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 "startdtmf_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 CALL_ID_NUM = 10;
27
StartDtmf(const uint8_t * data,size_t size)28 void StartDtmf(const uint8_t *data, size_t size)
29 {
30 if (!IsServiceInited()) {
31 return;
32 }
33
34 int32_t callId = size % CALL_ID_NUM;
35 char str = *reinterpret_cast<const char *>(data);
36 MessageParcel messageParcel;
37 messageParcel.WriteInt32(callId);
38 messageParcel.WriteInt8(str);
39 messageParcel.RewindRead(0);
40 MessageParcel reply;
41 DelayedSingleton<CallManagerService>::GetInstance()->OnStartDtmf(messageParcel, reply);
42 }
43
StopRtt(const uint8_t * data,size_t size)44 void StopRtt(const uint8_t *data, size_t size)
45 {
46 if (!IsServiceInited()) {
47 return;
48 }
49
50 int32_t callId = *data % CALL_ID_NUM;
51 MessageParcel messageParcel;
52 messageParcel.WriteInt32(callId);
53 messageParcel.RewindRead(0);
54 MessageParcel reply;
55 DelayedSingleton<CallManagerService>::GetInstance()->OnStopRtt(messageParcel, reply);
56 }
57
SetMuted(const uint8_t * data,size_t size)58 void SetMuted(const uint8_t *data, size_t size)
59 {
60 if (!IsServiceInited()) {
61 return;
62 }
63
64 bool isMute = false;
65 MessageParcel messageParcel;
66 messageParcel.WriteBool(isMute);
67 messageParcel.WriteBuffer(data, size);
68 messageParcel.RewindRead(0);
69 MessageParcel reply;
70 DelayedSingleton<CallManagerService>::GetInstance()->OnSetMute(messageParcel, reply);
71 }
72
MuteRinger(const uint8_t * data,size_t size)73 void MuteRinger(const uint8_t *data, size_t size)
74 {
75 if (!IsServiceInited()) {
76 return;
77 }
78
79 MessageParcel messageParcel;
80 messageParcel.WriteBuffer(data, size);
81 messageParcel.RewindRead(0);
82 MessageParcel reply;
83 DelayedSingleton<CallManagerService>::GetInstance()->OnSetMute(messageParcel, reply);
84 }
85
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)86 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
87 {
88 if (data == nullptr || size == 0) {
89 return;
90 }
91
92 StartDtmf(data, size);
93 StopRtt(data, size);
94 SetMuted(data, size);
95 MuteRinger(data, size);
96 }
97 } // namespace OHOS
98
99 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)100 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
101 {
102 OHOS::AddCallTokenFuzzer token;
103 /* Run your code on data */
104 OHOS::DoSomethingInterestingWithMyAPI(data, size);
105 return 0;
106 }
107