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 "ForwardReadStream_fuzzer.h"
17 #include <uv.h>
18 #include "forward.h"
19
20 namespace Hdc {
21
FuzzForwardReadStream(const uint8_t *data, size_t size)22 bool FuzzForwardReadStream(const uint8_t *data, size_t size)
23 {
24 if (size <= 0) {
25 return true;
26 }
27 HTaskInfo hTaskInfo = new TaskInformation();
28 HdcSessionBase *daemon = new HdcSessionBase(false);
29 hTaskInfo->ownerSessionClass = daemon;
30 auto forward = new(std::nothrow) HdcForwardBase(hTaskInfo);
31 if (forward == nullptr) {
32 WRITE_LOG(LOG_FATAL, "FuzzForwardReadStream forward is null");
33 return false;
34 }
35 HdcForwardBase::HCtxForward ctx = (HdcForwardBase::HCtxForward)forward->MallocContext(true);
36 if (ctx == nullptr) {
37 WRITE_LOG(LOG_FATAL, "FuzzForwardReadStream ctx is null");
38 return false;
39 }
40 uv_stream_t *stream = (uv_stream_t *)&ctx->tcp;
41 uint8_t *base = new uint8_t[size];
42 (void)memcpy_s(base, size, const_cast<uint8_t *>(data), size);
43 uv_buf_t rbf = uv_buf_init(reinterpret_cast<char *>(base), size);
44 forward->ReadForwardBuf(stream, (ssize_t)size, &rbf);
45 delete ctx;
46 delete daemon;
47 delete forward;
48 delete hTaskInfo;
49 return true;
50 }
51 } // namespace Hdc
52
53 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)54 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
55 {
56 /* Run your code on data */
57 Hdc::FuzzForwardReadStream(data, size);
58 return 0;
59 }
60