1 /*
2  * Copyright (c) 2024 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 "addsystemprocess_fuzzer.h"
17 
18 #include "fuzztest_utils.h"
19 #include "string_ex.h"
20 #include "itest_transaction_service.h"
21 #include "samgr_ipc_interface_code.h"
22 namespace OHOS {
23 namespace Samgr {
24 namespace {
25 constexpr size_t THRESHOLD = 4;
26 const std::u16string SAMGR_INTERFACE_TOKEN = u"ohos.samgr.accessToken";
27 }
FuzzAddSystemProcess(const uint8_t * data,size_t size)28 void FuzzAddSystemProcess(const uint8_t *data, size_t size)
29 {
30     sptr<IRemoteObject> procObj = new(std::nothrow) MockSystemAbilityStatusChange();
31     if (procObj == nullptr) {
32         return;
33     }
34     MessageParcel parcelData;
35     parcelData.WriteInterfaceToken(SAMGR_INTERFACE_TOKEN);
36     std::u16string procName = Str8ToStr16(FuzzTestUtils::BuildStringFromData(data, size));
37     parcelData.WriteString16(procName);
38     parcelData.WriteRemoteObject(procObj);
39     FuzzTestUtils::FuzzTestRemoteRequest(parcelData,
40         static_cast<uint32_t>(SamgrInterfaceCode::ADD_SYSTEM_PROCESS_TRANSACTION));
41 }
42 }
43 }
44 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
46 {
47     if (size < OHOS::Samgr::THRESHOLD) {
48         return 0;
49     }
50     OHOS::Samgr::FuzzAddSystemProcess(data, size);
51     return 0;
52 }