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
24using namespace OHOS::Telephony;
25namespace OHOS {
26constexpr int32_t SLOT_NUM = 2;
27constexpr int32_t CHOICE_NUM = 2;
28
29void 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
47void 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 */
58extern "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