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/*
* Check decoding of fchmod syscall.
*
* Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
* Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_fchmod
# include <fcntl.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
/*
* Make sure the current workdir of the tracee
* is different from the current workdir of the tracer.
*/
create_and_enter_subdir("fchmod_subdir");
static const char sample[] = "fchmod_sample_file";
(void) unlink(sample);
int fd = open(sample, O_CREAT|O_RDONLY, 0400);
if (fd == -1)
perror_msg_and_fail("open");
# ifdef YFLAG
char *sample_realpath = get_fd_path(fd);
# endif
long rc = syscall(__NR_fchmod, fd, 0600);
# ifdef YFLAG
printf("fchmod(%d<%s>, 0600) = %s\n",
# else
printf("fchmod(%d, 0600) = %s\n",
# endif
fd,
# ifdef YFLAG
sample_realpath,
# endif
sprintrc(rc));
if (unlink(sample))
perror_msg_and_fail("unlink");
rc = syscall(__NR_fchmod, fd, 051);
# ifdef YFLAG
printf("fchmod(%d<%s (deleted)>, 051) = %s\n",
# else
printf("fchmod(%d, 051) = %s\n",
# endif
fd,
# ifdef YFLAG
sample_realpath,
# endif
sprintrc(rc));
rc = syscall(__NR_fchmod, fd, 004);
# ifdef YFLAG
printf("fchmod(%d<%s (deleted)>, 004) = %s\n",
# else
printf("fchmod(%d, 004) = %s\n",
# endif
fd,
# ifdef YFLAG
sample_realpath,
# endif
sprintrc(rc));
leave_and_remove_subdir();
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_fchmod")
#endif
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