackageDeleteObserver observer, 10441 final int userId, final int flags) { 10442 mContext.enforceCallingOrSelfPermission( 10443 android.Manifest.permission.DELETE_PACKAGES, null); 10444 final int uid = Binder.getCallingUid(); 10445 if (UserHandle.getUserId(uid) != userId) { 10446 mContext.enforceCallingPermission( 10447 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10448 "deletePackage for user " + userId); 10449 } 10450 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10451 try { 10452 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10453 } catch (RemoteException re) { 10454 } 10455 return; 10456 } 10457 10458 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10459 // Queue up an async operation since the package deletion may take a little while. 10460 mHandler.post(new Runnable() { 10461 public void run() { 10462 mHandler.removeCallbacks(this); 10463 final int returnCode = deletePackageX(packageName, userId, flags); 10464 if (observer != null) { 10465 try { 10466 observer.packageDeleted(packageName, returnCode); 10467 } catch (RemoteException e) { 10468 Log.i(TAG, "Observer no longer exists."); 10469 } //end catch 10470 } //end if 10471 } //end run 10472 }); 10473 } 10474 10475 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10476 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10477 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10478 try { 10479 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10480 || dpm.isDeviceOwner(packageName))) { 10481 return true; 10482 } 10483 } catch (RemoteException e) { 10484 } 10485 return false; 10486 } 10487 10488 /** 10489 * This method is an internal method that could be get invoked either 10490 * to delete an installed package or to clean up a failed installation. 10491 * After deleting an installed package, a broadcast is sent to notify any 10492 * listeners that the package has been installed. For cleaning up a failed 10493 * installation, the broadcast is not necessary since the package's 10494 * installation wouldn't have sent the initial broadcast either 10495 * The key steps in deleting a package are 10496 * deleting the package information in internal structures like mPackages, 10497 * deleting the packages base directories through installd 10498 * updating mSettings to reflect current status 10499 * persisting settings for later use 10500 * sending a broadcast if necessary 10501 */ 10502 private int deletePackageX(String packageName, int userId, int flags) { 10503 final PackageRemovedInfo info = new PackageRemovedInfo(); 10504 final boolean res; 10505 10506 if (isPackageDeviceAdmin(packageName, userId)) { 10507 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10508 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10509 } 10510 10511 boolean removedForAllUsers = false; 10512 boolean systemUpdate = false; 10513 10514 // for the uninstall-updates case and restricted profiles, remember the per- 10515 // userhandle installed state 10516 int[] allUsers; 10517 boolean[] perUserInstalled; 10518 synchronized (mPackages) { 10519 PackageSetting ps = mSettings.mPackages.get(packageName); 10520 allUsers = sUserManager.getUserIds(); 10521 perUserInstalled = new boolean[allUsers.length]; 10522 for (int i = 0; i < allUsers.length; i++) { 10523 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10524 } 10525 } 10526 10527 synchronized (mInstallLock) { 10528 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10529 res = deletePackageLI(packageName, 10530 (flags & PackageManager.DELETE_ALL_USERS) != 0 10531 ? UserHandle.ALL : new UserHandle(userId), 10532 true, allUsers, perUserInstalled, 10533 flags | REMOVE_CHATTY, info, true); 10534 systemUpdate = info.isRemovedPackageSystemUpdate; 10535 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10536 removedForAllUsers = true; 10537 } 10538 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10539 + " removedForAllUsers=" + removedForAllUsers); 10540 } 10541 10542 if (res) { 10543 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10544 10545 // If the removed package was a system update, the old system package 10546 // was re-enabled; we need to broadcast this information 10547 if (systemUpdate) { 10548 Bundle extras = new Bundle(1); 10549 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10550 ? info.removedAppId : info.uid); 10551 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10552 10553 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10554 extras, null, null, null); 10555 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10556 extras, null, null, null); 10557 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10558 null, packageName, null, null); 10559 } 10560 } 10561 // Force a gc here. 10562 Runtime.getRuntime().gc(); 10563 // Delete the resources here after sending the broadcast to let 10564 // other processes clean up before deleting resources. 10565 if (info.args != null) { 10566 synchronized (mInstallLock) { 10567 info.args.doPostDeleteLI(true); 10568 } 10569 } 10570 10571 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10572 } 10573 10574 static class PackageRemovedInfo { 10575 String removedPackage; 10576 int uid = -1; 10577 int removedAppId = -1; 10578 int[] removedUsers = null; 10579 boolean isRemovedPackageSystemUpdate = false; 10580 // Clean up resources deleted packages. 10581 InstallArgs args = null; 10582 10583 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10584 Bundle extras = new Bundle(1); 10585 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10586 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10587 if (replacing) { 10588 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10589 } 10590 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10591 if (removedPackage != null) { 10592 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10593 extras, null, null, removedUsers); 10594 if (fullRemove && !replacing) { 10595 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10596 extras, null, null, removedUsers); 10597 } 10598 } 10599 if (removedAppId >= 0) { 10600 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10601 removedUsers); 10602 } 10603 } 10604 } 10605 10606 /* 10607 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10608 * flag is not set, the data directory is removed as well. 10609 * make sure this flag is set for partially installed apps. If not its meaningless to 10610 * delete a partially installed application. 10611 */ 10612 private void removePackageDataLI(PackageSetting ps, 10613 int[] allUserHandles, boolean[] perUserInstalled, 10614 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10615 String packageName = ps.name; 10616 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10617 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10618 // Retrieve object to delete permissions for shared user later on 10619 final PackageSetting deletedPs; 10620 // reader 10621 synchronized (mPackages) { 10622 deletedPs = mSettings.mPackages.get(packageName); 10623 if (outInfo != null) { 10624 outInfo.removedPackage = packageName; 10625 outInfo.removedUsers = deletedPs != null 10626 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10627 : null; 10628 } 10629 } 10630 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10631 removeDataDirsLI(packageName); 10632 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10633 } 10634 // writer 10635 synchronized (mPackages) { 10636 if (deletedPs != null) { 10637 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10638 if (outInfo != null) { 10639 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10640 } 10641 if (deletedPs != null) { 10642 updatePermissionsLPw(deletedPs.name, null, 0); 10643 if (deletedPs.sharedUser != null) { 10644 // remove permissions associated with package 10645 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10646 } 10647 } 10648 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10649 } 10650 // make sure to preserve per-user disabled state if this removal was just 10651 // a downgrade of a system app to the factory package 10652 if (allUserHandles != null && perUserInstalled != null) { 10653 if (DEBUG_REMOVE) { 10654 Slog.d(TAG, "Propagating install state across downgrade"); 10655 } 10656 for (int i = 0; i < allUserHandles.length; i++) { 10657 if (DEBUG_REMOVE) { 10658 Slog.d(TAG, " user " + allUserHandles[i] 10659 + " => " + perUserInstalled[i]); 10660 } 10661 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10662 } 10663 } 10664 } 10665 // can downgrade to reader 10666 if (writeSettings) { 10667 // Save settings now 10668 mSettings.writeLPr(); 10669 } 10670 } 10671 if (outInfo != null) { 10672 // A user ID was deleted here. Go through all users and remove it 10673 // from KeyStore. 10674 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10675 } 10676 } 10677 10678 static boolean locationIsPrivileged(File path) { 10679 try { 10680 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10681 .getCanonicalPath(); 10682 return path.getCanonicalPath().startsWith(privilegedAppDir); 10683 } catch (IOException e) { 10684 Slog.e(TAG, "Unable to access code path " + path); 10685 } 10686 return false; 10687 } 10688 10689 /* 10690 * Tries to delete system package. 10691 */ 10692 private boolean deleteSystemPackageLI(PackageSetting newPs, 10693 int[] allUserHandles, boolean[] perUserInstalled, 10694 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10695 final boolean applyUserRestrictions 10696 = (allUserHandles != null) && (perUserInstalled != null); 10697 PackageSetting disabledPs = null; 10698 // Confirm if the system package has been updated 10699 // An updated system app can be deleted. This will also have to restore 10700 // the system pkg from system partition 10701 // reader 10702 synchronized (mPackages) { 10703 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10704 } 10705 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10706 + " disabledPs=" + disabledPs); 10707 if (disabledPs == null) { 10708 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10709 return false; 10710 } else if (DEBUG_REMOVE) { 10711 Slog.d(TAG, "Deleting system pkg from data partition"); 10712 } 10713 if (DEBUG_REMOVE) { 10714 if (applyUserRestrictions) { 10715 Slog.d(TAG, "Remembering install states:"); 10716 for (int i = 0; i < allUserHandles.length; i++) { 10717 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10718 } 10719 } 10720 } 10721 // Delete the updated package 10722 outInfo.isRemovedPackageSystemUpdate = true; 10723 if (disabledPs.versionCode < newPs.versionCode) { 10724 // Delete data for downgrades 10725 flags &= ~PackageManager.DELETE_KEEP_DATA; 10726 } else { 10727 // Preserve data by setting flag 10728 flags |= PackageManager.DELETE_KEEP_DATA; 10729 } 10730 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10731 allUserHandles, perUserInstalled, outInfo, writeSettings); 10732 if (!ret) { 10733 return false; 10734 } 10735 // writer 10736 synchronized (mPackages) { 10737 // Reinstate the old system package 10738 mSettings.enableSystemPackageLPw(newPs.name); 10739 // Remove any native libraries from the upgraded package. 