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 #include "hexvectohexstr_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "addcoreservicetoken_fuzzer.h"
22 #include <fuzzer/FuzzedDataProvider.h>
23 #include "napi_util.h"
24 #include "system_ability_definition.h"
25 #include "tag_service.h"
26
27 using namespace OHOS::Telephony;
28 namespace OHOS {
29 constexpr int32_t TEST_MAX_UINT8 = 255;
30
GetRandomInt(int min,int max,const uint8_t * data,size_t size)31 int32_t GetRandomInt(int min, int max, const uint8_t *data, size_t size)
32 {
33 FuzzedDataProvider fdp(data, size);
34 return fdp.ConsumeIntegralInRange<int32_t>(min, max);
35 }
36
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)37 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
38 {
39 if (data == nullptr || size == 0) {
40 return;
41 }
42
43 uint8_t result = static_cast<uint8_t>(GetRandomInt(0, TEST_MAX_UINT8, data, size));
44 std::vector<uint8_t> parameter;
45 parameter.push_back(result);
46 auto tagService = std::make_shared<TagService>(parameter);
47 tagService->GetValue(parameter);
48 tagService->GetTagCode();
49 tagService->Next();
50 }
51 } // namespace OHOS
52
53 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)54 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
55 {
56 OHOS::AddCoreServiceTokenFuzzer token;
57 return 0;
58 }
59
60 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
62 {
63 /* Run your code on data */
64 OHOS::DoSomethingInterestingWithMyAPI(data, size);
65 return 0;
66 }
67