forked from osmocom/wireshark
102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/* packet-daytime.c
|
|
* Routines for Daytime Protocol (RFC 867) packet dissection
|
|
* Copyright 2006, Stephen Fisher (see AUTHORS file)
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* Copied from packet-time.c
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
#include "config.h"
|
|
|
|
#include <epan/packet.h>
|
|
|
|
void proto_register_daytime(void);
|
|
void proto_reg_handoff_daytime(void);
|
|
|
|
static dissector_handle_t daytime_handle;
|
|
|
|
static int proto_daytime = -1;
|
|
|
|
static int hf_daytime_string = -1;
|
|
static int hf_response_request = -1;
|
|
|
|
static gint ett_daytime = -1;
|
|
|
|
/* This dissector works for TCP and UDP daytime packets */
|
|
#define DAYTIME_PORT 13
|
|
|
|
static int
|
|
dissect_daytime(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
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_boolean(daytime_tree, hf_response_request, tvb, 0, 0, pinfo->srcport==DAYTIME_PORT);
|
|
if (pinfo->srcport == DAYTIME_PORT) {
|
|
proto_tree_add_item(daytime_tree, hf_daytime_string, tvb, 0, -1, ENC_ASCII);
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
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 }
|
|
},
|
|
{ &hf_response_request,
|
|
{ "Type", "daytime.response_request",
|
|
FT_BOOLEAN, 8, TFS(&tfs_response_request), 0x0,
|
|
NULL, 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));
|
|
|
|
daytime_handle = create_dissector_handle(dissect_daytime, proto_daytime);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_daytime(void)
|
|
{
|
|
dissector_add_uint_with_preference("udp.port", DAYTIME_PORT, daytime_handle);
|
|
dissector_add_uint_with_preference("tcp.port", DAYTIME_PORT, daytime_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|