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 "subscribekeyevent_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 "SubscribeKeyEventFuzzTest"
25
26namespace OHOS {
27namespace MMI {
28namespace {
29constexpr int32_t DEFAULT_PREKEY_COUNT = 3;
30} // namespace
31
32class InputEventConsumerTest : public IInputEventConsumer {
33public:
34    virtual void OnInputEvent(std::shared_ptr<PointerEvent> pointerEvent) const override
35    {
36        MMI_HILOGD("Report pointer event success");
37    };
38    virtual void OnInputEvent(std::shared_ptr<KeyEvent> keyEvent) const override {};
39    virtual void OnInputEvent(std::shared_ptr<AxisEvent> axisEvent) const override {};
40};
41
42template<class T>
43size_t GetObject(T &object, const uint8_t *data, size_t size)
44{
45    size_t bodySize = sizeof(object);
46    if (bodySize > size) {
47        return 0;
48    }
49    errno_t retNum = memcpy_s(&object, bodySize, data, bodySize);
50    if (retNum != EOK) {
51        return 0;
52    }
53    return bodySize;
54}
55
56void SubscribeKeyEventFuzzTest(const uint8_t* data, size_t size)
57{
58    std::shared_ptr<KeyOption> keyOption = std::make_shared<KeyOption>();
59    std::set<int32_t> prekeys;
60    size_t startPos = 0;
61    for (int32_t i = 0; i < DEFAULT_PREKEY_COUNT; i++) {
62        int32_t preKey;
63        startPos += GetObject<int32_t>(preKey, data + startPos, size - startPos);
64        prekeys.insert(preKey);
65    }
66    keyOption->SetPreKeys(prekeys);
67    int32_t keyDown;
68    startPos += GetObject<int32_t>(keyDown, data + startPos, size - startPos);
69    keyOption->SetFinalKeyDown(keyDown != 0);
70    int32_t keyDownDuration;
71    startPos += GetObject<int32_t>(keyDownDuration, data + startPos, size - startPos);
72    keyOption->SetFinalKeyDownDuration(keyDownDuration);
73    int32_t finalKey;
74    startPos += GetObject<int32_t>(finalKey, data + startPos, size - startPos);
75    keyOption->SetFinalKey(finalKey);
76    auto fun = [](std::shared_ptr<KeyEvent> event) {
77        MMI_HILOGD("Subscribe keyevent success");
78    };
79    int32_t subscribeId = InputManager::GetInstance()->SubscribeKeyEvent(keyOption, fun);
80    InputManager::GetInstance()->UnsubscribeKeyEvent(subscribeId);
81}
82} // namespace MMI
83} // namespace OHOS
84
85/* Fuzzer entry point */
86extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
87{
88    /* Run your code on data */
89    OHOS::MMI::SubscribeKeyEventFuzzTest(data, size);
90    return 0;
91}
92
93