1 /*
2 * Copyright (c) 2025 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 "mmi_log.h"
17 #include "input_device_manager.h"
18 #include "notifydeviceadded_fuzzer.h"
19
20 #include "securec.h"
21
22 #undef MMI_LOG_TAG
23 #define MMI_LOG_TAG "NotifyDeviceAddedFuzzTest"
24
25 namespace OHOS {
26 namespace MMI {
27 namespace OHOS {
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
NotifyDeviceAddedFuzzTest(const uint8_t * data,size_t size)42 bool NotifyDeviceAddedFuzzTest(const uint8_t *data, size_t size)
43 {
44 size_t startPos = 0;
45 int32_t rowsBefore;
46 startPos += GetObject<int32_t>(rowsBefore, data + startPos, size - startPos);
47 int32_t deviceId = 1;
48 INPUT_DEV_MGR->NotifyDeviceAdded(deviceId);
49 return true;
50 }
51 } // namespace OHOS
52
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)53 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
54 {
55 /* Run your code on data */
56 if (data == nullptr) {
57 return 0;
58 }
59
60 OHOS::NotifyDeviceAddedFuzzTest(data, size);
61 return 0;
62 }
63 } // namespace MMI
64 } // namespace OHOS