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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 "jsnapiexceptions_fuzzer.h"
17 #include "ecmascript/base/string_helper.h"
18 #include "ecmascript/napi/include/dfx_jsnapi.h"
19 #include "ecmascript/napi/include/jsnapi.h"
20 
21 using namespace panda;
22 using namespace panda::ecmascript;
23 
24 namespace OHOS {
JSNApiGetAndClearUncaughtExceptionFuzzTest(const uint8_t * data,size_t size)25 void JSNApiGetAndClearUncaughtExceptionFuzzTest(const uint8_t *data, size_t size)
26 {
27     RuntimeOption option;
28     option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
29     EcmaVM *vm = JSNApi::CreateJSVM(option);
30     if (data == nullptr || size <= 0) {
31         LOG_ECMA(ERROR) << "illegal input!";
32         return;
33     }
34     Local<StringRef> message = StringRef::NewFromUtf8(vm, (char *)data, (int)size);
35     Local<JSValueRef> error = Exception::Error(vm, message);
36     JSNApi::ThrowException(vm, error);
37     JSNApi::GetAndClearUncaughtException(vm);
38     JSNApi::DestroyJSVM(vm);
39 }
40 
JSNApiPrintExceptionInfoFuzzTest(const uint8_t * data,size_t size)41 void JSNApiPrintExceptionInfoFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
42 {
43     RuntimeOption option;
44     option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
45     EcmaVM *vm = JSNApi::CreateJSVM(option);
46     if (size <= 0) {
47         return;
48     }
49     JSNApi::PrintExceptionInfo(vm);
50     JSNApi::DestroyJSVM(vm);
51 }
52 
JSNApiThrowExceptionFuzzTest(const uint8_t * data,size_t size)53 void JSNApiThrowExceptionFuzzTest(const uint8_t *data, size_t size)
54 {
55     RuntimeOption option;
56     option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
57     EcmaVM *vm = JSNApi::CreateJSVM(option);
58     if (data == nullptr || size <= 0) {
59         LOG_ECMA(ERROR) << "illegal input!";
60         return;
61     }
62     Local<StringRef> message = StringRef::NewFromUtf8(vm, (char *)data, (int)size);
63     Local<JSValueRef> error = Exception::Error(vm, message);
64     JSNApi::ThrowException(vm, error);
65     JSNApi::DestroyJSVM(vm);
66 }
67 }
68 
69 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)70 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
71 {
72     // Run your code on data.
73     OHOS::JSNApiGetAndClearUncaughtExceptionFuzzTest(data, size);
74     OHOS::JSNApiPrintExceptionInfoFuzzTest(data, size);
75     OHOS::JSNApiThrowExceptionFuzzTest(data, size);
76     return 0;
77 }