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#/bin/bash
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# $Id: alcasar-havp.sh 1056 2013-03-26 21:46:36Z stephane $
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# alcasar-havp.sh
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# by Rexy
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# This script is distributed under the Gnu General Public License (GPL)
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# Activation / désactivation antivirus de flux WEB (Havp + LibClamav)
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# Enable / disable of WEB flow antivirus (HAVP + LibClamav)
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CONF_FILE="/usr/local/etc/alcasar.conf"
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SED="/bin/sed -i"
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function av_disable (){
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	$SED "s/^cache_peer.*/#cache_peer 127\.0\.0\.1 parent 8090 0 no-query default/g" /etc/squid/squid.conf
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	$SED "s/^never_direct.*/#never_direct allow all/g" /etc/squid/squid.conf
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	$SED "s/^WEB_ANTIVIRUS=.*/WEB_ANTIVIRUS=off/g" /usr/local/etc/alcasar.conf
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	service squid reload
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	service havp stop
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}
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function av_enable (){
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	$SED "s/^#cache_peer.*/cache_peer 127\.0\.0\.1 parent 8090 0 no-query default/g" /etc/squid/squid.conf
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	$SED "s/^#never_direct.*/never_direct allow all/g" /etc/squid/squid.conf
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	$SED "s/^WEB_ANTIVIRUS=.*/WEB_ANTIVIRUS=on/g" /usr/local/etc/alcasar.conf
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	service squid reload
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	service havp start
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}
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usage="Usage: alcasar-havp.sh {--on or -on} | {--off or -off} | {--update or -update}"
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nb_args=$#
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args=$1
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if [ $nb_args -eq 0 ]
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then
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	AV_FILTERING=`grep WEB_ANTIVIRUS $CONF_FILE|cut -d"=" -f2`		# WEB-antivir  (on/off)
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	AV_FILTERING=${AV_FILTERING:=on}
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	echo "Set antivirus Filtering to $AV_FILTERING"
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	if [ $AV_FILTERING = on ]; then
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		av_enable
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	else
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		av_disable
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	fi
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	exit 0
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fi
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case $args in
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	-\? | -h* | --h*)
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		echo "$usage"
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		exit 0
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		;;
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	--on|-on)
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		av_enable
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		;;
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	--off|-off)
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		av_disable
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		;;
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	--update|-update)
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		#mise à jour de la base de signature
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		freshclam
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		;;
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	*)
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		echo "Argument inconnu :$1";
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		echo "$usage"
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		exit 1
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		;;
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esac
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