Subversion Repositories ALCASAR

Rev

Rev 1927 | Rev 1931 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log

Rev Author Line No. Line
672 richard 1
#/bin/bash
1015 richard 2
 
63 franck 3
# $Id: alcasar-bl.sh 1930 2016-06-08 22:00:48Z richard $
4
 
672 richard 5
# alcasar-bl.sh
6
# by Franck BOUIJOUX and Richard REY
7
# This script is distributed under the Gnu General Public License (GPL)
1 root 8
 
672 richard 9
# Gestion de la BL pour le filtrage de domaine (via dnsmasq) et d'URL (via Dansguardian)
10
# Manage the BL for DnsBlackHole (dnsmasq) and URL filtering (Dansguardian)
11
 
878 richard 12
DIR_CONF="/usr/local/etc"
13
CONF_FILE="$DIR_CONF/alcasar.conf"
854 richard 14
private_ip_mask=`grep PRIVATE_IP= $CONF_FILE|cut -d"=" -f2`
15
private_ip_mask=${private_ip_mask:=192.168.182.1/24}
16
PRIVATE_IP=`echo $private_ip_mask | cut -d"/" -f1`			# ALCASAR LAN IP address
308 richard 17
DIR_tmp="/tmp/blacklists"
1852 raphael.pi 18
DIR_WL_tmp="/tmp/whitelists"
1015 richard 19
FILE_tmp="/tmp/filesfilter.txt"
20
FILE_ip_tmp="/tmp/filesipfilter.txt"
316 richard 21
DIR_DG="/etc/dansguardian/lists"
22
DIR_DG_BL="$DIR_DG/blacklists"
1015 richard 23
BL_CATEGORIES="$DIR_CONF/alcasar-bl-categories"				# list of names of the 	BL categories
1926 richard 24
WL_CATEGORIES="$DIR_CONF/alcasar-wl-categories"				#	'	'	WL categories
1015 richard 25
BL_CATEGORIES_ENABLED="$DIR_CONF/alcasar-bl-categories-enabled"		#	'	'	BL enabled categories
26
WL_CATEGORIES_ENABLED="$DIR_CONF/alcasar-wl-categories-enabled"		#	'	'	WL enabled categories
27
DIR_SHARE="/usr/local/share"
28
DIR_DNS_BL="$DIR_SHARE/dnsmasq-bl"					# all the BL in the DNSMASQ format
29
DIR_DNS_WL="$DIR_SHARE/dnsmasq-wl"					# all the WL	'	'	'
30
DIR_IP_BL="$DIR_SHARE/iptables-bl"					# all the IP addresses of the BL 
1899 raphael.pi 31
DIR_IP_WL="$DIR_SHARE/iptables-wl"					# IP ossi disabled WL 
1366 richard 32
DIR_DNS_BL_ENABLED="$DIR_SHARE/dnsmasq-bl-enabled"			# symbolic link to the domains BL (only enabled categories)
1015 richard 33
DIR_DNS_WL_ENABLED="$DIR_SHARE/dnsmasq-wl-enabled"			#	'	'	'	WL	'	'	'
1377 richard 34
DIR_IP_BL_ENABLED="$DIR_SHARE/iptables-bl-enabled"			#	'	'	ip BL (only enabled categories)
1852 raphael.pi 35
DIR_IP_WL_ENABLED="$DIR_SHARE/iptables-wl-enabled"			#	'	'	ip WL (ossi and ossi-* imported from ACC)
1899 raphael.pi 36
tmp_DIR_IP_BL="/tmp/ossi-iptables-bl"					#IP BL tmp directory to keep ossi files during an update
37
tmp_DIR_IP_WL="/tmp/ossi-iptables-wl"					#IP WL tmp directory to keep ossi files during an update
38
tmp_DIR_DNS_BL="/tmp/ossi-dnsmasq-bl"					#DNS BL tmp directory to keep ossi files during an update
39
tmp_DIR_DNS_WL="/tmp/ossi-dnsmasq-wl"					#DNS WL tmp directory to keep ossi files during an update
40
#BL tmp directory to keep ossi files
1365 richard 41
DNSMASQ_BL_CONF="/etc/dnsmasq-blacklist.conf"				# conf file of dnsmasq-blacklist
42
DNS1=`grep "DNS1" $CONF_FILE | cut -d '=' -f 2` 			# server DNS1 (for WL domain names)
878 richard 43
BL_SERVER="dsi.ut-capitole.fr"
1 root 44
SED="/bin/sed -i"
637 richard 45
 
