flimflam: Add L2TP/IPsec VPN plugin

plugins/vpn.h

Index: plugins/vpn.h
diff --git a/plugins/vpn.h b/plugins/vpn.h
index 7f10150a4dde09b849f5965dfdb58d234c438f9b..3551d170e90a8852ce12bc7e876d810fcf709a6b 100644
--- a/plugins/vpn.h
+++ b/plugins/vpn.h
@@ -19,6 +19,8 @@
  *
  */
 
+#define VPN_FLAG_NO_TUN	1
+
 enum vpn_state {
 	VPN_STATE_UNKNOWN       = 0,
 	VPN_STATE_IDLE          = 1,
@@ -29,6 +31,7 @@ enum vpn_state {
 };
 
 struct vpn_driver {
+	int flags;
 	int (*notify) (DBusMessage *msg, struct connman_provider *provider);
 	int (*connect) (struct connman_provider *provider,
 			struct connman_task *task, const char *if_name);
@@ -39,3 +42,4 @@ int vpn_register(const char *name, struct vpn_driver *driver,
 			const char *program);
 void vpn_unregister(const char *provider_name);
 void vpn_died();
+int vpn_set_ifname(struct connman_provider *provider, const char *ifname);