10740 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10741 } 10742 // Install the system package 10743 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10744 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10745 if (locationIsPrivileged(disabledPs.codePath)) { 10746 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10747 } 10748 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10749 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10750 10751 if (newPkg == null) { 10752 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10753 + " with error:" + mLastScanError); 10754 return false; 10755 } 10756 // writer 10757 synchronized (mPackages) { 10758 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10759 setInternalAppNativeLibraryPath(newPkg, ps); 10760 updatePermissionsLPw(newPkg.packageName, newPkg, 10761 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10762 if (applyUserRestrictions) { 10763 if (DEBUG_REMOVE) { 10764 Slog.d(TAG, "Propagating install state across reinstall"); 10765 } 10766 for (int i = 0; i < allUserHandles.length; i++) { 10767 if (DEBUG_REMOVE) { 10768 Slog.d(TAG, " user " + allUserHandles[i] 10769 + " => " + perUserInstalled[i]); 10770 } 10771 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10772 } 10773 // Regardless of writeSettings we need to ensure that this restriction 10774 // state propagation is persisted 10775 mSettings.writeAllUsersPackageRestrictionsLPr(); 10776 } 10777 // can downgrade to reader here 10778 if (writeSettings) { 10779 mSettings.writeLPr(); 10780 } 10781 } 10782 return true; 10783 } 10784 10785 private boolean deleteInstalledPackageLI(PackageSetting ps, 10786 boolean deleteCodeAndResources, int flags, 10787 int[] allUserHandles, boolean[] perUserInstalled, 10788 PackageRemovedInfo outInfo, boolean writeSettings) { 10789 if (outInfo != null) { 10790 outInfo.uid = ps.appId; 10791 } 10792 10793 // Delete package data from internal structures and also remove data if flag is set 10794 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10795 10796 // Delete application code and resources 10797 if (deleteCodeAndResources && (outInfo != null)) { 10798 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10799 ps.resourcePathString, ps.nativeLibraryPathString, 10800 getAppInstructionSetFromSettings(ps)); 10801 } 10802 return true; 10803 } 10804 10805 /* 10806 * This method handles package deletion in general 10807 */ 10808 private boolean deletePackageLI(String packageName, UserHandle user, 10809 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10810 int flags, PackageRemovedInfo outInfo, 10811 boolean writeSettings) { 10812 if (packageName == null) { 10813 Slog.w(TAG, "Attempt to delete null packageName."); 10814 return false; 10815 } 10816 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10817 PackageSetting ps; 10818 boolean dataOnly = false; 10819 int removeUser = -1; 10820 int appId = -1; 10821 synchronized (mPackages) { 10822 ps = mSettings.mPackages.get(packageName); 10823 if (ps == null) { 10824 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10825 return false; 10826 } 10827 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10828 && user.getIdentifier() != UserHandle.USER_ALL) { 10829 // The caller is asking that the package only be deleted for a single 10830 // user. To do this, we just mark its uninstalled state and delete 10831 // its data. If this is a system app, we only allow this to happen if 10832 // they have set the special DELETE_SYSTEM_APP which requests different 10833 // semantics than normal for uninstalling system apps. 10834 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10835 ps.setUserState(user.getIdentifier(), 10836 COMPONENT_ENABLED_STATE_DEFAULT, 10837 false, //installed 10838 true, //stopped 10839 true, //notLaunched 10840 false, //blocked 10841 null, null, null); 10842 if (!isSystemApp(ps)) { 10843 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10844 // Other user still have this package installed, so all 10845 // we need to do is clear this user's data and save that 10846 // it is uninstalled. 10847 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10848 removeUser = user.getIdentifier(); 10849 appId = ps.appId; 10850 mSettings.writePackageRestrictionsLPr(removeUser); 10851 } else { 10852 // We need to set it back to 'installed' so the uninstall 10853 // broadcasts will be sent correctly. 10854 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10855 ps.setInstalled(true, user.getIdentifier()); 10856 } 10857 } else { 10858 // This is a system app, so we assume that the 10859 // other users still have this package installed, so all 10860 // we need to do is clear this user's data and save that 10861 // it is uninstalled. 10862 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10863 removeUser = user.getIdentifier(); 10864 appId = ps.appId; 10865 mSettings.writePackageRestrictionsLPr(removeUser); 10866 } 10867 } 10868 } 10869 10870 if (removeUser >= 0) { 10871 // From above, we determined that we are deleting this only 10872 // for a single user. Continue the work here. 10873 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10874 if (outInfo != null) { 10875 outInfo.removedPackage = packageName; 10876 outInfo.removedAppId = appId; 10877 outInfo.removedUsers = new int[] {removeUser}; 10878 } 10879 mInstaller.clearUserData(packageName, removeUser); 10880 removeKeystoreDataIfNeeded(removeUser, appId); 10881 schedulePackageCleaning(packageName, removeUser, false); 10882 return true; 10883 } 10884 10885 if (dataOnly) { 10886 // Delete application data first 10887 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10888 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10889 return true; 10890 } 10891 10892 boolean ret = false; 10893 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10894 if (isSystemApp(ps)) { 10895 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10896 // When an updated system application is deleted we delete the existing resources as well and 10897 // fall back to existing code in system partition 10898 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10899 flags, outInfo, writeSettings); 10900 } else { 10901 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10902 // Kill application pre-emptively especially for apps on sd. 10903 killApplication(packageName, ps.appId, "uninstall pkg"); 10904 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10905 allUserHandles, perUserInstalled, 10906 outInfo, writeSettings); 10907 } 10908 10909 return ret; 10910 } 10911 10912 private final class ClearStorageConnection implements ServiceConnection { 10913 IMediaContainerService mContainerService; 10914 10915 @Override 10916 public void onServiceConnected(ComponentName name, IBinder service) { 10917 synchronized (this) { 10918 mContainerService = IMediaContainerService.Stub.asInterface(service); 10919 notifyAll(); 10920 } 10921 } 10922 10923 @Override 10924 public void onServiceDisconnected(ComponentName name) { 10925 } 10926 } 10927 10928 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10929 final boolean mounted; 10930 if (Environment.isExternalStorageEmulated()) { 10931 mounted = true; 10932 } else { 10933 final String status = Environment.getExternalStorageState(); 10934 10935 mounted = status.equals(Environment.MEDIA_MOUNTED) 10936 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10937 } 10938 10939 if (!mounted) { 10940 return; 10941 } 10942 10943 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10944 int[] users; 10945 if (userId == UserHandle.USER_ALL) { 10946 users = sUserManager.getUserIds(); 10947 } else { 10948 users = new int[] { userId }; 10949 } 10950 final ClearStorageConnection conn = new ClearStorageConnection(); 10951 if (mContext.bindServiceAsUser( 10952 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10953 try { 10954 for (int curUser : users) { 10955 long timeout = SystemClock.uptimeMillis() + 5000; 10956 synchronized (conn) { 10957 long now = SystemClock.uptimeMillis(); 10958 while (conn.mContainerService == null && now < timeout) { 10959 try { 10960 conn.wait(timeout - now); 10961 } catch (InterruptedException e) { 10962 } 10963 } 10964 } 10965 if (conn.mContainerService == null) { 10966 return; 10967 } 10968 10969 final UserEnvironment userEnv = new UserEnvironment(curUser); 10970 clearDirectory(conn.mContainerService, 10971 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10972 if (allData) { 10973 clearDirectory(conn.mContainerService, 10974 userEnv.buildExternalStorageAppDataDirs(packageName)); 10975 clearDirectory(conn.mContainerService, 10976 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10977 } 10978 } 10979 } finally { 10980 mContext.unbindService(conn); 10981 } 10982 } 10983 } 10984 10985 @Override 10986 public void clearApplicationUserData(final String packageName, 10987 final IPackageDataObserver observer, final int userId) { 10988 mContext.enforceCallingOrSelfPermission( 10989 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10990 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10991 // Queue up an async operation since the package deletion may take a little while. 10992 mHandler.post(new Runnable() { 10993 public void run() { 10994 mHandler.removeCallbacks(this); 10995 final boolean succeeded; 10996 synchronized (mInstallLock) { 10997 succeeded = clearApplicationUserDataLI(packageName, userId); 10998 } 10999 clearExternalStorageDataSync(packageName, userId, true); 11000 if (succeeded) { 11001 // invoke DeviceStorageMonitor's update method to clear any notifications 11002 DeviceStorageMonitorInternal 11003 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11004 if (dsm != null) { 11005 dsm.checkMemory(); 11006 } 11007 } 11008 if(observer != null) { 11009 try { 11010 observer.onRemoveCompleted(packageName, succeeded); 11011 } catch (RemoteException e) { 11012 Log.i(TAG, "Observer no longer exists."); 11013 } 11014 } //end if observer 11015 } //end run 11016 }); 11017 } 11018 11019 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11020 if (packageName == null) { 11021 Slog.w(TAG, "Attempt to delete null packageName."); 11022 return false; 11023 } 11024 PackageParser.Package p; 11025 boolean dataOnly = false; 11026 final int appId; 11027 synchronized (mPackages) { 11028 p = mPackages.get(packageName); 11029 if (p == null) { 11030 dataOnly = true; 11031 PackageSetting ps = mSettings.mPackages.get(packageName); 11032 if ((ps == null) || (ps.pkg == null)) { 11033 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11034 return false; 11035 } 11036 p = ps.pkg; 11037 } 11038 if (!dataOnly) { 11039 // need to check this only for fully installed applications 11040 if (p == null) { 11041 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11042 return false; 11043 } 11044 final ApplicationInfo applicationInfo = p.applicationInfo; 11045 if (applicationInfo == null) { 11046 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11047 return false; 11048 } 11049 } 11050 if (p != null && p.applicationInfo != null) { 11051 appId = p.applicationInfo.uid; 11052 } else { 11053 appId = -1; 11054 } 11055 } 11056 int retCode = mInstaller.clearUserData(packageName, userId); 11057 if (retCode < 0) { 11058 Slog.w(TAG, "Couldn't remove cache files for package: " 11059 + packageName); 11060 return false; 11061 } 11062 removeKeystoreDataIfNeeded(userId, appId); 11063 return true; 11064 } 11065 11066 /** 11067 * Remove entries from the keystore daemon. Will only remove it if the 11068 * {@code appId} is valid. 11069 */ 11070 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11071 if (appId < 0) { 11072 return; 11073 } 11074 11075 final KeyStore keyStore = KeyStore.getInstance(); 11076 if (keyStore != null) { 11077 if (userId == UserHandle.USER_ALL) { 11078 for (final int individual : sUserManager.getUserIds()) { 11079 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11080 } 11081 } else { 11082 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11083 } 11084 } else { 11085 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11086 } 11087 } 11088 11089 @Override 11090 public void deleteApplicationCacheFiles(final String packageName, 11091 final IPackageDataObserver observer) { 11092 mContext.enforceCallingOrSelfPermission( 11093 android.Manifest.permission.DELETE_CACHE_FILES, null); 11094 // Queue up an async operation since the package deletion may take a little while. 