summaryrefslogtreecommitdiff
path: root/login/tst-utmp.c
blob: cce79b4980ed484194dc8b4873798e29386106df (plain)
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
/* Tests for UTMP functions.
   Copyright (C) 1998, 2001-2003 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1998.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <error.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>

#ifdef UTMPX
# include <utmpx.h>
# define utmp utmpx
# define utmpname utmpxname
# define setutent setutxent
# define getutent getutxent
# define endutent endutxent
# define getutline getutxline
# define getutid getutxid
# define pututline pututxline
#else
# include <utmp.h>
#endif


#if _HAVE_UT_TYPE || defined UTMPX

/* Prototype for our test function.  */
static int do_test (int argc, char *argv[]);

/* We have a preparation function.  */
static void do_prepare (int argc, char *argv[]);
#define PREPARE do_prepare

/* This defines the `main' function and some more.  */
#include <test-skeleton.c>


/* These are for the temporary file we generate.  */
char *name;
int fd;

static void
do_prepare (int argc, char *argv[])
{
  size_t name_len;

  name_len = strlen (test_dir);
  name = malloc (name_len + sizeof ("/utmpXXXXXX"));
  mempcpy (mempcpy (name, test_dir, name_len),
	   "/utmpXXXXXX", sizeof ("/utmpXXXXXX"));
  add_temp_file (name);

  /* Open our test file.  */
  fd = mkstemp (name);
  if (fd == -1)
    error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
}

struct utmp entry[] =
{
#if _HAVE_UT_TV || defined UTMPX
#define UT(a)  .ut_tv = { .tv_sec = (a)}
#else
#define UT(a)  .ut_time = (a)
#endif

  { .ut_type = BOOT_TIME, .ut_pid = 1, UT(1000) },
  { .ut_type = RUN_LVL, .ut_pid = 1, UT(2000) },
  { .ut_type = INIT_PROCESS, .ut_pid = 5, .ut_id = "si", UT(3000) },
  { .ut_type = LOGIN_PROCESS, .ut_pid = 23, .ut_line = "tty1", .ut_id = "1",
    .ut_user = "LOGIN", UT(4000) },
  { .ut_type = USER_PROCESS, .ut_pid = 24, .ut_line = "tty2", .ut_id = "2",
    .ut_user = "albert", UT(8000) },
  { .ut_type = USER_PROCESS, .ut_pid = 196, .ut_line = "ttyp0", .ut_id = "p0",
    .ut_user = "niels", UT(10000) },
  { .ut_type = DEAD_PROCESS, .ut_line = "ttyp1", .ut_id = "p1", UT(16000) },
  { .ut_type = EMPTY },
  { .ut_type = EMPTY }
};
int num_entries = sizeof entry / sizeof (struct utmp);

time_t entry_time = 20000;
pid_t entry_pid = 234;

static int
do_init (void)
{
  int n;

  setutent ();

  for (n = 0; n < num_entries; n++)
    {
      if (pututline (&entry[n]) == NULL)
	{
	  error (0, errno, "cannot write UTMP entry");
	  return 1;
	}
    }

  endutent ();

  return 0;
}


static int
do_check (void)
{
  struct utmp *ut;
  int n;

  setutent ();

  n = 0;
  while ((ut = getutent ()))
    {
      if (n < num_entries &&
	  memcmp (ut, &entry[n], sizeof (struct utmp)))
	{
	  error (0, 0, "UTMP entry does not match");
	  return 1;
	}

      n++;
    }

  if (n != num_entries)
    {
      error (0, 0, "number of UTMP entries is incorrect");
      return 1;
    }

  endutent ();

  return 0;
}

static int
simulate_login (const char *line, const char *user)
{
  int n;

  for (n = 0; n < num_entries; n++)
    {
      if (strcmp (line, entry[n].ut_line) == 0 ||
	  entry[n].ut_type == DEAD_PROCESS)
	{
	  if (entry[n].ut_pid == DEAD_PROCESS)
	    entry[n].ut_pid = (entry_pid += 27);
	  entry[n].ut_type = USER_PROCESS;
	  strncpy (entry[n].ut_user, user, sizeof (entry[n].ut_user));
#if _HAVE_UT_TV - 0 || defined UTMPX
	  entry[n].ut_tv.tv_sec = (entry_time += 1000);
#else
          entry[n].ut_time = (entry_time += 1000);
#endif
	  setutent ();

