1 /*
2 * Copyright (c) 2022 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 "devauthservaddmembertogroup_fuzzer.h"
17 #include "device_auth.h"
18 #include "device_auth_defines.h"
19 #include "hc_dev_info.h"
20 #include "hc_log.h"
21 #include "json_utils.h"
22 #include "securec.h"
23 #include <unistd.h>
24
25 namespace OHOS {
26 static char g_groupId[128] = { 0 };
27
OnError(int64_t requestId,int operationCode,int errorCode,const char * errorReturn)28 static void OnError(int64_t requestId, int operationCode, int errorCode, const char *errorReturn)
29 {
30 LOGE("error return: %" LOG_PUB "s", errorReturn);
31 }
32
OnFinish(int64_t requestId,int operationCode,const char * authReturn)33 static void OnFinish(int64_t requestId, int operationCode, const char *authReturn)
34 {
35 LOGI("return value: %" LOG_PUB "s", authReturn);
36 if (operationCode == GROUP_CREATE) {
37 CJson *json = CreateJsonFromString(authReturn);
38 if (json != nullptr) {
39 const char *data = GetStringFromJson(json, FIELD_GROUP_ID);
40 if (data != nullptr) {
41 (void)memcpy_s(g_groupId, sizeof(g_groupId), data, strlen(data));
42 g_groupId[strlen(data)] = 0;
43 }
44 FreeJson(json);
45 }
46 }
47 }
48
OnSessionKeyReturned(int64_t requestId,const uint8_t * sessionKey,uint32_t sessionKeyLen)49 static void OnSessionKeyReturned(int64_t requestId, const uint8_t *sessionKey, uint32_t sessionKeyLen) {}
50
OnTransmit(int64_t requestId,const uint8_t * data,uint32_t dataLen)51 static bool OnTransmit(int64_t requestId, const uint8_t *data, uint32_t dataLen)
52 {
53 return true;
54 }
55
OnRequest(int64_t requestId,int operationCode,const char * reqParam)56 static char *OnRequest(int64_t requestId, int operationCode, const char* reqParam)
57 {
58 return nullptr;
59 }
60
61 static DeviceAuthCallback g_gmCallback = {
62 .onTransmit = OnTransmit,
63 .onSessionKeyReturned = OnSessionKeyReturned,
64 .onFinish = OnFinish,
65 .onError = OnError,
66 .onRequest = OnRequest,
67 };
68
GenerateAddMemberParamsJson(CJson * json)69 static void GenerateAddMemberParamsJson(CJson *json)
70 {
71 AddStringToJson(json, FIELD_GROUP_ID, g_groupId);
72 AddStringToJson(json, FIELD_PIN_CODE, "123456");
73 AddIntToJson(json, FIELD_GROUP_TYPE, PEER_TO_PEER_GROUP);
74 const char *connectParams = "{\"ip\": \"192.168.1.100\", \"port\": \"10001\"}";
75 AddStringToJson(json, FIELD_CONNECT_PARAMS, connectParams);
76 }
77
FuzzDoAddMemberToGroup(const uint8_t * data,size_t size)78 bool FuzzDoAddMemberToGroup(const uint8_t* data, size_t size)
79 {
80 if (data == nullptr) {
81 return false;
82 }
83 InitDeviceAuthService();
84 std::string appId(reinterpret_cast<const char *>(data), size);
85 const DeviceGroupManager *gmInstance = GetGmInstance();
86 gmInstance->regCallback(appId.c_str(), &g_gmCallback);
87 CJson *createJson = CreateJson();
88 AddStringToJson(createJson, FIELD_GROUP_NAME, appId.c_str());
89 char localUdid[INPUT_UDID_LEN] = { 0 };
90 HcGetUdid(reinterpret_cast<uint8_t *>(localUdid), INPUT_UDID_LEN);
91 AddStringToJson(createJson, FIELD_DEVICE_ID, localUdid);
92 AddIntToJson(createJson, FIELD_GROUP_TYPE, PEER_TO_PEER_GROUP);
93 char *createParams = PackJsonToString(createJson);
94 FreeJson(createJson);
95 int64_t reqId = 123;
96 gmInstance->createGroup(0, reqId, appId.c_str(), createParams);
97 sleep(1);
98 ClearAndFreeJsonString(createParams);
99 CJson *addMemberJson = CreateJson();
100 GenerateAddMemberParamsJson(addMemberJson);
101 char *addMemberParams = PackJsonToString(addMemberJson);
102 FreeJson(addMemberJson);
103 LOGI("add member params str:%" LOG_PUB "s", addMemberParams);
104 gmInstance->addMemberToGroup(0, reqId, appId.c_str(), addMemberParams);
105 sleep(1);
106 ClearAndFreeJsonString(addMemberParams);
107 DestroyDeviceAuthService();
108 return true;
109 }
110 }
111
112 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)113 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
114 {
115 /* Run your code on data */
116 OHOS::FuzzDoAddMemberToGroup(data, size);
117 return 0;
118 }