feat (openvpn_clients): add pfsense agent plugin

openvpn_clients/agents/plugins/openvpn_clients.pfsense

@@ -0,0 +1,34 @@
+#!/usr/local/bin/bash
+
+# (c) 2022 Heinlein Support GmbH
+#          Robert Sander <[email protected]>
+#
+# pfSense edition by
+#          Gianluca Stella <gianluca (dot) stella (at) gmail . com>
+
+
+# This is free software;  you can redistribute it and/or modify it
+# under the  terms of the  GNU General Public License  as published by
+# the Free Software Foundation in version 2.  This file is distributed
+# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
+# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
+# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
+# ails.  You should have  received  a copy of the  GNU  General Public
+# License along with GNU Make; see the file  COPYING.  If  not,  write
+# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
+# Boston, MA 02110-1301 USA.
+
+if ls /var/run/openvpn_*.pid 1> /dev/null 2>&1; then
+
+  for f in /var/etc/openvpn/server*/sock
+  do
+    conffile="`echo $f | sed -n -e 's/sock/config.ovpn/p'`"
+    insta="`cat $conffile | grep \"dev \" | sed -n -e \"s/dev //p\"`"
+
+    status="`( echo \"status\" ; sleep 1 ; echo \"quit\" ) | nc -U $f`"
+
+    echo '<<<openvpn_clients:sep(44)>>>'
+    echo "[[$insta]]"
+    echo "$status" | sed -n -e '/CLIENT LIST/,/ROUTING TABLE/p' | sed -e 1,3d -e '$d'
+  done
+fi