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/* packet-daytime.c
* Routines for Daytime Protocol (RFC 867) packet dissection
* Copyright 2006, Stephen Fisher (see AUTHORS file)
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-time.c
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
void proto_register_daytime(void);
void proto_reg_handoff_daytime(void);
static int proto_daytime = -1;
static int hf_daytime_string = -1;
static gint ett_daytime = -1;
/* This dissector works for TCP and UDP daytime packets */
#define DAYTIME_PORT 13
static void
dissect_daytime(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_tree *daytime_tree;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "DAYTIME");
col_add_fstr(pinfo->cinfo, COL_INFO, "DAYTIME %s",
pinfo->srcport == pinfo->match_uint ? "Response":"Request");
if (tree) {
ti = proto_tree_add_item(tree, proto_daytime, tvb, 0, -1, ENC_NA);
daytime_tree = proto_item_add_subtree(ti, ett_daytime);
proto_tree_add_text(daytime_tree, tvb, 0, 0,
pinfo->srcport==DAYTIME_PORT ? "Type: Response":"Type: Request");
if (pinfo->srcport == DAYTIME_PORT) {
proto_tree_add_item(daytime_tree, hf_daytime_string, tvb, 0, -1, ENC_ASCII|ENC_NA);
}
}
}
void
proto_register_daytime(void)
{
static hf_register_info hf[] = {
{ &hf_daytime_string,
{ "Daytime", "daytime.string",
FT_STRING, BASE_NONE, NULL, 0x0,
"String containing time and date", HFILL }}
};
static gint *ett[] = {
&ett_daytime,
};
proto_daytime = proto_register_protocol("Daytime Protocol", "DAYTIME", "daytime");
proto_register_field_array(proto_daytime, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_daytime(void)
{
dissector_handle_t daytime_handle;
daytime_handle = create_dissector_handle(dissect_daytime, proto_daytime);
dissector_add_uint("udp.port", DAYTIME_PORT, daytime_handle);
dissector_add_uint("tcp.port", DAYTIME_PORT, daytime_handle);
}
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