android13/external/ltp/testcases/kernel/syscalls/mkdir/mkdir05.c

65 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/* Copyright (c) International Business Machines Corp., 2001
* Ported to LTP: Wayne Boyer
*/
/* DESCRIPTION
* This test will verify the mkdir(2) creates a new directory successfully and
* it is owned by the effective UID and GID of the process.
*/
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <pwd.h>
#include "tst_test.h"
#define PERMS 0777
#define TESTDIR "testdir"
static void verify_mkdir(void)
{
struct stat buf;
TEST(mkdir(TESTDIR, PERMS));
if (TST_RET == -1) {
tst_res(TFAIL | TTERRNO, "mkdir() Failed");
return;
}
SAFE_STAT(TESTDIR, &buf);
if (buf.st_uid != geteuid()) {
tst_res(TFAIL, "mkdir() FAILED to set owner ID "
"as process's effective ID");
return;
}
if (buf.st_gid != getegid()) {
tst_res(TFAIL, "mkdir() failed to set group ID "
"as the process's group ID");
return;
}
tst_res(TPASS, "mkdir() functionality is correct");
SAFE_RMDIR(TESTDIR);
}
void setup(void)
{
struct passwd *pw;
pw = SAFE_GETPWNAM("nobody");
SAFE_SETUID(pw->pw_uid);
}
static struct tst_test test = {
.test_all = verify_mkdir,
.needs_tmpdir = 1,
.needs_root = 1,
.setup = setup,
};