--- src/openvpn/options.h
+++ src/openvpn/options.h
@@ -106,6 +106,9 @@
     int connect_retry_seconds;
     int connect_retry_seconds_max;
     int connect_timeout;
+    int xormethod;
+    const char *xormask;
+    int xormasklen;
     struct http_proxy_options *http_proxy_options;
     const char *socks_proxy_server;
     const char *socks_proxy_port;