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9bc0ca4618
Defined a new type Xfr which holds all the info for AXFR and IXFR. Works well. Xfr.Add tells to add or remove (in case of AXFR alwasy true). And further more holds the RR
40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package main
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import (
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"fmt"
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"dns"
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"flag"
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)
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func main() {
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var serial *int = flag.Int("serial", 0, "Perform an IXFR with the given serial")
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var nameserver *string = flag.String("ns", "127.0.0.1", "Query this nameserver")
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flag.Parse()
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zone := flag.Arg(flag.NArg()-1)
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res := new(dns.Resolver)
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res.FromFile("/etc/resolv.conf")
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res.Servers[0] = *nameserver
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c := make(chan dns.Xfr)
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m := new(dns.Msg)
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m.Question = make([]dns.Question, 1)
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if *serial > 0 {
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m.Question[0] = dns.Question{zone, dns.TypeIXFR, dns.ClassINET}
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soa := new(dns.RR_SOA)
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soa.Hdr = dns.RR_Header{zone, dns.TypeSOA, dns.ClassINET, 14400, 0}
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soa.Serial = uint32(*serial)
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m.Ns = make([]dns.RR, 1)
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m.Ns[0] = soa
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go res.Ixfr(m, c)
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} else {
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m.Question[0] = dns.Question{zone, dns.TypeAXFR, dns.ClassINET}
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go res.Axfr(m, c)
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}
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for x := range c {
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fmt.Printf("%v %v\n",x.Add, x.RR)
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}
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}
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