mirror of https://github.com/CISOfy/lynis.git
100 lines
4.6 KiB
Bash
100 lines
4.6 KiB
Bash
#!/bin/sh
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#################################################################################
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#
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# Lynis
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# ------------------
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#
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# Copyright 2007-2013, Michael Boelen
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# Copyright 2013-2016, CISOfy
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#
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# Website : https://cisofy.com
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# Blog : http://linux-audit.com
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# GitHub : https://github.com/CISOfy/lynis
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#
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# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
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# welcome to redistribute it under the terms of the GNU General Public License.
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# See LICENSE file for usage of this software.
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#
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#################################################################################
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#
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# Cryptography
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#
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#################################################################################
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#
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InsertSection "Cryptography"
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#
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#################################################################################
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#
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# Test : CRYP-7902
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# Description : check for expired SSL certificates
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if [ ! -z "${OPENSSLBINARY}" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no CRYP-7902 --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Check expire date of SSL certificates"
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if [ ${SKIPTEST} -eq 0 ]; then
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COUNT_TOTAL=0
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FOUNDPROBLEM=0
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sSSL_PATHS=$(echo ${SSL_CERTIFICATE_PATHS} | ${SEDBINARY} 's/:/ /g')
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sSSL_PATHS=$(echo ${sSSL_PATHS} | ${SEDBINARY} 's/^ //' | ${TRBINARY} " " "\n" | ${SORTBINARY} | uniq | ${TRBINARY} "\n" " ")
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LogText "Paths to scan: ${sSSL_PATHS}"
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for DIR in ${sSSL_PATHS}; do
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COUNT_DIR=0
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if [ -d ${DIR} ]; then
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FileIsReadable ${DIR}
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if [ ${CANREAD} -eq 1 ]; then
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LogText "Result: found directory ${DIR}"
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# Search for CRT files
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sFINDCRTS=$(${FINDBINARY} ${DIR} -name "*.crt" -type f -print 2> /dev/null)
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if [ ! -z "${sFINDCRTS}" ]; then
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for FILE in ${sFINDCRTS}; do
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FileIsReadable ${FILE}
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if [ ${CANREAD} -eq 1 ]; then
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COUNT_DIR=$((COUNT_DIR + 1))
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LogText "Test: checking certificate ${FILE}"
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# Check certificate where 'end date' has been expired
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EXIT_CODE=$(${OPENSSLBINARY} x509 -noout -checkend 0 -in ${FILE} -enddate > /dev/null ; echo $?)
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CERT_CN=$(${OPENSSLBINARY} x509 -noout -subject -in ${FILE} 2> /dev/null | ${SEDBINARY} -e 's/^subject.*CN=\([a-zA-Z0-9\.\-\*]*\).*$/\1/')
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CERT_NOTAFTER=$(${OPENSSLBINARY} x509 -noout -enddate -in ${FILE} 2> /dev/null | ${AWKBINARY} -F= '{if ($1=="notAfter") { print $2 }}')
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Report "certificate[]=${FILE}|${EXIT_CODE}|cn:${CERT_CN};notafter:${CERT_NOTAFTER};|"
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if [ "${EXIT_CODE}" = "0" ]; then
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LogText "Result: certificate ${FILE} seems to be correct and still valid"
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else
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FOUNDPROBLEM=1
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LogText "Result: certificate ${FILE} has been expired"
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fi
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else
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LogText "Result: can not read file ${FILE} (no permission)"
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fi
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done
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else
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LogText "Result: no certificates found in directory ${DIR}"
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fi
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else
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LogText "Result: can not read path ${DIR} (no permission)"
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fi
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else
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LogText "Result: SSL path ${DIR} does not exist"
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fi
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COUNT_TOTAL=$((COUNT_TOTAL + COUNT_DIR))
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LogText "Result: found ${COUNT_DIR} certificates in ${DIR}"
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done
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Report "certificates=${COUNT_TOTAL}"
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LogText "Result: found a total of ${COUNT_TOTAL} certificates"
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if [ ${FOUNDPROBLEM} -eq 0 ]; then
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Display --indent 2 --text "- Checking for expired SSL certificates" --result "${STATUS_NONE}" --color GREEN
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else
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Display --indent 2 --text "- Checking for expired SSL certificates" --result "${STATUS_FOUND}" --color RED
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ReportSuggestion ${TEST_NO} "Check available certificates for expiration"
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fi
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fi
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#
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#################################################################################
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#
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WaitForKeyPress
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#
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#================================================================================
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# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com
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