examples/udhcp/simple.script

   1 #!/bin/sh
   2
   3 # udhcpc script edited by Tim Riker <Tim@Rikers.org>
   4
   5 [ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
   6
   7 RESOLV_CONF="/etc/resolv.conf"
   8 NETMASK=""
   9 [ -n "$subnet" ] && NETMASK="netmask $subnet"
  10 BROADCAST="broadcast +"
  11 [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
  12
  13 case "$1" in
  14         deconfig)
  15                 echo "Setting IP address 0.0.0.0 on $interface"
  16                 ifconfig $interface 0.0.0.0
  17                 ;;
  18
  19         renew|bound)
  20                 echo "Setting IP address $ip on $interface"
  21                 ifconfig $interface $ip $NETMASK $BROADCAST
  22
  23                 if [ -n "$router" ] ; then
  24                         echo "Deleting routers"
  25                         while route del default gw 0.0.0.0 dev $interface ; do
  26                                 :
  27                         done
  28
  29                         metric=0
  30                         for i in $router ; do
  31                                 echo "Adding router $i"
  32                                 route add default gw $i dev $interface metric $((metric++))
  33                         done
  34                 fi
  35
  36                 echo "Recreating $RESOLV_CONF"
  37                 echo -n > $RESOLV_CONF-$$
  38                 [ -n "$domain" ] && echo search $domain >> $RESOLV_CONF-$$
  39                 for i in $dns ; do
  40                         echo " Adding DNS server $i"
  41                         echo nameserver $i >> $RESOLV_CONF-$$
  42                 done
  43                 mv $RESOLV_CONF-$$ $RESOLV_CONF
  44                 ;;
  45 esac
  46
  47 exit 0