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/***************************************************************************
* ARPHeader.h -- The ARPHeader Class represents an ARP packet. It *
* contains methods to set any header field. In general, these methods do *
* error checkings and byte order conversion. *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
* *
* The Nmap Security Scanner is (C) 1996-2012 Insecure.Com LLC. Nmap is *
* also a registered trademark of Insecure.Com LLC. This program is free *
* software; you may redistribute and/or modify it under the terms of the *
* GNU General Public License as published by the Free Software *
* Foundation; Version 2 with the clarifications and exceptions described *
* below. This guarantees your right to use, modify, and redistribute *
* this software under certain conditions. If you wish to embed Nmap *
* technology into proprietary software, we sell alternative licenses *
* (contact sales@insecure.com). Dozens of software vendors already *
* license Nmap technology such as host discovery, port scanning, OS *
* detection, version detection, and the Nmap Scripting Engine. *
* *
* Note that the GPL places important restrictions on "derived works", yet *
* it does not provide a detailed definition of that term. To avoid *
* misunderstandings, we interpret that term as broadly as copyright law *
* allows. For example, we consider an application to constitute a *
* "derivative work" for the purpose of this license if it does any of the *
* following: *
* o Integrates source code from Nmap *
* o Reads or includes Nmap copyrighted data files, such as *
* nmap-os-db or nmap-service-probes. *
* o Executes Nmap and parses the results (as opposed to typical shell or *
* execution-menu apps, which simply display raw Nmap output and so are *
* not derivative works.) *
* o Integrates/includes/aggregates Nmap into a proprietary executable *
* installer, such as those produced by InstallShield. *
* o Links to a library or executes a program that does any of the above *
* *
* The term "Nmap" should be taken to also include any portions or derived *
* works of Nmap, as well as other software we distribute under this *
* license such as Zenmap, Ncat, and Nping. This list is not exclusive, *
* but is meant to clarify our interpretation of derived works with some *
* common examples. Our interpretation applies only to Nmap--we don't *
* speak for other people's GPL works. *
* *
* If you have any questions about the GPL licensing restrictions on using *
* Nmap in non-GPL works, we would be happy to help. As mentioned above, *
* we also offer alternative license to integrate Nmap into proprietary *
* applications and appliances. These contracts have been sold to dozens *
* of software vendors, and generally include a perpetual license as well *
* as providing for priority support and updates. They also fund the *
* continued development of Nmap. Please email sales@insecure.com for *
* further information. *
* *
* As a special exception to the GPL terms, Insecure.Com LLC grants *
* permission to link the code of this program with any version of the *
* OpenSSL library which is distributed under a license identical to that *
* listed in the included docs/licenses/OpenSSL.txt file, and distribute *
* linked combinations including the two. You must obey the GNU GPL in all *
* respects for all of the code used other than OpenSSL. If you modify *
* this file, you may extend this exception to your version of the file, *
* but you are not obligated to do so. *
* *
* If you received these files with a written license agreement or *
* contract stating terms other than the terms above, then that *
* alternative license agreement takes precedence over these comments. *
* *
* Source is provided to this software because we believe users have a *
* right to know exactly what a program is going to do before they run it. *
* This also allows you to audit the software for security holes (none *
* have been found so far). *
* *
* Source code also allows you to port Nmap to new platforms, fix bugs, *
* and add new features. You are highly encouraged to send your changes *
* to nmap-dev@insecure.org for possible incorporation into the main *
* distribution. By sending these changes to Fyodor or one of the *
* Insecure.Org development mailing lists, or checking them into the Nmap *
* source code repository, it is understood (unless you specify otherwise) *
* that you are offering the Nmap Project (Insecure.Com LLC) the *
* unlimited, non-exclusive right to reuse, modify, and relicense the *
* code. Nmap will always be available Open Source, but this is important *
* because the inability to relicense code has caused devastating problems *
* for other Free Software projects (such as KDE and NASM). We also *
* occasionally relicense the code to third parties as discussed above. *
* If you wish to specify special license conditions of your *
* contributions, just say so when you send them. *
* *
* This program 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 at *
