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#/bin/sh
1
#/bin/sh
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# $Id: alcasar-bl.sh 637 2011-06-16 21:56:59Z richard $
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# $Id: alcasar-bl.sh 648 2011-06-25 21:31:06Z richard $
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4
# 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
5
# By 3abtux & rexy
6
 
6
 
7
CONF_FILE="/usr/local/etc/alcasar.conf"
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CONF_FILE="/usr/local/etc/alcasar.conf"
8
DIR_tmp="/tmp/blacklists"
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DIR_tmp="/tmp/blacklists"
9
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="20.0.0.1"
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IP_RETOUR="20.0.0.1"
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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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19
 
20
# 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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-
 
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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
-
 
30
	[ -d $DIR_DG_BL/ip ] && mv -f $DIR_DG_BL/ip $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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	[ -d $DIR_tmp/ip ] && mv -f $DIR_tmp/ip $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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-
 
37
# 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 "Toulouse BlackList migration process. Please wait : "
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	echo -n "Toulouse BlackList migration process. Please wait : "
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	# pour chaque catégorie
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	# 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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		echo -n "."
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		echo -n "."
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		# on crée le le fichier 'urls' s'il n'existe pas
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		# on crée le fichier 'urls' s'il n'existe pas
50
		if [ ! -f $PATH_FILE/urls ]
50
		if [ ! -f $PATH_FILE/urls ]
51
		then
51
		then
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			touch $PATH_FILE/urls
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			touch $PATH_FILE/urls
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			chown dansguardian:apache $PATH_FILE/urls
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			chown dansguardian:apache $PATH_FILE/urls
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		fi
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		fi
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		# on 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
59
		# 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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        	DOMAINE=`basename $PATH_FILE`
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        	DOMAINE=`basename $PATH_FILE`
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		mv /tmp/dnsmasq-bl.tmp $DIR_DNS_FILTER_AVAILABLE/$DOMAINE.conf
62
		mv /tmp/dnsmasq-bl.tmp $DIR_DNS_FILTER_AVAILABLE/$DOMAINE.conf
63
	done
63
	done
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	echo
64
	echo
65
}
65
}
66
 
-
 
67
# 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` # on affecte les catégories à dansguardian et dnsmasq
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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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		ln -s $DIR_DNS_FILTER_AVAILABLE/$ENABLE_CATEGORIE.conf $DIR_DNS_FILTER_ENABLED/$ENABLE_CATEGORIE
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		# echo ".Include<$DIR_DANSGUARDIAN/blacklists/$ENABLE_CATEGORIES/domains>" >> $DIR_DANSGUARDIAN/bannedsitelist  # dansguardian ne s'occupe plus des noms de domaine
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		echo ".Include<$DIR_DG_BL/$ENABLE_CATEGORIE/urls>" >> $DIR_DG/bannedurllist
78
	done
80
	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
-
 
82
	for i in `cat $BL_CATEGORIES_ENABLED`
-
 
83
		do
-
 
84
		ln -s $DIR_DNS_FILTER_AVAILABLE/$i.conf $DIR_DNS_FILTER_ENABLED/$i
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85
		# echo ".Include<$DIR_DANSGUARDIAN/blacklists/$i/domains>" >> $DIR_DANSGUARDIAN/bannedsitelist
-
 
