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 LocatorAbility::GetInstance()->EnableAbility(true);
62 }
63
ParseData(const uint8_t* data, size_t size)64 char* ParseData(const uint8_t* data, size_t size)
65 {
66 if (data == nullptr) {
67 return nullptr;
68 }
69
70 if (size > MAX_MEM_SIZE) {
71 return nullptr;
72 }
73
74 char* ch = (char *)malloc(size + 1);
75 if (ch == nullptr) {
76 return nullptr;
77 }
78
79 (void)memset_s(ch, size + 1, 0x00, size + 1);
80 if (memcpy_s(ch, size, data, size) != EOK) {
81 free(ch);
82 ch = nullptr;
83 return nullptr;
84 }
85 return ch;
86 }
87
88 #ifdef FEATURE_NETWORK_SUPPORT
NetworkAbility001FuzzTest(const char* data, size_t size)89 bool NetworkAbility001FuzzTest(const char* data, size_t size)
90 {
91 MessageParcel requestParcel;
92 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
93 requestParcel.WriteBuffer(data, size);
94 requestParcel.RewindRead(0);
95
96 MessageParcel reply;
97 MessageOption option;
98 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
99 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SEND_LOCATION_REQUEST),
100 requestParcel, reply, option);
101 WorkRecordStatistic::DestroyInstance();
102 return true;
103 }
104
NetworkAbility002FuzzTest(const char* data, size_t size)105 bool NetworkAbility002FuzzTest(const char* data, size_t size)
106 {
107 MessageParcel requestParcel;
108 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
109 requestParcel.WriteBuffer(data, size);
110 requestParcel.RewindRead(0);
111
112 MessageParcel reply;
113 MessageOption option;
114 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
115 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SET_MOCKED_LOCATIONS),
116 requestParcel, reply, option);
117 WorkRecordStatistic::DestroyInstance();
118 return true;
119 }
120
NetworkAbility003FuzzTest(const char* data, size_t size)121 bool NetworkAbility003FuzzTest(const char* data, size_t size)
122 {
123 MessageParcel requestParcel;
124 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
125 requestParcel.WriteBuffer(data, size);
126 requestParcel.RewindRead(0);
127
128 MessageParcel reply;
129 MessageOption option;
130 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
131 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SELF_REQUEST),
132 requestParcel, reply, option);
133 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
134 WorkRecordStatistic::DestroyInstance();
135 return true;
136 }
137
NetworkAbility004FuzzTest(const char* data, size_t size)138 bool NetworkAbility004FuzzTest(const char* data, size_t size)
139 {
140 MessageParcel requestParcel;
141 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
142 requestParcel.WriteBuffer(data, size);
143 requestParcel.RewindRead(0);
144
145 MessageParcel reply;
146 MessageOption option;
147 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
148 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::SET_ENABLE),
149 requestParcel, reply, option);
150 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
151 WorkRecordStatistic::DestroyInstance();
152 return true;
153 }
154
NetworkAbility005FuzzTest(const char* data, size_t size)155 bool NetworkAbility005FuzzTest(const char* data, size_t size)
156 {
157 MessageParcel requestParcel;
158 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
159 requestParcel.WriteBuffer(data, size);
160 requestParcel.RewindRead(0);
161
162 MessageParcel reply;
163 MessageOption option;
164 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
165 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::ENABLE_LOCATION_MOCK),
166 requestParcel, reply, option);
167 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
168 WorkRecordStatistic::DestroyInstance();
169 return true;
170 }
171
NetworkAbility006FuzzTest(const char* data, size_t size)172 bool NetworkAbility006FuzzTest(const char* data, size_t size)
173 {
174 MessageParcel requestParcel;
175 requestParcel.WriteInterfaceToken(u"location.INetworkAbility");
176 requestParcel.WriteBuffer(data, size);
177 requestParcel.RewindRead(0);
178
179 MessageParcel reply;
180 MessageOption option;
181 auto ability = sptr<NetworkAbility>(new (std::nothrow) NetworkAbility());
182 ability->OnRemoteRequest(static_cast<uint32_t>(NetworkInterfaceCode::DISABLE_LOCATION_MOCK),
183 requestParcel, reply, option);
184 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
185 WorkRecordStatistic::DestroyInstance();
186 return true;
187 }
188 #endif
189 } // namespace OHOS
190
191 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)192 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
193 {
194 OHOS::MockNativePermission();
195 char* ch = OHOS::ParseData(data, size);
196 if (ch != nullptr) {
197 #ifdef FEATURE_NETWORK_SUPPORT
198 OHOS::NetworkAbility001FuzzTest(ch, size);
199 OHOS::NetworkAbility002FuzzTest(ch, size);
200 OHOS::NetworkAbility003FuzzTest(ch, size);
201 OHOS::NetworkAbility004FuzzTest(ch, size);
202 OHOS::NetworkAbility005FuzzTest(ch, size);
203 OHOS::NetworkAbility006FuzzTest(ch, size);
204 #endif
205 free(ch);
206 ch = nullptr;
207 }
208 return 0;
209 }
210
211