tstream_npa: Avoid an unnecessary ZERO_STRUCTP
[Samba.git] / nsswitch / nsstest.c
blob6d92806cffcbcd0db332d121c421ad9f4a93f5e5
1 /*
2 Unix SMB/CIFS implementation.
3 nss tester for winbindd
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Tim Potter 2003
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.
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.
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/>.
21 #include "replace.h"
22 #include "nsswitch/nsstest.h"
24 #define SAFE_FREE(x) do { if ((x) != NULL) {free(x); (x)=NULL;} } while(0)
26 static const char *so_path = "/lib/libnss_winbind.so";
27 static const char *nss_name = "winbind";
28 static int nss_errno;
29 static NSS_STATUS last_error;
30 static int total_errors;
32 static void *find_fn(const char *name)
34 char *s;
35 static void *h;
36 void *res;
38 if (asprintf(&s, "_nss_%s_%s", nss_name, name) < 0) {
39 exit(1);
42 if (!h) {
43 h = dlopen(so_path, RTLD_LAZY);
45 if (!h) {
46 printf("Can't open shared library %s\n", so_path);
47 exit(1);
49 res = dlsym(h, s);
50 if (!res) {
51 printf("Can't find function %s\n", s);
52 total_errors++;
53 SAFE_FREE(s);
54 return NULL;
56 SAFE_FREE(s);
57 return res;
60 static void report_nss_error(const char *who, NSS_STATUS status)
62 last_error = status;
63 total_errors++;
64 printf("ERROR %s: NSS_STATUS=%d %d (nss_errno=%d)\n",
65 who, status, NSS_STATUS_SUCCESS, nss_errno);
68 static struct passwd *nss_getpwent(void)
70 NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *,
71 size_t , int *) =
72 (NSS_STATUS (*)(struct passwd *, char *,
73 size_t, int *))find_fn("getpwent_r");
74 static struct passwd pwd;
75 static char buf[1000];
76 NSS_STATUS status;
78 if (!_nss_getpwent_r)
79 return NULL;
81 status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
82 if (status == NSS_STATUS_NOTFOUND) {
83 return NULL;
85 if (status != NSS_STATUS_SUCCESS) {
86 report_nss_error("getpwent", status);
87 return NULL;
89 return &pwd;
92 static struct passwd *nss_getpwnam(const char *name)
94 NSS_STATUS (*_nss_getpwnam_r)(const char *, struct passwd *, char *,
95 size_t , int *) =
96 (NSS_STATUS (*)(const char *, struct passwd *, char *,
97 size_t, int *))find_fn("getpwnam_r");
98 static struct passwd pwd;
99 static char buf[1000];
100 NSS_STATUS status;
102 if (!_nss_getpwnam_r)
103 return NULL;
105 status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
106 if (status == NSS_STATUS_NOTFOUND) {
107 return NULL;
109 if (status != NSS_STATUS_SUCCESS) {
110 report_nss_error("getpwnam", status);
111 return NULL;
113 return &pwd;
116 static struct passwd *nss_getpwuid(uid_t uid)
118 NSS_STATUS (*_nss_getpwuid_r)(uid_t , struct passwd *, char *,
119 size_t , int *) =
120 (NSS_STATUS (*)(uid_t, struct passwd *, char *,
121 size_t, int *))find_fn("getpwuid_r");
122 static struct passwd pwd;
123 static char buf[1000];
124 NSS_STATUS status;
126 if (!_nss_getpwuid_r)
127 return NULL;
129 status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
130 if (status == NSS_STATUS_NOTFOUND) {
131 return NULL;
133 if (status != NSS_STATUS_SUCCESS) {
134 report_nss_error("getpwuid", status);
135 return NULL;
137 return &pwd;
140 static void nss_setpwent(void)
142 NSS_STATUS (*_nss_setpwent)(void) =
143 (NSS_STATUS(*)(void))find_fn("setpwent");
144 NSS_STATUS status;
146 if (!_nss_setpwent)
147 return;
149 status = _nss_setpwent();
150 if (status != NSS_STATUS_SUCCESS) {
151 report_nss_error("setpwent", status);
155 static void nss_endpwent(void)
157 NSS_STATUS (*_nss_endpwent)(void) =
158 (NSS_STATUS (*)(void))find_fn("endpwent");
159 NSS_STATUS status;
161 if (!_nss_endpwent)
162 return;
164 status = _nss_endpwent();
