93 lines
2.3 KiB
Bash
93 lines
2.3 KiB
Bash
#!/bin/sh
|
|
#
|
|
# $FreeBSD$
|
|
#
|
|
|
|
# PROVIDE: u6rd
|
|
# REQUIRE: SERVERS
|
|
# BEFORE: DAEMON
|
|
# KEYWORD: shutdown
|
|
|
|
u6rd_enable=${u6rd_enable:-"NO"}
|
|
u6rd_prefix=${u6rd_prefix:-""} # 6rd prefix from your ISP (prefix/len)
|
|
u6rd_relay_v4_addr=${u6rd_relay_v4_addr:-""} # 6rd relay router of your ISP
|
|
u6rd_my_v4_addr=${u6rd_my_v4_addr:-""} # Your global IPv4 address
|
|
u6rd_my_v6_addr=${u6rd_my_v6_addr:-""} # Your global IPv6 address (addr/len)
|
|
u6rd_defaultrouter=${u6rd_defaultrouter:-""}
|
|
u6rd_interface=${u6rd_interface:-"tun0"}
|
|
u6rd_interface_flags=${u6rd_interface_flags:-"inet6 -nud"}
|
|
u6rd_username=${u6rd_username:-"nobody"}
|
|
|
|
. /etc/rc.subr
|
|
|
|
name="u6rd"
|
|
rcvar=u6rd_enable
|
|
command="%%PREFIX%%/sbin/${name}"
|
|
pidfile="/var/run/${name}.pid"
|
|
|
|
start_precmd=start_precmd
|
|
stop_postcmd=stop_postcmd
|
|
|
|
get_plen()
|
|
{
|
|
local prefix plen
|
|
prefix="$1"
|
|
plen=$(expr "${prefix}" : '.*/\([0-9]*\)')
|
|
if [ -z "${plen}" ]; then
|
|
plen=64
|
|
fi
|
|
echo ${plen}
|
|
}
|
|
|
|
plen_equal()
|
|
{
|
|
if [ -z "$1" -o -z "$2" ]; then
|
|
return 1
|
|
fi
|
|
if [ $(get_plen "$1") -ne $(get_plen "$2") ]; then
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
start_precmd()
|
|
{
|
|
ifconfig ${u6rd_interface} create
|
|
ifconfig ${u6rd_interface} inet6 -ifdisabled >/dev/null 2>&1
|
|
if [ -n "${u6rd_interface_flags}" ]; then
|
|
ifconfig ${u6rd_interface} ${u6rd_interface_flags}
|
|
fi
|
|
if [ -n "${u6rd_my_v6_addr}" ]; then
|
|
ifconfig ${u6rd_interface} inet6 ${u6rd_my_v6_addr}
|
|
fi
|
|
if [ -n "${u6rd_fib}" ]; then
|
|
ifconfig ${u6rd_interface} fib ${u6rd_fib}
|
|
fi
|
|
ifconfig ${u6rd_interface} up
|
|
if ! plen_equal ${u6rd_prefix} ${u6rd_my_v6_addr}; then
|
|
route delete -inet6 ${u6rd_prefix} ${route_fib} >/dev/null 2>&1
|
|
route add -inet6 ${u6rd_prefix} ::1 -ifp ${u6rd_interface} ${route_fib}
|
|
fi
|
|
if [ -n "${u6rd_defaultrouter}" ]; then
|
|
route delete -inet6 default ${route_fib} >/dev/null 2>&1
|
|
route add -inet6 default ${u6rd_defaultrouter} ${route_fib}
|
|
fi
|
|
}
|
|
|
|
stop_postcmd()
|
|
{
|
|
if [ -n "${u6rd_defaultrouter}" ]; then
|
|
route delete -inet6 default ${route_fib}
|
|
fi
|
|
if ! plen_equal ${u6rd_prefix} ${u6rd_my_v6_addr}; then
|
|
route delete -inet6 ${u6rd_prefix} ${route_fib}
|
|
fi
|
|
ifconfig ${u6rd_interface} destroy
|
|
}
|
|
|
|
load_rc_config ${name}
|
|
command_args="-u ${u6rd_username} ${u6rd_interface} ${u6rd_prefix} ${u6rd_relay_v4_addr} ${u6rd_my_v4_addr}"
|
|
if [ -n "${u6rd_fib}" ]; then
|
|
route_fib="-fib ${u6rd_fib}"
|
|
fi
|
|
run_rc_command "$1"
|