source: vendor/current/nsswitch/nsstest.c

Last change on this file was 988, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.3
File size: 10.7 KB
RevLine 
[988]1/*
2 Unix SMB/CIFS implementation.
3 nss tester for winbindd
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Tim Potter 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include "replace.h"
22#include "nsswitch/nsstest.h"
23
24static const char *so_path = "/lib/libnss_winbind.so";
25static const char *nss_name = "winbind";
26static int nss_errno;
27static NSS_STATUS last_error;
28static int total_errors;
29
30static void *find_fn(const char *name)
31{
32 char *s;
33 static void *h;
34 void *res;
35
36 if (asprintf(&s, "_nss_%s_%s", nss_name, name) < 0) {
37 exit(1);
38 }
39
40 if (!h) {
41 h = dlopen(so_path, RTLD_LAZY);
42 }
43 if (!h) {
44 printf("Can't open shared library %s\n", so_path);
45 exit(1);
46 }
47 res = dlsym(h, s);
48 if (!res) {
49 printf("Can't find function %s\n", s);
50 total_errors++;
51 free(s);
52 return NULL;
53 }
54 free(s);
55 return res;
56}
57
58static void report_nss_error(const char *who, NSS_STATUS status)
59{
60 last_error = status;
61 total_errors++;
62 printf("ERROR %s: NSS_STATUS=%d %d (nss_errno=%d)\n",
63 who, status, NSS_STATUS_SUCCESS, nss_errno);
64}
65
66static struct passwd *nss_getpwent(void)
67{
68 NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *,
69 size_t , int *) =
70 (NSS_STATUS (*)(struct passwd *, char *,
71 size_t, int *))find_fn("getpwent_r");
72 static struct passwd pwd;
73 static char buf[1000];
74 NSS_STATUS status;
75
76 if (!_nss_getpwent_r)
77 return NULL;
78
79 status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
80 if (status == NSS_STATUS_NOTFOUND) {
81 return NULL;
82 }
83 if (status != NSS_STATUS_SUCCESS) {
84 report_nss_error("getpwent", status);
85 return NULL;
86 }
87 return &pwd;
88}
89
90static struct passwd *nss_getpwnam(const char *name)
91{
92 NSS_STATUS (*_nss_getpwnam_r)(const char *, struct passwd *, char *,
93 size_t , int *) =
94 (NSS_STATUS (*)(const char *, struct passwd *, char *,
95 size_t, int *))find_fn("getpwnam_r");
96 static struct passwd pwd;
97 static char buf[1000];
98 NSS_STATUS status;
99
100 if (!_nss_getpwnam_r)
101 return NULL;
102
103 status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
104 if (status == NSS_STATUS_NOTFOUND) {
105 return NULL;
106 }
107 if (status != NSS_STATUS_SUCCESS) {
108 report_nss_error("getpwnam", status);
109 return NULL;
110 }
111 return &pwd;
112}
113
114static struct passwd *nss_getpwuid(uid_t uid)
115{
116 NSS_STATUS (*_nss_getpwuid_r)(uid_t , struct passwd *, char *,
117 size_t , int *) =
118 (NSS_STATUS (*)(uid_t, struct passwd *, char *,
119 size_t, int *))find_fn("getpwuid_r");
120 static struct passwd pwd;
121 static char buf[1000];
122 NSS_STATUS status;
123
124 if (!_nss_getpwuid_r)
125 return NULL;
126
127 status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
128 if (status == NSS_STATUS_NOTFOUND) {
129 return NULL;
130 }
131 if (status != NSS_STATUS_SUCCESS) {
132 report_nss_error("getpwuid", status);
133 return NULL;
134 }
135 return &pwd;
136}
137
138static void nss_setpwent(void)
139{
140 NSS_STATUS (*_nss_setpwent)(void) =
141 (NSS_STATUS(*)(void))find_fn("setpwent");
142 NSS_STATUS status;
143
144 if (!_nss_setpwent)
145 return;
146
147 status = _nss_setpwent();
148 if (status != NSS_STATUS_SUCCESS) {
149 report_nss_error("setpwent", status);
150 }
151}
152
153static void nss_endpwent(void)
154{
155 NSS_STATUS (*_nss_endpwent)(void) =
156 (NSS_STATUS (*)(void))find_fn("endpwent");
157 NSS_STATUS status;
158
159 if (!_nss_endpwent)
160 return;
161
162 status = _nss_endpwent();
163 if (status != NSS_STATUS_SUCCESS) {
164 report_nss_error("endpwent", status);
165 }
166}
167
168
169static struct group *nss_getgrent(void)
170{
