1 /*
2 * Copyright (c) 2025 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 <cstddef>
17 #include <cstdint>
18 #include <fuzzer/FuzzedDataProvider.h>
19
20 #include "bmscheckencryptionparam_fuzzer.h"
21 #include "ipc/check_encryption_param.h"
22 #include "parcel_macro.h"
23 #include "string_ex.h"
24 #include "bms_fuzztest_util.h"
25
26 using namespace OHOS::AppExecFwk;
27 namespace OHOS {
28 constexpr uint32_t CODE_MAX = 26;
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)29 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
30 {
31 CheckEncryptionParam checkEncryptionParam;
32 FuzzedDataProvider fdp(data, size);
33 Parcel parcel;
34 parcel.WriteString16(Str8ToStr16(fdp.ConsumeRandomLengthString(BMSFuzzTestUtil::STRING_MAX_LENGTH)));
35 parcel.WriteInt32(fdp.ConsumeIntegral<int32_t>());
36 parcel.WriteUint32(fdp.ConsumeIntegralInRange<uint32_t>(0, CODE_MAX));
37
38 checkEncryptionParam.ReadFromParcel(parcel);
39 checkEncryptionParam.Marshalling(parcel);
40 if (!checkEncryptionParam.Marshalling(parcel)) {
41 return false;
42 }
43 auto rulePtr = CheckEncryptionParam::Unmarshalling(parcel);
44 if (rulePtr == nullptr) {
45 return false;
46 }
47 delete rulePtr;
48 return true;
49 }
50 }
51 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)52 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
53 {
54 // Run your code on data.
55 OHOS::DoSomethingInterestingWithMyAPI(data, size);
56 return 0;
57 }