source3/torture/nsstest.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    nss tester for winbindd
   4    Copyright (C) Andrew Tridgell 2001
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  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[1024];
  32         static void *h;
  33         void *res;
  34
  35         snprintf(s,sizeof(s), "_nss_%s_%s", nss_name, name);
  36
  37         if (!h) {
  38                 h = sys_dlopen(so_path, RTLD_LAZY);
  39         }
  40         if (!h) {
  41                 printf("Can't open shared library %s\n", so_path);
  42                 exit(1);
  43         }
  44         res = sys_dlsym(h, s);
  45         if (!res) {
  46                 printf("Can't find function %s\n", s);
  47                 return NULL;
  48         }
  49         return res;
  50 }
  51
  52 static void report_nss_error(const char *who, NSS_STATUS status)
  53 {
  54         last_error = status;
  55         total_errors++;
  56         printf("ERROR %s: NSS_STATUS=%d  %d (nss_errno=%d)\n",
  57                who, status, NSS_STATUS_SUCCESS, nss_errno);
  58 }
  59
  60 static struct passwd *nss_getpwent(void)
  61 {
  62         NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *,
  63                                       size_t , int *) = find_fn("getpwent_r");
  64         static struct passwd pwd;
  65         static char buf[1000];
  66         NSS_STATUS status;
  67
  68         status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
  69         if (status == NSS_STATUS_NOTFOUND) {
  70                 return NULL;
  71         }
  72         if (status != NSS_STATUS_SUCCESS) {
  73                 report_nss_error("getpwent", status);
  74                 return NULL;
  75         }
  76         return &pwd;
  77 }
  78
  79 static struct passwd *nss_getpwnam(const char *name)
  80 {
  81         NSS_STATUS (*_nss_getpwnam_r)(const char *, struct passwd *, char *,
  82                                       size_t , int *) = find_fn("getpwnam_r");
  83         static struct passwd pwd;
  84         static char buf[1000];
  85         NSS_STATUS status;
  86
  87         status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
  88         if (status == NSS_STATUS_NOTFOUND) {
  89                 return NULL;
  90         }
  91         if (status != NSS_STATUS_SUCCESS) {
  92                 report_nss_error("getpwnam", status);
  93                 return NULL;
  94         }
  95         return &pwd;
  96 }
  97
  98 static struct passwd *nss_getpwuid(uid_t uid)
  99 {
 100         NSS_STATUS (*_nss_getpwuid_r)(uid_t , struct passwd *, char *,
 101                                       size_t , int *) = find_fn("getpwuid_r");
 102         static struct passwd pwd;
 103         static char buf[1000];
 104         NSS_STATUS status;
 105
 106         status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
 107         if (status == NSS_STATUS_NOTFOUND) {
 108                 return NULL;
 109         }
 110         if (status != NSS_STATUS_SUCCESS) {
 111                 report_nss_error("getpwuid", status);
 112                 return NULL;
 113         }
 114         return &pwd;
 115 }
 116
 117 static void nss_setpwent(void)
 118 {
 119         NSS_STATUS (*_nss_setpwent)(void) = find_fn("setpwent");
 120         NSS_STATUS status;
 121         status = _nss_setpwent();
 122         if (status != NSS_STATUS_SUCCESS) {
 123                 report_nss_error("setpwent", status);
 124         }
 125 }
 126
 127 static void nss_endpwent(void)
 128 {
 129         NSS_STATUS (*_nss_endpwent)(void) = find_fn("endpwent");
 130         NSS_STATUS status;
 131         status = _nss_endpwent();
 132         if (status != NSS_STATUS_SUCCESS) {
 133                 report_nss_error("endpwent", status);
 134         }
 135 }
 136
 137
 138 static struct group *nss_getgrent(void)
 139 {
 140         NSS_STATUS (*_nss_getgrent_r)(struct group *, char *,
 141                                       size_t , int *) = find_fn("getgrent_r");
 142         static struct group grp;
 143         static char *buf;
 144         static int buflen = 1024;
 145         NSS_STATUS status;
 146
 147         if (!buf) buf = malloc(buflen);
 148
 149 again:
 150         status = _nss_getgrent_r(&grp, buf, buflen, &nss_errno);
 151         if (status == NSS_STATUS_TRYAGAIN) {
 152                 buflen *= 2;
