From 87a5e2150c88fa703176e89a74de41016b9e7e64 Mon Sep 17 00:00:00 2001
From: Henrik Bakken <bakken.henrik@gmail.com>
Date: Wed, 4 Sep 2024 21:18:42 +0200
Subject: [PATCH] router ddns

---
 router.md | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 router.md

diff --git a/router.md b/router.md
new file mode 100644
index 0000000..afb5c87
--- /dev/null
+++ b/router.md
@@ -0,0 +1,27 @@
+# Asus merlin ddns
+
+link: https://github.com/RMerl/asuswrt-merlin.ng/wiki/Custom-DDNS
+
+path: `/jffs/scripts`
+
+```
+#!/bin/sh
+# source: https://github.com/RMerl/asuswrt-merlin.ng/wiki/DDNS-Sample-Scripts#cloudflare
+
+CLOUDFLARE_API_TOKEN='...'
+DNS_ZONE_ID='...'
+DNS_RECORD_ID='...'
+DNS_RECORD_NAME='mothership.hjarl.com'
+IP=${1}
+
+curl -fs -o /dev/null -X PUT "https://api.cloudflare.com/client/v4/zones/$DNS_ZONE_ID/dns_records/$DNS_RECORD_ID" \
+  -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
+  -H "Content-Type: application/json" \
+  --data "{\"type\":\"A\",\"name\":\"$DNS_RECORD_NAME\",\"content\":\"$IP\",\"ttl\":1,\"proxied\":false}"
+
+if [ $? -eq 0 ]; then
+  /sbin/ddns_custom_updated 1
+else
+  /sbin/ddns_custom_updated 0
+fi
+```