1 /*
2 * Copyright (c) 2024 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 <cstddef>
17 #include <cstdint>
18 #include <fcntl.h>
19 #include <unistd.h>
20 #include <sys/stat.h>
21 #include <fuzzer/FuzzedDataProvider.h>
22 #include <iostream>
23 #include "parser_sample.h"
24
25 #define FUZZ_PROJECT_NAME "demuxer_fuzzer"
26 using namespace std;
27 using namespace OHOS::Media;
28 using namespace OHOS::MediaAVCodec;
29 namespace OHOS {
30 const char *MP4_PATH = "/data/test/fuzz_create.mp4";
31 const int64_t EXPECT_SIZE = 7;
32 const int64_t STRIDE = 7;
33
DoReferenceParserWithDemuxerAPI(const uint8_t * data,size_t size)34 bool DoReferenceParserWithDemuxerAPI(const uint8_t *data, size_t size)
35 {
36 if (size < sizeof(int64_t)) {
37 return false;
38 }
39 int32_t fd = open(MP4_PATH, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
40 if (fd < 0) {
41 return false;
42 }
43 int len = write(fd, data, size);
44 if (len <= EXPECT_SIZE) {
45 close(fd);
46 return false;
47 }
48 close(fd);
49 FuzzedDataProvider fdp(data, size);
50 int64_t pts = fdp.ConsumeIntegral<int64_t>();
51 int64_t ptsForPtsIndex = fdp.ConsumeIntegral<int64_t>();
52 int64_t frameIndex = fdp.ConsumeIntegral<int64_t>();
53 uint8_t *dataConver = const_cast<uint8_t *>(data);
54 uint32_t *createSize = reinterpret_cast<uint32_t *>(dataConver + size - STRIDE);
55 shared_ptr<ParserSample> parserSample = make_shared<ParserSample>();
56 parserSample->filePath = MP4_PATH;
57 parserSample->RunReferenceParser(pts, ptsForPtsIndex, frameIndex, *createSize);
58 int ret = remove(MP4_PATH);
59 if (ret != 0) {
60 return false;
61 }
62 return true;
63 }
64 } // namespace OHOS
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
68 {
69 /* Run your code on data */
70 OHOS::DoReferenceParserWithDemuxerAPI(data, size);
71 return 0;
72 }
73