 153                 buf = realloc(buf, buflen);
 154                 goto again;
 155         }
 156         if (status == NSS_STATUS_NOTFOUND) {
 157                 return NULL;
 158         }
 159         if (status != NSS_STATUS_SUCCESS) {
 160                 report_nss_error("getgrent", status);
 161                 return NULL;
 162         }
 163         return &grp;
 164 }
 165
 166 static struct group *nss_getgrnam(const char *name)
 167 {
 168         NSS_STATUS (*_nss_getgrnam_r)(const char *, struct group *, char *,
 169                                       size_t , int *) = find_fn("getgrnam_r");
 170         static struct group grp;
 171         static char *buf;
 172         static int buflen = 1000;
 173         NSS_STATUS status;
 174
 175         if (!buf) buf = malloc(buflen);
 176 again:
 177         status = _nss_getgrnam_r(name, &grp, buf, buflen, &nss_errno);
 178         if (status == NSS_STATUS_TRYAGAIN) {
 179                 buflen *= 2;
 180                 buf = realloc(buf, buflen);
 181                 goto again;
 182         }
 183         if (status == NSS_STATUS_NOTFOUND) {
 184                 return NULL;
 185         }
 186         if (status != NSS_STATUS_SUCCESS) {
 187                 report_nss_error("getgrnam", status);
 188                 return NULL;
 189         }
 190         return &grp;
 191 }
 192
 193 static struct group *nss_getgrgid(gid_t gid)
 194 {
 195         NSS_STATUS (*_nss_getgrgid_r)(gid_t , struct group *, char *,
 196                                       size_t , int *) = find_fn("getgrgid_r");
 197         static struct group grp;
 198         static char *buf;
 199         static int buflen = 1000;
 200         NSS_STATUS status;
 201
 202         if (!buf) buf = malloc(buflen);
 203 again:
 204         status = _nss_getgrgid_r(gid, &grp, buf, buflen, &nss_errno);
 205         if (status == NSS_STATUS_TRYAGAIN) {
 206                 buflen *= 2;
 207                 buf = realloc(buf, buflen);
 208                 goto again;
 209         }
 210         if (status == NSS_STATUS_NOTFOUND) {
 211                 return NULL;
 212         }
 213         if (status != NSS_STATUS_SUCCESS) {
 214                 report_nss_error("getgrgid", status);
 215                 return NULL;
 216         }
 217         return &grp;
 218 }
 219
 220 static void nss_setgrent(void)
 221 {
 222         NSS_STATUS (*_nss_setgrent)(void) = find_fn("setgrent");
 223         NSS_STATUS status;
 224         status = _nss_setgrent();
 225         if (status != NSS_STATUS_SUCCESS) {
 226                 report_nss_error("setgrent", status);
 227         }
 228 }
 229
 230 static void nss_endgrent(void)
 231 {
 232         NSS_STATUS (*_nss_endgrent)(void) = find_fn("endgrent");
 233         NSS_STATUS status;
 234         status = _nss_endgrent();
 235         if (status != NSS_STATUS_SUCCESS) {
 236                 report_nss_error("endgrent", status);
 237         }
 238 }
 239
 240 static int nss_initgroups(char *user, gid_t group, gid_t **groups, long int *start, long int *size)
 241 {
 242         NSS_STATUS (*_nss_initgroups)(char *, gid_t , long int *,
 243                                       long int *, gid_t **, long int , int *) =
 244                 find_fn("initgroups_dyn");
 245         NSS_STATUS status;
 246
 247         if (!_nss_initgroups) return NSS_STATUS_UNAVAIL;
 248
 249         status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
 250         if (status != NSS_STATUS_SUCCESS) {
 251                 report_nss_error("initgroups", status);
 252         }
 253         return status;
 254 }
 255
 256 static void print_passwd(struct passwd *pwd)
 257 {
 258         printf("%s:%s:%d:%d:%s:%s:%s\n",
 259                pwd->pw_name,
 260                pwd->pw_passwd,
 261                pwd->pw_uid,
 262                pwd->pw_gid,
 263                pwd->pw_gecos,
 264                pwd->pw_dir,
 265                pwd->pw_shell);
 266 }
 267
 268 static void print_group(struct group *grp)
 269 {
 270         int i;
 271         printf("%s:%s:%d: ",
 272                grp->gr_name,
 273                grp->gr_passwd,
 274                grp->gr_gid);
 275
 276         if (!grp->gr_mem[0]) {
 277                 printf("\n");
 278                 return;
 279         }
 280
 281         for (i=0; grp->gr_mem[i+1]; i++) {
 282                 printf("%s, ", grp->gr_mem[i]);