11095 final int userId = UserHandle.getCallingUserId(); 11096 mHandler.post(new Runnable() { 11097 public void run() { 11098 mHandler.removeCallbacks(this); 11099 final boolean succeded; 11100 synchronized (mInstallLock) { 11101 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11102 } 11103 clearExternalStorageDataSync(packageName, userId, false); 11104 if(observer != null) { 11105 try { 11106 observer.onRemoveCompleted(packageName, succeded); 11107 } catch (RemoteException e) { 11108 Log.i(TAG, "Observer no longer exists."); 11109 } 11110 } //end if observer 11111 } //end run 11112 }); 11113 } 11114 11115 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11116 if (packageName == null) { 11117 Slog.w(TAG, "Attempt to delete null packageName."); 11118 return false; 11119 } 11120 PackageParser.Package p; 11121 synchronized (mPackages) { 11122 p = mPackages.get(packageName); 11123 } 11124 if (p == null) { 11125 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11126 return false; 11127 } 11128 final ApplicationInfo applicationInfo = p.applicationInfo; 11129 if (applicationInfo == null) { 11130 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11131 return false; 11132 } 11133 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11134 if (retCode < 0) { 11135 Slog.w(TAG, "Couldn't remove cache files for package: " 11136 + packageName + " u" + userId); 11137 return false; 11138 } 11139 return true; 11140 } 11141 11142 @Override 11143 public void getPackageSizeInfo(final String packageName, int userHandle, 11144 final IPackageStatsObserver observer) { 11145 mContext.enforceCallingOrSelfPermission( 11146 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11147 if (packageName == null) { 11148 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11149 } 11150 11151 PackageStats stats = new PackageStats(packageName, userHandle); 11152 11153 /* 11154 * Queue up an async operation since the package measurement may take a 11155 * little while. 11156 */ 11157 Message msg = mHandler.obtainMessage(INIT_COPY); 11158 msg.obj = new MeasureParams(stats, observer); 11159 mHandler.sendMessage(msg); 11160 } 11161 11162 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11163 PackageStats pStats) { 11164 if (packageName == null) { 11165 Slog.w(TAG, "Attempt to get size of null packageName."); 11166 return false; 11167 } 11168 PackageParser.Package p; 11169 boolean dataOnly = false; 11170 String libDirPath = null; 11171 String asecPath = null; 11172 PackageSetting ps = null; 11173 synchronized (mPackages) { 11174 p = mPackages.get(packageName); 11175 ps = mSettings.mPackages.get(packageName); 11176 if(p == null) { 11177 dataOnly = true; 11178 if((ps == null) || (ps.pkg == null)) { 11179 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11180 return false; 11181 } 11182 p = ps.pkg; 11183 } 11184 if (ps != null) { 11185 libDirPath = ps.nativeLibraryPathString; 11186 } 11187 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11188 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11189 if (secureContainerId != null) { 11190 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11191 } 11192 } 11193 } 11194 String publicSrcDir = null; 11195 if(!dataOnly) { 11196 final ApplicationInfo applicationInfo = p.applicationInfo; 11197 if (applicationInfo == null) { 11198 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11199 return false; 11200 } 11201 if (isForwardLocked(p)) { 11202 publicSrcDir = applicationInfo.publicSourceDir; 11203 } 11204 } 11205 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11206 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11207 pStats); 11208 if (res < 0) { 11209 return false; 11210 } 11211 11212 // Fix-up for forward-locked applications in ASEC containers. 11213 if (!isExternal(p)) { 11214 pStats.codeSize += pStats.externalCodeSize; 11215 pStats.externalCodeSize = 0L; 11216 } 11217 11218 return true; 11219 } 11220 11221 11222 @Override 11223 public void addPackageToPreferred(String packageName) { 11224 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11225 } 11226 11227 @Override 11228 public void removePackageFromPreferred(String packageName) { 11229 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11230 } 11231 11232 @Override 11233 public List<PackageInfo> getPreferredPackages(int flags) { 11234 return new ArrayList<PackageInfo>(); 11235 } 11236 11237 private int getUidTargetSdkVersionLockedLPr(int uid) { 11238 Object obj = mSettings.getUserIdLPr(uid); 11239 if (obj instanceof SharedUserSetting) { 11240 final SharedUserSetting sus = (SharedUserSetting) obj; 11241 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11242 final Iterator<PackageSetting> it = sus.packages.iterator(); 11243 while (it.hasNext()) { 11244 final PackageSetting ps = it.next(); 11245 if (ps.pkg != null) { 11246 int v = ps.pkg.applicationInfo.targetSdkVersion; 11247 if (v < vers) vers = v; 11248 } 11249 } 11250 return vers; 11251 } else if (obj instanceof PackageSetting) { 11252 final PackageSetting ps = (PackageSetting) obj; 11253 if (ps.pkg != null) { 11254 return ps.pkg.applicationInfo.targetSdkVersion; 11255 } 11256 } 11257 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11258 } 11259 11260 @Override 11261 public void addPreferredActivity(IntentFilter filter, int match, 11262 ComponentName[] set, ComponentName activity, int userId) { 11263 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11264 } 11265 11266 private void addPreferredActivityInternal(IntentFilter filter, int match, 11267 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11268 // writer 11269 int callingUid = Binder.getCallingUid(); 11270 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11271 if (filter.countActions() == 0) { 11272 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11273 return; 11274 } 11275 synchronized (mPackages) { 11276 if (mContext.checkCallingOrSelfPermission( 11277 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11278 != PackageManager.PERMISSION_GRANTED) { 11279 if (getUidTargetSdkVersionLockedLPr(callingUid) 11280 < Build.VERSION_CODES.FROYO) { 11281 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11282 + callingUid); 11283 return; 11284 } 11285 mContext.enforceCallingOrSelfPermission( 11286 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11287 } 11288 11289 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11290 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11291 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11292 new PreferredActivity(filter, match, set, activity, always)); 11293 mSettings.writePackageRestrictionsLPr(userId); 11294 } 11295 } 11296 11297 @Override 11298 public void replacePreferredActivity(IntentFilter filter, int match, 11299 ComponentName[] set, ComponentName activity) { 11300 if (filter.countActions() != 1) { 11301 throw new IllegalArgumentException( 11302 "replacePreferredActivity expects filter to have only 1 action."); 11303 } 11304 if (filter.countDataAuthorities() != 0 11305 || filter.countDataPaths() != 0 11306 || filter.countDataSchemes() > 1 11307 || filter.countDataTypes() != 0) { 11308 throw new IllegalArgumentException( 11309 "replacePreferredActivity expects filter to have no data authorities, " + 11310 "paths, or types; and at most one scheme."); 11311 } 11312 synchronized (mPackages) { 11313 if (mContext.checkCallingOrSelfPermission( 11314 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11315 != PackageManager.PERMISSION_GRANTED) { 11316 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11317 < Build.VERSION_CODES.FROYO) { 11318 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11319 + Binder.getCallingUid()); 11320 return; 11321 } 11322 mContext.enforceCallingOrSelfPermission( 11323 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11324 } 11325 11326 final int callingUserId = UserHandle.getCallingUserId(); 11327 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11328 if (pir != null) { 11329 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11330 if (filter.countDataSchemes() == 1) { 11331 Uri.Builder builder = new Uri.Builder(); 11332 builder.scheme(filter.getDataScheme(0)); 11333 intent.setData(builder.build()); 11334 } 11335 List<PreferredActivity> matches = pir.queryIntent( 11336 intent, null, true, callingUserId); 11337 if (DEBUG_PREFERRED) { 11338 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11339 } 11340 for (int i = 0; i < matches.size(); i++) { 11341 PreferredActivity pa = matches.get(i); 11342 if (DEBUG_PREFERRED) { 11343 Slog.i(TAG, "Removing preferred activity " 11344 + pa.mPref.mComponent + ":"); 11345 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11346 } 11347 pir.removeFilter(pa); 11348 } 11349 } 11350 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11351 } 11352 } 11353 11354 @Override 11355 public void clearPackagePreferredActivities(String packageName) { 11356 final int uid = Binder.getCallingUid(); 11357 // writer 11358 synchronized (mPackages) { 11359 PackageParser.Package pkg = mPackages.get(packageName); 11360 if (pkg == null || pkg.applicationInfo.uid != uid) { 11361 if (mContext.checkCallingOrSelfPermission( 11362 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11363 != PackageManager.PERMISSION_GRANTED) { 11364 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11365 < Build.VERSION_CODES.FROYO) { 11366 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11367 + Binder.getCallingUid()); 11368 return; 11369 } 11370 mContext.enforceCallingOrSelfPermission( 11371 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11372 } 11373 } 11374 11375 int user = UserHandle.getCallingUserId(); 11376 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11377 mSettings.writePackageRestrictionsLPr(user); 11378 scheduleWriteSettingsLocked(); 11379 } 11380 } 11381 } 11382 11383 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11384 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11385 ArrayList<PreferredActivity> removed = null; 11386 boolean changed = false; 11387 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11388 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11389 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11390 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11391 continue; 11392 } 11393 Iterator<PreferredActivity> it = pir.filterIterator(); 11394 while (it.hasNext()) { 11395 PreferredActivity pa = it.next(); 11396 // Mark entry for removal only if it matches the package name 11397 // and the entry is of type "always". 