testsuite/nsswitch/getent_grent.c

   1 /* Test out of order operations with {set,get,end}grent */
   2
   3 /*
   4    Unix SMB/Netbios implementation.
   5    Version 1.9.
   6    Security context tests
   7    Copyright (C) Tim Potter 2000
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include <stdio.h>
  25 #include <grp.h>
  26
  27 int main (int argc, char **argv)
  28 {
  29         struct group *gr;
  30         int found = 0;
  31         int num_users, i;
  32
  33         /* Test getgrent() without setgrent() */
  34
  35         for (i = 0; i < 100; i++) {
  36                 gr = getgrent();
  37
  38                 /* This is supposed to work */
  39
  40 #if 0
  41                 if (gr != NULL) {
  42                         printf("FAIL: getgrent() with no setgrent()\n");
  43                         return 1;
  44                 }
  45 #endif
  46         }
  47
  48         /* Work out how many user till first domain group */
  49
  50         num_users = 0;
  51         setgrent();
  52
  53         while (1) {
  54                 gr = getgrent();
  55                 num_users++;
  56
  57                 if (gr == NULL) break;
  58
  59                 if (strchr(gr->gr_name, '/')) {
  60                         found = 1;
  61                         break;
  62                 }
  63
  64         }
  65
  66         if (!found) {
  67                 printf("FAIL: could not find any domain groups\n");
  68                 return 1;
  69         }
  70
  71         /* Test stopping getgrent in the middle of a set of users */
  72
  73         endgrent();
  74
  75         /* Test setgrent() without any getgrent() calls */
  76
  77         setgrent();
  78
  79         for (i = 0; i < (num_users - 1); i++) {
  80                 getgrent();
  81         }
  82
  83         endgrent();
  84
  85         /* Test lots of setgrent() calls */
  86
  87         for (i = 0; i < 100; i++) {
  88                 setgrent();
  89         }
  90
  91         /* Test lots of endgrent() calls */
  92
  93         for (i = 0; i < 100; i++) {
  94                 endgrent();
  95         }
  96
  97         /* Everything's cool */
  98
  99         printf("PASS\n");
 100         return 0;
 101 }