92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/* packet-daytime.c
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* Routines for Daytime Protocol (RFC 867) packet dissection
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* Copyright 2006, Stephen Fisher (see AUTHORS file)
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* Copied from packet-time.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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static int proto_daytime = -1;
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static int hf_daytime_string = -1;
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static gint ett_daytime = -1;
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/* This dissector works for TCP and UDP daytime packets */
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#define DAYTIME_PORT 13
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static void
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dissect_daytime(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *daytime_tree;
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proto_item *ti;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "DAYTIME");
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col_add_fstr(pinfo->cinfo, COL_INFO, "DAYTIME %s",
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pinfo->srcport == pinfo->match_uint ? "Response":"Request");
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if (tree) {
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ti = proto_tree_add_item(tree, proto_daytime, tvb, 0, -1, ENC_NA);
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daytime_tree = proto_item_add_subtree(ti, ett_daytime);
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proto_tree_add_text(daytime_tree, tvb, 0, 0,
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pinfo->srcport==DAYTIME_PORT ? "Type: Response":"Type: Request");
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if (pinfo->srcport == DAYTIME_PORT) {
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proto_tree_add_item(daytime_tree, hf_daytime_string, tvb, 0, -1, ENC_ASCII|ENC_NA);
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}
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}
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}
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void
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proto_register_daytime(void)
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{
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static hf_register_info hf[] = {
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{ &hf_daytime_string,
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{ "Daytime", "daytime.string",
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FT_STRING, BASE_NONE, NULL, 0x0,
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"String containing time and date", HFILL }}
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};
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static gint *ett[] = {
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&ett_daytime,
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};
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proto_daytime = proto_register_protocol("Daytime Protocol", "DAYTIME", "daytime");
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proto_register_field_array(proto_daytime, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_daytime(void)
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{
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dissector_handle_t daytime_handle;
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daytime_handle = create_dissector_handle(dissect_daytime, proto_daytime);
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dissector_add_uint("udp.port", DAYTIME_PORT, daytime_handle);
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dissector_add_uint("tcp.port", DAYTIME_PORT, daytime_handle);
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}
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