#!/bin/sh # udhcpc script edited by Tim Riker [ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1 RESOLV_CONF="/etc/resolv.conf" [ -e $RESOLV_CONF ] || touch $RESOLV_CONF [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast" [ -n "$subnet" ] && NETMASK="netmask $subnet" case "$1" in deconfig) /sbin/ifconfig $interface up /sbin/ifconfig $interface 0.0.0.0 # drop info from this interface # resolv.conf may be a symlink to /tmp/, so take care TMPFILE=$(mktemp) grep -vE "# $interface\$" $RESOLV_CONF > $TMPFILE cat $TMPFILE > $RESOLV_CONF rm -f $TMPFILE if [ -x /usr/sbin/avahi-autoipd ]; then /usr/sbin/avahi-autoipd -k $interface fi ;; leasefail|nak) if [ -x /usr/sbin/avahi-autoipd ]; then /usr/sbin/avahi-autoipd -wD $interface --no-chroot fi ;; renew|bound) if [ -x /usr/sbin/avahi-autoipd ]; then /usr/sbin/avahi-autoipd -k $interface fi /sbin/ifconfig $interface $ip $BROADCAST $NETMASK if [ -n "$router" ] ; then echo "deleting routers" while route del default gw 0.0.0.0 dev $interface 2> /dev/null; do : done for i in $router ; do route add default gw $i dev $interface done fi # drop info from this interface # resolv.conf may be a symlink to /tmp/, so take care TMPFILE=$(mktemp) grep -vE "# $interface\$" $RESOLV_CONF > $TMPFILE cat $TMPFILE > $RESOLV_CONF rm -f $TMPFILE # prefer rfc3359 domain search list (option 119) if available if [ -n "$search" ]; then search_list=$search elif [ -n "$domain" ]; then search_list=$domain fi [ -n "$search_list" ] && echo "search $search_list # $interface" >> $RESOLV_CONF for i in $dns ; do echo adding dns $i echo "nameserver $i # $interface" >> $RESOLV_CONF done ;; esac HOOK_DIR="$0.d" for hook in "${HOOK_DIR}/"*; do [ -f "${hook}" -a -x "${hook}" ] || continue "${hook}" "${@}" done exit 0