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#!/bin/sh
#
# This is an example of a Mandos client network hook. This hook
# brings up an OpenVPN interface as specified in a separate
# configuration file. To be used, this file and any needed
# configuration file(s) should be copied into the
# /etc/mandos/network-hooks.d directory.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved. This file is offered as-is,
# without any warranty.
set -e
CONFIG="$MANDOSNETHOOKDIR/openvpn.conf"
# Extract the "dev" setting from the config file
VPNDEVICE="`sed -n -e 's/#.*//' -e 's/^[[:space:]]*dev[[:space:]]\+//p' \"$CONFIG\"`"
PIDFILE=/run/openvpn-mandos.pid
# Exit if no device set in config
if [ -z "$VPNDEVICE" ]; then
exit
fi
# Exit if DEVICE is set and it doesn't match the VPN interface
if [ -n "$DEVICE" -a "$DEVICE" = "${DEVICE#$VPNDEVICE}" ]; then
exit
fi
openvpn=/usr/sbin/openvpn
case "$1" in
start)
"$openvpn" --cd "$MANDOSNETHOOKDIR" --daemon 'openvpn(Mandos)' --writepid "$PIDFILE" --config "$CONFIG"
sleep "$DELAY"
;;
stop)
PID=`cat \"$PIDFILE\"`
if [ "$PID" -gt 0 ]; then
kill "$PID"
fi
;;
files)
echo "$openvpn"
;;
modules)
echo tun
;;
esac
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