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Diffstat (limited to 'files/ssl-cert-check')
| -rw-r--r-- | files/ssl-cert-check | 705 |
1 files changed, 705 insertions, 0 deletions
diff --git a/files/ssl-cert-check b/files/ssl-cert-check new file mode 100644 index 0000000..72de361 --- /dev/null +++ b/files/ssl-cert-check @@ -0,0 +1,705 @@ +#!/bin/bash +# +# Program: SSL Certificate Check <ssl-cert-check> +# +# Source code home: http://prefetch.net/code/ssl-cert-check +# +# Documentation: http://prefetch.net/articles/checkcertificate.html +# +# Author: Matty < matty91 at gmail dot com > +# +# Current Version: 3.21 +# +# Revision History: + +# Version 3.21 +# - Adjust e-mail checking to avoid exiting if notifications aren't enabled -- Nick Anderson +# - Added the number of days until expiration to the Nagios output -- Nick Anderson +# +# Version 3.20 +# - Fixed a bug in certificate length checking -- Tim Nowaczyk +# +# Version 3.19 +# - Added check to verify the certificate retrieved is valid +# +# Version 3.18 +# - Add support for connecting to FTP servers -- Paul A Sand +# +# Version 3.17 +# - Add support for connecting to imap servers -- Joerg Pareigis +# +# Version 3.16 +# - Add support for connecting to the mail sbmission port -- Luis E. Munoz +# +# Version 3.15 +# - Adjusted the file checking logic to use the correct certificate -- Maciej Szudejko +# - Add sbin to the default search paths for OpenBSD compatibility -- Alex Popov +# - Use cut instead of substring processing to ensure compatibility -- Alex Popov +# +# Version 3.14 +# - Fixed the Common Name parser to handle DN's where the CN is not the last item +# eg. EmailAddr -- Jason Brothers +# - Added the ability to grab the serial number -- Jason Brothers +# - Added the "-b" option to print results without a header -- Jason Brothers +# - Added the "-v" option for certificate validation -- Jason Brothers +# +# Version 3.13 +# - Updated the subject line to include the hostname as well as +# the common name embedded in the X509 certificate (if it's +# available) -- idea proposed by Mike Burns +# +# Version 3.12 +# - Updated the license to allow redistribution and modification +# +# Version 3.11 +# - Added ability to comment out lines in files passed +# to the "-f" option -- Brett Stauner +# - Fixed comment next to file processing logic +# +# Version 3.10 +# - Fixed POP3 port -- Simon Matter +# +# Version 3.9 +# - Switched binary location logic to use which utility +# +# Version 3.8 +# - Fixed display on 80 column displays +# - Cleaned up the formatting +# +# Version 3.7 +# - Fixed bug in NAGIOS tests -- Ben Allen +# +# Version 3.6 +# - Added support for certificates stored in PKCS#12 databases -- Ken Gallo +# - Cleaned up comments +# - Adjusted variables to be more consistent +# +# Version 3.5 +# - Added support for NAGIOS -- Quanah Gibson-Mount +# - Added additional checks for mail -- Quanah Gibson-Mount +# - Convert tabs to spaces -- Quanah Gibson-Mount +# - Cleaned up usage() routine +# - Added additional checks for openssl +# +# Version 3.4 +# - Added a missing "{" to line 364 -- Ken Gallo +# - Move mktemp to the start of the main body to avoid errors +# - Adjusted default binary paths to make sure the script just works +# w/ Solaris, BSD and Linux hosts +# +# Version 3.3 +# - Added common name from X.509 certificate file to E-mail body / header -- Doug Curtis +# - Fixed several documentation errors +# - Use mktemp to create temporary files +# - Convert printf, sed and awk to variables +# - Check for printf, sed, awk and mktemp binaries +# - Add additional logic to make sure mktemp returned a valid temporary file +# +# Version 3.2 +# - Added option to list