lynis/include/helper_generate

90 lines
2.8 KiB
Bash

#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2013, Michael Boelen
# Copyright 2007-2019, 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.
#
######################################################################
#
# Helper program to generate specific details such as host IDs
#
######################################################################
#
# How to use:
# ------------
# Run: lynis generate <option>
#
######################################################################
SAVEFILE=0
GENERATE_ARGS="hostids"
if [ $# -gt 0 ]; then
case $1 in
"hostids")
if [ $# -gt 1 ]; then
shift
if [ $1 = "--save" ]; then
SAVEFILE=1
fi
fi
# Generate random host IDs
HOSTID=$(head -c20 < /dev/urandom | xxd -c 20 -p)
HOSTID2=$(head -c32 < /dev/urandom | xxd -c 32 -p)
${ECHOCMD} "Generated host identifiers"
${ECHOCMD} "- hostid: ${HOSTID}"
${ECHOCMD} "- hostid2: ${HOSTID2}"
if [ ${SAVEFILE} -eq 1 ]; then
FILE="${ROOTDIR}etc/lynis/hostids"
if [ -f ${FILE} ]; then
${ECHOCMD} "Error: hostids file already exists (${FILE})"
${ECHOCMD} "Remove the file first and rerun command"
ExitFatal
else
OUTPUT=$(touch ${FILE} 2> /dev/null)
if [ $? -eq 0 ]; then
${ECHOCMD} "Created hostids file (${FILE})"
echo "# generated using 'lynis generate hostids --save'" > ${FILE}
echo "hostid=${HOSTID}" >> ${FILE}
echo "hostid2=${HOSTID2}" >> ${FILE}
else
ExitFatal "Error: could not created hostids file (${FILE}). Issue with permissions?"
fi
fi
fi
ExitClean
;;
*) ${ECHOCMD} "Unknown argument '${RED}$1${NORMAL}' for lynis generate" ;;
esac
else
${ECHOCMD} "\n ${WHITE}Provide an additional argument${NORMAL}\n\n"
for ITEM in ${GENERATE_ARGS}; do
${ECHOCMD} " lynis generate ${BROWN}${ITEM}${NORMAL}"
done
${ECHOCMD} "\n"
${ECHOCMD} ""
${ECHOCMD} "Extended help about the generate command can be provided with: $0 show commands generate"
fi
ExitClean
# The End