1 /*
2 * Copyright (c) 2022-2023 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 "codecgetconfig_fuzzer.h"
17 #include "codeccommon_fuzzer.h"
18
19 #include <securec.h>
20
21 namespace {
22 struct AllParameters {
23 uint32_t index;
24 int8_t *cfgStruct;
25 uint32_t cfgStructLen;
26 };
27 }
28
29 namespace OHOS {
30 namespace Codec {
CodecGetConfig(const uint8_t * data,size_t size)31 bool CodecGetConfig(const uint8_t *data, size_t size)
32 {
33 struct AllParameters params;
34 if (data == nullptr) {
35 return false;
36 }
37
38 uint8_t *rawData = const_cast<uint8_t *>(data);
39 params.index = Convert2Uint32(rawData);
40 if (size > sizeof(uint32_t) + sizeof(int8_t *)) {
41 rawData = rawData + sizeof(uint32_t);
42 size = size - sizeof(uint32_t);
43 params.cfgStruct = reinterpret_cast<int8_t *>(rawData);
44 params.cfgStructLen = size;
45 } else {
46 params.cfgStruct = reinterpret_cast<int8_t *>(rawData);
47 params.cfgStructLen = size;
48 }
49
50 bool result = Preconditions();
51 if (!result) {
52 HDF_LOGE("%{public}s: Preconditions failed\n", __func__);
53 return false;
54 }
55
56 int32_t ret = g_component->GetConfig(g_component, params.index, params.cfgStruct, params.cfgStructLen);
57 if (ret != HDF_SUCCESS) {
58 HDF_LOGE("%{public}s: GetConfig failed, ret is [%{public}x]\n", __func__, ret);
59 }
60
61 result = Destroy();
62 if (!result) {
63 HDF_LOGE("%{public}s: Destroy failed\n", __func__);
64 return false;
65 }
66
67 return true;
68 }
69 } // namespace codec
70 } // namespace OHOS
71
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)72 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
73 {
74 OHOS::Codec::CodecGetConfig(data, size);
75 return 0;
76 }