mirror of https://github.com/CISOfy/lynis.git
133 lines
6.3 KiB
Bash
133 lines
6.3 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 2007-2015, Michael Boelen (michael@rootkit.nl), The Netherlands
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# Web site: http://www.rootkit.nl
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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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# Memory and processes
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#
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#################################################################################
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#
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InsertSection "Memory and processes"
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#
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#################################################################################
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#
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# Test : PROC-3602
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# Description : Query /proc/meminfo
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Register --test-no PROC-3602 --os Linux --weight L --network NO --description "Checking /proc/meminfo for memory details"
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if [ ${SKIPTEST} -eq 0 ]; then
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if [ -f /proc/meminfo ]; then
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logtext "Result: found /proc/meminfo"
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Display --indent 2 --text "- Checking /proc/meminfo" --result FOUND --color GREEN
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FIND=`cat /proc/meminfo | grep "^MemTotal" | tr -s ' ' | awk '{ print $2" "$3 }'`
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MEMORY_SIZE=`echo ${FIND} | awk '{ print $1 }'`
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MEMORY_UNITS=`echo ${FIND} | awk '{ print $2 }'`
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logtext "Result: Found ${MEMORY_SIZE} ${MEMORY_UNITS} memory"
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report "memory_size=${MEMORY_SIZE}"
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report "memory_units=${MEMORY_UNITS}"
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else
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logtext "Result: /proc/meminfo file not found on this system"
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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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# Test : PROC-3604
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# Description : Query /proc/meminfo
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Register --test-no PROC-3604 --os Solaris --weight L --network NO --description "Query prtconf for memory details"
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if [ ${SKIPTEST} -eq 0 ]; then
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logtext "Test: Searching /usr/sbin/prtconf"
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if [ -x /usr/sbin/prtconf ]; then
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Display --indent 2 --text "- Querying prtconf for installed memory" --result DONE --color GREEN
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MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory size:" | cut -d ' ' -f3`
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MEMORY_UNITS=`/usr/sbin/prtconf | grep "^Memory size:" | cut -d ' ' -f4`
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logtext "Result: Found ${MEMORY_SIZE} ${MEMORY_UNITS} memory"
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report "memory_size=${MEMORY_SIZE}"
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report "memory_units=${MEMORY_UNITS}"
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else
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Display --indent 2 --text "- Querying prtconf for installed memory" --result SKIPPED --color WHITE
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logtext "Result: /usr/sbin/prtconf not found"
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fi
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fi
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#
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#################################################################################
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#
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# Test : PROC-3612
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# Description : Searching for dead and zombie processes
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# Notes : Don't perform test on Solaris
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if [ ! "${OS}" = "Solaris" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no PROC-3612 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check dead or zombie processes"
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if [ ${SKIPTEST} -eq 0 ]; then
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if [ "${OS}" = "AIX" ]; then
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FIND=`${PSBINARY} -Ae -o pid,wchan,stat,comm | awk '{ if ($3 ~ /Z|X/) print $1 }' | xargs`
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else
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FIND=`${PSBINARY} x -o pid,wchan,stat,comm | awk '{ if ($3 ~ /Z|X/) print $1 }' | xargs`
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fi
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if [ "${FIND}" = "" ]; then
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logtext "Result: no zombie processes found"
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Display --indent 2 --text "- Searching for dead/zombie processes" --result OK --color GREEN
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else
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logtext "Result: found one or more dead or zombie processes"
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logtext "Output: PIDs ${FIND}"
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Display --indent 2 --text "- Searching for dead/zombie processes" --result WARNING --color RED
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ReportSuggestion ${TEST_NO} "Check the output of ps for dead or zombie processes"
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fi
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fi
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#
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#################################################################################
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#
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# Test : PROC-3614
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# Description : Searching for heavy IO based waiting processes
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# Notes : Don't perform test on Solaris
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if [ ! "${OS}" = "Solaris" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no PROC-3614 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check heavy IO waiting based processes"
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if [ ${SKIPTEST} -eq 0 ]; then
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if [ "${OS}" = "AIX" ]; then
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FIND=`${PSBINARY} -Ae -o pid,wchan,stat,comm | awk '{ if ($3=="D") print $1 }' | xargs`
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else
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FIND=`${PSBINARY} x -o pid,wchan,stat,comm | awk '{ if ($3=="D") print $1 }' | xargs`
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fi
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if [ "${FIND}" = "" ]; then
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logtext "Result: No processes were waiting for IO requests to be handled first"
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Display --indent 2 --text "- Searching for IO waiting processes" --result OK --color GREEN
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else
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logtext "Result: found one or more processes which were waiting to get IO requests handled first"
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logtext "More info: processes which show up with the status flag 'D' are often stuck, until a disk IO event finished. This can happen for example with network storage, where the connection or protocol settings are not logtext well configured."
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logtext "Output: PIDs ${FIND}"
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Display --indent 2 --text "- Searching for IO waiting processes" --result WARNING --color RED
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ReportSuggestion ${TEST_NO} "Check process listing for processes waiting for IO requests"
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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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# Ubuntu test: dead processes
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# who -d
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#
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#################################################################################
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#
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# Test : PROC-3624
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# Description : Check shared memory (ipcs -m)
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# Notes : if it's empty, check /dev/shm and warn if any files are left behind
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#Register --test-no PROC-3614 --os Linux --weight L --network NO --description "Check shared memory"
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#if [ ${SKIPTEST} -eq 0 ]; then
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#
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#################################################################################
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#
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wait_for_keypress
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#
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#================================================================================
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# Lynis - Copyright 2007-2015, Michael Boelen - www.rootkit.nl - The Netherlands
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