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#!/bin/sh
#
# Copyright (c) 2007 Hajimu UMEMOTO
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS 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 AUTHOR OR 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.
# PROVIDE: dhcp6c_pd
# REQUIRE: mountcritremote
# KEYWORD: nojail nostart
prefix=%%PREFIX%%
DATE=%%DATE%%
MD5=%%MD5%%
SED=%%SED%%
. /etc/rc.subr
name="dhcp6c_pd"
rcvar=
command="${prefix}/sbin/dhcp6c"
start_precmd="dhcp6c_pd_prestart"
start_postcmd="dhcp6c_pd_poststart"
stop_precmd="dhcp6c_pd_precmd"
stop_cmd="dhcp6c_pd_stop"
restart_precmd="dhcp6c_pd_precmd"
# When dhcp6c gets signal, dhcp6c removes its pidfile immediately but
# dhcp6c might not terminate.
getpid()
{
if [ -f "${pidfile}" ]; then
read pid junk < ${pidfile}
echo ${pid}
else
/bin/pgrep -f "dhcp6c -p ${pidfile}"
fi
}
dhcp6c_pd_precmd()
{
if [ -z "${dhcp6c_pd_interface}" ]; then
warn "\$dhcp6c_pd_interface is not set."
return 1
fi
}
dhcp6c_pd_prestart()
{
dhcp6c_pd_precmd
pid=`getpid`
if [ -n "${pid}" ]; then
dhcp6c_pd_stop
sleep 2
fi
# create dhcp6c.conf
${SED} -e "s/__INTERFACE__/${dhcp6c_pd_interface}/" \
-e "s/__PD_INTERFACE__/${dhcp6c_pd_rtadvd_interface}/" \
< ${dhcp6c_pd_conf_in} > ${dhcp6c_pd_conf}.${dhcp6c_pd_interface}
# create dhcp6cctlkey
#if [ ! -f ${prefix}/etc/dhcp6cctlkey ]; then
# ${MD5} -q -s `${DATE} "+%Y-%m-%d-%H-%M-%S"` \
# > ${prefix}/etc/dhcp6cctlkey
#fi
}
dhcp6c_pd_poststart()
{
if checkyesno dhcp6c_pd_rtadvd_enable; then
/sbin/sysctl net.inet6.ip6.accept_rtadv=0
/sbin/sysctl net.inet6.ip6.forwarding=1
/usr/sbin/rtadvd -c ${dhcp6c_pd_rtadvd_conf} \
${dhcp6c_pd_rtadvd_interface}
fi
}
dhcp6c_pd_stop()
{
if checkyesno dhcp6c_pd_rtadvd_enable; then
if [ -f "/var/run/rtadvd.pid" ]; then
read pid junk < "/var/run/rtadvd.pid"
kill ${pid}
/sbin/sysctl net.inet6.ip6.accept_rtadv=1
/sbin/sysctl net.inet6.ip6.forwarding=0
fi
fi
pid=`getpid`
if [ -n "${pid}" ]; then
kill ${pid}
rm -f ${dhcp6c_pd_conf}.${dhcp6c_pd_interface}
fi
}
load_rc_config ${name}
dhcp6c_pd_conf_in=${dhcp6c_pd_conf_in:-"${prefix}/%%CONF_DIR%%/dhcp6c.conf.in"}
dhcp6c_pd_conf=${dhcp6c_pd_conf:-"/var/run/dhcp6c.conf"}
dhcp6c_pd_interface=${2:-${dhcp6c_pd_interface}}
dhcp6c_pd_localaddr=${3:-${dhcp6c_pd_localaddr}}
dhcp6c_pd_rtadvd_enable=${dhcp6c_pd_rtadvd_enable:-"NO"}
dhcp6c_pd_rtadvd_interface=${dhcp6c_pd_rtadvd_interface:-"%%PD_INTERFACE%%"}
dhcp6c_pd_rtadvd_conf=${dhcp6c_pd_rtadvd_conf:-"${prefix}/%%CONF_DIR%%/rtadvd.conf"}
required_files="${dhcp6c_pd_conf_in}"
pidfile=/var/run/dhcp6c-${dhcp6c_pd_interface}.pid
command_args="-p ${pidfile} -c ${dhcp6c_pd_conf}.${dhcp6c_pd_interface} ${dhcp6c_pd_interface}"
if [ -n "${dhcp6c_pd_localaddr}" ]; then
command_args="-A ${dhcp6c_pd_localaddr} ${command_args}"
fi
rc_fast=yes
run_rc_command "$1"
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