etc/rc.d/defaultroute

   1 #!/bin/sh
   2 #
   3 # Wait for the default route to be up
   4 #
   5 # $FreeBSD$
   6 #
   7
   8 # PROVIDE: defaultroute
   9 # REQUIRE: devd netif network_ipv6
  10 # KEYWORD: nojail
  11
  12 . /etc/rc.subr
  13 . /etc/network.subr
  14
  15 name="defaultroute"
  16 start_cmd="defaultroute_start"
  17 stop_cmd=":"
  18
  19 defaultroute_start()
  20 {
  21         local output carrier nocarrier
  22
  23         # Return without waiting if we don't have dhcp interfaces or
  24         # if none of the dhcp interfaces is plugged in.
  25         dhcp_interfaces=`list_net_interfaces dhcp`
  26         [ -z "${dhcp_interfaces}" ] && return
  27         carrier=false
  28         for _if in ${dhcp_interfaces}; do
  29                 output=`/sbin/ifconfig ${_if}`
  30                 nocarrier=`expr "${output}" : '.*[[:blank:]]status: \(no carrier\)'`
  31                 [ -z "${nocarrier}" ] && carrier=true
  32         done
  33         if ! ${carrier}; then
  34                 return
  35         fi
  36
  37         # Wait for a default route
  38         delay=${defaultroute_delay}
  39         while [ ${delay} -gt 0 ]; do
  40                 defif=`get_default_if -inet`
  41                 if [ -n "${defif}" ]; then
  42                         if [ ${delay} -ne ${defaultroute_delay} ]; then
  43                                 echo -n "($defif)"
  44                         fi
  45                         break
  46                 fi
  47                 if [ ${delay} -eq ${defaultroute_delay} ]; then
  48                         echo -n "Waiting ${delay}s for the default route interface: "
  49                 else
  50                         echo -n .
  51                 fi
  52                 sleep 1
  53                 delay=`expr $delay - 1`
  54         done
  55
  56         echo
  57 }
  58
  59 load_rc_config $name
  60 run_rc_command "$1"