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 <cstdlib>
18 #include <random>
19 #include <vector>
20
21 #include "device_manager_service_listener.h"
22 #include "dm_auth_manager.h"
23 #include "hichain_connector.h"
24
25 #include "on_finish_fuzzer.h"
26
27 namespace OHOS {
28 namespace DistributedHardware {
29
30 class HiChainConnectorCallbackTest : public IHiChainConnectorCallback {
31 public:
HiChainConnectorCallbackTest()32 HiChainConnectorCallbackTest() {}
~HiChainConnectorCallbackTest()33 virtual ~HiChainConnectorCallbackTest() {}
OnGroupCreated(int64_t requestId,const std::string & groupId)34 void OnGroupCreated(int64_t requestId, const std::string &groupId) override
35 {
36 (void)requestId;
37 (void)groupId;
38 }
OnMemberJoin(int64_t requestId,int32_t status)39 void OnMemberJoin(int64_t requestId, int32_t status) override
40 {
41 (void)requestId;
42 (void)status;
43 }
GetConnectAddr(std::string deviceId)44 std::string GetConnectAddr(std::string deviceId) override
45 {
46 (void)deviceId;
47 return "";
48 }
GetPinCode(int32_t & code)49 int32_t GetPinCode(int32_t &code) override
50 {
51 (void)code;
52 return DM_OK;
53 }
54 };
55
OnFinishFuzzTest(const uint8_t * data,size_t size)56 void OnFinishFuzzTest(const uint8_t* data, size_t size)
57 {
58 if ((data == nullptr) || (size < sizeof(int64_t))) {
59 return;
60 }
61
62 std::shared_ptr<HiChainConnector> hichainConnector = std::make_shared<HiChainConnector>();
63 hichainConnector->RegisterHiChainCallback(std::make_shared<HiChainConnectorCallbackTest>());
64
65 int64_t requestId = *(reinterpret_cast<const int64_t*>(data));
66 std::random_device rd;
67 int operationCode = static_cast<GroupOperationCode>(rd() % 6);
68 std::string str(reinterpret_cast<const char*>(data), size);
69 const char *returnData = str.data();
70 hichainConnector->onFinish(requestId, operationCode, returnData);
71 }
72 }
73 }
74
75 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)76 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
77 {
78 /* Run your code on data */
79 OHOS::DistributedHardware::OnFinishFuzzTest(data, size);
80
81 return 0;
82 }