blob: c50850aba2df329c4397c9761a446e2762fdaa85 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
package dnssec
import (
"log"
"time"
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/request"
"github.com/miekg/dns"
)
// ResponseWriter sign the response on the fly.
type ResponseWriter struct {
dns.ResponseWriter
d Dnssec
}
// WriteMsg implements the dns.ResponseWriter interface.
func (d *ResponseWriter) WriteMsg(res *dns.Msg) error {
// By definition we should sign anything that comes back, we should still figure out for
// which zone it should be.
state := request.Request{W: d.ResponseWriter, Req: res}
zone := plugin.Zones(d.d.zones).Matches(state.Name())
if zone == "" {
return d.ResponseWriter.WriteMsg(res)
}
state.Zone = zone
if state.Do() {
res = d.d.Sign(state, time.Now().UTC())
cacheSize.WithLabelValues("signature").Set(float64(d.d.cache.Len()))
}
state.SizeAndDo(res)
return d.ResponseWriter.WriteMsg(res)
}
// Write implements the dns.ResponseWriter interface.
func (d *ResponseWriter) Write(buf []byte) (int, error) {
log.Printf("[WARNING] Dnssec called with Write: not signing reply")
n, err := d.ResponseWriter.Write(buf)
return n, err
}
// Hijack implements the dns.ResponseWriter interface.
func (d *ResponseWriter) Hijack() { d.ResponseWriter.Hijack() }
|
