192 lines
6.7 KiB
Bash
Executable File
192 lines
6.7 KiB
Bash
Executable File
#!/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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###############################################################################
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# The latest version of check_domain can be found at: #
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# https://github.com/Elyrith/check_domain #
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###############################################################################
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# VERSION: Version 0.96
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# AUTHOR: See README. This version updated by Ryan Loudfoot (ryan@delotha.com)
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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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# Check if utils.sh exists. This lets you use check_domain in a testing environment
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# or outside of Nagios.
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if [ -e "$PROGPATH/utils.sh" ]; then
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. "$PROGPATH/utils.sh"
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else
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STATE_OK=0
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STATE_WARNING=1
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STATE_CRITICAL=2
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STATE_UNKNOWN=3
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# STATE_DEPENDENT=4 (Commented because it's unused.)
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fi
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# Default values (days):
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critical=7
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warning=30
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# Array for converting 3-letter month into number (currently unused)
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#MONTH=("jan" "feb" "mar" "apr" "may" "jun" "jul" "aug" "sep" "oct" "nov" "dec")
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# Parse arguments
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args=$(getopt -o hd:w:c:P: --long help,domain:,warning:,critical:,path: -s bash -n "$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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eval "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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# Use GoDaddy if domain is a .ca
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case "$domain" in
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*.ca)
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out=$("$whois" -h whois.godaddy.com "$domain")
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;;
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*)
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out=$("$whois" "$domain")
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;;
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esac
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# Calculate days until expiration
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case "$domain" in
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*.com)
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# Old way, which didn't work for some .com domains, but kept in case the new way doesn't work for some
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# expiration=$(echo "$out" | awk -F: '/Registrar Expiration Date:/{print substr($0, length($1) + 2)}')
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# New way (2013-09-06)
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expiration=$(echo "$out" | awk -F: '/Expiration Date:/{print substr($0, length($1) + 2);exit;}')
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;;
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*.ru)
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expiration=$(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($2, a, "-"); printf("%s-%s-%s\n", a[1], a[2], a[3])}')
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;;
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*.net)
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expiration=$(echo "$out" | awk -F: '/ Expiration Date:/{print substr($0, length($1) + 3, 11)}')
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;;
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*.nu)
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expiration=$(echo "$out" | grep expires | awk '{print $2}')
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;;
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#*.nu) # I'll leave this in just in case /Jack-Benny
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# This doesn't work, yet. Need to convert 3-letter month into number. -Ryan, Aug 21, 2013
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# expmonth=$(echo "$out" | awk -F '/Record expires on/{print substr($4, length($1) + 2)}'}
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# echo $expmonth
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# expiration=$(echo "$out" | awk '/Record expires on/{split($4, a, "-"); printf("%s-%s-%s\n", a[2], a[3], a[1]);}')
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# ;;
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*)
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expiration=$(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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