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#!/bin/bash
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#!/bin/bash
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# $Id: alcasar-dns-local.sh 2838 2020-06-21 22:15:26Z rexy $
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# $Id: alcasar-dns-local.sh 2861 2020-10-04 20:41:06Z rexy $
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# alcasar-dns-local.sh
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# alcasar-dns-local.sh
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# by Rexy - 3abtux
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# by Rexy - 3abtux
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# This script is distributed under the Gnu General Public License (GPL)
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# This script is distributed under the Gnu General Public License (GPL)
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INT_DNS_IP_MASK=`grep ^PRIVATE_IP $ALCASAR_CONF_FILE|cut -d"=" -f2`
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INT_DNS_IP_MASK=`grep ^PRIVATE_IP $ALCASAR_CONF_FILE|cut -d"=" -f2`
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INT_DNS_IP=`grep ^PRIVATE_IP $ALCASAR_CONF_FILE|cut -d"=" -f2|cut -d"/" -f1`
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INT_DNS_IP=`grep ^PRIVATE_IP $ALCASAR_CONF_FILE|cut -d"=" -f2|cut -d"/" -f1`
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INTIF=`grep ^INTIF $ALCASAR_CONF_FILE|cut -d"=" -f2`
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INTIF=`grep ^INTIF $ALCASAR_CONF_FILE|cut -d"=" -f2`
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INT_DNS_ACTIVE=`grep INT_DNS_ACTIVE $ALCASAR_CONF_FILE|cut -d"=" -f2`
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INT_DNS_ACTIVE=`grep INT_DNS_ACTIVE $ALCASAR_CONF_FILE|cut -d"=" -f2`
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LOCAL_DNS_FILE="/etc/unbound/conf.d/common/local-dns/$INTIF.conf"
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LOCAL_DNS_FILE="/etc/unbound/conf.d/common/local-dns/$INTIF.conf"
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LOCAL_DNS_BLACKHOLE_FILE="/etc/unbound/conf.d/blackhole/iface.$INTIF.conf"
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usage="Usage: alcasar-dns-local.sh {--on | -on} | {--off | -off} | {--add | -add} ip domain | {--del | -del} ip domain | {--reload | -reload}"
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usage="Usage: alcasar-dns-local.sh {--on | -on} | {--off | -off} | {--add | -add} ip domain | {--del | -del} ip domain | {--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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	do
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	do
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		systemctl restart $dns
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		systemctl restart $dns
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	done
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	done
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}
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}
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function hosts_to_unbound(){  # configure the unbound conf file with local host names resolution (forward + blackhole)
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function hosts_to_unbound(){  # configure the unbound conf file with local host names resolution
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		cat << EOF > $LOCAL_DNS_FILE
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		cat << EOF > $LOCAL_DNS_FILE
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server:
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server:
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	local-zone: "$INT_DNS_DOMAIN" static
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	local-data: "$INT_DNS_HOST.$INT_DNS_DOMAIN A $INT_DNS_IP"
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	local-data-ptr: "$INT_DNS_IP $INT_DNS_HOST.$INT_DNS_DOMAIN"
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EOF
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		cat << EOF > $LOCAL_DNS_BLACKHOLE_FILE
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server:
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	server:
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	interface: ${INT_DNS_IP}@56
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	access-control-view: $INT_DNS_IP_MASK $INTIF
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view:
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	name: "$INTIF"
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	local-zone: "." redirect
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	local-data: ". A $INT_DNS_IP"
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	local-zone: "$INT_DNS_DOMAIN" static
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	local-data: "$INT_DNS_HOST.$INT_DNS_DOMAIN A $INT_DNS_IP"
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	local-data: "$INT_DNS_HOST.$INT_DNS_DOMAIN A $INT_DNS_IP"
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	local-data-ptr: "$INT_DNS_IP $INT_DNS_HOST.$INT_DNS_DOMAIN"
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	local-data-ptr: "$INT_DNS_IP $INT_DNS_HOST.$INT_DNS_DOMAIN"
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EOF
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EOF
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	while read -r line
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	while read -r line
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	do
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	do
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		domain=$(echo $line | awk '{ print $2 }')
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		domain=$(echo $line | awk '{ print $2 }')
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		if ! echo $line | grep -E -q "^([0-9\.\t ]+alcasar( |$)|127\.0\.0)"
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		if ! echo $line | grep -E -q "^([0-9\.\t ]+alcasar( |$)|127\.0\.0)"
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		then
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		then
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			echo -e "\tlocal-data: \"$domain.$INT_DNS_DOMAIN A $ip_address\"" >> $LOCAL_DNS_FILE
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			echo -e "\tlocal-data: \"$domain.$INT_DNS_DOMAIN A $ip_address\"" >> $LOCAL_DNS_FILE
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			echo -e "\tlocal-data-ptr: \"$ip_address $domain.$INT_DNS_DOMAIN\"" >> $LOCAL_DNS_FILE
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			echo -e "\tlocal-data-ptr: \"$ip_address $domain.$INT_DNS_DOMAIN\"" >> $LOCAL_DNS_FILE
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			echo -e "\tlocal-data: \"$domain.$INT_DNS_DOMAIN A $ip_address\"" >> $LOCAL_DNS_BLACKHOLE_FILE
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			echo -e "\tlocal-data-ptr: \"$ip_address $domain.$INT_DNS_DOMAIN\"" >> $LOCAL_DNS_BLACKHOLE_FILE
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		fi
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		fi
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	done < $LOCAL_HOSTNAME_FILE
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	done < $LOCAL_HOSTNAME_FILE
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}
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}
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case $args in
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case $args in