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Merge pull request #49 from Yannik/patch-1

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return cname if requested RR was not found and cname exists (fixes #48)
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Joona Hoikkala 2018-03-13 10:42:44 +02:00 committed by GitHub
commit 978ac5d62b
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1 changed files with 5 additions and 1 deletions
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6
dns.go
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@ -52,7 +52,11 @@ func answer(q dns.Question) ([]dns.RR, int, error) {
var rtype = q.Qtype var rtype = q.Qtype
r, ok := RR.Records[rtype][domain] r, ok := RR.Records[rtype][domain]
if !ok { if !ok {
rcode = dns.RcodeNameError r, ok = RR.Records[dns.TypeCNAME][domain]
if !ok {
rcode = dns.RcodeNameError
}
} }
log.WithFields(log.Fields{"qtype": dns.TypeToString[rtype], "domain": domain, "rcode": dns.RcodeToString[rcode]}).Debug("Answering question for domain") log.WithFields(log.Fields{"qtype": dns.TypeToString[rtype], "domain": domain, "rcode": dns.RcodeToString[rcode]}).Debug("Answering question for domain")
return r, rcode, nil return r, rcode, nil