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 "tel_event_handler.h"
28 #include "unistd.h"
29 #include "tel_ril_manager.h"
30
31 using namespace OHOS::Telephony;
32 namespace OHOS {
33 static bool g_isInited = false;
34 constexpr int32_t SLOT_NUM = 2;
35
IsServiceInited()36 bool IsServiceInited()
37 {
38 if (!g_isInited) {
39 DelayedSingleton<CoreService>::GetInstance()->OnStart();
40 if (DelayedSingleton<CoreService>::GetInstance()->GetServiceRunningState() ==
41 static_cast<int32_t>(ServiceRunningState::STATE_RUNNING)) {
42 g_isInited = true;
43 }
44 }
45 return g_isInited;
46 }
47
GetNetworkState(const uint8_t * data,size_t size)48 void GetNetworkState(const uint8_t *data, size_t size)
49 {
50 if (!IsServiceInited()) {
51 return;
52 }
53
54 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
55 MessageParcel dataMessageParcel;
56 dataMessageParcel.WriteInt32(slotId);
57 dataMessageParcel.WriteBuffer(data, size);
58 dataMessageParcel.RewindRead(0);
59 MessageParcel reply;
60 DelayedSingleton<CoreService>::GetInstance()->OnGetNetworkState(dataMessageParcel, reply);
61 }
62
GetImei(const uint8_t * data,size_t size)63 void GetImei(const uint8_t *data, size_t size)
64 {
65 if (!IsServiceInited()) {
66 return;
67 }
68
69 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
70 MessageParcel dataMessageParcel;
71 dataMessageParcel.WriteInt32(slotId);
72 dataMessageParcel.WriteBuffer(data, size);
73 dataMessageParcel.RewindRead(0);
74 MessageParcel reply;
75 DelayedSingleton<CoreService>::GetInstance()->OnGetImei(dataMessageParcel, reply);
76 }
77
GetImeiSv(const uint8_t * data,size_t size)78 void GetImeiSv(const uint8_t *data, size_t size)
79 {
80 if (!IsServiceInited()) {
81 return;
82 }
83
84 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
85 MessageParcel dataMessageParcel;
86 dataMessageParcel.WriteInt32(slotId);
87 dataMessageParcel.WriteBuffer(data, size);
88 dataMessageParcel.RewindRead(0);
89 MessageParcel reply;
90 DelayedSingleton<CoreService>::GetInstance()->OnGetImeiSv(dataMessageParcel, reply);
91 }
92
GetSimOperatorNumeric(const uint8_t * data,size_t size)93 void GetSimOperatorNumeric(const uint8_t *data, size_t size)
94 {
95 if (!IsServiceInited()) {
96 return;
97 }
98
99 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
100 MessageParcel dataMessageParcel;
101 dataMessageParcel.WriteInt32(slotId);
102 dataMessageParcel.WriteBuffer(data, size);
103 dataMessageParcel.RewindRead(0);
104 MessageParcel reply;
105 DelayedSingleton<CoreService>::GetInstance()->OnGetSimOperatorNumeric(dataMessageParcel, reply);
106 }
107
GetISOCountryCodeForSim(const uint8_t * data,size_t size)108 void GetISOCountryCodeForSim(const uint8_t *data, size_t size)
109 {
110 if (!IsServiceInited()) {
111 return;
112 }
113
114 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
115 MessageParcel dataMessageParcel;
116 dataMessageParcel.WriteInt32(slotId);
117 dataMessageParcel.WriteBuffer(data, size);
118 dataMessageParcel.RewindRead(0);
119 MessageParcel reply;
120 DelayedSingleton<CoreService>::GetInstance()->OnGetISOCountryCodeForSim(dataMessageParcel, reply);
121 }
122
SendTerminalResponseCmd(const uint8_t * data,size_t size)123 void SendTerminalResponseCmd(const uint8_t *data, size_t size)
124 {
125 if (!IsServiceInited()) {
126 return;
127 }
128
129 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
130 std::string cmd(reinterpret_cast<const char *>(data), size);
131 MessageParcel dataMessageParcel;
132 dataMessageParcel.WriteInt32(slotId);
133 dataMessageParcel.WriteString(cmd);
134 dataMessageParcel.RewindRead(0);
135 MessageParcel reply;
136 DelayedSingleton<CoreService>::GetInstance()->OnSendTerminalResponseCmd(dataMessageParcel, reply);
137 }
138
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)139 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
140 {
141 if (data == nullptr || size == 0) {
142 return;
143 }
144
145 GetNetworkState(data, size);
146 GetImei(data, size);
147 GetImeiSv(data, size);
148 GetNetworkState(data, size);
149 GetISOCountryCodeForSim(data, size);
150 SendTerminalResponseCmd(data, size);
151 auto telRilManager = std::static_pointer_cast<TelRilManager>(
152 DelayedSingleton<CoreService>::GetInstance()->telRilManager_);
153 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
154 return;
155 }
156 telRilManager->handler_->ClearFfrt(false);
157 telRilManager->handler_->queue_ = nullptr;
158 return;
159 }
160 } // namespace OHOS
161
162 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)163 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
164 {
165 OHOS::AddCoreServiceTokenFuzzer token;
166 return 0;
167 }
168
169 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)170 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
171 {
172 /* Run your code on data */
173 OHOS::DoSomethingInterestingWithMyAPI(data, size);
174 OHOS::DelayedSingleton<CoreService>::DestroyInstance();
175 return 0;
176 }
177