/*

 * Copyright (c) 2024 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include "uiabilitylifecyclemanagerb_fuzzer.h"



#include <cstddef>

#include <cstdint>



#define private public

#include "ui_ability_lifecycle_manager.h"

#undef private



#include "ability_record.h"

#include "ability_state.h"



using namespace OHOS::AAFwk;

using namespace OHOS::AppExecFwk;



namespace OHOS {

namespace {

constexpr int INPUT_ZERO = 0;

constexpr int INPUT_ONE = 1;

constexpr int INPUT_TWO = 2;

constexpr int INPUT_THREE = 3;

constexpr size_t U32_AT_SIZE = 4;

constexpr size_t OFFSET_ZERO = 24;

constexpr size_t OFFSET_ONE = 16;

constexpr size_t OFFSET_TWO = 8;

constexpr uint8_t ENABLE = 2;

} // namespace



uint32_t GetU32Data(const char* ptr)

{

    // convert fuzz input data to an integer

    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |

        ptr[INPUT_THREE];

}



sptr<Token> GetFuzzAbilityToken()

{

    sptr<Token> token = nullptr;

    AbilityRequest abilityRequest;

    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";

    abilityRequest.abilityInfo.name = "MainAbility";

    abilityRequest.abilityInfo.type = AbilityType::DATA;

    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);

    if (abilityRecord) {

        token = abilityRecord->GetToken();

    }

    return token;

}



void DoSomethingInterestingWithMyAPI1(const char *data, size_t size)

{

    int32_t userId = static_cast<int32_t>(GetU32Data(data));

    auto uIAbilityLifecycleManager = std::make_shared<UIAbilityLifecycleManager>(userId);

    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));

    bool boolParam = *data % ENABLE;

    uIAbilityLifecycleManager->CompleteFirstFrameDrawing(int32Param);

    uIAbilityLifecycleManager->GetAbilityStateByPersistentId(int32Param, boolParam);

    AbilityRequest abilityRequest1;

    uIAbilityLifecycleManager->GetPersistentIdByAbilityRequest(abilityRequest1, boolParam);

    abilityRequest1.collaboratorType = CollaboratorType::RESERVE_TYPE;

    if (abilityRequest1.collaboratorType == CollaboratorType::RESERVE_TYPE) {

        uIAbilityLifecycleManager->GetPersistentIdByAbilityRequest(abilityRequest1, boolParam);

    }



    abilityRequest1.abilityInfo.launchMode = AppExecFwk::LaunchMode::SPECIFIED;

    if (abilityRequest1.abilityInfo.launchMode == AppExecFwk::LaunchMode::SPECIFIED) {

        uIAbilityLifecycleManager->GetPersistentIdByAbilityRequest(abilityRequest1, boolParam);

    }



    abilityRequest1.abilityInfo.launchMode = AppExecFwk::LaunchMode::STANDARD;

    if (abilityRequest1.abilityInfo.launchMode == AppExecFwk::LaunchMode::STANDARD) {

        uIAbilityLifecycleManager->GetPersistentIdByAbilityRequest(abilityRequest1, boolParam);

    }



    uIAbilityLifecycleManager->GetReusedSpecifiedPersistentId(abilityRequest1, boolParam);

    abilityRequest1.abilityInfo.launchMode = AppExecFwk::LaunchMode::SPECIFIED;

    if (abilityRequest1.abilityInfo.launchMode == AppExecFwk::LaunchMode::SPECIFIED) {

        uIAbilityLifecycleManager->GetReusedSpecifiedPersistentId(abilityRequest1, boolParam);

    }

}

bool DoSomethingInterestingWithMyAPI(const char *data, size_t size)

{

    int32_t userId = static_cast<int32_t>(GetU32Data(data));

    auto uIAbilityLifecycleManager = std::make_shared<UIAbilityLifecycleManager>(userId);

    std::string strParam(data, size);

    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));

    uIAbilityLifecycleManager->UninstallApp(strParam, int32Param);

    std::vector<AbilityRunningInfo> info;

    bool boolParam = *data % ENABLE;

    uIAbilityLifecycleManager->GetAbilityRunningInfos(info, boolParam);

    int intParam = static_cast<int>(GetU32Data(data));



    std::vector<std::string> info1;

    uIAbilityLifecycleManager->Dump(info1);

    uIAbilityLifecycleManager->DumpMissionList(info1, boolParam, strParam);

    std::vector<std::string> params;

    uIAbilityLifecycleManager->DumpMissionListByRecordId(info1, boolParam, int32Param, params);

    std::shared_ptr<StartOptions> startOptions;

    uIAbilityLifecycleManager->MoveMissionToFront(int32Param, startOptions);

    AbilityRequest abilityRequest;

    std::shared_ptr<AbilityRecord> targetRecord;

    uIAbilityLifecycleManager->IsAbilityStarted(abilityRequest, targetRecord);

    std::list<SessionInfo> sessionInfos;

    std::vector<int32_t> sessionIds;

    uIAbilityLifecycleManager->UpdateSessionInfoBySCB(sessionInfos, sessionIds);

    uIAbilityLifecycleManager->IsCallerInStatusBar("");

    std::vector<int32_t> pids;

    uIAbilityLifecycleManager->TryPrepareTerminateByPids(pids, false);

    sptr<IRemoteObject> token = GetFuzzAbilityToken();

    uIAbilityLifecycleManager->ChangeAbilityVisibility(token, boolParam);

    sptr<SessionInfo> sessionInfo;

    uIAbilityLifecycleManager->ChangeUIAbilityVisibilityBySCB(sessionInfo, boolParam);

    AppExecFwk::ElementName element;

    uIAbilityLifecycleManager->GetAbilityRecordsByName(element, int32Param);

    uIAbilityLifecycleManager->GetAbilityRecordByToken(token);



    #ifdef SUPPORT_GRAPHICS

    uIAbilityLifecycleManager->CompleteFirstFrameDrawing(token);

    #endif

    DoSomethingInterestingWithMyAPI1(data, size);



    return true;

}

} // namespace OHOS



/* Fuzzer entry point */

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

    /* Run your code on data */

    if (data == nullptr) {

        std::cout << "invalid data" << std::endl;

        return 0;

    }



    /* Validate the length of size */

    if (size < OHOS::U32_AT_SIZE) {

        return 0;

    }



    char *ch = static_cast<char*>(malloc(size + 1));

    if (ch == nullptr) {

        std::cout << "malloc failed." << std::endl;

        return 0;

    }



    (void)memset_s(ch, size + 1, 0x00, size + 1);

    if (memcpy_s(ch, size + 1, data, size) != EOK) {

        std::cout << "copy failed." << std::endl;

        free(ch);

        ch = nullptr;

        return 0;

    }



    OHOS::DoSomethingInterestingWithMyAPI(ch, size);

    free(ch);

    ch = nullptr;

    return 0;

}