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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
// +build net
package test
import (
"testing"
"github.com/miekg/dns"
)
func TestSecondaryZoneTransfer(t *testing.T) {
/*
Test will only work when there is a CoreDNS running on part 32054
with example.com and willing to transfer
coredns -conf Corefile -dns.port 32054
Corefile:
example.com {
file example.com {
transfer to 127.0.0.1:32053
}
}
example.com:
example.com. 3600 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2017042730 7200 3600 1209600 3600
example.com. 65118 IN NS a.iana-servers.net.
example.com. 65118 IN NS b.iana-servers.net.
cname.example.com. 434334 IN CNAME a.miek.nl.
*/
corefile := `example.com:32053 {
secondary {
transfer from 127.0.0.1:32054
}
}
`
sec, err := CoreDNSServer(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
defer sec.Stop()
m := new(dns.Msg)
m.SetQuestion("cname.example.com.", dns.TypeCNAME)
r, err := dns.Exchange(m, "127.0.0.1:32053")
if err != nil {
t.Fatalf("Expected to receive reply, but didn't: %s", err)
}
if len(r.Answer) == 0 {
t.Fatalf("Expected answer section")
}
if r.Answer[0].(*dns.CNAME).Target != "a.miek.nl." {
t.Fatalf("Expected target of %s, got %s", "a.miek.nl.", r.Answer[0].(*dns.CNAME).Target)
}
m = new(dns.Msg)
m.SetQuestion("example.com.", dns.TypeSOA)
r, err = dns.Exchange(m, "127.0.0.1:32053")
if err != nil {
t.Fatalf("Expected to receive reply, but didn't: %s", err)
}
if len(r.Answer) == 0 {
t.Fatalf("Expected answer section")
}
if r.Answer[0].(*dns.SOA).Serial != 2017042730 {
t.Fatalf("Expected serial of %d, got %d", 2017042730, r.Answer[0].(*dns.SOA).Serial)
}
}
func TestSecondaryZoneTransferUpstream(t *testing.T) {
/*
Test will only work when there is a CoreDNS running on part 32054
with example.com and willing to transfer
coredns -conf Corefile -dns.port 32054
Corefile:
example.com {
file example.com {
transfer to 127.0.0.1:32053
}
}
example.com:
example.com. 3600 IN SOA sns.dns.icann.org. noc.dns.icann.org. 2017042730 7200 3600 1209600 3600
example.com. 65118 IN NS a.iana-servers.net.
example.com. 65118 IN NS b.iana-servers.net.
cname.example.com. 434334 IN CNAME a.miek.nl.
*/
corefile := `example.com:32053 {
secondary {
transfer from 127.0.0.1:32054
upstream 8.8.8.8
}
}
`
sec, err := CoreDNSServer(corefile)
if err != nil {
t.Fatalf("Could not get CoreDNS serving instance: %s", err)
}
defer sec.Stop()
m := new(dns.Msg)
m.SetQuestion("cname.example.com.", dns.TypeA)
r, err := dns.Exchange(m, "127.0.0.1:32053")
if err != nil {
t.Fatalf("Expected to receive reply, but didn't: %s", err)
}
if len(r.Answer) != 2 {
t.Fatalf("Expected answer section, with 2 records, got %d", len(r.Answer))
}
if r.Answer[0].(*dns.CNAME).Target != "a.miek.nl." {
t.Fatalf("Expected target of %s, got %s", "a.miek.nl.", r.Answer[0].(*dns.CNAME).Target)
}
if r.Answer[1].Header().Name != "a.miek.nl." {
t.Fatalf("Expected name of %s, got %s", "a.miek.nl.", r.Answer[1].Header().Name)
}
}
|
