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#/bin/sh
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#/bin/sh
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# $Id: alcasar-bl.sh 503 2011-03-11 22:12:32Z richard $
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# $Id: alcasar-bl.sh 518 2011-03-25 16:04:12Z stephane $
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# Script de gestion de la BL pour le filtrage de domaine (via dnsmasq) et d'URL (via dansguardian)
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# Script de gestion de la BL pour le filtrage de domaine (via dnsmasq) et d'URL (via dansguardian)
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# By 3abtux & rexy
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# By 3abtux & rexy
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DIR_tmp="/tmp/blacklists"
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DIR_tmp="/tmp/blacklists"
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FILE_tmp="/tmp/fileFilter.txt"
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FILE_tmp="/tmp/fileFilter.txt"
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DIR_DG="/etc/dansguardian/lists"
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DIR_DG="/etc/dansguardian/lists"
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DIR_DG_BL="$DIR_DG/blacklists"
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DIR_DG_BL="$DIR_DG/blacklists"
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BL_CATEGORIES="/usr/local/etc/alcasar-bl-categories"
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BL_CATEGORIES="/usr/local/etc/alcasar-bl-categories"
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BL_CATEGORIES_ENABLED="/usr/local/etc/alcasar-bl-categories-enabled"
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BL_CATEGORIES_ENABLED="/usr/local/etc/alcasar-bl-categories-enabled"
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DIR_DNS_FILTER_AVAILABLE="/usr/local/etc/alcasar-dnsfilter-available"
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DIR_DNS_FILTER_AVAILABLE="/usr/local/etc/alcasar-dnsfilter-available"
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DIR_DNS_FILTER_ENABLED="/usr/local/etc/alcasar-dnsfilter-enabled"
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DIR_DNS_FILTER_ENABLED="/usr/local/etc/alcasar-dnsfilter-enabled"
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IP_RETOUR="192.168.182.1"
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IP_RETOUR="192.168.182.1"
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BL_SERVER="cri.univ-tlse1.fr"
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BL_SERVER="cri.univ-tlse1.fr"
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SED="/bin/sed -i"
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SED="/bin/sed -i"
-
 
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# Récupération de l'archive de la BL Toulouse
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# Récupération de l'archive de la BL Toulouse
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function transfert () {
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function transfert () {
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	mkdir -p $DIR_tmp
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	mkdir -p $DIR_tmp
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	cd $DIR_tmp
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	cd $DIR_tmp
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	wget http://$BL_SERVER/blacklists/download/blacklists.tar.gz
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	wget http://$BL_SERVER/blacklists/download/blacklists.tar.gz
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}
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}
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# Décompression de la BL (en conservant la WL)
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# Décompression de la BL (en conservant la WL)
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function install () {
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function install () {
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	[ -d $DIR_DG ] || mkdir -p $DIR_DG
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	[ -d $DIR_DG ] || mkdir -p $DIR_DG
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	[ -d $DIR_DG_BL/ossi ] && mv -f $DIR_DG_BL/ossi $DIR_tmp
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	[ -d $DIR_DG_BL/ossi ] && mv -f $DIR_DG_BL/ossi $DIR_tmp
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	tar zxf $DIR_tmp/blacklists.tar.gz --directory=$DIR_DG/
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	tar zxf $DIR_tmp/blacklists.tar.gz --directory=$DIR_DG/
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	[ -d $DIR_tmp/ossi ] && mv -f $DIR_tmp/ossi $DIR_DG_BL/
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	[ -d $DIR_tmp/ossi ] && mv -f $DIR_tmp/ossi $DIR_DG_BL/
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	cd /root
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	cd /root
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	rm -rf $DIR_tmp
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	rm -rf $DIR_tmp
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}
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}
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# Adaptation de la BL Toulouse à la structure Dnsmasq
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# Adaptation de la BL Toulouse à la structure Dnsmasq
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function adapt () {
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function adapt () {
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	# On récupère le nom des répertoire (catégories)
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	# On récupère le nom des répertoire (catégories)
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	find $DIR_DG_BL/ -type f -name domains > $BL_CATEGORIES
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	find $DIR_DG_BL/ -type f -name domains > $BL_CATEGORIES
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	# On supprime le suffice "/domains"
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	# On supprime le suffice "/domains"
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	$SED "s?\/domains??g" $BL_CATEGORIES
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	$SED "s?\/domains??g" $BL_CATEGORIES
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	rm -f $DIR_DNS_FILTER_AVAILABLE/*
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	rm -f $DIR_DNS_FILTER_AVAILABLE/*
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	echo -n "Adaptation de la BL Toulouse. Veuillez patienter : "
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	echo -n "Adaptation de la BL Toulouse. Veuillez patienter : "
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	# On copie les fichiers de domaine pour chaque catégorie
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	# On copie les fichiers de domaine pour chaque catégorie
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	for PATH_FILE in `cat $BL_CATEGORIES`
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	for PATH_FILE in `cat $BL_CATEGORIES`
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	do
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	do
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        	DOMAINE=`basename $PATH_FILE`
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        	DOMAINE=`basename $PATH_FILE`
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		echo -n "."
