Merge "Wipe FRP partition if OEM unlock enabled" into lmp-mr1-dev (d656955e) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/PersistentDataBlockService.java

+33 −19

Original line number	Diff line number	Diff line
		@@ -103,9 +103,19 @@ public class PersistentDataBlockService extends SystemService {
		@Override
		public void onStart() {
		enforceChecksumValidity();
		formatIfOemUnlockEnabled();
		publishBinderService(Context.PERSISTENT_DATA_BLOCK_SERVICE, mService);
		}

		private void formatIfOemUnlockEnabled() {
		if (doGetOemUnlockEnabled()) {
		synchronized (mLock) {
		formatPartitionLocked();
		doSetOemUnlockEnabledLocked(true);
		}
		}
		}

		private void enforceOemUnlockPermission() {
		mContext.enforceCallingOrSelfPermission(
		Manifest.permission.OEM_UNLOCK_STATE,
		@@ -285,6 +295,28 @@ public class PersistentDataBlockService extends SystemService {
		}
		}

		private boolean doGetOemUnlockEnabled() {
		DataInputStream inputStream;
		try {
		inputStream = new DataInputStream(new FileInputStream(new File(mDataBlockFile)));
		} catch (FileNotFoundException e) {
		Slog.e(TAG, "partition not available");
		return false;
		}

		try {
		synchronized (mLock) {
		inputStream.skip(getBlockDeviceSize() - 1);
		return inputStream.readByte() != 0;
		}
		} catch (IOException e) {
		Slog.e(TAG, "unable to access persistent partition", e);
		return false;
		} finally {
		IoUtils.closeQuietly(inputStream);
		}
		}

		private native long nativeGetBlockDeviceSize(String path);
		private native int nativeWipe(String path);

		@@ -410,25 +442,7 @@ public class PersistentDataBlockService extends SystemService {
		@Override
		public boolean getOemUnlockEnabled() {
		enforceOemUnlockPermission();
		DataInputStream inputStream;
		try {
		inputStream = new DataInputStream(new FileInputStream(new File(mDataBlockFile)));
		} catch (FileNotFoundException e) {
		Slog.e(TAG, "partition not available");
		return false;
		}

		try {
		synchronized (mLock) {
		inputStream.skip(getBlockDeviceSize() - 1);
		return inputStream.readByte() != 0;
		}
		} catch (IOException e) {
		Slog.e(TAG, "unable to access persistent partition", e);
		return false;
		} finally {
		IoUtils.closeQuietly(inputStream);
		}
		return doGetOemUnlockEnabled();
		}

		@Override