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 "devicestatusstreambuffer_fuzzer.h"
17
18 #include "singleton.h"
19
20 #define private public
21 #include "devicestatus_stream_buffer.h"
22 #include "fi_log.h"
23 #include "message_parcel.h"
24
25 #undef LOG_TAG
26 #define LOG_TAG "DeviceStatusStreamFuzzTest"
27
28 namespace OHOS {
29 namespace Msdp {
30 namespace DeviceStatus {
31 namespace OHOS {
32 const std::u16string FORMMGR_DEVICE_TOKEN { u"ohos.msdp.Idevicestatus" };
33
DeviceStatusStreamFuzzTest(const uint8_t * data,size_t size)34 bool DeviceStatusStreamFuzzTest(const uint8_t* data, size_t size)
35 {
36 MessageParcel datas;
37 if (!datas.WriteInterfaceToken(FORMMGR_DEVICE_TOKEN) ||
38 !datas.WriteBuffer(data, size) || !datas.RewindRead(0)) {
39 FI_HILOGE("Write failed");
40 return false;
41 }
42 StreamBuffer streamBuffer;
43 int32_t n = 0;
44 streamBuffer.SeekReadPos(n);
45 const char *buf = streamBuffer.ReadBuf();
46 char *buf1 = nullptr;
47 streamBuffer.Write(buf, size);
48 streamBuffer.Read(buf1, size);
49 streamBuffer.Write(buf);
50 streamBuffer.Read(buf);
51 streamBuffer.Write(buf1);
52 streamBuffer.Read(buf1);
53 streamBuffer.GetErrorStatusRemark();
54 streamBuffer.Reset();
55 streamBuffer.Clean();
56 return true;
57 }
58
59 } // namespace OHOS
60
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62 {
63 /* Run your code on data */
64 if (data == nullptr) {
65 return 0;
66 }
67 OHOS::DeviceStatusStreamFuzzTest(data, size);
68 return 0;
69 }
70 } // namespace DeviceStatus
71 } // namespace Msdp
72 } // namespace OHOS