Init script

Possible init script (to place in /etc/init.d) to use ForbidHostsv6 as service. It provides: start, stop, restart, status.

#!/bin/sh

### BEGIN INIT INFO
# Provides:          forbidhostsv6
# Required-Start:    $syslog $local_fs $time
# Required-Stop:     $syslog $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: forbidhostsv6
# Description:       SSH IPv6 connections check
### END INIT INFO

. /lib/lsb/init-functions

[ -f /etc/default/rcS ] && . /etc/default/rcS
PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/sbin
PROGRAM=/usr/local/sbin/ForbidHostsv6

test -x $PROGRAM || exit 0

case "$1" in
  start)
        COUNT=`pgrep -c ForbidHostsv6`
        [ "x$COUNT" != "x0" ] && exit 0
        $PROGRAM
        exit 0
        ;;
  stop)
        pkill -15 ForbidHostsv6
        exit 0
        ;;
  force-reload|restart)
        $0 stop
        $0 start
        ;;
  status)
        COUNT=`pgrep -c ForbidHostsv6`
        if [ "x$COUNT" != "x0" ]; then
            echo "Running"
        else
            echo "Not running"
        fi
        exit 0
        ;;
  *)
        echo "Usage: /etc/init.d/forbidhostsv6 {start|stop|restart|force-reload|status}"
        exit 1
esac

exit 0