PackageManagerService.java revision 5406f59abd0cde826e8254fe628bea6d80769c8c
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.system.OsConstants.S_IRWXU; 27import static android.system.OsConstants.S_IRGRP; 28import static android.system.OsConstants.S_IXGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IXOTH; 31import static android.os.Process.PACKAGE_INFO_GID; 32import static android.os.Process.SYSTEM_UID; 33import static com.android.internal.util.ArrayUtils.appendInt; 34import static com.android.internal.util.ArrayUtils.removeInt; 35 36import com.android.internal.R; 37import com.android.internal.app.IMediaContainerService; 38import com.android.internal.app.ResolverActivity; 39import com.android.internal.content.NativeLibraryHelper; 40import com.android.internal.content.NativeLibraryHelper.ApkHandle; 41import com.android.internal.content.PackageHelper; 42import com.android.internal.util.FastPrintWriter; 43import com.android.internal.util.FastXmlSerializer; 44import com.android.internal.util.XmlUtils; 45import com.android.server.EventLogTags; 46import com.android.server.IntentResolver; 47import com.android.server.LocalServices; 48import com.android.server.ServiceThread; 49import com.android.server.Watchdog; 50import com.android.server.storage.DeviceStorageMonitorInternal; 51 52import org.xmlpull.v1.XmlPullParser; 53import org.xmlpull.v1.XmlPullParserException; 54import org.xmlpull.v1.XmlSerializer; 55 56import android.app.ActivityManager; 57import android.app.ActivityManagerNative; 58import android.app.IActivityManager; 59import android.app.admin.IDevicePolicyManager; 60import android.app.backup.IBackupManager; 61import android.content.BroadcastReceiver; 62import android.content.ComponentName; 63import android.content.Context; 64import android.content.IIntentReceiver; 65import android.content.Intent; 66import android.content.IntentFilter; 67import android.content.IntentSender; 68import android.content.IntentSender.SendIntentException; 69import android.content.ServiceConnection; 70import android.content.pm.ActivityInfo; 71import android.content.pm.ApplicationInfo; 72import android.content.pm.ContainerEncryptionParams; 73import android.content.pm.FeatureInfo; 74import android.content.pm.IPackageDataObserver; 75import android.content.pm.IPackageDeleteObserver; 76import android.content.pm.IPackageInstallObserver; 77import android.content.pm.IPackageManager; 78import android.content.pm.IPackageMoveObserver; 79import android.content.pm.IPackageStatsObserver; 80import android.content.pm.InstrumentationInfo; 81import android.content.pm.ManifestDigest; 82import android.content.pm.PackageCleanItem; 83import android.content.pm.PackageInfo; 84import android.content.pm.PackageInfoLite; 85import android.content.pm.PackageManager; 86import android.content.pm.PackageParser.ActivityIntentInfo; 87import android.content.pm.PackageParser; 88import android.content.pm.PackageStats; 89import android.content.pm.PackageUserState; 90import android.content.pm.ParceledListSlice; 91import android.content.pm.PermissionGroupInfo; 92import android.content.pm.PermissionInfo; 93import android.content.pm.ProviderInfo; 94import android.content.pm.ResolveInfo; 95import android.content.pm.ServiceInfo; 96import android.content.pm.Signature; 97import android.content.pm.VerificationParams; 98import android.content.pm.VerifierDeviceIdentity; 99import android.content.pm.VerifierInfo; 100import android.content.res.Resources; 101import android.hardware.display.DisplayManager; 102import android.net.Uri; 103import android.os.Binder; 104import android.os.Build; 105import android.os.Bundle; 106import android.os.Environment; 107import android.os.Environment.UserEnvironment; 108import android.os.FileObserver; 109import android.os.FileUtils; 110import android.os.Handler; 111import android.os.IBinder; 112import android.os.Looper; 113import android.os.Message; 114import android.os.Parcel; 115import android.os.ParcelFileDescriptor; 116import android.os.Process; 117import android.os.RemoteException; 118import android.os.SELinux; 119import android.os.ServiceManager; 120import android.os.SystemClock; 121import android.os.SystemProperties; 122import android.os.UserHandle; 123import android.os.UserManager; 124import android.security.KeyStore; 125import android.security.SystemKeyStore; 126import android.system.ErrnoException; 127import android.system.Os; 128import android.system.StructStat; 129import android.text.TextUtils; 130import android.util.AtomicFile; 131import android.util.DisplayMetrics; 132import android.util.EventLog; 133import android.util.Log; 134import android.util.LogPrinter; 135import android.util.PrintStreamPrinter; 136import android.util.Slog; 137import android.util.SparseArray; 138import android.util.Xml; 139import android.view.Display; 140 141import java.io.BufferedInputStream; 142import java.io.BufferedOutputStream; 143import java.io.File; 144import java.io.FileDescriptor; 145import java.io.FileInputStream; 146import java.io.FileNotFoundException; 147import java.io.FileOutputStream; 148import java.io.FileReader; 149import java.io.FilenameFilter; 150import java.io.IOException; 151import java.io.InputStream; 152import java.io.PrintWriter; 153import java.nio.charset.StandardCharsets; 154import java.security.NoSuchAlgorithmException; 155import java.security.PublicKey; 156import java.security.cert.CertificateException; 157import java.text.SimpleDateFormat; 158import java.util.ArrayList; 159import java.util.Arrays; 160import java.util.Collection; 161import java.util.Collections; 162import java.util.Comparator; 163import java.util.Date; 164import java.util.HashMap; 165import java.util.HashSet; 166import java.util.Iterator; 167import java.util.List; 168import java.util.Map; 169import java.util.Set; 170import java.util.concurrent.atomic.AtomicBoolean; 171import java.util.concurrent.atomic.AtomicLong; 172 173import dalvik.system.DexFile; 174import dalvik.system.StaleDexCacheError; 175import dalvik.system.VMRuntime; 176import libcore.io.IoUtils; 177 178/** 179 * Keep track of all those .apks everywhere. 180 * 181 * This is very central to the platform's security; please run the unit 182 * tests whenever making modifications here: 183 * 184mmm frameworks/base/tests/AndroidTests 185adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 186adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 187 * 188 * {@hide} 189 */ 190public class PackageManagerService extends IPackageManager.Stub { 191 static final String TAG = "PackageManager"; 192 static final boolean DEBUG_SETTINGS = false; 193 static final boolean DEBUG_PREFERRED = false; 194 static final boolean DEBUG_UPGRADE = false; 195 private static final boolean DEBUG_INSTALL = false; 196 private static final boolean DEBUG_REMOVE = false; 197 private static final boolean DEBUG_BROADCASTS = false; 198 private static final boolean DEBUG_SHOW_INFO = false; 199 private static final boolean DEBUG_PACKAGE_INFO = false; 200 private static final boolean DEBUG_INTENT_MATCHING = false; 201 private static final boolean DEBUG_PACKAGE_SCANNING = false; 202 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 203 private static final boolean DEBUG_VERIFY = false; 204 private static final boolean DEBUG_DEXOPT = false; 205 206 private static final int RADIO_UID = Process.PHONE_UID; 207 private static final int LOG_UID = Process.LOG_UID; 208 private static final int NFC_UID = Process.NFC_UID; 209 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 210 private static final int SHELL_UID = Process.SHELL_UID; 211 212 private static final boolean GET_CERTIFICATES = true; 213 214 private static final int REMOVE_EVENTS = 215 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 216 private static final int ADD_EVENTS = 217 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 218 219 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 220 // Suffix used during package installation when copying/moving 221 // package apks to install directory. 222 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 223 224 static final int SCAN_MONITOR = 1<<0; 225 static final int SCAN_NO_DEX = 1<<1; 226 static final int SCAN_FORCE_DEX = 1<<2; 227 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 228 static final int SCAN_NEW_INSTALL = 1<<4; 229 static final int SCAN_NO_PATHS = 1<<5; 230 static final int SCAN_UPDATE_TIME = 1<<6; 231 static final int SCAN_DEFER_DEX = 1<<7; 232 static final int SCAN_BOOTING = 1<<8; 233 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 234 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 235 236 static final int REMOVE_CHATTY = 1<<16; 237 238 /** 239 * Timeout (in milliseconds) after which the watchdog should declare that 240 * our handler thread is wedged. The usual default for such things is one 241 * minute but we sometimes do very lengthy I/O operations on this thread, 242 * such as installing multi-gigabyte applications, so ours needs to be longer. 243 */ 244 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 245 246 /** 247 * Whether verification is enabled by default. 248 */ 249 private static final boolean DEFAULT_VERIFY_ENABLE = true; 250 251 /** 252 * The default maximum time to wait for the verification agent to return in 253 * milliseconds. 254 */ 255 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 256 257 /** 258 * The default response for package verification timeout. 259 * 260 * This can be either PackageManager.VERIFICATION_ALLOW or 261 * PackageManager.VERIFICATION_REJECT. 262 */ 263 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 264 265 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 266 267 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 268 DEFAULT_CONTAINER_PACKAGE, 269 "com.android.defcontainer.DefaultContainerService"); 270 271 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 272 273 private static final String LIB_DIR_NAME = "lib"; 274 private static final String LIB64_DIR_NAME = "lib64"; 275 276 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 277 278 static final String mTempContainerPrefix = "smdl2tmp"; 279 280 final ServiceThread mHandlerThread; 281 282 private static String sPreferredInstructionSet; 283 284 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 285 private static final String IDMAP_SUFFIX = "@idmap"; 286 287 final PackageHandler mHandler; 288 289 final int mSdkVersion = Build.VERSION.SDK_INT; 290 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 291 ? null : Build.VERSION.CODENAME; 292 293 final Context mContext; 294 final boolean mFactoryTest; 295 final boolean mOnlyCore; 296 final DisplayMetrics mMetrics; 297 final int mDefParseFlags; 298 final String[] mSeparateProcesses; 299 300 // This is where all application persistent data goes. 301 final File mAppDataDir; 302 303 // This is where all application persistent data goes for secondary users. 304 final File mUserAppDataDir; 305 306 /** The location for ASEC container files on internal storage. */ 307 final String mAsecInternalPath; 308 309 // This is the object monitoring the framework dir. 310 final FileObserver mFrameworkInstallObserver; 311 312 // This is the object monitoring the system app dir. 313 final FileObserver mSystemInstallObserver; 314 315 // This is the object monitoring the privileged system app dir. 316 final FileObserver mPrivilegedInstallObserver; 317 318 // This is the object monitoring the system app dir. 319 final FileObserver mVendorInstallObserver; 320 321 // This is the object monitoring the vendor overlay package dir. 322 final FileObserver mVendorOverlayInstallObserver; 323 324 // This is the object monitoring mAppInstallDir. 325 final FileObserver mAppInstallObserver; 326 327 // This is the object monitoring mDrmAppPrivateInstallDir. 328 final FileObserver mDrmAppInstallObserver; 329 330 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 331 // LOCK HELD. Can be called with mInstallLock held. 332 final Installer mInstaller; 333 334 final File mAppInstallDir; 335 336 /** 337 * Directory to which applications installed internally have native 338 * libraries copied. 339 */ 340 private File mAppLibInstallDir; 341 342 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 343 // apps. 344 final File mDrmAppPrivateInstallDir; 345 346 // ---------------------------------------------------------------- 347 348 // Lock for state used when installing and doing other long running 349 // operations. Methods that must be called with this lock held have 350 // the prefix "LI". 351 final Object mInstallLock = new Object(); 352 353 // These are the directories in the 3rd party applications installed dir 354 // that we have currently loaded packages from. Keys are the application's 355 // installed zip file (absolute codePath), and values are Package. 356 final HashMap<String, PackageParser.Package> mAppDirs = 357 new HashMap<String, PackageParser.Package>(); 358 359 // Information for the parser to write more useful error messages. 360 int mLastScanError; 361 362 // ---------------------------------------------------------------- 363 364 // Keys are String (package name), values are Package. This also serves 365 // as the lock for the global state. Methods that must be called with 366 // this lock held have the prefix "LP". 367 final HashMap<String, PackageParser.Package> mPackages = 368 new HashMap<String, PackageParser.Package>(); 369 370 // Tracks available target package names -> overlay package paths. 371 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 372 new HashMap<String, HashMap<String, PackageParser.Package>>(); 373 374 final Settings mSettings; 375 boolean mRestoredSettings; 376 377 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 378 int[] mGlobalGids; 379 380 // These are the built-in uid -> permission mappings that were read from the 381 // etc/permissions.xml file. 382 final SparseArray<HashSet<String>> mSystemPermissions = 383 new SparseArray<HashSet<String>>(); 384 385 static final class SharedLibraryEntry { 386 final String path; 387 final String apk; 388 389 SharedLibraryEntry(String _path, String _apk) { 390 path = _path; 391 apk = _apk; 392 } 393 } 394 395 // These are the built-in shared libraries that were read from the 396 // etc/permissions.xml file. 397 final HashMap<String, SharedLibraryEntry> mSharedLibraries 398 = new HashMap<String, SharedLibraryEntry>(); 399 400 // Temporary for building the final shared libraries for an .apk. 401 String[] mTmpSharedLibraries = null; 402 403 // These are the features this devices supports that were read from the 404 // etc/permissions.xml file. 405 final HashMap<String, FeatureInfo> mAvailableFeatures = 406 new HashMap<String, FeatureInfo>(); 407 408 // If mac_permissions.xml was found for seinfo labeling. 409 boolean mFoundPolicyFile; 410 411 // If a recursive restorecon of /data/data/<pkg> is needed. 412 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 413 414 // All available activities, for your resolving pleasure. 415 final ActivityIntentResolver mActivities = 416 new ActivityIntentResolver(); 417 418 // All available receivers, for your resolving pleasure. 419 final ActivityIntentResolver mReceivers = 420 new ActivityIntentResolver(); 421 422 // All available services, for your resolving pleasure. 423 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 424 425 // All available providers, for your resolving pleasure. 426 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 427 428 // Mapping from provider base names (first directory in content URI codePath) 429 // to the provider information. 430 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 431 new HashMap<String, PackageParser.Provider>(); 432 433 // Mapping from instrumentation class names to info about them. 434 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 435 new HashMap<ComponentName, PackageParser.Instrumentation>(); 436 437 // Mapping from permission names to info about them. 438 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 439 new HashMap<String, PackageParser.PermissionGroup>(); 440 441 // Packages whose data we have transfered into another package, thus 442 // should no longer exist. 443 final HashSet<String> mTransferedPackages = new HashSet<String>(); 444 445 // Broadcast actions that are only available to the system. 446 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 447 448 /** List of packages waiting for verification. */ 449 final SparseArray<PackageVerificationState> mPendingVerification 450 = new SparseArray<PackageVerificationState>(); 451 452 HashSet<PackageParser.Package> mDeferredDexOpt = null; 453 454 /** Token for keys in mPendingVerification. */ 455 private int mPendingVerificationToken = 0; 456 457 boolean mSystemReady; 458 boolean mSafeMode; 459 boolean mHasSystemUidErrors; 460 461 ApplicationInfo mAndroidApplication; 462 final ActivityInfo mResolveActivity = new ActivityInfo(); 463 final ResolveInfo mResolveInfo = new ResolveInfo(); 464 ComponentName mResolveComponentName; 465 PackageParser.Package mPlatformPackage; 466 ComponentName mCustomResolverComponentName; 467 468 boolean mResolverReplaced = false; 469 470 // Set of pending broadcasts for aggregating enable/disable of components. 471 static class PendingPackageBroadcasts { 472 // for each user id, a map of <package name -> components within that package> 473 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 474 475 public PendingPackageBroadcasts() { 476 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 477 } 478 479 public ArrayList<String> get(int userId, String packageName) { 480 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 481 return packages.get(packageName); 482 } 483 484 public void put(int userId, String packageName, ArrayList<String> components) { 485 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 486 packages.put(packageName, components); 487 } 488 489 public void remove(int userId, String packageName) { 490 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 491 if (packages != null) { 492 packages.remove(packageName); 493 } 494 } 495 496 public void remove(int userId) { 497 mUidMap.remove(userId); 498 } 499 500 public int userIdCount() { 501 return mUidMap.size(); 502 } 503 504 public int userIdAt(int n) { 505 return mUidMap.keyAt(n); 506 } 507 508 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 509 return mUidMap.get(userId); 510 } 511 512 public int size() { 513 // total number of pending broadcast entries across all userIds 514 int num = 0; 515 for (int i = 0; i< mUidMap.size(); i++) { 516 num += mUidMap.valueAt(i).size(); 517 } 518 return num; 519 } 520 521 public void clear() { 522 mUidMap.clear(); 523 } 524 525 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 526 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 527 if (map == null) { 528 map = new HashMap<String, ArrayList<String>>(); 529 mUidMap.put(userId, map); 530 } 531 return map; 532 } 533 } 534 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 535 536 // Service Connection to remote media container service to copy 537 // package uri's from external media onto secure containers 538 // or internal storage. 539 private IMediaContainerService mContainerService = null; 540 541 static final int SEND_PENDING_BROADCAST = 1; 542 static final int MCS_BOUND = 3; 543 static final int END_COPY = 4; 544 static final int INIT_COPY = 5; 545 static final int MCS_UNBIND = 6; 546 static final int START_CLEANING_PACKAGE = 7; 547 static final int FIND_INSTALL_LOC = 8; 548 static final int POST_INSTALL = 9; 549 static final int MCS_RECONNECT = 10; 550 static final int MCS_GIVE_UP = 11; 551 static final int UPDATED_MEDIA_STATUS = 12; 552 static final int WRITE_SETTINGS = 13; 553 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 554 static final int PACKAGE_VERIFIED = 15; 555 static final int CHECK_PENDING_VERIFICATION = 16; 556 557 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 558 559 // Delay time in millisecs 560 static final int BROADCAST_DELAY = 10 * 1000; 561 562 static UserManagerService sUserManager; 563 564 // Stores a list of users whose package restrictions file needs to be updated 565 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 566 567 final private DefaultContainerConnection mDefContainerConn = 568 new DefaultContainerConnection(); 569 class DefaultContainerConnection implements ServiceConnection { 570 public void onServiceConnected(ComponentName name, IBinder service) { 571 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 572 IMediaContainerService imcs = 573 IMediaContainerService.Stub.asInterface(service); 574 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 575 } 576 577 public void onServiceDisconnected(ComponentName name) { 578 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 579 } 580 }; 581 582 // Recordkeeping of restore-after-install operations that are currently in flight 583 // between the Package Manager and the Backup Manager 584 class PostInstallData { 585 public InstallArgs args; 586 public PackageInstalledInfo res; 587 588 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 589 args = _a; 590 res = _r; 591 } 592 }; 593 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 594 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 595 596 private final String mRequiredVerifierPackage; 597 598 private final PackageUsage mPackageUsage = new PackageUsage(); 599 600 private class PackageUsage { 601 private static final int WRITE_INTERVAL 602 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 603 604 private final Object mFileLock = new Object(); 605 private final AtomicLong mLastWritten = new AtomicLong(0); 606 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 607 608 private boolean mIsFirstBoot = false; 609 610 boolean isFirstBoot() { 611 return mIsFirstBoot; 612 } 613 614 void write(boolean force) { 615 if (force) { 616 writeInternal(); 617 return; 618 } 619 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 620 && !DEBUG_DEXOPT) { 621 return; 622 } 623 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 624 new Thread("PackageUsage_DiskWriter") { 625 @Override 626 public void run() { 627 try { 628 writeInternal(); 629 } finally { 630 mBackgroundWriteRunning.set(false); 631 } 632 } 633 }.start(); 634 } 635 } 636 637 private void writeInternal() { 638 synchronized (mPackages) { 639 synchronized (mFileLock) { 640 AtomicFile file = getFile(); 641 FileOutputStream f = null; 642 try { 643 f = file.startWrite(); 644 BufferedOutputStream out = new BufferedOutputStream(f); 645 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 646 StringBuilder sb = new StringBuilder(); 647 for (PackageParser.Package pkg : mPackages.values()) { 648 if (pkg.mLastPackageUsageTimeInMills == 0) { 649 continue; 650 } 651 sb.setLength(0); 652 sb.append(pkg.packageName); 653 sb.append(' '); 654 sb.append((long)pkg.mLastPackageUsageTimeInMills); 655 sb.append('\n'); 656 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 657 } 658 out.flush(); 659 file.finishWrite(f); 660 } catch (IOException e) { 661 if (f != null) { 662 file.failWrite(f); 663 } 664 Log.e(TAG, "Failed to write package usage times", e); 665 } 666 } 667 } 668 mLastWritten.set(SystemClock.elapsedRealtime()); 669 } 670 671 void readLP() { 672 synchronized (mFileLock) { 673 AtomicFile file = getFile(); 674 BufferedInputStream in = null; 675 try { 676 in = new BufferedInputStream(file.openRead()); 677 StringBuffer sb = new StringBuffer(); 678 while (true) { 679 String packageName = readToken(in, sb, ' '); 680 if (packageName == null) { 681 break; 682 } 683 String timeInMillisString = readToken(in, sb, '\n'); 684 if (timeInMillisString == null) { 685 throw new IOException("Failed to find last usage time for package " 686 + packageName); 687 } 688 PackageParser.Package pkg = mPackages.get(packageName); 689 if (pkg == null) { 690 continue; 691 } 692 long timeInMillis; 693 try { 694 timeInMillis = Long.parseLong(timeInMillisString.toString()); 695 } catch (NumberFormatException e) { 696 throw new IOException("Failed to parse " + timeInMillisString 697 + " as a long.", e); 698 } 699 pkg.mLastPackageUsageTimeInMills = timeInMillis; 700 } 701 } catch (FileNotFoundException expected) { 702 mIsFirstBoot = true; 703 } catch (IOException e) { 704 Log.w(TAG, "Failed to read package usage times", e); 705 } finally { 706 IoUtils.closeQuietly(in); 707 } 708 } 709 mLastWritten.set(SystemClock.elapsedRealtime()); 710 } 711 712 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 713 throws IOException { 714 sb.setLength(0); 715 while (true) { 716 int ch = in.read(); 717 if (ch == -1) { 718 if (sb.length() == 0) { 719 return null; 720 } 721 throw new IOException("Unexpected EOF"); 722 } 723 if (ch == endOfToken) { 724 return sb.toString(); 725 } 726 sb.append((char)ch); 727 } 728 } 729 730 private AtomicFile getFile() { 731 File dataDir = Environment.getDataDirectory(); 732 File systemDir = new File(dataDir, "system"); 733 File fname = new File(systemDir, "package-usage.list"); 734 return new AtomicFile(fname); 735 } 736 } 737 738 class PackageHandler extends Handler { 739 private boolean mBound = false; 740 final ArrayList<HandlerParams> mPendingInstalls = 741 new ArrayList<HandlerParams>(); 742 743 private boolean connectToService() { 744 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 745 " DefaultContainerService"); 746 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 747 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 748 if (mContext.bindServiceAsUser(service, mDefContainerConn, 749 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 750 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 751 mBound = true; 752 return true; 753 } 754 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 755 return false; 756 } 757 758 private void disconnectService() { 759 mContainerService = null; 760 mBound = false; 761 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 762 mContext.unbindService(mDefContainerConn); 763 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 764 } 765 766 PackageHandler(Looper looper) { 767 super(looper); 768 } 769 770 public void handleMessage(Message msg) { 771 try { 772 doHandleMessage(msg); 773 } finally { 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 } 776 } 777 778 void doHandleMessage(Message msg) { 779 switch (msg.what) { 780 case INIT_COPY: { 781 HandlerParams params = (HandlerParams) msg.obj; 782 int idx = mPendingInstalls.size(); 783 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 784 // If a bind was already initiated we dont really 785 // need to do anything. The pending install 786 // will be processed later on. 787 if (!mBound) { 788 // If this is the only one pending we might 789 // have to bind to the service again. 790 if (!connectToService()) { 791 Slog.e(TAG, "Failed to bind to media container service"); 792 params.serviceError(); 793 return; 794 } else { 795 // Once we bind to the service, the first 796 // pending request will be processed. 797 mPendingInstalls.add(idx, params); 798 } 799 } else { 800 mPendingInstalls.add(idx, params); 801 // Already bound to the service. Just make 802 // sure we trigger off processing the first request. 803 if (idx == 0) { 804 mHandler.sendEmptyMessage(MCS_BOUND); 805 } 806 } 807 break; 808 } 809 case MCS_BOUND: { 810 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 811 if (msg.obj != null) { 812 mContainerService = (IMediaContainerService) msg.obj; 813 } 814 if (mContainerService == null) { 815 // Something seriously wrong. Bail out 816 Slog.e(TAG, "Cannot bind to media container service"); 817 for (HandlerParams params : mPendingInstalls) { 818 // Indicate service bind error 819 params.serviceError(); 820 } 821 mPendingInstalls.clear(); 822 } else if (mPendingInstalls.size() > 0) { 823 HandlerParams params = mPendingInstalls.get(0); 824 if (params != null) { 825 if (params.startCopy()) { 826 // We are done... look for more work or to 827 // go idle. 828 if (DEBUG_SD_INSTALL) Log.i(TAG, 829 "Checking for more work or unbind..."); 830 // Delete pending install 831 if (mPendingInstalls.size() > 0) { 832 mPendingInstalls.remove(0); 833 } 834 if (mPendingInstalls.size() == 0) { 835 if (mBound) { 836 if (DEBUG_SD_INSTALL) Log.i(TAG, 837 "Posting delayed MCS_UNBIND"); 838 removeMessages(MCS_UNBIND); 839 Message ubmsg = obtainMessage(MCS_UNBIND); 840 // Unbind after a little delay, to avoid 841 // continual thrashing. 842 sendMessageDelayed(ubmsg, 10000); 843 } 844 } else { 845 // There are more pending requests in queue. 846 // Just post MCS_BOUND message to trigger processing 847 // of next pending install. 848 if (DEBUG_SD_INSTALL) Log.i(TAG, 849 "Posting MCS_BOUND for next woek"); 850 mHandler.sendEmptyMessage(MCS_BOUND); 851 } 852 } 853 } 854 } else { 855 // Should never happen ideally. 856 Slog.w(TAG, "Empty queue"); 857 } 858 break; 859 } 860 case MCS_RECONNECT: { 861 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 862 if (mPendingInstalls.size() > 0) { 863 if (mBound) { 864 disconnectService(); 865 } 866 if (!connectToService()) { 867 Slog.e(TAG, "Failed to bind to media container service"); 868 for (HandlerParams params : mPendingInstalls) { 869 // Indicate service bind error 870 params.serviceError(); 871 } 872 mPendingInstalls.clear(); 873 } 874 } 875 break; 876 } 877 case MCS_UNBIND: { 878 // If there is no actual work left, then time to unbind. 879 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 880 881 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 882 if (mBound) { 883 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 884 885 disconnectService(); 886 } 887 } else if (mPendingInstalls.size() > 0) { 888 // There are more pending requests in queue. 889 // Just post MCS_BOUND message to trigger processing 890 // of next pending install. 891 mHandler.sendEmptyMessage(MCS_BOUND); 892 } 893 894 break; 895 } 896 case MCS_GIVE_UP: { 897 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 898 mPendingInstalls.remove(0); 899 break; 900 } 901 case SEND_PENDING_BROADCAST: { 902 String packages[]; 903 ArrayList<String> components[]; 904 int size = 0; 905 int uids[]; 906 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 907 synchronized (mPackages) { 908 if (mPendingBroadcasts == null) { 909 return; 910 } 911 size = mPendingBroadcasts.size(); 912 if (size <= 0) { 913 // Nothing to be done. Just return 914 return; 915 } 916 packages = new String[size]; 917 components = new ArrayList[size]; 918 uids = new int[size]; 919 int i = 0; // filling out the above arrays 920 921 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 922 int packageUserId = mPendingBroadcasts.userIdAt(n); 923 Iterator<Map.Entry<String, ArrayList<String>>> it 924 = mPendingBroadcasts.packagesForUserId(packageUserId) 925 .entrySet().iterator(); 926 while (it.hasNext() && i < size) { 927 Map.Entry<String, ArrayList<String>> ent = it.next(); 928 packages[i] = ent.getKey(); 929 components[i] = ent.getValue(); 930 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 931 uids[i] = (ps != null) 932 ? UserHandle.getUid(packageUserId, ps.appId) 933 : -1; 934 i++; 935 } 936 } 937 size = i; 938 mPendingBroadcasts.clear(); 939 } 940 // Send broadcasts 941 for (int i = 0; i < size; i++) { 942 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 943 } 944 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 945 break; 946 } 947 case START_CLEANING_PACKAGE: { 948 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 949 final String packageName = (String)msg.obj; 950 final int userId = msg.arg1; 951 final boolean andCode = msg.arg2 != 0; 952 synchronized (mPackages) { 953 if (userId == UserHandle.USER_ALL) { 954 int[] users = sUserManager.getUserIds(); 955 for (int user : users) { 956 mSettings.addPackageToCleanLPw( 957 new PackageCleanItem(user, packageName, andCode)); 958 } 959 } else { 960 mSettings.addPackageToCleanLPw( 961 new PackageCleanItem(userId, packageName, andCode)); 962 } 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 startCleaningPackages(); 966 } break; 967 case POST_INSTALL: { 968 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 969 PostInstallData data = mRunningInstalls.get(msg.arg1); 970 mRunningInstalls.delete(msg.arg1); 971 boolean deleteOld = false; 972 973 if (data != null) { 974 InstallArgs args = data.args; 975 PackageInstalledInfo res = data.res; 976 977 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 978 res.removedInfo.sendBroadcast(false, true, false); 979 Bundle extras = new Bundle(1); 980 extras.putInt(Intent.EXTRA_UID, res.uid); 981 // Determine the set of users who are adding this 982 // package for the first time vs. those who are seeing 983 // an update. 984 int[] firstUsers; 985 int[] updateUsers = new int[0]; 986 if (res.origUsers == null || res.origUsers.length == 0) { 987 firstUsers = res.newUsers; 988 } else { 989 firstUsers = new int[0]; 990 for (int i=0; i<res.newUsers.length; i++) { 991 int user = res.newUsers[i]; 992 boolean isNew = true; 993 for (int j=0; j<res.origUsers.length; j++) { 994 if (res.origUsers[j] == user) { 995 isNew = false; 996 break; 997 } 998 } 999 if (isNew) { 1000 int[] newFirst = new int[firstUsers.length+1]; 1001 System.arraycopy(firstUsers, 0, newFirst, 0, 1002 firstUsers.length); 1003 newFirst[firstUsers.length] = user; 1004 firstUsers = newFirst; 1005 } else { 1006 int[] newUpdate = new int[updateUsers.length+1]; 1007 System.arraycopy(updateUsers, 0, newUpdate, 0, 1008 updateUsers.length); 1009 newUpdate[updateUsers.length] = user; 1010 updateUsers = newUpdate; 1011 } 1012 } 1013 } 1014 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1015 res.pkg.applicationInfo.packageName, 1016 extras, null, null, firstUsers); 1017 final boolean update = res.removedInfo.removedPackage != null; 1018 if (update) { 1019 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1020 } 1021 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1022 res.pkg.applicationInfo.packageName, 1023 extras, null, null, updateUsers); 1024 if (update) { 1025 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1026 res.pkg.applicationInfo.packageName, 1027 extras, null, null, updateUsers); 1028 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1029 null, null, 1030 res.pkg.applicationInfo.packageName, null, updateUsers); 1031 1032 // treat asec-hosted packages like removable media on upgrade 1033 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1034 if (DEBUG_INSTALL) { 1035 Slog.i(TAG, "upgrading pkg " + res.pkg 1036 + " is ASEC-hosted -> AVAILABLE"); 1037 } 1038 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1039 ArrayList<String> pkgList = new ArrayList<String>(1); 1040 pkgList.add(res.pkg.applicationInfo.packageName); 1041 sendResourcesChangedBroadcast(true, true, 1042 pkgList,uidArray, null); 1043 } 1044 } 1045 if (res.removedInfo.args != null) { 1046 // Remove the replaced package's older resources safely now 1047 deleteOld = true; 1048 } 1049 1050 // Log current value of "unknown sources" setting 1051 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1052 getUnknownSourcesSettings()); 1053 } 1054 // Force a gc to clear up things 1055 Runtime.getRuntime().gc(); 1056 // We delete after a gc for applications on sdcard. 1057 if (deleteOld) { 1058 synchronized (mInstallLock) { 1059 res.removedInfo.args.doPostDeleteLI(true); 1060 } 1061 } 1062 if (args.observer != null) { 1063 try { 1064 args.observer.packageInstalled(res.name, res.returnCode); 1065 } catch (RemoteException e) { 1066 Slog.i(TAG, "Observer no longer exists."); 1067 } 1068 } 1069 } else { 1070 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1071 } 1072 } break; 1073 case UPDATED_MEDIA_STATUS: { 1074 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1075 boolean reportStatus = msg.arg1 == 1; 1076 boolean doGc = msg.arg2 == 1; 1077 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1078 if (doGc) { 1079 // Force a gc to clear up stale containers. 1080 Runtime.getRuntime().gc(); 1081 } 1082 if (msg.obj != null) { 1083 @SuppressWarnings("unchecked") 1084 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1085 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1086 // Unload containers 1087 unloadAllContainers(args); 1088 } 1089 if (reportStatus) { 1090 try { 1091 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1092 PackageHelper.getMountService().finishMediaUpdate(); 1093 } catch (RemoteException e) { 1094 Log.e(TAG, "MountService not running?"); 1095 } 1096 } 1097 } break; 1098 case WRITE_SETTINGS: { 1099 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1100 synchronized (mPackages) { 1101 removeMessages(WRITE_SETTINGS); 1102 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1103 mSettings.writeLPr(); 1104 mDirtyUsers.clear(); 1105 } 1106 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1107 } break; 1108 case WRITE_PACKAGE_RESTRICTIONS: { 1109 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1110 synchronized (mPackages) { 1111 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1112 for (int userId : mDirtyUsers) { 1113 mSettings.writePackageRestrictionsLPr(userId); 1114 } 1115 mDirtyUsers.clear(); 1116 } 1117 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1118 } break; 1119 case CHECK_PENDING_VERIFICATION: { 1120 final int verificationId = msg.arg1; 1121 final PackageVerificationState state = mPendingVerification.get(verificationId); 1122 1123 if ((state != null) && !state.timeoutExtended()) { 1124 final InstallArgs args = state.getInstallArgs(); 1125 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1126 mPendingVerification.remove(verificationId); 1127 1128 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1129 1130 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1131 Slog.i(TAG, "Continuing with installation of " 1132 + args.packageURI.toString()); 1133 state.setVerifierResponse(Binder.getCallingUid(), 1134 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1135 broadcastPackageVerified(verificationId, args.packageURI, 1136 PackageManager.VERIFICATION_ALLOW, 1137 state.getInstallArgs().getUser()); 1138 try { 1139 ret = args.copyApk(mContainerService, true); 1140 } catch (RemoteException e) { 1141 Slog.e(TAG, "Could not contact the ContainerService"); 1142 } 1143 } else { 1144 broadcastPackageVerified(verificationId, args.packageURI, 1145 PackageManager.VERIFICATION_REJECT, 1146 state.getInstallArgs().getUser()); 1147 } 1148 1149 processPendingInstall(args, ret); 1150 mHandler.sendEmptyMessage(MCS_UNBIND); 1151 } 1152 break; 1153 } 1154 case PACKAGE_VERIFIED: { 1155 final int verificationId = msg.arg1; 1156 1157 final PackageVerificationState state = mPendingVerification.get(verificationId); 1158 if (state == null) { 1159 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1160 break; 1161 } 1162 1163 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1164 1165 state.setVerifierResponse(response.callerUid, response.code); 1166 1167 if (state.isVerificationComplete()) { 1168 mPendingVerification.remove(verificationId); 1169 1170 final InstallArgs args = state.getInstallArgs(); 1171 1172 int ret; 1173 if (state.isInstallAllowed()) { 1174 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1175 broadcastPackageVerified(verificationId, args.packageURI, 1176 response.code, state.getInstallArgs().getUser()); 1177 try { 1178 ret = args.copyApk(mContainerService, true); 1179 } catch (RemoteException e) { 1180 Slog.e(TAG, "Could not contact the ContainerService"); 1181 } 1182 } else { 1183 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1184 } 1185 1186 processPendingInstall(args, ret); 1187 1188 mHandler.sendEmptyMessage(MCS_UNBIND); 1189 } 1190 1191 break; 1192 } 1193 } 1194 } 1195 } 1196 1197 void scheduleWriteSettingsLocked() { 1198 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1199 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1200 } 1201 } 1202 1203 void scheduleWritePackageRestrictionsLocked(int userId) { 1204 if (!sUserManager.exists(userId)) return; 1205 mDirtyUsers.add(userId); 1206 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1207 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1208 } 1209 } 1210 1211 public static final IPackageManager main(Context context, Installer installer, 1212 boolean factoryTest, boolean onlyCore) { 1213 PackageManagerService m = new PackageManagerService(context, installer, 1214 factoryTest, onlyCore); 1215 ServiceManager.addService("package", m); 1216 return m; 1217 } 1218 1219 static String[] splitString(String str, char sep) { 1220 int count = 1; 1221 int i = 0; 1222 while ((i=str.indexOf(sep, i)) >= 0) { 1223 count++; 1224 i++; 1225 } 1226 1227 String[] res = new String[count]; 1228 i=0; 1229 count = 0; 1230 int lastI=0; 1231 while ((i=str.indexOf(sep, i)) >= 0) { 1232 res[count] = str.substring(lastI, i); 1233 count++; 1234 i++; 1235 lastI = i; 1236 } 1237 res[count] = str.substring(lastI, str.length()); 1238 return res; 1239 } 1240 1241 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1242 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1243 Context.DISPLAY_SERVICE); 1244 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1245 } 1246 1247 public PackageManagerService(Context context, Installer installer, 1248 boolean factoryTest, boolean onlyCore) { 1249 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1250 SystemClock.uptimeMillis()); 1251 1252 if (mSdkVersion <= 0) { 1253 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1254 } 1255 1256 mContext = context; 1257 mFactoryTest = factoryTest; 1258 mOnlyCore = onlyCore; 1259 mMetrics = new DisplayMetrics(); 1260 mSettings = new Settings(context); 1261 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1262 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1263 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1264 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1265 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1266 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1267 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1268 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1269 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1270 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1271 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1272 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1273 1274 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1275 if (separateProcesses != null && separateProcesses.length() > 0) { 1276 if ("*".equals(separateProcesses)) { 1277 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1278 mSeparateProcesses = null; 1279 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1280 } else { 1281 mDefParseFlags = 0; 1282 mSeparateProcesses = separateProcesses.split(","); 1283 Slog.w(TAG, "Running with debug.separate_processes: " 1284 + separateProcesses); 1285 } 1286 } else { 1287 mDefParseFlags = 0; 1288 mSeparateProcesses = null; 1289 } 1290 1291 mInstaller = installer; 1292 1293 getDefaultDisplayMetrics(context, mMetrics); 1294 1295 synchronized (mInstallLock) { 1296 // writer 1297 synchronized (mPackages) { 1298 mHandlerThread = new ServiceThread(TAG, 1299 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1300 mHandlerThread.start(); 1301 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1302 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1303 1304 File dataDir = Environment.getDataDirectory(); 1305 mAppDataDir = new File(dataDir, "data"); 1306 mAppInstallDir = new File(dataDir, "app"); 1307 mAppLibInstallDir = new File(dataDir, "app-lib"); 1308 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1309 mUserAppDataDir = new File(dataDir, "user"); 1310 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1311 1312 sUserManager = new UserManagerService(context, this, 1313 mInstallLock, mPackages); 1314 1315 readPermissions(); 1316 1317 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1318 1319 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1320 mSdkVersion, mOnlyCore); 1321 1322 String customResolverActivity = Resources.getSystem().getString( 1323 R.string.config_customResolverActivity); 1324 if (TextUtils.isEmpty(customResolverActivity)) { 1325 customResolverActivity = null; 1326 } else { 1327 mCustomResolverComponentName = ComponentName.unflattenFromString( 1328 customResolverActivity); 1329 } 1330 1331 long startTime = SystemClock.uptimeMillis(); 1332 1333 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1334 startTime); 1335 1336 // Set flag to monitor and not change apk file paths when 1337 // scanning install directories. 1338 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1339 1340 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1341 1342 /** 1343 * Add everything in the in the boot class path to the 1344 * list of process files because dexopt will have been run 1345 * if necessary during zygote startup. 1346 */ 1347 String bootClassPath = System.getProperty("java.boot.class.path"); 1348 if (bootClassPath != null) { 1349 String[] paths = splitString(bootClassPath, ':'); 1350 for (int i=0; i<paths.length; i++) { 1351 alreadyDexOpted.add(paths[i]); 1352 } 1353 } else { 1354 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1355 } 1356 1357 boolean didDexOptLibraryOrTool = false; 1358 1359 final List<String> instructionSets = getAllInstructionSets(); 1360 1361 /** 1362 * Ensure all external libraries have had dexopt run on them. 1363 */ 1364 if (mSharedLibraries.size() > 0) { 1365 // NOTE: For now, we're compiling these system "shared libraries" 1366 // (and framework jars) into all available architectures. It's possible 1367 // to compile them only when we come across an app that uses them (there's 1368 // already logic for that in scanPackageLI) but that adds some complexity. 1369 for (String instructionSet : instructionSets) { 1370 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1371 final String lib = libEntry.path; 1372 if (lib == null) { 1373 continue; 1374 } 1375 1376 try { 1377 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1378 alreadyDexOpted.add(lib); 1379 1380 // The list of "shared libraries" we have at this point is 1381 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1382 didDexOptLibraryOrTool = true; 1383 } 1384 } catch (FileNotFoundException e) { 1385 Slog.w(TAG, "Library not found: " + lib); 1386 } catch (IOException e) { 1387 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1388 + e.getMessage()); 1389 } 1390 } 1391 } 1392 } 1393 1394 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1395 1396 // Gross hack for now: we know this file doesn't contain any 1397 // code, so don't dexopt it to avoid the resulting log spew. 1398 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1399 1400 // Gross hack for now: we know this file is only part of 1401 // the boot class path for art, so don't dexopt it to 1402 // avoid the resulting log spew. 1403 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1404 1405 /** 1406 * And there are a number of commands implemented in Java, which 1407 * we currently need to do the dexopt on so that they can be 1408 * run from a non-root shell. 1409 */ 1410 String[] frameworkFiles = frameworkDir.list(); 1411 if (frameworkFiles != null) { 1412 // TODO: We could compile these only for the most preferred ABI. We should 1413 // first double check that the dex files for these commands are not referenced 1414 // by other system apps. 1415 for (String instructionSet : instructionSets) { 1416 for (int i=0; i<frameworkFiles.length; i++) { 1417 File libPath = new File(frameworkDir, frameworkFiles[i]); 1418 String path = libPath.getPath(); 1419 // Skip the file if we already did it. 1420 if (alreadyDexOpted.contains(path)) { 1421 continue; 1422 } 1423 // Skip the file if it is not a type we want to dexopt. 1424 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1425 continue; 1426 } 1427 try { 1428 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1429 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1430 didDexOptLibraryOrTool = true; 1431 } 1432 } catch (FileNotFoundException e) { 1433 Slog.w(TAG, "Jar not found: " + path); 1434 } catch (IOException e) { 1435 Slog.w(TAG, "Exception reading jar: " + path, e); 1436 } 1437 } 1438 } 1439 } 1440 1441 if (didDexOptLibraryOrTool) { 1442 // If we dexopted a library or tool, then something on the system has 1443 // changed. Consider this significant, and wipe away all other 1444 // existing dexopt files to ensure we don't leave any dangling around. 1445 // 1446 // Additionally, delete all dex files from the root directory 1447 // since there shouldn't be any there anyway. 1448 // 1449 // TODO: This should be revisited because it isn't as good an indicator 1450 // as it used to be. It used to include the boot classpath but at some point 1451 // DexFile.isDexOptNeeded started returning false for the boot 1452 // class path files in all cases. It is very possible in a 1453 // small maintenance release update that the library and tool 1454 // jars may be unchanged but APK could be removed resulting in 1455 // unused dalvik-cache files. 1456 mInstaller.pruneDexCache(); 1457 } 1458 1459 // Collect vendor overlay packages. 1460 // (Do this before scanning any apps.) 1461 // For security and version matching reason, only consider 1462 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1463 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1464 mVendorOverlayInstallObserver = new AppDirObserver( 1465 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1466 mVendorOverlayInstallObserver.startWatching(); 1467 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1468 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1469 1470 // Find base frameworks (resource packages without code). 1471 mFrameworkInstallObserver = new AppDirObserver( 1472 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1473 mFrameworkInstallObserver.startWatching(); 1474 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1475 | PackageParser.PARSE_IS_SYSTEM_DIR 1476 | PackageParser.PARSE_IS_PRIVILEGED, 1477 scanMode | SCAN_NO_DEX, 0); 1478 1479 // Collected privileged system packages. 1480 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1481 mPrivilegedInstallObserver = new AppDirObserver( 1482 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1483 mPrivilegedInstallObserver.startWatching(); 1484 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1485 | PackageParser.PARSE_IS_SYSTEM_DIR 1486 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1487 1488 // Collect ordinary system packages. 1489 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1490 mSystemInstallObserver = new AppDirObserver( 1491 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1492 mSystemInstallObserver.startWatching(); 1493 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1494 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1495 1496 // Collect all vendor packages. 1497 File vendorAppDir = new File("/vendor/app"); 1498 try { 1499 vendorAppDir = vendorAppDir.getCanonicalFile(); 1500 } catch (IOException e) { 1501 // failed to look up canonical path, continue with original one 1502 } 1503 mVendorInstallObserver = new AppDirObserver( 1504 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1505 mVendorInstallObserver.startWatching(); 1506 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1507 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1508 1509 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1510 mInstaller.moveFiles(); 1511 1512 // Prune any system packages that no longer exist. 1513 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1514 if (!mOnlyCore) { 1515 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1516 while (psit.hasNext()) { 1517 PackageSetting ps = psit.next(); 1518 1519 /* 1520 * If this is not a system app, it can't be a 1521 * disable system app. 1522 */ 1523 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1524 continue; 1525 } 1526 1527 /* 1528 * If the package is scanned, it's not erased. 1529 */ 1530 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1531 if (scannedPkg != null) { 1532 /* 1533 * If the system app is both scanned and in the 1534 * disabled packages list, then it must have been 1535 * added via OTA. Remove it from the currently 1536 * scanned package so the previously user-installed 1537 * application can be scanned. 