[KRNL-5820] additional path for security/limits.conf

Changes the user facing output to display a full path, allowing the user to
better grasp which security/limits.conf file is affected.

fix issue #1264
This commit is contained in:
Robert Frohl 2022-02-04 13:41:31 +01:00
parent 546693636d
commit 14fd7dabc8
No known key found for this signature in database
GPG Key ID: 089EDB3D230A2404
1 changed files with 57 additions and 52 deletions

View File

@ -532,62 +532,67 @@
fi fi
fi fi
# Limits option # Limits option
LogText "Test: Checking presence ${ROOTDIR}etc/security/limits.conf" ROOTDIR_BACKUP=$ROOTDIR
if [ -f "${ROOTDIR}etc/security/limits.conf" ]; then for ALTERNATIVE_DIR in "/usr/" "/"; do
LogText "Result: file ${ROOTDIR}etc/security/limits.conf exists" ROOTDIR=$ALTERNATIVE_DIR
LogText "Test: Checking if core dumps are disabled in ${ROOTDIR}etc/security/limits.conf and ${LIMITS_DIRECTORY}/*" LogText "Test: Checking presence ${ROOTDIR}etc/security/limits.conf"
# using find instead of grep -r to stay POSIX compliant. On AIX and HPUX grep -r is not available. if [ -f "${ROOTDIR}etc/security/limits.conf" ]; then
FIND1=$(${FINDBINARY} "${ROOTDIR}etc/security/limits.conf" "${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) LogText "Result: file ${ROOTDIR}etc/security/limits.conf exists"
FIND2=$(${FINDBINARY} "${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) LogText "Test: Checking if core dumps are disabled in ${ROOTDIR}etc/security/limits.conf and ${LIMITS_DIRECTORY}/*"
FIND3=$(${FINDBINARY} "${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" } }' | ${TAILBINARY} -1) # using find instead of grep -r to stay POSIX compliant. On AIX and HPUX grep -r is not available.
FIND1=$(${FINDBINARY} "${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" } }' | ${TAILBINARY} -1)
FIND2=$(${FINDBINARY} "${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" } }' | ${TAILBINARY} -1)
FIND3=$(${FINDBINARY} "${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" } }' | ${TAILBINARY} -1)
# When "* - core [value]" is used, then this sets both soft and core. In that case we set the values, as they the type 'hard' and 'soft' will not be present in the configuration file. # When "* - core [value]" is used, then this sets both soft and core. In that case we set the values, as they the type 'hard' and 'soft' will not be present in the configuration file.
if [ "${FIND3}" = "core dumps disabled" ]; then if [ "${FIND3}" = "core dumps disabled" ]; then
FIND1="soft core disabled" FIND1="soft core disabled"
FIND2="hard core disabled" FIND2="hard core disabled"
elif [ "${FIND3}" = "core dumps enabled" ]; then elif [ "${FIND3}" = "core dumps enabled" ]; then
FIND1="soft core enabled" FIND1="soft core enabled"
FIND2="hard core enabled" FIND2="hard core enabled"
fi fi
IS_SOFTCORE_DISABLED="$(if [ "${FIND1}" = "soft core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND1}" = "soft core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)" IS_SOFTCORE_DISABLED="$(if [ "${FIND1}" = "soft core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND1}" = "soft core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)"
IS_HARDCORE_DISABLED="$(if [ "${FIND2}" = "hard core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND2}" = "hard core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)" IS_HARDCORE_DISABLED="$(if [ "${FIND2}" = "hard core disabled" ]; then ${ECHOCMD} DISABLED; elif [ "${FIND2}" = "hard core enabled" ]; then ${ECHOCMD} ENABLED; else ${ECHOCMD} ${STATUS_DEFAULT}; fi)"
if [ "${FIND2}" = "hard core disabled" ]; then if [ "${FIND2}" = "hard core disabled" ]; then
LogText "Result: core dumps are hard disabled" LogText "Result: core dumps are hard disabled"
Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "GREEN" Display --indent 4 --text "- 'hard' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "GREEN"
if [ "${FIND1}" = "soft core disabled" ]; then if [ "${FIND1}" = "soft core disabled" ]; then
Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN" Display --indent 4 --text "- 'soft' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN"
