1 /*
2 * Copyright (c) 2025 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 "initworkspace_fuzzer.h"
17 #include <string>
18 #include <memory>
19 #include "param_trie.h"
20 #include "param_manager.h"
21 #include "securec.h"
22 constexpr int DATA_SIZE = 2;
23
24 namespace OHOS {
FuzzInitWorkSpace(const uint8_t * data,size_t size)25 bool FuzzInitWorkSpace(const uint8_t* data, size_t size)
26 {
27 constexpr size_t minSize = sizeof(uint32_t) * DATA_SIZE;
28 if (size < minSize) {
29 return false;
30 }
31
32 uint32_t spaceSize = 0;
33 if (memcpy_s(&spaceSize, sizeof(uint32_t), data, sizeof(uint32_t)) != 0) {
34 return false;
35 }
36 data += sizeof(uint32_t);
37 size -= sizeof(uint32_t);
38
39 int onlyRead = 0;
40 if (memcpy_s(&onlyRead, sizeof(int), data, sizeof(int)) != 0) {
41 return false;
42 }
43 WorkSpace *workSpace = GetWorkSpace(0);
44
45 return (InitWorkSpace(workSpace, onlyRead, spaceSize) == 0);
46 }
47 }
48
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)49 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
50 {
51 OHOS::FuzzInitWorkSpace(data, size);
52 return 0;
53 }