Munin contributed plugins

#!/bin/bash

#

# Plugin to monitor the number of hosts in /etc/hosts.deny

# that are deined access to sshd

#

# Based on denyhosts plugin by tjansson (2009)

#

# Copyright (C) 2009 Kåre Hartvig Jensen (kaare.hartvig.jensen@gmail.com)

#

# 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 3 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, see <http://www.gnu.org/licenses/>.

#

if [ "$1" = "autoconf" ]; then

        if [ -r "$LOG" ]; then

                echo yes

                exit 0

        else

                echo no

                exit 1

        fi

fi

if [ "$1" = "config" ]; then

        echo 'graph_title Hosts denied sshd access in /etc/hosts.deny'

        echo 'graph_args --base 1000 -l 0'

        echo 'graph_vlabel Hosts denied '

        echo 'graph_category system'

        echo 'HostsDenied.label Hosts denied'

        exit 0

fi

echo HostsDenied.value  `cat /etc/hosts.deny | grep sshd | wc -l`