1042 richard 46
# enable/disable the BL & WL categories
308 richard 47
function cat_choice (){
1339 richard 48
	mkdir $DIR_tmp
1930 richard 49
	for dir_bl in $DIR_IP_BL_ENABLED $DIR_DNS_BL_ENABLED $DIR_IP_WL_ENABLED $DIR_DNS_WL_ENABLED 
50
	do
51
		rm -f $dir_bl/*
52
	done
1870 raphael.pi 53
	# update categories with rsync
54
	if [ ! -e $DIR_CONF/update_cat.conf ]
55
	then
56
		touch $DIR_CONF/update_cat.conf
57
		chown root:apache $DIR_CONF/update_cat.conf
58
		chmod 660 $DIR_CONF/update_cat.conf
59
	fi
1015 richard 60
	$SED "/\.Include/d" $DIR_DG/bannedsitelist $DIR_DG/bannedurllist # cleaning for DG
1042 richard 61
	$SED "s?^[^#]?#&?g" $BL_CATEGORIES $WL_CATEGORIES # cleaning BL & WL categories file (comment all lines)
1912 richard 62
 
1015 richard 63
	# process the file $BL_CATEGORIES with the choice of categories 
64
	for ENABLE_CATEGORIE in `cat $BL_CATEGORIES_ENABLED` 
313 richard 65
	do
1015 richard 66
		$SED "/\/$ENABLE_CATEGORIE$/d" $BL_CATEGORIES 
314 richard 67
		$SED "1i\/etc\/dansguardian\/lists\/blacklists\/$ENABLE_CATEGORIE" $BL_CATEGORIES
1395 richard 68
		ln -sf $DIR_DNS_BL/$ENABLE_CATEGORIE.conf $DIR_DNS_BL_ENABLED/$ENABLE_CATEGORIE
69
		ln -sf $DIR_IP_BL/$ENABLE_CATEGORIE $DIR_IP_BL_ENABLED/$ENABLE_CATEGORIE
1293 richard 70
		# echo ".Include<$DIR_DG_BL/$ENABLE_CATEGORIE/domains>" >> $DIR_DG/bannedsitelist  # Blacklisted domains are managed by dnsmasq
648 richard 71
		echo ".Include<$DIR_DG_BL/$ENABLE_CATEGORIE/urls>" >> $DIR_DG/bannedurllist
313 richard 72
	done
878 richard 73
	sort +0.0 -0.2 $BL_CATEGORIES -o $FILE_tmp
313 richard 74
	mv $FILE_tmp $BL_CATEGORIES
1912 richard 75
 
1042 richard 76
	# process the file $WL_CATEGORIES with the choice of categories 
77
	for ENABLE_CATEGORIE in `cat $WL_CATEGORIES_ENABLED` 
78
	do
79
		$SED "/\/$ENABLE_CATEGORIE$/d" $WL_CATEGORIES 
80
		$SED "1i\/etc\/dansguardian\/lists\/blacklists\/$ENABLE_CATEGORIE" $WL_CATEGORIES
1395 richard 81
		ln -sf $DIR_DNS_WL/$ENABLE_CATEGORIE.conf $DIR_DNS_WL_ENABLED/$ENABLE_CATEGORIE
1042 richard 82
	done
83
	sort +0.0 -0.2 $WL_CATEGORIES -o $FILE_tmp
84
	mv $FILE_tmp $WL_CATEGORIES
308 richard 85
}
1482 richard 86
 
