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#!/bin/sh
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#
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# ppp-linkup
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#
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# part of pfSense (https://www.pfsense.org)
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# Copyright (c) 2004-2013 BSD Perimeter
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# Copyright (c) 2013-2016 Electric Sheep Fencing
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# Copyright (c) 2014-2021 Rubicon Communications, LLC (Netgate)
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# All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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export PATH=/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/sbin
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DNSALLOWOVERRIDE=$(/usr/local/sbin/read_xml_tag.sh boolean system/dnsallowoverride)
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IF="${1}"
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PROTOCOL="${2}"
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LOCAL_IP="${3}"
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REMOTE_IP="${4}"
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AUTH_NAME="${5}"
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DNS1_RAW="${6}"
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DNS2_RAW="${7}"
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if [ "${PROTOCOL}" == "inet" ]; then
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OLD_ROUTER=`cat /tmp/${IF}_router`
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if [ -n "${OLD_ROUTER}" ]; then
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echo "Removing states to old router ${OLD_ROUTER}" | logger -t ppp-linkup
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pfctl -i ${IF} -k 0.0.0.0/0 -k ${OLD_ROUTER}/32
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pfctl -i ${IF} -k ${OLD_ROUTER}/32 -k 0.0.0.0/0
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fi
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# let the configuration system know that the ipv4 has changed.
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echo ${REMOTE_IP} > /tmp/${IF}_router
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echo ${LOCAL_IP} > /tmp/${IF}_ip
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touch /tmp/${IF}up
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if [ "${DNSALLOWOVERRIDE}" = "true" ]; then
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# write nameservers to file
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echo -n "" > /var/etc/nameserver_${IF}
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if echo "${DNS1_RAW}" | grep -q dns1; then
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DNS1=`echo "${DNS1_RAW}" | awk '{print $2}'`
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echo "${DNS1}" >> /var/etc/nameserver_${IF}
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route change "${DNS1}" ${REMOTE_IP} \
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|| route add "${DNS1}" ${REMOTE_IP}
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fi
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if echo "${DNS2_RAW}" | grep -q dns2; then
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DNS2=`echo "${DNS2_RAW}" | awk '{print $2}'`
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echo "${DNS2}" >> /var/etc/nameserver_${IF}
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route change "${DNS2}" ${REMOTE_IP} \
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|| route add "${DNS2}" ${REMOTE_IP}
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fi
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pfSctl -c 'service reload dns'
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sleep 1
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fi
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pfSctl -c "interface newip ${IF}"
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elif [ "${PROTOCOL}" == "inet6" ]; then
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/usr/local/sbin/ppp-ipv6 ${IF} up
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# let the configuration system know that the ipv6 has changed.
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echo ${REMOTE_IP} |cut -d% -f1 > /tmp/${IF}_routerv6
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echo ${LOCAL_IP} |cut -d% -f1 > /tmp/${IF}_ipv6
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touch /tmp/${IF}upv6
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if [ "${DNSALLOWOVERRIDE}" = "true" ]; then
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# write nameservers to file
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echo -n "" > /var/etc/nameserver_v6${IF}
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if echo "${DNS1_RAW}" | grep -q dns1; then
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DNS1=`echo "${DNS1_RAW}" | awk '{print $2}'`
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echo "${DNS1}" >> /var/etc/nameserver_v6${IF}
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route change -inet6 "${DNS1}" ${REMOTE_IP} \
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|| route add -inet6 "${DNS1}" ${REMOTE_IP}
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fi
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if echo "${DNS2_RAW}" | grep -q dns2; then
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DNS2=`echo "${DNS2_RAW}" | awk '{print $2}'`
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echo "${DNS2}" >> /var/etc/nameserver_v6${IF}
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route change -inet6 "${DNS2}" ${REMOTE_IP} \
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|| route add -inet6 "${DNS2}" ${REMOTE_IP}
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fi
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pfSctl -c 'service reload dns'
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sleep 1
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fi
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pfSctl -c "interface newipv6 ${IF}"
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fi
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exit 0
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