s3-util: for convenience, provide format comments in tdb_unpack().
[jra/samba/.git] / source3 / torture / nsstest.c
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 "includes.h"
22
23 static const char *so_path = "/lib/libnss_winbind.so";
24 static const char *nss_name = "winbind";
25 static int nss_errno;
26 static NSS_STATUS last_error;
27 static int total_errors;
28
29 static void *find_fn(const char *name)
30 {
31         char *s;
32         static void *h;
33         void *res;
34
35         if (asprintf(&s, "_nss_%s_%s", nss_name, name) < 0) {
36                 exit(1);
37         }
38
39         if (!h) {
40                 h = dlopen(so_path, RTLD_LAZY);
41         }
42         if (!h) {
43                 printf("Can't open shared library %s\n", so_path);
44                 exit(1);
45         }
46         res = dlsym(h, s);
47         if (!res) {
48                 printf("Can't find function %s\n", s);
49                 total_errors++;
50                 SAFE_FREE(s);
51                 return NULL;
52         }
53         SAFE_FREE(s);
54         return res;
55 }
56
57 static void report_nss_error(const char *who, NSS_STATUS status)
58 {
59         last_error = status;
60         total_errors++;
61         printf("ERROR %s: NSS_STATUS=%d  %d (nss_errno=%d)\n", 
62                who, status, NSS_STATUS_SUCCESS, nss_errno);
63 }
64
65 static struct passwd *nss_getpwent(void)
66 {
67         NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *, 
68                                       size_t , int *) =
69                 (NSS_STATUS (*)(struct passwd *, char *,
70                                 size_t, int *))find_fn("getpwent_r");
71         static struct passwd pwd;
72         static char buf[1000];
73         NSS_STATUS status;
74
75         if (!_nss_getpwent_r)
76                 return NULL;
77
78         status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
79         if (status == NSS_STATUS_NOTFOUND) {
80                 return NULL;
81         }
82         if (status != NSS_STATUS_SUCCESS) {
83                 report_nss_error("getpwent", status);
84                 return NULL;
85         }
86         return &pwd;
87 }
88
89 static struct passwd *nss_getpwnam(const char *name)
90 {
91         NSS_STATUS (*_nss_getpwnam_r)(const char *, struct passwd *, char *, 
92                                       size_t , int *) =
93                 (NSS_STATUS (*)(const char *, struct passwd *, char *,
94                                 size_t, int *))find_fn("getpwnam_r");
95         static struct passwd pwd;
96         static char buf[1000];
97         NSS_STATUS status;
98
99         if (!_nss_getpwnam_r)
100                 return NULL;
101         
102         status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
103         if (status == NSS_STATUS_NOTFOUND) {
104                 return NULL;
105         }
106         if (status != NSS_STATUS_SUCCESS) {
107                 report_nss_error("getpwnam", status);
108                 return NULL;
109         }
110         return &pwd;
111 }
112
113 static struct passwd *nss_getpwuid(uid_t uid)
114 {
115         NSS_STATUS (*_nss_getpwuid_r)(uid_t , struct passwd *, char *, 
116                                       size_t , int *) =
117                 (NSS_STATUS (*)(uid_t, struct passwd *, char *,
118                                 size_t, int *))find_fn("getpwuid_r");
119         static struct passwd pwd;
120         static char buf[1000];
121         NSS_STATUS status;
122
123         if (!_nss_getpwuid_r)
124                 return NULL;
125         
126         status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
127         if (status == NSS_STATUS_NOTFOUND) {
128                 return NULL;
129         }
130         if (status != NSS_STATUS_SUCCESS) {
131                 report_nss_error("getpwuid", status);
132                 return NULL;
133         }
134         return &pwd;
135 }
136
137 static void nss_setpwent(void)
138 {
139         NSS_STATUS (*_nss_setpwent)(void) =
140                 (NSS_STATUS(*)(void))find_fn("setpwent");
141         NSS_STATUS status;
142         
143         if (!_nss_setpwent)
144                 return;
145
146         status = _nss_setpwent();
147         if (status != NSS_STATUS_SUCCESS) {
148                 report_nss_error("setpwent", status);
149         }
150 }
151
152 static void nss_endpwent(void)
153 {
154         NSS_STATUS (*_nss_endpwent)(void) =
155                 (NSS_STATUS (*)(void))find_fn("endpwent");
156         NSS_STATUS status;
157
158         if (!_nss_endpwent)
159                 return;
160
161         status = _nss_endpwent();
162         if (status != NSS_STATUS_SUCCESS) {
163                 report_nss_error("endpwent", status);
164         }
165 }
166
167
168 static struct group *nss_getgrent(void)
169 {
170         NSS_STATUS (*_nss_getgrent_r)(struct group *, char *, 
171                                       size_t , int *) =
172                 (NSS_STATUS (*)(struct group *, char *,
173                                 size_t, int *))find_fn("getgrent_r");
174         static struct group grp;
175         static char *buf;
176         static int buflen = 1024;
