1/*
2 * Copyright (c) 2024 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 "updatesimmessage_fuzzer.h"
17
18#define private public
19#include "addsmstoken_fuzzer.h"
20#include "core_manager_inner.h"
21#include "i_sms_service_interface.h"
22#include "sms_service.h"
23
24using namespace OHOS::Telephony;
25namespace OHOS {
26static bool g_isInited = false;
27constexpr int32_t SLOT_NUM = 2;
28constexpr int32_t SIM_MESSAGE_STATUE = 4;
29
30bool IsServiceInited()
31{
32    if (!g_isInited) {
33        CoreManagerInner::GetInstance().isInitAllObj_ = true;
34        DelayedSingleton<SmsService>::GetInstance()->registerToService_ = true;
35        DelayedSingleton<SmsService>::GetInstance()->WaitCoreServiceToInit();
36        DelayedSingleton<SmsService>::GetInstance()->OnStart();
37        if (DelayedSingleton<SmsService>::GetInstance()->GetServiceRunningState() ==
38            static_cast<int32_t>(Telephony::ServiceRunningState::STATE_RUNNING)) {
39            g_isInited = true;
40        }
41    }
42    return g_isInited;
43}
44
45void UpdateSimMessage(const uint8_t *data, size_t size)
46{
47    if (!IsServiceInited()) {
48        return;
49    }
50
51    MessageParcel dataParcel;
52    MessageParcel replyParcel;
53    MessageOption option(MessageOption::TF_SYNC);
54
55    std::string smsc(reinterpret_cast<const char *>(data), size);
56    std::string pdu(reinterpret_cast<const char *>(data), size);
57    auto smscU16 = Str8ToStr16(smsc);
58    auto pduU16 = Str8ToStr16(pdu);
59    int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
60    ISmsServiceInterface::SimMessageStatus status =
61        static_cast<ISmsServiceInterface::SimMessageStatus>(size % SIM_MESSAGE_STATUE);
62
63    dataParcel.WriteInt32(slotId);
64    dataParcel.WriteUint32(size);
65    dataParcel.WriteUint32(status);
66    dataParcel.WriteString16(smscU16);
67    dataParcel.WriteString16(pduU16);
68    dataParcel.RewindRead(0);
69
70    DelayedSingleton<SmsService>::GetInstance()->OnUpdateSimMessage(dataParcel, replyParcel, option);
71
72    std::shared_ptr<SmsInterfaceManager> interfaceManager = std::make_shared<SmsInterfaceManager>(slotId);
73    if (interfaceManager == nullptr) {
74        TELEPHONY_LOGE("interfaceManager nullptr error");
75        return;
76    }
77    interfaceManager->InitInterfaceManager();
78    interfaceManager->UpdateSimMessage(size, status, pdu, smsc);
79
80    std::shared_ptr<SmsMiscManager> smsMiscManager = std::make_shared<SmsMiscManager>(slotId);
81    if (smsMiscManager == nullptr) {
82        TELEPHONY_LOGE("smsMiscManager nullptr error");
83        return;
84    }
85    smsMiscManager->UpdateSimMessage(size, status, pdu, smsc);
86}
87
88void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
89{
90    if (data == nullptr || size == 0) {
91        return;
92    }
93
94    UpdateSimMessage(data, size);
95    DelayedSingleton<SmsService>::DestroyInstance();
96}
97}  // namespace OHOS
98
99/* Fuzzer entry point */
100extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
101{
102    /* Run your code on data */
103    OHOS::AddSmsTokenFuzzer token;
104    OHOS::DoSomethingInterestingWithMyAPI(data, size);
105    return 0;
106}
107