etc/rc.d/dhclient

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