1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * SPDX-License-Identifier: GPL-2.0
4 *
5 * Unless required by applicable law or agreed to in writing, software
6 * distributed under the License is distributed on an "AS IS" BASIS,
7 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
8 * See the License for the specific language governing permissions and
9 * limitations under the License.
10 */
11
12#include <cstddef>
13#include <fcntl.h>
14#include <unistd.h>
15#include <cstdint>
16#include <cstdlib>
17#include "hccommon.h"
18
19namespace OHOS {
20bool HcFuzzTest(const uint8_t *data, const char *pathname, size_t size)
21{
22    uint32_t value = 0;
23    uint32_t length = size > sizeof(uint32_t) ? sizeof(uint32_t) : size;
24    int ret = access("/mnt/f2fs_mount/", F_OK);
25    if (ret < 0) {
26        system("mkdir -p /mnt/f2fs_mount/");
27        system("mkfs.f2fs -d1 -t1 -O quota /data/image_f2fs");
28        system("losetup /dev/block/loop1 /data/image_f2fs");
29        system("mount -t f2fs /dev/block/loop1 /mnt/f2fs_mount/");
30    }
31
32    int fd = open(pathname, O_RDWR);
33    if (fd < 0) {
34        return false;
35    }
36
37    ret = read(fd, &value, sizeof(value));
38    if (ret < 0) {
39        close(fd);
40        return false;
41    }
42
43    ret = write(fd, data, length);
44    if (ret < 0) {
45        close(fd);
46        return false;
47    }
48    close(fd);
49    return true;
50}
51}