From 69ced53a26d920fa105a0f2f6e68b7adf9f0567a Mon Sep 17 00:00:00 2001
From: dadada <dadada@dadada.li>
Date: Sun, 2 May 2021 16:31:17 +0200
Subject: [PATCH] add ddns helper script

---
 bin/ddns | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 bin/ddns

diff --git a/bin/ddns b/bin/ddns
new file mode 100755
index 0000000..3b90fe4
--- /dev/null
+++ b/bin/ddns
@@ -0,0 +1,18 @@
+#!/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"