37 lines
775 B
Go
37 lines
775 B
Go
package core
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import (
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"net"
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"github.com/miekg/dns"
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"github.com/outout14/sacrebleu-dns/utils"
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)
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//HandleDNSRequest : Handle the DNS request using miekg/dns
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//Requires dns.ReponseWriter and dns.Msg args
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func HandleDNSRequest(w dns.ResponseWriter, r *dns.Msg, conf *utils.Conf) {
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//dns.Msg object
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//Will be passed to the parseQuery() function
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m := new(dns.Msg)
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m.SetReply(r)
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m.Compress = false
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ip, _, _ := net.SplitHostPort(w.RemoteAddr().String())
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if r.Question[0].Qtype == dns.TypeAXFR {
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if utils.XfrAllowed(ip, conf) {
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parseAXFR(m)
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} else {
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m := new(dns.Msg)
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m.SetRcode(r, dns.RcodeRefused)
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w.WriteMsg(m)
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}
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} else if r.Opcode == dns.OpcodeQuery { //Only respond to dns queries
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parseQuery(m)
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}
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w.WriteMsg(m) //Write the DNS response
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}
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