lynis/include/tests_file_permissions

#!/bin/sh

#################################################################################
#
#   Lynis
# ------------------
#
# Copyright 2007-2013, Michael Boelen
# Copyright 2007-2021, CISOfy
#
# Website  : https://cisofy.com
# Blog     : http://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
#
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#
    InsertSection "${SECTION_FILE_PERMISSIONS}"
#
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#
    # 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 ${PROFILE} for baseline."
            FILES=$(${EGREPBINARY} '^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
#
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#

WaitForKeyPress

#
#================================================================================
# Lynis - Copyright 2007-2021, CISOfy - https://cisofy.com