forked from osmocom/wireshark
124 lines
3.5 KiB
C
124 lines
3.5 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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* 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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#define NEW_PROTO_TREE_API
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#include "config.h"
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#include <epan/packet.h>
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void proto_register_daytime(void);
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void proto_reg_handoff_daytime(void);
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static dissector_handle_t daytime_handle;
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static header_field_info *hfi_daytime = NULL;
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#define DAYTIME_HFI_INIT HFI_INIT(proto_daytime)
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static header_field_info hfi_daytime_string DAYTIME_HFI_INIT =
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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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static header_field_info hfi_response_request DAYTIME_HFI_INIT =
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{ "Type", "daytime.response_request",
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FT_BOOLEAN, 8, TFS(&tfs_response_request), 0x0,
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NULL, HFILL };
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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 int
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dissect_daytime(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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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, hfi_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_boolean(daytime_tree, &hfi_response_request, tvb, 0, 0, pinfo->srcport==DAYTIME_PORT);
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if (pinfo->srcport == DAYTIME_PORT) {
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proto_tree_add_item(daytime_tree, &hfi_daytime_string, tvb, 0, -1, ENC_ASCII|ENC_NA);
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}
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}
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return tvb_captured_length(tvb);
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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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#ifndef HAVE_HFI_SECTION_INIT
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static header_field_info *hfi[] = {
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&hfi_daytime_string,
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&hfi_response_request,
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};
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#endif
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static gint *ett[] = {
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&ett_daytime,
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};
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int proto_daytime;
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proto_daytime = proto_register_protocol("Daytime Protocol", "DAYTIME", "daytime");
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hfi_daytime = proto_registrar_get_nth(proto_daytime);
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proto_register_fields(proto_daytime, hfi, array_length(hfi));
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proto_register_subtree_array(ett, array_length(ett));
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daytime_handle = create_dissector_handle(dissect_daytime, proto_daytime);
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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_add_uint("udp.port", DAYTIME_PORT, daytime_handle);
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dissector_add_uint_with_preference("tcp.port", DAYTIME_PORT, daytime_handle);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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