/* Copyright (C) 2004-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <mqueue.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include "tst-mqueue.h"

#define TEST_FUNCTION do_test ()

static int

do_test (void)

{

  if (geteuid () != 0)

    {

      puts ("this test requires root");

      return 0;

    }

  char name[sizeof "/tst-mqueue9-" + sizeof (pid_t) * 3];

  snprintf (name, sizeof (name), "/tst-mqueue9-%u", getpid ());

  struct mq_attr attr = { .mq_maxmsg = 1, .mq_msgsize = 1 };

  mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);

  if (q == (mqd_t) -1)

    {

      printf ("mq_open failed with: %m\n");

      return 0;

    }

  else

    add_temp_mq (name);

  if (seteuid (1) != 0)

    {

      printf ("failed to seteuid (1): %m\n");

      mq_unlink (name);

      return 0;

    }

  int result = 0;

  if (mq_unlink (name) == 0)

    {

      puts ("mq_unlink unexpectedly succeeded");

      result = 1;

    }

  else if (errno != EACCES)

    {

      printf ("mq_unlink did not fail with EACCES: %m\n");

      result = 1;;

    }

  if (seteuid (0) != 0)

    {

      printf ("failed to seteuid (0): %m\n");

      result = 1;

    }

  if (mq_unlink (name) != 0)

    {

      printf ("mq_unlink failed with: %m\n");

      result = 1;

    }

  if (mq_close (q) != 0)

    {

      printf ("mq_close failed with: %m\n");

      result = 1;

    }

  return result;

}

#include "../test-skeleton.c"