1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "usbgetconfigdescriptor_fuzzer.h"
17 #include "UsbSubscriberTest.h"
18 #include "hdf_log.h"
19 #include "usbcommonfunction_fuzzer.h"
20 #include "v1_0/iusb_interface.h"
21
22 using namespace OHOS::HDI::Usb::V1_0;
23
24 namespace OHOS {
25 constexpr size_t THRESHOLD = 10;
26 constexpr int32_t OFFSET = 4;
27 namespace USB {
UsbGetConfigDescriptorFuzzTest(const uint8_t * data,size_t size)28 bool UsbGetConfigDescriptorFuzzTest(const uint8_t *data, size_t size)
29 {
30 (void)size;
31 UsbDev dev;
32 sptr<IUsbInterface> usbInterface = IUsbInterface::Get();
33 int32_t ret = UsbFuzzTestHostModeInit(dev, usbInterface);
34 if (ret != HDF_SUCCESS) {
35 HDF_LOGE("%{public}s: UsbFuzzTestHostModeInit failed", __func__);
36 return false;
37 }
38
39 ret = usbInterface->GetConfigDescriptor(
40 dev, *data, reinterpret_cast<std::vector<uint8_t> &>(std::move(data + OFFSET)));
41 if (ret == HDF_SUCCESS) {
42 HDF_LOGI("%{public}s: get config descriptor succeed", __func__);
43 }
44
45 ret = usbInterface->CloseDevice(dev);
46 if (ret != HDF_SUCCESS) {
47 HDF_LOGE("%{public}s: close device failed", __func__);
48 return false;
49 }
50 return true;
51 }
52 } // namespace USB
53 } // namespace OHOS
54
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
56 {
57 if (size < OHOS::THRESHOLD) {
58 return 0;
59 }
60 OHOS::USB::UsbGetConfigDescriptorFuzzTest(data, size);
61 return 0;
62 }