unplugged-system/external/ltp/testcases/kernel/syscalls/statfs/statfs03.c

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) Bull S.A. 2001
* Copyright (c) International Business Machines Corp., 2001
* 05/2002 Ported by Jacky Malcles
* Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
*/
/*\
* [Description]
*
* Verify that statfs(2) fails with errno EACCES when search permission
* is denied for a component of the path prefix of path.
*/
#include <pwd.h>
#include "tst_test.h"
#define TEMP_DIR "testdir"
#define TEMP_DIR2 TEMP_DIR"/subdir"
static void setup(void)
{
struct passwd *ltpuser;
SAFE_MKDIR(TEMP_DIR, 0444);
SAFE_MKDIR(TEMP_DIR2, 0444);
ltpuser = SAFE_GETPWNAM("nobody");
SAFE_SETEUID(ltpuser->pw_uid);
}
static void run(void)
{
struct statfs buf;
TST_EXP_FAIL(statfs(TEMP_DIR2, &buf), EACCES);
}
static struct tst_test test = {
.setup = setup,
.test_all = run,
.needs_tmpdir = 1,
.needs_root = 1
};