wireshark/packet-xot.c
Guy Harris ee5ca25d31 Include files from the "epan" directory and subdirectories thereof with
"epan/..." pathnames, so as to avoid collisions with header files in any
of the directories in which we look (e.g., "proto.h", as some other
package has its own "proto.h" file which it installs in the top-level
include directory).

Don't add "-I" flags to search "epan", as that's no longer necessary
(and we want includes of "epan" headers to fail if the "epan/" is left
out, so that we don't re-introduce includes lacking "epan/").

svn path=/trunk/; revision=4586
2002-01-21 07:37:49 +00:00

117 lines
3.1 KiB
C

/* packet-xot.c
* Routines for X25 over TCP dissection (RFC 1613)
*
* Copyright 2000, Paul Ionescu <paul@acorp.ro>
*
* $Id: packet-xot.c,v 1.9 2002/01/21 07:36:48 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* 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 <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <glib.h>
#include <epan/packet.h>
#define TCP_PORT_XOT 1998
static gint proto_xot = -1;
static gint hf_xot_version = -1;
static gint hf_xot_length = -1;
static gint ett_xot = -1;
static dissector_handle_t x25_handle;
static void dissect_xot(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_item *ti;
proto_tree *xot_tree;
guint16 version,len;
tvbuff_t *next_tvb;
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "XOT");
if (check_col(pinfo->cinfo, COL_INFO))
col_clear(pinfo->cinfo, COL_INFO);
version = tvb_get_ntohs(tvb,0);
len = tvb_get_ntohs(tvb,2);
if (check_col(pinfo->cinfo, COL_INFO))
col_add_fstr(pinfo->cinfo, COL_INFO, "XOT Version = %u, size = %u",version,len );
if (tree) {
ti = proto_tree_add_protocol_format(tree, proto_xot, tvb, 0, 4, "X.25 over TCP");
xot_tree = proto_item_add_subtree(ti, ett_xot);
proto_tree_add_uint(xot_tree, hf_xot_version, tvb, 0, 2, version);
proto_tree_add_uint(xot_tree, hf_xot_length, tvb, 2, 2, len);
}
next_tvb = tvb_new_subset(tvb,4, -1 , -1);
call_dissector(x25_handle,next_tvb,pinfo,tree);
}
/* Register the protocol with Ethereal */
void
proto_register_xot(void)
{
static hf_register_info hf[] = {
{ &hf_xot_version,
{ "Version", "xot.version", FT_UINT16, BASE_DEC,
NULL, 0, "Version of X.25 over TCP protocol", HFILL }},
{ &hf_xot_length,
{ "Length", "xot.length", FT_UINT16, BASE_DEC,
NULL, 0, "Length of X.25 over TCP packet", HFILL }}
};
static gint *ett[] = {
&ett_xot,
};
proto_xot = proto_register_protocol("X.25 over TCP", "XOT", "xot");
proto_register_field_array(proto_xot, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
};
void
proto_reg_handoff_xot(void)
{
dissector_handle_t xot_handle;
/*
* Get a handle for the X.25 dissector.
*/
x25_handle = find_dissector("x.25");
xot_handle = create_dissector_handle(dissect_xot, proto_xot);
dissector_add("tcp.port", TCP_PORT_XOT, xot_handle);
}