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Dynamic DNS client for namecheap

License: MIT License

Go 83.44% Dockerfile 8.69% Shell 7.87%

ddns ddns-client domain dynamic-dns namecheap

namecheap-ddns-docker's Introduction

Hi there, I'm Navratan Lal Gupta 👋

I'm a DevOps Engineer, Developer and a Linux Enthusiast !

❤️ Linux and 🤝 Open Source Projects
🔭 Follow me on Medium for technical articles - Linux Shots.

👯 I’m looking to contribute to Open Source projects.
⚡ I love teaching, travelling, binge-coding and watching movies.
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namecheap-ddns-docker's Issues

Wrong requests contain error message and return status code 200

I've noticed the following code:

// req.Header.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*")
	// req.Header.Add("Accept-Encoding", "gzip, deflate, br")
	// req.Header.Add("Connection", "keep-alive")

	response, err := apiclient.Do(req)
	if err != nil {
		// fmt.Println(2, err.Error())
		return err
	}

	defer response.Body.Close()

	if response.StatusCode != 200 {
		return &CustomError{ErrorCode: response.StatusCode, Err: errors.New(response.Status)}
	}

It expects to have a HTTP status different than 200 when having an error. Yet, that's not the case. They are sending a XML payload with the error under 200.

<?xml version="1.0" encoding="utf-16"?>
<interface-response>
  <Command>SETDNSHOST</Command>
  <Language>eng</Language>
  <ErrCount>1</ErrCount>
  <errors>
    <Err1>Passwords do not match</Err1>
  </errors>
  <ResponseCount>1</ResponseCount>
  <responses>
    <response>
      <Description>Passwords do not match</Description>
      <ResponseNumber>304156</ResponseNumber>
      <ResponseString>Validation error; invalid ; password</ResponseString>
    </response>
  </responses>
  <Done>true</Done>
  <debug><![CDATA[]]></debug>
</interface-response>

Being able to parse this would help logging.

Update public ip getter

If pubIp is empty, it updates ip with private ip in dns record

Timeout the pubIp env variable set in container

Currently when IP address is set in namecheap, ncddns sets an env variable in current container so that it can compare the next time with current public IP. It prints the message "DNS record is same as current IP" if current public IP and env variable set is same.

This may not work if someone changes the IP address of a dns from namecheap dashboard unless container is restarted again. To avoid this, We can have a timeout set for env variable set, after which it should be wiped out so that fresh attempt to add ip address is made by ncddns.

Logger prints same ip as previous and updated

Feature request: Multiple hosts

I have a few subdomains all pointing to my homelab. It would be useful if I could provide multiple hosts, and update them all at once.

For example:

docker run --name server.example.com -d --restart unless-stopped -e NC_HOST='server,another,third' -e NC_DOMAIN='example.com' -e NC_PASS='DynamicDDNSPa2w0rd' linuxshots/namecheap-ddns

and the expected result is that server.example.com, another.example.com and third.example.com should now point to my current IP. My workaround for now is to run 5-6 copies, but this calls getPubIP more than necessary.