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 #include "tel_ril_manager.h"
31
32 using namespace OHOS::Telephony;
33 namespace OHOS {
34 static bool g_isInited = false;
35 constexpr int32_t SLOT_NUM = 2;
36 constexpr int32_t CHOICE_NUM = 2;
37
IsServiceInited()38 bool IsServiceInited()
39 {
40 if (!g_isInited) {
41 DelayedSingleton<CoreService>::GetInstance()->OnStart();
42 if (DelayedSingleton<CoreService>::GetInstance()->GetServiceRunningState() ==
43 static_cast<int32_t>(ServiceRunningState::STATE_RUNNING)) {
44 g_isInited = true;
45 }
46 }
47 return g_isInited;
48 }
49
IsNrSupported(const uint8_t * data,size_t size)50 void IsNrSupported(const uint8_t *data, size_t size)
51 {
52 if (!IsServiceInited()) {
53 return;
54 }
55
56 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
57 MessageParcel dataMessageParcel;
58 dataMessageParcel.WriteInt32(slotId);
59 dataMessageParcel.WriteBuffer(data, size);
60 dataMessageParcel.RewindRead(0);
61 MessageParcel reply;
62 DelayedSingleton<CoreService>::GetInstance()->OnIsNrSupported(dataMessageParcel, reply);
63 }
64
GetPsRadioTech(const uint8_t * data,size_t size)65 void GetPsRadioTech(const uint8_t *data, size_t size)
66 {
67 if (!IsServiceInited()) {
68 return;
69 }
70
71 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
72 MessageParcel dataMessageParcel;
73 dataMessageParcel.WriteInt32(slotId);
74 dataMessageParcel.WriteBuffer(data, size);
75 dataMessageParcel.RewindRead(0);
76 MessageParcel reply;
77 DelayedSingleton<CoreService>::GetInstance()->OnGetPsRadioTech(dataMessageParcel, reply);
78 }
79
GetCsRadioTech(const uint8_t * data,size_t size)80 void GetCsRadioTech(const uint8_t *data, size_t size)
81 {
82 if (!IsServiceInited()) {
83 return;
84 }
85
86 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
87 MessageParcel dataMessageParcel;
88 dataMessageParcel.WriteInt32(slotId);
89 dataMessageParcel.WriteBuffer(data, size);
90 dataMessageParcel.RewindRead(0);
91 MessageParcel reply;
92 DelayedSingleton<CoreService>::GetInstance()->OnGetCsRadioTech(dataMessageParcel, reply);
93 }
94
GetNrOptionMode(const uint8_t * data,size_t size)95 void GetNrOptionMode(const uint8_t *data, size_t size)
96 {
97 if (!IsServiceInited()) {
98 return;
99 }
100
101 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
102 MessageParcel dataMessageParcel;
103 dataMessageParcel.WriteInt32(slotId);
104 dataMessageParcel.WriteBuffer(data, size);
105 dataMessageParcel.RewindRead(0);
106 MessageParcel reply;
107 DelayedSingleton<CoreService>::GetInstance()->OnGetNrOptionMode(dataMessageParcel, reply);
108 }
109
GetSimEons(const uint8_t * data,size_t size)110 void GetSimEons(const uint8_t *data, size_t size)
111 {
112 if (!IsServiceInited()) {
113 return;
114 }
115
116 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
117 bool longNameRequired = static_cast<int32_t>(*data % CHOICE_NUM);
118 std::string plmn(reinterpret_cast<const char *>(data), size);
119 MessageParcel dataMessageParcel;
120 dataMessageParcel.WriteInt32(slotId);
121 dataMessageParcel.WriteString(plmn);
122 dataMessageParcel.WriteInt32(size);
123 dataMessageParcel.WriteBool(longNameRequired);
124 dataMessageParcel.RewindRead(0);
125 MessageParcel reply;
126 DelayedSingleton<CoreService>::GetInstance()->OnGetSimEons(dataMessageParcel, reply);
127 }
128
GetIsoCountryCodeForNetwork(const uint8_t * data,size_t size)129 void GetIsoCountryCodeForNetwork(const uint8_t *data, size_t size)
130 {
131 if (!IsServiceInited()) {
132 return;
133 }
134
135 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
136 MessageParcel dataMessageParcel;
137 dataMessageParcel.WriteInt32(slotId);
138 dataMessageParcel.WriteBuffer(data, size);
139 dataMessageParcel.RewindRead(0);
140 MessageParcel reply;
141 DelayedSingleton<CoreService>::GetInstance()->OnGetIsoCountryCodeForNetwork(dataMessageParcel, reply);
142 }
143
GetSignalInfoList(const uint8_t * data,size_t size)144 void GetSignalInfoList(const uint8_t *data, size_t size)
145 {
146 if (!IsServiceInited()) {
147 return;
148 }
149
150 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
151 MessageParcel dataMessageParcel;
152 dataMessageParcel.WriteInt32(slotId);
153 dataMessageParcel.WriteBuffer(data, size);
154 dataMessageParcel.RewindRead(0);
155 MessageParcel reply;
156 DelayedSingleton<CoreService>::GetInstance()->OnGetSignalInfoList(dataMessageParcel, reply);
157 }
158
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)159 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
160 {
161 if (data == nullptr || size == 0) {
162 return;
163 }
164
165 IsNrSupported(data, size);
166 GetPsRadioTech(data, size);
167 GetCsRadioTech(data, size);
168 GetNrOptionMode(data, size);
169 GetSimEons(data, size);
170 GetIsoCountryCodeForNetwork(data, size);
171 GetSignalInfoList(data, size);
172 auto telRilManager = std::static_pointer_cast<TelRilManager>(
173 DelayedSingleton<CoreService>::GetInstance()->telRilManager_);
174 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
175 return;
176 }
177 telRilManager->handler_->ClearFfrt(false);
178 telRilManager->handler_->queue_ = nullptr;
179 return;
180 }
181 } // namespace OHOS
182
183 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)184 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
185 {
186 OHOS::AddCoreServiceTokenFuzzer token;
187 return 0;
188 }
189
190 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)191 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
192 {
193 /* Run your code on data */
194 OHOS::DoSomethingInterestingWithMyAPI(data, size);
195 OHOS::DelayedSingleton<CoreService>::DestroyInstance();
196 return 0;
197 }
198