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 "stringrefwriteutf16_fuzzer.h"
17 #include "ecmascript/base/string_helper.h"
18 #include "ecmascript/base/utf_helper.h"
19 #include "ecmascript/napi/include/jsnapi.h"
20
21 using namespace panda;
22 using namespace panda::ecmascript;
23 using namespace panda::ecmascript::base::utf_helper;
24
25 namespace OHOS {
StringRefWriteUtf16FuzzTest(const uint8_t * data,size_t size)26 void StringRefWriteUtf16FuzzTest(const uint8_t* data, size_t size)
27 {
28 RuntimeOption option;
29 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
30 EcmaVM *vm = JSNApi::CreateJSVM(option);
31 if (data == nullptr || size <= 0) {
32 LOG_ECMA(ERROR) << "illegal input!";
33 return;
34 }
35 int length = size / sizeof(char16_t);
36 char16_t* buffer = new char16_t[length];
37 if (memset_s(buffer, length, 0, length) != EOK) {
38 LOG_ECMA(ERROR) << "memset_s fail!";
39 UNREACHABLE();
40 }
41 Local<StringRef> res = StringRef::NewFromUtf16(vm, (char16_t*)data, length);
42 if (length == 1) {
43 buffer[0] = '\0';
44 } else if (length != 0) {
45 int count = res->WriteUtf16(vm, buffer, length - 1);
46 buffer[count] = '\0';
47 }
48 delete[] buffer;
49 buffer = nullptr;
50 JSNApi::DestroyJSVM(vm);
51 }
52 }
53
54 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56 {
57 // Run your code on data.
58 OHOS::StringRefWriteUtf16FuzzTest(data, size);
59 return 0;
60 }