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
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
|
#!/bin/sh
# $FreeBSD$
desc="chown changes ownership"
dir=`dirname $0`
. ${dir}/../misc.sh
if supported lchmod; then
echo "1..264"
else
echo "1..249"
fi
n0=`namegen`
n1=`namegen`
n2=`namegen`
expect 0 mkdir ${n2} 0755
cdir=`pwd`
cd ${n2}
# super-user can always modify ownership
expect 0 create ${n0} 0644
expect 0 chown ${n0} 123 456
expect 123,456 lstat ${n0} uid,gid
expect 0 chown ${n0} 0 0
expect 0,0 lstat ${n0} uid,gid
expect 0 unlink ${n0}
expect 0 mkfifo ${n0} 0644
expect 0 chown ${n0} 123 456
expect 123,456 lstat ${n0} uid,gid
expect 0 chown ${n0} 0 0
expect 0,0 lstat ${n0} uid,gid
expect 0 unlink ${n0}
expect 0 mknod ${n0} b 0644 1 2
expect 0 chown ${n0} 123 456
expect 123,456 lstat ${n0} uid,gid
expect 0 chown ${n0} 0 0
expect 0,0 lstat ${n0} uid,gid
expect 0 unlink ${n0}
expect 0 mknod ${n0} c 0644 1 2
expect 0 chown ${n0} 123 456
expect 123,456 lstat ${n0} uid,gid
expect 0 chown ${n0} 0 0
expect 0,0 lstat ${n0} uid,gid
expect 0 unlink ${n0}
expect 0 bind ${n0}
expect 0 chown ${n0} 123 456
expect 123,456 lstat ${n0} uid,gid
expect 0 chown ${n0} 0 0
expect 0,0 lstat ${n0} uid,gid
expect 0 unlink ${n0}
expect 0 mkdir ${n0} 0755
expect 0 chown ${n0} 123 456
expect 123,456 lstat ${n0} uid,gid
expect 0 chown ${n0} 0 0
expect 0,0 lstat ${n0} uid,gid
expect 0 rmdir ${n0}
expect 0 create ${n0} 0644
expect 0 symlink ${n0} ${n1}
expect 0 chown ${n1} 123 456
expect 123,456 stat ${n1} uid,gid
expect 123,456 stat ${n0} uid,gid
expect 0 lchown ${n1} 135 579
expect 135,579 lstat ${n1} uid,gid
expect 123,456 stat ${n1} uid,gid
expect 123,456 stat ${n0} uid,gid
expect 0 unlink ${n0}
expect 0 unlink ${n1}
# non-super-user can modify file group if he is owner of a file and
# gid he is setting is in his groups list.
expect 0 create ${n0} 0644
expect 0 chown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
expect 0 -u 65534 -g 65532,65531 -- chown ${n0} -1 65532
expect 65534,65532 lstat ${n0} uid,gid
expect 0 -u 65534 -g 65532,65531 chown ${n0} 65534 65531
expect 65534,65531 lstat ${n0} uid,gid
expect 0 unlink ${n0}
# chown(2) return 0 if user is not owner of a file, but chown(2) is called
# with both uid and gid equal to -1.
expect 0 create ${n0} 0644
expect 0 chown ${n0} 65534 65533
expect 0 -u 65532 -g 65531 -- chown ${n0} -1 -1
expect 0 unlink ${n0}
# when super-user calls chown(2), set-uid and set-gid bits may be removed.
expect 0 create ${n0} 0644
expect 0 chown ${n0} 65534 65533
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 chown ${n0} 65532 65531
expect "06555|0555" lstat ${n0} mode
expect 0 unlink ${n0}
expect 0 create ${n0} 0644
expect 0 chown ${n0} 0 0
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 chown ${n0} 65534 65533
expect "06555|0555" lstat ${n0} mode
expect 0 unlink ${n0}
expect 0 create ${n0} 0644
expect 0 chown ${n0} 65534 65533
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 chown ${n0} 0 0
expect "06555|0555" lstat ${n0} mode
expect 0 unlink ${n0}
# when non-super-user calls chown(2) successfully, set-uid and set-gid bits may
# be removed, except when both uid and gid are equal to -1.
expect 0 create ${n0} 0644
expect 0 chown ${n0} 65534 65533
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 chown ${n0} 65534 65532
expect 0555,65534,65532 lstat ${n0} mode,uid,gid
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 -- chown ${n0} -1 65533
expect 0555,65534,65533 lstat ${n0} mode,uid,gid
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 -- chown ${n0} -1 -1
expect "06555,65534,65533|0555,65534,65533" lstat ${n0} mode,uid,gid
expect 0 unlink ${n0}
expect 0 mkdir ${n0} 0755
expect 0 chown ${n0} 65534 65533
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 chown ${n0} 65534 65532
expect "0555,65534,65532|06555,65534,65532" lstat ${n0} mode,uid,gid
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 -- chown ${n0} -1 65533
expect "0555,65534,65533|06555,65534,65533" lstat ${n0} mode,uid,gid
expect 0 chmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 -- chown ${n0} -1 -1
expect 06555,65534,65533 lstat ${n0} mode,uid,gid
expect 0 rmdir ${n0}
if supported lchmod; then
expect 0 symlink ${n1} ${n0}
expect 0 lchown ${n0} 65534 65533
expect 0 lchmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 lchown ${n0} 65534 65532
expect 0555,65534,65532 lstat ${n0} mode,uid,gid
expect 0 lchmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 -- lchown ${n0} -1 65533
