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#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
2016-03-13 16:00:39 +01:00
# Copyright 2007-2013, Michael Boelen
# Copyright 2013-2016, CISOfy
#
# Website : https://cisofy.com
# Blog : http://linux-audit.com
# GitHub : https://github.com/CISOfy/lynis
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#
# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
# welcome to redistribute it under the terms of the GNU General Public License.
# See LICENSE file for usage of this software.
#
#################################################################################
#
# File systems
#
#################################################################################
#
# Number of days to mark a file as old
TMP_OLD_DAYS=90
LVM_VG_USED=0
#
#################################################################################
#
InsertSection "File systems"
#
#################################################################################
#
# Test : FILE-6310
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# Description : Checking if some mount points are separated from /
# Goal : Users should not be able to fill their home directory or temporary directory and creating a Denial of Service
Register --test-no FILE-6310 --weight L --network NO --description "Checking /tmp, /home and /var directory"
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if [ ${SKIPTEST} -eq 0 ]; then
Display --indent 2 --text "- Checking mount points"
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SEPARATED_FILESYTEMS="/home /tmp /var"
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for I in ${SEPARATED_FILESYTEMS}; do
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LogText "Test: Checking if ${I} is mounted separately or mounted on / file system"
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if [ -L ${I} ]; then
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ShowSymlinkPath ${I}
LogText "Result: ${I} is a symlink. Manual check required to determine exact file system options"
ReportSuggestion ${TEST_NO} "Symlinked mount point needs to be checked manually" "${I}" ""
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Display --indent 4 --text "- Checking ${I} mount point" --result SYMLINK --color WHITE
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elif [ -d ${I} ]; then
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LogText "Result: directory ${I} exists"
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FIND=`mount | grep "${I}"`
if [ ! "${FIND}" = "" ]; then
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LogText "Result: found ${I} as a separated mount point"
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Display --indent 4 --text "- Checking ${I} mount point" --result OK --color GREEN
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AddHP 10 10
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else
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LogText "Result: ${I} not found in mount list. Directory most likely stored on / file system"
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Display --indent 4 --text "- Checking ${I} mount point" --result SUGGESTION --color YELLOW
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ReportSuggestion ${TEST_NO} "To decrease the impact of a full ${I} file system, place ${I} on a separated partition"
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AddHP 9 10
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fi
else
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LogText "Result: directory ${I} does not exist"
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fi
done
fi
#
#################################################################################
#
# Test : FILE-6311
# Description : Checking LVM Volume Groups
# Notes : No volume groups found is sent to STDERR for unclear reasons. Filtering both STDERR redirecting and grep.
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if [ ! "${VGDISPLAYBINARY}" = "" -o ! "${LSVGBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no FILE-6311 --preqs-met ${PREQS_MET} --weight L --network NO --description "Checking LVM volume groups"
if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking for LVM volume groups"
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case ${OS} in
AIX)
FIND=`${LSVGBINARY} -o`
;;
Linux)
FIND=`${VGDISPLAYBINARY} 2> /dev/null | grep -v "No volume groups found" | grep "VG Name" | awk '{ print $3 }' | sort`
;;
*)
ReportException "${TEST_NO}:1" "Don't know this specific operating system yet, while volume group manager was found"
;;
esac
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if [ ! "${FIND}" = "" ]; then
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LogText "Result: found one or more volume groups"
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for I in ${FIND}; do
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LogText "Found LVM volume group: ${I}"
Report "lvm_volume_group[]=${I}"
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done
LVM_VG_USED=1
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Display --indent 2 --text "- Checking LVM volume groups" --result FOUND --color GREEN
