1 /*
2 * Copyright (c) 2025 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 "simmanager_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 "napi_util.h"
26 #include "system_ability_definition.h"
27 #include "tel_event_handler.h"
28 #include "unistd.h"
29 #include "tel_ril_manager.h"
30 #include "sim_state_type.h"
31 #include "sim_manager.h"
32 #include "operator_config_cache.h"
33 #include "voice_mail_constants.h"
34
35 using namespace OHOS::Telephony;
36 namespace OHOS {
37 constexpr int32_t SLOT_NUM = 2;
38 constexpr int32_t SLEEP_TIME_SECONDS = 100000;
39
GetInt(const uint8_t * data,size_t size,int index=0)40 static int32_t GetInt(const uint8_t *data, size_t size, int index = 0)
41 {
42 size_t typeSize = sizeof(int32_t);
43 uintptr_t align = reinterpret_cast<uintptr_t>(data) % typeSize;
44 const uint8_t *base = data + (align > 0 ? typeSize - align : 0);
45 if (size - align < typeSize * index + (typeSize - align)) {
46 return 0;
47 }
48 return *reinterpret_cast<const int32_t*>(base + index * typeSize);
49 }
50
SimManagerFunc(const uint8_t * data,size_t size)51 void SimManagerFunc(const uint8_t *data, size_t size)
52 {
53 int index = 0;
54 auto telRilManager = std::make_shared<TelRilManager>();
55 auto simManager = std::make_shared<SimManager>(telRilManager);
56 std::vector<std::shared_ptr<Telephony::SimStateManager>> simStateManager = { nullptr, nullptr };
57 std::vector<std::shared_ptr<Telephony::SimFileManager>> simFileManager = { nullptr, nullptr };
58 auto multiSimController = std::make_shared<MultiSimController>(telRilManager, simStateManager, simFileManager);
59 std::vector<std::weak_ptr<Telephony::SimFileManager>> simFileManagers;
60 auto multiSimMonitor = std::make_shared<MultiSimMonitor>(multiSimController, simStateManager, simFileManagers);
61 simManager->multiSimController_ = multiSimController;
62 simManager->multiSimMonitor_ = multiSimMonitor;
63 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM + 2);
64 [[maybe_unused]] int32_t slotCount = GetInt(data, size, index++);
65 int32_t voiceMailCount = GetInt(data, size, index++);
66 bool hasOperatorPrivileges = true;
67 simManager->SetDefaultVoiceSlotId(slotId);
68 simManager->SetDefaultSmsSlotId(slotId);
69 simManager->SetDefaultCellularDataSlotId(slotId);
70 simManager->SetPrimarySlotId(slotId, true);
71 simManager->GetDefaultVoiceSimId(slotId);
72 simManager->GetDefaultSmsSlotId();
73 simManager->GetDefaultSmsSimId(slotId);
74 simManager->GetDefaultCellularDataSlotId();
75 simManager->GetDefaultCellularDataSimId(slotId);
76 simManager->UpdateOperatorConfigs(slotId);
77 simManager->HasOperatorPrivileges(slotId, hasOperatorPrivileges);
78 simManager->ResetSimLoadAccount(slotId);
79 simManager->InsertEsimData(std::string(reinterpret_cast<const char *>(data), size), voiceMailCount,
80 std::string(reinterpret_cast<const char *>(data), size));
81 simManager->SetSimLabelIndex(std::string(reinterpret_cast<const char *>(data), size), voiceMailCount);
82 simManager->SaveImsSwitch(slotId, voiceMailCount);
83 simManager->QueryImsSwitch(slotId, voiceMailCount);
84 simManager->IsSetPrimarySlotIdInProgress();
85 simManager->SavePrimarySlotId(slotId);
86 simManager->GetPrimarySlotId(slotId);
87 }
88
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)89 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
90 {
91 if (data == nullptr || size == 0) {
92 return;
93 }
94
95 SimManagerFunc(data, size);
96 auto telRilManager = std::static_pointer_cast<TelRilManager>(
97 DelayedSingleton<CoreService>::GetInstance()->telRilManager_);
98 if (telRilManager == nullptr || telRilManager->handler_ == nullptr) {
99 return;
100 }
101 auto handler = telRilManager->handler_;
102 if (handler != nullptr) {
103 handler->RemoveAllEvents();
104 usleep(SLEEP_TIME_SECONDS);
105 }
106 telRilManager->handler_->ClearFfrt(false);
107 telRilManager->handler_->queue_ = nullptr;
108 return;
109 }
110 } // namespace OHOS
111
112 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)113 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
114 {
115 OHOS::AddCoreServiceTokenFuzzer token;
116 return 0;
117 }
118
119 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)120 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
121 {
122 /* Run your code on data */
123 OHOS::DoSomethingInterestingWithMyAPI(data, size);
124 return 0;
125 }