- BUG FIX: preserving DNS RCode in Zabov responses (SetReply(query) resets it to RcodeSuccess)

Some DNS client (such as MS Windows) misbehave in case of always positive responses
master
bloved 1 year ago committed by Gitea
parent e5b8fbe53c
commit 7cb896ac59
  1. 4
      dns_client.go

@ -30,7 +30,9 @@ func ForwardQuery(query *dns.Msg, config string, nocache bool) *dns.Msg {
if !nocache {
if cached := GetDomainFromCache(lfqdn); cached != nil {
go incrementStats("CacheHit", 1)
Rcode := cached.MsgHdr.Rcode
cached.SetReply(query)
cached.MsgHdr.Rcode = Rcode
cached.Authoritative = true
if ZabovDebug {
log.Println("ForwardQuery: CacheHit")
@ -65,7 +67,9 @@ func ForwardQuery(query *dns.Msg, config string, nocache bool) *dns.Msg {
continue
} else {
go incrementStats(d, 1)
Rcode := in.MsgHdr.Rcode
in.SetReply(query)
in.MsgHdr.Rcode = Rcode
in.Authoritative = true
in.Compress = true
go DomainCache(lfqdn, in)

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