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 2 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, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 static const char *so_path = "/lib/libnss_winbind.so";
  25 static const char *nss_name = "winbind";
  26 static int nss_errno;
  27 static NSS_STATUS last_error;
  28 static int total_errors;
  29
  30 static void *find_fn(const char *name)
  31 {
  32         pstring s;
  33         static void *h;
  34         void *res;
  35
  36         pstr_sprintf(s, "_nss_%s_%s", nss_name, name);
  37
  38         if (!h) {
  39                 h = sys_dlopen(so_path, RTLD_LAZY);
  40         }
  41         if (!h) {
  42                 printf("Can't open shared library %s\n", so_path);
  43                 exit(1);
  44         }
  45         res = sys_dlsym(h, s);
  46         if (!res) {
  47                 printf("Can't find function %s\n", s);
  48                 total_errors++;
  49                 return NULL;
  50         }
  51         return res;
  52 }
  53
  54 static void report_nss_error(const char *who, NSS_STATUS status)
  55 {
  56         last_error = status;
  57         total_errors++;
  58         printf("ERROR %s: NSS_STATUS=%d  %d (nss_errno=%d)\n",
  59                who, status, NSS_STATUS_SUCCESS, nss_errno);
  60 }
  61
  62 static struct passwd *nss_getpwent(void)
  63 {
  64         NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *,
  65                                       size_t , int *) =
  66                 (NSS_STATUS (*)(struct passwd *, char *,
  67                                 size_t, int *))find_fn("getpwent_r");
  68         static struct passwd pwd;
  69         static char buf[1000];
  70         NSS_STATUS status;
  71
  72         if (!_nss_getpwent_r)
  73                 return NULL;
  74
  75         status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
  76         if (status == NSS_STATUS_NOTFOUND) {
  77                 return NULL;
  78         }
  79         if (status != NSS_STATUS_SUCCESS) {
  80                 report_nss_error("getpwent", status);
  81                 return NULL;
  82         }
  83         return &pwd;
  84 }
  85
  86 static struct passwd *nss_getpwnam(const char *name)
  87 {
  88         NSS_STATUS (*_nss_getpwnam_r)(const char *, struct passwd *, char *,
  89                                       size_t , int *) =
  90                 (NSS_STATUS (*)(const char *, struct passwd *, char *,
  91                                 size_t, int *))find_fn("getpwnam_r");
  92         static struct passwd pwd;
  93         static char buf[1000];
  94         NSS_STATUS status;
  95
  96         if (!_nss_getpwnam_r)
  97                 return NULL;
  98
  99         status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
 100         if (status == NSS_STATUS_NOTFOUND) {
 101                 return NULL;
 102         }
 103         if (status != NSS_STATUS_SUCCESS) {
 104                 report_nss_error("getpwnam", status);
 105                 return NULL;
 106         }
 107         return &pwd;
 108 }
 109
 110 static struct passwd *nss_getpwuid(uid_t uid)
 111 {
 112         NSS_STATUS (*_nss_getpwuid_r)(uid_t , struct passwd *, char *,
 113                                       size_t , int *) =
 114                 (NSS_STATUS (*)(uid_t, struct passwd *, char *,
 115                                 size_t, int *))find_fn("getpwuid_r");
 116         static struct passwd pwd;
 117         static char buf[1000];
 118         NSS_STATUS status;
 119
 120         if (!_nss_getpwuid_r)
 121                 return NULL;
 122
 123         status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
 124         if (status == NSS_STATUS_NOTFOUND) {
 125                 return NULL;
 126         }
 127         if (status != NSS_STATUS_SUCCESS) {
 128                 report_nss_error("getpwuid", status);
 129                 return NULL;
