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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
package acme
import (
"bufio"
"crypto/rand"
"crypto/rsa"
"net/http"
"net/http/httptest"
"os"
"reflect"
"sort"
"strings"
"testing"
"time"
)
var lookupNameserversTestsOK = []struct {
fqdn string
nss []string
}{
{"books.google.com.ng.",
[]string{"ns1.google.com.", "ns2.google.com.", "ns3.google.com.", "ns4.google.com."},
},
{"www.google.com.",
[]string{"ns1.google.com.", "ns2.google.com.", "ns3.google.com.", "ns4.google.com."},
},
{"physics.georgetown.edu.",
[]string{"ns1.georgetown.edu.", "ns2.georgetown.edu.", "ns3.georgetown.edu."},
},
}
var lookupNameserversTestsErr = []struct {
fqdn string
error string
}{
// invalid tld
{"_null.n0n0.",
"Could not determine the zone",
},
// invalid domain
{"_null.com.",
"Could not determine the zone",
},
// invalid domain
{"in-valid.co.uk.",
"Could not determine the zone",
},
}
var findZoneByFqdnTests = []struct {
fqdn string
zone string
}{
{"mail.google.com.", "google.com."}, // domain is a CNAME
{"foo.google.com.", "google.com."}, // domain is a non-existent subdomain
}
var checkAuthoritativeNssTests = []struct {
fqdn, value string
ns []string
ok bool
}{
// TXT RR w/ expected value
{"8.8.8.8.asn.routeviews.org.", "151698.8.8.024", []string{"asnums.routeviews.org."},
true,
},
// No TXT RR
{"ns1.google.com.", "", []string{"ns2.google.com."},
false,
},
}
var checkAuthoritativeNssTestsErr = []struct {
fqdn, value string
ns []string
error string
}{
// TXT RR /w unexpected value
{"8.8.8.8.asn.routeviews.org.", "fe01=", []string{"asnums.routeviews.org."},
"did not return the expected TXT record",
},
// No TXT RR
{"ns1.google.com.", "fe01=", []string{"ns2.google.com."},
"did not return the expected TXT record",
},
}
var checkResolvConfServersTests = []struct {
fixture string
expected []string
defaults []string
}{
{"testdata/resolv.conf.1", []string{"10.200.3.249:53", "10.200.3.250:5353", "[2001:4860:4860::8844]:53", "[10.0.0.1]:5353"}, []string{"127.0.0.1:53"}},
{"testdata/resolv.conf.nonexistant", []string{"127.0.0.1:53"}, []string{"127.0.0.1:53"}},
}
func TestDNSValidServerResponse(t *testing.T) {
PreCheckDNS = func(fqdn, value string) (bool, error) {
return true, nil
}
privKey, _ := rsa.GenerateKey(rand.Reader, 512)
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("Replay-Nonce", "12345")
w.Write([]byte("{\"type\":\"dns01\",\"status\":\"valid\",\"uri\":\"http://some.url\",\"token\":\"http8\"}"))
}))
manualProvider, _ := NewDNSProviderManual()
jws := &jws{privKey: privKey, directoryURL: ts.URL}
solver := &dnsChallenge{jws: jws, validate: validate, provider: manualProvider}
clientChallenge := challenge{Type: "dns01", Status: "pending", URI: ts.URL, Token: "http8"}
go func() {
time.Sleep(time.Second * 2)
f := bufio.NewWriter(os.Stdout)
defer f.Flush()
f.WriteString("\n")
}()
if err := solver.Solve(clientChallenge, "example.com"); err != nil {
t.Errorf("VALID: Expected Solve to return no error but the error was -> %v", err)
}
}
func TestPreCheckDNS(t *testing.T) {
ok, err := PreCheckDNS("acme-staging.api.letsencrypt.org", "fe01=")
if err != nil || !ok {
t.Errorf("preCheckDNS failed for acme-staging.api.letsencrypt.org")
}
}
func TestLookupNameserversOK(t *testing.T) {
for _, tt := range lookupNameserversTestsOK {
nss, err := lookupNameservers(tt.fqdn)
if err != nil {
t.Fatalf("#%s: got %q; want nil", tt.fqdn, err)
}
sort.Strings(nss)
sort.Strings(tt.nss)
if !reflect.DeepEqual(nss, tt.nss) {
t.Errorf("#%s: got %v; want %v", tt.fqdn, nss, tt.nss)
}
}
}
func TestLookupNameserversErr(t *testing.T) {
for _, tt := range lookupNameserversTestsErr {
_, err := lookupNameservers(tt.fqdn)
if err == nil {
t.Fatalf("#%s: expected %q (error); got <nil>", tt.fqdn, tt.error)
}
if !strings.Contains(err.Error(), tt.error) {
t.Errorf("#%s: expected %q (error); got %q", tt.fqdn, tt.error, err)
continue
}
}
}
func TestFindZoneByFqdn(t *testing.T) {
for _, tt := range findZoneByFqdnTests {
res, err := FindZoneByFqdn(tt.fqdn, RecursiveNameservers)
if err != nil {
t.Errorf("FindZoneByFqdn failed for %s: %v", tt.fqdn, err)
}
if res != tt.zone {
t.Errorf("%s: got %s; want %s", tt.fqdn, res, tt.zone)
}
}
}
func TestCheckAuthoritativeNss(t *testing.T) {
for _, tt := range checkAuthoritativeNssTests {
ok, _ := checkAuthoritativeNss(tt.fqdn, tt.value, tt.ns)
if ok != tt.ok {
t.Errorf("%s: got %t; want %t", tt.fqdn, ok, tt.ok)
}
}
}
func TestCheckAuthoritativeNssErr(t *testing.T) {
for _, tt := range checkAuthoritativeNssTestsErr {
_, err := checkAuthoritativeNss(tt.fqdn, tt.value, tt.ns)
if err == nil {
t.Fatalf("#%s: expected %q (error); got <nil>", tt.fqdn, tt.error)
}
if !strings.Contains(err.Error(), tt.error) {
t.Errorf("#%s: expected %q (error); got %q", tt.fqdn, tt.error, err)
continue
}
}
}
func TestResolveConfServers(t *testing.T) {
for _, tt := range checkResolvConfServersTests {
result := getNameservers(tt.fixture, tt.defaults)
sort.Strings(result)
sort.Strings(tt.expected)
if !reflect.DeepEqual(result, tt.expected) {
t.Errorf("#%s: expected %q; got %q", tt.fixture, tt.expected, result)
}
}
}
|
