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 "arknativeengine_fuzzer.h"
17 #include "native_engine/impl/ark/ark_native_engine.h"
18 #include "securec.h"
19
20 using namespace panda;
21 using namespace panda::ecmascript;
22 using panda::RuntimeOption;
23
24
25 #define MAXBYTELEN sizeof(uint32_t)
26
27 class Engine {
28 public:
Engine()29 Engine()
30 {
31 RuntimeOption option;
32 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
33 vm_ = JSNApi::CreateJSVM(option);
34 arkNativeEngine_ = new ArkNativeEngine(vm_, nullptr);
35 }
36
RunBufferScript(std::vector<uint8_t> & buffer)37 void RunBufferScript(std::vector<uint8_t>& buffer)
38 {
39 arkNativeEngine_->RunBufferScript(buffer);
40 }
41
RunScriptPath(const char * path)42 void RunScriptPath(const char* path)
43 {
44 arkNativeEngine_->RunScriptPath(path);
45 }
46
~Engine()47 ~Engine()
48 {
49 delete arkNativeEngine_;
50 JSNApi::DestroyJSVM(vm_);
51 }
52 private:
53 EcmaVM* vm_ {nullptr};
54 ArkNativeEngine* arkNativeEngine_ {nullptr};
55 };
56
57 static Engine g_nativeEngine;
58
59 namespace OHOS {
ArkNativeEngineFuzzTest(const uint8_t * data,size_t size)60 void ArkNativeEngineFuzzTest(const uint8_t* data, size_t size)
61 {
62 if (size <= 0) {
63 return;
64 }
65 double input = 0;
66 if (size > MAXBYTELEN) {
67 size = MAXBYTELEN;
68 }
69 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
70 std::cout << "memcpy_s failed!" << std::endl;
71 UNREACHABLE();
72 }
73
74 std::string result(reinterpret_cast<const char*>(data), size);
75 g_nativeEngine.RunScriptPath(result.c_str());
76 std::vector<uint8_t> vec(size, *data);
77 g_nativeEngine.RunBufferScript(vec);
78 }
79 }
80
81 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
83 {
84 // Run your code on data.
85 OHOS::ArkNativeEngineFuzzTest(data, size);
86 return 0;
87 }