1538 */ 1539 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1540 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1541 + "; removing system app"); 1542 removePackageLI(ps, true); 1543 } 1544 1545 continue; 1546 } 1547 1548 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1549 psit.remove(); 1550 String msg = "System package " + ps.name 1551 + " no longer exists; wiping its data"; 1552 reportSettingsProblem(Log.WARN, msg); 1553 removeDataDirsLI(ps.name); 1554 } else { 1555 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1556 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1557 possiblyDeletedUpdatedSystemApps.add(ps.name); 1558 } 1559 } 1560 } 1561 } 1562 1563 //look for any incomplete package installations 1564 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1565 //clean up list 1566 for(int i = 0; i < deletePkgsList.size(); i++) { 1567 //clean up here 1568 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1569 } 1570 //delete tmp files 1571 deleteTempPackageFiles(); 1572 1573 // Remove any shared userIDs that have no associated packages 1574 mSettings.pruneSharedUsersLPw(); 1575 1576 if (!mOnlyCore) { 1577 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1578 SystemClock.uptimeMillis()); 1579 mAppInstallObserver = new AppDirObserver( 1580 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1581 mAppInstallObserver.startWatching(); 1582 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1583 1584 mDrmAppInstallObserver = new AppDirObserver( 1585 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1586 mDrmAppInstallObserver.startWatching(); 1587 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1588 scanMode, 0); 1589 1590 /** 1591 * Remove disable package settings for any updated system 1592 * apps that were removed via an OTA. If they're not a 1593 * previously-updated app, remove them completely. 1594 * Otherwise, just revoke their system-level permissions. 1595 */ 1596 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1597 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1598 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1599 1600 String msg; 1601 if (deletedPkg == null) { 1602 msg = "Updated system package " + deletedAppName 1603 + " no longer exists; wiping its data"; 1604 removeDataDirsLI(deletedAppName); 1605 } else { 1606 msg = "Updated system app + " + deletedAppName 1607 + " no longer present; removing system privileges for " 1608 + deletedAppName; 1609 1610 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1611 1612 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1613 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1614 } 1615 reportSettingsProblem(Log.WARN, msg); 1616 } 1617 } else { 1618 mAppInstallObserver = null; 1619 mDrmAppInstallObserver = null; 1620 } 1621 1622 // Now that we know all of the shared libraries, update all clients to have 1623 // the correct library paths. 1624 updateAllSharedLibrariesLPw(); 1625 1626 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1627 // NOTE: We ignore potential failures here during a system scan (like 1628 // the rest of the commands above) because there's precious little we 1629 // can do about it. A settings error is reported, though. 1630 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1631 false /* force dexopt */, false /* defer dexopt */); 1632 } 1633 1634 // Now that we know all the packages we are keeping, 1635 // read and update their last usage times. 1636 mPackageUsage.readLP(); 1637 1638 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1639 SystemClock.uptimeMillis()); 1640 Slog.i(TAG, "Time to scan packages: " 1641 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1642 + " seconds"); 1643 1644 // If the platform SDK has changed since the last time we booted, 1645 // we need to re-grant app permission to catch any new ones that 1646 // appear. This is really a hack, and means that apps can in some 1647 // cases get permissions that the user didn't initially explicitly 1648 // allow... it would be nice to have some better way to handle 1649 // this situation. 1650 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1651 != mSdkVersion; 1652 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1653 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1654 + "; regranting permissions for internal storage"); 1655 mSettings.mInternalSdkPlatform = mSdkVersion; 1656 1657 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1658 | (regrantPermissions 1659 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1660 : 0)); 1661 1662 // If this is the first boot, and it is a normal boot, then 1663 // we need to initialize the default preferred apps. 1664 if (!mRestoredSettings && !onlyCore) { 1665 mSettings.readDefaultPreferredAppsLPw(this, 0); 1666 } 1667 1668 // can downgrade to reader 1669 mSettings.writeLPr(); 1670 1671 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1672 SystemClock.uptimeMillis()); 1673 1674 // Now after opening every single application zip, make sure they 1675 // are all flushed. Not really needed, but keeps things nice and 1676 // tidy. 1677 Runtime.getRuntime().gc(); 1678 1679 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1680 } // synchronized (mPackages) 1681 } // synchronized (mInstallLock) 1682 } 1683 1684 @Override 1685 public boolean isFirstBoot() { 1686 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1687 } 1688 1689 @Override 1690 public boolean isOnlyCoreApps() { 1691 return mOnlyCore; 1692 } 1693 1694 private String getRequiredVerifierLPr() { 1695 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1696 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1697 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1698 1699 String requiredVerifier = null; 1700 1701 final int N = receivers.size(); 1702 for (int i = 0; i < N; i++) { 1703 final ResolveInfo info = receivers.get(i); 1704 1705 if (info.activityInfo == null) { 1706 continue; 1707 } 1708 1709 final String packageName = info.activityInfo.packageName; 1710 1711 final PackageSetting ps = mSettings.mPackages.get(packageName); 1712 if (ps == null) { 1713 continue; 1714 } 1715 1716 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1717 if (!gp.grantedPermissions 1718 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1719 continue; 1720 } 1721 1722 if (requiredVerifier != null) { 1723 throw new RuntimeException("There can be only one required verifier"); 1724 } 1725 1726 requiredVerifier = packageName; 1727 } 1728 1729 return requiredVerifier; 1730 } 1731 1732 @Override 1733 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1734 throws RemoteException { 1735 try { 1736 return super.onTransact(code, data, reply, flags); 1737 } catch (RuntimeException e) { 1738 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1739 Slog.wtf(TAG, "Package Manager Crash", e); 1740 } 1741 throw e; 1742 } 1743 } 1744 1745 void cleanupInstallFailedPackage(PackageSetting ps) { 1746 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1747 removeDataDirsLI(ps.name); 1748 if (ps.codePath != null) { 1749 if (!ps.codePath.delete()) { 1750 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1751 } 1752 } 1753 if (ps.resourcePath != null) { 1754 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1755 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1756 } 1757 } 1758 mSettings.removePackageLPw(ps.name); 1759 } 1760 1761 void readPermissions() { 1762 // Read permissions from .../etc/permission directory. 1763 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1764 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1765 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1766 return; 1767 } 1768 if (!libraryDir.canRead()) { 1769 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1770 return; 1771 } 1772 1773 // Iterate over the files in the directory and scan .xml files 1774 for (File f : libraryDir.listFiles()) { 1775 // We'll read platform.xml last 1776 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1777 continue; 1778 } 1779 1780 if (!f.getPath().endsWith(".xml")) { 1781 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1782 continue; 1783 } 1784 if (!f.canRead()) { 1785 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1786 continue; 1787 } 1788 1789 readPermissionsFromXml(f); 1790 } 1791 1792 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1793 final File permFile = new File(Environment.getRootDirectory(), 1794 "etc/permissions/platform.xml"); 1795 readPermissionsFromXml(permFile); 1796 } 1797 1798 private void readPermissionsFromXml(File permFile) { 1799 FileReader permReader = null; 1800 try { 1801 permReader = new FileReader(permFile); 1802 } catch (FileNotFoundException e) { 1803 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1804 return; 1805 } 1806 1807 try { 1808 XmlPullParser parser = Xml.newPullParser(); 1809 parser.setInput(permReader); 1810 1811 XmlUtils.beginDocument(parser, "permissions"); 1812 1813 while (true) { 1814 XmlUtils.nextElement(parser); 1815 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1816 break; 1817 } 1818 1819 String name = parser.getName(); 1820 if ("group".equals(name)) { 1821 String gidStr = parser.getAttributeValue(null, "gid"); 1822 if (gidStr != null) { 1823 int gid = Process.getGidForName(gidStr); 1824 mGlobalGids = appendInt(mGlobalGids, gid); 1825 } else { 1826 Slog.w(TAG, "<group> without gid at " 1827 + parser.getPositionDescription()); 1828 } 1829 1830 XmlUtils.skipCurrentTag(parser); 1831 continue; 1832 } else if ("permission".equals(name)) { 1833 String perm = parser.getAttributeValue(null, "name"); 1834 if (perm == null) { 1835 Slog.w(TAG, "<permission> without name at " 1836 + parser.getPositionDescription()); 1837 XmlUtils.skipCurrentTag(parser); 1838 continue; 1839 } 1840 perm = perm.intern(); 1841 readPermission(parser, perm); 1842 1843 } else if ("assign-permission".equals(name)) { 1844 String perm = parser.getAttributeValue(null, "name"); 1845 if (perm == null) { 1846 Slog.w(TAG, "<assign-permission> without name at " 1847 + parser.getPositionDescription()); 1848 XmlUtils.skipCurrentTag(parser); 1849 continue; 1850 } 1851 String uidStr = parser.getAttributeValue(null, "uid"); 1852 if (uidStr == null) { 1853 Slog.w(TAG, "<assign-permission> without uid at " 1854 + parser.getPositionDescription()); 1855 XmlUtils.skipCurrentTag(parser); 1856 continue; 1857 } 1858 int uid = Process.getUidForName(uidStr); 1859 if (uid < 0) { 1860 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1861 + uidStr + "\" at " 1862 + parser.getPositionDescription()); 1863 XmlUtils.skipCurrentTag(parser); 1864 continue; 1865 } 1866 perm = perm.intern(); 1867 HashSet<String> perms = mSystemPermissions.get(uid); 1868 if (perms == null) { 1869 perms = new HashSet<String>(); 1870 mSystemPermissions.put(uid, perms); 1871 } 1872 perms.add(perm); 1873 XmlUtils.skipCurrentTag(parser); 1874 1875 } else if ("library".equals(name)) { 1876 String lname = parser.getAttributeValue(null, "name"); 1877 String lfile = parser.getAttributeValue(null, "file"); 1878 if (lname == null) { 1879 Slog.w(TAG, "<library> without name at " 1880 + parser.getPositionDescription()); 1881 } else if (lfile == null) { 1882 Slog.w(TAG, "<library> without file at " 1883 + parser.getPositionDescription()); 1884 } else { 1885 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1886 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1887 } 1888 XmlUtils.skipCurrentTag(parser); 1889 continue; 1890 1891 } else if ("feature".equals(name)) { 1892 String fname = parser.getAttributeValue(null, "name"); 1893 if (fname == null) { 1894 Slog.w(TAG, "<feature> without name at " 1895 + parser.getPositionDescription()); 1896 } else { 1897 //Log.i(TAG, "Got feature " + fname); 1898 FeatureInfo fi = new FeatureInfo(); 1899 fi.name = fname; 1900 mAvailableFeatures.put(fname, fi); 1901 } 1902 XmlUtils.skipCurrentTag(parser); 1903 continue; 1904 1905 } else { 1906 XmlUtils.skipCurrentTag(parser); 1907 continue; 1908 } 1909 1910 } 1911 permReader.close(); 1912 } catch (XmlPullParserException e) { 1913 Slog.w(TAG, "Got execption parsing permissions.", e); 1914 } catch (IOException e) { 1915 Slog.w(TAG, "Got execption parsing permissions.", e); 1916 } 1917 } 1918 1919 void readPermission(XmlPullParser parser, String name) 1920 throws IOException, XmlPullParserException { 1921 1922 name = name.intern(); 1923 1924 BasePermission bp = mSettings.mPermissions.get(name); 1925 if (bp == null) { 1926 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1927 mSettings.mPermissions.put(name, bp); 1928 } 1929 int outerDepth = parser.getDepth(); 1930 int type; 1931 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1932 && (type != XmlPullParser.END_TAG 1933 || parser.getDepth() > outerDepth)) { 1934 if (type == XmlPullParser.END_TAG 1935 || type == XmlPullParser.TEXT) { 1936 continue; 1937 } 1938 1939 String tagName = parser.getName(); 1940 if ("group".equals(tagName)) { 1941 String gidStr = parser.getAttributeValue(null, "gid"); 1942 if (gidStr != null) { 1943 int gid = Process.getGidForName(gidStr); 1944 bp.gids = appendInt(bp.gids, gid); 1945 } else { 1946 Slog.w(TAG, "<group> without gid at " 1947 + parser.getPositionDescription()); 1948 } 1949 } 1950 XmlUtils.skipCurrentTag(parser); 1951 } 1952 } 1953 1954 static int[] appendInts(int[] cur, int[] add) { 1955 if (add == null) return cur; 1956 if (cur == null) return add; 1957 final int N = add.length; 1958 for (int i=0; i<N; i++) { 1959 cur = appendInt(cur, add[i]); 1960 } 1961 return cur; 1962 } 1963 1964 static int[] removeInts(int[] cur, int[] rem) { 1965 if (rem == null) return cur; 1966 if (cur == null) return cur; 1967 final int N = rem.length; 1968 for (int i=0; i<N; i++) { 1969 cur = removeInt(cur, rem[i]); 1970 } 1971 return cur; 1972 } 1973 1974 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1975 if (!sUserManager.exists(userId)) return null; 1976 final PackageSetting ps = (PackageSetting) p.mExtras; 1977 if (ps == null) { 1978 return null; 1979 } 1980 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1981 final PackageUserState state = ps.readUserState(userId); 1982 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1983 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1984 state, userId); 1985 } 1986 1987 @Override 1988 public boolean isPackageAvailable(String packageName, int userId) { 1989 if (!sUserManager.exists(userId)) return false; 1990 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1991 synchronized (mPackages) { 1992 PackageParser.Package p = mPackages.get(packageName); 1993 if (p != null) { 1994 final PackageSetting ps = (PackageSetting) p.mExtras; 1995 if (ps != null) { 1996 final PackageUserState state = ps.readUserState(userId); 1997 if (state != null) { 1998 return PackageParser.isAvailable(state); 1999 } 2000 } 2001 } 2002 } 2003 return false; 2004 } 2005 2006 @Override 2007 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2008 if (!sUserManager.exists(userId)) return null; 2009 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2010 // reader 2011 synchronized (mPackages) { 2012 PackageParser.Package p = mPackages.get(packageName); 2013 if (DEBUG_PACKAGE_INFO) 2014 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2015 if (p != null) { 2016 return generatePackageInfo(p, flags, userId); 2017 } 2018 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2019 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2020 } 2021 } 2022 return null; 2023 } 2024 2025 @Override 2026 public String[] currentToCanonicalPackageNames(String[] names) { 2027 String[] out = new String[names.length]; 2028 // reader 2029 synchronized (mPackages) { 2030 for (int i=names.length-1; i>=0; i--) { 2031 PackageSetting ps = mSettings.mPackages.get(names[i]); 2032 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2033 } 2034 } 2035 return out; 2036 } 2037 2038 @Override 2039 public String[] canonicalToCurrentPackageNames(String[] names) { 2040 String[] out = new String[names.length]; 2041 // reader 2042 synchronized (mPackages) { 2043 for (int i=names.length-1; i>=0; i--) { 2044 String cur = mSettings.mRenamedPackages.get(names[i]); 2045 out[i] = cur != null ? cur : names[i]; 2046 } 2047 } 2048 return out; 2049 } 2050 2051 @Override 2052 public int getPackageUid(String packageName, int userId) { 2053 if (!sUserManager.exists(userId)) return -1; 2054 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2055 // reader 2056 synchronized (mPackages) { 2057 PackageParser.Package p = mPackages.get(packageName); 2058 if(p != null) { 2059 return UserHandle.getUid(userId, p.applicationInfo.uid); 2060 } 2061 PackageSetting ps = mSettings.mPackages.get(packageName); 2062 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2063 return -1; 2064 } 2065 p = ps.pkg; 2066 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2067 } 2068 } 2069 2070 @Override 2071 public int[] getPackageGids(String packageName) { 2072 // reader 2073 synchronized (mPackages) { 2074 PackageParser.Package p = mPackages.get(packageName); 2075 if (DEBUG_PACKAGE_INFO) 2076 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2077 if (p != null) { 2078 final PackageSetting ps = (PackageSetting)p.mExtras; 2079 return ps.getGids(); 2080 } 2081 } 2082 // stupid thing to indicate an error. 2083 return new int[0]; 2084 } 2085 2086 static final PermissionInfo generatePermissionInfo( 2087 BasePermission bp, int flags) { 2088 if (bp.perm != null) { 2089 return PackageParser.generatePermissionInfo(bp.perm, flags); 2090 } 2091 PermissionInfo pi = new PermissionInfo(); 2092 pi.name = bp.name; 2093 pi.packageName = bp.sourcePackage; 2094 pi.nonLocalizedLabel = bp.name; 2095 pi.protectionLevel = bp.protectionLevel; 2096 return pi; 2097 } 2098 2099 @Override 2100 public PermissionInfo getPermissionInfo(String name, int flags) { 2101 // reader 2102 synchronized (mPackages) { 2103 final BasePermission p = mSettings.mPermissions.get(name); 2104 if (p != null) { 2105 return generatePermissionInfo(p, flags); 2106 } 2107 return null; 2108 } 2109 } 2110 2111 @Override 2112 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2113 // reader 2114 synchronized (mPackages) { 2115 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2116 for (BasePermission p : mSettings.mPermissions.values()) { 2117 if (group == null) { 2118 if (p.perm == null || p.perm.info.group == null) { 2119 out.add(generatePermissionInfo(p, flags)); 2120 } 2121 } else { 2122 if (p.perm != null && group.equals(p.perm.info.group)) { 2123 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2124 } 2125 } 2126 } 2127 2128 if (out.size() > 0) { 2129 return out; 2130 } 2131 return mPermissionGroups.containsKey(group) ? out : null; 2132 } 2133 } 2134 2135 @Override 2136 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2137 // reader 2138 synchronized (mPackages) { 2139 return PackageParser.generatePermissionGroupInfo( 2140 mPermissionGroups.get(name), flags); 2141 } 2142 } 2143 2144 @Override 2145 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2146 // reader 2147 synchronized (mPackages) { 2148 final int N = mPermissionGroups.size(); 2149 ArrayList<PermissionGroupInfo> out 2150 = new ArrayList<PermissionGroupInfo>(N); 2151 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2152 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2153 } 2154 return out; 2155 } 2156 } 2157 2158 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2159 int userId) { 2160 if (!sUserManager.exists(userId)) return null; 2161 PackageSetting ps = mSettings.mPackages.get(packageName); 2162 if (ps != null) { 2163 if (ps.pkg == null) { 2164 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2165 flags, userId); 2166 if (pInfo != null) { 2167 return pInfo.applicationInfo; 2168 } 2169 return null; 2170 } 2171 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2172 ps.readUserState(userId), userId); 2173 } 2174 return null; 2175 } 2176 2177 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2178 int userId) { 2179 if (!sUserManager.exists(userId)) return null; 2180 PackageSetting ps = mSettings.mPackages.get(packageName); 2181 if (ps != null) { 2182 PackageParser.Package pkg = ps.pkg; 2183 if (pkg == null) { 2184 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2185 return null; 2186 } 2187 pkg = new PackageParser.Package(packageName); 2188 pkg.applicationInfo.packageName = packageName; 2189 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2190 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2191 pkg.applicationInfo.sourceDir = ps.codePathString; 2192 pkg.applicationInfo.dataDir = 2193 getDataPathForPackage(packageName, 0).getPath(); 2194 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2195 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2196 } 2197 return generatePackageInfo(pkg, flags, userId); 2198 } 2199 return null; 2200 } 2201 2202 @Override 2203 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2204 if (!sUserManager.exists(userId)) return null; 2205 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2206 // writer 2207 synchronized (mPackages) { 2208 PackageParser.Package p = mPackages.get(packageName); 2209 if (DEBUG_PACKAGE_INFO) Log.v( 2210 TAG, "getApplicationInfo " + packageName 2211 + ": " + p); 2212 if (p != null) { 2213 PackageSetting ps = mSettings.mPackages.get(packageName); 2214 if (ps == null) return null; 2215 // Note: isEnabledLP() does not apply here - always return info 2216 return PackageParser.generateApplicationInfo( 2217 p, flags, ps.readUserState(userId), userId); 2218 } 2219 if ("android".equals(packageName)||"system".equals(packageName)) { 2220 return mAndroidApplication; 2221 } 2222 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2223 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2224 } 2225 } 2226 return null; 2227 } 2228 2229 2230 @Override 2231 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2232 mContext.enforceCallingOrSelfPermission( 2233 android.Manifest.permission.CLEAR_APP_CACHE, null); 2234 // Queue up an async operation since clearing cache may take a little while. 2235 mHandler.post(new Runnable() { 2236 public void run() { 2237 mHandler.removeCallbacks(this); 2238 int retCode = -1; 2239 synchronized (mInstallLock) { 2240 retCode = mInstaller.freeCache(freeStorageSize); 2241 if (retCode < 0) { 2242 Slog.w(TAG, "Couldn't clear application caches"); 2243 } 2244 } 2245 if (observer != null) { 2246 try { 2247 observer.onRemoveCompleted(null, (retCode >= 0)); 2248 } catch (RemoteException e) { 2249 Slog.w(TAG, "RemoveException when invoking call back"); 2250 } 2251 } 2252 } 2253 }); 2254 } 2255 2256 @Override 2257 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2258 mContext.enforceCallingOrSelfPermission( 2259 android.Manifest.permission.CLEAR_APP_CACHE, null); 2260 // Queue up an async operation since clearing cache may take a little while. 2261 mHandler.post(new Runnable() { 2262 public void run() { 2263 mHandler.removeCallbacks(this); 2264 int retCode = -1; 2265 synchronized (mInstallLock) { 2266 retCode = mInstaller.freeCache(freeStorageSize); 2267 if (retCode < 0) { 2268 Slog.w(TAG, "Couldn't clear application caches"); 2269 } 2270 } 2271 if(pi != null) { 2272 try { 2273 // Callback via pending intent 2274 int code = (retCode >= 0) ? 1 : 0; 2275 pi.sendIntent(null, code, null, 2276 null, null); 2277 } catch (SendIntentException e1) { 2278 Slog.i(TAG, "Failed to send pending intent"); 2279 } 2280 } 2281 } 2282 }); 2283 } 2284 2285 @Override 2286 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2287 if (!sUserManager.exists(userId)) return null; 2288 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2289 synchronized (mPackages) { 2290 PackageParser.Activity a = mActivities.mActivities.get(component); 2291 2292 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2293 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2294 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2295 if (ps == null) return null; 2296 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2297 userId); 2298 } 2299 if (mResolveComponentName.equals(component)) { 2300 return mResolveActivity; 2301 } 2302 } 2303 return null; 2304 } 2305 2306 @Override 2307 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2308 if (!sUserManager.exists(userId)) return null; 2309 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2310 synchronized (mPackages) { 2311 PackageParser.Activity a = mReceivers.mActivities.get(component); 2312 if (DEBUG_PACKAGE_INFO) Log.v( 2313 TAG, "getReceiverInfo " + component + ": " + a); 2314 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2315 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2316 if (ps == null) return null; 2317 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2318 userId); 2319 } 2320 } 2321 return null; 2322 } 2323 2324 @Override 2325 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2326 if (!sUserManager.exists(userId)) return null; 2327 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2328 synchronized (mPackages) { 2329 PackageParser.Service s = mServices.mServices.get(component); 2330 if (DEBUG_PACKAGE_INFO) Log.v( 2331 TAG, "getServiceInfo " + component + ": " + s); 2332 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2333 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2334 if (ps == null) return null; 2335 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2336 userId); 2337 } 2338 } 2339 return null; 2340 } 2341 2342 @Override 2343 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2344 if (!sUserManager.exists(userId)) return null; 2345 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2346 synchronized (mPackages) { 2347 PackageParser.Provider p = mProviders.mProviders.get(component); 2348 if (DEBUG_PACKAGE_INFO) Log.v( 2349 TAG, "getProviderInfo " + component + ": " + p); 2350 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2351 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2352 if (ps == null) return null; 2353 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2354 userId); 2355 } 2356 } 2357 return null; 2358 } 2359 2360 @Override 2361 public String[] getSystemSharedLibraryNames() { 2362 Set<String> libSet; 2363 synchronized (mPackages) { 2364 libSet = mSharedLibraries.keySet(); 2365 int size = libSet.size(); 2366 if (size > 0) { 2367 String[] libs = new String[size]; 2368 libSet.toArray(libs); 2369 return libs; 2370 } 2371 } 2372 return null; 2373 } 2374 2375 @Override 2376 public FeatureInfo[] getSystemAvailableFeatures() { 2377 Collection<FeatureInfo> featSet; 2378 synchronized (mPackages) { 2379 featSet = mAvailableFeatures.values(); 2380 int size = featSet.size(); 2381 if (size > 0) { 2382 FeatureInfo[] features = new FeatureInfo[size+1]; 2383 featSet.toArray(features); 2384 FeatureInfo fi = new FeatureInfo(); 2385 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2386 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2387 features[size] = fi; 2388 return features; 2389 } 2390 } 2391 return null; 2392 } 2393 2394 @Override 2395 public boolean hasSystemFeature(String name) { 2396 synchronized (mPackages) { 2397 return mAvailableFeatures.containsKey(name); 2398 } 2399 } 2400 2401 private void checkValidCaller(int uid, int userId) { 2402 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2403 return; 2404 2405 throw new SecurityException("Caller uid=" + uid 2406 + " is not privileged to communicate with user=" + userId); 2407 } 2408 2409 @Override 2410 public int checkPermission(String permName, String pkgName) { 2411 synchronized (mPackages) { 2412 PackageParser.Package p = mPackages.get(pkgName); 2413 if (p != null && p.mExtras != null) { 2414 PackageSetting ps = (PackageSetting)p.mExtras; 2415 if (ps.sharedUser != null) { 2416 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2417 return PackageManager.PERMISSION_GRANTED; 2418 } 2419 } else if (ps.grantedPermissions.contains(permName)) { 2420 return PackageManager.PERMISSION_GRANTED; 2421 } 2422 } 2423 } 2424 return PackageManager.PERMISSION_DENIED; 2425 } 2426 2427 @Override 2428 public int checkUidPermission(String permName, int uid) { 2429 synchronized (mPackages) { 2430 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2431 if (obj != null) { 2432 GrantedPermissions gp = (GrantedPermissions)obj; 2433 if (gp.grantedPermissions.contains(permName)) { 2434 return PackageManager.PERMISSION_GRANTED; 2435 } 2436 } else { 2437 HashSet<String> perms = mSystemPermissions.get(uid); 2438 if (perms != null && perms.contains(permName)) { 2439 return PackageManager.PERMISSION_GRANTED; 2440 } 2441 } 2442 } 2443 return PackageManager.PERMISSION_DENIED; 2444 } 2445 2446 /** 2447 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2448 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2449 * @param message the message to log on security exception 2450 * @return 2451 */ 2452 private void enforceCrossUserPermission(int callingUid, int userId, 2453 boolean requireFullPermission, String message) { 2454 if (userId < 0) { 2455 throw new IllegalArgumentException("Invalid userId " + userId); 2456 } 2457 if (userId == UserHandle.getUserId(callingUid)) return; 2458 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2459 if (requireFullPermission) { 2460 mContext.enforceCallingOrSelfPermission( 2461 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2462 } else { 2463 try { 2464 mContext.enforceCallingOrSelfPermission( 2465 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2466 } catch (SecurityException se) { 2467 mContext.enforceCallingOrSelfPermission( 2468 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2469 } 2470 } 2471 } 2472 } 2473 2474 private BasePermission findPermissionTreeLP(String permName) { 2475 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2476 if (permName.startsWith(bp.name) && 2477 permName.length() > bp.name.length() && 2478 permName.charAt(bp.name.length()) == '.') { 2479 return bp; 2480 } 2481 } 2482 return null; 2483 } 2484 2485 private BasePermission checkPermissionTreeLP(String permName) { 2486 if (permName != null) { 2487 BasePermission bp = findPermissionTreeLP(permName); 2488 if (bp != null) { 2489 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2490 return bp; 2491 } 2492 throw new SecurityException("Calling uid " 2493 + Binder.getCallingUid() 2494 + " is not allowed to add to permission tree " 2495 + bp.name + " owned by uid " + bp.uid); 2496 } 2497 } 2498 throw new SecurityException("No permission tree found for " + permName); 2499 } 2500 2501 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2502 if (s1 == null) { 2503 return s2 == null; 2504 } 2505 if (s2 == null) { 2506 return false; 2507 } 2508 if (s1.getClass() != s2.getClass()) { 2509 return false; 2510 } 2511 return s1.equals(s2); 2512 } 2513 2514 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2515 if (pi1.icon != pi2.icon) return false; 2516 if (pi1.logo != pi2.logo) return false; 2517 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2518 if (!compareStrings(pi1.name, pi2.name)) return false; 2519 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2520 // We'll take care of setting this one. 2521 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2522 // These are not currently stored in settings. 2523 //if (!compareStrings(pi1.group, pi2.group)) return false; 2524 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2525 //if (pi1.labelRes != pi2.labelRes) return false; 2526 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2527 return true; 2528 } 2529 2530 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2531 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2532 throw new SecurityException("Label must be specified in permission"); 2533 } 2534 BasePermission tree = checkPermissionTreeLP(info.name); 2535 BasePermission bp = mSettings.mPermissions.get(info.name); 2536 boolean added = bp == null; 2537 boolean changed = true; 2538 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2539 if (added) { 2540 bp = new BasePermission(info.name, tree.sourcePackage, 2541 BasePermission.TYPE_DYNAMIC); 2542 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2543 throw new SecurityException( 2544 "Not allowed to modify non-dynamic permission " 2545 + info.name); 2546 } else { 2547 if (bp.protectionLevel == fixedLevel 2548 && bp.perm.owner.equals(tree.perm.owner) 2549 && bp.uid == tree.uid 2550 && comparePermissionInfos(bp.perm.info, info)) { 2551 changed = false; 2552 } 2553 } 2554 bp.protectionLevel = fixedLevel; 2555 info = new PermissionInfo(info); 2556 info.protectionLevel = fixedLevel; 2557 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2558 bp.perm.info.packageName = tree.perm.info.packageName; 2559 bp.uid = tree.uid; 2560 if (added) { 2561 mSettings.mPermissions.put(info.name, bp); 2562 } 2563 if (changed) { 2564 if (!async) { 2565 mSettings.writeLPr(); 2566 } else { 2567 scheduleWriteSettingsLocked(); 2568 } 2569 } 2570 return added; 2571 } 2572 2573 @Override 2574 public boolean addPermission(PermissionInfo info) { 2575 synchronized (mPackages) { 2576 return addPermissionLocked(info, false); 2577 } 2578 } 2579 2580 @Override 2581 public boolean addPermissionAsync(PermissionInfo info) { 2582 synchronized (mPackages) { 2583 return addPermissionLocked(info, true); 2584 } 2585 } 2586 2587 @Override 2588 public void removePermission(String name) { 2589 synchronized (mPackages) { 2590 checkPermissionTreeLP(name); 2591 BasePermission bp = mSettings.mPermissions.get(name); 2592 if (bp != null) { 2593 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2594 throw new SecurityException( 2595 "Not allowed to modify non-dynamic permission " 2596 + name); 2597 } 2598 mSettings.mPermissions.remove(name); 2599 mSettings.writeLPr(); 2600 } 2601 } 2602 } 2603 2604 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2605 int index = pkg.requestedPermissions.indexOf(bp.name); 2606 if (index == -1) { 2607 throw new SecurityException("Package " + pkg.packageName 2608 + " has not requested permission " + bp.name); 2609 } 2610 boolean isNormal = 2611 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2612 == PermissionInfo.PROTECTION_NORMAL); 2613 boolean isDangerous = 2614 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2615 == PermissionInfo.PROTECTION_DANGEROUS); 2616 boolean isDevelopment = 2617 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2618 2619 if (!isNormal && !isDangerous && !isDevelopment) { 2620 throw new SecurityException("Permission " + bp.name 2621 + " is not a changeable permission type"); 2622 } 2623 2624 if (isNormal || isDangerous) { 2625 if (pkg.requestedPermissionsRequired.get(index)) { 2626 throw new SecurityException("Can't change " + bp.name 2627 + ". It is required by the application"); 2628 } 2629 } 2630 } 2631 2632 @Override 2633 public void grantPermission(String packageName, String permissionName) { 2634 mContext.enforceCallingOrSelfPermission( 2635 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2636 synchronized (mPackages) { 2637 final PackageParser.Package pkg = mPackages.get(packageName); 2638 if (pkg == null) { 2639 throw new IllegalArgumentException("Unknown package: " + packageName); 2640 } 2641 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2642 if (bp == null) { 2643 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2644 } 2645 2646 checkGrantRevokePermissions(pkg, bp); 2647 2648 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2649 if (ps == null) { 2650 return; 2651 } 2652 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2653 if (gp.grantedPermissions.add(permissionName)) { 2654 if (ps.haveGids) { 2655 gp.gids = appendInts(gp.gids, bp.gids); 2656 } 2657 mSettings.writeLPr(); 2658 } 2659 } 2660 } 2661 2662 @Override 2663 public void revokePermission(String packageName, String permissionName) { 2664 int changedAppId = -1; 2665 2666 synchronized (mPackages) { 2667 final PackageParser.Package pkg = mPackages.get(packageName); 2668 if (pkg == null) { 2669 throw new IllegalArgumentException("Unknown package: " + packageName); 2670 } 2671 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2672 mContext.enforceCallingOrSelfPermission( 2673 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2674 } 2675 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2676 if (bp == null) { 2677 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2678 } 2679 2680 checkGrantRevokePermissions(pkg, bp); 2681 2682 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2683 if (ps == null) { 2684 return; 2685 } 2686 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2687 if (gp.grantedPermissions.remove(permissionName)) { 2688 gp.grantedPermissions.remove(permissionName); 2689 if (ps.haveGids) { 2690 gp.gids = removeInts(gp.gids, bp.gids); 2691 } 2692 mSettings.writeLPr(); 2693 changedAppId = ps.appId; 2694 } 2695 } 2696 2697 if (changedAppId >= 0) { 2698 // We changed the perm on someone, kill its processes. 2699 IActivityManager am = ActivityManagerNative.getDefault(); 2700 if (am != null) { 2701 final int callingUserId = UserHandle.getCallingUserId(); 2702 final long ident = Binder.clearCallingIdentity(); 2703 try { 2704 //XXX we should only revoke for the calling user's app permissions, 2705 // but for now we impact all users. 2706 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2707 // "revoke " + permissionName); 2708 int[] users = sUserManager.getUserIds(); 2709 for (int user : users) { 2710 am.killUid(UserHandle.getUid(user, changedAppId), 2711 "revoke " + permissionName); 2712 } 2713 } catch (RemoteException e) { 2714 } finally { 2715 Binder.restoreCallingIdentity(ident); 2716 } 2717 } 2718 } 2719 } 2720 2721 @Override 2722 public boolean isProtectedBroadcast(String actionName) { 2723 synchronized (mPackages) { 2724 return mProtectedBroadcasts.contains(actionName); 2725 } 2726 } 2727 2728 @Override 2729 public int checkSignatures(String pkg1, String pkg2) { 2730 synchronized (mPackages) { 2731 final PackageParser.Package p1 = mPackages.get(pkg1); 2732 final PackageParser.Package p2 = mPackages.get(pkg2); 2733 if (p1 == null || p1.mExtras == null 2734 || p2 == null || p2.mExtras == null) { 2735 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2736 } 2737 return compareSignatures(p1.mSignatures, p2.mSignatures); 2738 } 2739 } 2740 2741 @Override 2742 public int checkUidSignatures(int uid1, int uid2) { 2743 // Map to base uids. 2744 uid1 = UserHandle.getAppId(uid1); 2745 uid2 = UserHandle.getAppId(uid2); 2746 // reader 2747 synchronized (mPackages) { 2748 Signature[] s1; 2749 Signature[] s2; 2750 Object obj = mSettings.getUserIdLPr(uid1); 2751 if (obj != null) { 2752 if (obj instanceof SharedUserSetting) { 2753 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2754 } else if (obj instanceof PackageSetting) { 2755 s1 = ((PackageSetting)obj).signatures.mSignatures; 2756 } else { 2757 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2758 } 2759 } else { 2760 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2761 } 2762 obj = mSettings.getUserIdLPr(uid2); 2763 if (obj != null) { 2764 if (obj instanceof SharedUserSetting) { 2765 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2766 } else if (obj instanceof PackageSetting) { 2767 s2 = ((PackageSetting)obj).signatures.mSignatures; 2768 } else { 2769 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2770 } 2771 } else { 2772 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2773 } 2774 return compareSignatures(s1, s2); 2775 } 2776 } 2777 2778 /** 2779 * Compares two sets of signatures. Returns: 2780 * <br /> 2781 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2782 * <br /> 2783 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2784 * <br /> 2785 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2786 * <br /> 2787 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2788 * <br /> 2789 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2790 */ 2791 static int compareSignatures(Signature[] s1, Signature[] s2) { 2792 if (s1 == null) { 2793 return s2 == null 2794 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2795 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2796 } 2797 2798 if (s2 == null) { 2799 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2800 } 2801 2802 if (s1.length != s2.length) { 2803 return PackageManager.SIGNATURE_NO_MATCH; 2804 } 2805 2806 // Since both signature sets are of size 1, we can compare without HashSets. 2807 if (s1.length == 1) { 2808 return s1[0].equals(s2[0]) ? 2809 PackageManager.SIGNATURE_MATCH : 2810 PackageManager.SIGNATURE_NO_MATCH; 2811 } 2812 2813 HashSet<Signature> set1 = new HashSet<Signature>(); 2814 for (Signature sig : s1) { 2815 set1.add(sig); 2816 } 2817 HashSet<Signature> set2 = new HashSet<Signature>(); 2818 for (Signature sig : s2) { 2819 set2.add(sig); 2820 } 2821 // Make sure s2 contains all signatures in s1. 2822 if (set1.equals(set2)) { 2823 return PackageManager.SIGNATURE_MATCH; 2824 } 2825 return PackageManager.SIGNATURE_NO_MATCH; 2826 } 2827 2828 @Override 2829 public String[] getPackagesForUid(int uid) { 2830 uid = UserHandle.getAppId(uid); 2831 // reader 2832 synchronized (mPackages) { 2833 Object obj = mSettings.getUserIdLPr(uid); 2834 if (obj instanceof SharedUserSetting) { 2835 final SharedUserSetting sus = (SharedUserSetting) obj; 2836 final int N = sus.packages.size(); 2837 final String[] res = new String[N]; 2838 final Iterator<PackageSetting> it = sus.packages.iterator(); 2839 int i = 0; 2840 while (it.hasNext()) { 2841 res[i++] = it.next().name; 2842 } 2843 return res; 2844 } else if (obj instanceof PackageSetting) { 2845 final PackageSetting ps = (PackageSetting) obj; 2846 return new String[] { ps.name }; 2847 } 2848 } 2849 return null; 2850 } 2851 2852 @Override 2853 public String getNameForUid(int uid) { 2854 // reader 2855 synchronized (mPackages) { 2856 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2857 if (obj instanceof SharedUserSetting) { 2858 final SharedUserSetting sus = (SharedUserSetting) obj; 2859 return sus.name + ":" + sus.userId; 2860 } else if (obj instanceof PackageSetting) { 2861 final PackageSetting ps = (PackageSetting) obj; 2862 return ps.name; 2863 } 2864 } 2865 return null; 2866 } 2867 2868 @Override 2869 public int getUidForSharedUser(String sharedUserName) { 2870 if(sharedUserName == null) { 2871 return -1; 2872 } 2873 // reader 2874 synchronized (mPackages) { 2875 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2876 if (suid == null) { 2877 return -1; 2878 } 2879 return suid.userId; 2880 } 2881 } 2882 2883 @Override 2884 public int getFlagsForUid(int uid) { 2885 synchronized (mPackages) { 2886 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2887 if (obj instanceof SharedUserSetting) { 2888 final SharedUserSetting sus = (SharedUserSetting) obj; 2889 return sus.pkgFlags; 2890 } else if (obj instanceof PackageSetting) { 2891 final PackageSetting ps = (PackageSetting) obj; 2892 return ps.pkgFlags; 2893 } 2894 } 2895 return 0; 2896 } 2897 2898 @Override 2899 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2900 int flags, int userId) { 2901 if (!sUserManager.exists(userId)) return null; 2902 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2903 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2904 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2905 } 2906 2907 @Override 2908 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2909 IntentFilter filter, int match, ComponentName activity) { 2910 final int userId = UserHandle.getCallingUserId(); 2911 if (DEBUG_PREFERRED) { 2912 Log.v(TAG, "setLastChosenActivity intent=" + intent 2913 + " resolvedType=" + resolvedType 2914 + " flags=" + flags 2915 + " filter=" + filter 2916 + " match=" + match 2917 + " activity=" + activity); 2918 filter.dump(new PrintStreamPrinter(System.out), " "); 2919 } 2920 intent.setComponent(null); 2921 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2922 // Find any earlier preferred or last chosen entries and nuke them 2923 findPreferredActivity(intent, resolvedType, 2924 flags, query, 0, false, true, false, userId); 2925 // Add the new activity as the last chosen for this filter 2926 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2927 } 2928 2929 @Override 2930 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2931 final int userId = UserHandle.getCallingUserId(); 2932 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2933 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2934 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2935 false, false, false, userId); 2936 } 2937 2938 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2939 int flags, List<ResolveInfo> query, int userId) { 2940 if (query != null) { 2941 final int N = query.size(); 2942 if (N == 1) { 2943 return query.get(0); 2944 } else if (N > 1) { 2945 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2946 // If there is more than one activity with the same priority, 2947 // then let the user decide between them. 2948 ResolveInfo r0 = query.get(0); 2949 ResolveInfo r1 = query.get(1); 2950 if (DEBUG_INTENT_MATCHING || debug) { 2951 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2952 + r1.activityInfo.name + "=" + r1.priority); 2953 } 2954 // If the first activity has a higher priority, or a different 2955 // default, then it is always desireable to pick it. 2956 if (r0.priority != r1.priority 2957 || r0.preferredOrder != r1.preferredOrder 2958 || r0.isDefault != r1.isDefault) { 2959 return query.get(0); 2960 } 2961 // If we have saved a preference for a preferred activity for 2962 // this Intent, use that. 2963 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2964 flags, query, r0.priority, true, false, debug, userId); 2965 if (ri != null) { 2966 return ri; 2967 } 2968 if (userId != 0) { 2969 ri = new ResolveInfo(mResolveInfo); 2970 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2971 ri.activityInfo.applicationInfo = new ApplicationInfo( 2972 ri.activityInfo.applicationInfo); 2973 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2974 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2975 return ri; 2976 } 2977 return mResolveInfo; 2978 } 2979 } 2980 return null; 2981 } 2982 2983 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2984 List<ResolveInfo> query, int priority, boolean always, 2985 boolean removeMatches, boolean debug, int userId) { 2986 if (!sUserManager.exists(userId)) return null; 2987 // writer 2988 synchronized (mPackages) { 2989 if (intent.getSelector() != null) { 2990 intent = intent.getSelector(); 2991 } 2992 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2993 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2994 // Get the list of preferred activities that handle the intent 2995 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2996 List<PreferredActivity> prefs = pir != null 2997 ? pir.queryIntent(intent, resolvedType, 2998 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2999 : null; 3000 if (prefs != null && prefs.size() > 0) { 3001 // First figure out how good the original match set is. 3002 // We will only allow preferred activities that came 3003 // from the same match quality. 3004 int match = 0; 3005 3006 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3007 3008 final int N = query.size(); 3009 for (int j=0; j<N; j++) { 3010 final ResolveInfo ri = query.get(j); 3011 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3012 + ": 0x" + Integer.toHexString(match)); 3013 if (ri.match > match) { 3014 match = ri.match; 3015 } 3016 } 3017 3018 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3019 + Integer.toHexString(match)); 3020 3021 match &= IntentFilter.MATCH_CATEGORY_MASK; 3022 final int M = prefs.size(); 3023 for (int i=0; i<M; i++) { 3024 final PreferredActivity pa = prefs.get(i); 3025 if (DEBUG_PREFERRED || debug) { 3026 Slog.v(TAG, "Checking PreferredActivity ds=" 3027 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3028 + "\n component=" + pa.mPref.mComponent); 3029 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3030 } 3031 if (pa.mPref.mMatch != match) { 3032 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3033 + Integer.toHexString(pa.mPref.mMatch)); 3034 continue; 3035 } 3036 // If it's not an "always" type preferred activity and that's what we're 3037 // looking for, skip it. 3038 if (always && !pa.mPref.mAlways) { 3039 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3040 continue; 3041 } 3042 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3043 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3044 if (DEBUG_PREFERRED || debug) { 3045 Slog.v(TAG, "Found preferred activity:"); 3046 if (ai != null) { 3047 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3048 } else { 3049 Slog.v(TAG, " null"); 3050 } 3051 } 3052 if (ai == null) { 3053 // This previously registered preferred activity 3054 // component is no longer known. Most likely an update 3055 // to the app was installed and in the new version this 3056 // component no longer exists. Clean it up by removing 3057 // it from the preferred activities list, and skip it. 3058 Slog.w(TAG, "Removing dangling preferred activity: " 3059 + pa.mPref.mComponent); 3060 pir.removeFilter(pa); 3061 continue; 3062 } 3063 for (int j=0; j<N; j++) { 3064 final ResolveInfo ri = query.get(j); 3065 if (!ri.activityInfo.applicationInfo.packageName 3066 .equals(ai.applicationInfo.packageName)) { 3067 continue; 3068 } 3069 if (!ri.activityInfo.name.equals(ai.name)) { 3070 continue; 3071 } 3072 3073 if (removeMatches) { 3074 pir.removeFilter(pa); 3075 if (DEBUG_PREFERRED) { 3076 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3077 } 3078 break; 3079 } 3080 3081 // Okay we found a previously set preferred or last chosen app. 3082 // If the result set is different from when this 3083 // was created, we need to clear it and re-ask the 3084 // user their preference, if we're looking for an "always" type entry. 3085 if (always && !pa.mPref.sameSet(query, priority)) { 3086 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3087 + intent + " type " + resolvedType); 3088 if (DEBUG_PREFERRED) { 3089 Slog.v(TAG, "Removing preferred activity since set changed " 3090 + pa.mPref.mComponent); 3091 } 3092 pir.removeFilter(pa); 3093 // Re-add the filter as a "last chosen" entry (!always) 3094 PreferredActivity lastChosen = new PreferredActivity( 3095 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3096 pir.addFilter(lastChosen); 3097 mSettings.writePackageRestrictionsLPr(userId); 3098 return null; 3099 } 3100 3101 // Yay! Either the set matched or we're looking for the last chosen 3102 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3103 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3104 mSettings.writePackageRestrictionsLPr(userId); 3105 return ri; 3106 } 3107 } 3108 } 3109 mSettings.writePackageRestrictionsLPr(userId); 3110 } 3111 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3112 return null; 3113 } 3114 3115 @Override 3116 public List<ResolveInfo> queryIntentActivities(Intent intent, 3117 String resolvedType, int flags, int userId) { 3118 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3119 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3120 ComponentName comp = intent.getComponent(); 3121 if (comp == null) { 3122 if (intent.getSelector() != null) { 3123 intent = intent.getSelector(); 3124 comp = intent.getComponent(); 3125 } 3126 } 3127 3128 if (comp != null) { 3129 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3130 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3131 if (ai != null) { 3132 final ResolveInfo ri = new ResolveInfo(); 3133 ri.activityInfo = ai; 3134 list.add(ri); 3135 } 3136 return list; 3137 } 3138 3139 // reader 3140 synchronized (mPackages) { 3141 final String pkgName = intent.getPackage(); 3142 if (pkgName == null) { 3143 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3144 } 3145 final PackageParser.Package pkg = mPackages.get(pkgName); 3146 if (pkg != null) { 3147 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3148 pkg.activities, userId); 3149 } 3150 return new ArrayList<ResolveInfo>(); 3151 } 3152 } 3153 3154 @Override 3155 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3156 Intent[] specifics, String[] specificTypes, Intent intent, 3157 String resolvedType, int flags, int userId) { 3158 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3159 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3160 "query intent activity options"); 3161 final String resultsAction = intent.getAction(); 3162 3163 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3164 | PackageManager.GET_RESOLVED_FILTER, userId); 3165 3166 if (DEBUG_INTENT_MATCHING) { 3167 Log.v(TAG, "Query " + intent + ": " + results); 3168 } 3169 3170 int specificsPos = 0; 3171 int N; 3172 3173 // todo: note that the algorithm used here is O(N^2). This 3174 // isn't a problem in our current environment, but if we start running 3175 // into situations where we have more than 5 or 10 matches then this 3176 // should probably be changed to something smarter... 