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 "socket_fuzzer.h"
17 #include <memory>
18 #include <string>
19 #include <securec.h>
20 #include "socket.h"
21
22 namespace OHOS {
23 static std::string DEFAULT_SOCKET_NAME = "com.communication.fuzz.socketName";
24 static std::string DEFAULT_SOCKET_PEER_NAME = "com.communication.fuzz.peerName";
25 static std::string DEFAULT_SOCKET_PEER_NETWORKID =
26 "a8ynvpdaihw1f6nknjd2hkfhxljxypkr6kvjsbhnhpp16974uo4fvsrpfa6t50fm";
27 static std::string DEFAULT_SOCKET_PKG_NAME = "com.communication.fuzz.pkgName";
28
SocketTestWithName(const uint8_t * data,size_t size)29 void SocketTestWithName(const uint8_t *data, size_t size)
30 {
31 if ((data == nullptr) || (size == 0)) {
32 return;
33 }
34
35 const size_t bufSize = size + 1;
36 std::unique_ptr<char[]> socketName = std::make_unique<char[]>(bufSize);
37 if (memset_s(socketName.get(), bufSize, 0, bufSize) != EOK) {
38 return;
39 }
40
41 if (memcpy_s(socketName.get(), bufSize, data, size) != EOK) {
42 return;
43 }
44
45 SocketInfo info = {
46 .name = socketName.get(),
47 .peerName = const_cast<char *>(DEFAULT_SOCKET_PEER_NAME.c_str()),
48 .peerNetworkId = const_cast<char *>(DEFAULT_SOCKET_PEER_NETWORKID.c_str()),
49 .pkgName = const_cast<char *>(DEFAULT_SOCKET_PKG_NAME.c_str()),
50 .dataType = DATA_TYPE_MESSAGE,
51 };
52
53 (void)Socket(info);
54 }
55
SocketTestWithPeerName(const uint8_t * data,size_t size)56 void SocketTestWithPeerName(const uint8_t *data, size_t size)
57 {
58 if ((data == nullptr) || (size == 0)) {
59 return;
60 }
61
62 const size_t bufSize = size + 1;
63 std::unique_ptr<char[]> socketPeerName = std::make_unique<char[]>(bufSize);
64 if (memset_s(socketPeerName.get(), bufSize, 0, bufSize) != EOK) {
65 return;
66 }
67
68 if (memcpy_s(socketPeerName.get(), bufSize, data, size) != EOK) {
69 return;
70 }
71
72 SocketInfo info = {
73 .name = const_cast<char *>(DEFAULT_SOCKET_NAME.c_str()),
74 .peerName = socketPeerName.get(),
75 .peerNetworkId = const_cast<char *>(DEFAULT_SOCKET_PEER_NETWORKID.c_str()),
76 .pkgName = const_cast<char *>(DEFAULT_SOCKET_PKG_NAME.c_str()),
77 .dataType = DATA_TYPE_MESSAGE,
78 };
79
80 (void)Socket(info);
81 }
82
SocketTestWithNetworkId(const uint8_t * data,size_t size)83 void SocketTestWithNetworkId(const uint8_t *data, size_t size)
84 {
85 if ((data == nullptr) || (size == 0)) {
86 return;
87 }
88
89 const size_t bufSize = size + 1;
90 std::unique_ptr<char[]> socketNetworkId = std::make_unique<char[]>(bufSize);
91 if (memset_s(socketNetworkId.get(), bufSize, 0, bufSize) != EOK) {
92 return;
93 }
94
95 if (memcpy_s(socketNetworkId.get(), bufSize, data, size) != EOK) {
96 return;
97 }
98
99 SocketInfo info = {
100 .name = const_cast<char *>(DEFAULT_SOCKET_NAME.c_str()),
101 .peerName = const_cast<char *>(DEFAULT_SOCKET_PEER_NAME.c_str()),
102 .peerNetworkId = socketNetworkId.get(),
103 .pkgName = const_cast<char *>(DEFAULT_SOCKET_PKG_NAME.c_str()),
104 .dataType = DATA_TYPE_MESSAGE,
105 };
106
107 (void)Socket(info);
108 }
109
SocketTestWithPkgName(const uint8_t * data,size_t size)110 void SocketTestWithPkgName(const uint8_t *data, size_t size)
111 {
112 if ((data == nullptr) || (size == 0)) {
113 return;
114 }
115
116 const size_t bufSize = size + 1;
117 std::unique_ptr<char[]> socketPkgName = std::make_unique<char[]>(bufSize);
118 if (memset_s(socketPkgName.get(), bufSize, 0, bufSize) != EOK) {
119 return;
120 }
121
122 if (memcpy_s(socketPkgName.get(), bufSize, data, size) != EOK) {
123 return;
124 }
125
126 SocketInfo info = {
127 .name = const_cast<char *>(DEFAULT_SOCKET_NAME.c_str()),
128 .peerName = const_cast<char *>(DEFAULT_SOCKET_PEER_NAME.c_str()),
129 .peerNetworkId = const_cast<char *>(DEFAULT_SOCKET_PKG_NAME.c_str()),
130 .pkgName = socketPkgName.get(),
131 .dataType = DATA_TYPE_MESSAGE,
132 };
133
134 (void)Socket(info);
135 }
136
SocketTestWithDataType(const uint8_t * data,size_t size)137 void SocketTestWithDataType(const uint8_t *data, size_t size)
138 {
139 if ((data == nullptr) || (size < sizeof(TransDataType))) {
140 return;
141 }
142
143 TransDataType socketDataType = DATA_TYPE_BUTT;
144 if (memcpy_s(&socketDataType, sizeof(TransDataType), data, sizeof(TransDataType)) != EOK) {
145 return;
146 }
147
148 SocketInfo info = {
149 .name = const_cast<char *>(DEFAULT_SOCKET_NAME.c_str()),
150 .peerName = const_cast<char *>(DEFAULT_SOCKET_PEER_NAME.c_str()),
151 .peerNetworkId = const_cast<char *>(DEFAULT_SOCKET_PKG_NAME.c_str()),
152 .pkgName = const_cast<char *>(DEFAULT_SOCKET_PKG_NAME.c_str()),
153 .dataType = socketDataType,
154 };
155
156 (void)Socket(info);
157 }
158 } // namespace OHOS
159
160 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)161 extern "C" int32_t LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
162 {
163 OHOS::SocketTestWithName(data, size);
164 OHOS::SocketTestWithPeerName(data, size);
165 OHOS::SocketTestWithNetworkId(data, size);
166 OHOS::SocketTestWithPkgName(data, size);
167 OHOS::SocketTestWithDataType(data, size);
168 return 0;
169 }
170