1 files changed, 21 insertions, 1 deletions
diff --git a/tunnel/tools/libwg-go/api-android.go b/tunnel/tools/libwg-go/api-android.go
index 484a89b0..943ba628 100644
--- a/tunnel/tools/libwg-go/api-android.go
+++ b/tunnel/tools/libwg-go/api-android.go
@@ -49,6 +49,7 @@ type TunnelHandle struct {
 	device *device.Device
 	uapi   net.Listener
 	logger *device.Logger
+	tun *tun.NativeTun
 }
 
 var tunnelHandles map[int32]TunnelHandle
@@ -143,10 +144,29 @@ func wgTurnOn(interfaceName string, tunFd int32, settings string) int32 {
 		device.Close()
 		return -1
 	}
-	tunnelHandles[i] = TunnelHandle{device: device, uapi: uapi}
+	tunnelHandles[i] = TunnelHandle{device: device, uapi: uapi, tun: tun}
 	return i
 }
 
+//export wgSetFd
+func wgSetFd(tunnelHandle int32, tunFd int32) {
+        tag := cstring(fmt.Sprintf("WireGuard/GoBackend/%x", tunnelHandle))
+        logger := &device.Logger{
+                Verbosef: AndroidLogger{level: C.ANDROID_LOG_DEBUG, tag: tag}.Printf,
+                Errorf:   AndroidLogger{level: C.ANDROID_LOG_ERROR, tag: tag}.Printf,
+        }
+
+        handle, ok := tunnelHandles[tunnelHandle]
+        if !ok {
+		unix.Close(int(tunFd))
+		logger.Errorf("Tunnel not found")
+                return
+        }
+
+	handle.tun.SetFd(int(tunFd))
+        logger.Verbosef("wgSetFd: %v", tunFd)
+}
+
 //export wgTurnOff
 func wgTurnOff(tunnelHandle int32) {
 	handle, ok := tunnelHandles[tunnelHandle]