# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1724328447 -7200
# Node ID e2555d5fc61f571722f15ab1bf3b7a9c036e7491
# Parent  c65a79d84e9e9200da8f8126b1f5891af6197974
Implement a fwireguard RC variable to manually determine the names of wireguard interfaces to configure to.

By default this variable is set to "AUTO" to determine the interfaces automatically.

diff -r c65a79d84e9e -r e2555d5fc61f docs/man/man8/fwireguard.rst
--- a/docs/man/man8/fwireguard.rst	Thu Aug 22 03:34:36 2024 +0200
+++ b/docs/man/man8/fwireguard.rst	Thu Aug 22 14:07:27 2024 +0200
@@ -26,10 +26,15 @@
   calling the post-start script.
   Default: 2s
 
-
 `fwireguard_configdir`
   Default: /usr/local/etc/fwireguard
 
+`fwireguard_interfaces`
+  The list of names of the Wireguard interfaces to configure.
+
+  Default: AUTO  -- i.e. determine the Wireguard interfaces automatically by
+  calling :command:`ifconfig -g wg`.
+
 
 Files
 -----
diff -r c65a79d84e9e -r e2555d5fc61f files/fwireguard.in
--- 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
 }