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 size)28 bool UsbMgrManageDeviceFuzzTest(const uint8_t* data, size_t size)
29 {
30 if (data == nullptr || size < OFFSET + sizeof(int32_t)) {
31 USB_HILOGE(MODULE_USB_SERVICE, "data size is insufficient!");
32 return false;
33 }
34 std::vector<UsbDevice> devList;
35 auto &usbSrvClient = UsbSrvClient::GetInstance();
36 auto ret = usbSrvClient.GetDevices(devList);
37 if (ret != UEC_OK || devList.empty()) {
38 USB_HILOGE(MODULE_USB_SERVICE, "get devices failed ret=%{public}d", ret);
39 return false;
40 }
41 ret = usbSrvClient.ManageDevice(
42 *reinterpret_cast<const int32_t *>(data), *reinterpret_cast<const int32_t *>(data + OFFSET), true);
43 if (ret == UEC_OK) {
44 return false;
45 }
46 return true;
47 }
48 } // USB
49 } // OHOS
50
51 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)52 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
53 {
54 if (size < OHOS::THRESHOLD) {
55 return 0;
56 }
57 /* Run your code on data */
58 OHOS::USB::UsbMgrManageDeviceFuzzTest(data, size);
59 return 0;
60 }
61
62