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Diffstat (limited to 'test/nptl/tst-mqueue9.c')
-rw-r--r-- | test/nptl/tst-mqueue9.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/test/nptl/tst-mqueue9.c b/test/nptl/tst-mqueue9.c new file mode 100644 index 000000000..fb057d4ad --- /dev/null +++ b/test/nptl/tst-mqueue9.c @@ -0,0 +1,92 @@ +/* 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#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" |