PackageManagerService.java revision 7f7b0c759e2970178ef68805b21f06a26e24eb76
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 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5343 try { 5344 // Enable gross and lame hacks for apps that are built with old 5345 // SDK tools. We must scan their APKs for renderscript bitcode and 5346 // not launch them if it's present. Don't bother checking on devices 5347 // that don't have 64 bit support. 5348 String[] abiList = Build.SUPPORTED_ABIS; 5349 boolean hasLegacyRenderscriptBitcode = false; 5350 if (abiOverride != null) { 5351 abiList = new String[] { abiOverride }; 5352 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5353 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5354 abiList = Build.SUPPORTED_32_BIT_ABIS; 5355 hasLegacyRenderscriptBitcode = true; 5356 } 5357 5358 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5359 final String dataPathString = dataPath.getCanonicalPath(); 5360 5361 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5362 /* 5363 * Upgrading from a previous version of the OS sometimes 5364 * leaves native libraries in the /data/data/<app>/lib 5365 * directory for system apps even when they shouldn't be. 5366 * Recent changes in the JNI library search path 5367 * necessitates we remove those to match previous behavior. 5368 */ 5369 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5370 Log.i(TAG, "removed obsolete native libraries for system package " 5371 + path); 5372 } 5373 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5374 pkg.applicationInfo.cpuAbi = abiList[0]; 5375 pkgSetting.cpuAbiString = abiList[0]; 5376 } else { 5377 setInternalAppAbi(pkg, pkgSetting); 5378 } 5379 } else { 5380 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5381 /* 5382 * Update native library dir if it starts with 5383 * /data/data 5384 */ 5385 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5386 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5387 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5388 } 5389 5390 try { 5391 int copyRet = copyNativeLibrariesForInternalApp(handle, 5392 nativeLibraryDir, abiList); 5393 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5394 Slog.e(TAG, "Unable to copy native libraries"); 5395 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5396 return null; 5397 } 5398 5399 // We've successfully copied native libraries across, so we make a 5400 // note of what ABI we're using 5401 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5402 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5403 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5404 pkg.applicationInfo.cpuAbi = abiList[0]; 5405 } else { 5406 pkg.applicationInfo.cpuAbi = null; 5407 } 5408 } catch (IOException e) { 5409 Slog.e(TAG, "Unable to copy native libraries", e); 5410 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5411 return null; 5412 } 5413 } else { 5414 // We don't have to copy the shared libraries if we're in the ASEC container 5415 // but we still need to scan the file to figure out what ABI the app needs. 5416 // 5417 // TODO: This duplicates work done in the default container service. It's possible 5418 // to clean this up but we'll need to change the interface between this service 5419 // and IMediaContainerService (but doing so will spread this logic out, rather 5420 // than centralizing it). 5421 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5422 if (abi >= 0) { 5423 pkg.applicationInfo.cpuAbi = abiList[abi]; 5424 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5425 // Note that (non upgraded) system apps will not have any native 5426 // libraries bundled in their APK, but we're guaranteed not to be 5427 // such an app at this point. 5428 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5429 pkg.applicationInfo.cpuAbi = abiList[0]; 5430 } else { 5431 pkg.applicationInfo.cpuAbi = null; 5432 } 5433 } else { 5434 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5435 return null; 5436 } 5437 } 5438 5439 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5440 final int[] userIds = sUserManager.getUserIds(); 5441 synchronized (mInstallLock) { 5442 for (int userId : userIds) { 5443 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5444 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5445 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5446 + ")"); 5447 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5448 return null; 5449 } 5450 } 5451 } 5452 } 5453 5454 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5455 } catch (IOException ioe) { 5456 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5457 } finally { 5458 handle.close(); 5459 } 5460 } 5461 5462 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5463 // We don't do this here during boot because we can do it all 5464 // at once after scanning all existing packages. 5465 // 5466 // We also do this *before* we perform dexopt on this package, so that 5467 // we can avoid redundant dexopts, and also to make sure we've got the 5468 // code and package path correct. 5469 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5470 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5471 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5472 return null; 5473 } 5474 } 5475 5476 if ((scanMode&SCAN_NO_DEX) == 0) { 5477 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5478 == DEX_OPT_FAILED) { 5479 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5480 removeDataDirsLI(pkg.packageName); 5481 } 5482 5483 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5484 return null; 5485 } 5486 } 5487 5488 if (mFactoryTest && pkg.requestedPermissions.contains( 5489 android.Manifest.permission.FACTORY_TEST)) { 5490 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5491 } 5492 5493 ArrayList<PackageParser.Package> clientLibPkgs = null; 5494 5495 // writer 5496 synchronized (mPackages) { 5497 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5498 // Only system apps can add new shared libraries. 5499 if (pkg.libraryNames != null) { 5500 for (int i=0; i<pkg.libraryNames.size(); i++) { 5501 String name = pkg.libraryNames.get(i); 5502 boolean allowed = false; 5503 if (isUpdatedSystemApp(pkg)) { 5504 // New library entries can only be added through the 5505 // system image. This is important to get rid of a lot 5506 // of nasty edge cases: for example if we allowed a non- 5507 // system update of the app to add a library, then uninstalling 5508 // the update would make the library go away, and assumptions 5509 // we made such as through app install filtering would now 5510 // have allowed apps on the device which aren't compatible 5511 // with it. Better to just have the restriction here, be 5512 // conservative, and create many fewer cases that can negatively 5513 // impact the user experience. 5514 final PackageSetting sysPs = mSettings 5515 .getDisabledSystemPkgLPr(pkg.packageName); 5516 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5517 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5518 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5519 allowed = true; 5520 allowed = true; 5521 break; 5522 } 5523 } 5524 } 5525 } else { 5526 allowed = true; 5527 } 5528 if (allowed) { 5529 if (!mSharedLibraries.containsKey(name)) { 5530 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5531 } else if (!name.equals(pkg.packageName)) { 5532 Slog.w(TAG, "Package " + pkg.packageName + " library " 5533 + name + " already exists; skipping"); 5534 } 5535 } else { 5536 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5537 + name + " that is not declared on system image; skipping"); 5538 } 5539 } 5540 if ((scanMode&SCAN_BOOTING) == 0) { 5541 // If we are not booting, we need to update any applications 5542 // that are clients of our shared library. If we are booting, 5543 // this will all be done once the scan is complete. 5544 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5545 } 5546 } 5547 } 5548 } 5549 5550 // We also need to dexopt any apps that are dependent on this library. Note that 5551 // if these fail, we should abort the install since installing the library will 5552 // result in some apps being broken. 5553 if (clientLibPkgs != null) { 5554 if ((scanMode&SCAN_NO_DEX) == 0) { 5555 for (int i=0; i<clientLibPkgs.size(); i++) { 5556 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5557 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5558 == DEX_OPT_FAILED) { 5559 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5560 removeDataDirsLI(pkg.packageName); 5561 } 5562 5563 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5564 return null; 5565 } 5566 } 5567 } 5568 } 5569 5570 // Request the ActivityManager to kill the process(only for existing packages) 5571 // so that we do not end up in a confused state while the user is still using the older 5572 // version of the application while the new one gets installed. 5573 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5574 // If the package lives in an asec, tell everyone that the container is going 5575 // away so they can clean up any references to its resources (which would prevent 5576 // vold from being able to unmount the asec) 5577 if (isForwardLocked(pkg) || isExternal(pkg)) { 5578 if (DEBUG_INSTALL) { 5579 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5580 } 5581 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5582 final ArrayList<String> pkgList = new ArrayList<String>(1); 5583 pkgList.add(pkg.applicationInfo.packageName); 5584 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5585 } 5586 5587 // Post the request that it be killed now that the going-away broadcast is en route 5588 killApplication(pkg.applicationInfo.packageName, 5589 pkg.applicationInfo.uid, "update pkg"); 5590 } 5591 5592 // Also need to kill any apps that are dependent on the library. 5593 if (clientLibPkgs != null) { 5594 for (int i=0; i<clientLibPkgs.size(); i++) { 5595 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5596 killApplication(clientPkg.applicationInfo.packageName, 5597 clientPkg.applicationInfo.uid, "update lib"); 5598 } 5599 } 5600 5601 // writer 5602 synchronized (mPackages) { 5603 // We don't expect installation to fail beyond this point, 5604 if ((scanMode&SCAN_MONITOR) != 0) { 5605 mAppDirs.put(pkg.codePath, pkg); 5606 } 5607 // Add the new setting to mSettings 5608 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5609 // Add the new setting to mPackages 5610 mPackages.put(pkg.applicationInfo.packageName, pkg); 5611 // Make sure we don't accidentally delete its data. 5612 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5613 while (iter.hasNext()) { 5614 PackageCleanItem item = iter.next(); 5615 if (pkgName.equals(item.packageName)) { 5616 iter.remove(); 5617 } 5618 } 5619 5620 // Take care of first install / last update times. 5621 if (currentTime != 0) { 5622 if (pkgSetting.firstInstallTime == 0) { 5623 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5624 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5625 pkgSetting.lastUpdateTime = currentTime; 5626 } 5627 } else if (pkgSetting.firstInstallTime == 0) { 5628 // We need *something*. Take time time stamp of the file. 5629 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5630 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5631 if (scanFileTime != pkgSetting.timeStamp) { 5632 // A package on the system image has changed; consider this 5633 // to be an update. 5634 pkgSetting.lastUpdateTime = scanFileTime; 5635 } 5636 } 5637 5638 // Add the package's KeySets to the global KeySetManager 5639 KeySetManager ksm = mSettings.mKeySetManager; 5640 try { 5641 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5642 if (pkg.mKeySetMapping != null) { 5643 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5644 pkg.mKeySetMapping.entrySet()) { 5645 if (entry.getValue() != null) { 5646 ksm.addDefinedKeySetToPackage(pkg.packageName, 5647 entry.getValue(), entry.getKey()); 5648 } 5649 } 5650 } 5651 } catch (NullPointerException e) { 5652 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5653 } catch (IllegalArgumentException e) { 5654 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5655 } 5656 5657 int N = pkg.providers.size(); 5658 StringBuilder r = null; 5659 int i; 5660 for (i=0; i<N; i++) { 5661 PackageParser.Provider p = pkg.providers.get(i); 5662 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5663 p.info.processName, pkg.applicationInfo.uid); 5664 mProviders.addProvider(p); 5665 p.syncable = p.info.isSyncable; 5666 if (p.info.authority != null) { 5667 String names[] = p.info.authority.split(";"); 5668 p.info.authority = null; 5669 for (int j = 0; j < names.length; j++) { 5670 if (j == 1 && p.syncable) { 5671 // We only want the first authority for a provider to possibly be 5672 // syncable, so if we already added this provider using a different 5673 // authority clear the syncable flag. We copy the provider before 5674 // changing it because the mProviders object contains a reference 5675 // to a provider that we don't want to change. 5676 // Only do this for the second authority since the resulting provider 5677 // object can be the same for all future authorities for this provider. 5678 p = new PackageParser.Provider(p); 5679 p.syncable = false; 5680 } 5681 if (!mProvidersByAuthority.containsKey(names[j])) { 5682 mProvidersByAuthority.put(names[j], p); 5683 if (p.info.authority == null) { 5684 p.info.authority = names[j]; 5685 } else { 5686 p.info.authority = p.info.authority + ";" + names[j]; 5687 } 5688 if (DEBUG_PACKAGE_SCANNING) { 5689 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5690 Log.d(TAG, "Registered content provider: " + names[j] 5691 + ", className = " + p.info.name + ", isSyncable = " 5692 + p.info.isSyncable); 5693 } 5694 } else { 5695 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5696 Slog.w(TAG, "Skipping provider name " + names[j] + 5697 " (in package " + pkg.applicationInfo.packageName + 5698 "): name already used by " 5699 + ((other != null && other.getComponentName() != null) 5700 ? other.getComponentName().getPackageName() : "?")); 5701 } 5702 } 5703 } 5704 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5705 if (r == null) { 5706 r = new StringBuilder(256); 5707 } else { 5708 r.append(' '); 5709 } 5710 r.append(p.info.name); 5711 } 5712 } 5713 if (r != null) { 5714 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5715 } 5716 5717 N = pkg.services.size(); 5718 r = null; 5719 for (i=0; i<N; i++) { 5720 PackageParser.Service s = pkg.services.get(i); 5721 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5722 s.info.processName, pkg.applicationInfo.uid); 5723 mServices.addService(s); 5724 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5725 if (r == null) { 5726 r = new StringBuilder(256); 5727 } else { 5728 r.append(' '); 5729 } 5730 r.append(s.info.name); 5731 } 5732 } 5733 if (r != null) { 5734 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5735 } 5736 5737 N = pkg.receivers.size(); 5738 r = null; 5739 for (i=0; i<N; i++) { 5740 PackageParser.Activity a = pkg.receivers.get(i); 5741 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5742 a.info.processName, pkg.applicationInfo.uid); 5743 mReceivers.addActivity(a, "receiver"); 5744 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5745 if (r == null) { 5746 r = new StringBuilder(256); 5747 } else { 5748 r.append(' '); 5749 } 5750 r.append(a.info.name); 5751 } 5752 } 5753 if (r != null) { 5754 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5755 } 5756 5757 N = pkg.activities.size(); 5758 r = null; 5759 for (i=0; i<N; i++) { 5760 PackageParser.Activity a = pkg.activities.get(i); 5761 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5762 a.info.processName, pkg.applicationInfo.uid); 5763 mActivities.addActivity(a, "activity"); 5764 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5765 if (r == null) { 5766 r = new StringBuilder(256); 5767 } else { 5768 r.append(' '); 5769 } 5770 r.append(a.info.name); 5771 } 5772 } 5773 if (r != null) { 5774 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5775 } 5776 5777 N = pkg.permissionGroups.size(); 5778 r = null; 5779 for (i=0; i<N; i++) { 5780 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5781 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5782 if (cur == null) { 5783 mPermissionGroups.put(pg.info.name, pg); 5784 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5785 if (r == null) { 5786 r = new StringBuilder(256); 5787 } else { 5788 r.append(' '); 5789 } 5790 r.append(pg.info.name); 5791 } 5792 } else { 5793 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5794 + pg.info.packageName + " ignored: original from " 5795 + cur.info.packageName); 5796 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5797 if (r == null) { 5798 r = new StringBuilder(256); 5799 } else { 5800 r.append(' '); 5801 } 5802 r.append("DUP:"); 5803 r.append(pg.info.name); 5804 } 5805 } 5806 } 5807 if (r != null) { 5808 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5809 } 5810 5811 N = pkg.permissions.size(); 5812 r = null; 5813 for (i=0; i<N; i++) { 5814 PackageParser.Permission p = pkg.permissions.get(i); 5815 HashMap<String, BasePermission> permissionMap = 5816 p.tree ? mSettings.mPermissionTrees 5817 : mSettings.mPermissions; 5818 p.group = mPermissionGroups.get(p.info.group); 5819 if (p.info.group == null || p.group != null) { 5820 BasePermission bp = permissionMap.get(p.info.name); 5821 if (bp == null) { 5822 bp = new BasePermission(p.info.name, p.info.packageName, 5823 BasePermission.TYPE_NORMAL); 5824 permissionMap.put(p.info.name, bp); 5825 } 5826 if (bp.perm == null) { 5827 if (bp.sourcePackage != null 5828 && !bp.sourcePackage.equals(p.info.packageName)) { 5829 // If this is a permission that was formerly defined by a non-system 5830 // app, but is now defined by a system app (following an upgrade), 5831 // discard the previous declaration and consider the system's to be 5832 // canonical. 5833 if (isSystemApp(p.owner)) { 5834 String msg = "New decl " + p.owner + " of permission " 5835 + p.info.name + " is system"; 5836 reportSettingsProblem(Log.WARN, msg); 5837 bp.sourcePackage = null; 5838 } 5839 } 5840 if (bp.sourcePackage == null 5841 || bp.sourcePackage.equals(p.info.packageName)) { 5842 BasePermission tree = findPermissionTreeLP(p.info.name); 5843 if (tree == null 5844 || tree.sourcePackage.equals(p.info.packageName)) { 5845 bp.packageSetting = pkgSetting; 5846 bp.perm = p; 5847 bp.uid = pkg.applicationInfo.uid; 5848 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5849 if (r == null) { 5850 r = new StringBuilder(256); 5851 } else { 5852 r.append(' '); 5853 } 5854 r.append(p.info.name); 5855 } 5856 } else { 5857 Slog.w(TAG, "Permission " + p.info.name + " from package " 5858 + p.info.packageName + " ignored: base tree " 5859 + tree.name + " is from package " 5860 + tree.sourcePackage); 5861 } 5862 } else { 5863 Slog.w(TAG, "Permission " + p.info.name + " from package " 5864 + p.info.packageName + " ignored: original from " 5865 + bp.sourcePackage); 5866 } 5867 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5868 if (r == null) { 5869 r = new StringBuilder(256); 5870 } else { 5871 r.append(' '); 5872 } 5873 r.append("DUP:"); 5874 r.append(p.info.name); 5875 } 5876 if (bp.perm == p) { 5877 bp.protectionLevel = p.info.protectionLevel; 5878 } 5879 } else { 5880 Slog.w(TAG, "Permission " + p.info.name + " from package " 5881 + p.info.packageName + " ignored: no group " 5882 + p.group); 5883 } 5884 } 5885 if (r != null) { 5886 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5887 } 5888 5889 N = pkg.instrumentation.size(); 5890 r = null; 5891 for (i=0; i<N; i++) { 5892 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5893 a.info.packageName = pkg.applicationInfo.packageName; 5894 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5895 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5896 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 5897 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 5898 a.info.dataDir = pkg.applicationInfo.dataDir; 5899 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5900 mInstrumentation.put(a.getComponentName(), a); 5901 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5902 if (r == null) { 5903 r = new StringBuilder(256); 5904 } else { 5905 r.append(' '); 5906 } 5907 r.append(a.info.name); 5908 } 5909 } 5910 if (r != null) { 5911 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5912 } 5913 5914 if (pkg.protectedBroadcasts != null) { 5915 N = pkg.protectedBroadcasts.size(); 5916 for (i=0; i<N; i++) { 5917 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5918 } 5919 } 5920 5921 pkgSetting.setTimeStamp(scanFileTime); 5922 5923 // Create idmap files for pairs of (packages, overlay packages). 5924 // Note: "android", ie framework-res.apk, is handled by native layers. 5925 if (pkg.mOverlayTarget != null) { 5926 // This is an overlay package. 5927 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5928 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5929 mOverlays.put(pkg.mOverlayTarget, 5930 new HashMap<String, PackageParser.Package>()); 5931 } 5932 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5933 map.put(pkg.packageName, pkg); 5934 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5935 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5936 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5937 return null; 5938 } 5939 } 5940 } else if (mOverlays.containsKey(pkg.packageName) && 5941 !pkg.packageName.equals("android")) { 5942 // This is a regular package, with one or more known overlay packages. 5943 createIdmapsForPackageLI(pkg); 5944 } 5945 } 5946 5947 return pkg; 5948 } 5949 5950 /** 5951 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5952 * i.e, so that all packages can be run inside a single process if required. 5953 * 5954 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5955 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5956 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5957 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5958 * updating a package that belongs to a shared user. 5959 */ 5960 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5961 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5962 String requiredInstructionSet = null; 5963 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5964 requiredInstructionSet = VMRuntime.getInstructionSet( 5965 scannedPackage.applicationInfo.cpuAbi); 5966 } 5967 5968 PackageSetting requirer = null; 5969 for (PackageSetting ps : packagesForUser) { 5970 // If packagesForUser contains scannedPackage, we skip it. This will happen 5971 // when scannedPackage is an update of an existing package. Without this check, 5972 // we will never be able to change the ABI of any package belonging to a shared 5973 // user, even if it's compatible with other packages. 5974 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 5975 if (ps.cpuAbiString == null) { 5976 continue; 5977 } 5978 5979 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 5980 if (requiredInstructionSet != null) { 5981 if (!instructionSet.equals(requiredInstructionSet)) { 5982 // We have a mismatch between instruction sets (say arm vs arm64). 5983 // bail out. 5984 String errorMessage = "Instruction set mismatch, " 5985 + ((requirer == null) ? "[caller]" : requirer) 5986 + " requires " + requiredInstructionSet + " whereas " + ps 5987 + " requires " + instructionSet; 5988 Slog.e(TAG, errorMessage); 5989 5990 reportSettingsProblem(Log.WARN, errorMessage); 5991 // Give up, don't bother making any other changes to the package settings. 5992 return false; 5993 } 5994 } else { 5995 requiredInstructionSet = instructionSet; 5996 requirer = ps; 5997 } 5998 } 5999 } 6000 6001 if (requiredInstructionSet != null) { 6002 String adjustedAbi; 6003 if (requirer != null) { 6004 // requirer != null implies that either scannedPackage was null or that scannedPackage 6005 // did not require an ABI, in which case we have to adjust scannedPackage to match 6006 // the ABI of the set (which is the same as requirer's ABI) 6007 adjustedAbi = requirer.cpuAbiString; 6008 if (scannedPackage != null) { 6009 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6010 } 6011 } else { 6012 // requirer == null implies that we're updating all ABIs in the set to 6013 // match scannedPackage. 6014 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6015 } 6016 6017 for (PackageSetting ps : packagesForUser) { 6018 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6019 if (ps.cpuAbiString != null) { 6020 continue; 6021 } 6022 6023 ps.cpuAbiString = adjustedAbi; 6024 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6025 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6026 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6027 6028 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6029 ps.cpuAbiString = null; 6030 ps.pkg.applicationInfo.cpuAbi = null; 6031 return false; 6032 } else { 6033 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6034 } 6035 } 6036 } 6037 } 6038 } 6039 6040 return true; 6041 } 6042 6043 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6044 synchronized (mPackages) { 6045 mResolverReplaced = true; 6046 // Set up information for custom user intent resolution activity. 6047 mResolveActivity.applicationInfo = pkg.applicationInfo; 6048 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6049 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6050 mResolveActivity.processName = null; 6051 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6052 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6053 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6054 mResolveActivity.theme = 0; 6055 mResolveActivity.exported = true; 6056 mResolveActivity.enabled = true; 6057 mResolveInfo.activityInfo = mResolveActivity; 6058 mResolveInfo.priority = 0; 6059 mResolveInfo.preferredOrder = 0; 6060 mResolveInfo.match = 0; 6061 mResolveComponentName = mCustomResolverComponentName; 6062 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6063 mResolveComponentName); 6064 } 6065 } 6066 6067 private String calculateApkRoot(final String codePathString) { 6068 final File codePath = new File(codePathString); 6069 final File codeRoot; 6070 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6071 codeRoot = Environment.getRootDirectory(); 6072 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6073 codeRoot = Environment.getOemDirectory(); 6074 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6075 codeRoot = Environment.getVendorDirectory(); 6076 } else { 6077 // Unrecognized code path; take its top real segment as the apk root: 6078 // e.g. /something/app/blah.apk => /something 6079 try { 6080 File f = codePath.getCanonicalFile(); 6081 File parent = f.getParentFile(); // non-null because codePath is a file 6082 File tmp; 6083 while ((tmp = parent.getParentFile()) != null) { 6084 f = parent; 6085 parent = tmp; 6086 } 6087 codeRoot = f; 6088 Slog.w(TAG, "Unrecognized code path " 6089 + codePath + " - using " + codeRoot); 6090 } catch (IOException e) { 6091 // Can't canonicalize the lib path -- shenanigans? 6092 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6093 return Environment.getRootDirectory().getPath(); 6094 } 6095 } 6096 return codeRoot.getPath(); 6097 } 6098 6099 // This is the initial scan-time determination of how to handle a given 6100 // package for purposes of native library location. 6101 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6102 PackageSetting pkgSetting) { 6103 // "bundled" here means system-installed with no overriding update 6104 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6105 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6106 final File libDir; 6107 if (bundledApk) { 6108 // If "/system/lib64/apkname" exists, assume that is the per-package 6109 // native library directory to use; otherwise use "/system/lib/apkname". 6110 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6111 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6112 File packLib64 = new File(lib64, apkName); 6113 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6114 } else { 6115 libDir = mAppLibInstallDir; 6116 } 6117 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6118 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6119 // pkgSetting might be null during rescan following uninstall of updates 6120 // to a bundled app, so accommodate that possibility. The settings in 6121 // that case will be established later from the parsed package. 6122 if (pkgSetting != null) { 6123 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6124 } 6125 } 6126 6127 // Deduces the required ABI of an upgraded system app. 6128 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6129 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6130 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6131 6132 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6133 // or similar. 6134 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6135 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6136 6137 // Assume that the bundled native libraries always correspond to the 6138 // most preferred 32 or 64 bit ABI. 6139 if (lib64.exists()) { 6140 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6141 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6142 } else if (lib.exists()) { 6143 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6144 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6145 } else { 6146 // This is the case where the app has no native code. 6147 pkg.applicationInfo.cpuAbi = null; 6148 pkgSetting.cpuAbiString = null; 6149 } 6150 } 6151 6152 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6153 final File nativeLibraryDir, String[] abiList) throws IOException { 6154 if (!nativeLibraryDir.isDirectory()) { 6155 nativeLibraryDir.delete(); 6156 6157 if (!nativeLibraryDir.mkdir()) { 6158 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6159 } 6160 6161 try { 6162 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6163 } catch (ErrnoException e) { 6164 throw new IOException("Cannot chmod native library directory " 6165 + nativeLibraryDir.getPath(), e); 6166 } 6167 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6168 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6169 } 6170 6171 /* 6172 * If this is an internal application or our nativeLibraryPath points to 6173 * the app-lib directory, unpack the libraries if necessary. 6174 */ 6175 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6176 if (abi >= 0) { 6177 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6178 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6179 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6180 return copyRet; 6181 } 6182 } 6183 6184 return abi; 6185 } 6186 6187 private void killApplication(String pkgName, int appId, String reason) { 6188 // Request the ActivityManager to kill the process(only for existing packages) 6189 // so that we do not end up in a confused state while the user is still using the older 6190 // version of the application while the new one gets installed. 6191 IActivityManager am = ActivityManagerNative.getDefault(); 6192 if (am != null) { 6193 try { 6194 am.killApplicationWithAppId(pkgName, appId, reason); 6195 } catch (RemoteException e) { 6196 } 6197 } 6198 } 6199 6200 void removePackageLI(PackageSetting ps, boolean chatty) { 6201 if (DEBUG_INSTALL) { 6202 if (chatty) 6203 Log.d(TAG, "Removing package " + ps.name); 6204 } 6205 6206 // writer 6207 synchronized (mPackages) { 6208 mPackages.remove(ps.name); 6209 if (ps.codePathString != null) { 6210 mAppDirs.remove(ps.codePathString); 6211 } 6212 6213 final PackageParser.Package pkg = ps.pkg; 6214 if (pkg != null) { 6215 cleanPackageDataStructuresLILPw(pkg, chatty); 6216 } 6217 } 6218 } 6219 6220 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6221 if (DEBUG_INSTALL) { 6222 if (chatty) 6223 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6224 } 6225 6226 // writer 6227 synchronized (mPackages) { 6228 mPackages.remove(pkg.applicationInfo.packageName); 6229 if (pkg.codePath != null) { 6230 mAppDirs.remove(pkg.codePath); 6231 } 6232 cleanPackageDataStructuresLILPw(pkg, chatty); 6233 } 6234 } 6235 6236 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6237 int N = pkg.providers.size(); 6238 StringBuilder r = null; 6239 int i; 6240 for (i=0; i<N; i++) { 6241 PackageParser.Provider p = pkg.providers.get(i); 6242 mProviders.removeProvider(p); 6243 if (p.info.authority == null) { 6244 6245 /* There was another ContentProvider with this authority when 6246 * this app was installed so this authority is null, 6247 * Ignore it as we don't have to unregister the provider. 