1  /*
2   * Copyright (c) 2023 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 <cstdio>
17  #include <cstdlib>
18  #include <unistd.h>
19  #include "hdf_base.h"
20  
21  #ifdef __cplusplus
22  extern "C" {
23      int32_t AudioEffectGetConfigDescriptor(const char *path, struct ConfigDescriptor **cfgDesc);
24      void AudioEffectReleaseCfgDesc(struct ConfigDescriptor *cfgDesc);
25  }
26  #endif
27  
DoSomethingInterestingWithMyAPI(const uint8_t * rawData,size_t size)28  static bool DoSomethingInterestingWithMyAPI(const uint8_t *rawData, size_t size)
29  {
30      if (rawData == NULL) {
31          return false;
32      }
33  
34      // Create a temporary file with the data
35      char tmpfile[] = "/tmp/fuzz-XXXXXX";
36      int fd = mkstemp(tmpfile);
37      if (fd < 0) {
38          return 0;
39      }
40      write(fd, rawData, size);
41      close(fd);
42  
43      struct ConfigDescriptor *cfgDesc;
44      // Call the interface with the temporary file
45      int ret = AudioEffectGetConfigDescriptor(tmpfile, &cfgDesc);
46      if (ret != HDF_SUCCESS) {
47          return false;
48      }
49      AudioEffectReleaseCfgDesc(cfgDesc);
50  
51      // Remove the temporary file
52      remove(tmpfile);
53      return true;
54  }
55  
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56  extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
57  {
58      DoSomethingInterestingWithMyAPI(data, size);
59  
60      return 0;
61  }
62