3177 3178 // First we go through and resolve each of the specific items 3179 // that were supplied, taking care of removing any corresponding 3180 // duplicate items in the generic resolve list. 3181 if (specifics != null) { 3182 for (int i=0; i<specifics.length; i++) { 3183 final Intent sintent = specifics[i]; 3184 if (sintent == null) { 3185 continue; 3186 } 3187 3188 if (DEBUG_INTENT_MATCHING) { 3189 Log.v(TAG, "Specific #" + i + ": " + sintent); 3190 } 3191 3192 String action = sintent.getAction(); 3193 if (resultsAction != null && resultsAction.equals(action)) { 3194 // If this action was explicitly requested, then don't 3195 // remove things that have it. 3196 action = null; 3197 } 3198 3199 ResolveInfo ri = null; 3200 ActivityInfo ai = null; 3201 3202 ComponentName comp = sintent.getComponent(); 3203 if (comp == null) { 3204 ri = resolveIntent( 3205 sintent, 3206 specificTypes != null ? specificTypes[i] : null, 3207 flags, userId); 3208 if (ri == null) { 3209 continue; 3210 } 3211 if (ri == mResolveInfo) { 3212 // ACK! Must do something better with this. 3213 } 3214 ai = ri.activityInfo; 3215 comp = new ComponentName(ai.applicationInfo.packageName, 3216 ai.name); 3217 } else { 3218 ai = getActivityInfo(comp, flags, userId); 3219 if (ai == null) { 3220 continue; 3221 } 3222 } 3223 3224 // Look for any generic query activities that are duplicates 3225 // of this specific one, and remove them from the results. 3226 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3227 N = results.size(); 3228 int j; 3229 for (j=specificsPos; j<N; j++) { 3230 ResolveInfo sri = results.get(j); 3231 if ((sri.activityInfo.name.equals(comp.getClassName()) 3232 && sri.activityInfo.applicationInfo.packageName.equals( 3233 comp.getPackageName())) 3234 || (action != null && sri.filter.matchAction(action))) { 3235 results.remove(j); 3236 if (DEBUG_INTENT_MATCHING) Log.v( 3237 TAG, "Removing duplicate item from " + j 3238 + " due to specific " + specificsPos); 3239 if (ri == null) { 3240 ri = sri; 3241 } 3242 j--; 3243 N--; 3244 } 3245 } 3246 3247 // Add this specific item to its proper place. 3248 if (ri == null) { 3249 ri = new ResolveInfo(); 3250 ri.activityInfo = ai; 3251 } 3252 results.add(specificsPos, ri); 3253 ri.specificIndex = i; 3254 specificsPos++; 3255 } 3256 } 3257 3258 // Now we go through the remaining generic results and remove any 3259 // duplicate actions that are found here. 3260 N = results.size(); 3261 for (int i=specificsPos; i<N-1; i++) { 3262 final ResolveInfo rii = results.get(i); 3263 if (rii.filter == null) { 3264 continue; 3265 } 3266 3267 // Iterate over all of the actions of this result's intent 3268 // filter... typically this should be just one. 3269 final Iterator<String> it = rii.filter.actionsIterator(); 3270 if (it == null) { 3271 continue; 3272 } 3273 while (it.hasNext()) { 3274 final String action = it.next(); 3275 if (resultsAction != null && resultsAction.equals(action)) { 3276 // If this action was explicitly requested, then don't 3277 // remove things that have it. 3278 continue; 3279 } 3280 for (int j=i+1; j<N; j++) { 3281 final ResolveInfo rij = results.get(j); 3282 if (rij.filter != null && rij.filter.hasAction(action)) { 3283 results.remove(j); 3284 if (DEBUG_INTENT_MATCHING) Log.v( 3285 TAG, "Removing duplicate item from " + j 3286 + " due to action " + action + " at " + i); 3287 j--; 3288 N--; 3289 } 3290 } 3291 } 3292 3293 // If the caller didn't request filter information, drop it now 3294 // so we don't have to marshall/unmarshall it. 3295 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3296 rii.filter = null; 3297 } 3298 } 3299 3300 // Filter out the caller activity if so requested. 3301 if (caller != null) { 3302 N = results.size(); 3303 for (int i=0; i<N; i++) { 3304 ActivityInfo ainfo = results.get(i).activityInfo; 3305 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3306 && caller.getClassName().equals(ainfo.name)) { 3307 results.remove(i); 3308 break; 3309 } 3310 } 3311 } 3312 3313 // If the caller didn't request filter information, 3314 // drop them now so we don't have to 3315 // marshall/unmarshall it. 3316 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3317 N = results.size(); 3318 for (int i=0; i<N; i++) { 3319 results.get(i).filter = null; 3320 } 3321 } 3322 3323 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3324 return results; 3325 } 3326 3327 @Override 3328 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3329 int userId) { 3330 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3331 ComponentName comp = intent.getComponent(); 3332 if (comp == null) { 3333 if (intent.getSelector() != null) { 3334 intent = intent.getSelector(); 3335 comp = intent.getComponent(); 3336 } 3337 } 3338 if (comp != null) { 3339 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3340 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3341 if (ai != null) { 3342 ResolveInfo ri = new ResolveInfo(); 3343 ri.activityInfo = ai; 3344 list.add(ri); 3345 } 3346 return list; 3347 } 3348 3349 // reader 3350 synchronized (mPackages) { 3351 String pkgName = intent.getPackage(); 3352 if (pkgName == null) { 3353 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3354 } 3355 final PackageParser.Package pkg = mPackages.get(pkgName); 3356 if (pkg != null) { 3357 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3358 userId); 3359 } 3360 return null; 3361 } 3362 } 3363 3364 @Override 3365 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3366 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3367 if (!sUserManager.exists(userId)) return null; 3368 if (query != null) { 3369 if (query.size() >= 1) { 3370 // If there is more than one service with the same priority, 3371 // just arbitrarily pick the first one. 3372 return query.get(0); 3373 } 3374 } 3375 return null; 3376 } 3377 3378 @Override 3379 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3380 int userId) { 3381 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3382 ComponentName comp = intent.getComponent(); 3383 if (comp == null) { 3384 if (intent.getSelector() != null) { 3385 intent = intent.getSelector(); 3386 comp = intent.getComponent(); 3387 } 3388 } 3389 if (comp != null) { 3390 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3391 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3392 if (si != null) { 3393 final ResolveInfo ri = new ResolveInfo(); 3394 ri.serviceInfo = si; 3395 list.add(ri); 3396 } 3397 return list; 3398 } 3399 3400 // reader 3401 synchronized (mPackages) { 3402 String pkgName = intent.getPackage(); 3403 if (pkgName == null) { 3404 return mServices.queryIntent(intent, resolvedType, flags, userId); 3405 } 3406 final PackageParser.Package pkg = mPackages.get(pkgName); 3407 if (pkg != null) { 3408 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3409 userId); 3410 } 3411 return null; 3412 } 3413 } 3414 3415 @Override 3416 public List<ResolveInfo> queryIntentContentProviders( 3417 Intent intent, String resolvedType, int flags, int userId) { 3418 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3419 ComponentName comp = intent.getComponent(); 3420 if (comp == null) { 3421 if (intent.getSelector() != null) { 3422 intent = intent.getSelector(); 3423 comp = intent.getComponent(); 3424 } 3425 } 3426 if (comp != null) { 3427 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3428 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3429 if (pi != null) { 3430 final ResolveInfo ri = new ResolveInfo(); 3431 ri.providerInfo = pi; 3432 list.add(ri); 3433 } 3434 return list; 3435 } 3436 3437 // reader 3438 synchronized (mPackages) { 3439 String pkgName = intent.getPackage(); 3440 if (pkgName == null) { 3441 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3442 } 3443 final PackageParser.Package pkg = mPackages.get(pkgName); 3444 if (pkg != null) { 3445 return mProviders.queryIntentForPackage( 3446 intent, resolvedType, flags, pkg.providers, userId); 3447 } 3448 return null; 3449 } 3450 } 3451 3452 @Override 3453 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3454 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3455 3456 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3457 3458 // writer 3459 synchronized (mPackages) { 3460 ArrayList<PackageInfo> list; 3461 if (listUninstalled) { 3462 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3463 for (PackageSetting ps : mSettings.mPackages.values()) { 3464 PackageInfo pi; 3465 if (ps.pkg != null) { 3466 pi = generatePackageInfo(ps.pkg, flags, userId); 3467 } else { 3468 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3469 } 3470 if (pi != null) { 3471 list.add(pi); 3472 } 3473 } 3474 } else { 3475 list = new ArrayList<PackageInfo>(mPackages.size()); 3476 for (PackageParser.Package p : mPackages.values()) { 3477 PackageInfo pi = generatePackageInfo(p, flags, userId); 3478 if (pi != null) { 3479 list.add(pi); 3480 } 3481 } 3482 } 3483 3484 return new ParceledListSlice<PackageInfo>(list); 3485 } 3486 } 3487 3488 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3489 String[] permissions, boolean[] tmp, int flags, int userId) { 3490 int numMatch = 0; 3491 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3492 for (int i=0; i<permissions.length; i++) { 3493 if (gp.grantedPermissions.contains(permissions[i])) { 3494 tmp[i] = true; 3495 numMatch++; 3496 } else { 3497 tmp[i] = false; 3498 } 3499 } 3500 if (numMatch == 0) { 3501 return; 3502 } 3503 PackageInfo pi; 3504 if (ps.pkg != null) { 3505 pi = generatePackageInfo(ps.pkg, flags, userId); 3506 } else { 3507 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3508 } 3509 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3510 if (numMatch == permissions.length) { 3511 pi.requestedPermissions = permissions; 3512 } else { 3513 pi.requestedPermissions = new String[numMatch]; 3514 numMatch = 0; 3515 for (int i=0; i<permissions.length; i++) { 3516 if (tmp[i]) { 3517 pi.requestedPermissions[numMatch] = permissions[i]; 3518 numMatch++; 3519 } 3520 } 3521 } 3522 } 3523 list.add(pi); 3524 } 3525 3526 @Override 3527 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3528 String[] permissions, int flags, int userId) { 3529 if (!sUserManager.exists(userId)) return null; 3530 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3531 3532 // writer 3533 synchronized (mPackages) { 3534 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3535 boolean[] tmpBools = new boolean[permissions.length]; 3536 if (listUninstalled) { 3537 for (PackageSetting ps : mSettings.mPackages.values()) { 3538 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3539 } 3540 } else { 3541 for (PackageParser.Package pkg : mPackages.values()) { 3542 PackageSetting ps = (PackageSetting)pkg.mExtras; 3543 if (ps != null) { 3544 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3545 userId); 3546 } 3547 } 3548 } 3549 3550 return new ParceledListSlice<PackageInfo>(list); 3551 } 3552 } 3553 3554 @Override 3555 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3556 if (!sUserManager.exists(userId)) return null; 3557 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3558 3559 // writer 3560 synchronized (mPackages) { 3561 ArrayList<ApplicationInfo> list; 3562 if (listUninstalled) { 3563 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3564 for (PackageSetting ps : mSettings.mPackages.values()) { 3565 ApplicationInfo ai; 3566 if (ps.pkg != null) { 3567 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3568 ps.readUserState(userId), userId); 3569 } else { 3570 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3571 } 3572 if (ai != null) { 3573 list.add(ai); 3574 } 3575 } 3576 } else { 3577 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3578 for (PackageParser.Package p : mPackages.values()) { 3579 if (p.mExtras != null) { 3580 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3581 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3582 if (ai != null) { 3583 list.add(ai); 3584 } 3585 } 3586 } 3587 } 3588 3589 return new ParceledListSlice<ApplicationInfo>(list); 3590 } 3591 } 3592 3593 public List<ApplicationInfo> getPersistentApplications(int flags) { 3594 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3595 3596 // reader 3597 synchronized (mPackages) { 3598 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3599 final int userId = UserHandle.getCallingUserId(); 3600 while (i.hasNext()) { 3601 final PackageParser.Package p = i.next(); 3602 if (p.applicationInfo != null 3603 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3604 && (!mSafeMode || isSystemApp(p))) { 3605 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3606 if (ps != null) { 3607 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3608 ps.readUserState(userId), userId); 3609 if (ai != null) { 3610 finalList.add(ai); 3611 } 3612 } 3613 } 3614 } 3615 } 3616 3617 return finalList; 3618 } 3619 3620 @Override 3621 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3622 if (!sUserManager.exists(userId)) return null; 3623 // reader 3624 synchronized (mPackages) { 3625 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3626 PackageSetting ps = provider != null 3627 ? mSettings.mPackages.get(provider.owner.packageName) 3628 : null; 3629 return ps != null 3630 && mSettings.isEnabledLPr(provider.info, flags, userId) 3631 && (!mSafeMode || (provider.info.applicationInfo.flags 3632 &ApplicationInfo.FLAG_SYSTEM) != 0) 3633 ? PackageParser.generateProviderInfo(provider, flags, 3634 ps.readUserState(userId), userId) 3635 : null; 3636 } 3637 } 3638 3639 /** 3640 * @deprecated 3641 */ 3642 @Deprecated 3643 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3644 // reader 3645 synchronized (mPackages) { 3646 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3647 .entrySet().iterator(); 3648 final int userId = UserHandle.getCallingUserId(); 3649 while (i.hasNext()) { 3650 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3651 PackageParser.Provider p = entry.getValue(); 3652 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3653 3654 if (ps != null && p.syncable 3655 && (!mSafeMode || (p.info.applicationInfo.flags 3656 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3657 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3658 ps.readUserState(userId), userId); 3659 if (info != null) { 3660 outNames.add(entry.getKey()); 3661 outInfo.add(info); 3662 } 3663 } 3664 } 3665 } 3666 } 3667 3668 @Override 3669 public List<ProviderInfo> queryContentProviders(String processName, 3670 int uid, int flags) { 3671 ArrayList<ProviderInfo> finalList = null; 3672 // reader 3673 synchronized (mPackages) { 3674 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3675 final int userId = processName != null ? 3676 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3677 while (i.hasNext()) { 3678 final PackageParser.Provider p = i.next(); 3679 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3680 if (ps != null && p.info.authority != null 3681 && (processName == null 3682 || (p.info.processName.equals(processName) 3683 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3684 && mSettings.isEnabledLPr(p.info, flags, userId) 3685 && (!mSafeMode 3686 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3687 if (finalList == null) { 3688 finalList = new ArrayList<ProviderInfo>(3); 3689 } 3690 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3691 ps.readUserState(userId), userId); 3692 if (info != null) { 3693 finalList.add(info); 3694 } 3695 } 3696 } 3697 } 3698 3699 if (finalList != null) { 3700 Collections.sort(finalList, mProviderInitOrderSorter); 3701 } 3702 3703 return finalList; 3704 } 3705 3706 @Override 3707 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3708 int flags) { 3709 // reader 3710 synchronized (mPackages) { 3711 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3712 return PackageParser.generateInstrumentationInfo(i, flags); 3713 } 3714 } 3715 3716 @Override 3717 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3718 int flags) { 3719 ArrayList<InstrumentationInfo> finalList = 3720 new ArrayList<InstrumentationInfo>(); 3721 3722 // reader 3723 synchronized (mPackages) { 3724 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3725 while (i.hasNext()) { 3726 final PackageParser.Instrumentation p = i.next(); 3727 if (targetPackage == null 3728 || targetPackage.equals(p.info.targetPackage)) { 3729 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3730 flags); 3731 if (ii != null) { 3732 finalList.add(ii); 3733 } 3734 } 3735 } 3736 } 3737 3738 return finalList; 3739 } 3740 3741 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3742 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3743 if (overlays == null) { 3744 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3745 return; 3746 } 3747 for (PackageParser.Package opkg : overlays.values()) { 3748 // Not much to do if idmap fails: we already logged the error 3749 // and we certainly don't want to abort installation of pkg simply 3750 // because an overlay didn't fit properly. For these reasons, 3751 // ignore the return value of createIdmapForPackagePairLI. 3752 createIdmapForPackagePairLI(pkg, opkg); 3753 } 3754 } 3755 3756 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3757 PackageParser.Package opkg) { 3758 if (!opkg.mTrustedOverlay) { 3759 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3760 opkg.mScanPath + ": overlay not trusted"); 3761 return false; 3762 } 3763 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3764 if (overlaySet == null) { 3765 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3766 opkg.mScanPath + " but target package has no known overlays"); 3767 return false; 3768 } 3769 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3770 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3771 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3772 return false; 3773 } 3774 PackageParser.Package[] overlayArray = 3775 overlaySet.values().toArray(new PackageParser.Package[0]); 3776 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3777 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3778 return p1.mOverlayPriority - p2.mOverlayPriority; 3779 } 3780 }; 3781 Arrays.sort(overlayArray, cmp); 3782 3783 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3784 int i = 0; 3785 for (PackageParser.Package p : overlayArray) { 3786 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3787 } 3788 return true; 3789 } 3790 3791 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3792 String[] files = dir.list(); 3793 if (files == null) { 3794 Log.d(TAG, "No files in app dir " + dir); 3795 return; 3796 } 3797 3798 if (DEBUG_PACKAGE_SCANNING) { 3799 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3800 + " flags=0x" + Integer.toHexString(flags)); 3801 } 3802 3803 int i; 3804 for (i=0; i<files.length; i++) { 3805 File file = new File(dir, files[i]); 3806 if (!isPackageFilename(files[i])) { 3807 // Ignore entries which are not apk's 3808 continue; 3809 } 3810 PackageParser.Package pkg = scanPackageLI(file, 3811 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 3812 // Don't mess around with apps in system partition. 3813 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3814 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3815 // Delete the apk 3816 Slog.w(TAG, "Cleaning up failed install of " + file); 3817 file.delete(); 3818 } 3819 } 3820 } 3821 3822 private static File getSettingsProblemFile() { 3823 File dataDir = Environment.getDataDirectory(); 3824 File systemDir = new File(dataDir, "system"); 3825 File fname = new File(systemDir, "uiderrors.txt"); 3826 return fname; 3827 } 3828 3829 static void reportSettingsProblem(int priority, String msg) { 3830 try { 3831 File fname = getSettingsProblemFile(); 3832 FileOutputStream out = new FileOutputStream(fname, true); 3833 PrintWriter pw = new FastPrintWriter(out); 3834 SimpleDateFormat formatter = new SimpleDateFormat(); 3835 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3836 pw.println(dateString + ": " + msg); 3837 pw.close(); 3838 FileUtils.setPermissions( 3839 fname.toString(), 3840 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3841 -1, -1); 3842 } catch (java.io.IOException e) { 3843 } 3844 Slog.println(priority, TAG, msg); 3845 } 3846 3847 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3848 PackageParser.Package pkg, File srcFile, int parseFlags) { 3849 if (GET_CERTIFICATES) { 3850 if (ps != null 3851 && ps.codePath.equals(srcFile) 3852 && ps.timeStamp == srcFile.lastModified()) { 3853 if (ps.signatures.mSignatures != null 3854 && ps.signatures.mSignatures.length != 0) { 3855 // Optimization: reuse the existing cached certificates 3856 // if the package appears to be unchanged. 3857 pkg.mSignatures = ps.signatures.mSignatures; 3858 return true; 3859 } 3860 3861 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3862 } else { 3863 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3864 } 3865 3866 if (!pp.collectCertificates(pkg, parseFlags)) { 3867 mLastScanError = pp.getParseError(); 3868 return false; 3869 } 3870 } 3871 return true; 3872 } 3873 3874 /* 3875 * Scan a package and return the newly parsed package. 3876 * Returns null in case of errors and the error code is stored in mLastScanError 3877 */ 3878 private PackageParser.Package scanPackageLI(File scanFile, 3879 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 3880 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3881 String scanPath = scanFile.getPath(); 3882 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3883 parseFlags |= mDefParseFlags; 3884 PackageParser pp = new PackageParser(scanPath); 3885 pp.setSeparateProcesses(mSeparateProcesses); 3886 pp.setOnlyCoreApps(mOnlyCore); 3887 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3888 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3889 3890 if (pkg == null) { 3891 mLastScanError = pp.getParseError(); 3892 return null; 3893 } 3894 3895 PackageSetting ps = null; 3896 PackageSetting updatedPkg; 3897 // reader 3898 synchronized (mPackages) { 3899 // Look to see if we already know about this package. 3900 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3901 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3902 // This package has been renamed to its original name. Let's 3903 // use that. 3904 ps = mSettings.peekPackageLPr(oldName); 3905 } 3906 // If there was no original package, see one for the real package name. 3907 if (ps == null) { 3908 ps = mSettings.peekPackageLPr(pkg.packageName); 3909 } 3910 // Check to see if this package could be hiding/updating a system 3911 // package. Must look for it either under the original or real 3912 // package name depending on our state. 3913 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3914 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3915 } 3916 boolean updatedPkgBetter = false; 3917 // First check if this is a system package that may involve an update 3918 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3919 if (ps != null && !ps.codePath.equals(scanFile)) { 3920 // The path has changed from what was last scanned... check the 3921 // version of the new path against what we have stored to determine 3922 // what to do. 3923 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3924 if (pkg.mVersionCode < ps.versionCode) { 3925 // The system package has been updated and the code path does not match 3926 // Ignore entry. Skip it. 3927 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3928 + " ignored: updated version " + ps.versionCode 3929 + " better than this " + pkg.mVersionCode); 3930 if (!updatedPkg.codePath.equals(scanFile)) { 3931 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3932 + ps.name + " changing from " + updatedPkg.codePathString 3933 + " to " + scanFile); 3934 updatedPkg.codePath = scanFile; 3935 updatedPkg.codePathString = scanFile.toString(); 3936 // This is the point at which we know that the system-disk APK 3937 // for this package has moved during a reboot (e.g. due to an OTA), 3938 // so we need to reevaluate it for privilege policy. 3939 if (locationIsPrivileged(scanFile)) { 3940 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3941 } 3942 } 3943 updatedPkg.pkg = pkg; 3944 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3945 return null; 3946 } else { 3947 // The current app on the system partition is better than 3948 // what we have updated to on the data partition; switch 3949 // back to the system partition version. 3950 // At this point, its safely assumed that package installation for 3951 // apps in system partition will go through. If not there won't be a working 3952 // version of the app 3953 // writer 3954 synchronized (mPackages) { 3955 // Just remove the loaded entries from package lists. 3956 mPackages.remove(ps.name); 3957 } 3958 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3959 + "reverting from " + ps.codePathString 3960 + ": new version " + pkg.mVersionCode 3961 + " better than installed " + ps.versionCode); 3962 3963 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3964 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 3965 getAppInstructionSetFromSettings(ps)); 3966 synchronized (mInstallLock) { 3967 args.cleanUpResourcesLI(); 3968 } 3969 synchronized (mPackages) { 3970 mSettings.enableSystemPackageLPw(ps.name); 3971 } 3972 updatedPkgBetter = true; 3973 } 3974 } 3975 } 3976 3977 if (updatedPkg != null) { 3978 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3979 // initially 3980 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3981 3982 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3983 // flag set initially 3984 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3985 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3986 } 3987 } 3988 // Verify certificates against what was last scanned 3989 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3990 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3991 return null; 3992 } 3993 3994 /* 3995 * A new system app appeared, but we already had a non-system one of the 3996 * same name installed earlier. 3997 */ 3998 boolean shouldHideSystemApp = false; 3999 if (updatedPkg == null && ps != null 4000 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4001 /* 4002 * Check to make sure the signatures match first. If they don't, 4003 * wipe the installed application and its data. 4004 */ 4005 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4006 != PackageManager.SIGNATURE_MATCH) { 4007 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4008 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4009 ps = null; 4010 } else { 4011 /* 4012 * If the newly-added system app is an older version than the 4013 * already installed version, hide it. It will be scanned later 4014 * and re-added like an update. 4015 */ 4016 if (pkg.mVersionCode < ps.versionCode) { 4017 shouldHideSystemApp = true; 4018 } else { 4019 /* 4020 * The newly found system app is a newer version that the 4021 * one previously installed. Simply remove the 4022 * already-installed application and replace it with our own 4023 * while keeping the application data. 4024 */ 4025 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4026 + ps.codePathString + ": new version " + pkg.mVersionCode 4027 + " better than installed " + ps.versionCode); 4028 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4029 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4030 getAppInstructionSetFromSettings(ps)); 4031 synchronized (mInstallLock) { 4032 args.cleanUpResourcesLI(); 4033 } 4034 } 4035 } 4036 } 4037 4038 // The apk is forward locked (not public) if its code and resources 4039 // are kept in different files. (except for app in either system or 4040 // vendor path). 4041 // TODO grab this value from PackageSettings 4042 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4043 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4044 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4045 } 4046 } 4047 4048 String codePath = null; 4049 String resPath = null; 4050 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4051 if (ps != null && ps.resourcePathString != null) { 4052 resPath = ps.resourcePathString; 4053 } else { 4054 // Should not happen at all. Just log an error. 4055 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4056 } 4057 } else { 4058 resPath = pkg.mScanPath; 4059 } 4060 4061 codePath = pkg.mScanPath; 4062 // Set application objects path explicitly. 4063 setApplicationInfoPaths(pkg, codePath, resPath); 4064 // Note that we invoke the following method only if we are about to unpack an application 4065 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4066 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4067 4068 /* 4069 * If the system app should be overridden by a previously installed 4070 * data, hide the system app now and let the /data/app scan pick it up 4071 * again. 4072 */ 4073 if (shouldHideSystemApp) { 4074 synchronized (mPackages) { 4075 /* 4076 * We have to grant systems permissions before we hide, because 4077 * grantPermissions will assume the package update is trying to 4078 * expand its permissions. 4079 */ 4080 grantPermissionsLPw(pkg, true); 4081 mSettings.disableSystemPackageLPw(pkg.packageName); 4082 } 4083 } 4084 4085 return scannedPkg; 4086 } 4087 4088 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4089 String destResPath) { 4090 pkg.mPath = pkg.mScanPath = destCodePath; 4091 pkg.applicationInfo.sourceDir = destCodePath; 4092 pkg.applicationInfo.publicSourceDir = destResPath; 4093 } 4094 4095 private static String fixProcessName(String defProcessName, 4096 String processName, int uid) { 4097 if (processName == null) { 4098 return defProcessName; 4099 } 4100 return processName; 4101 } 4102 4103 private boolean verifySignaturesLP(PackageSetting pkgSetting, 4104 PackageParser.Package pkg) { 4105 if (pkgSetting.signatures.mSignatures != null) { 4106 // Already existing package. Make sure signatures match 4107 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 4108 PackageManager.SIGNATURE_MATCH) { 4109 Slog.e(TAG, "Package " + pkg.packageName 4110 + " signatures do not match the previously installed version; ignoring!"); 4111 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4112 return false; 4113 } 4114 } 4115 // Check for shared user signatures 4116 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4117 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4118 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4119 Slog.e(TAG, "Package " + pkg.packageName 4120 + " has no signatures that match those in shared user " 4121 + pkgSetting.sharedUser.name + "; ignoring!"); 4122 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4123 return false; 4124 } 4125 } 4126 return true; 4127 } 4128 4129 /** 4130 * Enforces that only the system UID or root's UID can call a method exposed 4131 * via Binder. 4132 * 4133 * @param message used as message if SecurityException is thrown 4134 * @throws SecurityException if the caller is not system or root 4135 */ 4136 private static final void enforceSystemOrRoot(String message) { 4137 final int uid = Binder.getCallingUid(); 4138 if (uid != Process.SYSTEM_UID && uid != 0) { 4139 throw new SecurityException(message); 4140 } 4141 } 4142 4143 @Override 4144 public void performBootDexOpt() { 4145 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4146 4147 final HashSet<PackageParser.Package> pkgs; 4148 synchronized (mPackages) { 4149 pkgs = mDeferredDexOpt; 4150 mDeferredDexOpt = null; 4151 } 4152 4153 if (pkgs != null) { 4154 // Filter out packages that aren't recently used. 4155 // 4156 // The exception is first boot of a non-eng device, which 4157 // should do a full dexopt. 4158 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4159 if (eng || !isFirstBoot()) { 4160 // TODO: add a property to control this? 4161 long dexOptLRUThresholdInMinutes; 4162 if (eng) { 4163 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4164 } else { 4165 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4166 } 4167 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4168 4169 int total = pkgs.size(); 4170 int skipped = 0; 4171 long now = System.currentTimeMillis(); 4172 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4173 PackageParser.Package pkg = i.next(); 4174 long then = pkg.mLastPackageUsageTimeInMills; 4175 if (then + dexOptLRUThresholdInMills < now) { 4176 if (DEBUG_DEXOPT) { 4177 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4178 ((then == 0) ? "never" : new Date(then))); 4179 } 4180 i.remove(); 4181 skipped++; 4182 } 4183 } 4184 if (DEBUG_DEXOPT) { 4185 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4186 } 4187 } 4188 4189 int i = 0; 4190 for (PackageParser.Package pkg : pkgs) { 4191 i++; 4192 if (DEBUG_DEXOPT) { 4193 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4194 + ": " + pkg.packageName); 4195 } 4196 if (!isFirstBoot()) { 4197 try { 4198 ActivityManagerNative.getDefault().showBootMessage( 4199 mContext.getResources().getString( 4200 R.string.android_upgrading_apk, 4201 i, pkgs.size()), true); 4202 } catch (RemoteException e) { 4203 } 4204 } 4205 PackageParser.Package p = pkg; 4206 synchronized (mInstallLock) { 4207 if (p.mDexOptNeeded) { 4208 performDexOptLI(p, false /* force dex */, false /* defer */, 4209 true /* include dependencies */); 4210 } 4211 } 4212 } 4213 } 4214 } 4215 4216 @Override 4217 public boolean performDexOpt(String packageName) { 4218 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4219 return performDexOpt(packageName, true); 4220 } 4221 4222 public boolean performDexOpt(String packageName, boolean updateUsage) { 4223 4224 PackageParser.Package p; 4225 synchronized (mPackages) { 4226 p = mPackages.get(packageName); 4227 if (p == null) { 4228 return false; 4229 } 4230 if (updateUsage) { 4231 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4232 } 4233 mPackageUsage.write(false); 4234 if (!p.mDexOptNeeded) { 4235 return false; 4236 } 4237 } 4238 4239 synchronized (mInstallLock) { 4240 return performDexOptLI(p, false /* force dex */, false /* defer */, 4241 true /* include dependencies */) == DEX_OPT_PERFORMED; 4242 } 4243 } 4244 4245 public HashSet<String> getPackagesThatNeedDexOpt() { 4246 HashSet<String> pkgs = null; 4247 synchronized (mPackages) { 4248 for (PackageParser.Package p : mPackages.values()) { 4249 if (DEBUG_DEXOPT) { 4250 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4251 } 4252 if (!p.mDexOptNeeded) { 4253 continue; 4254 } 4255 if (pkgs == null) { 4256 pkgs = new HashSet<String>(); 4257 } 4258 pkgs.add(p.packageName); 4259 } 4260 } 4261 return pkgs; 4262 } 4263 4264 public void shutdown() { 4265 mPackageUsage.write(true); 4266 } 4267 4268 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4269 boolean forceDex, boolean defer, HashSet<String> done) { 4270 for (int i=0; i<libs.size(); i++) { 4271 PackageParser.Package libPkg; 4272 String libName; 4273 synchronized (mPackages) { 4274 libName = libs.get(i); 4275 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4276 if (lib != null && lib.apk != null) { 4277 libPkg = mPackages.get(lib.apk); 4278 } else { 4279 libPkg = null; 4280 } 4281 } 4282 if (libPkg != null && !done.contains(libName)) { 4283 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4284 } 4285 } 4286 } 4287 4288 static final int DEX_OPT_SKIPPED = 0; 4289 static final int DEX_OPT_PERFORMED = 1; 4290 static final int DEX_OPT_DEFERRED = 2; 4291 static final int DEX_OPT_FAILED = -1; 4292 4293 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4294 boolean forceDex, boolean defer, HashSet<String> done) { 4295 final String instructionSet = instructionSetOverride != null ? 4296 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4297 4298 if (done != null) { 4299 done.add(pkg.packageName); 4300 if (pkg.usesLibraries != null) { 4301 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4302 } 4303 if (pkg.usesOptionalLibraries != null) { 4304 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4305 } 4306 } 4307 4308 boolean performed = false; 4309 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4310 String path = pkg.mScanPath; 4311 try { 4312 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4313 pkg.packageName, 4314 instructionSet, 4315 defer); 4316 // There are three basic cases here: 4317 // 1.) we need to dexopt, either because we are forced or it is needed 4318 // 2.) we are defering a needed dexopt 4319 // 3.) we are skipping an unneeded dexopt 4320 if (forceDex || (!defer && isDexOptNeededInternal)) { 4321 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4322 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4323 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4324 pkg.packageName, instructionSet); 4325 // Note that we ran dexopt, since rerunning will 4326 // probably just result in an error again. 4327 pkg.mDexOptNeeded = false; 4328 if (ret < 0) { 4329 return DEX_OPT_FAILED; 4330 } 4331 return DEX_OPT_PERFORMED; 4332 } 4333 if (defer && isDexOptNeededInternal) { 4334 if (mDeferredDexOpt == null) { 4335 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4336 } 4337 mDeferredDexOpt.add(pkg); 4338 return DEX_OPT_DEFERRED; 4339 } 4340 pkg.mDexOptNeeded = false; 4341 return DEX_OPT_SKIPPED; 4342 } catch (FileNotFoundException e) { 4343 Slog.w(TAG, "Apk not found for dexopt: " + path); 4344 return DEX_OPT_FAILED; 4345 } catch (IOException e) { 4346 Slog.w(TAG, "IOException reading apk: " + path, e); 4347 return DEX_OPT_FAILED; 4348 } catch (StaleDexCacheError e) { 4349 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4350 return DEX_OPT_FAILED; 4351 } catch (Exception e) { 4352 Slog.w(TAG, "Exception when doing dexopt : ", e); 4353 return DEX_OPT_FAILED; 4354 } 4355 } 4356 return DEX_OPT_SKIPPED; 4357 } 4358 4359 private String getAppInstructionSet(ApplicationInfo info) { 4360 String instructionSet = getPreferredInstructionSet(); 4361 4362 if (info.cpuAbi != null) { 4363 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4364 } 4365 4366 return instructionSet; 4367 } 4368 4369 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4370 String instructionSet = getPreferredInstructionSet(); 4371 4372 if (ps.cpuAbiString != null) { 4373 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4374 } 4375 4376 return instructionSet; 4377 } 4378 4379 private static String getPreferredInstructionSet() { 4380 if (sPreferredInstructionSet == null) { 4381 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4382 } 4383 4384 return sPreferredInstructionSet; 4385 } 4386 4387 private static List<String> getAllInstructionSets() { 4388 final String[] allAbis = Build.SUPPORTED_ABIS; 4389 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4390 4391 for (String abi : allAbis) { 4392 final String instructionSet = VMRuntime.getInstructionSet(abi); 4393 if (!allInstructionSets.contains(instructionSet)) { 4394 allInstructionSets.add(instructionSet); 4395 } 4396 } 4397 4398 return allInstructionSets; 4399 } 4400 4401 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4402 boolean inclDependencies) { 4403 HashSet<String> done; 4404 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4405 done = new HashSet<String>(); 4406 done.add(pkg.packageName); 4407 } else { 4408 done = null; 4409 } 4410 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4411 } 4412 4413 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4414 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4415 Slog.w(TAG, "Unable to update from " + oldPkg.name 4416 + " to " + newPkg.packageName 4417 + ": old package not in system partition"); 4418 return false; 4419 } else if (mPackages.get(oldPkg.name) != null) { 4420 Slog.w(TAG, "Unable to update from " + oldPkg.name 4421 + " to " + newPkg.packageName 4422 + ": old package still exists"); 4423 return false; 4424 } 4425 return true; 4426 } 4427 4428 File getDataPathForUser(int userId) { 4429 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4430 } 4431 4432 private File getDataPathForPackage(String packageName, int userId) { 4433 /* 4434 * Until we fully support multiple users, return the directory we 4435 * previously would have. The PackageManagerTests will need to be 4436 * revised when this is changed back.. 4437 */ 4438 if (userId == 0) { 4439 return new File(mAppDataDir, packageName); 4440 } else { 4441 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4442 + File.separator + packageName); 4443 } 4444 } 4445 4446 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4447 int[] users = sUserManager.getUserIds(); 4448 int res = mInstaller.install(packageName, uid, uid, seinfo); 4449 if (res < 0) { 4450 return res; 4451 } 4452 for (int user : users) { 4453 if (user != 0) { 4454 res = mInstaller.createUserData(packageName, 4455 UserHandle.getUid(user, uid), user, seinfo); 4456 if (res < 0) { 4457 return res; 4458 } 4459 } 4460 } 4461 return res; 4462 } 4463 4464 private int removeDataDirsLI(String packageName) { 4465 int[] users = sUserManager.getUserIds(); 4466 int res = 0; 4467 for (int user : users) { 4468 int resInner = mInstaller.remove(packageName, user); 4469 if (resInner < 0) { 4470 res = resInner; 4471 } 4472 } 4473 4474 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4475 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4476 if (!nativeLibraryFile.delete()) { 4477 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4478 } 4479 4480 return res; 4481 } 4482 4483 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4484 PackageParser.Package changingLib) { 4485 if (file.path != null) { 4486 mTmpSharedLibraries[num] = file.path; 4487 return num+1; 4488 } 4489 PackageParser.Package p = mPackages.get(file.apk); 4490 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4491 // If we are doing this while in the middle of updating a library apk, 4492 // then we need to make sure to use that new apk for determining the 4493 // dependencies here. (We haven't yet finished committing the new apk 4494 // to the package manager state.) 4495 if (p == null || p.packageName.equals(changingLib.packageName)) { 4496 p = changingLib; 4497 } 4498 } 4499 if (p != null) { 4500 String path = p.mPath; 4501 for (int i=0; i<num; i++) { 4502 if (mTmpSharedLibraries[i].equals(path)) { 4503 return num; 4504 } 4505 } 4506 mTmpSharedLibraries[num] = p.mPath; 4507 return num+1; 4508 } 4509 return num; 4510 } 4511 4512 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4513 PackageParser.Package changingLib) { 4514 // We might be upgrading from a version of the platform that did not 4515 // provide per-package native library directories for system apps. 4516 // Fix that up here. 4517 if (isSystemApp(pkg)) { 4518 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4519 setInternalAppNativeLibraryPath(pkg, ps); 4520 } 4521 4522 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4523 if (mTmpSharedLibraries == null || 4524 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4525 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4526 } 4527 int num = 0; 4528 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4529 for (int i=0; i<N; i++) { 4530 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4531 if (file == null) { 4532 Slog.e(TAG, "Package " + pkg.packageName 4533 + " requires unavailable shared library " 4534 + pkg.usesLibraries.get(i) + "; failing!"); 4535 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4536 return false; 4537 } 4538 num = addSharedLibraryLPw(file, num, changingLib); 4539 } 4540 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4541 for (int i=0; i<N; i++) { 4542 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4543 if (file == null) { 4544 Slog.w(TAG, "Package " + pkg.packageName 4545 + " desires unavailable shared library " 4546 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4547 } else { 4548 num = addSharedLibraryLPw(file, num, changingLib); 4549 } 4550 } 4551 if (num > 0) { 4552 pkg.usesLibraryFiles = new String[num]; 4553 System.arraycopy(mTmpSharedLibraries, 0, 4554 pkg.usesLibraryFiles, 0, num); 4555 } else { 4556 pkg.usesLibraryFiles = null; 4557 } 4558 } 4559 return true; 4560 } 4561 4562 private static boolean hasString(List<String> list, List<String> which) { 4563 if (list == null) { 4564 return false; 4565 } 4566 for (int i=list.size()-1; i>=0; i--) { 4567 for (int j=which.size()-1; j>=0; j--) { 4568 if (which.get(j).equals(list.get(i))) { 4569 return true; 4570 } 4571 } 4572 } 4573 return false; 4574 } 4575 4576 private void updateAllSharedLibrariesLPw() { 4577 for (PackageParser.Package pkg : mPackages.values()) { 4578 updateSharedLibrariesLPw(pkg, null); 4579 } 4580 } 4581 4582 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4583 PackageParser.Package changingPkg) { 4584 ArrayList<PackageParser.Package> res = null; 4585 for (PackageParser.Package pkg : mPackages.values()) { 4586 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4587 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4588 if (res == null) { 4589 res = new ArrayList<PackageParser.Package>(); 4590 } 4591 res.add(pkg); 4592 updateSharedLibrariesLPw(pkg, changingPkg); 4593 } 4594 } 4595 return res; 4596 } 4597 4598 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4599 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4600 File scanFile = new File(pkg.mScanPath); 4601 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4602 pkg.applicationInfo.publicSourceDir == null) { 4603 // Bail out. The resource and code paths haven't been set. 4604 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4605 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4606 return null; 4607 } 4608 4609 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4610 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4611 } 4612 4613 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4614 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4615 } 4616 4617 if (mCustomResolverComponentName != null && 4618 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4619 setUpCustomResolverActivity(pkg); 4620 } 4621 4622 if (pkg.packageName.equals("android")) { 4623 synchronized (mPackages) { 4624 if (mAndroidApplication != null) { 4625 Slog.w(TAG, "*************************************************"); 4626 Slog.w(TAG, "Core android package being redefined. Skipping."); 4627 Slog.w(TAG, " file=" + scanFile); 4628 Slog.w(TAG, "*************************************************"); 4629 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4630 return null; 4631 } 4632 4633 // Set up information for our fall-back user intent resolution activity. 4634 mPlatformPackage = pkg; 4635 pkg.mVersionCode = mSdkVersion; 4636 mAndroidApplication = pkg.applicationInfo; 4637 4638 if (!mResolverReplaced) { 4639 mResolveActivity.applicationInfo = mAndroidApplication; 4640 mResolveActivity.name = ResolverActivity.class.getName(); 4641 mResolveActivity.packageName = mAndroidApplication.packageName; 4642 mResolveActivity.processName = "system:ui"; 4643 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4644 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4645 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4646 mResolveActivity.exported = true; 4647 mResolveActivity.enabled = true; 4648 mResolveInfo.activityInfo = mResolveActivity; 4649 mResolveInfo.priority = 0; 4650 mResolveInfo.preferredOrder = 0; 4651 mResolveInfo.match = 0; 4652 mResolveComponentName = new ComponentName( 4653 mAndroidApplication.packageName, mResolveActivity.name); 4654 } 4655 } 4656 } 4657 4658 if (DEBUG_PACKAGE_SCANNING) { 4659 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4660 Log.d(TAG, "Scanning package " + pkg.packageName); 4661 } 4662 4663 if (mPackages.containsKey(pkg.packageName) 4664 || mSharedLibraries.containsKey(pkg.packageName)) { 4665 Slog.w(TAG, "Application package " + pkg.packageName 4666 + " already installed. Skipping duplicate."); 4667 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4668 return null; 4669 } 4670 4671 // Initialize package source and resource directories 4672 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4673 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4674 4675 SharedUserSetting suid = null; 4676 PackageSetting pkgSetting = null; 4677 4678 if (!isSystemApp(pkg)) { 4679 // Only system apps can use these features. 4680 pkg.mOriginalPackages = null; 4681 pkg.mRealPackage = null; 4682 pkg.mAdoptPermissions = null; 4683 } 4684 4685 // writer 4686 synchronized (mPackages) { 4687 if (pkg.mSharedUserId != null) { 4688 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4689 if (suid == null) { 4690 Slog.w(TAG, "Creating application package " + pkg.packageName 4691 + " for shared user failed"); 4692 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4693 return null; 4694 } 4695 if (DEBUG_PACKAGE_SCANNING) { 4696 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4697 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4698 + "): packages=" + suid.packages); 4699 } 4700 } 4701 4702 // Check if we are renaming from an original package name. 4703 PackageSetting origPackage = null; 4704 String realName = null; 4705 if (pkg.mOriginalPackages != null) { 4706 // This package may need to be renamed to a previously 4707 // installed name. Let's check on that... 4708 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4709 if (pkg.mOriginalPackages.contains(renamed)) { 4710 // This package had originally been installed as the 4711 // original name, and we have already taken care of 4712 // transitioning to the new one. Just update the new 4713 // one to continue using the old name. 4714 realName = pkg.mRealPackage; 4715 if (!pkg.packageName.equals(renamed)) { 4716 // Callers into this function may have already taken 4717 // care of renaming the package; only do it here if 4718 // it is not already done. 4719 pkg.setPackageName(renamed); 4720 } 4721 4722 } else { 4723 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4724 if ((origPackage = mSettings.peekPackageLPr( 4725 pkg.mOriginalPackages.get(i))) != null) { 4726 // We do have the package already installed under its 4727 // original name... should we use it? 4728 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4729 // New package is not compatible with original. 4730 origPackage = null; 4731 continue; 4732 } else if (origPackage.sharedUser != null) { 4733 // Make sure uid is compatible between packages. 4734 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4735 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4736 + " to " + pkg.packageName + ": old uid " 4737 + origPackage.sharedUser.name 4738 + " differs from " + pkg.mSharedUserId); 4739 origPackage = null; 4740 continue; 4741 } 4742 } else { 4743 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4744 + pkg.packageName + " to old name " + origPackage.name); 4745 } 4746 break; 4747 } 4748 } 4749 } 4750 } 4751 4752 if (mTransferedPackages.contains(pkg.packageName)) { 4753 Slog.w(TAG, "Package " + pkg.packageName 4754 + " was transferred to another, but its .apk remains"); 4755 } 4756 4757 // Just create the setting, don't add it yet. For already existing packages 4758 // the PkgSetting exists already and doesn't have to be created. 4759 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4760 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4761 pkg.applicationInfo.cpuAbi, 4762 pkg.applicationInfo.flags, user, false); 4763 if (pkgSetting == null) { 4764 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4765 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4766 return null; 4767 } 4768 4769 if (pkgSetting.origPackage != null) { 4770 // If we are first transitioning from an original package, 4771 // fix up the new package's name now. We need to do this after 4772 // looking up the package under its new name, so getPackageLP 4773 // can take care of fiddling things correctly. 