1870 raphael.pi 87
usage="Usage: alcasar-bl.sh { -cat_choice or --cat_choice } | { -download or --download } | { -adapt or --adapt } | { -reload or --reload } | { -update_cat or --update_cat }"
1 root 88
nb_args=$#
89
args=$1
90
if [ $nb_args -eq 0 ]
91
then
1369 richard 92
	  args="-h"
1 root 93
fi
94
case $args in
95
	-\? | -h* | --h*)
96
		echo "$usage"
97
		exit 0
98
		;;
1873 richard 99
	# Retrieve Toulouse University BL
386 franck 100
	-download | --download)
1 root 101
		rm -rf /tmp/con_ok.html
102
		`/usr/bin/curl $BL_SERVER -# -o /tmp/con_ok.html`
103
		if [ ! -e /tmp/con_ok.html ]
104
		then
105
			echo "Erreur : le serveur de blacklist ($BL_SERVER) n'est pas joignable"
106
		else 
878 richard 107
			rm -rf /tmp/con_ok.html $DIR_tmp
108
			mkdir $DIR_tmp
885 richard 109
			wget -P $DIR_tmp http://$BL_SERVER/blacklists/download/blacklists.tar.gz
878 richard 110
			md5sum $DIR_tmp/blacklists.tar.gz | cut -d" " -f1 > $DIR_tmp/md5sum
885 richard 111
			chown -R apache:apache $DIR_tmp
878 richard 112
		fi
113
		;;		
1488 richard 114
	# enable/disable categories (used only during the alcasar install process)
115
	-cat_choice | --cat_choice)
116
		cat_choice
117
		;;
1873 richard 118
	# Adapt Toulouse University BL to ALCASAR architecture (dnsmasq + DG + iptables)
878 richard 119
	-adapt | --adapt)
1873 richard 120
		echo -n "Adaptation process of Toulouse University blackList. Please wait : "
1371 richard 121
		if [ -f $DIR_tmp/blacklists.tar.gz ] # when downloading the last version of the BL
878 richard 122
		then
1930 richard 123
			# keep custom files (ossi) 
124
			for x in $(ls -1 $DIR_DG_BL | grep "^ossi-*")
125
			do
126
				mv $DIR_DG_BL/$x $DIR_tmp
127
			done
1369 richard 128
			rm -rf $DIR_DG_BL $DIR_IP_BL
129
			mkdir $DIR_DG_BL $DIR_IP_BL
878 richard 130
			tar zxf $DIR_tmp/blacklists.tar.gz --directory=$DIR_DG/
1930 richard 131
			# Add the two local categories (ossi-bl & ossi-wl) to the usage file
132
			cat << EOF >> $DIR_DG_BL/global_usage 
1927 richard 133
 
134
NAME: ossi-bl
135
DEFAULT_TYPE: black
136
SOURCE: ALCASAR Team
137
DESC FR: sites blacklistés ajoutés localement
138
NAME RU: ossi-bl
139
NAME EN: blacklisted sites add locally
140
NAME FR: ossi-bl
141
NAME IT: ossi-bl
142
NAME NL: ossi-bl
143
NAME DE: ossi-bl
144
NAME ES: ossi-bl
145
 
