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 "usbmgrmanagedevice_fuzzer.h"
17
18 #include "usb_srv_client.h"
19 #include "usb_errors.h"
20
21 namespace {
22 const int32_t MAX_FUNC_NUM = 6;
23 }
24
25 namespace OHOS {
26 constexpr int32_t OFFSET = 4;
27 constexpr size_t THRESHOLD = 10;
28 namespace USB {
UsbMgrManageDeviceFuzzTest(const uint8_t * data,size_t)29 bool UsbMgrManageDeviceFuzzTest(const uint8_t* data, size_t /* size */)
30 {
31 std::vector<UsbDevice> devList;
32 auto &usbSrvClient = UsbSrvClient::GetInstance();
33 auto ret = usbSrvClient.GetDevices(devList);
34 if (ret != UEC_OK || devList.empty()) {
35 USB_HILOGE(MODULE_USB_SERVICE, "get devices failed ret=%{public}d", ret);
36 return false;
37 }
38 ret = usbSrvClient.ManageDevice(
39 *reinterpret_cast<const int32_t *>(data), *reinterpret_cast<const int32_t *>(data + OFFSET), true);
40 if (ret == UEC_OK) {
41 return false;
42 }
43 return true;
44 }
45 } // USB
46 } // OHOS
47
48 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)49 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
50 {
51 if (size < OHOS::THRESHOLD) {
52 return 0;
53 }
54 /* Run your code on data */
55 OHOS::USB::UsbMgrManageDeviceFuzzTest(data, size);
56 return 0;
57 }
58
59