6248 */ 6249 continue; 6250 } 6251 String names[] = p.info.authority.split(";"); 6252 for (int j = 0; j < names.length; j++) { 6253 if (mProvidersByAuthority.get(names[j]) == p) { 6254 mProvidersByAuthority.remove(names[j]); 6255 if (DEBUG_REMOVE) { 6256 if (chatty) 6257 Log.d(TAG, "Unregistered content provider: " + names[j] 6258 + ", className = " + p.info.name + ", isSyncable = " 6259 + p.info.isSyncable); 6260 } 6261 } 6262 } 6263 if (DEBUG_REMOVE && chatty) { 6264 if (r == null) { 6265 r = new StringBuilder(256); 6266 } else { 6267 r.append(' '); 6268 } 6269 r.append(p.info.name); 6270 } 6271 } 6272 if (r != null) { 6273 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6274 } 6275 6276 N = pkg.services.size(); 6277 r = null; 6278 for (i=0; i<N; i++) { 6279 PackageParser.Service s = pkg.services.get(i); 6280 mServices.removeService(s); 6281 if (chatty) { 6282 if (r == null) { 6283 r = new StringBuilder(256); 6284 } else { 6285 r.append(' '); 6286 } 6287 r.append(s.info.name); 6288 } 6289 } 6290 if (r != null) { 6291 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6292 } 6293 6294 N = pkg.receivers.size(); 6295 r = null; 6296 for (i=0; i<N; i++) { 6297 PackageParser.Activity a = pkg.receivers.get(i); 6298 mReceivers.removeActivity(a, "receiver"); 6299 if (DEBUG_REMOVE && chatty) { 6300 if (r == null) { 6301 r = new StringBuilder(256); 6302 } else { 6303 r.append(' '); 6304 } 6305 r.append(a.info.name); 6306 } 6307 } 6308 if (r != null) { 6309 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6310 } 6311 6312 N = pkg.activities.size(); 6313 r = null; 6314 for (i=0; i<N; i++) { 6315 PackageParser.Activity a = pkg.activities.get(i); 6316 mActivities.removeActivity(a, "activity"); 6317 if (DEBUG_REMOVE && chatty) { 6318 if (r == null) { 6319 r = new StringBuilder(256); 6320 } else { 6321 r.append(' '); 6322 } 6323 r.append(a.info.name); 6324 } 6325 } 6326 if (r != null) { 6327 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6328 } 6329 6330 N = pkg.permissions.size(); 6331 r = null; 6332 for (i=0; i<N; i++) { 6333 PackageParser.Permission p = pkg.permissions.get(i); 6334 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6335 if (bp == null) { 6336 bp = mSettings.mPermissionTrees.get(p.info.name); 6337 } 6338 if (bp != null && bp.perm == p) { 6339 bp.perm = null; 6340 if (DEBUG_REMOVE && chatty) { 6341 if (r == null) { 6342 r = new StringBuilder(256); 6343 } else { 6344 r.append(' '); 6345 } 6346 r.append(p.info.name); 6347 } 6348 } 6349 } 6350 if (r != null) { 6351 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6352 } 6353 6354 N = pkg.instrumentation.size(); 6355 r = null; 6356 for (i=0; i<N; i++) { 6357 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6358 mInstrumentation.remove(a.getComponentName()); 6359 if (DEBUG_REMOVE && chatty) { 6360 if (r == null) { 6361 r = new StringBuilder(256); 6362 } else { 6363 r.append(' '); 6364 } 6365 r.append(a.info.name); 6366 } 6367 } 6368 if (r != null) { 6369 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6370 } 6371 6372 r = null; 6373 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6374 // Only system apps can hold shared libraries. 6375 if (pkg.libraryNames != null) { 6376 for (i=0; i<pkg.libraryNames.size(); i++) { 6377 String name = pkg.libraryNames.get(i); 6378 SharedLibraryEntry cur = mSharedLibraries.get(name); 6379 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6380 mSharedLibraries.remove(name); 6381 if (DEBUG_REMOVE && chatty) { 6382 if (r == null) { 6383 r = new StringBuilder(256); 6384 } else { 6385 r.append(' '); 6386 } 6387 r.append(name); 6388 } 6389 } 6390 } 6391 } 6392 } 6393 if (r != null) { 6394 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6395 } 6396 } 6397 6398 private static final boolean isPackageFilename(String name) { 6399 return name != null && name.endsWith(".apk"); 6400 } 6401 6402 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6403 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6404 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6405 return true; 6406 } 6407 } 6408 return false; 6409 } 6410 6411 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6412 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6413 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6414 6415 private void updatePermissionsLPw(String changingPkg, 6416 PackageParser.Package pkgInfo, int flags) { 6417 // Make sure there are no dangling permission trees. 6418 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6419 while (it.hasNext()) { 6420 final BasePermission bp = it.next(); 6421 if (bp.packageSetting == null) { 6422 // We may not yet have parsed the package, so just see if 6423 // we still know about its settings. 6424 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6425 } 6426 if (bp.packageSetting == null) { 6427 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6428 + " from package " + bp.sourcePackage); 6429 it.remove(); 6430 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6431 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6432 Slog.i(TAG, "Removing old permission tree: " + bp.name 6433 + " from package " + bp.sourcePackage); 6434 flags |= UPDATE_PERMISSIONS_ALL; 6435 it.remove(); 6436 } 6437 } 6438 } 6439 6440 // Make sure all dynamic permissions have been assigned to a package, 6441 // and make sure there are no dangling permissions. 6442 it = mSettings.mPermissions.values().iterator(); 6443 while (it.hasNext()) { 6444 final BasePermission bp = it.next(); 6445 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6446 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6447 + bp.name + " pkg=" + bp.sourcePackage 6448 + " info=" + bp.pendingInfo); 6449 if (bp.packageSetting == null && bp.pendingInfo != null) { 6450 final BasePermission tree = findPermissionTreeLP(bp.name); 6451 if (tree != null && tree.perm != null) { 6452 bp.packageSetting = tree.packageSetting; 6453 bp.perm = new PackageParser.Permission(tree.perm.owner, 6454 new PermissionInfo(bp.pendingInfo)); 6455 bp.perm.info.packageName = tree.perm.info.packageName; 6456 bp.perm.info.name = bp.name; 6457 bp.uid = tree.uid; 6458 } 6459 } 6460 } 6461 if (bp.packageSetting == null) { 6462 // We may not yet have parsed the package, so just see if 6463 // we still know about its settings. 6464 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6465 } 6466 if (bp.packageSetting == null) { 6467 Slog.w(TAG, "Removing dangling permission: " + bp.name 6468 + " from package " + bp.sourcePackage); 6469 it.remove(); 6470 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6471 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6472 Slog.i(TAG, "Removing old permission: " + bp.name 6473 + " from package " + bp.sourcePackage); 6474 flags |= UPDATE_PERMISSIONS_ALL; 6475 it.remove(); 6476 } 6477 } 6478 } 6479 6480 // Now update the permissions for all packages, in particular 6481 // replace the granted permissions of the system packages. 6482 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6483 for (PackageParser.Package pkg : mPackages.values()) { 6484 if (pkg != pkgInfo) { 6485 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6486 } 6487 } 6488 } 6489 6490 if (pkgInfo != null) { 6491 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6492 } 6493 } 6494 6495 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6496 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6497 if (ps == null) { 6498 return; 6499 } 6500 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6501 HashSet<String> origPermissions = gp.grantedPermissions; 6502 boolean changedPermission = false; 6503 6504 if (replace) { 6505 ps.permissionsFixed = false; 6506 if (gp == ps) { 6507 origPermissions = new HashSet<String>(gp.grantedPermissions); 6508 gp.grantedPermissions.clear(); 6509 gp.gids = mGlobalGids; 6510 } 6511 } 6512 6513 if (gp.gids == null) { 6514 gp.gids = mGlobalGids; 6515 } 6516 6517 final int N = pkg.requestedPermissions.size(); 6518 for (int i=0; i<N; i++) { 6519 final String name = pkg.requestedPermissions.get(i); 6520 final boolean required = pkg.requestedPermissionsRequired.get(i); 6521 final BasePermission bp = mSettings.mPermissions.get(name); 6522 if (DEBUG_INSTALL) { 6523 if (gp != ps) { 6524 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6525 } 6526 } 6527 6528 if (bp == null || bp.packageSetting == null) { 6529 Slog.w(TAG, "Unknown permission " + name 6530 + " in package " + pkg.packageName); 6531 continue; 6532 } 6533 6534 final String perm = bp.name; 6535 boolean allowed; 6536 boolean allowedSig = false; 6537 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6538 if (level == PermissionInfo.PROTECTION_NORMAL 6539 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6540 // We grant a normal or dangerous permission if any of the following 6541 // are true: 6542 // 1) The permission is required 6543 // 2) The permission is optional, but was granted in the past 6544 // 3) The permission is optional, but was requested by an 6545 // app in /system (not /data) 6546 // 6547 // Otherwise, reject the permission. 6548 allowed = (required || origPermissions.contains(perm) 6549 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6550 } else if (bp.packageSetting == null) { 6551 // This permission is invalid; skip it. 6552 allowed = false; 6553 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6554 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6555 if (allowed) { 6556 allowedSig = true; 6557 } 6558 } else { 6559 allowed = false; 6560 } 6561 if (DEBUG_INSTALL) { 6562 if (gp != ps) { 6563 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6564 } 6565 } 6566 if (allowed) { 6567 if (!isSystemApp(ps) && ps.permissionsFixed) { 6568 // If this is an existing, non-system package, then 6569 // we can't add any new permissions to it. 6570 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6571 // Except... if this is a permission that was added 6572 // to the platform (note: need to only do this when 6573 // updating the platform). 6574 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6575 } 6576 } 6577 if (allowed) { 6578 if (!gp.grantedPermissions.contains(perm)) { 6579 changedPermission = true; 6580 gp.grantedPermissions.add(perm); 6581 gp.gids = appendInts(gp.gids, bp.gids); 6582 } else if (!ps.haveGids) { 6583 gp.gids = appendInts(gp.gids, bp.gids); 6584 } 6585 } else { 6586 Slog.w(TAG, "Not granting permission " + perm 6587 + " to package " + pkg.packageName 6588 + " because it was previously installed without"); 6589 } 6590 } else { 6591 if (gp.grantedPermissions.remove(perm)) { 6592 changedPermission = true; 6593 gp.gids = removeInts(gp.gids, bp.gids); 6594 Slog.i(TAG, "Un-granting permission " + perm 6595 + " from package " + pkg.packageName 6596 + " (protectionLevel=" + bp.protectionLevel 6597 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6598 + ")"); 6599 } else { 6600 Slog.w(TAG, "Not granting permission " + perm 6601 + " to package " + pkg.packageName 6602 + " (protectionLevel=" + bp.protectionLevel 6603 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6604 + ")"); 6605 } 6606 } 6607 } 6608 6609 if ((changedPermission || replace) && !ps.permissionsFixed && 6610 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6611 // This is the first that we have heard about this package, so the 6612 // permissions we have now selected are fixed until explicitly 6613 // changed. 6614 ps.permissionsFixed = true; 6615 } 6616 ps.haveGids = true; 6617 } 6618 6619 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6620 boolean allowed = false; 6621 final int NP = PackageParser.NEW_PERMISSIONS.length; 6622 for (int ip=0; ip<NP; ip++) { 6623 final PackageParser.NewPermissionInfo npi 6624 = PackageParser.NEW_PERMISSIONS[ip]; 6625 if (npi.name.equals(perm) 6626 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6627 allowed = true; 6628 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6629 + pkg.packageName); 6630 break; 6631 } 6632 } 6633 return allowed; 6634 } 6635 6636 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6637 BasePermission bp, HashSet<String> origPermissions) { 6638 boolean allowed; 6639 allowed = (compareSignatures( 6640 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6641 == PackageManager.SIGNATURE_MATCH) 6642 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6643 == PackageManager.SIGNATURE_MATCH); 6644 if (!allowed && (bp.protectionLevel 6645 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6646 if (isSystemApp(pkg)) { 6647 // For updated system applications, a system permission 6648 // is granted only if it had been defined by the original application. 6649 if (isUpdatedSystemApp(pkg)) { 6650 final PackageSetting sysPs = mSettings 6651 .getDisabledSystemPkgLPr(pkg.packageName); 6652 final GrantedPermissions origGp = sysPs.sharedUser != null 6653 ? sysPs.sharedUser : sysPs; 6654 6655 if (origGp.grantedPermissions.contains(perm)) { 6656 // If the original was granted this permission, we take 6657 // that grant decision as read and propagate it to the 6658 // update. 6659 allowed = true; 6660 } else { 6661 // The system apk may have been updated with an older 6662 // version of the one on the data partition, but which 6663 // granted a new system permission that it didn't have 6664 // before. In this case we do want to allow the app to 6665 // now get the new permission if the ancestral apk is 6666 // privileged to get it. 6667 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6668 for (int j=0; 6669 j<sysPs.pkg.requestedPermissions.size(); j++) { 6670 if (perm.equals( 6671 sysPs.pkg.requestedPermissions.get(j))) { 6672 allowed = true; 6673 break; 6674 } 6675 } 6676 } 6677 } 6678 } else { 6679 allowed = isPrivilegedApp(pkg); 6680 } 6681 } 6682 } 6683 if (!allowed && (bp.protectionLevel 6684 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6685 // For development permissions, a development permission 6686 // is granted only if it was already granted. 6687 allowed = origPermissions.contains(perm); 6688 } 6689 return allowed; 6690 } 6691 6692 final class ActivityIntentResolver 6693 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6694 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6695 boolean defaultOnly, int userId) { 6696 if (!sUserManager.exists(userId)) return null; 6697 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6698 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6699 } 6700 6701 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6702 int userId) { 6703 if (!sUserManager.exists(userId)) return null; 6704 mFlags = flags; 6705 return super.queryIntent(intent, resolvedType, 6706 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6707 } 6708 6709 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6710 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6711 if (!sUserManager.exists(userId)) return null; 6712 if (packageActivities == null) { 6713 return null; 6714 } 6715 mFlags = flags; 6716 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6717 final int N = packageActivities.size(); 6718 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6719 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6720 6721 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6722 for (int i = 0; i < N; ++i) { 6723 intentFilters = packageActivities.get(i).intents; 6724 if (intentFilters != null && intentFilters.size() > 0) { 6725 PackageParser.ActivityIntentInfo[] array = 6726 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6727 intentFilters.toArray(array); 6728 listCut.add(array); 6729 } 6730 } 6731 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6732 } 6733 6734 public final void addActivity(PackageParser.Activity a, String type) { 6735 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6736 mActivities.put(a.getComponentName(), a); 6737 if (DEBUG_SHOW_INFO) 6738 Log.v( 6739 TAG, " " + type + " " + 6740 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6741 if (DEBUG_SHOW_INFO) 6742 Log.v(TAG, " Class=" + a.info.name); 6743 final int NI = a.intents.size(); 6744 for (int j=0; j<NI; j++) { 6745 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6746 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6747 intent.setPriority(0); 6748 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6749 + a.className + " with priority > 0, forcing to 0"); 6750 } 6751 if (DEBUG_SHOW_INFO) { 6752 Log.v(TAG, " IntentFilter:"); 6753 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6754 } 6755 if (!intent.debugCheck()) { 6756 Log.w(TAG, "==> For Activity " + a.info.name); 6757 } 6758 addFilter(intent); 6759 } 6760 } 6761 6762 public final void removeActivity(PackageParser.Activity a, String type) { 6763 mActivities.remove(a.getComponentName()); 6764 if (DEBUG_SHOW_INFO) { 6765 Log.v(TAG, " " + type + " " 6766 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6767 : a.info.name) + ":"); 6768 Log.v(TAG, " Class=" + a.info.name); 6769 } 6770 final int NI = a.intents.size(); 6771 for (int j=0; j<NI; j++) { 6772 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6773 if (DEBUG_SHOW_INFO) { 6774 Log.v(TAG, " IntentFilter:"); 6775 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6776 } 6777 removeFilter(intent); 6778 } 6779 } 6780 6781 @Override 6782 protected boolean allowFilterResult( 6783 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6784 ActivityInfo filterAi = filter.activity.info; 6785 for (int i=dest.size()-1; i>=0; i--) { 6786 ActivityInfo destAi = dest.get(i).activityInfo; 6787 if (destAi.name == filterAi.name 6788 && destAi.packageName == filterAi.packageName) { 6789 return false; 6790 } 6791 } 6792 return true; 6793 } 6794 6795 @Override 6796 protected ActivityIntentInfo[] newArray(int size) { 6797 return new ActivityIntentInfo[size]; 6798 } 6799 6800 @Override 6801 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6802 if (!sUserManager.exists(userId)) return true; 6803 PackageParser.Package p = filter.activity.owner; 6804 if (p != null) { 6805 PackageSetting ps = (PackageSetting)p.mExtras; 6806 if (ps != null) { 6807 // System apps are never considered stopped for purposes of 6808 // filtering, because there may be no way for the user to 6809 // actually re-launch them. 6810 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6811 && ps.getStopped(userId); 6812 } 6813 } 6814 return false; 6815 } 6816 6817 @Override 6818 protected boolean isPackageForFilter(String packageName, 6819 PackageParser.ActivityIntentInfo info) { 6820 return packageName.equals(info.activity.owner.packageName); 6821 } 6822 6823 @Override 6824 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6825 int match, int userId) { 6826 if (!sUserManager.exists(userId)) return null; 6827 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6828 return null; 6829 } 6830 final PackageParser.Activity activity = info.activity; 6831 if (mSafeMode && (activity.info.applicationInfo.flags 6832 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6833 return null; 6834 } 6835 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6836 if (ps == null) { 6837 return null; 6838 } 6839 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6840 ps.readUserState(userId), userId); 6841 if (ai == null) { 6842 return null; 6843 } 6844 final ResolveInfo res = new ResolveInfo(); 6845 res.activityInfo = ai; 6846 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6847 res.filter = info; 6848 } 6849 res.priority = info.getPriority(); 6850 res.preferredOrder = activity.owner.mPreferredOrder; 6851 //System.out.println("Result: " + res.activityInfo.className + 6852 // " = " + res.priority); 6853 res.match = match; 6854 res.isDefault = info.hasDefault; 6855 res.labelRes = info.labelRes; 6856 res.nonLocalizedLabel = info.nonLocalizedLabel; 6857 if (userNeedsBadging(userId)) { 6858 res.noResourceId = true; 6859 } else { 6860 res.icon = info.icon; 6861 } 6862 res.system = isSystemApp(res.activityInfo.applicationInfo); 6863 return res; 6864 } 6865 6866 @Override 6867 protected void sortResults(List<ResolveInfo> results) { 6868 Collections.sort(results, mResolvePrioritySorter); 6869 } 6870 6871 @Override 6872 protected void dumpFilter(PrintWriter out, String prefix, 6873 PackageParser.ActivityIntentInfo filter) { 6874 out.print(prefix); out.print( 6875 Integer.toHexString(System.identityHashCode(filter.activity))); 6876 out.print(' '); 6877 filter.activity.printComponentShortName(out); 6878 out.print(" filter "); 6879 out.println(Integer.toHexString(System.identityHashCode(filter))); 6880 } 6881 6882// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6883// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6884// final List<ResolveInfo> retList = Lists.newArrayList(); 6885// while (i.hasNext()) { 6886// final ResolveInfo resolveInfo = i.next(); 6887// if (isEnabledLP(resolveInfo.activityInfo)) { 6888// retList.add(resolveInfo); 6889// } 6890// } 6891// return retList; 6892// } 6893 6894 // Keys are String (activity class name), values are Activity. 6895 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6896 = new HashMap<ComponentName, PackageParser.Activity>(); 6897 private int mFlags; 6898 } 6899 6900 private final class ServiceIntentResolver 6901 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6902 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6903 boolean defaultOnly, int userId) { 6904 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6905 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6906 } 6907 6908 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6909 int userId) { 6910 if (!sUserManager.exists(userId)) return null; 6911 mFlags = flags; 6912 return super.queryIntent(intent, resolvedType, 6913 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6914 } 6915 6916 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6917 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6918 if (!sUserManager.exists(userId)) return null; 6919 if (packageServices == null) { 6920 return null; 6921 } 6922 mFlags = flags; 6923 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6924 final int N = packageServices.size(); 6925 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6926 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6927 6928 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6929 for (int i = 0; i < N; ++i) { 6930 intentFilters = packageServices.get(i).intents; 6931 if (intentFilters != null && intentFilters.size() > 0) { 6932 PackageParser.ServiceIntentInfo[] array = 6933 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6934 intentFilters.toArray(array); 6935 listCut.add(array); 6936 } 6937 } 6938 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6939 } 6940 6941 public final void addService(PackageParser.Service s) { 6942 mServices.put(s.getComponentName(), s); 6943 if (DEBUG_SHOW_INFO) { 6944 Log.v(TAG, " " 6945 + (s.info.nonLocalizedLabel != null 6946 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6947 Log.v(TAG, " Class=" + s.info.name); 6948 } 6949 final int NI = s.intents.size(); 6950 int j; 6951 for (j=0; j<NI; j++) { 6952 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6953 if (DEBUG_SHOW_INFO) { 6954 Log.v(TAG, " IntentFilter:"); 6955 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6956 } 6957 if (!intent.debugCheck()) { 6958 Log.w(TAG, "==> For Service " + s.info.name); 6959 } 6960 addFilter(intent); 6961 } 6962 } 6963 6964 public final void removeService(PackageParser.Service s) { 6965 mServices.remove(s.getComponentName()); 6966 if (DEBUG_SHOW_INFO) { 6967 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6968 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6969 Log.v(TAG, " Class=" + s.info.name); 6970 } 6971 final int NI = s.intents.size(); 6972 int j; 6973 for (j=0; j<NI; j++) { 6974 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6975 if (DEBUG_SHOW_INFO) { 6976 Log.v(TAG, " IntentFilter:"); 6977 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6978 } 6979 removeFilter(intent); 6980 } 6981 } 6982 6983 @Override 6984 protected boolean allowFilterResult( 6985 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6986 ServiceInfo filterSi = filter.service.info; 6987 for (int i=dest.size()-1; i>=0; i--) { 6988 ServiceInfo destAi = dest.get(i).serviceInfo; 6989 if (destAi.name == filterSi.name 6990 && destAi.packageName == filterSi.packageName) { 6991 return false; 6992 } 6993 } 6994 return true; 6995 } 6996 6997 @Override 6998 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6999 return new PackageParser.ServiceIntentInfo[size]; 7000 } 7001 7002 @Override 7003 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7004 if (!sUserManager.exists(userId)) return true; 7005 PackageParser.Package p = filter.service.owner; 7006 if (p != null) { 7007 PackageSetting ps = (PackageSetting)p.mExtras; 7008 if (ps != null) { 7009 // System apps are never considered stopped for purposes of 7010 // filtering, because there may be no way for the user to 7011 // actually re-launch them. 7012 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7013 && ps.getStopped(userId); 7014 } 7015 } 7016 return false; 7017 } 7018 7019 @Override 7020 protected boolean isPackageForFilter(String packageName, 7021 PackageParser.ServiceIntentInfo info) { 7022 return packageName.equals(info.service.owner.packageName); 7023 } 7024 7025 @Override 7026 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7027 int match, int userId) { 7028 if (!sUserManager.exists(userId)) return null; 7029 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7030 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7031 return null; 7032 } 7033 final PackageParser.Service service = info.service; 7034 if (mSafeMode && (service.info.applicationInfo.flags 7035 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7036 return null; 7037 } 7038 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7039 if (ps == null) { 7040 return null; 7041 } 7042 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7043 ps.readUserState(userId), userId); 7044 if (si == null) { 7045 return null; 7046 } 7047 final ResolveInfo res = new ResolveInfo(); 7048 res.serviceInfo = si; 7049 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7050 res.filter = filter; 7051 } 7052 res.priority = info.getPriority(); 7053 res.preferredOrder = service.owner.mPreferredOrder; 7054 //System.out.println("Result: " + res.activityInfo.className + 7055 // " = " + res.priority); 7056 res.match = match; 7057 res.isDefault = info.hasDefault; 7058 res.labelRes = info.labelRes; 7059 res.nonLocalizedLabel = info.nonLocalizedLabel; 7060 res.icon = info.icon; 7061 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7062 return res; 7063 } 7064 7065 @Override 7066 protected void sortResults(List<ResolveInfo> results) { 7067 Collections.sort(results, mResolvePrioritySorter); 7068 } 7069 7070 @Override 7071 protected void dumpFilter(PrintWriter out, String prefix, 7072 PackageParser.ServiceIntentInfo filter) { 7073 out.print(prefix); out.print( 7074 Integer.toHexString(System.identityHashCode(filter.service))); 7075 out.print(' '); 7076 filter.service.printComponentShortName(out); 7077 out.print(" filter "); 7078 out.println(Integer.toHexString(System.identityHashCode(filter))); 7079 } 7080 7081// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7082// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7083// final List<ResolveInfo> retList = Lists.newArrayList(); 7084// while (i.hasNext()) { 7085// final ResolveInfo resolveInfo = (ResolveInfo) i; 7086// if (isEnabledLP(resolveInfo.serviceInfo)) { 7087// retList.add(resolveInfo); 7088// } 7089// } 7090// return retList; 7091// } 7092 7093 // Keys are String (activity class name), values are Activity. 7094 private final HashMap<ComponentName, PackageParser.Service> mServices 7095 = new HashMap<ComponentName, PackageParser.Service>(); 7096 private int mFlags; 7097 }; 7098 7099 private final class ProviderIntentResolver 7100 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7101 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7102 boolean defaultOnly, int userId) { 7103 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7104 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7105 } 7106 7107 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7108 int userId) { 7109 if (!sUserManager.exists(userId)) 7110 return null; 7111 mFlags = flags; 7112 return super.queryIntent(intent, resolvedType, 7113 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7114 } 7115 7116 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7117 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7118 if (!sUserManager.exists(userId)) 7119 return null; 7120 if (packageProviders == null) { 7121 return null; 7122 } 7123 mFlags = flags; 7124 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7125 final int N = packageProviders.size(); 7126 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7127 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7128 7129 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7130 for (int i = 0; i < N; ++i) { 7131 intentFilters = packageProviders.get(i).intents; 7132 if (intentFilters != null && intentFilters.size() > 0) { 7133 PackageParser.ProviderIntentInfo[] array = 7134 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7135 intentFilters.toArray(array); 7136 listCut.add(array); 7137 } 7138 } 7139 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7140 } 7141 7142 public final void addProvider(PackageParser.Provider p) { 7143 if (mProviders.containsKey(p.getComponentName())) { 7144 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7145 return; 7146 } 7147 7148 mProviders.put(p.getComponentName(), p); 7149 if (DEBUG_SHOW_INFO) { 7150 Log.v(TAG, " " 7151 + (p.info.nonLocalizedLabel != null 7152 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7153 Log.v(TAG, " Class=" + p.info.name); 7154 } 7155 final int NI = p.intents.size(); 7156 int j; 7157 for (j = 0; j < NI; j++) { 7158 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7159 if (DEBUG_SHOW_INFO) { 7160 Log.v(TAG, " IntentFilter:"); 7161 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7162 } 7163 if (!intent.debugCheck()) { 7164 Log.w(TAG, "==> For Provider " + p.info.name); 7165 } 7166 addFilter(intent); 7167 } 7168 } 7169 7170 public final void removeProvider(PackageParser.Provider p) { 7171 mProviders.remove(p.getComponentName()); 7172 if (DEBUG_SHOW_INFO) { 7173 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7174 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7175 Log.v(TAG, " Class=" + p.info.name); 7176 } 7177 final int NI = p.intents.size(); 7178 int j; 7179 for (j = 0; j < NI; j++) { 7180 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7181 if (DEBUG_SHOW_INFO) { 7182 Log.v(TAG, " IntentFilter:"); 7183 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7184 } 7185 removeFilter(intent); 7186 } 7187 } 7188 7189 @Override 7190 protected boolean allowFilterResult( 7191 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7192 ProviderInfo filterPi = filter.provider.info; 7193 for (int i = dest.size() - 1; i >= 0; i--) { 7194 ProviderInfo destPi = dest.get(i).providerInfo; 7195 if (destPi.name == filterPi.name 7196 && destPi.packageName == filterPi.packageName) { 7197 return false; 7198 } 7199 } 7200 return true; 7201 } 7202 7203 @Override 7204 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7205 return new PackageParser.ProviderIntentInfo[size]; 7206 } 7207 7208 @Override 7209 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7210 if (!sUserManager.exists(userId)) 7211 return true; 7212 PackageParser.Package p = filter.provider.owner; 7213 if (p != null) { 7214 PackageSetting ps = (PackageSetting) p.mExtras; 7215 if (ps != null) { 7216 // System apps are never considered stopped for purposes of 7217 // filtering, because there may be no way for the user to 7218 // actually re-launch them. 7219 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7220 && ps.getStopped(userId); 7221 } 7222 } 7223 return false; 7224 } 7225 7226 @Override 7227 protected boolean isPackageForFilter(String packageName, 7228 PackageParser.ProviderIntentInfo info) { 7229 return packageName.equals(info.provider.owner.packageName); 7230 } 7231 7232 @Override 7233 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7234 int match, int userId) { 7235 if (!sUserManager.exists(userId)) 7236 return null; 7237 final PackageParser.ProviderIntentInfo info = filter; 7238 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7239 return null; 7240 } 7241 final PackageParser.Provider provider = info.provider; 7242 if (mSafeMode && (provider.info.applicationInfo.flags 7243 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7244 return null; 7245 } 7246 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7247 if (ps == null) { 7248 return null; 7249 } 7250 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7251 ps.readUserState(userId), userId); 7252 if (pi == null) { 7253 return null; 7254 } 7255 final ResolveInfo res = new ResolveInfo(); 7256 res.providerInfo = pi; 7257 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7258 res.filter = filter; 7259 } 7260 res.priority = info.getPriority(); 7261 res.preferredOrder = provider.owner.mPreferredOrder; 7262 res.match = match; 7263 res.isDefault = info.hasDefault; 7264 res.labelRes = info.labelRes; 7265 res.nonLocalizedLabel = info.nonLocalizedLabel; 7266 res.icon = info.icon; 7267 res.system = isSystemApp(res.providerInfo.applicationInfo); 7268 return res; 7269 } 7270 7271 @Override 7272 protected void sortResults(List<ResolveInfo> results) { 7273 Collections.sort(results, mResolvePrioritySorter); 7274 } 7275 7276 @Override 7277 protected void dumpFilter(PrintWriter out, String prefix, 7278 PackageParser.ProviderIntentInfo filter) { 7279 out.print(prefix); 7280 out.print( 7281 Integer.toHexString(System.identityHashCode(filter.provider))); 7282 out.print(' '); 7283 filter.provider.printComponentShortName(out); 7284 out.print(" filter "); 7285 out.println(Integer.toHexString(System.identityHashCode(filter))); 7286 } 7287 7288 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7289 = new HashMap<ComponentName, PackageParser.Provider>(); 7290 private int mFlags; 7291 }; 7292 7293 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7294 new Comparator<ResolveInfo>() { 7295 public int compare(ResolveInfo r1, ResolveInfo r2) { 7296 int v1 = r1.priority; 7297 int v2 = r2.priority; 7298 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7299 if (v1 != v2) { 7300 return (v1 > v2) ? -1 : 1; 7301 } 7302 v1 = r1.preferredOrder; 7303 v2 = r2.preferredOrder; 7304 if (v1 != v2) { 7305 return (v1 > v2) ? -1 : 1; 7306 } 7307 if (r1.isDefault != r2.isDefault) { 7308 return r1.isDefault ? -1 : 1; 7309 } 7310 v1 = r1.match; 7311 v2 = r2.match; 7312 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7313 if (v1 != v2) { 7314 return (v1 > v2) ? -1 : 1; 7315 } 7316 if (r1.system != r2.system) { 7317 return r1.system ? -1 : 1; 7318 } 7319 return 0; 7320 } 7321 }; 7322 7323 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7324 new Comparator<ProviderInfo>() { 7325 public int compare(ProviderInfo p1, ProviderInfo p2) { 7326 final int v1 = p1.initOrder; 7327 final int v2 = p2.initOrder; 7328 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7329 } 7330 }; 7331 7332 static final void sendPackageBroadcast(String action, String pkg, 7333 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7334 int[] userIds) { 7335 IActivityManager am = ActivityManagerNative.getDefault(); 7336 if (am != null) { 7337 try { 7338 if (userIds == null) { 7339 userIds = am.getRunningUserIds(); 7340 } 7341 for (int id : userIds) { 7342 final Intent intent = new Intent(action, 7343 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7344 if (extras != null) { 7345 intent.putExtras(extras); 7346 } 7347 if (targetPkg != null) { 7348 intent.setPackage(targetPkg); 7349 } 7350 // Modify the UID when posting to other users 7351 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7352 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7353 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7354 intent.putExtra(Intent.EXTRA_UID, uid); 7355 } 7356 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7357 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7358 if (DEBUG_BROADCASTS) { 7359 RuntimeException here = new RuntimeException("here"); 7360 here.fillInStackTrace(); 7361 Slog.d(TAG, "Sending to user " + id + ": " 7362 + intent.toShortString(false, true, false, false) 7363 + " " + intent.getExtras(), here); 7364 } 7365 am.broadcastIntent(null, intent, null, finishedReceiver, 7366 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7367 finishedReceiver != null, false, id); 7368 } 7369 } catch (RemoteException ex) { 7370 } 7371 } 7372 } 7373 7374 /** 7375 * Check if the external storage media is available. This is true if there 7376 * is a mounted external storage medium or if the external storage is 7377 * emulated. 