1 /*
2 * Copyright (c) 2022 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 "rejectcall_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #define private public
21 #include "addcalltoken_fuzzer.h"
22 #include "call_manager_service_stub.h"
23
24 using namespace OHOS::Telephony;
25 namespace OHOS {
26 constexpr int32_t SLOT_NUM = 2;
27 constexpr int32_t CHOICE_NUM = 2;
28
RejectCall(const uint8_t * data,size_t size)29 void RejectCall(const uint8_t *data, size_t size)
30 {
31 if (!IsServiceInited()) {
32 return;
33 }
34
35 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
36 int32_t rejectWithMessage = static_cast<int32_t>(size % CHOICE_NUM);
37 std::string message(reinterpret_cast<const char *>(data), size);
38 MessageParcel dataMessageParcel;
39 dataMessageParcel.WriteInt32(slotId);
40 dataMessageParcel.WriteInt32(rejectWithMessage);
41 dataMessageParcel.WriteString16(Str8ToStr16(message));
42 dataMessageParcel.RewindRead(0);
43 MessageParcel reply;
44 DelayedSingleton<CallManagerService>::GetInstance()->OnRejectCall(dataMessageParcel, reply);
45 }
46
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)47 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
48 {
49 if (data == nullptr || size == 0) {
50 return;
51 }
52
53 RejectCall(data, size);
54 }
55 } // namespace OHOS
56
57 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)58 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
59 {
60 OHOS::AddCallTokenFuzzer token;
61 /* Run your code on data */
62 OHOS::DoSomethingInterestingWithMyAPI(data, size);
63 return 0;
64 }
65