1 /*
2  * Copyright (c) 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 "setdisplaybind_fuzzer.h"
17 
18 #include "securec.h"
19 
20 #include "input_manager.h"
21 #include "mmi_log.h"
22 
23 #undef MMI_LOG_TAG
24 #define MMI_LOG_TAG "SetDisplayBindFuzzTest"
25 
26 namespace OHOS {
27 namespace MMI {
28 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)29 size_t GetObject(T &object, const uint8_t *data, size_t size)
30 {
31     size_t objectSize = sizeof(object);
32     if (objectSize > size) {
33         return 0;
34     }
35     errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
36     if (ret != EOK) {
37         return 0;
38     }
39     return objectSize;
40 }
41 
SetDisplayBindFuzzTest(const uint8_t * data,size_t size)42 void SetDisplayBindFuzzTest(const uint8_t* data, size_t size)
43 {
44     size_t startPos = 0;
45     int32_t deviceId;
46     startPos += GetObject<int32_t>(deviceId, data + startPos, size - startPos);
47     int32_t displayId;
48     startPos += GetObject<int32_t>(displayId, data + startPos, size - startPos);
49     std::string msg(reinterpret_cast<const char*>(data), size);
50     MMI_HILOGD("SetDisplayBind start");
51     InputManager::GetInstance()->SetDisplayBind(deviceId, displayId, msg);
52 }
53 } // MMI
54 } // OHOS
55 
56 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)57 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
58 {
59     /* Run your code on data */
60     OHOS::MMI::SetDisplayBindFuzzTest(data, size);
61     return 0;
62 }
63 
64