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 <parcel.h>
19 #include <securec.h>
20
21 #include <iremote_stub.h>
22 #include "message_option.h"
23 #include "message_parcel.h"
24 #include "marshalling_helper.h"
25 #include "session/host/include/zidl/session_ipc_interface_code.h"
26 #include "session/host/include/zidl/session_stub.h"
27 #include "session/host/include/session.h"
28 #include "sessionstubuec_fuzzer.h"
29
30 using namespace OHOS::Rosen;
31
32 namespace OHOS {
33 namespace {
34 constexpr size_t DATA_MIN_SIZE = 2;
35 }
36
SessionStubUecTest(sptr<Session> sessionStub,MessageParcel & parcel)37 void SessionStubUecTest(sptr<Session> sessionStub, MessageParcel& parcel)
38 {
39 MessageParcel reply;
40 MessageOption option;
41 parcel.RewindRead(0);
42 sessionStub->OnRemoteRequest(static_cast<uint32_t>
43 (Rosen::SessionInterfaceCode::TRANS_ID_NOTIFY_EXTENSION_EVENT_ASYNC),
44 parcel, reply, option);
45 parcel.RewindRead(0);
46 sessionStub->OnRemoteRequest(static_cast<uint32_t>
47 (Rosen::SessionInterfaceCode::TRANS_ID_NOTIFY_EXTENSION_DETACH_TO_DISPLAY),
48 parcel, reply, option);
49 parcel.RewindRead(0);
50 sessionStub->OnRemoteRequest(static_cast<uint32_t>
51 (Rosen::SessionInterfaceCode::TRANS_ID_SEND_EXTENSION_DATA),
52 parcel, reply, option);
53 }
54
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)55 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
56 {
57 if (data == nullptr || size < DATA_MIN_SIZE) {
58 return false;
59 }
60
61 MessageParcel parcel;
62
63 parcel.WriteInterfaceToken(SessionStub::GetDescriptor());
64 parcel.WriteBuffer(data, size);
65
66 SessionInfo info;
67 info.abilityName_ = "stubUecFuzzTest";
68 info.bundleName_ = "stubUecFuzzTest";
69 sptr<Session> sessionStub = new (std::nothrow) Session(info);
70 if (sessionStub == nullptr) {
71 return false;
72 }
73
74 SessionStubUecTest(sessionStub, parcel);
75
76 return true;
77 }
78 } // namespace.OHOS
79
80 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)81 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
82 {
83 /* Run your code on data */
84 OHOS::DoSomethingInterestingWithMyAPI(data, size);
85 return 0;
86 }