165 if (status != NSS_STATUS_SUCCESS) {
166 report_nss_error("endpwent", status);
171 static struct group *nss_getgrent(void)
173 NSS_STATUS (*_nss_getgrent_r)(struct group *, char *,
174 size_t , int *) =
175 (NSS_STATUS (*)(struct group *, char *,
176 size_t, int *))find_fn("getgrent_r");
177 static struct group grp;
178 static char *buf;
179 static int buflen = 1024;
180 NSS_STATUS status;
182 if (!_nss_getgrent_r)
183 return NULL;
185 if (!buf)
186 buf = (char *)malloc(buflen);
188 again:
189 status = _nss_getgrent_r(&grp, buf, buflen, &nss_errno);
190 if (status == NSS_STATUS_TRYAGAIN) {
191 buflen *= 2;
192 buf = (char *)realloc(buf, buflen);
193 if (!buf) {
194 return NULL;
196 goto again;
198 if (status == NSS_STATUS_NOTFOUND) {
199 SAFE_FREE(buf);
200 return NULL;
202 if (status != NSS_STATUS_SUCCESS) {
203 report_nss_error("getgrent", status);
204 SAFE_FREE(buf);
205 return NULL;
207 return &grp;
210 static struct group *nss_getgrnam(const char *name)
212 NSS_STATUS (*_nss_getgrnam_r)(const char *, struct group *, char *,
213 size_t , int *) =
214 (NSS_STATUS (*)(const char *, struct group *, char *,
215 size_t, int *))find_fn("getgrnam_r");
216 static struct group grp;
217 static char *buf;
218 static int buflen = 1000;
219 NSS_STATUS status;
221 if (!_nss_getgrnam_r)
222 return NULL;
224 if (!buf)
225 buf = (char *)malloc(buflen);
226 again:
227 status = _nss_getgrnam_r(name, &grp, buf, buflen, &nss_errno);
228 if (status == NSS_STATUS_TRYAGAIN) {
229 buflen *= 2;
230 buf = (char *)realloc(buf, buflen);
231 if (!buf) {
232 return NULL;
234 goto again;
236 if (status == NSS_STATUS_NOTFOUND) {
237 SAFE_FREE(buf);
238 return NULL;
240 if (status != NSS_STATUS_SUCCESS) {
241 report_nss_error("getgrnam", status);
242 SAFE_FREE(buf);
243 return NULL;
245 return &grp;
248 static struct group *nss_getgrgid(gid_t gid)
250 NSS_STATUS (*_nss_getgrgid_r)(gid_t , struct group *, char *,
251 size_t , int *) =
252 (NSS_STATUS (*)(gid_t, struct group *, char *,
253 size_t, int *))find_fn("getgrgid_r");
254 static struct group grp;
255 static char *buf;
256 static int buflen = 1000;
257 NSS_STATUS status;
259 if (!_nss_getgrgid_r)
260 return NULL;
262 if (!buf)
263 buf = (char *)malloc(buflen);
265 again:
266 status = _nss_getgrgid_r(gid, &grp, buf, buflen, &nss_errno);
267 if (status == NSS_STATUS_TRYAGAIN) {
268 buflen *= 2;
269 buf = (char *)realloc(buf, buflen);
270 if (!buf) {
271 return NULL;
273 goto again;
275 if (status == NSS_STATUS_NOTFOUND) {
276 SAFE_FREE(buf);
277 return NULL;
279 if (status != NSS_STATUS_SUCCESS) {
280 report_nss_error("getgrgid", status);
281 SAFE_FREE(buf);
282 return NULL;
284 return &grp;
287 static void nss_setgrent(void)
289 NSS_STATUS (*_nss_setgrent)(void) =
290 (NSS_STATUS (*)(void))find_fn("setgrent");
291 NSS_STATUS status;
293 if (!_nss_setgrent)
294 return;
296 status = _nss_setgrent();
297 if (status != NSS_STATUS_SUCCESS) {
298 report_nss_error("setgrent", status);
302 static void nss_endgrent(void)
304 NSS_STATUS (*_nss_endgrent)(void) =
305 (NSS_STATUS (*)(void))find_fn("endgrent");
306 NSS_STATUS status;
308 if (!_nss_endgrent)
309 return;
311 status = _nss_endgrent();
312 if (status != NSS_STATUS_SUCCESS) {
313 report_nss_error("endgrent", status);
317 static int nss_initgroups(char *user, gid_t group, gid_t **groups, long int *start, long int *size)
319 NSS_STATUS (*_nss_initgroups)(char *, gid_t , long int *,
320 long int *, gid_t **, long int , int *) =
321 (NSS_STATUS (*)(char *, gid_t, long int *,
322 long int *, gid_t **,
323 long int, int *))find_fn("initgroups_dyn");
324 NSS_STATUS status;
326 if (!_nss_initgroups)
327 return NSS_STATUS_UNAVAIL;
