Merge "Fix up mangled SELinux labeling of wallpaper files" into nyc-mr1-dev (87488ac8) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wallpaper/WallpaperManagerService.java

+21 −4

Original line number	Diff line number	Diff line
		@@ -85,6 +85,7 @@ import android.view.WindowManager;

		import com.android.internal.R;
		import com.android.internal.content.PackageMonitor;
		import com.android.internal.os.BackgroundThread;
		import com.android.internal.util.FastXmlSerializer;
		import com.android.internal.util.JournaledFile;
		import com.android.server.EventLogTags;
		@@ -175,7 +176,6 @@ public class WallpaperManagerService extends IWallpaperManager.Stub {
		final File mWallpaperDir;
		final File mWallpaperFile;
		final File mWallpaperLockFile;
		final File mWallpaperInfoFile;

		public WallpaperObserver(WallpaperData wallpaper) {
		super(getWallpaperDir(wallpaper.userId).getAbsolutePath(),
		@@ -185,7 +185,6 @@ public class WallpaperManagerService extends IWallpaperManager.Stub {
		mWallpaper = wallpaper;
		mWallpaperFile = new File(mWallpaperDir, WALLPAPER);
		mWallpaperLockFile = new File(mWallpaperDir, WALLPAPER_LOCK_ORIG);
		mWallpaperInfoFile = new File(mWallpaperDir, WALLPAPER_INFO);
		}

		private WallpaperData dataForEvent(boolean sysChanged, boolean lockChanged) {
		@@ -943,10 +942,28 @@ public class WallpaperManagerService extends IWallpaperManager.Stub {
		mLockWallpaperMap.remove(userId);
		}

		void onUnlockUser(int userId) {
		void onUnlockUser(final int userId) {
		synchronized (mLock) {
		if (mCurrentUserId == userId && mWaitingForUnlock) {
		switchUser(userId, null);

		// Make sure that the SELinux labeling of all the relevant files is correct.
		// This corrects for mislabeling bugs that might have arisen from move-to
		// operations involving the wallpaper files. This isn't timing-critical,
		// so we do it in the background to avoid holding up the user unlock operation.
		Runnable relabeler = new Runnable() {
		@Override
		public void run() {
		final File wallpaperDir = getWallpaperDir(userId);
		for (String filename : sPerUserFiles) {
		File f = new File(wallpaperDir, filename);
		if (f.exists()) {
		SELinux.restorecon(f);
		}
		}
		}
		};
		BackgroundThread.getHandler().post(relabeler);
		}
		}
		}