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 "setaudiodevice_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #define private public
21 #include "addcalltoken_fuzzer.h"
22 #include "call_manager_service.h"
23 #include "system_ability_definition.h"
24
25 using namespace OHOS::Telephony;
26 namespace OHOS {
27 static bool g_isInited = false;
28 constexpr int32_t DEVICE_TYPE = 8;
29
IsServiceInited()30 bool IsServiceInited()
31 {
32 if (!g_isInited) {
33 DelayedSingleton<CallManagerService>::GetInstance()->OnStart();
34 if (DelayedSingleton<CallManagerService>::GetInstance()->GetServiceRunningState() ==
35 static_cast<int32_t>(CallManagerService::ServiceRunningState::STATE_RUNNING)) {
36 g_isInited = true;
37 }
38 }
39 return g_isInited;
40 }
41
SetAudioDevice(const uint8_t * data,size_t size)42 int32_t SetAudioDevice(const uint8_t *data, size_t size)
43 {
44 if (!IsServiceInited()) {
45 return TELEPHONY_ERROR;
46 }
47 std::string address(reinterpret_cast<const char *>(data), size);
48 int32_t deviceType = static_cast<int32_t>(size % DEVICE_TYPE);
49 MessageParcel dataParcel;
50 dataParcel.WriteInt32(deviceType);
51 dataParcel.WriteString(address);
52 dataParcel.RewindRead(0);
53
54 MessageParcel reply;
55 return DelayedSingleton<CallManagerService>::GetInstance()->OnSetAudioDevice(dataParcel, reply);
56 }
57
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)58 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
59 {
60 if (data == nullptr || size == 0) {
61 return;
62 }
63
64 SetAudioDevice(data, size);
65 }
66 } // namespace OHOS
67
68 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)69 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
70 {
71 OHOS::AddCallTokenFuzzer token;
72 /* Run your code on data */
73 OHOS::DoSomethingInterestingWithMyAPI(data, size);
74 return 0;
75 }
76