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else
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LogText "Result: no LVM volume groups found"
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Display --indent 2 --text "- Checking LVM volume groups" --result NONE --color WHITE
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fi
fi
#
#################################################################################
#
# Test : FILE-6312
# Description : Checking LVM volumes
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if [ ${LVM_VG_USED} -eq 1 ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
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Register --test-no FILE-6312 --preqs-met ${PREQS_MET} --weight L --network NO --description "Checking LVM volumes"
if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking for LVM volumes"
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case ${OS} in
AIX)
ACTIVE_VG_LIST=`${LSVGBINARY} -o`
FIND=`for I in ${ACTIVE_VG_LIST}; do ${LSVGBINARY} -l ${I} | awk 'NR>2 { print $1 }'; done`
;;
Linux)
FIND=`${LVDISPLAYBINARY} | grep -v "No volume groups found" | grep "LV Name" | awk '{ print $3 }' | sort`
;;
*)
ReportException "${TEST_NO}:1" "Need specific test for gathering volume manager data"
;;
esac
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if [ ! "${FIND}" = "" ]; then
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LogText "Result: found one or more volumes"
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for I in ${FIND}; do
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LogText "Found LVM volume: ${I}"
Report "lvm_volume[]=${I}"
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done
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Display --indent 4 --text "- Checking LVM volumes" --result FOUND --color GREEN
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else
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LogText "Result: no LVM volume groups found"
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Display --indent 4 --text "- Checking LVM volumes" --result NONE --color WHITE
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fi
fi
#
#################################################################################
#
# Test : FILE-6316
# Description : Checking /etc/fstab file permissions
#Register --test-no FILE-6316 --os Linux --weight L --network NO --description "Checking /etc/fstab"
#if [ ${SKIPTEST} -eq 0 ]; then
# 644
#
#################################################################################
#
# Test : FILE-6323
# Description : Checking Linux EXT2, EXT3, EXT4 file systems
Register --test-no FILE-6323 --os Linux --weight L --network NO --description "Checking EXT file systems"
if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Checking for Linux EXT file systems"
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FIND=`mount -t ext2,ext3,ext4 | awk '{ print $3","$5 }'`
if [ ! "${FIND}" = "" ]; then
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LogText "Result: found one or more EXT file systems"
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for I in ${FIND}; do
FILESYSTEM=`echo ${I} | cut -d ',' -f1`
FILETYPE=`echo ${I} | cut -d ',' -f2`
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LogText "File system: ${FILESYSTEM} (type: ${FILETYPE})"
Report "file_systems_ext[]=${FILESYSTEM}|${FILETYPE}|"
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done
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else
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LogText "Result: no EXT file systems found"
Report "file_systems_ext[]=none"
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fi
fi
#
#################################################################################
#
# Test : FILE-6329
# Description : Query all FFS/UFS mounts from /etc/fstab
if [ -f /etc/fstab ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FILE-6329 --preqs-met ${PREQS_MET} --weight L --network NO --description "Checking FFS/UFS file systems"
if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Query /etc/fstab for available FFS/UFS mount points"
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FIND=`awk '{ if ($3 == "ufs" || $3 == "ffs" ) { print $1":"$2":"$3":"$4":" }}' /etc/fstab`
if [ "${FIND}" = "" ]; then
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Display --indent 2 --text "- Querying FFS/UFS mount points (fstab)" --result NONE --color WHITE
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LogText "Result: unable to find any single mount point (FFS/UFS)"
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else
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Display --indent 2 --text "- Querying FFS/UFS mount points (fstab)" --result FOUND --color GREEN
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Report "filesystem[]=ufs"
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for I in ${FIND}; do
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LogText "FFS/UFS mount found: ${I}"
Report "mountpoint_ufs[]=${I}"
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done
fi
fi
