File check_nis_1.2 of Package monitoring-plugins-nis

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File check_nis_1.2 of Package monitoring-plugins-nis

#!/bin/sh
###############################################
#
# Nagios script to check NIS status on a host
#
# Copyright 2007, 2008 Ian Yates
# 
# See usage for command line switches
# 
# Created: 2006-07-04 (i.yates@uea.ac.uk)
# Updated: 2007-07-30 (i.yates@uea.ac.uk) - Added user lookup and error checking
# Updated: 2008-11-27 (i.yates@uea.ac.uk) - Added GPLv3 licence
#
# 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/>.
# 
###############################################

. /usr/local/nagios/libexec/utils.sh

VERSION="1.2"

AWK=/bin/awk
SED=/bin/sed
GREP=/bin/grep
YPPOLL=/usr/sbin/yppoll
YPCAT=/usr/bin/ypcat

FLAG_VERBOSE=FALSE
NIS_HOST=""
NIS_DOMAIN=""
NIS_USER_TEST=""
RESULT=""
EXIT_STATUS=$STATE_OK

###############################################
#
## FUNCTIONS 
#

## Print usage
usage() {
	echo " check_nis $VERSION - Nagios NIS check script"
	echo ""
	echo " Usage: check_nis -H <hostname> -d <nis domain> [ -u <username> ] [ -v ] [ -h ]"
	echo ""
	echo "		 -H  Name of host running the NIS service you wish to check"
	echo "		 -d  NIS domain"
	echo "		 -u  Username to query NIS with"
	echo "		 -v  Verbose output"
	echo "		 -h  Show this page"
	echo ""
}
 
## Process command line options
doopts() {
	if ( `test 0 -lt $#` )
	then
		while getopts H:d:u:vh myarg "$@"
		do
			case $myarg in
				h|\?)
					usage
					exit;;
				H)
					NIS_HOST=$OPTARG;;
				d)
					NIS_DOMAIN=$OPTARG;;
				u)
					NIS_USER_TEST=$OPTARG;;
				v)
					FLAG_VERBOSE=TRUE;;
				*)	# Default
					usage
					exit;;
			esac
		done
	else
		usage
		exit
	fi
}

# Write output and return result
theend() {
	echo $RESULT
	exit $EXIT_STATUS
}

#
## END FUNCTIONS 
#

#############################################
#
## MAIN 
#

# Handle command line options
doopts $@

# Do the do
OUTPUT=`$YPPOLL -h $NIS_HOST -d $NIS_DOMAIN passwd.byname 2> /dev/null | $GREP 'is supported'`
if test "$OUTPUT" != "" ; then
	if test -n "$NIS_USER_TEST" ; then
		## If we're checking user lookup
		OUTPUT=`$YPCAT -h $NIS_HOST -d $NIS_DOMAIN passwd | grep $NIS_USER_TEST`
		if test -n "$OUTPUT" ; then
			OUTPUT=`echo "$OUTPUT" | grep "RPC"`
			if test "$OUTPUT" != "" ; then
				RESULT="NIS CRITICAL - domain $NIS_DOMAIN, user \"$NIS_USER_TEST\" lookup failed"
				EXIT_STATUS=$STATE_CRITICAL
			else
				RESULT="NIS OK - domain $NIS_DOMAIN, user \"$NIS_USER_TEST\" lookup succeeded"
				EXIT_STATUS=$STATE_OK
			fi
		else
			RESULT="NIS CRITICAL - domain $NIS_DOMAIN, user \"$NIS_USER_TEST\" lookup failed"
			EXIT_STATUS=$STATE_CRITICAL
		fi
	else
		RESULT="NIS OK - domain $NIS_DOMAIN"
		EXIT_STATUS=$STATE_OK
	fi
else
	RESULT="NIS CRITICAL - domain $NIS_DOMAIN not answering"
	EXIT_STATUS=$STATE_CRITICAL
fi

# Quit and return information and exit status
theend

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