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#!/bin/sh
#
# ppp-linkdown
#
# part of pfSense (https://www.pfsense.org)
# Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgment:
# "This product includes software developed by the pfSense Project
# for use in the pfSense® software distribution. (http://www.pfsense.org/).
#
# 4. The names "pfSense" and "pfSense Project" must not be used to
# endorse or promote products derived from this software without
# prior written permission. For written permission, please contact
# coreteam@pfsense.org.
#
# 5. Products derived from this software may not be called "pfSense"
# nor may "pfSense" appear in their names without prior written
# permission of the Electric Sheep Fencing, LLC.
#
# 6. Redistributions of any form whatsoever must retain the following
# acknowledgment:
#
# "This product includes software developed by the pfSense Project
# for use in the pfSense software distribution (http://www.pfsense.org/).
#
# THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR
# ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
IF="${1}"
PROTOCOL="${2}"
LOCAL_IP="${3}"
if [ -f /tmp/${IF}up ] && [ -f /conf/${IF}.log ]; then
seconds=$((`date -j +%s` - `/usr/bin/stat -f %m /tmp/${IF}up`))
/usr/local/sbin/ppp-log-uptime.sh $seconds ${IF} &
fi
/etc/rc.kill_states ${IF} ${LOCAL_IP}
if [ "${PROTOCOL}" == "inet" && -s "/tmp/${IF}_defaultgw" ]; then
GW=`head -n 1 /tmp/${IF}_defaultgw`
DGW=`/sbin/route -n get -inet default | /usr/bin/awk '/gateway:/ {print $2}'`
# Only remove the default gateway if it matches the gateway for this interface. See redmine #1837
if [ "${GW}" = "${DGW}" ]; then
/sbin/route -q delete default ${GW}
fi
fi
if [ "${PROTOCOL}" == "inet6" ]; then
/usr/local/sbin/ppp-ipv6 ${IF} down
fi
# delete the node just in case mpd cannot do that
/usr/sbin/ngctl shutdown ${IF}:
if [ -f "/var/etc/nameserver_${IF}" ]; then
# Remove old entries
for nameserver in `cat /var/etc/nameserver_${IF}`; do
/sbin/route -q delete ${nameserver} >/dev/null 2>&1
done
/bin/rm -f /var/etc/nameserver_${IF}
fi
# Do not remove gateway used during filter reload.
/bin/rm -f /tmp/${IF}_router
/bin/rm -f /tmp/${IF}up
/bin/rm -f /tmp/${IF}_ip
/usr/local/sbin/pfSctl -c 'service reload dns'
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