#
#################################################################################
#
# Test : FILE-6330
# Description : Query all ZFS mounts from /etc/fstab
Register --test-no FILE-6330 --os FreeBSD --weight L --network NO --description "Checking ZFS file systems"
if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Query /etc/fstab for available ZFS mount points"
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FIND=`mount -p | awk '{ if ($3 == "zfs") { print $1":"$2":"$3":"$4":" }}'`
if [ "${FIND}" = "" ]; then
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Display --indent 2 --text "- Querying ZFS mount points (mount -p)" --result NONE --color WHITE
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LogText "Result: unable to find any single mount point (ZFS)"
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else
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Display --indent 2 --text "- Querying ZFS mount points (mount -p)" --result FOUND --color GREEN
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Report "filesystem[]=zfs"
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for I in ${FIND}; do
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LogText "ZFS mount found: ${I}"
Report "mountpoint_zfs[]=${I}"
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done
fi
fi
#
#################################################################################
#
# Test : FILE-6332
# Description : Check swap partitions
if [ -f /etc/fstab ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FILE-6332 --preqs-met ${PREQS_MET} --weight L --network NO --description "Checking swap partitions"
if [ ${SKIPTEST} -eq 0 ]; then
FOUND=0
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LogText "Test: query swap partitions from /etc/fstab file"
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# Check if third field contains 'swap'
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FIND=`awk '{ if ($2=="swap" || $3=="swap") { print $1 }}' /etc/fstab | grep -v "^#"`
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for I in ${FIND}; do
FOUND=1
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REAL=""
UUID=""
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LogText "Swap partition found: ${I}"
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# YYY Add a test if partition is not a normal partition (e.g. UUID=)
# Can be ^/dev/mapper/vg-name_lv-name
# Can be ^/dev/partition
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# Can be ^UUID=uuid --> /dev/disk/by-uuid/<uuid>
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HAS_UUID=`echo ${I} | grep "^UUID="`
if [ ! "${HAS_UUID}" = "" ]; then
UUID=`echo ${HAS_UUID} | awk -F= '{ print $2 }'`
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LogText "Result: Using ${UUID} as UUID"
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if [ ! "${BLKIDBINARYx}" = "" ]; then
FIND2=`${BLKIDBINARY} | awk '{ if ($2=="UUID=\"${UUID}\"") print $1 }' | sed 's/:$//'`
if [ ! "${FIND2}" = "" ]; then
REAL="${FIND2}"
fi
else
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LogText "Result: blkid binary not found, trying by checking device listing"
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sFILE=""
if [ -L /dev/disk/by-uuid/${UUID} ]; then
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LogText "Result: found disk via /dev/disk/by-uuid listing"
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ShowSymlinkPath /dev/disk/by-uuid/${UUID}
if [ ! "${sFILE}" = "" ]; then
REAL="${sFILE}"
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LogText "Result: disk is ${REAL}"
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fi
else
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LogText "Result: no symlink found to /dev/disk/by-uuid/${UUID}"
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fi
fi
fi
# Set real device
if [ "${REAL}" = "" ]; then
REAL="${I}"
fi
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Report "swap_partition[]=${I},${REAL},"
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done
if [ ${FOUND} -eq 1 ]; then
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Display --indent 2 --text "- Query swap partitions (fstab)" --result OK --color GREEN
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else
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Display --indent 2 --text "- Query swap partitions (fstab)" --result NONE --color YELLOW
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LogText "Result: no swap partitions found in /etc/fstab"
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fi
fi
#
#################################################################################
#
# Test : FILE-6336
# Description : Check swap mount options
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# Examples : [partition] swap swap defaults 0 0
# [partition] none swap sw 0 0
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if [ -f /etc/fstab ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FILE-6336 --preqs-met ${PREQS_MET} --weight L --network NO --description "Checking swap mount options"
if [ ${SKIPTEST} -eq 0 ]; then
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# Swap partitions should be mounted with 'sw' or 'swap'
