1 /*
2  * Copyright (c) 2022-2024 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 "softbus_connector.h"
17 #include "softbus_bus_center.h"
18 #include "dm_device_info.h"
19 #include "dm_publish_info.h"
20 #include "dm_subscribe_info.h"
21 #include "softbus_session.h"
22 #include "softbus_session_fuzzer.h"
23 
24 namespace OHOS {
25 namespace DistributedHardware {
26 
27 class SoftbusSessionCallbackTest : public ISoftbusSessionCallback {
28 public:
SoftbusSessionCallbackTest()29     SoftbusSessionCallbackTest() {}
~SoftbusSessionCallbackTest()30     virtual ~SoftbusSessionCallbackTest() {}
31     void OnSessionOpened(int32_t sessionId, int32_t sessionSide, int32_t result) override
32     {
33         (void)sessionId;
34         (void)sessionSide;
35         (void)result;
36     }
37     void OnSessionClosed(int32_t sessionId) override
38     {
39         (void)sessionId;
40     }
41     void OnDataReceived(int32_t sessionId, std::string message) override
42     {
43         (void)sessionId;
44         (void)message;
45     }
46     bool GetIsCryptoSupport() override
47     {
48         return true;
49     }
50     void OnAuthDeviceDataReceived(int32_t sessionId, std::string message) override
51     {
52         (void)sessionId;
53         (void)message;
54     }
55 };
56 
SoftBusSessionFuzzTest(const uint8_t* data, size_t size)57 void SoftBusSessionFuzzTest(const uint8_t* data, size_t size)
58 {
59     if ((data == nullptr) || (size < sizeof(int32_t))) {
60         return;
61     }
62 
63     int result = *(reinterpret_cast<const int*>(data));
64     int32_t sessionId = *(reinterpret_cast<const int32_t*>(data));
65     std::string str(reinterpret_cast<const char*>(data), size);
66     std::shared_ptr<SoftbusSession> softbusSession = std::make_shared<SoftbusSession>();
67 
68     softbusSession->RegisterSessionCallback(std::make_shared<SoftbusSessionCallbackTest>());
69     softbusSession->OnSessionOpened(result, result);
70     softbusSession->OpenAuthSession(str);
71     softbusSession->CloseAuthSession(sessionId);
72     softbusSession->OnBytesReceived(result, str.c_str(), str.size());
73     softbusSession->GetPeerDeviceId(sessionId, str);
74     softbusSession->SendData(sessionId, str);
75     softbusSession->SendHeartbeatData(sessionId, str);
76     softbusSession->OnSessionClosed(result);
77     softbusSession->UnRegisterSessionCallback();
78 }
79 }
80 }
81 
82 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)83 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
84 {
85     /* Run your code on data */
86     OHOS::DistributedHardware::SoftBusSessionFuzzTest(data, size);
87 
88     return 0;
89 }
90