forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
Similar to the "tcp.port" changes in I99604f95d426ad345f4b494598d94178b886eb67, convert dissectors that use "udp.port". More cleanup done on dissectors that use both TCP and UDP dissector tables, so that less preference callbacks exist. Change-Id: If07be9b9e850c244336a7069599cd554ce312dd3 Reviewed-on: https://code.wireshark.org/review/18120 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
254 lines
7.5 KiB
C
254 lines
7.5 KiB
C
/* packet-egd.c
|
|
* Routines for Ethernet Global Data dissection
|
|
* EGD Home: www.gefanuc.com
|
|
*
|
|
* Copyright 2008
|
|
* 29 July 2008 -- ryan wamsley
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* 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>
|
|
|
|
#define EGD_PORT 18246 /* 0x4746 - Not IANA registered */
|
|
|
|
#define EGD_ST_NONEW 0
|
|
#define EGD_ST_NOERROR 1
|
|
#define EGD_ST_CONSUMED 2
|
|
#define EGD_ST_SNTPERR 3
|
|
#define EGD_ST_SPECERR 4
|
|
#define EGD_ST_REFRESHERR 6
|
|
#define EGD_ST_REFEXDERR 7
|
|
#define EGD_ST_IPERR 10
|
|
#define EGD_ST_RESOURSEERR 12
|
|
#define EGD_ST_NAMERES 16
|
|
#define EGD_ST_ETHERR 18
|
|
#define EGD_ST_NOSUPPORT 22
|
|
#define EGD_ST_NORESP 26
|
|
#define EGD_ST_CREATEERR 28
|
|
#define EGD_ST_DELETED 30
|
|
|
|
|
|
void proto_register_egd(void);
|
|
void proto_reg_handoff_egd(void);
|
|
|
|
/* Translate status to string */
|
|
static const value_string egd_stat_vals[] = {
|
|
{ EGD_ST_NONEW, "No new status event has occurred" },
|
|
{ EGD_ST_NOERROR, "No error currently exists" },
|
|
{ EGD_ST_CONSUMED, "No error, data consumed" },
|
|
{ EGD_ST_SNTPERR, "SNTP error" },
|
|
{ EGD_ST_SPECERR, "Specification error" },
|
|
{ EGD_ST_REFRESHERR, "Data refresh error" },
|
|
{ EGD_ST_REFEXDERR, "Data refresh period exceeded" },
|
|
{ EGD_ST_IPERR, "IP Layer not currently initialized" },
|
|
{ EGD_ST_RESOURSEERR, "Lack of resource error" },
|
|
{ EGD_ST_NAMERES, "Name Resolution in progress" },
|
|
{ EGD_ST_ETHERR, "Loss of Ethernet Interface error" },
|
|
{ EGD_ST_NOSUPPORT, "Ethernet Interface does not support EGD" },
|
|
{ EGD_ST_NORESP, "No Response from Ethernet Interface" },
|
|
{ EGD_ST_CREATEERR, "Failed to create an exchange." },
|
|
{ EGD_ST_DELETED, "Configured exchange deleted." },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int proto_egd = -1;
|
|
|
|
static int hf_egd_ver = -1;
|
|
static int hf_egd_type = -1;
|
|
static int hf_egd_rid = -1;
|
|
static int hf_egd_pid = -1;
|
|
static int hf_egd_exid = -1;
|
|
static int hf_egd_time = -1;
|
|
static int hf_egd_notime = -1;
|
|
static int hf_egd_stat = -1;
|
|
static int hf_egd_csig = -1;
|
|
static int hf_egd_resv = -1;
|
|
|
|
static gint ett_egd = -1;
|
|
static gint ett_status_item = -1;
|
|
|
|
static int dissect_egd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
/* replace UDP with EGD in display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "EGD");
|
|
|
|
/* Clear out stuff in the info column */
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Data Msg: ExchangeID=0x%08X, RequestID=%05u",
|
|
tvb_get_letohl(tvb, 8), tvb_get_letohs(tvb, 2));
|
|
|
|
if (tree)
|
|
{
|
|
proto_item *ti = NULL;
|
|
proto_item *notime = NULL;
|
|
proto_tree *egd_tree = NULL;
|
|
tvbuff_t *next_tvb = NULL;
|
|
