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