7378 */ 7379 private boolean isExternalMediaAvailable() { 7380 return mMediaMounted || Environment.isExternalStorageEmulated(); 7381 } 7382 7383 @Override 7384 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7385 // writer 7386 synchronized (mPackages) { 7387 if (!isExternalMediaAvailable()) { 7388 // If the external storage is no longer mounted at this point, 7389 // the caller may not have been able to delete all of this 7390 // packages files and can not delete any more. Bail. 7391 return null; 7392 } 7393 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7394 if (lastPackage != null) { 7395 pkgs.remove(lastPackage); 7396 } 7397 if (pkgs.size() > 0) { 7398 return pkgs.get(0); 7399 } 7400 } 7401 return null; 7402 } 7403 7404 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7405 if (false) { 7406 RuntimeException here = new RuntimeException("here"); 7407 here.fillInStackTrace(); 7408 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7409 + " andCode=" + andCode, here); 7410 } 7411 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7412 userId, andCode ? 1 : 0, packageName)); 7413 } 7414 7415 void startCleaningPackages() { 7416 // reader 7417 synchronized (mPackages) { 7418 if (!isExternalMediaAvailable()) { 7419 return; 7420 } 7421 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7422 return; 7423 } 7424 } 7425 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7426 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7427 IActivityManager am = ActivityManagerNative.getDefault(); 7428 if (am != null) { 7429 try { 7430 am.startService(null, intent, null, UserHandle.USER_OWNER); 7431 } catch (RemoteException e) { 7432 } 7433 } 7434 } 7435 7436 private final class AppDirObserver extends FileObserver { 7437 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7438 super(path, mask); 7439 mRootDir = path; 7440 mIsRom = isrom; 7441 mIsPrivileged = isPrivileged; 7442 } 7443 7444 public void onEvent(int event, String path) { 7445 String removedPackage = null; 7446 int removedAppId = -1; 7447 int[] removedUsers = null; 7448 String addedPackage = null; 7449 int addedAppId = -1; 7450 int[] addedUsers = null; 7451 7452 // TODO post a message to the handler to obtain serial ordering 7453 synchronized (mInstallLock) { 7454 String fullPathStr = null; 7455 File fullPath = null; 7456 if (path != null) { 7457 fullPath = new File(mRootDir, path); 7458 fullPathStr = fullPath.getPath(); 7459 } 7460 7461 if (DEBUG_APP_DIR_OBSERVER) 7462 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7463 7464 if (!isPackageFilename(path)) { 7465 if (DEBUG_APP_DIR_OBSERVER) 7466 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7467 return; 7468 } 7469 7470 // Ignore packages that are being installed or 7471 // have just been installed. 7472 if (ignoreCodePath(fullPathStr)) { 7473 return; 7474 } 7475 PackageParser.Package p = null; 7476 PackageSetting ps = null; 7477 // reader 7478 synchronized (mPackages) { 7479 p = mAppDirs.get(fullPathStr); 7480 if (p != null) { 7481 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7482 if (ps != null) { 7483 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7484 } else { 7485 removedUsers = sUserManager.getUserIds(); 7486 } 7487 } 7488 addedUsers = sUserManager.getUserIds(); 7489 } 7490 if ((event&REMOVE_EVENTS) != 0) { 7491 if (ps != null) { 7492 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7493 removePackageLI(ps, true); 7494 removedPackage = ps.name; 7495 removedAppId = ps.appId; 7496 } 7497 } 7498 7499 if ((event&ADD_EVENTS) != 0) { 7500 if (p == null) { 7501 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7502 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7503 if (mIsRom) { 7504 flags |= PackageParser.PARSE_IS_SYSTEM 7505 | PackageParser.PARSE_IS_SYSTEM_DIR; 7506 if (mIsPrivileged) { 7507 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7508 } 7509 } 7510 p = scanPackageLI(fullPath, flags, 7511 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7512 System.currentTimeMillis(), UserHandle.ALL, null); 7513 if (p != null) { 7514 /* 7515 * TODO this seems dangerous as the package may have 7516 * changed since we last acquired the mPackages 7517 * lock. 7518 */ 7519 // writer 7520 synchronized (mPackages) { 7521 updatePermissionsLPw(p.packageName, p, 7522 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7523 } 7524 addedPackage = p.applicationInfo.packageName; 7525 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7526 } 7527 } 7528 } 7529 7530 // reader 7531 synchronized (mPackages) { 7532 mSettings.writeLPr(); 7533 } 7534 } 7535 7536 if (removedPackage != null) { 7537 Bundle extras = new Bundle(1); 7538 extras.putInt(Intent.EXTRA_UID, removedAppId); 7539 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7540 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7541 extras, null, null, removedUsers); 7542 } 7543 if (addedPackage != null) { 7544 Bundle extras = new Bundle(1); 7545 extras.putInt(Intent.EXTRA_UID, addedAppId); 7546 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7547 extras, null, null, addedUsers); 7548 } 7549 } 7550 7551 private final String mRootDir; 7552 private final boolean mIsRom; 7553 private final boolean mIsPrivileged; 7554 } 7555 7556 /* 7557 * The old-style observer methods all just trampoline to the newer signature with 7558 * expanded install observer API. The older API continues to work but does not 7559 * supply the additional details of the Observer2 API. 7560 */ 7561 7562 /* Called when a downloaded package installation has been confirmed by the user */ 7563 public void installPackage( 7564 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7565 installPackageEtc(packageURI, observer, null, flags, null); 7566 } 7567 7568 /* Called when a downloaded package installation has been confirmed by the user */ 7569 @Override 7570 public void installPackage( 7571 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7572 final String installerPackageName) { 7573 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7574 installerPackageName, null, null, null); 7575 } 7576 7577 @Override 7578 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7579 int flags, String installerPackageName, Uri verificationURI, 7580 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7581 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7582 VerificationParams.NO_UID, manifestDigest); 7583 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7584 installerPackageName, verificationParams, encryptionParams); 7585 } 7586 7587 @Override 7588 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7589 IPackageInstallObserver observer, int flags, String installerPackageName, 7590 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7591 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7592 installerPackageName, verificationParams, encryptionParams); 7593 } 7594 7595 /* 7596 * And here are the "live" versions that take both observer arguments 7597 */ 7598 public void installPackageEtc( 7599 final Uri packageURI, final IPackageInstallObserver observer, 7600 IPackageInstallObserver2 observer2, final int flags) { 7601 installPackageEtc(packageURI, observer, observer2, flags, null); 7602 } 7603 7604 public void installPackageEtc( 7605 final Uri packageURI, final IPackageInstallObserver observer, 7606 final IPackageInstallObserver2 observer2, final int flags, 7607 final String installerPackageName) { 7608 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7609 installerPackageName, null, null, null); 7610 } 7611 7612 @Override 7613 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7614 IPackageInstallObserver2 observer2, 7615 int flags, String installerPackageName, Uri verificationURI, 7616 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7617 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7618 VerificationParams.NO_UID, manifestDigest); 7619 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7620 installerPackageName, verificationParams, encryptionParams); 7621 } 7622 7623 /* 7624 * All of the installPackage...*() methods redirect to this one for the master implementation 7625 */ 7626 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7627 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7628 int flags, String installerPackageName, 7629 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7630 if (observer == null && observer2 == null) { 7631 throw new IllegalArgumentException("No install observer supplied"); 7632 } 7633 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7634 flags, installerPackageName, verificationParams, encryptionParams, null); 7635 } 7636 7637 @Override 7638 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7639 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7640 int flags, String installerPackageName, 7641 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7642 String packageAbiOverride) { 7643 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7644 null); 7645 7646 final int uid = Binder.getCallingUid(); 7647 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7648 try { 7649 if (observer != null) { 7650 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7651 } 7652 if (observer2 != null) { 7653 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7654 } 7655 } catch (RemoteException re) { 7656 } 7657 return; 7658 } 7659 7660 UserHandle user; 7661 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7662 user = UserHandle.ALL; 7663 } else { 7664 user = new UserHandle(UserHandle.getUserId(uid)); 7665 } 7666 7667 final int filteredFlags; 7668 7669 if (uid == Process.SHELL_UID || uid == 0) { 7670 if (DEBUG_INSTALL) { 7671 Slog.v(TAG, "Install from ADB"); 7672 } 7673 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7674 } else { 7675 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7676 } 7677 7678 verificationParams.setInstallerUid(uid); 7679 7680 final Message msg = mHandler.obtainMessage(INIT_COPY); 7681 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7682 installerPackageName, verificationParams, encryptionParams, user, 7683 packageAbiOverride); 7684 mHandler.sendMessage(msg); 7685 } 7686 7687 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7688 Bundle extras = new Bundle(1); 7689 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7690 7691 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7692 packageName, extras, null, null, new int[] {userId}); 7693 try { 7694 IActivityManager am = ActivityManagerNative.getDefault(); 7695 final boolean isSystem = 7696 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7697 if (isSystem && am.isUserRunning(userId, false)) { 7698 // The just-installed/enabled app is bundled on the system, so presumed 7699 // to be able to run automatically without needing an explicit launch. 7700 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7701 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7702 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7703 .setPackage(packageName); 7704 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7705 android.app.AppOpsManager.OP_NONE, false, false, userId); 7706 } 7707 } catch (RemoteException e) { 7708 // shouldn't happen 7709 Slog.w(TAG, "Unable to bootstrap installed package", e); 7710 } 7711 } 7712 7713 @Override 7714 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7715 int userId) { 7716 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7717 PackageSetting pkgSetting; 7718 final int uid = Binder.getCallingUid(); 7719 if (UserHandle.getUserId(uid) != userId) { 7720 mContext.enforceCallingOrSelfPermission( 7721 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7722 "setApplicationBlockedSetting for user " + userId); 7723 } 7724 7725 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7726 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7727 return false; 7728 } 7729 7730 long callingId = Binder.clearCallingIdentity(); 7731 try { 7732 boolean sendAdded = false; 7733 boolean sendRemoved = false; 7734 // writer 7735 synchronized (mPackages) { 7736 pkgSetting = mSettings.mPackages.get(packageName); 7737 if (pkgSetting == null) { 7738 return false; 7739 } 7740 if (pkgSetting.getBlocked(userId) != blocked) { 7741 pkgSetting.setBlocked(blocked, userId); 7742 mSettings.writePackageRestrictionsLPr(userId); 7743 if (blocked) { 7744 sendRemoved = true; 7745 } else { 7746 sendAdded = true; 7747 } 7748 } 7749 } 7750 if (sendAdded) { 7751 sendPackageAddedForUser(packageName, pkgSetting, userId); 7752 return true; 7753 } 7754 if (sendRemoved) { 7755 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7756 "blocking pkg"); 7757 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7758 } 7759 } finally { 7760 Binder.restoreCallingIdentity(callingId); 7761 } 7762 return false; 7763 } 7764 7765 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7766 int userId) { 7767 final PackageRemovedInfo info = new PackageRemovedInfo(); 7768 info.removedPackage = packageName; 7769 info.removedUsers = new int[] {userId}; 7770 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7771 info.sendBroadcast(false, false, false); 7772 } 7773 7774 /** 7775 * Returns true if application is not found or there was an error. Otherwise it returns 7776 * the blocked state of the package for the given user. 7777 */ 7778 @Override 7779 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7780 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7781 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7782 "getApplicationBlocked for user " + userId); 7783 PackageSetting pkgSetting; 7784 long callingId = Binder.clearCallingIdentity(); 7785 try { 7786 // writer 7787 synchronized (mPackages) { 7788 pkgSetting = mSettings.mPackages.get(packageName); 7789 if (pkgSetting == null) { 7790 return true; 7791 } 7792 return pkgSetting.getBlocked(userId); 7793 } 7794 } finally { 7795 Binder.restoreCallingIdentity(callingId); 7796 } 7797 } 7798 7799 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7800 int flags) { 7801 // TODO: install stage! 7802 try { 7803 observer.packageInstalled(basePackageName, null, 7804 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7805 } catch (RemoteException ignored) { 7806 } 7807 } 7808 7809 /** 7810 * @hide 7811 */ 7812 @Override 7813 public int installExistingPackageAsUser(String packageName, int userId) { 7814 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7815 null); 7816 PackageSetting pkgSetting; 7817 final int uid = Binder.getCallingUid(); 7818 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7819 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7820 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7821 } 7822 7823 long callingId = Binder.clearCallingIdentity(); 7824 try { 7825 boolean sendAdded = false; 7826 Bundle extras = new Bundle(1); 7827 7828 // writer 7829 synchronized (mPackages) { 7830 pkgSetting = mSettings.mPackages.get(packageName); 7831 if (pkgSetting == null) { 7832 return PackageManager.INSTALL_FAILED_INVALID_URI; 7833 } 7834 if (!pkgSetting.getInstalled(userId)) { 7835 pkgSetting.setInstalled(true, userId); 7836 pkgSetting.setBlocked(false, userId); 7837 mSettings.writePackageRestrictionsLPr(userId); 7838 sendAdded = true; 7839 } 7840 } 7841 7842 if (sendAdded) { 7843 sendPackageAddedForUser(packageName, pkgSetting, userId); 7844 } 7845 } finally { 7846 Binder.restoreCallingIdentity(callingId); 7847 } 7848 7849 return PackageManager.INSTALL_SUCCEEDED; 7850 } 7851 7852 boolean isUserRestricted(int userId, String restrictionKey) { 7853 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7854 if (restrictions.getBoolean(restrictionKey, false)) { 7855 Log.w(TAG, "User is restricted: " + restrictionKey); 7856 return true; 7857 } 7858 return false; 7859 } 7860 7861 @Override 7862 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7863 mContext.enforceCallingOrSelfPermission( 7864 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7865 "Only package verification agents can verify applications"); 7866 7867 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7868 final PackageVerificationResponse response = new PackageVerificationResponse( 7869 verificationCode, Binder.getCallingUid()); 7870 msg.arg1 = id; 7871 msg.obj = response; 7872 mHandler.sendMessage(msg); 7873 } 7874 7875 @Override 7876 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7877 long millisecondsToDelay) { 7878 mContext.enforceCallingOrSelfPermission( 7879 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7880 "Only package verification agents can extend verification timeouts"); 7881 7882 final PackageVerificationState state = mPendingVerification.get(id); 7883 final PackageVerificationResponse response = new PackageVerificationResponse( 7884 verificationCodeAtTimeout, Binder.getCallingUid()); 7885 7886 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7887 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7888 } 7889 if (millisecondsToDelay < 0) { 7890 millisecondsToDelay = 0; 7891 } 7892 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7893 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7894 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7895 } 7896 7897 if ((state != null) && !state.timeoutExtended()) { 7898 state.extendTimeout(); 7899 7900 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7901 msg.arg1 = id; 7902 msg.obj = response; 7903 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7904 } 7905 } 7906 7907 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7908 int verificationCode, UserHandle user) { 7909 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7910 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7911 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7912 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7913 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7914 7915 mContext.sendBroadcastAsUser(intent, user, 7916 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7917 } 7918 7919 private ComponentName matchComponentForVerifier(String packageName, 7920 List<ResolveInfo> receivers) { 7921 ActivityInfo targetReceiver = null; 7922 7923 final int NR = receivers.size(); 7924 for (int i = 0; i < NR; i++) { 7925 final ResolveInfo info = receivers.get(i); 7926 if (info.activityInfo == null) { 7927 continue; 7928 } 7929 7930 if (packageName.equals(info.activityInfo.packageName)) { 7931 targetReceiver = info.activityInfo; 7932 break; 7933 } 7934 } 7935 7936 if (targetReceiver == null) { 7937 return null; 7938 } 7939 7940 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7941 } 7942 7943 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7944 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7945 if (pkgInfo.verifiers.length == 0) { 7946 return null; 7947 } 7948 7949 final int N = pkgInfo.verifiers.length; 7950 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7951 for (int i = 0; i < N; i++) { 7952 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7953 7954 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7955 receivers); 7956 if (comp == null) { 7957 continue; 7958 } 7959 7960 final int verifierUid = getUidForVerifier(verifierInfo); 7961 if (verifierUid == -1) { 7962 continue; 7963 } 7964 7965 if (DEBUG_VERIFY) { 7966 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7967 + " with the correct signature"); 7968 } 7969 sufficientVerifiers.add(comp); 7970 verificationState.addSufficientVerifier(verifierUid); 7971 } 7972 7973 return sufficientVerifiers; 7974 } 7975 7976 private int getUidForVerifier(VerifierInfo verifierInfo) { 7977 synchronized (mPackages) { 7978 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7979 if (pkg == null) { 7980 return -1; 7981 } else if (pkg.mSignatures.length != 1) { 7982 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7983 + " has more than one signature; ignoring"); 7984 return -1; 7985 } 7986 7987 /* 7988 * If the public key of the package's signature does not match 7989 * our expected public key, then this is a different package and 7990 * we should skip. 7991 */ 7992 7993 final byte[] expectedPublicKey; 7994 try { 7995 final Signature verifierSig = pkg.mSignatures[0]; 7996 final PublicKey publicKey = verifierSig.getPublicKey(); 7997 expectedPublicKey = publicKey.getEncoded(); 7998 } catch (CertificateException e) { 7999 return -1; 8000 } 8001 8002 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8003 8004 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8005 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8006 + " does not have the expected public key; ignoring"); 8007 return -1; 8008 } 8009 8010 return pkg.applicationInfo.uid; 8011 } 8012 } 8013 8014 @Override 8015 public void finishPackageInstall(int token) { 8016 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8017 8018 if (DEBUG_INSTALL) { 8019 Slog.v(TAG, "BM finishing package install for " + token); 8020 } 8021 8022 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8023 mHandler.sendMessage(msg); 8024 } 8025 8026 /** 8027 * Get the verification agent timeout. 8028 * 8029 * @return verification timeout in milliseconds 8030 */ 8031 private long getVerificationTimeout() { 8032 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8033 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8034 DEFAULT_VERIFICATION_TIMEOUT); 8035 } 8036 8037 /** 8038 * Get the default verification agent response code. 8039 * 8040 * @return default verification response code 8041 */ 8042 private int getDefaultVerificationResponse() { 8043 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8044 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8045 DEFAULT_VERIFICATION_RESPONSE); 8046 } 8047 8048 /** 8049 * Check whether or not package verification has been enabled. 8050 * 8051 * @return true if verification should be performed 8052 */ 8053 private boolean isVerificationEnabled(int flags) { 8054 if (!DEFAULT_VERIFY_ENABLE) { 8055 return false; 8056 } 8057 8058 // Check if installing from ADB 8059 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8060 // Do not run verification in a test harness environment 8061 if (ActivityManager.isRunningInTestHarness()) { 8062 return false; 8063 } 8064 // Check if the developer does not want package verification for ADB installs 8065 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8066 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8067 return false; 8068 } 8069 } 8070 8071 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8072 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8073 } 8074 8075 /** 8076 * Get the "allow unknown sources" setting. 8077 * 8078 * @return the current "allow unknown sources" setting 8079 */ 8080 private int getUnknownSourcesSettings() { 8081 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8082 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8083 -1); 8084 } 8085 8086 @Override 8087 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8088 final int uid = Binder.getCallingUid(); 8089 // writer 8090 synchronized (mPackages) { 8091 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8092 if (targetPackageSetting == null) { 8093 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8094 } 8095 8096 PackageSetting installerPackageSetting; 8097 if (installerPackageName != null) { 8098 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8099 if (installerPackageSetting == null) { 8100 throw new IllegalArgumentException("Unknown installer package: " 8101 + installerPackageName); 8102 } 8103 } else { 8104 installerPackageSetting = null; 8105 } 8106 8107 Signature[] callerSignature; 8108 Object obj = mSettings.getUserIdLPr(uid); 8109 if (obj != null) { 8110 if (obj instanceof SharedUserSetting) { 8111 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8112 } else if (obj instanceof PackageSetting) { 8113 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8114 } else { 8115 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8116 } 8117 } else { 8118 throw new SecurityException("Unknown calling uid " + uid); 8119 } 8120 8121 // Verify: can't set installerPackageName to a package that is 8122 // not signed with the same cert as the caller. 8123 if (installerPackageSetting != null) { 8124 if (compareSignatures(callerSignature, 8125 installerPackageSetting.signatures.mSignatures) 8126 != PackageManager.SIGNATURE_MATCH) { 8127 throw new SecurityException( 8128 "Caller does not have same cert as new installer package " 8129 + installerPackageName); 8130 } 8131 } 8132 8133 // Verify: if target already has an installer package, it must 8134 // be signed with the same cert as the caller. 8135 if (targetPackageSetting.installerPackageName != null) { 8136 PackageSetting setting = mSettings.mPackages.get( 8137 targetPackageSetting.installerPackageName); 8138 // If the currently set package isn't valid, then it's always 8139 // okay to change it. 8140 if (setting != null) { 8141 if (compareSignatures(callerSignature, 8142 setting.signatures.mSignatures) 8143 != PackageManager.SIGNATURE_MATCH) { 8144 throw new SecurityException( 8145 "Caller does not have same cert as old installer package " 8146 + targetPackageSetting.installerPackageName); 8147 } 8148 } 8149 } 8150 8151 // Okay! 8152 targetPackageSetting.installerPackageName = installerPackageName; 8153 scheduleWriteSettingsLocked(); 8154 } 8155 } 8156 8157 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8158 // Queue up an async operation since the package installation may take a little while. 8159 mHandler.post(new Runnable() { 8160 public void run() { 8161 mHandler.removeCallbacks(this); 8162 // Result object to be returned 8163 PackageInstalledInfo res = new PackageInstalledInfo(); 8164 res.returnCode = currentStatus; 8165 res.uid = -1; 8166 res.pkg = null; 8167 res.removedInfo = new PackageRemovedInfo(); 8168 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8169 args.doPreInstall(res.returnCode); 8170 synchronized (mInstallLock) { 8171 installPackageLI(args, true, res); 8172 } 8173 args.doPostInstall(res.returnCode, res.uid); 8174 } 8175 8176 // A restore should be performed at this point if (a) the install 8177 // succeeded, (b) the operation is not an update, and (c) the new 8178 // package has a backupAgent defined. 8179 final boolean update = res.removedInfo.removedPackage != null; 8180 boolean doRestore = (!update 8181 && res.pkg != null 8182 && res.pkg.applicationInfo.backupAgentName != null); 8183 8184 // Set up the post-install work request bookkeeping. This will be used 8185 // and cleaned up by the post-install event handling regardless of whether 8186 // there's a restore pass performed. Token values are >= 1. 8187 int token; 8188 if (mNextInstallToken < 0) mNextInstallToken = 1; 8189 token = mNextInstallToken++; 8190 8191 PostInstallData data = new PostInstallData(args, res); 8192 mRunningInstalls.put(token, data); 8193 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8194 8195 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8196 // Pass responsibility to the Backup Manager. It will perform a 8197 // restore if appropriate, then pass responsibility back to the 8198 // Package Manager to run the post-install observer callbacks 8199 // and broadcasts. 8200 IBackupManager bm = IBackupManager.Stub.asInterface( 8201 ServiceManager.getService(Context.BACKUP_SERVICE)); 8202 if (bm != null) { 8203 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8204 + " to BM for possible restore"); 8205 try { 8206 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8207 } catch (RemoteException e) { 8208 // can't happen; the backup manager is local 8209 } catch (Exception e) { 8210 Slog.e(TAG, "Exception trying to enqueue restore", e); 8211 doRestore = false; 8212 } 8213 } else { 8214 Slog.e(TAG, "Backup Manager not found!"); 8215 doRestore = false; 8216 } 8217 } 8218 8219 if (!doRestore) { 8220 // No restore possible, or the Backup Manager was mysteriously not 8221 // available -- just fire the post-install work request directly. 8222 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8223 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8224 mHandler.sendMessage(msg); 8225 } 8226 } 8227 }); 8228 } 8229 8230 private abstract class HandlerParams { 8231 private static final int MAX_RETRIES = 4; 8232 8233 /** 8234 * Number of times startCopy() has been attempted and had a non-fatal 8235 * error. 