1 /*
2 * Copyright (c) 2022-2023 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 "splitmessage_fuzzer.h"
17
18 #define private public
19 #include "addsmstoken_fuzzer.h"
20 #include "cdma_sms_message.h"
21 #include "core_manager_inner.h"
22 #include "sms_service.h"
23
24 using namespace OHOS::Telephony;
25 namespace OHOS {
26 static bool g_isInited = false;
27 static int32_t SLOT_NUM = 2;
28
IsServiceInited()29 bool IsServiceInited()
30 {
31 if (!g_isInited) {
32 CoreManagerInner::GetInstance().isInitAllObj_ = true;
33 DelayedSingleton<SmsService>::GetInstance()->registerToService_ = true;
34 DelayedSingleton<SmsService>::GetInstance()->WaitCoreServiceToInit();
35 DelayedSingleton<SmsService>::GetInstance()->OnStart();
36 if (DelayedSingleton<SmsService>::GetInstance()->GetServiceRunningState() ==
37 static_cast<int32_t>(Telephony::ServiceRunningState::STATE_RUNNING)) {
38 g_isInited = true;
39 }
40 }
41 return g_isInited;
42 }
43
SplitMessage(const uint8_t * data,size_t size)44 void SplitMessage(const uint8_t *data, size_t size)
45 {
46 MessageParcel dataParcel;
47 MessageParcel replyParcel;
48 MessageOption option(MessageOption::TF_SYNC);
49
50 std::string message(reinterpret_cast<const char *>(data), size);
51 auto messageU16 = Str8ToStr16(message);
52 dataParcel.WriteString16(messageU16);
53 dataParcel.RewindRead(0);
54
55 DelayedSingleton<SmsService>::GetInstance()->OnSplitMessage(dataParcel, replyParcel, option);
56
57 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
58 std::shared_ptr<SmsInterfaceManager> interfaceManager = std::make_shared<SmsInterfaceManager>(slotId);
59 if (interfaceManager == nullptr) {
60 TELEPHONY_LOGE("interfaceManager nullptr error");
61 return;
62 }
63 interfaceManager->InitInterfaceManager();
64 std::string messageData(reinterpret_cast<const char *>(data), size);
65 std::vector<std::u16string> splitMessage;
66 interfaceManager->SplitMessage(messageData, splitMessage);
67 auto smsSendManager = std::make_unique<SmsSendManager>(slotId);
68 if (smsSendManager == nullptr) {
69 TELEPHONY_LOGE("failed to create SmsSendManager");
70 return;
71 }
72 smsSendManager->Init();
73 smsSendManager->InitNetworkHandle();
74 smsSendManager->SplitMessage(messageData, splitMessage);
75
76 DataCodingScheme codingType;
77 std::vector<struct SplitInfo> cellsInfos;
78 GsmSmsMessage gsmSmsMessage;
79 gsmSmsMessage.SplitMessage(cellsInfos, messageData, false, codingType, false, "");
80 CdmaSmsMessage cdmaSmsMessage;
81 cdmaSmsMessage.SplitMessage(cellsInfos, messageData, false, codingType, false, "");
82 }
83
GetImsShortMessageFormat(const uint8_t * data,size_t size)84 void GetImsShortMessageFormat(const uint8_t *data, size_t size)
85 {
86 MessageParcel dataParcel;
87 MessageParcel replyParcel;
88 MessageOption option(MessageOption::TF_SYNC);
89
90 dataParcel.WriteBuffer(data, size);
91 dataParcel.RewindRead(0);
92 DelayedSingleton<SmsService>::GetInstance()->OnGetImsShortMessageFormat(dataParcel, replyParcel, option);
93
94 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
95 std::shared_ptr<SmsInterfaceManager> interfaceManager = std::make_shared<SmsInterfaceManager>(slotId);
96 if (interfaceManager == nullptr) {
97 TELEPHONY_LOGE("interfaceManager nullptr error");
98 return;
99 }
100 std::u16string format;
101 interfaceManager->InitInterfaceManager();
102 interfaceManager->GetImsShortMessageFormat(format);
103
104 auto smsSendManager = std::make_unique<SmsSendManager>(slotId);
105 if (smsSendManager == nullptr) {
106 TELEPHONY_LOGE("failed to create SmsSendManager");
107 return;
108 }
109 smsSendManager->Init();
110 smsSendManager->InitNetworkHandle();
111 smsSendManager->GetImsShortMessageFormat(format);
112 }
113
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)114 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
115 {
116 if (data == nullptr || size == 0) {
117 return;
118 }
119
120 if (!IsServiceInited()) {
121 return;
122 }
123
124 SplitMessage(data, size);
125 GetImsShortMessageFormat(data, size);
126 DelayedSingleton<SmsService>::DestroyInstance();
127 }
128 } // namespace OHOS
129
130 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)131 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
132 {
133 /* Run your code on data */
134 OHOS::AddSmsTokenFuzzer token;
135 OHOS::DoSomethingInterestingWithMyAPI(data, size);
136 return 0;
137 }
138