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
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-accounts)
#:use-module (gnu build accounts)
#:use-module (gnu system accounts)
#:use-module (srfi srfi-19)
#:use-module (srfi srfi-64)
#:use-module (ice-9 vlist)
#:use-module (ice-9 match))
(define %passwd-sample
"\
root:x:0:0:Admin:/root:/bin/sh
charlie:x:1000:998:Charlie:/home/charlie:/bin/sh\n")
(define %group-sample
"\
root:x:0:
wheel:x:999:alice,bob
hackers:x:65000:alice,charlie\n")
(define %shadow-sample
(string-append "\
root:" (crypt "secret" "$6$abc") ":17169::::::
charlie:" (crypt "hey!" "$6$abc") ":17169::::::
nobody:!:0::::::\n"))
\f
(test-begin "accounts")
(test-equal "write-passwd"
%passwd-sample
(call-with-output-string
(lambda (port)
(write-passwd (list (password-entry
(name "root")
(uid 0) (gid 0)
(real-name "Admin")
(directory "/root")
(shell "/bin/sh"))
(password-entry
(name "charlie")
(uid 1000) (gid 998)
(real-name "Charlie")
(directory "/home/charlie")
(shell "/bin/sh")))
port))))
(test-equal "write-passwd with duplicate entry"
%passwd-sample
(call-with-output-string
(lambda (port)
(let ((charlie (password-entry
(name "charlie")
(uid 1000) (gid 998)
(real-name "Charlie")
(directory "/home/charlie")
(shell "/bin/sh"))))
(write-passwd (list (password-entry
(name "root")
(uid 0) (gid 0)
(real-name "Admin")
(directory "/root")
(shell "/bin/sh"))
charlie charlie)
port)))))
(test-equal "read-passwd + write-passwd"
%passwd-sample
(call-with-output-string
(lambda (port)
(write-passwd (call-with-input-string %passwd-sample
read-passwd)
port))))
(test-equal "write-group"
%group-sample
(call-with-output-string
(lambda (port)
(write-group (list (group-entry
(name "root") (gid 0))
(group-entry
(name "wheel") (gid 999)
(members '("alice" "bob")))
(group-entry
(name "hackers") (gid 65000)
(members '("alice" "charlie"))))
port))))
(test-equal "read-group + write-group"
%group-sample
(call-with-output-string
(lambda (port)
(write-group (call-with-input-string %group-sample
read-group)
port))))
(test-equal "write-shadow"
%shadow-sample
(call-with-output-string
(lambda (port)
(write-shadow (list (shadow-entry
(name "root")
(password (crypt "secret" "$6$abc"))
(last-change 17169))
(shadow-entry
(name "charlie")
(password (crypt "hey!" "$6$abc"))
(last-change 17169))
(shadow-entry
(name "nobody")))
port))))
(test-equal "read-shadow + write-shadow"
%shadow-sample
(call-with-output-string
(lambda (port)
(write-shadow (call-with-input-string %shadow-sample
read-shadow)
port))))
\f
(define allocate-groups (@@ (gnu build accounts) allocate-groups))
(define allocate-passwd (@@ (gnu build accounts) allocate-passwd))
(test-equal "allocate-groups"
;; Allocate GIDs in a stateless fashion.
(list (group-entry (name "s") (gid %system-id-max))
(group-entry (name "x") (gid 900))
(group-entry (name "t") (gid 899))
(group-entry (name "a") (gid %id-min) (password "foo")
(members '("alice" "bob")))
(group-entry (name "b") (gid (+ %id-min 1))
(members '("charlie"))))
(allocate-groups (list (user-group (name "s") (system? #t))
(user-group (name "x") (id 900))
(user-group (name "t") (system? #t))
(user-group (name "a") (password "foo"))
(user-group (name "b")))
(alist->vhash `(("a" . "bob")
("a" . "alice")
("b" . "charlie")))))
(test-equal "allocate-groups with requested GIDs"
;; Make sure the requested GID for "b" is honored.
(list (group-entry (name "a") (gid (+ 1 %id-min)))
(group-entry (name "b") (gid %id-min))
(group-entry (name "c") (gid (+ 2 %id-min))))
(allocate-groups (list (user-group (name "a"))
(user-group (name "b") (id %id-min))
(user-group (name "c")))
vlist-null))
(test-equal "allocate-groups with previous state"
;; Make sure bits of state are preserved: password, GID, no reuse of
;; previously-used GIDs.
(list (group-entry (name "s") (gid (- %system-id-max 1)))
(group-entry (name "t") (gid (- %system-id-max 2)))
(group-entry (name "a") (gid 30000) (password #f)
(members '("alice" "bob")))
(group-entry (name "b") (gid 30001) (password "bar")
(members '("charlie"))))
(allocate-groups (list (user-group (name "s") (system? #t))
(user-group (name "t") (system? #t))
(user-group (name "a") (password "foo"))
(user-group (name "b")))
(alist->vhash `(("a" . "bob")
("a" . "alice")
("b" . "charlie")))
(list (group-entry (name "a") (gid 30000))
(group-entry (name "b") (gid 30001)
(password "bar"))
(group-entry (name "removed")
(gid %system-id-max)))))
(test-equal "allocate-groups with previous state, looping"
;; Check that allocation starts after the highest previously-used GID, and
;; loops back to the lowest GID.
