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 "copyframe_fuzzer.h"
17
18 #include <cstring>
19 #include <securec.h>
20 #include <ui/rs_surface_node.h>
21
22 #include "nweb.h"
23 #include "nweb_adapter_helper.h"
24
25 #define private public
26 #include "nweb_surface_adapter.h"
27
28 using namespace OHOS::NWeb;
29
30 namespace OHOS {
31
CopyFrameFuzzTest(const uint8_t * data,size_t size)32 bool CopyFrameFuzzTest(const uint8_t* data, size_t size)
33 {
34 constexpr int BITS_PER_PIXEL = 4;
35 if ((data == nullptr) || (size < sizeof(uint32_t))) {
36 return false;
37 }
38 uint32_t width;
39 uint32_t height;
40 if (memcpy_s(&width, sizeof(uint32_t), data, sizeof(uint32_t)) != 0) {
41 return false;
42 }
43 if (memcpy_s(&height, sizeof(uint32_t), data, sizeof(uint32_t)) != 0) {
44 return false;
45 }
46 sptr<SurfaceBuffer> surfaceBuffer = nullptr;
47 auto surfaceAdapter = NWebSurfaceAdapter::Instance();
48 if (width == 0 || height == 0) {
49 return false;
50 }
51 char* src = new char[BITS_PER_PIXEL] { 0 };
52 if (src == nullptr) {
53 return false;
54 }
55 surfaceAdapter.CopyFrame(surfaceBuffer, src, width, height);
56 delete[] src;
57 return true;
58 }
59 } // namespace OHOS
60
61 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)62 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
63 {
64 /* Run your code on data */
65 OHOS::CopyFrameFuzzTest(data, size);
66 return 0;
67 }
68