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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd !android,linux nacl netbsd openbsd solaris
// +build !cgo
package user
import (
"reflect"
"strings"
"testing"
)
const testGroupFile = `# See the opendirectoryd(8) man page for additional
# information about Open Directory.
##
nobody:*:-2:
nogroup:*:-1:
wheel:*:0:root
emptyid:*::root
invalidgid:*:notanumber:root
+plussign:*:20:root
-minussign:*:21:root
daemon:*:1:root
indented:*:7:
# comment:*:4:found
# comment:*:4:found
kmem:*:2:root
`
var groupTests = []struct {
in string
name string
gid string
}{
{testGroupFile, "nobody", "-2"},
{testGroupFile, "kmem", "2"},
{testGroupFile, "notinthefile", ""},
{testGroupFile, "comment", ""},
{testGroupFile, "plussign", ""},
{testGroupFile, "+plussign", ""},
{testGroupFile, "-minussign", ""},
{testGroupFile, "minussign", ""},
{testGroupFile, "emptyid", ""},
{testGroupFile, "invalidgid", ""},
{testGroupFile, "indented", "7"},
{testGroupFile, "# comment", ""},
{"", "emptyfile", ""},
}
func TestFindGroupName(t *testing.T) {
for _, tt := range groupTests {
got, err := findGroupName(tt.name, strings.NewReader(tt.in))
if tt.gid == "" {
if err == nil {
t.Errorf("findGroupName(%s): got nil error, expected err", tt.name)
continue
}
switch terr := err.(type) {
case UnknownGroupError:
if terr.Error() != "group: unknown group "+tt.name {
t.Errorf("findGroupName(%s): got %v, want %v", tt.name, terr, tt.name)
}
default:
t.Errorf("findGroupName(%s): got unexpected error %v", tt.name, terr)
}
} else {
if err != nil {
t.Fatalf("findGroupName(%s): got unexpected error %v", tt.name, err)
}
if got.Gid != tt.gid {
t.Errorf("findGroupName(%s): got gid %v, want %s", tt.name, got.Gid, tt.gid)
}
if got.Name != tt.name {
t.Errorf("findGroupName(%s): got name %s, want %s", tt.name, got.Name, tt.name)
}
}
}
}
var groupIdTests = []struct {
in string
gid string
name string
}{
{testGroupFile, "-2", "nobody"},
{testGroupFile, "2", "kmem"},
{testGroupFile, "notinthefile", ""},
{testGroupFile, "comment", ""},
{testGroupFile, "7", "indented"},
{testGroupFile, "4", ""},
{testGroupFile, "20", ""}, // row starts with a plus
{testGroupFile, "21", ""}, // row starts with a minus
{"", "emptyfile", ""},
}
func TestFindGroupId(t *testing.T) {
for _, tt := range groupIdTests {
got, err := findGroupId(tt.gid, strings.NewReader(tt.in))
if tt.name == "" {
if err == nil {
t.Errorf("findGroupId(%s): got nil error, expected err", tt.gid)
continue
}
switch terr := err.(type) {
case UnknownGroupIdError:
if terr.Error() != "group: unknown groupid "+tt.gid {
t.Errorf("findGroupId(%s): got %v, want %v", tt.name, terr, tt.name)
}
default:
t.Errorf("findGroupId(%s): got unexpected error %v", tt.name, terr)
}
} else {
if err != nil {
t.Fatalf("findGroupId(%s): got unexpected error %v", tt.name, err)
}
if got.Gid != tt.gid {
t.Errorf("findGroupId(%s): got gid %v, want %s", tt.name, got.Gid, tt.gid)
}
if got.Name != tt.name {
t.Errorf("findGroupId(%s): got name %s, want %s", tt.name, got.Name, tt.name)
}
}
}
}
const testUserFile = ` # Example user file
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
bin:x:2:3:bin:/bin:/usr/sbin/nologin
indented:x:3:3:indented:/dev:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
negative:x:-5:60:games:/usr/games:/usr/sbin/nologin
man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
allfields:x:6:12:mansplit,man2,man3,man4:/home/allfields:/usr/sbin/nologin
+plussign:x:8:10:man:/var/cache/man:/usr/sbin/nologin
-minussign:x:9:10:man:/var/cache/man:/usr/sbin/nologin
malformed:x:27:12 # more:colons:after:comment
