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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: tayga
# REQUIRE: SERVERS
# KEYWORD: shutdown
#
. ${RC_ROUTER_HARNESS}/etc/rc.subr
name='tayga'
start_cmd='tayga_start'
stop_cmd='tayga_stop'
rcvar='tayga_enable'
load_rc_config 'tayga'
pidfile="/var/run/${name}.pid"
command="/usr/local/sbin/${name}"
# Confirm necessary variables are set
check_vars()
{
[ -z "$tayga_ipv4_addr" ] && err 3 "Must set tayga_ipv4_addr to the address that the tayga server lives on"
[ -z "$tayga_ipv4_endpoint" ] && err 3 "Must set tayga_ipv4_endpoint to the address that the tunnel lives on"
[ -z "$tayga_ipv4_net" ] && err 3 "Must set tayga_ipv4_net to the network that the tunnel lives on"
[ -z "$tayga_ipv6_endpoint" ] && err 3 "Must set tayga_ipv6_endpoint to the address that the tunnel lives on"
[ -z "$tayga_ipv6_net" ] && err 3 "Must set tayga_ipv6_net to the network that the tunnel provides"
}
[ -z "$tayga_config" ] && tayga_config="/usr/local/etc/tayga.conf"
command_args="-p ${pidfile} -c ${tayga_config}"
[ -z "$tayga_enable" ] && tayga_enable='YES'
tayga_start()
{
check_vars
"$command" $command_args
while ! ifconfig 'nat64'; do sleep 1; done
ifconfig 'nat64' inet "${tayga_ipv4_endpoint}/32" "${tayga_ipv4_addr}"
if [ ! -z "${tayga_group}" ] ; then ifconfig 'nat64' group ${tayga_group} ; fi
ifconfig 'nat64' inet6 "${tayga_ipv6_endpoint}/128"
#echo Add route 4
route -4 add "${tayga_ipv4_net}" -interface 'nat64'
#echo Add route 6 for endpoint from net
#route -6 add "${tayga_ipv6_endpoint}" -iface 'nat64' #-fib 0-7
route -6 add "${tayga_ipv6_net}" "${tayga_ipv6_endpoint}" #-fib 0-7
#echo Add route 6 for endpoint subnet
route -6 add "${tayga_ipv6_endpoint}/64" "${tayga_ipv6_endpoint}" #-fib 0-7
for prefix in ${tayga_v4_prefixes}
do
route add ${prefix} ${tayga_ipv4_addr} -fib 0-${max_fib}
done
}
tayga_stop()
{
if [ -n "$rc_pid" ]; then
check_vars
for prefix in tayga_v4_prefixes
do
route del ${prefix} ${tayga_ipv4_addr} -fib 0-${max_fib}
done
echo 'stopping tayga'
kill -2 "${rc_pid}"
route -6 del "${tayga_ipv6_net}" -interface 'nat64'
route -4 del "${tayga_ipv4_net}" -interface 'nat64'
ifconfig 'nat64' destroy
else
echo "${name} is not running."
fi
}
run_rc_command "$1"