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 "string_fuzzer.h"
17
18 #include <cstdint>
19 #include <thread>
20 #include <vector>
21
22 #include "fuzz_log.h"
23 #include "fuzzer/FuzzedDataProvider.h"
24 #include "string_ex.h"
25
26 using namespace std;
27
28 namespace OHOS {
29 const uint8_t MAX_STRING_LENGTH = 255;
30
StringTestFunc(FuzzedDataProvider * dataProvider)31 void StringTestFunc(FuzzedDataProvider* dataProvider)
32 {
33 FUZZ_LOGI("StringTestFunc start");
34 string str = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
35 string src = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
36 string dst = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
37 ReplaceStr(str, src, dst);
38
39 int value = dataProvider->ConsumeIntegral<int>();
40 bool upper = dataProvider->ConsumeBool();
41 DexToHexString(value, upper);
42
43 string newStr = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
44 IsAlphaStr(newStr);
45 IsUpperStr(newStr);
46 IsLowerStr(newStr);
47 IsNumericStr(newStr);
48
49 string sub = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
50 IsSubStr(newStr, sub);
51
52 string left = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
53 string right = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
54 string emptySubStr;
55 GetFirstSubStrBetween(newStr, left, right, emptySubStr);
56 FUZZ_LOGI("StringTestFunc end");
57 }
58 } // namespace OHOS
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 FuzzedDataProvider dataProvider(data, size);
64 OHOS::StringTestFunc(&dataProvider);
65 return 0;
66 }
67