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 "onbytesreceived_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <cstring>
21 #include <securec.h>
22 #include "dbinder_remote_listener.h"
23
24 namespace OHOS {
25
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)26 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
27 {
28 if (data == nullptr || size < sizeof(struct DHandleEntryTxRx)) {
29 return false;
30 }
31 char tmp[DATA_SIZE_MAX] = {0};
32 if (memcpy_s(tmp, sizeof(tmp) - 1, data, size) != EOK) {
33 return false;
34 }
35
36 const char* testdata = tmp;
37 std::shared_ptr<Session> session = nullptr;
38 std::shared_ptr<DBinderRemoteListener> remoteListener = nullptr;
39 ssize_t len = static_cast<ssize_t>(sizeof(struct DHandleEntryTxRx));
40 remoteListener = std::make_shared<DBinderRemoteListener>(DBinderService::GetInstance());
41 if (remoteListener == nullptr) {
42 return false;
43 }
44
45 remoteListener->OnBytesReceived(session, testdata, len);
46
47 return true;
48 }
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 }
58
59