11398 if (packageName == null || 11399 (pa.mPref.mComponent.getPackageName().equals(packageName) 11400 && pa.mPref.mAlways)) { 11401 if (removed == null) { 11402 removed = new ArrayList<PreferredActivity>(); 11403 } 11404 removed.add(pa); 11405 } 11406 } 11407 if (removed != null) { 11408 for (int j=0; j<removed.size(); j++) { 11409 PreferredActivity pa = removed.get(j); 11410 pir.removeFilter(pa); 11411 } 11412 changed = true; 11413 } 11414 } 11415 return changed; 11416 } 11417 11418 @Override 11419 public void resetPreferredActivities(int userId) { 11420 mContext.enforceCallingOrSelfPermission( 11421 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11422 // writer 11423 synchronized (mPackages) { 11424 int user = UserHandle.getCallingUserId(); 11425 clearPackagePreferredActivitiesLPw(null, user); 11426 mSettings.readDefaultPreferredAppsLPw(this, user); 11427 mSettings.writePackageRestrictionsLPr(user); 11428 scheduleWriteSettingsLocked(); 11429 } 11430 } 11431 11432 @Override 11433 public int getPreferredActivities(List<IntentFilter> outFilters, 11434 List<ComponentName> outActivities, String packageName) { 11435 11436 int num = 0; 11437 final int userId = UserHandle.getCallingUserId(); 11438 // reader 11439 synchronized (mPackages) { 11440 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11441 if (pir != null) { 11442 final Iterator<PreferredActivity> it = pir.filterIterator(); 11443 while (it.hasNext()) { 11444 final PreferredActivity pa = it.next(); 11445 if (packageName == null 11446 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11447 && pa.mPref.mAlways)) { 11448 if (outFilters != null) { 11449 outFilters.add(new IntentFilter(pa)); 11450 } 11451 if (outActivities != null) { 11452 outActivities.add(pa.mPref.mComponent); 11453 } 11454 } 11455 } 11456 } 11457 } 11458 11459 return num; 11460 } 11461 11462 @Override 11463 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11464 int userId) { 11465 int callingUid = Binder.getCallingUid(); 11466 if (callingUid != Process.SYSTEM_UID) { 11467 throw new SecurityException( 11468 "addPersistentPreferredActivity can only be run by the system"); 11469 } 11470 if (filter.countActions() == 0) { 11471 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11472 return; 11473 } 11474 synchronized (mPackages) { 11475 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11476 " :"); 11477 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11478 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11479 new PersistentPreferredActivity(filter, activity)); 11480 mSettings.writePackageRestrictionsLPr(userId); 11481 } 11482 } 11483 11484 @Override 11485 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11486 int callingUid = Binder.getCallingUid(); 11487 if (callingUid != Process.SYSTEM_UID) { 11488 throw new SecurityException( 11489 "clearPackagePersistentPreferredActivities can only be run by the system"); 11490 } 11491 ArrayList<PersistentPreferredActivity> removed = null; 11492 boolean changed = false; 11493 synchronized (mPackages) { 11494 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11495 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11496 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11497 .valueAt(i); 11498 if (userId != thisUserId) { 11499 continue; 11500 } 11501 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11502 while (it.hasNext()) { 11503 PersistentPreferredActivity ppa = it.next(); 11504 // Mark entry for removal only if it matches the package name. 11505 if (ppa.mComponent.getPackageName().equals(packageName)) { 11506 if (removed == null) { 11507 removed = new ArrayList<PersistentPreferredActivity>(); 11508 } 11509 removed.add(ppa); 11510 } 11511 } 11512 if (removed != null) { 11513 for (int j=0; j<removed.size(); j++) { 11514 PersistentPreferredActivity ppa = removed.get(j); 11515 ppir.removeFilter(ppa); 11516 } 11517 changed = true; 11518 } 11519 } 11520 11521 if (changed) { 11522 mSettings.writePackageRestrictionsLPr(userId); 11523 } 11524 } 11525 } 11526 11527 @Override 11528 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11529 int targetUserId, int flags) { 11530 mContext.enforceCallingOrSelfPermission( 11531 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11532 if (intentFilter.countActions() == 0) { 11533 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11534 return; 11535 } 11536 synchronized (mPackages) { 11537 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11538 targetUserId, flags); 11539 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11540 mSettings.writePackageRestrictionsLPr(sourceUserId); 11541 } 11542 } 11543 11544 public void addCrossProfileIntentsForPackage(String packageName, 11545 int sourceUserId, int targetUserId) { 11546 mContext.enforceCallingOrSelfPermission( 11547 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11548 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11549 mSettings.writePackageRestrictionsLPr(sourceUserId); 11550 } 11551 11552 public void removeCrossProfileIntentsForPackage(String packageName, 11553 int sourceUserId, int targetUserId) { 11554 mContext.enforceCallingOrSelfPermission( 11555 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11556 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11557 mSettings.writePackageRestrictionsLPr(sourceUserId); 11558 } 11559 11560 @Override 11561 public void clearCrossProfileIntentFilters(int sourceUserId) { 11562 mContext.enforceCallingOrSelfPermission( 11563 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11564 synchronized (mPackages) { 11565 CrossProfileIntentResolver resolver = 11566 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11567 HashSet<CrossProfileIntentFilter> set = 11568 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11569 for (CrossProfileIntentFilter filter : set) { 11570 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11571 resolver.removeFilter(filter); 11572 } 11573 } 11574 mSettings.writePackageRestrictionsLPr(sourceUserId); 11575 } 11576 } 11577 11578 @Override 11579 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11580 Intent intent = new Intent(Intent.ACTION_MAIN); 11581 intent.addCategory(Intent.CATEGORY_HOME); 11582 11583 final int callingUserId = UserHandle.getCallingUserId(); 11584 List<ResolveInfo> list = queryIntentActivities(intent, null, 11585 PackageManager.GET_META_DATA, callingUserId); 11586 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11587 true, false, false, callingUserId); 11588 11589 allHomeCandidates.clear(); 11590 if (list != null) { 11591 for (ResolveInfo ri : list) { 11592 allHomeCandidates.add(ri); 11593 } 11594 } 11595 return (preferred == null || preferred.activityInfo == null) 11596 ? null 11597 : new ComponentName(preferred.activityInfo.packageName, 11598 preferred.activityInfo.name); 11599 } 11600 11601 @Override 11602 public void setApplicationEnabledSetting(String appPackageName, 11603 int newState, int flags, int userId, String callingPackage) { 11604 if (!sUserManager.exists(userId)) return; 11605 if (callingPackage == null) { 11606 callingPackage = Integer.toString(Binder.getCallingUid()); 11607 } 11608 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11609 } 11610 11611 @Override 11612 public void setComponentEnabledSetting(ComponentName componentName, 11613 int newState, int flags, int userId) { 11614 if (!sUserManager.exists(userId)) return; 11615 setEnabledSetting(componentName.getPackageName(), 11616 componentName.getClassName(), newState, flags, userId, null); 11617 } 11618 11619 private void setEnabledSetting(final String packageName, String className, int newState, 11620 final int flags, int userId, String callingPackage) { 11621 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11622 || newState == COMPONENT_ENABLED_STATE_ENABLED 11623 || newState == COMPONENT_ENABLED_STATE_DISABLED 11624 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11625 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11626 throw new IllegalArgumentException("Invalid new component state: " 11627 + newState); 11628 } 11629 PackageSetting pkgSetting; 11630 final int uid = Binder.getCallingUid(); 11631 final int permission = mContext.checkCallingOrSelfPermission( 11632 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11633 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11634 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11635 boolean sendNow = false; 11636 boolean isApp = (className == null); 11637 String componentName = isApp ? packageName : className; 11638 int packageUid = -1; 11639 ArrayList<String> components; 11640 11641 // writer 11642 synchronized (mPackages) { 11643 pkgSetting = mSettings.mPackages.get(packageName); 11644 if (pkgSetting == null) { 11645 if (className == null) { 11646 throw new IllegalArgumentException( 11647 "Unknown package: " + packageName); 11648 } 11649 throw new IllegalArgumentException( 11650 "Unknown component: " + packageName 11651 + "/" + className); 11652 } 11653 // Allow root and verify that userId is not being specified by a different user 11654 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11655 throw new SecurityException( 11656 "Permission Denial: attempt to change component state from pid=" 11657 + Binder.getCallingPid() 11658 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11659 } 11660 if (className == null) { 11661 // We're dealing with an application/package level state change 11662 if (pkgSetting.getEnabled(userId) == newState) { 11663 // Nothing to do 11664 return; 11665 } 11666 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11667 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11668 // Don't care about who enables an app. 11669 callingPackage = null; 11670 } 11671 pkgSetting.setEnabled(newState, userId, callingPackage); 11672 // pkgSetting.pkg.mSetEnabled = newState; 11673 } else { 11674 // We're dealing with a component level state change 11675 // First, verify that this is a valid class name. 11676 PackageParser.Package pkg = pkgSetting.pkg; 11677 if (pkg == null || !pkg.hasComponentClassName(className)) { 11678 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11679 throw new IllegalArgumentException("Component class " + className 11680 + " does not exist in " + packageName); 11681 } else { 11682 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11683 + className + " does not exist in " + packageName); 11684 } 11685 } 11686 switch (newState) { 11687 case COMPONENT_ENABLED_STATE_ENABLED: 11688 if (!pkgSetting.enableComponentLPw(className, userId)) { 11689 return; 11690 } 11691 break; 11692 case COMPONENT_ENABLED_STATE_DISABLED: 11693 if (!pkgSetting.disableComponentLPw(className, userId)) { 11694 return; 11695 } 11696 break; 11697 case COMPONENT_ENABLED_STATE_DEFAULT: 11698 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11699 return; 11700 } 11701 break; 11702 default: 11703 Slog.e(TAG, "Invalid new component state: " + newState); 11704 return; 11705 } 11706 } 11707 mSettings.writePackageRestrictionsLPr(userId); 11708 components = mPendingBroadcasts.get(userId, packageName); 11709 final boolean newPackage = components == null; 11710 if (newPackage) { 11711 components = new ArrayList<String>(); 11712 } 11713 if (!components.contains(componentName)) { 11714 components.add(componentName); 11715 } 11716 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11717 sendNow = true; 11718 // Purge entry from pending broadcast list if another one exists already 11719 // since we are sending one right away. 11720 mPendingBroadcasts.remove(userId, packageName); 11721 } else { 11722 if (newPackage) { 11723 mPendingBroadcasts.put(userId, packageName, components); 11724 } 11725 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11726 // Schedule a message 11727 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11728 } 11729 } 11730 } 11731 11732 long callingId = Binder.clearCallingIdentity(); 11733 try { 11734 if (sendNow) { 11735 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11736 sendPackageChangedBroadcast(packageName, 11737 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11738 } 11739 } finally { 11740 Binder.restoreCallingIdentity(callingId); 11741 } 11742 } 11743 11744 private void sendPackageChangedBroadcast(String packageName, 11745 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11746 if (DEBUG_INSTALL) 