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 "isvalidnumberstring_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "addcoreservicetoken_fuzzer.h"
23 #include "napi_util.h"
24 #include "sim_char_decode.h"
25 #include "sim_number_decode.h"
26 #include "system_ability_definition.h"
27
28 using namespace OHOS::Telephony;
29 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)30 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
31 {
32 if (data == nullptr || size == 0) {
33 return;
34 }
35
36 auto simCharDecode = std::make_shared<SimCharDecode>();
37 auto simNumberDecode = std::make_shared<SimNumberDecode>();
38 int32_t offset = 0;
39 int32_t bcdExtType = static_cast<int32_t>(*data + offset);
40 offset += sizeof(int32_t);
41 uint8_t result = static_cast<uint8_t>(*data + offset);
42 offset += sizeof(int32_t);
43 char argument = static_cast<char>(*data + offset);
44 std::string str(reinterpret_cast<const char *>(data), size);
45 std::string number(reinterpret_cast<const char *>(data), size);
46 std::vector<uint8_t> bcdCodes;
47 bcdCodes.push_back(result);
48 bool includeLen = static_cast<int32_t>(*data % 2);
49 simCharDecode->IsChineseString(str);
50 simNumberDecode->IsValidNumberString(number);
51 simNumberDecode->CharToBCD(argument, result, bcdExtType);
52 simNumberDecode->NumberConvertToBCD(number, bcdCodes, includeLen, bcdExtType);
53 simNumberDecode->BcdToChar(result, argument, bcdExtType);
54 }
55 } // namespace OHOS
56
57 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)58 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
59 {
60 OHOS::AddCoreServiceTokenFuzzer token;
61 return 0;
62 }
63
64 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)65 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
66 {
67 /* Run your code on data */
68 OHOS::DoSomethingInterestingWithMyAPI(data, size);
69 return 0;
70 }
71