dns/ex/axfr/axfr.go

38 lines
797 B
Go

package main
import (
"dns"
"flag"
"fmt"
)
func main() {
var serial *int = flag.Int("serial", 0, "Perform an IXFR with the given serial")
var nameserver *string = flag.String("ns", "127.0.0.1:53", "Query this nameserver")
// var secret *string = flag.String("secret", "", "Use this secret for TSIG")
flag.Parse()
zone := flag.Arg(flag.NArg() - 1)
client := dns.NewClient()
client.Net = "tcp"
m := new(dns.Msg)
if *serial > 0 {
m.SetIxfr(zone, uint32(*serial))
} else {
m.SetAxfr(zone)
}
if err := client.XfrReceive(m, *nameserver); err == nil {
for r := range client.ReplyChan {
if r.Error != nil {
if r.Error == dns.ErrXfrLast {
fmt.Printf("%v\n", r.Reply)
}
break
}
fmt.Printf("%v\n", r.Reply)
}
} else {
fmt.Printf("Error %v\n", err)
}
}