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		echo -n "."
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		# suppression des @IP, des lignes commentées et des caractères bizarres comme les ô et û ö ü
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		# suppression des @IP, des lignes commentées et des caractères bizarres comme les ô et û ö ü
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		egrep  -v "([0-9]{1,3}\.){3}[0-9]{1,3}" $PATH_FILE/domains > /tmp/dnsmasq-bl.tmp
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		egrep  -v "([0-9]{1,3}\.){3}[0-9]{1,3}" $PATH_FILE/domains > /tmp/dnsmasq-bl.tmp
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		$SED "/[äâëêïîöôüû]/d" /tmp/dnsmasq-bl.tmp
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		$SED "/[äâëêïîöôüû]/d" /tmp/dnsmasq-bl.tmp
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		$SED "/^#.*/d" /tmp/dnsmasq-bl.tmp
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		$SED "/^#.*/d" /tmp/dnsmasq-bl.tmp
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		# Mise en forme dnsmasq
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		# Mise en forme dnsmasq
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		$SED "s?.*?address=/&/$IP_RETOUR?g" /tmp/dnsmasq-bl.tmp
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		$SED "s?.*?address=/&/$IP_RETOUR?g" /tmp/dnsmasq-bl.tmp
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		mv /tmp/dnsmasq-bl.tmp $DIR_DNS_FILTER_AVAILABLE/$DOMAINE.conf
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		mv /tmp/dnsmasq-bl.tmp $DIR_DNS_FILTER_AVAILABLE/$DOMAINE.conf
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	done
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	done
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}
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}
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# Permet d'activer/désactiver les catégories de la BL
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# Permet d'activer/désactiver les catégories de la BL
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function cat_choice (){
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function cat_choice (){
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	# un peu de ménage
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	# un peu de ménage
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	rm -rf $DIR_DNS_FILTER_ENABLED/*
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	rm -rf $DIR_DNS_FILTER_ENABLED/*
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	$SED "/\.Include/d" $DIR_DG/bannedsitelist $DIR_DG/bannedurllist
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	$SED "/\.Include/d" $DIR_DG/bannedsitelist $DIR_DG/bannedurllist
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	# on adapte le fichier $BL_CATEGORIES au choix de catégorie 
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	# on adapte le fichier $BL_CATEGORIES au choix de catégorie 
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	$SED "s?^[^#]?#&?g" $BL_CATEGORIES # on commente ce qui ne l'est pas
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	$SED "s?^[^#]?#&?g" $BL_CATEGORIES # on commente ce qui ne l'est pas
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	for ENABLE_CATEGORIE in `cat $BL_CATEGORIES_ENABLED`
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	for ENABLE_CATEGORIE in `cat $BL_CATEGORIES_ENABLED`
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	do
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	do
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		$SED "/\/$ENABLE_CATEGORIE$/d" $BL_CATEGORIES
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		$SED "/\/$ENABLE_CATEGORIE$/d" $BL_CATEGORIES
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		$SED "1i\/etc\/dansguardian\/lists\/blacklists\/$ENABLE_CATEGORIE" $BL_CATEGORIES
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		$SED "1i\/etc\/dansguardian\/lists\/blacklists\/$ENABLE_CATEGORIE" $BL_CATEGORIES
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	done
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	done
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	sort -k2n $BL_CATEGORIES > $FILE_tmp
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	sort -k2n $BL_CATEGORIES > $FILE_tmp
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	mv $FILE_tmp $BL_CATEGORIES
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	mv $FILE_tmp $BL_CATEGORIES
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	# on affecte les catégories à dansguardian et dnsmasq
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	# on affecte les catégories à dansguardian et dnsmasq
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	for i in `cat $BL_CATEGORIES_ENABLED`
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	for i in `cat $BL_CATEGORIES_ENABLED`
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		do
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		do
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		ln -s $DIR_DNS_FILTER_AVAILABLE/$i.conf $DIR_DNS_FILTER_ENABLED/$i
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		ln -s $DIR_DNS_FILTER_AVAILABLE/$i.conf $DIR_DNS_FILTER_ENABLED/$i
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		# echo ".Include<$DIR_DANSGUARDIAN/blacklists/$i/domains>" >> $DIR_DANSGUARDIAN/bannedsitelist
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		# echo ".Include<$DIR_DANSGUARDIAN/blacklists/$i/domains>" >> $DIR_DANSGUARDIAN/bannedsitelist
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		echo ".Include<$DIR_DG_BL/$i/urls>" >> $DIR_DG/bannedurllist
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		echo ".Include<$DIR_DG_BL/$i/urls>" >> $DIR_DG/bannedurllist
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		done
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		done
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}
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}
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usage="Usage: alcasar-bl.sh {-on or --on} | { -off or --off } | { -download or --download } | { -reload - --reload }"
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usage="Usage: alcasar-bl.sh {-on or --on} | { -off or --off } | { -download or --download } | { -reload - --reload }"
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nb_args=$#
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nb_args=$#
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args=$1
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args=$1
