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 #include "tel_ril_manager.h"
32
33 using namespace OHOS::Telephony;
34 namespace OHOS {
35 static bool g_isInited = false;
36 constexpr int32_t SLOT_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
GetShowName(const uint8_t * data,size_t size)50 void GetShowName(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()->OnGetShowName(dataMessageParcel, reply);
63 }
64
GetSimSpn(const uint8_t * data,size_t size)65 void GetSimSpn(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()->OnGetSimSpn(dataMessageParcel, reply);
78 }
79
GetSimIccId(const uint8_t * data,size_t size)80 void GetSimIccId(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()->OnGetSimIccId(dataMessageParcel, reply);
93 }
94
GetIMSI(const uint8_t * data,size_t size)95 void GetIMSI(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()->OnGetIMSI(dataMessageParcel, reply);
108 }
109
IsSimActive(const uint8_t * data,size_t size)110 void IsSimActive(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 MessageParcel dataMessageParcel;
118 dataMessageParcel.WriteInt32(slotId);
119 dataMessageParcel.WriteBuffer(data, size);
120 dataMessageParcel.RewindRead(0);
121 MessageParcel reply;
122 DelayedSingleton<CoreService>::GetInstance()->OnIsSimActive(dataMessageParcel, reply);
123 }
124
SetShowName(const uint8_t * data,size_t size)125 void SetShowName(const uint8_t *data, size_t size)
126 {
127 if (!IsServiceInited()) {
128 return;
129 }
130 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
131 std::string message(reinterpret_cast<const char *>(data), size);
132 MessageParcel dataMessageParcel;
133 dataMessageParcel.WriteInt32(slotId);
134 dataMessageParcel.WriteString16(Str8ToStr16(message));
135 dataMessageParcel.RewindRead(0);
136 MessageParcel reply;
137 DelayedSingleton<CoreService>::GetInstance()->OnSetShowName(dataMessageParcel, reply);
138 }
139
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)140 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
141 {
142 if (data == nullptr || size == 0) {
143 return;
144 }
145
146 GetShowName(data, size);
147 GetSimSpn(data, size);
148 GetSimIccId(data, size);
149 GetIMSI(data, size);
150 IsSimActive(data, size);
151 SetShowName(data, size);
152 auto telRilManager = std::static_pointer_cast<TelRilManager>(
153 DelayedSingleton<CoreService>::GetInstance()->telRilManager_);
154 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
155 return;
156 }
157 telRilManager->handler_->ClearFfrt(false);
158 telRilManager->handler_->queue_ = nullptr;
159 return;
160 }
161 } // namespace OHOS
162
163 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)164 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
165 {
166 OHOS::AddCoreServiceTokenFuzzer token;
167 return 0;
168 }
169
170 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)171 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
172 {
173 /* Run your code on data */
174 OHOS::DoSomethingInterestingWithMyAPI(data, size);
175 OHOS::DelayedSingleton<CoreService>::DestroyInstance();
176 return 0;
177 }
178