146
NAME: ossi-wl
147
DEFAULT_TYPE: white
148
SOURCE: ALCASAR Team
149
DESC FR: sites autorisés ajoutés localement
150
NAME RU: ossi-wl
151
NAME EN: whitelisted sites add locally
152
NAME FR: ossi-wl
153
NAME IT: ossi-wl
154
NAME NL: ossi-wl
155
NAME DE: ossi-wl
156
NAME ES: ossi-wl
157
EOF
1930 richard 158
			# Retrieve custom files (ossi)
159
			for x in $(ls -1 $DIR_tmp | grep "^ossi-*")
160
			do
161
				mv $DIR_tmp/$x $DIR_DG_BL
162
			done
163
		fi
164
		rm -f $BL_CATEGORIES $WL_CATEGORIES
165
		rm -rf $DIR_DNS_BL $DIR_DNS_WL $DIR_IP_BL $DIR_IP_WL
166
		touch $BL_CATEGORIES $WL_CATEGORIES
167
		mkdir $DIR_DNS_BL $DIR_DNS_WL $DIR_IP_BL $DIR_IP_WL
168
		chown -R dansguardian:apache $DIR_DG $BL_CATEGORIES $WL_CATEGORIES $BL_CATEGORIES_ENABLED $WL_CATEGORIES_ENABLED $DIR_DNS_BL $DIR_DNS_WL $DIR_IP_BL $DIR_IP_WL
169
		chmod -R g+w $DIR_DG $BL_CATEGORIES $WL_CATEGORIES $BL_CATEGORIES_ENABLED $WL_CATEGORIES_ENABLED $DIR_DNS_BL $DIR_DNS_WL $DIR_IP_BL $DIR_IP_WL
170
		find $DIR_DG_BL/ -type f -name domains > $FILE_tmp # retrieve directory name where a domain file exist
171
		$SED "s?\/domains??g" $FILE_tmp # remove "/domains" suffix
1042 richard 172
		for dir_categorie in `cat $FILE_tmp` # create the blacklist and the whitelist files
878 richard 173
		do
1015 richard 174
			categorie=`echo $dir_categorie|cut -d "/" -f6`
175
			categorie_type=`grep -A1 ^NAME:[$' '$'\t']*$categorie $DIR_DG_BL/global_usage | grep ^DEFAULT_TYPE | cut -d":" -f2 | tr -d " \t"`
176
			if [ "$categorie_type" == "white" ]
878 richard 177
			then
1015 richard 178
				echo "$dir_categorie" >> $WL_CATEGORIES 
1930 richard 179
			else
180
				echo "$dir_categorie" >> $BL_CATEGORIES
878 richard 181
			fi
182
		done
183
		rm -f $FILE_tmp
1057 richard 184
		# Verify that the enabled categories are effectively in the BL (need after an update of the BL)
185
		for ENABLE_CATEGORIE in `cat $BL_CATEGORIES_ENABLED` 
186
		do
187
			ok=`grep /$ENABLE_CATEGORIE$ $BL_CATEGORIES|wc -l`
188
			if [ $ok != "1" ] 
189
			then
190
				$SED "/^$ENABLE_CATEGORIE$/d" $BL_CATEGORIES_ENABLED
191
			fi
192
		done
1926 richard 193
		# Verify that the enabled categories are effectively in the WL (need after an update of the WL)
194
		for ENABLE_CATEGORIE in `cat $WL_CATEGORIES_ENABLED` 
195
		do
196
			ok=`grep /$ENABLE_CATEGORIE$ $WL_CATEGORIES|wc -l`
197
			if [ $ok != "1" ] 
198
			then
199
				$SED "/^$ENABLE_CATEGORIE$/d" $WL_CATEGORIES_ENABLED
200
			fi
201
		done
1293 richard 202
		# Creation of DNSMASQ and Iptables BL and WL
1015 richard 203
		for LIST in $BL_CATEGORIES $WL_CATEGORIES	# for each list (bl and wl)
854 richard 204
		do
1015 richard 205
			for PATH_FILE in `cat $LIST` # for each category
206
			do
207
				DOMAINE=`basename $PATH_FILE`
208
				echo -n "$DOMAINE, "
209
		  		if [ ! -f $PATH_FILE/urls ] # create 'urls' file if it doesn't exist
210
				then
211
					touch $PATH_FILE/urls
212
					chown dansguardian:apache $PATH_FILE/urls
213
				fi
214
				$SED "s/\.\{2,10\}/\./g" $PATH_FILE/domains $PATH_FILE/urls # correct some syntax errors
1383 richard 215
				# extract ip addresses for iptables
1867 raphael.pi 216
				awk '/^([0-9]{1,3}\.){3}[0-9]{1,3}$/{print "add bl_ip_blocked " $0}' $PATH_FILE/domains > $FILE_ip_tmp
1015 richard 217
				# for dnsmask, remove IP addesses, accented characters and commented lines.
1293 richard 218
				egrep  -v "^([0-9]{1,3}\.){3}[0-9]{1,3}$" $PATH_FILE/domains > $FILE_tmp
1015 richard 219
				$SED "/[äâëêïîöôüû]/d" $FILE_tmp
220
				$SED "/^#.*/d" $FILE_tmp
221
				if [ "$LIST" == "$BL_CATEGORIES" ]
222
				then
1365 richard 223
