100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/* $NetBSD: print-esp.c,v 1.4 2001/01/28 10:05:06 itojun Exp $ */
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/*
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* Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef lint
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#if 0
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static const char rcsid[] =
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"@(#) /master/usr.sbin/tcpdump/tcpdump/print-icmp.c,v 2.1 1995/02/03 18:14:42 polk Exp (LBL)";
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#else
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: print-esp.c,v 1.4 2001/01/28 10:05:06 itojun Exp $");
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#endif
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#endif
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#include <string.h>
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/route.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_icmp.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#include <netinet/tcp.h>
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#ifdef CRYPTO
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#include <des.h>
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#include <blowfish.h>
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#ifdef HAVE_RC5_H
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#include <rc5.h>
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#endif
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#ifdef HAVE_CAST_H
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#include <cast.h>
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#endif
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#endif
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#include <stdio.h>
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#ifdef INET6
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#include <netinet/ip6.h>
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#endif
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#include <netinet6/esp.h>
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#include "interface.h"
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#include "addrtoname.h"
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int
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esp_print(register const u_char *bp, register const u_char *bp2, int *nhdr)
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{
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register const struct esp *esp;
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register const u_char *ep;
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u_int32_t spi;
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esp = (struct esp *)bp;
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spi = (u_int32_t)ntohl(esp->esp_spi);
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/* 'ep' points to the end of available data. */
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ep = snapend;
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if ((u_char *)(esp + 1) >= ep - sizeof(struct esp)) {
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fputs("[|ESP]", stdout);
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goto fail;
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}
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printf("ESP(spi=0x%08x", spi);
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printf(",seq=0x%x", (u_int32_t)ntohl(*(u_int32_t *)(esp + 1)));
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printf(")");
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fail:
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if (nhdr)
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*nhdr = -1;
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return 65536;
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}
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