	  if (pututline (&entry[n]) == NULL)
	    {
	      error (0, errno, "cannot write UTMP entry");
	      return 1;
	    }

	  endutent ();

	  return 0;
	}
    }

  error (0, 0, "no entries available");
  return 1;
}

static int
simulate_logout (const char *line)
{
  int n;

  for (n = 0; n < num_entries; n++)
    {
      if (strcmp (line, entry[n].ut_line) == 0)
	{
	  entry[n].ut_type = DEAD_PROCESS;
	  strncpy (entry[n].ut_user, "", sizeof (entry[n].ut_user));
#if _HAVE_UT_TV - 0 || defined UTMPX
          entry[n].ut_tv.tv_sec = (entry_time += 1000);
#else
          entry[n].ut_time = (entry_time += 1000);
#endif
	  setutent ();

	  if (pututline (&entry[n]) == NULL)
	    {
	      error (0, errno, "cannot write UTMP entry");
	      return 1;
	    }

	  endutent ();

	  return 0;
	}
    }

  error (0, 0, "no entry found for `%s'", line);
  return 1;
}

static int
check_login (const char *line)
{
  struct utmp *up;
  struct utmp ut;
  int n;

  setutent ();

  strcpy (ut.ut_line, line);
  up = getutline (&ut);
  if (up == NULL)
    {
      error (0, errno, "cannot get entry for line `%s'", line);
      return 1;
    }

  endutent ();

  for (n = 0; n < num_entries; n++)
    {
      if (strcmp (line, entry[n].ut_line) == 0)
	{
	  if (memcmp (up, &entry[n], sizeof (struct utmp)))
	    {
	      error (0, 0, "UTMP entry does not match");
	      return 1;
	    }

	  return 0;
	}
    }

  error (0, 0, "bogus entry for line `%s'", line);
  return 1;
}

static int
check_logout (const char *line)
{
  struct utmp ut;

  setutent ();

  strcpy (ut.ut_line, line);
  if (getutline (&ut) != NULL)
    {
      error (0, 0, "bogus login entry for `%s'", line);
      return 1;
    }

  endutent ();

  return 0;
}

static int
check_id (const char *id)
{
  struct utmp *up;
  struct utmp ut;
  int n;

  setutent ();

  ut.ut_type = USER_PROCESS;
  strcpy (ut.ut_id, id);
  up = getutid (&ut);
  if (up == NULL)
    {
      error (0, errno, "cannot get entry for ID `%s'", id);
      return 1;
    }

  endutent ();

  for (n = 0; n < num_entries; n++)
    {
      if (strcmp (id, entry[n].ut_id) == 0)
	{
	  if (memcmp (up, &entry[n], sizeof (struct utmp)))
	    {
	      error (0, 0, "UTMP entry does not match");
	      return 1;
	    }

	  return 0;
	}
    }

  error (0, 0, "bogus entry for ID `%s'", id);
  return 1;
}

static int
check_type (int type)
{
  struct utmp *up;
  struct utmp ut;
  int n;

  setutent ();

  ut.ut_type = type;
  up = getutid (&ut);
  if (up == NULL)
    {
      error (0, errno, "cannot get entry for type `%d'", type);
      return 1;
    }

  endutent ();

  for (n = 0; n < num_entries; n++)
    {
      if (type == entry[n].ut_type)
	{
	  if (memcmp (up, &entry[n], sizeof (struct utmp)))
	    {
	      error (0, 0, "UTMP entry does not match");
	      return 1;
	    }

	  return 0;
	}
    }

  error (0, 0, "bogus entry for type `%d'", type);
  return 1;
}

static int
do_test (int argc, char *argv[])
{
  int result = 0;

  utmpname (name);

  result |= do_init ();
  result |= do_check ();

  result |= simulate_login ("tty1", "erwin");
  result |= do_check ();

  result |= simulate_login ("ttyp1", "paul");
  result |= do_check ();

  result |= simulate_logout ("tty2");
  result |= do_check ();

  result |= simulate_logout ("ttyp0");
  result |= do_check ();

  result |= simulate_login ("ttyp2", "richard");
  result |= do_check ();

  result |= check_login ("tty1");
  result |= check_logout ("ttyp0");
  result |= check_id ("p1");
  result |= check_id ("2");
  result |= check_id ("si");
  result |= check_type (BOOT_TIME);
  result |= check_type (RUN_LVL);

  return result;
}

#else

/* No field 'ut_type' in struct utmp.  */
int
main ()
{
  return 0;
}

#endif