Merge "Passing caller package name to setBluetoothTethering" into qt-qpr1-dev (27d33b15) · Commits · e / os / android_frameworks_base

core/java/android/bluetooth/BluetoothPan.java

+6 −2

Original line number	Diff line number	Diff line
		@@ -118,6 +118,8 @@ public final class BluetoothPan implements BluetoothProfile {
		*/
		public static final int PAN_OPERATION_SUCCESS = 1004;

		private final Context mContext;

		private BluetoothAdapter mAdapter;
		private final BluetoothProfileConnector<IBluetoothPan> mProfileConnector =
		new BluetoothProfileConnector(this, BluetoothProfile.PAN,
		@@ -136,6 +138,7 @@ public final class BluetoothPan implements BluetoothProfile {
		@UnsupportedAppUsage
		/package/ BluetoothPan(Context context, ServiceListener listener) {
		mAdapter = BluetoothAdapter.getDefaultAdapter();
		mContext = context;
		mProfileConnector.connect(context, listener);
		}

		@@ -287,11 +290,12 @@ public final class BluetoothPan implements BluetoothProfile {

		@UnsupportedAppUsage
		public void setBluetoothTethering(boolean value) {
		if (DBG) log("setBluetoothTethering(" + value + ")");
		String pkgName = mContext.getOpPackageName();
		if (DBG) log("setBluetoothTethering(" + value + "), calling package:" + pkgName);
		final IBluetoothPan service = getService();
		if (service != null && isEnabled()) {
		try {
		service.setBluetoothTethering(value);
		service.setBluetoothTethering(value, pkgName);
		} catch (RemoteException e) {
		Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
		}

+14 −1

Original line number	Diff line number	Diff line
		@@ -455,7 +455,20 @@ public class Tethering extends BaseNetworkObserver {

		@Override
		public void onServiceConnected(int profile, BluetoothProfile proxy) {
		// Clear identify is fine because caller already pass tethering permission at
		// ConnectivityService#startTethering()(or stopTethering) before the control comes
		// here. Bluetooth will check tethering permission again that there is
		// Context#getOpPackageName() under BluetoothPan#setBluetoothTethering() to get
		// caller's package name for permission check.
		// Calling BluetoothPan#setBluetoothTethering() here means the package name always
		// be system server. If calling identity is not cleared, that package's uid might
		// not match calling uid and end up in permission denied.
		final long identityToken = Binder.clearCallingIdentity();
		try {
		((BluetoothPan) proxy).setBluetoothTethering(enable);
		} finally {
		Binder.restoreCallingIdentity(identityToken);
		}
		// TODO: Enabling bluetooth tethering can fail asynchronously here.
		// We should figure out a way to bubble up that failure instead of sending success.
		final int result = (((BluetoothPan) proxy).isTetheringOn() == enable)