(list (group-entry (name "a") (gid (- %id-max 1)))
(group-entry (name "b") (gid %id-min))
(group-entry (name "c") (gid (+ 1 %id-min))))
(allocate-groups (list (user-group (name "a"))
(user-group (name "b"))
(user-group (name "c")))
vlist-null
(list (group-entry (name "d")
(gid (- %id-max 2))))))
(test-equal "allocate-passwd"
;; Allocate UIDs in a stateless fashion.
(list (password-entry (name "alice") (uid %id-min) (gid 1000)
(real-name "Alice") (shell "/bin/sh")
(directory "/home/alice"))
(password-entry (name "bob") (uid (+ 1 %id-min)) (gid 1001)
(real-name "Bob") (shell "/bin/gash")
(directory "/home/bob"))
(password-entry (name "sshd") (uid %system-id-max) (gid 500)
(real-name "sshd") (shell "/nologin")
(directory "/var/empty"))
(password-entry (name "guix") (uid 30000) (gid 499)
(real-name "Guix") (shell "/nologin")
(directory "/var/empty")))
(allocate-passwd (list (user-account (name "alice")
(comment "Alice")
(shell "/bin/sh")
(group "users"))
(user-account (name "bob")
(comment "Bob")
(shell "/bin/gash")
(group "wheel"))
(user-account (name "sshd") (system? #t)
(comment "sshd")
(home-directory "/var/empty")
(shell "/nologin")
(group "sshd"))
(user-account (name "guix") (system? #t)
(comment "Guix")
(home-directory "/var/empty")
(shell "/nologin")
(group "guix")
(uid 30000)))
(list (group-entry (name "users") (gid 1000))
(group-entry (name "wheel") (gid 1001))
(group-entry (name "sshd") (gid 500))
(group-entry (name "guix") (gid 499)))))
(test-equal "allocate-passwd with previous state"
;; Make sure bits of state are preserved: UID, no reuse of previously-used
;; UIDs, and shell.
(list (password-entry (name "alice") (uid 1234) (gid 1000)
(real-name "Alice Smith") (shell "/bin/sh")
(directory "/home/alice"))
(password-entry (name "charlie") (uid 1236) (gid 1000)
(real-name "Charlie") (shell "/bin/sh")
(directory "/home/charlie")))
(allocate-passwd (list (user-account (name "alice")
(comment "Alice")
(shell "/bin/sh") ;honored
(group "users"))
(user-account (name "charlie")
(comment "Charlie")
(shell "/bin/sh")
(group "users")))
(list (group-entry (name "users") (gid 1000)))
(list (password-entry (name "alice") (uid 1234) (gid 9999)
(real-name "Alice Smith")
(shell "/gnu/.../bin/gash") ;ignored
(directory "/home/alice"))
(password-entry (name "bob") (uid 1235) (gid 1001)
(real-name "Bob") (shell "/bin/sh")
(directory "/home/bob")))))
(test-equal "user+group-databases"
;; The whole shebang.
(list (list (group-entry (name "a") (gid %id-min)
(members '("bob")))
(group-entry (name "b") (gid (+ 1 %id-min))
(members '("alice")))
(group-entry (name "s") (gid %system-id-max))
(group-entry (name "guix-deleted-users")
(gid (- %system-id-max 1))))
(list (password-entry (name "alice") (real-name "Alice")
(uid %id-min) (gid %id-min)
(directory "/a"))
(password-entry (name "bob") (real-name "Bob")
(uid (+ 1 %id-min)) (gid (+ 1 %id-min))
(directory "/b"))
(password-entry (name "nobody")
(uid 65534) (gid %system-id-max)
(directory "/var/empty"))
(password-entry (name "guix-deleted-users")
;; empty list, start without deleted users
(real-name "KCk=")
(uid %system-id-max)
(gid (- %system-id-max 1)) ; XXX: why not %system-id-max? Bug or OK?
(directory "/var/empty")))
(list (shadow-entry (name "alice") (last-change 100)
(password (crypt "initial pass" "$6$")))
(shadow-entry (name "bob") (last-change 50)
(password (crypt "foo" "$6$")))
(shadow-entry (name "nobody") (last-change 100))
(shadow-entry (name "guix-deleted-users") (last-change 100))))
(call-with-values
(lambda ()
(user+group-databases (list (user-account
(name "alice")
(comment "Alice")
(home-directory "/a")
(group "a")
(supplementary-groups '("b"))
(password (crypt "initial pass" "$6$")))
(user-account
(name "bob")
(comment "Bob")
(home-directory "/b")
(group "b")
(supplementary-groups '("a")))
(user-account
(name "nobody")
(group "s")
(uid 65534)
(home-directory "/var/empty")))
(list (user-group (name "a"))
(user-group (name "b"))
(user-group (name "s") (system? #t)))
#:current-passwd '()
#:current-shadow
(list (shadow-entry (name "bob")
(password (crypt "foo" "$6$"))
(last-change 50)))
#:current-groups '()
#:current-time
(lambda (type)
(make-time type 0 (* 24 3600 100)))))
list))
(test-end "accounts")
|