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 "softbusadapter_fuzzer.h"
17
18 #include <cstddef>
19 #include "securec.h"
20 #include <cstdint>
21
22 #include "distributed_mission_broadcast_listener.h"
23 #include "softbus_adapter/softbus_adapter.h"
24
25 namespace OHOS {
26 namespace DistributedSchedule {
27 #ifdef DMSFWK_INTERACTIVE_ADAPTER
28 namespace {
29 constexpr size_t CAPACITY = 10;
30 }
31 #endif
32
FuzzSendSoftbusEvent(const uint8_t * data,size_t size)33 void FuzzSendSoftbusEvent(const uint8_t* data, size_t size)
34 {
35 if ((data == nullptr) || (size < sizeof(uint32_t))) {
36 return;
37 }
38 std::shared_ptr<DSchedDataBuffer> buffer = std::make_shared<DSchedDataBuffer>(size);
39 if (memcpy_s(buffer->Data(), buffer->Capacity(), data, size) != ERR_OK) {
40 return;
41 }
42 SoftbusAdapter::GetInstance().SendSoftbusEvent(buffer);
43 SoftbusAdapter::GetInstance().StopSoftbusEvent();
44 }
45
FuzzOnBroadCastRecv(const uint8_t * data,size_t size)46 void FuzzOnBroadCastRecv(const uint8_t* data, size_t size)
47 {
48 if ((data == nullptr) || (size < sizeof(uint32_t))) {
49 return;
50 }
51 std::string networkId(reinterpret_cast<const char*>(data), size);
52 uint8_t* newdata = const_cast<uint8_t*>(data);
53 uint32_t dataLen = *(reinterpret_cast<const uint32_t*>(data));
54 SoftbusAdapter::GetInstance().OnBroadCastRecv(networkId, newdata, dataLen);
55 std::shared_ptr<SoftbusAdapterListener> listener = std::make_shared<DistributedMissionBroadcastListener>();
56 SoftbusAdapter::GetInstance().RegisterSoftbusEventListener(listener);
57 SoftbusAdapter::GetInstance().UnregisterSoftbusEventListener(listener);
58 }
59
60 #ifdef DMSFWK_INTERACTIVE_ADAPTER
FuzzDealSendSoftbusEvent(const uint8_t * data,size_t size)61 void FuzzDealSendSoftbusEvent(const uint8_t* data, size_t size)
62 {
63 if ((data == nullptr) || (size < sizeof(uint32_t))) {
64 return;
65 }
66 std::shared_ptr<DSchedDataBuffer> buffer = nullptr;
67 int32_t retry = *(reinterpret_cast<const int32_t*>(data));
68 SoftbusAdapter::GetInstance().Init();
69 SoftbusAdapter::GetInstance().DealSendSoftbusEvent(buffer, retry);
70 SoftbusAdapter::GetInstance().RetrySendSoftbusEvent(buffer, retry);
71
72 buffer = std::make_shared<DSchedDataBuffer>(CAPACITY);
73 SoftbusAdapter::GetInstance().DealSendSoftbusEvent(buffer, retry);
74 SoftbusAdapter::GetInstance().RetrySendSoftbusEvent(buffer, retry);
75 SoftbusAdapter::GetInstance().UnInit();
76 }
77 #endif
78 }
79 }
80
81 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
83 {
84 OHOS::DistributedSchedule::FuzzSendSoftbusEvent(data, size);
85 OHOS::DistributedSchedule::FuzzOnBroadCastRecv(data, size);
86 #ifdef DMSFWK_INTERACTIVE_ADAPTER
87 OHOS::DistributedSchedule::FuzzDealSendSoftbusEvent(data, size);
88 #endif
89 return 0;
90 }
91