tun: windows: expose GUID

diff --git a/tun/tun_windows.go b/tun/tun_windows.go
index ed6d7d2595636bb7cfdabfbc06001e9ed44bb82e..94efe48bcadc1ed3bbdbdb0e585c0936ee36d42c 100644 (file)
--- a/tun/tun_windows.go
+++ b/tun/tun_windows.go
@@ -350,3 +350,7 @@ func (tun *NativeTun) Write(buff []byte, offset int) (int, error) {
        // Flush write buffer.
        return len(buff) - offset, tun.flush()
 }
+
+func (tun *NativeTun) GUID() windows.GUID {
+       return *(*windows.GUID)(tun.wt)
+}
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