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 "usbcontroltransferread_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 constexpr size_t THRESHOLD = 10;
27 constexpr int32_t OFFSET = 4;
28 namespace USB {
UsbControlTransferReadFuzzTest(const uint8_t * data,size_t size)29 bool UsbControlTransferReadFuzzTest(const uint8_t *data, size_t size)
30 {
31 (void)size;
32 UsbDev dev;
33 sptr<IUsbInterface> usbInterface = IUsbInterface::Get();
34 int32_t ret = UsbFuzzTestHostModeInit(dev, usbInterface);
35 if (ret != HDF_SUCCESS) {
36 HDF_LOGE("%{public}s: UsbFuzzTestHostModeInit failed", __func__);
37 return false;
38 }
39
40 UsbCtrlTransfer ctrl;
41 if (memcpy_s((void *)&ctrl, sizeof(ctrl), data, sizeof(ctrl)) != EOK) {
42 HDF_LOGE("%{public}s: memcpy_s failed", __func__);
43 return false;
44 }
45
46 ret = usbInterface->ControlTransferRead(
47 dev, ctrl, reinterpret_cast<std::vector<uint8_t> &>(std::move(data + OFFSET)));
48 if (ret == HDF_SUCCESS) {
49 HDF_LOGI("%{public}s: control transfer read succeed", __func__);
50 }
51
52 ret = usbInterface->CloseDevice(dev);
53 if (ret != HDF_SUCCESS) {
54 HDF_LOGE("%{public}s: close device failed", __func__);
55 return false;
56 }
57 return true;
58 }
59 } // namespace USB
60 } // namespace OHOS
61
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)62 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
63 {
64 if (size < OHOS::THRESHOLD) {
65 return 0;
66 }
67 OHOS::USB::UsbControlTransferReadFuzzTest(data, size);
68 return 0;
69 }