2 * Routines for nntp packet dissection
3 * Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
5 * $Id: packet-nntp.c,v 1.4 1999/08/18 00:57:52 guy Exp $
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@unicom.net>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #ifdef HAVE_SYS_TYPES_H
33 # include <sys/types.h>
36 #ifdef HAVE_NETINET_IN_H
37 # include <netinet/in.h>
44 static int proto_nntp = -1;
47 dissect_nntp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
50 proto_tree *nntp_tree, *ti;
51 const u_char *data, *dataend;
52 const u_char *lineend, *eol;
54 int max_data = pi.captured_len - offset;
57 dataend = data + END_OF_FRAME;
58 if (dataend > data + max_data)
59 dataend = data + max_data;
61 if (pi.match_port == pi.destport)
66 if (check_col(fd, COL_PROTOCOL))
67 col_add_str(fd, COL_PROTOCOL, "NNTP");
69 if (check_col(fd, COL_INFO)) {
71 * Put the first line from the buffer into the summary.
73 lineend = find_line_end(data, dataend, &eol);
75 col_add_fstr(fd, COL_INFO, "%s: %s", type,
76 format_text(data, linelen));
81 ti = proto_tree_add_item(tree, proto_nntp, offset, END_OF_FRAME, NULL);
82 nntp_tree = proto_item_add_subtree(ti, ETT_NNTP);
85 * Show the request or response as text, a line at a time.
86 * XXX - for requests, we could display the stuff after the
87 * first line, if any, based on what the request was, and
88 * for responses, we could display it based on what the
89 * matching request was, although the latter requires us to
90 * know what the matching request was....
92 while (data < dataend) {
94 * Find the end of the line.
96 lineend = find_line_end(data, dataend, &eol);
97 linelen = lineend - data;
102 proto_tree_add_text(nntp_tree, offset, linelen, "%s",
103 format_text(data, linelen));
111 proto_register_nntp(void)
113 /* static hf_register_info hf[] = {
115 { "Name", "nntp.abbreviation", TYPE, VALS_POINTER }},
118 proto_nntp = proto_register_protocol("Network News Transfer Protocol", "nntp");
119 /* proto_register_field_array(proto_nntp, hf, array_length(hf));*/