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 "setkeydownduration_fuzzer.h"
17
18 #include "securec.h"
19
20 #include "input_manager.h"
21 #include "mmi_log.h"
22
23 namespace OHOS {
24 namespace MMI {
25 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = { LOG_CORE, MMI_LOG_DOMAIN, "SetKeyDownDurationFuzzTest" };
GetObject(T & object,const uint8_t * data,size_t size)26 template <class T> size_t GetObject(T &object, const uint8_t *data, size_t size)
27 {
28 size_t objectSize = sizeof(object);
29 if (objectSize > size) {
30 return 0;
31 }
32 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
33 if (ret != EOK) {
34 return 0;
35 }
36 return objectSize;
37 }
38
GetString(const uint8_t * data,size_t size,char * object,size_t objectSize)39 size_t GetString(const uint8_t *data, size_t size, char *object, size_t objectSize)
40 {
41 if (objectSize > size) {
42 return 0;
43 }
44 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
45 if (ret != EOK) {
46 return 0;
47 }
48 return objectSize;
49 }
50
SetKeyDownDurationFuzzTest(const uint8_t * data,size_t size)51 void SetKeyDownDurationFuzzTest(const uint8_t *data, size_t size)
52 {
53 size_t startPos = 0;
54 size_t stringSize = 4;
55 char businessId[] = "businessId";
56 startPos += GetString(data + startPos, size - startPos, businessId, stringSize);
57 int32_t delay;
58 MMI_HILOGD("SetKeyDownDurationFuzzTest start");
59 startPos += GetObject<int32_t>(delay, data + startPos, size - startPos);
60 InputManager::GetInstance()->SetKeyDownDuration(businessId, delay);
61 }
62 } // MMI
63 } // OHOS
64
65 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)66 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
67 {
68 /* Run your code on data */
69 OHOS::MMI::SetKeyDownDurationFuzzTest(data, size);
70 return 0;
71 }