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