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 "supportkeys_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 "SupportKeysFuzzTest"
25
26 namespace OHOS {
27 namespace MMI {
28 namespace {
29 constexpr int32_t FUZZ_FST_DATA = 0;
30 constexpr int32_t MAX_SUPPORT_KEY = 5;
31 } // namespace
32
33 template<class T>
GetObject(const uint8_t * data,size_t size,T & object)34 size_t GetObject(const uint8_t *data, size_t size, T &object)
35 {
36 size_t objectSize = sizeof(object);
37 if (objectSize > size) {
38 return 0;
39 }
40 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
41 if (ret != EOK) {
42 return 0;
43 }
44 return objectSize;
45 }
46
SupportKeysFuzzTest(const uint8_t * data,size_t size)47 void SupportKeysFuzzTest(const uint8_t* data, size_t size)
48 {
49 int32_t id = data[FUZZ_FST_DATA];
50 size_t startPos = 0;
51 std::vector<int32_t> keycodes;
52 for (int32_t i = 0; i < MAX_SUPPORT_KEY; i++) {
53 int32_t preKey;
54 startPos += GetObject<int32_t>(data + startPos, size - startPos, preKey);
55 keycodes.push_back(preKey);
56 }
57 auto fun = [](std::vector<bool> isSupport) {
58 MMI_HILOGD("Support key success");
59 };
60 InputManager::GetInstance()->SupportKeys(id, keycodes, fun);
61 }
62 } // namespace MMI
63 } // namespace 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::SupportKeysFuzzTest(data, size);
70 return 0;
71 }