 130         }
 131         return &pwd;
 132 }
 133
 134 static void nss_setpwent(void)
 135 {
 136         NSS_STATUS (*_nss_setpwent)(void) =
 137                 (NSS_STATUS(*)(void))find_fn("setpwent");
 138         NSS_STATUS status;
 139
 140         if (!_nss_setpwent)
 141                 return;
 142
 143         status = _nss_setpwent();
 144         if (status != NSS_STATUS_SUCCESS) {
 145                 report_nss_error("setpwent", status);
 146         }
 147 }
 148
 149 static void nss_endpwent(void)
 150 {
 151         NSS_STATUS (*_nss_endpwent)(void) =
 152                 (NSS_STATUS (*)(void))find_fn("endpwent");
 153         NSS_STATUS status;
 154
 155         if (!_nss_endpwent)
 156                 return;
 157
 158         status = _nss_endpwent();
 159         if (status != NSS_STATUS_SUCCESS) {
 160                 report_nss_error("endpwent", status);
 161         }
 162 }
 163
 164
 165 static struct group *nss_getgrent(void)
 166 {
 167         NSS_STATUS (*_nss_getgrent_r)(struct group *, char *,
 168                                       size_t , int *) =
 169                 (NSS_STATUS (*)(struct group *, char *,
 170                                 size_t, int *))find_fn("getgrent_r");
 171         static struct group grp;
 172         static char *buf;
 173         static int buflen = 1024;
 174         NSS_STATUS status;
 175
 176         if (!_nss_getgrent_r)
 177                 return NULL;
 178
 179         if (!buf)
 180                 buf = SMB_MALLOC_ARRAY(char, buflen);
 181
 182 again:
 183         status = _nss_getgrent_r(&grp, buf, buflen, &nss_errno);
 184         if (status == NSS_STATUS_TRYAGAIN) {
 185                 buflen *= 2;
 186                 buf = SMB_REALLOC_ARRAY(buf, char, buflen);
 187                 if (!buf) {
 188                         return NULL;
 189                 }
 190                 goto again;
 191         }
 192         if (status == NSS_STATUS_NOTFOUND) {
 193                 return NULL;
 194         }
 195         if (status != NSS_STATUS_SUCCESS) {
 196                 report_nss_error("getgrent", status);
 197                 return NULL;
 198         }
 199         return &grp;
 200 }
 201
 202 static struct group *nss_getgrnam(const char *name)
 203 {
 204         NSS_STATUS (*_nss_getgrnam_r)(const char *, struct group *, char *,
 205                                       size_t , int *) =
 206                 (NSS_STATUS (*)(const char *, struct group *, char *,
 207                                 size_t, int *))find_fn("getgrnam_r");
 208         static struct group grp;
 209         static char *buf;
 210         static int buflen = 1000;
 211         NSS_STATUS status;
 212
 213         if (!_nss_getgrnam_r)
 214                 return NULL;
 215
 216         if (!buf)
 217                 buf = SMB_MALLOC_ARRAY(char, buflen);
 218 again:
 219         status = _nss_getgrnam_r(name, &grp, buf, buflen, &nss_errno);
 220         if (status == NSS_STATUS_TRYAGAIN) {
 221                 buflen *= 2;
 222                 buf = SMB_REALLOC_ARRAY(buf, char, buflen);
 223                 if (!buf) {
 224                         return NULL;
 225                 }
 226                 goto again;
 227         }
 228         if (status == NSS_STATUS_NOTFOUND) {
 229                 return NULL;
 230         }
 231         if (status != NSS_STATUS_SUCCESS) {
 232                 report_nss_error("getgrnam", status);
 233                 return NULL;
 234         }
 235         return &grp;
 236 }
 237
 238 static struct group *nss_getgrgid(gid_t gid)
 239 {
 240         NSS_STATUS (*_nss_getgrgid_r)(gid_t , struct group *, char *,
 241                                       size_t , int *) =
 242                 (NSS_STATUS (*)(gid_t, struct group *, char *,
 243                                 size_t, int *))find_fn("getgrgid_r");
 244         static struct group grp;
 245         static char *buf;