4774 pkg.setPackageName(origPackage.name); 4775 4776 // File a report about this. 4777 String msg = "New package " + pkgSetting.realName 4778 + " renamed to replace old package " + pkgSetting.name; 4779 reportSettingsProblem(Log.WARN, msg); 4780 4781 // Make a note of it. 4782 mTransferedPackages.add(origPackage.name); 4783 4784 // No longer need to retain this. 4785 pkgSetting.origPackage = null; 4786 } 4787 4788 if (realName != null) { 4789 // Make a note of it. 4790 mTransferedPackages.add(pkg.packageName); 4791 } 4792 4793 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4794 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4795 } 4796 4797 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4798 // Check all shared libraries and map to their actual file path. 4799 // We only do this here for apps not on a system dir, because those 4800 // are the only ones that can fail an install due to this. We 4801 // will take care of the system apps by updating all of their 4802 // library paths after the scan is done. 4803 if (!updateSharedLibrariesLPw(pkg, null)) { 4804 return null; 4805 } 4806 } 4807 4808 if (mFoundPolicyFile) { 4809 SELinuxMMAC.assignSeinfoValue(pkg); 4810 } 4811 4812 pkg.applicationInfo.uid = pkgSetting.appId; 4813 pkg.mExtras = pkgSetting; 4814 4815 if (!verifySignaturesLP(pkgSetting, pkg)) { 4816 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4817 return null; 4818 } 4819 // The signature has changed, but this package is in the system 4820 // image... let's recover! 4821 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4822 // However... if this package is part of a shared user, but it 4823 // doesn't match the signature of the shared user, let's fail. 4824 // What this means is that you can't change the signatures 4825 // associated with an overall shared user, which doesn't seem all 4826 // that unreasonable. 4827 if (pkgSetting.sharedUser != null) { 4828 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4829 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4830 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4831 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4832 return null; 4833 } 4834 } 4835 // File a report about this. 4836 String msg = "System package " + pkg.packageName 4837 + " signature changed; retaining data."; 4838 reportSettingsProblem(Log.WARN, msg); 4839 } 4840 4841 // Verify that this new package doesn't have any content providers 4842 // that conflict with existing packages. Only do this if the 4843 // package isn't already installed, since we don't want to break 4844 // things that are installed. 4845 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4846 final int N = pkg.providers.size(); 4847 int i; 4848 for (i=0; i<N; i++) { 4849 PackageParser.Provider p = pkg.providers.get(i); 4850 if (p.info.authority != null) { 4851 String names[] = p.info.authority.split(";"); 4852 for (int j = 0; j < names.length; j++) { 4853 if (mProvidersByAuthority.containsKey(names[j])) { 4854 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4855 Slog.w(TAG, "Can't install because provider name " + names[j] + 4856 " (in package " + pkg.applicationInfo.packageName + 4857 ") is already used by " 4858 + ((other != null && other.getComponentName() != null) 4859 ? other.getComponentName().getPackageName() : "?")); 4860 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4861 return null; 4862 } 4863 } 4864 } 4865 } 4866 } 4867 4868 if (pkg.mAdoptPermissions != null) { 4869 // This package wants to adopt ownership of permissions from 4870 // another package. 4871 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4872 final String origName = pkg.mAdoptPermissions.get(i); 4873 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4874 if (orig != null) { 4875 if (verifyPackageUpdateLPr(orig, pkg)) { 4876 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4877 + pkg.packageName); 4878 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4879 } 4880 } 4881 } 4882 } 4883 } 4884 4885 final String pkgName = pkg.packageName; 4886 4887 final long scanFileTime = scanFile.lastModified(); 4888 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4889 pkg.applicationInfo.processName = fixProcessName( 4890 pkg.applicationInfo.packageName, 4891 pkg.applicationInfo.processName, 4892 pkg.applicationInfo.uid); 4893 4894 File dataPath; 4895 if (mPlatformPackage == pkg) { 4896 // The system package is special. 4897 dataPath = new File (Environment.getDataDirectory(), "system"); 4898 pkg.applicationInfo.dataDir = dataPath.getPath(); 4899 } else { 4900 // This is a normal package, need to make its data directory. 4901 dataPath = getDataPathForPackage(pkg.packageName, 0); 4902 4903 boolean uidError = false; 4904 4905 if (dataPath.exists()) { 4906 int currentUid = 0; 4907 try { 4908 StructStat stat = Os.stat(dataPath.getPath()); 4909 currentUid = stat.st_uid; 4910 } catch (ErrnoException e) { 4911 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4912 } 4913 4914 // If we have mismatched owners for the data path, we have a problem. 4915 if (currentUid != pkg.applicationInfo.uid) { 4916 boolean recovered = false; 4917 if (currentUid == 0) { 4918 // The directory somehow became owned by root. Wow. 4919 // This is probably because the system was stopped while 4920 // installd was in the middle of messing with its libs 4921 // directory. Ask installd to fix that. 4922 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4923 pkg.applicationInfo.uid); 4924 if (ret >= 0) { 4925 recovered = true; 4926 String msg = "Package " + pkg.packageName 4927 + " unexpectedly changed to uid 0; recovered to " + 4928 + pkg.applicationInfo.uid; 4929 reportSettingsProblem(Log.WARN, msg); 4930 } 4931 } 4932 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4933 || (scanMode&SCAN_BOOTING) != 0)) { 4934 // If this is a system app, we can at least delete its 4935 // current data so the application will still work. 4936 int ret = removeDataDirsLI(pkgName); 4937 if (ret >= 0) { 4938 // TODO: Kill the processes first 4939 // Old data gone! 4940 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4941 ? "System package " : "Third party package "; 4942 String msg = prefix + pkg.packageName 4943 + " has changed from uid: " 4944 + currentUid + " to " 4945 + pkg.applicationInfo.uid + "; old data erased"; 4946 reportSettingsProblem(Log.WARN, msg); 4947 recovered = true; 4948 4949 // And now re-install the app. 4950 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4951 pkg.applicationInfo.seinfo); 4952 if (ret == -1) { 4953 // Ack should not happen! 4954 msg = prefix + pkg.packageName 4955 + " could not have data directory re-created after delete."; 4956 reportSettingsProblem(Log.WARN, msg); 4957 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4958 return null; 4959 } 4960 } 4961 if (!recovered) { 4962 mHasSystemUidErrors = true; 4963 } 4964 } else if (!recovered) { 4965 // If we allow this install to proceed, we will be broken. 4966 // Abort, abort! 4967 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4968 return null; 4969 } 4970 if (!recovered) { 4971 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4972 + pkg.applicationInfo.uid + "/fs_" 4973 + currentUid; 4974 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4975 String msg = "Package " + pkg.packageName 4976 + " has mismatched uid: " 4977 + currentUid + " on disk, " 4978 + pkg.applicationInfo.uid + " in settings"; 4979 // writer 4980 synchronized (mPackages) { 4981 mSettings.mReadMessages.append(msg); 4982 mSettings.mReadMessages.append('\n'); 4983 uidError = true; 4984 if (!pkgSetting.uidError) { 4985 reportSettingsProblem(Log.ERROR, msg); 4986 } 4987 } 4988 } 4989 } 4990 pkg.applicationInfo.dataDir = dataPath.getPath(); 4991 if (mShouldRestoreconData) { 4992 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4993 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4994 pkg.applicationInfo.uid); 4995 } 4996 } else { 4997 if (DEBUG_PACKAGE_SCANNING) { 4998 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4999 Log.v(TAG, "Want this data dir: " + dataPath); 5000 } 5001 //invoke installer to do the actual installation 5002 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5003 pkg.applicationInfo.seinfo); 5004 if (ret < 0) { 5005 // Error from installer 5006 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5007 return null; 5008 } 5009 5010 if (dataPath.exists()) { 5011 pkg.applicationInfo.dataDir = dataPath.getPath(); 5012 } else { 5013 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5014 pkg.applicationInfo.dataDir = null; 5015 } 5016 } 5017 5018 /* 5019 * Set the data dir to the default "/data/data/<package name>/lib" 5020 * if we got here without anyone telling us different (e.g., apps 5021 * stored on SD card have their native libraries stored in the ASEC 5022 * container with the APK). 5023 * 5024 * This happens during an upgrade from a package settings file that 5025 * doesn't have a native library path attribute at all. 5026 */ 5027 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5028 if (pkgSetting.nativeLibraryPathString == null) { 5029 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5030 } else { 5031 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5032 } 5033 } 5034 pkgSetting.uidError = uidError; 5035 } 5036 5037 String path = scanFile.getPath(); 5038 /* Note: We don't want to unpack the native binaries for 5039 * system applications, unless they have been updated 5040 * (the binaries are already under /system/lib). 5041 * Also, don't unpack libs for apps on the external card 5042 * since they should have their libraries in the ASEC 5043 * container already. 5044 * 5045 * In other words, we're going to unpack the binaries 5046 * only for non-system apps and system app upgrades. 5047 */ 5048 if (pkg.applicationInfo.nativeLibraryDir != null) { 5049 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5050 try { 5051 // Enable gross and lame hacks for apps that are built with old 5052 // SDK tools. We must scan their APKs for renderscript bitcode and 5053 // not launch them if it's present. Don't bother checking on devices 5054 // that don't have 64 bit support. 5055 String[] abiList = Build.SUPPORTED_ABIS; 5056 boolean hasLegacyRenderscriptBitcode = false; 5057 if (abiOverride != null) { 5058 abiList = new String[] { abiOverride }; 5059 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5060 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5061 abiList = Build.SUPPORTED_32_BIT_ABIS; 5062 hasLegacyRenderscriptBitcode = true; 5063 } 5064 5065 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5066 final String dataPathString = dataPath.getCanonicalPath(); 5067 5068 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5069 /* 5070 * Upgrading from a previous version of the OS sometimes 5071 * leaves native libraries in the /data/data/<app>/lib 5072 * directory for system apps even when they shouldn't be. 5073 * Recent changes in the JNI library search path 5074 * necessitates we remove those to match previous behavior. 5075 */ 5076 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5077 Log.i(TAG, "removed obsolete native libraries for system package " 5078 + path); 5079 } 5080 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5081 pkg.applicationInfo.cpuAbi = abiList[0]; 5082 pkgSetting.cpuAbiString = abiList[0]; 5083 } else { 5084 setInternalAppAbi(pkg, pkgSetting); 5085 } 5086 } else { 5087 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5088 /* 5089 * Update native library dir if it starts with 5090 * /data/data 5091 */ 5092 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5093 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5094 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5095 } 5096 5097 try { 5098 int copyRet = copyNativeLibrariesForInternalApp(handle, 5099 nativeLibraryDir, abiList); 5100 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5101 Slog.e(TAG, "Unable to copy native libraries"); 5102 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5103 return null; 5104 } 5105 5106 // We've successfully copied native libraries across, so we make a 5107 // note of what ABI we're using 5108 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5109 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5110 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5111 pkg.applicationInfo.cpuAbi = abiList[0]; 5112 } else { 5113 pkg.applicationInfo.cpuAbi = null; 5114 } 5115 } catch (IOException e) { 5116 Slog.e(TAG, "Unable to copy native libraries", e); 5117 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5118 return null; 5119 } 5120 } else { 5121 // We don't have to copy the shared libraries if we're in the ASEC container 5122 // but we still need to scan the file to figure out what ABI the app needs. 5123 // 5124 // TODO: This duplicates work done in the default container service. It's possible 5125 // to clean this up but we'll need to change the interface between this service 5126 // and IMediaContainerService (but doing so will spread this logic out, rather 5127 // than centralizing it). 5128 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5129 if (abi >= 0) { 5130 pkg.applicationInfo.cpuAbi = abiList[abi]; 5131 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5132 // Note that (non upgraded) system apps will not have any native 5133 // libraries bundled in their APK, but we're guaranteed not to be 5134 // such an app at this point. 5135 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5136 pkg.applicationInfo.cpuAbi = abiList[0]; 5137 } else { 5138 pkg.applicationInfo.cpuAbi = null; 5139 } 5140 } else { 5141 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5142 return null; 5143 } 5144 } 5145 5146 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5147 final int[] userIds = sUserManager.getUserIds(); 5148 synchronized (mInstallLock) { 5149 for (int userId : userIds) { 5150 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5151 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5152 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5153 + ")"); 5154 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5155 return null; 5156 } 5157 } 5158 } 5159 } 5160 5161 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5162 } catch (IOException ioe) { 5163 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5164 } finally { 5165 handle.close(); 5166 } 5167 } 5168 pkg.mScanPath = path; 5169 5170 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5171 // We don't do this here during boot because we can do it all 5172 // at once after scanning all existing packages. 5173 // 5174 // We also do this *before* we perform dexopt on this package, so that 5175 // we can avoid redundant dexopts, and also to make sure we've got the 5176 // code and package path correct. 5177 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5178 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5179 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5180 return null; 5181 } 5182 } 5183 5184 if ((scanMode&SCAN_NO_DEX) == 0) { 5185 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5186 == DEX_OPT_FAILED) { 5187 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5188 removeDataDirsLI(pkg.packageName); 5189 } 5190 5191 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5192 return null; 5193 } 5194 } 5195 5196 if (mFactoryTest && pkg.requestedPermissions.contains( 5197 android.Manifest.permission.FACTORY_TEST)) { 5198 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5199 } 5200 5201 ArrayList<PackageParser.Package> clientLibPkgs = null; 5202 5203 // writer 5204 synchronized (mPackages) { 5205 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5206 // Only system apps can add new shared libraries. 5207 if (pkg.libraryNames != null) { 5208 for (int i=0; i<pkg.libraryNames.size(); i++) { 5209 String name = pkg.libraryNames.get(i); 5210 boolean allowed = false; 5211 if (isUpdatedSystemApp(pkg)) { 5212 // New library entries can only be added through the 5213 // system image. This is important to get rid of a lot 5214 // of nasty edge cases: for example if we allowed a non- 5215 // system update of the app to add a library, then uninstalling 5216 // the update would make the library go away, and assumptions 5217 // we made such as through app install filtering would now 5218 // have allowed apps on the device which aren't compatible 5219 // with it. Better to just have the restriction here, be 5220 // conservative, and create many fewer cases that can negatively 5221 // impact the user experience. 5222 final PackageSetting sysPs = mSettings 5223 .getDisabledSystemPkgLPr(pkg.packageName); 5224 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5225 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5226 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5227 allowed = true; 5228 allowed = true; 5229 break; 5230 } 5231 } 5232 } 5233 } else { 5234 allowed = true; 5235 } 5236 if (allowed) { 5237 if (!mSharedLibraries.containsKey(name)) { 5238 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5239 } else if (!name.equals(pkg.packageName)) { 5240 Slog.w(TAG, "Package " + pkg.packageName + " library " 5241 + name + " already exists; skipping"); 5242 } 5243 } else { 5244 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5245 + name + " that is not declared on system image; skipping"); 5246 } 5247 } 5248 if ((scanMode&SCAN_BOOTING) == 0) { 5249 // If we are not booting, we need to update any applications 5250 // that are clients of our shared library. If we are booting, 5251 // this will all be done once the scan is complete. 5252 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5253 } 5254 } 5255 } 5256 } 5257 5258 // We also need to dexopt any apps that are dependent on this library. Note that 5259 // if these fail, we should abort the install since installing the library will 5260 // result in some apps being broken. 5261 if (clientLibPkgs != null) { 5262 if ((scanMode&SCAN_NO_DEX) == 0) { 5263 for (int i=0; i<clientLibPkgs.size(); i++) { 5264 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5265 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5266 == DEX_OPT_FAILED) { 5267 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5268 removeDataDirsLI(pkg.packageName); 5269 } 5270 5271 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5272 return null; 5273 } 5274 } 5275 } 5276 } 5277 5278 // Request the ActivityManager to kill the process(only for existing packages) 5279 // so that we do not end up in a confused state while the user is still using the older 5280 // version of the application while the new one gets installed. 5281 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5282 // If the package lives in an asec, tell everyone that the container is going 5283 // away so they can clean up any references to its resources (which would prevent 5284 // vold from being able to unmount the asec) 5285 if (isForwardLocked(pkg) || isExternal(pkg)) { 5286 if (DEBUG_INSTALL) { 5287 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5288 } 5289 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5290 final ArrayList<String> pkgList = new ArrayList<String>(1); 5291 pkgList.add(pkg.applicationInfo.packageName); 5292 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5293 } 5294 5295 // Post the request that it be killed now that the going-away broadcast is en route 5296 killApplication(pkg.applicationInfo.packageName, 5297 pkg.applicationInfo.uid, "update pkg"); 5298 } 5299 5300 // Also need to kill any apps that are dependent on the library. 5301 if (clientLibPkgs != null) { 5302 for (int i=0; i<clientLibPkgs.size(); i++) { 5303 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5304 killApplication(clientPkg.applicationInfo.packageName, 5305 clientPkg.applicationInfo.uid, "update lib"); 5306 } 5307 } 5308 5309 // writer 5310 synchronized (mPackages) { 5311 // We don't expect installation to fail beyond this point, 5312 if ((scanMode&SCAN_MONITOR) != 0) { 5313 mAppDirs.put(pkg.mPath, pkg); 5314 } 5315 // Add the new setting to mSettings 5316 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5317 // Add the new setting to mPackages 5318 mPackages.put(pkg.applicationInfo.packageName, pkg); 5319 // Make sure we don't accidentally delete its data. 5320 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5321 while (iter.hasNext()) { 5322 PackageCleanItem item = iter.next(); 5323 if (pkgName.equals(item.packageName)) { 5324 iter.remove(); 5325 } 5326 } 5327 5328 // Take care of first install / last update times. 5329 if (currentTime != 0) { 5330 if (pkgSetting.firstInstallTime == 0) { 5331 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5332 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5333 pkgSetting.lastUpdateTime = currentTime; 5334 } 5335 } else if (pkgSetting.firstInstallTime == 0) { 5336 // We need *something*. Take time time stamp of the file. 5337 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5338 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5339 if (scanFileTime != pkgSetting.timeStamp) { 5340 // A package on the system image has changed; consider this 5341 // to be an update. 5342 pkgSetting.lastUpdateTime = scanFileTime; 5343 } 5344 } 5345 5346 // Add the package's KeySets to the global KeySetManager 5347 KeySetManager ksm = mSettings.mKeySetManager; 5348 try { 5349 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5350 if (pkg.mKeySetMapping != null) { 5351 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5352 if (entry.getValue() != null) { 5353 ksm.addDefinedKeySetToPackage(pkg.packageName, 5354 entry.getValue(), entry.getKey()); 5355 } 5356 } 5357 } 5358 } catch (NullPointerException e) { 5359 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5360 } catch (IllegalArgumentException e) { 5361 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5362 } 5363 5364 int N = pkg.providers.size(); 5365 StringBuilder r = null; 5366 int i; 5367 for (i=0; i<N; i++) { 5368 PackageParser.Provider p = pkg.providers.get(i); 5369 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5370 p.info.processName, pkg.applicationInfo.uid); 5371 mProviders.addProvider(p); 5372 p.syncable = p.info.isSyncable; 5373 if (p.info.authority != null) { 5374 String names[] = p.info.authority.split(";"); 5375 p.info.authority = null; 5376 for (int j = 0; j < names.length; j++) { 5377 if (j == 1 && p.syncable) { 5378 // We only want the first authority for a provider to possibly be 5379 // syncable, so if we already added this provider using a different 5380 // authority clear the syncable flag. We copy the provider before 5381 // changing it because the mProviders object contains a reference 5382 // to a provider that we don't want to change. 5383 // Only do this for the second authority since the resulting provider 5384 // object can be the same for all future authorities for this provider. 5385 p = new PackageParser.Provider(p); 5386 p.syncable = false; 5387 } 5388 if (!mProvidersByAuthority.containsKey(names[j])) { 5389 mProvidersByAuthority.put(names[j], p); 5390 if (p.info.authority == null) { 5391 p.info.authority = names[j]; 5392 } else { 5393 p.info.authority = p.info.authority + ";" + names[j]; 5394 } 5395 if (DEBUG_PACKAGE_SCANNING) { 5396 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5397 Log.d(TAG, "Registered content provider: " + names[j] 5398 + ", className = " + p.info.name + ", isSyncable = " 5399 + p.info.isSyncable); 5400 } 5401 } else { 5402 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5403 Slog.w(TAG, "Skipping provider name " + names[j] + 5404 " (in package " + pkg.applicationInfo.packageName + 5405 "): name already used by " 5406 + ((other != null && other.getComponentName() != null) 5407 ? other.getComponentName().getPackageName() : "?")); 5408 } 5409 } 5410 } 5411 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5412 if (r == null) { 5413 r = new StringBuilder(256); 5414 } else { 5415 r.append(' '); 5416 } 5417 r.append(p.info.name); 5418 } 5419 } 5420 if (r != null) { 5421 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5422 } 5423 5424 N = pkg.services.size(); 5425 r = null; 5426 for (i=0; i<N; i++) { 5427 PackageParser.Service s = pkg.services.get(i); 5428 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5429 s.info.processName, pkg.applicationInfo.uid); 5430 mServices.addService(s); 5431 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5432 if (r == null) { 5433 r = new StringBuilder(256); 5434 } else { 5435 r.append(' '); 5436 } 5437 r.append(s.info.name); 5438 } 5439 } 5440 if (r != null) { 5441 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5442 } 5443 5444 N = pkg.receivers.size(); 5445 r = null; 5446 for (i=0; i<N; i++) { 5447 PackageParser.Activity a = pkg.receivers.get(i); 5448 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5449 a.info.processName, pkg.applicationInfo.uid); 5450 mReceivers.addActivity(a, "receiver"); 5451 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5452 if (r == null) { 5453 r = new StringBuilder(256); 5454 } else { 5455 r.append(' '); 5456 } 5457 r.append(a.info.name); 5458 } 5459 } 5460 if (r != null) { 5461 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5462 } 5463 5464 N = pkg.activities.size(); 5465 r = null; 5466 for (i=0; i<N; i++) { 5467 PackageParser.Activity a = pkg.activities.get(i); 5468 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5469 a.info.processName, pkg.applicationInfo.uid); 5470 mActivities.addActivity(a, "activity"); 5471 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5472 if (r == null) { 5473 r = new StringBuilder(256); 5474 } else { 5475 r.append(' '); 5476 } 5477 r.append(a.info.name); 5478 } 5479 } 5480 if (r != null) { 5481 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5482 } 5483 5484 N = pkg.permissionGroups.size(); 5485 r = null; 5486 for (i=0; i<N; i++) { 5487 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5488 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5489 if (cur == null) { 5490 mPermissionGroups.put(pg.info.name, pg); 5491 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5492 if (r == null) { 5493 r = new StringBuilder(256); 5494 } else { 5495 r.append(' '); 5496 } 5497 r.append(pg.info.name); 5498 } 5499 } else { 5500 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5501 + pg.info.packageName + " ignored: original from " 5502 + cur.info.packageName); 5503 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5504 if (r == null) { 5505 r = new StringBuilder(256); 5506 } else { 5507 r.append(' '); 5508 } 5509 r.append("DUP:"); 5510 r.append(pg.info.name); 5511 } 5512 } 5513 } 5514 if (r != null) { 5515 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5516 } 5517 5518 N = pkg.permissions.size(); 5519 r = null; 5520 for (i=0; i<N; i++) { 5521 PackageParser.Permission p = pkg.permissions.get(i); 5522 HashMap<String, BasePermission> permissionMap = 5523 p.tree ? mSettings.mPermissionTrees 5524 : mSettings.mPermissions; 5525 p.group = mPermissionGroups.get(p.info.group); 5526 if (p.info.group == null || p.group != null) { 5527 BasePermission bp = permissionMap.get(p.info.name); 5528 if (bp == null) { 5529 bp = new BasePermission(p.info.name, p.info.packageName, 5530 BasePermission.TYPE_NORMAL); 5531 permissionMap.put(p.info.name, bp); 5532 } 5533 if (bp.perm == null) { 5534 if (bp.sourcePackage != null 5535 && !bp.sourcePackage.equals(p.info.packageName)) { 5536 // If this is a permission that was formerly defined by a non-system 5537 // app, but is now defined by a system app (following an upgrade), 5538 // discard the previous declaration and consider the system's to be 5539 // canonical. 5540 if (isSystemApp(p.owner)) { 5541 Slog.i(TAG, "New decl " + p.owner + " of permission " 5542 + p.info.name + " is system"); 5543 bp.sourcePackage = null; 5544 } 5545 } 5546 if (bp.sourcePackage == null 5547 || bp.sourcePackage.equals(p.info.packageName)) { 5548 BasePermission tree = findPermissionTreeLP(p.info.name); 5549 if (tree == null 5550 || tree.sourcePackage.equals(p.info.packageName)) { 5551 bp.packageSetting = pkgSetting; 5552 bp.perm = p; 5553 bp.uid = pkg.applicationInfo.uid; 5554 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5555 if (r == null) { 5556 r = new StringBuilder(256); 5557 } else { 5558 r.append(' '); 5559 } 5560 r.append(p.info.name); 5561 } 5562 } else { 5563 Slog.w(TAG, "Permission " + p.info.name + " from package " 5564 + p.info.packageName + " ignored: base tree " 5565 + tree.name + " is from package " 5566 + tree.sourcePackage); 5567 } 5568 } else { 5569 Slog.w(TAG, "Permission " + p.info.name + " from package " 5570 + p.info.packageName + " ignored: original from " 5571 + bp.sourcePackage); 5572 } 5573 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5574 if (r == null) { 5575 r = new StringBuilder(256); 5576 } else { 5577 r.append(' '); 5578 } 5579 r.append("DUP:"); 5580 r.append(p.info.name); 5581 } 5582 if (bp.perm == p) { 5583 bp.protectionLevel = p.info.protectionLevel; 5584 } 5585 } else { 5586 Slog.w(TAG, "Permission " + p.info.name + " from package " 5587 + p.info.packageName + " ignored: no group " 5588 + p.group); 5589 } 5590 } 5591 if (r != null) { 5592 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5593 } 5594 5595 N = pkg.instrumentation.size(); 5596 r = null; 5597 for (i=0; i<N; i++) { 5598 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5599 a.info.packageName = pkg.applicationInfo.packageName; 5600 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5601 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5602 a.info.dataDir = pkg.applicationInfo.dataDir; 5603 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5604 mInstrumentation.put(a.getComponentName(), a); 5605 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5606 if (r == null) { 5607 r = new StringBuilder(256); 5608 } else { 5609 r.append(' '); 5610 } 5611 r.append(a.info.name); 5612 } 5613 } 5614 if (r != null) { 5615 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5616 } 5617 5618 if (pkg.protectedBroadcasts != null) { 5619 N = pkg.protectedBroadcasts.size(); 5620 for (i=0; i<N; i++) { 5621 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5622 } 5623 } 5624 5625 pkgSetting.setTimeStamp(scanFileTime); 5626 5627 // Create idmap files for pairs of (packages, overlay packages). 5628 // Note: "android", ie framework-res.apk, is handled by native layers. 5629 if (pkg.mOverlayTarget != null) { 5630 // This is an overlay package. 5631 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5632 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5633 mOverlays.put(pkg.mOverlayTarget, 5634 new HashMap<String, PackageParser.Package>()); 5635 } 5636 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5637 map.put(pkg.packageName, pkg); 5638 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5639 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5640 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5641 return null; 5642 } 5643 } 5644 } else if (mOverlays.containsKey(pkg.packageName) && 5645 !pkg.packageName.equals("android")) { 5646 // This is a regular package, with one or more known overlay packages. 5647 createIdmapsForPackageLI(pkg); 5648 } 5649 } 5650 5651 return pkg; 5652 } 5653 5654 /** 5655 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5656 * i.e, so that all packages can be run inside a single process if required. 5657 * 5658 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5659 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5660 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5661 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5662 * updating a package that belongs to a shared user. 5663 */ 5664 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5665 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5666 String requiredInstructionSet = null; 5667 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5668 requiredInstructionSet = VMRuntime.getInstructionSet( 5669 scannedPackage.applicationInfo.cpuAbi); 5670 } 5671 5672 PackageSetting requirer = null; 5673 for (PackageSetting ps : packagesForUser) { 5674 // If packagesForUser contains scannedPackage, we skip it. This will happen 5675 // when scannedPackage is an update of an existing package. Without this check, 5676 // we will never be able to change the ABI of any package belonging to a shared 5677 // user, even if it's compatible with other packages. 5678 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 5679 if (ps.cpuAbiString == null) { 5680 continue; 5681 } 5682 5683 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 5684 if (requiredInstructionSet != null) { 5685 if (!instructionSet.equals(requiredInstructionSet)) { 5686 // We have a mismatch between instruction sets (say arm vs arm64). 5687 // bail out. 5688 String errorMessage = "Instruction set mismatch, " 5689 + ((requirer == null) ? "[caller]" : requirer) 5690 + " requires " + requiredInstructionSet + " whereas " + ps 5691 + " requires " + instructionSet; 5692 Slog.e(TAG, errorMessage); 5693 5694 reportSettingsProblem(Log.WARN, errorMessage); 5695 // Give up, don't bother making any other changes to the package settings. 5696 return false; 5697 } 5698 } else { 5699 requiredInstructionSet = instructionSet; 5700 requirer = ps; 5701 } 5702 } 5703 } 5704 5705 if (requiredInstructionSet != null) { 5706 String adjustedAbi; 5707 if (requirer != null) { 5708 // requirer != null implies that either scannedPackage was null or that scannedPackage 5709 // did not require an ABI, in which case we have to adjust scannedPackage to match 5710 // the ABI of the set (which is the same as requirer's ABI) 5711 adjustedAbi = requirer.cpuAbiString; 5712 if (scannedPackage != null) { 5713 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 5714 } 5715 } else { 5716 // requirer == null implies that we're updating all ABIs in the set to 5717 // match scannedPackage. 5718 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 5719 } 5720 5721 for (PackageSetting ps : packagesForUser) { 5722 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 5723 if (ps.cpuAbiString != null) { 5724 continue; 5725 } 5726 5727 ps.cpuAbiString = adjustedAbi; 5728 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 5729 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 5730 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 5731 5732 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 5733 ps.cpuAbiString = null; 5734 ps.pkg.applicationInfo.cpuAbi = null; 5735 return false; 5736 } else { 5737 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5738 } 5739 } 5740 } 5741 } 5742 } 5743 5744 return true; 5745 } 5746 5747 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5748 synchronized (mPackages) { 5749 mResolverReplaced = true; 5750 // Set up information for custom user intent resolution activity. 5751 mResolveActivity.applicationInfo = pkg.applicationInfo; 5752 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5753 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5754 mResolveActivity.processName = null; 5755 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5756 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5757 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5758 mResolveActivity.theme = 0; 5759 mResolveActivity.exported = true; 5760 mResolveActivity.enabled = true; 5761 mResolveInfo.activityInfo = mResolveActivity; 5762 mResolveInfo.priority = 0; 5763 mResolveInfo.preferredOrder = 0; 5764 mResolveInfo.match = 0; 5765 mResolveComponentName = mCustomResolverComponentName; 5766 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5767 mResolveComponentName); 5768 } 5769 } 5770 5771 private String calculateApkRoot(final String codePathString) { 5772 final File codePath = new File(codePathString); 5773 final File codeRoot; 5774 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5775 codeRoot = Environment.getRootDirectory(); 5776 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5777 codeRoot = Environment.getOemDirectory(); 5778 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5779 codeRoot = Environment.getVendorDirectory(); 5780 } else { 5781 // Unrecognized code path; take its top real segment as the apk root: 5782 // e.g. /something/app/blah.apk => /something 5783 try { 5784 File f = codePath.getCanonicalFile(); 5785 File parent = f.getParentFile(); // non-null because codePath is a file 5786 File tmp; 5787 while ((tmp = parent.getParentFile()) != null) { 5788 f = parent; 5789 parent = tmp; 5790 } 5791 codeRoot = f; 5792 Slog.w(TAG, "Unrecognized code path " 5793 + codePath + " - using " + codeRoot); 5794 } catch (IOException e) { 5795 // Can't canonicalize the lib path -- shenanigans? 5796 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5797 return Environment.getRootDirectory().getPath(); 5798 } 5799 } 5800 return codeRoot.getPath(); 5801 } 5802 5803 // This is the initial scan-time determination of how to handle a given 5804 // package for purposes of native library location. 5805 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5806 PackageSetting pkgSetting) { 5807 // "bundled" here means system-installed with no overriding update 5808 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5809 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5810 final File libDir; 5811 if (bundledApk) { 5812 // If "/system/lib64/apkname" exists, assume that is the per-package 5813 // native library directory to use; otherwise use "/system/lib/apkname". 5814 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5815 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5816 File packLib64 = new File(lib64, apkName); 5817 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5818 } else { 5819 libDir = mAppLibInstallDir; 5820 } 5821 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5822 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5823 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5824 } 5825 5826 // Deduces the required ABI of an upgraded system app. 5827 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 5828 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5829 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5830 5831 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 5832 // or similar. 5833 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 5834 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 5835 5836 // Assume that the bundled native libraries always correspond to the 5837 // most preferred 32 or 64 bit ABI. 5838 if (lib64.exists()) { 5839 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 5840 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 5841 } else if (lib.exists()) { 5842 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5843 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 5844 } else { 5845 // This is the case where the app has no native code. 5846 pkg.applicationInfo.cpuAbi = null; 5847 pkgSetting.cpuAbiString = null; 5848 } 5849 } 5850 5851 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 5852 final File nativeLibraryDir, String[] abiList) throws IOException { 5853 if (!nativeLibraryDir.isDirectory()) { 5854 nativeLibraryDir.delete(); 5855 5856 if (!nativeLibraryDir.mkdir()) { 5857 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5858 } 5859 5860 try { 5861 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5862 } catch (ErrnoException e) { 5863 throw new IOException("Cannot chmod native library directory " 5864 + nativeLibraryDir.getPath(), e); 5865 } 5866 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5867 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5868 } 5869 5870 /* 5871 * If this is an internal application or our nativeLibraryPath points to 5872 * the app-lib directory, unpack the libraries if necessary. 5873 */ 5874 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5875 if (abi >= 0) { 5876 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5877 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5878 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5879 return copyRet; 5880 } 5881 } 5882 5883 return abi; 5884 } 5885 5886 private void killApplication(String pkgName, int appId, String reason) { 5887 // Request the ActivityManager to kill the process(only for existing packages) 5888 // so that we do not end up in a confused state while the user is still using the older 5889 // version of the application while the new one gets installed. 5890 IActivityManager am = ActivityManagerNative.getDefault(); 5891 if (am != null) { 5892 try { 5893 am.killApplicationWithAppId(pkgName, appId, reason); 5894 } catch (RemoteException e) { 5895 } 5896 } 5897 } 5898 5899 void removePackageLI(PackageSetting ps, boolean chatty) { 5900 if (DEBUG_INSTALL) { 5901 if (chatty) 5902 Log.d(TAG, "Removing package " + ps.name); 5903 } 5904 5905 // writer 5906 synchronized (mPackages) { 5907 mPackages.remove(ps.name); 5908 if (ps.codePathString != null) { 5909 mAppDirs.remove(ps.codePathString); 5910 } 5911 5912 final PackageParser.Package pkg = ps.pkg; 5913 if (pkg != null) { 5914 cleanPackageDataStructuresLILPw(pkg, chatty); 5915 } 5916 } 5917 } 5918 5919 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5920 if (DEBUG_INSTALL) { 5921 if (chatty) 5922 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5923 } 5924 5925 // writer 5926 synchronized (mPackages) { 5927 mPackages.remove(pkg.applicationInfo.packageName); 5928 if (pkg.mPath != null) { 5929 mAppDirs.remove(pkg.mPath); 5930 } 5931 cleanPackageDataStructuresLILPw(pkg, chatty); 5932 } 5933 } 5934 5935 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5936 int N = pkg.providers.size(); 5937 StringBuilder r = null; 5938 int i; 5939 for (i=0; i<N; i++) { 5940 PackageParser.Provider p = pkg.providers.get(i); 5941 mProviders.removeProvider(p); 5942 if (p.info.authority == null) { 5943 5944 /* There was another ContentProvider with this authority when 5945 * this app was installed so this authority is null, 5946 * Ignore it as we don't have to unregister the provider. 5947 */ 5948 continue; 5949 } 5950 String names[] = p.info.authority.split(";"); 5951 for (int j = 0; j < names.length; j++) { 5952 if (mProvidersByAuthority.get(names[j]) == p) { 5953 mProvidersByAuthority.remove(names[j]); 5954 if (DEBUG_REMOVE) { 5955 if (chatty) 5956 Log.d(TAG, "Unregistered content provider: " + names[j] 5957 + ", className = " + p.info.name + ", isSyncable = " 5958 + p.info.isSyncable); 5959 } 5960 } 5961 } 5962 if (DEBUG_REMOVE && chatty) { 5963 if (r == null) { 5964 r = new StringBuilder(256); 5965 } else { 5966 r.append(' '); 5967 } 5968 r.append(p.info.name); 5969 } 5970 } 5971 if (r != null) { 5972 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5973 } 5974 5975 N = pkg.services.size(); 5976 r = null; 5977 for (i=0; i<N; i++) { 5978 PackageParser.Service s = pkg.services.get(i); 5979 mServices.removeService(s); 5980 if (chatty) { 5981 if (r == null) { 5982 r = new StringBuilder(256); 5983 } else { 5984 r.append(' '); 5985 } 5986 r.append(s.info.name); 5987 } 5988 } 5989 if (r != null) { 5990 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5991 } 5992 5993 N = pkg.receivers.size(); 5994 r = null; 5995 for (i=0; i<N; i++) { 5996 PackageParser.Activity a = pkg.receivers.get(i); 5997 mReceivers.removeActivity(a, "receiver"); 5998 if (DEBUG_REMOVE && chatty) { 5999 if (r == null) { 6000 r = new StringBuilder(256); 6001 } else { 6002 r.append(' '); 6003 } 6004 r.append(a.info.name); 6005 } 6006 } 6007 if (r != null) { 6008 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6009 } 6010 6011 N = pkg.activities.size(); 6012 r = null; 6013 for (i=0; i<N; i++) { 6014 PackageParser.Activity a = pkg.activities.get(i); 6015 mActivities.removeActivity(a, "activity"); 6016 if (DEBUG_REMOVE && chatty) { 6017 if (r == null) { 6018 r = new StringBuilder(256); 6019 } else { 6020 r.append(' '); 6021 } 6022 r.append(a.info.name); 6023 } 6024 } 6025 if (r != null) { 6026 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6027 } 6028 6029 N = pkg.permissions.size(); 6030 r = null; 6031 for (i=0; i<N; i++) { 6032 PackageParser.Permission p = pkg.permissions.get(i); 6033 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6034 if (bp == null) { 6035 bp = mSettings.mPermissionTrees.get(p.info.name); 6036 } 6037 if (bp != null && bp.perm == p) { 6038 bp.perm = null; 6039 if (DEBUG_REMOVE && chatty) { 6040 if (r == null) { 6041 r = new StringBuilder(256); 6042 } else { 6043 r.append(' '); 6044 } 6045 r.append(p.info.name); 6046 } 6047 } 6048 } 6049 if (r != null) { 6050 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6051 } 6052 6053 N = pkg.instrumentation.size(); 6054 r = null; 6055 for (i=0; i<N; i++) { 6056 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6057 mInstrumentation.remove(a.getComponentName()); 6058 if (DEBUG_REMOVE && chatty) { 6059 if (r == null) { 6060 r = new StringBuilder(256); 6061 } else { 6062 r.append(' '); 6063 } 6064 r.append(a.info.name); 6065 } 6066 } 6067 if (r != null) { 6068 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6069 } 6070 6071 r = null; 6072 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6073 // Only system apps can hold shared libraries. 6074 if (pkg.libraryNames != null) { 6075 for (i=0; i<pkg.libraryNames.size(); i++) { 6076 String name = pkg.libraryNames.get(i); 6077 SharedLibraryEntry cur = mSharedLibraries.get(name); 6078 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6079 mSharedLibraries.remove(name); 6080 if (DEBUG_REMOVE && chatty) { 6081 if (r == null) { 6082 r = new StringBuilder(256); 6083 } else { 6084 r.append(' '); 6085 } 6086 r.append(name); 6087 } 6088 } 6089 } 6090 } 6091 } 6092 if (r != null) { 6093 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6094 } 6095 } 6096 6097 private static final boolean isPackageFilename(String name) { 6098 return name != null && name.endsWith(".apk"); 6099 } 6100 6101 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6102 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6103 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6104 return true; 6105 } 6106 } 6107 return false; 6108 } 6109 6110 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6111 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6112 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6113 6114 private void updatePermissionsLPw(String changingPkg, 6115 PackageParser.Package pkgInfo, int flags) { 6116 // Make sure there are no dangling permission trees. 6117 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6118 while (it.hasNext()) { 6119 final BasePermission bp = it.next(); 6120 if (bp.packageSetting == null) { 6121 // We may not yet have parsed the package, so just see if 6122 // we still know about its settings. 6123 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6124 } 6125 if (bp.packageSetting == null) { 6126 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6127 + " from package " + bp.sourcePackage); 6128 it.remove(); 6129 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6130 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6131 Slog.i(TAG, "Removing old permission tree: " + bp.name 6132 + " from package " + bp.sourcePackage); 6133 flags |= UPDATE_PERMISSIONS_ALL; 6134 it.remove(); 6135 } 6136 } 6137 } 6138 6139 // Make sure all dynamic permissions have been assigned to a package, 6140 // and make sure there are no dangling permissions. 6141 it = mSettings.mPermissions.values().iterator(); 6142 while (it.hasNext()) { 6143 final BasePermission bp = it.next(); 6144 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6145 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6146 + bp.name + " pkg=" + bp.sourcePackage 6147 + " info=" + bp.pendingInfo); 6148 if (bp.packageSetting == null && bp.pendingInfo != null) { 6149 final BasePermission tree = findPermissionTreeLP(bp.name); 6150 if (tree != null && tree.perm != null) { 6151 bp.packageSetting = tree.packageSetting; 6152 bp.perm = new PackageParser.Permission(tree.perm.owner, 6153 new PermissionInfo(bp.pendingInfo)); 6154 bp.perm.info.packageName = tree.perm.info.packageName; 6155 bp.perm.info.name = bp.name; 6156 bp.uid = tree.uid; 6157 } 6158 } 6159 } 6160 if (bp.packageSetting == null) { 6161 // We may not yet have parsed the package, so just see if 6162 // we still know about its settings. 6163 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6164 } 6165 if (bp.packageSetting == null) { 6166 Slog.w(TAG, "Removing dangling permission: " + bp.name 6167 + " from package " + bp.sourcePackage); 6168 it.remove(); 6169 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6170 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6171 Slog.i(TAG, "Removing old permission: " + bp.name 6172 + " from package " + bp.sourcePackage); 6173 flags |= UPDATE_PERMISSIONS_ALL; 6174 it.remove(); 6175 } 6176 } 6177 } 6178 6179 // Now update the permissions for all packages, in particular 6180 // replace the granted permissions of the system packages. 6181 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6182 for (PackageParser.Package pkg : mPackages.values()) { 6183 if (pkg != pkgInfo) { 6184 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6185 } 6186 } 6187 } 6188 6189 if (pkgInfo != null) { 6190 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6191 } 6192 } 6193 6194 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6195 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6196 if (ps == null) { 6197 return; 6198 } 6199 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6200 HashSet<String> origPermissions = gp.grantedPermissions; 6201 boolean changedPermission = false; 6202 6203 if (replace) { 6204 ps.permissionsFixed = false; 6205 if (gp == ps) { 6206 origPermissions = new HashSet<String>(gp.grantedPermissions); 6207 gp.grantedPermissions.clear(); 6208 gp.gids = mGlobalGids; 6209 } 6210 } 6211 6212 if (gp.gids == null) { 6213 gp.gids = mGlobalGids; 6214 } 6215 6216 final int N = pkg.requestedPermissions.size(); 6217 for (int i=0; i<N; i++) { 6218 final String name = pkg.requestedPermissions.get(i); 6219 final boolean required = pkg.requestedPermissionsRequired.get(i); 6220 final BasePermission bp = mSettings.mPermissions.get(name); 6221 if (DEBUG_INSTALL) { 6222 if (gp != ps) { 6223 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6224 } 6225 } 6226 6227 if (bp == null || bp.packageSetting == null) { 6228 Slog.w(TAG, "Unknown permission " + name 6229 + " in package " + pkg.packageName); 6230 continue; 6231 } 6232 6233 final String perm = bp.name; 6234 boolean allowed; 6235 boolean allowedSig = false; 6236 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6237 if (level == PermissionInfo.PROTECTION_NORMAL 6238 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6239 // We grant a normal or dangerous permission if any of the following 6240 // are true: 6241 // 1) The permission is required 6242 // 2) The permission is optional, but was granted in the past 6243 // 3) The permission is optional, but was requested by an 6244 // app in /system (not /data) 6245 // 6246 // Otherwise, reject the permission. 6247 allowed = (required || origPermissions.contains(perm) 6248 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6249 } else if (bp.packageSetting == null) { 6250 // This permission is invalid; skip it. 6251 allowed = false; 6252 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6253 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6254 if (allowed) { 6255 allowedSig = true; 6256 } 6257 } else { 6258 allowed = false; 6259 } 6260 if (DEBUG_INSTALL) { 6261 if (gp != ps) { 6262 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6263 } 6264 } 6265 if (allowed) { 6266 if (!isSystemApp(ps) && ps.permissionsFixed) { 6267 // If this is an existing, non-system package, then 6268 // we can't add any new permissions to it. 6269 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6270 // Except... if this is a permission that was added 6271 // to the platform (note: need to only do this when 6272 // updating the platform). 