wireshark/packet-vines.c

216 lines
6.9 KiB
C

/* packet-vines.c
* Routines for Banyan VINES protocol packet disassembly
*
* $Id: packet-vines.c,v 1.2 1998/09/27 22:12:41 gerald Exp $
*
* Don Lafontaine <lafont02@cn.ca>
*
* 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.
*/
#include "config.h"
#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 "etypes.h"
#include "packet-vines.h"
#define VINES_VSPP 2
#define VINES_DATA 1
void
dissect_vines(const u_char *pd, int offset, frame_data *fd, GtkTree *tree)
{
e_vip iph;
GtkWidget *vip_tree, *ti;
/* gchar tos_str[32]; */
/* To do: check for runts, errs, etc. */
/* Avoids alignment problems on many architectures. */
memcpy(&iph, &pd[offset], sizeof(e_vip));
iph.vip_sum = pntohs(&pd[offset]);
iph.vip_len = pntohs(&pd[offset+2]);
iph.vip_dnet = pntohl(&pd[offset+6]);
iph.vip_snet = pntohl(&pd[offset+12]);
iph.vip_dsub = pntohs(&pd[offset+10]);
iph.vip_ssub = pntohs(&pd[offset+16]);
if (fd->win_info[COL_NUM])
{
switch (iph.vip_proto)
{
case VINES_VSPP:
strcpy(fd->win_info[COL_PROTOCOL], "Vines");
sprintf(fd->win_info[COL_INFO], "VSPP (%02x)", iph.vip_proto);
break;
case VINES_DATA:
strcpy(fd->win_info[COL_PROTOCOL], "Vines IP");
sprintf(fd->win_info[COL_INFO], "DATA (%02x)", iph.vip_proto);
break;
default:
strcpy(fd->win_info[COL_PROTOCOL], "Vines IP");
sprintf(fd->win_info[COL_INFO], "Unknown VIP protocol (%02x)", iph.vip_proto);
}
sprintf(fd->win_info[COL_SOURCE], "%08x.%04x", iph.vip_snet, iph.vip_ssub);
sprintf(fd->win_info[COL_DESTINATION], "%08x.%04x", iph.vip_dnet, iph.vip_dsub);
}
/*
iph.ip_tos = IPTOS_TOS(iph.ip_tos);
switch (iph.ip_tos)
{
case IPTOS_NONE:
strcpy(tos_str, "None");
break;
case IPTOS_LOWDELAY:
strcpy(tos_str, "Minimize delay");
break;
case IPTOS_THROUGHPUT:
strcpy(tos_str, "Maximize throughput");
break;
case IPTOS_RELIABILITY:
strcpy(tos_str, "Maximize reliability");
break;
case IPTOS_LOWCOST:
strcpy(tos_str, "Minimize cost");
break;
default:
strcpy(tos_str, "Unknon. Malformed?");
break;
}
*/
if (tree)
{
ti = add_item_to_tree(GTK_WIDGET(tree), offset, (iph.vip_len),
"Vines IP");
vip_tree = gtk_tree_new();
add_subtree(ti, vip_tree, ETT_VINES);
add_item_to_tree(vip_tree, offset, 2, "Header checksum: 0x%04x", iph.vip_sum);
add_item_to_tree(vip_tree, offset + 2, 2, "Header length: 0x%02x (%d)", iph.vip_len, iph.vip_len);
add_item_to_tree(vip_tree, offset + 4, 1, "Transport control: 0x%02x",
iph.vip_tos);
add_item_to_tree(vip_tree, offset + 5, 1, "Protocol: 0x%02x", iph.vip_proto);
}
offset += 18;
switch (iph.vip_proto)
{
case VINES_VSPP:
dissect_vspp(pd, offset, fd, tree);
break;
}
}
#define VINES_VSPP_DATA 1
