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 "getsimeons_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 "core_service_stub.h"
26 #include "napi_util.h"
27 #include "system_ability_definition.h"
28 #include "tel_event_handler.h"
29 #include "unistd.h"
30
31 using namespace OHOS::Telephony;
32 namespace OHOS {
33 static bool g_isInited = false;
34 constexpr int32_t SLOT_NUM = 2;
35 constexpr int32_t CHOICE_NUM = 2;
36
IsServiceInited()37 bool IsServiceInited()
38 {
39 if (!g_isInited) {
40 DelayedSingleton<CoreService>::GetInstance()->OnStart();
41 if (DelayedSingleton<CoreService>::GetInstance()->GetServiceRunningState() ==
42 static_cast<int32_t>(ServiceRunningState::STATE_RUNNING)) {
43 g_isInited = true;
44 }
45 }
46 return g_isInited;
47 }
48
IsNrSupported(const uint8_t * data,size_t size)49 void IsNrSupported(const uint8_t *data, size_t size)
50 {
51 if (!IsServiceInited()) {
52 return;
53 }
54
55 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
56 MessageParcel dataMessageParcel;
57 dataMessageParcel.WriteInt32(slotId);
58 dataMessageParcel.WriteBuffer(data, size);
59 dataMessageParcel.RewindRead(0);
60 MessageParcel reply;
61 DelayedSingleton<CoreService>::GetInstance()->OnIsNrSupported(dataMessageParcel, reply);
62 }
63
GetPsRadioTech(const uint8_t * data,size_t size)64 void GetPsRadioTech(const uint8_t *data, size_t size)
65 {
66 if (!IsServiceInited()) {
67 return;
68 }
69
70 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
71 MessageParcel dataMessageParcel;
72 dataMessageParcel.WriteInt32(slotId);
73 dataMessageParcel.WriteBuffer(data, size);
74 dataMessageParcel.RewindRead(0);
75 MessageParcel reply;
76 DelayedSingleton<CoreService>::GetInstance()->OnGetPsRadioTech(dataMessageParcel, reply);
77 }
78
GetCsRadioTech(const uint8_t * data,size_t size)79 void GetCsRadioTech(const uint8_t *data, size_t size)
80 {
81 if (!IsServiceInited()) {
82 return;
83 }
84
85 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
86 MessageParcel dataMessageParcel;
87 dataMessageParcel.WriteInt32(slotId);
88 dataMessageParcel.WriteBuffer(data, size);
89 dataMessageParcel.RewindRead(0);
90 MessageParcel reply;
91 DelayedSingleton<CoreService>::GetInstance()->OnGetCsRadioTech(dataMessageParcel, reply);
92 }
93
GetNrOptionMode(const uint8_t * data,size_t size)94 void GetNrOptionMode(const uint8_t *data, size_t size)
95 {
96 if (!IsServiceInited()) {
97 return;
98 }
99
100 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
101 MessageParcel dataMessageParcel;
102 dataMessageParcel.WriteInt32(slotId);
103 dataMessageParcel.WriteBuffer(data, size);
104 dataMessageParcel.RewindRead(0);
105 MessageParcel reply;
106 DelayedSingleton<CoreService>::GetInstance()->OnGetNrOptionMode(dataMessageParcel, reply);
107 }
108
GetSimEons(const uint8_t * data,size_t size)109 void GetSimEons(const uint8_t *data, size_t size)
110 {
111 if (!IsServiceInited()) {
112 return;
113 }
114
115 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
116 bool longNameRequired = static_cast<int32_t>(*data % CHOICE_NUM);
117 std::string plmn(reinterpret_cast<const char *>(data), size);
118 MessageParcel dataMessageParcel;
119 dataMessageParcel.WriteInt32(slotId);
120 dataMessageParcel.WriteString(plmn);
121 dataMessageParcel.WriteInt32(size);
122 dataMessageParcel.WriteBool(longNameRequired);
123 dataMessageParcel.RewindRead(0);
124 MessageParcel reply;
125 DelayedSingleton<CoreService>::GetInstance()->OnGetSimEons(dataMessageParcel, reply);
126 }
127
GetIsoCountryCodeForNetwork(const uint8_t * data,size_t size)128 void GetIsoCountryCodeForNetwork(const uint8_t *data, size_t size)
129 {
130 if (!IsServiceInited()) {
131 return;
132 }
133
134 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
135 MessageParcel dataMessageParcel;
136 dataMessageParcel.WriteInt32(slotId);
137 dataMessageParcel.WriteBuffer(data, size);
138 dataMessageParcel.RewindRead(0);
139 MessageParcel reply;
140 DelayedSingleton<CoreService>::GetInstance()->OnGetIsoCountryCodeForNetwork(dataMessageParcel, reply);
141 }
142
GetSignalInfoList(const uint8_t * data,size_t size)143 void GetSignalInfoList(const uint8_t *data, size_t size)
144 {
145 if (!IsServiceInited()) {
146 return;
147 }
148
149 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
150 MessageParcel dataMessageParcel;
151 dataMessageParcel.WriteInt32(slotId);
152 dataMessageParcel.WriteBuffer(data, size);
153 dataMessageParcel.RewindRead(0);
154 MessageParcel reply;
155 DelayedSingleton<CoreService>::GetInstance()->OnGetSignalInfoList(dataMessageParcel, reply);
156 }
157
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)158 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
159 {
160 if (data == nullptr || size == 0) {
161 return;
162 }
163
164 IsNrSupported(data, size);
165 GetPsRadioTech(data, size);
166 GetCsRadioTech(data, size);
167 GetNrOptionMode(data, size);
168 GetSimEons(data, size);
169 GetIsoCountryCodeForNetwork(data, size);
170 GetSignalInfoList(data, size);
171 auto telRilManager = DelayedSingleton<CoreService>::GetInstance()->telRilManager_;
172 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
173 return;
174 }
175 telRilManager->handler_->ClearFfrt(false);
176 telRilManager->handler_->queue_ = nullptr;
177 return;
178 }
179 } // namespace OHOS
180
181 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)182 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
183 {
184 OHOS::AddCoreServiceTokenFuzzer token;
185 return 0;
186 }
187
188 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)189 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
190 {
191 /* Run your code on data */
192 OHOS::DoSomethingInterestingWithMyAPI(data, size);
193 OHOS::DelayedSingleton<CoreService>::DestroyInstance();
194 return 0;
195 }
196