gint offset, data_length;
|
|
guint32 sectime;
|
|
nstime_t egd_time;
|
|
|
|
memset(&egd_time, 0, sizeof(nstime_t));
|
|
offset = 0;
|
|
|
|
ti = proto_tree_add_item(tree, proto_egd, tvb, 0, -1, ENC_NA);
|
|
egd_tree = proto_item_add_subtree(ti, ett_egd);
|
|
proto_tree_add_item(egd_tree, hf_egd_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(egd_tree, hf_egd_ver, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(egd_tree, hf_egd_rid, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(egd_tree, hf_egd_pid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(egd_tree, hf_egd_exid, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* time */
|
|
sectime = tvb_get_letohl(tvb, offset);
|
|
if (0 == sectime)
|
|
{
|
|
notime = proto_tree_add_item(egd_tree, hf_egd_notime, tvb, offset, 8, ENC_LITTLE_ENDIAN);
|
|
proto_item_append_text(notime, "--No TimeStamp");
|
|
}
|
|
else
|
|
{
|
|
egd_time.secs = tvb_get_letohl(tvb, offset);
|
|
egd_time.nsecs = tvb_get_letohl(tvb, offset+4);
|
|
proto_tree_add_time(egd_tree, hf_egd_time, tvb, offset, 8, &egd_time);
|
|
}
|
|
offset += 8;
|
|
|
|
proto_tree_add_item(egd_tree, hf_egd_stat, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(egd_tree, hf_egd_csig, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(egd_tree, hf_egd_resv, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
data_length = tvb_reported_length_remaining(tvb, offset);
|
|
if (data_length > 0)
|
|
{
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_data_dissector(next_tvb, pinfo, egd_tree);
|
|
}
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void proto_register_egd(void)
|
|
{
|
|
static hf_register_info hf[] =
|
|
{
|
|
{ &hf_egd_ver,
|
|
{ "Version", "egd.ver",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_type,
|
|
{ "Type", "egd.type",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_rid,
|
|
{ "RequestID", "egd.rid",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_pid,
|
|
{ "ProducerID", "egd.pid",
|
|
FT_IPv4, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_exid,
|
|
{ "ExchangeID", "egd.exid",
|
|
FT_UINT32, BASE_HEX,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_time,
|
|
{ "Timestamp", "egd.time",
|
|
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_notime,
|
|
{ "Timestamp", "egd.notime",
|
|
FT_UINT64, BASE_HEX,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_stat,
|
|
{ "Status", "egd.stat",
|
|
FT_UINT32, BASE_DEC,
|
|
VALS(egd_stat_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_csig,
|
|
{ "ConfigSignature", "egd.csig",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_egd_resv,
|
|
{ "Reserved", "egd.rsrv",
|
|
FT_UINT32, BASE_DEC,
|
|
NULL, 0x0,
|
|
NULL, HFILL }
|
|
}
|
|
};
|
|
|
|
static gint *ett[] =
|
|
{
|
|
&ett_egd,
|
|
&ett_status_item
|
|
};
|
|
|
|
proto_egd = proto_register_protocol ("Ethernet Global Data", "EGD", "egd");
|
|
proto_register_field_array(proto_egd, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void proto_reg_handoff_egd(void)
|
|
{
|
|
dissector_handle_t egd_handle;
|
|
|
|
egd_handle = create_dissector_handle(dissect_egd, proto_egd);
|
|
dissector_add_uint_with_preference("udp.port", EGD_PORT, egd_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://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:
|
|
*/
|