diff --git a/ssl-cert-check b/ssl-cert-check deleted file mode 100755 index a12a230..0000000 --- a/ssl-cert-check +++ /dev/null @@ -1,764 +0,0 @@ -#!/bin/bash -# -# Program: SSL Certificate 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: 3.27 -# -# Revision History: -# -# Version 3.27 -# - Allow white spaces to exist in the certificate file list -# - Add an additional check to pick up bad / non-existent certificates -# - Add a check to look for the existence of a mail program. Error out if it's not present. -# - Enable the TLS -servername extension by default - Juergen Knaack & Johan Denoyer -# -# Version 3.26 -# - Allow the certificate type (PEM, DER, NET) to be passed on the command line -# -# Version 3.25 -# - Check for "no route to host" errors -- Dan Doyle -# - Set RETCODE to 3 (unknown) if a connection error occurs -- Dan Doyle -# - Documentation fixes -# -# Version 3.24 -# - Utilize the -clcerts option to limit the results to client certificates - Eitan Katznelson -# -# Version 3.23 -# - Fixed typo in date2julian routine -- Ken Cook -# -# Version 3.22 -# - Change the validation option to "-V" -# - Add a "-v" option to specify a specific protocol version (ssl2, ssl3 or tls) -# -# 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: 02-27-2013 -# -# 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/bash -# -- OpenBSD using /bin/sh -# -- FreeBSD using /bin/sh -# -- Centos Linux 3, 4, 5 & 6 using /bin/bash -# -- Redhat Enterprise Linux 3, 4, 5 & 6 using /bin/bash -# -# 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="joerg@higgsboson.tk" - -# 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="" - -# Type of certificate (PEM, DER, NET) (cmdline: -t) -CERTTYPE="pem" - -# Protocol version to use (cmdline: -v) -VERSION="" - -# Send along the servername when TLS is used -TLSSERVERNAME="TRUE" - -# 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) - -# Try to find a mail client -if [ -f /usr/bin/mailx ] -then - MAIL="/usr/bin/mailx" -elif [ -f /bin/mail ] -then - MAIL="/bin/mail" -elif [ -f /usr/bin/mail ] -then - MAIL="/usr/bin/mail" -elif [ -f /sbin/mail ] -then - MAIL="/sbin/mail" -elif [ -f /usr/sbin/mail ] -then - MAIL="/usr/sbin/mail" -else - MAIL="cantfindit" -fi - -# 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 " -t type : Specify the certificate type" - echo " -q : Don't print anything on the console" - echo " -v : Specify a specific protocol version to use (tls, ssl2, ssl3)" - 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 ${2}" - elif [ "_${2}" = "_xmpp-client" -o "_${2}" = "_xmpp-server" -o \ - "_${2}" = "_5269" -o "_${2}" = "_5222" ] - then - TLSFLAG="-starttls xmpp" - else - TLSFLAG="" - fi - - if [ "${VERSION}" != "" ] - then - VER="-${VERSION}" - fi - - if [ "${TLSSERVERNAME}" = "TRUE" ] - then - TLSFLAG="${TLSFLAG} -servername $1" - fi - - echo "" | ${OPENSSL} s_client ${VER} -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" - RETCODE=3 - - elif ${GREP} -i "No route to host" ${ERROR_TMP} > /dev/null - then - prints ${1} ${2} "No route to host" "Unknown" - RETCODE=3 - - elif ${GREP} -i "gethostbyname failure" ${ERROR_TMP} > /dev/null - then - prints ${1} ${2} "Cannot resolve domain" "Unknown" - RETCODE=3 - - elif ${GREP} -i "Operation timed out" ${ERROR_TMP} > /dev/null - then - prints ${1} ${2} "Operation timed out" "Unknown" - RETCODE=3 - - elif ${GREP} -i "ssl handshake failure" ${ERROR_TMP} > /dev/null - then - prints ${1} ${2} "SSL handshake failed" "Unknown" - RETCODE=3 - - elif ${GREP} -i "connect: Connection timed out" ${ERROR_TMP} > /dev/null - then - prints ${1} ${2} "Connection timed out" "Unknown" - RETCODE=3 - - 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} ] || [ ! -s ${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 ${CERT_TMP} -clcerts -password pass:${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 -inform ${CERTTYPE} | \ - ${SED} 's/notAfter\=//') - - # Extract the issuer from the certificate - CERTISSUER=$(${OPENSSL} x509 -in ${CERTFILE} -issuer -noout -inform ${CERTTYPE} | \ - ${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 -inform ${CERTTYPE} | \ - ${SED} -e 's/.*CN=//' | \ - ${SED} -e 's/\/.*//') - ### Grab the serial number from the X.509 certificate - SERIAL=$(${OPENSSL} x509 -in ${CERTFILE} -serial -noout -inform ${CERTTYPE} | \ - ${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 abinv:e:f:c:hk:p:s:t:qx:V 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=$OPTARG;; - t) CERTTYPE=$OPTARG;; - q) QUIET="TRUE";; - v) VERSION=$OPTARG;; - V) VALIDATION="TRUE";; - x) WARNDAYS=$OPTARG;; - \?) usage - exit 1;; - esac -done - -### 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 ${AWK} ] -then - echo "ERROR: Unable to locate the sed or awk binary." - echo "FIX: Please modify the \${SED} and \${AWK} variables in the program header." - exit 1 -fi - -### Check to make sure a mail client is available it automated notifications are requested -if [ "${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 - egrep -v '(^#|^$)' ${SERVERFILE} | while read HOST PORT - do - if [ "$PORT" = "FILE" ] - then - check_file_status ${HOST} "FILE" "${HOST}" - else - check_server_status "${HOST}" "${PORT}" - fi - done - -### 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