b636d99d91
For now, printing of Sun RPC requests is disabled because we do not yet have the RPC header files. This should affect basically noone, as we do not have any RPC-based programs yet, for the same reason. Change-Id: Ie7818faaaacdc104d8b2c37a68866b4ce18247d6
119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/*
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* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
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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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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: print-symantec.c,v 1.4 2014/11/20 03:05:03 christos Exp $");
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#endif
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#define NETDISSECT_REWORKED
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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 "interface.h"
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#include "extract.h"
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#include "ethertype.h"
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#include "ether.h"
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struct symantec_header {
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uint8_t stuff1[6];
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uint16_t ether_type;
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uint8_t stuff2[36];
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};
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static inline void
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symantec_hdr_print(netdissect_options *ndo, register const u_char *bp, u_int length)
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{
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register const struct symantec_header *sp;
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uint16_t etype;
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sp = (const struct symantec_header *)bp;
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etype = EXTRACT_16BITS(&sp->ether_type);
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if (!ndo->ndo_qflag) {
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if (etype <= ETHERMTU)
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ND_PRINT((ndo, "invalid ethertype %u", etype));
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else
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ND_PRINT((ndo, "ethertype %s (0x%04x)",
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tok2str(ethertype_values,"Unknown", etype),
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etype));
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} else {
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if (etype <= ETHERMTU)
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ND_PRINT((ndo, "invalid ethertype %u", etype));
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else
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ND_PRINT((ndo, "%s", tok2str(ethertype_values,"Unknown Ethertype (0x%04x)", etype)));
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}
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ND_PRINT((ndo, ", length %u: ", length));
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}
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/*
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* This is the top level routine of the printer. 'p' points
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* to the ether header of the packet, 'h->ts' is the timestamp,
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* 'h->len' is the length of the packet off the wire, and 'h->caplen'
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* is the number of bytes actually captured.
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*/
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u_int
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symantec_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
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{
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u_int length = h->len;
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u_int caplen = h->caplen;
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struct symantec_header *sp;
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u_short ether_type;
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if (caplen < sizeof (struct symantec_header)) {
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ND_PRINT((ndo, "[|symantec]"));
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return caplen;
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}
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if (ndo->ndo_eflag)
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symantec_hdr_print(ndo, p, length);
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length -= sizeof (struct symantec_header);
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caplen -= sizeof (struct symantec_header);
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sp = (struct symantec_header *)p;
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p += sizeof (struct symantec_header);
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ether_type = EXTRACT_16BITS(&sp->ether_type);
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if (ether_type <= ETHERMTU) {
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/* ether_type not known, print raw packet */
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if (!ndo->ndo_eflag)
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symantec_hdr_print(ndo, (u_char *)sp, length + sizeof (struct symantec_header));
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if (!ndo->ndo_suppress_default_print)
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ND_DEFAULTPRINT(p, caplen);
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} else if (ethertype_print(ndo, ether_type, p, length, caplen) == 0) {
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/* ether_type not known, print raw packet */
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if (!ndo->ndo_eflag)
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symantec_hdr_print(ndo, (u_char *)sp, length + sizeof (struct symantec_header));
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if (!ndo->ndo_suppress_default_print)
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ND_DEFAULTPRINT(p, caplen);
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}
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return (sizeof (struct symantec_header));
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}
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