unplugged-system/external/ltp/testcases/kernel/syscalls/chmod/chmod01.c

72 lines
1.6 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
* 07/2001 Ported by Wayne Boyer
*/
/*\
* [Description]
*
* Verify that chmod(2) succeeds when used to change the mode permissions
* of a file or directory.
*/
#include "tst_test.h"
#define MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
#define TESTFILE "testfile"
#define TESTDIR "testdir_1"
static int modes[] = {0, 07, 070, 0700, 0777, 02777, 04777, 06777};
static struct variant {
char *name;
unsigned int mode_mask;
char *desc;
} variants[] = {
{TESTFILE, S_IFREG, "verify permissions of file"},
{TESTDIR, S_IFDIR, "verify permissions of directory"},
};
static void verify_chmod(unsigned int n)
{
struct stat stat_buf;
int mode = modes[n];
struct variant *tc = &variants[tst_variant];
TST_EXP_PASS(chmod(tc->name, mode), "chmod(%s, %04o)",
tc->name, mode);
if (!TST_PASS)
return;
SAFE_STAT(tc->name, &stat_buf);
stat_buf.st_mode &= ~tc->mode_mask;
if (stat_buf.st_mode == (unsigned int)mode) {
tst_res(TPASS, "stat(%s) mode=%04o",
tc->name, stat_buf.st_mode);
} else {
tst_res(TFAIL, "stat(%s) mode=%04o",
tc->name, stat_buf.st_mode);
}
}
static void setup(void)
{
tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
if (tst_variant)
SAFE_MKDIR(variants[tst_variant].name, MODE);
else
SAFE_TOUCH(variants[tst_variant].name, MODE, NULL);
}
static struct tst_test test = {
.setup = setup,
.test_variants = ARRAY_SIZE(variants),
.tcnt = ARRAY_SIZE(modes),
.test = verify_chmod,
.needs_tmpdir = 1,
};