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/* packet-nntp.c
* Routines for nntp packet dissection
* Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
*
* $Id: packet-nntp.c,v 1.1 1999/04/06 02:02:11 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@unicom.net>
* 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>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#include <string.h>
#include <glib.h>
#include "packet.h"
extern packet_info pi;
void
dissect_nntp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, int max_data)
{
gchar *type;
proto_tree *nntp_tree, *ti;
const u_char *data, *dataend;
const u_char *lineend, *eol;
int linelen;
data = &pd[offset];
dataend = data + END_OF_FRAME;
if (dataend > data + max_data)
dataend = data + max_data;
if (pi.match_port == pi.destport)
type = "Request";
else
type = "Response";
if (check_col(fd, COL_PROTOCOL))
col_add_str(fd, COL_PROTOCOL, "NNTP");
if (check_col(fd, COL_INFO)) {
/*
* Put the first line from the buffer into the summary.
*/
lineend = find_line_end(data, dataend, &eol);
linelen = eol - data;
col_add_fstr(fd, COL_INFO, "%s: %s", type,
format_text(data, linelen));
}
if (tree) {
ti = proto_tree_add_item(tree, offset, END_OF_FRAME,
"Network News Transfer Protocol");
nntp_tree = proto_tree_new();
proto_item_add_subtree(ti, nntp_tree, ETT_NNTP);
/*
* Show the request or response as text, a line at a time.
* XXX - for requests, we could display the stuff after the
* first line, if any, based on what the request was, and
* for responses, we could display it based on what the
* matching request was, although the latter requires us to
* know what the matching request was....
*/
while (data < dataend) {
/*
* Find the end of the line.
*/
lineend = find_line_end(data, dataend, &eol);
linelen = lineend - data;
/*
* Put this line.
*/
proto_tree_add_item(nntp_tree, offset, linelen, "%s",
format_text(data, linelen));
offset += linelen;
data = lineend;
}
}
}
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