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#!/bin/sh
#
# $NetBSD: dhclient,v 1.8 2002/03/22 04:33:58 thorpej Exp $
# $FreeBSD$
#
# PROVIDE: dhclient
# REQUIRE: netif ipfw ipfilter mountcritlocal
# BEFORE: NETWORKING
# KEYWORD: FreeBSD nojail
#
# Note that there no syslog logging of dhclient messages at boot because
# dhclient needs to start before services that syslog depends upon do.
#
. /etc/rc.subr
. /etc/network.subr
name="dhclient"
rcvar=
pidfile="/var/run/${name}.pid"
start_precmd="dhclient_prestart"
start_postcmd="dhclient_poststart"
stop_precmd="dhclient_prestop"
stop_postcmd="dhclient_poststop"
dhclient_common()
{
dhcp_list="`list_net_interfaces dhcp`"
if [ -z "$dhcp_list" ]; then
return 1
fi
# Determine the scope of the command
#
_cooked_list="$dhcp_list"
if [ -n "$_cmdifn" ]; then
eval _cooked_list=\"`expr "$dhcp_list" : ".*\($_cmdifn\).*"`\"
if [ -z "$_cooked_list" ]; then
err 1 "No such network interface: $_cmdifn"
fi
fi
}
dhclient_prestart()
{
if [ $dhclient_common_error -eq 1 ]; then
return 1
fi
for ifn in ${_cooked_list}; do
ifscript_up ${ifn}
done
if checkyesno background_dhclient; then
rc_flags="${rc_flags} -nw"
fi
rc_flags="${rc_flags} ${_cooked_list}"
return 0
}
dhclient_poststart()
{
for ifn in ${_cooked_list}; do
ifalias_up ${ifn}
ipx_up ${ifn}
ifconfig ${ifn}
done
}
dhclient_prestop()
{
if [ $dhclient_common_error -eq 1 ]; then
return 1
fi
for ifn in ${_cooked_list}; do
ipx_down ${ifn}
ifalias_down ${ifn}
done
echo -n "Releasing DHCP leases:"
for ifn in $_cooked_list ; do
${command} -r $ifn
if [ $? -eq 0 ]; then
echo -n " $ifn"
else
_fail="$_fail $ifn"
fi
done
echo '.'
debug "The following leases failed to release: $_fail"
}
dhclient_poststop()
{
for ifn in ${_cooked_list}; do
ifscript_down ${ifn}
done
}
if [ -n "$2" ]; then
_cmdifn="$2"
stop_cmd=":"
fi
load_rc_config $name
dhclient_common_error=0
dhclient_common || dhclient_common_error=1;
if [ -n "$_cooked_list" ]; then
if [ -s $pidfile ]; then
stop_cmd=":"
fi
fi
run_rc_command "$1"
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