 246         static int buflen = 1000;
 247         NSS_STATUS status;
 248
 249         if (!_nss_getgrgid_r)
 250                 return NULL;
 251
 252         if (!buf)
 253                 buf = SMB_MALLOC_ARRAY(char, buflen);
 254
 255 again:
 256         status = _nss_getgrgid_r(gid, &grp, buf, buflen, &nss_errno);
 257         if (status == NSS_STATUS_TRYAGAIN) {
 258                 buflen *= 2;
 259                 buf = SMB_REALLOC_ARRAY(buf, char, buflen);
 260                 if (!buf) {
 261                         return NULL;
 262                 }
 263                 goto again;
 264         }
 265         if (status == NSS_STATUS_NOTFOUND) {
 266                 return NULL;
 267         }
 268         if (status != NSS_STATUS_SUCCESS) {
 269                 report_nss_error("getgrgid", status);
 270                 return NULL;
 271         }
 272         return &grp;
 273 }
 274
 275 static void nss_setgrent(void)
 276 {
 277         NSS_STATUS (*_nss_setgrent)(void) =
 278                 (NSS_STATUS (*)(void))find_fn("setgrent");
 279         NSS_STATUS status;
 280
 281         if (!_nss_setgrent)
 282                 return;
 283
 284         status = _nss_setgrent();
 285         if (status != NSS_STATUS_SUCCESS) {
 286                 report_nss_error("setgrent", status);
 287         }
 288 }
 289
 290 static void nss_endgrent(void)
 291 {
 292         NSS_STATUS (*_nss_endgrent)(void) =
 293                 (NSS_STATUS (*)(void))find_fn("endgrent");
 294         NSS_STATUS status;
 295
 296         if (!_nss_endgrent)
 297                 return;
 298
 299         status = _nss_endgrent();
 300         if (status != NSS_STATUS_SUCCESS) {
 301                 report_nss_error("endgrent", status);
 302         }
 303 }
 304
 305 static int nss_initgroups(char *user, gid_t group, gid_t **groups, long int *start, long int *size)
 306 {
 307         NSS_STATUS (*_nss_initgroups)(char *, gid_t , long int *,
 308                                       long int *, gid_t **, long int , int *) =
 309                 (NSS_STATUS (*)(char *, gid_t, long int *,
 310                                 long int *, gid_t **,
 311                                 long int, int *))find_fn("initgroups_dyn");
 312         NSS_STATUS status;
 313
 314         if (!_nss_initgroups)
 315                 return NSS_STATUS_UNAVAIL;
 316
 317         status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
 318         if (status != NSS_STATUS_SUCCESS) {
 319                 report_nss_error("initgroups", status);
 320         }
 321         return status;
 322 }
 323
 324 static void print_passwd(struct passwd *pwd)
 325 {
 326         printf("%s:%s:%lu:%lu:%s:%s:%s\n",
 327                pwd->pw_name,
 328                pwd->pw_passwd,
 329                (unsigned long)pwd->pw_uid,
 330                (unsigned long)pwd->pw_gid,
 331                pwd->pw_gecos,
 332                pwd->pw_dir,
 333                pwd->pw_shell);
 334 }
 335
 336 static void print_group(struct group *grp)
 337 {
 338         int i;
 339         printf("%s:%s:%lu: ",
 340                grp->gr_name,
 341                grp->gr_passwd,
 342                (unsigned long)grp->gr_gid);
 343
 344         if (!grp->gr_mem[0]) {
 345                 printf("\n");
 346                 return;
 347         }
 348
 349         for (i=0; grp->gr_mem[i+1]; i++) {
 350                 printf("%s, ", grp->gr_mem[i]);
 351         }
 352         printf("%s\n", grp->gr_mem[i]);
 353 }
 354
 355 static void nss_test_initgroups(char *name, gid_t gid)
 356 {
 357         long int size = 16;
 358         long int start = 1;
 359         gid_t *groups = NULL;
 360         int i;
 361         NSS_STATUS status;
 362
 363         groups = SMB_MALLOC_ARRAY(gid_t, size);
 364         groups[0] = gid;
 365
 366         status = nss_initgroups(name, gid, &groups, &start, &size);
