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Handle DNS Rcodes

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Daniel 2020-09-25 10:13:10 +02:00
parent 00de73d65e
commit 4e14439112
8 changed files with 53 additions and 22 deletions
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5
resolver/resolver-tcp.go
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@ -50,6 +50,7 @@ func (ifq *InFlightQuery) MakeCacheRecord(reply *dns.Msg) *RRCache {
return &RRCache{
Domain: ifq.Query.FQDN,
Question: ifq.Query.QType,
RCode: reply.Rcode,
Answer: reply.Answer,
Ns: reply.Ns,
Extra: reply.Extra,
@ -477,6 +478,10 @@ func (mgr *tcpResolverConnMgr) handleQueryResponse(conn *dns.Conn, msg *dns.Msg)
// persist to database
rrCache := inFlight.MakeCacheRecord(msg)
if !rrCache.Cacheable() {
return
}
rrCache.Clean(minTTL)
err := rrCache.Save()
if err != nil {