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1 /*
2  * Copyright (c) 2023-2024 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 <string>
17 #include <fuzzer/FuzzedDataProvider.h>
18 #include "auth_manager.h"
19 #include "device_manager_service_listener.h"
20 #include "on_data_received_fuzzer.h"
21 
22 namespace OHOS {
23 namespace DistributedHardware {
24 // AuthSrcManager fuzz
OnDataReceivedSrcFuzzTest(const uint8_t * data,size_t size)25 void OnDataReceivedSrcFuzzTest(const uint8_t* data, size_t size)
26 {
27     if ((data == nullptr) || (size < sizeof(int32_t))) {
28         return;
29     }
30 
31     std::shared_ptr<SoftbusConnector> softbusConnector = std::make_shared<SoftbusConnector>();
32     std::shared_ptr<IDeviceManagerServiceListener> listener = std::make_shared<DeviceManagerServiceListener>();
33     std::shared_ptr<HiChainAuthConnector> hiChainAuthConnector = std::make_shared<HiChainAuthConnector>();
34     std::shared_ptr<HiChainConnector> hiChainConnector = std::make_shared<HiChainConnector>();
35     std::shared_ptr<AuthManager> authManager = std::make_shared<AuthSrcManager>(softbusConnector, hiChainConnector,
36         listener, hiChainAuthConnector);
37     FuzzedDataProvider fdp(data, size);
38     int32_t sessionId = fdp.ConsumeIntegral<int32_t>();
39     std::string message(reinterpret_cast<const char*>(data), size);
40     authManager->OnDataReceived(sessionId, message);
41     authManager->OnSessionClosed(sessionId);
42 }
43 
44 // AuthSinkManager fuzz
OnDataReceivedSinkFuzzTest(const uint8_t * data,size_t size)45 void OnDataReceivedSinkFuzzTest(const uint8_t* data, size_t size)
46 {
47     if ((data == nullptr) || (size < sizeof(int32_t))) {
48         return;
49     }
50 
51     std::shared_ptr<SoftbusConnector> softbusConnector = std::make_shared<SoftbusConnector>();
52     std::shared_ptr<IDeviceManagerServiceListener> listener = std::make_shared<DeviceManagerServiceListener>();
53     std::shared_ptr<HiChainAuthConnector> hiChainAuthConnector = std::make_shared<HiChainAuthConnector>();
54     std::shared_ptr<HiChainConnector> hiChainConnector = std::make_shared<HiChainConnector>();
55     std::shared_ptr<AuthManager> authManager = std::make_shared<AuthSinkManager>(softbusConnector, hiChainConnector,
56         listener, hiChainAuthConnector);
57     FuzzedDataProvider fdp(data, size);
58     int32_t sessionId = fdp.ConsumeIntegral<int32_t>();
59     std::string message(reinterpret_cast<const char*>(data), size);
60     authManager->OnDataReceived(sessionId, message);
61     authManager->OnSessionClosed(sessionId);
62 }
63 }
64 }
65 
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69     /* Run your code on data */
70     OHOS::DistributedHardware::OnDataReceivedSrcFuzzTest(data, size);
71     OHOS::DistributedHardware::OnDataReceivedSinkFuzzTest(data, size);
72     return 0;
73 }