 367         if (status == NSS_STATUS_UNAVAIL) {
 368                 printf("No initgroups fn\n");
 369                 return;
 370         }
 371
 372         for (i=0; i<start-1; i++) {
 373                 printf("%lu, ", (unsigned long)groups[i]);
 374         }
 375         printf("%lu\n", (unsigned long)groups[i]);
 376 }
 377
 378
 379 static void nss_test_users(void)
 380 {
 381         struct passwd *pwd;
 382
 383         nss_setpwent();
 384         /* loop over all users */
 385         while ((pwd = nss_getpwent())) {
 386                 printf("Testing user %s\n", pwd->pw_name);
 387                 printf("getpwent:   "); print_passwd(pwd);
 388                 pwd = nss_getpwuid(pwd->pw_uid);
 389                 if (!pwd) {
 390                         total_errors++;
 391                         printf("ERROR: can't getpwuid\n");
 392                         continue;
 393                 }
 394                 printf("getpwuid:   "); print_passwd(pwd);
 395                 pwd = nss_getpwnam(pwd->pw_name);
 396                 if (!pwd) {
 397                         total_errors++;
 398                         printf("ERROR: can't getpwnam\n");
 399                         continue;
 400                 }
 401                 printf("getpwnam:   "); print_passwd(pwd);
 402                 printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
 403                 printf("\n");
 404         }
 405         nss_endpwent();
 406 }
 407
 408 static void nss_test_groups(void)
 409 {
 410         struct group *grp;
 411
 412         nss_setgrent();
 413         /* loop over all groups */
 414         while ((grp = nss_getgrent())) {
 415                 printf("Testing group %s\n", grp->gr_name);
 416                 printf("getgrent: "); print_group(grp);
 417                 grp = nss_getgrnam(grp->gr_name);
 418                 if (!grp) {
 419                         total_errors++;
 420                         printf("ERROR: can't getgrnam\n");
 421                         continue;
 422                 }
 423                 printf("getgrnam: "); print_group(grp);
 424                 grp = nss_getgrgid(grp->gr_gid);
 425                 if (!grp) {
 426                         total_errors++;
 427                         printf("ERROR: can't getgrgid\n");
 428                         continue;
 429                 }
 430                 printf("getgrgid: "); print_group(grp);
 431                 printf("\n");
 432         }
 433         nss_endgrent();
 434 }
 435
 436 static void nss_test_errors(void)
 437 {
 438         struct passwd *pwd;
 439         struct group *grp;
 440
 441         pwd = getpwnam("nosuchname");
 442         if (pwd || last_error != NSS_STATUS_NOTFOUND) {
 443                 total_errors++;
 444                 printf("ERROR Non existant user gave error %d\n", last_error);
 445         }
 446
 447         pwd = getpwuid(0xFFF0);
 448         if (pwd || last_error != NSS_STATUS_NOTFOUND) {
 449                 total_errors++;
 450                 printf("ERROR Non existant uid gave error %d\n", last_error);
 451         }
 452
 453         grp = getgrnam("nosuchgroup");
 454         if (grp || last_error != NSS_STATUS_NOTFOUND) {
 455                 total_errors++;
 456                 printf("ERROR Non existant group gave error %d\n", last_error);
 457         }
 458
 459         grp = getgrgid(0xFFF0);
 460         if (grp || last_error != NSS_STATUS_NOTFOUND) {
 461                 total_errors++;
 462                 printf("ERROR Non existant gid gave error %d\n", last_error);
 463         }
 464 }
 465
 466  int main(int argc, char *argv[])
 467 {
 468         if (argc > 1) so_path = argv[1];
 469         if (argc > 2) nss_name = argv[2];
 470
 471         nss_test_users();
 472         nss_test_groups();
 473         nss_test_errors();
 474
 475         printf("total_errors=%d\n", total_errors);
 476
 477         return total_errors;
 478 }