etc/rc.d/dhclient

   1 #!/bin/sh
   2 #
   3 # $NetBSD: dhclient,v 1.8 2002/03/22 04:33:58 thorpej Exp $
   4 # $FreeBSD: src/etc/rc.d/dhclient,v 1.6 2003/06/29 05:34:41 mtm Exp $
   5 # $DragonFly: src/etc/rc.d/dhclient,v 1.5 2004/01/26 17:21:15 rob Exp $
   6 #
   7
   8 # PROVIDE: dhclient
   9 # REQUIRE: network netif mountcritlocal
  10 # BEFORE:  NETWORKING
  11 # KEYWORD: DragonFly
  12 #
  13 #       Note that there no syslog logging of dhclient messages at boot because
  14 #       dhclient needs to start before services that syslog depends upon do.
  15 #
  16
  17 . /etc/rc.subr
  18 . /etc/network.subr
  19
  20 name="dhclient"
  21 pidfile="/var/run/${name}.pid"
  22         rcvar=
  23         start_precmd="dhclient_prestart"
  24         start_postcmd="dhclient_poststart"
  25         stop_cmd="dhclient_stop"
  26         stop_precmd="dhclient_prestop"
  27         stop_postcmd="dhclient_poststop"
  28
  29
  30 dhclient_common()
  31 {
  32         dhcp_list="`list_net_interfaces dhcp`"
  33         if [ -z "$dhcp_list" ]; then
  34                 return $RC_IRRELEVANT
  35         fi
  36
  37         # Determine the scope of the command
  38         #
  39         _cooked_list="$dhcp_list"
  40         if [ -n "$_cmdifn" ]; then
  41                 eval _cooked_list=\"`expr "$dhcp_list" : ".*\($_cmdifn\).*"`\"
  42                 if [ -z "$_cooked_list" ]; then
  43                         err "No such network interface: $_cmdifn"
  44                         return 1
  45                 fi
  46         fi
  47 }
  48
  49 dhclient_prestart()
  50 {
  51         dhclient_common || return $?
  52
  53         for ifn in ${_cooked_list}; do
  54                 ifscript_up ${ifn}
  55         done
  56
  57         rc_flags="${rc_flags} ${_cooked_list}"
  58         return 0
  59 }
  60
  61 dhclient_poststart()
  62 {
  63         for ifn in ${_cooked_list}; do
  64                 ifalias_up ${ifn}
  65                 ipx_up ${ifn}
  66                 ifconfig ${ifn}
  67         done
  68 }
  69
  70 dhclient_stop()
  71 {
  72         echo -n "Releasing DHCP leases:"
  73         for ifn in $_cooked_list ; do
  74                 ${command} -r $ifn
  75                 if [ $? -eq 0 ]; then
  76                         echo -n " $ifn"
  77                 else
  78                         _fail="$_fail $ifn"
  79                 fi
  80         done
  81         echo '.'
  82         debug "The following leases failed to release: $_fail"
  83 }
  84
  85 dhclient_prestop()
  86 {
  87         dhclient_common || return $?
  88
  89         for ifn in ${_cooked_list}; do
  90                 ipx_down ${ifn}
  91                 ifalias_down ${ifn}
  92         done
  93 }
  94
  95 dhclient_poststop()
  96 {
  97         for ifn in ${_cooked_list}; do
  98                 ifscript_down ${ifn}
  99         done
 100 }
 101
 102 if [ -n "$2" ]; then
 103         _cmdifn="$2"
 104 fi
 105
 106 load_rc_config $name
 107
 108 run_rc_command "$1"