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 "setshowname_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 "string_ex.h"
28 #include "system_ability_definition.h"
29 #include "tel_event_handler.h"
30 #include "unistd.h"
31
32 using namespace OHOS::Telephony;
33 namespace OHOS {
34 static bool g_isInited = false;
35 constexpr int32_t SLOT_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
GetShowName(const uint8_t * data,size_t size)49 void GetShowName(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()->OnGetShowName(dataMessageParcel, reply);
62 }
63
GetSimSpn(const uint8_t * data,size_t size)64 void GetSimSpn(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()->OnGetSimSpn(dataMessageParcel, reply);
77 }
78
GetSimIccId(const uint8_t * data,size_t size)79 void GetSimIccId(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()->OnGetSimIccId(dataMessageParcel, reply);
92 }
93
GetIMSI(const uint8_t * data,size_t size)94 void GetIMSI(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()->OnGetIMSI(dataMessageParcel, reply);
107 }
108
IsSimActive(const uint8_t * data,size_t size)109 void IsSimActive(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 MessageParcel dataMessageParcel;
117 dataMessageParcel.WriteInt32(slotId);
118 dataMessageParcel.WriteBuffer(data, size);
119 dataMessageParcel.RewindRead(0);
120 MessageParcel reply;
121 DelayedSingleton<CoreService>::GetInstance()->OnIsSimActive(dataMessageParcel, reply);
122 }
123
SetShowName(const uint8_t * data,size_t size)124 void SetShowName(const uint8_t *data, size_t size)
125 {
126 if (!IsServiceInited()) {
127 return;
128 }
129 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
130 std::string message(reinterpret_cast<const char *>(data), size);
131 MessageParcel dataMessageParcel;
132 dataMessageParcel.WriteInt32(slotId);
133 dataMessageParcel.WriteString16(Str8ToStr16(message));
134 dataMessageParcel.RewindRead(0);
135 MessageParcel reply;
136 DelayedSingleton<CoreService>::GetInstance()->OnSetShowName(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 GetShowName(data, size);
146 GetSimSpn(data, size);
147 GetSimIccId(data, size);
148 GetIMSI(data, size);
149 IsSimActive(data, size);
150 SetShowName(data, size);
151 auto telRilManager = DelayedSingleton<CoreService>::GetInstance()->telRilManager_;
152 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
153 return;
154 }
155 telRilManager->handler_->ClearFfrt(false);
156 telRilManager->handler_->queue_ = nullptr;
157 return;
158 }
159 } // namespace OHOS
160
161 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)162 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
163 {
164 OHOS::AddCoreServiceTokenFuzzer token;
165 return 0;
166 }
167
168 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)169 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
170 {
171 /* Run your code on data */
172 OHOS::DoSomethingInterestingWithMyAPI(data, size);
173 OHOS::DelayedSingleton<CoreService>::DestroyInstance();
174 return 0;
175 }
176