#define VINES_VSPP_ACK 5
void dissect_vspp(const u_char *pd, int offset, frame_data *fd, GtkTree *tree)
{
e_vspp iph;
GtkWidget *vspp_tree, *ti;
/* gchar tos_str[32];*/
/* To do: check for runts, errs, etc. */
/* Avoids alignment problems on many architectures. */
memcpy(&iph, &pd[offset], sizeof(e_vspp));
iph.vspp_sport = ntohs(iph.vspp_sport);
iph.vspp_dport = ntohs(iph.vspp_dport);
iph.vspp_lclid = ntohs(iph.vspp_lclid);
iph.vspp_rmtid = ntohs(iph.vspp_rmtid);
if (fd->win_info[COL_NUM])
{
switch (iph.vspp_pkttype)
{
case VINES_VSPP_DATA:
strcpy(fd->win_info[COL_PROTOCOL], "Vines");
sprintf(fd->win_info[COL_INFO], "VSPP Data Port=%04x(Transient) NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x D=%04x S=%04x",
iph.vspp_sport, iph.vspp_seq, iph.vspp_ack, iph.vspp_win, iph.vspp_rmtid,
iph.vspp_lclid, iph.vspp_dport, iph.vspp_sport);
break;
case VINES_VSPP_ACK:
strcpy(fd->win_info[COL_PROTOCOL], "Vines");
sprintf(fd->win_info[COL_INFO], "VSPP Ack Port=%04x(Transient) NS=%04x NR=%04x Window=%04x RID=%04x LID=%04x",
iph.vspp_sport, iph.vspp_seq, iph.vspp_ack, iph.vspp_win, iph.vspp_rmtid,
iph.vspp_lclid);
break;
default:
strcpy(fd->win_info[COL_PROTOCOL], "Vines IP");
sprintf(fd->win_info[COL_INFO], "Unknown VSPP packet type (%02x)", iph.vspp_pkttype);
}
}
/*
iph.ip_tos = IPTOS_TOS(iph.ip_tos);
switch (iph.ip_tos)
{
case IPTOS_NONE:
strcpy(tos_str, "None");
break;
case IPTOS_LOWDELAY:
strcpy(tos_str, "Minimize delay");
break;
case IPTOS_THROUGHPUT:
strcpy(tos_str, "Maximize throughput");
break;
case IPTOS_RELIABILITY:
strcpy(tos_str, "Maximize reliability");
break;
case IPTOS_LOWCOST:
strcpy(tos_str, "Minimize cost");
break;
default:
strcpy(tos_str, "Unknon. Malformed?");
break;
}
*/
if (tree)
{
ti = add_item_to_tree(GTK_WIDGET(tree), offset, sizeof(iph),
"Vines SPP");
vspp_tree = gtk_tree_new();
add_subtree(ti, vspp_tree, ETT_VSPP);
add_item_to_tree(vspp_tree, offset, 2, "Source port: 0x%04x", iph.vspp_sport);
add_item_to_tree(vspp_tree, offset+2, 2, "Destination port: 0x%04x", iph.vspp_dport);
add_item_to_tree(vspp_tree, offset+4, 1, "Packet type: 0x%02x", iph.vspp_pkttype);
add_item_to_tree(vspp_tree, offset+5, 1, "Control: 0x%02x", iph.vspp_tos);
add_item_to_tree(vspp_tree, offset+6, 2, "Local Connection ID: 0x%04x", iph.vspp_lclid);
add_item_to_tree(vspp_tree, offset+8, 2, "Remote Connection ID: 0x%04x", iph.vspp_rmtid);
add_item_to_tree(vspp_tree, offset+10, 2, "Sequence number: 0x%04x", iph.vspp_seq);
add_item_to_tree(vspp_tree, offset+12, 2, "Ack number: 0x%04x", iph.vspp_ack);
add_item_to_tree(vspp_tree, offset+14, 2, "Window: 0x%04x", iph.vspp_win);
}
}