DD-WRT PPPoE DNS Fix

#!/bin/sh
##################################################################
## Certain DD-WRT seem to append user DNS with ISP provided DNS ##
## Which has priority over user DNS. This script fixes this.    ##
##################################################################

nvram get wan_dns | awk 'BEGIN{FS=" "}{for (i=1; i<=NF; i++) printf "nameserver %s", $i; }' > /tmp/resolv.dnsmasq
killall dnsmasq
dnsmasq --conf-file=/tmp/dnsmasq.conf