					# adapt to the dnsmasq syntax for the blacklist
224
					$SED "s?.*?address=/&/$PRIVATE_IP?g" $FILE_tmp 
1015 richard 225
					mv $FILE_tmp $DIR_DNS_BL/$DOMAINE.conf
226
					mv $FILE_ip_tmp $DIR_IP_BL/$DOMAINE
227
				else
1365 richard 228
					# adapt to the dnsmasq syntax for the whitelist
229
					$SED "s?.*?server=/&/$DNS1?g" $FILE_tmp 
1015 richard 230
					mv $FILE_tmp $DIR_DNS_WL/$DOMAINE.conf
231
				fi
232
			done
854 richard 233
		done
1015 richard 234
		rm -f $FILE_tmp $FILE_ip_tmp
1339 richard 235
		rm -rf $DIR_tmp
654 richard 236
		;;
1898 richard 237
	# update the categories which are written in "/usr/local/etc/update_cat.conf" with rsync
238
	-update_cat | --update_cat)
1874 raphael.pi 239
		if [ $(cat /usr/local/etc/update_cat.conf | wc -l) -ne 0 ]
240
		then
1898 richard 241
			echo -n "Updating categories in /usr/local/etc/update_cat.conf ..."
242
			cat /usr/local/etc/update_cat.conf | while read LIGNE_RSYNC
243
			do
244
				CATEGORIE=$(echo $LIGNE_RSYNC | cut -d' ' -f1)
245
				URL=$(echo $LIGNE_RSYNC | cut -d' ' -f2)
246
				PATH_FILE=$(find $DIR_DG_BL/ -type d -name $CATEGORIE) # retrieve directory name of the category
247
				rsync -rv $URL $(dirname $PATH_FILE ) #rsync inside of the blacklist directory
248
				# Creation of DNSMASQ and Iptables BL and WL
249
				DOMAINE=$(basename $PATH_FILE)
250
				# correct some synthaxes
251
				$SED "s/\.\{2,10\}/\./g" $PATH_FILE/domains $PATH_FILE/urls
252
				# extract ip addresses for iptables
253
				awk '/^([0-9]{1,3}\.){3}[0-9]{1,3}$/{print "add bl_ip_blocked " $0}' $PATH_FILE/domains > $FILE_ip_tmp
254
				# for dnsmask, remove IP addresses, accentuated characters and commented lines.
255
				egrep  -v "^([0-9]{1,3}\.){3}[0-9]{1,3}$" $PATH_FILE/domains > $FILE_tmp
256
				$SED "/[äâëêïîöôüû]/d" $FILE_tmp
257
				$SED "/^#.*/d" $FILE_tmp
258
				black=`grep black $PATH_FILE/usage |wc -l`
259
				if [ $black == "1" ]
260
				then
261
					# adapt to the dnsmasq syntax for the blacklist
262
					$SED "s?.*?address=/&/$PRIVATE_IP?g" $FILE_tmp 
263
					mv $FILE_tmp $DIR_DNS_BL/$DOMAINE.conf
264
					mv $FILE_ip_tmp $DIR_IP_BL/$DOMAINE
265
				else
266
					# adapt to the dnsmasq syntax for the whitelist
267
					$SED "s?.*?server=/&/$DNS1?g" $FILE_tmp 
268
					mv $FILE_tmp $DIR_DNS_WL/$DOMAINE.conf
269
				fi
270
				rm -f $FILE_tmp $FILE_ip_tmp
271
			done
272
			/usr/bin/systemctl restart dnsmasq-whitelist
273
			/usr/bin/systemctl restart dnsmasq-blacklist
274
			/usr/bin/systemctl restart dansguardian
275
			/usr/local/bin/alcasar-iptables.sh
1867 raphael.pi 276
		else
1898 richard 277
			  echo -n "/usr/local/etc/update_cat.conf is empty ..."
1867 raphael.pi 278
		fi
1874 raphael.pi 279
		echo 
1867 raphael.pi 280
		;;
1015 richard 281
	# reload when categories are changed 
386 franck 282
	-reload | --reload)
1015 richard 283
		# for DG
311 richard 284
		cat_choice
1042 richard 285
		#  for dnsmasq (rehabited domain names)
316 richard 286
		if [ `wc -w $DIR_DG/exceptionsitelist|cut -d " " -f1` != "0" ]
311 richard 287
		then
316 richard 288
			for i in `cat $DIR_DG/exceptionsitelist`
311 richard 289
			do
1015 richard 290
				$SED "/$i/d" $DIR_DNS_BL/*
311 richard 291
			done
292
		fi
1574 richard 293
		/usr/bin/systemctl restart dnsmasq-blacklist
294
		/usr/bin/systemctl restart dnsmasq-whitelist
1488 richard 295
		/usr/local/bin/alcasar-iptables.sh
503 richard 296
		;;
1 root 297
	*)
298
		echo "Argument inconnu :$1";
299
		echo "$usage"
300
		exit 1
301
		;;
302
esac
303
 
1857 raphael.pi 304
 
1867 raphael.pi 305
 
1874 raphael.pi 306