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 "sendterminalresponsecmd_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <thread>
21
22 #define private public
23 #include "addcoreservicetoken_fuzzer.h"
24 #include "core_service.h"
25 #include "napi_util.h"
26 #include "system_ability_definition.h"
27 #include "unistd.h"
28
29 using namespace OHOS::Telephony;
30 namespace OHOS {
31 static bool g_isInited = false;
32 constexpr int32_t SLOT_NUM = 2;
33 constexpr int32_t SLEEP_TIME_SECONDS = 10;
34
IsServiceInited()35 bool IsServiceInited()
36 {
37 if (!g_isInited) {
38 auto onStart = [] { DelayedSingleton<CoreService>::GetInstance()->OnStart(); };
39 std::thread startThread(onStart);
40 startThread.join();
41
42 sleep(SLEEP_TIME_SECONDS);
43 if (DelayedSingleton<CoreService>::GetInstance()->GetServiceRunningState() ==
44 static_cast<int32_t>(ServiceRunningState::STATE_RUNNING)) {
45 g_isInited = true;
46 }
47 }
48 return g_isInited;
49 }
50
OnRemoteRequest(const uint8_t * data,size_t size)51 void OnRemoteRequest(const uint8_t *data, size_t size)
52 {
53 if (!IsServiceInited()) {
54 return;
55 }
56
57 MessageParcel dataMessageParcel;
58 if (!dataMessageParcel.WriteInterfaceToken(CoreServiceStub::GetDescriptor())) {
59 return;
60 }
61 size_t dataSize = size - sizeof(uint32_t);
62 dataMessageParcel.WriteBuffer(data + sizeof(uint32_t), dataSize);
63 dataMessageParcel.RewindRead(0);
64 uint32_t code = static_cast<uint32_t>(size);
65 MessageParcel reply;
66 MessageOption option;
67 DelayedSingleton<CoreService>::GetInstance()->OnRemoteRequest(code, dataMessageParcel, reply, option);
68 }
69
GetNetworkState(const uint8_t * data,size_t size)70 void GetNetworkState(const uint8_t *data, size_t size)
71 {
72 if (!IsServiceInited()) {
73 return;
74 }
75
76 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
77 MessageParcel dataMessageParcel;
78 dataMessageParcel.WriteInt32(slotId);
79 size_t dataSize = size - sizeof(int32_t);
80 dataMessageParcel.WriteBuffer(data + sizeof(int32_t), dataSize);
81 dataMessageParcel.RewindRead(0);
82 MessageParcel reply;
83 DelayedSingleton<CoreService>::GetInstance()->OnGetNetworkState(dataMessageParcel, reply);
84 }
85
GetImei(const uint8_t * data,size_t size)86 void GetImei(const uint8_t *data, size_t size)
87 {
88 if (!IsServiceInited()) {
89 return;
90 }
91
92 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
93 MessageParcel dataMessageParcel;
94 dataMessageParcel.WriteInt32(slotId);
95 size_t dataSize = size - sizeof(int32_t);
96 dataMessageParcel.WriteBuffer(data + sizeof(int32_t), dataSize);
97 dataMessageParcel.RewindRead(0);
98 MessageParcel reply;
99 DelayedSingleton<CoreService>::GetInstance()->OnGetImei(dataMessageParcel, reply);
100 }
101
GetSimOperatorNumeric(const uint8_t * data,size_t size)102 void GetSimOperatorNumeric(const uint8_t *data, size_t size)
103 {
104 if (!IsServiceInited()) {
105 return;
106 }
107
108 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
109 MessageParcel dataMessageParcel;
110 dataMessageParcel.WriteInt32(slotId);
111 size_t dataSize = size - sizeof(int32_t);
112 dataMessageParcel.WriteBuffer(data + sizeof(int32_t), dataSize);
113 dataMessageParcel.RewindRead(0);
114 MessageParcel reply;
115 DelayedSingleton<CoreService>::GetInstance()->OnGetSimOperatorNumeric(dataMessageParcel, reply);
116 }
117
GetISOCountryCodeForSim(const uint8_t * data,size_t size)118 void GetISOCountryCodeForSim(const uint8_t *data, size_t size)
119 {
120 if (!IsServiceInited()) {
121 return;
122 }
123
124 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
125 MessageParcel dataMessageParcel;
126 dataMessageParcel.WriteInt32(slotId);
127 size_t dataSize = size - sizeof(int32_t);
128 dataMessageParcel.WriteBuffer(data + sizeof(int32_t), dataSize);
129 dataMessageParcel.RewindRead(0);
130 MessageParcel reply;
131 DelayedSingleton<CoreService>::GetInstance()->OnGetISOCountryCodeForSim(dataMessageParcel, reply);
132 }
133
SendTerminalResponseCmd(const uint8_t * data,size_t size)134 void SendTerminalResponseCmd(const uint8_t *data, size_t size)
135 {
136 if (!IsServiceInited()) {
137 return;
138 }
139
140 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
141 std::string cmd(reinterpret_cast<const char *>(data), size);
142 MessageParcel dataMessageParcel;
143 dataMessageParcel.WriteInt32(slotId);
144 dataMessageParcel.WriteString(cmd);
145 dataMessageParcel.RewindRead(0);
146 MessageParcel reply;
147 DelayedSingleton<CoreService>::GetInstance()->OnSendTerminalResponseCmd(dataMessageParcel, reply);
148 }
149
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)150 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
151 {
152 if (data == nullptr || size == 0) {
153 return;
154 }
155
156 OnRemoteRequest(data, size);
157 GetNetworkState(data, size);
158 GetImei(data, size);
159 GetNetworkState(data, size);
160 GetISOCountryCodeForSim(data, size);
161 SendTerminalResponseCmd(data, size);
162 return;
163 }
164 } // namespace OHOS
165
166 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)167 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
168 {
169 OHOS::AddCoreServiceTokenFuzzer token;
170 /* Run your code on data */
171 OHOS::DoSomethingInterestingWithMyAPI(data, size);
172 return 0;
173 }
174