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LogText "Test: check swap partitions with incorrect mount options"
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#FIND=`awk '{ if ($3=="swap" && ($4!="sw" && $4!="swap" && $4!="defaults")) print $1 }' /etc/fstab`
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FIND=`awk '{ if ($3=="swap" && ($4~/sw/ || $4=="defaults")) { print $1 }}' /etc/fstab`
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if [ ! "${FIND}" = "" ]; then
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Display --indent 2 --text "- Testing swap partitions" --result OK --color GREEN
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LogText "Result: all swap partitions have correct options (sw or swap)"
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else
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Display --indent 2 --text "- Testing swap partitions" --result "CHECK NEEDED" --color YELLOW
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LogText "Result: possible incorrect mount options used for mounting swap partition (${FIND})"
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#ReportWarning ${TEST_NO} "L" "Possible incorrect mount options used for swap parition (${FIND})"
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ReportSuggestion ${TEST_NO} "Check your /etc/fstab file for swap partition mount options"
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LogText "Notes: usually swap partition have 'sw' or 'swap' in the options field (4th)"
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fi
fi
#
#################################################################################
#
# Test : FILE-6354
# Description : Search files within /tmp which are older than 3 months
if [ -d /tmp ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FILE-6354 --preqs-met ${PREQS_MET} --weight L --network NO --description "Searching for old files in /tmp"
if [ ${SKIPTEST} -eq 0 ]; then
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LogText "Test: Searching for old files in /tmp"
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# Search for files only in /tmp, with an access time older than X days
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FIND=`find /tmp -type f -atime +${TMP_OLD_DAYS} 2> /dev/null | sed 's/ /!space!/g'`
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if [ "${FIND}" = "" ]; then
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Display --indent 2 --text "- Checking for old files in /tmp" --result OK --color GREEN
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LogText "Result: no files found in /tmp which are older than 3 months"
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else
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Display --indent 2 --text "- Checking for old files in /tmp" --result FOUND --color RED
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N=0
for I in ${FIND}; do
FILE=`echo ${I} | sed 's/!space!/ /g'`
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LogText "Old temporary file: ${FILE}"
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N=$((N + 1))
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done
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LogText "Result: found old files in /tmp, which were not modified in the last ${TMP_OLD_DAYS} days"
LogText "Advice: check and clean up unused files in /tmp. Old files can fill up a disk or contain"
LogText "private information and should be deleted it not being used actively. Use a tool like lsof to"
LogText "see which programs possibly are using a particular file. Some systems can cleanup temporary"
LogText "directories by setting a boot option."
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ReportSuggestion ${TEST_NO} "Check ${N} files in /tmp which are older than ${TMP_OLD_DAYS} days"
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fi
fi
#
#################################################################################
#
# Test: scan the skel directory for bad permissions
# Reason: bad permissions on these files will give new created users the same permissions
#YYY enable skel test
# Several differences between operating systems are present
#SKELDIRS="/etc/skel /usr/share/skel"
#for I in ${SKELDIRS}; do
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#
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# LogText "Searching skel directory ${I}"
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#
# if [ -d ${I} ]; then
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# LogText "Result: Directory found, scanning for unsafe file permissions"
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# FIND=`ls -A ${I} | wc -l | sed 's/ //g'`
# if [ ! "${FIND}" = "0" ]; then
# FIND=`find ${I} -type f -a \( -perm -004 -o -perm -002 -o -perm -001 \)`
# if [ "${FIND}" = "" ]; then
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# Display --indent 2 --text "- Checking skel file permissions (${I})" --result OK --color GREEN
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# LogText "Result: Directory seems to be ok, no files found with read/write/execute bit set."
