forked from osmocom/wireshark
From Ryan Wamsley:
Add Ethernet Global Data (EGD) packet dissector. svn path=/trunk/; revision=25954
This commit is contained in:
parent
021a926793
commit
9569e7a299
|
@ -374,6 +374,7 @@ CLEAN_DISSECTOR_SRC = \
|
|||
packet-eapol.c \
|
||||
packet-echo.c \
|
||||
packet-edonkey.c \
|
||||
packet-egd.c \
|
||||
packet-eigrp.c \
|
||||
packet-enc.c \
|
||||
packet-enip.c \
|
||||
|
|
|
@ -0,0 +1,271 @@
|
|||
/* packet-egd.c
|
||||
* Routines for Ethernet Global Data dissection
|
||||
* EGD Home: www.gefanuc.com
|
||||
*
|
||||
* Copyright 2008
|
||||
* 29 July 2008 -- ryan wamsley
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include "config.h"
|
||||
#endif
|
||||
|
||||
#include <string.h>
|
||||
#include <epan/packet.h>
|
||||
#include <epan/prefs.h>
|
||||
|
||||
/* forward reference */
|
||||
void proto_register_egd();
|
||||
void proto_reg_handoff_egd();
|
||||
static void dissect_egd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
|
||||
|
||||
#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
|
||||
|
||||
/* 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 global_egd_port = 18246; /* 0x4746 */
|
||||
static dissector_handle_t egd_handle;
|
||||
static dissector_handle_t data_handle;
|
||||
|
||||
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 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,
|
||||
"", HFILL }
|
||||
},
|
||||
{ &hf_egd_exid,
|
||||
{ "ExchangeID", "egd.exid",
|
||||
FT_UINT32, BASE_HEX,
|
||||
NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_egd_time,
|
||||
{ "Timestamp", "egd.time",
|
||||
FT_ABSOLUTE_TIME, BASE_DEC,
|
||||
NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_egd_notime,
|
||||
{ "Timestamp", "egd.time",
|
||||
FT_UINT64, BASE_HEX,
|
||||
NULL, 0x0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_egd_stat,
|
||||
{ "Status", "egd.stat",
|
||||
FT_UINT32, BASE_DEC,
|
||||
VALS(egd_stat_vals), 0x0,
|
||||
"Status", 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
|
||||
};
|
||||
|
||||
|
||||
void proto_register_egd(void)
|
||||
{
|
||||
if (proto_egd == -1)
|
||||
{
|
||||
proto_egd = proto_register_protocol (
|
||||
"Ethernet Global Data", /* name */
|
||||
"EGD", /* short name */
|
||||
"egd" /* abbrev */
|
||||
);
|
||||
proto_register_field_array(proto_egd, hf, array_length(hf));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void proto_reg_handoff_egd(void)
|
||||
{
|
||||
static int initialized = FALSE;
|
||||
|
||||
if (!initialized)
|
||||
{
|
||||
/* find data dissector */
|
||||
data_handle = find_dissector("data");
|
||||
|
||||
egd_handle = create_dissector_handle(dissect_egd, proto_egd);
|
||||
dissector_add("udp.port", global_egd_port, egd_handle);
|
||||
initialized = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void dissect_egd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
||||
{
|
||||
/* replace UDP with EGD in display */
|
||||
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
||||
{
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "EGD");
|
||||
}
|
||||
|
||||
/* Clear out stuff in the info column */
|
||||
if (check_col(pinfo->cinfo,COL_INFO))
|
||||
{
|
||||
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 stime;
|
||||
nstime_t egd_time;
|
||||
|
||||
memset(&egd_time, 0, sizeof(nstime_t));
|
||||
offset = 0;
|
||||
|
||||
ti = proto_tree_add_item(tree, proto_egd, tvb, 0, -1, FALSE);
|
||||
egd_tree = proto_item_add_subtree(ti, ett_egd);
|
||||
proto_tree_add_item(egd_tree, hf_egd_type, tvb, offset, 1, FALSE);
|
||||
offset++;
|
||||
proto_tree_add_item(egd_tree, hf_egd_ver, tvb, offset, 1, FALSE);
|
||||
offset++;
|
||||
proto_tree_add_item(egd_tree, hf_egd_rid, tvb, offset, 2, TRUE);
|
||||
offset += 2;
|
||||
proto_tree_add_item(egd_tree, hf_egd_pid, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
proto_tree_add_item(egd_tree, hf_egd_exid, tvb, offset, 4, TRUE);
|
||||
offset += 4;
|
||||
|
||||
/* time */
|
||||
stime = tvb_get_ntohl(tvb, offset);
|
||||
if (0 == stime)
|
||||
{
|
||||
notime = proto_tree_add_item(egd_tree, hf_egd_notime, tvb, offset, 8, FALSE);
|
||||
proto_item_append_text(notime, "--No TimeStamp");
|
||||
}
|
||||
else
|
||||
{
|
||||
egd_time.secs = tvb_get_ntohl(tvb, offset);
|
||||
egd_time.nsecs = tvb_get_ntohl(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, FALSE);
|
||||
offset += 4;
|
||||
proto_tree_add_item(egd_tree, hf_egd_csig, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
proto_tree_add_item(egd_tree, hf_egd_resv, tvb, offset, 4, FALSE);
|
||||
offset += 4;
|
||||
|
||||
data_length = tvb_length_remaining(tvb, offset);
|
||||
if (data_length > 0)
|
||||
{
|
||||
next_tvb = tvb_new_subset(tvb, offset, -1, -1);
|
||||
call_dissector(data_handle, next_tvb, pinfo, egd_tree);
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue