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			53 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			53 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
|  | package erratic
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|  | 
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|  | import (
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|  | 	"strings"
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|  | 
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|  | 	"github.com/coredns/coredns/plugin/test"
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|  | 	"github.com/coredns/coredns/request"
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|  | 
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|  | 	"github.com/miekg/dns"
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|  | )
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|  | 
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|  | // allRecords returns a small zone file. The first RR must be a SOA.
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|  | func allRecords(name string) []dns.RR {
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|  | 	var rrs = []dns.RR{
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|  | 		test.SOA("xx.		0	IN	SOA	sns.dns.icann.org. noc.dns.icann.org. 2018050825 7200 3600 1209600 3600"),
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|  | 		test.NS("xx.		0	IN	NS	b.xx."),
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|  | 		test.NS("xx.		0	IN	NS	a.xx."),
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|  | 		test.AAAA("a.xx.	0	IN	AAAA	2001:bd8::53"),
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|  | 		test.AAAA("b.xx.	0	IN	AAAA	2001:500::54"),
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|  | 	}
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|  | 
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|  | 	for _, r := range rrs {
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|  | 		r.Header().Name = strings.Replace(r.Header().Name, "xx.", name, 1)
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|  | 
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|  | 		if n, ok := r.(*dns.NS); ok {
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|  | 			n.Ns = strings.Replace(n.Ns, "xx.", name, 1)
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|  | 		}
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|  | 	}
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|  | 	return rrs
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|  | }
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|  | 
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|  | func xfr(state request.Request, truncate bool) {
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|  | 	rrs := allRecords(state.QName())
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|  | 
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|  | 	ch := make(chan *dns.Envelope)
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|  | 	tr := new(dns.Transfer)
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|  | 
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|  | 	go func() {
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|  | 		// So the rrs we have don't have a closing SOA, only add that when truncate is false,
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|  | 		// so we send an incomplete AXFR.
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|  | 		if !truncate {
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|  | 			rrs = append(rrs, rrs[0])
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|  | 		}
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|  | 
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|  | 		ch <- &dns.Envelope{RR: rrs}
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|  | 		close(ch)
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|  | 	}()
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|  | 
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|  | 	tr.Out(state.W, state.Req, ch)
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|  | 	state.W.Hijack()
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|  | 	return
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|  | }
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