8236 */ 8237 private int mRetries = 0; 8238 8239 /** User handle for the user requesting the information or installation. */ 8240 private final UserHandle mUser; 8241 8242 HandlerParams(UserHandle user) { 8243 mUser = user; 8244 } 8245 8246 UserHandle getUser() { 8247 return mUser; 8248 } 8249 8250 final boolean startCopy() { 8251 boolean res; 8252 try { 8253 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8254 8255 if (++mRetries > MAX_RETRIES) { 8256 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8257 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8258 handleServiceError(); 8259 return false; 8260 } else { 8261 handleStartCopy(); 8262 res = true; 8263 } 8264 } catch (RemoteException e) { 8265 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8266 mHandler.sendEmptyMessage(MCS_RECONNECT); 8267 res = false; 8268 } 8269 handleReturnCode(); 8270 return res; 8271 } 8272 8273 final void serviceError() { 8274 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8275 handleServiceError(); 8276 handleReturnCode(); 8277 } 8278 8279 abstract void handleStartCopy() throws RemoteException; 8280 abstract void handleServiceError(); 8281 abstract void handleReturnCode(); 8282 } 8283 8284 class MeasureParams extends HandlerParams { 8285 private final PackageStats mStats; 8286 private boolean mSuccess; 8287 8288 private final IPackageStatsObserver mObserver; 8289 8290 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8291 super(new UserHandle(stats.userHandle)); 8292 mObserver = observer; 8293 mStats = stats; 8294 } 8295 8296 @Override 8297 public String toString() { 8298 return "MeasureParams{" 8299 + Integer.toHexString(System.identityHashCode(this)) 8300 + " " + mStats.packageName + "}"; 8301 } 8302 8303 @Override 8304 void handleStartCopy() throws RemoteException { 8305 synchronized (mInstallLock) { 8306 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8307 } 8308 8309 if (mSuccess) { 8310 final boolean mounted; 8311 if (Environment.isExternalStorageEmulated()) { 8312 mounted = true; 8313 } else { 8314 final String status = Environment.getExternalStorageState(); 8315 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8316 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8317 } 8318 8319 if (mounted) { 8320 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8321 8322 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8323 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8324 8325 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8326 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8327 8328 // Always subtract cache size, since it's a subdirectory 8329 mStats.externalDataSize -= mStats.externalCacheSize; 8330 8331 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8332 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8333 8334 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8335 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8336 } 8337 } 8338 } 8339 8340 @Override 8341 void handleReturnCode() { 8342 if (mObserver != null) { 8343 try { 8344 mObserver.onGetStatsCompleted(mStats, mSuccess); 8345 } catch (RemoteException e) { 8346 Slog.i(TAG, "Observer no longer exists."); 8347 } 8348 } 8349 } 8350 8351 @Override 8352 void handleServiceError() { 8353 Slog.e(TAG, "Could not measure application " + mStats.packageName 8354 + " external storage"); 8355 } 8356 } 8357 8358 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8359 throws RemoteException { 8360 long result = 0; 8361 for (File path : paths) { 8362 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8363 } 8364 return result; 8365 } 8366 8367 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8368 for (File path : paths) { 8369 try { 8370 mcs.clearDirectory(path.getAbsolutePath()); 8371 } catch (RemoteException e) { 8372 } 8373 } 8374 } 8375 8376 class InstallParams extends HandlerParams { 8377 final IPackageInstallObserver observer; 8378 final IPackageInstallObserver2 observer2; 8379 int flags; 8380 8381 private final Uri mPackageURI; 8382 final String installerPackageName; 8383 final VerificationParams verificationParams; 8384 private InstallArgs mArgs; 8385 private int mRet; 8386 private File mTempPackage; 8387 final ContainerEncryptionParams encryptionParams; 8388 final String packageAbiOverride; 8389 final String packageInstructionSetOverride; 8390 8391 InstallParams(Uri packageURI, 8392 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8393 int flags, String installerPackageName, VerificationParams verificationParams, 8394 ContainerEncryptionParams encryptionParams, UserHandle user, 8395 String packageAbiOverride) { 8396 super(user); 8397 this.mPackageURI = packageURI; 8398 this.flags = flags; 8399 this.observer = observer; 8400 this.observer2 = observer2; 8401 this.installerPackageName = installerPackageName; 8402 this.verificationParams = verificationParams; 8403 this.encryptionParams = encryptionParams; 8404 this.packageAbiOverride = packageAbiOverride; 8405 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8406 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8407 } 8408 8409 @Override 8410 public String toString() { 8411 return "InstallParams{" 8412 + Integer.toHexString(System.identityHashCode(this)) 8413 + " " + mPackageURI + "}"; 8414 } 8415 8416 public ManifestDigest getManifestDigest() { 8417 if (verificationParams == null) { 8418 return null; 8419 } 8420 return verificationParams.getManifestDigest(); 8421 } 8422 8423 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8424 String packageName = pkgLite.packageName; 8425 int installLocation = pkgLite.installLocation; 8426 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8427 // reader 8428 synchronized (mPackages) { 8429 PackageParser.Package pkg = mPackages.get(packageName); 8430 if (pkg != null) { 8431 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8432 // Check for downgrading. 8433 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8434 if (pkgLite.versionCode < pkg.mVersionCode) { 8435 Slog.w(TAG, "Can't install update of " + packageName 8436 + " update version " + pkgLite.versionCode 8437 + " is older than installed version " 8438 + pkg.mVersionCode); 8439 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8440 } 8441 } 8442 // Check for updated system application. 8443 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8444 if (onSd) { 8445 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8446 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8447 } 8448 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8449 } else { 8450 if (onSd) { 8451 // Install flag overrides everything. 8452 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8453 } 8454 // If current upgrade specifies particular preference 8455 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8456 // Application explicitly specified internal. 8457 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8458 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8459 // App explictly prefers external. Let policy decide 8460 } else { 8461 // Prefer previous location 8462 if (isExternal(pkg)) { 8463 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8464 } 8465 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8466 } 8467 } 8468 } else { 8469 // Invalid install. Return error code 8470 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8471 } 8472 } 8473 } 8474 // All the special cases have been taken care of. 8475 // Return result based on recommended install location. 8476 if (onSd) { 8477 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8478 } 8479 return pkgLite.recommendedInstallLocation; 8480 } 8481 8482 private long getMemoryLowThreshold() { 8483 final DeviceStorageMonitorInternal 8484 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8485 if (dsm == null) { 8486 return 0L; 8487 } 8488 return dsm.getMemoryLowThreshold(); 8489 } 8490 8491 /* 8492 * Invoke remote method to get package information and install 8493 * location values. Override install location based on default 8494 * policy if needed and then create install arguments based 8495 * on the install location. 8496 */ 8497 public void handleStartCopy() throws RemoteException { 8498 int ret = PackageManager.INSTALL_SUCCEEDED; 8499 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8500 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8501 PackageInfoLite pkgLite = null; 8502 8503 if (onInt && onSd) { 8504 // Check if both bits are set. 8505 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8506 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8507 } else { 8508 final long lowThreshold = getMemoryLowThreshold(); 8509 if (lowThreshold == 0L) { 8510 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8511 } 8512 8513 try { 8514 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8515 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8516 8517 final File packageFile; 8518 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8519 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8520 if (mTempPackage != null) { 8521 ParcelFileDescriptor out; 8522 try { 8523 out = ParcelFileDescriptor.open(mTempPackage, 8524 ParcelFileDescriptor.MODE_READ_WRITE); 8525 } catch (FileNotFoundException e) { 8526 out = null; 8527 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8528 } 8529 8530 // Make a temporary file for decryption. 8531 ret = mContainerService 8532 .copyResource(mPackageURI, encryptionParams, out); 8533 IoUtils.closeQuietly(out); 8534 8535 packageFile = mTempPackage; 8536 8537 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8538 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8539 | FileUtils.S_IROTH, 8540 -1, -1); 8541 } else { 8542 packageFile = null; 8543 } 8544 } else { 8545 packageFile = new File(mPackageURI.getPath()); 8546 } 8547 8548 if (packageFile != null) { 8549 // Remote call to find out default install location 8550 final String packageFilePath = packageFile.getAbsolutePath(); 8551 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8552 lowThreshold, packageAbiOverride); 8553 8554 /* 8555 * If we have too little free space, try to free cache 8556 * before giving up. 8557 */ 8558 if (pkgLite.recommendedInstallLocation 8559 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8560 final long size = mContainerService.calculateInstalledSize( 8561 packageFilePath, isForwardLocked(), packageAbiOverride); 8562 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8563 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8564 flags, lowThreshold, packageAbiOverride); 8565 } 8566 /* 8567 * The cache free must have deleted the file we 8568 * downloaded to install. 8569 * 8570 * TODO: fix the "freeCache" call to not delete 8571 * the file we care about. 8572 */ 8573 if (pkgLite.recommendedInstallLocation 8574 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8575 pkgLite.recommendedInstallLocation 8576 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8577 } 8578 } 8579 } 8580 } finally { 8581 mContext.revokeUriPermission(mPackageURI, 8582 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8583 } 8584 } 8585 8586 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8587 int loc = pkgLite.recommendedInstallLocation; 8588 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8589 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8590 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8591 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8592 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8593 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8594 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8595 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8596 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8597 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8598 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8599 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8600 } else { 8601 // Override with defaults if needed. 8602 loc = installLocationPolicy(pkgLite, flags); 8603 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8604 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8605 } else if (!onSd && !onInt) { 8606 // Override install location with flags 8607 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8608 // Set the flag to install on external media. 8609 flags |= PackageManager.INSTALL_EXTERNAL; 8610 flags &= ~PackageManager.INSTALL_INTERNAL; 8611 } else { 8612 // Make sure the flag for installing on external 8613 // media is unset 8614 flags |= PackageManager.INSTALL_INTERNAL; 8615 flags &= ~PackageManager.INSTALL_EXTERNAL; 8616 } 8617 } 8618 } 8619 } 8620 8621 final InstallArgs args = createInstallArgs(this); 8622 mArgs = args; 8623 8624 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8625 /* 8626 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8627 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8628 */ 8629 int userIdentifier = getUser().getIdentifier(); 8630 if (userIdentifier == UserHandle.USER_ALL 8631 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8632 userIdentifier = UserHandle.USER_OWNER; 8633 } 8634 8635 /* 8636 * Determine if we have any installed package verifiers. If we 8637 * do, then we'll defer to them to verify the packages. 8638 */ 8639 final int requiredUid = mRequiredVerifierPackage == null ? -1 8640 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8641 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8642 final Intent verification = new Intent( 8643 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8644 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8645 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8646 8647 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8648 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8649 0 /* TODO: Which userId? */); 8650 8651 if (DEBUG_VERIFY) { 8652 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8653 + verification.toString() + " with " + pkgLite.verifiers.length 8654 + " optional verifiers"); 8655 } 8656 8657 final int verificationId = mPendingVerificationToken++; 8658 8659 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8660 8661 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8662 installerPackageName); 8663 8664 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8665 8666 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8667 pkgLite.packageName); 8668 8669 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8670 pkgLite.versionCode); 8671 8672 if (verificationParams != null) { 8673 if (verificationParams.getVerificationURI() != null) { 8674 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8675 verificationParams.getVerificationURI()); 8676 } 8677 if (verificationParams.getOriginatingURI() != null) { 8678 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8679 verificationParams.getOriginatingURI()); 8680 } 8681 if (verificationParams.getReferrer() != null) { 8682 verification.putExtra(Intent.EXTRA_REFERRER, 8683 verificationParams.getReferrer()); 8684 } 8685 if (verificationParams.getOriginatingUid() >= 0) { 8686 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8687 verificationParams.getOriginatingUid()); 8688 } 8689 if (verificationParams.getInstallerUid() >= 0) { 8690 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8691 verificationParams.getInstallerUid()); 8692 } 8693 } 8694 8695 final PackageVerificationState verificationState = new PackageVerificationState( 8696 requiredUid, args); 8697 8698 mPendingVerification.append(verificationId, verificationState); 8699 8700 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8701 receivers, verificationState); 8702 8703 /* 8704 * If any sufficient verifiers were listed in the package 8705 * manifest, attempt to ask them. 8706 */ 8707 if (sufficientVerifiers != null) { 8708 final int N = sufficientVerifiers.size(); 8709 if (N == 0) { 8710 Slog.i(TAG, "Additional verifiers required, but none installed."); 8711 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8712 } else { 8713 for (int i = 0; i < N; i++) { 8714 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8715 8716 final Intent sufficientIntent = new Intent(verification); 8717 sufficientIntent.setComponent(verifierComponent); 8718 8719 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8720 } 8721 } 8722 } 8723 8724 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8725 mRequiredVerifierPackage, receivers); 8726 if (ret == PackageManager.INSTALL_SUCCEEDED 8727 && mRequiredVerifierPackage != null) { 8728 /* 8729 * Send the intent to the required verification agent, 8730 * but only start the verification timeout after the 8731 * target BroadcastReceivers have run. 8732 */ 8733 verification.setComponent(requiredVerifierComponent); 8734 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8735 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8736 new BroadcastReceiver() { 8737 @Override 8738 public void onReceive(Context context, Intent intent) { 8739 final Message msg = mHandler 8740 .obtainMessage(CHECK_PENDING_VERIFICATION); 8741 msg.arg1 = verificationId; 8742 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8743 } 8744 }, null, 0, null, null); 8745 8746 /* 8747 * We don't want the copy to proceed until verification 8748 * succeeds, so null out this field. 8749 */ 8750 mArgs = null; 8751 } 8752 } else { 8753 /* 8754 * No package verification is enabled, so immediately start 8755 * the remote call to initiate copy using temporary file. 8756 */ 8757 ret = args.copyApk(mContainerService, true); 8758 } 8759 } 8760 8761 mRet = ret; 8762 } 8763 8764 @Override 8765 void handleReturnCode() { 8766 // If mArgs is null, then MCS couldn't be reached. When it 8767 // reconnects, it will try again to install. At that point, this 8768 // will succeed. 8769 if (mArgs != null) { 8770 processPendingInstall(mArgs, mRet); 8771 8772 if (mTempPackage != null) { 8773 if (!mTempPackage.delete()) { 8774 Slog.w(TAG, "Couldn't delete temporary file: " + 8775 mTempPackage.getAbsolutePath()); 8776 } 8777 } 8778 } 8779 } 8780 8781 @Override 8782 void handleServiceError() { 8783 mArgs = createInstallArgs(this); 8784 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8785 } 8786 8787 public boolean isForwardLocked() { 8788 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8789 } 8790 8791 public Uri getPackageUri() { 8792 if (mTempPackage != null) { 8793 return Uri.fromFile(mTempPackage); 8794 } else { 8795 return mPackageURI; 8796 } 8797 } 8798 } 8799 8800 /* 8801 * Utility class used in movePackage api. 8802 * srcArgs and targetArgs are not set for invalid flags and make 8803 * sure to do null checks when invoking methods on them. 8804 * We probably want to return ErrorPrams for both failed installs 8805 * and moves. 8806 */ 8807 class MoveParams extends HandlerParams { 8808 final IPackageMoveObserver observer; 8809 final int flags; 8810 final String packageName; 8811 final InstallArgs srcArgs; 8812 final InstallArgs targetArgs; 8813 int uid; 8814 int mRet; 8815 8816 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8817 String packageName, String dataDir, String instructionSet, 8818 int uid, UserHandle user) { 8819 super(user); 8820 this.srcArgs = srcArgs; 8821 this.observer = observer; 8822 this.flags = flags; 8823 this.packageName = packageName; 8824 this.uid = uid; 8825 if (srcArgs != null) { 8826 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8827 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8828 } else { 8829 targetArgs = null; 8830 } 8831 } 8832 8833 @Override 8834 public String toString() { 8835 return "MoveParams{" 8836 + Integer.toHexString(System.identityHashCode(this)) 8837 + " " + packageName + "}"; 8838 } 8839 8840 public void handleStartCopy() throws RemoteException { 8841 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8842 // Check for storage space on target medium 8843 if (!targetArgs.checkFreeStorage(mContainerService)) { 8844 Log.w(TAG, "Insufficient storage to install"); 8845 return; 8846 } 8847 8848 mRet = srcArgs.doPreCopy(); 8849 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8850 return; 8851 } 8852 8853 mRet = targetArgs.copyApk(mContainerService, false); 8854 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8855 srcArgs.doPostCopy(uid); 8856 return; 8857 } 8858 8859 mRet = srcArgs.doPostCopy(uid); 8860 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8861 return; 8862 } 8863 8864 mRet = targetArgs.doPreInstall(mRet); 8865 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8866 return; 8867 } 8868 8869 if (DEBUG_SD_INSTALL) { 8870 StringBuilder builder = new StringBuilder(); 8871 if (srcArgs != null) { 8872 builder.append("src: "); 8873 builder.append(srcArgs.getCodePath()); 8874 } 8875 if (targetArgs != null) { 8876 builder.append(" target : "); 8877 builder.append(targetArgs.getCodePath()); 8878 } 8879 Log.i(TAG, builder.toString()); 8880 } 8881 } 8882 8883 @Override 8884 void handleReturnCode() { 8885 targetArgs.doPostInstall(mRet, uid); 8886 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8887 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8888 currentStatus = PackageManager.MOVE_SUCCEEDED; 8889 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8890 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8891 } 8892 processPendingMove(this, currentStatus); 8893 } 8894 8895 @Override 8896 void handleServiceError() { 8897 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8898 } 8899 } 8900 8901 /** 8902 * Used during creation of InstallArgs 8903 * 8904 * @param flags package installation flags 8905 * @return true if should be installed on external storage 8906 */ 8907 private static boolean installOnSd(int flags) { 8908 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8909 return false; 8910 } 8911 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8912 return true; 8913 } 8914 return false; 8915 } 8916 8917 /** 8918 * Used during creation of InstallArgs 8919 * 8920 * @param flags package installation flags 8921 * @return true if should be installed as forward locked 8922 */ 8923 private static boolean installForwardLocked(int flags) { 8924 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8925 } 8926 8927 private InstallArgs createInstallArgs(InstallParams params) { 8928 if (installOnSd(params.flags) || params.isForwardLocked()) { 8929 return new AsecInstallArgs(params); 8930 } else { 8931 return new FileInstallArgs(params); 8932 } 8933 } 8934 8935 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8936 String nativeLibraryPath, String instructionSet) { 8937 final boolean isInAsec; 8938 if (installOnSd(flags)) { 8939 /* Apps on SD card are always in ASEC containers. */ 8940 isInAsec = true; 8941 } else if (installForwardLocked(flags) 8942 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8943 /* 8944 * Forward-locked apps are only in ASEC containers if they're the 8945 * new style 8946 */ 8947 isInAsec = true; 8948 } else { 8949 isInAsec = false; 8950 } 8951 8952 if (isInAsec) { 8953 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8954 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8955 } else { 8956 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8957 instructionSet); 8958 } 8959 } 8960 8961 // Used by package mover 8962 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8963 String instructionSet) { 8964 if (installOnSd(flags) || installForwardLocked(flags)) { 8965 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8966 + AsecInstallArgs.RES_FILE_NAME); 8967 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8968 installForwardLocked(flags)); 8969 } else { 8970 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8971 } 8972 } 8973 8974 static abstract class InstallArgs { 8975 final IPackageInstallObserver observer; 8976 final IPackageInstallObserver2 observer2; 8977 // Always refers to PackageManager flags only 8978 final int flags; 8979 final Uri packageURI; 8980 final String installerPackageName; 8981 final ManifestDigest manifestDigest; 8982 final UserHandle user; 8983 final String instructionSet; 8984 final String abiOverride; 8985 8986 InstallArgs(Uri packageURI, 8987 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8988 int flags, String installerPackageName, ManifestDigest manifestDigest, 8989 UserHandle user, String instructionSet, String abiOverride) { 8990 this.packageURI = packageURI; 8991 this.flags = flags; 8992 this.observer = observer; 8993 this.observer2 = observer2; 8994 this.installerPackageName = installerPackageName; 8995 this.manifestDigest = manifestDigest; 8996 this.user = user; 8997 this.instructionSet = instructionSet; 8998 this.abiOverride = abiOverride; 8999 } 9000 9001 abstract void createCopyFile(); 9002 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9003 abstract int doPreInstall(int status); 9004 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9005 9006 abstract int doPostInstall(int status, int uid); 9007 abstract String getCodePath(); 9008 abstract String getResourcePath(); 9009 abstract String getNativeLibraryPath(); 9010 // Need installer lock especially for dex file removal. 9011 abstract void cleanUpResourcesLI(); 9012 abstract boolean doPostDeleteLI(boolean delete); 9013 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9014 9015 String[] getSplitCodePaths() { 9016 return null; 9017 } 9018 9019 /** 9020 * Called before the source arguments are copied. This is used mostly 9021 * for MoveParams when it needs to read the source file to put it in the 9022 * destination. 9023 */ 9024 int doPreCopy() { 9025 return PackageManager.INSTALL_SUCCEEDED; 9026 } 9027 9028 /** 9029 * Called after the source arguments are copied. This is used mostly for 9030 * MoveParams when it needs to read the source file to put it in the 9031 * destination. 9032 * 9033 * @return 9034 */ 9035 int doPostCopy(int uid) { 9036 return PackageManager.INSTALL_SUCCEEDED; 9037 } 9038 9039 protected boolean isFwdLocked() { 9040 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9041 } 9042 9043 UserHandle getUser() { 9044 return user; 9045 } 9046 } 9047 9048 class FileInstallArgs extends InstallArgs { 9049 File installDir; 9050 String codeFileName; 9051 String resourceFileName; 9052 String libraryPath; 9053 boolean created = false; 9054 9055 FileInstallArgs(InstallParams params) { 9056 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9057 params.installerPackageName, params.getManifestDigest(), 9058 params.getUser(), params.packageInstructionSetOverride, 9059 params.packageAbiOverride); 9060 } 9061 9062 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9063 String instructionSet) { 9064 super(null, null, null, 0, null, null, null, instructionSet, null); 9065 File codeFile = new File(fullCodePath); 9066 installDir = codeFile.getParentFile(); 9067 codeFileName = fullCodePath; 9068 resourceFileName = fullResourcePath; 9069 libraryPath = nativeLibraryPath; 9070 } 9071 9072 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9073 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9074 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9075 String apkName = getNextCodePath(null, pkgName, ".apk"); 9076 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9077 resourceFileName = getResourcePathFromCodePath(); 9078 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9079 } 9080 9081 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9082 final long lowThreshold; 9083 9084 final DeviceStorageMonitorInternal 9085 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9086 if (dsm == null) { 9087 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9088 lowThreshold = 0L; 9089 } else { 9090 if (dsm.isMemoryLow()) { 9091 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9092 return false; 9093 } 9094 9095 lowThreshold = dsm.getMemoryLowThreshold(); 9096 } 9097 9098 try { 9099 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9100 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9101 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9102 } finally { 9103 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9104 } 9105 } 9106 9107 void createCopyFile() { 9108 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9109 codeFileName = createTempPackageFile(installDir).getPath(); 9110 resourceFileName = getResourcePathFromCodePath(); 9111 libraryPath = getLibraryPathFromCodePath(); 9112 created = true; 9113 } 9114 9115 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9116 if (temp) { 9117 // Generate temp file name 9118 createCopyFile(); 9119 } 9120 // Get a ParcelFileDescriptor to write to the output file 9121 File codeFile = new File(codeFileName); 9122 if (!created) { 9123 try { 9124 codeFile.createNewFile(); 9125 // Set permissions 9126 if (!setPermissions()) { 9127 // Failed setting permissions. 9128 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9129 } 9130 } catch (IOException e) { 9131 Slog.w(TAG, "Failed to create file " + codeFile); 9132 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9133 } 9134 } 9135 ParcelFileDescriptor out = null; 9136 try { 9137 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9138 } catch (FileNotFoundException e) { 9139 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9140 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9141 } 9142 // Copy the resource now 9143 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9144 try { 9145 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9146 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9147 ret = imcs.copyResource(packageURI, null, out); 9148 } finally { 9149 IoUtils.closeQuietly(out); 9150 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9151 } 9152 9153 if (isFwdLocked()) { 9154 final File destResourceFile = new File(getResourcePath()); 9155 9156 // Copy the public files 9157 try { 9158 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9159 } catch (IOException e) { 9160 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9161 + " forward-locked app."); 9162 destResourceFile.delete(); 9163 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9164 } 9165 } 9166 9167 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9168 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9169 if (nativeLibraryFile.exists()) { 9170 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9171 nativeLibraryFile.delete(); 9172 } 9173 9174 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9175 String[] abiList = (abiOverride != null) ? 9176 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9177 try { 9178 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9179 abiOverride == null && 9180 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9181 abiList = Build.SUPPORTED_32_BIT_ABIS; 9182 } 9183 9184 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9185 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9186 return copyRet; 9187 } 9188 } catch (IOException e) { 9189 Slog.e(TAG, "Copying native libraries failed", e); 9190 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9191 } finally { 9192 handle.close(); 9193 } 9194 9195 return ret; 9196 } 9197 9198 int doPreInstall(int status) { 9199 if (status != PackageManager.INSTALL_SUCCEEDED) { 9200 cleanUp(); 9201 } 9202 return status; 9203 } 9204 9205 boolean doRename(int status, final String pkgName, String oldCodePath) { 9206 if (status != PackageManager.INSTALL_SUCCEEDED) { 9207 cleanUp(); 9208 return false; 9209 } else { 9210 final File oldCodeFile = new File(getCodePath()); 9211 final File oldResourceFile = new File(getResourcePath()); 9212 final File oldLibraryFile = new File(getNativeLibraryPath()); 9213 9214 // Rename APK file based on packageName 9215 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9216 final File newCodeFile = new File(installDir, apkName + ".apk"); 9217 if (!oldCodeFile.renameTo(newCodeFile)) { 9218 return false; 9219 } 9220 codeFileName = newCodeFile.getPath(); 9221 9222 // Rename public resource file if it's forward-locked. 9223 final File newResFile = new File(getResourcePathFromCodePath()); 9224 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9225 return false; 9226 } 9227 resourceFileName = newResFile.getPath(); 9228 9229 // Rename library path 9230 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9231 if (newLibraryFile.exists()) { 9232 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9233 newLibraryFile.delete(); 9234 } 9235 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9236 Slog.e(TAG, "Cannot rename native library directory " 9237 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9238 return false; 9239 } 9240 libraryPath = newLibraryFile.getPath(); 9241 9242 // Attempt to set permissions 9243 if (!setPermissions()) { 9244 return false; 9245 } 9246 9247 if (!SELinux.restorecon(newCodeFile)) { 9248 return false; 9249 } 9250 9251 return true; 9252 } 9253 } 9254 9255 int doPostInstall(int status, int uid) { 9256 if (status != PackageManager.INSTALL_SUCCEEDED) { 9257 cleanUp(); 9258 } 9259 return status; 9260 } 9261 9262 private String getResourcePathFromCodePath() { 9263 final String codePath = getCodePath(); 9264 if (isFwdLocked()) { 9265 final StringBuilder sb = new StringBuilder(); 9266 9267 sb.append(mAppInstallDir.getPath()); 9268 sb.append('/'); 9269 sb.append(getApkName(codePath)); 9270 sb.append(".zip"); 9271 9272 /* 9273 * If our APK is a temporary file, mark the resource as a 9274 * temporary file as well so it can be cleaned up after 9275 * catastrophic failure. 