11747 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11748 + componentNames); 11749 Bundle extras = new Bundle(4); 11750 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11751 String nameList[] = new String[componentNames.size()]; 11752 componentNames.toArray(nameList); 11753 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11754 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11755 extras.putInt(Intent.EXTRA_UID, packageUid); 11756 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11757 new int[] {UserHandle.getUserId(packageUid)}); 11758 } 11759 11760 @Override 11761 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11762 if (!sUserManager.exists(userId)) return; 11763 final int uid = Binder.getCallingUid(); 11764 final int permission = mContext.checkCallingOrSelfPermission( 11765 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11766 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11767 enforceCrossUserPermission(uid, userId, true, "stop package"); 11768 // writer 11769 synchronized (mPackages) { 11770 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11771 uid, userId)) { 11772 scheduleWritePackageRestrictionsLocked(userId); 11773 } 11774 } 11775 } 11776 11777 @Override 11778 public String getInstallerPackageName(String packageName) { 11779 // reader 11780 synchronized (mPackages) { 11781 return mSettings.getInstallerPackageNameLPr(packageName); 11782 } 11783 } 11784 11785 @Override 11786 public int getApplicationEnabledSetting(String packageName, int userId) { 11787 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11788 int uid = Binder.getCallingUid(); 11789 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11790 // reader 11791 synchronized (mPackages) { 11792 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11793 } 11794 } 11795 11796 @Override 11797 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11798 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11799 int uid = Binder.getCallingUid(); 11800 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11801 // reader 11802 synchronized (mPackages) { 11803 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11804 } 11805 } 11806 11807 @Override 11808 public void enterSafeMode() { 11809 enforceSystemOrRoot("Only the system can request entering safe mode"); 11810 11811 if (!mSystemReady) { 11812 mSafeMode = true; 11813 } 11814 } 11815 11816 @Override 11817 public void systemReady() { 11818 mSystemReady = true; 11819 11820 // Read the compatibilty setting when the system is ready. 11821 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11822 mContext.getContentResolver(), 11823 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11824 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11825 if (DEBUG_SETTINGS) { 11826 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11827 } 11828 11829 synchronized (mPackages) { 11830 // Verify that all of the preferred activity components actually 11831 // exist. It is possible for applications to be updated and at 11832 // that point remove a previously declared activity component that 11833 // had been set as a preferred activity. We try to clean this up 11834 // the next time we encounter that preferred activity, but it is 11835 // possible for the user flow to never be able to return to that 11836 // situation so here we do a sanity check to make sure we haven't 11837 // left any junk around. 11838 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11839 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11840 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11841 removed.clear(); 11842 for (PreferredActivity pa : pir.filterSet()) { 11843 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11844 removed.add(pa); 11845 } 11846 } 11847 if (removed.size() > 0) { 11848 for (int r=0; r<removed.size(); r++) { 11849 PreferredActivity pa = removed.get(r); 11850 Slog.w(TAG, "Removing dangling preferred activity: " 11851 + pa.mPref.mComponent); 11852 pir.removeFilter(pa); 11853 } 11854 mSettings.writePackageRestrictionsLPr( 11855 mSettings.mPreferredActivities.keyAt(i)); 11856 } 11857 } 11858 } 11859 sUserManager.systemReady(); 11860 } 11861 11862 @Override 11863 public boolean isSafeMode() { 11864 return mSafeMode; 11865 } 11866 11867 @Override 11868 public boolean hasSystemUidErrors() { 11869 return mHasSystemUidErrors; 11870 } 11871 11872 static String arrayToString(int[] array) { 11873 StringBuffer buf = new StringBuffer(128); 11874 buf.append('['); 11875 if (array != null) { 11876 for (int i=0; i<array.length; i++) { 11877 if (i > 0) buf.append(", "); 11878 buf.append(array[i]); 11879 } 11880 } 11881 buf.append(']'); 11882 return buf.toString(); 11883 } 11884 11885 static class DumpState { 11886 public static final int DUMP_LIBS = 1 << 0; 11887 11888 public static final int DUMP_FEATURES = 1 << 1; 11889 11890 public static final int DUMP_RESOLVERS = 1 << 2; 11891 11892 public static final int DUMP_PERMISSIONS = 1 << 3; 11893 11894 public static final int DUMP_PACKAGES = 1 << 4; 11895 11896 public static final int DUMP_SHARED_USERS = 1 << 5; 11897 11898 public static final int DUMP_MESSAGES = 1 << 6; 11899 11900 public static final int DUMP_PROVIDERS = 1 << 7; 11901 11902 public static final int DUMP_VERIFIERS = 1 << 8; 11903 11904 public static final int DUMP_PREFERRED = 1 << 9; 11905 11906 public static final int DUMP_PREFERRED_XML = 1 << 10; 11907 11908 public static final int DUMP_KEYSETS = 1 << 11; 11909 11910 public static final int DUMP_VERSION = 1 << 12; 11911 11912 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11913 11914 private int mTypes; 11915 11916 private int mOptions; 11917 11918 private boolean mTitlePrinted; 11919 11920 private SharedUserSetting mSharedUser; 11921 11922 public boolean isDumping(int type) { 11923 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11924 return true; 11925 } 11926 11927 return (mTypes & type) != 0; 11928 } 11929 11930 public void setDump(int type) { 11931 mTypes |= type; 11932 } 11933 11934 public boolean isOptionEnabled(int option) { 11935 return (mOptions & option) != 0; 11936 } 11937 11938 public void setOptionEnabled(int option) { 11939 mOptions |= option; 11940 } 11941 11942 public boolean onTitlePrinted() { 11943 final boolean printed = mTitlePrinted; 11944 mTitlePrinted = true; 11945 return printed; 11946 } 11947 11948 public boolean getTitlePrinted() { 11949 return mTitlePrinted; 11950 } 11951 11952 public void setTitlePrinted(boolean enabled) { 11953 mTitlePrinted = enabled; 11954 } 11955 11956 public SharedUserSetting getSharedUser() { 11957 return mSharedUser; 11958 } 11959 11960 public void setSharedUser(SharedUserSetting user) { 11961 mSharedUser = user; 11962 } 11963 } 11964 11965 @Override 11966 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11967 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11968 != PackageManager.PERMISSION_GRANTED) { 11969 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11970 + Binder.getCallingPid() 11971 + ", uid=" + Binder.getCallingUid() 11972 + " without permission " 11973 + android.Manifest.permission.DUMP); 11974 return; 11975 } 11976 11977 DumpState dumpState = new DumpState(); 11978 boolean fullPreferred = false; 11979 boolean checkin = false; 11980 11981 String packageName = null; 11982 11983 int opti = 0; 11984 while (opti < args.length) { 11985 String opt = args[opti]; 11986 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11987 break; 11988 } 11989 opti++; 11990 if ("-a".equals(opt)) { 11991 // Right now we only know how to print all. 11992 } else if ("-h".equals(opt)) { 11993 pw.println("Package manager dump options:"); 11994 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11995 pw.println(" --checkin: dump for a checkin"); 11996 pw.println(" -f: print details of intent filters"); 11997 pw.println(" -h: print this help"); 11998 pw.println(" cmd may be one of:"); 11999 pw.println(" l[ibraries]: list known shared libraries"); 12000 pw.println(" f[ibraries]: list device features"); 12001 pw.println(" k[eysets]: print known keysets"); 12002 pw.println(" r[esolvers]: dump intent resolvers"); 12003 pw.println(" perm[issions]: dump permissions"); 12004 pw.println(" pref[erred]: print preferred package settings"); 12005 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12006 pw.println(" prov[iders]: dump content providers"); 12007 pw.println(" p[ackages]: dump installed packages"); 12008 pw.println(" s[hared-users]: dump shared user IDs"); 12009 pw.println(" m[essages]: print collected runtime messages"); 12010 pw.println(" v[erifiers]: print package verifier info"); 12011 pw.println(" version: print database version info"); 12012 pw.println(" write: write current settings now"); 12013 pw.println(" <package.name>: info about given package"); 12014 return; 12015 } else if ("--checkin".equals(opt)) { 12016 checkin = true; 12017 } else if ("-f".equals(opt)) { 12018 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12019 } else { 12020 pw.println("Unknown argument: " + opt + "; use -h for help"); 12021 } 12022 } 12023 12024 // Is the caller requesting to dump a particular piece of data? 12025 if (opti < args.length) { 12026 String cmd = args[opti]; 12027 opti++; 12028 // Is this a package name? 12029 if ("android".equals(cmd) || cmd.contains(".")) { 12030 packageName = cmd; 12031 // When dumping a single package, we always dump all of its 12032 // filter information since the amount of data will be reasonable. 12033 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12034 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12035 dumpState.setDump(DumpState.DUMP_LIBS); 12036 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12037 dumpState.setDump(DumpState.DUMP_FEATURES); 12038 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12039 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12040 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12041 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12042 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12043 dumpState.setDump(DumpState.DUMP_PREFERRED); 12044 } else if ("preferred-xml".equals(cmd)) { 12045 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12046 if (opti < args.length && "--full".equals(args[opti])) { 12047 fullPreferred = true; 12048 opti++; 12049 } 12050 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12051 dumpState.setDump(DumpState.DUMP_PACKAGES); 12052 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12053 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12054 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12055 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12056 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12057 dumpState.setDump(DumpState.DUMP_MESSAGES); 12058 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12059 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12060 } else if ("version".equals(cmd)) { 12061 dumpState.setDump(DumpState.DUMP_VERSION); 12062 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12063 dumpState.setDump(DumpState.DUMP_KEYSETS); 12064 } else if ("write".equals(cmd)) { 12065 synchronized (mPackages) { 12066 mSettings.writeLPr(); 12067 pw.println("Settings written."); 12068 return; 12069 } 12070 } 12071 } 12072 12073 if (checkin) { 12074 pw.println("vers,1"); 12075 } 12076 12077 // reader 12078 synchronized (mPackages) { 12079 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12080 if (!checkin) { 12081 if (dumpState.onTitlePrinted()) 12082 pw.println(); 12083 pw.println("Database versions:"); 12084 pw.print(" SDK Version:"); 12085 