Update vendored dependencies (#147)

* Prepare readme for release

* Update vendored packages

* New version of dns dependency handles rejecting UPDATEs under the hood

* Go 1.11 required

.travis.yml

@@ -1,6 +1,5 @@
 language: go
 go:
- - 1.9
  - 1.11
 env:
  - "PATH=/home/travis/gopath/bin:$PATH"

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.9.2-alpine AS builder
+FROM golang:1.11.4-alpine3.8 AS builder
 LABEL maintainer="[email protected]"
 
 RUN apk add --update gcc musl-dev git

README.md

@@ -133,7 +133,7 @@ See the INSTALL section for information on how to do this.
 
 ## Installation
 
-1) Install [Go 1.9 or newer](https://golang.org/doc/install).
+1) Install [Go 1.11 or newer](https://golang.org/doc/install).
 
 2) Install acme-dns: `go get github.com/joohoi/acme-dns/...`. This will install acme-dns to `~/go/bin/acme-dns`.
 

dns.go

@@ -84,11 +84,7 @@ func (d *DNSServer) handleRequest(w dns.ResponseWriter, r *dns.Msg) {
 
  if r.Opcode == dns.OpcodeQuery {
  d.readQuery(m)
- } else if r.Opcode == dns.OpcodeUpdate {
- log.Debug("Refusing DNS Dynamic update request")
- m.MsgHdr.Rcode = dns.RcodeRefused
  }
-
  w.WriteMsg(m)
 }
 

dns_test.go

@@ -116,22 +116,6 @@ func TestEDNS(t *testing.T) {
  }
 }
 
-func TestOpcodeUpdate(t *testing.T) {
- msg := new(dns.Msg)
- msg.Id = dns.Id()
- msg.Question = make([]dns.Question, 1)
- msg.Question[0] = dns.Question{Name: dns.Fqdn("auth.example.org"), Qtype: dns.TypeANY, Qclass: dns.ClassINET}
- msg.MsgHdr.Opcode = dns.OpcodeUpdate
- in, err := dns.Exchange(msg, "127.0.0.1:15353")
- if err != nil || in == nil {
- t.Errorf("Encountered an error with UPDATE request")
- } else if err == nil {
- if in.Rcode != dns.RcodeRefused {
- t.Errorf("Expected RCODE Refused from UPDATE request, but got [%s] instead", dns.RcodeToString[in.Rcode])
- }
- }
-}
-
 func TestResolveCNAME(t *testing.T) {
  resolv := resolver{server: "127.0.0.1:15353"}
  expected := "cn.example.org. 3600 IN CNAME something.example.org."