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