171 NSS_STATUS (*_nss_getgrent_r)(struct group *, char *,
172 size_t , int *) =
173 (NSS_STATUS (*)(struct group *, char *,
174 size_t, int *))find_fn("getgrent_r");
175 static struct group grp;
176 static char *buf;
177 static int buflen = 1024;
178 NSS_STATUS status;
179
180 if (!_nss_getgrent_r)
181 return NULL;
182
183 if (!buf)
184 buf = (char *)malloc(buflen);
185
186again:
187 status = _nss_getgrent_r(&grp, buf, buflen, &nss_errno);
188 if (status == NSS_STATUS_TRYAGAIN) {
189 buflen *= 2;
190 buf = (char *)realloc(buf, buflen);
191 if (!buf) {
192 return NULL;
193 }
194 goto again;
195 }
196 if (status == NSS_STATUS_NOTFOUND) {
197 free(buf);
198 return NULL;
199 }
200 if (status != NSS_STATUS_SUCCESS) {
201 report_nss_error("getgrent", status);
202 free(buf);
203 return NULL;
204 }
205 return &grp;
206}
207
208static struct group *nss_getgrnam(const char *name)
209{
210 NSS_STATUS (*_nss_getgrnam_r)(const char *, struct group *, char *,
211 size_t , int *) =
212 (NSS_STATUS (*)(const char *, struct group *, char *,
213 size_t, int *))find_fn("getgrnam_r");
214 static struct group grp;
215 static char *buf;
216 static int buflen = 1000;
217 NSS_STATUS status;
218
219 if (!_nss_getgrnam_r)
220 return NULL;
221
222 if (!buf)
223 buf = (char *)malloc(buflen);
224again:
225 status = _nss_getgrnam_r(name, &grp, buf, buflen, &nss_errno);
226 if (status == NSS_STATUS_TRYAGAIN) {
227 buflen *= 2;
228 buf = (char *)realloc(buf, buflen);
229 if (!buf) {
230 return NULL;
231 }
232 goto again;
233 }
234 if (status == NSS_STATUS_NOTFOUND) {
235 free(buf);
236 return NULL;
237 }
238 if (status != NSS_STATUS_SUCCESS) {
239 report_nss_error("getgrnam", status);
240 free(buf);
241 return NULL;
242 }
243 return &grp;
244}
245
246static struct group *nss_getgrgid(gid_t gid)
247{
248 NSS_STATUS (*_nss_getgrgid_r)(gid_t , struct group *, char *,
249 size_t , int *) =
250 (NSS_STATUS (*)(gid_t, struct group *, char *,
251 size_t, int *))find_fn("getgrgid_r");
252 static struct group grp;
253 static char *buf;
254 static int buflen = 1000;
255 NSS_STATUS status;
256
257 if (!_nss_getgrgid_r)
258 return NULL;
259
260 if (!buf)
261 buf = (char *)malloc(buflen);
262
263again:
264 status = _nss_getgrgid_r(gid, &grp, buf, buflen, &nss_errno);
265 if (status == NSS_STATUS_TRYAGAIN) {
266 buflen *= 2;
267 buf = (char *)realloc(buf, buflen);
268 if (!buf) {
269 return NULL;
270 }
271 goto again;
272 }
273 if (status == NSS_STATUS_NOTFOUND) {
274 free(buf);
275 return NULL;
276 }
277 if (status != NSS_STATUS_SUCCESS) {
278 report_nss_error("getgrgid", status);
279 free(buf);
280 return NULL;
281 }
282 return &grp;
283}
284
285static void nss_setgrent(void)
286{
287 NSS_STATUS (*_nss_setgrent)(void) =
288 (NSS_STATUS (*)(void))find_fn("setgrent");
289 NSS_STATUS status;
290
291 if (!_nss_setgrent)
292 return;
293
294 status = _nss_setgrent();
295 if (status != NSS_STATUS_SUCCESS) {
296 report_nss_error("setgrent", status);
297 }
298}
299
300static void nss_endgrent(void)
301{
302 NSS_STATUS (*_nss_endgrent)(void) =
303 (NSS_STATUS (*)(void))find_fn("endgrent");
304 NSS_STATUS status;
305
306 if (!_nss_endgrent)
307 return;
308
309 status = _nss_endgrent();
310 if (status != NSS_STATUS_SUCCESS) {
311 report_nss_error("endgrent", status);
312 }
313}
314
315static int nss_initgroups(char *user, gid_t group, gid_t **groups, long int *start, long int *size)
316{
317 NSS_STATUS (*_nss_initgroups)(char *, gid_t , long int *,
318 long int *, gid_t **, long int , int *) =
319 (NSS_STATUS (*)(char *, gid_t, long int *,
320 long int *, gid_t **,
321 long int, int *))find_fn("initgroups_dyn");
322 NSS_STATUS status;
323
324 if (!_nss_initgroups)
325 return NSS_STATUS_UNAVAIL;
326
327 status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
328 if (status != NSS_STATUS_SUCCESS) {
329 report_nss_error("initgroups", status);