else else
Display --indent 4 --text "- 'soft' config in security/limits.conf (implicit)" --result "${STATUS_DISABLED}" --color "GREEN" Display --indent 4 --text "- 'soft' config in ${ROOTDIR}etc/security/limits.conf (implicit)" --result "${STATUS_DISABLED}" --color "GREEN"
fi
AddHP 3 3
elif [ "${FIND1}" = "soft core enabled" ] && [ "${FIND2}" = "hard core enabled" ]; then
LogText "Result: core dumps (soft and hard) are enabled"
Display --indent 4 --text "- 'hard' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
Display --indent 4 --text "- 'soft' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in /etc/security/limits.conf file"
AddHP 0 3
elif [ "${FIND1}" = "soft core disabled" ]; then
LogText "Result: core dumps are disabled for 'soft' ('hard'=${IS_HARDCORE_DISABLED})"
Display --indent 4 --text "- 'hard' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "$(if [ "${IS_HARDCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_HARDCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
Display --indent 4 --text "- 'soft' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN"
AddHP 2 3
elif [ "${FIND1}" = "soft core enabled" ] || [ "${FIND2}" = "hard core enabled" ]; then
LogText "Result: core dumps are partially enabled ('hard'=${IS_HARDCORE_DISABLED}, 'soft'=${IS_SOFTCORE_DISABLED})"
Display --indent 4 --text "- 'hard' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "$(if [ "${IS_HARDCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_HARDCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
Display --indent 4 --text "- 'soft' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "$(if [ "${IS_SOFTCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_SOFTCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
AddHP 0 3
else
LogText "Result: core dumps are not explicitly disabled"
Display --indent 4 --text "- 'hard' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
Display --indent 4 --text "- 'soft' configuration in ${ROOTDIR}etc/security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in ${ROOTDIR}etc/security/limits.conf file"
AddHP 1 3
fi fi
AddHP 3 3
elif [ "${FIND1}" = "soft core enabled" ] && [ "${FIND2}" = "hard core enabled" ]; then
LogText "Result: core dumps (soft and hard) are enabled"
Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${STATUS_ENABLED}" --color "RED"
ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in /etc/security/limits.conf file"
AddHP 0 3
elif [ "${FIND1}" = "soft core disabled" ]; then
LogText "Result: core dumps are disabled for 'soft' ('hard'=${IS_HARDCORE_DISABLED})"
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 ${ECHOCMD} WHITE; fi)"
Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "GREEN"
AddHP 2 3
elif [ "${FIND1}" = "soft core enabled" ] || [ "${FIND2}" = "hard core enabled" ]; then
LogText "Result: core dumps are partially enabled ('hard'=${IS_HARDCORE_DISABLED}, 'soft'=${IS_SOFTCORE_DISABLED})"
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 ${ECHOCMD} WHITE; fi)"
Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_SOFTCORE_DISABLED}" --color "$(if [ "${IS_SOFTCORE_DISABLED}" = "ENABLED" ]; then ${ECHOCMD} RED; elif [ "${IS_SOFTCORE_DISABLED}" = "DISABLED" ]; then ${ECHOCMD} GREEN; else ${ECHOCMD} WHITE; fi)"
AddHP 0 3
else else
LogText "Result: core dumps are not explicitly disabled" LogText "Result: file ${ROOTDIR}etc/security/limits.conf does not exist, skipping test"
Display --indent 4 --text "- 'hard' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
Display --indent 4 --text "- 'soft' configuration in security/limits.conf" --result "${IS_HARDCORE_DISABLED}" --color "WHITE"
ReportSuggestion "${TEST_NO}" "If not required, consider explicit disabling of core dump in ${ROOTDIR}etc/security/limits.conf file"
AddHP 1 3
fi fi
else done
LogText "Result: file ${ROOTDIR}etc/security/limits.conf does not exist, skipping test" ROOTDIR=$ROOTDIR_BACKUP
fi
# Sysctl option # Sysctl option
LogText "Test: Checking sysctl value of fs.suid_dumpable" LogText "Test: Checking sysctl value of fs.suid_dumpable"