#!/bin/bash
# ns-update script - ghimire
# This script adds the darknet nameservers to /etc/resolv.conf and removes them upon disconnect
# It is passed as an up/down arguments in openvpn client config
case $script_type in
up)
        if [[ $(whoami) != "root" ]]; then
                echo -e "You need to be root!";
        else
                export DNET_NS1='50.2.0.1' &&  export DNET_NS2='50.3.0.1' && grep -v \ 50\. /etc/resolv.conf | sed '0,/^\(.*\)/s//nameserver '${DNET_NS1}'\nnameserver '${DNET_NS2}'\n\1/' > /tmp/.$$; mv /tmp/.$$ /etc/resolv.conf
        fi
        ;;
down)
        grep -v \ 50\. /etc/resolv.conf > /tmp/.$$; mv /tmp/.$$ /etc/resolv.conf
        ;;
esac