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 "usbsetinterface_fuzzer.h"
17 #include "UsbSubscriberTest.h"
18 #include "hdf_log.h"
19 #include "securec.h"
20 #include "usbcommonfunction_fuzzer.h"
21 #include "v1_0/iusb_interface.h"
22
23 using namespace OHOS::HDI::Usb::V1_0;
24
25 namespace OHOS {
26 namespace USB {
27 struct Parameters {
28 uint8_t interfaceId;
29 uint8_t altIndex;
30 };
31
UsbSetInterfaceFuzzTest(const uint8_t * data,size_t size)32 bool UsbSetInterfaceFuzzTest(const uint8_t *data, size_t size)
33 {
34 (void)size;
35 UsbDev dev;
36 sptr<IUsbInterface> usbInterface = IUsbInterface::Get();
37 int32_t ret = UsbFuzzTestHostModeInit(dev, usbInterface);
38 if (ret != HDF_SUCCESS) {
39 HDF_LOGE("%{public}s: UsbFuzzTestHostModeInit failed", __func__);
40 return false;
41 }
42
43 Parameters param;
44 if (memcpy_s((void *)¶m, sizeof(param), data, sizeof(param)) != EOK) {
45 HDF_LOGE("%{public}s: memcpy_s failed", __func__);
46 return false;
47 }
48
49 ret = usbInterface->SetInterface(dev, param.interfaceId, param.altIndex);
50 if (ret == HDF_SUCCESS) {
51 HDF_LOGI("%{public}s: set interface succeed", __func__);
52 }
53
54 ret = usbInterface->CloseDevice(dev);
55 if (ret != HDF_SUCCESS) {
56 HDF_LOGE("%{public}s: close device failed", __func__);
57 return false;
58 }
59 return true;
60 }
61 } // namespace USB
62 } // namespace OHOS
63
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)64 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
65 {
66 OHOS::USB::UsbSetInterfaceFuzzTest(data, size);
67 return 0;
68 }