pw.print(" internal="); 12086 pw.print(mSettings.mInternalSdkPlatform); 12087 pw.print(" external="); 12088 pw.println(mSettings.mExternalSdkPlatform); 12089 pw.print(" DB Version:"); 12090 pw.print(" internal="); 12091 pw.print(mSettings.mInternalDatabaseVersion); 12092 pw.print(" external="); 12093 pw.println(mSettings.mExternalDatabaseVersion); 12094 } 12095 } 12096 12097 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12098 if (!checkin) { 12099 if (dumpState.onTitlePrinted()) 12100 pw.println(); 12101 pw.println("Verifiers:"); 12102 pw.print(" Required: "); 12103 pw.print(mRequiredVerifierPackage); 12104 pw.print(" (uid="); 12105 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12106 pw.println(")"); 12107 } else if (mRequiredVerifierPackage != null) { 12108 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12109 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12110 } 12111 } 12112 12113 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12114 boolean printedHeader = false; 12115 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12116 while (it.hasNext()) { 12117 String name = it.next(); 12118 SharedLibraryEntry ent = mSharedLibraries.get(name); 12119 if (!checkin) { 12120 if (!printedHeader) { 12121 if (dumpState.onTitlePrinted()) 12122 pw.println(); 12123 pw.println("Libraries:"); 12124 printedHeader = true; 12125 } 12126 pw.print(" "); 12127 } else { 12128 pw.print("lib,"); 12129 } 12130 pw.print(name); 12131 if (!checkin) { 12132 pw.print(" -> "); 12133 } 12134 if (ent.path != null) { 12135 if (!checkin) { 12136 pw.print("(jar) "); 12137 pw.print(ent.path); 12138 } else { 12139 pw.print(",jar,"); 12140 pw.print(ent.path); 12141 } 12142 } else { 12143 if (!checkin) { 12144 pw.print("(apk) "); 12145 pw.print(ent.apk); 12146 } else { 12147 pw.print(",apk,"); 12148 pw.print(ent.apk); 12149 } 12150 } 12151 pw.println(); 12152 } 12153 } 12154 12155 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12156 if (dumpState.onTitlePrinted()) 12157 pw.println(); 12158 if (!checkin) { 12159 pw.println("Features:"); 12160 } 12161 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12162 while (it.hasNext()) { 12163 String name = it.next(); 12164 if (!checkin) { 12165 pw.print(" "); 12166 } else { 12167 pw.print("feat,"); 12168 } 12169 pw.println(name); 12170 } 12171 } 12172 12173 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12174 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12175 : "Activity Resolver Table:", " ", packageName, 12176 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12177 dumpState.setTitlePrinted(true); 12178 } 12179 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12180 : "Receiver Resolver Table:", " ", packageName, 12181 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12182 dumpState.setTitlePrinted(true); 12183 } 12184 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12185 : "Service Resolver Table:", " ", packageName, 12186 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12187 dumpState.setTitlePrinted(true); 12188 } 12189 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12190 : "Provider Resolver Table:", " ", packageName, 12191 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12192 dumpState.setTitlePrinted(true); 12193 } 12194 } 12195 12196 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12197 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12198 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12199 int user = mSettings.mPreferredActivities.keyAt(i); 12200 if (pir.dump(pw, 12201 dumpState.getTitlePrinted() 12202 ? "\nPreferred Activities User " + user + ":" 12203 : "Preferred Activities User " + user + ":", " ", 12204 packageName, true)) { 12205 dumpState.setTitlePrinted(true); 12206 } 12207 } 12208 } 12209 12210 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12211 pw.flush(); 12212 FileOutputStream fout = new FileOutputStream(fd); 12213 BufferedOutputStream str = new BufferedOutputStream(fout); 12214 XmlSerializer serializer = new FastXmlSerializer(); 12215 try { 12216 serializer.setOutput(str, "utf-8"); 12217 serializer.startDocument(null, true); 12218 serializer.setFeature( 12219 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12220 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12221 serializer.endDocument(); 12222 serializer.flush(); 12223 } catch (IllegalArgumentException e) { 12224 pw.println("Failed writing: " + e); 12225 } catch (IllegalStateException e) { 12226 pw.println("Failed writing: " + e); 12227 } catch (IOException e) { 12228 pw.println("Failed writing: " + e); 12229 } 12230 } 12231 12232 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12233 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12234 } 12235 12236 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12237 boolean printedSomething = false; 12238 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12239 if (packageName != null && !packageName.equals(p.info.packageName)) { 12240 continue; 12241 } 12242 if (!printedSomething) { 12243 if (dumpState.onTitlePrinted()) 12244 pw.println(); 12245 pw.println("Registered ContentProviders:"); 12246 printedSomething = true; 12247 } 12248 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12249 pw.print(" "); pw.println(p.toString()); 12250 } 12251 printedSomething = false; 12252 for (Map.Entry<String, PackageParser.Provider> entry : 12253 mProvidersByAuthority.entrySet()) { 12254 PackageParser.Provider p = entry.getValue(); 12255 if (packageName != null && !packageName.equals(p.info.packageName)) { 12256 continue; 12257 } 12258 if (!printedSomething) { 12259 if (dumpState.onTitlePrinted()) 12260 pw.println(); 12261 pw.println("ContentProvider Authorities:"); 12262 printedSomething = true; 12263 } 12264 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12265 pw.print(" "); pw.println(p.toString()); 12266 if (p.info != null && p.info.applicationInfo != null) { 12267 final String appInfo = p.info.applicationInfo.toString(); 12268 pw.print(" applicationInfo="); pw.println(appInfo); 12269 } 12270 } 12271 } 12272 12273 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12274 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12275 } 12276 12277 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12278 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12279 } 12280 12281 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12282 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12283 } 12284 12285 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12286 if (dumpState.onTitlePrinted()) 12287 pw.println(); 12288 mSettings.dumpReadMessagesLPr(pw, dumpState); 12289 12290 pw.println(); 12291 pw.println("Package warning messages:"); 12292 final File fname = getSettingsProblemFile(); 12293 FileInputStream in = null; 12294 try { 12295 in = new FileInputStream(fname); 12296 final int avail = in.available(); 12297 final byte[] data = new byte[avail]; 12298 in.read(data); 12299 pw.print(new String(data)); 12300 } catch (FileNotFoundException e) { 12301 } catch (IOException e) { 12302 } finally { 12303 if (in != null) { 12304 try { 12305 in.close(); 12306 } catch (IOException e) { 12307 } 12308 } 12309 } 12310 } 12311 } 12312 } 12313 12314 // ------- apps on sdcard specific code ------- 12315 static final boolean DEBUG_SD_INSTALL = false; 12316 12317 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12318 12319 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12320 12321 private boolean mMediaMounted = false; 12322 12323 private String getEncryptKey() { 12324 try { 12325 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12326 SD_ENCRYPTION_KEYSTORE_NAME); 12327 if (sdEncKey == null) { 12328 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12329 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12330 if (sdEncKey == null) { 12331 Slog.e(TAG, "Failed to create encryption keys"); 12332 return null; 12333 } 12334 } 12335 return sdEncKey; 12336 } catch (NoSuchAlgorithmException nsae) { 12337 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12338 return null; 12339 } catch (IOException ioe) { 12340 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12341 return null; 12342 } 12343 12344 } 12345 12346 /* package */static String getTempContainerId() { 12347 int tmpIdx = 1; 12348 String list[] = PackageHelper.getSecureContainerList(); 12349 if (list != null) { 12350 for (final String name : list) { 12351 // Ignore null and non-temporary container entries 12352 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12353 continue; 12354 } 12355 12356 String subStr = name.substring(mTempContainerPrefix.length()); 12357 try { 12358 int cid = Integer.parseInt(subStr); 12359 if (cid >= tmpIdx) { 12360 tmpIdx = cid + 1; 12361 } 12362 } catch (NumberFormatException e) { 12363 } 12364 } 12365 } 12366 return mTempContainerPrefix + tmpIdx; 12367 } 12368 12369 /* 12370 * Update media status on PackageManager. 12371 */ 12372 @Override 12373 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12374 int callingUid = Binder.getCallingUid(); 12375 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12376 throw new SecurityException("Media status can only be updated by the system"); 12377 } 12378 // reader; this apparently protects mMediaMounted, but should probably 12379 // be a different lock in that case. 12380 synchronized (mPackages) { 12381 Log.i(TAG, "Updating external media status from " 12382 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12383 + (mediaStatus ? "mounted" : "unmounted")); 12384 if (DEBUG_SD_INSTALL) 12385 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12386 + ", mMediaMounted=" + mMediaMounted); 12387 if (mediaStatus == mMediaMounted) { 12388 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12389 : 0, -1); 12390 mHandler.sendMessage(msg); 12391 return; 12392 } 12393 mMediaMounted = mediaStatus; 12394 } 12395 // Queue up an async operation since the package installation may take a 12396 // little while. 12397 mHandler.post(new Runnable() { 12398 public void run() { 12399 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12400 } 12401 }); 12402 } 12403 12404 /** 12405 * Called by MountService when the initial ASECs to scan are available. 12406 * Should block until all the ASEC containers are finished being scanned. 12407 */ 12408 public void scanAvailableAsecs() { 12409 updateExternalMediaStatusInner(true, false, false); 12410 if (mShouldRestoreconData) { 12411 SELinuxMMAC.setRestoreconDone(); 12412 mShouldRestoreconData = false; 12413 } 12414 } 12415 12416 /* 12417 * Collect information of applications on external media, map them against 12418 * existing containers and update information based on current mount status. 12419 * Please note that we always have to report status if reportStatus has been 12420 * set to true especially when unloading packages. 12421 */ 12422 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12423 boolean externalStorage) { 12424 // Collection of uids 12425 int uidArr[] = null; 12426 // Collection of stale containers 12427 HashSet<String> removeCids = new HashSet<String>(); 12428 // Collection of packages on external media with valid containers. 12429 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12430 // Get list of secure containers. 12431 final String list[] = PackageHelper.getSecureContainerList(); 12432 if (list == null || list.length == 0) { 12433 Log.i(TAG, "No secure containers on sdcard"); 12434 } else { 12435 // Process list of secure containers and categorize them 12436 // as active or stale based on their package internal state. 