certificates in the file passed to "-f". +# +# Version 3.1 +# - Added handling for starttls for smtp -- Marco Amrein +# - Added handling for starttls for pop3 (without s) -- Marco Amrein +# - Removed extra spacing at end of script +# +# Version 3.0 +# - Added "-i" option to print certificate issuer +# - Removed $0 from Subject line of outbound e-mails +# - Fixed some typographical errors +# - Removed redundant "-b" option +# +# Version 2.0 +# - Fixed an issue with e-mails formatting incorrectly +# - Added additional space to host column -- Darren-Perot Spruell +# - Replaced GNU date dependency with CHRIS F. A. JOHNSON's +# date2julian shell function. This routine can be found on +# page 170 of Chris's book "Shell Scripting Recipes: A +# Problem-Solution Approach," ISBN #1590594711. Julian function +# was created based on a post to comp.unix.shell by Tapani Tarvainen. +# - Cleaned up function descriptions +# - Removed several lines of redundant code +# - Adjusted the help message +# +# Version 1.1 +# - Added "-c" flag to report expiration status of a PEM encoded +# certificate -- Hampus Lundqvist +# - Updated the prints messages to display the reason a connection +# failed (connection refused, connection timeout, bad cert, etc) +# - Updated the GNU date checking routines +# - Added checks for each binary required +# - Added checks for connection timeouts +# - Added checks for GNU date +# - Added a "-h" option +# - Cleaned up the documentation +# +# Version 1.0 +# Initial Release +# +# Last Updated: 11-23-2010 +# +# Purpose: +# ssl-cert-check checks to see if a digital certificate in X.509 format +# has expired. ssl-cert-check can be run in interactive and batch mode, +# and provides facilities to alarm if a certificate is about to expire. +# +# License: +# 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. +# +# Requirements: +# Requires openssl +# +# Installation: +# Copy the shell script to a suitable location +# +# Tested platforms: +# -- Solaris 9 using /bin/bash +# -- Solaris 10 using /bin/bash +# -- OS X 10.4.2 using /bin/sh +# -- OpenBSD using /bin/sh +# -- FreeBSD using /bin/sh +# -- Redhat Enterprise Linux 3, 4, 5 & 6 +# +# Usage: +# Refer to the usage() sub-routine, or invoke ssl-cert-check +# with the "-h" option. +# +# Examples: +# Please refer to the following site for documentation and +# examples: +# http://prefetch.net/articles/checkcertificate.html +# + +PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/ssl/bin:/usr/sfw/bin +export PATH + +# Who to page when an expired certificate is detected (cmdline: -e) +ADMIN="root" + +# Number of days in the warning threshhold (cmdline: -x) +WARNDAYS=30 + +# If QUIET is set to TRUE, don't print anything on the console (cmdline: -q) +QUIET="FALSE" + +# Don't send E-mail by default (cmdline: -a) +ALARM="FALSE" + +# Don't run as a Nagios plugin by default (cmdline: -n) +NAGIOS="FALSE" + +# NULL out the PKCSDBPASSWD variable for later use (cmdline: -k) +PKCSDBPASSWD="" + +# Location of system binaries +AWK=$(which awk) +DATE=$(which date) +GREP=$(which grep) +OPENSSL=$(which openssl) +PRINTF=$(which printf) +SED=$(which sed) +MKTEMP=$(which mktemp) + +# Return code used by nagios. Initialize to 0. +RETCODE=0 + +# Set the default umask to be somewhat restrictive +umask 077 + +############################################################################# +# Purpose: Convert a date from MONTH-DAY-YEAR to Julian format +# Acknowledgements: Code was adapted from examples in the book +# "Shell Scripting Recipes: A Problem-Solution Approach" +# ( ISBN 1590594711 ) +# Arguments: +# $1 -> Month (e.g., 06) +# $2 -> Day (e.g., 08) +# $3 -> Year (e.g., 