177         NSS_STATUS status;
178
179         if (!_nss_getgrent_r)
180                 return NULL;
181
182         if (!buf) 
183                 buf = SMB_MALLOC_ARRAY(char, buflen);
184
185 again:  
186         status = _nss_getgrent_r(&grp, buf, buflen, &nss_errno);
187         if (status == NSS_STATUS_TRYAGAIN) {
188                 buflen *= 2;
189                 buf = SMB_REALLOC_ARRAY(buf, char, buflen);
190                 if (!buf) {
191                         return NULL;
192                 }
193                 goto again;
194         }
195         if (status == NSS_STATUS_NOTFOUND) {
196                 SAFE_FREE(buf);
197                 return NULL;
198         }
199         if (status != NSS_STATUS_SUCCESS) {
200                 report_nss_error("getgrent", status);
201                 SAFE_FREE(buf);
202                 return NULL;
203         }
204         return &grp;
205 }
206
207 static struct group *nss_getgrnam(const char *name)
208 {
209         NSS_STATUS (*_nss_getgrnam_r)(const char *, struct group *, char *, 
210                                       size_t , int *) =
211                 (NSS_STATUS (*)(const char *, struct group *, char *,
212                                 size_t, int *))find_fn("getgrnam_r");
213         static struct group grp;
214         static char *buf;
215         static int buflen = 1000;
216         NSS_STATUS status;
217
218         if (!_nss_getgrnam_r)
219                 return NULL;
220
221         if (!buf) 
222                 buf = SMB_MALLOC_ARRAY(char, buflen);
223 again:  
224         status = _nss_getgrnam_r(name, &grp, buf, buflen, &nss_errno);
225         if (status == NSS_STATUS_TRYAGAIN) {
226                 buflen *= 2;
227                 buf = SMB_REALLOC_ARRAY(buf, char, buflen);
228                 if (!buf) {
229                         return NULL;
230                 }
231                 goto again;
232         }
233         if (status == NSS_STATUS_NOTFOUND) {
234                 SAFE_FREE(buf);
235                 return NULL;
236         }
237         if (status != NSS_STATUS_SUCCESS) {
238                 report_nss_error("getgrnam", status);
239                 SAFE_FREE(buf);
240                 return NULL;
241         }
242         return &grp;
243 }
244
245 static struct group *nss_getgrgid(gid_t gid)
246 {
247         NSS_STATUS (*_nss_getgrgid_r)(gid_t , struct group *, char *, 
248                                       size_t , int *) =
249                 (NSS_STATUS (*)(gid_t, struct group *, char *,
250                                 size_t, int *))find_fn("getgrgid_r");
251         static struct group grp;
252         static char *buf;
253         static int buflen = 1000;
254         NSS_STATUS status;
255         
256         if (!_nss_getgrgid_r)
257                 return NULL;
258
259         if (!buf) 
260                 buf = SMB_MALLOC_ARRAY(char, buflen);
261
262 again:  
263         status = _nss_getgrgid_r(gid, &grp, buf, buflen, &nss_errno);
264         if (status == NSS_STATUS_TRYAGAIN) {
265                 buflen *= 2;
266                 buf = SMB_REALLOC_ARRAY(buf, char, buflen);
267                 if (!buf) {
268                         return NULL;
269                 }
270                 goto again;
271         }
272         if (status == NSS_STATUS_NOTFOUND) {
273                 SAFE_FREE(buf);
274                 return NULL;
275         }
276         if (status != NSS_STATUS_SUCCESS) {
277                 report_nss_error("getgrgid", status);
278                 SAFE_FREE(buf);
279                 return NULL;
280         }
281         return &grp;
282 }
283
284 static void nss_setgrent(void)
285 {
286         NSS_STATUS (*_nss_setgrent)(void) =
287                 (NSS_STATUS (*)(void))find_fn("setgrent");
288         NSS_STATUS status;
289
290         if (!_nss_setgrent)
291                 return;
292
293         status = _nss_setgrent();
294         if (status != NSS_STATUS_SUCCESS) {
295                 report_nss_error("setgrent", status);
296         }
297 }
298
299 static void nss_endgrent(void)
300 {
301         NSS_STATUS (*_nss_endgrent)(void) =
302                 (NSS_STATUS (*)(void))find_fn("endgrent");
303         NSS_STATUS status;
304
305         if (!_nss_endgrent)
306                 return;
307
308         status = _nss_endgrent();
309         if (status != NSS_STATUS_SUCCESS) {
310                 report_nss_error("endgrent", status);
311         }
312 }
313
314 static int nss_initgroups(char *user, gid_t group, gid_t **groups, long int *start, long int *size)
315 {
316         NSS_STATUS (*_nss_initgroups)(char *, gid_t , long int *,
317                                       long int *, gid_t **, long int , int *) = 
318                 (NSS_STATUS (*)(char *, gid_t, long int *,
319                                 long int *, gid_t **,
320                                 long int, int *))find_fn("initgroups_dyn");
321         NSS_STATUS status;
322
323         if (!_nss_initgroups) 
324                 return NSS_STATUS_UNAVAIL;
325
326         status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
327         if (status != NSS_STATUS_SUCCESS) {