6273 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6274 } 6275 } 6276 if (allowed) { 6277 if (!gp.grantedPermissions.contains(perm)) { 6278 changedPermission = true; 6279 gp.grantedPermissions.add(perm); 6280 gp.gids = appendInts(gp.gids, bp.gids); 6281 } else if (!ps.haveGids) { 6282 gp.gids = appendInts(gp.gids, bp.gids); 6283 } 6284 } else { 6285 Slog.w(TAG, "Not granting permission " + perm 6286 + " to package " + pkg.packageName 6287 + " because it was previously installed without"); 6288 } 6289 } else { 6290 if (gp.grantedPermissions.remove(perm)) { 6291 changedPermission = true; 6292 gp.gids = removeInts(gp.gids, bp.gids); 6293 Slog.i(TAG, "Un-granting permission " + perm 6294 + " from package " + pkg.packageName 6295 + " (protectionLevel=" + bp.protectionLevel 6296 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6297 + ")"); 6298 } else { 6299 Slog.w(TAG, "Not granting permission " + perm 6300 + " to package " + pkg.packageName 6301 + " (protectionLevel=" + bp.protectionLevel 6302 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6303 + ")"); 6304 } 6305 } 6306 } 6307 6308 if ((changedPermission || replace) && !ps.permissionsFixed && 6309 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6310 // This is the first that we have heard about this package, so the 6311 // permissions we have now selected are fixed until explicitly 6312 // changed. 6313 ps.permissionsFixed = true; 6314 } 6315 ps.haveGids = true; 6316 } 6317 6318 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6319 boolean allowed = false; 6320 final int NP = PackageParser.NEW_PERMISSIONS.length; 6321 for (int ip=0; ip<NP; ip++) { 6322 final PackageParser.NewPermissionInfo npi 6323 = PackageParser.NEW_PERMISSIONS[ip]; 6324 if (npi.name.equals(perm) 6325 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6326 allowed = true; 6327 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6328 + pkg.packageName); 6329 break; 6330 } 6331 } 6332 return allowed; 6333 } 6334 6335 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6336 BasePermission bp, HashSet<String> origPermissions) { 6337 boolean allowed; 6338 allowed = (compareSignatures( 6339 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6340 == PackageManager.SIGNATURE_MATCH) 6341 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6342 == PackageManager.SIGNATURE_MATCH); 6343 if (!allowed && (bp.protectionLevel 6344 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6345 if (isSystemApp(pkg)) { 6346 // For updated system applications, a system permission 6347 // is granted only if it had been defined by the original application. 6348 if (isUpdatedSystemApp(pkg)) { 6349 final PackageSetting sysPs = mSettings 6350 .getDisabledSystemPkgLPr(pkg.packageName); 6351 final GrantedPermissions origGp = sysPs.sharedUser != null 6352 ? sysPs.sharedUser : sysPs; 6353 6354 if (origGp.grantedPermissions.contains(perm)) { 6355 // If the original was granted this permission, we take 6356 // that grant decision as read and propagate it to the 6357 // update. 6358 allowed = true; 6359 } else { 6360 // The system apk may have been updated with an older 6361 // version of the one on the data partition, but which 6362 // granted a new system permission that it didn't have 6363 // before. In this case we do want to allow the app to 6364 // now get the new permission if the ancestral apk is 6365 // privileged to get it. 6366 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6367 for (int j=0; 6368 j<sysPs.pkg.requestedPermissions.size(); j++) { 6369 if (perm.equals( 6370 sysPs.pkg.requestedPermissions.get(j))) { 6371 allowed = true; 6372 break; 6373 } 6374 } 6375 } 6376 } 6377 } else { 6378 allowed = isPrivilegedApp(pkg); 6379 } 6380 } 6381 } 6382 if (!allowed && (bp.protectionLevel 6383 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6384 // For development permissions, a development permission 6385 // is granted only if it was already granted. 6386 allowed = origPermissions.contains(perm); 6387 } 6388 return allowed; 6389 } 6390 6391 final class ActivityIntentResolver 6392 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6393 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6394 boolean defaultOnly, int userId) { 6395 if (!sUserManager.exists(userId)) return null; 6396 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6397 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6398 } 6399 6400 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6401 int userId) { 6402 if (!sUserManager.exists(userId)) return null; 6403 mFlags = flags; 6404 return super.queryIntent(intent, resolvedType, 6405 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6406 } 6407 6408 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6409 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6410 if (!sUserManager.exists(userId)) return null; 6411 if (packageActivities == null) { 6412 return null; 6413 } 6414 mFlags = flags; 6415 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6416 final int N = packageActivities.size(); 6417 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6418 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6419 6420 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6421 for (int i = 0; i < N; ++i) { 6422 intentFilters = packageActivities.get(i).intents; 6423 if (intentFilters != null && intentFilters.size() > 0) { 6424 PackageParser.ActivityIntentInfo[] array = 6425 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6426 intentFilters.toArray(array); 6427 listCut.add(array); 6428 } 6429 } 6430 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6431 } 6432 6433 public final void addActivity(PackageParser.Activity a, String type) { 6434 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6435 mActivities.put(a.getComponentName(), a); 6436 if (DEBUG_SHOW_INFO) 6437 Log.v( 6438 TAG, " " + type + " " + 6439 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6440 if (DEBUG_SHOW_INFO) 6441 Log.v(TAG, " Class=" + a.info.name); 6442 final int NI = a.intents.size(); 6443 for (int j=0; j<NI; j++) { 6444 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6445 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6446 intent.setPriority(0); 6447 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6448 + a.className + " with priority > 0, forcing to 0"); 6449 } 6450 if (DEBUG_SHOW_INFO) { 6451 Log.v(TAG, " IntentFilter:"); 6452 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6453 } 6454 if (!intent.debugCheck()) { 6455 Log.w(TAG, "==> For Activity " + a.info.name); 6456 } 6457 addFilter(intent); 6458 } 6459 } 6460 6461 public final void removeActivity(PackageParser.Activity a, String type) { 6462 mActivities.remove(a.getComponentName()); 6463 if (DEBUG_SHOW_INFO) { 6464 Log.v(TAG, " " + type + " " 6465 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6466 : a.info.name) + ":"); 6467 Log.v(TAG, " Class=" + a.info.name); 6468 } 6469 final int NI = a.intents.size(); 6470 for (int j=0; j<NI; j++) { 6471 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6472 if (DEBUG_SHOW_INFO) { 6473 Log.v(TAG, " IntentFilter:"); 6474 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6475 } 6476 removeFilter(intent); 6477 } 6478 } 6479 6480 @Override 6481 protected boolean allowFilterResult( 6482 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6483 ActivityInfo filterAi = filter.activity.info; 6484 for (int i=dest.size()-1; i>=0; i--) { 6485 ActivityInfo destAi = dest.get(i).activityInfo; 6486 if (destAi.name == filterAi.name 6487 && destAi.packageName == filterAi.packageName) { 6488 return false; 6489 } 6490 } 6491 return true; 6492 } 6493 6494 @Override 6495 protected ActivityIntentInfo[] newArray(int size) { 6496 return new ActivityIntentInfo[size]; 6497 } 6498 6499 @Override 6500 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6501 if (!sUserManager.exists(userId)) return true; 6502 PackageParser.Package p = filter.activity.owner; 6503 if (p != null) { 6504 PackageSetting ps = (PackageSetting)p.mExtras; 6505 if (ps != null) { 6506 // System apps are never considered stopped for purposes of 6507 // filtering, because there may be no way for the user to 6508 // actually re-launch them. 6509 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6510 && ps.getStopped(userId); 6511 } 6512 } 6513 return false; 6514 } 6515 6516 @Override 6517 protected boolean isPackageForFilter(String packageName, 6518 PackageParser.ActivityIntentInfo info) { 6519 return packageName.equals(info.activity.owner.packageName); 6520 } 6521 6522 @Override 6523 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6524 int match, int userId) { 6525 if (!sUserManager.exists(userId)) return null; 6526 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6527 return null; 6528 } 6529 final PackageParser.Activity activity = info.activity; 6530 if (mSafeMode && (activity.info.applicationInfo.flags 6531 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6532 return null; 6533 } 6534 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6535 if (ps == null) { 6536 return null; 6537 } 6538 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6539 ps.readUserState(userId), userId); 6540 if (ai == null) { 6541 return null; 6542 } 6543 final ResolveInfo res = new ResolveInfo(); 6544 res.activityInfo = ai; 6545 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6546 res.filter = info; 6547 } 6548 res.priority = info.getPriority(); 6549 res.preferredOrder = activity.owner.mPreferredOrder; 6550 //System.out.println("Result: " + res.activityInfo.className + 6551 // " = " + res.priority); 6552 res.match = match; 6553 res.isDefault = info.hasDefault; 6554 res.labelRes = info.labelRes; 6555 res.nonLocalizedLabel = info.nonLocalizedLabel; 6556 res.icon = info.icon; 6557 res.system = isSystemApp(res.activityInfo.applicationInfo); 6558 return res; 6559 } 6560 6561 @Override 6562 protected void sortResults(List<ResolveInfo> results) { 6563 Collections.sort(results, mResolvePrioritySorter); 6564 } 6565 6566 @Override 6567 protected void dumpFilter(PrintWriter out, String prefix, 6568 PackageParser.ActivityIntentInfo filter) { 6569 out.print(prefix); out.print( 6570 Integer.toHexString(System.identityHashCode(filter.activity))); 6571 out.print(' '); 6572 filter.activity.printComponentShortName(out); 6573 out.print(" filter "); 6574 out.println(Integer.toHexString(System.identityHashCode(filter))); 6575 } 6576 6577// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6578// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6579// final List<ResolveInfo> retList = Lists.newArrayList(); 6580// while (i.hasNext()) { 6581// final ResolveInfo resolveInfo = i.next(); 6582// if (isEnabledLP(resolveInfo.activityInfo)) { 6583// retList.add(resolveInfo); 6584// } 6585// } 6586// return retList; 6587// } 6588 6589 // Keys are String (activity class name), values are Activity. 6590 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6591 = new HashMap<ComponentName, PackageParser.Activity>(); 6592 private int mFlags; 6593 } 6594 6595 private final class ServiceIntentResolver 6596 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6597 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6598 boolean defaultOnly, int userId) { 6599 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6600 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6601 } 6602 6603 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6604 int userId) { 6605 if (!sUserManager.exists(userId)) return null; 6606 mFlags = flags; 6607 return super.queryIntent(intent, resolvedType, 6608 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6609 } 6610 6611 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6612 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6613 if (!sUserManager.exists(userId)) return null; 6614 if (packageServices == null) { 6615 return null; 6616 } 6617 mFlags = flags; 6618 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6619 final int N = packageServices.size(); 6620 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6621 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6622 6623 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6624 for (int i = 0; i < N; ++i) { 6625 intentFilters = packageServices.get(i).intents; 6626 if (intentFilters != null && intentFilters.size() > 0) { 6627 PackageParser.ServiceIntentInfo[] array = 6628 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6629 intentFilters.toArray(array); 6630 listCut.add(array); 6631 } 6632 } 6633 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6634 } 6635 6636 public final void addService(PackageParser.Service s) { 6637 mServices.put(s.getComponentName(), s); 6638 if (DEBUG_SHOW_INFO) { 6639 Log.v(TAG, " " 6640 + (s.info.nonLocalizedLabel != null 6641 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6642 Log.v(TAG, " Class=" + s.info.name); 6643 } 6644 final int NI = s.intents.size(); 6645 int j; 6646 for (j=0; j<NI; j++) { 6647 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6648 if (DEBUG_SHOW_INFO) { 6649 Log.v(TAG, " IntentFilter:"); 6650 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6651 } 6652 if (!intent.debugCheck()) { 6653 Log.w(TAG, "==> For Service " + s.info.name); 6654 } 6655 addFilter(intent); 6656 } 6657 } 6658 6659 public final void removeService(PackageParser.Service s) { 6660 mServices.remove(s.getComponentName()); 6661 if (DEBUG_SHOW_INFO) { 6662 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6663 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6664 Log.v(TAG, " Class=" + s.info.name); 6665 } 6666 final int NI = s.intents.size(); 6667 int j; 6668 for (j=0; j<NI; j++) { 6669 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6670 if (DEBUG_SHOW_INFO) { 6671 Log.v(TAG, " IntentFilter:"); 6672 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6673 } 6674 removeFilter(intent); 6675 } 6676 } 6677 6678 @Override 6679 protected boolean allowFilterResult( 6680 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6681 ServiceInfo filterSi = filter.service.info; 6682 for (int i=dest.size()-1; i>=0; i--) { 6683 ServiceInfo destAi = dest.get(i).serviceInfo; 6684 if (destAi.name == filterSi.name 6685 && destAi.packageName == filterSi.packageName) { 6686 return false; 6687 } 6688 } 6689 return true; 6690 } 6691 6692 @Override 6693 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6694 return new PackageParser.ServiceIntentInfo[size]; 6695 } 6696 6697 @Override 6698 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6699 if (!sUserManager.exists(userId)) return true; 6700 PackageParser.Package p = filter.service.owner; 6701 if (p != null) { 6702 PackageSetting ps = (PackageSetting)p.mExtras; 6703 if (ps != null) { 6704 // System apps are never considered stopped for purposes of 6705 // filtering, because there may be no way for the user to 6706 // actually re-launch them. 6707 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6708 && ps.getStopped(userId); 6709 } 6710 } 6711 return false; 6712 } 6713 6714 @Override 6715 protected boolean isPackageForFilter(String packageName, 6716 PackageParser.ServiceIntentInfo info) { 6717 return packageName.equals(info.service.owner.packageName); 6718 } 6719 6720 @Override 6721 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6722 int match, int userId) { 6723 if (!sUserManager.exists(userId)) return null; 6724 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6725 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6726 return null; 6727 } 6728 final PackageParser.Service service = info.service; 6729 if (mSafeMode && (service.info.applicationInfo.flags 6730 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6731 return null; 6732 } 6733 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6734 if (ps == null) { 6735 return null; 6736 } 6737 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6738 ps.readUserState(userId), userId); 6739 if (si == null) { 6740 return null; 6741 } 6742 final ResolveInfo res = new ResolveInfo(); 6743 res.serviceInfo = si; 6744 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6745 res.filter = filter; 6746 } 6747 res.priority = info.getPriority(); 6748 res.preferredOrder = service.owner.mPreferredOrder; 6749 //System.out.println("Result: " + res.activityInfo.className + 6750 // " = " + res.priority); 6751 res.match = match; 6752 res.isDefault = info.hasDefault; 6753 res.labelRes = info.labelRes; 6754 res.nonLocalizedLabel = info.nonLocalizedLabel; 6755 res.icon = info.icon; 6756 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6757 return res; 6758 } 6759 6760 @Override 6761 protected void sortResults(List<ResolveInfo> results) { 6762 Collections.sort(results, mResolvePrioritySorter); 6763 } 6764 6765 @Override 6766 protected void dumpFilter(PrintWriter out, String prefix, 6767 PackageParser.ServiceIntentInfo filter) { 6768 out.print(prefix); out.print( 6769 Integer.toHexString(System.identityHashCode(filter.service))); 6770 out.print(' '); 6771 filter.service.printComponentShortName(out); 6772 out.print(" filter "); 6773 out.println(Integer.toHexString(System.identityHashCode(filter))); 6774 } 6775 6776// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6777// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6778// final List<ResolveInfo> retList = Lists.newArrayList(); 6779// while (i.hasNext()) { 6780// final ResolveInfo resolveInfo = (ResolveInfo) i; 6781// if (isEnabledLP(resolveInfo.serviceInfo)) { 6782// retList.add(resolveInfo); 6783// } 6784// } 6785// return retList; 6786// } 6787 6788 // Keys are String (activity class name), values are Activity. 6789 private final HashMap<ComponentName, PackageParser.Service> mServices 6790 = new HashMap<ComponentName, PackageParser.Service>(); 6791 private int mFlags; 6792 }; 6793 6794 private final class ProviderIntentResolver 6795 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6796 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6797 boolean defaultOnly, int userId) { 6798 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6799 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6800 } 6801 6802 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6803 int userId) { 6804 if (!sUserManager.exists(userId)) 6805 return null; 6806 mFlags = flags; 6807 return super.queryIntent(intent, resolvedType, 6808 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6809 } 6810 6811 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6812 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6813 if (!sUserManager.exists(userId)) 6814 return null; 6815 if (packageProviders == null) { 6816 return null; 6817 } 6818 mFlags = flags; 6819 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6820 final int N = packageProviders.size(); 6821 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6822 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6823 6824 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6825 for (int i = 0; i < N; ++i) { 6826 intentFilters = packageProviders.get(i).intents; 6827 if (intentFilters != null && intentFilters.size() > 0) { 6828 PackageParser.ProviderIntentInfo[] array = 6829 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6830 intentFilters.toArray(array); 6831 listCut.add(array); 6832 } 6833 } 6834 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6835 } 6836 6837 public final void addProvider(PackageParser.Provider p) { 6838 mProviders.put(p.getComponentName(), p); 6839 if (DEBUG_SHOW_INFO) { 6840 Log.v(TAG, " " 6841 + (p.info.nonLocalizedLabel != null 6842 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6843 Log.v(TAG, " Class=" + p.info.name); 6844 } 6845 final int NI = p.intents.size(); 6846 int j; 6847 for (j = 0; j < NI; j++) { 6848 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6849 if (DEBUG_SHOW_INFO) { 6850 Log.v(TAG, " IntentFilter:"); 6851 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6852 } 6853 if (!intent.debugCheck()) { 6854 Log.w(TAG, "==> For Provider " + p.info.name); 6855 } 6856 addFilter(intent); 6857 } 6858 } 6859 6860 public final void removeProvider(PackageParser.Provider p) { 6861 mProviders.remove(p.getComponentName()); 6862 if (DEBUG_SHOW_INFO) { 6863 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6864 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6865 Log.v(TAG, " Class=" + p.info.name); 6866 } 6867 final int NI = p.intents.size(); 6868 int j; 6869 for (j = 0; j < NI; j++) { 6870 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6871 if (DEBUG_SHOW_INFO) { 6872 Log.v(TAG, " IntentFilter:"); 6873 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6874 } 6875 removeFilter(intent); 6876 } 6877 } 6878 6879 @Override 6880 protected boolean allowFilterResult( 6881 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6882 ProviderInfo filterPi = filter.provider.info; 6883 for (int i = dest.size() - 1; i >= 0; i--) { 6884 ProviderInfo destPi = dest.get(i).providerInfo; 6885 if (destPi.name == filterPi.name 6886 && destPi.packageName == filterPi.packageName) { 6887 return false; 6888 } 6889 } 6890 return true; 6891 } 6892 6893 @Override 6894 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6895 return new PackageParser.ProviderIntentInfo[size]; 6896 } 6897 6898 @Override 6899 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6900 if (!sUserManager.exists(userId)) 6901 return true; 6902 PackageParser.Package p = filter.provider.owner; 6903 if (p != null) { 6904 PackageSetting ps = (PackageSetting) p.mExtras; 6905 if (ps != null) { 6906 // System apps are never considered stopped for purposes of 6907 // filtering, because there may be no way for the user to 6908 // actually re-launch them. 6909 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6910 && ps.getStopped(userId); 6911 } 6912 } 6913 return false; 6914 } 6915 6916 @Override 6917 protected boolean isPackageForFilter(String packageName, 6918 PackageParser.ProviderIntentInfo info) { 6919 return packageName.equals(info.provider.owner.packageName); 6920 } 6921 6922 @Override 6923 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6924 int match, int userId) { 6925 if (!sUserManager.exists(userId)) 6926 return null; 6927 final PackageParser.ProviderIntentInfo info = filter; 6928 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6929 return null; 6930 } 6931 final PackageParser.Provider provider = info.provider; 6932 if (mSafeMode && (provider.info.applicationInfo.flags 6933 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6934 return null; 6935 } 6936 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6937 if (ps == null) { 6938 return null; 6939 } 6940 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6941 ps.readUserState(userId), userId); 6942 if (pi == null) { 6943 return null; 6944 } 6945 final ResolveInfo res = new ResolveInfo(); 6946 res.providerInfo = pi; 6947 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6948 res.filter = filter; 6949 } 6950 res.priority = info.getPriority(); 6951 res.preferredOrder = provider.owner.mPreferredOrder; 6952 res.match = match; 6953 res.isDefault = info.hasDefault; 6954 res.labelRes = info.labelRes; 6955 res.nonLocalizedLabel = info.nonLocalizedLabel; 6956 res.icon = info.icon; 6957 res.system = isSystemApp(res.providerInfo.applicationInfo); 6958 return res; 6959 } 6960 6961 @Override 6962 protected void sortResults(List<ResolveInfo> results) { 6963 Collections.sort(results, mResolvePrioritySorter); 6964 } 6965 6966 @Override 6967 protected void dumpFilter(PrintWriter out, String prefix, 6968 PackageParser.ProviderIntentInfo filter) { 6969 out.print(prefix); 6970 out.print( 6971 Integer.toHexString(System.identityHashCode(filter.provider))); 6972 out.print(' '); 6973 filter.provider.printComponentShortName(out); 6974 out.print(" filter "); 6975 out.println(Integer.toHexString(System.identityHashCode(filter))); 6976 } 6977 6978 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6979 = new HashMap<ComponentName, PackageParser.Provider>(); 6980 private int mFlags; 6981 }; 6982 6983 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6984 new Comparator<ResolveInfo>() { 6985 public int compare(ResolveInfo r1, ResolveInfo r2) { 6986 int v1 = r1.priority; 6987 int v2 = r2.priority; 6988 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6989 if (v1 != v2) { 6990 return (v1 > v2) ? -1 : 1; 6991 } 6992 v1 = r1.preferredOrder; 6993 v2 = r2.preferredOrder; 6994 if (v1 != v2) { 6995 return (v1 > v2) ? -1 : 1; 6996 } 6997 if (r1.isDefault != r2.isDefault) { 6998 return r1.isDefault ? -1 : 1; 6999 } 7000 v1 = r1.match; 7001 v2 = r2.match; 7002 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7003 if (v1 != v2) { 7004 return (v1 > v2) ? -1 : 1; 7005 } 7006 if (r1.system != r2.system) { 7007 return r1.system ? -1 : 1; 7008 } 7009 return 0; 7010 } 7011 }; 7012 7013 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7014 new Comparator<ProviderInfo>() { 7015 public int compare(ProviderInfo p1, ProviderInfo p2) { 7016 final int v1 = p1.initOrder; 7017 final int v2 = p2.initOrder; 7018 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7019 } 7020 }; 7021 7022 static final void sendPackageBroadcast(String action, String pkg, 7023 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7024 int[] userIds) { 7025 IActivityManager am = ActivityManagerNative.getDefault(); 7026 if (am != null) { 7027 try { 7028 if (userIds == null) { 7029 userIds = am.getRunningUserIds(); 7030 } 7031 for (int id : userIds) { 7032 final Intent intent = new Intent(action, 7033 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7034 if (extras != null) { 7035 intent.putExtras(extras); 7036 } 7037 if (targetPkg != null) { 7038 intent.setPackage(targetPkg); 7039 } 7040 // Modify the UID when posting to other users 7041 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7042 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7043 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7044 intent.putExtra(Intent.EXTRA_UID, uid); 7045 } 7046 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7047 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7048 if (DEBUG_BROADCASTS) { 7049 RuntimeException here = new RuntimeException("here"); 7050 here.fillInStackTrace(); 7051 Slog.d(TAG, "Sending to user " + id + ": " 7052 + intent.toShortString(false, true, false, false) 7053 + " " + intent.getExtras(), here); 7054 } 7055 am.broadcastIntent(null, intent, null, finishedReceiver, 7056 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7057 finishedReceiver != null, false, id); 7058 } 7059 } catch (RemoteException ex) { 7060 } 7061 } 7062 } 7063 7064 /** 7065 * Check if the external storage media is available. This is true if there 7066 * is a mounted external storage medium or if the external storage is 7067 * emulated. 7068 */ 7069 private boolean isExternalMediaAvailable() { 7070 return mMediaMounted || Environment.isExternalStorageEmulated(); 7071 } 7072 7073 @Override 7074 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7075 // writer 7076 synchronized (mPackages) { 7077 if (!isExternalMediaAvailable()) { 7078 // If the external storage is no longer mounted at this point, 7079 // the caller may not have been able to delete all of this 7080 // packages files and can not delete any more. Bail. 7081 return null; 7082 } 7083 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7084 if (lastPackage != null) { 7085 pkgs.remove(lastPackage); 7086 } 7087 if (pkgs.size() > 0) { 7088 return pkgs.get(0); 7089 } 7090 } 7091 return null; 7092 } 7093 7094 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7095 if (false) { 7096 RuntimeException here = new RuntimeException("here"); 7097 here.fillInStackTrace(); 7098 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7099 + " andCode=" + andCode, here); 7100 } 7101 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7102 userId, andCode ? 1 : 0, packageName)); 7103 } 7104 7105 void startCleaningPackages() { 7106 // reader 7107 synchronized (mPackages) { 7108 if (!isExternalMediaAvailable()) { 7109 return; 7110 } 7111 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7112 return; 7113 } 7114 } 7115 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7116 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7117 IActivityManager am = ActivityManagerNative.getDefault(); 7118 if (am != null) { 7119 try { 7120 am.startService(null, intent, null, UserHandle.USER_OWNER); 7121 } catch (RemoteException e) { 7122 } 7123 } 7124 } 7125 7126 private final class AppDirObserver extends FileObserver { 7127 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7128 super(path, mask); 7129 mRootDir = path; 7130 mIsRom = isrom; 7131 mIsPrivileged = isPrivileged; 7132 } 7133 7134 public void onEvent(int event, String path) { 7135 String removedPackage = null; 7136 int removedAppId = -1; 7137 int[] removedUsers = null; 7138 String addedPackage = null; 7139 int addedAppId = -1; 7140 int[] addedUsers = null; 7141 7142 // TODO post a message to the handler to obtain serial ordering 7143 synchronized (mInstallLock) { 7144 String fullPathStr = null; 7145 File fullPath = null; 7146 if (path != null) { 7147 fullPath = new File(mRootDir, path); 7148 fullPathStr = fullPath.getPath(); 7149 } 7150 7151 if (DEBUG_APP_DIR_OBSERVER) 7152 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7153 7154 if (!isPackageFilename(path)) { 7155 if (DEBUG_APP_DIR_OBSERVER) 7156 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7157 return; 7158 } 7159 7160 // Ignore packages that are being installed or 7161 // have just been installed. 7162 if (ignoreCodePath(fullPathStr)) { 7163 return; 7164 } 7165 PackageParser.Package p = null; 7166 PackageSetting ps = null; 7167 // reader 7168 synchronized (mPackages) { 7169 p = mAppDirs.get(fullPathStr); 7170 if (p != null) { 7171 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7172 if (ps != null) { 7173 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7174 } else { 7175 removedUsers = sUserManager.getUserIds(); 7176 } 7177 } 7178 addedUsers = sUserManager.getUserIds(); 7179 } 7180 if ((event&REMOVE_EVENTS) != 0) { 7181 if (ps != null) { 7182 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7183 removePackageLI(ps, true); 7184 removedPackage = ps.name; 7185 removedAppId = ps.appId; 7186 } 7187 } 7188 7189 if ((event&ADD_EVENTS) != 0) { 7190 if (p == null) { 7191 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7192 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7193 if (mIsRom) { 7194 flags |= PackageParser.PARSE_IS_SYSTEM 7195 | PackageParser.PARSE_IS_SYSTEM_DIR; 7196 if (mIsPrivileged) { 7197 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7198 } 7199 } 7200 p = scanPackageLI(fullPath, flags, 7201 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7202 System.currentTimeMillis(), UserHandle.ALL, null); 7203 if (p != null) { 7204 /* 7205 * TODO this seems dangerous as the package may have 7206 * changed since we last acquired the mPackages 7207 * lock. 7208 */ 7209 // writer 7210 synchronized (mPackages) { 7211 updatePermissionsLPw(p.packageName, p, 7212 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7213 } 7214 addedPackage = p.applicationInfo.packageName; 7215 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7216 } 7217 } 7218 } 7219 7220 // reader 7221 synchronized (mPackages) { 7222 mSettings.writeLPr(); 7223 } 7224 } 7225 7226 if (removedPackage != null) { 7227 Bundle extras = new Bundle(1); 7228 extras.putInt(Intent.EXTRA_UID, removedAppId); 7229 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7230 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7231 extras, null, null, removedUsers); 7232 } 7233 if (addedPackage != null) { 7234 Bundle extras = new Bundle(1); 7235 extras.putInt(Intent.EXTRA_UID, addedAppId); 7236 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7237 extras, null, null, addedUsers); 7238 } 7239 } 7240 7241 private final String mRootDir; 7242 private final boolean mIsRom; 7243 private final boolean mIsPrivileged; 7244 } 7245 7246 /* Called when a downloaded package installation has been confirmed by the user */ 7247 public void installPackage( 7248 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7249 installPackage(packageURI, observer, flags, null); 7250 } 7251 7252 /* Called when a downloaded package installation has been confirmed by the user */ 7253 @Override 7254 public void installPackage( 7255 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7256 final String installerPackageName) { 7257 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 7258 null, null); 7259 } 7260 7261 @Override 7262 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7263 int flags, String installerPackageName, Uri verificationURI, 7264 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7265 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7266 VerificationParams.NO_UID, manifestDigest); 7267 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 7268 installerPackageName, verificationParams, encryptionParams); 7269 } 7270 7271 @Override 7272 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7273 IPackageInstallObserver observer, int flags, String installerPackageName, 7274 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7275 installPackageWithVerificationEncryptionAndAbiOverride(packageURI, observer, flags, 7276 installerPackageName, verificationParams, encryptionParams, null); 7277 } 7278 7279 @Override 7280 public void installPackageWithVerificationEncryptionAndAbiOverride(Uri packageURI, 7281 IPackageInstallObserver observer, int flags, String installerPackageName, 7282 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7283 String packageAbiOverride) { 7284 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7285 null); 7286 7287 final int uid = Binder.getCallingUid(); 7288 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7289 try { 7290 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7291 } catch (RemoteException re) { 7292 } 7293 return; 7294 } 7295 7296 UserHandle user; 7297 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7298 user = UserHandle.ALL; 7299 } else { 7300 user = new UserHandle(UserHandle.getUserId(uid)); 7301 } 7302 7303 final int filteredFlags; 7304 7305 if (uid == Process.SHELL_UID || uid == 0) { 7306 if (DEBUG_INSTALL) { 7307 Slog.v(TAG, "Install from ADB"); 7308 } 7309 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7310 } else { 7311 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7312 } 7313 7314 verificationParams.setInstallerUid(uid); 7315 7316 final Message msg = mHandler.obtainMessage(INIT_COPY); 7317 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 7318 verificationParams, encryptionParams, user, 7319 packageAbiOverride); 7320 mHandler.sendMessage(msg); 7321 } 7322 7323 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7324 Bundle extras = new Bundle(1); 7325 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7326 7327 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7328 packageName, extras, null, null, new int[] {userId}); 7329 try { 7330 IActivityManager am = ActivityManagerNative.getDefault(); 7331 final boolean isSystem = 7332 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7333 if (isSystem && am.isUserRunning(userId, false)) { 7334 // The just-installed/enabled app is bundled on the system, so presumed 7335 // to be able to run automatically without needing an explicit launch. 7336 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7337 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7338 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7339 .setPackage(packageName); 7340 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7341 android.app.AppOpsManager.OP_NONE, false, false, userId); 7342 } 7343 } catch (RemoteException e) { 7344 // shouldn't happen 7345 Slog.w(TAG, "Unable to bootstrap installed package", e); 7346 } 7347 } 7348 7349 @Override 7350 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7351 int userId) { 7352 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7353 PackageSetting pkgSetting; 7354 final int uid = Binder.getCallingUid(); 7355 if (UserHandle.getUserId(uid) != userId) { 7356 mContext.enforceCallingOrSelfPermission( 7357 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7358 "setApplicationBlockedSetting for user " + userId); 7359 } 7360 7361 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7362 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7363 return false; 7364 } 7365 7366 long callingId = Binder.clearCallingIdentity(); 7367 try { 7368 boolean sendAdded = false; 7369 boolean sendRemoved = false; 7370 // writer 7371 synchronized (mPackages) { 7372 pkgSetting = mSettings.mPackages.get(packageName); 7373 if (pkgSetting == null) { 7374 return false; 7375 } 7376 if (pkgSetting.getBlocked(userId) != blocked) { 7377 pkgSetting.setBlocked(blocked, userId); 7378 mSettings.writePackageRestrictionsLPr(userId); 7379 if (blocked) { 7380 sendRemoved = true; 7381 } else { 7382 sendAdded = true; 7383 } 7384 } 7385 } 7386 if (sendAdded) { 7387 sendPackageAddedForUser(packageName, pkgSetting, userId); 7388 return true; 7389 } 7390 if (sendRemoved) { 7391 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7392 "blocking pkg"); 7393 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7394 } 7395 } finally { 7396 Binder.restoreCallingIdentity(callingId); 7397 } 7398 return false; 7399 } 7400 7401 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7402 int userId) { 7403 final PackageRemovedInfo info = new PackageRemovedInfo(); 7404 info.removedPackage = packageName; 7405 info.removedUsers = new int[] {userId}; 7406 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7407 info.sendBroadcast(false, false, false); 7408 } 7409 7410 /** 7411 * Returns true if application is not found or there was an error. Otherwise it returns 7412 * the blocked state of the package for the given user. 7413 */ 7414 @Override 7415 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7416 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7417 PackageSetting pkgSetting; 7418 final int uid = Binder.getCallingUid(); 7419 if (UserHandle.getUserId(uid) != userId) { 7420 mContext.enforceCallingPermission( 7421 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7422 "getApplicationBlocked for user " + userId); 7423 } 7424 long callingId = Binder.clearCallingIdentity(); 7425 try { 7426 // writer 7427 synchronized (mPackages) { 7428 pkgSetting = mSettings.mPackages.get(packageName); 7429 if (pkgSetting == null) { 7430 return true; 7431 } 7432 return pkgSetting.getBlocked(userId); 7433 } 7434 } finally { 7435 Binder.restoreCallingIdentity(callingId); 7436 } 7437 } 7438 7439 /** 7440 * @hide 7441 */ 7442 @Override 7443 public int installExistingPackageAsUser(String packageName, int userId) { 7444 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7445 null); 7446 PackageSetting pkgSetting; 7447 final int uid = Binder.getCallingUid(); 7448 if (UserHandle.getUserId(uid) != userId) { 7449 mContext.enforceCallingPermission( 7450 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7451 "installExistingPackage for user " + userId); 7452 } 7453 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7454 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7455 } 7456 7457 long callingId = Binder.clearCallingIdentity(); 7458 try { 7459 boolean sendAdded = false; 7460 Bundle extras = new Bundle(1); 7461 7462 // writer 7463 synchronized (mPackages) { 7464 pkgSetting = mSettings.mPackages.get(packageName); 7465 if (pkgSetting == null) { 7466 return PackageManager.INSTALL_FAILED_INVALID_URI; 7467 } 7468 if (!pkgSetting.getInstalled(userId)) { 7469 pkgSetting.setInstalled(true, userId); 7470 pkgSetting.setBlocked(false, userId); 7471 mSettings.writePackageRestrictionsLPr(userId); 7472 sendAdded = true; 7473 } 7474 } 7475 7476 if (sendAdded) { 7477 sendPackageAddedForUser(packageName, pkgSetting, userId); 7478 } 7479 } finally { 7480 Binder.restoreCallingIdentity(callingId); 7481 } 7482 7483 return PackageManager.INSTALL_SUCCEEDED; 7484 } 7485 7486 private boolean isUserRestricted(int userId, String restrictionKey) { 7487 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7488 if (restrictions.getBoolean(restrictionKey, false)) { 7489 Log.w(TAG, "User is restricted: " + restrictionKey); 7490 return true; 7491 } 7492 return false; 7493 } 7494 7495 @Override 7496 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7497 mContext.enforceCallingOrSelfPermission( 7498 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7499 "Only package verification agents can verify applications"); 7500 7501 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7502 final PackageVerificationResponse response = new PackageVerificationResponse( 7503 verificationCode, Binder.getCallingUid()); 7504 msg.arg1 = id; 7505 msg.obj = response; 7506 mHandler.sendMessage(msg); 7507 } 7508 7509 @Override 7510 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7511 long millisecondsToDelay) { 7512 mContext.enforceCallingOrSelfPermission( 7513 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7514 "Only package verification agents can extend verification timeouts"); 7515 7516 final PackageVerificationState state = mPendingVerification.get(id); 7517 final PackageVerificationResponse response = new PackageVerificationResponse( 7518 verificationCodeAtTimeout, Binder.getCallingUid()); 7519 7520 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7521 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7522 } 7523 if (millisecondsToDelay < 0) { 7524 millisecondsToDelay = 0; 7525 } 7526 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7527 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7528 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7529 } 7530 7531 if ((state != null) && !state.timeoutExtended()) { 7532 state.extendTimeout(); 7533 7534 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7535 msg.arg1 = id; 7536 msg.obj = response; 7537 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7538 } 7539 } 7540 7541 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7542 int verificationCode, UserHandle user) { 7543 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7544 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7545 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7546 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7547 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7548 7549 mContext.sendBroadcastAsUser(intent, user, 7550 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7551 } 7552 7553 private ComponentName matchComponentForVerifier(String packageName, 7554 List<ResolveInfo> receivers) { 7555 ActivityInfo targetReceiver = null; 7556 7557 final int NR = receivers.size(); 7558 for (int i = 0; i < NR; i++) { 7559 final ResolveInfo info = receivers.get(i); 7560 if (info.activityInfo == null) { 7561 continue; 7562 } 7563 7564 if (packageName.equals(info.activityInfo.packageName)) { 7565 targetReceiver = info.activityInfo; 7566 break; 7567 } 7568 } 7569 7570 if (targetReceiver == null) { 7571 return null; 7572 } 7573 7574 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7575 } 7576 7577 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7578 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7579 if (pkgInfo.verifiers.length == 0) { 7580 return null; 7581 } 7582 7583 final int N = pkgInfo.verifiers.length; 7584 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7585 for (int i = 0; i < N; i++) { 7586 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7587 7588 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7589 receivers); 7590 if (comp == null) { 7591 continue; 7592 } 7593 7594 final int verifierUid = getUidForVerifier(verifierInfo); 7595 if (verifierUid == -1) { 7596 continue; 7597 } 7598 7599 if (DEBUG_VERIFY) { 7600 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7601 + " with the correct signature"); 7602 } 7603 sufficientVerifiers.add(comp); 7604 verificationState.addSufficientVerifier(verifierUid); 7605 } 7606 7607 return sufficientVerifiers; 7608 } 7609 7610 private int getUidForVerifier(VerifierInfo verifierInfo) { 7611 synchronized (mPackages) { 7612 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7613 if (pkg == null) { 7614 return -1; 7615 } else if (pkg.mSignatures.length != 1) { 7616 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7617 + " has more than one signature; ignoring"); 7618 return -1; 7619 } 7620 7621 /* 7622 * If the public key of the package's signature does not match 7623 * our expected public key, then this is a different package and 7624 * we should skip. 7625 */ 7626 7627 final byte[] expectedPublicKey; 7628 try { 7629 final Signature verifierSig = pkg.mSignatures[0]; 7630 final PublicKey publicKey = verifierSig.getPublicKey(); 7631 expectedPublicKey = publicKey.getEncoded(); 7632 } catch (CertificateException e) { 7633 return -1; 7634 } 7635 7636 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7637 7638 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7639 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7640 + " does not have the expected public key; ignoring"); 7641 return -1; 7642 } 7643 7644 return pkg.applicationInfo.uid; 7645 } 7646 } 7647 7648 @Override 7649 public void finishPackageInstall(int token) { 7650 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7651 7652 if (DEBUG_INSTALL) { 7653 Slog.v(TAG, "BM finishing package install for " + token); 7654 } 7655 7656 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7657 mHandler.sendMessage(msg); 7658 } 7659 7660 /** 7661 * Get the verification agent timeout. 7662 * 7663 * @return verification timeout in milliseconds 7664 */ 7665 private long getVerificationTimeout() { 7666 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7667 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7668 DEFAULT_VERIFICATION_TIMEOUT); 7669 } 7670 7671 /** 7672 * Get the default verification agent response code. 7673 * 7674 * @return default verification response code 7675 */ 7676 private int getDefaultVerificationResponse() { 7677 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7678 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7679 DEFAULT_VERIFICATION_RESPONSE); 7680 } 7681 7682 /** 7683 * Check whether or not package verification has been enabled. 7684 * 7685 * @return true if verification should be performed 7686 */ 7687 private boolean isVerificationEnabled(int flags) { 7688 if (!DEFAULT_VERIFY_ENABLE) { 7689 return false; 7690 } 7691 7692 // Check if installing from ADB 7693 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7694 // Do not run verification in a test harness environment 7695 if (ActivityManager.isRunningInTestHarness()) { 7696 return false; 7697 } 7698 // Check if the developer does not want package verification for ADB installs 7699 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7700 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7701 return false; 7702 } 7703 } 7704 7705 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7706 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7707 } 7708 7709 /** 7710 * Get the "allow unknown sources" setting. 7711 * 7712 * @return the current "allow unknown sources" setting 7713 */ 7714 private int getUnknownSourcesSettings() { 7715 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7716 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7717 -1); 7718 } 7719 7720 @Override 7721 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7722 final int uid = Binder.getCallingUid(); 7723 // writer 7724 synchronized (mPackages) { 7725 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7726 if (targetPackageSetting == null) { 7727 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7728 } 7729 7730 PackageSetting installerPackageSetting; 7731 if (installerPackageName != null) { 7732 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7733 if (installerPackageSetting == null) { 7734 throw new IllegalArgumentException("Unknown installer package: " 7735 + installerPackageName); 7736 } 7737 } else { 7738 installerPackageSetting = null; 7739 } 7740 7741 Signature[] callerSignature; 7742 Object obj = mSettings.getUserIdLPr(uid); 7743 if (obj != null) { 7744 if (obj instanceof SharedUserSetting) { 7745 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7746 } else if (obj instanceof PackageSetting) { 7747 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7748 } else { 7749 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7750 } 7751 } else { 7752 throw new SecurityException("Unknown calling uid " + uid); 7753 } 7754 7755 // Verify: can't set installerPackageName to a package that is 7756 // not signed with the same cert as the caller. 7757 if (installerPackageSetting != null) { 7758 if (compareSignatures(callerSignature, 7759 installerPackageSetting.signatures.mSignatures) 7760 != PackageManager.SIGNATURE_MATCH) { 7761 throw new SecurityException( 7762 "Caller does not have same cert as new installer package " 7763 + installerPackageName); 7764 } 7765 } 7766 7767 // Verify: if target already has an installer package, it must 7768 // be signed with the same cert as the caller. 7769 if (targetPackageSetting.installerPackageName != null) { 7770 PackageSetting setting = mSettings.mPackages.get( 7771 targetPackageSetting.installerPackageName); 7772 // If the currently set package isn't valid, then it's always 7773 // okay to change it. 7774 if (setting != null) { 7775 if (compareSignatures(callerSignature, 7776 setting.signatures.mSignatures) 7777 != PackageManager.SIGNATURE_MATCH) { 7778 throw new SecurityException( 7779 "Caller does not have same cert as old installer package " 7780 + targetPackageSetting.installerPackageName); 7781 } 7782 } 7783 } 7784 7785 // Okay! 7786 targetPackageSetting.installerPackageName = installerPackageName; 7787 scheduleWriteSettingsLocked(); 7788 } 7789 } 7790 7791 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7792 // Queue up an async operation since the package installation may take a little while. 7793 mHandler.post(new Runnable() { 7794 public void run() { 7795 mHandler.removeCallbacks(this); 7796 // Result object to be returned 7797 PackageInstalledInfo res = new PackageInstalledInfo(); 7798 res.returnCode = currentStatus; 7799 res.uid = -1; 7800 res.pkg = null; 7801 res.removedInfo = new PackageRemovedInfo(); 7802 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7803 args.doPreInstall(res.returnCode); 7804 synchronized (mInstallLock) { 7805 installPackageLI(args, true, res); 7806 } 7807 args.doPostInstall(res.returnCode, res.uid); 7808 } 7809 7810 // A restore should be performed at this point if (a) the install 7811 // succeeded, (b) the operation is not an update, and (c) the new 7812 // package has a backupAgent defined. 7813 final boolean update = res.removedInfo.removedPackage != null; 7814 boolean doRestore = (!update 7815 && res.pkg != null 7816 && res.pkg.applicationInfo.backupAgentName != null); 7817 7818 // Set up the post-install work request bookkeeping. This will be used 7819 // and cleaned up by the post-install event handling regardless of whether 7820 // there's a restore pass performed. Token values are >= 1. 7821 int token; 7822 if (mNextInstallToken < 0) mNextInstallToken = 1; 7823 token = mNextInstallToken++; 7824 7825 PostInstallData data = new PostInstallData(args, res); 7826 mRunningInstalls.put(token, data); 7827 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7828 7829 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7830 // Pass responsibility to the Backup Manager. It will perform a 7831 // restore if appropriate, then pass responsibility back to the 7832 // Package Manager to run the post-install observer callbacks 7833 // and broadcasts. 7834 IBackupManager bm = IBackupManager.Stub.asInterface( 7835 ServiceManager.getService(Context.BACKUP_SERVICE)); 7836 if (bm != null) { 7837 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7838 + " to BM for possible restore"); 7839 try { 7840 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7841 } catch (RemoteException e) { 7842 // can't happen; the backup manager is local 7843 } catch (Exception e) { 7844 Slog.e(TAG, "Exception trying to enqueue restore", e); 7845 doRestore = false; 7846 } 7847 } else { 7848 Slog.e(TAG, "Backup Manager not found!"); 7849 doRestore = false; 7850 } 7851 } 7852 7853 if (!doRestore) { 7854 // No restore possible, or the Backup Manager was mysteriously not 7855 // available -- just fire the post-install work request directly. 