etc/rc.d/dhclient

   1 #!/bin/sh
   2 #
   3 # $NetBSD: dhclient,v 1.8 2002/03/22 04:33:58 thorpej Exp $
   4 # $FreeBSD$
   5 #
   6
   7 # PROVIDE: dhclient
   8 # KEYWORD: nojail nostart
   9 #
  10
  11 . /etc/rc.subr
  12 . /etc/network.subr
  13
  14 name="dhclient"
  15 rcvar=
  16 start_cmd="dhclient_start"
  17 stop_cmd="dhclient_stop"
  18
  19 dhclient_start()
  20 {
  21         # prevent unnecessary restarts
  22         # XXX: should use a pidfile
  23         if [ -x /usr/bin/pgrep ]; then
  24                 pids=`/usr/bin/pgrep -f "dhclient: $ifn(\$| .*)"`
  25                 if [ -n "$pids" ]; then
  26                         exit 0
  27                 fi
  28         fi
  29
  30         # Override for $ifn specific flags (see rc.subr for $flags setting)
  31         eval specific=\$dhclient_flags_$ifn
  32         if [ -z "$flags" -a -n "$specific" ]; then
  33                 rc_flags=$specific
  34         fi
  35
  36         eval specific=\$background_dhclient_$ifn
  37         if [ -n "$specific" ]; then
  38                 if checkyesno background_dhclient_$ifn; then
  39                         rc_flags="${rc_flags} -b"
  40                 fi
  41         elif checkyesno background_dhclient; then
  42                 rc_flags="${rc_flags} -b"
  43         fi
  44
  45         ${dhclient_program} ${rc_flags} $ifn
  46 }
  47
  48 dhclient_stop()
  49 {
  50         ifconfig $ifn down      # cause dhclient to die
  51 }
  52
  53 ifn="$2"
  54
  55 load_rc_config $name
  56
  57 if ! dhcpif $ifn; then
  58         return 1
  59 fi
  60
  61 run_rc_command "$1"