* http://www.gnu.org/licenses/gpl-2.0.html , or in the COPYING file *
* included with Nmap. *
* *
***************************************************************************/
/* This code was originally part of the Nping tool. */
#ifndef __ARPHEADER_H__
#define __ARPHEADER_H__ 1
#include "NetworkLayerElement.h"
/* Lengths */
#define ARP_HEADER_LEN 28
#define IPv4_ADDRESS_LEN 4
#define ETH_ADDRESS_LEN 6
/* Hardware Types */
#define HDR_RESERVED 0 /* [RFC5494] */
#define HDR_ETH10MB 1 /* Ethernet (10Mb) */
#define HDR_ETH3MB 2 /* Experimental Ethernet (3Mb) */
#define HDR_AX25 3 /* Amateur Radio AX.25 */
#define HDR_PRONET_TR 4 /* Proteon ProNET Token Ring */
#define HDR_CHAOS 5 /* Chaos */
#define HDR_IEEE802 6 /* IEEE 802 Networks */
#define HDR_ARCNET 7 /* ARCNET [RFC1201] */
#define HDR_HYPERCHANNEL 8 /* Hyperchannel */
#define HDR_LANSTAR 9 /* Lanstar */
#define HDR_AUTONET 10 /* Autonet Short Address */
#define HDR_LOCALTALK 11 /* LocalTalk */
#define HDR_LOCALNET 12 /* LocalNet (IBM PCNet or SYTEK LocalNET) */
#define HDR_ULTRALINK 13 /* Ultra link */
#define HDR_SMDS 14 /* SMDS */
#define HDR_FRAMERELAY 15 /* Frame Relay */
#define HDR_ATM 16 /* Asynchronous Transmission Mode (ATM) */
#define HDR_HDLC 17 /* HDLC */
#define HDR_FIBRE 18 /* Fibre Channel [RFC4338] */
#define HDR_ATMb 19 /* Asynchronous Transmission Mode (ATM) */
#define HDR_SERIAL 20 /* Serial Line */
#define HDR_ATMc 21 /* Asynchronous Transmission Mode [RFC2225] */
#define HDR_MILSTD 22 /* MIL-STD-188-220 */
#define HDR_METRICOM 23 /* Metricom */
#define HDR_IEEE1394 24 /* IEEE 1394.199 */
#define HDR_MAPOS 25 /* MAPOS [RFC2176] */
#define HDR_TWINAXIAL 26 /* Twinaxial */
#define HDR_EUI64 27 /* EUI-64 */
#define HDR_HIPARP 28 /* HIPARP */
#define HDR_ISO7816 29 /* IP and ARP over ISO 7816-3 */
#define HDR_ARPSEC 30 /* ARPSec */
#define HDR_IPSEC 31 /* IPsec tunnel */
#define HDR_INFINIBAND 32 /* InfiniBand (TM) */
#define HDR_TIA102 33 /* TIA-102 Project 25 Common Air Interface */
#define HDR_WIEGAND 34 /* Wiegand Interface */
#define HDR_PUREIP 35 /* Pure IP */
#define HDR_HW_EXP1 36 /* HW_EXP1 [RFC5494] */
#define HDR_HW_EXP2 37 /* HW_EXP2 [RFC5494] */
/* Operation Codes */
#define OP_ARP_REQUEST 1 /* ARP Request */
#define OP_ARP_REPLY 2 /* ARP Reply */
#define OP_RARP_REQUEST 3 /* Reverse ARP Request */
#define OP_RARP_REPLY 4 /* Reverse ARP Reply */
#define OP_DRARP_REQUEST 5 /* DRARP-Request */
#define OP_DRARP_REPLY 6 /* DRARP-Reply */
#define OP_DRARP_ERROR 7 /* DRARP-Error */
#define OP_INARP_REQUEST 8 /* InARP-Request */
#define OP_INARP_REPLY 9 /* InARP-Reply */
#define OP_ARPNAK 10 /* ARP-NAK */
#define OP_MARS_REQUEST 11 /* MARS-Request */
#define OP_MARS_MULTI 12 /* MARS-Multi */
#define OP_MARS_MSERV 13 /* MARS-MServ */
#define OP_MARS_JOIN 14 /* MARS-Join */
#define OP_MARS_LEAVE 15 /* MARS-Leave */
#define OP_MARS_NAK 16 /* MARS-NAK */
#define OP_MARS_UNSERV 17 /* MARS-Unserv */
#define OP_MARS_SJOIN 18 /* MARS-SJoin */
#define OP_MARS_SLEAVE 19 /* MARS-SLeave */
#define OP_MARS_GL_REQ 20 /* MARS-Grouplist-Request */
#define OP_MARS_GL_REP 21 /* MARS-Grouplist-Reply */
#define OP_MARS_REDIR_MAP 22 /* MARS-Redirect-Map */
#define OP_MAPOS_UNARP 23 /* MAPOS-UNARP [RFC2176] */
#define OP_EXP1 24 /* OP_EXP1 [RFC5494] */
#define OP_EXP2 25 /* OP_EXP2 [RFC5494] */
#define OP_RESERVED 65535 /* Reserved [RFC5494] */
class ARPHeader : public NetworkLayerElement {
private:
struct nping_arp_hdr{
u16 ar_hrd; /* Hardware Type. */
u16 ar_pro; /* Protocol Type. */
u8 ar_hln; /* Hardware Address Length. */
u8 ar_pln; /* Protocol Address Length. */
u16 ar_op; /* Operation Code. */
u8 data[20];
// Cannot use these because the fucking alignment screws up
// everything. I miss ANSI C.
//u8 ar_sha[6]; /* Sender Hardware Address. */
//u32 ar_sip; /* Sender Protocol Address (IPv4 address). */
//u8 ar_tha[6]; /* Target Hardware Address. */
//u32 ar_tip; /* Target Protocol Address (IPv4 address). */
}__attribute__((__packed__));
typedef struct nping_arp_hdr nping_arp_hdr_t;
nping_arp_hdr_t h;
public:
/* Misc */
ARPHeader();
~ARPHeader();
void reset();
u8 *getBufferPointer();
int storeRecvData(const u8 *buf, size_t len);
int protocol_id() const;
int validate();
int print(FILE *output, int detail) const;
/* Hardware Type */
int setHardwareType(u16 t);
int setHardwareType();
u16 getHardwareType();
/* Protocol Type */
int setProtocolType(u16 t);
int setProtocolType();
u16 getProtocolType();
/* Hardware Address Length */
int setHwAddrLen(u8 v);
int setHwAddrLen();
u8 getHwAddrLen();
/* Hardware Address Length */
int setProtoAddrLen(u8 v);
int setProtoAddrLen();
u8 getProtoAddrLen();
/* Operation Code */
int setOpCode(u16 c);
u16 getOpCode();
/* Sender Hardware Address */
int setSenderMAC(const u8 *m);
u8 *getSenderMAC();
/* Sender Protocol address */
int setSenderIP(struct in_addr i);
u32 getSenderIP();
/* Target Hardware Address */
int setTargetMAC(u8 *m);
u8 *getTargetMAC();
/* Target Protocol Address */
int setTargetIP(struct in_addr i);
u32 getTargetIP();
}; /* End of class ARPHeader */
#endif /* __ARPHEADER_H__ */
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