1 /*-
2 * Copyright (c) 2006 Michael Bushkov <bushman@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 */
27
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30
31 #include <errno.h>
32 #include <pwd.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37
38 #include <atf-c.h>
39
40 #include "testutil.h"
41
42 enum test_methods {
43 TEST_GETPWENT,
44 TEST_GETPWNAM,
45 TEST_GETPWUID,
46 TEST_GETPWENT_2PASS,
47 TEST_BUILD_SNAPSHOT
48 };
49
50 static enum test_methods method = TEST_BUILD_SNAPSHOT;
51
52 DECLARE_TEST_DATA(passwd)
53 DECLARE_TEST_FILE_SNAPSHOT(passwd)
54 DECLARE_1PASS_TEST(passwd)
55 DECLARE_2PASS_TEST(passwd)
56
57 static void clone_passwd(struct passwd *, struct passwd const *);
58 static int compare_passwd(struct passwd *, struct passwd *, void *);
59 static void free_passwd(struct passwd *);
60
61 static void sdump_passwd(struct passwd *, char *, size_t);
62 static void dump_passwd(struct passwd *);
63
64 static int passwd_read_snapshot_func(struct passwd *, char *);
65
66 static int passwd_check_ambiguity(struct passwd_test_data *, struct passwd *);
67 static int passwd_fill_test_data(struct passwd_test_data *);
68 static int passwd_test_correctness(struct passwd *, void *);
69 static int passwd_test_getpwnam(struct passwd *, void *);
70 static int passwd_test_getpwuid(struct passwd *, void *);
71 static int passwd_test_getpwent(struct passwd *, void *);
72
73 IMPLEMENT_TEST_DATA(passwd)
IMPLEMENT_TEST_FILE_SNAPSHOT(passwd)74 IMPLEMENT_TEST_FILE_SNAPSHOT(passwd)
75 IMPLEMENT_1PASS_TEST(passwd)
76 IMPLEMENT_2PASS_TEST(passwd)
77
78 static void
79 clone_passwd(struct passwd *dest, struct passwd const *src)
80 {
81 ATF_REQUIRE(dest != NULL);
82 ATF_REQUIRE(src != NULL);
83
84 memcpy(dest, src, sizeof(struct passwd));
85 if (src->pw_name != NULL)
86 dest->pw_name = strdup(src->pw_name);
87 if (src->pw_passwd != NULL)
88 dest->pw_passwd = strdup(src->pw_passwd);
89 if (src->pw_class != NULL)
90 dest->pw_class = strdup(src->pw_class);
91 if (src->pw_gecos != NULL)
92 dest->pw_gecos = strdup(src->pw_gecos);
93 if (src->pw_dir != NULL)
94 dest->pw_dir = strdup(src->pw_dir);
95 if (src->pw_shell != NULL)
96 dest->pw_shell = strdup(dest->pw_shell);
97 }
98
99 static int
compare_passwd(struct passwd * pwd1,struct passwd * pwd2,void * mdata)100 compare_passwd(struct passwd *pwd1, struct passwd *pwd2, void *mdata)
101 {
102 ATF_REQUIRE(pwd1 != NULL);
103 ATF_REQUIRE(pwd2 != NULL);
104
105 if (pwd1 == pwd2)
106 return (0);
107
108 if (pwd1->pw_uid != pwd2->pw_uid ||
109 pwd1->pw_gid != pwd2->pw_gid ||
110 pwd1->pw_change != pwd2->pw_change ||
111 pwd1->pw_expire != pwd2->pw_expire ||
112 pwd1->pw_fields != pwd2->pw_fields ||
113 strcmp(pwd1->pw_name, pwd2->pw_name) != 0 ||
114 strcmp(pwd1->pw_passwd, pwd2->pw_passwd) != 0 ||
115 strcmp(pwd1->pw_class, pwd2->pw_class) != 0 ||
116 strcmp(pwd1->pw_gecos, pwd2->pw_gecos) != 0 ||
117 strcmp(pwd1->pw_dir, pwd2->pw_dir) != 0 ||
118 strcmp(pwd1->pw_shell, pwd2->pw_shell) != 0)
119 return (-1);
120 else
121 return (0);
122 }
123
124 static void
free_passwd(struct passwd * pwd)125 free_passwd(struct passwd *pwd)
126 {
127 free(pwd->pw_name);
128 free(pwd->pw_passwd);
129 free(pwd->pw_class);
130 free(pwd->pw_gecos);
131 free(pwd->pw_dir);
132 free(pwd->pw_shell);
133 }
134
135 static void
