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/*
* Copyright (c) 2016 Anchit Jain <anchitjain1234@gmail.com>
* Copyright (c) 2016-2018 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"
#if defined __NR_chmod
# include <fcntl.h>
# include <stdio.h>
# include <unistd.h>
# include "secontext.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("chmod_subdir");
char *my_secontext = SECONTEXT_PID_MY();
static const char sample[] = "chmod_test_file";
(void) unlink(sample);
if (open(sample, O_CREAT|O_RDONLY, 0400) < 0)
perror_msg_and_fail("open: %s", sample);
long rc = syscall(__NR_chmod, sample, 0600);
printf("%s%s(\"%s\"%s, 0600) = %s\n",
my_secontext, "chmod",
sample, SECONTEXT_FILE(sample),
sprintrc(rc));
if (unlink(sample))
perror_msg_and_fail("unlink: %s", sample);
rc = syscall(__NR_chmod, sample, 051);
printf("%s%s(\"%s\", 051) = %s\n",
my_secontext, "chmod",
sample,
sprintrc(rc));
rc = syscall(__NR_chmod, sample, 004);
printf("%s%s(\"%s\", 004) = %s\n",
my_secontext, "chmod",
sample,
sprintrc(rc));
leave_and_remove_subdir();
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_chmod")
#endif
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