#!/bin/bash
((EUID == 0 )) || { echo "Need root"; exit 1; }
set -euo pipefail

tmp=$(mktemp)
trap "/bin/rm -f ${tmp}" EXIT SIGHUP SIGINT SIGTERM

curl -sSfo ${tmp}  http://someonewhocares.org/hosts/zero/hosts
sed -i  '0,/#<\/localhost>/d' ${tmp}
grep -E '^[0#]+' ${tmp} > /etc/hosts.ban
systemctl reload dnsmasq.service