mokhtar/local-ip.sh
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properly handle SOA

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m5r 2022-10-30 00:41:08 +02:00
parent 2c3b07c2c6
commit a80036b3c1
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GPG Key ID: 5BC847276DD5DDEA
1 changed files with 12 additions and 3 deletions
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15
xip/xip.go
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@ -127,7 +127,12 @@ func (xip *Xip) fqdnToA(fqdn string) []*dns.A {
} }
} }
return []*dns.A{} return nil
}
func (xip *Xip) nonExistentDomain(question dns.Question, message *dns.Msg) {
message.Rcode = dns.RcodeNameError
message.Ns = append(message.Ns, xip.SOARecord(question))
} }
func (xip *Xip) handleA(question dns.Question, message *dns.Msg) { func (xip *Xip) handleA(question dns.Question, message *dns.Msg) {
@ -135,8 +140,7 @@ func (xip *Xip) handleA(question dns.Question, message *dns.Msg) {
records := xip.fqdnToA(fqdn) records := xip.fqdnToA(fqdn)
if len(records) == 0 { if len(records) == 0 {
message.Rcode = dns.RcodeNameError xip.nonExistentDomain(question, message)
message.Ns = append(message.Ns, xip.SOARecord(question))
return return
} }
@ -177,6 +181,7 @@ func (xip *Xip) handleNS(question dns.Question, message *dns.Msg) {
func (xip *Xip) handleTXT(question dns.Question, message *dns.Msg) { func (xip *Xip) handleTXT(question dns.Question, message *dns.Msg) {
fqdn := question.Name fqdn := question.Name
if hardcodedRecords[strings.ToLower(fqdn)].TXT == nil { if hardcodedRecords[strings.ToLower(fqdn)].TXT == nil {
xip.nonExistentDomain(question, message)
return return
} }
@ -195,6 +200,7 @@ func (xip *Xip) handleTXT(question dns.Question, message *dns.Msg) {
func (xip *Xip) handleMX(question dns.Question, message *dns.Msg) { func (xip *Xip) handleMX(question dns.Question, message *dns.Msg) {
fqdn := question.Name fqdn := question.Name
if hardcodedRecords[strings.ToLower(fqdn)].MX == nil { if hardcodedRecords[strings.ToLower(fqdn)].MX == nil {
xip.nonExistentDomain(question, message)
return return
} }
@ -216,6 +222,7 @@ func (xip *Xip) handleMX(question dns.Question, message *dns.Msg) {
func (xip *Xip) handleCNAME(question dns.Question, message *dns.Msg) { func (xip *Xip) handleCNAME(question dns.Question, message *dns.Msg) {
fqdn := question.Name fqdn := question.Name
if hardcodedRecords[strings.ToLower(fqdn)].CNAME == nil { if hardcodedRecords[strings.ToLower(fqdn)].CNAME == nil {
xip.nonExistentDomain(question, message)
return return
} }
@ -280,6 +287,8 @@ func (xip *Xip) handleQuery(message *dns.Msg) {
xip.handleCNAME(question, message) xip.handleCNAME(question, message)
case dns.TypeSOA: case dns.TypeSOA:
xip.handleSOA(question, message) xip.handleSOA(question, message)
default:
xip.handleSOA(question, message)
} }
} }
} }