struid:x:notanumber:12 # more:colons:after:comment
# commented:x:28:12:commented:/var/cache/man:/usr/sbin/nologin
# commentindented:x:29:12:commentindented:/var/cache/man:/usr/sbin/nologin
struid2:x:30:badgid:struid2name:/home/struid:/usr/sbin/nologin
`
var userIdTests = []struct {
in string
uid string
name string
}{
{testUserFile, "-5", "negative"},
{testUserFile, "2", "bin"},
{testUserFile, "100", ""}, // not in the file
{testUserFile, "8", ""}, // plus sign, glibc doesn't find it
{testUserFile, "9", ""}, // minus sign, glibc doesn't find it
{testUserFile, "27", ""}, // malformed
{testUserFile, "28", ""}, // commented out
{testUserFile, "29", ""}, // commented out, indented
{testUserFile, "3", "indented"},
{testUserFile, "30", ""}, // the Gid is not valid, shouldn't match
{"", "1", ""},
}
func TestInvalidUserId(t *testing.T) {
_, err := findUserId("notanumber", strings.NewReader(""))
if err == nil {
t.Fatalf("findUserId('notanumber'): got nil error")
}
if want := "user: invalid userid notanumber"; err.Error() != want {
t.Errorf("findUserId('notanumber'): got %v, want %s", err, want)
}
}
func TestLookupUserId(t *testing.T) {
for _, tt := range userIdTests {
got, err := findUserId(tt.uid, strings.NewReader(tt.in))
if tt.name == "" {
if err == nil {
t.Errorf("findUserId(%s): got nil error, expected err", tt.uid)
continue
}
switch terr := err.(type) {
case UnknownUserIdError:
if want := "user: unknown userid " + tt.uid; terr.Error() != want {
t.Errorf("findUserId(%s): got %v, want %v", tt.name, terr, want)
}
default:
t.Errorf("findUserId(%s): got unexpected error %v", tt.name, terr)
}
} else {
if err != nil {
t.Fatalf("findUserId(%s): got unexpected error %v", tt.name, err)
}
if got.Uid != tt.uid {
t.Errorf("findUserId(%s): got uid %v, want %s", tt.name, got.Uid, tt.uid)
}
if got.Username != tt.name {
t.Errorf("findUserId(%s): got name %s, want %s", tt.name, got.Username, tt.name)
}
}
}
}
func TestLookupUserPopulatesAllFields(t *testing.T) {
u, err := findUsername("allfields", strings.NewReader(testUserFile))
if err != nil {
t.Fatal(err)
}
want := &User{
Username: "allfields",
Uid: "6",
Gid: "12",
Name: "mansplit",
HomeDir: "/home/allfields",
}
if !reflect.DeepEqual(u, want) {
t.Errorf("findUsername: got %#v, want %#v", u, want)
}
}
var userTests = []struct {
in string
name string
uid string
}{
{testUserFile, "negative", "-5"},
{testUserFile, "bin", "2"},
{testUserFile, "notinthefile", ""},
{testUserFile, "indented", "3"},
{testUserFile, "plussign", ""},
{testUserFile, "+plussign", ""},
{testUserFile, "minussign", ""},
{testUserFile, "-minussign", ""},
{testUserFile, " indented", ""},
{testUserFile, "commented", ""},
{testUserFile, "commentindented", ""},
{testUserFile, "malformed", ""},
{testUserFile, "# commented", ""},
{"", "emptyfile", ""},
}
func TestLookupUser(t *testing.T) {
for _, tt := range userTests {
got, err := findUsername(tt.name, strings.NewReader(tt.in))
if tt.uid == "" {
if err == nil {
t.Errorf("lookupUser(%s): got nil error, expected err", tt.uid)
continue
}
switch terr := err.(type) {
case UnknownUserError:
if want := "user: unknown user " + tt.name; terr.Error() != want {
t.Errorf("lookupUser(%s): got %v, want %v", tt.name, terr, want)
}
default:
t.Errorf("lookupUser(%s): got unexpected error %v", tt.name, terr)
}
} else {
if err != nil {
t.Fatalf("lookupUser(%s): got unexpected error %v", tt.name, err)
}
if got.Uid != tt.uid {
t.Errorf("lookupUser(%s): got uid %v, want %s", tt.name, got.Uid, tt.uid)
}
if got.Username != tt.name {
t.Errorf("lookupUser(%s): got name %s, want %s", tt.name, got.Username, tt.name)
}
}
}
}
|
