Subversion Repositories ALCASAR

#!/bin/bash

# Id: $Id: alcasar-url_filter_bl.sh 3195 2024-04-23 22:39:48Z rexy $

# alcasar-url_filter.sh
# by REXY
# This script is distributed under the Gnu General Public License (GPL)

# Active / désactive : safesearch des moteurs de recherche
# Enable / disable : search engines safesearch
# Active / désactive : le filtrage des url contenant une adresse ip à la place d'un nom de domaine
# Enable / disable : filter of urls containing ip address instead of domain name

CONF_FILE="/usr/local/etc/alcasar.conf"
DIR_DG_GROUP1="/etc/e2guardian/lists/group1"
UNBOUND_BL_DOMAIN_FILTER_CONF="/etc/unbound/conf.d/blacklist/domainfilter.conf"
SED="/bin/sed -i"
safesearch="Off"
pureip="Off"
usage="Usage: alcasar-url_filter_bl.sh { -safesearch_on or -safesearch_off } & { -pureip_on or -pureip_off }"

nb_args=$#

googledomains="google.com. google.ad. google.ae. google.com.af. google.com.ag. google.com.ai. google.al. google.am. google.co.ao. google.com.ar. google.as. google.at. google.com.au. google.az. google.ba. google.com.bd. google.be. google.bf. google.bg. google.com.bh. google.bi. google.bj. google.com.bn. google.com.bo. google.com.br. google.bs. google.bt. google.co.bw. google.by. google.com.bz. google.ca. google.cd. google.cf. google.cg. google.ch. google.ci. google.co.ck. google.cl. google.cm. google.cn. google.com.co. google.co.cr. google.com.cu. google.cv. google.com.cy. google.cz. google.de. google.dj. google.dk. google.dm. google.com.do. google.dz. google.com.ec. google.ee. google.com.eg. google.es. google.com.et. google.fi. google.com.fj. google.fm. google.fr. google.ga. google.ge. google.gg. google.com.gh. google.com.gi. google.gl. google.gm. google.gp. google.gr. google.com.gt. google.gy. google.com.hk. google.hn. google.hr. google.ht. google.hu. google.co.id. google.ie. google.co.il. google.im. google.co.in. google.iq. google.is. google.it. google.je. google.com.jm. google.jo. google.co.jp. google.co.ke. google.com.kh. google.ki. google.kg. google.co.kr. google.com.kw. google.kz. google.la. google.com.lb. google.li. google.lk. google.co.ls. google.lt. google.lu. google.lv. google.com.ly. google.co.ma. google.md. google.me. google.mg. google.mk. google.ml. google.com.mm. google.mn. google.ms. google.com.mt. google.mu. google.mv. google.mw. google.com.mx. google.com.my. google.co.mz. google.com.na. google.com.nf. google.com.ng. google.com.ni. google.ne. google.nl. google.no. google.com.np. google.nr. google.nu. google.co.nz. google.com.om. google.com.pa. google.com.pe. google.com.pg. google.com.ph. google.com.pk. google.pl. google.pn. google.com.pr. google.ps. google.pt. google.com.py. google.com.qa. google.ro. google.ru. google.rw. google.com.sa. google.com.sb. google.sc. google.se. google.com.sg. google.sh. google.si. google.sk. google.com.sl. google.sn. google.so. google.sm. google.sr. google.st. google.com.sv. google.td. google.tg. google.co.th. google.com.tj. google.tk. google.tl. google.tm. google.tn. google.to. google.com.tr. google.tt. google.com.tw. google.co.tz. google.com.ua. google.co.ug. google.co.uk. google.com.uy. google.co.uz. google.com.vc. google.co.ve. google.vg. google.co.vi. google.com.vn. google.vu. google.ws. google.rs. google.co.za. google.co.zm. google.co.zw. google.cat."

