linux-sgx-trts-modified/psw/ae/common/src/AEGetWhiteListSizeRequest.cpp

/*
 * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
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 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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#include <AEGetWhiteListSizeRequest.h>
#include <AEGetWhiteListSizeResponse.h>
#include <IAESMLogic.h>
#include <stdlib.h>
#include <limits.h>
#include <IAEMessage.h>

AEGetWhiteListSizeRequest::AEGetWhiteListSizeRequest(const aesm::message::Request::GetWhiteListSizeRequest& request) :
    m_request(NULL)
{
    m_request = new aesm::message::Request::GetWhiteListSizeRequest();
    m_request->CopyFrom(request);
}

AEGetWhiteListSizeRequest::AEGetWhiteListSizeRequest(uint32_t timeout)
    :m_request(NULL)
{
    m_request->set_timeout(timeout);
}

AEGetWhiteListSizeRequest::AEGetWhiteListSizeRequest(const AEGetWhiteListSizeRequest& other)
    :m_request(NULL)
{
    if (other.m_request != NULL)
        m_request = new aesm::message::Request::GetWhiteListSizeRequest(*other.m_request);
}

AEGetWhiteListSizeRequest::~AEGetWhiteListSizeRequest()
{
    if (m_request != NULL)
        delete m_request;
}

AEMessage* AEGetWhiteListSizeRequest::serialize(){
    AEMessage *ae_msg = NULL;
    aesm::message::Request msg;
    if (check())
    {
        aesm::message::Request::GetWhiteListSizeRequest* mutableReq = msg.mutable_getwhitelistsizereq();
        mutableReq->CopyFrom(*m_request);

        if (msg.ByteSize() <= INT_MAX) {
            ae_msg = new AEMessage;
            ae_msg->size = (unsigned int)msg.ByteSize();
            ae_msg->data = new char[ae_msg->size];
            msg.SerializeToArray(ae_msg->data, ae_msg->size);
        }
    }
    return ae_msg;
}

IAERequest::RequestClass AEGetWhiteListSizeRequest::getRequestClass() {
    return LAUNCH_CLASS;
}

AEGetWhiteListSizeRequest& AEGetWhiteListSizeRequest::operator=(const AEGetWhiteListSizeRequest& other)
{
    if (this == &other)
        return *this;
    if (m_request != NULL)
    {
        delete m_request;
        m_request = NULL;
    }
    if (other.m_request != NULL)
        m_request = new aesm::message::Request::GetWhiteListSizeRequest(*other.m_request);
    return *this;
}

bool AEGetWhiteListSizeRequest::check()
{
    if (m_request == NULL)
        return false;
    return m_request->IsInitialized();
}


IAEResponse* AEGetWhiteListSizeRequest::execute(IAESMLogic* aesmLogic) 
{
    aesm_error_t result = AESM_UNEXPECTED_ERROR;
    uint32_t white_list_size = 0;

    if (check())
    {
        result = aesmLogic->getWhiteListSize(&white_list_size);
    }

    AEGetWhiteListSizeResponse * response = new AEGetWhiteListSizeResponse((uint32_t)result, white_list_size);

    return response;
}