 283         }
 284         printf("%s\n", grp->gr_mem[i]);
 285 }
 286
 287 static void nss_test_initgroups(char *name, gid_t gid)
 288 {
 289         long int size = 16;
 290         long int start = 1;
 291         gid_t *groups = NULL;
 292         int i;
 293         NSS_STATUS status;
 294
 295         groups = (gid_t *)malloc(size * sizeof(gid_t));
 296         groups[0] = gid;
 297
 298         status = nss_initgroups(name, gid, &groups, &start, &size);
 299         if (status == NSS_STATUS_UNAVAIL) {
 300                 printf("No initgroups fn\n");
 301                 return;
 302         }
 303
 304         for (i=0; i<start-1; i++) {
 305                 printf("%d, ", groups[i]);
 306         }
 307         printf("%d\n", groups[i]);
 308 }
 309
 310
 311 static void nss_test_users(void)
 312 {
 313         struct passwd *pwd;
 314
 315         nss_setpwent();
 316         /* loop over all users */
 317         while ((pwd = nss_getpwent())) {
 318                 printf("Testing user %s\n", pwd->pw_name);
 319                 printf("getpwent:   "); print_passwd(pwd);
 320                 pwd = nss_getpwuid(pwd->pw_uid);
 321                 if (!pwd) {
 322                         total_errors++;
 323                         printf("ERROR: can't getpwuid\n");
 324                         continue;
 325                 }
 326                 printf("getpwuid:   "); print_passwd(pwd);
 327                 pwd = nss_getpwnam(pwd->pw_name);
 328                 if (!pwd) {
 329                         total_errors++;
 330                         printf("ERROR: can't getpwnam\n");
 331                         continue;
 332                 }
 333                 printf("getpwnam:   "); print_passwd(pwd);
 334                 printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
 335                 printf("\n");
 336         }
 337         nss_endpwent();
 338 }
 339
 340 static void nss_test_groups(void)
 341 {
 342         struct group *grp;
 343
 344         nss_setgrent();
 345         /* loop over all groups */
 346         while ((grp = nss_getgrent())) {
 347                 printf("Testing group %s\n", grp->gr_name);
 348                 printf("getgrent: "); print_group(grp);
 349                 grp = nss_getgrnam(grp->gr_name);
 350                 if (!grp) {
 351                         total_errors++;
 352                         printf("ERROR: can't getgrnam\n");
 353                         continue;
 354                 }
 355                 printf("getgrnam: "); print_group(grp);
 356                 grp = nss_getgrgid(grp->gr_gid);
 357                 if (!grp) {
 358                         total_errors++;
 359                         printf("ERROR: can't getgrgid\n");
 360                         continue;
 361                 }
 362                 printf("getgrgid: "); print_group(grp);
 363                 printf("\n");
 364         }
 365         nss_endgrent();
 366 }
 367
 368 static void nss_test_errors(void)
 369 {
 370         struct passwd *pwd;
 371         struct group *grp;
 372
 373         pwd = getpwnam("nosuchname");
 374         if (pwd || last_error != NSS_STATUS_NOTFOUND) {
 375                 total_errors++;
 376                 printf("ERROR Non existant user gave error %d\n", last_error);
 377         }
 378
 379         pwd = getpwuid(0xFFF0);
 380         if (pwd || last_error != NSS_STATUS_NOTFOUND) {
 381                 total_errors++;
 382                 printf("ERROR Non existant uid gave error %d\n", last_error);
 383         }
 384
 385         grp = getgrnam("nosuchgroup");
 386         if (grp || last_error != NSS_STATUS_NOTFOUND) {
 387                 total_errors++;
 388                 printf("ERROR Non existant group gave error %d\n", last_error);
 389         }
 390
 391         grp = getgrgid(0xFFF0);
 392         if (grp || last_error != NSS_STATUS_NOTFOUND) {
 393                 total_errors++;
 394                 printf("ERROR Non existant gid gave error %d\n", last_error);
 395         }
 396 }
 397
 398  int main(int argc, char *argv[])
 399 {
 400         if (argc > 1) so_path = argv[1];
 401         if (argc > 2) nss_name = argv[2];
 402
 403         nss_test_users();
 404         nss_test_groups();
 405         nss_test_errors();
 406
 407         printf("total_errors=%d\n", total_errors);
 408
 409         return total_errors;
 410 }