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#!/bin/sh
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#
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# ppp-linkdown
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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) 2014-2025 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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IF="${1}"
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PROTOCOL="${2}"
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LOCAL_IP="${3}"
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if [ -f "/tmp/${IF}up" ] && [ -f "/conf/${IF}.log" ]; then
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seconds=$((`date -j +%s` - `/usr/bin/stat -f %m "/tmp/${IF}up"`))
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/usr/local/sbin/ppp-log-uptime.sh "$seconds" "${IF}" &
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fi
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if echo "${IF}" | /usr/bin/egrep -qv "ppp[0-9]+"; then
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/etc/rc.kill_states "${IF}" "${LOCAL_IP}"
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fi
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if [ "${PROTOCOL}" = "inet" ] && [ -s "/tmp/${IF}_defaultgw" ]; then
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GW=`head -n 1 "/tmp/${IF}_defaultgw"`
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DGW=`/sbin/route -n get -inet default | /usr/bin/awk '/gateway:/ {print $2}'`
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# Only remove the default gateway if it matches the gateway for this interface. See redmine #1837
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if [ "${GW}" = "${DGW}" ]; then
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/sbin/route -q delete default "${GW}"
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fi
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fi
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if [ "${PROTOCOL}" = "inet6" ]; then
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/usr/local/sbin/ppp-ipv6 "${IF}" down
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fi
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# delete the node just in case mpd cannot do that
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/usr/sbin/ngctl shutdown "${IF}":
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if [ -f "/var/etc/nameserver_${IF}" ]; then
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# Remove old entries
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for nameserver in `cat "/var/etc/nameserver_${IF}"`; do
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/sbin/route -q delete "${nameserver}" >/dev/null 2>&1
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done
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/bin/rm -f "/var/etc/nameserver_${IF}"
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fi
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# Do not remove gateway used during filter reload.
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if [ -f "/tmp/${IF}_router" ]; then
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/bin/mv "/tmp/${IF}_router" "/tmp/${IF}_router.last"
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fi
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# cleanup all VIPs, see https://redmine.pfsense.org/issues/11629
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while
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aliases=$(/sbin/ifconfig "${IF}" | /usr/bin/grep netmask)
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if [ -z "${aliases}" ]; then
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break
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fi
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do ifconfig "${IF}" -alias; done
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/bin/rm -f "/tmp/${IF}up"
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/bin/rm -f "/tmp/${IF}_ip"
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/usr/local/sbin/pfSctl -c 'service reload dns'
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