1 /*
2 * Copyright (c) 2021-2023 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 "distributed_input_client_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <functional>
21 #include <iostream>
22 #include <thread>
23
24 #include <refbase.h>
25
26 #include "constants_dinput.h"
27 #include "distributed_input_handler.h"
28 #include "distributed_input_kit.h"
29 #include "distributed_input_sink_handler.h"
30 #include "distributed_input_source_handler.h"
31 #include "i_distributed_sink_input.h"
32 #include "i_distributed_source_input.h"
33
34 namespace OHOS {
35 namespace DistributedHardware {
36 class TestRegisterInputCallback : public OHOS::DistributedHardware::RegisterCallback {
37 public:
38 TestRegisterInputCallback() = default;
39 virtual ~TestRegisterInputCallback() = default;
OnRegisterResult(const std::string & devId,const std::string & dhId,int32_t status,const std::string & data)40 int32_t OnRegisterResult(const std::string &devId, const std::string &dhId, int32_t status,
41 const std::string &data) override
42 {
43 return 0;
44 }
45 };
46
47 class TestUnregisterInputCallback : public OHOS::DistributedHardware::UnregisterCallback {
48 public:
49 TestUnregisterInputCallback() = default;
50 virtual ~TestUnregisterInputCallback() = default;
OnUnregisterResult(const std::string & devId,const std::string & dhId,int32_t status,const std::string & data)51 int32_t OnUnregisterResult(const std::string &devId, const std::string &dhId, int32_t status,
52 const std::string &data) override
53 {
54 return 0;
55 }
56 };
57
RegisterDistributedHardwareFuzzTest(const uint8_t * data,size_t size)58 void RegisterDistributedHardwareFuzzTest(const uint8_t *data, size_t size)
59 {
60 if ((data == nullptr) || (size == 0)) {
61 return;
62 }
63
64 std::string rDevId(reinterpret_cast<const char*>(data), size);
65 std::string rDhId(reinterpret_cast<const char*>(data), size);
66 std::string sinkVersion(reinterpret_cast<const char*>(data), size);
67 std::string sinkAttrs(reinterpret_cast<const char*>(data), size);
68 EnableParam enableParam;
69 enableParam.sinkVersion = sinkVersion;
70 enableParam.sinkAttrs = sinkAttrs;
71
72 std::shared_ptr<TestRegisterInputCallback> registerCb = std::make_shared<TestRegisterInputCallback>();
73 std::shared_ptr<TestUnregisterInputCallback> unregisterCb = std::make_shared<TestUnregisterInputCallback>();
74
75 DistributedInput::DistributedInputSourceHandler::GetInstance().RegisterDistributedHardware(
76 rDevId, rDhId, enableParam, registerCb);
77 DistributedInput::DistributedInputSourceHandler::GetInstance().UnregisterDistributedHardware(
78 rDevId, rDhId, unregisterCb);
79 }
80 } // namespace DistributedHardware
81 } // namespace OHOS
82
83 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)84 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
85 {
86 /* Run your code on data */
87 OHOS::DistributedHardware::RegisterDistributedHardwareFuzzTest(data, size);
88 return 0;
89 }