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Add EDNS0_SUBNET rewrite (#1022)

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* Add EDNS0_SUBNET rewrite

* Fix review comments

* Update comment

* Fix according to review comments

* Add ResponseWriter6 instead of parameterized the existing ResponseWriter
This commit is contained in:
Thong Huynh 2017-09-08 13:36:09 -07:00 • committed by Miek Gieben
parent bcdc99ab11
commit 8e5d0a23fa
4 changed files with 276 additions and 1 deletions
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17
middleware/test/responsewriter.go
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@ -42,3 +42,20 @@ func (t *ResponseWriter) TsigTimersOnly(bool) { return }
// Hijack implement dns.ResponseWriter interface.
func (t *ResponseWriter) Hijack() { return }
// RepsponseWrite6 returns fixed client and remote address in IPv6. The remote
// address is always fe80::42:ff:feca:4c65 and port 40212. The local address
// is always ::1 and port 53.
type ResponseWriter6 struct {
ResponseWriter
}
// LocalAddr returns the local address, always ::1, port 53 (UDP).
func (t *ResponseWriter6) LocalAddr() net.Addr {
return &net.UDPAddr{IP: net.ParseIP("::1"), Port: 53, Zone: ""}
}
// RemoteAddr returns the remote address, always fe80::42:ff:feca:4c65 port 40212 (UDP).
func (t *ResponseWriter6) RemoteAddr() net.Addr {
return &net.UDPAddr{IP: net.ParseIP("fe80::42:ff:feca:4c65"), Port: 40212, Zone: ""}
}