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 "passiveability_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_PASSIVE_SUPPORT
30 #include "passive_ability.h"
31 #endif
32 #include "permission_manager.h"
33
34 namespace OHOS {
35 using namespace OHOS::Location;
36 const int32_t MAX_MEM_SIZE = 4 * 1024 * 1024;
37 const int32_t SLEEP_TIMES = 1000;
38 const int32_t LOCATION_PERM_NUM = 4;
39
MockNativePermission()40 void MockNativePermission()
41 {
42 const char *perms[] = {
43 ACCESS_LOCATION.c_str(), ACCESS_APPROXIMATELY_LOCATION.c_str(),
44 ACCESS_BACKGROUND_LOCATION.c_str(), MANAGE_SECURE_SETTINGS.c_str(),
45 };
46 NativeTokenInfoParams infoInstance = {
47 .dcapsNum = 0,
48 .permsNum = LOCATION_PERM_NUM,
49 .aclsNum = 0,
50 .dcaps = nullptr,
51 .perms = perms,
52 .acls = nullptr,
53 .processName = "GnssAbility_FuzzTest",
54 .aplStr = "system_basic",
55 };
56 auto tokenId = GetAccessTokenId(&infoInstance);
57 SetSelfTokenID(tokenId);
58 Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
59 LocatorAbility::GetInstance()->EnableAbility(true);
60 }
61
ParseData(const uint8_t * data,size_t size)62 char* ParseData(const uint8_t* data, size_t size)
63 {
64 if (data == nullptr) {
65 return nullptr;
66 }
67
68 if (size > MAX_MEM_SIZE) {
69 return nullptr;
70 }
71
72 char* ch = (char *)malloc(size + 1);
73 if (ch == nullptr) {
74 return nullptr;
75 }
76
77 (void)memset_s(ch, size + 1, 0x00, size + 1);
78 if (memcpy_s(ch, size, data, size) != EOK) {
79 free(ch);
80 ch = nullptr;
81 return nullptr;
82 }
83 return ch;
84 }
85
86 #ifdef FEATURE_PASSIVE_SUPPORT
PassiveAbility001FuzzTest(const char * data,size_t size)87 bool PassiveAbility001FuzzTest(const char* data, size_t size)
88 {
89 MessageParcel requestParcel;
90 requestParcel.WriteInterfaceToken(u"location.IPassiveAbility");
91 requestParcel.WriteBuffer(data, size);
92 requestParcel.RewindRead(0);
93
94 MessageParcel reply;
95 MessageOption option;
96
97 auto ability = sptr<PassiveAbility>(new (std::nothrow) PassiveAbility());
98 ability->OnRemoteRequest(static_cast<uint32_t>(PassiveInterfaceCode::SEND_LOCATION_REQUEST),
99 requestParcel, reply, option);
100 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
101 return true;
102 }
103
PassiveAbility002FuzzTest(const char * data,size_t size)104 bool PassiveAbility002FuzzTest(const char* data, size_t size)
105 {
106 MessageParcel requestParcel;
107 requestParcel.WriteInterfaceToken(u"location.IPassiveAbility");
108 requestParcel.WriteBuffer(data, size);
109 requestParcel.RewindRead(0);
110
111 MessageParcel reply;
112 MessageOption option;
113
114 auto ability = sptr<PassiveAbility>(new (std::nothrow) PassiveAbility());
115 ability->OnRemoteRequest(static_cast<uint32_t>(PassiveInterfaceCode::SET_ENABLE),
116 requestParcel, reply, option);
117 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
118 return true;
119 }
120
PassiveAbility003FuzzTest(const char * data,size_t size)121 bool PassiveAbility003FuzzTest(const char* data, size_t size)
122 {
123 MessageParcel requestParcel;
124 requestParcel.WriteInterfaceToken(u"location.IPassiveAbility");
125 requestParcel.WriteBuffer(data, size);
126 requestParcel.RewindRead(0);
127
128 MessageParcel reply;
129 MessageOption option;
130
131 auto ability = sptr<PassiveAbility>(new (std::nothrow) PassiveAbility());
132 ability->OnRemoteRequest(static_cast<uint32_t>(PassiveInterfaceCode::ENABLE_LOCATION_MOCK),
133 requestParcel, reply, option);
134 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
135 return true;
136 }
137
PassiveAbility004FuzzTest(const char * data,size_t size)138 bool PassiveAbility004FuzzTest(const char* data, size_t size)
139 {
140 MessageParcel requestParcel;
141 requestParcel.WriteInterfaceToken(u"location.IPassiveAbility");
142 requestParcel.WriteBuffer(data, size);
143 requestParcel.RewindRead(0);
144
145 MessageParcel reply;
146 MessageOption option;
147
148 auto ability = sptr<PassiveAbility>(new (std::nothrow) PassiveAbility());
149 ability->OnRemoteRequest(static_cast<uint32_t>(PassiveInterfaceCode::DISABLE_LOCATION_MOCK),
150 requestParcel, reply, option);
151 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
152 return true;
153 }
154
PassiveAbility005FuzzTest(const char * data,size_t size)155 bool PassiveAbility005FuzzTest(const char* data, size_t size)
156 {
157 MessageParcel requestParcel;
158 requestParcel.WriteInterfaceToken(u"location.IPassiveAbility");
159 requestParcel.WriteBuffer(data, size);
160 requestParcel.RewindRead(0);
161
162 MessageParcel reply;
163 MessageOption option;
164
165 auto ability = sptr<PassiveAbility>(new (std::nothrow) PassiveAbility());
166 ability->OnRemoteRequest(static_cast<uint32_t>(PassiveInterfaceCode::SET_MOCKED_LOCATIONS),
167 requestParcel, reply, option);
168 std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIMES));
169 return true;
170 }
171 #endif
172 } // namespace OHOS
173
174 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)175 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
176 {
177 OHOS::MockNativePermission();
178 char* ch = OHOS::ParseData(data, size);
179 if (ch != nullptr) {
180 #ifdef FEATURE_PASSIVE_SUPPORT
181 OHOS::PassiveAbility001FuzzTest(ch, size);
182 OHOS::PassiveAbility002FuzzTest(ch, size);
183 OHOS::PassiveAbility003FuzzTest(ch, size);
184 OHOS::PassiveAbility004FuzzTest(ch, size);
185 OHOS::PassiveAbility005FuzzTest(ch, size);
186 #endif
187 free(ch);
188 ch = nullptr;
189 }
190 return 0;
191 }
192
193