86
		echo ".Include<$DIR_DG_BL/$i/urls>" >> $DIR_DG/bannedurllist
-
 
87
		done
-
 
88
}
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}
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function bl_enable (){
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function bl_enable (){
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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" ] # don't launch on install stage
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	if [ "$PARENT_SCRIPT" != "/usr/local/bin/alcasar-conf.sh" ] # don't launch on install stage
93
	then
88
	then
94
		service dansguardian restart
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		service dansguardian restart
95
		service dnsmasq restart
90
		service dnsmasq restart
96
		/usr/local/bin/alcasar-iptables.sh
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		/usr/local/bin/alcasar-iptables.sh
97
	fi
92
	fi
98
}
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}
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function bl_disable (){
94
function bl_disable (){
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	rm -rf $DIR_DNS_FILTER_ENABLED/*
95
	rm -rf $DIR_DNS_FILTER_ENABLED/*
101
	$SED "s/^reportinglevel =.*/reportinglevel = -1/g" /etc/dansguardian/dansguardian.conf
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	$SED "s/^reportinglevel =.*/reportinglevel = -1/g" /etc/dansguardian/dansguardian.conf
102
	$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" ] # don't launch on install stage
98
	if [ "$PARENT_SCRIPT" != "/usr/local/bin/alcasar-conf.sh" ] # don't launch on install stage
104
	then
99
	then
105
		service dansguardian restart
100
		service dansguardian restart
106
		service dnsmasq restart
101
		service dnsmasq restart
107
		/usr/local/bin/alcasar-iptables.sh
102
		/usr/local/bin/alcasar-iptables.sh
108
	fi
103
	fi
109
}
104
}
110
usage="Usage: alcasar-bl.sh {-on or --on} | { -off or --off } | { -download or --download } | { -reload or --reload }"
105
usage="Usage: alcasar-bl.sh {-on or --on} | { -off or --off } | { -download or --download } | { -reload or --reload }"
111
nb_args=$#
106
nb_args=$#
112
args=$1
107
args=$1
113
if [ $nb_args -eq 0 ]
108
if [ $nb_args -eq 0 ]
114
then
109
then
115
	DNS_FILTERING=`grep DNS_FILTERING $CONF_FILE|cut -d"=" -f2`		# DNS and URLs filter (on/off)
110
	DNS_FILTERING=`grep DNS_FILTERING $CONF_FILE|cut -d"=" -f2`		# DNS and URLs filter (on/off)
116
	DNS_FILTERING=${DNS_FILTERING:=off}
111
	DNS_FILTERING=${DNS_FILTERING:=off}
117
	echo "Set BlackList Filtering to $DNS_FILTERING"
112
	echo "Set BlackList Filtering to $DNS_FILTERING"
118
	if [ $DNS_FILTERING = on ]; then
113
	if [ $DNS_FILTERING = on ]; then
119
		cat_choice
114
		cat_choice
120
		bl_enable
115
		bl_enable
121
	else
116
	else
122
		bl_disable
117
		bl_disable
123
	fi
118
	fi
124
	exit 0
119
	exit 0
125
fi
120
fi
126
case $args in
121
case $args in
127
	-\? | -h* | --h*)
122
	-\? | -h* | --h*)
128
		echo "$usage"
123
		echo "$usage"
129
		exit 0
124
		exit 0
130
		;;
125
		;;
131
	# activation du filtrage
126
	# activation du filtrage
132
	-on | --on)	
127
	-on | --on)	
133
		cat_choice
128
		cat_choice
134
		$SED "s?^DNS_FILTERING.*?DNS_FILTERING=on?g" $CONF_FILE
129
		$SED "s?^DNS_FILTERING.*?DNS_FILTERING=on?g" $CONF_FILE
135
		bl_enable
130
		bl_enable
136
		;;
131
		;;
137
	# désactivation du filtrage
132
	# désactivation du filtrage
138
	-off | --off)
133
	-off | --off)
139
		$SED "s?^DNS_FILTERING.*?DNS_FILTERING=off?g" $CONF_FILE
134
		$SED "s?^DNS_FILTERING.*?DNS_FILTERING=off?g" $CONF_FILE
140
		bl_disable
135
		bl_disable
141
		;;
136
		;;
142
	# Mise a jour de la blacklist 'Toulouse' et adaptation à dansguardian et dnsmasq
137
	# Mise a jour de la blacklist 'Toulouse' et adaptation à dansguardian et dnsmasq
143
	-download | --download)
138
	-download | --download)
144
		rm -rf /tmp/con_ok.html
139
		rm -rf /tmp/con_ok.html
145
		`/usr/bin/curl $BL_SERVER -# -o /tmp/con_ok.html`
140
		`/usr/bin/curl $BL_SERVER -# -o /tmp/con_ok.html`
146
		if [ ! -e /tmp/con_ok.html ]
141
		if [ ! -e /tmp/con_ok.html ]
147
		then
142
		then
148
			echo "Erreur : le serveur de blacklist ($BL_SERVER) n'est pas joignable"
143
			echo "Erreur : le serveur de blacklist ($BL_SERVER) n'est pas joignable"
149
		else 
144
		else 
150
			transfert
145
			transfert
151
			install
146
			install
152
			chown -R dansguardian:apache $DIR_DG
147
			chown -R dansguardian:apache $DIR_DG
153
			chmod -R g+w $DIR_DG
148
			chmod -R g+w $DIR_DG
154
			DATE=`date '+%d %B %Y - %Hh%M'`
149
			DATE=`date '+%d %B %Y - %Hh%M'`
155
			echo "Univ-tlse du $DATE " > /var/www/html/VERSION-BL
150
			echo "Univ-tlse du $DATE " > /var/www/html/VERSION-BL
156
			rm -rf /tmp/con_ok.html
151
			rm -rf /tmp/con_ok.html
157
		fi
152
		fi
158
		adapt
153
		adapt
159
		;;		
154
		;;		
160
	# regénération suite à modification (choix catégories ou BL secondaire)
155
	# regénération suite à modification (choix catégories ou BL secondaire)
161
	-reload | --reload)
156
	-reload | --reload)
162
		adapt
157
		adapt
163
		# pour Dansguardian
158
		# pour Dansguardian
164
		chown -R dansguardian:apache $DIR_DG_BL/ossi
159
		chown -R dansguardian:apache $DIR_DG_BL/ossi
165
		chmod -R g+w $DIR_DG_BL/ossi
160
		chmod -R g+w $DIR_DG_BL/ossi
166
		cat_choice
161
		cat_choice
167
		# pour dnsmasq (noms de domaine réhabilités)
162
		# pour dnsmasq (noms de domaine réhabilités)
168
		if [ `wc -w $DIR_DG/exceptionsitelist|cut -d " " -f1` != "0" ]
163
		if [ `wc -w $DIR_DG/exceptionsitelist|cut -d " " -f1` != "0" ]
169
		then
164
		then
170
			for i in `cat $DIR_DG/exceptionsitelist`
165
			for i in `cat $DIR_DG/exceptionsitelist`
171
			do
166
			do
172
				$SED "/$i/d" $DIR_DNS_FILTER_AVAILABLE/*
167
				$SED "/$i/d" $DIR_DNS_FILTER_AVAILABLE/*
173
			done
168
			done
174
		fi
169
		fi
175
		cp -f $DIR_DG_BL/ossi/domains $DIR_DNS_FILTER_AVAILABLE/ossi.conf
170
		cp -f $DIR_DG_BL/ossi/domains $DIR_DNS_FILTER_AVAILABLE/ossi.conf
176
		$SED "s?.*?address=/&/$IP_RETOUR?g" $DIR_DNS_FILTER_AVAILABLE/ossi.conf
171
		$SED "s?.*?address=/&/$IP_RETOUR?g" $DIR_DNS_FILTER_AVAILABLE/ossi.conf
-
 
