#!/bin/sh
#
# $Id: get_virus_update,v 0.1  2002/10/04 Exp $
#
#       the software is GNU licensing dependent.
# Copyright (C) 2002, cudeso.be http://linux.cudeso.be
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTLY; without even the implied warranty of
# MERCHANTABILITY of FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General License for more details.
# First declare some variables

declare -i McDat

# File-locations
WGET=/usr/bin/wget
LOGGER=/usr/bin/logger
DRIFT_FILE=/home/AntiVirus/get_virus_update.drift
OUTPUT_LOCATION=/home/AntiVirus/
OUTPUT_CURRENT_LOCATION=/home/AntiVirusCurrent/

# Variables
WGET_OPTIONS="-q --tries=3"
McURL=http://download.mcafee.com/products/licensed/superdat/english/intel/
# or ftp://ftp.nai.com/pub/antivirus/superdat/intel/ 
# thanks to Gareth Evans
McDat=$(cat $DRIFT_FILE)
McDatExtra=.exe       # changed from McDatExtra=xdat.exe (Gareth Evans)
McDatLeadIn=sdat      # added 15-jul-04 by Gareth Evans
McUpdateFile=$McDatLeadIn$McDat$McDatExtra    # changed from McUpdateFile=$McDat$McDatExtra by Gareth Evans

http_proxy=proxy.mydomain.com:3128
export http_proxy

cd $OUTPUT_LOCATION


# Build the execute string and do it
res="$WGET $WGET_OPTIONS  $McURL$McUpdateFile"
($res)


# Did we get a file?
if (test -f $McUpdateFile)
then                                      # If so, remove the old one
   let FutureMcDat=(McDat + 1)            # and update the driftfile
   let OldMcDat=(McDat -1)
   echo $FutureMcDat > $DRIFT_FILE
   rm -f $OldMcDat$McDatExtra
   $LOGGER -p user.notice  -t VIRUS_UPDATE "====== New dat-file $McUpdateFile  ========="
   cp -f $McUpdateFile $OUTPUT_CURRENT_LOCATION/latestdat.exe
else                                      # We did not find anything
   echo "" > /dev/null                    # sit back
fi