2006) +############################################################################# +date2julian() { + + if [ "${1} != "" ] && [ "${2} != "" ] && [ "${3}" != "" ] + then + ## Since leap years add aday at the end of February, + ## calculations are done from 1 March 0000 (a fictional year) + d2j_tmpmonth=$((12 * ${3} + ${1} - 3)) + + ## If it is not yet March, the year is changed to the previous year + d2j_tmpyear=$(( ${d2j_tmpmonth} / 12)) + + ## The number of days from 1 March 0000 is calculated + ## and the number of days from 1 Jan. 4713BC is added + echo $(( (734 * ${d2j_tmpmonth} + 15) / 24 + - 2 * ${d2j_tmpyear} + ${d2j_tmpyear}/4 + - ${d2j_tmpyear}/100 + ${d2j_tmpyear}/400 + $2 + 1721119 )) + else + echo 0 + fi +} + +############################################################################# +# Purpose: Convert a string month into an integer representation +# Arguments: +# $1 -> Month name (e.g., Sep) +############################################################################# +getmonth() +{ + case ${1} in + Jan) echo 1 ;; + Feb) echo 2 ;; + Mar) echo 3 ;; + Apr) echo 4 ;; + May) echo 5 ;; + Jun) echo 6 ;; + Jul) echo 7 ;; + Aug) echo 8 ;; + Sep) echo 9 ;; + Oct) echo 10 ;; + Nov) echo 11 ;; + Dec) echo 12 ;; + *) echo 0 ;; + esac +} + +############################################################################# +# Purpose: Calculate the number of seconds between two dates +# Arguments: +# $1 -> Date #1 +# $2 -> Date #2 +############################################################################# +date_diff() +{ + if [ "${1}" != "" ] && [ "${2}" != "" ] + then + echo $((${2} - ${1})) + else + echo 0 + fi +} + +##################################################################### +# Purpose: Print a line with the expiraton interval +# Arguments: +# $1 -> Hostname +# $2 -> TCP Port +# $3 -> Status of certification (e.g., expired or valid) +# $4 -> Date when certificate will expire +# $5 -> Days left until the certificate will expire +# $6 -> Issuer of the certificate +##################################################################### +prints() +{ + if [ "${QUIET}" != "TRUE" ] && [ "${ISSUER}" = "TRUE" ] && [ "${VALIDATION}" != "TRUE" ] + then + MIN_DATE=$(echo $4 | ${AWK} '{ print $1, $2, $4 }') + if [ "${NAGIOS}" == "TRUE" ] + then + ${PRINTF} "%-35s %-17s %-8s %-11s %-4s %-30s\n" "$1:$2" "$6" "$3" "$MIN_DATE" \|days="$5" + else + ${PRINTF} "%-35s %-17s %-8s %-11s %-4s %-30s\n" "$1:$2" "$6" "$3" "$MIN_DATE" "$5" + fi + elif [ "${QUIET}" != "TRUE" ] && [ "${ISSUER}" = "TRUE" ] && [ "${VALIDATION}" == "TRUE" ] + then + ${PRINTF} "%-35s %-35s %-32s %-17s\n" "$1:$2" "$7" "$8" "$6" + + elif [ "${QUIET}" != "TRUE" ] && [ "${VALIDATION}" != "TRUE" ] + then + MIN_DATE=$(echo $4 | ${AWK} '{ print $1, $2, $4 }') + if [ "${NAGIOS}" == "TRUE" ] + then + ${PRINTF} "%-47s %-12s %-12s %-4s %-30s\n" "$1:$2" "$3" "$MIN_DATE" \|days="$5" + else + ${PRINTF} "%-47s %-12s %-12s %-4s %-30s\n" "$1:$2" "$3" "$MIN_DATE" "$5" + fi + elif [ "${QUIET}" != "TRUE" ] && [ "${VALIDATION}" == "TRUE" ] + then + ${PRINTF} "%-35s %-35s %-32s\n" "$1:$2" "$7" "$8" + fi +} + + +#################################################### +# Purpose: Print a heading with the relevant columns +# Arguments: +# None +#################################################### +print_heading() +{ + if [ "${NOHEADER}" != "TRUE" ] + then + if [ "${QUIET}" != "TRUE" ] && [ "${ISSUER}" = "TRUE" ] && [ "${NAGIOS}" != "TRUE" ] && [ "${VALIDATION}" != "TRUE" ] + then + ${PRINTF} "\n%-35s %-17s %-8s %-11s %-4s\n" "Host" "Issuer" "Status" "Expires" "Days" + echo "----------------------------------- ----------------- -------- ----------- ----" + + elif [ "${QUIET}" != "TRUE" ] && [ "${ISSUER}" = "TRUE" ] && [ "${NAGIOS}" != "TRUE" ] && [ "${VALIDATION}" == "TRUE" ] + then + ${PRINTF} "\n%-35s %-35s %-32s %-17s\n" "Host" "Common Name" "Serial #" "Issuer" + echo "----------------------------------- ----------------------------------- -------------------------------- -----------------" + + elif [ "${QUIET}" != "TRUE" ] && [ "${NAGIOS}" != "TRUE" ] && [ "${VALIDATION}" != "TRUE" ] + then + ${PRINTF} "\n%-47s %-12s %-12s %-4s\n" "Host" "Status" "Expires" "Days" + echo "----------------------------------------------- ------------ ------------ ----" + + elif [ "${QUIET}" != "TRUE" ] && [ "${NAGIOS}" != "TRUE" ] && [ "${VALIDATION}" == "TRUE" ] + then + ${PRINTF} "\n%-35s %-35s %-32s\n" "Host" "Common Name" "Serial #" + echo "----------------------------------- ----------------------------------- --------------------------------" + fi + fi +} + + +########################################## +# Purpose: Describe how the script works +# Arguments: +# None +########################################## +usage() +{ + echo "Usage: $0 [ -e email address ] [ -x days ] [-q] [-a] [-b] [-h] [-i] [-n] [-v]" + echo " { [ -s common_name ] && [ -p port] } || { [ -f cert_file ] } || { [ -c certificate file ] }" + echo "" + echo " -a : Send a warning message through E-mail" + echo " -b : Will not print header" + echo " -c cert file : Print the expiration date for the PEM or PKCS12 formatted certificate in cert file" + echo " -e E-mail address : E-mail address to send expiration notices" + echo " -f cert file : File with a list of FQDNs and ports" + echo " -h : Print this screen" + echo " -i : Print the issuer of the certificate" + echo " -k password : PKCS12 file password" + echo " -n : Run as a Nagios plugin" + echo " -p port : Port to connect to (interactive mode)" + echo " -s commmon name : Server to connect to (interactive mode)" + echo " -q : Don't print anything on the console" + echo " -v : Only print validation data" + echo " -x days : Certificate expiration interval (eg. if cert_date < days)" + echo "" +} + + +########################################################################## +# Purpose: Connect to a server ($1) and port ($2) to see if a certificate +# has expired +# Arguments: +# $1 -> Server name +# $2 -> TCP port to connect to +########################################################################## +check_server_status() { + + + + if [ "_${2}" = "_smtp" -o "_${2}" = "_25" ] + then + TLSFLAG="-starttls smtp" + + elif [ "_${2}" = "_ftp" -o "_${2}" = "_21" ] + then + TLSFLAG="-starttls ftp" + + elif [ "_${2}" = "_pop3" -o "_${2}" = "_110" ] + then + TLSFLAG="-starttls pop3" + + elif [ "_${2}" = "_imap" -o "_${2}" = "_143" ] + then + TLSFLAG="-starttls imap" + + elif [ "_${2}" = "_submission" -o "_${2}" = "_587" ] + then + TLSFLAG="-starttls smtp -port ${2}" + else + TLSFLAG="" + fi + + echo "" | ${OPENSSL} s_client -connect ${1}:${2} ${TLSFLAG} 2> ${ERROR_TMP} 1> ${CERT_TMP} + + if ${GREP} -i "Connection refused" ${ERROR_TMP} > /dev/null + then + prints ${1} ${2} "Connection refused" "Unknown" + + elif ${GREP} -i "gethostbyname failure" ${ERROR_TMP} > /dev/null + then + prints ${1} ${2} "Cannot resolve domain" "Unknown" + + elif ${GREP} -i "Operation timed out" ${ERROR_TMP} > /dev/null + then + prints ${1} ${2} "Operation timed out" "Unknown" + + elif ${GREP} -i "ssl handshake failure" ${ERROR_TMP} > /dev/null + then + prints ${1} ${2} "SSL handshake failed" "Unknown" + + elif ${GREP} -i "connect: Connection timed out" ${ERROR_TMP} > /dev/null + then + prints ${1} ${2} "Connection timed out" "Unknown" + + else + check_file_status ${CERT_TMP} $1 $2 + fi +} + +##################################################### +### Check the