youtubedomains="www.youtube.com m.youtube.com youtubei.googleapis.com youtube.googleapis.com www.youtube-nocookie.com"

safesearch=""
pureip=""

if [ $nb_args -lt 1 ]
then
        echo "$usage"
        exit 1
fi

while [ $nb_args -ge 1 ]
do
        arg=${!nb_args}
        case $arg in
        -\? | -h* | --h*)
                echo "$usage"
                exit 0
                ;;
        # Safe search activation
        -safesearch_on | --safesearch_on)
                safesearch="On"
                ;;
        # Safe search deactivation
        -safesearch_off | --safesearch_off)
                safesearch="Off"
                ;;
        # pure_ip activation
        -pureip_on | --pureip_on)
                pureip="On"
                ;;
        # pureip deactivation
        -pureip_off | --pureip_off)
                pureip="Off"
                ;;
        *)
                echo "Argument inconnu :$arg";
                echo "$usage"
                exit 1
                ;;
        esac
nb_args=$(expr $nb_args - 1)
done

if [ "$safesearch" == "On" ]
then
        $SED "s?^#\"?\"?g" $DIR_DG_GROUP1/urlregexplist # on décommente les lignes de regles
        # add 'SafeSearch' redirection for google searching
        google_safe_server=`host -ta forcesafesearch.google.com | grep "address" | cut -d" " -f4`       # retrieve google forcesafesearch ip

        # config file header
        echo "server:" > $UNBOUND_BL_DOMAIN_FILTER_CONF

        for domain in $googledomains
        do
                echo -e "\tlocal-zone: \"$domain\" redirect" >> $UNBOUND_BL_DOMAIN_FILTER_CONF
                echo -e "\tlocal-data: \"$domain A $google_safe_server\"" >> $UNBOUND_BL_DOMAIN_FILTER_CONF
        done

        # add 'SafeSearch' redirection for youtube searching
        youtube_safe_server=`host -ta restrict.youtube.com | grep "address" | cut -d" " -f4`    # retrieve youtube restrict ip
        for domain in $youtubedomains
        do
                echo -e "\tlocal-zone: \"$domain\" redirect" >> $UNBOUND_BL_DOMAIN_FILTER_CONF
                echo -e "\tlocal-data: \"$domain A $youtube_safe_server\"" >> $UNBOUND_BL_DOMAIN_FILTER_CONF
        done

        # add 'SafeSearch' redirection for bing searching
        bing_safe_server=`host -ta strict.bing.com | grep "address" | cut -d" " -f4`    # retrieve bing strict ip
        echo -e "\tlocal-zone: \"www.bing.com\" redirect" >> $UNBOUND_BL_DOMAIN_FILTER_CONF
        echo -e "\tlocal-data: \"www.bing.com A $bing_safe_server\"" >> $UNBOUND_BL_DOMAIN_FILTER_CONF

        # add 'SafeSearch' redirection for qwant searching
        qwant_safe_server=`host -ta safeapi.qwant.com | grep "address" | cut -d" " -f4` # retrieve qwant strict ip
        echo -e "\tlocal-zone: \"api.qwant.com\" redirect" >> $UNBOUND_BL_DOMAIN_FILTER_CONF
        echo -e "\tlocal-data: \"api.qwant.com A $qwant_safe_server\"" >> $UNBOUND_BL_DOMAIN_FILTER_CONF

        $SED 's/^BL_SAFESEARCH=.*/BL_SAFESEARCH=on/g' $CONF_FILE
elif [ "$safesearch" == "Off" ]
then
        $SED "s?^[^#]?#&?g" $DIR_DG_GROUP1/urlregexplist
        [ -e $UNBOUND_BL_DOMAIN_FILTER_CONF ] && rm -f $UNBOUND_BL_DOMAIN_FILTER_CONF

        $SED 's/^BL_SAFESEARCH=.*/BL_SAFESEARCH=off/g' $CONF_FILE
fi

if [ "$pureip" == "On" ]
then
        $SED "s/^\#\*ip$/*ip/g" $DIR_DG_GROUP1/bannedsitelist
        $SED "s/^\#\*ips$/*ips/g" $DIR_DG_GROUP1/bannedsitelist

        $SED 's/^BL_PUREIP=.*/BL_PUREIP=on/g' $CONF_FILE
elif [ "$pureip" == "Off" ]
then
        $SED "s/^\*ip$/#*ip/g" $DIR_DG_GROUP1/bannedsitelist
        $SED "s/^\*ips$/#*ips/g" $DIR_DG_GROUP1/bannedsitelist

        $SED 's/^BL_PUREIP=.*/BL_PUREIP=off/g' $CONF_FILE
fi
systemctl restart e2guardian
systemctl restart unbound-blacklist