mirror of https://github.com/CISOfy/lynis.git
Merge branch 'master' into symlink_file
This commit is contained in:
Michael Boelen
GitHub
commit
0664dea946
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@ -13,6 +13,7 @@
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- FILE-7524 - Test enhanced to support symlinks
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- HTTP-6643 - Support ModSecurity version 2 and 3
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- KRNL-5788 - Only run relevant tests and improved logging
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- KRNL-5820 - Additional path for security/limits.conf
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- KRNL-5830 - Check for /var/run/needs_restarting (Slackware)
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- KRNL-5830 - Add a presence check for /boot/vmlinuz
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- PRNT-2308 - Bugfix that prevented test from storing values correctly
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@ -520,74 +520,77 @@
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AddHP 1 1
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elif [ -z "${ULIMIT_C_VALUE_SUB}" ] && [ -z "${ULIMIT_C_VALUE}" ]; then
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LogText "Result: core dumps are not disabled in ${ROOTDIR}etc/profile or ${ROOTDIR}etc/profile.d/*.sh config files. Didn't find setting 'ulimit -c 0'"
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Display --indent 4 --text "- configuration in etc/profile" --result "${STATUS_DEFAULT}" --color WHITE
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Display --indent 4 --text "- configuration in ${ROOTDIR}etc/profile" --result "${STATUS_DEFAULT}" --color WHITE
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AddHP 0 1
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elif ( [ -n "${ULIMIT_C_VALUE_SUB}" ] && ( [ "${ULIMIT_C_VALUE_SUB}" = "unlimited" ] || [ "${ULIMIT_C_VALUE_SUB}" != "0" ] ) ) || ( [ -n "${ULIMIT_C_VALUE}" ] && [ -z "${ULIMIT_C_VALUE_SUB}" ] && ( [ "${ULIMIT_C_VALUE}" = "unlimited" ] || [ "${ULIMIT_C_VALUE}" != "0" ] ) ); then
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LogText "Result: core dumps are enabled in ${ROOTDIR}etc/profile or ${ROOTDIR}etc/profile.d/*.sh config files. A value higher than 0 is configured for 'ulimit -c'"
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Display --indent 4 --text "- configuration in etc/profile" --result "${STATUS_ENABLED}" --color RED
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Display --indent 4 --text "- configuration in ${ROOTDIR}etc/profile" --result "${STATUS_ENABLED}" --color RED
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AddHP 0 1
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else
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LogText "Result: ERROR - something went wrong. Unexpected result during check of ${ROOTDIR}etc/profile and ${ROOTDIR}etc/profile.d/*.sh config files. Please report on Github!"
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Display --indent 4 --text "- configuration in etc/profile" --result "${STATUS_ERROR}" --color YELLOW
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Display --indent 4 --text "- configuration in ${ROOTDIR}etc/profile" --result "${STATUS_ERROR}" --color YELLOW
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fi
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fi
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# Limits option
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LogText "Test: Checking presence ${ROOTDIR}etc/security/limits.conf"
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if [ -f "${ROOTDIR}etc/security/limits.conf" ]; then
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LogText "Result: file ${ROOTDIR}etc/security/limits.conf exists"
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LogText "Test: Checking if core dumps are disabled in ${ROOTDIR}etc/security/limits.conf and ${LIMITS_DIRECTORY}/*"
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# using find instead of grep -r to stay POSIX compliant. On AIX and HPUX grep -r is not available.
