openwrt/package/base-files/default/usr/share/udhcpc/default.script

   1 #!/bin/sh
   2 # udhcpc script edited by Tim Riker <Tim@Rikers.org>
   3 # (slightly modified for OpenWrt)
   4
   5 [ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
   6
   7 RESOLV_CONF="/tmp/resolv.conf"
   8
   9 case "$1" in
  10         deconfig)
  11                 ifconfig $interface 0.0.0.0
  12                 ;;
  13
  14         renew|bound)
  15                 ifconfig $interface $ip \
  16                 netmask ${subnet:-255.255.255.0} \
  17                 broadcast ${broadcast:-+}
  18
  19                 if [ -n "$router" ] ; then
  20                         echo "deleting routers"
  21                         while route del default gw 0.0.0.0 dev $interface ; do
  22                                 :
  23                         done
  24
  25                         for i in $router ; do
  26                                 route add default gw $i dev $interface
  27                         done
  28                 fi
  29
  30                 echo -n > $RESOLV_CONF
  31                 ${domain:+echo search $domain} >> $RESOLV_CONF
  32                 for i in $dns ; do
  33                         echo adding dns $i
  34                         echo nameserver $i >> $RESOLV_CONF
  35
  36                 # user rules
  37                 [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
  38
  39                 done
  40                 ;;
  41 esac
  42 exit 0