#!/bin/sh # udhcpc script edited by Tim Riker RESOLV_CONF="/etc/resolv.conf" [ -n "$1" ] || { echo "Error: should be called from udhcpc"; exit 1; } NETMASK="" [ -n "$subnet" ] && NETMASK="netmask $subnet" BROADCAST="broadcast +" [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast" case "$1" in deconfig) echo "Setting IP address 0.0.0.0 on $interface" ifconfig $interface 0.0.0.0 ;; renew|bound) echo "Setting IP address $ip on $interface" ifconfig $interface $ip $NETMASK $BROADCAST if [ -n "$router" ] ; then echo "Deleting routers" while route del default gw 0.0.0.0 dev $interface ; do : done metric=0 for i in $router ; do echo "Adding router $i" route add default gw $i dev $interface metric $metric : $(( metric += 1 )) done fi echo "Recreating $RESOLV_CONF" # If the file is a symlink somewhere (like /etc/resolv.conf # pointing to /run/resolv.conf), make sure things work. realconf=$(realpath "$RESOLV_CONF" 2>/dev/null || echo "$RESOLV_CONF") tmpfile="$realconf-$$" > "$tmpfile" [ -n "$domain" ] && echo "search $domain" >> "$tmpfile" for i in $dns ; do echo " Adding DNS server $i" echo "nameserver $i" >> "$tmpfile" done mv "$tmpfile" "$realconf" ;; esac exit 0