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Code Issues Releases Wiki Activity

send IPv6 query only to supported server.

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Darien Raymond 2017-11-19 20:42:34 +01:00
parent 878d412c6a
commit 8fb69fc2b6
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GPG Key ID: 7251FFA14BB18169
1 changed files with 11 additions and 3 deletions
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14
app/dns/server/nameserver.go
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@ -22,6 +22,12 @@ const (
var (
pseudoDestination = net.UDPDestination(net.LocalHostIP, net.Port(53))
multiQuestionDns = map[net.Address]bool{
net.IPAddress([]byte{8, 8, 8, 8}): true,
net.IPAddress([]byte{8, 8, 4, 4}): true,
net.IPAddress([]byte{9, 9, 9, 9}): true,
}
)
type ARecord struct {
@ -150,12 +156,14 @@ func (v *UDPNameServer) BuildQueryA(domain string, id uint16) *buf.Buffer {
Name: dns.Fqdn(domain),
Qtype: dns.TypeA,
Qclass: dns.ClassINET,
},
{
}}
if multiQuestionDns[v.address.Address] {
msg.Question = append(msg.Question, dns.Question{
Name: dns.Fqdn(domain),
Qtype: dns.TypeAAAA,
Qclass: dns.ClassINET,
}}
})
}
buffer := buf.New()
common.Must(buffer.Reset(func(b []byte) (int, error) {