9276 */ 9277 if (codePath.endsWith(".tmp")) { 9278 sb.append(".tmp"); 9279 } 9280 9281 return sb.toString(); 9282 } else { 9283 return codePath; 9284 } 9285 } 9286 9287 private String getLibraryPathFromCodePath() { 9288 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9289 } 9290 9291 @Override 9292 String getCodePath() { 9293 return codeFileName; 9294 } 9295 9296 @Override 9297 String getResourcePath() { 9298 return resourceFileName; 9299 } 9300 9301 @Override 9302 String getNativeLibraryPath() { 9303 if (libraryPath == null) { 9304 libraryPath = getLibraryPathFromCodePath(); 9305 } 9306 return libraryPath; 9307 } 9308 9309 private boolean cleanUp() { 9310 boolean ret = true; 9311 String sourceDir = getCodePath(); 9312 String publicSourceDir = getResourcePath(); 9313 if (sourceDir != null) { 9314 File sourceFile = new File(sourceDir); 9315 if (!sourceFile.exists()) { 9316 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9317 ret = false; 9318 } 9319 // Delete application's code and resources 9320 sourceFile.delete(); 9321 } 9322 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9323 final File publicSourceFile = new File(publicSourceDir); 9324 if (!publicSourceFile.exists()) { 9325 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9326 } 9327 if (publicSourceFile.exists()) { 9328 publicSourceFile.delete(); 9329 } 9330 } 9331 9332 if (libraryPath != null) { 9333 File nativeLibraryFile = new File(libraryPath); 9334 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9335 if (!nativeLibraryFile.delete()) { 9336 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9337 } 9338 } 9339 9340 return ret; 9341 } 9342 9343 void cleanUpResourcesLI() { 9344 String sourceDir = getCodePath(); 9345 if (cleanUp()) { 9346 if (instructionSet == null) { 9347 throw new IllegalStateException("instructionSet == null"); 9348 } 9349 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9350 if (retCode < 0) { 9351 Slog.w(TAG, "Couldn't remove dex file for package: " 9352 + " at location " 9353 + sourceDir + ", retcode=" + retCode); 9354 // we don't consider this to be a failure of the core package deletion 9355 } 9356 } 9357 } 9358 9359 private boolean setPermissions() { 9360 // TODO Do this in a more elegant way later on. for now just a hack 9361 if (!isFwdLocked()) { 9362 final int filePermissions = 9363 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9364 |FileUtils.S_IROTH; 9365 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9366 if (retCode != 0) { 9367 Slog.e(TAG, "Couldn't set new package file permissions for " + 9368 getCodePath() 9369 + ". The return code was: " + retCode); 9370 // TODO Define new internal error 9371 return false; 9372 } 9373 return true; 9374 } 9375 return true; 9376 } 9377 9378 boolean doPostDeleteLI(boolean delete) { 9379 // XXX err, shouldn't we respect the delete flag? 9380 cleanUpResourcesLI(); 9381 return true; 9382 } 9383 } 9384 9385 private boolean isAsecExternal(String cid) { 9386 final String asecPath = PackageHelper.getSdFilesystem(cid); 9387 return !asecPath.startsWith(mAsecInternalPath); 9388 } 9389 9390 /** 9391 * Extract the MountService "container ID" from the full code path of an 9392 * .apk. 9393 */ 9394 static String cidFromCodePath(String fullCodePath) { 9395 int eidx = fullCodePath.lastIndexOf("/"); 9396 String subStr1 = fullCodePath.substring(0, eidx); 9397 int sidx = subStr1.lastIndexOf("/"); 9398 return subStr1.substring(sidx+1, eidx); 9399 } 9400 9401 class AsecInstallArgs extends InstallArgs { 9402 static final String RES_FILE_NAME = "pkg.apk"; 9403 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9404 9405 String cid; 9406 String packagePath; 9407 String resourcePath; 9408 String libraryPath; 9409 9410 AsecInstallArgs(InstallParams params) { 9411 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9412 params.installerPackageName, params.getManifestDigest(), 9413 params.getUser(), params.packageInstructionSetOverride, 9414 params.packageAbiOverride); 9415 } 9416 9417 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9418 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9419 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9420 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9421 null, null, null, instructionSet, null); 9422 // Extract cid from fullCodePath 9423 int eidx = fullCodePath.lastIndexOf("/"); 9424 String subStr1 = fullCodePath.substring(0, eidx); 9425 int sidx = subStr1.lastIndexOf("/"); 9426 cid = subStr1.substring(sidx+1, eidx); 9427 setCachePath(subStr1); 9428 } 9429 9430 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9431 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9432 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9433 null, null, null, instructionSet, null); 9434 this.cid = cid; 9435 setCachePath(PackageHelper.getSdDir(cid)); 9436 } 9437 9438 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9439 boolean isExternal, boolean isForwardLocked) { 9440 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9441 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9442 null, null, null, instructionSet, null); 9443 this.cid = cid; 9444 } 9445 9446 void createCopyFile() { 9447 cid = getTempContainerId(); 9448 } 9449 9450 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9451 try { 9452 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9453 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9454 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9455 } finally { 9456 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9457 } 9458 } 9459 9460 private final boolean isExternal() { 9461 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9462 } 9463 9464 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9465 if (temp) { 9466 createCopyFile(); 9467 } else { 9468 /* 9469 * Pre-emptively destroy the container since it's destroyed if 9470 * copying fails due to it existing anyway. 9471 */ 9472 PackageHelper.destroySdDir(cid); 9473 } 9474 9475 final String newCachePath; 9476 try { 9477 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9478 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9479 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9480 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9481 abiOverride); 9482 } finally { 9483 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9484 } 9485 9486 if (newCachePath != null) { 9487 setCachePath(newCachePath); 9488 return PackageManager.INSTALL_SUCCEEDED; 9489 } else { 9490 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9491 } 9492 } 9493 9494 @Override 9495 String getCodePath() { 9496 return packagePath; 9497 } 9498 9499 @Override 9500 String getResourcePath() { 9501 return resourcePath; 9502 } 9503 9504 @Override 9505 String getNativeLibraryPath() { 9506 return libraryPath; 9507 } 9508 9509 int doPreInstall(int status) { 9510 if (status != PackageManager.INSTALL_SUCCEEDED) { 9511 // Destroy container 9512 PackageHelper.destroySdDir(cid); 9513 } else { 9514 boolean mounted = PackageHelper.isContainerMounted(cid); 9515 if (!mounted) { 9516 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9517 Process.SYSTEM_UID); 9518 if (newCachePath != null) { 9519 setCachePath(newCachePath); 9520 } else { 9521 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9522 } 9523 } 9524 } 9525 return status; 9526 } 9527 9528 boolean doRename(int status, final String pkgName, 9529 String oldCodePath) { 9530 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9531 String newCachePath = null; 9532 if (PackageHelper.isContainerMounted(cid)) { 9533 // Unmount the container 9534 if (!PackageHelper.unMountSdDir(cid)) { 9535 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9536 return false; 9537 } 9538 } 9539 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9540 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9541 " which might be stale. Will try to clean up."); 9542 // Clean up the stale container and proceed to recreate. 9543 if (!PackageHelper.destroySdDir(newCacheId)) { 9544 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9545 return false; 9546 } 9547 // Successfully cleaned up stale container. Try to rename again. 9548 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9549 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9550 + " inspite of cleaning it up."); 9551 return false; 9552 } 9553 } 9554 if (!PackageHelper.isContainerMounted(newCacheId)) { 9555 Slog.w(TAG, "Mounting container " + newCacheId); 9556 newCachePath = PackageHelper.mountSdDir(newCacheId, 9557 getEncryptKey(), Process.SYSTEM_UID); 9558 } else { 9559 newCachePath = PackageHelper.getSdDir(newCacheId); 9560 } 9561 if (newCachePath == null) { 9562 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9563 return false; 9564 } 9565 Log.i(TAG, "Succesfully renamed " + cid + 9566 " to " + newCacheId + 9567 " at new path: " + newCachePath); 9568 cid = newCacheId; 9569 setCachePath(newCachePath); 9570 return true; 9571 } 9572 9573 private void setCachePath(String newCachePath) { 9574 File cachePath = new File(newCachePath); 9575 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9576 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9577 9578 if (isFwdLocked()) { 9579 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9580 } else { 9581 resourcePath = packagePath; 9582 } 9583 } 9584 9585 int doPostInstall(int status, int uid) { 9586 if (status != PackageManager.INSTALL_SUCCEEDED) { 9587 cleanUp(); 9588 } else { 9589 final int groupOwner; 9590 final String protectedFile; 9591 if (isFwdLocked()) { 9592 groupOwner = UserHandle.getSharedAppGid(uid); 9593 protectedFile = RES_FILE_NAME; 9594 } else { 9595 groupOwner = -1; 9596 protectedFile = null; 9597 } 9598 9599 if (uid < Process.FIRST_APPLICATION_UID 9600 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9601 Slog.e(TAG, "Failed to finalize " + cid); 9602 PackageHelper.destroySdDir(cid); 9603 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9604 } 9605 9606 boolean mounted = PackageHelper.isContainerMounted(cid); 9607 if (!mounted) { 9608 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9609 } 9610 } 9611 return status; 9612 } 9613 9614 private void cleanUp() { 9615 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9616 9617 // Destroy secure container 9618 PackageHelper.destroySdDir(cid); 9619 } 9620 9621 void cleanUpResourcesLI() { 9622 String sourceFile = getCodePath(); 9623 // Remove dex file 9624 if (instructionSet == null) { 9625 throw new IllegalStateException("instructionSet == null"); 9626 } 9627 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9628 if (retCode < 0) { 9629 Slog.w(TAG, "Couldn't remove dex file for package: " 9630 + " at location " 9631 + sourceFile.toString() + ", retcode=" + retCode); 9632 // we don't consider this to be a failure of the core package deletion 9633 } 9634 cleanUp(); 9635 } 9636 9637 boolean matchContainer(String app) { 9638 if (cid.startsWith(app)) { 9639 return true; 9640 } 9641 return false; 9642 } 9643 9644 String getPackageName() { 9645 return getAsecPackageName(cid); 9646 } 9647 9648 boolean doPostDeleteLI(boolean delete) { 9649 boolean ret = false; 9650 boolean mounted = PackageHelper.isContainerMounted(cid); 9651 if (mounted) { 9652 // Unmount first 9653 ret = PackageHelper.unMountSdDir(cid); 9654 } 9655 if (ret && delete) { 9656 cleanUpResourcesLI(); 9657 } 9658 return ret; 9659 } 9660 9661 @Override 9662 int doPreCopy() { 9663 if (isFwdLocked()) { 9664 if (!PackageHelper.fixSdPermissions(cid, 9665 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9666 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9667 } 9668 } 9669 9670 return PackageManager.INSTALL_SUCCEEDED; 9671 } 9672 9673 @Override 9674 int doPostCopy(int uid) { 9675 if (isFwdLocked()) { 9676 if (uid < Process.FIRST_APPLICATION_UID 9677 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9678 RES_FILE_NAME)) { 9679 Slog.e(TAG, "Failed to finalize " + cid); 9680 PackageHelper.destroySdDir(cid); 9681 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9682 } 9683 } 9684 9685 return PackageManager.INSTALL_SUCCEEDED; 9686 } 9687 } 9688 9689 static String getAsecPackageName(String packageCid) { 9690 int idx = packageCid.lastIndexOf("-"); 9691 if (idx == -1) { 9692 return packageCid; 9693 } 9694 return packageCid.substring(0, idx); 9695 } 9696 9697 // Utility method used to create code paths based on package name and available index. 9698 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9699 String idxStr = ""; 9700 int idx = 1; 9701 // Fall back to default value of idx=1 if prefix is not 9702 // part of oldCodePath 9703 if (oldCodePath != null) { 9704 String subStr = oldCodePath; 9705 // Drop the suffix right away 9706 if (subStr.endsWith(suffix)) { 9707 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9708 } 9709 // If oldCodePath already contains prefix find out the 9710 // ending index to either increment or decrement. 9711 int sidx = subStr.lastIndexOf(prefix); 9712 if (sidx != -1) { 9713 subStr = subStr.substring(sidx + prefix.length()); 9714 if (subStr != null) { 9715 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9716 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9717 } 9718 try { 9719 idx = Integer.parseInt(subStr); 9720 if (idx <= 1) { 9721 idx++; 9722 } else { 9723 idx--; 9724 } 9725 } catch(NumberFormatException e) { 9726 } 9727 } 9728 } 9729 } 9730 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9731 return prefix + idxStr; 9732 } 9733 9734 // Utility method used to ignore ADD/REMOVE events 9735 // by directory observer. 9736 private static boolean ignoreCodePath(String fullPathStr) { 9737 String apkName = getApkName(fullPathStr); 9738 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9739 if (idx != -1 && ((idx+1) < apkName.length())) { 9740 // Make sure the package ends with a numeral 9741 String version = apkName.substring(idx+1); 9742 try { 9743 Integer.parseInt(version); 9744 return true; 9745 } catch (NumberFormatException e) {} 9746 } 9747 return false; 9748 } 9749 9750 // Utility method that returns the relative package path with respect 9751 // to the installation directory. Like say for /data/data/com.test-1.apk 9752 // string com.test-1 is returned. 9753 static String getApkName(String codePath) { 9754 if (codePath == null) { 9755 return null; 9756 } 9757 int sidx = codePath.lastIndexOf("/"); 9758 int eidx = codePath.lastIndexOf("."); 9759 if (eidx == -1) { 9760 eidx = codePath.length(); 9761 } else if (eidx == 0) { 9762 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9763 return null; 9764 } 9765 return codePath.substring(sidx+1, eidx); 9766 } 9767 9768 private static String[] deriveSplitResPaths(String[] splitCodePaths) { 9769 String[] splitResPaths = null; 9770 if (!ArrayUtils.isEmpty(splitCodePaths)) { 9771 splitResPaths = new String[splitCodePaths.length]; 9772 for (int i = 0; i < splitCodePaths.length; i++) { 9773 final String splitCodePath = splitCodePaths[i]; 9774 final String resName = getApkName(splitCodePath) + ".zip"; 9775 splitResPaths[i] = new File(new File(splitCodePath).getParentFile(), 9776 resName).getAbsolutePath(); 9777 } 9778 } 9779 return splitResPaths; 9780 } 9781 9782 class PackageInstalledInfo { 9783 String name; 9784 int uid; 9785 // The set of users that originally had this package installed. 9786 int[] origUsers; 9787 // The set of users that now have this package installed. 9788 int[] newUsers; 9789 PackageParser.Package pkg; 9790 int returnCode; 9791 PackageRemovedInfo removedInfo; 9792 9793 // In some error cases we want to convey more info back to the observer 9794 String origPackage; 9795 String origPermission; 9796 } 9797 9798 /* 9799 * Install a non-existing package. 9800 */ 9801 private void installNewPackageLI(PackageParser.Package pkg, 9802 int parseFlags, int scanMode, UserHandle user, 9803 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9804 // Remember this for later, in case we need to rollback this install 9805 String pkgName = pkg.packageName; 9806 9807 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9808 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9809 synchronized(mPackages) { 9810 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9811 // A package with the same name is already installed, though 9812 // it has been renamed to an older name. The package we 9813 // are trying to install should be installed as an update to 9814 // the existing one, but that has not been requested, so bail. 9815 Slog.w(TAG, "Attempt to re-install " + pkgName 9816 + " without first uninstalling package running as " 9817 + mSettings.mRenamedPackages.get(pkgName)); 9818 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9819 return; 9820 } 9821 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) { 9822 // Don't allow installation over an existing package with the same name. 9823 Slog.w(TAG, "Attempt to re-install " + pkgName 9824 + " without first uninstalling."); 9825 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9826 return; 9827 } 9828 } 9829 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9830 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9831 System.currentTimeMillis(), user, abiOverride); 9832 if (newPackage == null) { 9833 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9834 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9835 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9836 } 9837 } else { 9838 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9839 // delete the partially installed application. the data directory will have to be 9840 // restored if it was already existing 9841 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9842 // remove package from internal structures. Note that we want deletePackageX to 9843 // delete the package data and cache directories that it created in 9844 // scanPackageLocked, unless those directories existed before we even tried to 9845 // install. 9846 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9847 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9848 res.removedInfo, true); 9849 } 9850 } 9851 } 9852 9853 private void replacePackageLI(PackageParser.Package pkg, 9854 int parseFlags, int scanMode, UserHandle user, 9855 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9856 9857 PackageParser.Package oldPackage; 9858 String pkgName = pkg.packageName; 9859 int[] allUsers; 9860 boolean[] perUserInstalled; 9861 9862 // First find the old package info and check signatures 9863 synchronized(mPackages) { 9864 oldPackage = mPackages.get(pkgName); 9865 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9866 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9867 != PackageManager.SIGNATURE_MATCH) { 9868 Slog.w(TAG, "New package has a different signature: " + pkgName); 9869 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9870 return; 9871 } 9872 9873 // In case of rollback, remember per-user/profile install state 9874 PackageSetting ps = mSettings.mPackages.get(pkgName); 9875 allUsers = sUserManager.getUserIds(); 9876 perUserInstalled = new boolean[allUsers.length]; 9877 for (int i = 0; i < allUsers.length; i++) { 9878 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9879 } 9880 } 9881 boolean sysPkg = (isSystemApp(oldPackage)); 9882 if (sysPkg) { 9883 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9884 user, allUsers, perUserInstalled, installerPackageName, res, 9885 abiOverride); 9886 } else { 9887 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9888 user, allUsers, perUserInstalled, installerPackageName, res, 9889 abiOverride); 9890 } 9891 } 9892 9893 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9894 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9895 int[] allUsers, boolean[] perUserInstalled, 9896 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9897 PackageParser.Package newPackage = null; 9898 String pkgName = deletedPackage.packageName; 9899 boolean deletedPkg = true; 9900 boolean updatedSettings = false; 9901 9902 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9903 + deletedPackage); 9904 long origUpdateTime; 9905 if (pkg.mExtras != null) { 9906 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9907 } else { 9908 origUpdateTime = 0; 9909 } 9910 9911 // First delete the existing package while retaining the data directory 9912 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9913 res.removedInfo, true)) { 9914 // If the existing package wasn't successfully deleted 9915 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9916 deletedPkg = false; 9917 } else { 9918 // Successfully deleted the old package. Now proceed with re-installation 9919 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9920 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9921 System.currentTimeMillis(), user, abiOverride); 9922 if (newPackage == null) { 9923 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 9924 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9925 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9926 } 9927 } else { 9928 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9929 updatedSettings = true; 9930 } 9931 } 9932 9933 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9934 // remove package from internal structures. Note that we want deletePackageX to 9935 // delete the package data and cache directories that it created in 9936 // scanPackageLocked, unless those directories existed before we even tried to 9937 // install. 9938 if(updatedSettings) { 9939 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9940 deletePackageLI( 9941 pkgName, null, true, allUsers, perUserInstalled, 9942 PackageManager.DELETE_KEEP_DATA, 9943 res.removedInfo, true); 9944 } 9945 // Since we failed to install the new package we need to restore the old 9946 // package that we deleted. 9947 if (deletedPkg) { 9948 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9949 File restoreFile = new File(deletedPackage.codePath); 9950 // Parse old package 9951 boolean oldOnSd = isExternal(deletedPackage); 9952 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9953 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9954 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9955 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9956 | SCAN_UPDATE_TIME; 9957 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9958 origUpdateTime, null, null) == null) { 9959 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9960 return; 9961 } 9962 // Restore of old package succeeded. Update permissions. 9963 // writer 9964 synchronized (mPackages) { 9965 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9966 UPDATE_PERMISSIONS_ALL); 9967 // can downgrade to reader 9968 mSettings.writeLPr(); 9969 } 9970 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9971 } 9972 } 9973 } 9974 9975 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9976 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9977 int[] allUsers, boolean[] perUserInstalled, 9978 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9979 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9980 + ", old=" + deletedPackage); 9981 PackageParser.Package newPackage = null; 9982 boolean updatedSettings = false; 9983 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9984 PackageParser.PARSE_IS_SYSTEM; 9985 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9986 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9987 } 9988 String packageName = deletedPackage.packageName; 9989 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9990 if (packageName == null) { 9991 Slog.w(TAG, "Attempt to delete null packageName."); 9992 return; 9993 } 9994 PackageParser.Package oldPkg; 9995 PackageSetting oldPkgSetting; 9996 // reader 9997 synchronized (mPackages) { 9998 oldPkg = mPackages.get(packageName); 9999 oldPkgSetting = mSettings.mPackages.get(packageName); 10000 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10001 (oldPkgSetting == null)) { 10002 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10003 return; 10004 } 10005 } 10006 10007 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10008 10009 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10010 res.removedInfo.removedPackage = packageName; 10011 // Remove existing system package 10012 removePackageLI(oldPkgSetting, true); 10013 // writer 10014 synchronized (mPackages) { 10015 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10016 // We didn't need to disable the .apk as a current system package, 10017 // which means we are replacing another update that is already 10018 // installed. We need to make sure to delete the older one's .apk. 10019 res.removedInfo.args = createInstallArgs(0, 10020 deletedPackage.applicationInfo.sourceDir, 10021 deletedPackage.applicationInfo.publicSourceDir, 10022 deletedPackage.applicationInfo.nativeLibraryDir, 10023 getAppInstructionSet(deletedPackage.applicationInfo)); 10024 } else { 10025 res.removedInfo.args = null; 10026 } 10027 } 10028 10029 // Successfully disabled the old package. Now proceed with re-installation 10030 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10031 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10032 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10033 if (newPackage == null) { 10034 Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath); 10035 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10036 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10037 } 10038 } else { 10039 if (newPackage.mExtras != null) { 10040 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10041 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10042 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10043 10044 // is the update attempting to change shared user? that isn't going to work... 10045 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10046 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10047 + " to " + newPkgSetting.sharedUser); 10048 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10049 updatedSettings = true; 10050 } 10051 } 10052 10053 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10054 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10055 updatedSettings = true; 10056 } 10057 } 10058 10059 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10060 // Re installation failed. Restore old information 10061 // Remove new pkg information 10062 if (newPackage != null) { 10063 removeInstalledPackageLI(newPackage, true); 10064 } 10065 // Add back the old system package 10066 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10067 // Restore the old system information in Settings 10068 synchronized(mPackages) { 10069 if (updatedSettings) { 10070 mSettings.enableSystemPackageLPw(packageName); 10071 mSettings.setInstallerPackageName(packageName, 10072 oldPkgSetting.installerPackageName); 10073 } 10074 mSettings.writeLPr(); 10075 } 10076 } 10077 } 10078 10079 // Utility method used to move dex files during install. 10080 private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) { 10081 // TODO: extend to move split APK dex files 10082 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10083 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10084 int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath, 10085 instructionSet); 10086 if (retCode != 0) { 10087 /* 10088 * Programs may be lazily run through dexopt, so the 10089 * source may not exist. However, something seems to 10090 * have gone wrong, so note that dexopt needs to be 10091 * run again and remove the source file. In addition, 10092 * remove the target to make sure there isn't a stale 10093 * file from a previous version of the package. 10094 */ 10095 newPackage.mDexOptNeeded = true; 10096 mInstaller.rmdex(oldCodePath, instructionSet); 10097 mInstaller.rmdex(newPackage.codePath, instructionSet); 10098 } 10099 } 10100 return PackageManager.INSTALL_SUCCEEDED; 10101 } 10102 10103 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10104 int[] allUsers, boolean[] perUserInstalled, 10105 PackageInstalledInfo res) { 10106 String pkgName = newPackage.packageName; 10107 synchronized (mPackages) { 10108 //write settings. the installStatus will be incomplete at this stage. 10109 //note that the new package setting would have already been 10110 //added to mPackages. It hasn't been persisted yet. 10111 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10112 mSettings.writeLPr(); 10113 } 10114 10115 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10116 10117 synchronized (mPackages) { 10118 updatePermissionsLPw(newPackage.packageName, newPackage, 10119 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10120 ? UPDATE_PERMISSIONS_ALL : 0)); 10121 // For system-bundled packages, we assume that installing an upgraded version 10122 // of the package implies that the user actually wants to run that new code, 10123 // so we enable the package. 10124 if (isSystemApp(newPackage)) { 10125 // NB: implicit assumption that system package upgrades apply to all users 10126 if (DEBUG_INSTALL) { 10127 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10128 } 10129 PackageSetting ps = mSettings.mPackages.get(pkgName); 10130 if (ps != null) { 10131 if (res.origUsers != null) { 10132 for (int userHandle : res.origUsers) { 10133 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10134 userHandle, installerPackageName); 10135 } 10136 } 10137 // Also convey the prior install/uninstall state 10138 if (allUsers != null && perUserInstalled != null) { 10139 for (int i = 0; i < allUsers.length; i++) { 10140 if (DEBUG_INSTALL) { 10141 Slog.d(TAG, " user " + allUsers[i] 10142 + " => " + perUserInstalled[i]); 10143 } 10144 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10145 } 10146 // these install state changes will be persisted in the 10147 // upcoming call to mSettings.writeLPr(). 10148 } 10149 } 10150 } 10151 res.name = pkgName; 10152 res.uid = newPackage.applicationInfo.uid; 10153 res.pkg = newPackage; 10154 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10155 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10156 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10157 //to update install status 10158 mSettings.writeLPr(); 10159 } 10160 } 10161 10162 private void installPackageLI(InstallArgs args, 10163 boolean newInstall, PackageInstalledInfo res) { 10164 int pFlags = args.flags; 10165 String installerPackageName = args.installerPackageName; 10166 File tmpPackageFile = new File(args.getCodePath()); 10167 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10168 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10169 boolean replace = false; 10170 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10171 | (newInstall ? SCAN_NEW_INSTALL : 0); 10172 // Result object to be returned 10173 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10174 10175 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10176 // Retrieve PackageSettings and parse package 10177 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10178 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10179 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10180 PackageParser pp = new PackageParser(); 10181 pp.setSeparateProcesses(mSeparateProcesses); 10182 pp.setDisplayMetrics(mMetrics); 10183 10184 final PackageParser.Package pkg; 10185 try { 10186 pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags); 10187 } catch (PackageParserException e) { 10188 res.returnCode = e.error; 10189 return; 10190 } 10191 10192 String pkgName = res.name = pkg.packageName; 10193 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10194 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10195 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10196 return; 10197 } 10198 } 10199 10200 try { 10201 pp.collectCertificates(pkg, parseFlags); 10202 pp.collectManifestDigest(pkg); 10203 } catch (PackageParserException e) { 10204 res.returnCode = e.error; 10205 return; 10206 } 10207 10208 /* If the installer passed in a manifest digest, compare it now. */ 10209 if (args.manifestDigest != null) { 10210 if (DEBUG_INSTALL) { 10211 final String parsedManifest = pkg.manifestDigest == null ? "null" 10212 : pkg.manifestDigest.toString(); 10213 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10214 + parsedManifest); 10215 } 10216 10217 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10218 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10219 return; 10220 } 10221 } else if (DEBUG_INSTALL) { 10222 final String parsedManifest = pkg.manifestDigest == null 10223 ? "null" : pkg.manifestDigest.toString(); 10224 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10225 } 10226 10227 // Get rid of all references to package scan path via parser. 10228 pp = null; 10229 String oldCodePath = null; 10230 boolean systemApp = false; 10231 synchronized (mPackages) { 10232 // Check whether the newly-scanned package wants to define an already-defined perm 10233 int N = pkg.permissions.size(); 10234 for (int i = N-1; i >= 0; i--) { 10235 PackageParser.Permission perm = pkg.permissions.get(i); 10236 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10237 if (bp != null) { 10238 // If the defining package is signed with our cert, it's okay. This 10239 // also includes the "updating the same package" case, of course. 10240 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10241 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10242 // If the owning package is the system itself, we log but allow 10243 // install to proceed; we fail the install on all other permission 10244 // redefinitions. 