7856 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7857 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7858 mHandler.sendMessage(msg); 7859 } 7860 } 7861 }); 7862 } 7863 7864 private abstract class HandlerParams { 7865 private static final int MAX_RETRIES = 4; 7866 7867 /** 7868 * Number of times startCopy() has been attempted and had a non-fatal 7869 * error. 7870 */ 7871 private int mRetries = 0; 7872 7873 /** User handle for the user requesting the information or installation. */ 7874 private final UserHandle mUser; 7875 7876 HandlerParams(UserHandle user) { 7877 mUser = user; 7878 } 7879 7880 UserHandle getUser() { 7881 return mUser; 7882 } 7883 7884 final boolean startCopy() { 7885 boolean res; 7886 try { 7887 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7888 7889 if (++mRetries > MAX_RETRIES) { 7890 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7891 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7892 handleServiceError(); 7893 return false; 7894 } else { 7895 handleStartCopy(); 7896 res = true; 7897 } 7898 } catch (RemoteException e) { 7899 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7900 mHandler.sendEmptyMessage(MCS_RECONNECT); 7901 res = false; 7902 } 7903 handleReturnCode(); 7904 return res; 7905 } 7906 7907 final void serviceError() { 7908 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7909 handleServiceError(); 7910 handleReturnCode(); 7911 } 7912 7913 abstract void handleStartCopy() throws RemoteException; 7914 abstract void handleServiceError(); 7915 abstract void handleReturnCode(); 7916 } 7917 7918 class MeasureParams extends HandlerParams { 7919 private final PackageStats mStats; 7920 private boolean mSuccess; 7921 7922 private final IPackageStatsObserver mObserver; 7923 7924 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7925 super(new UserHandle(stats.userHandle)); 7926 mObserver = observer; 7927 mStats = stats; 7928 } 7929 7930 @Override 7931 public String toString() { 7932 return "MeasureParams{" 7933 + Integer.toHexString(System.identityHashCode(this)) 7934 + " " + mStats.packageName + "}"; 7935 } 7936 7937 @Override 7938 void handleStartCopy() throws RemoteException { 7939 synchronized (mInstallLock) { 7940 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7941 } 7942 7943 final boolean mounted; 7944 if (Environment.isExternalStorageEmulated()) { 7945 mounted = true; 7946 } else { 7947 final String status = Environment.getExternalStorageState(); 7948 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7949 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7950 } 7951 7952 if (mounted) { 7953 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7954 7955 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7956 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7957 7958 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7959 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7960 7961 // Always subtract cache size, since it's a subdirectory 7962 mStats.externalDataSize -= mStats.externalCacheSize; 7963 7964 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7965 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7966 7967 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7968 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7969 } 7970 } 7971 7972 @Override 7973 void handleReturnCode() { 7974 if (mObserver != null) { 7975 try { 7976 mObserver.onGetStatsCompleted(mStats, mSuccess); 7977 } catch (RemoteException e) { 7978 Slog.i(TAG, "Observer no longer exists."); 7979 } 7980 } 7981 } 7982 7983 @Override 7984 void handleServiceError() { 7985 Slog.e(TAG, "Could not measure application " + mStats.packageName 7986 + " external storage"); 7987 } 7988 } 7989 7990 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7991 throws RemoteException { 7992 long result = 0; 7993 for (File path : paths) { 7994 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7995 } 7996 return result; 7997 } 7998 7999 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8000 for (File path : paths) { 8001 try { 8002 mcs.clearDirectory(path.getAbsolutePath()); 8003 } catch (RemoteException e) { 8004 } 8005 } 8006 } 8007 8008 class InstallParams extends HandlerParams { 8009 final IPackageInstallObserver observer; 8010 int flags; 8011 8012 private final Uri mPackageURI; 8013 final String installerPackageName; 8014 final VerificationParams verificationParams; 8015 private InstallArgs mArgs; 8016 private int mRet; 8017 private File mTempPackage; 8018 final ContainerEncryptionParams encryptionParams; 8019 final String packageAbiOverride; 8020 final String packageInstructionSetOverride; 8021 8022 InstallParams(Uri packageURI, 8023 IPackageInstallObserver observer, int flags, 8024 String installerPackageName, VerificationParams verificationParams, 8025 ContainerEncryptionParams encryptionParams, UserHandle user, 8026 String packageAbiOverride) { 8027 super(user); 8028 this.mPackageURI = packageURI; 8029 this.flags = flags; 8030 this.observer = observer; 8031 this.installerPackageName = installerPackageName; 8032 this.verificationParams = verificationParams; 8033 this.encryptionParams = encryptionParams; 8034 this.packageAbiOverride = packageAbiOverride; 8035 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8036 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8037 } 8038 8039 @Override 8040 public String toString() { 8041 return "InstallParams{" 8042 + Integer.toHexString(System.identityHashCode(this)) 8043 + " " + mPackageURI + "}"; 8044 } 8045 8046 public ManifestDigest getManifestDigest() { 8047 if (verificationParams == null) { 8048 return null; 8049 } 8050 return verificationParams.getManifestDigest(); 8051 } 8052 8053 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8054 String packageName = pkgLite.packageName; 8055 int installLocation = pkgLite.installLocation; 8056 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8057 // reader 8058 synchronized (mPackages) { 8059 PackageParser.Package pkg = mPackages.get(packageName); 8060 if (pkg != null) { 8061 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8062 // Check for downgrading. 8063 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8064 if (pkgLite.versionCode < pkg.mVersionCode) { 8065 Slog.w(TAG, "Can't install update of " + packageName 8066 + " update version " + pkgLite.versionCode 8067 + " is older than installed version " 8068 + pkg.mVersionCode); 8069 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8070 } 8071 } 8072 // Check for updated system application. 8073 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8074 if (onSd) { 8075 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8076 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8077 } 8078 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8079 } else { 8080 if (onSd) { 8081 // Install flag overrides everything. 8082 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8083 } 8084 // If current upgrade specifies particular preference 8085 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8086 // Application explicitly specified internal. 8087 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8088 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8089 // App explictly prefers external. Let policy decide 8090 } else { 8091 // Prefer previous location 8092 if (isExternal(pkg)) { 8093 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8094 } 8095 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8096 } 8097 } 8098 } else { 8099 // Invalid install. Return error code 8100 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8101 } 8102 } 8103 } 8104 // All the special cases have been taken care of. 8105 // Return result based on recommended install location. 8106 if (onSd) { 8107 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8108 } 8109 return pkgLite.recommendedInstallLocation; 8110 } 8111 8112 private long getMemoryLowThreshold() { 8113 final DeviceStorageMonitorInternal 8114 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8115 if (dsm == null) { 8116 return 0L; 8117 } 8118 return dsm.getMemoryLowThreshold(); 8119 } 8120 8121 /* 8122 * Invoke remote method to get package information and install 8123 * location values. Override install location based on default 8124 * policy if needed and then create install arguments based 8125 * on the install location. 8126 */ 8127 public void handleStartCopy() throws RemoteException { 8128 int ret = PackageManager.INSTALL_SUCCEEDED; 8129 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8130 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8131 PackageInfoLite pkgLite = null; 8132 8133 if (onInt && onSd) { 8134 // Check if both bits are set. 8135 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8136 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8137 } else { 8138 final long lowThreshold = getMemoryLowThreshold(); 8139 if (lowThreshold == 0L) { 8140 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8141 } 8142 8143 try { 8144 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8145 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8146 8147 final File packageFile; 8148 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8149 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8150 if (mTempPackage != null) { 8151 ParcelFileDescriptor out; 8152 try { 8153 out = ParcelFileDescriptor.open(mTempPackage, 8154 ParcelFileDescriptor.MODE_READ_WRITE); 8155 } catch (FileNotFoundException e) { 8156 out = null; 8157 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8158 } 8159 8160 // Make a temporary file for decryption. 8161 ret = mContainerService 8162 .copyResource(mPackageURI, encryptionParams, out); 8163 IoUtils.closeQuietly(out); 8164 8165 packageFile = mTempPackage; 8166 8167 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8168 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8169 | FileUtils.S_IROTH, 8170 -1, -1); 8171 } else { 8172 packageFile = null; 8173 } 8174 } else { 8175 packageFile = new File(mPackageURI.getPath()); 8176 } 8177 8178 if (packageFile != null) { 8179 // Remote call to find out default install location 8180 final String packageFilePath = packageFile.getAbsolutePath(); 8181 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8182 lowThreshold, packageAbiOverride); 8183 8184 /* 8185 * If we have too little free space, try to free cache 8186 * before giving up. 8187 */ 8188 if (pkgLite.recommendedInstallLocation 8189 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8190 final long size = mContainerService.calculateInstalledSize( 8191 packageFilePath, isForwardLocked(), packageAbiOverride); 8192 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8193 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8194 flags, lowThreshold, packageAbiOverride); 8195 } 8196 /* 8197 * The cache free must have deleted the file we 8198 * downloaded to install. 8199 * 8200 * TODO: fix the "freeCache" call to not delete 8201 * the file we care about. 8202 */ 8203 if (pkgLite.recommendedInstallLocation 8204 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8205 pkgLite.recommendedInstallLocation 8206 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8207 } 8208 } 8209 } 8210 } finally { 8211 mContext.revokeUriPermission(mPackageURI, 8212 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8213 } 8214 } 8215 8216 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8217 int loc = pkgLite.recommendedInstallLocation; 8218 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8219 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8220 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8221 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8222 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8223 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8224 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8225 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8226 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8227 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8228 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8229 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8230 } else { 8231 // Override with defaults if needed. 8232 loc = installLocationPolicy(pkgLite, flags); 8233 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8234 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8235 } else if (!onSd && !onInt) { 8236 // Override install location with flags 8237 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8238 // Set the flag to install on external media. 8239 flags |= PackageManager.INSTALL_EXTERNAL; 8240 flags &= ~PackageManager.INSTALL_INTERNAL; 8241 } else { 8242 // Make sure the flag for installing on external 8243 // media is unset 8244 flags |= PackageManager.INSTALL_INTERNAL; 8245 flags &= ~PackageManager.INSTALL_EXTERNAL; 8246 } 8247 } 8248 } 8249 } 8250 8251 final InstallArgs args = createInstallArgs(this); 8252 mArgs = args; 8253 8254 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8255 /* 8256 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8257 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8258 */ 8259 int userIdentifier = getUser().getIdentifier(); 8260 if (userIdentifier == UserHandle.USER_ALL 8261 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8262 userIdentifier = UserHandle.USER_OWNER; 8263 } 8264 8265 /* 8266 * Determine if we have any installed package verifiers. If we 8267 * do, then we'll defer to them to verify the packages. 8268 */ 8269 final int requiredUid = mRequiredVerifierPackage == null ? -1 8270 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8271 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8272 final Intent verification = new Intent( 8273 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8274 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8275 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8276 8277 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8278 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8279 0 /* TODO: Which userId? */); 8280 8281 if (DEBUG_VERIFY) { 8282 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8283 + verification.toString() + " with " + pkgLite.verifiers.length 8284 + " optional verifiers"); 8285 } 8286 8287 final int verificationId = mPendingVerificationToken++; 8288 8289 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8290 8291 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8292 installerPackageName); 8293 8294 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8295 8296 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8297 pkgLite.packageName); 8298 8299 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8300 pkgLite.versionCode); 8301 8302 if (verificationParams != null) { 8303 if (verificationParams.getVerificationURI() != null) { 8304 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8305 verificationParams.getVerificationURI()); 8306 } 8307 if (verificationParams.getOriginatingURI() != null) { 8308 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8309 verificationParams.getOriginatingURI()); 8310 } 8311 if (verificationParams.getReferrer() != null) { 8312 verification.putExtra(Intent.EXTRA_REFERRER, 8313 verificationParams.getReferrer()); 8314 } 8315 if (verificationParams.getOriginatingUid() >= 0) { 8316 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8317 verificationParams.getOriginatingUid()); 8318 } 8319 if (verificationParams.getInstallerUid() >= 0) { 8320 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8321 verificationParams.getInstallerUid()); 8322 } 8323 } 8324 8325 final PackageVerificationState verificationState = new PackageVerificationState( 8326 requiredUid, args); 8327 8328 mPendingVerification.append(verificationId, verificationState); 8329 8330 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8331 receivers, verificationState); 8332 8333 /* 8334 * If any sufficient verifiers were listed in the package 8335 * manifest, attempt to ask them. 8336 */ 8337 if (sufficientVerifiers != null) { 8338 final int N = sufficientVerifiers.size(); 8339 if (N == 0) { 8340 Slog.i(TAG, "Additional verifiers required, but none installed."); 8341 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8342 } else { 8343 for (int i = 0; i < N; i++) { 8344 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8345 8346 final Intent sufficientIntent = new Intent(verification); 8347 sufficientIntent.setComponent(verifierComponent); 8348 8349 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8350 } 8351 } 8352 } 8353 8354 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8355 mRequiredVerifierPackage, receivers); 8356 if (ret == PackageManager.INSTALL_SUCCEEDED 8357 && mRequiredVerifierPackage != null) { 8358 /* 8359 * Send the intent to the required verification agent, 8360 * but only start the verification timeout after the 8361 * target BroadcastReceivers have run. 8362 */ 8363 verification.setComponent(requiredVerifierComponent); 8364 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8365 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8366 new BroadcastReceiver() { 8367 @Override 8368 public void onReceive(Context context, Intent intent) { 8369 final Message msg = mHandler 8370 .obtainMessage(CHECK_PENDING_VERIFICATION); 8371 msg.arg1 = verificationId; 8372 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8373 } 8374 }, null, 0, null, null); 8375 8376 /* 8377 * We don't want the copy to proceed until verification 8378 * succeeds, so null out this field. 8379 */ 8380 mArgs = null; 8381 } 8382 } else { 8383 /* 8384 * No package verification is enabled, so immediately start 8385 * the remote call to initiate copy using temporary file. 8386 */ 8387 ret = args.copyApk(mContainerService, true); 8388 } 8389 } 8390 8391 mRet = ret; 8392 } 8393 8394 @Override 8395 void handleReturnCode() { 8396 // If mArgs is null, then MCS couldn't be reached. When it 8397 // reconnects, it will try again to install. At that point, this 8398 // will succeed. 8399 if (mArgs != null) { 8400 processPendingInstall(mArgs, mRet); 8401 8402 if (mTempPackage != null) { 8403 if (!mTempPackage.delete()) { 8404 Slog.w(TAG, "Couldn't delete temporary file: " + 8405 mTempPackage.getAbsolutePath()); 8406 } 8407 } 8408 } 8409 } 8410 8411 @Override 8412 void handleServiceError() { 8413 mArgs = createInstallArgs(this); 8414 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8415 } 8416 8417 public boolean isForwardLocked() { 8418 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8419 } 8420 8421 public Uri getPackageUri() { 8422 if (mTempPackage != null) { 8423 return Uri.fromFile(mTempPackage); 8424 } else { 8425 return mPackageURI; 8426 } 8427 } 8428 } 8429 8430 /* 8431 * Utility class used in movePackage api. 8432 * srcArgs and targetArgs are not set for invalid flags and make 8433 * sure to do null checks when invoking methods on them. 8434 * We probably want to return ErrorPrams for both failed installs 8435 * and moves. 8436 */ 8437 class MoveParams extends HandlerParams { 8438 final IPackageMoveObserver observer; 8439 final int flags; 8440 final String packageName; 8441 final InstallArgs srcArgs; 8442 final InstallArgs targetArgs; 8443 int uid; 8444 int mRet; 8445 8446 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8447 String packageName, String dataDir, String instructionSet, 8448 int uid, UserHandle user) { 8449 super(user); 8450 this.srcArgs = srcArgs; 8451 this.observer = observer; 8452 this.flags = flags; 8453 this.packageName = packageName; 8454 this.uid = uid; 8455 if (srcArgs != null) { 8456 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8457 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8458 } else { 8459 targetArgs = null; 8460 } 8461 } 8462 8463 @Override 8464 public String toString() { 8465 return "MoveParams{" 8466 + Integer.toHexString(System.identityHashCode(this)) 8467 + " " + packageName + "}"; 8468 } 8469 8470 public void handleStartCopy() throws RemoteException { 8471 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8472 // Check for storage space on target medium 8473 if (!targetArgs.checkFreeStorage(mContainerService)) { 8474 Log.w(TAG, "Insufficient storage to install"); 8475 return; 8476 } 8477 8478 mRet = srcArgs.doPreCopy(); 8479 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8480 return; 8481 } 8482 8483 mRet = targetArgs.copyApk(mContainerService, false); 8484 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8485 srcArgs.doPostCopy(uid); 8486 return; 8487 } 8488 8489 mRet = srcArgs.doPostCopy(uid); 8490 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8491 return; 8492 } 8493 8494 mRet = targetArgs.doPreInstall(mRet); 8495 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8496 return; 8497 } 8498 8499 if (DEBUG_SD_INSTALL) { 8500 StringBuilder builder = new StringBuilder(); 8501 if (srcArgs != null) { 8502 builder.append("src: "); 8503 builder.append(srcArgs.getCodePath()); 8504 } 8505 if (targetArgs != null) { 8506 builder.append(" target : "); 8507 builder.append(targetArgs.getCodePath()); 8508 } 8509 Log.i(TAG, builder.toString()); 8510 } 8511 } 8512 8513 @Override 8514 void handleReturnCode() { 8515 targetArgs.doPostInstall(mRet, uid); 8516 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8517 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8518 currentStatus = PackageManager.MOVE_SUCCEEDED; 8519 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8520 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8521 } 8522 processPendingMove(this, currentStatus); 8523 } 8524 8525 @Override 8526 void handleServiceError() { 8527 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8528 } 8529 } 8530 8531 /** 8532 * Used during creation of InstallArgs 8533 * 8534 * @param flags package installation flags 8535 * @return true if should be installed on external storage 8536 */ 8537 private static boolean installOnSd(int flags) { 8538 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8539 return false; 8540 } 8541 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8542 return true; 8543 } 8544 return false; 8545 } 8546 8547 /** 8548 * Used during creation of InstallArgs 8549 * 8550 * @param flags package installation flags 8551 * @return true if should be installed as forward locked 8552 */ 8553 private static boolean installForwardLocked(int flags) { 8554 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8555 } 8556 8557 private InstallArgs createInstallArgs(InstallParams params) { 8558 if (installOnSd(params.flags) || params.isForwardLocked()) { 8559 return new AsecInstallArgs(params); 8560 } else { 8561 return new FileInstallArgs(params); 8562 } 8563 } 8564 8565 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8566 String nativeLibraryPath, String instructionSet) { 8567 final boolean isInAsec; 8568 if (installOnSd(flags)) { 8569 /* Apps on SD card are always in ASEC containers. */ 8570 isInAsec = true; 8571 } else if (installForwardLocked(flags) 8572 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8573 /* 8574 * Forward-locked apps are only in ASEC containers if they're the 8575 * new style 8576 */ 8577 isInAsec = true; 8578 } else { 8579 isInAsec = false; 8580 } 8581 8582 if (isInAsec) { 8583 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8584 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8585 } else { 8586 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8587 instructionSet); 8588 } 8589 } 8590 8591 // Used by package mover 8592 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8593 String instructionSet) { 8594 if (installOnSd(flags) || installForwardLocked(flags)) { 8595 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8596 + AsecInstallArgs.RES_FILE_NAME); 8597 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8598 installForwardLocked(flags)); 8599 } else { 8600 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8601 } 8602 } 8603 8604 static abstract class InstallArgs { 8605 final IPackageInstallObserver observer; 8606 // Always refers to PackageManager flags only 8607 final int flags; 8608 final Uri packageURI; 8609 final String installerPackageName; 8610 final ManifestDigest manifestDigest; 8611 final UserHandle user; 8612 final String instructionSet; 8613 final String abiOverride; 8614 8615 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8616 String installerPackageName, ManifestDigest manifestDigest, 8617 UserHandle user, String instructionSet, String abiOverride) { 8618 this.packageURI = packageURI; 8619 this.flags = flags; 8620 this.observer = observer; 8621 this.installerPackageName = installerPackageName; 8622 this.manifestDigest = manifestDigest; 8623 this.user = user; 8624 this.instructionSet = instructionSet; 8625 this.abiOverride = abiOverride; 8626 } 8627 8628 abstract void createCopyFile(); 8629 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8630 abstract int doPreInstall(int status); 8631 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8632 8633 abstract int doPostInstall(int status, int uid); 8634 abstract String getCodePath(); 8635 abstract String getResourcePath(); 8636 abstract String getNativeLibraryPath(); 8637 // Need installer lock especially for dex file removal. 8638 abstract void cleanUpResourcesLI(); 8639 abstract boolean doPostDeleteLI(boolean delete); 8640 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8641 8642 /** 8643 * Called before the source arguments are copied. This is used mostly 8644 * for MoveParams when it needs to read the source file to put it in the 8645 * destination. 8646 */ 8647 int doPreCopy() { 8648 return PackageManager.INSTALL_SUCCEEDED; 8649 } 8650 8651 /** 8652 * Called after the source arguments are copied. This is used mostly for 8653 * MoveParams when it needs to read the source file to put it in the 8654 * destination. 8655 * 8656 * @return 8657 */ 8658 int doPostCopy(int uid) { 8659 return PackageManager.INSTALL_SUCCEEDED; 8660 } 8661 8662 protected boolean isFwdLocked() { 8663 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8664 } 8665 8666 UserHandle getUser() { 8667 return user; 8668 } 8669 } 8670 8671 class FileInstallArgs extends InstallArgs { 8672 File installDir; 8673 String codeFileName; 8674 String resourceFileName; 8675 String libraryPath; 8676 boolean created = false; 8677 8678 FileInstallArgs(InstallParams params) { 8679 super(params.getPackageUri(), params.observer, params.flags, 8680 params.installerPackageName, params.getManifestDigest(), 8681 params.getUser(), params.packageInstructionSetOverride, 8682 params.packageAbiOverride); 8683 } 8684 8685 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8686 String instructionSet) { 8687 super(null, null, 0, null, null, null, instructionSet, null); 8688 File codeFile = new File(fullCodePath); 8689 installDir = codeFile.getParentFile(); 8690 codeFileName = fullCodePath; 8691 resourceFileName = fullResourcePath; 8692 libraryPath = nativeLibraryPath; 8693 } 8694 8695 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8696 super(packageURI, null, 0, null, null, null, instructionSet, null); 8697 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8698 String apkName = getNextCodePath(null, pkgName, ".apk"); 8699 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8700 resourceFileName = getResourcePathFromCodePath(); 8701 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8702 } 8703 8704 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8705 final long lowThreshold; 8706 8707 final DeviceStorageMonitorInternal 8708 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8709 if (dsm == null) { 8710 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8711 lowThreshold = 0L; 8712 } else { 8713 if (dsm.isMemoryLow()) { 8714 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8715 return false; 8716 } 8717 8718 lowThreshold = dsm.getMemoryLowThreshold(); 8719 } 8720 8721 try { 8722 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8723 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8724 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8725 } finally { 8726 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8727 } 8728 } 8729 8730 String getCodePath() { 8731 return codeFileName; 8732 } 8733 8734 void createCopyFile() { 8735 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8736 codeFileName = createTempPackageFile(installDir).getPath(); 8737 resourceFileName = getResourcePathFromCodePath(); 8738 libraryPath = getLibraryPathFromCodePath(); 8739 created = true; 8740 } 8741 8742 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8743 if (temp) { 8744 // Generate temp file name 8745 createCopyFile(); 8746 } 8747 // Get a ParcelFileDescriptor to write to the output file 8748 File codeFile = new File(codeFileName); 8749 if (!created) { 8750 try { 8751 codeFile.createNewFile(); 8752 // Set permissions 8753 if (!setPermissions()) { 8754 // Failed setting permissions. 8755 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8756 } 8757 } catch (IOException e) { 8758 Slog.w(TAG, "Failed to create file " + codeFile); 8759 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8760 } 8761 } 8762 ParcelFileDescriptor out = null; 8763 try { 8764 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8765 } catch (FileNotFoundException e) { 8766 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8767 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8768 } 8769 // Copy the resource now 8770 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8771 try { 8772 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8773 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8774 ret = imcs.copyResource(packageURI, null, out); 8775 } finally { 8776 IoUtils.closeQuietly(out); 8777 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8778 } 8779 8780 if (isFwdLocked()) { 8781 final File destResourceFile = new File(getResourcePath()); 8782 8783 // Copy the public files 8784 try { 8785 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8786 } catch (IOException e) { 8787 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8788 + " forward-locked app."); 8789 destResourceFile.delete(); 8790 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8791 } 8792 } 8793 8794 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8795 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8796 if (nativeLibraryFile.exists()) { 8797 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8798 nativeLibraryFile.delete(); 8799 } 8800 8801 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 8802 String[] abiList = (abiOverride != null) ? 8803 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 8804 try { 8805 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 8806 abiOverride == null && 8807 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8808 abiList = Build.SUPPORTED_32_BIT_ABIS; 8809 } 8810 8811 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 8812 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8813 return copyRet; 8814 } 8815 } catch (IOException e) { 8816 Slog.e(TAG, "Copying native libraries failed", e); 8817 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8818 } finally { 8819 handle.close(); 8820 } 8821 8822 return ret; 8823 } 8824 8825 int doPreInstall(int status) { 8826 if (status != PackageManager.INSTALL_SUCCEEDED) { 8827 cleanUp(); 8828 } 8829 return status; 8830 } 8831 8832 boolean doRename(int status, final String pkgName, String oldCodePath) { 8833 if (status != PackageManager.INSTALL_SUCCEEDED) { 8834 cleanUp(); 8835 return false; 8836 } else { 8837 final File oldCodeFile = new File(getCodePath()); 8838 final File oldResourceFile = new File(getResourcePath()); 8839 final File oldLibraryFile = new File(getNativeLibraryPath()); 8840 8841 // Rename APK file based on packageName 8842 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8843 final File newCodeFile = new File(installDir, apkName + ".apk"); 8844 if (!oldCodeFile.renameTo(newCodeFile)) { 8845 return false; 8846 } 8847 codeFileName = newCodeFile.getPath(); 8848 8849 // Rename public resource file if it's forward-locked. 8850 final File newResFile = new File(getResourcePathFromCodePath()); 8851 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8852 return false; 8853 } 8854 resourceFileName = newResFile.getPath(); 8855 8856 // Rename library path 8857 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8858 if (newLibraryFile.exists()) { 8859 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8860 newLibraryFile.delete(); 8861 } 8862 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8863 Slog.e(TAG, "Cannot rename native library directory " 8864 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8865 return false; 8866 } 8867 libraryPath = newLibraryFile.getPath(); 8868 8869 // Attempt to set permissions 8870 if (!setPermissions()) { 8871 return false; 8872 } 8873 8874 if (!SELinux.restorecon(newCodeFile)) { 8875 return false; 8876 } 8877 8878 return true; 8879 } 8880 } 8881 8882 int doPostInstall(int status, int uid) { 8883 if (status != PackageManager.INSTALL_SUCCEEDED) { 8884 cleanUp(); 8885 } 8886 return status; 8887 } 8888 8889 String getResourcePath() { 8890 return resourceFileName; 8891 } 8892 8893 private String getResourcePathFromCodePath() { 8894 final String codePath = getCodePath(); 8895 if (isFwdLocked()) { 8896 final StringBuilder sb = new StringBuilder(); 8897 8898 sb.append(mAppInstallDir.getPath()); 8899 sb.append('/'); 8900 sb.append(getApkName(codePath)); 8901 sb.append(".zip"); 8902 8903 /* 8904 * If our APK is a temporary file, mark the resource as a 8905 * temporary file as well so it can be cleaned up after 8906 * catastrophic failure. 8907 */ 8908 if (codePath.endsWith(".tmp")) { 8909 sb.append(".tmp"); 8910 } 8911 8912 return sb.toString(); 8913 } else { 8914 return codePath; 8915 } 8916 } 8917 8918 private String getLibraryPathFromCodePath() { 8919 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8920 } 8921 8922 @Override 8923 String getNativeLibraryPath() { 8924 if (libraryPath == null) { 8925 libraryPath = getLibraryPathFromCodePath(); 8926 } 8927 return libraryPath; 8928 } 8929 8930 private boolean cleanUp() { 8931 boolean ret = true; 8932 String sourceDir = getCodePath(); 8933 String publicSourceDir = getResourcePath(); 8934 if (sourceDir != null) { 8935 File sourceFile = new File(sourceDir); 8936 if (!sourceFile.exists()) { 8937 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8938 ret = false; 8939 } 8940 // Delete application's code and resources 8941 sourceFile.delete(); 8942 } 8943 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8944 final File publicSourceFile = new File(publicSourceDir); 8945 if (!publicSourceFile.exists()) { 8946 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8947 } 8948 if (publicSourceFile.exists()) { 8949 publicSourceFile.delete(); 8950 } 8951 } 8952 8953 if (libraryPath != null) { 8954 File nativeLibraryFile = new File(libraryPath); 8955 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8956 if (!nativeLibraryFile.delete()) { 8957 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8958 } 8959 } 8960 8961 return ret; 8962 } 8963 8964 void cleanUpResourcesLI() { 8965 String sourceDir = getCodePath(); 8966 if (cleanUp()) { 8967 if (instructionSet == null) { 8968 throw new IllegalStateException("instructionSet == null"); 8969 } 8970 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 8971 if (retCode < 0) { 8972 Slog.w(TAG, "Couldn't remove dex file for package: " 8973 + " at location " 8974 + sourceDir + ", retcode=" + retCode); 8975 // we don't consider this to be a failure of the core package deletion 8976 } 8977 } 8978 } 8979 8980 private boolean setPermissions() { 8981 // TODO Do this in a more elegant way later on. for now just a hack 8982 if (!isFwdLocked()) { 8983 final int filePermissions = 8984 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8985 |FileUtils.S_IROTH; 8986 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8987 if (retCode != 0) { 8988 Slog.e(TAG, "Couldn't set new package file permissions for " + 8989 getCodePath() 8990 + ". The return code was: " + retCode); 8991 // TODO Define new internal error 8992 return false; 8993 } 8994 return true; 8995 } 8996 return true; 8997 } 8998 8999 boolean doPostDeleteLI(boolean delete) { 9000 // XXX err, shouldn't we respect the delete flag? 9001 cleanUpResourcesLI(); 9002 return true; 9003 } 9004 } 9005 9006 private boolean isAsecExternal(String cid) { 9007 final String asecPath = PackageHelper.getSdFilesystem(cid); 9008 return !asecPath.startsWith(mAsecInternalPath); 9009 } 9010 9011 /** 9012 * Extract the MountService "container ID" from the full code path of an 9013 * .apk. 9014 */ 9015 static String cidFromCodePath(String fullCodePath) { 9016 int eidx = fullCodePath.lastIndexOf("/"); 9017 String subStr1 = fullCodePath.substring(0, eidx); 9018 int sidx = subStr1.lastIndexOf("/"); 9019 return subStr1.substring(sidx+1, eidx); 9020 } 9021 9022 class AsecInstallArgs extends InstallArgs { 9023 static final String RES_FILE_NAME = "pkg.apk"; 9024 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9025 9026 String cid; 9027 String packagePath; 9028 String resourcePath; 9029 String libraryPath; 9030 9031 AsecInstallArgs(InstallParams params) { 9032 super(params.getPackageUri(), params.observer, params.flags, 9033 params.installerPackageName, params.getManifestDigest(), 9034 params.getUser(), params.packageInstructionSetOverride, 9035 params.packageAbiOverride); 9036 } 9037 9038 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9039 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9040 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9041 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9042 null, null, null, instructionSet, null); 9043 // Extract cid from fullCodePath 9044 int eidx = fullCodePath.lastIndexOf("/"); 9045 String subStr1 = fullCodePath.substring(0, eidx); 9046 int sidx = subStr1.lastIndexOf("/"); 9047 cid = subStr1.substring(sidx+1, eidx); 9048 setCachePath(subStr1); 9049 } 9050 9051 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9052 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9053 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9054 null, null, null, instructionSet, null); 9055 this.cid = cid; 9056 setCachePath(PackageHelper.getSdDir(cid)); 9057 } 9058 9059 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9060 boolean isExternal, boolean isForwardLocked) { 9061 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9062 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9063 null, null, null, instructionSet, null); 9064 this.cid = cid; 9065 } 9066 9067 void createCopyFile() { 9068 cid = getTempContainerId(); 9069 } 9070 9071 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9072 try { 9073 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9074 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9075 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9076 } finally { 9077 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9078 } 9079 } 9080 9081 private final boolean isExternal() { 9082 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9083 } 9084 9085 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9086 if (temp) { 9087 createCopyFile(); 9088 } else { 9089 /* 9090 * Pre-emptively destroy the container since it's destroyed if 9091 * copying fails due to it existing anyway. 9092 */ 9093 PackageHelper.destroySdDir(cid); 9094 } 9095 9096 final String newCachePath; 9097 try { 9098 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9099 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9100 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9101 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9102 abiOverride); 9103 } finally { 9104 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9105 } 9106 9107 if (newCachePath != null) { 9108 setCachePath(newCachePath); 9109 return PackageManager.INSTALL_SUCCEEDED; 9110 } else { 9111 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9112 } 9113 } 9114 9115 @Override 9116 String getCodePath() { 9117 return packagePath; 9118 } 9119 9120 @Override 9121 String getResourcePath() { 9122 return resourcePath; 9123 } 9124 9125 @Override 9126 String getNativeLibraryPath() { 9127 return libraryPath; 9128 } 9129 9130 int doPreInstall(int status) { 9131 if (status != PackageManager.INSTALL_SUCCEEDED) { 9132 // Destroy container 9133 PackageHelper.destroySdDir(cid); 9134 } else { 9135 boolean mounted = PackageHelper.isContainerMounted(cid); 9136 if (!mounted) { 9137 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9138 Process.SYSTEM_UID); 9139 if (newCachePath != null) { 9140 setCachePath(newCachePath); 9141 } else { 9142 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9143 } 9144 } 9145 } 9146 return status; 9147 } 9148 9149 boolean doRename(int status, final String pkgName, 9150 String oldCodePath) { 9151 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9152 String newCachePath = null; 9153 if (PackageHelper.isContainerMounted(cid)) { 9154 // Unmount the container 9155 if (!PackageHelper.unMountSdDir(cid)) { 9156 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9157 return false; 9158 } 9159 } 9160 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9161 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9162 " which might be stale. Will try to clean up."); 9163 // Clean up the stale container and proceed to recreate. 9164 if (!PackageHelper.destroySdDir(newCacheId)) { 9165 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9166 return false; 9167 } 9168 // Successfully cleaned up stale container. Try to rename again. 9169 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9170 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9171 + " inspite of cleaning it up."); 9172 return false; 9173 } 9174 } 9175 if (!PackageHelper.isContainerMounted(newCacheId)) { 9176 Slog.w(TAG, "Mounting container " + newCacheId); 9177 newCachePath = PackageHelper.mountSdDir(newCacheId, 9178 getEncryptKey(), Process.SYSTEM_UID); 9179 } else { 9180 newCachePath = PackageHelper.getSdDir(newCacheId); 9181 } 9182 if (newCachePath == null) { 9183 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9184 return false; 9185 } 9186 Log.i(TAG, "Succesfully renamed " + cid + 9187 " to " + newCacheId + 9188 " at new path: " + newCachePath); 9189 cid = newCacheId; 9190 setCachePath(newCachePath); 9191 return true; 9192 } 9193 9194 private void setCachePath(String newCachePath) { 9195 File cachePath = new File(newCachePath); 9196 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9197 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9198 9199 if (isFwdLocked()) { 9200 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9201 } else { 9202 resourcePath = packagePath; 9203 } 9204 } 9205 9206 int doPostInstall(int status, int uid) { 9207 if (status != PackageManager.INSTALL_SUCCEEDED) { 9208 cleanUp(); 9209 } else { 9210 final int groupOwner; 9211 final String protectedFile; 9212 if (isFwdLocked()) { 9213 groupOwner = UserHandle.getSharedAppGid(uid); 9214 protectedFile = RES_FILE_NAME; 9215 } else { 9216 groupOwner = -1; 9217 protectedFile = null; 9218 } 9219 9220 if (uid < Process.FIRST_APPLICATION_UID 9221 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9222 Slog.e(TAG, "Failed to finalize " + cid); 9223 PackageHelper.destroySdDir(cid); 9224 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9225 } 9226 9227 boolean mounted = PackageHelper.isContainerMounted(cid); 9228 if (!mounted) { 9229 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9230 } 9231 } 9232 return status; 9233 } 9234 9235 private void cleanUp() { 9236 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9237 9238 // Destroy secure container 9239 PackageHelper.destroySdDir(cid); 9240 } 9241 9242 void cleanUpResourcesLI() { 9243 String sourceFile = getCodePath(); 9244 // Remove dex file 9245 if (instructionSet == null) { 9246 throw new IllegalStateException("instructionSet == null"); 9247 } 9248 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9249 if (retCode < 0) { 9250 Slog.w(TAG, "Couldn't remove dex file for package: " 9251 + " at location " 9252 + sourceFile.toString() + ", retcode=" + retCode); 9253 // we don't consider this to be a failure of the core package deletion 9254 } 9255 cleanUp(); 9256 } 9257 9258 boolean matchContainer(String app) { 9259 if (cid.startsWith(app)) { 9260 return true; 9261 } 9262 return false; 9263 } 9264 9265 String getPackageName() { 9266 return getAsecPackageName(cid); 9267 } 9268 9269 boolean doPostDeleteLI(boolean delete) { 9270 boolean ret = false; 9271 boolean mounted = PackageHelper.isContainerMounted(cid); 9272 if (mounted) { 9273 // Unmount first 9274 ret = PackageHelper.unMountSdDir(cid); 9275 } 9276 if (ret && delete) { 9277 cleanUpResourcesLI(); 9278 } 9279 return ret; 9280 } 9281 9282 @Override 9283 int doPreCopy() { 9284 if (isFwdLocked()) { 9285 if (!PackageHelper.fixSdPermissions(cid, 9286 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9287 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9288 } 9289 } 9290 9291 return PackageManager.INSTALL_SUCCEEDED; 9292 } 9293 9294 @Override 9295 int doPostCopy(int uid) { 9296 if (isFwdLocked()) { 9297 if (uid < Process.FIRST_APPLICATION_UID 9298 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9299 RES_FILE_NAME)) { 9300 Slog.e(TAG, "Failed to finalize " + cid); 9301 PackageHelper.destroySdDir(cid); 9302 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9303 } 9304 } 9305 9306 return PackageManager.INSTALL_SUCCEEDED; 9307 } 9308 }; 9309 9310 static String getAsecPackageName(String packageCid) { 9311 int idx = packageCid.lastIndexOf("-"); 9312 if (idx == -1) { 9313 return packageCid; 9314 } 9315 return packageCid.substring(0, idx); 9316 } 9317 9318 // Utility method used to create code paths based on package name and available index. 9319 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9320 String idxStr = ""; 9321 int idx = 1; 9322 // Fall back to default value of idx=1 if prefix is not 9323 // part of oldCodePath 9324 if (oldCodePath != null) { 9325 String subStr = oldCodePath; 9326 // Drop the suffix right away 9327 if (subStr.endsWith(suffix)) { 9328 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9329 } 9330 // If oldCodePath already contains prefix find out the 9331 // ending index to either increment or decrement. 9332 int sidx = subStr.lastIndexOf(prefix); 9333 if (sidx != -1) { 9334 subStr = subStr.substring(sidx + prefix.length()); 9335 if (subStr != null) { 9336 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9337 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9338 } 9339 try { 9340 idx = Integer.parseInt(subStr); 9341 if (idx <= 1) { 9342 idx++; 9343 } else { 9344 idx--; 9345 } 9346 } catch(NumberFormatException e) { 9347 } 9348 } 9349 } 9350 } 9351 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9352 return prefix + idxStr; 9353 } 9354 9355 // Utility method used to ignore ADD/REMOVE events 9356 // by directory observer. 9357 private static boolean ignoreCodePath(String fullPathStr) { 9358 String apkName = getApkName(fullPathStr); 9359 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9360 if (idx != -1 && ((idx+1) < apkName.length())) { 9361 // Make sure the package ends with a numeral 9362 String version = apkName.substring(idx+1); 9363 try { 9364 Integer.parseInt(version); 9365 return true; 9366 } catch (NumberFormatException e) {} 9367 } 9368 return false; 9369 } 9370 9371 // Utility method that returns the relative package path with respect 9372 // to the installation directory. Like say for /data/data/com.test-1.apk 9373 // string com.test-1 is returned. 9374 static String getApkName(String codePath) { 9375 if (codePath == null) { 9376 return null; 9377 } 9378 int sidx = codePath.lastIndexOf("/"); 9379 int eidx = codePath.lastIndexOf("."); 9380 if (eidx == -1) { 9381 eidx = codePath.length(); 9382 } else if (eidx == 0) { 9383 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9384 return null; 9385 } 9386 return codePath.substring(sidx+1, eidx); 9387 } 9388 9389 class PackageInstalledInfo { 9390 String name; 9391 int uid; 9392 // The set of users that originally had this package installed. 9393 int[] origUsers; 9394 // The set of users that now have this package installed. 9395 int[] newUsers; 9396 PackageParser.Package pkg; 9397 int returnCode; 9398 PackageRemovedInfo removedInfo; 9399 } 9400 9401 /* 9402 * Install a non-existing package. 9403 */ 9404 private void installNewPackageLI(PackageParser.Package pkg, 9405 int parseFlags, int scanMode, UserHandle user, 9406 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9407 // Remember this for later, in case we need to rollback this install 9408 String pkgName = pkg.packageName; 9409 9410 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9411 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9412 synchronized(mPackages) { 9413 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9414 // A package with the same name is already installed, though 9415 // it has been renamed to an older name. The package we 9416 // are trying to install should be installed as an update to 9417 // the existing one, but that has not been requested, so bail. 9418 Slog.w(TAG, "Attempt to re-install " + pkgName 9419 + " without first uninstalling package running as " 9420 + mSettings.mRenamedPackages.get(pkgName)); 9421 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9422 return; 9423 } 9424 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9425 // Don't allow installation over an existing package with the same name. 9426 Slog.w(TAG, "Attempt to re-install " + pkgName 9427 + " without first uninstalling."); 9428 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9429 return; 9430 } 9431 } 9432 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9433 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9434 System.currentTimeMillis(), user, abiOverride); 9435 if (newPackage == null) { 9436 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9437 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9438 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9439 } 9440 } else { 9441 updateSettingsLI(newPackage, 9442 installerPackageName, 9443 null, null, 9444 res); 9445 // delete the partially installed application. the data directory will have to be 9446 // restored if it was already existing 9447 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9448 // remove package from internal structures. Note that we want deletePackageX to 9449 // delete the package data and cache directories that it created in 9450 // scanPackageLocked, unless those directories existed before we even tried to 9451 // install. 