testsuite/nsswitch/initgroups.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <grp.h>
   4 #include <pwd.h>
   5 #include <sys/types.h>
   6
   7 int main(int argc, char **argv)
   8 {
   9         int result, ngroups, i;
  10         gid_t *groups;
  11         struct passwd *pw;
  12
  13         if (!(pw = getpwnam(argv[1]))) {
  14                 printf("FAIL: no passwd entry for %s\n", argv[1]);
  15                 return 1;
  16         }
  17
  18         result = initgroups(argv[1], pw->pw_gid);
  19
  20         if (result == -1) {
  21                 printf("FAIL");
  22                 return 1;
  23         }
  24
  25         ngroups = getgroups(0, NULL);
  26
  27         groups = (gid_t *)malloc(sizeof(gid_t) * ngroups);
  28         ngroups = getgroups(ngroups, groups);
  29
  30         printf("%s is a member of groups:\n", argv[1]);
  31
  32         for (i = 0; i < ngroups; i++) {
  33                 struct group *grp;
  34
  35                 grp = getgrgid(groups[i]);
  36
  37                 printf("%d (%s)\n", groups[i], grp ? grp->gr_name : "?");
  38         }
  39
  40         printf("PASS\n");
  41         return 0;
  42 }