# LogText "Status: OK"
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# else
# Display --indent 2 --text "- Checking skel file permissions (${I})" --result WARNING --color RED
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# LogText "Result: The following files do have non restrictive permissions: ${FIND}"
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# ReportSuggestion ${TEST_NO} "Remove the read, write or execute bit from these files (chmod o-rwx)"
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# fi
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# else
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# Display --indent 2 --text "- Checking skel file permissions (${I})" --result EMPTY --color WHITE
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# LogText "Directory ${I} is empty, no scan performed"
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# fi
# else
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# Display --indent 2 --text "- Checking skel file permissions (${I})" --result "NOT FOUND" --color WHITE
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# LogText "Result: Skel directory (${I}) not found"
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# fi
#done
#
#################################################################################
#
# Test : FILE-6362
# Description : Check for sticky bit on /tmp
if [ -d /tmp -a ! -L /tmp ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FILE-6362 --preqs-met ${PREQS_MET} --weight L --network NO --description "Checking /tmp sticky bit"
if [ ${SKIPTEST} -eq 0 ]; then
# Depending on OS, number of field with 'tmp' differs
FIND=`ls -l / | tr -s ' ' | awk -F" " '{ if ( $8 == "tmp" || $9 == "tmp" ) { print $1 } }' | cut -c 10`
if [ "${FIND}" = "t" -o "${FIND}" = "T" ]; then
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Display --indent 2 --text "- Checking /tmp sticky bit" --result OK --color GREEN
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LogText "Result: Sticky bit (${FIND}) found on /tmp directory"
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AddHP 3 3
else
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Display --indent 2 --text "- Checking /tmp sticky bit" --result WARNING --color RED
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ReportWarning ${TEST_NO} "H" "No sticky bit found on /tmp directory, which can be dangerous!"
ReportSuggestion ${TEST_NO} "Consult documentation and place the sticky bit, to prevent users deleting (by other owned) files in the /tmp directory."
AddHP 0 3
fi
else
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LogText "Result: Sticky bit test (on /tmp) skipped. Possible reason: missing or symlinked directory, or test skipped."
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fi
#
#################################################################################
#
# Test : FILE-6366
# Description : Check for noatime option
# More info : especially useful for profile 'desktop' and 'server-storage'
#
#################################################################################
#
# Test : FILE-6368
# Description : Checking Linux root file system ACL support
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Register --test-no FILE-6368 --os Linux --weight L --network NO --root-only YES --description "Checking ACL support on root file system"
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if [ ${SKIPTEST} -eq 0 ]; then
FOUND=0
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LogText "Test: Checking acl option on ext[2-4] root file system"
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FIND=`mount | ${AWKBINARY} '{ if ($3=="/" && $5~/ext[2-4]/) { print $6 } }' | grep acl`
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if [ ! "${FIND}" = "" ]; then
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LogText "Result: found ACL option"
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FOUND=1
else
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LogText "Result: mount point probably mounted with defaults"
LogText "Test: Checking device which holds root file system"
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# Get device on which root file system is mounted. Use /dev/root if it exists, or
# else check output of mount
if [ -b /dev/root ]; then
FIND1="/dev/root"
else
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# Only determine device if it is EXT2/3/4
#FIND1=`mount | grep "on / " | awk '{ if ($5~/ext[2-4]/) { print $1 }}'`
FIND1=`mount -t ext2,ext3,ext4 | grep "on / " | awk '{ print $1 }'`
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fi
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# Trying to determine default mount options from EXT2/EXT3/EXT4 file systems
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if [ ! "${FIND1}" = "" ]; then
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LogText "Result: found ${FIND1}"
LogText "Test: Checking default options on ${FIND1}"
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FIND2=`${TUNE2FSBINARY} -l ${FIND1} 2> /dev/null | grep "^Default mount options" | grep "acl"`
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if [ ! "${FIND2}" = "" ]; then
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LogText "Result: found ACL option in default mount options"
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FOUND=1
else
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LogText "Result: no ACL option found in default mount options list"
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fi
else
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LogText "Result: No file system found with root file system"
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fi
fi
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LogText "Test: Checking acl option on xfs root file system"
FIND=`mount | ${AWKBINARY} '{ if ($3=="/" && $5~/xfs/) { print $6 } }' | egrep 'no_acl|no_user_xattr'`
