/*	$NetBSD: print-ah.c,v 1.4 1996/05/20 00:41:16 fvdl Exp $	*//* * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994 *	The Regents of the University of California.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code distributions * retain the above copyright notice and this paragraph in its entirety, (2) * distributions including binary code include the above copyright notice and * this paragraph in its entirety in the documentation or other materials * provided with the distribution, and (3) all advertising materials mentioning * features or use of this software display the following acknowledgement: * ``This product includes software developed by the University of California, * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of * the University nor the names of its contributors may be used to endorse * or promote products derived from this software without specific prior * written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */#ifndef lintstatic const char rcsid[] _U_ =    "@(#) $Header: /tcpdump/master/tcpdump/print-ah.c,v 1.22 2003-11-19 00:36:06 guy Exp $ (LBL)";#endif#ifdef HAVE_CONFIG_H#include "config.h"#endif#include <tcpdump-stdinc.h>#include <stdio.h>#include "ah.h"#include "interface.h"#include "addrtoname.h"#include "extract.h"intah_print(register const u_char *bp){	register const struct ah *ah;	register const u_char *ep;	int sumlen;	u_int32_t spi;	ah = (const struct ah *)bp;	ep = snapend;		/* 'ep' points to the end of available data. */	TCHECK(*ah);	sumlen = ah->ah_len << 2;	spi = EXTRACT_32BITS(&ah->ah_spi);	printf("AH(spi=0x%08x", spi);	if (vflag)		printf(",sumlen=%d", sumlen);	printf(",seq=0x%x", EXTRACT_32BITS(ah + 1));	if (bp + sizeof(struct ah) + sumlen > ep)		fputs("[truncated]", stdout);	fputs("): ", stdout);	return sizeof(struct ah) + sumlen; trunc:	fputs("[|AH]", stdout);	return -1;}