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 "networkability_fuzzer.h"
17
18 #include "accesstoken_kit.h"
19 #include "if_system_ability_manager.h"
20 #include "iservice_registry.h"
21 #include "message_option.h"
22 #include "message_parcel.h"
23 #include "nativetoken_kit.h"
24 #include "system_ability_definition.h"
25 #include "token_setproc.h"
26 #include "locator_ability.h"
27 #include "locationhub_ipc_interface_code.h"
28
29 #ifdef FEATURE_NETWORK_SUPPORT
30 #include "network_ability.h"
31 #endif
32 #include "permission_manager.h"
33 #include "work_record_statistic.h"
34
35
36 namespace OHOS {
37 using namespace OHOS::Location;
38 const int32_t MAX_MEM_SIZE = 4 * 1024 * 1024;
39 const int32_t SLEEP_TIMES = 1000;
40 const int32_t LOCATION_PERM_NUM = 4;
41
MockNativePermission()42 void MockNativePermission()
43 {
44 const char *perms[] = {
45 ACCESS_LOCATION.c_str(), ACCESS_APPROXIMATELY_LOCATION.c_str(),
46 ACCESS_BACKGROUND_LOCATION.c_str(), MANAGE_SECURE_SETTINGS.c_str(),
47 };
48 NativeTokenInfoParams infoInstance = {
49 .dcapsNum = 0,
50 .permsNum = LOCATION_PERM_NUM,
51 .aclsNum = 0,
52 .dcaps = nullptr,
53 .perms = perms,
54 .acls = nullptr,
55 .processName = "NetworkAbility_FuzzTest",
56 .aplStr = "system_basic",
57 };
58 auto tokenId = GetAccessTokenId(&infoInstance);
59 SetSelfTokenID(tokenId);
60 Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
61 }
62
ParseData(const uint8_t * data,size_t size)63 char* ParseData(const uint8_t* data, size_t size)
64 {
65 if (data == nullptr) {
66 return nullptr;
67 }
68
69 if (size > MAX_MEM_SIZE) {
70 return nullptr;
71 }
72
73 char* ch = (char *)malloc(size + 1);
74 if (ch == nullptr) {
75 return nullptr;
76 }
77
78 (void)memset_s(ch, size + 1, 0x00, size + 1);
79 if (memcpy_s(ch, size, data, size) != EOK) {
80 free(ch);
81 ch = nullptr;
82 return nullptr;
83 }
84 return ch;
85 }
86
87 #ifdef FEATURE_NETWORK_SUPPORT
NetworkAbility001FuzzTest(const char * data,size_t size)88 bool NetworkAbility001FuzzTest(const char* data, size_t size)
89 {
90 MessageParcel requestParcel;
91 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
92 requestParcel.WriteBuffer(data, size);
93 requestParcel.RewindRead(0);
94
95 MessageParcel reply;
96 MessageOption option;
97 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
98 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SEND_LOCATION_REQUEST),
99 requestParcel, reply, option);
100 WorkRecordStatistic::DestroyInstance();
101 return true;
102 }
103
NetworkAbility002FuzzTest(const char * data,size_t size)104 bool NetworkAbility002FuzzTest(const char* data, size_t size)
105 {
106 MessageParcel requestParcel;
107 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
108 requestParcel.WriteBuffer(data, size);
109 requestParcel.RewindRead(0);
110
111 MessageParcel reply;
112 MessageOption option;
113 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
114 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SET_MOCKED_LOCATIONS),
115 requestParcel, reply, option);
116 WorkRecordStatistic::DestroyInstance();
117 return true;
118 }
119
NetworkAbility003FuzzTest(const char * data,size_t size)120 bool NetworkAbility003FuzzTest(const char* data, size_t size)
121 {
122 MessageParcel requestParcel;
123 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
124 requestParcel.WriteBuffer(data, size);
125 requestParcel.RewindRead(0);
126
127 MessageParcel reply;
128 MessageOption option;
129 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
130 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SELF_REQUEST),
131 requestParcel, reply, option);
132 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
133 WorkRecordStatistic::DestroyInstance();
134 return true;
135 }
136
NetworkAbility004FuzzTest(const char * data,size_t size)137 bool NetworkAbility004FuzzTest(const char* data, size_t size)
138 {
139 MessageParcel requestParcel;
140 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
141 requestParcel.WriteBuffer(data, size);
142 requestParcel.RewindRead(0);
143
144 MessageParcel reply;
145 MessageOption option;
146 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
147 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SET_ENABLE),
148 requestParcel, reply, option);
149 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
150 WorkRecordStatistic::DestroyInstance();
151 return true;
152 }
153
NetworkAbility005FuzzTest(const char * data,size_t size)154 bool NetworkAbility005FuzzTest(const char* data, size_t size)
155 {
156 MessageParcel requestParcel;
157 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
158 requestParcel.WriteBuffer(data, size);
159 requestParcel.RewindRead(0);
160
161 MessageParcel reply;
162 MessageOption option;
163 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
164 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::ENABLE_LOCATION_MOCK),
165 requestParcel, reply, option);
166 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
167 WorkRecordStatistic::DestroyInstance();
168 return true;
169 }
170
NetworkAbility006FuzzTest(const char * data,size_t size)171 bool NetworkAbility006FuzzTest(const char* data, size_t size)
172 {
173 MessageParcel requestParcel;
174 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
175 requestParcel.WriteBuffer(data, size);
176 requestParcel.RewindRead(0);
177
178 MessageParcel reply;
179 MessageOption option;
180 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
181 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::DISABLE_LOCATION_MOCK),
182 requestParcel, reply, option);
183 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
184 WorkRecordStatistic::DestroyInstance();
185 return true;
186 }
187 #endif
188 } // namespace OHOS
189
190 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)191 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
192 {
193 OHOS::MockNativePermission();
194 char* ch = OHOS::ParseData(data, size);
195 if (ch != nullptr) {
196 #ifdef FEATURE_NETWORK_SUPPORT
197 OHOS::NetworkAbility001FuzzTest(ch, size);
198 OHOS::NetworkAbility002FuzzTest(ch, size);
199 OHOS::NetworkAbility003FuzzTest(ch, size);
200 OHOS::NetworkAbility004FuzzTest(ch, size);
201 OHOS::NetworkAbility005FuzzTest(ch, size);
202 OHOS::NetworkAbility006FuzzTest(ch, size);
203 #endif
204 free(ch);
205 ch = nullptr;
206 }
207 return 0;
208 }
209
210