#!/bin/sh
# Post.Office Anti-Virus Solution - Daemon Script
# Copyright by Joe Savelberg -- jmsc@euregio.net
# version 0.9 -- 2004-03-15 @ 17:30 GMT
# http://www.euregio.net/joe/postoffice/
# Use at own risk. Virex does delete viruses
# 
# Install this script in your root home directory
# chmod 755 to make it executable


# Decide where you want to put the preference file. You can edit the preference
# file while the daemon is running, e.g. if you want to change the wait period
# between iterations or if you want to stop the daemon.
preffile="/etc/virexdaemon.conf"

# Tell the script about the name of your anti-virus script. That script
# will be executed by this daemon. Make sure the path is correct.
virexscript="/var/root/virexscript.sh"


# If the preference file does not exist, the script will create it in the
# location you specified above. Default preferences will be written to that
# new preference file.

if [ ! -f $preffile ]
then
    echo "Creating preference file in $preffile"
echo "########################################################
# Post.Office Anti-Virus Solution - Daemon Preferences #
# Copyright 2004 by Joe Savelberg - jmsc@euregio.net   #
#                                                      #
# run=[true|false] enables or disables the daemon      #
# wait=[0-9] the number of seconds to wait between     #
#            iterations of the scanning script. It     #
#            depends on your server speed but 5 sec    #
#            should work quite good and 2 works as     #
#            well on a fast server.                    #
########################################################

run=true
wait=2
debug=false

"> $preffile
fi


# This is the actual daemon loop which will execute your Anti-Virus
# script and wait between iterations as specified by wait=[0-9]

scan=`grep "run=" $preffile | grep -v "#" | cut -d "=" -f 2`
debug=`grep "debug=" $preffile | grep -v "#" | cut -d "=" -f 2`

if [ -z $debug ] ; then
    debug=false
fi

if [ $debug ] ; then
    echo "`date` [$$] Starting Virex Daemon" >> /var/log/virexdebug.log
fi

while $scan
do
        scan=`grep "run=" $preffile | grep -v "#" | cut -d "=" -f 2`
        if [ $debug ] ; then
            echo "`date`" >> /var/log/virexdebug.log
            $virexscript >> /var/log/virexdebug.log 2>&1 
        else
            $virexscript
        fi
        mypause=`grep "wait=" $preffile | grep -v "#" | cut -d "=" -f 2`
        sleep $mypause
done
#end