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FIND1=$(${FINDBINARY} -L "${ROOTDIR}etc/security/limits.conf" "${LIMITS_DIRECTORY}" -type f -exec ${CAT_BINARY} {} \; 2> /dev/null | ${GREPBINARY} -v "^$" | ${AWKBINARY} '{ if ($1=="*" && $2=="soft" && $3=="core" && $4=="0") { print "soft core disabled" } else if ($1=="*" && $2=="soft" && $3=="core" && $4!="0") { print "soft core enabled" } }' | ${TAILBINARY} -1)
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FIND2=$(${FINDBINARY} -L "${ROOTDIR}etc/security/limits.conf" "${LIMITS_DIRECTORY}" -type f -exec ${CAT_BINARY} {} \; 2> /dev/null | ${GREPBINARY} -v "^$" | ${AWKBINARY} '{ if ($1=="*" && $2=="hard" && $3=="core" && $4=="0") { print "hard core disabled" } else if ($1=="*" && $2=="hard" && $3=="core" && $4!="0") { print "hard core enabled" } }' | ${TAILBINARY} -1)
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FIND3=$(${FINDBINARY} -L "${ROOTDIR}etc/security/limits.conf" "${LIMITS_DIRECTORY}" -type f -exec ${CAT_BINARY} {} \; 2> /dev/null | ${GREPBINARY} -v "^$" | ${AWKBINARY} '{ if ($1=="*" && $2=="-" && $3=="core" && $4=="0") { print "core dumps disabled" } else if ($1=="*" && $2=="-" && $3=="core" && $4!="0") { print "core dumps enabled" } }' | ${TAILBINARY} -1)
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# Limits options
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for DIR in "/" "/usr/"; do
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LogText "Test: Checking presence ${DIR}etc/security/limits.conf"
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if [ -f "${DIR}etc/security/limits.conf" ]; then
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LogText "Result: file ${DIR}etc/security/limits.conf exists"
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LogText "Test: Checking if core dumps are disabled in ${DIR}etc/security/limits.conf and ${LIMITS_DIRECTORY}/*"
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# using find instead of grep -r to stay POSIX compliant. On AIX and HPUX grep -r is not available.
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FIND1=$(${FINDBINARY} -L "${DIR}etc/security/limits.conf" "${LIMITS_DIRECTORY}" -type f -exec ${CAT_BINARY} {} \; 2> /dev/null | ${GREPBINARY} -v "^$" | ${AWKBINARY} '{ if ($1=="*" && $2=="soft" && $3=="core" && $4=="0") { print "soft core disabled" } else if ($1=="*" && $2=="soft" && $3=="core" && $4!="0") { print "soft core enabled" } }' | ${TAILBINARY} -1)
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FIND2=$(${FINDBINARY} -L "${DIR}etc/security/limits.conf" "${LIMITS_DIRECTORY}" -type f -exec ${CAT_BINARY} {} \; 2> /dev/null | ${GREPBINARY} -v "^$" | ${AWKBINARY} '{ if ($1=="*" && $2=="hard" && $3=="core" && $4=="0") { print "hard core disabled" } else if ($1=="*" && $2=="hard" && $3=="core" && $4!="0") { print "hard core enabled" } }' | ${TAILBINARY} -1)
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FIND3=$(${FINDBINARY} -L "${DIR}etc/security/limits.conf" "${LIMITS_DIRECTORY}" -type f -exec ${CAT_BINARY} {} \; 2> /dev/null | ${GREPBINARY} -v "^$" | ${AWKBINARY} '{ if ($1=="*" && $2=="-" && $3=="core" && $4=="0") { print "core dumps disabled" } else if ($1=="*" && $2=="-" && $3=="core" && $4!="0") { print "core dumps enabled" } }' | ${TAILBINARY} -1)
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# When "* - core [value]" is used, then this sets both soft and core. In that case we set the values, as they the type 'hard' and 'soft' will not be present in the configuration file.
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if [ "${FIND3}" = "core dumps disabled" ]; then
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FIND1="soft core disabled"
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FIND2="hard core disabled"
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elif [ "${FIND3}" = "core dumps enabled" ]; then
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FIND1="soft core enabled"
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FIND2="hard core enabled"
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fi
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IS_SOFTCORE_DISABLED="$(if [ "${FIND1}" = "soft core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND1}" = "soft core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)"
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IS_HARDCORE_DISABLED="$(if [ "${FIND2}" = "hard core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND2}" = "hard core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)"
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if [ "${FIND2}" = "hard core disabled" ]; then
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LogText "Result: core dumps are hard disabled"
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Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "GREEN"
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if [ "${FIND1}" = "soft core disabled" ]; then
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Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN"
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else
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Display --indent 4 --text "- 'soft' config in security/limits.conf (implicit)" --result "${STATUS_DISABLED}" --color "GREEN"
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# When "* - core [value]" is used, then this sets both soft and core. In that case we set the values, as they the type 'hard' and 'soft' will not be present in the configuration file.
