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 ifn="$2"
  13
  14 name="dhclient"
  15 rcvar=
  16 pidfile="/var/run/${name}.${ifn}.pid"
  17 start_precmd="dhclient_prestart"
  18 stop_precmd="dhclient_pre_check"
  19
  20 # rc_force check can only be done at the run_rc_command
  21 # time, so we're testing it in the pre* hooks.
  22 dhclient_pre_check()
  23 {
  24         if [ -z "${rc_force}" ] && ! dhcpif $ifn; then
  25                 local msg
  26                 msg="'$ifn' is not a DHCP-enabled interface"
  27                 if [ -z "${rc_quiet}" ]; then
  28                         echo "$msg"
  29                 else
  30                         debug "$msg"
  31                 fi
  32                         exit 1
  33         fi
  34 }
  35
  36 dhclient_prestart()
  37 {
  38         dhclient_pre_check
  39
  40         # Interface-specific flags (see rc.subr for $flags setting)
  41         specific=$(get_if_var $ifn dhclient_flags_IF)
  42         if [ -z "$flags" -a -n "$specific" ]; then
  43                 rc_flags=$specific
  44         fi
  45
  46         background_dhclient=$(get_if_var $ifn background_dhclient_IF $background_dhclient)
  47         if checkyesno background_dhclient; then
  48                 rc_flags="${rc_flags} -b"
  49         fi
  50
  51         rc_flags="${rc_flags} ${ifn}"
  52 }
  53
  54 load_rc_config $name
  55 load_rc_config network
  56
  57 if [ -z $ifn ] ; then
  58         # only complain if a command was specified but no interface
  59         if [ -n "$1" ] ; then
  60                 err 1 "$0: no interface specified"
  61         fi
  62 fi
  63
  64 run_rc_command "$1"