10245 if (!bp.sourcePackage.equals("android")) { 10246 Slog.w(TAG, "Package " + pkg.packageName 10247 + " attempting to redeclare permission " + perm.info.name 10248 + " already owned by " + bp.sourcePackage); 10249 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10250 res.origPermission = perm.info.name; 10251 res.origPackage = bp.sourcePackage; 10252 return; 10253 } else { 10254 Slog.w(TAG, "Package " + pkg.packageName 10255 + " attempting to redeclare system permission " 10256 + perm.info.name + "; ignoring new declaration"); 10257 pkg.permissions.remove(i); 10258 } 10259 } 10260 } 10261 } 10262 10263 // Check if installing already existing package 10264 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10265 String oldName = mSettings.mRenamedPackages.get(pkgName); 10266 if (pkg.mOriginalPackages != null 10267 && pkg.mOriginalPackages.contains(oldName) 10268 && mPackages.containsKey(oldName)) { 10269 // This package is derived from an original package, 10270 // and this device has been updating from that original 10271 // name. We must continue using the original name, so 10272 // rename the new package here. 10273 pkg.setPackageName(oldName); 10274 pkgName = pkg.packageName; 10275 replace = true; 10276 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10277 + oldName + " pkgName=" + pkgName); 10278 } else if (mPackages.containsKey(pkgName)) { 10279 // This package, under its official name, already exists 10280 // on the device; we should replace it. 10281 replace = true; 10282 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10283 } 10284 } 10285 PackageSetting ps = mSettings.mPackages.get(pkgName); 10286 if (ps != null) { 10287 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10288 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10289 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10290 systemApp = (ps.pkg.applicationInfo.flags & 10291 ApplicationInfo.FLAG_SYSTEM) != 0; 10292 } 10293 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10294 } 10295 } 10296 10297 if (systemApp && onSd) { 10298 // Disable updates to system apps on sdcard 10299 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10300 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10301 return; 10302 } 10303 10304 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10305 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10306 return; 10307 } 10308 // Set application objects path explicitly after the rename 10309 pkg.codePath = args.getCodePath(); 10310 pkg.applicationInfo.sourceDir = args.getCodePath(); 10311 pkg.applicationInfo.publicSourceDir = args.getResourcePath(); 10312 pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths(); 10313 pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths( 10314 pkg.applicationInfo.splitSourceDirs); 10315 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10316 if (replace) { 10317 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10318 installerPackageName, res, args.abiOverride); 10319 } else { 10320 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10321 installerPackageName, res, args.abiOverride); 10322 } 10323 synchronized (mPackages) { 10324 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10325 if (ps != null) { 10326 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10327 } 10328 } 10329 } 10330 10331 private static boolean isForwardLocked(PackageParser.Package pkg) { 10332 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10333 } 10334 10335 10336 private boolean isForwardLocked(PackageSetting ps) { 10337 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10338 } 10339 10340 private static boolean isExternal(PackageParser.Package pkg) { 10341 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10342 } 10343 10344 private static boolean isExternal(PackageSetting ps) { 10345 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10346 } 10347 10348 private static boolean isSystemApp(PackageParser.Package pkg) { 10349 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10350 } 10351 10352 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10353 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10354 } 10355 10356 private static boolean isSystemApp(ApplicationInfo info) { 10357 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10358 } 10359 10360 private static boolean isSystemApp(PackageSetting ps) { 10361 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10362 } 10363 10364 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10365 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10366 } 10367 10368 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10369 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10370 } 10371 10372 private int packageFlagsToInstallFlags(PackageSetting ps) { 10373 int installFlags = 0; 10374 if (isExternal(ps)) { 10375 installFlags |= PackageManager.INSTALL_EXTERNAL; 10376 } 10377 if (isForwardLocked(ps)) { 10378 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10379 } 10380 return installFlags; 10381 } 10382 10383 private void deleteTempPackageFiles() { 10384 final FilenameFilter filter = new FilenameFilter() { 10385 public boolean accept(File dir, String name) { 10386 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10387 } 10388 }; 10389 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10390 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10391 } 10392 10393 private static final void deleteTempPackageFilesInDirectory(File directory, 10394 FilenameFilter filter) { 10395 final String[] tmpFilesList = directory.list(filter); 10396 if (tmpFilesList == null) { 10397 return; 10398 } 10399 for (int i = 0; i < tmpFilesList.length; i++) { 10400 final File tmpFile = new File(directory, tmpFilesList[i]); 10401 tmpFile.delete(); 10402 } 10403 } 10404 10405 private File createTempPackageFile(File installDir) { 10406 File tmpPackageFile; 10407 try { 10408 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10409 } catch (IOException e) { 10410 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10411 return null; 10412 } 10413 try { 10414 FileUtils.setPermissions( 10415 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10416 -1, -1); 10417 if (!SELinux.restorecon(tmpPackageFile)) { 10418 return null; 10419 } 10420 } catch (IOException e) { 10421 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10422 return null; 10423 } 10424 return tmpPackageFile; 10425 } 10426 10427 @Override 10428 public void deletePackageAsUser(final String packageName, 10429 final IPackageDeleteObserver observer, 10430 final int userId, final int flags) { 10431 mContext.enforceCallingOrSelfPermission( 10432 android.Manifest.permission.DELETE_PACKAGES, null); 10433 final int uid = Binder.getCallingUid(); 10434 if (UserHandle.getUserId(uid) != userId) { 10435 mContext.enforceCallingPermission( 10436 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10437 "deletePackage for user " + userId); 10438 } 10439 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10440 try { 10441 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10442 } catch (RemoteException re) { 10443 } 10444 return; 10445 } 10446 10447 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10448 // Queue up an async operation since the package deletion may take a little while. 10449 mHandler.post(new Runnable() { 10450 public void run() { 10451 mHandler.removeCallbacks(this); 10452 final int returnCode = deletePackageX(packageName, userId, flags); 10453 if (observer != null) { 10454 try { 10455 observer.packageDeleted(packageName, returnCode); 10456 } catch (RemoteException e) { 10457 Log.i(TAG, "Observer no longer exists."); 10458 } //end catch 10459 } //end if 10460 } //end run 10461 }); 10462 } 10463 10464 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10465 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10466 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10467 try { 10468 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10469 || dpm.isDeviceOwner(packageName))) { 10470 return true; 10471 } 10472 } catch (RemoteException e) { 10473 } 10474 return false; 10475 } 10476 10477 /** 10478 * This method is an internal method that could be get invoked either 10479 * to delete an installed package or to clean up a failed installation. 10480 * After deleting an installed package, a broadcast is sent to notify any 10481 * listeners that the package has been installed. For cleaning up a failed 10482 * installation, the broadcast is not necessary since the package's 10483 * installation wouldn't have sent the initial broadcast either 10484 * The key steps in deleting a package are 10485 * deleting the package information in internal structures like mPackages, 10486 * deleting the packages base directories through installd 10487 * updating mSettings to reflect current status 10488 * persisting settings for later use 10489 * sending a broadcast if necessary 10490 */ 10491 private int deletePackageX(String packageName, int userId, int flags) { 10492 final PackageRemovedInfo info = new PackageRemovedInfo(); 10493 final boolean res; 10494 10495 if (isPackageDeviceAdmin(packageName, userId)) { 10496 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10497 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10498 } 10499 10500 boolean removedForAllUsers = false; 10501 boolean systemUpdate = false; 10502 10503 // for the uninstall-updates case and restricted profiles, remember the per- 10504 // userhandle installed state 10505 int[] allUsers; 10506 boolean[] perUserInstalled; 10507 synchronized (mPackages) { 10508 PackageSetting ps = mSettings.mPackages.get(packageName); 10509 allUsers = sUserManager.getUserIds(); 10510 perUserInstalled = new boolean[allUsers.length]; 10511 for (int i = 0; i < allUsers.length; i++) { 10512 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10513 } 10514 } 10515 10516 synchronized (mInstallLock) { 10517 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10518 res = deletePackageLI(packageName, 10519 (flags & PackageManager.DELETE_ALL_USERS) != 0 10520 ? UserHandle.ALL : new UserHandle(userId), 10521 true, allUsers, perUserInstalled, 10522 flags | REMOVE_CHATTY, info, true); 10523 systemUpdate = info.isRemovedPackageSystemUpdate; 10524 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10525 removedForAllUsers = true; 10526 } 10527 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10528 + " removedForAllUsers=" + removedForAllUsers); 10529 } 10530 10531 if (res) { 10532 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10533 10534 // If the removed package was a system update, the old system package 10535 // was re-enabled; we need to broadcast this information 10536 if (systemUpdate) { 10537 Bundle extras = new Bundle(1); 10538 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10539 ? info.removedAppId : info.uid); 10540 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10541 10542 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10543 extras, null, null, null); 10544 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10545 extras, null, null, null); 10546 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10547 null, packageName, null, null); 10548 } 10549 } 10550 // Force a gc here. 10551 Runtime.getRuntime().gc(); 10552 // Delete the resources here after sending the broadcast to let 10553 // other processes clean up before deleting resources. 10554 if (info.args != null) { 10555 synchronized (mInstallLock) { 10556 info.args.doPostDeleteLI(true); 10557 } 10558 } 10559 10560 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10561 } 10562 10563 static class PackageRemovedInfo { 10564 String removedPackage; 10565 int uid = -1; 10566 int removedAppId = -1; 10567 int[] removedUsers = null; 10568 boolean isRemovedPackageSystemUpdate = false; 10569 // Clean up resources deleted packages. 10570 InstallArgs args = null; 10571 10572 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10573 Bundle extras = new Bundle(1); 10574 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10575 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10576 if (replacing) { 10577 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10578 } 10579 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10580 if (removedPackage != null) { 10581 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10582 extras, null, null, removedUsers); 10583 if (fullRemove && !replacing) { 10584 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10585 extras, null, null, removedUsers); 10586 } 10587 } 10588 if (removedAppId >= 0) { 10589 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10590 removedUsers); 10591 } 10592 } 10593 } 10594 10595 /* 10596 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10597 * flag is not set, the data directory is removed as well. 10598 * make sure this flag is set for partially installed apps. If not its meaningless to 10599 * delete a partially installed application. 10600 */ 10601 private void removePackageDataLI(PackageSetting ps, 10602 int[] allUserHandles, boolean[] perUserInstalled, 10603 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10604 String packageName = ps.name; 10605 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10606 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10607 // Retrieve object to delete permissions for shared user later on 10608 final PackageSetting deletedPs; 10609 // reader 10610 synchronized (mPackages) { 10611 deletedPs = mSettings.mPackages.get(packageName); 10612 if (outInfo != null) { 10613 outInfo.removedPackage = packageName; 10614 outInfo.removedUsers = deletedPs != null 10615 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10616 : null; 10617 } 10618 } 10619 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10620 removeDataDirsLI(packageName); 10621 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10622 } 10623 // writer 10624 synchronized (mPackages) { 10625 if (deletedPs != null) { 10626 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10627 if (outInfo != null) { 10628 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10629 } 10630 if (deletedPs != null) { 10631 updatePermissionsLPw(deletedPs.name, null, 0); 10632 if (deletedPs.sharedUser != null) { 10633 // remove permissions associated with package 10634 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10635 } 10636 } 10637 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10638 } 10639 // make sure to preserve per-user disabled state if this removal was just 10640 // a downgrade of a system app to the factory package 10641 if (allUserHandles != null && perUserInstalled != null) { 10642 if (DEBUG_REMOVE) { 10643 Slog.d(TAG, "Propagating install state across downgrade"); 10644 } 10645 for (int i = 0; i < allUserHandles.length; i++) { 10646 if (DEBUG_REMOVE) { 10647 Slog.d(TAG, " user " + allUserHandles[i] 10648 + " => " + perUserInstalled[i]); 10649 } 10650 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10651 } 10652 } 10653 } 10654 // can downgrade to reader 10655 if (writeSettings) { 10656 // Save settings now 10657 mSettings.writeLPr(); 10658 } 10659 } 10660 if (outInfo != null) { 10661 // A user ID was deleted here. Go through all users and remove it 10662 // from KeyStore. 10663 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10664 } 10665 } 10666 10667 static boolean locationIsPrivileged(File path) { 10668 try { 10669 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10670 .getCanonicalPath(); 10671 return path.getCanonicalPath().startsWith(privilegedAppDir); 10672 } catch (IOException e) { 10673 Slog.e(TAG, "Unable to access code path " + path); 10674 } 10675 return false; 10676 } 10677 10678 /* 10679 * Tries to delete system package. 10680 */ 10681 private boolean deleteSystemPackageLI(PackageSetting newPs, 10682 int[] allUserHandles, boolean[] perUserInstalled, 10683 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10684 final boolean applyUserRestrictions 10685 = (allUserHandles != null) && (perUserInstalled != null); 10686 PackageSetting disabledPs = null; 10687 // Confirm if the system package has been updated 10688 // An updated system app can be deleted. This will also have to restore 10689 // the system pkg from system partition 10690 // reader 10691 synchronized (mPackages) { 10692 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10693 } 10694 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10695 + " disabledPs=" + disabledPs); 10696 if (disabledPs == null) { 10697 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10698 return false; 10699 } else if (DEBUG_REMOVE) { 10700 Slog.d(TAG, "Deleting system pkg from data partition"); 10701 } 10702 if (DEBUG_REMOVE) { 10703 if (applyUserRestrictions) { 10704 Slog.d(TAG, "Remembering install states:"); 10705 for (int i = 0; i < allUserHandles.length; i++) { 10706 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10707 } 10708 } 10709 } 10710 // Delete the updated package 10711 outInfo.isRemovedPackageSystemUpdate = true; 10712 if (disabledPs.versionCode < newPs.versionCode) { 10713 // Delete data for downgrades 10714 flags &= ~PackageManager.DELETE_KEEP_DATA; 10715 } else { 10716 // Preserve data by setting flag 10717 flags |= PackageManager.DELETE_KEEP_DATA; 10718 } 10719 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10720 allUserHandles, perUserInstalled, outInfo, writeSettings); 10721 if (!ret) { 10722 return false; 10723 } 10724 // writer 10725 synchronized (mPackages) { 10726 // Reinstate the old system package 10727 mSettings.enableSystemPackageLPw(newPs.name); 10728 // Remove any native libraries from the upgraded package. 10729 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10730 } 10731 // Install the system package 10732 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10733 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10734 if (locationIsPrivileged(disabledPs.codePath)) { 10735 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10736 } 10737 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10738 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10739 10740 if (newPkg == null) { 10741 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10742 + " with error:" + mLastScanError); 10743 return false; 10744 } 10745 // writer 10746 synchronized (mPackages) { 10747 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10748 setInternalAppNativeLibraryPath(newPkg, ps); 10749 updatePermissionsLPw(newPkg.packageName, newPkg, 10750 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10751 if (applyUserRestrictions) { 10752 if (DEBUG_REMOVE) { 10753 Slog.d(TAG, "Propagating install state across reinstall"); 10754 } 10755 for (int i = 0; i < allUserHandles.length; i++) { 10756 if (DEBUG_REMOVE) { 10757 Slog.d(TAG, " user " + allUserHandles[i] 10758 + " => " + perUserInstalled[i]); 10759 } 10760 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10761 } 10762 // Regardless of writeSettings we need to ensure that this restriction 10763 // state propagation is persisted 10764 mSettings.writeAllUsersPackageRestrictionsLPr(); 10765 } 10766 // can downgrade to reader here 10767 if (writeSettings) { 10768 mSettings.writeLPr(); 10769 } 10770 } 10771 return true; 10772 } 10773 10774 private boolean deleteInstalledPackageLI(PackageSetting ps, 10775 boolean deleteCodeAndResources, int flags, 10776 int[] allUserHandles, boolean[] perUserInstalled, 10777 PackageRemovedInfo outInfo, boolean writeSettings) { 10778 if (outInfo != null) { 10779 outInfo.uid = ps.appId; 10780 } 10781 10782 // Delete package data from internal structures and also remove data if flag is set 10783 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10784 10785 // Delete application code and resources 10786 if (deleteCodeAndResources && (outInfo != null)) { 10787 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10788 ps.resourcePathString, ps.nativeLibraryPathString, 10789 getAppInstructionSetFromSettings(ps)); 10790 } 10791 return true; 10792 } 10793 10794 /* 10795 * This method handles package deletion in general 10796 */ 10797 private boolean deletePackageLI(String packageName, UserHandle user, 10798 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10799 int flags, PackageRemovedInfo outInfo, 10800 boolean writeSettings) { 10801 if (packageName == null) { 10802 Slog.w(TAG, "Attempt to delete null packageName."); 10803 return false; 10804 } 10805 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10806 PackageSetting ps; 10807 boolean dataOnly = false; 10808 int removeUser = -1; 10809 int appId = -1; 10810 synchronized (mPackages) { 10811 ps = mSettings.mPackages.get(packageName); 10812 if (ps == null) { 10813 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10814 return false; 10815 } 10816 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10817 && user.getIdentifier() != UserHandle.USER_ALL) { 10818 // The caller is asking that the package only be deleted for a single 10819 // user. To do this, we just mark its uninstalled state and delete 10820 // its data. If this is a system app, we only allow this to happen if 10821 // they have set the special DELETE_SYSTEM_APP which requests different 10822 // semantics than normal for uninstalling system apps. 10823 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10824 ps.setUserState(user.getIdentifier(), 10825 COMPONENT_ENABLED_STATE_DEFAULT, 10826 false, //installed 10827 true, //stopped 10828 true, //notLaunched 10829 false, //blocked 10830 null, null, null); 10831 if (!isSystemApp(ps)) { 10832 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10833 // Other user still have this package installed, so all 10834 // we need to do is clear this user's data and save that 10835 // it is uninstalled. 10836 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10837 removeUser = user.getIdentifier(); 10838 appId = ps.appId; 10839 mSettings.writePackageRestrictionsLPr(removeUser); 10840 } else { 10841 // We need to set it back to 'installed' so the uninstall 10842 // broadcasts will be sent correctly. 10843 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10844 ps.setInstalled(true, user.getIdentifier()); 10845 } 10846 } else { 10847 // This is a system app, so we assume that the 10848 // other users still have this package installed, so all 10849 // we need to do is clear this user's data and save that 10850 // it is uninstalled. 10851 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10852 removeUser = user.getIdentifier(); 10853 appId = ps.appId; 10854 mSettings.writePackageRestrictionsLPr(removeUser); 10855 } 10856 } 10857 } 10858 10859 if (removeUser >= 0) { 10860 // From above, we determined that we are deleting this only 10861 // for a single user. Continue the work here. 10862 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10863 if (outInfo != null) { 10864 outInfo.removedPackage = packageName; 10865 outInfo.removedAppId = appId; 10866 outInfo.removedUsers = new int[] {removeUser}; 10867 } 10868 mInstaller.clearUserData(packageName, removeUser); 10869 removeKeystoreDataIfNeeded(removeUser, appId); 10870 schedulePackageCleaning(packageName, removeUser, false); 10871 return true; 10872 } 10873 10874 if (dataOnly) { 10875 // Delete application data first 10876 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10877 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10878 return true; 10879 } 10880 10881 boolean ret = false; 10882 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10883 if (isSystemApp(ps)) { 10884 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10885 // When an updated system application is deleted we delete the existing resources as well and 10886 // fall back to existing code in system partition 10887 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10888 flags, outInfo, writeSettings); 10889 } else { 10890 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10891 // Kill application pre-emptively especially for apps on sd. 10892 killApplication(packageName, ps.appId, "uninstall pkg"); 10893 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10894 allUserHandles, perUserInstalled, 10895 outInfo, writeSettings); 10896 } 10897 10898 return ret; 10899 } 10900 10901 private final class ClearStorageConnection implements ServiceConnection { 10902 IMediaContainerService mContainerService; 10903 10904 @Override 10905 public void onServiceConnected(ComponentName name, IBinder service) { 10906 synchronized (this) { 10907 mContainerService = IMediaContainerService.Stub.asInterface(service); 10908 notifyAll(); 10909 } 10910 } 10911 10912 @Override 10913 public void onServiceDisconnected(ComponentName name) { 10914 } 10915 } 10916 10917 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10918 final boolean mounted; 10919 if (Environment.isExternalStorageEmulated()) { 10920 mounted = true; 10921 } else { 10922 final String status = Environment.getExternalStorageState(); 10923 10924 mounted = status.equals(Environment.MEDIA_MOUNTED) 10925 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10926 } 10927 10928 if (!mounted) { 10929 return; 10930 } 10931 10932 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10933 int[] users; 10934 if (userId == UserHandle.USER_ALL) { 10935 users = sUserManager.getUserIds(); 10936 } else { 10937 users = new int[] { userId }; 10938 } 10939 final ClearStorageConnection conn = new ClearStorageConnection(); 10940 if (mContext.bindServiceAsUser( 10941 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10942 try { 10943 for (int curUser : users) { 10944 long timeout = SystemClock.uptimeMillis() + 5000; 10945 synchronized (conn) { 10946 long now = SystemClock.uptimeMillis(); 10947 while (conn.mContainerService == null && now < timeout) { 10948 try { 10949 conn.wait(timeout - now); 10950 } catch (InterruptedException e) { 10951 } 10952 } 10953 } 10954 if (conn.mContainerService == null) { 10955 return; 10956 } 10957 10958 final UserEnvironment userEnv = new UserEnvironment(curUser); 10959 clearDirectory(conn.mContainerService, 10960 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10961 if (allData) { 10962 clearDirectory(conn.mContainerService, 10963 userEnv.buildExternalStorageAppDataDirs(packageName)); 10964 clearDirectory(conn.mContainerService, 10965 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10966 } 10967 } 10968 } finally { 10969 mContext.unbindService(conn); 10970 } 10971 } 10972 } 10973 10974 @Override 10975 public void clearApplicationUserData(final String packageName, 10976 final IPackageDataObserver observer, final int userId) { 10977 mContext.enforceCallingOrSelfPermission( 10978 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10979 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10980 // Queue up an async operation since the package deletion may take a little while. 10981 mHandler.post(new Runnable() { 10982 public void run() { 10983 mHandler.removeCallbacks(this); 10984 final boolean succeeded; 10985 synchronized (mInstallLock) { 10986 succeeded = clearApplicationUserDataLI(packageName, userId); 10987 } 10988 clearExternalStorageDataSync(packageName, userId, true); 10989 if (succeeded) { 10990 // invoke DeviceStorageMonitor's update method to clear any notifications 10991 DeviceStorageMonitorInternal 10992 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10993 if (dsm != null) { 10994 dsm.checkMemory(); 10995 } 10996 } 10997 if(observer != null) { 10998 try { 10999 observer.onRemoveCompleted(packageName, succeeded); 11000 } catch (RemoteException e) { 11001 Log.i(TAG, "Observer no longer exists."); 11002 } 11003 } //end if observer 11004 } //end run 11005 }); 11006 } 11007 11008 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11009 if (packageName == null) { 11010 Slog.w(TAG, "Attempt to delete null packageName."); 11011 return false; 11012 } 11013 PackageParser.Package p; 11014 boolean dataOnly = false; 11015 final int appId; 11016 synchronized (mPackages) { 11017 p = mPackages.get(packageName); 11018 if (p == null) { 11019 dataOnly = true; 11020 PackageSetting ps = mSettings.mPackages.get(packageName); 11021 if ((ps == null) || (ps.pkg == null)) { 11022 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11023 return false; 11024 } 11025 p = ps.pkg; 11026 } 11027 if (!dataOnly) { 11028 // need to check this only for fully installed applications 11029 if (p == null) { 11030 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11031 return false; 11032 } 11033 final ApplicationInfo applicationInfo = p.applicationInfo; 11034 if (applicationInfo == null) { 11035 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11036 return false; 11037 } 11038 } 11039 if (p != null && p.applicationInfo != null) { 11040 appId = p.applicationInfo.uid; 11041 } else { 11042 appId = -1; 11043 } 11044 } 11045 int retCode = mInstaller.clearUserData(packageName, userId); 11046 if (retCode < 0) { 11047 Slog.w(TAG, "Couldn't remove cache files for package: " 11048 + packageName); 11049 return false; 11050 } 11051 removeKeystoreDataIfNeeded(userId, appId); 11052 return true; 11053 } 11054 11055 /** 11056 * Remove entries from the keystore daemon. Will only remove it if the 11057 * {@code appId} is valid. 11058 */ 11059 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11060 if (appId < 0) { 11061 return; 11062 } 11063 11064 final KeyStore keyStore = KeyStore.getInstance(); 11065 if (keyStore != null) { 11066 if (userId == UserHandle.USER_ALL) { 11067 for (final int individual : sUserManager.getUserIds()) { 11068 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11069 } 11070 } else { 11071 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11072 } 11073 } else { 11074 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11075 } 11076 } 11077 11078 @Override 11079 public void deleteApplicationCacheFiles(final String packageName, 11080 final IPackageDataObserver observer) { 11081 mContext.enforceCallingOrSelfPermission( 11082 android.Manifest.permission.DELETE_CACHE_FILES, null); 11083 // Queue up an async operation since the package deletion may take a little while. 11084 final int userId = UserHandle.getCallingUserId(); 11085 mHandler.post(new Runnable() { 11086 public void run() { 11087 mHandler.removeCallbacks(this); 11088 final boolean succeded; 11089 synchronized (mInstallLock) { 11090 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11091 } 11092 clearExternalStorageDataSync(packageName, userId, false); 11093 if(observer != null) { 11094 try { 11095 observer.onRemoveCompleted(packageName, succeded); 11096 } catch (RemoteException e) { 11097 Log.i(TAG, "Observer no longer exists."); 11098 } 11099 } //end if observer 11100 } //end run 11101 }); 11102 } 11103 11104 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11105 if (packageName == null) { 11106 Slog.w(TAG, "Attempt to delete null packageName."); 11107 return false; 11108 } 11109 PackageParser.Package p; 11110 synchronized (mPackages) { 11111 p = mPackages.get(packageName); 11112 } 11113 if (p == null) { 11114 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11115 return false; 11116 } 11117 final ApplicationInfo applicationInfo = p.applicationInfo; 11118 if (applicationInfo == null) { 11119 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11120 return false; 11121 } 11122 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11123 if (retCode < 0) { 11124 Slog.w(TAG, "Couldn't remove cache files for package: " 11125 + packageName + " u" + userId); 11126 return false; 11127 } 11128 return true; 11129 } 11130 11131 @Override 11132 public void getPackageSizeInfo(final String packageName, int userHandle, 11133 final IPackageStatsObserver observer) { 11134 mContext.enforceCallingOrSelfPermission( 11135 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11136 if (packageName == null) { 11137 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11138 } 11139 11140 PackageStats stats = new PackageStats(packageName, userHandle); 11141 11142 /* 11143 * Queue up an async operation since the package measurement may take a 11144 * little while. 11145 */ 11146 Message msg = mHandler.obtainMessage(INIT_COPY); 11147 msg.obj = new MeasureParams(stats, observer); 11148 mHandler.sendMessage(msg); 11149 } 11150 11151 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11152 PackageStats pStats) { 11153 if (packageName == null) { 11154 Slog.w(TAG, "Attempt to get size of null packageName."); 11155 return false; 11156 } 11157 PackageParser.Package p; 11158 boolean dataOnly = false; 11159 String libDirPath = null; 11160 String asecPath = null; 11161 PackageSetting ps = null; 11162 synchronized (mPackages) { 11163 p = mPackages.get(packageName); 11164 ps = mSettings.mPackages.get(packageName); 11165 if(p == null) { 11166 dataOnly = true; 11167 if((ps == null) || (ps.pkg == null)) { 11168 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11169 return false; 11170 } 11171 p = ps.pkg; 11172 } 11173 if (ps != null) { 11174 libDirPath = ps.nativeLibraryPathString; 11175 } 11176 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11177 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11178 if (secureContainerId != null) { 11179 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11180 } 11181 } 11182 } 11183 String publicSrcDir = null; 11184 if(!dataOnly) { 11185 final ApplicationInfo applicationInfo = p.applicationInfo; 11186 if (applicationInfo == null) { 11187 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11188 return false; 11189 } 11190 if (isForwardLocked(p)) { 11191 publicSrcDir = applicationInfo.publicSourceDir; 11192 } 11193 } 11194 int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath, 11195 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11196 pStats); 11197 if (res < 0) { 11198 return false; 11199 } 11200 11201 // Fix-up for forward-locked applications in ASEC containers. 