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 "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 constexpr int32_t SLEEP_TIME_SECONDS = 10;
36
IsServiceInited()37 bool IsServiceInited()
38 {
39 if (!g_isInited) {
40 auto onStart = [] { DelayedSingleton<CoreService>::GetInstance()->OnStart(); };
41 std::thread startThread(onStart);
42 pthread_setname_np(startThread.native_handle(), "setshowname_fuzzer");
43 startThread.join();
44
45 sleep(SLEEP_TIME_SECONDS);
46 if (DelayedSingleton<CoreService>::GetInstance()->GetServiceRunningState() ==
47 static_cast<int32_t>(ServiceRunningState::STATE_RUNNING)) {
48 g_isInited = true;
49 }
50 }
51 return g_isInited;
52 }
53
GetShowName(const uint8_t * data,size_t size)54 void GetShowName(const uint8_t *data, size_t size)
55 {
56 if (!IsServiceInited()) {
57 return;
58 }
59
60 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
61 MessageParcel dataMessageParcel;
62 dataMessageParcel.WriteInt32(slotId);
63 dataMessageParcel.WriteBuffer(data, size);
64 dataMessageParcel.RewindRead(0);
65 MessageParcel reply;
66 DelayedSingleton<CoreService>::GetInstance()->OnGetShowName(dataMessageParcel, reply);
67 }
68
GetSimSpn(const uint8_t * data,size_t size)69 void GetSimSpn(const uint8_t *data, size_t size)
70 {
71 if (!IsServiceInited()) {
72 return;
73 }
74
75 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
76 MessageParcel dataMessageParcel;
77 dataMessageParcel.WriteInt32(slotId);
78 dataMessageParcel.WriteBuffer(data, size);
79 dataMessageParcel.RewindRead(0);
80 MessageParcel reply;
81 DelayedSingleton<CoreService>::GetInstance()->OnGetSimSpn(dataMessageParcel, reply);
82 }
83
GetSimIccId(const uint8_t * data,size_t size)84 void GetSimIccId(const uint8_t *data, size_t size)
85 {
86 if (!IsServiceInited()) {
87 return;
88 }
89
90 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
91 MessageParcel dataMessageParcel;
92 dataMessageParcel.WriteInt32(slotId);
93 dataMessageParcel.WriteBuffer(data, size);
94 dataMessageParcel.RewindRead(0);
95 MessageParcel reply;
96 DelayedSingleton<CoreService>::GetInstance()->OnGetSimIccId(dataMessageParcel, reply);
97 }
98
GetIMSI(const uint8_t * data,size_t size)99 void GetIMSI(const uint8_t *data, size_t size)
100 {
101 if (!IsServiceInited()) {
102 return;
103 }
104
105 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
106 MessageParcel dataMessageParcel;
107 dataMessageParcel.WriteInt32(slotId);
108 dataMessageParcel.WriteBuffer(data, size);
109 dataMessageParcel.RewindRead(0);
110 MessageParcel reply;
111 DelayedSingleton<CoreService>::GetInstance()->OnGetIMSI(dataMessageParcel, reply);
112 }
113
IsSimActive(const uint8_t * data,size_t size)114 void IsSimActive(const uint8_t *data, size_t size)
115 {
116 if (!IsServiceInited()) {
117 return;
118 }
119
120 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
121 MessageParcel dataMessageParcel;
122 dataMessageParcel.WriteInt32(slotId);
123 dataMessageParcel.WriteBuffer(data, size);
124 dataMessageParcel.RewindRead(0);
125 MessageParcel reply;
126 DelayedSingleton<CoreService>::GetInstance()->OnIsSimActive(dataMessageParcel, reply);
127 }
128
SetShowName(const uint8_t * data,size_t size)129 void SetShowName(const uint8_t *data, size_t size)
130 {
131 if (!IsServiceInited()) {
132 return;
133 }
134 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
135 std::string message(reinterpret_cast<const char *>(data), size);
136 MessageParcel dataMessageParcel;
137 dataMessageParcel.WriteInt32(slotId);
138 dataMessageParcel.WriteString16(Str8ToStr16(message));
139 dataMessageParcel.RewindRead(0);
140 MessageParcel reply;
141 DelayedSingleton<CoreService>::GetInstance()->OnSetShowName(dataMessageParcel, reply);
142 }
143
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)144 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
145 {
146 if (data == nullptr || size == 0) {
147 return;
148 }
149
150 GetShowName(data, size);
151 GetSimSpn(data, size);
152 GetSimIccId(data, size);
153 GetIMSI(data, size);
154 IsSimActive(data, size);
155 SetShowName(data, size);
156 }
157 } // namespace OHOS
158
159 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)160 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
161 {
162 OHOS::AddCoreServiceTokenFuzzer token;
163 /* Run your code on data */
164 OHOS::DoSomethingInterestingWithMyAPI(data, size);
165 return 0;
166 }
167