sdump_passwd(struct passwd * pwd,char * buffer,size_t buflen)136 sdump_passwd(struct passwd *pwd, char *buffer, size_t buflen)
137 {
138 snprintf(buffer, buflen, "%s:%s:%d:%d:%jd:%s:%s:%s:%s:%jd:%d",
139 pwd->pw_name, pwd->pw_passwd, pwd->pw_uid, pwd->pw_gid,
140 (uintmax_t)pwd->pw_change, pwd->pw_class, pwd->pw_gecos,
141 pwd->pw_dir, pwd->pw_shell, (uintmax_t)pwd->pw_expire,
142 pwd->pw_fields);
143 }
144
145 static void
dump_passwd(struct passwd * pwd)146 dump_passwd(struct passwd *pwd)
147 {
148 if (pwd != NULL) {
149 char buffer[2048];
150 sdump_passwd(pwd, buffer, sizeof(buffer));
151 printf("%s\n", buffer);
152 } else
153 printf("(null)\n");
154 }
155
156 static int
passwd_read_snapshot_func(struct passwd * pwd,char * line)157 passwd_read_snapshot_func(struct passwd *pwd, char *line)
158 {
159 char *s, *ps, *ts;
160 int i;
161
162 #ifdef DEBUG
163 printf("1 line read from snapshot:\n%s\n", line);
164 #endif
165
166 i = 0;
167 ps = line;
168 memset(pwd, 0, sizeof(struct passwd));
169 while ((s = strsep(&ps, ":")) != NULL) {
170 switch (i) {
171 case 0:
172 pwd->pw_name = strdup(s);
173 ATF_REQUIRE(pwd->pw_name != NULL);
174 break;
175 case 1:
176 pwd->pw_passwd = strdup(s);
177 ATF_REQUIRE(pwd->pw_passwd != NULL);
178 break;
179 case 2:
180 pwd->pw_uid = (uid_t)strtol(s, &ts, 10);
181 if (*ts != '\0')
182 goto fin;
183 break;
184 case 3:
185 pwd->pw_gid = (gid_t)strtol(s, &ts, 10);
186 if (*ts != '\0')
187 goto fin;
188 break;
189 case 4:
190 pwd->pw_change = (time_t)strtol(s, &ts, 10);
191 if (*ts != '\0')
192 goto fin;
193 break;
194 case 5:
195 pwd->pw_class = strdup(s);
196 ATF_REQUIRE(pwd->pw_class != NULL);
197 break;
198 case 6:
199 pwd->pw_gecos = strdup(s);
200 ATF_REQUIRE(pwd->pw_gecos != NULL);
201 break;
202 case 7:
203 pwd->pw_dir = strdup(s);
204 ATF_REQUIRE(pwd->pw_dir != NULL);
205 break;
206 case 8:
207 pwd->pw_shell = strdup(s);
208 ATF_REQUIRE(pwd->pw_shell != NULL);
209 break;
210 case 9:
211 pwd->pw_expire = (time_t)strtol(s, &ts, 10);
212 if (*ts != '\0')
213 goto fin;
214 break;
215 case 10:
216 pwd->pw_fields = (int)strtol(s, &ts, 10);
217 if (*ts != '\0')
218 goto fin;
219 break;
220 default:
221 break;
222 }
223 ++i;
224 }
225
226 fin:
227 if (i != 11) {
228 free_passwd(pwd);
229 memset(pwd, 0, sizeof(struct passwd));
230 return (-1);
231 }
232
233 return (0);
234 }
235
236 static int
passwd_fill_test_data(struct passwd_test_data * td)237 passwd_fill_test_data(struct passwd_test_data *td)
238 {
239 struct passwd *pwd;
240
241 setpassent(1);
242 while ((pwd = getpwent()) != NULL) {
243 if (passwd_test_correctness(pwd, NULL) == 0)
244 TEST_DATA_APPEND(passwd, td, pwd);
245 else
246 return (-1);
247 }
248 endpwent();
249
250 return (0);
251 }
252
253 static int
passwd_test_correctness(struct passwd * pwd,void * mdata)254 passwd_test_correctness(struct passwd *pwd, void *mdata)
255 {
256
257 #ifdef DEBUG
258 printf("testing correctness with the following data:\n");
259 dump_passwd(pwd);
260 #endif
261
262 if (pwd == NULL)
263 return (-1);
264
265 if (pwd->pw_name == NULL)
266 goto errfin;
267
268 if (pwd->pw_passwd == NULL)
269 goto errfin;
270
271 if (pwd->pw_class == NULL)
272 goto errfin;
273
274 if (pwd->pw_gecos == NULL)
275 goto errfin;
276
277 if (pwd->pw_dir == NULL)
278 goto errfin;
279
280 if (pwd->pw_shell == NULL)
281 goto errfin;
282
283 #ifdef DEBUG
284 printf("correct\n");
285 #endif
286
287 return (0);
288 errfin:
289 #ifdef DEBUG
290 printf("incorrect\n");
291 #endif
292
293 return (-1);
294 }
295
296 /* passwd_check_ambiguity() is needed here because when doing the getpwent()
297 * calls sequence, records from different nsswitch sources can be different,
298 * though having the same pw_name/pw_uid */
299 static int
passwd_check_ambiguity(struct passwd_test_data * td,struct passwd * pwd)300 passwd_check_ambiguity(struct passwd_test_data *td, struct passwd *pwd)
301 {
302
303 return (TEST_DATA_FIND(passwd, td, pwd, compare_passwd,
304 NULL) != NULL ? 0 : -1);
305 }
306
307 static int
passwd_test_getpwnam(struct passwd * pwd_model,void * mdata)308 passwd_test_getpwnam(struct passwd *pwd_model, void *mdata)
309 {
310 struct passwd *pwd;
311
312 #ifdef DEBUG
313 printf("testing getpwnam() with the following data:\n");
314 dump_passwd(pwd_model);
315 #endif
316
317 pwd = getpwnam(pwd_model->pw_name);
318 if (passwd_test_correctness(pwd, NULL) != 0)
319 goto errfin;
320
321 if ((compare_passwd(pwd, pwd_model, NULL) != 0) &&
322 (passwd_check_ambiguity((struct passwd_test_data *)mdata, pwd)
323 !=0))
324 goto errfin;
325
326 #ifdef DEBUG
327 printf("ok\n");
328 #endif
329 return (0);
330
331 errfin:
332 #ifdef DEBUG
333 printf("not ok\n");
334 #endif
335 return (-1);
336 }
337
338 static int
passwd_test_getpwuid(struct passwd * pwd_model,void * mdata)339 passwd_test_getpwuid(struct passwd *pwd_model, void *mdata)
340 {
341 struct passwd *pwd;
342
343 #ifdef DEBUG
344 printf("testing getpwuid() with the following data...\n");
345 dump_passwd(pwd_model);
346 #endif
347
348 pwd = getpwuid(pwd_model->pw_uid);
349 if ((passwd_test_correctness(pwd, NULL) != 0) ||
350 ((compare_passwd(pwd, pwd_model, NULL) != 0) &&
351 (passwd_check_ambiguity((struct passwd_test_data *)mdata, pwd)
352 != 0))) {
353 #ifdef DEBUG
354 printf("not ok\n");
355 #endif
356 return (-1);
357 } else {
358 #ifdef DEBUG
359 printf("ok\n");
360 #endif
361 return (0);
362 }
363 }
364
365 static int
passwd_test_getpwent(struct passwd * pwd,void * mdata)366 passwd_test_getpwent(struct passwd *pwd, void *mdata)
367 {
368 /* Only correctness can be checked when doing 1-pass test for
369 * getpwent(). */
370 return (passwd_test_correctness(pwd, NULL));
371 }
372
373 static int
run_tests(const char * snapshot_file,enum test_methods method)374 run_tests(const char *snapshot_file, enum test_methods method)
375 {
376 struct passwd_test_data td, td_snap, td_2pass;
377 int rv;
378
379 TEST_DATA_INIT(passwd, &td, clone_passwd, free_passwd);
380 TEST_DATA_INIT(passwd, &td_snap, clone_passwd, free_passwd);
381 if (snapshot_file != NULL) {
382 if (access(snapshot_file, W_OK | R_OK) != 0) {
383 if (errno == ENOENT)
384 method = TEST_BUILD_SNAPSHOT;
385 else {
386 printf("can't access the file %s\n",
387 snapshot_file);
388 rv = -1;
389 goto fin;
390 }
391 } else {
392 if (method == TEST_BUILD_SNAPSHOT) {
393 rv = 0;
394 goto fin;
395 }
396
397 TEST_SNAPSHOT_FILE_READ(passwd, snapshot_file,
398 &td_snap, passwd_read_snapshot_func);
399 }
400 }
401
402 rv = passwd_fill_test_data(&td);
403 if (rv == -1)
404 return (-1);
405
406 switch (method) {
407 case TEST_GETPWNAM:
408 if (snapshot_file == NULL)
409 rv = DO_1PASS_TEST(passwd, &td,
410 passwd_test_getpwnam, (void *)&td);
411 else
412 rv = DO_1PASS_TEST(passwd, &td_snap,
413 passwd_test_getpwnam, (void *)&td_snap);