if [ "${FIND}" = "" ]; then
FOUND=1
# some other tests to do ?
fi
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if [ ${FOUND} -eq 0 ]; then
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LogText "Result: ACL option NOT enabled on root file system"
LogText "Additional information: if file access need to be more restricted, ACLs could be used. Install the acl utilities and remount the file system with the acl option"
LogText "Activate acl support on and active file system with mount -o remount,acl / and add the acl option to the fstab file"
2014-09-15 12:01:09 +02:00
Display --indent 2 --text "- ACL support root file system" --result DISABLED --color YELLOW
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AddHP 0 1
else
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LogText "Result: ACL option enabled on root file system"
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Display --indent 2 --text "- ACL support root file system" --result ENABLED --color GREEN
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AddHP 3 3
fi
fi
#
#################################################################################
#
# Test : FILE-6372
# Description : Check / mount options for Linux
# Notes :
Register --test-no FILE-6372 --os Linux --weight L --network NO --description "Checking / mount options"
if [ ${SKIPTEST} -eq 0 ]; then
if [ -f /etc/fstab ]; then
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FIND=`cat /etc/fstab | grep -v "^#" | awk '{ if ($2=="/") { print $4 } }'`
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NODEV=`echo ${FIND} | awk '{ if ($1 ~ "nodev") { print "YES" } else { print "NO" } }'`
NOEXEC=`echo ${FIND} | awk '{ if ($1 ~ "noexec") { print "YES" } else { print "NO" } }'`
NOSUID=`echo ${FIND} | awk '{ if ($1 ~ "nosuid") { print "YES" } else { print "NO" } }'`
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if [ ! "${FIND}" = "" ]; then
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LogText "Result: mount system / is configured with options: ${FIND}"
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if [ "${FIND}" = "defaults" ]; then
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Display --indent 2 --text "- Mount options of /" --result OK --color GREEN
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else
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Display --indent 2 --text "- Mount options of /" --result "NON DEFAULT" --color YELLOW
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fi
else
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LogText "Result: no mount point / or expected options found"
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fi
fi
fi
#
#################################################################################
#
# Test : FILE-6374
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# Description : Check mount options for Linux
# Notes : This test determines if the mount point exists. If it does not exist as mount point, yet it is an directory,
# you might consider to make it a separate mount point with restrictions.
#
# Depending on the primary goals of a machine, some mount points might be too restrictive. Before applying any
# mount flags, test them on a similar or cloned test system.
#
# ---------------------------------------------------------
# Mount point nodev noexec nosuid
# /boot v v v
# /home v v
# /tmp v v v
# /var v
# /var/log v v v
# /var/log/audit v v v
# ---------------------------------------------------------
2016-05-11 15:17:50 +02:00
FILESYSTEMS_TO_CHECK="/boot:nodev,noexec,nosuid /home:nodev,nosuid /var:nosuid /var/log:nodev,noexec,nosuid /var/log/audit:nodev,noexec,nosuid /tmp:nodev,noexec,nosuid /dev/shm:nosuid,nodev,noexec"
2014-08-26 17:33:55 +02:00
Register --test-no FILE-6374 --os Linux --weight L --network NO --description "Checking /boot mount options"