11202 if (!isExternal(p)) { 11203 pStats.codeSize += pStats.externalCodeSize; 11204 pStats.externalCodeSize = 0L; 11205 } 11206 11207 return true; 11208 } 11209 11210 11211 @Override 11212 public void addPackageToPreferred(String packageName) { 11213 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11214 } 11215 11216 @Override 11217 public void removePackageFromPreferred(String packageName) { 11218 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11219 } 11220 11221 @Override 11222 public List<PackageInfo> getPreferredPackages(int flags) { 11223 return new ArrayList<PackageInfo>(); 11224 } 11225 11226 private int getUidTargetSdkVersionLockedLPr(int uid) { 11227 Object obj = mSettings.getUserIdLPr(uid); 11228 if (obj instanceof SharedUserSetting) { 11229 final SharedUserSetting sus = (SharedUserSetting) obj; 11230 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11231 final Iterator<PackageSetting> it = sus.packages.iterator(); 11232 while (it.hasNext()) { 11233 final PackageSetting ps = it.next(); 11234 if (ps.pkg != null) { 11235 int v = ps.pkg.applicationInfo.targetSdkVersion; 11236 if (v < vers) vers = v; 11237 } 11238 } 11239 return vers; 11240 } else if (obj instanceof PackageSetting) { 11241 final PackageSetting ps = (PackageSetting) obj; 11242 if (ps.pkg != null) { 11243 return ps.pkg.applicationInfo.targetSdkVersion; 11244 } 11245 } 11246 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11247 } 11248 11249 @Override 11250 public void addPreferredActivity(IntentFilter filter, int match, 11251 ComponentName[] set, ComponentName activity, int userId) { 11252 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11253 } 11254 11255 private void addPreferredActivityInternal(IntentFilter filter, int match, 11256 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11257 // writer 11258 int callingUid = Binder.getCallingUid(); 11259 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11260 if (filter.countActions() == 0) { 11261 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11262 return; 11263 } 11264 synchronized (mPackages) { 11265 if (mContext.checkCallingOrSelfPermission( 11266 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11267 != PackageManager.PERMISSION_GRANTED) { 11268 if (getUidTargetSdkVersionLockedLPr(callingUid) 11269 < Build.VERSION_CODES.FROYO) { 11270 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11271 + callingUid); 11272 return; 11273 } 11274 mContext.enforceCallingOrSelfPermission( 11275 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11276 } 11277 11278 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11279 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11280 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11281 new PreferredActivity(filter, match, set, activity, always)); 11282 mSettings.writePackageRestrictionsLPr(userId); 11283 } 11284 } 11285 11286 @Override 11287 public void replacePreferredActivity(IntentFilter filter, int match, 11288 ComponentName[] set, ComponentName activity) { 11289 if (filter.countActions() != 1) { 11290 throw new IllegalArgumentException( 11291 "replacePreferredActivity expects filter to have only 1 action."); 11292 } 11293 if (filter.countDataAuthorities() != 0 11294 || filter.countDataPaths() != 0 11295 || filter.countDataSchemes() > 1 11296 || filter.countDataTypes() != 0) { 11297 throw new IllegalArgumentException( 11298 "replacePreferredActivity expects filter to have no data authorities, " + 11299 "paths, or types; and at most one scheme."); 11300 } 11301 synchronized (mPackages) { 11302 if (mContext.checkCallingOrSelfPermission( 11303 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11304 != PackageManager.PERMISSION_GRANTED) { 11305 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11306 < Build.VERSION_CODES.FROYO) { 11307 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11308 + Binder.getCallingUid()); 11309 return; 11310 } 11311 mContext.enforceCallingOrSelfPermission( 11312 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11313 } 11314 11315 final int callingUserId = UserHandle.getCallingUserId(); 11316 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11317 if (pir != null) { 11318 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11319 if (filter.countDataSchemes() == 1) { 11320 Uri.Builder builder = new Uri.Builder(); 11321 builder.scheme(filter.getDataScheme(0)); 11322 intent.setData(builder.build()); 11323 } 11324 List<PreferredActivity> matches = pir.queryIntent( 11325 intent, null, true, callingUserId); 11326 if (DEBUG_PREFERRED) { 11327 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11328 } 11329 for (int i = 0; i < matches.size(); i++) { 11330 PreferredActivity pa = matches.get(i); 11331 if (DEBUG_PREFERRED) { 11332 Slog.i(TAG, "Removing preferred activity " 11333 + pa.mPref.mComponent + ":"); 11334 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11335 } 11336 pir.removeFilter(pa); 11337 } 11338 } 11339 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11340 } 11341 } 11342 11343 @Override 11344 public void clearPackagePreferredActivities(String packageName) { 11345 final int uid = Binder.getCallingUid(); 11346 // writer 11347 synchronized (mPackages) { 11348 PackageParser.Package pkg = mPackages.get(packageName); 11349 if (pkg == null || pkg.applicationInfo.uid != uid) { 11350 if (mContext.checkCallingOrSelfPermission( 11351 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11352 != PackageManager.PERMISSION_GRANTED) { 11353 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11354 < Build.VERSION_CODES.FROYO) { 11355 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11356 + Binder.getCallingUid()); 11357 return; 11358 } 11359 mContext.enforceCallingOrSelfPermission( 11360 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11361 } 11362 } 11363 11364 int user = UserHandle.getCallingUserId(); 11365 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11366 mSettings.writePackageRestrictionsLPr(user); 11367 scheduleWriteSettingsLocked(); 11368 } 11369 } 11370 } 11371 11372 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11373 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11374 ArrayList<PreferredActivity> removed = null; 11375 boolean changed = false; 11376 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11377 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11378 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11379 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11380 continue; 11381 } 11382 Iterator<PreferredActivity> it = pir.filterIterator(); 11383 while (it.hasNext()) { 11384 PreferredActivity pa = it.next(); 11385 // Mark entry for removal only if it matches the package name 11386 // and the entry is of type "always". 11387 if (packageName == null || 11388 (pa.mPref.mComponent.getPackageName().equals(packageName) 11389 && pa.mPref.mAlways)) { 11390 if (removed == null) { 11391 removed = new ArrayList<PreferredActivity>(); 11392 } 11393 removed.add(pa); 11394 } 11395 } 11396 if (removed != null) { 11397 for (int j=0; j<removed.size(); j++) { 11398 PreferredActivity pa = removed.get(j); 11399 pir.removeFilter(pa); 11400 } 11401 changed = true; 11402 } 11403 } 11404 return changed; 11405 } 11406 11407 @Override 11408 public void resetPreferredActivities(int userId) { 11409 mContext.enforceCallingOrSelfPermission( 11410 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11411 // writer 11412 synchronized (mPackages) { 11413 int user = UserHandle.getCallingUserId(); 11414 clearPackagePreferredActivitiesLPw(null, user); 11415 mSettings.readDefaultPreferredAppsLPw(this, user); 11416 mSettings.writePackageRestrictionsLPr(user); 11417 scheduleWriteSettingsLocked(); 11418 } 11419 } 11420 11421 @Override 11422 public int getPreferredActivities(List<IntentFilter> outFilters, 11423 List<ComponentName> outActivities, String packageName) { 11424 11425 int num = 0; 11426 final int userId = UserHandle.getCallingUserId(); 11427 // reader 11428 synchronized (mPackages) { 11429 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11430 if (pir != null) { 11431 final Iterator<PreferredActivity> it = pir.filterIterator(); 11432 while (it.hasNext()) { 11433 final PreferredActivity pa = it.next(); 11434 if (packageName == null 11435 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11436 && pa.mPref.mAlways)) { 11437 if (outFilters != null) { 11438 outFilters.add(new IntentFilter(pa)); 11439 } 11440 if (outActivities != null) { 11441 outActivities.add(pa.mPref.mComponent); 11442 } 11443 } 11444 } 11445 } 11446 } 11447 11448 return num; 11449 } 11450 11451 @Override 11452 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11453 int userId) { 11454 int callingUid = Binder.getCallingUid(); 11455 if (callingUid != Process.SYSTEM_UID) { 11456 throw new SecurityException( 11457 "addPersistentPreferredActivity can only be run by the system"); 11458 } 11459 if (filter.countActions() == 0) { 11460 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11461 return; 11462 } 11463 synchronized (mPackages) { 11464 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11465 " :"); 11466 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11467 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11468 new PersistentPreferredActivity(filter, activity)); 11469 mSettings.writePackageRestrictionsLPr(userId); 11470 } 11471 } 11472 11473 @Override 11474 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11475 int callingUid = Binder.getCallingUid(); 11476 if (callingUid != Process.SYSTEM_UID) { 11477 throw new SecurityException( 11478 "clearPackagePersistentPreferredActivities can only be run by the system"); 11479 } 11480 ArrayList<PersistentPreferredActivity> removed = null; 11481 boolean changed = false; 11482 synchronized (mPackages) { 11483 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11484 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11485 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11486 .valueAt(i); 11487 if (userId != thisUserId) { 11488 continue; 11489 } 11490 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11491 while (it.hasNext()) { 11492 PersistentPreferredActivity ppa = it.next(); 11493 // Mark entry for removal only if it matches the package name. 11494 if (ppa.mComponent.getPackageName().equals(packageName)) { 11495 if (removed == null) { 11496 removed = new ArrayList<PersistentPreferredActivity>(); 11497 } 11498 removed.add(ppa); 11499 } 11500 } 11501 if (removed != null) { 11502 for (int j=0; j<removed.size(); j++) { 11503 PersistentPreferredActivity ppa = removed.get(j); 11504 ppir.removeFilter(ppa); 11505 } 11506 changed = true; 11507 } 11508 } 11509 11510 if (changed) { 11511 mSettings.writePackageRestrictionsLPr(userId); 11512 } 11513 } 11514 } 11515 11516 @Override 11517 public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId, 11518 int targetUserId, int flags) { 11519 mContext.enforceCallingOrSelfPermission( 11520 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11521 if (intentFilter.countActions() == 0) { 11522 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11523 return; 11524 } 11525 synchronized (mPackages) { 11526 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11527 targetUserId, flags); 11528 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11529 mSettings.writePackageRestrictionsLPr(sourceUserId); 11530 } 11531 } 11532 11533 public void addCrossProfileIntentsForPackage(String packageName, 11534 int sourceUserId, int targetUserId) { 11535 mContext.enforceCallingOrSelfPermission( 11536 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11537 mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId); 11538 mSettings.writePackageRestrictionsLPr(sourceUserId); 11539 } 11540 11541 public void removeCrossProfileIntentsForPackage(String packageName, 11542 int sourceUserId, int targetUserId) { 11543 mContext.enforceCallingOrSelfPermission( 11544 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11545 mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId); 11546 mSettings.writePackageRestrictionsLPr(sourceUserId); 11547 } 11548 11549 @Override 11550 public void clearCrossProfileIntentFilters(int sourceUserId) { 11551 mContext.enforceCallingOrSelfPermission( 11552 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11553 synchronized (mPackages) { 11554 CrossProfileIntentResolver resolver = 11555 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11556 HashSet<CrossProfileIntentFilter> set = 11557 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11558 for (CrossProfileIntentFilter filter : set) { 11559 if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) { 11560 resolver.removeFilter(filter); 11561 } 11562 } 11563 mSettings.writePackageRestrictionsLPr(sourceUserId); 11564 } 11565 } 11566 11567 @Override 11568 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11569 Intent intent = new Intent(Intent.ACTION_MAIN); 11570 intent.addCategory(Intent.CATEGORY_HOME); 11571 11572 final int callingUserId = UserHandle.getCallingUserId(); 11573 List<ResolveInfo> list = queryIntentActivities(intent, null, 11574 PackageManager.GET_META_DATA, callingUserId); 11575 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11576 true, false, false, callingUserId); 11577 11578 allHomeCandidates.clear(); 11579 if (list != null) { 11580 for (ResolveInfo ri : list) { 11581 allHomeCandidates.add(ri); 11582 } 11583 } 11584 return (preferred == null || preferred.activityInfo == null) 11585 ? null 11586 : new ComponentName(preferred.activityInfo.packageName, 11587 preferred.activityInfo.name); 11588 } 11589 11590 @Override 11591 public void setApplicationEnabledSetting(String appPackageName, 11592 int newState, int flags, int userId, String callingPackage) { 11593 if (!sUserManager.exists(userId)) return; 11594 if (callingPackage == null) { 11595 callingPackage = Integer.toString(Binder.getCallingUid()); 11596 } 11597 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11598 } 11599 11600 @Override 11601 public void setComponentEnabledSetting(ComponentName componentName, 11602 int newState, int flags, int userId) { 11603 if (!sUserManager.exists(userId)) return; 11604 setEnabledSetting(componentName.getPackageName(), 11605 componentName.getClassName(), newState, flags, userId, null); 11606 } 11607 11608 private void setEnabledSetting(final String packageName, String className, int newState, 11609 final int flags, int userId, String callingPackage) { 11610 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11611 || newState == COMPONENT_ENABLED_STATE_ENABLED 11612 || newState == COMPONENT_ENABLED_STATE_DISABLED 11613 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11614 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11615 throw new IllegalArgumentException("Invalid new component state: " 11616 + newState); 11617 } 11618 PackageSetting pkgSetting; 11619 final int uid = Binder.getCallingUid(); 11620 final int permission = mContext.checkCallingOrSelfPermission( 11621 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11622 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11623 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11624 boolean sendNow = false; 11625 boolean isApp = (className == null); 11626 String componentName = isApp ? packageName : className; 11627 int packageUid = -1; 11628 ArrayList<String> components; 11629 11630 // writer 11631 synchronized (mPackages) { 11632 pkgSetting = mSettings.mPackages.get(packageName); 11633 if (pkgSetting == null) { 11634 if (className == null) { 11635 throw new IllegalArgumentException( 11636 "Unknown package: " + packageName); 11637 } 11638 throw new IllegalArgumentException( 11639 "Unknown component: " + packageName 11640 + "/" + className); 11641 } 11642 // Allow root and verify that userId is not being specified by a different user 11643 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11644 throw new SecurityException( 11645 "Permission Denial: attempt to change component state from pid=" 11646 + Binder.getCallingPid() 11647 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11648 } 11649 if (className == null) { 11650 // We're dealing with an application/package level state change 11651 if (pkgSetting.getEnabled(userId) == newState) { 11652 // Nothing to do 11653 return; 11654 } 11655 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11656 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11657 // Don't care about who enables an app. 11658 callingPackage = null; 11659 } 11660 pkgSetting.setEnabled(newState, userId, callingPackage); 11661 // pkgSetting.pkg.mSetEnabled = newState; 11662 } else { 11663 // We're dealing with a component level state change 11664 // First, verify that this is a valid class name. 11665 PackageParser.Package pkg = pkgSetting.pkg; 11666 if (pkg == null || !pkg.hasComponentClassName(className)) { 11667 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11668 throw new IllegalArgumentException("Component class " + className 11669 + " does not exist in " + packageName); 11670 } else { 11671 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11672 + className + " does not exist in " + packageName); 11673 } 11674 } 11675 switch (newState) { 11676 case COMPONENT_ENABLED_STATE_ENABLED: 11677 if (!pkgSetting.enableComponentLPw(className, userId)) { 11678 return; 11679 } 11680 break; 11681 case COMPONENT_ENABLED_STATE_DISABLED: 11682 if (!pkgSetting.disableComponentLPw(className, userId)) { 11683 return; 11684 } 11685 break; 11686 case COMPONENT_ENABLED_STATE_DEFAULT: 11687 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11688 return; 11689 } 11690 break; 11691 default: 11692 Slog.e(TAG, "Invalid new component state: " + newState); 11693 return; 11694 } 11695 } 11696 mSettings.writePackageRestrictionsLPr(userId); 11697 components = mPendingBroadcasts.get(userId, packageName); 11698 final boolean newPackage = components == null; 11699 if (newPackage) { 11700 components = new ArrayList<String>(); 11701 } 11702 if (!components.contains(componentName)) { 11703 components.add(componentName); 11704 } 11705 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11706 sendNow = true; 11707 // Purge entry from pending broadcast list if another one exists already 11708 // since we are sending one right away. 11709 mPendingBroadcasts.remove(userId, packageName); 11710 } else { 11711 if (newPackage) { 11712 mPendingBroadcasts.put(userId, packageName, components); 11713 } 11714 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11715 // Schedule a message 11716 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11717 } 11718 } 11719 } 11720 11721 long callingId = Binder.clearCallingIdentity(); 11722 try { 11723 if (sendNow) { 11724 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11725 sendPackageChangedBroadcast(packageName, 11726 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11727 } 11728 } finally { 11729 Binder.restoreCallingIdentity(callingId); 11730 } 11731 } 11732 11733 private void sendPackageChangedBroadcast(String packageName, 11734 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11735 if (DEBUG_INSTALL) 11736 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11737 + componentNames); 11738 Bundle extras = new Bundle(4); 11739 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11740 String nameList[] = new String[componentNames.size()]; 11741 componentNames.toArray(nameList); 11742 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11743 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11744 extras.putInt(Intent.EXTRA_UID, packageUid); 11745 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11746 new int[] {UserHandle.getUserId(packageUid)}); 11747 } 11748 11749 @Override 11750 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11751 if (!sUserManager.exists(userId)) return; 11752 final int uid = Binder.getCallingUid(); 11753 final int permission = mContext.checkCallingOrSelfPermission( 11754 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11755 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11756 enforceCrossUserPermission(uid, userId, true, "stop package"); 11757 // writer 11758 synchronized (mPackages) { 11759 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11760 uid, userId)) { 11761 scheduleWritePackageRestrictionsLocked(userId); 11762 } 11763 } 11764 } 11765 11766 @Override 11767 public String getInstallerPackageName(String packageName) { 11768 // reader 11769 synchronized (mPackages) { 11770 return mSettings.getInstallerPackageNameLPr(packageName); 11771 } 11772 } 11773 11774 @Override 11775 public int getApplicationEnabledSetting(String packageName, int userId) { 11776 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11777 int uid = Binder.getCallingUid(); 11778 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11779 // reader 11780 synchronized (mPackages) { 11781 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11782 } 11783 } 11784 11785 @Override 11786 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11787 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11788 int uid = Binder.getCallingUid(); 11789 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11790 // reader 11791 synchronized (mPackages) { 11792 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11793 } 11794 } 11795 11796 @Override 11797 public void enterSafeMode() { 11798 enforceSystemOrRoot("Only the system can request entering safe mode"); 11799 11800 if (!mSystemReady) { 11801 mSafeMode = true; 11802 } 11803 } 11804 11805 @Override 11806 public void systemReady() { 11807 mSystemReady = true; 11808 11809 // Read the compatibilty setting when the system is ready. 11810 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11811 mContext.getContentResolver(), 11812 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11813 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11814 if (DEBUG_SETTINGS) { 11815 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11816 } 11817 11818 synchronized (mPackages) { 11819 // Verify that all of the preferred activity components actually 11820 // exist. It is possible for applications to be updated and at 11821 // that point remove a previously declared activity component that 11822 // had been set as a preferred activity. We try to clean this up 11823 // the next time we encounter that preferred activity, but it is 11824 // possible for the user flow to never be able to return to that 11825 // situation so here we do a sanity check to make sure we haven't 11826 // left any junk around. 11827 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11828 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11829 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11830 removed.clear(); 11831 for (PreferredActivity pa : pir.filterSet()) { 11832 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11833 removed.add(pa); 11834 } 11835 } 11836 if (removed.size() > 0) { 11837 for (int r=0; r<removed.size(); r++) { 11838 PreferredActivity pa = removed.get(r); 11839 Slog.w(TAG, "Removing dangling preferred activity: " 11840 + pa.mPref.mComponent); 11841 pir.removeFilter(pa); 11842 } 11843 mSettings.writePackageRestrictionsLPr( 11844 mSettings.mPreferredActivities.keyAt(i)); 11845 } 11846 } 11847 } 11848 sUserManager.systemReady(); 11849 } 11850 11851 @Override 11852 public boolean isSafeMode() { 11853 return mSafeMode; 11854 } 11855 11856 @Override 11857 public boolean hasSystemUidErrors() { 11858 return mHasSystemUidErrors; 11859 } 11860 11861 static String arrayToString(int[] array) { 11862 StringBuffer buf = new StringBuffer(128); 11863 buf.append('['); 11864 if (array != null) { 11865 for (int i=0; i<array.length; i++) { 11866 if (i > 0) buf.append(", "); 11867 buf.append(array[i]); 11868 } 11869 } 11870 buf.append(']'); 11871 return buf.toString(); 11872 } 11873 11874 static class DumpState { 11875 public static final int DUMP_LIBS = 1 << 0; 11876 11877 public static final int DUMP_FEATURES = 1 << 1; 11878 11879 public static final int DUMP_RESOLVERS = 1 << 2; 11880 11881 public static final int DUMP_PERMISSIONS = 1 << 3; 11882 11883 public static final int DUMP_PACKAGES = 1 << 4; 11884 11885 public static final int DUMP_SHARED_USERS = 1 << 5; 11886 11887 public static final int DUMP_MESSAGES = 1 << 6; 11888 11889 public static final int DUMP_PROVIDERS = 1 << 7; 11890 11891 public static final int DUMP_VERIFIERS = 1 << 8; 11892 11893 public static final int DUMP_PREFERRED = 1 << 9; 11894 11895 public static final int DUMP_PREFERRED_XML = 1 << 10; 11896 11897 public static final int DUMP_KEYSETS = 1 << 11; 11898 11899 public static final int DUMP_VERSION = 1 << 12; 11900 11901 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11902 11903 private int mTypes; 11904 11905 private int mOptions; 11906 11907 private boolean mTitlePrinted; 11908 11909 private SharedUserSetting mSharedUser; 11910 11911 public boolean isDumping(int type) { 11912 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11913 return true; 11914 } 11915 11916 return (mTypes & type) != 0; 11917 } 11918 11919 public void setDump(int type) { 11920 mTypes |= type; 11921 } 11922 11923 public boolean isOptionEnabled(int option) { 11924 return (mOptions & option) != 0; 11925 } 11926 11927 public void setOptionEnabled(int option) { 11928 mOptions |= option; 11929 } 11930 11931 public boolean onTitlePrinted() { 11932 final boolean printed = mTitlePrinted; 11933 mTitlePrinted = true; 11934 return printed; 11935 } 11936 11937 public boolean getTitlePrinted() { 11938 return mTitlePrinted; 11939 } 11940 11941 public void setTitlePrinted(boolean enabled) { 11942 mTitlePrinted = enabled; 11943 } 11944 11945 public SharedUserSetting getSharedUser() { 11946 return mSharedUser; 11947 } 11948 11949 public void setSharedUser(SharedUserSetting user) { 11950 mSharedUser = user; 11951 } 11952 } 11953 11954 @Override 11955 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11956 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11957 != PackageManager.PERMISSION_GRANTED) { 11958 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11959 + Binder.getCallingPid() 11960 + ", uid=" + Binder.getCallingUid() 11961 + " without permission " 11962 + android.Manifest.permission.DUMP); 11963 return; 11964 } 11965 11966 DumpState dumpState = new DumpState(); 11967 boolean fullPreferred = false; 11968 boolean checkin = false; 11969 11970 String packageName = null; 11971 11972 int opti = 0; 11973 while (opti < args.length) { 11974 String opt = args[opti]; 11975 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11976 break; 11977 } 11978 opti++; 11979 if ("-a".equals(opt)) { 11980 // Right now we only know how to print all. 11981 } else if ("-h".equals(opt)) { 11982 pw.println("Package manager dump options:"); 11983 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11984 pw.println(" --checkin: dump for a checkin"); 11985 pw.println(" -f: print details of intent filters"); 11986 pw.println(" -h: print this help"); 11987 pw.println(" cmd may be one of:"); 11988 pw.println(" l[ibraries]: list known shared libraries"); 11989 pw.println(" f[ibraries]: list device features"); 11990 pw.println(" k[eysets]: print known keysets"); 11991 pw.println(" r[esolvers]: dump intent resolvers"); 11992 pw.println(" perm[issions]: dump permissions"); 11993 pw.println(" pref[erred]: print preferred package settings"); 11994 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11995 pw.println(" prov[iders]: dump content providers"); 11996 pw.println(" p[ackages]: dump installed packages"); 11997 pw.println(" s[hared-users]: dump shared user IDs"); 11998 pw.println(" m[essages]: print collected runtime messages"); 11999 pw.println(" v[erifiers]: print package verifier info"); 12000 pw.println(" version: print database version info"); 12001 pw.println(" write: write current settings now"); 12002 pw.println(" <package.name>: info about given package"); 12003 return; 12004 } else if ("--checkin".equals(opt)) { 12005 checkin = true; 12006 } else if ("-f".equals(opt)) { 12007 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12008 } else { 12009 pw.println("Unknown argument: " + opt + "; use -h for help"); 12010 } 12011 } 12012 12013 // Is the caller requesting to dump a particular piece of data? 12014 if (opti < args.length) { 12015 String cmd = args[opti]; 12016 opti++; 12017 // Is this a package name? 12018 if ("android".equals(cmd) || cmd.contains(".")) { 12019 packageName = cmd; 12020 // When dumping a single package, we always dump all of its 12021 // filter information since the amount of data will be reasonable. 