79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* $OpenBSD: print-enc.c,v 1.7 2002/02/19 19:39:40 millert Exp $ */
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/*
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* Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996
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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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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/tcpdump/print-enc.c,v 1.1.2.2 2003/11/16 08:51:19 guy Exp $ (LBL)";
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tcpdump-stdinc.h>
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#include <pcap.h>
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#include "interface.h"
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#include "addrtoname.h"
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#include "enc.h"
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#define ENC_PRINT_TYPE(wh, xf, nam) \
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if ((wh) & (xf)) { \
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printf("%s%s", nam, (wh) == (xf) ? "): " : ","); \
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(wh) &= ~(xf); \
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}
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u_int
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enc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
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{
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register u_int length = h->len;
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register u_int caplen = h->caplen;
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int flags;
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const struct enchdr *hdr;
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if (caplen < ENC_HDRLEN) {
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printf("[|enc]");
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goto out;
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}
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hdr = (struct enchdr *)p;
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flags = hdr->flags;
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if (flags == 0)
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printf("(unprotected): ");
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else
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printf("(");
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ENC_PRINT_TYPE(flags, M_AUTH, "authentic");
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ENC_PRINT_TYPE(flags, M_CONF, "confidential");
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/* ENC_PRINT_TYPE(flags, M_TUNNEL, "tunnel"); */
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printf("SPI 0x%08x: ", (u_int32_t)ntohl(hdr->spi));
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length -= ENC_HDRLEN;
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/* XXX - use the address family */
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ip_print(p + ENC_HDRLEN, length);
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out:
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return (ENC_HDRLEN);
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}
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