if [ ${SKIPTEST} -eq 0 ]; then
if [ -f /etc/fstab ]; then
2015-09-03 15:44:10 +02:00
for I in ${FILESYSTEMS_TO_CHECK}; do
FILESYSTEM=`echo ${I} | cut -d: -f1`
EXPECTED_FLAGS=`echo ${I} | cut -d: -f2 | sed 's/,/ /g'`
IN_FSTAB=`cat /etc/fstab | awk -v fs=${FILESYSTEM} '{ if ($2==fs) { print "FOUND" } }'`
if [ ! "${IN_FSTAB}" = "" ]; then
FOUND_FLAGS=`cat /etc/fstab | awk -v fs=${FILESYSTEM} '{ if ($2==fs) { print $4 } }' | sed 's/,/ /g'`
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LogText "File system: ${FILESYSTEM}"
LogText "Expected flags: ${EXPECTED_FLAGS}"
LogText "Found flags: ${FOUND_FLAGS}"
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PARTIALLY_HARDENED=0
FULLY_HARDENED=1
for FLAG in ${EXPECTED_FLAGS}; do
FLAG_AVAILABLE=`echo ${FOUND_FLAGS} | grep ${FLAG}`
if [ "${FLAG_AVAILABLE}" = "" ]; then
2015-12-21 21:17:15 +01:00
LogText "Result: Could not find mount option ${FLAG} on file system ${FILESYSTEM}"
2015-09-03 15:44:10 +02:00
FULLY_HARDENED=0
else
2015-12-21 21:17:15 +01:00
LogText "Result: GOOD, found mount option ${FLAG} on file system ${FILESYSTEM}"
2015-09-03 15:44:10 +02:00
PARTIALLY_HARDENED=1
fi
done
if [ ${FULLY_HARDENED} -eq 1 ]; then
2015-12-21 21:17:15 +01:00
LogText "Result: marked ${FILESYSTEM} as fully hardenened"
2015-09-03 15:44:10 +02:00
Display --indent 2 --text "- Mount options of ${FILESYSTEM}" --result HARDENED --color GREEN
AddHP 5 5
elif [ ${PARTIALLY_HARDENED} -eq 1 ]; then
2015-12-21 21:17:15 +01:00
LogText "Result: marked ${FILESYSTEM} as fully hardenened"
2015-09-03 15:44:10 +02:00
Display --indent 2 --text "- Mount options of ${FILESYSTEM}" --result "PARTIALLY HARDENED" --color YELLOW
2014-08-26 17:33:55 +02:00
AddHP 4 5
2015-09-03 15:44:10 +02:00
else
if [ "${FOUND_FLAGS}" = "defaults" ]; then
2015-12-21 21:17:15 +01:00
LogText "Result: marked ${FILESYSTEM} options as default (non hardened)"
2015-09-03 15:44:10 +02:00
Display --indent 2 --text "- Mount options of ${FILESYSTEM}" --result DEFAULT --color YELLOW
AddHP 3 5
else
2015-12-21 21:17:15 +01:00
LogText "Result: marked ${FILESYSTEM} options as non default (unclear about hardening)"
2015-09-03 15:44:10 +02:00
Display --indent 2 --text "- Mount options of ${FILESYSTEM}" --result "NON DEFAULT" --color YELLOW
AddHP 4 5
fi
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fi
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else
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LogText "Result: file system ${FILESYSTEM} not found in /etc/fstab"
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fi
2015-09-03 15:44:10 +02:00
done
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fi
fi
#
#################################################################################
2016-05-11 15:20:08 +02:00
#
# Test : FILE-xyzz
# Description : Bind mount the /var/tmp directory to /tmp
#
#################################################################################
#
Register --test-no FILE-xyzz --os Linux --weight L --network NO --description "Checking /var/tmp is bind to /tmp"
if [ ${SKIPTEST} -eq 0 ]; then
if [ -f /etc/fstab ]; then
FIND=`cat /etc/fstab | awk '{ if ($2=="/var/tmp") { print $4 } }'`
BIND=`echo ${FIND} | awk '{ if ($1 ~ "bind") { print "YES" } else { print "NO" } }'`
if [ ! "${FIND}" = "" ]; then
LogText "Result: mount system /var/tmp is configured with options: ${FIND}"
if [ "${BIND}" = "YES" ]; then
Display --indent 2 --text "- /var/tmp is bind to /tmp" --result OK --color GREEN
LogText "Result : /var/tmp is bind to /tmp"
else
Display --indent 2 --text "- /var/tmp is not bind to /tmp" --result "NON DEFAULT" --color RED
LogText "Result: /var/tmp is not bind to /tmp"
fi
else
LogText "Result: no mount point /var/tmp or expected options found"
Display --indent 2 --text "- /var/tmp is not bind to /tmp" --result "NON DEFAULT" --color RED