12022 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12023 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12024 dumpState.setDump(DumpState.DUMP_LIBS); 12025 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12026 dumpState.setDump(DumpState.DUMP_FEATURES); 12027 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12028 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12029 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12030 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12031 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12032 dumpState.setDump(DumpState.DUMP_PREFERRED); 12033 } else if ("preferred-xml".equals(cmd)) { 12034 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12035 if (opti < args.length && "--full".equals(args[opti])) { 12036 fullPreferred = true; 12037 opti++; 12038 } 12039 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12040 dumpState.setDump(DumpState.DUMP_PACKAGES); 12041 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12042 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12043 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12044 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12045 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12046 dumpState.setDump(DumpState.DUMP_MESSAGES); 12047 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12048 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12049 } else if ("version".equals(cmd)) { 12050 dumpState.setDump(DumpState.DUMP_VERSION); 12051 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12052 dumpState.setDump(DumpState.DUMP_KEYSETS); 12053 } else if ("write".equals(cmd)) { 12054 synchronized (mPackages) { 12055 mSettings.writeLPr(); 12056 pw.println("Settings written."); 12057 return; 12058 } 12059 } 12060 } 12061 12062 if (checkin) { 12063 pw.println("vers,1"); 12064 } 12065 12066 // reader 12067 synchronized (mPackages) { 12068 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12069 if (!checkin) { 12070 if (dumpState.onTitlePrinted()) 12071 pw.println(); 12072 pw.println("Database versions:"); 12073 pw.print(" SDK Version:"); 12074 pw.print(" internal="); 12075 pw.print(mSettings.mInternalSdkPlatform); 12076 pw.print(" external="); 12077 pw.println(mSettings.mExternalSdkPlatform); 12078 pw.print(" DB Version:"); 12079 pw.print(" internal="); 12080 pw.print(mSettings.mInternalDatabaseVersion); 12081 pw.print(" external="); 12082 pw.println(mSettings.mExternalDatabaseVersion); 12083 } 12084 } 12085 12086 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12087 if (!checkin) { 12088 if (dumpState.onTitlePrinted()) 12089 pw.println(); 12090 pw.println("Verifiers:"); 12091 pw.print(" Required: "); 12092 pw.print(mRequiredVerifierPackage); 12093 pw.print(" (uid="); 12094 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12095 pw.println(")"); 12096 } else if (mRequiredVerifierPackage != null) { 12097 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12098 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12099 } 12100 } 12101 12102 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12103 boolean printedHeader = false; 12104 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12105 while (it.hasNext()) { 12106 String name = it.next(); 12107 SharedLibraryEntry ent = mSharedLibraries.get(name); 12108 if (!checkin) { 12109 if (!printedHeader) { 12110 if (dumpState.onTitlePrinted()) 12111 pw.println(); 12112 pw.println("Libraries:"); 12113 printedHeader = true; 12114 } 12115 pw.print(" "); 12116 } else { 12117 pw.print("lib,"); 12118 } 12119 pw.print(name); 12120 if (!checkin) { 12121 pw.print(" -> "); 12122 } 12123 if (ent.path != null) { 12124 if (!checkin) { 12125 pw.print("(jar) "); 12126 pw.print(ent.path); 12127 } else { 12128 pw.print(",jar,"); 12129 pw.print(ent.path); 12130 } 12131 } else { 12132 if (!checkin) { 12133 pw.print("(apk) "); 12134 pw.print(ent.apk); 12135 } else { 12136 pw.print(",apk,"); 12137 pw.print(ent.apk); 12138 } 12139 } 12140 pw.println(); 12141 } 12142 } 12143 12144 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12145 if (dumpState.onTitlePrinted()) 12146 pw.println(); 12147 if (!checkin) { 12148 pw.println("Features:"); 12149 } 12150 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12151 while (it.hasNext()) { 12152 String name = it.next(); 12153 if (!checkin) { 12154 pw.print(" "); 12155 } else { 12156 pw.print("feat,"); 12157 } 12158 pw.println(name); 12159 } 12160 } 12161 12162 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12163 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12164 : "Activity Resolver Table:", " ", packageName, 12165 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12166 dumpState.setTitlePrinted(true); 12167 } 12168 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12169 : "Receiver Resolver Table:", " ", packageName, 12170 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12171 dumpState.setTitlePrinted(true); 12172 } 12173 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12174 : "Service Resolver Table:", " ", packageName, 12175 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12176 dumpState.setTitlePrinted(true); 12177 } 12178 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12179 : "Provider Resolver Table:", " ", packageName, 12180 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12181 dumpState.setTitlePrinted(true); 12182 } 12183 } 12184 12185 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12186 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12187 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12188 int user = mSettings.mPreferredActivities.keyAt(i); 12189 if (pir.dump(pw, 12190 dumpState.getTitlePrinted() 12191 ? "\nPreferred Activities User " + user + ":" 12192 : "Preferred Activities User " + user + ":", " ", 12193 packageName, true)) { 12194 dumpState.setTitlePrinted(true); 12195 } 12196 } 12197 } 12198 12199 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12200 pw.flush(); 12201 FileOutputStream fout = new FileOutputStream(fd); 12202 BufferedOutputStream str = new BufferedOutputStream(fout); 12203 XmlSerializer serializer = new FastXmlSerializer(); 12204 try { 12205 serializer.setOutput(str, "utf-8"); 12206 serializer.startDocument(null, true); 12207 serializer.setFeature( 12208 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12209 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12210 serializer.endDocument(); 12211 serializer.flush(); 12212 } catch (IllegalArgumentException e) { 12213 pw.println("Failed writing: " + e); 12214 } catch (IllegalStateException e) { 12215 pw.println("Failed writing: " + e); 12216 } catch (IOException e) { 12217 pw.println("Failed writing: " + e); 12218 } 12219 } 12220 12221 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12222 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12223 } 12224 12225 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12226 boolean printedSomething = false; 12227 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12228 if (packageName != null && !packageName.equals(p.info.packageName)) { 12229 continue; 12230 } 12231 if (!printedSomething) { 12232 if (dumpState.onTitlePrinted()) 12233 pw.println(); 12234 pw.println("Registered ContentProviders:"); 12235 printedSomething = true; 12236 } 12237 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12238 pw.print(" "); pw.println(p.toString()); 12239 } 12240 printedSomething = false; 12241 for (Map.Entry<String, PackageParser.Provider> entry : 12242 mProvidersByAuthority.entrySet()) { 12243 PackageParser.Provider p = entry.getValue(); 12244 if (packageName != null && !packageName.equals(p.info.packageName)) { 12245 continue; 12246 } 12247 if (!printedSomething) { 12248 if (dumpState.onTitlePrinted()) 12249 pw.println(); 12250 pw.println("ContentProvider Authorities:"); 12251 printedSomething = true; 12252 } 12253 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12254 pw.print(" "); pw.println(p.toString()); 12255 if (p.info != null && p.info.applicationInfo != null) { 12256 final String appInfo = p.info.applicationInfo.toString(); 12257 pw.print(" applicationInfo="); pw.println(appInfo); 12258 } 12259 } 12260 } 12261 12262 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12263 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12264 } 12265 12266 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12267 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12268 } 12269 12270 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12271 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12272 } 12273 12274 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12275 if (dumpState.onTitlePrinted()) 12276 pw.println(); 12277 mSettings.dumpReadMessagesLPr(pw, dumpState); 12278 12279 pw.println(); 12280 pw.println("Package warning messages:"); 12281 final File fname = getSettingsProblemFile(); 12282 FileInputStream in = null; 12283 try { 12284 in = new FileInputStream(fname); 12285 final int avail = in.available(); 12286 final byte[] data = new byte[avail]; 12287 in.read(data); 12288 pw.print(new String(data)); 12289 } catch (FileNotFoundException e) { 12290 } catch (IOException e) { 12291 } finally { 12292 if (in != null) { 12293 try { 12294 in.close(); 12295 } catch (IOException e) { 12296 } 12297 } 12298 } 12299 } 12300 } 12301 } 12302 12303 // ------- apps on sdcard specific code ------- 12304 static final boolean DEBUG_SD_INSTALL = false; 12305 12306 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12307 12308 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12309 12310 private boolean mMediaMounted = false; 12311 12312 private String getEncryptKey() { 12313 try { 12314 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12315 SD_ENCRYPTION_KEYSTORE_NAME); 12316 if (sdEncKey == null) { 12317 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12318 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12319 if (sdEncKey == null) { 12320 Slog.e(TAG, "Failed to create encryption keys"); 12321 return null; 12322 } 12323 } 12324 return sdEncKey; 12325 } catch (NoSuchAlgorithmException nsae) { 12326 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12327 return null; 12328 } catch (IOException ioe) { 12329 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12330 return null; 12331 } 12332 12333 } 12334 12335 /* package */static String getTempContainerId() { 12336 int tmpIdx = 1; 12337 String list[] = PackageHelper.getSecureContainerList(); 12338 if (list != null) { 12339 for (final String name : list) { 12340 // Ignore null and non-temporary container entries 12341 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12342 continue; 12343 } 12344 12345 String subStr = name.substring(mTempContainerPrefix.length()); 12346 try { 12347 int cid = Integer.parseInt(subStr); 12348 if (cid >= tmpIdx) { 12349 tmpIdx = cid + 1; 12350 } 12351 } catch (NumberFormatException e) { 12352 } 12353 } 12354 } 12355 return mTempContainerPrefix + tmpIdx; 12356 } 12357 12358 /* 12359 * Update media status on PackageManager. 12360 */ 12361 @Override 12362 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12363 int callingUid = Binder.getCallingUid(); 12364 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12365 throw new SecurityException("Media status can only be updated by the system"); 12366 } 12367 // reader; this apparently protects mMediaMounted, but should probably 12368 // be a different lock in that case. 12369 synchronized (mPackages) { 12370 Log.i(TAG, "Updating external media status from " 12371 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12372 + (mediaStatus ? "mounted" : "unmounted")); 12373 if (DEBUG_SD_INSTALL) 12374 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12375 + ", mMediaMounted=" + mMediaMounted); 12376 if (mediaStatus == mMediaMounted) { 12377 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12378 : 0, -1); 12379 mHandler.sendMessage(msg); 12380 return; 12381 } 12382 mMediaMounted = mediaStatus; 12383 } 12384 // Queue up an async operation since the package installation may take a 12385 // little while. 12386 mHandler.post(new Runnable() { 12387 public void run() { 12388 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12389 } 12390 }); 12391 } 12392 12393 /** 12394 * Called by MountService when the initial ASECs to scan are available. 12395 * Should block until all the ASEC containers are finished being scanned. 12396 */ 12397 public void scanAvailableAsecs() { 12398 updateExternalMediaStatusInner(true, false, false); 12399 if (mShouldRestoreconData) { 12400 SELinuxMMAC.setRestoreconDone(); 12401 mShouldRestoreconData = false; 12402 } 12403 } 12404 12405 /* 12406 * Collect information of applications on external media, map them against 12407 * existing containers and update information based on current mount status. 12408 * Please note that we always have to report status if reportStatus has been 12409 * set to true especially when unloading packages. 12410 */ 12411 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12412 boolean externalStorage) { 12413 // Collection of uids 12414 int uidArr[] = null; 12415 // Collection of stale containers 12416 HashSet<String> removeCids = new HashSet<String>(); 12417 // Collection of packages on external media with valid containers. 12418 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12419 // Get list of secure containers. 12420 final String list[] = PackageHelper.getSecureContainerList(); 12421 if (list == null || list.length == 0) { 12422 Log.i(TAG, "No secure containers on sdcard"); 12423 } else { 12424 // Process list of secure containers and categorize them 12425 // as active or stale based on their package internal state. 12426 int uidList[] = new int[list.length]; 12427 int num = 0; 12428 // reader 12429 synchronized (mPackages) { 12430 for (String cid : list) { 12431 if (DEBUG_SD_INSTALL) 12432 Log.i(TAG, "Processing container " + cid); 12433 String pkgName = getAsecPackageName(cid); 12434 if (pkgName == null) { 12435 if (DEBUG_SD_INSTALL) 12436 Log.i(TAG, "Container : " + cid + " stale"); 12437 removeCids.add(cid); 12438 continue; 12439 } 12440 if (DEBUG_SD_INSTALL) 12441 Log.i(TAG, "Looking for pkg : " + pkgName); 12442 12443 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12444 if (ps == null) { 12445 Log.i(TAG, "Deleting container with no matching settings " + cid); 12446 removeCids.add(cid); 12447 continue; 12448 } 12449 12450 /* 12451 * Skip packages that are not external if we're unmounting 12452 * external storage. 12453 */ 12454 if (externalStorage && !isMounted && !isExternal(ps)) { 12455 continue; 12456 } 12457 12458 final AsecInstallArgs args = new AsecInstallArgs(cid, 12459 getAppInstructionSetFromSettings(ps), 12460 isForwardLocked(ps)); 12461 // The package status is changed only if the code path 12462 // matches between settings and the container id. 12463 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12464 if (DEBUG_SD_INSTALL) { 12465 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12466 + " at code path: " + ps.codePathString); 12467 } 12468 12469 // We do have a valid package installed on sdcard 12470 processCids.put(args, ps.codePathString); 12471 final int uid = ps.appId; 12472 if (uid != -1) { 12473 uidList[num++] = uid; 12474 } 12475 } else { 12476 Log.i(TAG, "Deleting stale container for " + cid); 12477 removeCids.add(cid); 12478 } 12479 } 12480 } 12481 12482 if (num > 0) { 12483 // Sort uid list 12484 Arrays.sort(uidList, 0, num); 12485 // Throw away duplicates 12486 uidArr = new int[num]; 12487 uidArr[0] = uidList[0]; 12488 int di = 0; 12489 for (int i = 1; i < num; i++) { 12490 if (uidList[i - 1] != uidList[i]) { 12491 uidArr[di++] = uidList[i]; 12492 } 12493 } 12494 } 12495 } 12496 // Process packages with valid entries. 12497 if (isMounted) { 12498 if (DEBUG_SD_INSTALL) 12499 Log.i(TAG, "Loading packages"); 12500 loadMediaPackages(processCids, uidArr, removeCids); 12501 startCleaningPackages(); 12502 } else { 12503 if (DEBUG_SD_INSTALL) 12504 Log.i(TAG, "Unloading packages"); 12505 unloadMediaPackages(processCids, uidArr, reportStatus); 12506 } 12507 } 12508 12509 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12510 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12511 int size = pkgList.size(); 12512 if (size > 0) { 12513 // Send broadcasts here 12514 Bundle extras = new Bundle(); 12515 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12516 .toArray(new String[size])); 12517 if (uidArr != null) { 12518 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12519 } 12520 if (replacing) { 12521 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12522 } 12523 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12524 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12525 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12526 } 12527 } 12528 12529 /* 12530 * Look at potentially valid container ids from processCids If package 12531 * information doesn't match the one on record or package scanning fails, 12532 * the cid is added to list of removeCids. We currently don't delete stale 12533 * containers. 12534 */ 12535 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12536 HashSet<String> removeCids) { 12537 ArrayList<String> pkgList = new ArrayList<String>(); 12538 Set<AsecInstallArgs> keys = processCids.keySet(); 12539 boolean doGc = false; 12540 for (AsecInstallArgs args : keys) { 12541 String codePath = processCids.get(args); 12542 if (DEBUG_SD_INSTALL) 12543 Log.i(TAG, "Loading container : " + args.cid); 12544 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12545 try { 12546 // Make sure there are no container errors first. 12547 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12548 Slog.e(TAG, "Failed to mount cid : " + args.cid 12549 + " when installing from sdcard"); 12550 continue; 12551 } 12552 // Check code path here. 12553 if (codePath == null || !codePath.equals(args.getCodePath())) { 12554 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12555 + " does not match one in settings " + codePath); 12556 continue; 12557 } 12558 // Parse package 12559 int parseFlags = mDefParseFlags; 12560 if (args.isExternal()) { 12561 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12562 } 12563 if (args.isFwdLocked()) { 12564 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12565 } 12566 12567 doGc = true; 12568 synchronized (mInstallLock) { 12569 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12570 0, 0, null, null); 12571 // Scan the package 12572 if (pkg != null) { 12573 /* 12574 * TODO why is the lock being held? doPostInstall is 12575 * called in other places without the lock. This needs 12576 * to be straightened out. 12577 */ 12578 // writer 12579 synchronized (mPackages) { 12580 retCode = PackageManager.INSTALL_SUCCEEDED; 12581 pkgList.add(pkg.packageName); 12582 // Post process args 12583 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12584 pkg.applicationInfo.uid); 12585 } 12586 } else { 12587 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12588 } 12589 } 12590 12591 } finally { 12592 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12593 // Don't destroy container here. Wait till gc clears things 12594 // up. 12595 removeCids.add(args.cid); 12596 } 12597 } 12598 } 12599 // writer 12600 synchronized (mPackages) { 12601 // If the platform SDK has changed since the last time we booted, 12602 // we need to re-grant app permission to catch any new ones that 12603 // appear. This is really a hack, and means that apps can in some 12604 // cases get permissions that the user didn't initially explicitly 12605 // allow... it would be nice to have some better way to handle 12606 // this situation. 12607 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12608 if (regrantPermissions) 12609 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12610 + mSdkVersion + "; regranting permissions for external storage"); 12611 mSettings.mExternalSdkPlatform = mSdkVersion; 12612 12613 // Make sure group IDs have been assigned, and any permission 12614 // changes in other apps are accounted for 12615 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12616 | (regrantPermissions 12617 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12618 : 0)); 12619 12620 mSettings.updateExternalDatabaseVersion(); 12621 12622 // can downgrade to reader 12623 // Persist settings 12624 mSettings.writeLPr(); 12625 } 12626 // Send a broadcast to let everyone know we are done processing 12627 if (pkgList.size() > 0) { 12628 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12629 } 12630 // Force gc to avoid any stale parser references that we might have. 12631 if (doGc) { 12632 Runtime.getRuntime().gc(); 12633 } 12634 // List stale containers and destroy stale temporary containers. 12635 if (removeCids != null) { 12636 for (String cid : removeCids) { 12637 if (cid.startsWith(mTempContainerPrefix)) { 12638 Log.i(TAG, "Destroying stale temporary container " + cid); 12639 PackageHelper.destroySdDir(cid); 12640 } else { 12641 Log.w(TAG, "Container " + cid + " is stale"); 12642 } 12643 } 12644 } 12645 } 12646 12647 /* 12648 * Utility method to unload a list of specified containers 12649 */ 12650 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12651 // Just unmount all valid containers. 12652 for (AsecInstallArgs arg : cidArgs) { 12653 synchronized (mInstallLock) { 12654 arg.doPostDeleteLI(false); 12655 } 12656 } 12657 } 12658 12659 /* 12660 * Unload packages mounted on external media. This involves deleting package 12661 * data from internal structures, sending broadcasts about diabled packages, 12662 * gc'ing to free up references, unmounting all secure containers 12663 * corresponding to packages on external media, and posting a 12664 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12665 * that we always have to post this message if status has been requested no 12666 * matter what. 12667 */ 12668 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12669 final boolean reportStatus) { 12670 if (DEBUG_SD_INSTALL) 12671 Log.i(TAG, "unloading media packages"); 12672 ArrayList<String> pkgList = new ArrayList<String>(); 12673 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12674 final Set<AsecInstallArgs> keys = processCids.keySet(); 12675 for (AsecInstallArgs args : keys) { 12676 String pkgName = args.getPackageName(); 12677 if (DEBUG_SD_INSTALL) 12678 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12679 // Delete package internally 12680 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12681 synchronized (mInstallLock) { 12682 boolean res = deletePackageLI(pkgName, null, false, null, null, 12683 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12684 if (res) { 12685 pkgList.add(pkgName); 12686 } else { 12687 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12688 failedList.add(args); 12689 } 12690 } 12691 } 12692 12693 // reader 12694 synchronized (mPackages) { 12695 // We didn't update the settings after removing each package; 12696 // write them now for all packages. 12697 mSettings.writeLPr(); 12698 } 12699 12700 // We have to absolutely send UPDATED_MEDIA_STATUS only 12701 // after confirming that all the receivers processed the ordered 12702 // broadcast when packages get disabled, force a gc to clean things up. 12703 // and unload all the containers. 12704 if (pkgList.size() > 0) { 12705 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12706 new IIntentReceiver.Stub() { 12707 public void performReceive(Intent intent, int resultCode, String data, 12708 Bundle extras, boolean ordered, boolean sticky, 12709 int sendingUser) throws RemoteException { 12710 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12711 reportStatus ? 1 : 0, 1, keys); 12712 mHandler.sendMessage(msg); 12713 } 12714 }); 12715 } else { 12716 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12717 keys); 12718 mHandler.sendMessage(msg); 12719 } 12720 } 12721 12722 /** Binder call */ 12723 @Override 12724 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12725 final int flags) { 12726 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12727 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12728 int returnCode = PackageManager.MOVE_SUCCEEDED; 12729 int currFlags = 0; 12730 int newFlags = 0; 12731 // reader 12732 synchronized (mPackages) { 12733 PackageParser.Package pkg = mPackages.get(packageName); 12734 if (pkg == null) { 12735 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12736 } else { 12737 // Disable moving fwd locked apps and system packages 12738 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12739 Slog.w(TAG, "Cannot move system application"); 12740 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12741 } else if (pkg.mOperationPending) { 12742 Slog.w(TAG, "Attempt to move package which has pending operations"); 12743 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12744 } else { 12745 // Find install location first 12746 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12747 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12748 Slog.w(TAG, "Ambigous flags specified for move location."); 12749 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12750 } else { 12751 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12752 : PackageManager.INSTALL_INTERNAL; 12753 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12754 : PackageManager.INSTALL_INTERNAL; 12755 12756 if (newFlags == currFlags) { 12757 Slog.w(TAG, "No move required. Trying to move to same location"); 12758 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12759 } else { 12760 if (isForwardLocked(pkg)) { 12761 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12762 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12763 } 12764 } 12765 } 12766 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12767 pkg.mOperationPending = true; 12768 } 12769 } 12770 } 12771 12772 /* 12773 * TODO this next block probably shouldn't be inside the lock. We 12774 * can't guarantee these won't change after this is fired off 12775 * anyway. 12776 */ 12777 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12778 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12779 null, -1, user), 12780 returnCode); 12781 } else { 12782 Message msg = mHandler.obtainMessage(INIT_COPY); 12783 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12784 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12785 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12786 instructionSet); 12787 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12788 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12789 msg.obj = mp; 12790 mHandler.sendMessage(msg); 12791 } 12792 } 12793 } 12794 12795 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12796 // Queue up an async operation since the package deletion may take a 12797 // little while. 12798 mHandler.post(new Runnable() { 12799 public void run() { 12800 // TODO fix this; this does nothing. 12801 mHandler.removeCallbacks(this); 12802 int returnCode = currentStatus; 12803 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12804 int uidArr[] = null; 12805 ArrayList<String> pkgList = null; 12806 synchronized (mPackages) { 12807 PackageParser.Package pkg = mPackages.get(mp.packageName); 12808 if (pkg == null) { 12809 Slog.w(TAG, " Package " + mp.packageName 12810 + " doesn't exist. Aborting move"); 12811 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12812 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12813 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12814 + mp.srcArgs.getCodePath() + " to " 12815 + pkg.applicationInfo.sourceDir 12816 + " Aborting move and returning error"); 12817 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12818 } else { 12819 uidArr = new int[] { 12820 pkg.applicationInfo.uid 12821 }; 12822 pkgList = new ArrayList<String>(); 12823 pkgList.add(mp.packageName); 12824 } 12825 } 12826 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12827 // Send resources unavailable broadcast 12828 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12829 // Update package code and resource paths 12830 synchronized (mInstallLock) { 12831 synchronized (mPackages) { 12832 PackageParser.Package pkg = mPackages.get(mp.packageName); 12833 // Recheck for package again. 12834 if (pkg == null) { 12835 Slog.w(TAG, " Package " + mp.packageName 12836 + " doesn't exist. Aborting move"); 12837 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12838 } else if (!mp.srcArgs.getCodePath().equals( 12839 pkg.applicationInfo.sourceDir)) { 12840 Slog.w(TAG, "Package " + mp.packageName 12841 + " code path changed from " + mp.srcArgs.getCodePath() 12842 + " to " + pkg.applicationInfo.sourceDir 12843 + " Aborting move and returning error"); 12844 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12845 } else { 12846 final String oldCodePath = pkg.codePath; 12847 final String newCodePath = mp.targetArgs.getCodePath(); 12848 final String newResPath = mp.targetArgs.getResourcePath(); 12849 final String newNativePath = mp.targetArgs 12850 .getNativeLibraryPath(); 12851 12852 final File newNativeDir = new File(newNativePath); 12853 12854 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12855 // NOTE: We do not report any errors from the APK scan and library 12856 // copy at this point. 12857 NativeLibraryHelper.ApkHandle handle = 12858 new NativeLibraryHelper.ApkHandle(newCodePath); 12859 final int abi = NativeLibraryHelper.findSupportedAbi( 12860 handle, Build.SUPPORTED_ABIS); 12861 if (abi >= 0) { 12862 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12863 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12864 } 12865 handle.close(); 12866 } 12867 final int[] users = sUserManager.getUserIds(); 12868 for (int user : users) { 12869 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12870 newNativePath, user) < 0) { 12871 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12872 } 12873 } 12874 12875 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12876 pkg.codePath = newCodePath; 12877 // Move dex files around 12878 if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) { 12879 // Moving of dex files failed. Set 12880 // error code and abort move. 12881 pkg.codePath = oldCodePath; 12882 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12883 } 12884 } 12885 12886 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12887 pkg.applicationInfo.sourceDir = newCodePath; 12888 pkg.applicationInfo.publicSourceDir = newResPath; 12889 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12890 PackageSetting ps = (PackageSetting) pkg.mExtras; 12891 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12892 ps.codePathString = ps.codePath.getPath(); 12893 ps.resourcePath = new File( 12894 pkg.applicationInfo.publicSourceDir); 12895 ps.resourcePathString = ps.resourcePath.getPath(); 12896 ps.nativeLibraryPathString = newNativePath; 12897 // Set the application info flag 12898 // correctly. 12899 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12900 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12901 } else { 12902 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12903 } 12904 ps.setFlags(pkg.applicationInfo.flags); 12905 mAppDirs.remove(oldCodePath); 12906 mAppDirs.put(newCodePath, pkg); 12907 // Persist settings 12908 mSettings.writeLPr(); 12909 } 12910 } 12911 } 12912 } 12913 // Send resources available broadcast 12914 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12915 } 12916 } 12917 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12918 // Clean up failed installation 12919 if (mp.targetArgs != null) { 12920 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12921 -1); 12922 } 12923 } else { 12924 // Force a gc to clear things up. 12925 Runtime.getRuntime().gc(); 12926 // Delete older code 12927 synchronized (mInstallLock) { 12928 mp.srcArgs.doPostDeleteLI(true); 12929 } 12930 } 12931 12932 // Allow more operations on this file if we didn't fail because 12933 // an operation was already pending for this package. 12934 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12935 synchronized (mPackages) { 12936 PackageParser.Package pkg = mPackages.get(mp.packageName); 12937 if (pkg != null) { 12938 pkg.mOperationPending = false; 12939 } 12940 } 12941 } 12942 12943 IPackageMoveObserver observer = mp.observer; 12944 if (observer != null) { 12945 try { 12946 observer.packageMoved(mp.packageName, returnCode); 12947 } catch (RemoteException e) { 12948 Log.i(TAG, "Observer no longer exists."); 12949 } 12950 } 12951 } 12952 }); 12953 } 12954 12955 @Override 12956 public boolean setInstallLocation(int loc) { 12957 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12958 null); 12959 if (getInstallLocation() == loc) { 12960 return true; 12961 } 12962 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12963 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12964 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12965 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12966 return true; 12967 } 12968 return false; 12969 } 12970 12971 @Override 12972 public int getInstallLocation() { 12973 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12974 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12975 PackageHelper.APP_INSTALL_AUTO); 12976 } 12977 12978 /** Called by UserManagerService */ 12979 void cleanUpUserLILPw(int userHandle) { 12980 mDirtyUsers.remove(userHandle); 12981 mSettings.removeUserLPr(userHandle); 12982 mPendingBroadcasts.remove(userHandle); 12983 if (mInstaller != null) { 12984 // Technically, we shouldn't be doing this with the package lock 12985 // held. However, this is very rare, and there is already so much 12986 // other disk I/O going on, that we'll let it slide for now. 12987 mInstaller.removeUserDataDirs(userHandle); 12988 } 12989 mUserNeedsBadging.delete(userHandle); 12990 } 12991 12992 /** Called by UserManagerService */ 12993 void createNewUserLILPw(int userHandle, File path) { 12994 if (mInstaller != null) { 12995 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12996 } 12997 } 12998 12999 @Override 13000 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13001 mContext.enforceCallingOrSelfPermission( 13002 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13003 "Only package verification agents can read the verifier device identity"); 13004 13005 synchronized (mPackages) { 13006 return mSettings.getVerifierDeviceIdentityLPw(); 13007 } 13008 } 13009 13010 @Override 13011 public void setPermissionEnforced(String permission, boolean enforced) { 13012 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13013 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13014 synchronized (mPackages) { 13015 if (mSettings.mReadExternalStorageEnforced == null 13016 || mSettings.mReadExternalStorageEnforced != enforced) { 13017 mSettings.mReadExternalStorageEnforced = enforced; 13018 mSettings.writeLPr(); 13019 } 13020 } 13021 // kill any non-foreground processes so we restart them and 13022 // grant/revoke the GID. 13023 final IActivityManager am = ActivityManagerNative.getDefault(); 13024 if (am != null) { 13025 final long token = Binder.clearCallingIdentity(); 13026 try { 13027 am.killProcessesBelowForeground("setPermissionEnforcement"); 13028 } catch (RemoteException e) { 13029 } finally { 13030 Binder.restoreCallingIdentity(token); 13031 } 13032 } 13033 } else { 13034 throw new IllegalArgumentException("No selective enforcement for " + permission); 13035 } 13036 } 13037 13038 @Override 13039 @Deprecated 13040 public boolean isPermissionEnforced(String permission) { 13041 return true; 13042 } 13043 13044 @Override 13045 public boolean isStorageLow() { 13046 final long token = Binder.clearCallingIdentity(); 13047 try { 13048 final DeviceStorageMonitorInternal 13049 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13050 if (dsm != null) { 13051 return dsm.isMemoryLow(); 13052 } else { 13053 return false; 13054 } 13055 } finally { 13056 Binder.restoreCallingIdentity(token); 13057 } 13058 } 13059 13060 @Override 13061 public IPackageInstaller getPackageInstaller() { 13062 return mInstallerService; 13063 } 13064 13065 private boolean userNeedsBadging(int userId) { 13066 int index = mUserNeedsBadging.indexOfKey(userId); 13067 if (index < 0) { 13068 final UserInfo userInfo; 13069 final long token = Binder.clearCallingIdentity(); 13070 try { 13071 userInfo = sUserManager.getUserInfo(userId); 13072 } finally { 13073 Binder.restoreCallingIdentity(token); 13074 } 13075 final boolean b; 13076 if (userInfo != null && userInfo.isManagedProfile()) { 13077 b = true; 13078 } else { 13079 b = false; 13080 } 13081 mUserNeedsBadging.put(userId, b); 13082 return b; 13083 } 13084 return mUserNeedsBadging.valueAt(index); 13085 } 13086} 13087