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 "controlcamera_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
IsServiceInited()29 bool IsServiceInited()
30 {
31 if (!g_isInited) {
32 DelayedSingleton<CallManagerService>::GetInstance()->OnStart();
33 if (DelayedSingleton<CallManagerService>::GetInstance()->GetServiceRunningState() ==
34 static_cast<int32_t>(CallManagerService::ServiceRunningState::STATE_RUNNING)) {
35 g_isInited = true;
36 }
37 }
38 return g_isInited;
39 }
40
ControlCamera(const uint8_t * data,size_t size)41 int32_t ControlCamera(const uint8_t *data, size_t size)
42 {
43 if (!IsServiceInited()) {
44 return TELEPHONY_ERROR;
45 }
46 std::string cameraId(reinterpret_cast<const char *>(data), size);
47 auto cameraIdU16 = Str8ToStr16(cameraId);
48 MessageParcel dataParcel;
49 dataParcel.WriteString16(cameraIdU16);
50 dataParcel.RewindRead(0);
51 MessageParcel reply;
52 return DelayedSingleton<CallManagerService>::GetInstance()->OnControlCamera(dataParcel, reply);
53 }
54
SetPreviewWindow(const uint8_t * data,size_t size)55 int32_t SetPreviewWindow(const uint8_t *data, size_t size)
56 {
57 if (!IsServiceInited()) {
58 return TELEPHONY_ERROR;
59 }
60 VideoWindow window;
61 window.x = static_cast<int32_t>(size);
62 window.y = static_cast<int32_t>(size);
63 window.z = static_cast<int32_t>(size);
64 window.width = static_cast<int32_t>(size);
65 window.height = static_cast<int32_t>(size);
66 return DelayedSingleton<CallManagerService>::GetInstance()->SetPreviewWindow(window);
67 }
68
SetDisplayWindow(const uint8_t * data,size_t size)69 int32_t SetDisplayWindow(const uint8_t *data, size_t size)
70 {
71 if (!IsServiceInited()) {
72 return TELEPHONY_ERROR;
73 }
74 VideoWindow window;
75 window.x = static_cast<int32_t>(size);
76 window.y = static_cast<int32_t>(size);
77 window.z = static_cast<int32_t>(size);
78 window.width = static_cast<int32_t>(size);
79 window.height = static_cast<int32_t>(size);
80 return DelayedSingleton<CallManagerService>::GetInstance()->SetDisplayWindow(window);
81 }
82
SetCameraZoom(const uint8_t * data,size_t size)83 int32_t SetCameraZoom(const uint8_t *data, size_t size)
84 {
85 if (!IsServiceInited()) {
86 return TELEPHONY_ERROR;
87 }
88 float zoomRatio = static_cast<float>(size);
89 MessageParcel dataParcel;
90 dataParcel.WriteFloat(zoomRatio);
91 size_t dataSize = size - sizeof(float);
92 dataParcel.WriteBuffer(data + sizeof(float), dataSize);
93 dataParcel.RewindRead(0);
94 MessageParcel reply;
95 return DelayedSingleton<CallManagerService>::GetInstance()->OnSetCameraZoom(dataParcel, reply);
96 }
97
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)98 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
99 {
100 if (data == nullptr || size == 0) {
101 return;
102 }
103
104 ControlCamera(data, size);
105 SetPreviewWindow(data, size);
106 SetDisplayWindow(data, size);
107 SetCameraZoom(data, size);
108 }
109 } // namespace OHOS
110
111 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)112 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
113 {
114 OHOS::AddCallTokenFuzzer token;
115 /* Run your code on data */
116 OHOS::DoSomethingInterestingWithMyAPI(data, size);
117 return 0;
118 }
119