expiration status of a certificate file +### Accepts three parameters: +### $1 -> certificate file to process +### $2 -> Server name +### $3 -> Port number of certificate +##################################################### +check_file_status() { + + CERTFILE=${1} + HOST=${2} + PORT=${3} + + ### Check to make sure the certificate file exists + if [ ! -r ${CERTFILE} ] || [ -z ${CERTFILE} ] + then + echo "ERROR: The file named ${CERTFILE} is unreadable or doesn't exist" + echo "ERROR: Please check to make sure the certificate for ${HOST}:${PORT} is valid" + RETCODE=1 + return + fi + + ### Grab the expiration date from the X.509 certificate + if [ "${PKCSDBPASSWD}" != "" ] + then + # Extract the certificate from the PKCS#12 database, and + # send the informational message to /dev/null + ${OPENSSL} pkcs12 -nokeys -in ${CERTFILE} \ + -out ${CERT_TMP} -password pass:${PKCSDBPASSWD} 2> /dev/null + + # Extract the expiration date from the certificate + CERTDATE=$(${OPENSSL} x509 -in ${CERT_TMP} -enddate -noout | \ + ${SED} 's/notAfter\=//') + + # Extract the issuer from the certificate + CERTISSUER=$(${OPENSSL} x509 -in ${CERT_TMP} -issuer -noout | \ + ${AWK} 'BEGIN {RS="/" } $0 ~ /^O=/ \ + { print substr($0,3,17)}') + + ### Grab the common name (CN) from the X.509 certificate + COMMONNAME=$(${OPENSSL} x509 -in ${CERT_TMP} -subject -noout | \ + ${SED} -e 's/.*CN=//' | \ + ${SED} -e 's/\/.*//') + + ### Grab the serial number from the X.509 certificate + SERIAL=$(${OPENSSL} x509 -in ${CERT_TMP} -serial -noout | \ + ${SED} -e 's/serial=//') + else + # Extract the expiration date from the ceriticate + CERTDATE=$(${OPENSSL} x509 -in ${CERTFILE} -enddate -noout | \ + ${SED} 's/notAfter\=//') + + # Extract the issuer from the certificate + CERTISSUER=$(${OPENSSL} x509 -in ${CERTFILE} -issuer -noout | \ + ${AWK} 'BEGIN {RS="/" } $0 ~ /^O=/ { print substr($0,3,17)}') + + ### Grab the common name (CN) from the X.509 certificate + COMMONNAME=$(${OPENSSL} x509 -in ${CERTFILE} -subject -noout | \ + ${SED} -e 's/.*CN=//' | \ + ${SED} -e 's/\/.*//') + ### Grab the serial number from the X.509 certificate + SERIAL=$(${OPENSSL} x509 -in ${CERTFILE} -serial -noout | \ + ${SED} -e 's/serial=//') + fi + + ### Split the result into parameters, and pass the relevant pieces to date2julian + set -- ${CERTDATE} + MONTH=$(getmonth ${1}) + + # Convert the date to seconds, and get the diff between NOW and the expiration date + CERTJULIAN=$(date2julian ${MONTH#0} ${2#0} ${4}) + CERTDIFF=$(date_diff ${NOWJULIAN} ${CERTJULIAN}) + + if [ ${CERTDIFF} -lt 0 ] + then + if [ "${ALARM}" = "TRUE" ] + then + echo "The SSL certificate for ${HOST} \"(CN: ${COMMONNAME})\" has expired!" \ + | ${MAIL} -s "Certificate for ${HOST} \"(CN: ${COMMONNAME})\" has expired!" ${ADMIN} + fi + + prints ${HOST} ${PORT} "Expired" "${CERTDATE}" "${CERTDIFF}" "${CERTISSUER}" "${COMMONNAME}" "${SERIAL}" + RETCODE=2 + + elif [ ${CERTDIFF} -lt ${WARNDAYS} ] + then + if [ "${ALARM}" = "TRUE" ] + then + echo "The SSL certificate for ${HOST} \"(CN: ${COMMONNAME})\" will expire on ${CERTDATE}" \ + | ${MAIL} -s "Certificate for ${HOST} \"(CN: ${COMMONNAME})\" will expire in ${WARNDAYS}-days or less" ${ADMIN} + fi + prints ${HOST} ${PORT} "Expiring" "${CERTDATE}" "${CERTDIFF}" "${CERTISSUER}" "${COMMONNAME}" "${SERIAL}" + RETCODE=1 + + else + prints ${HOST} ${PORT} "Valid" "${CERTDATE}" "${CERTDIFF}" "${CERTISSUER}" "${COMMONNAME}" "${SERIAL}" + RETCODE=0 + fi +} + +################################# +### Start of main program +################################# +while getopts abinve:f:c:hk:p:s:qx: option +do + case "${option}" + in + a) ALARM="TRUE";; + b) NOHEADER="TRUE";; + c) CERTFILE=${OPTARG};; + e) ADMIN=${OPTARG};; + f) SERVERFILE=$OPTARG;; + h) usage + exit 1;; + i) ISSUER="TRUE";; + k) PKCSDBPASSWD=${OPTARG};; + n) NAGIOS="TRUE";; + p) PORT=$OPTARG;; + s) HOST=$OPTARG;; + q) QUIET="TRUE";; + v) VALIDATION="TRUE";; + x) WARNDAYS=$OPTARG;; + \?) usage + exit 1;; + esac +done + +if [ -f /usr/bin/mailx ] +then + MAIL="/usr/bin/mailx" +else + if [ "${ALARM}" == "FALSE" ] + then + MAIL=$(which mail 2>/dev/null) + else + MAIL=$(which mail) + fi +fi + + +### Check to make sure a openssl utility is available +if [ ! -f ${OPENSSL} ] +then + echo "ERROR: The openssl binary does not exist in ${OPENSSL}." + echo "FIX: Please modify the \${OPENSSL} variable in the program header." + exit 1 +fi + +### Check to make sure a date utility is available +if [ ! -f ${DATE} ] +then + echo "ERROR: The date binary does not exist in ${DATE} ." + echo "FIX: Please modify the \${DATE} variable in the program header." + exit 1 +fi + +### Check to make sure a grep utility is available +if [ ! -f ${GREP} ] +then + echo "ERROR: The grep binary does not exist in ${GREP} ." + echo "FIX: Please modify the \${GREP} variable in the program header." + exit 1 +fi + +### Check to make sure the mktemp and printf utilities are available +if [ ! -f ${MKTEMP} ] || [ ! -f ${PRINTF} ] +then + echo "ERROR: Unable to locate the mktemp or printf binary." + echo "FIX: Please modify the \${MKTEMP} and \${PRINTF} variables in the program header." + exit 1 +fi + +### Check to make sure the sed and awk binaries are available +if [ ! -f ${SED} ] || [ ! -f ${AWK} ] +then + echo "ERROR: Unable to locate the sed or awk binary." + echo "FIX: Please modify the \${SED} and \${AWK} variables in the program header." + exit 1 +fi + +### CHeck to make sure a mail client is available it automated notifcations are requested +if [ "${ALARM}" = "TRUE" ] && [ ! -f ${MAIL} ] +then + echo "ERROR: You enabled automated alerts, but the mail binary could not be found." + echo "FIX: Please modify the ${MAIL} variable in the program header." + exit 1 +fi + +# Place to stash temporary files +CERT_TMP=$($MKTEMP /var/tmp/cert.XXXXXX) +ERROR_TMP=$($MKTEMP /var/tmp/error.XXXXXX) + +### Baseline the dates so we have something to compare to +MONTH=$(${DATE} "+%m") +DAY=$(${DATE} "+%d") +YEAR=$(${DATE} "+%Y") +NOWJULIAN=$(date2julian ${MONTH#0} ${DAY#0} ${YEAR}) + +### Touch the files prior to using them +if [ ! -z "${CERT_TMP}" ] && [ ! -z "${ERROR_TMP}" ] +then + touch ${CERT_TMP} ${ERROR_TMP} +else + echo "ERROR: Problem creating temporary files" + echo "FIX: Check that mktemp works on your system" + exit 1 +fi + +### If a HOST and PORT were passed on the cmdline, use those values +if [ "${HOST}" != "" ] && [ "${PORT}" != "" ] +then + print_heading + check_server_status "${HOST}" "${PORT}" + +### If a file is passed to the "-f" option on the command line, check +### each certificate or server / port combination in the file to see if +### they are about to expire +elif [ -f "${SERVERFILE}" ] +then + print_heading + while read HOST PORT + do + if [ "`echo ${HOST} | cut -c1`" = "#" ] + then + : + elif [ "$PORT" = "FILE" ] + then + check_file_status ${HOST} "FILE" "${HOST}" + else + check_server_status "${HOST}" "${PORT}" + fi + + done < ${SERVERFILE} + +### Check to see if the certificate in CERTFILE is about to expire +elif [ "${CERTFILE}" != "" ] +then + print_heading + check_file_status ${CERTFILE} "FILE" "${CERTFILE}" + +### There was an error, so print a detailed usage message and exit +else + usage + exit 1 +fi + +### Remove the temporary files +rm -f ${CERT_TMP} ${ERROR_TMP} + +### Exit with a success indicator +if [ "${NAGIOS}" = "TRUE" ]; then + exit $RETCODE +else + exit 0 +fi |