Edit: /usr/share/lynis/include/tests_file_permissions (3185B)
#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright (c) Michael Boelen, CISOfy, and many contributors.
#
# Website : https://cisofy.com
# Blog : https://linux-audit.com/
# GitHub : https://github.com/CISOfy/lynis
#
# 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 permissions
#
#################################################################################
#
InsertSection "${SECTION_FILE_PERMISSIONS}"
#
#################################################################################
#
# Test : FILE-7524
# Description : Perform file permissions check
Register --test-no FILE-7524 --weight L --network NO --category security --description "Perform file permissions check"
if [ ${SKIPTEST} -eq 0 ]; then
Display --indent 2 --text "- Starting file permissions check"
LogText "Test: Checking file permissions"
FOUND=0
for PROFILE in ${PROFILES}; do
LogText "Using profile ${PROFILE} for baseline."
FILES=$(${GREPBINARY} -E '^permfile=|^permdir=' ${PROFILE} | ${CUTBINARY} -d= -f2 | ${CUTBINARY} -d: -f1)
for F in ${FILES}; do
LogText "Test: checking file/directory ${F}"
if [ -f "${F}" ]; then
PERMS=$(${GREPBINARY} '^permfile=' ${PROFILE} | ${GREPBINARY} "=${F}:" | ${CUTBINARY} -d: -f2)
if HasCorrectFilePermissions "${F}" "${PERMS}"; then
Display --indent 4 --text "File: ${F}" --result "${STATUS_OK}" --color GREEN
else
Display --indent 4 --text "File: ${F}" --result "${STATUS_SUGGESTION}" --color YELLOW
FOUND=1
fi
elif [ -d "${F}" ]; then
PERMS=$(${GREPBINARY} '^permdir=' ${PROFILE} | ${GREPBINARY} "=${F}:" | ${CUTBINARY} -d: -f2)
if HasCorrectFilePermissions "${F}" "${PERMS}"; then
Display --indent 4 --text "Directory: ${F}" --result "${STATUS_OK}" --color GREEN
else
Display --indent 4 --text "Directory: ${F}" --result "${STATUS_SUGGESTION}" --color YELLOW
FOUND=1
fi
else
if IsVerbose; then Display --indent 4 --text "${F}" --result "${STATUS_NOT_FOUND}" --color WHITE; fi
LogText "Skipping file/directory ${F} as it does not exist on this system"
fi
done
done
if [ ${FOUND} -eq 1 ]; then
ReportSuggestion "${TEST_NO}" "Consider restricting file permissions" "See screen output or log file" "text:Use chmod to change file permissions"
fi
fi
#
#################################################################################
#
WaitForKeyPress
# EOF