108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
/* packet-ipv6.c
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* Routines for IPv6 packet disassembly
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*
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* $Id: packet-ipv6.c,v 1.2 1998/09/16 03:22:05 gerald Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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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 <gtk/gtk.h>
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#include <pcap.h>
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include "ethereal.h"
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#include "packet.h"
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#include "packet-ipv6.h"
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#include "etypes.h"
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void
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dissect_ipv6(const u_char *pd, int offset, frame_data *fd, GtkTree *tree) {
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GtkWidget *ipv6_tree, *ti;
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e_ipv6_header ipv6;
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memcpy(&ipv6, (void *) &pd[offset], 8);
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if (fd->win_info[0]) {
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switch(ipv6.next_header){
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/*
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case IP_PROTO_ICMP:
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case IP_PROTO_IGMP:
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case IP_PROTO_TCP:
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case IP_PROTO_UDP:
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case IP_PROTO_OSPF:
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*/
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/* Names are set in the associated dissect_* routines */
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/* break; */
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default:
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strcpy(fd->win_info[3], "IPv6");
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sprintf(fd->win_info[4], "IPv6 support is still under development (%d)", ipv6.next_header);
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}
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}
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if (tree) {
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/* !!! specify length */
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ti = add_item_to_tree(GTK_WIDGET(tree), offset, 40,
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"Internet Protocol Version 6");
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ipv6_tree = gtk_tree_new();
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add_subtree(ti, ipv6_tree, ETT_IPv6);
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/* !!! warning: version also contains 4 Bit priority */
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add_item_to_tree(ipv6_tree, offset, 1, "Version: %d Priority: %d", ipv6.version >> 4 , ipv6.version & 15);
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add_item_to_tree(ipv6_tree, offset + 6, 1, "Next Header: %d", ipv6.next_header);
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add_item_to_tree(ipv6_tree, offset + 4, 2, "Payload Length: %d", ntohs(ipv6.payload_length));
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}
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/* start of the new header (could be a extension header) */
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offset += 40;
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switch (ipv6.next_header) {
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case IP_PROTO_ICMP:
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dissect_icmp(pd, offset, fd, tree);
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break;
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case IP_PROTO_IGMP:
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dissect_igmp(pd, offset, fd, tree);
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break;
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case IP_PROTO_TCP:
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dissect_tcp(pd, offset, fd, tree);
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break;
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case IP_PROTO_UDP:
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dissect_udp(pd, offset, fd, tree);
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break;
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case IP_PROTO_OSPF:
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dissect_ospf(pd, offset, fd, tree);
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break;
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default:
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dissect_data(pd, offset, fd, tree);
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}
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}
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