156893Sfenner/* 256893Sfenner * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994 356893Sfenner * The Regents of the University of California. All rights reserved. 456893Sfenner * 556893Sfenner * Redistribution and use in source and binary forms, with or without 656893Sfenner * modification, are permitted provided that: (1) source code distributions 756893Sfenner * retain the above copyright notice and this paragraph in its entirety, (2) 856893Sfenner * distributions including binary code include the above copyright notice and 956893Sfenner * this paragraph in its entirety in the documentation or other materials 1056893Sfenner * provided with the distribution, and (3) all advertising materials mentioning 1156893Sfenner * features or use of this software display the following acknowledgement: 1256893Sfenner * ``This product includes software developed by the University of California, 1356893Sfenner * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 1456893Sfenner * the University nor the names of its contributors may be used to endorse 1556893Sfenner * or promote products derived from this software without specific prior 1656893Sfenner * written permission. 1756893Sfenner * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 1856893Sfenner * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 1956893Sfenner * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 2056893Sfenner */ 2156893Sfenner 2256893Sfenner#ifndef lint 23127668Sbmsstatic const char rcsid[] _U_ = 24190207Srpaulo "@(#) $Header: /tcpdump/master/tcpdump/print-frag6.c,v 1.20 2005-04-20 22:33:06 guy Exp $"; 2556893Sfenner#endif 2656893Sfenner 2756893Sfenner#ifdef HAVE_CONFIG_H 2856893Sfenner#include "config.h" 2956893Sfenner#endif 3056893Sfenner 3156893Sfenner#ifdef INET6 3256893Sfenner 33127668Sbms#include <tcpdump-stdinc.h> 3456893Sfenner 3556893Sfenner#include <stdio.h> 3656893Sfenner 3775115Sfenner#include "ip6.h" 3856893Sfenner 3956893Sfenner#include "interface.h" 4056893Sfenner#include "addrtoname.h" 41127668Sbms#include "extract.h" 4256893Sfenner 4356893Sfennerint 4456893Sfennerfrag6_print(register const u_char *bp, register const u_char *bp2) 4556893Sfenner{ 4656893Sfenner register const struct ip6_frag *dp; 4756893Sfenner register const struct ip6_hdr *ip6; 4856893Sfenner 4998524Sfenner dp = (const struct ip6_frag *)bp; 5098524Sfenner ip6 = (const struct ip6_hdr *)bp2; 5156893Sfenner 5256893Sfenner TCHECK(dp->ip6f_offlg); 5356893Sfenner 5456893Sfenner if (vflag) { 5556893Sfenner printf("frag (0x%08x:%d|%ld)", 56127668Sbms EXTRACT_32BITS(&dp->ip6f_ident), 57127668Sbms EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK, 58127668Sbms sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) - 5956893Sfenner (long)(bp - bp2) - sizeof(struct ip6_frag)); 6056893Sfenner } else { 6156893Sfenner printf("frag (%d|%ld)", 62127668Sbms EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK, 63127668Sbms sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) - 6456893Sfenner (long)(bp - bp2) - sizeof(struct ip6_frag)); 6556893Sfenner } 6656893Sfenner 6775115Sfenner#if 1 6856893Sfenner /* it is meaningless to decode non-first fragment */ 69127668Sbms if ((EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK) != 0) 70127668Sbms return -1; 7156893Sfenner else 7256893Sfenner#endif 7356893Sfenner { 7456893Sfenner fputs(" ", stdout); 7556893Sfenner return sizeof(struct ip6_frag); 7656893Sfenner } 7756893Sfennertrunc: 7856893Sfenner fputs("[|frag]", stdout); 79127668Sbms return -1; 8056893Sfenner#undef TCHECK 8156893Sfenner} 8256893Sfenner#endif /* INET6 */ 83