1 /*
2 * Copyright (c) 2024 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 #include "usb_srv_client.h"
18 #include "usb_errors.h"
19
20 namespace {
21 const int32_t MAX_FUNC_NUM = 6;
22 }
23
24 namespace OHOS {
25 constexpr int32_t OFFSET = 4;
26 constexpr size_t THRESHOLD = 10;
27 namespace USB {
UsbMgrManageDeviceFuzzTest(const uint8_t * data,size_t)28 bool UsbMgrManageDeviceFuzzTest(const uint8_t* data, size_t /* size */)
29 {
30 std::vector<UsbDevice> devList;
31 auto &usbSrvClient = UsbSrvClient::GetInstance();
32 auto ret = usbSrvClient.GetDevices(devList);
33 if (ret != UEC_OK || devList.empty()) {
34 USB_HILOGE(MODULE_USB_SERVICE, "get devices failed ret=%{public}d", ret);
35 return false;
36 }
37 ret = usbSrvClient.ManageDevice(
38 *reinterpret_cast<const int32_t *>(data), *reinterpret_cast<const int32_t *>(data + OFFSET), true);
39 if (ret == UEC_OK) {
40 return false;
41 }
42 return true;
43 }
44 } // USB
45 } // OHOS
46
47 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)48 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
49 {
50 if (size < OHOS::THRESHOLD) {
51 return 0;
52 }
53 /* Run your code on data */
54 OHOS::USB::UsbMgrManageDeviceFuzzTest(data, size);
55 return 0;
56 }
57
58