update_client.sh

在网络安全中经常会遇到rootkit

#!/bin/sh

#######################################################################
#
# Auto-updater client 1.0.1
# Author: Michael Boelen (michael AT rootkit DOT nl)
#
#######################################################################
#
# Change URLPREFIX (in your virutal host, WITHOUT ending slash)
# Be sure you have put the latest stable file into the correct
# directory (at your server)
# Change the actions in this scripts (scroll down)
#
#######################################################################
#
# Changelog
#
#######################################################################
#
# 1.0.1
# - Extended texts
# 1.00
# - First release

WORKDIR="/usr/local/rkhunter"
UPDATESDIR="/usr/local/rkhunter/updates"

# Without ending slash
URLPREFIX="http://www.mydomain.com/rkhunter"

# The tool which will be used to create MD5 Digests
# Linux (md5sum)
# FreeBSD (md5 -q)
MD5="md5 -q"

if [ ${AUTOUPDATE} -eq 1 ]; then
	wget ${URLPREFIX}/rk_latest.dat -O ${WORKDIR}/rk_latest.dat
	if [ $? -eq 0 ]; then
		MYLATEST=`cat ${WORKDIR}/my_latest.dat`      

		if [ -f ${WORKDIR}/rk_latest.dat ]; then
			RKLATEST=`cat ${WORKDIR}/rk_latest.dat`
		else
			RKLATEST="0000"
		fi

		# If there is a new version, do some actions.
		# CHANGE THE FILES BELOW 
		if [ ! "${MYLATEST}" = "${RKLATEST}" ]; then
			# - Insert get option here
			# wget ${URLPREFIX}/latest.tar.gz
			# - Insert here install option
			# cp latest.tar.gz /usr/local/install/latest.tar.gz
			# cd /usr/local/install
			# tar xfvz latest.tar.gz
			# cd rkhunter
			# ./installer.sh
			# - Add some cleanup options here
			echo "Action here"
		fi
		cp ${WORKDIR}/rk_latest.dat ${WORKDIR}/my_latest.dat
	else
		echo "Warning: Couldn't fetch latest information."
	fi
fi