freebsd-dev/etc/rc.d/dhclient

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: dhclient
# KEYWORD: nojail nostart
. /etc/rc.subr
. /etc/network.subr
ifn="$2"
name="dhclient"
desc="Dynamic Host Configuration Protocol (DHCP) client"
rcvar=
pidfile="/var/run/${name}.${ifn}.pid"
start_precmd="dhclient_prestart"
stop_precmd="dhclient_pre_check"
# rc_force check can only be done at the run_rc_command
# time, so we're testing it in the pre* hooks.
dhclient_pre_check()
{
if [ -z "${rc_force}" ] && ! dhcpif $ifn; then
local msg
msg="'$ifn' is not a DHCP-enabled interface"
if [ -z "${rc_quiet}" ]; then
echo "$msg"
else
debug "$msg"
fi
exit 1
fi
}
dhclient_prestart()
{
dhclient_pre_check
# Interface-specific flags (see rc.subr for $flags setting)
specific=$(get_if_var $ifn dhclient_flags_IF)
if [ -z "$flags" -a -n "$specific" ]; then
rc_flags=$specific
fi
background_dhclient=$(get_if_var $ifn background_dhclient_IF $background_dhclient)
if checkyesno background_dhclient; then
rc_flags="${rc_flags} -b"
fi
rc_flags="${rc_flags} ${ifn}"
}
load_rc_config $name
load_rc_config network
if [ -z $ifn ] ; then
# only complain if a command was specified but no interface
if [ -n "$1" ] ; then
err 1 "$0: no interface specified"
fi
fi
run_rc_command "$1"