#!/usr/bin/env bash

set -e
set -u
set -x

function url() {
  echo "https://svc.joker.com/nic/update?username=$1&password=$2&hostname=$3"
}

IFS=':'
read -r user password < "${DDNS_CREDENTIALS:-/var/lib/ddns/credentials}"
unset IFS

curl_url=$(url "$user" "$password" bs.vpn.dadada.li)

curl -4 "$curl_url"
curl -6 "$curl_url"