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UDPHeader.h
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UDPHeader.h
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/***************************************************************************
* *
* _ _____ ____ *
* /\ | | | __ \ /\ | _ \ /\ *
* / \ | | | | | | / \ | |_) | / \ *
* / /\ \ | | | | | | / /\ \ | _ < / /\ \ *
* / ____ \ | |___ | |__| / / ____ \ | |_) / / ____ \ *
* /_/ \_\ | ____| |_____/ /_/ \_\ |____/ /_/ \_\ *
* *
* == {Port Knocking/Single Packet Authorization} Security Suite == *
* *
***************************************************************************
* *
* This file is part of Aldaba Knocking Suite. *
* *
* Copyright (c) 2010, Luis MartinGarcia. (aldabaknocking@gmail.com) *
* *
* Aldaba is free software; you can redistribute it and/or modify it under *
* the terms of the GNU General Public License as published by the Free *
* Software Foundation; Version 2 of the License, with the exceptions, *
* conditions and clarifications described in the file named LICENSE.txt, *
* distributed with Aldaba or available from: *
* <http://www.aldabaknocking.com/LICENSE.txt> *
* *
* Aldaba is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
* v2.0 for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with Aldaba; if not, write to the Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
* *
* Please check file LICENSE.txt for the complete version of the license, *
* as this disclaimer does not contain the complete information. Also, note*
* that although Aldaba is licensed under the GNU GPL v2.0 license, it may *
* be possible to obtain copies of it under different, less restrictive, *
* alternative licenses. Requests will be studied on a case by case basis. *
* If you wish to obtain Aldaba under a different license, please use the *
* email address shown above. *
* *
***************************************************************************/
#ifndef UDPHEADER_H
#define UDPHEADER_H 1
#include "TransportLayerElement.h"
#define UDP_HEADER_LEN 8
class UDPHeader : public TransportLayerElement {
private:
struct my_udp_hdr{
u16 uh_sport;
u16 uh_dport;
u16 uh_ulen;
u16 uh_sum;
}h;
public:
UDPHeader();
~UDPHeader();
void reset();
u8 *getBufferPointer();
int storeRecvData(const u8 *buf, size_t len);
int validate();
int setSrcPort(u16 p);
u16 getSrcPort();
int setDstPort(u16 p);
u16 getDstPort();
int setTotalLength();
int setTotalLength(u16 l);
u16 getTotalLength();
int setSum(u32 source, u32 destination);
int setSum(u16 s);
u16 getSum();
}; /* End of class UDPHeader */
#endif