/* Copyright (C) 2004 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"