172
		IP_PURE=`grep '^ip' $BL_CATEGORIES_ENABLED|wc -l`
-
 
173
		if [ $IP_PURE -eq "1" ]; then	# filtrage des url sans nom de domaine
-
 
174
			$SED "s/^\#\*ip$/*ip/g" $DIR_DG/bannedsitelist
-
 
175
		else
-
 
176
			$SED "s/^\*ip$/#*ip/g" $DIR_DG/bannedsitelist
-
 
177
		fi
177
		DNS_FILTERING=`grep DNS_FILTERING $CONF_FILE|cut -d"=" -f2`		# DNS and URLs filter (on/off)
178
		DNS_FILTERING=`grep DNS_FILTERING $CONF_FILE|cut -d"=" -f2`		# DNS and URLs filter (on/off)
178
		DNS_FILTERING=${DNS_FILTERING:=off}
179
		DNS_FILTERING=${DNS_FILTERING:=off}
179
		if [ $DNS_FILTERING = on ]; then
180
		if [ $DNS_FILTERING = on ]; then
180
			bl_enable
181
			bl_enable
181
		else
182
		else
182
			bl_disable
183
			bl_disable
183
		fi
184
		fi
184
		;;
185
		;;
185
	*)
186
	*)
186
		echo "Argument inconnu :$1";
187
		echo "Argument inconnu :$1";
187
		echo "$usage"
188
		echo "$usage"
188
		exit 1
189
		exit 1
189
		;;
190
		;;
190
esac
191
esac
191
 
192
 
192
 
193