check_integrity.sh

#!/bin/bash

directory="/var/www/"
result="${directory}website-integrity/`date '+%Y-%m-%d'`.md5sum"
old_result="${directory}website-integrity/`date '+%Y-%m-%d' --date '1 days ago'`.md5sum"
website_directory="${directory}httpdocs/"

find ${website_directory} -type f -exec md5sum {} \; > ${result}

today=`md5sum ${result} | awk '{print $1}'`
yesterday=`md5sum ${old_result} | awk '{print $1}'`

if [ "${today}" != "${yesterday}" ]; then
    echo "Bad luck"
    echo "Il y a une difference entre le site d'hier et celui d'aujourd'hui : voir ${result} et ${old_result}" | mail -s "hack potentiel" admin@example.org
    exit 1
else
    echo "Yeah !"
    exit 0
fi