mirror of https://github.com/CISOfy/lynis.git
[CRYP-7902] - Do prevalidation for certificates before testing them
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@ -53,24 +53,31 @@
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if [ ${CANREAD} -eq 1 ]; then
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# Only check the files that are not installed by a package
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if ! FileInstalledByPackage "${FILE}"; then
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LogText "Test: checking file and determining if it is certificate ${FILE}"
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FIND=$(${OPENSSLBINARY} x509 -noout -in "${FILE}" -enddate 2> /dev/null | ${GREPBINARY} "^notAfter")
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LogText "Test: test if file is a certificate"
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OUTPUT=$(${GREPBINARY} -q 'BEGIN CERT' "${FILE}")
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if [ $? -eq 0 ]; then
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# Check certificate where 'end date' has been expired
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FIND=$(${OPENSSLBINARY} x509 -noout -checkend 0 -in "${FILE}" -enddate 2> /dev/null)
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EXIT_CODE=$?
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CERT_CN=$(${OPENSSLBINARY} x509 -noout -subject -in "${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} -eq 0 ]; then
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LogText "Result: certificate ${FILE} seems to be correct and still valid"
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LogText "Result: file is a certificate"
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LogText "Test: checking certificate details"
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FIND=$(${OPENSSLBINARY} x509 -noout -in "${FILE}" -enddate 2> /dev/null | ${GREPBINARY} "^notAfter")
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if [ $? -eq 0 ]; then
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# Check certificate where 'end date' has been expired
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FIND=$(${OPENSSLBINARY} x509 -noout -checkend 0 -in "${FILE}" -enddate 2> /dev/null)
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EXIT_CODE=$?
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CERT_CN=$(${OPENSSLBINARY} x509 -noout -subject -in "${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} -eq 0 ]; then
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LogText "Result: certificate ${FILE} seems to be correct and still valid"
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else
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FOUNDPROBLEM=1
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COUNT_EXPIRED=$((COUNT_EXPIRED + 1))
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LogText "Result: certificate ${FILE} has been expired"
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fi
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else
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FOUNDPROBLEM=1
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COUNT_EXPIRED=$((COUNT_EXPIRED + 1))
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LogText "Result: certificate ${FILE} has been expired"
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LogText "Result: skipping tests for this file (${FILE}) as it is most likely not a certificate (a key file?)"
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fi
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else
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LogText "Result: skipping tests for this file (${FILE}) as it is most likely not a certificate (a key file?)"
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LogText "Result: skipping test for this file (${FILE}) as we could not find 'BEGIN CERT'"
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fi
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fi
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else
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