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      1 /*	$OpenBSD: print-enc.c,v 1.7 2002/02/19 19:39:40 millert Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that: (1) source code distributions
      9  * retain the above copyright notice and this paragraph in its entirety, (2)
     10  * distributions including binary code include the above copyright notice and
     11  * this paragraph in its entirety in the documentation or other materials
     12  * provided with the distribution, and (3) all advertising materials mentioning
     13  * features or use of this software display the following acknowledgement:
     14  * ``This product includes software developed by the University of California,
     15  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
     16  * the University nor the names of its contributors may be used to endorse
     17  * or promote products derived from this software without specific prior
     18  * written permission.
     19  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
     20  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
     21  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     22  */
     23 
     24 #ifndef lint
     25 static const char rcsid[] _U_ =
     26     "@(#) $Header: /tcpdump/master/tcpdump/print-enc.c,v 1.4 2005/04/06 21:32:39 mcr Exp $ (LBL)";
     27 #endif
     28 
     29 #ifdef HAVE_CONFIG_H
     30 #include "config.h"
     31 #endif
     32 
     33 #include <tcpdump-stdinc.h>
     34 
     35 #include <pcap.h>
     36 
     37 #include "interface.h"
     38 #include "addrtoname.h"
     39 
     40 #include "enc.h"
     41 
     42 #define ENC_PRINT_TYPE(wh, xf, nam) \
     43 	if ((wh) & (xf)) { \
     44 		printf("%s%s", nam, (wh) == (xf) ? "): " : ","); \
     45 		(wh) &= ~(xf); \
     46 	}
     47 
     48 u_int
     49 enc_if_print(const struct pcap_pkthdr *h, register const u_char *p)
     50 {
     51 	register u_int length = h->len;
     52 	register u_int caplen = h->caplen;
     53 	int flags;
     54 	const struct enchdr *hdr;
     55 
     56 	if (caplen < ENC_HDRLEN) {
     57 		printf("[|enc]");
     58 		goto out;
     59 	}
     60 
     61 	hdr = (struct enchdr *)p;
     62 	flags = hdr->flags;
     63 	if (flags == 0)
     64 		printf("(unprotected): ");
     65 	else
     66 		printf("(");
     67 	ENC_PRINT_TYPE(flags, M_AUTH, "authentic");
     68 	ENC_PRINT_TYPE(flags, M_CONF, "confidential");
     69 	/* ENC_PRINT_TYPE(flags, M_TUNNEL, "tunnel"); */
     70 	printf("SPI 0x%08x: ", (u_int32_t)ntohl(hdr->spi));
     71 
     72 	length -= ENC_HDRLEN;
     73 	/* XXX - use the address family */
     74 	ip_print(gndo, p + ENC_HDRLEN, length);
     75 
     76 out:
     77 	return (ENC_HDRLEN);
     78 }
     79 
     80 
     81 /*
     82  * Local Variables:
     83  * c-style: whitesmith
     84  * c-basic-offset: 8
     85  * End:
     86  */
     87