testcases/audit-test/utils/bin/do_setreuid32.c

   1 /*  (c) Copyright Hewlett-Packard Development Company, L.P., 2007
   2  *
   3  *  This program is free software: you can redistribute it and/or modify
   4  *  it under the terms of version 2 the GNU General Public License as
   5  *  published by the Free Software Foundation.
   6  *
   7  *  This program is distributed in the hope that it will be useful,
   8  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *  GNU General Public License for more details.
  11  *
  12  *  You should have received a copy of the GNU General Public License
  13  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  */
  15
  16 #include "includes.h"
  17
  18 int main(int argc, char **argv)
  19 {
  20     int exitval, result;
  21     uid_t uid;
  22
  23     if (argc != 2) {
  24         fprintf(stderr, "Usage:\n%s <uid>\n", argv[0]);
  25         return TEST_ERROR;
  26     }
  27     uid = atoi(argv[1]);
  28
  29     /* use syscall() to force setreuid32 over setreuid */
  30     errno = 0;
  31     exitval = syscall(__NR_setreuid32, uid, uid);
  32     result = exitval < 0;
  33
  34     printf("%d %d %d\n", result, result ? errno : exitval, getpid());
  35     return result;
  36 }