mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/* Copyright (C) 2004-2022 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <mqueue.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <support/check.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)
|
|
{
|
|
if (errno == ENOSYS)
|
|
FAIL_UNSUPPORTED ("mq_open not supported");
|
|
|
|
printf ("mq_open failed with: %m\n");
|
|
return 1;
|
|
}
|
|
|
|
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"
|