12437 int uidList[] = new int[list.length]; 12438 int num = 0; 12439 // reader 12440 synchronized (mPackages) { 12441 for (String cid : list) { 12442 if (DEBUG_SD_INSTALL) 12443 Log.i(TAG, "Processing container " + cid); 12444 String pkgName = getAsecPackageName(cid); 12445 if (pkgName == null) { 12446 if (DEBUG_SD_INSTALL) 12447 Log.i(TAG, "Container : " + cid + " stale"); 12448 removeCids.add(cid); 12449 continue; 12450 } 12451 if (DEBUG_SD_INSTALL) 12452 Log.i(TAG, "Looking for pkg : " + pkgName); 12453 12454 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12455 if (ps == null) { 12456 Log.i(TAG, "Deleting container with no matching settings " + cid); 12457 removeCids.add(cid); 12458 continue; 12459 } 12460 12461 /* 12462 * Skip packages that are not external if we're unmounting 12463 * external storage. 12464 */ 12465 if (externalStorage && !isMounted && !isExternal(ps)) { 12466 continue; 12467 } 12468 12469 final AsecInstallArgs args = new AsecInstallArgs(cid, 12470 getAppInstructionSetFromSettings(ps), 12471 isForwardLocked(ps)); 12472 // The package status is changed only if the code path 12473 // matches between settings and the container id. 12474 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12475 if (DEBUG_SD_INSTALL) { 12476 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12477 + " at code path: " + ps.codePathString); 12478 } 12479 12480 // We do have a valid package installed on sdcard 12481 processCids.put(args, ps.codePathString); 12482 final int uid = ps.appId; 12483 if (uid != -1) { 12484 uidList[num++] = uid; 12485 } 12486 } else { 12487 Log.i(TAG, "Deleting stale container for " + cid); 12488 removeCids.add(cid); 12489 } 12490 } 12491 } 12492 12493 if (num > 0) { 12494 // Sort uid list 12495 Arrays.sort(uidList, 0, num); 12496 // Throw away duplicates 12497 uidArr = new int[num]; 12498 uidArr[0] = uidList[0]; 12499 int di = 0; 12500 for (int i = 1; i < num; i++) { 12501 if (uidList[i - 1] != uidList[i]) { 12502 uidArr[di++] = uidList[i]; 12503 } 12504 } 12505 } 12506 } 12507 // Process packages with valid entries. 12508 if (isMounted) { 12509 if (DEBUG_SD_INSTALL) 12510 Log.i(TAG, "Loading packages"); 12511 loadMediaPackages(processCids, uidArr, removeCids); 12512 startCleaningPackages(); 12513 } else { 12514 if (DEBUG_SD_INSTALL) 12515 Log.i(TAG, "Unloading packages"); 12516 unloadMediaPackages(processCids, uidArr, reportStatus); 12517 } 12518 } 12519 12520 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12521 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12522 int size = pkgList.size(); 12523 if (size > 0) { 12524 // Send broadcasts here 12525 Bundle extras = new Bundle(); 12526 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12527 .toArray(new String[size])); 12528 if (uidArr != null) { 12529 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12530 } 12531 if (replacing) { 12532 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12533 } 12534 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12535 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12536 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12537 } 12538 } 12539 12540 /* 12541 * Look at potentially valid container ids from processCids If package 12542 * information doesn't match the one on record or package scanning fails, 12543 * the cid is added to list of removeCids. We currently don't delete stale 12544 * containers. 12545 */ 12546 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12547 HashSet<String> removeCids) { 12548 ArrayList<String> pkgList = new ArrayList<String>(); 12549 Set<AsecInstallArgs> keys = processCids.keySet(); 12550 boolean doGc = false; 12551 for (AsecInstallArgs args : keys) { 12552 String codePath = processCids.get(args); 12553 if (DEBUG_SD_INSTALL) 12554 Log.i(TAG, "Loading container : " + args.cid); 12555 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12556 try { 12557 // Make sure there are no container errors first. 12558 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12559 Slog.e(TAG, "Failed to mount cid : " + args.cid 12560 + " when installing from sdcard"); 12561 continue; 12562 } 12563 // Check code path here. 12564 if (codePath == null || !codePath.equals(args.getCodePath())) { 12565 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12566 + " does not match one in settings " + codePath); 12567 continue; 12568 } 12569 // Parse package 12570 int parseFlags = mDefParseFlags; 12571 if (args.isExternal()) { 12572 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12573 } 12574 if (args.isFwdLocked()) { 12575 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12576 } 12577 12578 doGc = true; 12579 synchronized (mInstallLock) { 12580 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12581 0, 0, null, null); 12582 // Scan the package 12583 if (pkg != null) { 12584 /* 12585 * TODO why is the lock being held? doPostInstall is 12586 * called in other places without the lock. This needs 12587 * to be straightened out. 12588 */ 12589 // writer 12590 synchronized (mPackages) { 12591 retCode = PackageManager.INSTALL_SUCCEEDED; 12592 pkgList.add(pkg.packageName); 12593 // Post process args 12594 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12595 pkg.applicationInfo.uid); 12596 } 12597 } else { 12598 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12599 } 12600 } 12601 12602 } finally { 12603 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12604 // Don't destroy container here. Wait till gc clears things 12605 // up. 12606 removeCids.add(args.cid); 12607 } 12608 } 12609 } 12610 // writer 12611 synchronized (mPackages) { 12612 // If the platform SDK has changed since the last time we booted, 12613 // we need to re-grant app permission to catch any new ones that 12614 // appear. This is really a hack, and means that apps can in some 12615 // cases get permissions that the user didn't initially explicitly 12616 // allow... it would be nice to have some better way to handle 12617 // this situation. 12618 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12619 if (regrantPermissions) 12620 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12621 + mSdkVersion + "; regranting permissions for external storage"); 12622 mSettings.mExternalSdkPlatform = mSdkVersion; 12623 12624 // Make sure group IDs have been assigned, and any permission 12625 // changes in other apps are accounted for 12626 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12627 | (regrantPermissions 12628 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12629 : 0)); 12630 12631 mSettings.updateExternalDatabaseVersion(); 12632 12633 // can downgrade to reader 12634 // Persist settings 12635 mSettings.writeLPr(); 12636 } 12637 // Send a broadcast to let everyone know we are done processing 12638 if (pkgList.size() > 0) { 12639 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12640 } 12641 // Force gc to avoid any stale parser references that we might have. 12642 if (doGc) { 12643 Runtime.getRuntime().gc(); 12644 } 12645 // List stale containers and destroy stale temporary containers. 12646 if (removeCids != null) { 12647 for (String cid : removeCids) { 12648 if (cid.startsWith(mTempContainerPrefix)) { 12649 Log.i(TAG, "Destroying stale temporary container " + cid); 12650 PackageHelper.destroySdDir(cid); 12651 } else { 12652 Log.w(TAG, "Container " + cid + " is stale"); 12653 } 12654 } 12655 } 12656 } 12657 12658 /* 12659 * Utility method to unload a list of specified containers 12660 */ 12661 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12662 // Just unmount all valid containers. 12663 for (AsecInstallArgs arg : cidArgs) { 12664 synchronized (mInstallLock) { 12665 arg.doPostDeleteLI(false); 12666 } 12667 } 12668 } 12669 12670 /* 12671 * Unload packages mounted on external media. This involves deleting package 12672 * data from internal structures, sending broadcasts about diabled packages, 12673 * gc'ing to free up references, unmounting all secure containers 12674 * corresponding to packages on external media, and posting a 12675 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12676 * that we always have to post this message if status has been requested no 12677 * matter what. 12678 */ 12679 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12680 final boolean reportStatus) { 12681 if (DEBUG_SD_INSTALL) 12682 Log.i(TAG, "unloading media packages"); 12683 ArrayList<String> pkgList = new ArrayList<String>(); 12684 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12685 final Set<AsecInstallArgs> keys = processCids.keySet(); 12686 for (AsecInstallArgs args : keys) { 12687 String pkgName = args.getPackageName(); 12688 if (DEBUG_SD_INSTALL) 12689 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12690 // Delete package internally 12691 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12692 synchronized (mInstallLock) { 12693 boolean res = deletePackageLI(pkgName, null, false, null, null, 12694 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12695 if (res) { 12696 pkgList.add(pkgName); 12697 } else { 12698 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12699 failedList.add(args); 12700 } 12701 } 12702 } 12703 12704 // reader 12705 synchronized (mPackages) { 12706 // We didn't update the settings after removing each package; 12707 // write them now for all packages. 12708 mSettings.writeLPr(); 12709 } 12710 12711 // We have to absolutely send UPDATED_MEDIA_STATUS only 12712 // after confirming that all the receivers processed the ordered 12713 // broadcast when packages get disabled, force a gc to clean things up. 12714 // and unload all the containers. 12715 if (pkgList.size() > 0) { 12716 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12717 new IIntentReceiver.Stub() { 12718 public void performReceive(Intent intent, int resultCode, String data, 12719 Bundle extras, boolean ordered, boolean sticky, 12720 int sendingUser) throws RemoteException { 12721 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12722 reportStatus ? 1 : 0, 1, keys); 12723 mHandler.sendMessage(msg); 12724 } 12725 }); 12726 } else { 12727 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12728 keys); 12729 mHandler.sendMessage(msg); 12730 } 12731 } 12732 12733 /** Binder call */ 12734 @Override 12735 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12736 final int flags) { 12737 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12738 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12739 int returnCode = PackageManager.MOVE_SUCCEEDED; 12740 int currFlags = 0; 12741 int newFlags = 0; 12742 // reader 12743 synchronized (mPackages) { 12744 PackageParser.Package pkg = mPackages.get(packageName); 12745 if (pkg == null) { 12746 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12747 } else { 12748 // Disable moving fwd locked apps and system packages 12749 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12750 Slog.w(TAG, "Cannot move system application"); 12751 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12752 } else if (pkg.mOperationPending) { 12753 Slog.w(TAG, "Attempt to move package which has pending operations"); 12754 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12755 } else { 12756 // Find install location first 12757 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12758 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12759 Slog.w(TAG, "Ambigous flags specified for move location."); 12760 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12761 } else { 12762 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12763 : PackageManager.INSTALL_INTERNAL; 12764 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12765 : PackageManager.INSTALL_INTERNAL; 12766 12767 if (newFlags == currFlags) { 12768 Slog.w(TAG, "No move required. Trying to move to same location"); 12769 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12770 } else { 12771 if (isForwardLocked(pkg)) { 12772 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12773 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12774 } 12775 } 12776 } 12777 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12778 pkg.mOperationPending = true; 12779 } 12780 } 12781 } 12782 12783 /* 12784 * TODO this next block probably shouldn't be inside the lock. We 12785 * can't guarantee these won't change after this is fired off 12786 * anyway. 