net/wireguard: monkey-patch rc script to bring back group association

net/wireguard/Makefile

@@ -1,8 +1,9 @@
 PLUGIN_NAME=		wireguard
 PLUGIN_VERSION=		0.8
+PLUGIN_REVISION=	1
 PLUGIN_COMMENT=		WireGuard VPN service
 PLUGIN_DEPENDS=		wireguard
 PLUGIN_MAINTAINER=	m.muenz@gmail.com
-PLUGIN_DEVEL=       yes
+PLUGIN_DEVEL=		yes
 
 .include "../../Mk/plugins.mk"

net/wireguard/src/opnsense/service/templates/OPNsense/Wireguard/wireguard

@@ -10,6 +10,13 @@ wireguard_enable="YES"
 {%     endfor %}
 {%   endif %}
 wireguard_interfaces="{{ activeservers | join(' ') }}"
+start_postcmd=opnsense_postcmd
+opnsense_postcmd()
+{
+	for interface in ${wireguard_interfaces}; do
+		ifconfig ${interface} group wireguard
+	done
+}
 {% else %}
 wireguard_enable="NO"
 {% endif %}