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|
#!/bin/sh
# $FreeBSD$
#
# PROVIDE: dhcrelay
# REQUIRE: DAEMON
# KEYWORD: shutdown
#
# Add the following line to /etc/rc.conf to enable dhcrelay:
#
# dhcrelay_enable="YES"
# override these variables in /etc/rc.conf
dhcrelay_enable=${dhcrelay_enable:-"NO"}
dhcrelay6_enable=${dhcrelay6_enable:-"NO"}
# dhcrelay_flags="" # command option(s)
# dhcrelay_servers="" # v4 dhcrelay server(s)
# dhcrelay_ifaces="" # v4 ethernet interface(s)
# dhcrelay6_lowers="" # v6 "lower" network interface(s)
# dhcrelay6_uppers="" # v6 "upper" network interface(s)
case $0 in
/etc/rc*)
# during boot (shutdown) $0 is /etc/rc (/etc/rc.shutdown),
# so get the name of the script from $_file
name=$_file
;;
*)
name=$0
;;
esac
name=${name##*/isc-}
case ${name} in
*6)
ipversion=-6
;;
*)
ipversion=-4
;;
esac
dhcrelay_precmd ()
{
local ifaces _servers _ifaces
eval "_servers=\${${name}_servers}"
eval "_ifaces=\${${name}_ifaces}"
if [ -z "${_servers}" ]; then
err 1 "no ${name} server(s) configured."
fi
ifaces=
for iface in ${_ifaces}; do
ifaces="${ifaces} -i ${iface}"
done
rc_flags="${rc_flags} ${ipversion} ${ifaces} ${_servers}"
}
dhcrelay6_precmd ()
{
local lowers _lowers uppers _uppers
eval "_lowers=\${${name}_lowers}"
eval "_uppers=\${${name}_uppers}"
if [ -z "${_lowers}" ]; then
err 1 "no ${name} lower(s) configured."
fi
if [ -z "${_uppers}" ]; then
err 1 "no ${name} upper(s) configured."
fi
lowers=
for lower in ${_lowers}; do
lowers="${lowers} -l ${lower}"
done
uppers=
for upper in ${_uppers}; do
uppers="${uppers} -u ${upper}"
done
rc_flags="${rc_flags} ${ipversion} ${lowers} ${uppers}"
}
. /etc/rc.subr
rcvar=${name}_enable
command=%%PREFIX%%/sbin/dhcrelay
pidfile=/var/run/${name}.pid
start_precmd=${name}_precmd
load_rc_config ${name}
run_rc_command "$1"
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