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