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Elyrith
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161
check_domain
Executable file
161
check_domain
Executable file
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#!/bin/bash
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################################################################################
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; either version 2 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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# #
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################################################################################
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# This is a Nagios plugin to check the expiration date of a domain name.
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# It uses the "whois" command, which usually comes as a "whois" package.
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# Debian/Ubuntu: apt-get install whois
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#
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# Original version had this copyright notice in it:
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# Copyright (c) 2005 Tomàs Núñez Lirola <tnunez@criptos.com>,
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# 2009-2012 Elan Ruusamäe <glen@delfi.ee>, under GPL License
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#
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# Ryan found it hosted at:
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# http://git.pld-linux.org/gitweb.cgi/?p=packages/nagios-plugin-check_domain.git
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#
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# This is a modified version, hosted at https://bitbucket.org/elyrith/check_domain
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# Currently supports .com, .ca, .tv, .ee, .ru
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# Support for .ca and .se by Ryan Loudfoot (ryan@loudfoot.ca)
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# Support for Performance Data by Ryan Loudfoot
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PROGRAM=${0##*/}
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PROGPATH=${0%/*}
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# Ryan's note: utils.sh is installed with nagios-plugins in with the plugins
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. $PROGPATH/utils.sh
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# Default values (days):
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critical=7
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warning=30
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# Parse arguments
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args=$(getopt -o hd:w:c:P: --long help,domain:,warning:,critical:,path: -u -n $PROGRAM -- "$@")
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if [ $? != 0 ]; then
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echo >&2 "$PROGRAM: Could not parse arguments"
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echo "Usage: $PROGRAM -h | -d <domain> [-c <critical>] [-w <warning>]"
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exit 1
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fi
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set -- $args
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die() {
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local rc=$1
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local msg=$2
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echo $msg
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exit $rc
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}
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fullusage() {
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cat <<EOF
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check_domain - v1.2.1
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This plugin checks the expiration date of a domain name.
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Usage: $PROGRAM -h | -d <domain> [-c <critical>] [-w <warning>]
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NOTE: -d must be specified
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Options:
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-h
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Print detailed help
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-d
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Domain name to check
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-w
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Response time to result in warning status (days)
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-c
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Response time to result in critical status (days)
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This plugin will use whois service to get the expiration date for the domain name.
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Example:
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$PROGRAM -d domain.tld -w 30 -c 10
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Currently supports .com, .ca, .tv, .ee, .ru
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EOF
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}
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while :; do
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case "$1" in
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-c|--critical) critical=$2; shift 2;;
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-w|--warning) warning=$2; shift 2;;
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-d|--domain) domain=$2; shift 2;;
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-P|--path) whoispath=$2; shift 2;;
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-h|--help) fullusage; exit;;
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--) shift; break;;
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*) die $STATE_UNKNOWN "Internal error!";;
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esac
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done
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if [ -z $domain ]; then
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die $STATE_UNKNOWN "UNKNOWN - There is no domain name to check"
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fi
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# Looking for whois binary
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if [ -z $whoispath ]; then
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type whois > /dev/null 2>&1 || die $STATE_UNKNOWN "UNKNOWN - Unable to find whois binary in your path. Is it installed? Please specify path."
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whois=whois
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else
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[ -x "$whoispath/whois" ] || die $STATE_UNKNOWN "UNKNOWN - Unable to find whois binary, you specified an incorrect path"
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whois="$whoispath/whois"
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fi
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out=$($whois $domain)
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# Calculate days until expiration
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case "$domain" in
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*.com)
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expiration=$(echo "$out" | awk -F: '/Expiration Date:/{print substr($0, length($1) + 2)}')
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;;
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*.ru)
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expiration=$(echo "$out" | awk '/paid-till:/{split($2, a, "."); printf("%s-%s-%s\n", a[1], a[2], a[3])}')
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;;
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*.ee)
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expiration=$(echo "$out" | awk '/expire:/{split($2, a, "."); printf("%s-%s-%s\n", a[3], a[2], a[1])}')
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;;
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*.tv)
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expiration=$(echo "$out" | awk -F: '/Expiration Date:/{print substr($0, length($1) + 3, 10)}')
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;;
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*.ca)
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expiration=$(echo "$out" | awk '/Expiry date:/{split($3, a, "/"); printf("%s/%s/%s\n", a[2], a[3], a[1])}')
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;;
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*.se)
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expiration=$(echo "$out" | awk '/expires:/{split($2, a, "-"); printf("%s-%s-%s\n", a[1], a[2], a[3])}')
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;;
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*)
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expiration=$(echo "$out" | awk -F: '/Expiration Date:/{print substr($0, length($1) + 2)}')
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;;
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esac
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# For debugging only:
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# echo $expiration
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[ -z "$expiration" ] && die $STATE_UNKNOWN "UNKNOWN - Domain doesn't exist or no WHOIS server available."
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expseconds=$(date +%s --date="$expiration")
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expdate=$(date +'%Y-%m-%d' --date="$expiration")
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nowseconds=$(date +%s)
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diffseconds=$((expseconds-nowseconds))
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expdays=$((diffseconds/86400))
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# Trigger alarms if applicable
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#[ $expdays -lt 0 ] && die $STATE_CRITICAL "CRITICAL - Domain expired on $expiration. | Warning: $warning, Critical: $critical"
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#[ $expdays -lt $critical ] && die $STATE_CRITICAL "CRITICAL - Domain will expire in $expdays days ($expdate). | Warning: $warning, Critical: $critical"
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#[ $expdays -lt $warning ] && die $STATE_WARNING "WARNING - Domain will expire in $expdays days ($expdate). | Warning: $warning, Critical: $critical"
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# No alarms? Ok, everything is right.
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echo "OK - Domain will expire in $expdays days ($expdate). | Warning: $warning, Critical: $critical"
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exit $STATE_OK
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