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lynis/include/tests_file_integrity

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#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2014, Michael Boelen (michael@rootkit.nl), The Netherlands
# Web site: http://www.rootkit.nl
#
# 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_INT_TOOL_FOUND=0 # Boolean, file integrity tool found
#
#################################################################################
#
InsertSection "Software: file integrity"
Display --indent 2 --text "- Checking file integrity tools"
# Test : FINT-4310
# Description : Check if AFICK is installed
Register --test-no FINT-4310 --weight L --network NO --description "AFICK availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking AFICK binary"
if [ ! "${AFICKBINARY}" = "" ]; then
logtext "Result: AFICK is installed (${AFICKBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- AFICK" --result FOUND --color GREEN
else
logtext "Result: AFICK is not installed"
Display --indent 4 --text "- AFICK" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4314
# Description : Check if AIDE is installed
Register --test-no FINT-4314 --weight L --network NO --description "AIDE availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking AIDE binary"
if [ ! "${AIDEBINARY}" = "" ]; then
logtext "Result: AIDE is installed (${AIDEBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- AIDE" --result FOUND --color GREEN
else
logtext "Result: AIDE is not installed"
Display --indent 4 --text "- AIDE" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4315
# Description : Check AIDE configuration file
if [ ! "${AIDEBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FINT-4315 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check AIDE configuration file"
if [ ${SKIPTEST} -eq 0 ]; then
AIDE_CONFIG_LOCS="/etc /etc/aide /usr/local/etc"
logtext "Test: search for aide.conf in ${AIDE_CONFIG_LOCS}"
for I in ${AIDE_CONFIG_LOCS}; do
if [ -f ${I}/aide.conf ]; then
logtext "Result: found aide.conf in directory ${I}"
AIDECONFIG="${I}/aide.conf"
fi
done
if [ "${AIDECONFIG}" = "" ]; then
Display --indent 6 --text "- AIDE config file" --result "NOT FOUND" --color YELLOW
else
logtext "Checking configuration file ${AIDECONFIG} for errors"
FIND=`${AIDEBINARY} --config=${AIDECONFIG} -D; echo $?`
if [ "${FIND}" = "0" ]; then
Display --indent 6 --text "- AIDE config file" --result FOUND --color GREEN
else
Display --indent 6 --text "- AIDE config file" --result WARNING --color YELLOW
ReportSuggestion "${TEST_NO}" "Check the AIDE configuratio file as it may contain errors"
fi
fi
fi
#
#################################################################################
#
# Test : FINT-4316
# Description : Check if AIDE is configured to use SHA256 or SHA512 checksums
if [ ! "${AIDEBINARY}" = "" -a ! "${AIDECONFIG}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FINT-4316 --preqs-met ${PREQS_MET} --weight L --network NO --description "AIDE configuration: Checksums (SHA256 or SHA512)"
if [ ${SKIPTEST} -eq 0 ]; then
FIND=`${GREPBINARY} "^Checksums" ${AIDECONFIG}`
FIND2=`${GREPBINARY} "^Checksums" ${AIDECONFIG} | ${EGREPBINARY} "sha256|sha512"`
if [ "${FIND}" = "" ]; then
logtext "Result: Unclear how AIDE is dealing with checksums"
Display --indent 6 --text "- AIDE config (Checksums)" --result UNKNOWN --color YELLOW
else
if [ "${FIND2}" = "" ]; then
logtext "Result: No SHA256 or SHA512 found for creating checksums"
Display --indent 6 --text "- AIDE config (Checksum)" --result WARNING --color RED
ReportSuggestion ${TEST_NO} "Use SHA256 or SHA512 to create checksums in AIDE"
AddHP 1 3
else
logtext "Result: Found SHA256 or SHA512 found for creating checksums"
Display --indent 6 --text "- AIDE config (Checksum)" --result OK --color GREEN
AddHP 2 2
fi
fi
fi
#
#################################################################################
#
# Test : FINT-4318
# Description : Check if Osiris is installed
Register --test-no FINT-4318 --weight L --network NO --description "Osiris availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking Osiris binary"
if [ ! "${OSIRISBINARY}" = "" ]; then
logtext "Result: Osiris is installed (${OSIRISBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- Osiris" --result FOUND --color GREEN
else
logtext "Result: Osiris is not installed"
Display --indent 4 --text "- Osiris" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4322
# Description : Check if Samhain is installed
Register --test-no FINT-4322 --weight L --network NO --description "Samhain availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking Samhain binary"
if [ ! "${SAMHAINBINARY}" = "" ]; then
logtext "Result: Samhain is installed (${SAMHAINBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- Samhain" --result FOUND --color GREEN
else
logtext "Result: Samhain is not installed"
Display --indent 4 --text "- Samhain" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4326
# Description : Check if Tripwire is installed
Register --test-no FINT-4326 --weight L --network NO --description "Tripwire availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking Tripwire binary"
if [ ! "${TRIPWIREBINARY}" = "" ]; then
logtext "Result: Tripwire is installed (${TRIPWIREBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- Tripwire" --result FOUND --color GREEN
else
logtext "Result: Tripwire is not installed"
Display --indent 4 --text "- Tripwire" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4328
# Description : Check if OSSEC system integrity tool is running
Register --test-no FINT-4328 --weight L --network NO --description "OSSEC syscheck daemon running"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking if OSSEC syscheck daemon is running"
IsRunning ossec-syscheckd
if [ ${RUNNING} -eq 1 ]; then
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- OSSEC (syscheck)" --result FOUND --color GREEN
else
Display --indent 4 --text "- OSSEC (syscheck)" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4330
# Description : Check if mtree is installed
# Note : Usually on BSD and similar
Register --test-no FINT-4330 --weight L --network NO --description "mtree availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking mtree binary"
if [ ! "${MTREEBINARY}" = "" ]; then
logtext "Result: mtree is installed (${MTREEBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- mtree" --result FOUND --color GREEN
else
logtext "Result: mtree is not installed"
Display --indent 4 --text "- mtree" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4350
# Description : Check if at least one file integrity tool is installed
Register --test-no FINT-4350 --weight L --network NO --description "File integrity software installed"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Check if at least on file integrity tool is available/installed"
if [ ${FILE_INT_TOOL_FOUND} -eq 1 ]; then
logtext "Result: found at least one file integrity tool"
Display --indent 2 --text "- Checking presence integrity tool" --result FOUND --color GREEN
AddHP 5 5
else
logtext "Result: No file integrity tools found"
Display --indent 2 --text "- Checking presence integrity tool" --result "NOT FOUND" --color YELLOW
ReportSuggestion ${TEST_NO} "Install a file integrity tool"
AddHP 0 5
fi
fi
#
#################################################################################
#
report "file_integrity_installed=${FILE_INT_TOOL_FOUND}"
wait_for_keypress
#
#================================================================================
# Lynis - Copyright 2007-2014, Michael Boelen - www.rootkit.nl - The Netherlands
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