router ddns

router.md

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+# 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
+```