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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
//go:build windows && cgo
package controlclient
import (
"crypto"
"crypto/x509"
"crypto/x509/pkix"
"errors"
"reflect"
"testing"
"time"
"github.com/tailscale/certstore"
)
const (
testRootCommonName = "testroot"
testRootSubject = "CN=testroot"
)
type testIdentity struct {
chain []*x509.Certificate
}
func makeChain(rootCommonName string, notBefore, notAfter time.Time) []*x509.Certificate {
return []*x509.Certificate{
{
NotBefore: notBefore,
NotAfter: notAfter,
PublicKeyAlgorithm: x509.RSA,
},
{
Subject: pkix.Name{
CommonName: rootCommonName,
},
PublicKeyAlgorithm: x509.RSA,
},
}
}
func (t *testIdentity) Certificate() (*x509.Certificate, error) {
return t.chain[0], nil
}
func (t *testIdentity) CertificateChain() ([]*x509.Certificate, error) {
return t.chain, nil
}
func (t *testIdentity) Signer() (crypto.Signer, error) {
return nil, errors.New("not implemented")
}
func (t *testIdentity) Delete() error {
return errors.New("not implemented")
}
func (t *testIdentity) Close() {}
func TestSelectIdentityFromSlice(t *testing.T) {
var times []time.Time
for _, ts := range []string{
"2000-01-01T00:00:00Z",
"2001-01-01T00:00:00Z",
"2002-01-01T00:00:00Z",
"2003-01-01T00:00:00Z",
} {
tm, err := time.Parse(time.RFC3339, ts)
if err != nil {
t.Fatal(err)
}
times = append(times, tm)
}
tests := []struct {
name string
subject string
ids []certstore.Identity
now time.Time
// wantIndex is an index into ids, or -1 for nil.
wantIndex int
}{
{
name: "single unexpired identity",
subject: testRootSubject,
ids: []certstore.Identity{
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[2]),
},
},
now: times[1],
wantIndex: 0,
},
{
name: "single expired identity",
subject: testRootSubject,
ids: []certstore.Identity{
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[1]),
},
},
now: times[2],
wantIndex: -1,
},
{
name: "unrelated ids",
subject: testRootSubject,
ids: []certstore.Identity{
&testIdentity{
chain: makeChain("something", times[0], times[2]),
},
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[2]),
},
&testIdentity{
chain: makeChain("else", times[0], times[2]),
},
},
now: times[1],
wantIndex: 1,
},
{
name: "expired with unrelated ids",
subject: testRootSubject,
ids: []certstore.Identity{
&testIdentity{
chain: makeChain("something", times[0], times[3]),
},
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[1]),
},
&testIdentity{
chain: makeChain("else", times[0], times[3]),
},
},
now: times[2],
wantIndex: -1,
},
{
name: "one expired",
subject: testRootSubject,
ids: []certstore.Identity{
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[1]),
},
&testIdentity{
chain: makeChain(testRootCommonName, times[1], times[3]),
},
},
now: times[2],
wantIndex: 1,
},
{
name: "two certs both unexpired",
subject: testRootSubject,
ids: []certstore.Identity{
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[3]),
},
&testIdentity{
chain: makeChain(testRootCommonName, times[1], times[3]),
},
},
now: times[2],
wantIndex: 1,
},
{
name: "two unexpired one expired",
subject: testRootSubject,
ids: []certstore.Identity{
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[3]),
},
&testIdentity{
chain: makeChain(testRootCommonName, times[1], times[3]),
},
&testIdentity{
chain: makeChain(testRootCommonName, times[0], times[1]),
},
},
now: times[2],
wantIndex: 1,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotId, gotChain := selectIdentityFromSlice(tt.subject, tt.ids, tt.now)
if gotId == nil && gotChain != nil {
t.Error("id is nil: got non-nil chain, want nil chain")
return
}
if gotId != nil && gotChain == nil {
t.Error("id is not nil: got nil chain, want non-nil chain")
return
}
if tt.wantIndex == -1 {
if gotId != nil {
t.Error("got non-nil id, want nil id")
}
return
}
if gotId == nil {
t.Error("got nil id, want non-nil id")
return
}
if gotId != tt.ids[tt.wantIndex] {
found := -1
for i := range tt.ids {
if tt.ids[i] == gotId {
found = i
break
}
}
if found == -1 {
t.Errorf("got unknown id, want id at index %v", tt.wantIndex)
} else {
t.Errorf("got id at index %v, want id at index %v", found, tt.wantIndex)
}
}
tid, ok := tt.ids[tt.wantIndex].(*testIdentity)
if !ok {
t.Error("got non-testIdentity, want testIdentity")
return
}
if !reflect.DeepEqual(tid.chain, gotChain) {
t.Errorf("got unknown chain, want chain from id at index %v", tt.wantIndex)
}
})
}
}
|
