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 #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
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
GetShowNumber(const uint8_t * data,size_t size)49 void GetShowNumber(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()->OnGetShowNumber(dataMessageParcel, reply);
62 }
63
GetSlotId(const uint8_t * data,size_t size)64 void GetSlotId(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()->OnGetSlotId(dataMessageParcel, reply);
77 }
78
GetSimId(const uint8_t * data,size_t size)79 void GetSimId(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()->OnGetSimId(dataMessageParcel, reply);
92 }
93
GetLocaleFromDefaultSim(const uint8_t * data,size_t size)94 void GetLocaleFromDefaultSim(const uint8_t *data, size_t size)
95 {
96 if (!IsServiceInited()) {
97 return;
98 }
99
100 MessageParcel dataMessageParcel;
101 dataMessageParcel.WriteBuffer(data, size);
102 dataMessageParcel.RewindRead(0);
103 MessageParcel reply;
104 DelayedSingleton<CoreService>::GetInstance()->OnGetLocaleFromDefaultSim(dataMessageParcel, reply);
105 }
106
SetShowNumber(const uint8_t * data,size_t size)107 void SetShowNumber(const uint8_t *data, size_t size)
108 {
109 if (!IsServiceInited()) {
110 return;
111 }
112
113 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
114 std::string number(reinterpret_cast<const char *>(data), size);
115 auto numberU16 = Str8ToStr16(number);
116 MessageParcel dataMessageParcel;
117 dataMessageParcel.WriteInt32(slotId);
118 dataMessageParcel.WriteString16(numberU16);
119 dataMessageParcel.RewindRead(0);
120 MessageParcel reply;
121 DelayedSingleton<CoreService>::GetInstance()->OnSetShowNumber(dataMessageParcel, reply);
122 }
123
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)124 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
125 {
126 if (data == nullptr || size == 0) {
127 return;
128 }
129
130 GetShowNumber(data, size);
131 GetSlotId(data, size);
132 GetSimId(data, size);
133 GetLocaleFromDefaultSim(data, size);
134 SetShowNumber(data, size);
135 auto telRilManager = std::static_pointer_cast<TelRilManager>(
136 DelayedSingleton<CoreService>::GetInstance()->telRilManager_);
137 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
138 return;
139 }
140 telRilManager->handler_->ClearFfrt(false);
141 telRilManager->handler_->queue_ = nullptr;
142 return;
143 }
144 } // namespace OHOS
145
146 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)147 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
148 {
149 OHOS::AddCoreServiceTokenFuzzer token;
150 return 0;
151 }
152
153 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)154 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
155 {
156 /* Run your code on data */
157 OHOS::DoSomethingInterestingWithMyAPI(data, size);
158 OHOS::DelayedSingleton<CoreService>::DestroyInstance();
159 return 0;
160 }
161