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 #ifndef COMMON_FUZZER_H
17 #define COMMON_FUZZER_H
18
19 #include "ecmascript/napi/include/jsnapi.h"
20
21 #define MAXBYTELEN sizeof(int32_t)
22
23 namespace panda::ecmascript {
24 class common_fuzzer {
25 public:
26 common_fuzzer() = default;
27 ~common_fuzzer() = default;
28
29 EcmaVM* GetEcvm();
30 void DestroyEcvm(EcmaVM* vm);
31 std::string GetString(const uint8_t* data, size_t size);
32 };
33
GetEcvm()34 EcmaVM* common_fuzzer::GetEcvm()
35 {
36 RuntimeOption option;
37 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
38 auto vm = JSNApi::CreateJSVM(option);
39 return vm;
40 }
41
DestroyEcvm(EcmaVM * vm)42 void common_fuzzer::DestroyEcvm(EcmaVM* vm)
43 {
44 JSNApi::DestroyJSVM(vm);
45 }
46
GetString(const uint8_t * data,size_t size)47 std::string common_fuzzer::GetString(const uint8_t* data, size_t size)
48 {
49 int index = 0;
50 std::string str(data, data + size);
51 if (size <= 0) {
52 return "";
53 }
54 if (size > MAXBYTELEN) {
55 size = MAXBYTELEN;
56 }
57 if (memcpy_s(&index, MAXBYTELEN, data, size) != 0) {
58 std::cout << "memcpy_s failed!";
59 UNREACHABLE();
60 }
61 return str;
62 }
63 }
64
65 #endif