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This commit is contained in:
Marcos Lilljedahl 2017-03-15 18:16:36 -03:00
parent 6fba4f3b3a
commit 712f019ffb
1 changed files with 18 additions and 0 deletions
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18
api.go
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@ -168,6 +168,23 @@ func handleDnsRequest(w dns.ResponseWriter, r *dns.Msg) {
} else {
if len(r.Question) > 0 {
question := r.Question[0].Name
if question == "localhost." {
log.Printf("Not a PWD host. Asked for [localhost.] returning automatically [127.0.0.1]\n")
m := new(dns.Msg)
m.SetReply(r)
m.Authoritative = true
m.RecursionAvailable = true
a, err := dns.NewRR(fmt.Sprintf("%s 60 IN A 127.0.0.1", question))
if err != nil {
log.Fatal(err)
}
m.Answer = append(m.Answer, a)
w.WriteMsg(m)
return
}
log.Printf("Not a PWD host. Looking up [%s]\n", question)
ips, err := net.LookupIP(question)
if err != nil {
// we have no information about this and we are not a recursive dns server, so we just fail so the client can fallback to the next dns server it has configured
@ -200,6 +217,7 @@ func handleDnsRequest(w dns.ResponseWriter, r *dns.Msg) {
return
} else {
log.Printf("Not a PWD host. Got DNS without any question\n")
// we have no information about this and we are not a recursive dns server, so we just fail so the client can fallback to the next dns server it has configured
w.Close()
// dns.HandleFailed(w, r)