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if [ $nb_args -eq 0 ]
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if [ $nb_args -eq 0 ]
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then
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then
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	nb_args=1
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	nb_args=1
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	args="-h"
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	args="-h"
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fi
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fi
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case $args in
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case $args in
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	-\? | -h* | --h*)
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	-\? | -h* | --h*)
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		echo "$usage"
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		echo "$usage"
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		exit 0
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		exit 0
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		;;
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		;;
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	# activation du filtrage
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	# activation du filtrage
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	-on | --on)	
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	-on | --on)	
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		cat_choice
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		cat_choice
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		$SED "s/^reportinglevel =.*/reportinglevel = 3/g" /etc/dansguardian/dansguardian.conf
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		$SED "s/^reportinglevel =.*/reportinglevel = 3/g" /etc/dansguardian/dansguardian.conf
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		$SED "s?^#\"?\"?g" $DIR_DG/urlregexplist # Enable 'safesearch'
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		$SED "s?^#\"?\"?g" $DIR_DG/urlregexplist # Enable 'safesearch'
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		if [ "$PARENT_SCRIPT" != "/usr/local/bin/alcasar-conf.sh" ] # on ne relance pas les processus lors d'une install
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		if [ "$PARENT_SCRIPT" != "/usr/local/bin/alcasar-conf.sh" ] # on ne relance pas les processus lors d'une install
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		then
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		then
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		service dansguardian restart
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		service dansguardian restart
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		service dnsmasq stop
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		service dnsmasq stop
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		sleep 1
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		sleep 1
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		service dnsmasq start
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		service dnsmasq start
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		fi
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		fi
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		;;
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		;;
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	# désactivation du filtrage
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	# désactivation du filtrage
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	-off | --off)
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	-off | --off)
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		rm -rf $DIR_DNS_FILTER_ENABLED/*
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		rm -rf $DIR_DNS_FILTER_ENABLED/*
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		$SED "s/^reportinglevel =.*/reportinglevel = -1/g" /etc/dansguardian/dansguardian.conf
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		$SED "s/^reportinglevel =.*/reportinglevel = -1/g" /etc/dansguardian/dansguardian.conf
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		$SED "s?^[^#]?#&?g" $DIR_DG/urlregexplist # Disable 'safesearch'
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		$SED "s?^[^#]?#&?g" $DIR_DG/urlregexplist # Disable 'safesearch'
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		if [ "$PARENT_SCRIPT" != "/usr/local/bin/alcasar-conf.sh" ] # on ne relance pas les processus lors d'une install
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		if [ "$PARENT_SCRIPT" != "/usr/local/bin/alcasar-conf.sh" ] # on ne relance pas les processus lors d'une install
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		then
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		then
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		service dansguardian restart
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		service dansguardian restart
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		service dnsmasq stop
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		service dnsmasq stop
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		sleep 1
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		sleep 1
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		service dnsmasq start
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		service dnsmasq start
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		fi
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		fi
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		;;
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		;;
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	# Mise a jour de la blacklist 'Toulouse' et adaptation à dansguardian et dnsmasq
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	# Mise a jour de la blacklist 'Toulouse' et adaptation à dansguardian et dnsmasq
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	-download | --download)
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	-download | --download)
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		rm -rf /tmp/con_ok.html
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		rm -rf /tmp/con_ok.html
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		`/usr/bin/curl $BL_SERVER -# -o /tmp/con_ok.html`
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		`/usr/bin/curl $BL_SERVER -# -o /tmp/con_ok.html`
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		if [ ! -e /tmp/con_ok.html ]
