#!/bin/sh
#    This program 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; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# Written by Daniele Albrizio <daniele@albrizio.dyndns.org> maj 2007
# Based upon Lasse Karstensen <lkarsten@hyse.org> june 2006 bash plugin foor the main structure and
# mike@gaertner.cc 2006 perl plugin for the "total requests graph" idea
#
####
# Shell plugin to graph the daily amount of per second or per minute freeradius login requests.
#
# Plugin Configuration for your munin plugins conf (/etc/munin/plugin-conf.d/munin-node in Debian)
#
# [freeradius]
# user <a user that can read freeradius logfiles>
# env.radius_log=/where/your/freeradius/log.is (if not set defaults to syslog)
# env.graph_period=<minute|second> (if not set defaults to second)
#
#
# Magic markers - optional - used by installation scripts and
# munin-config:
#
#%# family=manual
#%# capabilities=autoconf

if [ "$1" = "autoconf" ]; then
        echo yes
        exit 0
fi

if [ "$1" = "config" ]; then
        echo 'graph_title freeradius requests'
        echo 'graph_args --base 1000 -l 0 '
        if [ -n ${graph_period} ]; then
                echo 'graph_period '${graph_period}
        fi
        echo 'graph_vlabel requests / ${graph_period}'
        echo 'graph_category auth'

        echo 'requests.label Authentication requests'
        echo 'requests.info freeRADIUS authentication requests'
        echo 'requests.type DERIVE'
        echo 'requests.min 0'

        echo 'success.label Login OK'
        echo 'success.info Successful freeRADIUS authentications'
        echo 'success.type DERIVE'
        echo 'success.min 0'

        echo 'failed.label Login FAILED'
        echo 'failed.info Failed freeRADIUS authentications'
        echo 'failed.type DERIVE'
        echo 'failed.min 0'

        exit 0
fi


if [ -z ${radius_log} ]; then
        echo -n "requests.value " && egrep "`date +%b\ %e`.*radiusd.*Login"           /var/log/messages|wc -l
        echo -n "success.value "  && egrep "`date +%b\ %e`.*radiusd.*Login OK"        /var/log/messages|wc -l
        echo -n "failed.value "   && egrep "`date +%b\ %e`.*radiusd.*Login incorrect" /var/log/messages|wc -l
else
        echo -n "requests.value " && egrep "`date +%b\ %e`.*Login"           ${radius_log}|wc -l
        echo -n "success.value "  && egrep "`date +%b\ %e`.*Login OK"        ${radius_log}|wc -l
        echo -n "failed.value "   && egrep "`date +%b\ %e`.*Login incorrect" ${radius_log}|wc -l
fi