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 "addsimmessage_fuzzer.h"
17
18 #define private public
19 #include "addsmstoken_fuzzer.h"
20 #include "i_sms_service_interface.h"
21 #include "napi_util.h"
22 #include "sms_service.h"
23
24 using namespace OHOS::Telephony;
25 namespace OHOS {
26 static bool g_isInited = false;
27 constexpr int32_t SLOT_NUM = 2;
28 static int32_t STATUS_COUNT = 4;
29
IsServiceInited()30 bool IsServiceInited()
31 {
32 if (!g_isInited) {
33 DelayedSingleton<SmsService>::GetInstance()->OnStart();
34 if (DelayedSingleton<SmsService>::GetInstance()->GetServiceRunningState() ==
35 static_cast<int32_t>(Telephony::ServiceRunningState::STATE_RUNNING)) {
36 g_isInited = true;
37 }
38 }
39 return g_isInited;
40 }
41
OnRemoteRequest(const uint8_t * data,size_t size)42 void OnRemoteRequest(const uint8_t *data, size_t size)
43 {
44 if (!IsServiceInited()) {
45 return;
46 }
47
48 MessageParcel dataParcel;
49 if (!dataParcel.WriteInterfaceToken(SmsInterfaceStub::GetDescriptor())) {
50 TELEPHONY_LOGE("OnRemoteRequest WriteInterfaceToken is false");
51 return;
52 }
53
54 MessageParcel replyParcel;
55 MessageOption option(MessageOption::TF_SYNC);
56
57 size_t dataSize = size - sizeof(uint32_t);
58 dataParcel.WriteBuffer(data + sizeof(uint32_t), dataSize);
59 dataParcel.RewindRead(0);
60 uint32_t code = static_cast<uint32_t>(size);
61
62 DelayedSingleton<SmsService>::GetInstance()->OnRemoteRequest(code, dataParcel, replyParcel, option);
63 return;
64 }
65
AddSimMessage(const uint8_t * data,size_t size)66 void AddSimMessage(const uint8_t *data, size_t size)
67 {
68 if (!IsServiceInited()) {
69 return;
70 }
71
72 MessageParcel dataParcel;
73 MessageParcel replyParcel;
74 MessageOption option(MessageOption::TF_SYNC);
75
76 std::string smsc(reinterpret_cast<const char *>(data), size);
77 std::string pdu(reinterpret_cast<const char *>(data), size);
78 auto smscU16 = Str8ToStr16(smsc);
79 auto pduU16 = Str8ToStr16(pdu);
80 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
81 auto status = static_cast<ISmsServiceInterface::SimMessageStatus>(size % STATUS_COUNT);
82
83 dataParcel.WriteInt32(slotId);
84 dataParcel.WriteString16(smscU16);
85 dataParcel.WriteString16(pduU16);
86 dataParcel.WriteUint32(status);
87 dataParcel.RewindRead(0);
88 DelayedSingleton<SmsService>::GetInstance()->OnAddSimMessage(dataParcel, replyParcel, option);
89
90 std::shared_ptr<SmsInterfaceManager> interfaceManager = std::make_shared<SmsInterfaceManager>(slotId);
91 if (interfaceManager == nullptr) {
92 TELEPHONY_LOGE("interfaceManager nullptr");
93 return;
94 }
95 interfaceManager->AddSimMessage(smsc, pdu, status);
96
97 auto smsMiscRunner = AppExecFwk::EventRunner::Create("SmsMiscRunner");
98 if (smsMiscRunner == nullptr) {
99 TELEPHONY_LOGE("failed to create SmsMiscRunner");
100 return;
101 }
102 std::shared_ptr<SmsMiscManager> smsMiscManager = std::make_shared<SmsMiscManager>(smsMiscRunner, slotId);
103 if (smsMiscManager == nullptr) {
104 TELEPHONY_LOGE("smsMiscManager nullptr");
105 return;
106 }
107 smsMiscManager->AddSimMessage(smsc, pdu, status);
108 }
109
HasSmsCapability(const uint8_t * data,size_t size)110 void HasSmsCapability(const uint8_t *data, size_t size)
111 {
112 if (!IsServiceInited()) {
113 return;
114 }
115
116 MessageParcel dataParcel;
117 MessageParcel replyParcel;
118 MessageOption option(MessageOption::TF_SYNC);
119
120 dataParcel.WriteBuffer(data, size);
121 dataParcel.RewindRead(0);
122 DelayedSingleton<SmsService>::GetInstance()->OnHasSmsCapability(dataParcel, replyParcel, option);
123
124 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
125 std::shared_ptr<SmsInterfaceManager> interfaceManager = std::make_shared<SmsInterfaceManager>(slotId);
126 if (interfaceManager == nullptr) {
127 TELEPHONY_LOGE("interfaceManager nullptr error");
128 return;
129 }
130 interfaceManager->HasSmsCapability();
131 }
132
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)133 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
134 {
135 if (data == nullptr || size == 0) {
136 return;
137 }
138
139 OnRemoteRequest(data, size);
140 AddSimMessage(data, size);
141 HasSmsCapability(data, size);
142 }
143 } // namespace OHOS
144
145 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)146 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
147 {
148 /* Run your code on data */
149 OHOS::AddSmsTokenFuzzer token;
150 OHOS::DoSomethingInterestingWithMyAPI(data, size);
151 return 0;
152 }
153