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		if [ ! -e /tmp/con_ok.html ]
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		then
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		then
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			echo "Erreur : le serveur de blacklist ($BL_SERVER) n'est pas joignable"
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			echo "Erreur : le serveur de blacklist ($BL_SERVER) n'est pas joignable"
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		else 
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		else 
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			transfert
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			transfert
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			install
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			install
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			chown -R dansguardian:apache $DIR_DG
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			chown -R dansguardian:apache $DIR_DG
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			chmod -R g+w $DIR_DG
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			chmod -R g+w $DIR_DG
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			DATE=`date '+%d %B %Y - %Hh%M'`
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			DATE=`date '+%d %B %Y - %Hh%M'`
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			echo "Univ-tlse du $DATE " > /var/www/html/VERSION-BL
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			echo "Univ-tlse du $DATE " > /var/www/html/VERSION-BL
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			rm -rf /tmp/con_ok.html
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			rm -rf /tmp/con_ok.html
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		fi
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		fi
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		adapt
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		adapt
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		;;		
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		;;		
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	# regénération suite à modification (choix catégories ou BL secondaire)
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	# regénération suite à modification (choix catégories ou BL secondaire)
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	-reload | --reload)
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	-reload | --reload)
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		adapt
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		adapt
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		# pour Dansguardian
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		# pour Dansguardian
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		chown -R dansguardian:apache $DIR_DG_BL/ossi
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		chown -R dansguardian:apache $DIR_DG_BL/ossi
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		chmod -R g+w $DIR_DG_BL/ossi
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		chmod -R g+w $DIR_DG_BL/ossi
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		cat_choice
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		cat_choice
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		service dansguardian restart
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		service dansguardian restart
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		# pour dnsmasq (noms de domaine réhabilités)
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		# pour dnsmasq (noms de domaine réhabilités)
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		if [ `wc -w $DIR_DG/exceptionsitelist|cut -d " " -f1` != "0" ]
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		if [ `wc -w $DIR_DG/exceptionsitelist|cut -d " " -f1` != "0" ]
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		then
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		then
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			for i in `cat $DIR_DG/exceptionsitelist`
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			for i in `cat $DIR_DG/exceptionsitelist`
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			do
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			do
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				$SED "/$i/d" $DIR_DNS_FILTER_AVAILABLE/*
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				$SED "/$i/d" $DIR_DNS_FILTER_AVAILABLE/*
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			done
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			done
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		fi
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		fi
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		cp -f $DIR_DG_BL/ossi/domains $DIR_DNS_FILTER_AVAILABLE/ossi.conf
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		cp -f $DIR_DG_BL/ossi/domains $DIR_DNS_FILTER_AVAILABLE/ossi.conf
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		$SED "s?.*?address=/&/$IP_RETOUR?g" $DIR_DNS_FILTER_AVAILABLE/ossi.conf
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		$SED "s?.*?address=/&/$IP_RETOUR?g" $DIR_DNS_FILTER_AVAILABLE/ossi.conf
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		service dnsmasq stop
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		service dnsmasq stop
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		sleep 1
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		sleep 1
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		service dnsmasq start
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		service dnsmasq start
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		;;
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		;;
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	*)
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	*)
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		echo "Argument inconnu :$1";
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		echo "Argument inconnu :$1";
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		echo "$usage"
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		echo "$usage"
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		exit 1
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		exit 1
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		;;
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		;;
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esac
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esac
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