414 break;
415 case TEST_GETPWUID:
416 if (snapshot_file == NULL)
417 rv = DO_1PASS_TEST(passwd, &td,
418 passwd_test_getpwuid, (void *)&td);
419 else
420 rv = DO_1PASS_TEST(passwd, &td_snap,
421 passwd_test_getpwuid, (void *)&td_snap);
422 break;
423 case TEST_GETPWENT:
424 if (snapshot_file == NULL)
425 rv = DO_1PASS_TEST(passwd, &td, passwd_test_getpwent,
426 (void *)&td);
427 else
428 rv = DO_2PASS_TEST(passwd, &td, &td_snap,
429 compare_passwd, NULL);
430 break;
431 case TEST_GETPWENT_2PASS:
432 TEST_DATA_INIT(passwd, &td_2pass, clone_passwd, free_passwd);
433 rv = passwd_fill_test_data(&td_2pass);
434 if (rv != -1)
435 rv = DO_2PASS_TEST(passwd, &td, &td_2pass,
436 compare_passwd, NULL);
437 TEST_DATA_DESTROY(passwd, &td_2pass);
438 break;
439 case TEST_BUILD_SNAPSHOT:
440 if (snapshot_file != NULL)
441 rv = TEST_SNAPSHOT_FILE_WRITE(passwd, snapshot_file,
442 &td, sdump_passwd);
443 break;
444 default:
445 rv = 0;
446 break;
447 }
448
449 fin:
450 TEST_DATA_DESTROY(passwd, &td_snap);
451 TEST_DATA_DESTROY(passwd, &td);
452
453 return (rv);
454 }
455
456 #define SNAPSHOT_FILE "snapshot_pwd"
457
458 ATF_TC_WITHOUT_HEAD(build_snapshot);
ATF_TC_BODY(build_snapshot,tc)459 ATF_TC_BODY(build_snapshot, tc)
460 {
461
462 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
463 }
464
465 ATF_TC_WITHOUT_HEAD(getpwent);
ATF_TC_BODY(getpwent,tc)466 ATF_TC_BODY(getpwent, tc)
467 {
468
469 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETPWENT) == 0);
470 }
471
472 ATF_TC_WITHOUT_HEAD(getpwent_with_snapshot);
ATF_TC_BODY(getpwent_with_snapshot,tc)473 ATF_TC_BODY(getpwent_with_snapshot, tc)
474 {
475
476 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
477 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETPWENT) == 0);
478 }
479
480 ATF_TC_WITHOUT_HEAD(getpwent_with_two_pass);
ATF_TC_BODY(getpwent_with_two_pass,tc)481 ATF_TC_BODY(getpwent_with_two_pass, tc)
482 {
483
484 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETPWENT_2PASS) == 0);
485 }
486
487 ATF_TC_WITHOUT_HEAD(getpwnam);
ATF_TC_BODY(getpwnam,tc)488 ATF_TC_BODY(getpwnam, tc)
489 {
490
491 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETPWNAM) == 0);
492 }
493
494 ATF_TC_WITHOUT_HEAD(getpwnam_with_snapshot);
ATF_TC_BODY(getpwnam_with_snapshot,tc)495 ATF_TC_BODY(getpwnam_with_snapshot, tc)
496 {
497
498 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
499 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETPWNAM) == 0);
500 }
501
502 ATF_TC_WITHOUT_HEAD(getpwuid);
ATF_TC_BODY(getpwuid,tc)503 ATF_TC_BODY(getpwuid, tc)
504 {
505
506 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETPWUID) == 0);
507 }
508
509 ATF_TC_WITHOUT_HEAD(getpwuid_with_snapshot);
ATF_TC_BODY(getpwuid_with_snapshot,tc)510 ATF_TC_BODY(getpwuid_with_snapshot, tc)
511 {
512
513 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_BUILD_SNAPSHOT) == 0);
514 ATF_REQUIRE(run_tests(SNAPSHOT_FILE, TEST_GETPWUID) == 0);
515 }
516
ATF_TP_ADD_TCS(tp)517 ATF_TP_ADD_TCS(tp)
518 {
519
520 ATF_TP_ADD_TC(tp, build_snapshot);
521 ATF_TP_ADD_TC(tp, getpwent);
522 ATF_TP_ADD_TC(tp, getpwent_with_snapshot);
523 ATF_TP_ADD_TC(tp, getpwent_with_two_pass);
524 ATF_TP_ADD_TC(tp, getpwnam);
525 ATF_TP_ADD_TC(tp, getpwnam_with_snapshot);
526 ATF_TP_ADD_TC(tp, getpwuid);
527 ATF_TP_ADD_TC(tp, getpwuid_with_snapshot);
528
529 return (atf_no_error());
530 }
531