Update DoH references, point to RFC 8484
DoH is now a standard, published as RFC 8484. This patch updates the
references to it accordingly.
Alberto Bertogli
3 years ago
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## Features
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* Supports the JSON-based protocol as implemented by
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* Supports the
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[DNS Queries over HTTPS (DoH)](https://en.wikipedia.org/wiki/DNS_over_HTTPS)
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standard ([RFC 8484](https://tools.ietf.org/html/rfc8484).
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* Supports the older JSON-based protocol as implemented by
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[dns.google](https://dns.google)
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([reference](https://developers.google.com/speed/public-dns/docs/dns-over-https)).
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* Supports the [DNS Queries over HTTPS
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(DoH)](https://tools.ietf.org/html/draft-ietf-doh-dns-over-https) proposed
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standard (and implemented by [Cloudflare's 1.1.1.1](https://1.1.1.1/)).
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* Local cache (optional).
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* HTTP(s) proxy support, autodetected from the environment.
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* Monitoring HTTP server, with exported variables and tracing to help
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// server via DNS over HTTPS.
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//
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// It supports two modes: JSON (like https://dns.google) and DoH
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// (https://tools.ietf.org/html/draft-ietf-doh-dns-over-https-12).
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// (https://en.wikipedia.org/wiki/DNS_over_HTTPS, RFC 8484).
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type httpsResolver struct {
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Upstream *url.URL
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CAFile string
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// https://developers.google.com/speed/public-dns/docs/dns-over-https#api_specification.
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// This is also implemented by Cloudflare's 1.1.1.1, as documented in:
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// https://developers.cloudflare.com/1.1.1.1/dns-over-https/json-format/.
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// - DNS Queries over HTTPS (DoH), as specified in:
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// https://tools.ietf.org/html/draft-ietf-doh-dns-over-https-12.
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// - DNS Queries over HTTPS (DoH), as specified in RFC 8484:
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// https://tools.ietf.org/html/rfc8484.
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package httpserver
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import (
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return false, errInvalidCD
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}
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// Resolve DNS over HTTPS requests, as specified in
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// https://tools.ietf.org/html/draft-ietf-doh-dns-over-https-12.
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// Resolve DNS over HTTPS requests, as specified in RFC 8484.
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func (s *Server) resolveDoH(tr trace.Trace, w http.ResponseWriter, dnsQuery []byte) {
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r := &dns.Msg{}
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err := r.Unpack(dnsQuery)
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