1 /*
2 * Copyright (c) 2023-2025 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 "dinputinitsink_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <functional>
21 #include <iostream>
22 #include <thread>
23 #include <unistd.h>
24
25 #include <refbase.h>
26
27 #include "constants_dinput.h"
28 #include "distributed_input_handler.h"
29 #include "distributed_input_kit.h"
30 #include "distributed_input_sink_handler.h"
31 #include "i_distributed_sink_input.h"
32
33 namespace OHOS {
34 namespace DistributedHardware {
InitSinkFuzzTest(const uint8_t * data,size_t size)35 void InitSinkFuzzTest(const uint8_t *data, size_t size)
36 {
37 if ((data == nullptr) || (size == 0)) {
38 return;
39 }
40 std::string params(reinterpret_cast<const char*>(data), size);
41 DistributedInput::DistributedInputSinkHandler::GetInstance().InitSink(params);
42 const uint32_t sleepTimeUs = 50 * 1000;
43 usleep(sleepTimeUs);
44 }
45
OnLoadSystemAbilitySuccessFuzzTest(const uint8_t * data,size_t size)46 void OnLoadSystemAbilitySuccessFuzzTest(const uint8_t *data, size_t size)
47 {
48 if ((data == nullptr) || (size < sizeof(int32_t))) {
49 return;
50 }
51 int32_t saId = *(reinterpret_cast<const int32_t*>(data));
52 DistributedInput::DistributedInputSinkHandler::SALoadSinkCb saLoadSinkCb;
53 saLoadSinkCb.OnLoadSystemAbilitySuccess(saId, nullptr);
54 }
55
OnLoadSystemAbilityFailFuzzTest(const uint8_t * data,size_t size)56 void OnLoadSystemAbilityFailFuzzTest(const uint8_t *data, size_t size)
57 {
58 if ((data == nullptr) || (size < sizeof(int32_t))) {
59 return;
60 }
61 int32_t saId = *(reinterpret_cast<const int32_t*>(data));
62 DistributedInput::DistributedInputSinkHandler::SALoadSinkCb saLoadSinkCb;
63 saLoadSinkCb.OnLoadSystemAbilityFail(saId);
64 }
65
OnRemoteSinkSvrDiedFuzzTest(const uint8_t * data,size_t size)66 void OnRemoteSinkSvrDiedFuzzTest(const uint8_t *data, size_t size)
67 {
68 if ((data == nullptr) || (size == 0)) {
69 return;
70 }
71 std::string networkId(reinterpret_cast<const char*>(data), size);
72 DistributedInput::DistributedInputSinkHandler::GetInstance().OnRemoteSinkSvrDied(nullptr);
73 DistributedInput::DistributedInputSinkHandler::GetInstance().RegisterPrivacyResources(nullptr);
74 DistributedInput::DistributedInputSinkHandler::GetInstance().PauseDistributedHardware(networkId);
75 DistributedInput::DistributedInputSinkHandler::GetInstance().ResumeDistributedHardware(networkId);
76 DistributedInput::DistributedInputSinkHandler::GetInstance().StopDistributedHardware(networkId);
77 }
78 } // namespace DistributedHardware
79 } // namespace OHOS
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 /* Run your code on data */
85 OHOS::DistributedHardware::InitSinkFuzzTest(data, size);
86 OHOS::DistributedHardware::OnLoadSystemAbilitySuccessFuzzTest(data, size);
87 OHOS::DistributedHardware::OnLoadSystemAbilityFailFuzzTest(data, size);
88 OHOS::DistributedHardware::OnRemoteSinkSvrDiedFuzzTest(data, size);
89 return 0;
90 }