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 #define private public
16 #define protected public
17 #include "input_method_system_ability.h"
18 #include "input_method_system_ability_proxy.h"
19 #undef private
20 
21 #include <atomic>
22 #include <cstddef>
23 #include <cstdint>
24 #include <string_ex.h>
25 
26 #include "accesstoken_kit.h"
27 #include "global.h"
28 #include "ime_cfg_manager.h"
29 #include "input_method_controller.h"
30 #include "iservice_registry.h"
31 #include "message_parcel.h"
32 #include "nativetoken_kit.h"
33 #include "system_ability_definition.h"
34 #include "inputmethodsystemability_fuzzer.h"
35 #include "text_listener.h"
36 #include "token_setproc.h"
37 
38 using namespace OHOS::MiscServices;
39 namespace OHOS {
40 constexpr const int32_t MSG_ID_USER_ONE = 50;
41 constexpr const int32_t MSG_ID_USER_TWO = 60;
FuzzOnUser(int32_t userId,const std::string & packageName)42 void FuzzOnUser(int32_t userId, const std::string &packageName)
43 {
44     //onUserStarted
45     MessageParcel *parcel = new MessageParcel();
46     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->isScbEnable_ = false;
47     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->userId_ = MSG_ID_USER_ONE;
48     parcel->WriteInt32(MSG_ID_USER_ONE);
49     auto msg = std::make_shared<Message>(MessageID::MSG_ID_USER_START, parcel);
50     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->OnUserStarted(msg.get());
51 
52     //onUserRemoved
53     MessageParcel *parcel1 = new MessageParcel();
54     parcel1->WriteInt32(MSG_ID_USER_TWO);
55     auto msg1 = std::make_shared<Message>(MessageID::MSG_ID_USER_REMOVED, parcel1);
56     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->OnUserRemoved(msg1.get());
57 
58     //HandlePackageEvent
59     MessageParcel *parcel2 = new (std::nothrow) MessageParcel();
60     auto bundleName = "testBundleName1";
61     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->userId_ = MSG_ID_USER_TWO;
62     parcel2->WriteInt32(MSG_ID_USER_ONE);
63     parcel2->WriteString(bundleName);
64     auto msg2 = std::make_shared<Message>(MessageID::MSG_ID_PACKAGE_REMOVED, parcel2);
65     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->HandlePackageEvent(msg2.get());
66 
67     //OnPackageRemoved
68     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->userId_ = userId;
69     DelayedSingleton<InputMethodSystemAbility>::GetInstance()->OnPackageRemoved(userId, bundleName);
70 }
71 
72 } // namespace OHOS
73 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)74 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
75 {
76     /* Run your code on data */
77     const int32_t userId = static_cast<int32_t>(size);
78     std::string fuzzedString(reinterpret_cast<const char *>(data), size);
79 
80     OHOS::FuzzOnUser(userId, fuzzedString);
81     return 0;
82 }
83