android13/external/ltp/testcases/kernel/syscalls/openat2/openat201.c

99 lines
2.7 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
*
* Basic openat2() test.
*/
#include "tst_test.h"
#include "lapi/openat2.h"
#define TEST_FILE "test_file"
#define TEST_DIR "test_dir"
static struct open_how *how;
static struct open_how_pad *phow;
static int dir_fd = -1, fd_atcwd = AT_FDCWD;
static struct tcase {
int *dfd;
const char *pathname;
uint64_t flags;
uint64_t mode;
uint64_t resolve;
struct open_how **how;
size_t size;
} tcases[] = {
{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, 0, &how, sizeof(*how)},
{&dir_fd, TEST_FILE, O_RDONLY, S_IRUSR, 0, &how, sizeof(*how)},
{&dir_fd, TEST_FILE, O_WRONLY, S_IWUSR, 0, &how, sizeof(*how)},
{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_XDEV, &how, sizeof(*how)},
{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_MAGICLINKS, &how, sizeof(*how)},
{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_SYMLINKS, &how, sizeof(*how)},
{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_BENEATH, &how, sizeof(*how)},
{&dir_fd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_IN_ROOT, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, 0, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_RDONLY, S_IRUSR, 0, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_WRONLY, S_IWUSR, 0, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_XDEV, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_MAGICLINKS, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_NO_SYMLINKS, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_BENEATH, &how, sizeof(*how)},
{&fd_atcwd, TEST_FILE, O_RDWR, S_IRWXU, RESOLVE_IN_ROOT, (struct open_how **)&phow, sizeof(*how) + 8},
};
static void cleanup(void)
{
if (dir_fd != -1)
SAFE_CLOSE(dir_fd);
}
static void setup(void)
{
openat2_supported_by_kernel();
phow->pad = 0x00;
SAFE_MKDIR(TEST_DIR, 0700);
dir_fd = SAFE_OPEN(TEST_DIR, O_DIRECTORY);
}
static void run(unsigned int n)
{
int fd;
struct stat file_stat;
struct tcase *tc = &tcases[n];
struct open_how *myhow = *tc->how;
myhow->flags = tc->flags | O_CREAT;
myhow->mode = tc->mode;
myhow->resolve = tc->resolve;
TEST(fd = openat2(*tc->dfd, tc->pathname, myhow, tc->size));
if (fd < 0) {
tst_res(TFAIL | TTERRNO, "openat2() failed (%d)", n);
return;
}
SAFE_FSTAT(fd, &file_stat);
if (file_stat.st_size == 0)
tst_res(TPASS, "openat2() passed (%d)", n);
else
tst_res(TFAIL, "fstat() didn't work as expected (%d)", n);
SAFE_CLOSE(fd);
}
static struct tst_test test = {
.tcnt = ARRAY_SIZE(tcases),
.test = run,
.setup = setup,
.cleanup = cleanup,
.needs_tmpdir = 1,
.bufs = (struct tst_buffers []) {
{&how, .size = sizeof(*how)},
{&phow, .size = sizeof(*phow)},
{},
},
};