330 }
331 return status;
332}
333
334static void print_passwd(struct passwd *pwd)
335{
336 printf("%s:%s:%lu:%lu:%s:%s:%s\n",
337 pwd->pw_name,
338 pwd->pw_passwd,
339 (unsigned long)pwd->pw_uid,
340 (unsigned long)pwd->pw_gid,
341 pwd->pw_gecos,
342 pwd->pw_dir,
343 pwd->pw_shell);
344}
345
346static void print_group(struct group *grp)
347{
348 int i;
349 printf("%s:%s:%lu:",
350 grp->gr_name,
351 grp->gr_passwd,
352 (unsigned long)grp->gr_gid);
353
354 if (!grp->gr_mem[0]) {
355 printf("\n");
356 return;
357 }
358
359 for (i=0; grp->gr_mem[i+1]; i++) {
360 printf("%s,", grp->gr_mem[i]);
361 }
362 printf("%s\n", grp->gr_mem[i]);
363}
364
365static void nss_test_initgroups(char *name, gid_t gid)
366{
367 long int size = 16;
368 long int start = 1;
369 gid_t *groups = NULL;
370 int i;
371 NSS_STATUS status;
372
373 groups = (gid_t *)malloc(sizeof(gid_t) * size);
374 if (groups == NULL) {
375 printf("Unable to allocate memory for groups\n");
376 return;
377 }
378 groups[0] = gid;
379
380 status = nss_initgroups(name, gid, &groups, &start, &size);
381 if (status == NSS_STATUS_UNAVAIL) {
382 printf("No initgroups fn\n");
383 return;
384 }
385
386 for (i=0; i<start-1; i++) {
387 printf("%lu, ", (unsigned long)groups[i]);
388 }
389 printf("%lu\n", (unsigned long)groups[i]);
390}
391
392
393static void nss_test_users(void)
394{
395 struct passwd *pwd;
396
397 nss_setpwent();
398 /* loop over all users */
399 while ((pwd = nss_getpwent())) {
400 printf("Testing user %s\n", pwd->pw_name);
401 printf("getpwent: "); print_passwd(pwd);
402 pwd = nss_getpwuid(pwd->pw_uid);
403 if (!pwd) {
404 total_errors++;
405 printf("ERROR: can't getpwuid\n");
406 continue;
407 }
408 printf("getpwuid: "); print_passwd(pwd);
409 pwd = nss_getpwnam(pwd->pw_name);
410 if (!pwd) {
411 total_errors++;
412 printf("ERROR: can't getpwnam\n");
413 continue;
414 }
415 printf("getpwnam: "); print_passwd(pwd);
416 printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
417 printf("\n");
418 }
419 nss_endpwent();
420}
421
422static void nss_test_groups(void)
423{
424 struct group *grp;
425
426 nss_setgrent();
427 /* loop over all groups */
428 while ((grp = nss_getgrent())) {
429 printf("Testing group %s\n", grp->gr_name);
430 printf("getgrent: "); print_group(grp);
431 grp = nss_getgrnam(grp->gr_name);
432 if (!grp) {
433 total_errors++;
434 printf("ERROR: can't getgrnam\n");
435 continue;
436 }
437 printf("getgrnam: "); print_group(grp);
438 grp = nss_getgrgid(grp->gr_gid);
439 if (!grp) {
440 total_errors++;
441 printf("ERROR: can't getgrgid\n");
442 continue;
443 }
444 printf("getgrgid: "); print_group(grp);
445 printf("\n");
446 }
447 nss_endgrent();
448}
449
450static void nss_test_errors(void)
451{
452 struct passwd *pwd;
453 struct group *grp;
454
455 pwd = getpwnam("nosuchname");
456 if (pwd || last_error != NSS_STATUS_NOTFOUND) {
457 total_errors++;
458 printf("ERROR Non existent user gave error %d\n", last_error);
459 }
460
461 pwd = getpwuid(0xFFF0);
462 if (pwd || last_error != NSS_STATUS_NOTFOUND) {
463 total_errors++;
464 printf("ERROR Non existent uid gave error %d\n", last_error);
465 }
466
467 grp = getgrnam("nosuchgroup");
468 if (grp || last_error != NSS_STATUS_NOTFOUND) {
469 total_errors++;
470 printf("ERROR Non existent group gave error %d\n", last_error);
471 }
472
473 grp = getgrgid(0xFFF0);
474 if (grp || last_error != NSS_STATUS_NOTFOUND) {
475 total_errors++;
476 printf("ERROR Non existent gid gave error %d\n", last_error);
477 }
478}
479
480 int main(int argc, char *argv[])
481{
482 if (argc > 1) so_path = argv[1];
483 if (argc > 2) nss_name = argv[2];
484
485 nss_test_users();
486 nss_test_groups();
487 nss_test_errors();
488
489 printf("total_errors=%d\n", total_errors);
490
491 return total_errors;
492}
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