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if [ "${FIND3}" = "core dumps disabled" ]; then
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FIND1="soft core disabled"
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FIND2="hard core disabled"
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elif [ "${FIND3}" = "core dumps enabled" ]; then
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FIND1="soft core enabled"
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FIND2="hard core enabled"
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fi
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IS_SOFTCORE_DISABLED="$(if [ "${FIND1}" = "soft core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND1}" = "soft core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)"
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IS_HARDCORE_DISABLED="$(if [ "${FIND2}" = "hard core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND2}" = "hard core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)"
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if [ "${FIND2}" = "hard core disabled" ]; then
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LogText "Result: core dumps are hard disabled"
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Display --indent 4 --text "- 'hard' configuration in ${DIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "GREEN"
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if [ "${FIND1}" = "soft core disabled" ]; then
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Display --indent 4 --text "- 'soft' configuration in ${DIR}etc/security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN"
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else
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Display --indent 4 --text "- 'soft' config in ${DIR}etc/security/limits.conf (implicit)" --result "${STATUS_DISABLED}" --color "GREEN"
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fi
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AddHP 3 3
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elif [ "${FIND1}" = "soft core enabled" ] && [ "${FIND2}" = "hard core enabled" ]; then
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LogText "Result: core dumps (soft and hard) are enabled"
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Display --indent 4 --text "- 'hard' configuration in ${DIR}etc/security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
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Display --indent 4 --text "- 'soft' configuration in ${DIR}etc/security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
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ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in /etc/security/limits.conf file"
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AddHP 0 3
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elif [ "${FIND1}" = "soft core disabled" ]; then
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LogText "Result: core dumps are disabled for 'soft' ('hard'=${IS_HARDCORE_DISABLED})"
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Display --indent 4 --text "- 'hard' configuration in ${DIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "$(if [ "${IS_HARDCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_HARDCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
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Display --indent 4 --text "- 'soft' configuration in ${DIR}etc/security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN"
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AddHP 2 3
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elif [ "${FIND1}" = "soft core enabled" ] || [ "${FIND2}" = "hard core enabled" ]; then
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LogText "Result: core dumps are partially enabled ('hard'=${IS_HARDCORE_DISABLED}, 'soft'=${IS_SOFTCORE_DISABLED})"
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Display --indent 4 --text "- 'hard' configuration in ${DIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "$(if [ "${IS_HARDCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_HARDCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
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Display --indent 4 --text "- 'soft' configuration in ${DIR}etc/security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "$(if [ "${IS_SOFTCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_SOFTCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
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AddHP 0 3
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else
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LogText "Result: core dumps are not explicitly disabled"
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Display --indent 4 --text "- 'hard' configuration in ${DIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
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Display --indent 4 --text "- 'soft' configuration in ${DIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
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ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in ${DIR}etc/security/limits.conf file"
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AddHP 1 3
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fi
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AddHP 3 3
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elif [ "${FIND1}" = "soft core enabled" ] && [ "${FIND2}" = "hard core enabled" ]; then
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LogText "Result: core dumps (soft and hard) are enabled"
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Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
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Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
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ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in /etc/security/limits.conf file"
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AddHP 0 3
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elif [ "${FIND1}" = "soft core disabled" ]; then
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LogText "Result: core dumps are disabled for 'soft' ('hard'=${IS_HARDCORE_DISABLED})"
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Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "$(if [ "${IS_HARDCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_HARDCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
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Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN"
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AddHP 2 3
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elif [ "${FIND1}" = "soft core enabled" ] || [ "${FIND2}" = "hard core enabled" ]; then
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LogText "Result: core dumps are partially enabled ('hard'=${IS_HARDCORE_DISABLED}, 'soft'=${IS_SOFTCORE_DISABLED})"
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Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "$(if [ "${IS_HARDCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_HARDCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
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Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "$(if [ "${IS_SOFTCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_SOFTCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
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AddHP 0 3
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else
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LogText "Result: core dumps are not explicitly disabled"
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Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
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Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
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ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in ${ROOTDIR}etc/security/limits.conf file"
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AddHP 1 3
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LogText "Result: file ${DIR}etc/security/limits.conf does not exist, skipping test for this file"
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fi
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else
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LogText "Result: file ${ROOTDIR}etc/security/limits.conf does not exist, skipping test"
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fi
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done
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# Sysctl option
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LogText "Test: Checking sysctl value of fs.suid_dumpable"
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