329 status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
330 if (status != NSS_STATUS_SUCCESS) {
331 report_nss_error("initgroups", status);
333 return status;
336 static void print_passwd(struct passwd *pwd)
338 printf("%s:%s:%lu:%lu:%s:%s:%s\n",
339 pwd->pw_name,
340 pwd->pw_passwd,
341 (unsigned long)pwd->pw_uid,
342 (unsigned long)pwd->pw_gid,
343 pwd->pw_gecos,
344 pwd->pw_dir,
345 pwd->pw_shell);
348 static void print_group(struct group *grp)
350 int i;
351 printf("%s:%s:%lu:",
352 grp->gr_name,
353 grp->gr_passwd,
354 (unsigned long)grp->gr_gid);
356 if (!grp->gr_mem[0]) {
357 printf("\n");
358 return;
361 for (i=0; grp->gr_mem[i+1]; i++) {
362 printf("%s,", grp->gr_mem[i]);
364 printf("%s\n", grp->gr_mem[i]);
367 static void nss_test_initgroups(char *name, gid_t gid)
369 long int size = 16;
370 long int start = 1;
371 gid_t *groups = NULL;
372 int i;
373 NSS_STATUS status;
375 groups = (gid_t *)malloc(sizeof(gid_t) * size);
376 if (groups == NULL) {
377 printf("Unable to allocate memory for groups\n");
378 return;
380 groups[0] = gid;
382 status = nss_initgroups(name, gid, &groups, &start, &size);
383 if (status == NSS_STATUS_UNAVAIL) {
384 printf("No initgroups fn\n");
385 return;
388 for (i=0; i<start-1; i++) {
389 printf("%lu, ", (unsigned long)groups[i]);
391 printf("%lu\n", (unsigned long)groups[i]);
395 static void nss_test_users(void)
397 struct passwd *pwd;
399 nss_setpwent();
400 /* loop over all users */
401 while ((pwd = nss_getpwent())) {
402 printf("Testing user %s\n", pwd->pw_name);
403 printf("getpwent: "); print_passwd(pwd);
404 pwd = nss_getpwuid(pwd->pw_uid);
405 if (!pwd) {
406 total_errors++;
407 printf("ERROR: can't getpwuid\n");
408 continue;
410 printf("getpwuid: "); print_passwd(pwd);
411 pwd = nss_getpwnam(pwd->pw_name);
412 if (!pwd) {
413 total_errors++;
414 printf("ERROR: can't getpwnam\n");
415 continue;
417 printf("getpwnam: "); print_passwd(pwd);
418 printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
419 printf("\n");
421 nss_endpwent();
424 static void nss_test_groups(void)
426 struct group *grp;
428 nss_setgrent();
429 /* loop over all groups */
430 while ((grp = nss_getgrent())) {
431 printf("Testing group %s\n", grp->gr_name);
432 printf("getgrent: "); print_group(grp);
433 grp = nss_getgrnam(grp->gr_name);
434 if (!grp) {
435 total_errors++;
436 printf("ERROR: can't getgrnam\n");
437 continue;
439 printf("getgrnam: "); print_group(grp);
440 grp = nss_getgrgid(grp->gr_gid);
441 if (!grp) {
442 total_errors++;
443 printf("ERROR: can't getgrgid\n");
444 continue;
446 printf("getgrgid: "); print_group(grp);
447 printf("\n");
449 nss_endgrent();
452 static void nss_test_errors(void)
454 struct passwd *pwd;
455 struct group *grp;
457 pwd = getpwnam("nosuchname");
458 if (pwd || last_error != NSS_STATUS_NOTFOUND) {
459 total_errors++;
460 printf("ERROR Non existent user gave error %d\n", last_error);
463 pwd = getpwuid(0xFFF0);
464 if (pwd || last_error != NSS_STATUS_NOTFOUND) {
465 total_errors++;
466 printf("ERROR Non existent uid gave error %d\n", last_error);
469 grp = getgrnam("nosuchgroup");
470 if (grp || last_error != NSS_STATUS_NOTFOUND) {
471 total_errors++;
472 printf("ERROR Non existent group gave error %d\n", last_error);
475 grp = getgrgid(0xFFF0);
476 if (grp || last_error != NSS_STATUS_NOTFOUND) {
477 total_errors++;
478 printf("ERROR Non existent gid gave error %d\n", last_error);
482 int main(int argc, char *argv[])
484 if (argc > 1) so_path = argv[1];
485 if (argc > 2) nss_name = argv[2];
487 nss_test_users();
488 nss_test_groups();
489 nss_test_errors();
491 printf("total_errors=%d\n", total_errors);
493 return total_errors;