328                 report_nss_error("initgroups", status);
329         }
330         return status;
331 }
332
333 static void print_passwd(struct passwd *pwd)
334 {
335         printf("%s:%s:%lu:%lu:%s:%s:%s\n", 
336                pwd->pw_name,
337                pwd->pw_passwd,
338                (unsigned long)pwd->pw_uid,
339                (unsigned long)pwd->pw_gid,
340                pwd->pw_gecos,
341                pwd->pw_dir,
342                pwd->pw_shell);
343 }
344
345 static void print_group(struct group *grp)
346 {
347         int i;
348         printf("%s:%s:%lu: ", 
349                grp->gr_name,
350                grp->gr_passwd,
351                (unsigned long)grp->gr_gid);
352         
353         if (!grp->gr_mem[0]) {
354                 printf("\n");
355                 return;
356         }
357         
358         for (i=0; grp->gr_mem[i+1]; i++) {
359                 printf("%s, ", grp->gr_mem[i]);
360         }
361         printf("%s\n", grp->gr_mem[i]);
362 }
363
364 static void nss_test_initgroups(char *name, gid_t gid)
365 {
366         long int size = 16;
367         long int start = 1;
368         gid_t *groups = NULL;
369         int i;
370         NSS_STATUS status;
371
372         groups = SMB_MALLOC_ARRAY(gid_t, size);
373         groups[0] = gid;
374
375         status = nss_initgroups(name, gid, &groups, &start, &size);
376         if (status == NSS_STATUS_UNAVAIL) {
377                 printf("No initgroups fn\n");
378                 return;
379         }
380
381         for (i=0; i<start-1; i++) {
382                 printf("%lu, ", (unsigned long)groups[i]);
383         }
384         printf("%lu\n", (unsigned long)groups[i]);
385 }
386
387
388 static void nss_test_users(void)
389 {
390         struct passwd *pwd;
391
392         nss_setpwent();
393         /* loop over all users */
394         while ((pwd = nss_getpwent())) {
395                 printf("Testing user %s\n", pwd->pw_name);
396                 printf("getpwent:   "); print_passwd(pwd);
397                 pwd = nss_getpwuid(pwd->pw_uid);
398                 if (!pwd) {
399                         total_errors++;
400                         printf("ERROR: can't getpwuid\n");
401                         continue;
402                 }
403                 printf("getpwuid:   "); print_passwd(pwd);
404                 pwd = nss_getpwnam(pwd->pw_name);
405                 if (!pwd) {
406                         total_errors++;
407                         printf("ERROR: can't getpwnam\n");
408                         continue;
409                 }
410                 printf("getpwnam:   "); print_passwd(pwd);
411                 printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
412                 printf("\n");
413         }
414         nss_endpwent();
415 }
416
417 static void nss_test_groups(void)
418 {
419         struct group *grp;
420
421         nss_setgrent();
422         /* loop over all groups */
423         while ((grp = nss_getgrent())) {
424                 printf("Testing group %s\n", grp->gr_name);
425                 printf("getgrent: "); print_group(grp);
426                 grp = nss_getgrnam(grp->gr_name);
427                 if (!grp) {
428                         total_errors++;
429                         printf("ERROR: can't getgrnam\n");
430                         continue;
431                 }
432                 printf("getgrnam: "); print_group(grp);
433                 grp = nss_getgrgid(grp->gr_gid);
434                 if (!grp) {
435                         total_errors++;
436                         printf("ERROR: can't getgrgid\n");
437                         continue;
438                 }
439                 printf("getgrgid: "); print_group(grp);
440                 printf("\n");
441         }
442         nss_endgrent();
443 }
444
445 static void nss_test_errors(void)
446 {
447         struct passwd *pwd;
448         struct group *grp;
449
450         pwd = getpwnam("nosuchname");
451         if (pwd || last_error != NSS_STATUS_NOTFOUND) {
452                 total_errors++;
453                 printf("ERROR Non existant user gave error %d\n", last_error);
454         }
455
456         pwd = getpwuid(0xFFF0);
457         if (pwd || last_error != NSS_STATUS_NOTFOUND) {
458                 total_errors++;
459                 printf("ERROR Non existant uid gave error %d\n", last_error);
460         }
461
462         grp = getgrnam("nosuchgroup");
463         if (grp || last_error != NSS_STATUS_NOTFOUND) {
464                 total_errors++;
465                 printf("ERROR Non existant group gave error %d\n", last_error);
466         }
467
468         grp = getgrgid(0xFFF0);
469         if (grp || last_error != NSS_STATUS_NOTFOUND) {
470                 total_errors++;
471                 printf("ERROR Non existant gid gave error %d\n", last_error);
472         }
473 }
474
475  int main(int argc, char *argv[])
476 {       
477         if (argc > 1) so_path = argv[1];
478         if (argc > 2) nss_name = argv[2];
479
480         nss_test_users();
481         nss_test_groups();
482         nss_test_errors();
483
484         printf("total_errors=%d\n", total_errors);
485
486         return total_errors;
487 }