9452 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9453 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9454 res.removedInfo, true); 9455 } 9456 } 9457 } 9458 9459 private void replacePackageLI(PackageParser.Package pkg, 9460 int parseFlags, int scanMode, UserHandle user, 9461 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9462 9463 PackageParser.Package oldPackage; 9464 String pkgName = pkg.packageName; 9465 int[] allUsers; 9466 boolean[] perUserInstalled; 9467 9468 // First find the old package info and check signatures 9469 synchronized(mPackages) { 9470 oldPackage = mPackages.get(pkgName); 9471 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9472 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9473 != PackageManager.SIGNATURE_MATCH) { 9474 Slog.w(TAG, "New package has a different signature: " + pkgName); 9475 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9476 return; 9477 } 9478 9479 // In case of rollback, remember per-user/profile install state 9480 PackageSetting ps = mSettings.mPackages.get(pkgName); 9481 allUsers = sUserManager.getUserIds(); 9482 perUserInstalled = new boolean[allUsers.length]; 9483 for (int i = 0; i < allUsers.length; i++) { 9484 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9485 } 9486 } 9487 boolean sysPkg = (isSystemApp(oldPackage)); 9488 if (sysPkg) { 9489 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9490 user, allUsers, perUserInstalled, installerPackageName, res, 9491 abiOverride); 9492 } else { 9493 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9494 user, allUsers, perUserInstalled, installerPackageName, res, 9495 abiOverride); 9496 } 9497 } 9498 9499 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9500 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9501 int[] allUsers, boolean[] perUserInstalled, 9502 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9503 PackageParser.Package newPackage = null; 9504 String pkgName = deletedPackage.packageName; 9505 boolean deletedPkg = true; 9506 boolean updatedSettings = false; 9507 9508 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9509 + deletedPackage); 9510 long origUpdateTime; 9511 if (pkg.mExtras != null) { 9512 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9513 } else { 9514 origUpdateTime = 0; 9515 } 9516 9517 // First delete the existing package while retaining the data directory 9518 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9519 res.removedInfo, true)) { 9520 // If the existing package wasn't successfully deleted 9521 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9522 deletedPkg = false; 9523 } else { 9524 // Successfully deleted the old package. Now proceed with re-installation 9525 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9526 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9527 System.currentTimeMillis(), user, abiOverride); 9528 if (newPackage == null) { 9529 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9530 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9531 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9532 } 9533 } else { 9534 updateSettingsLI(newPackage, 9535 installerPackageName, 9536 allUsers, perUserInstalled, 9537 res); 9538 updatedSettings = true; 9539 } 9540 } 9541 9542 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9543 // remove package from internal structures. Note that we want deletePackageX to 9544 // delete the package data and cache directories that it created in 9545 // scanPackageLocked, unless those directories existed before we even tried to 9546 // install. 9547 if(updatedSettings) { 9548 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9549 deletePackageLI( 9550 pkgName, null, true, allUsers, perUserInstalled, 9551 PackageManager.DELETE_KEEP_DATA, 9552 res.removedInfo, true); 9553 } 9554 // Since we failed to install the new package we need to restore the old 9555 // package that we deleted. 9556 if (deletedPkg) { 9557 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9558 File restoreFile = new File(deletedPackage.mPath); 9559 // Parse old package 9560 boolean oldOnSd = isExternal(deletedPackage); 9561 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9562 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9563 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9564 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9565 | SCAN_UPDATE_TIME; 9566 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9567 origUpdateTime, null, null) == null) { 9568 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9569 return; 9570 } 9571 // Restore of old package succeeded. Update permissions. 9572 // writer 9573 synchronized (mPackages) { 9574 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9575 UPDATE_PERMISSIONS_ALL); 9576 // can downgrade to reader 9577 mSettings.writeLPr(); 9578 } 9579 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9580 } 9581 } 9582 } 9583 9584 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9585 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9586 int[] allUsers, boolean[] perUserInstalled, 9587 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9588 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9589 + ", old=" + deletedPackage); 9590 PackageParser.Package newPackage = null; 9591 boolean updatedSettings = false; 9592 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9593 PackageParser.PARSE_IS_SYSTEM; 9594 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9595 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9596 } 9597 String packageName = deletedPackage.packageName; 9598 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9599 if (packageName == null) { 9600 Slog.w(TAG, "Attempt to delete null packageName."); 9601 return; 9602 } 9603 PackageParser.Package oldPkg; 9604 PackageSetting oldPkgSetting; 9605 // reader 9606 synchronized (mPackages) { 9607 oldPkg = mPackages.get(packageName); 9608 oldPkgSetting = mSettings.mPackages.get(packageName); 9609 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9610 (oldPkgSetting == null)) { 9611 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9612 return; 9613 } 9614 } 9615 9616 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9617 9618 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9619 res.removedInfo.removedPackage = packageName; 9620 // Remove existing system package 9621 removePackageLI(oldPkgSetting, true); 9622 // writer 9623 synchronized (mPackages) { 9624 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9625 // We didn't need to disable the .apk as a current system package, 9626 // which means we are replacing another update that is already 9627 // installed. We need to make sure to delete the older one's .apk. 9628 res.removedInfo.args = createInstallArgs(0, 9629 deletedPackage.applicationInfo.sourceDir, 9630 deletedPackage.applicationInfo.publicSourceDir, 9631 deletedPackage.applicationInfo.nativeLibraryDir, 9632 getAppInstructionSet(deletedPackage.applicationInfo)); 9633 } else { 9634 res.removedInfo.args = null; 9635 } 9636 } 9637 9638 // Successfully disabled the old package. Now proceed with re-installation 9639 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9640 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9641 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 9642 if (newPackage == null) { 9643 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9644 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9645 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9646 } 9647 } else { 9648 if (newPackage.mExtras != null) { 9649 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9650 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9651 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9652 } 9653 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9654 updatedSettings = true; 9655 } 9656 9657 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9658 // Re installation failed. Restore old information 9659 // Remove new pkg information 9660 if (newPackage != null) { 9661 removeInstalledPackageLI(newPackage, true); 9662 } 9663 // Add back the old system package 9664 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 9665 // Restore the old system information in Settings 9666 synchronized(mPackages) { 9667 if (updatedSettings) { 9668 mSettings.enableSystemPackageLPw(packageName); 9669 mSettings.setInstallerPackageName(packageName, 9670 oldPkgSetting.installerPackageName); 9671 } 9672 mSettings.writeLPr(); 9673 } 9674 } 9675 } 9676 9677 // Utility method used to move dex files during install. 9678 private int moveDexFilesLI(PackageParser.Package newPackage) { 9679 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9680 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 9681 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9682 instructionSet); 9683 if (retCode != 0) { 9684 /* 9685 * Programs may be lazily run through dexopt, so the 9686 * source may not exist. However, something seems to 9687 * have gone wrong, so note that dexopt needs to be 9688 * run again and remove the source file. In addition, 9689 * remove the target to make sure there isn't a stale 9690 * file from a previous version of the package. 9691 */ 9692 newPackage.mDexOptNeeded = true; 9693 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 9694 mInstaller.rmdex(newPackage.mPath, instructionSet); 9695 } 9696 } 9697 return PackageManager.INSTALL_SUCCEEDED; 9698 } 9699 9700 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9701 int[] allUsers, boolean[] perUserInstalled, 9702 PackageInstalledInfo res) { 9703 String pkgName = newPackage.packageName; 9704 synchronized (mPackages) { 9705 //write settings. the installStatus will be incomplete at this stage. 9706 //note that the new package setting would have already been 9707 //added to mPackages. It hasn't been persisted yet. 9708 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9709 mSettings.writeLPr(); 9710 } 9711 9712 if ((res.returnCode = moveDexFilesLI(newPackage)) 9713 != PackageManager.INSTALL_SUCCEEDED) { 9714 // Discontinue if moving dex files failed. 9715 return; 9716 } 9717 9718 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9719 9720 synchronized (mPackages) { 9721 updatePermissionsLPw(newPackage.packageName, newPackage, 9722 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9723 ? UPDATE_PERMISSIONS_ALL : 0)); 9724 // For system-bundled packages, we assume that installing an upgraded version 9725 // of the package implies that the user actually wants to run that new code, 9726 // so we enable the package. 9727 if (isSystemApp(newPackage)) { 9728 // NB: implicit assumption that system package upgrades apply to all users 9729 if (DEBUG_INSTALL) { 9730 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9731 } 9732 PackageSetting ps = mSettings.mPackages.get(pkgName); 9733 if (ps != null) { 9734 if (res.origUsers != null) { 9735 for (int userHandle : res.origUsers) { 9736 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9737 userHandle, installerPackageName); 9738 } 9739 } 9740 // Also convey the prior install/uninstall state 9741 if (allUsers != null && perUserInstalled != null) { 9742 for (int i = 0; i < allUsers.length; i++) { 9743 if (DEBUG_INSTALL) { 9744 Slog.d(TAG, " user " + allUsers[i] 9745 + " => " + perUserInstalled[i]); 9746 } 9747 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9748 } 9749 // these install state changes will be persisted in the 9750 // upcoming call to mSettings.writeLPr(). 9751 } 9752 } 9753 } 9754 res.name = pkgName; 9755 res.uid = newPackage.applicationInfo.uid; 9756 res.pkg = newPackage; 9757 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9758 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9759 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9760 //to update install status 9761 mSettings.writeLPr(); 9762 } 9763 } 9764 9765 private void installPackageLI(InstallArgs args, 9766 boolean newInstall, PackageInstalledInfo res) { 9767 int pFlags = args.flags; 9768 String installerPackageName = args.installerPackageName; 9769 File tmpPackageFile = new File(args.getCodePath()); 9770 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9771 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9772 boolean replace = false; 9773 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9774 | (newInstall ? SCAN_NEW_INSTALL : 0); 9775 // Result object to be returned 9776 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9777 9778 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9779 // Retrieve PackageSettings and parse package 9780 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9781 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9782 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9783 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9784 pp.setSeparateProcesses(mSeparateProcesses); 9785 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9786 null, mMetrics, parseFlags); 9787 if (pkg == null) { 9788 res.returnCode = pp.getParseError(); 9789 return; 9790 } 9791 String pkgName = res.name = pkg.packageName; 9792 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9793 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9794 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9795 return; 9796 } 9797 } 9798 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9799 res.returnCode = pp.getParseError(); 9800 return; 9801 } 9802 9803 /* If the installer passed in a manifest digest, compare it now. */ 9804 if (args.manifestDigest != null) { 9805 if (DEBUG_INSTALL) { 9806 final String parsedManifest = pkg.manifestDigest == null ? "null" 9807 : pkg.manifestDigest.toString(); 9808 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9809 + parsedManifest); 9810 } 9811 9812 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9813 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9814 return; 9815 } 9816 } else if (DEBUG_INSTALL) { 9817 final String parsedManifest = pkg.manifestDigest == null 9818 ? "null" : pkg.manifestDigest.toString(); 9819 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9820 } 9821 9822 // Get rid of all references to package scan path via parser. 9823 pp = null; 9824 String oldCodePath = null; 9825 boolean systemApp = false; 9826 synchronized (mPackages) { 9827 // Check if installing already existing package 9828 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9829 String oldName = mSettings.mRenamedPackages.get(pkgName); 9830 if (pkg.mOriginalPackages != null 9831 && pkg.mOriginalPackages.contains(oldName) 9832 && mPackages.containsKey(oldName)) { 9833 // This package is derived from an original package, 9834 // and this device has been updating from that original 9835 // name. We must continue using the original name, so 9836 // rename the new package here. 9837 pkg.setPackageName(oldName); 9838 pkgName = pkg.packageName; 9839 replace = true; 9840 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9841 + oldName + " pkgName=" + pkgName); 9842 } else if (mPackages.containsKey(pkgName)) { 9843 // This package, under its official name, already exists 9844 // on the device; we should replace it. 9845 replace = true; 9846 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9847 } 9848 } 9849 PackageSetting ps = mSettings.mPackages.get(pkgName); 9850 if (ps != null) { 9851 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9852 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9853 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9854 systemApp = (ps.pkg.applicationInfo.flags & 9855 ApplicationInfo.FLAG_SYSTEM) != 0; 9856 } 9857 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9858 } 9859 } 9860 9861 if (systemApp && onSd) { 9862 // Disable updates to system apps on sdcard 9863 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9864 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9865 return; 9866 } 9867 9868 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9869 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9870 return; 9871 } 9872 // Set application objects path explicitly after the rename 9873 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9874 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9875 if (replace) { 9876 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9877 installerPackageName, res, args.abiOverride); 9878 } else { 9879 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9880 installerPackageName, res, args.abiOverride); 9881 } 9882 synchronized (mPackages) { 9883 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9884 if (ps != null) { 9885 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9886 } 9887 } 9888 } 9889 9890 private static boolean isForwardLocked(PackageParser.Package pkg) { 9891 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9892 } 9893 9894 9895 private boolean isForwardLocked(PackageSetting ps) { 9896 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9897 } 9898 9899 private static boolean isExternal(PackageParser.Package pkg) { 9900 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9901 } 9902 9903 private static boolean isExternal(PackageSetting ps) { 9904 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9905 } 9906 9907 private static boolean isSystemApp(PackageParser.Package pkg) { 9908 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9909 } 9910 9911 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9912 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9913 } 9914 9915 private static boolean isSystemApp(ApplicationInfo info) { 9916 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9917 } 9918 9919 private static boolean isSystemApp(PackageSetting ps) { 9920 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9921 } 9922 9923 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9924 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9925 } 9926 9927 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9928 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9929 } 9930 9931 private int packageFlagsToInstallFlags(PackageSetting ps) { 9932 int installFlags = 0; 9933 if (isExternal(ps)) { 9934 installFlags |= PackageManager.INSTALL_EXTERNAL; 9935 } 9936 if (isForwardLocked(ps)) { 9937 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9938 } 9939 return installFlags; 9940 } 9941 9942 private void deleteTempPackageFiles() { 9943 final FilenameFilter filter = new FilenameFilter() { 9944 public boolean accept(File dir, String name) { 9945 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9946 } 9947 }; 9948 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9949 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9950 } 9951 9952 private static final void deleteTempPackageFilesInDirectory(File directory, 9953 FilenameFilter filter) { 9954 final String[] tmpFilesList = directory.list(filter); 9955 if (tmpFilesList == null) { 9956 return; 9957 } 9958 for (int i = 0; i < tmpFilesList.length; i++) { 9959 final File tmpFile = new File(directory, tmpFilesList[i]); 9960 tmpFile.delete(); 9961 } 9962 } 9963 9964 private File createTempPackageFile(File installDir) { 9965 File tmpPackageFile; 9966 try { 9967 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9968 } catch (IOException e) { 9969 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9970 return null; 9971 } 9972 try { 9973 FileUtils.setPermissions( 9974 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9975 -1, -1); 9976 if (!SELinux.restorecon(tmpPackageFile)) { 9977 return null; 9978 } 9979 } catch (IOException e) { 9980 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9981 return null; 9982 } 9983 return tmpPackageFile; 9984 } 9985 9986 @Override 9987 public void deletePackageAsUser(final String packageName, 9988 final IPackageDeleteObserver observer, 9989 final int userId, final int flags) { 9990 mContext.enforceCallingOrSelfPermission( 9991 android.Manifest.permission.DELETE_PACKAGES, null); 9992 final int uid = Binder.getCallingUid(); 9993 if (UserHandle.getUserId(uid) != userId) { 9994 mContext.enforceCallingPermission( 9995 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9996 "deletePackage for user " + userId); 9997 } 9998 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9999 try { 10000 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10001 } catch (RemoteException re) { 10002 } 10003 return; 10004 } 10005 10006 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10007 // Queue up an async operation since the package deletion may take a little while. 10008 mHandler.post(new Runnable() { 10009 public void run() { 10010 mHandler.removeCallbacks(this); 10011 final int returnCode = deletePackageX(packageName, userId, flags); 10012 if (observer != null) { 10013 try { 10014 observer.packageDeleted(packageName, returnCode); 10015 } catch (RemoteException e) { 10016 Log.i(TAG, "Observer no longer exists."); 10017 } //end catch 10018 } //end if 10019 } //end run 10020 }); 10021 } 10022 10023 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10024 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10025 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10026 try { 10027 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10028 || dpm.isDeviceOwner(packageName))) { 10029 return true; 10030 } 10031 } catch (RemoteException e) { 10032 } 10033 return false; 10034 } 10035 10036 /** 10037 * This method is an internal method that could be get invoked either 10038 * to delete an installed package or to clean up a failed installation. 10039 * After deleting an installed package, a broadcast is sent to notify any 10040 * listeners that the package has been installed. For cleaning up a failed 10041 * installation, the broadcast is not necessary since the package's 10042 * installation wouldn't have sent the initial broadcast either 10043 * The key steps in deleting a package are 10044 * deleting the package information in internal structures like mPackages, 10045 * deleting the packages base directories through installd 10046 * updating mSettings to reflect current status 10047 * persisting settings for later use 10048 * sending a broadcast if necessary 10049 */ 10050 private int deletePackageX(String packageName, int userId, int flags) { 10051 final PackageRemovedInfo info = new PackageRemovedInfo(); 10052 final boolean res; 10053 10054 if (isPackageDeviceAdmin(packageName, userId)) { 10055 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10056 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10057 } 10058 10059 boolean removedForAllUsers = false; 10060 boolean systemUpdate = false; 10061 10062 // for the uninstall-updates case and restricted profiles, remember the per- 10063 // userhandle installed state 10064 int[] allUsers; 10065 boolean[] perUserInstalled; 10066 synchronized (mPackages) { 10067 PackageSetting ps = mSettings.mPackages.get(packageName); 10068 allUsers = sUserManager.getUserIds(); 10069 perUserInstalled = new boolean[allUsers.length]; 10070 for (int i = 0; i < allUsers.length; i++) { 10071 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10072 } 10073 } 10074 10075 synchronized (mInstallLock) { 10076 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10077 res = deletePackageLI(packageName, 10078 (flags & PackageManager.DELETE_ALL_USERS) != 0 10079 ? UserHandle.ALL : new UserHandle(userId), 10080 true, allUsers, perUserInstalled, 10081 flags | REMOVE_CHATTY, info, true); 10082 systemUpdate = info.isRemovedPackageSystemUpdate; 10083 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10084 removedForAllUsers = true; 10085 } 10086 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10087 + " removedForAllUsers=" + removedForAllUsers); 10088 } 10089 10090 if (res) { 10091 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10092 10093 // If the removed package was a system update, the old system package 10094 // was re-enabled; we need to broadcast this information 10095 if (systemUpdate) { 10096 Bundle extras = new Bundle(1); 10097 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10098 ? info.removedAppId : info.uid); 10099 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10100 10101 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10102 extras, null, null, null); 10103 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10104 extras, null, null, null); 10105 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10106 null, packageName, null, null); 10107 } 10108 } 10109 // Force a gc here. 10110 Runtime.getRuntime().gc(); 10111 // Delete the resources here after sending the broadcast to let 10112 // other processes clean up before deleting resources. 10113 if (info.args != null) { 10114 synchronized (mInstallLock) { 10115 info.args.doPostDeleteLI(true); 10116 } 10117 } 10118 10119 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10120 } 10121 10122 static class PackageRemovedInfo { 10123 String removedPackage; 10124 int uid = -1; 10125 int removedAppId = -1; 10126 int[] removedUsers = null; 10127 boolean isRemovedPackageSystemUpdate = false; 10128 // Clean up resources deleted packages. 10129 InstallArgs args = null; 10130 10131 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10132 Bundle extras = new Bundle(1); 10133 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10134 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10135 if (replacing) { 10136 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10137 } 10138 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10139 if (removedPackage != null) { 10140 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10141 extras, null, null, removedUsers); 10142 if (fullRemove && !replacing) { 10143 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10144 extras, null, null, removedUsers); 10145 } 10146 } 10147 if (removedAppId >= 0) { 10148 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10149 removedUsers); 10150 } 10151 } 10152 } 10153 10154 /* 10155 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10156 * flag is not set, the data directory is removed as well. 10157 * make sure this flag is set for partially installed apps. If not its meaningless to 10158 * delete a partially installed application. 10159 */ 10160 private void removePackageDataLI(PackageSetting ps, 10161 int[] allUserHandles, boolean[] perUserInstalled, 10162 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10163 String packageName = ps.name; 10164 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10165 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10166 // Retrieve object to delete permissions for shared user later on 10167 final PackageSetting deletedPs; 10168 // reader 10169 synchronized (mPackages) { 10170 deletedPs = mSettings.mPackages.get(packageName); 10171 if (outInfo != null) { 10172 outInfo.removedPackage = packageName; 10173 outInfo.removedUsers = deletedPs != null 10174 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10175 : null; 10176 } 10177 } 10178 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10179 removeDataDirsLI(packageName); 10180 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10181 } 10182 // writer 10183 synchronized (mPackages) { 10184 if (deletedPs != null) { 10185 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10186 if (outInfo != null) { 10187 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10188 } 10189 if (deletedPs != null) { 10190 updatePermissionsLPw(deletedPs.name, null, 0); 10191 if (deletedPs.sharedUser != null) { 10192 // remove permissions associated with package 10193 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10194 } 10195 } 10196 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10197 } 10198 // make sure to preserve per-user disabled state if this removal was just 10199 // a downgrade of a system app to the factory package 10200 if (allUserHandles != null && perUserInstalled != null) { 10201 if (DEBUG_REMOVE) { 10202 Slog.d(TAG, "Propagating install state across downgrade"); 10203 } 10204 for (int i = 0; i < allUserHandles.length; i++) { 10205 if (DEBUG_REMOVE) { 10206 Slog.d(TAG, " user " + allUserHandles[i] 10207 + " => " + perUserInstalled[i]); 10208 } 10209 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10210 } 10211 } 10212 } 10213 // can downgrade to reader 10214 if (writeSettings) { 10215 // Save settings now 10216 mSettings.writeLPr(); 10217 } 10218 } 10219 if (outInfo != null) { 10220 // A user ID was deleted here. Go through all users and remove it 10221 // from KeyStore. 10222 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10223 } 10224 } 10225 10226 static boolean locationIsPrivileged(File path) { 10227 try { 10228 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10229 .getCanonicalPath(); 10230 return path.getCanonicalPath().startsWith(privilegedAppDir); 10231 } catch (IOException e) { 10232 Slog.e(TAG, "Unable to access code path " + path); 10233 } 10234 return false; 10235 } 10236 10237 /* 10238 * Tries to delete system package. 10239 */ 10240 private boolean deleteSystemPackageLI(PackageSetting newPs, 10241 int[] allUserHandles, boolean[] perUserInstalled, 10242 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10243 final boolean applyUserRestrictions 10244 = (allUserHandles != null) && (perUserInstalled != null); 10245 PackageSetting disabledPs = null; 10246 // Confirm if the system package has been updated 10247 // An updated system app can be deleted. This will also have to restore 10248 // the system pkg from system partition 10249 // reader 10250 synchronized (mPackages) { 10251 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10252 } 10253 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10254 + " disabledPs=" + disabledPs); 10255 if (disabledPs == null) { 10256 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10257 return false; 10258 } else if (DEBUG_REMOVE) { 10259 Slog.d(TAG, "Deleting system pkg from data partition"); 10260 } 10261 if (DEBUG_REMOVE) { 10262 if (applyUserRestrictions) { 10263 Slog.d(TAG, "Remembering install states:"); 10264 for (int i = 0; i < allUserHandles.length; i++) { 10265 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10266 } 10267 } 10268 } 10269 // Delete the updated package 10270 outInfo.isRemovedPackageSystemUpdate = true; 10271 if (disabledPs.versionCode < newPs.versionCode) { 10272 // Delete data for downgrades 10273 flags &= ~PackageManager.DELETE_KEEP_DATA; 10274 } else { 10275 // Preserve data by setting flag 10276 flags |= PackageManager.DELETE_KEEP_DATA; 10277 } 10278 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10279 allUserHandles, perUserInstalled, outInfo, writeSettings); 10280 if (!ret) { 10281 return false; 10282 } 10283 // writer 10284 synchronized (mPackages) { 10285 // Reinstate the old system package 10286 mSettings.enableSystemPackageLPw(newPs.name); 10287 // Remove any native libraries from the upgraded package. 10288 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10289 } 10290 // Install the system package 10291 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10292 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10293 if (locationIsPrivileged(disabledPs.codePath)) { 10294 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10295 } 10296 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10297 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10298 10299 if (newPkg == null) { 10300 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10301 + " with error:" + mLastScanError); 10302 return false; 10303 } 10304 // writer 10305 synchronized (mPackages) { 10306 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10307 setInternalAppNativeLibraryPath(newPkg, ps); 10308 updatePermissionsLPw(newPkg.packageName, newPkg, 10309 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10310 if (applyUserRestrictions) { 10311 if (DEBUG_REMOVE) { 10312 Slog.d(TAG, "Propagating install state across reinstall"); 10313 } 10314 for (int i = 0; i < allUserHandles.length; i++) { 10315 if (DEBUG_REMOVE) { 10316 Slog.d(TAG, " user " + allUserHandles[i] 10317 + " => " + perUserInstalled[i]); 10318 } 10319 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10320 } 10321 // Regardless of writeSettings we need to ensure that this restriction 10322 // state propagation is persisted 10323 mSettings.writeAllUsersPackageRestrictionsLPr(); 10324 } 10325 // can downgrade to reader here 10326 if (writeSettings) { 10327 mSettings.writeLPr(); 10328 } 10329 } 10330 return true; 10331 } 10332 10333 private boolean deleteInstalledPackageLI(PackageSetting ps, 10334 boolean deleteCodeAndResources, int flags, 10335 int[] allUserHandles, boolean[] perUserInstalled, 10336 PackageRemovedInfo outInfo, boolean writeSettings) { 10337 if (outInfo != null) { 10338 outInfo.uid = ps.appId; 10339 } 10340 10341 // Delete package data from internal structures and also remove data if flag is set 10342 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10343 10344 // Delete application code and resources 10345 if (deleteCodeAndResources && (outInfo != null)) { 10346 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10347 ps.resourcePathString, ps.nativeLibraryPathString, 10348 getAppInstructionSetFromSettings(ps)); 10349 } 10350 return true; 10351 } 10352 10353 /* 10354 * This method handles package deletion in general 10355 */ 10356 private boolean deletePackageLI(String packageName, UserHandle user, 10357 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10358 int flags, PackageRemovedInfo outInfo, 10359 boolean writeSettings) { 10360 if (packageName == null) { 10361 Slog.w(TAG, "Attempt to delete null packageName."); 10362 return false; 10363 } 10364 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10365 PackageSetting ps; 10366 boolean dataOnly = false; 10367 int removeUser = -1; 10368 int appId = -1; 10369 synchronized (mPackages) { 10370 ps = mSettings.mPackages.get(packageName); 10371 if (ps == null) { 10372 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10373 return false; 10374 } 10375 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10376 && user.getIdentifier() != UserHandle.USER_ALL) { 10377 // The caller is asking that the package only be deleted for a single 10378 // user. To do this, we just mark its uninstalled state and delete 10379 // its data. If this is a system app, we only allow this to happen if 10380 // they have set the special DELETE_SYSTEM_APP which requests different 10381 // semantics than normal for uninstalling system apps. 10382 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10383 ps.setUserState(user.getIdentifier(), 10384 COMPONENT_ENABLED_STATE_DEFAULT, 10385 false, //installed 10386 true, //stopped 10387 true, //notLaunched 10388 false, //blocked 10389 null, null, null); 10390 if (!isSystemApp(ps)) { 10391 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10392 // Other user still have this package installed, so all 10393 // we need to do is clear this user's data and save that 10394 // it is uninstalled. 10395 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10396 removeUser = user.getIdentifier(); 10397 appId = ps.appId; 10398 mSettings.writePackageRestrictionsLPr(removeUser); 10399 } else { 10400 // We need to set it back to 'installed' so the uninstall 10401 // broadcasts will be sent correctly. 10402 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10403 ps.setInstalled(true, user.getIdentifier()); 10404 } 10405 } else { 10406 // This is a system app, so we assume that the 10407 // other users still have this package installed, so all 10408 // we need to do is clear this user's data and save that 10409 // it is uninstalled. 10410 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10411 removeUser = user.getIdentifier(); 10412 appId = ps.appId; 10413 mSettings.writePackageRestrictionsLPr(removeUser); 10414 } 10415 } 10416 } 10417 10418 if (removeUser >= 0) { 10419 // From above, we determined that we are deleting this only 10420 // for a single user. Continue the work here. 10421 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10422 if (outInfo != null) { 10423 outInfo.removedPackage = packageName; 10424 outInfo.removedAppId = appId; 10425 outInfo.removedUsers = new int[] {removeUser}; 10426 } 10427 mInstaller.clearUserData(packageName, removeUser); 10428 removeKeystoreDataIfNeeded(removeUser, appId); 10429 schedulePackageCleaning(packageName, removeUser, false); 10430 return true; 10431 } 10432 10433 if (dataOnly) { 10434 // Delete application data first 10435 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10436 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10437 return true; 10438 } 10439 10440 boolean ret = false; 10441 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10442 if (isSystemApp(ps)) { 10443 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10444 // When an updated system application is deleted we delete the existing resources as well and 10445 // fall back to existing code in system partition 10446 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10447 flags, outInfo, writeSettings); 10448 } else { 10449 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10450 // Kill application pre-emptively especially for apps on sd. 10451 killApplication(packageName, ps.appId, "uninstall pkg"); 10452 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10453 allUserHandles, perUserInstalled, 10454 outInfo, writeSettings); 10455 } 10456 10457 return ret; 10458 } 10459 10460 private final class ClearStorageConnection implements ServiceConnection { 10461 IMediaContainerService mContainerService; 10462 10463 @Override 10464 public void onServiceConnected(ComponentName name, IBinder service) { 10465 synchronized (this) { 10466 mContainerService = IMediaContainerService.Stub.asInterface(service); 10467 notifyAll(); 10468 } 10469 } 10470 10471 @Override 10472 public void onServiceDisconnected(ComponentName name) { 10473 } 10474 } 10475 10476 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10477 final boolean mounted; 10478 if (Environment.isExternalStorageEmulated()) { 10479 mounted = true; 10480 } else { 10481 final String status = Environment.getExternalStorageState(); 10482 10483 mounted = status.equals(Environment.MEDIA_MOUNTED) 10484 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10485 } 10486 10487 if (!mounted) { 10488 return; 10489 } 10490 10491 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10492 int[] users; 10493 if (userId == UserHandle.USER_ALL) { 10494 users = sUserManager.getUserIds(); 10495 } else { 10496 users = new int[] { userId }; 10497 } 10498 final ClearStorageConnection conn = new ClearStorageConnection(); 10499 if (mContext.bindServiceAsUser( 10500 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10501 try { 10502 for (int curUser : users) { 10503 long timeout = SystemClock.uptimeMillis() + 5000; 10504 synchronized (conn) { 10505 long now = SystemClock.uptimeMillis(); 10506 while (conn.mContainerService == null && now < timeout) { 10507 try { 10508 conn.wait(timeout - now); 10509 } catch (InterruptedException e) { 10510 } 10511 } 10512 } 10513 if (conn.mContainerService == null) { 10514 return; 10515 } 10516 10517 final UserEnvironment userEnv = new UserEnvironment(curUser); 10518 clearDirectory(conn.mContainerService, 10519 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10520 if (allData) { 10521 clearDirectory(conn.mContainerService, 10522 userEnv.buildExternalStorageAppDataDirs(packageName)); 10523 clearDirectory(conn.mContainerService, 10524 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10525 } 10526 } 10527 } finally { 10528 mContext.unbindService(conn); 10529 } 10530 } 10531 } 10532 10533 @Override 10534 public void clearApplicationUserData(final String packageName, 10535 final IPackageDataObserver observer, final int userId) { 10536 mContext.enforceCallingOrSelfPermission( 10537 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10538 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10539 // Queue up an async operation since the package deletion may take a little while. 10540 mHandler.post(new Runnable() { 10541 public void run() { 10542 mHandler.removeCallbacks(this); 10543 final boolean succeeded; 10544 synchronized (mInstallLock) { 10545 succeeded = clearApplicationUserDataLI(packageName, userId); 10546 } 10547 clearExternalStorageDataSync(packageName, userId, true); 10548 if (succeeded) { 10549 // invoke DeviceStorageMonitor's update method to clear any notifications 10550 DeviceStorageMonitorInternal 10551 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10552 if (dsm != null) { 10553 dsm.checkMemory(); 10554 } 10555 } 10556 if(observer != null) { 10557 try { 10558 observer.onRemoveCompleted(packageName, succeeded); 10559 } catch (RemoteException e) { 10560 Log.i(TAG, "Observer no longer exists."); 10561 } 10562 } //end if observer 10563 } //end run 10564 }); 10565 } 10566 10567 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10568 if (packageName == null) { 10569 Slog.w(TAG, "Attempt to delete null packageName."); 10570 return false; 10571 } 10572 PackageParser.Package p; 10573 boolean dataOnly = false; 10574 final int appId; 10575 synchronized (mPackages) { 10576 p = mPackages.get(packageName); 10577 if (p == null) { 10578 dataOnly = true; 10579 PackageSetting ps = mSettings.mPackages.get(packageName); 10580 if ((ps == null) || (ps.pkg == null)) { 10581 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10582 return false; 10583 } 10584 p = ps.pkg; 10585 } 10586 if (!dataOnly) { 10587 // need to check this only for fully installed applications 10588 if (p == null) { 10589 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10590 return false; 10591 } 10592 final ApplicationInfo applicationInfo = p.applicationInfo; 10593 if (applicationInfo == null) { 10594 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10595 return false; 10596 } 10597 } 10598 if (p != null && p.applicationInfo != null) { 10599 appId = p.applicationInfo.uid; 10600 } else { 10601 appId = -1; 10602 } 10603 } 10604 int retCode = mInstaller.clearUserData(packageName, userId); 10605 if (retCode < 0) { 10606 Slog.w(TAG, "Couldn't remove cache files for package: " 10607 + packageName); 10608 return false; 10609 } 10610 removeKeystoreDataIfNeeded(userId, appId); 10611 return true; 10612 } 10613 10614 /** 10615 * Remove entries from the keystore daemon. Will only remove it if the 10616 * {@code appId} is valid. 10617 */ 10618 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10619 if (appId < 0) { 10620 return; 10621 } 10622 10623 final KeyStore keyStore = KeyStore.getInstance(); 10624 if (keyStore != null) { 10625 if (userId == UserHandle.USER_ALL) { 10626 for (final int individual : sUserManager.getUserIds()) { 10627 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10628 } 10629 } else { 10630 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10631 } 10632 } else { 10633 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10634 } 10635 } 10636 10637 @Override 10638 public void deleteApplicationCacheFiles(final String packageName, 10639 final IPackageDataObserver observer) { 10640 mContext.enforceCallingOrSelfPermission( 10641 android.Manifest.permission.DELETE_CACHE_FILES, null); 10642 // Queue up an async operation since the package deletion may take a little while. 10643 final int userId = UserHandle.getCallingUserId(); 10644 mHandler.post(new Runnable() { 10645 public void run() { 10646 mHandler.removeCallbacks(this); 10647 final boolean succeded; 10648 synchronized (mInstallLock) { 10649 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10650 } 10651 clearExternalStorageDataSync(packageName, userId, false); 10652 if(observer != null) { 10653 try { 10654 observer.onRemoveCompleted(packageName, succeded); 10655 } catch (RemoteException e) { 10656 Log.i(TAG, "Observer no longer exists."); 10657 } 10658 } //end if observer 10659 } //end run 10660 }); 10661 } 10662 10663 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10664 if (packageName == null) { 10665 Slog.w(TAG, "Attempt to delete null packageName."); 10666 return false; 10667 } 10668 PackageParser.Package p; 10669 synchronized (mPackages) { 10670 p = mPackages.get(packageName); 10671 } 10672 if (p == null) { 10673 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10674 return false; 10675 } 10676 final ApplicationInfo applicationInfo = p.applicationInfo; 10677 if (applicationInfo == null) { 10678 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10679 return false; 10680 } 10681 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10682 if (retCode < 0) { 10683 Slog.w(TAG, "Couldn't remove cache files for package: " 10684 + packageName + " u" + userId); 10685 return false; 10686 } 10687 return true; 10688 } 10689 10690 @Override 10691 public void getPackageSizeInfo(final String packageName, int userHandle, 10692 final IPackageStatsObserver observer) { 10693 mContext.enforceCallingOrSelfPermission( 10694 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10695 10696 PackageStats stats = new PackageStats(packageName, userHandle); 10697 10698 /* 10699 * Queue up an async operation since the package measurement may take a 10700 * little while. 10701 */ 10702 Message msg = mHandler.obtainMessage(INIT_COPY); 10703 msg.obj = new MeasureParams(stats, observer); 10704 mHandler.sendMessage(msg); 10705 } 10706 10707 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10708 PackageStats pStats) { 10709 if (packageName == null) { 10710 Slog.w(TAG, "Attempt to get size of null packageName."); 10711 return false; 10712 } 10713 PackageParser.Package p; 10714 boolean dataOnly = false; 10715 String libDirPath = null; 10716 String asecPath = null; 10717 PackageSetting ps = null; 10718 synchronized (mPackages) { 10719 p = mPackages.get(packageName); 10720 ps = mSettings.mPackages.get(packageName); 10721 if(p == null) { 10722 dataOnly = true; 10723 if((ps == null) || (ps.pkg == null)) { 10724 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10725 return false; 10726 } 10727 p = ps.pkg; 10728 } 10729 if (ps != null) { 10730 libDirPath = ps.nativeLibraryPathString; 10731 } 10732 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10733 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10734 if (secureContainerId != null) { 10735 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10736 } 10737 } 10738 } 10739 String publicSrcDir = null; 10740 if(!dataOnly) { 10741 final ApplicationInfo applicationInfo = p.applicationInfo; 10742 if (applicationInfo == null) { 10743 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10744 return false; 10745 } 10746 if (isForwardLocked(p)) { 10747 publicSrcDir = applicationInfo.publicSourceDir; 10748 } 10749 } 10750 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10751 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10752 pStats); 10753 if (res < 0) { 10754 return false; 10755 } 10756 10757 // Fix-up for forward-locked applications in ASEC containers. 10758 if (!isExternal(p)) { 10759 pStats.codeSize += pStats.externalCodeSize; 10760 pStats.externalCodeSize = 0L; 10761 } 10762 10763 return true; 10764 } 10765 10766 10767 @Override 10768 public void addPackageToPreferred(String packageName) { 10769 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10770 } 10771 10772 @Override 10773 public void removePackageFromPreferred(String packageName) { 10774 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10775 } 10776 10777 @Override 10778 public List<PackageInfo> getPreferredPackages(int flags) { 10779 return new ArrayList<PackageInfo>(); 10780 } 10781 10782 private int getUidTargetSdkVersionLockedLPr(int uid) { 10783 Object obj = mSettings.getUserIdLPr(uid); 10784 if (obj instanceof SharedUserSetting) { 10785 final SharedUserSetting sus = (SharedUserSetting) obj; 10786 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10787 final Iterator<PackageSetting> it = sus.packages.iterator(); 10788 while (it.hasNext()) { 10789 final PackageSetting ps = it.next(); 10790 if (ps.pkg != null) { 10791 int v = ps.pkg.applicationInfo.targetSdkVersion; 10792 if (v < vers) vers = v; 10793 } 10794 } 10795 return vers; 10796 } else if (obj instanceof PackageSetting) { 10797 final PackageSetting ps = (PackageSetting) obj; 10798 if (ps.pkg != null) { 10799 return ps.pkg.applicationInfo.targetSdkVersion; 10800 } 10801 } 10802 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10803 } 10804 10805 @Override 10806 public void addPreferredActivity(IntentFilter filter, int match, 10807 ComponentName[] set, ComponentName activity, int userId) { 10808 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10809 } 10810 10811 private void addPreferredActivityInternal(IntentFilter filter, int match, 10812 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10813 // writer 10814 int callingUid = Binder.getCallingUid(); 10815 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10816 if (filter.countActions() == 0) { 10817 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10818 return; 10819 } 10820 synchronized (mPackages) { 10821 if (mContext.checkCallingOrSelfPermission( 10822 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10823 != PackageManager.PERMISSION_GRANTED) { 10824 if (getUidTargetSdkVersionLockedLPr(callingUid) 10825 < Build.VERSION_CODES.FROYO) { 10826 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10827 + callingUid); 10828 return; 10829 } 10830 mContext.enforceCallingOrSelfPermission( 10831 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10832 } 10833 10834 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10835 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10836 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10837 new PreferredActivity(filter, match, set, activity, always)); 10838 mSettings.writePackageRestrictionsLPr(userId); 10839 } 10840 } 10841 10842 @Override 10843 public void replacePreferredActivity(IntentFilter filter, int match, 10844 ComponentName[] set, ComponentName activity) { 10845 if (filter.countActions() != 1) { 10846 throw new IllegalArgumentException( 10847 "replacePreferredActivity expects filter to have only 1 action."); 10848 } 10849 if (filter.countDataAuthorities() != 0 10850 || filter.countDataPaths() != 0 10851 || filter.countDataSchemes() > 1 10852 || filter.countDataTypes() != 0) { 10853 throw new IllegalArgumentException( 10854 "replacePreferredActivity expects filter to have no data authorities, " + 10855 "paths, or types; and at most one scheme."); 10856 } 10857 synchronized (mPackages) { 10858 if (mContext.checkCallingOrSelfPermission( 10859 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10860 != PackageManager.PERMISSION_GRANTED) { 10861 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10862 < Build.VERSION_CODES.FROYO) { 10863 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10864 + Binder.getCallingUid()); 10865 return; 10866 } 10867 mContext.enforceCallingOrSelfPermission( 10868 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10869 } 10870 10871 final int callingUserId = UserHandle.getCallingUserId(); 10872 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10873 if (pir != null) { 10874 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10875 if (filter.countDataSchemes() == 1) { 10876 Uri.Builder builder = new Uri.Builder(); 10877 builder.scheme(filter.getDataScheme(0)); 10878 intent.setData(builder.build()); 10879 } 10880 List<PreferredActivity> matches = pir.queryIntent( 10881 intent, null, true, callingUserId); 10882 if (DEBUG_PREFERRED) { 10883 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10884 } 10885 for (int i = 0; i < matches.size(); i++) { 10886 PreferredActivity pa = matches.get(i); 10887 if (DEBUG_PREFERRED) { 10888 Slog.i(TAG, "Removing preferred activity " 10889 + pa.mPref.mComponent + ":"); 10890 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10891 } 10892 pir.removeFilter(pa); 10893 } 10894 } 10895 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10896 } 10897 } 10898 10899 @Override 10900 public void clearPackagePreferredActivities(String packageName) { 10901 final int uid = Binder.getCallingUid(); 10902 // writer 10903 synchronized (mPackages) { 10904 PackageParser.Package pkg = mPackages.get(packageName); 10905 if (pkg == null || pkg.applicationInfo.uid != uid) { 10906 if (mContext.checkCallingOrSelfPermission( 10907 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10908 != PackageManager.PERMISSION_GRANTED) { 10909 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10910 < Build.VERSION_CODES.FROYO) { 10911 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10912 + Binder.getCallingUid()); 10913 return; 10914 } 10915 mContext.enforceCallingOrSelfPermission( 10916 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10917 } 10918 } 10919 10920 int user = UserHandle.getCallingUserId(); 10921 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10922 mSettings.writePackageRestrictionsLPr(user); 10923 scheduleWriteSettingsLocked(); 10924 } 10925 } 10926 } 10927 10928 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10929 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10930 ArrayList<PreferredActivity> removed = null; 10931 boolean changed = false; 10932 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10933 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10934 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10935 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10936 continue; 10937 } 10938 Iterator<PreferredActivity> it = pir.filterIterator(); 10939 while (it.hasNext()) { 10940 PreferredActivity pa = it.next(); 10941 // Mark entry for removal only if it matches the package name 10942 // and the entry is of type "always". 