--- a/files/fwireguard.in	Thu Aug 22 03:34:36 2024 +0200
+++ b/files/fwireguard.in	Thu Aug 22 14:07:27 2024 +0200
@@ -33,6 +33,11 @@
 : ${fwireguard_enable:="NO"}
 : ${fwireguard_wait="2s"}
 : ${fwireguard_configdir:="%%PREFIX%%/etc/fwireguard"}
+: ${fwireguard_interfaces="AUTO"}
+
+
+# Automatically expand to the  interface names if needed
+[ "${fwireguard_interfaces}" = "AUTO" ] && fwireguard_interfaces="$(/sbin/ifconfig -g wg)"
 
 
 fwireguard_start()
@@ -42,7 +47,7 @@
     if [ ! -d "${fwireguard_configdir}" ]; then
         mkdir "${fwireguard_configdir}"
     fi
-    for _if in `/sbin/ifconfig -g wg`; do
+    for _if in ${fwireguard_interfaces}; do
 
         _f="${fwireguard_configdir}/${_if}.key"
         if [ ! -f "${_f}" ]; then
@@ -91,7 +96,7 @@
 {
     local _if
 
-    for _if in `/sbin/ifconfig -g wg`; do
+    for _if in ${fwireguard_interfaces}; do
         if [ -x "${fwireguard_configdir}/${_if}.pre-stop" ]; then
             "${fwireguard_configdir}/${_if}.pre-stop"
         fi
@@ -110,7 +115,7 @@
 {
     local _if
 
-    for _if in `/sbin/ifconfig -g wg`; do
+    for _if in ${fwireguard_interfaces}; do
         /usr/bin/wg show "${_if}"
     done
 }