231 lines
7.5 KiB
C
231 lines
7.5 KiB
C
/* packet-netgear-ensemble.c
|
|
*
|
|
* Routines for Netgear AP Ensemble Protocol
|
|
* Charlie Lenahan <clenahan@sonicbison.com>
|
|
*
|
|
* 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>
|
|
|
|
void proto_register_nge(void);
|
|
void proto_reg_handoff_nge(void);
|
|
|
|
#define NETGEAR_ENSEMBLE_PORT 4554
|
|
|
|
static int proto_nge = -1;
|
|
|
|
static int hf_nge_version = -1;
|
|
static int hf_nge_unknown = -1;
|
|
static int hf_nge_unknown_int32 = -1;
|
|
static int hf_nge_sequence = -1;
|
|
static int hf_nge_tlv_length = -1;
|
|
static int hf_nge_ensemble_name = -1;
|
|
static int hf_nge_firmware_name = -1;
|
|
static int hf_nge_region_name = -1;
|
|
static int hf_nge_firmware_version = -1;
|
|
static int hf_nge_ap_name = -1;
|
|
static int hf_nge_uptime = -1;
|
|
static int hf_nge_mac = -1;
|
|
static int hf_nge_ip = -1;
|
|
static int hf_nge_uuid = -1;
|
|
|
|
static gint ett_nge = -1;
|
|
static gint ett_nge_lv = -1;
|
|
static gint ett_nge_ensemble = -1;
|
|
|
|
|
|
static void
|
|
dissect_nge_esemble(tvbuff_t *tvb,proto_tree *tree, int offset)
|
|
{
|
|
guint strLen=0;
|
|
|
|
guint32 length = tvb_get_guint32(tvb, offset,ENC_BIG_ENDIAN);
|
|
proto_tree *ensemble_tree = proto_tree_add_subtree(tree, tvb, offset, length+4, ett_nge_ensemble, NULL,"Ensemble");
|
|
|
|
proto_tree_add_uint(ensemble_tree, hf_nge_tlv_length, tvb, offset, 4, length);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(ensemble_tree, hf_nge_unknown, tvb, offset, 17, ENC_NA);
|
|
offset += 17;
|
|
|
|
/* type == 1 ? */
|
|
proto_tree_add_item(ensemble_tree, hf_nge_unknown_int32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* uuid ? */
|
|
proto_tree_add_item(ensemble_tree, hf_nge_uuid, tvb, offset, 16, ENC_BIG_ENDIAN);
|
|
offset += 16;
|
|
|
|
proto_tree_add_item(ensemble_tree, hf_nge_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(ensemble_tree, hf_nge_unknown, tvb, offset, 20, ENC_NA);
|
|
offset += 20;
|
|
|
|
proto_tree_add_item(ensemble_tree, hf_nge_mac, tvb, offset, 6, ENC_NA);
|
|
offset += 6;
|
|
|
|
/* type == 2 ? */
|
|
proto_tree_add_item(ensemble_tree, hf_nge_unknown_int32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item_ret_length(ensemble_tree, hf_nge_ensemble_name, tvb, offset, 4, ENC_ASCII|ENC_BIG_ENDIAN, &strLen);
|
|
offset += strLen;
|
|
|
|
proto_tree_add_item_ret_length(ensemble_tree, hf_nge_firmware_name, tvb, offset, 4, ENC_ASCII|ENC_BIG_ENDIAN, &strLen);
|
|
offset += strLen;
|
|
|
|
proto_tree_add_item_ret_length(ensemble_tree, hf_nge_region_name, tvb, offset, 4, ENC_ASCII|ENC_BIG_ENDIAN, &strLen);
|
|
offset += strLen;
|
|
|
|
/* type == 0 ? */
|
|
proto_tree_add_item(ensemble_tree, hf_nge_unknown_int32, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item_ret_length(ensemble_tree, hf_nge_firmware_version, tvb, offset, 4, ENC_ASCII|ENC_BIG_ENDIAN, &strLen);
|
|
offset += strLen;
|
|
|
|
proto_tree_add_item(ensemble_tree, hf_nge_unknown, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
|
|
/* timestamp? */
|
|
proto_tree_add_item(ensemble_tree, hf_nge_uptime, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item_ret_length(ensemble_tree, hf_nge_ap_name, tvb, offset, 4, ENC_ASCII|ENC_BIG_ENDIAN, &strLen);
|
|
offset += strLen;
|
|
|
|
proto_tree_add_item(ensemble_tree, hf_nge_unknown, tvb, offset, -1, ENC_NA);
|
|
|
|
}
|
|
|
|
static int
|
|
dissect_nge(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
int offset = 0;
|
|
|
|
proto_item *ti = proto_tree_add_item(tree, proto_nge, tvb, 0, -1, ENC_NA);
|
|
proto_tree *nge_tree = proto_item_add_subtree(ti, ett_nge);
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NGE");
|
|
/* Clear out stuff in the info column */
|
|
col_clear(pinfo->cinfo,COL_INFO);
|
|
|
|
/* presumed version */
|
|
proto_tree_add_item(nge_tree, hf_nge_version, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(nge_tree, hf_nge_unknown, tvb, offset, 3, ENC_NA);
|
|
offset += 3;
|
|
|
|
proto_tree_add_item(nge_tree, hf_nge_sequence, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
dissect_nge_esemble(tvb, nge_tree, offset);
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_nge(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_nge_version,
|
|
{ "Version", "nge.version",FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,NULL, HFILL }},
|
|
{ &hf_nge_unknown,
|
|
{ "Unknown", "nge.unknown", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0,NULL, HFILL }},
|
|
{ &hf_nge_unknown_int32,
|
|
{ "Unknown", "nge.unknown.int32", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_sequence,
|
|
{ "Sequence", "nge.sequence", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_uptime,
|
|
{ "Uptime", "nge.uptime", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_mac,
|
|
{ "MAC", "nge.mac", FT_ETHER, BASE_NONE,
|
|
NULL, 0x0,NULL, HFILL }},
|
|
{ &hf_nge_ip,
|
|
{ "IP", "nge.ip", FT_IPv4, BASE_NONE,
|
|
NULL, 0x0,NULL, HFILL }},
|
|
{ &hf_nge_uuid,
|
|
{ "Device UUID", "nge.uuid", FT_GUID, BASE_NONE,
|
|
NULL, 0x0,NULL, HFILL }},
|
|
{ &hf_nge_ensemble_name,
|
|
{ "Ensemble Name", "nge.ensemble_name", FT_UINT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_firmware_name,
|
|
{ "Firmware Name", "nge.firmware_name", FT_UINT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_region_name,
|
|
{ "Region Name", "nge.region_name", FT_UINT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_firmware_version,
|
|
{ "Firmware Version", "nge.firmware_version", FT_UINT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_ap_name,
|
|
{ "AP Name", "nge.ap_name", FT_UINT_STRING, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_nge_tlv_length,
|
|
{ "Length", "nge.tlv_len", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_nge,
|
|
&ett_nge_lv,
|
|
&ett_nge_ensemble
|
|
};
|
|
|
|
proto_nge = proto_register_protocol ("Netgear Ensemble Protocol", "NGE", "nge");
|
|
|
|
proto_register_field_array(proto_nge, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_nge(void)
|
|
{
|
|
dissector_handle_t nge_handle;
|
|
|
|
nge_handle = create_dissector_handle(dissect_nge, proto_nge);
|
|
dissector_add_for_decode_as_with_preference("udp.port", nge_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|