1 /*
2 * Copyright (c) 2024 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 "ipcsocket_fuzzer.h"
17
18 #include "singleton.h"
19
20 #include "devicestatus_define.h"
21 #include "i_tunnel_client.h"
22 #include "i_plugin.h"
23 #include "socket_client.h"
24 #include "socket_session_manager.h"
25 #include "socket_session.h"
26 #include "socket_connection.h"
27 #include "socket_params.h"
28 #include "stream_client.h"
29 #include "tunnel_client.h"
30
31 #include "message_parcel.h"
32
33 #undef LOG_TAG
34 #define LOG_TAG "IpcSocketFuzzTest"
35 namespace OHOS {
36 namespace Msdp {
37 namespace DeviceStatus {
38 const std::u16string FORMMGR_INTERFACE_TOKEN { u"ohos.msdp.Idevicestatus" };
39 inline constexpr int32_t MAX_EVENT_SIZE { 100 };
40 const uint8_t *g_baseFuzzData = nullptr;
41 size_t g_baseFuzzSize = 0;
42 size_t g_baseFuzzPos = 0;
43
44 namespace OHOS {
45
GetData()46 template <class T> T GetData()
47 {
48 T objetct{};
49 size_t objetctSize = sizeof(objetct);
50 if (g_baseFuzzData == nullptr || objetctSize > g_baseFuzzSize - g_baseFuzzPos) {
51 return objetct;
52 }
53 errno_t ret = memcpy_s(&objetct, objetctSize, g_baseFuzzData + g_baseFuzzPos, objetctSize);
54 if (ret != EOK) {
55 return {};
56 }
57 g_baseFuzzPos += objetctSize;
58 return objetct;
59 }
60
61
SocketClientFuzzTest(const uint8_t* data, size_t size)62 bool SocketClientFuzzTest(const uint8_t* data, size_t size)
63 {
64 std::shared_ptr<ITunnelClient> tunnel = std::make_shared<TunnelClient>();
65 SocketClient socketClient(tunnel);
66 auto callback = [](const StreamClient &client, NetPacket &pkt) {
67 return 0;
68 };
69
70 NetPacket packet(MessageId::INVALID);
71
72 socketClient.Start();
73 socketClient.RegisterEvent(MessageId::INVALID, callback);
74 socketClient.OnMsgHandler(socketClient, packet);
75 socketClient.Socket();
76 socketClient.OnPacket(packet);
77 socketClient.Connect();
78 socketClient.Reconnect();
79 socketClient.OnDisconnected();
80 socketClient.Stop();
81 return true;
82 }
83
SocketConnectionFuzzTest(const uint8_t* data, size_t size)84 bool SocketConnectionFuzzTest(const uint8_t* data, size_t size)
85 {
86 if ((data == nullptr) || (size < 1)) {
87 return false;
88 }
89
90 auto recv = [](const NetPacket &pkt) {
91 return;
92 };
93 auto onDisconnected = []() {
94 return;
95 };
96 g_baseFuzzData = data;
97 g_baseFuzzSize = size;
98 g_baseFuzzPos = 0;
99 int32_t fd = GetData<int32_t>();
100 SocketConnection socketConnection(1, recv, onDisconnected);
101
102 auto socket = []() {
103 return 0;
104 };
105 socketConnection.OnReadable(fd);
106 socketConnection.OnShutdown(fd);
107 socketConnection.OnException(fd);
108 Msdp::DeviceStatus::SocketConnection::Connect(socket, recv, onDisconnected);
109 return true;
110 }
111
SocketParamsFuzzTest(const uint8_t* data, size_t size)112 bool SocketParamsFuzzTest(const uint8_t* data, size_t size)
113 {
114 MessageParcel datas;
115 if (!datas.WriteInterfaceToken(FORMMGR_INTERFACE_TOKEN) ||
116 !datas.WriteBuffer(data, size) || !datas.RewindRead(0)) {
117 return false;
118 }
119 AllocSocketPairParam allocSocketPairParam("testProgramName", 1);
120 AllocSocketPairReply allocSocketPairReply(1, 1);
121
122 allocSocketPairParam.Marshalling(datas);
123 allocSocketPairParam.Unmarshalling(datas);
124 allocSocketPairReply.Marshalling(datas);
125 allocSocketPairReply.Unmarshalling(datas);
126 return true;
127 }
128
129
SocketSessionFuzzTest(const uint8_t* data, size_t size)130 bool SocketSessionFuzzTest(const uint8_t* data, size_t size)
131 {
132 NetPacket packet(MessageId::COORDINATION_ADD_LISTENER);
133 struct epoll_event ev{};
134
135 SocketSession socketSession("testProgramName", 1, 1, 1, 1, 1);
136 socketSession.SendMsg(packet);
137 socketSession.ToString();
138 socketSession.Dispatch(ev);
139 return true;
140 }
141
142 } // namespace OHOS
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)143 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
144 {
145 /* Run your code on data */
146 if (data == nullptr) {
147 return 0;
148 }
149
150 OHOS::SocketClientFuzzTest(data, size);
151 OHOS::SocketConnectionFuzzTest(data, size);
152 OHOS::SocketParamsFuzzTest(data, size);
153 OHOS::SocketSessionFuzzTest(data, size);
154 return 0;
155 }
156 } // namespace DeviceStatus
157 } // namespace Msdp
158 } // namespace OHOS