expect 0555,65534,65533 lstat ${n0} mode,uid,gid
expect 0 lchmod ${n0} 06555
expect 06555 lstat ${n0} mode
expect 0 -u 65534 -g 65533,65532 -- lchown ${n0} -1 -1
expect 06555,65534,65533 lstat ${n0} mode,uid,gid
expect 0 unlink ${n0}
fi
# successfull chown(2) call (except uid and gid equal to -1) updates ctime.
expect 0 create ${n0} 0644
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 mkdir ${n0} 0755
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 rmdir ${n0}
expect 0 mkfifo ${n0} 0644
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} b 0644 1 2
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} c 0644 1 2
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 bind ${n0}
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 symlink ${n1} ${n0}
ctime1=`${fstest} lstat ${n0} ctime`
sleep 1
expect 0 lchown ${n0} 65534 65533
expect 65534,65533 lstat ${n0} uid,gid
ctime2=`${fstest} lstat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 create ${n0} 0644
expect 0 chown ${n0} 65534 65533
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -u 65534 -g 65532 chown ${n0} 65534 65532
expect 65534,65532 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 mkdir ${n0} 0755
expect 0 chown ${n0} 65534 65533
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -u 65534 -g 65532 chown ${n0} 65534 65532
expect 65534,65532 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 rmdir ${n0}
expect 0 mkfifo ${n0} 0644
expect 0 chown ${n0} 65534 65533
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 0 -u 65534 -g 65532 chown ${n0} 65534 65532
expect 65534,65532 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} b 0644 1 2
expect 0 chown ${n0} 65534 65533
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 0 -u 65534 -g 65532 chown ${n0} 65534 65532
expect 65534,65532 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} c 0644 1 2
expect 0 chown ${n0} 65534 65533
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 0 -u 65534 -g 65532 chown ${n0} 65534 65532
expect 65534,65532 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 bind ${n0}
expect 0 chown ${n0} 65534 65533
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 chown ${n0} 65534 65533
expect 0 -u 65534 -g 65532 chown ${n0} 65534 65532
expect 65534,65532 lstat ${n0} uid,gid
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 symlink ${n1} ${n0}
expect 0 lchown ${n0} 65534 65533
ctime1=`${fstest} lstat ${n0} ctime`
sleep 1
expect 0 -u 65534 -g 65532 lchown ${n0} 65534 65532
expect 65534,65532 lstat ${n0} uid,gid
ctime2=`${fstest} lstat ${n0} ctime`
test_check $ctime1 -lt $ctime2
expect 0 unlink ${n0}
expect 0 create ${n0} 0644
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -- chown ${n0} -1 -1
ctime2=`${fstest} stat ${n0} ctime`
todo Linux "According to POSIX: If both owner and group are -1, the times need not be updated."
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 mkdir ${n0} 0644
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -- chown ${n0} -1 -1
ctime2=`${fstest} stat ${n0} ctime`
todo Linux "According to POSIX: If both owner and group are -1, the times need not be updated."
test_check $ctime1 -eq $ctime2
expect 0 rmdir ${n0}
expect 0 mkfifo ${n0} 0644
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -- chown ${n0} -1 -1
ctime2=`${fstest} stat ${n0} ctime`
todo Linux "According to POSIX: If both owner and group are -1, the times need not be updated."
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} b 0644 1 2
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -- chown ${n0} -1 -1
ctime2=`${fstest} stat ${n0} ctime`
todo Linux "According to POSIX: If both owner and group are -1, the times need not be updated."
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} c 0644 1 2
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -- chown ${n0} -1 -1
ctime2=`${fstest} stat ${n0} ctime`
todo Linux "According to POSIX: If both owner and group are -1, the times need not be updated."
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 bind ${n0}
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect 0 -- chown ${n0} -1 -1
ctime2=`${fstest} stat ${n0} ctime`
todo Linux "According to POSIX: If both owner and group are -1, the times need not be updated."
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 symlink ${n1} ${n0}
ctime1=`${fstest} lstat ${n0} ctime`
sleep 1
expect 0 -- lchown ${n0} -1 -1
ctime2=`${fstest} lstat ${n0} ctime`
todo Linux "According to POSIX: If both owner and group are -1, the times need not be updated."
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
# unsuccessful chown(2) does not update ctime.
expect 0 create ${n0} 0644
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect EPERM -u 65534 -- chown ${n0} 65534 -1
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 mkdir ${n0} 0755
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect EPERM -u 65534 -g 65534 -- chown ${n0} -1 65534
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -eq $ctime2
expect 0 rmdir ${n0}
expect 0 mkfifo ${n0} 0644
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect EPERM -u 65534 -g 65534 chown ${n0} 65534 65534
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} b 0644 1 2
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect EPERM -u 65534 -g 65534 chown ${n0} 65534 65534
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 mknod ${n0} c 0644 1 2
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect EPERM -u 65534 -g 65534 chown ${n0} 65534 65534
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 bind ${n0}
ctime1=`${fstest} stat ${n0} ctime`
sleep 1
expect EPERM -u 65534 -g 65534 chown ${n0} 65534 65534
ctime2=`${fstest} stat ${n0} ctime`
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
expect 0 symlink ${n1} ${n0}
ctime1=`${fstest} lstat ${n0} ctime`
sleep 1
expect EPERM -u 65534 -g 65534 lchown ${n0} 65534 65534
ctime2=`${fstest} lstat ${n0} ctime`
test_check $ctime1 -eq $ctime2
expect 0 unlink ${n0}
cd ${cdir}
expect 0 rmdir ${n2}
|