10943 if (packageName == null || 10944 (pa.mPref.mComponent.getPackageName().equals(packageName) 10945 && pa.mPref.mAlways)) { 10946 if (removed == null) { 10947 removed = new ArrayList<PreferredActivity>(); 10948 } 10949 removed.add(pa); 10950 } 10951 } 10952 if (removed != null) { 10953 for (int j=0; j<removed.size(); j++) { 10954 PreferredActivity pa = removed.get(j); 10955 pir.removeFilter(pa); 10956 } 10957 changed = true; 10958 } 10959 } 10960 return changed; 10961 } 10962 10963 @Override 10964 public void resetPreferredActivities(int userId) { 10965 mContext.enforceCallingOrSelfPermission( 10966 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10967 // writer 10968 synchronized (mPackages) { 10969 int user = UserHandle.getCallingUserId(); 10970 clearPackagePreferredActivitiesLPw(null, user); 10971 mSettings.readDefaultPreferredAppsLPw(this, user); 10972 mSettings.writePackageRestrictionsLPr(user); 10973 scheduleWriteSettingsLocked(); 10974 } 10975 } 10976 10977 @Override 10978 public int getPreferredActivities(List<IntentFilter> outFilters, 10979 List<ComponentName> outActivities, String packageName) { 10980 10981 int num = 0; 10982 final int userId = UserHandle.getCallingUserId(); 10983 // reader 10984 synchronized (mPackages) { 10985 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10986 if (pir != null) { 10987 final Iterator<PreferredActivity> it = pir.filterIterator(); 10988 while (it.hasNext()) { 10989 final PreferredActivity pa = it.next(); 10990 if (packageName == null 10991 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10992 && pa.mPref.mAlways)) { 10993 if (outFilters != null) { 10994 outFilters.add(new IntentFilter(pa)); 10995 } 10996 if (outActivities != null) { 10997 outActivities.add(pa.mPref.mComponent); 10998 } 10999 } 11000 } 11001 } 11002 } 11003 11004 return num; 11005 } 11006 11007 @Override 11008 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11009 Intent intent = new Intent(Intent.ACTION_MAIN); 11010 intent.addCategory(Intent.CATEGORY_HOME); 11011 11012 final int callingUserId = UserHandle.getCallingUserId(); 11013 List<ResolveInfo> list = queryIntentActivities(intent, null, 11014 PackageManager.GET_META_DATA, callingUserId); 11015 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11016 true, false, false, callingUserId); 11017 11018 allHomeCandidates.clear(); 11019 if (list != null) { 11020 for (ResolveInfo ri : list) { 11021 allHomeCandidates.add(ri); 11022 } 11023 } 11024 return (preferred == null || preferred.activityInfo == null) 11025 ? null 11026 : new ComponentName(preferred.activityInfo.packageName, 11027 preferred.activityInfo.name); 11028 } 11029 11030 @Override 11031 public void setApplicationEnabledSetting(String appPackageName, 11032 int newState, int flags, int userId, String callingPackage) { 11033 if (!sUserManager.exists(userId)) return; 11034 if (callingPackage == null) { 11035 callingPackage = Integer.toString(Binder.getCallingUid()); 11036 } 11037 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11038 } 11039 11040 @Override 11041 public void setComponentEnabledSetting(ComponentName componentName, 11042 int newState, int flags, int userId) { 11043 if (!sUserManager.exists(userId)) return; 11044 setEnabledSetting(componentName.getPackageName(), 11045 componentName.getClassName(), newState, flags, userId, null); 11046 } 11047 11048 private void setEnabledSetting(final String packageName, String className, int newState, 11049 final int flags, int userId, String callingPackage) { 11050 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11051 || newState == COMPONENT_ENABLED_STATE_ENABLED 11052 || newState == COMPONENT_ENABLED_STATE_DISABLED 11053 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11054 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11055 throw new IllegalArgumentException("Invalid new component state: " 11056 + newState); 11057 } 11058 PackageSetting pkgSetting; 11059 final int uid = Binder.getCallingUid(); 11060 final int permission = mContext.checkCallingOrSelfPermission( 11061 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11062 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11063 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11064 boolean sendNow = false; 11065 boolean isApp = (className == null); 11066 String componentName = isApp ? packageName : className; 11067 int packageUid = -1; 11068 ArrayList<String> components; 11069 11070 // writer 11071 synchronized (mPackages) { 11072 pkgSetting = mSettings.mPackages.get(packageName); 11073 if (pkgSetting == null) { 11074 if (className == null) { 11075 throw new IllegalArgumentException( 11076 "Unknown package: " + packageName); 11077 } 11078 throw new IllegalArgumentException( 11079 "Unknown component: " + packageName 11080 + "/" + className); 11081 } 11082 // Allow root and verify that userId is not being specified by a different user 11083 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11084 throw new SecurityException( 11085 "Permission Denial: attempt to change component state from pid=" 11086 + Binder.getCallingPid() 11087 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11088 } 11089 if (className == null) { 11090 // We're dealing with an application/package level state change 11091 if (pkgSetting.getEnabled(userId) == newState) { 11092 // Nothing to do 11093 return; 11094 } 11095 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11096 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11097 // Don't care about who enables an app. 11098 callingPackage = null; 11099 } 11100 pkgSetting.setEnabled(newState, userId, callingPackage); 11101 // pkgSetting.pkg.mSetEnabled = newState; 11102 } else { 11103 // We're dealing with a component level state change 11104 // First, verify that this is a valid class name. 11105 PackageParser.Package pkg = pkgSetting.pkg; 11106 if (pkg == null || !pkg.hasComponentClassName(className)) { 11107 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11108 throw new IllegalArgumentException("Component class " + className 11109 + " does not exist in " + packageName); 11110 } else { 11111 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11112 + className + " does not exist in " + packageName); 11113 } 11114 } 11115 switch (newState) { 11116 case COMPONENT_ENABLED_STATE_ENABLED: 11117 if (!pkgSetting.enableComponentLPw(className, userId)) { 11118 return; 11119 } 11120 break; 11121 case COMPONENT_ENABLED_STATE_DISABLED: 11122 if (!pkgSetting.disableComponentLPw(className, userId)) { 11123 return; 11124 } 11125 break; 11126 case COMPONENT_ENABLED_STATE_DEFAULT: 11127 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11128 return; 11129 } 11130 break; 11131 default: 11132 Slog.e(TAG, "Invalid new component state: " + newState); 11133 return; 11134 } 11135 } 11136 mSettings.writePackageRestrictionsLPr(userId); 11137 components = mPendingBroadcasts.get(userId, packageName); 11138 final boolean newPackage = components == null; 11139 if (newPackage) { 11140 components = new ArrayList<String>(); 11141 } 11142 if (!components.contains(componentName)) { 11143 components.add(componentName); 11144 } 11145 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11146 sendNow = true; 11147 // Purge entry from pending broadcast list if another one exists already 11148 // since we are sending one right away. 11149 mPendingBroadcasts.remove(userId, packageName); 11150 } else { 11151 if (newPackage) { 11152 mPendingBroadcasts.put(userId, packageName, components); 11153 } 11154 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11155 // Schedule a message 11156 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11157 } 11158 } 11159 } 11160 11161 long callingId = Binder.clearCallingIdentity(); 11162 try { 11163 if (sendNow) { 11164 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11165 sendPackageChangedBroadcast(packageName, 11166 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11167 } 11168 } finally { 11169 Binder.restoreCallingIdentity(callingId); 11170 } 11171 } 11172 11173 private void sendPackageChangedBroadcast(String packageName, 11174 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11175 if (DEBUG_INSTALL) 11176 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11177 + componentNames); 11178 Bundle extras = new Bundle(4); 11179 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11180 String nameList[] = new String[componentNames.size()]; 11181 componentNames.toArray(nameList); 11182 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11183 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11184 extras.putInt(Intent.EXTRA_UID, packageUid); 11185 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11186 new int[] {UserHandle.getUserId(packageUid)}); 11187 } 11188 11189 @Override 11190 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11191 if (!sUserManager.exists(userId)) return; 11192 final int uid = Binder.getCallingUid(); 11193 final int permission = mContext.checkCallingOrSelfPermission( 11194 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11195 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11196 enforceCrossUserPermission(uid, userId, true, "stop package"); 11197 // writer 11198 synchronized (mPackages) { 11199 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11200 uid, userId)) { 11201 scheduleWritePackageRestrictionsLocked(userId); 11202 } 11203 } 11204 } 11205 11206 @Override 11207 public String getInstallerPackageName(String packageName) { 11208 // reader 11209 synchronized (mPackages) { 11210 return mSettings.getInstallerPackageNameLPr(packageName); 11211 } 11212 } 11213 11214 @Override 11215 public int getApplicationEnabledSetting(String packageName, int userId) { 11216 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11217 int uid = Binder.getCallingUid(); 11218 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11219 // reader 11220 synchronized (mPackages) { 11221 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11222 } 11223 } 11224 11225 @Override 11226 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11227 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11228 int uid = Binder.getCallingUid(); 11229 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11230 // reader 11231 synchronized (mPackages) { 11232 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11233 } 11234 } 11235 11236 @Override 11237 public void enterSafeMode() { 11238 enforceSystemOrRoot("Only the system can request entering safe mode"); 11239 11240 if (!mSystemReady) { 11241 mSafeMode = true; 11242 } 11243 } 11244 11245 @Override 11246 public void systemReady() { 11247 mSystemReady = true; 11248 11249 // Read the compatibilty setting when the system is ready. 11250 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11251 mContext.getContentResolver(), 11252 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11253 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11254 if (DEBUG_SETTINGS) { 11255 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11256 } 11257 11258 synchronized (mPackages) { 11259 // Verify that all of the preferred activity components actually 11260 // exist. It is possible for applications to be updated and at 11261 // that point remove a previously declared activity component that 11262 // had been set as a preferred activity. We try to clean this up 11263 // the next time we encounter that preferred activity, but it is 11264 // possible for the user flow to never be able to return to that 11265 // situation so here we do a sanity check to make sure we haven't 11266 // left any junk around. 11267 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11268 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11269 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11270 removed.clear(); 11271 for (PreferredActivity pa : pir.filterSet()) { 11272 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11273 removed.add(pa); 11274 } 11275 } 11276 if (removed.size() > 0) { 11277 for (int j=0; j<removed.size(); j++) { 11278 PreferredActivity pa = removed.get(i); 11279 Slog.w(TAG, "Removing dangling preferred activity: " 11280 + pa.mPref.mComponent); 11281 pir.removeFilter(pa); 11282 } 11283 mSettings.writePackageRestrictionsLPr( 11284 mSettings.mPreferredActivities.keyAt(i)); 11285 } 11286 } 11287 } 11288 sUserManager.systemReady(); 11289 } 11290 11291 @Override 11292 public boolean isSafeMode() { 11293 return mSafeMode; 11294 } 11295 11296 @Override 11297 public boolean hasSystemUidErrors() { 11298 return mHasSystemUidErrors; 11299 } 11300 11301 static String arrayToString(int[] array) { 11302 StringBuffer buf = new StringBuffer(128); 11303 buf.append('['); 11304 if (array != null) { 11305 for (int i=0; i<array.length; i++) { 11306 if (i > 0) buf.append(", "); 11307 buf.append(array[i]); 11308 } 11309 } 11310 buf.append(']'); 11311 return buf.toString(); 11312 } 11313 11314 static class DumpState { 11315 public static final int DUMP_LIBS = 1 << 0; 11316 11317 public static final int DUMP_FEATURES = 1 << 1; 11318 11319 public static final int DUMP_RESOLVERS = 1 << 2; 11320 11321 public static final int DUMP_PERMISSIONS = 1 << 3; 11322 11323 public static final int DUMP_PACKAGES = 1 << 4; 11324 11325 public static final int DUMP_SHARED_USERS = 1 << 5; 11326 11327 public static final int DUMP_MESSAGES = 1 << 6; 11328 11329 public static final int DUMP_PROVIDERS = 1 << 7; 11330 11331 public static final int DUMP_VERIFIERS = 1 << 8; 11332 11333 public static final int DUMP_PREFERRED = 1 << 9; 11334 11335 public static final int DUMP_PREFERRED_XML = 1 << 10; 11336 11337 public static final int DUMP_KEYSETS = 1 << 11; 11338 11339 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11340 11341 private int mTypes; 11342 11343 private int mOptions; 11344 11345 private boolean mTitlePrinted; 11346 11347 private SharedUserSetting mSharedUser; 11348 11349 public boolean isDumping(int type) { 11350 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11351 return true; 11352 } 11353 11354 return (mTypes & type) != 0; 11355 } 11356 11357 public void setDump(int type) { 11358 mTypes |= type; 11359 } 11360 11361 public boolean isOptionEnabled(int option) { 11362 return (mOptions & option) != 0; 11363 } 11364 11365 public void setOptionEnabled(int option) { 11366 mOptions |= option; 11367 } 11368 11369 public boolean onTitlePrinted() { 11370 final boolean printed = mTitlePrinted; 11371 mTitlePrinted = true; 11372 return printed; 11373 } 11374 11375 public boolean getTitlePrinted() { 11376 return mTitlePrinted; 11377 } 11378 11379 public void setTitlePrinted(boolean enabled) { 11380 mTitlePrinted = enabled; 11381 } 11382 11383 public SharedUserSetting getSharedUser() { 11384 return mSharedUser; 11385 } 11386 11387 public void setSharedUser(SharedUserSetting user) { 11388 mSharedUser = user; 11389 } 11390 } 11391 11392 @Override 11393 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11394 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11395 != PackageManager.PERMISSION_GRANTED) { 11396 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11397 + Binder.getCallingPid() 11398 + ", uid=" + Binder.getCallingUid() 11399 + " without permission " 11400 + android.Manifest.permission.DUMP); 11401 return; 11402 } 11403 11404 DumpState dumpState = new DumpState(); 11405 boolean fullPreferred = false; 11406 boolean checkin = false; 11407 11408 String packageName = null; 11409 11410 int opti = 0; 11411 while (opti < args.length) { 11412 String opt = args[opti]; 11413 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11414 break; 11415 } 11416 opti++; 11417 if ("-a".equals(opt)) { 11418 // Right now we only know how to print all. 11419 } else if ("-h".equals(opt)) { 11420 pw.println("Package manager dump options:"); 11421 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11422 pw.println(" --checkin: dump for a checkin"); 11423 pw.println(" -f: print details of intent filters"); 11424 pw.println(" -h: print this help"); 11425 pw.println(" cmd may be one of:"); 11426 pw.println(" l[ibraries]: list known shared libraries"); 11427 pw.println(" f[ibraries]: list device features"); 11428 pw.println(" r[esolvers]: dump intent resolvers"); 11429 pw.println(" perm[issions]: dump permissions"); 11430 pw.println(" pref[erred]: print preferred package settings"); 11431 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11432 pw.println(" prov[iders]: dump content providers"); 11433 pw.println(" p[ackages]: dump installed packages"); 11434 pw.println(" s[hared-users]: dump shared user IDs"); 11435 pw.println(" m[essages]: print collected runtime messages"); 11436 pw.println(" v[erifiers]: print package verifier info"); 11437 pw.println(" <package.name>: info about given package"); 11438 pw.println(" k[eysets]: print known keysets"); 11439 return; 11440 } else if ("--checkin".equals(opt)) { 11441 checkin = true; 11442 } else if ("-f".equals(opt)) { 11443 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11444 } else { 11445 pw.println("Unknown argument: " + opt + "; use -h for help"); 11446 } 11447 } 11448 11449 // Is the caller requesting to dump a particular piece of data? 11450 if (opti < args.length) { 11451 String cmd = args[opti]; 11452 opti++; 11453 // Is this a package name? 11454 if ("android".equals(cmd) || cmd.contains(".")) { 11455 packageName = cmd; 11456 // When dumping a single package, we always dump all of its 11457 // filter information since the amount of data will be reasonable. 11458 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11459 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11460 dumpState.setDump(DumpState.DUMP_LIBS); 11461 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11462 dumpState.setDump(DumpState.DUMP_FEATURES); 11463 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11464 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11465 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11466 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11467 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11468 dumpState.setDump(DumpState.DUMP_PREFERRED); 11469 } else if ("preferred-xml".equals(cmd)) { 11470 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11471 if (opti < args.length && "--full".equals(args[opti])) { 11472 fullPreferred = true; 11473 opti++; 11474 } 11475 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11476 dumpState.setDump(DumpState.DUMP_PACKAGES); 11477 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11478 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11479 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11480 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11481 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11482 dumpState.setDump(DumpState.DUMP_MESSAGES); 11483 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11484 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11485 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11486 dumpState.setDump(DumpState.DUMP_KEYSETS); 11487 } 11488 } 11489 11490 if (checkin) { 11491 pw.println("vers,1"); 11492 } 11493 11494 // reader 11495 synchronized (mPackages) { 11496 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11497 if (!checkin) { 11498 if (dumpState.onTitlePrinted()) 11499 pw.println(); 11500 pw.println("Verifiers:"); 11501 pw.print(" Required: "); 11502 pw.print(mRequiredVerifierPackage); 11503 pw.print(" (uid="); 11504 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11505 pw.println(")"); 11506 } else if (mRequiredVerifierPackage != null) { 11507 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11508 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11509 } 11510 } 11511 11512 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11513 boolean printedHeader = false; 11514 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11515 while (it.hasNext()) { 11516 String name = it.next(); 11517 SharedLibraryEntry ent = mSharedLibraries.get(name); 11518 if (!checkin) { 11519 if (!printedHeader) { 11520 if (dumpState.onTitlePrinted()) 11521 pw.println(); 11522 pw.println("Libraries:"); 11523 printedHeader = true; 11524 } 11525 pw.print(" "); 11526 } else { 11527 pw.print("lib,"); 11528 } 11529 pw.print(name); 11530 if (!checkin) { 11531 pw.print(" -> "); 11532 } 11533 if (ent.path != null) { 11534 if (!checkin) { 11535 pw.print("(jar) "); 11536 pw.print(ent.path); 11537 } else { 11538 pw.print(",jar,"); 11539 pw.print(ent.path); 11540 } 11541 } else { 11542 if (!checkin) { 11543 pw.print("(apk) "); 11544 pw.print(ent.apk); 11545 } else { 11546 pw.print(",apk,"); 11547 pw.print(ent.apk); 11548 } 11549 } 11550 pw.println(); 11551 } 11552 } 11553 11554 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11555 if (dumpState.onTitlePrinted()) 11556 pw.println(); 11557 if (!checkin) { 11558 pw.println("Features:"); 11559 } 11560 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11561 while (it.hasNext()) { 11562 String name = it.next(); 11563 if (!checkin) { 11564 pw.print(" "); 11565 } else { 11566 pw.print("feat,"); 11567 } 11568 pw.println(name); 11569 } 11570 } 11571 11572 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11573 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11574 : "Activity Resolver Table:", " ", packageName, 11575 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11576 dumpState.setTitlePrinted(true); 11577 } 11578 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11579 : "Receiver Resolver Table:", " ", packageName, 11580 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11581 dumpState.setTitlePrinted(true); 11582 } 11583 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11584 : "Service Resolver Table:", " ", packageName, 11585 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11586 dumpState.setTitlePrinted(true); 11587 } 11588 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11589 : "Provider Resolver Table:", " ", packageName, 11590 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11591 dumpState.setTitlePrinted(true); 11592 } 11593 } 11594 11595 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11596 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11597 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11598 int user = mSettings.mPreferredActivities.keyAt(i); 11599 if (pir.dump(pw, 11600 dumpState.getTitlePrinted() 11601 ? "\nPreferred Activities User " + user + ":" 11602 : "Preferred Activities User " + user + ":", " ", 11603 packageName, true)) { 11604 dumpState.setTitlePrinted(true); 11605 } 11606 } 11607 } 11608 11609 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11610 pw.flush(); 11611 FileOutputStream fout = new FileOutputStream(fd); 11612 BufferedOutputStream str = new BufferedOutputStream(fout); 11613 XmlSerializer serializer = new FastXmlSerializer(); 11614 try { 11615 serializer.setOutput(str, "utf-8"); 11616 serializer.startDocument(null, true); 11617 serializer.setFeature( 11618 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11619 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11620 serializer.endDocument(); 11621 serializer.flush(); 11622 } catch (IllegalArgumentException e) { 11623 pw.println("Failed writing: " + e); 11624 } catch (IllegalStateException e) { 11625 pw.println("Failed writing: " + e); 11626 } catch (IOException e) { 11627 pw.println("Failed writing: " + e); 11628 } 11629 } 11630 11631 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11632 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11633 } 11634 11635 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11636 boolean printedSomething = false; 11637 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11638 if (packageName != null && !packageName.equals(p.info.packageName)) { 11639 continue; 11640 } 11641 if (!printedSomething) { 11642 if (dumpState.onTitlePrinted()) 11643 pw.println(); 11644 pw.println("Registered ContentProviders:"); 11645 printedSomething = true; 11646 } 11647 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11648 pw.print(" "); pw.println(p.toString()); 11649 } 11650 printedSomething = false; 11651 for (Map.Entry<String, PackageParser.Provider> entry : 11652 mProvidersByAuthority.entrySet()) { 11653 PackageParser.Provider p = entry.getValue(); 11654 if (packageName != null && !packageName.equals(p.info.packageName)) { 11655 continue; 11656 } 11657 if (!printedSomething) { 11658 if (dumpState.onTitlePrinted()) 11659 pw.println(); 11660 pw.println("ContentProvider Authorities:"); 11661 printedSomething = true; 11662 } 11663 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11664 pw.print(" "); pw.println(p.toString()); 11665 if (p.info != null && p.info.applicationInfo != null) { 11666 final String appInfo = p.info.applicationInfo.toString(); 11667 pw.print(" applicationInfo="); pw.println(appInfo); 11668 } 11669 } 11670 } 11671 11672 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11673 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11674 } 11675 11676 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11677 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11678 } 11679 11680 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11681 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11682 } 11683 11684 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11685 if (dumpState.onTitlePrinted()) 11686 pw.println(); 11687 mSettings.dumpReadMessagesLPr(pw, dumpState); 11688 11689 pw.println(); 11690 pw.println("Package warning messages:"); 11691 final File fname = getSettingsProblemFile(); 11692 FileInputStream in = null; 11693 try { 11694 in = new FileInputStream(fname); 11695 final int avail = in.available(); 11696 final byte[] data = new byte[avail]; 11697 in.read(data); 11698 pw.print(new String(data)); 11699 } catch (FileNotFoundException e) { 11700 } catch (IOException e) { 11701 } finally { 11702 if (in != null) { 11703 try { 11704 in.close(); 11705 } catch (IOException e) { 11706 } 11707 } 11708 } 11709 } 11710 } 11711 } 11712 11713 // ------- apps on sdcard specific code ------- 11714 static final boolean DEBUG_SD_INSTALL = false; 11715 11716 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11717 11718 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11719 11720 private boolean mMediaMounted = false; 11721 11722 private String getEncryptKey() { 11723 try { 11724 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11725 SD_ENCRYPTION_KEYSTORE_NAME); 11726 if (sdEncKey == null) { 11727 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11728 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11729 if (sdEncKey == null) { 11730 Slog.e(TAG, "Failed to create encryption keys"); 11731 return null; 11732 } 11733 } 11734 return sdEncKey; 11735 } catch (NoSuchAlgorithmException nsae) { 11736 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11737 return null; 11738 } catch (IOException ioe) { 11739 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11740 return null; 11741 } 11742 11743 } 11744 11745 /* package */static String getTempContainerId() { 11746 int tmpIdx = 1; 11747 String list[] = PackageHelper.getSecureContainerList(); 11748 if (list != null) { 11749 for (final String name : list) { 11750 // Ignore null and non-temporary container entries 11751 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11752 continue; 11753 } 11754 11755 String subStr = name.substring(mTempContainerPrefix.length()); 11756 try { 11757 int cid = Integer.parseInt(subStr); 11758 if (cid >= tmpIdx) { 11759 tmpIdx = cid + 1; 11760 } 11761 } catch (NumberFormatException e) { 11762 } 11763 } 11764 } 11765 return mTempContainerPrefix + tmpIdx; 11766 } 11767 11768 /* 11769 * Update media status on PackageManager. 11770 */ 11771 @Override 11772 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11773 int callingUid = Binder.getCallingUid(); 11774 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11775 throw new SecurityException("Media status can only be updated by the system"); 11776 } 11777 // reader; this apparently protects mMediaMounted, but should probably 11778 // be a different lock in that case. 11779 synchronized (mPackages) { 11780 Log.i(TAG, "Updating external media status from " 11781 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11782 + (mediaStatus ? "mounted" : "unmounted")); 11783 if (DEBUG_SD_INSTALL) 11784 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11785 + ", mMediaMounted=" + mMediaMounted); 11786 if (mediaStatus == mMediaMounted) { 11787 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11788 : 0, -1); 11789 mHandler.sendMessage(msg); 11790 return; 11791 } 11792 mMediaMounted = mediaStatus; 11793 } 11794 // Queue up an async operation since the package installation may take a 11795 // little while. 11796 mHandler.post(new Runnable() { 11797 public void run() { 11798 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11799 } 11800 }); 11801 } 11802 11803 /** 11804 * Called by MountService when the initial ASECs to scan are available. 11805 * Should block until all the ASEC containers are finished being scanned. 11806 */ 11807 public void scanAvailableAsecs() { 11808 updateExternalMediaStatusInner(true, false, false); 11809 if (mShouldRestoreconData) { 11810 SELinuxMMAC.setRestoreconDone(); 11811 mShouldRestoreconData = false; 11812 } 11813 } 11814 11815 /* 11816 * Collect information of applications on external media, map them against 11817 * existing containers and update information based on current mount status. 11818 * Please note that we always have to report status if reportStatus has been 11819 * set to true especially when unloading packages. 11820 */ 11821 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11822 boolean externalStorage) { 11823 // Collection of uids 11824 int uidArr[] = null; 11825 // Collection of stale containers 11826 HashSet<String> removeCids = new HashSet<String>(); 11827 // Collection of packages on external media with valid containers. 11828 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11829 // Get list of secure containers. 11830 final String list[] = PackageHelper.getSecureContainerList(); 11831 if (list == null || list.length == 0) { 11832 Log.i(TAG, "No secure containers on sdcard"); 11833 } else { 11834 // Process list of secure containers and categorize them 11835 // as active or stale based on their package internal state. 11836 int uidList[] = new int[list.length]; 11837 int num = 0; 11838 // reader 11839 synchronized (mPackages) { 11840 for (String cid : list) { 11841 if (DEBUG_SD_INSTALL) 11842 Log.i(TAG, "Processing container " + cid); 11843 String pkgName = getAsecPackageName(cid); 11844 if (pkgName == null) { 11845 if (DEBUG_SD_INSTALL) 11846 Log.i(TAG, "Container : " + cid + " stale"); 11847 removeCids.add(cid); 11848 continue; 11849 } 11850 if (DEBUG_SD_INSTALL) 11851 Log.i(TAG, "Looking for pkg : " + pkgName); 11852 11853 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11854 if (ps == null) { 11855 Log.i(TAG, "Deleting container with no matching settings " + cid); 11856 removeCids.add(cid); 11857 continue; 11858 } 11859 11860 /* 11861 * Skip packages that are not external if we're unmounting 11862 * external storage. 11863 */ 11864 if (externalStorage && !isMounted && !isExternal(ps)) { 11865 continue; 11866 } 11867 11868 final AsecInstallArgs args = new AsecInstallArgs(cid, 11869 getAppInstructionSetFromSettings(ps), 11870 isForwardLocked(ps)); 11871 // The package status is changed only if the code path 11872 // matches between settings and the container id. 11873 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11874 if (DEBUG_SD_INSTALL) { 11875 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11876 + " at code path: " + ps.codePathString); 11877 } 11878 11879 // We do have a valid package installed on sdcard 11880 processCids.put(args, ps.codePathString); 11881 final int uid = ps.appId; 11882 if (uid != -1) { 11883 uidList[num++] = uid; 11884 } 11885 } else { 11886 Log.i(TAG, "Deleting stale container for " + cid); 11887 removeCids.add(cid); 11888 } 11889 } 11890 } 11891 11892 if (num > 0) { 11893 // Sort uid list 11894 Arrays.sort(uidList, 0, num); 11895 // Throw away duplicates 11896 uidArr = new int[num]; 11897 uidArr[0] = uidList[0]; 11898 int di = 0; 11899 for (int i = 1; i < num; i++) { 11900 if (uidList[i - 1] != uidList[i]) { 11901 uidArr[di++] = uidList[i]; 11902 } 11903 } 11904 } 11905 } 11906 // Process packages with valid entries. 11907 if (isMounted) { 11908 if (DEBUG_SD_INSTALL) 11909 Log.i(TAG, "Loading packages"); 11910 loadMediaPackages(processCids, uidArr, removeCids); 11911 startCleaningPackages(); 11912 } else { 11913 if (DEBUG_SD_INSTALL) 11914 Log.i(TAG, "Unloading packages"); 11915 unloadMediaPackages(processCids, uidArr, reportStatus); 11916 } 11917 } 11918 11919 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11920 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11921 int size = pkgList.size(); 11922 if (size > 0) { 11923 // Send broadcasts here 11924 Bundle extras = new Bundle(); 11925 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11926 .toArray(new String[size])); 11927 if (uidArr != null) { 11928 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11929 } 11930 if (replacing) { 11931 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11932 } 11933 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11934 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11935 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11936 } 11937 } 11938 11939 /* 11940 * Look at potentially valid container ids from processCids If package 11941 * information doesn't match the one on record or package scanning fails, 11942 * the cid is added to list of removeCids. We currently don't delete stale 11943 * containers. 11944 */ 11945 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11946 HashSet<String> removeCids) { 11947 ArrayList<String> pkgList = new ArrayList<String>(); 11948 Set<AsecInstallArgs> keys = processCids.keySet(); 11949 boolean doGc = false; 11950 for (AsecInstallArgs args : keys) { 11951 String codePath = processCids.get(args); 11952 if (DEBUG_SD_INSTALL) 11953 Log.i(TAG, "Loading container : " + args.cid); 11954 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11955 try { 11956 // Make sure there are no container errors first. 11957 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11958 Slog.e(TAG, "Failed to mount cid : " + args.cid 11959 + " when installing from sdcard"); 11960 continue; 11961 } 11962 // Check code path here. 11963 if (codePath == null || !codePath.equals(args.getCodePath())) { 11964 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11965 + " does not match one in settings " + codePath); 11966 continue; 11967 } 11968 // Parse package 11969 int parseFlags = mDefParseFlags; 11970 if (args.isExternal()) { 11971 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11972 } 11973 if (args.isFwdLocked()) { 11974 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11975 } 11976 11977 doGc = true; 11978 synchronized (mInstallLock) { 11979 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11980 0, 0, null, null); 11981 // Scan the package 11982 if (pkg != null) { 11983 /* 11984 * TODO why is the lock being held? doPostInstall is 11985 * called in other places without the lock. This needs 11986 * to be straightened out. 11987 */ 11988 // writer 11989 synchronized (mPackages) { 11990 retCode = PackageManager.INSTALL_SUCCEEDED; 11991 pkgList.add(pkg.packageName); 11992 // Post process args 11993 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11994 pkg.applicationInfo.uid); 11995 } 11996 } else { 11997 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11998 } 11999 } 12000 12001 } finally { 12002 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12003 // Don't destroy container here. Wait till gc clears things 12004 // up. 12005 removeCids.add(args.cid); 12006 } 12007 } 12008 } 12009 // writer 12010 synchronized (mPackages) { 12011 // If the platform SDK has changed since the last time we booted, 12012 // we need to re-grant app permission to catch any new ones that 12013 // appear. This is really a hack, and means that apps can in some 12014 // cases get permissions that the user didn't initially explicitly 12015 // allow... it would be nice to have some better way to handle 12016 // this situation. 12017 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12018 if (regrantPermissions) 12019 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12020 + mSdkVersion + "; regranting permissions for external storage"); 12021 mSettings.mExternalSdkPlatform = mSdkVersion; 12022 12023 // Make sure group IDs have been assigned, and any permission 12024 // changes in other apps are accounted for 12025 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12026 | (regrantPermissions 12027 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12028 : 0)); 12029 // can downgrade to reader 12030 // Persist settings 12031 mSettings.writeLPr(); 12032 } 12033 // Send a broadcast to let everyone know we are done processing 12034 if (pkgList.size() > 0) { 12035 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12036 } 12037 // Force gc to avoid any stale parser references that we might have. 12038 if (doGc) { 12039 Runtime.getRuntime().gc(); 12040 } 12041 // List stale containers and destroy stale temporary containers. 12042 if (removeCids != null) { 12043 for (String cid : removeCids) { 12044 if (cid.startsWith(mTempContainerPrefix)) { 12045 Log.i(TAG, "Destroying stale temporary container " + cid); 12046 PackageHelper.destroySdDir(cid); 12047 } else { 12048 Log.w(TAG, "Container " + cid + " is stale"); 12049 } 12050 } 12051 } 12052 } 12053 12054 /* 12055 * Utility method to unload a list of specified containers 12056 */ 12057 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12058 // Just unmount all valid containers. 12059 for (AsecInstallArgs arg : cidArgs) { 12060 synchronized (mInstallLock) { 12061 arg.doPostDeleteLI(false); 12062 } 12063 } 12064 } 12065 12066 /* 12067 * Unload packages mounted on external media. This involves deleting package 12068 * data from internal structures, sending broadcasts about diabled packages, 12069 * gc'ing to free up references, unmounting all secure containers 12070 * corresponding to packages on external media, and posting a 12071 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12072 * that we always have to post this message if status has been requested no 12073 * matter what. 12074 */ 12075 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12076 final boolean reportStatus) { 12077 if (DEBUG_SD_INSTALL) 12078 Log.i(TAG, "unloading media packages"); 12079 ArrayList<String> pkgList = new ArrayList<String>(); 12080 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12081 final Set<AsecInstallArgs> keys = processCids.keySet(); 12082 for (AsecInstallArgs args : keys) { 12083 String pkgName = args.getPackageName(); 12084 if (DEBUG_SD_INSTALL) 12085 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12086 // Delete package internally 12087 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12088 synchronized (mInstallLock) { 12089 boolean res = deletePackageLI(pkgName, null, false, null, null, 12090 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12091 if (res) { 12092 pkgList.add(pkgName); 12093 } else { 12094 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12095 failedList.add(args); 12096 } 12097 } 12098 } 12099 12100 // reader 12101 synchronized (mPackages) { 12102 // We didn't update the settings after removing each package; 12103 // write them now for all packages. 12104 mSettings.writeLPr(); 12105 } 12106 12107 // We have to absolutely send UPDATED_MEDIA_STATUS only 12108 // after confirming that all the receivers processed the ordered 12109 // broadcast when packages get disabled, force a gc to clean things up. 12110 // and unload all the containers. 12111 if (pkgList.size() > 0) { 12112 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12113 new IIntentReceiver.Stub() { 12114 public void performReceive(Intent intent, int resultCode, String data, 12115 Bundle extras, boolean ordered, boolean sticky, 12116 int sendingUser) throws RemoteException { 12117 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12118 reportStatus ? 1 : 0, 1, keys); 12119 mHandler.sendMessage(msg); 12120 } 12121 }); 12122 } else { 12123 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12124 keys); 12125 mHandler.sendMessage(msg); 12126 } 12127 } 12128 12129 /** Binder call */ 12130 @Override 12131 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12132 final int flags) { 12133 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12134 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12135 int returnCode = PackageManager.MOVE_SUCCEEDED; 12136 int currFlags = 0; 12137 int newFlags = 0; 12138 // reader 12139 synchronized (mPackages) { 12140 PackageParser.Package pkg = mPackages.get(packageName); 12141 if (pkg == null) { 12142 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12143 } else { 12144 // Disable moving fwd locked apps and system packages 12145 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12146 Slog.w(TAG, "Cannot move system application"); 12147 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12148 } else if (pkg.mOperationPending) { 12149 Slog.w(TAG, "Attempt to move package which has pending operations"); 12150 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12151 } else { 12152 // Find install location first 12153 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12154 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12155 Slog.w(TAG, "Ambigous flags specified for move location."); 12156 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12157 } else { 12158 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12159 : PackageManager.INSTALL_INTERNAL; 12160 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12161 : PackageManager.INSTALL_INTERNAL; 12162 12163 if (newFlags == currFlags) { 12164 Slog.w(TAG, "No move required. Trying to move to same location"); 12165 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12166 } else { 12167 if (isForwardLocked(pkg)) { 12168 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12169 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12170 } 12171 } 12172 } 12173 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12174 pkg.mOperationPending = true; 12175 } 12176 } 12177 } 12178 12179 /* 12180 * TODO this next block probably shouldn't be inside the lock. We 12181 * can't guarantee these won't change after this is fired off 12182 * anyway. 12183 */ 12184 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12185 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12186 null, -1, user), 12187 returnCode); 12188 } else { 12189 Message msg = mHandler.obtainMessage(INIT_COPY); 12190 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12191 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12192 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12193 instructionSet); 12194 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12195 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12196 msg.obj = mp; 12197 mHandler.sendMessage(msg); 12198 } 12199 } 12200 } 12201 12202 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12203 // Queue up an async operation since the package deletion may take a 12204 // little while. 12205 mHandler.post(new Runnable() { 12206 public void run() { 12207 // TODO fix this; this does nothing. 12208 mHandler.removeCallbacks(this); 12209 int returnCode = currentStatus; 12210 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12211 int uidArr[] = null; 12212 ArrayList<String> pkgList = null; 12213 synchronized (mPackages) { 12214 PackageParser.Package pkg = mPackages.get(mp.packageName); 12215 if (pkg == null) { 12216 Slog.w(TAG, " Package " + mp.packageName 12217 + " doesn't exist. Aborting move"); 12218 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12219 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12220 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12221 + mp.srcArgs.getCodePath() + " to " 12222 + pkg.applicationInfo.sourceDir 12223 + " Aborting move and returning error"); 12224 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12225 } else { 12226 uidArr = new int[] { 12227 pkg.applicationInfo.uid 12228 }; 12229 pkgList = new ArrayList<String>(); 12230 pkgList.add(mp.packageName); 12231 } 12232 } 12233 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12234 // Send resources unavailable broadcast 12235 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12236 // Update package code and resource paths 12237 synchronized (mInstallLock) { 12238 synchronized (mPackages) { 12239 PackageParser.Package pkg = mPackages.get(mp.packageName); 12240 // Recheck for package again. 12241 if (pkg == null) { 12242 Slog.w(TAG, " Package " + mp.packageName 12243 + " doesn't exist. Aborting move"); 12244 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12245 } else if (!mp.srcArgs.getCodePath().equals( 12246 pkg.applicationInfo.sourceDir)) { 12247 Slog.w(TAG, "Package " + mp.packageName 12248 + " code path changed from " + mp.srcArgs.getCodePath() 12249 + " to " + pkg.applicationInfo.sourceDir 12250 + " Aborting move and returning error"); 12251 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12252 } else { 12253 final String oldCodePath = pkg.mPath; 12254 final String newCodePath = mp.targetArgs.getCodePath(); 12255 final String newResPath = mp.targetArgs.getResourcePath(); 12256 final String newNativePath = mp.targetArgs 12257 .getNativeLibraryPath(); 12258 12259 final File newNativeDir = new File(newNativePath); 12260 12261 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12262 // NOTE: We do not report any errors from the APK scan and library 12263 // copy at this point. 12264 NativeLibraryHelper.ApkHandle handle = 12265 new NativeLibraryHelper.ApkHandle(newCodePath); 12266 final int abi = NativeLibraryHelper.findSupportedAbi( 12267 handle, Build.SUPPORTED_ABIS); 12268 if (abi >= 0) { 12269 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12270 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12271 } 12272 handle.close(); 12273 } 12274 final int[] users = sUserManager.getUserIds(); 12275 for (int user : users) { 12276 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12277 newNativePath, user) < 0) { 12278 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12279 } 12280 } 12281 12282 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12283 pkg.mPath = newCodePath; 12284 // Move dex files around 12285 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12286 // Moving of dex files failed. Set 12287 // error code and abort move. 12288 pkg.mPath = pkg.mScanPath; 12289 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12290 } 12291 } 12292 12293 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12294 pkg.mScanPath = newCodePath; 12295 pkg.applicationInfo.sourceDir = newCodePath; 12296 pkg.applicationInfo.publicSourceDir = newResPath; 12297 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12298 PackageSetting ps = (PackageSetting) pkg.mExtras; 12299 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12300 ps.codePathString = ps.codePath.getPath(); 12301 ps.resourcePath = new File( 12302 pkg.applicationInfo.publicSourceDir); 12303 ps.resourcePathString = ps.resourcePath.getPath(); 12304 ps.nativeLibraryPathString = newNativePath; 12305 // Set the application info flag 12306 // correctly. 12307 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12308 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12309 } else { 12310 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12311 } 12312 ps.setFlags(pkg.applicationInfo.flags); 12313 mAppDirs.remove(oldCodePath); 12314 mAppDirs.put(newCodePath, pkg); 12315 // Persist settings 12316 mSettings.writeLPr(); 12317 } 12318 } 12319 } 12320 } 12321 // Send resources available broadcast 12322 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12323 } 12324 } 12325 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12326 // Clean up failed installation 12327 if (mp.targetArgs != null) { 12328 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12329 -1); 12330 } 12331 } else { 12332 // Force a gc to clear things up. 12333 Runtime.getRuntime().gc(); 12334 // Delete older code 12335 synchronized (mInstallLock) { 12336 mp.srcArgs.doPostDeleteLI(true); 12337 } 12338 } 12339 12340 // Allow more operations on this file if we didn't fail because 12341 // an operation was already pending for this package. 12342 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12343 synchronized (mPackages) { 12344 PackageParser.Package pkg = mPackages.get(mp.packageName); 12345 if (pkg != null) { 12346 pkg.mOperationPending = false; 12347 } 12348 } 12349 } 12350 12351 IPackageMoveObserver observer = mp.observer; 12352 if (observer != null) { 12353 try { 12354 observer.packageMoved(mp.packageName, returnCode); 12355 } catch (RemoteException e) { 12356 Log.i(TAG, "Observer no longer exists."); 12357 } 12358 } 12359 } 12360 }); 12361 } 12362 12363 @Override 12364 public boolean setInstallLocation(int loc) { 12365 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12366 null); 12367 if (getInstallLocation() == loc) { 12368 return true; 12369 } 12370 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12371 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12372 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12373 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12374 return true; 12375 } 12376 return false; 12377 } 12378 12379 @Override 12380 public int getInstallLocation() { 12381 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12382 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12383 PackageHelper.APP_INSTALL_AUTO); 12384 } 12385 12386 /** Called by UserManagerService */ 12387 void cleanUpUserLILPw(int userHandle) { 12388 mDirtyUsers.remove(userHandle); 12389 mSettings.removeUserLPr(userHandle); 12390 mPendingBroadcasts.remove(userHandle); 12391 if (mInstaller != null) { 12392 // Technically, we shouldn't be doing this with the package lock 12393 // held. However, this is very rare, and there is already so much 12394 // other disk I/O going on, that we'll let it slide for now. 12395 mInstaller.removeUserDataDirs(userHandle); 12396 } 12397 } 12398 12399 /** Called by UserManagerService */ 12400 void createNewUserLILPw(int userHandle, File path) { 12401 if (mInstaller != null) { 12402 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12403 } 12404 } 12405 12406 @Override 12407 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12408 mContext.enforceCallingOrSelfPermission( 12409 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12410 "Only package verification agents can read the verifier device identity"); 12411 12412 synchronized (mPackages) { 12413 return mSettings.getVerifierDeviceIdentityLPw(); 12414 } 12415 } 12416 12417 @Override 12418 public void setPermissionEnforced(String permission, boolean enforced) { 12419 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12420 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12421 synchronized (mPackages) { 12422 if (mSettings.mReadExternalStorageEnforced == null 12423 || mSettings.mReadExternalStorageEnforced != enforced) { 12424 mSettings.mReadExternalStorageEnforced = enforced; 12425 mSettings.writeLPr(); 12426 } 12427 } 12428 // kill any non-foreground processes so we restart them and 12429 // grant/revoke the GID. 12430 final IActivityManager am = ActivityManagerNative.getDefault(); 12431 if (am != null) { 12432 final long token = Binder.clearCallingIdentity(); 12433 try { 12434 am.killProcessesBelowForeground("setPermissionEnforcement"); 12435 } catch (RemoteException e) { 12436 } finally { 12437 Binder.restoreCallingIdentity(token); 12438 } 12439 } 12440 } else { 12441 throw new IllegalArgumentException("No selective enforcement for " + permission); 12442 } 12443 } 12444 12445 @Override 12446 @Deprecated 12447 public boolean isPermissionEnforced(String permission) { 12448 return true; 12449 } 12450 12451 @Override 12452 public boolean isStorageLow() { 12453 final long token = Binder.clearCallingIdentity(); 12454 try { 12455 final DeviceStorageMonitorInternal 12456 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12457 if (dsm != null) { 12458 return dsm.isMemoryLow(); 12459 } else { 12460 return false; 12461 } 12462 } finally { 12463 Binder.restoreCallingIdentity(token); 12464 } 12465 } 12466} 12467