12787 */ 12788 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12789 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12790 null, -1, user), 12791 returnCode); 12792 } else { 12793 Message msg = mHandler.obtainMessage(INIT_COPY); 12794 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12795 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12796 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12797 instructionSet); 12798 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12799 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12800 msg.obj = mp; 12801 mHandler.sendMessage(msg); 12802 } 12803 } 12804 } 12805 12806 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12807 // Queue up an async operation since the package deletion may take a 12808 // little while. 12809 mHandler.post(new Runnable() { 12810 public void run() { 12811 // TODO fix this; this does nothing. 12812 mHandler.removeCallbacks(this); 12813 int returnCode = currentStatus; 12814 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12815 int uidArr[] = null; 12816 ArrayList<String> pkgList = null; 12817 synchronized (mPackages) { 12818 PackageParser.Package pkg = mPackages.get(mp.packageName); 12819 if (pkg == null) { 12820 Slog.w(TAG, " Package " + mp.packageName 12821 + " doesn't exist. Aborting move"); 12822 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12823 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12824 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12825 + mp.srcArgs.getCodePath() + " to " 12826 + pkg.applicationInfo.sourceDir 12827 + " Aborting move and returning error"); 12828 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12829 } else { 12830 uidArr = new int[] { 12831 pkg.applicationInfo.uid 12832 }; 12833 pkgList = new ArrayList<String>(); 12834 pkgList.add(mp.packageName); 12835 } 12836 } 12837 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12838 // Send resources unavailable broadcast 12839 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12840 // Update package code and resource paths 12841 synchronized (mInstallLock) { 12842 synchronized (mPackages) { 12843 PackageParser.Package pkg = mPackages.get(mp.packageName); 12844 // Recheck for package again. 12845 if (pkg == null) { 12846 Slog.w(TAG, " Package " + mp.packageName 12847 + " doesn't exist. Aborting move"); 12848 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12849 } else if (!mp.srcArgs.getCodePath().equals( 12850 pkg.applicationInfo.sourceDir)) { 12851 Slog.w(TAG, "Package " + mp.packageName 12852 + " code path changed from " + mp.srcArgs.getCodePath() 12853 + " to " + pkg.applicationInfo.sourceDir 12854 + " Aborting move and returning error"); 12855 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12856 } else { 12857 final String oldCodePath = pkg.codePath; 12858 final String newCodePath = mp.targetArgs.getCodePath(); 12859 final String newResPath = mp.targetArgs.getResourcePath(); 12860 final String newNativePath = mp.targetArgs 12861 .getNativeLibraryPath(); 12862 12863 final File newNativeDir = new File(newNativePath); 12864 12865 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12866 ApkHandle handle = null; 12867 try { 12868 handle = ApkHandle.create(newCodePath); 12869 final int abi = NativeLibraryHelper.findSupportedAbi( 12870 handle, Build.SUPPORTED_ABIS); 12871 if (abi >= 0) { 12872 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12873 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12874 } 12875 } catch (IOException ioe) { 12876 Slog.w(TAG, "Unable to extract native libs for package :" 12877 + mp.packageName, ioe); 12878 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12879 } finally { 12880 IoUtils.closeQuietly(handle); 12881 } 12882 } 12883 final int[] users = sUserManager.getUserIds(); 12884 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12885 for (int user : users) { 12886 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12887 newNativePath, user) < 0) { 12888 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12889 } 12890 } 12891 } 12892 12893 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12894 pkg.codePath = newCodePath; 12895 // Move dex files around 12896 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12897 // Moving of dex files failed. Set 12898 // error code and abort move. 12899 pkg.codePath = oldCodePath; 12900 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12901 } 12902 } 12903 12904 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12905 pkg.applicationInfo.sourceDir = newCodePath; 12906 pkg.applicationInfo.publicSourceDir = newResPath; 12907 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12908 PackageSetting ps = (PackageSetting) pkg.mExtras; 12909 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12910 ps.codePathString = ps.codePath.getPath(); 12911 ps.resourcePath = new File( 12912 pkg.applicationInfo.publicSourceDir); 12913 ps.resourcePathString = ps.resourcePath.getPath(); 12914 ps.nativeLibraryPathString = newNativePath; 12915 // Set the application info flag 12916 // correctly. 12917 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12918 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12919 } else { 12920 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12921 } 12922 ps.setFlags(pkg.applicationInfo.flags); 12923 mAppDirs.remove(oldCodePath); 12924 mAppDirs.put(newCodePath, pkg); 12925 // Persist settings 12926 mSettings.writeLPr(); 12927 } 12928 } 12929 } 12930 } 12931 // Send resources available broadcast 12932 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12933 } 12934 } 12935 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12936 // Clean up failed installation 12937 if (mp.targetArgs != null) { 12938 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12939 -1); 12940 } 12941 } else { 12942 // Force a gc to clear things up. 12943 Runtime.getRuntime().gc(); 12944 // Delete older code 12945 synchronized (mInstallLock) { 12946 mp.srcArgs.doPostDeleteLI(true); 12947 } 12948 } 12949 12950 // Allow more operations on this file if we didn't fail because 12951 // an operation was already pending for this package. 12952 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12953 synchronized (mPackages) { 12954 PackageParser.Package pkg = mPackages.get(mp.packageName); 12955 if (pkg != null) { 12956 pkg.mOperationPending = false; 12957 } 12958 } 12959 } 12960 12961 IPackageMoveObserver observer = mp.observer; 12962 if (observer != null) { 12963 try { 12964 observer.packageMoved(mp.packageName, returnCode); 12965 } catch (RemoteException e) { 12966 Log.i(TAG, "Observer no longer exists."); 12967 } 12968 } 12969 } 12970 }); 12971 } 12972 12973 @Override 12974 public boolean setInstallLocation(int loc) { 12975 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12976 null); 12977 if (getInstallLocation() == loc) { 12978 return true; 12979 } 12980 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12981 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12982 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12983 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12984 return true; 12985 } 12986 return false; 12987 } 12988 12989 @Override 12990 public int getInstallLocation() { 12991 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12992 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12993 PackageHelper.APP_INSTALL_AUTO); 12994 } 12995 12996 /** Called by UserManagerService */ 12997 void cleanUpUserLILPw(int userHandle) { 12998 mDirtyUsers.remove(userHandle); 12999 mSettings.removeUserLPr(userHandle); 13000 mPendingBroadcasts.remove(userHandle); 13001 if (mInstaller != null) { 13002 // Technically, we shouldn't be doing this with the package lock 13003 // held. However, this is very rare, and there is already so much 13004 // other disk I/O going on, that we'll let it slide for now. 13005 mInstaller.removeUserDataDirs(userHandle); 13006 } 13007 mUserNeedsBadging.delete(userHandle); 13008 } 13009 13010 /** Called by UserManagerService */ 13011 void createNewUserLILPw(int userHandle, File path) { 13012 if (mInstaller != null) { 13013 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13014 } 13015 } 13016 13017 @Override 13018 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13019 mContext.enforceCallingOrSelfPermission( 13020 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13021 "Only package verification agents can read the verifier device identity"); 13022 13023 synchronized (mPackages) { 13024 return mSettings.getVerifierDeviceIdentityLPw(); 13025 } 13026 } 13027 13028 @Override 13029 public void setPermissionEnforced(String permission, boolean enforced) { 13030 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13031 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13032 synchronized (mPackages) { 13033 if (mSettings.mReadExternalStorageEnforced == null 13034 || mSettings.mReadExternalStorageEnforced != enforced) { 13035 mSettings.mReadExternalStorageEnforced = enforced; 13036 mSettings.writeLPr(); 13037 } 13038 } 13039 // kill any non-foreground processes so we restart them and 13040 // grant/revoke the GID. 13041 final IActivityManager am = ActivityManagerNative.getDefault(); 13042 if (am != null) { 13043 final long token = Binder.clearCallingIdentity(); 13044 try { 13045 am.killProcessesBelowForeground("setPermissionEnforcement"); 13046 } catch (RemoteException e) { 13047 } finally { 13048 Binder.restoreCallingIdentity(token); 13049 } 13050 } 13051 } else { 13052 throw new IllegalArgumentException("No selective enforcement for " + permission); 13053 } 13054 } 13055 13056 @Override 13057 @Deprecated 13058 public boolean isPermissionEnforced(String permission) { 13059 return true; 13060 } 13061 13062 @Override 13063 public boolean isStorageLow() { 13064 final long token = Binder.clearCallingIdentity(); 13065 try { 13066 final DeviceStorageMonitorInternal 13067 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13068 if (dsm != null) { 13069 return dsm.isMemoryLow(); 13070 } else { 13071 return false; 13072 } 13073 } finally { 13074 Binder.restoreCallingIdentity(token); 13075 } 13076 } 13077 13078 @Override 13079 public IPackageInstaller getPackageInstaller() { 13080 return mInstallerService; 13081 } 13082 13083 private boolean userNeedsBadging(int userId) { 13084 int index = mUserNeedsBadging.indexOfKey(userId); 13085 if (index < 0) { 13086 final UserInfo userInfo; 13087 final long token = Binder.clearCallingIdentity(); 13088 try { 13089 userInfo = sUserManager.getUserInfo(userId); 13090 } finally { 13091 Binder.restoreCallingIdentity(token); 13092 } 13093 final boolean b; 13094 if (userInfo != null && userInfo.isManagedProfile()) { 13095 b = true; 13096 } else { 13097 b = false; 13098 } 13099 mUserNeedsBadging.put(userId, b); 13100 return b; 13101 } 13102 return mUserNeedsBadging.valueAt(index); 13103 } 13104} 13105