fi
fi
fi
#
#################################################################################
2014-08-26 17:33:55 +02:00
#
# Test : FILE-6378
# Description : Check for nodirtime option
#
#################################################################################
#
# Test : FILE-6380
# Description : Check for relatime
#
#################################################################################
#
# Test : FILE-6390
# Description : Check writeback/journalling mode (ext3)
# More info : data=writeback | data=ordered | data=journal
#
#################################################################################
#
# Test : FILE-6394
# Description : Check vm.swappiness (Linux)
#
#################################################################################
#
# Test : FILE-6398
# Description : Check if JBD (Journal Block Device) driver is loaded
#
#################################################################################
#
# Test : FILE-6410
# Description : Checking locate database (file index)
# Notes : Linux /var/lib/mlocate/mlocate.db or /var/lib/slocate/slocate.db
# or /var/cache/locate/locatedb
# FreeBSD /var/db/locate.database
if [ ! "${LOCATEBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
2015-04-27 09:31:43 +02:00
Register --test-no FILE-6410 --preqs-met ${PREQS_MET} --os Linux --weight L --network NO --description "Checking Locate database"
2014-08-26 17:33:55 +02:00
if [ ${SKIPTEST} -eq 0 ]; then
2015-12-21 21:17:15 +01:00
LogText "Test: Checking locate database"
2014-08-26 17:33:55 +02:00
FOUND=0
2015-09-01 20:50:07 +02:00
LOCATE_DBS="/var/lib/mlocate/mlocate.db /var/lib/locate/locatedb /var/lib/locatedb /var/lib/slocate/slocate.db /var/cache/locate/locatedb /var/db/locate.database"
2014-08-26 17:33:55 +02:00
for I in ${LOCATE_DBS}; do
if [ -f ${I} ]; then
2015-12-21 21:17:15 +01:00
LogText "Result: locate database found (${I})"
2014-08-26 17:33:55 +02:00
FOUND=1
LOCATE_DB="${I}"
else
2015-12-21 21:17:15 +01:00
LogText "Result: file ${I} not found"
2014-08-26 17:33:55 +02:00
fi
done
if [ ${FOUND} -eq 1 ]; then
2014-09-15 12:01:09 +02:00
Display --indent 2 --text "- Checking Locate database" --result FOUND --color GREEN
2015-12-21 21:17:15 +01:00
Report "locate_db=${LOCATE_DB}"
2014-08-26 17:33:55 +02:00
else
2015-12-21 21:17:15 +01:00
LogText "Result: database not found"
2014-09-15 12:01:09 +02:00
Display --indent 2 --text "- Checking Locate database" --result "NOT FOUND" --color YELLOW
2014-08-26 17:33:55 +02:00
ReportSuggestion ${TEST_NO} "The database required for 'locate' could not be found. Run 'updatedb' or 'locate.updatedb' to create this file."
fi
fi
#
#################################################################################
#
# Test : FILE-6412
# Description : Checking age of locate database
#
#################################################################################
#
# Test : FILE-6420
# Description : Check automount process
#
#################################################################################
#
# Test : FILE-6422
# Description : Check automount maps (files or for example LDAP based)
# Notes : Warn when automounter is running
#
#################################################################################
#
# Test : FILE-6424
# Description : Check automount map files
#
#################################################################################
#
# Test : FILE-6425
# Description : Check mounted files systems via automounter
# Notes : Warn when no systems are mounted?
#
#################################################################################
#
2016-04-28 12:31:57 +02:00
WaitForKeyPress
2014-08-26 17:33:55 +02:00
#
#================================================================================
2016-03-13 16:03:46 +01:00
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com
