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 "setshownumber_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <string_ex.h>
21 #include <thread>
22
23 #define private public
24 #include "addcoreservicetoken_fuzzer.h"
25 #include "core_service.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
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
GetShowNumber(const uint8_t * data,size_t size)48 void GetShowNumber(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()->OnGetShowNumber(dataMessageParcel, reply);
61 }
62
GetSlotId(const uint8_t * data,size_t size)63 void GetSlotId(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()->OnGetSlotId(dataMessageParcel, reply);
76 }
77
GetSimId(const uint8_t * data,size_t size)78 void GetSimId(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()->OnGetSimId(dataMessageParcel, reply);
91 }
92
GetLocaleFromDefaultSim(const uint8_t * data,size_t size)93 void GetLocaleFromDefaultSim(const uint8_t *data, size_t size)
94 {
95 if (!IsServiceInited()) {
96 return;
97 }
98
99 MessageParcel dataMessageParcel;
100 dataMessageParcel.WriteBuffer(data, size);
101 dataMessageParcel.RewindRead(0);
102 MessageParcel reply;
103 DelayedSingleton<CoreService>::GetInstance()->OnGetLocaleFromDefaultSim(dataMessageParcel, reply);
104 }
105
SetShowNumber(const uint8_t * data,size_t size)106 void SetShowNumber(const uint8_t *data, size_t size)
107 {
108 if (!IsServiceInited()) {
109 return;
110 }
111
112 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
113 std::string number(reinterpret_cast<const char *>(data), size);
114 auto numberU16 = Str8ToStr16(number);
115 MessageParcel dataMessageParcel;
116 dataMessageParcel.WriteInt32(slotId);
117 dataMessageParcel.WriteString16(numberU16);
118 dataMessageParcel.RewindRead(0);
119 MessageParcel reply;
120 DelayedSingleton<CoreService>::GetInstance()->OnSetShowNumber(dataMessageParcel, reply);
121 }
122
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)123 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
124 {
125 if (data == nullptr || size == 0) {
126 return;
127 }
128
129 GetShowNumber(data, size);
130 GetSlotId(data, size);
131 GetSimId(data, size);
132 GetLocaleFromDefaultSim(data, size);
133 SetShowNumber(data, size);
134 auto telRilManager = DelayedSingleton<CoreService>::GetInstance()->telRilManager_;
135 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
136 return;
137 }
138 telRilManager->handler_->ClearFfrt(false);
139 telRilManager->handler_->queue_ = nullptr;
140 return;
141 }
142 } // namespace OHOS
143
144 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)145 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
146 {
147 OHOS::AddCoreServiceTokenFuzzer token;
148 return 0;
149 }
150
151 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)152 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
153 {
154 /* Run your code on data */
155 OHOS::DoSomethingInterestingWithMyAPI(data, size);
156 OHOS::DelayedSingleton<CoreService>::DestroyInstance();
157 return 0;
158 }
159