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/* packet-aruba-adp.c
* Routines for Aruba ADP header disassembly
*
* Giles Scott < gscott <at> arubanetworks dot 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>
#include <epan/addr_resolv.h>
#define UDP_PORT_ADP 8200 /* Not IANA registered */
#define ADP_REQUEST 1
#define ADP_RESPONSE 2
void proto_register_aruba_adp(void);
void proto_reg_handoff_aruba_adp(void);
static int proto_aruba_adp = -1;
static gint ett_aruba_adp = -1;
static int hf_adp_version = -1;
static int hf_adp_type = -1;
static int hf_adp_id = -1;
static int hf_adp_mac = -1;
static int hf_adp_switchip = -1;
static const value_string adp_type_val[] =
{
{1, "Request"},
{2, "Response"},
{0, NULL},
};
static int
dissect_aruba_adp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_tree *ti = NULL;
proto_tree *aruba_adp_tree = NULL;
guint16 type;
const gchar *mac_str;
const gchar *switchip;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ADP");
col_clear(pinfo->cinfo, COL_INFO);
if (tree) {
ti = proto_tree_add_item(tree, proto_aruba_adp, tvb, 0, 0, ENC_NA);
aruba_adp_tree = proto_item_add_subtree(ti, ett_aruba_adp);
}
proto_tree_add_item(aruba_adp_tree, hf_adp_version, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(aruba_adp_tree, hf_adp_type, tvb, 2, 2, ENC_BIG_ENDIAN);
type = tvb_get_ntohs(tvb, 2);
proto_tree_add_item(aruba_adp_tree, hf_adp_id, tvb, 4, 2, ENC_BIG_ENDIAN);
switch(type){
case ADP_REQUEST:
proto_tree_add_item(aruba_adp_tree, hf_adp_mac, tvb, 6, 6, ENC_NA);
mac_str = tvb_ether_to_str(tvb, 6);
col_add_fstr(pinfo->cinfo, COL_INFO, "ADP Request Src MAC: %s", mac_str);
proto_item_append_text(ti, ", Request Src MAC: %s", mac_str);
break;
case ADP_RESPONSE:
proto_tree_add_item(aruba_adp_tree, hf_adp_switchip, tvb, 6, 4, ENC_BIG_ENDIAN);
switchip = tvb_ip_to_str(tvb, 6);
col_add_fstr(pinfo->cinfo, COL_INFO, "ADP Response Switch IP: %s", switchip);
proto_item_append_text(ti, ", Response Switch IP: %s", switchip);
break;
default:
break;
}
return tvb_captured_length(tvb);
}
void
proto_register_aruba_adp(void)
{
static hf_register_info hf[] = {
{ &hf_adp_version,
{ "Version", "adp.version", FT_UINT16, BASE_DEC, NULL,0x0,
"ADP version", HFILL}},
{ &hf_adp_type,
{ "Type", "adp.type", FT_UINT16, BASE_DEC, VALS(adp_type_val), 0x0,
"ADP type", HFILL}},
{ &hf_adp_id,
{ "Transaction ID", "adp.id", FT_UINT16, BASE_DEC, NULL, 0x0,
"ADP transaction ID", HFILL}},
{ &hf_adp_mac,
{ "MAC address", "adp.mac", FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL}},
{ &hf_adp_switchip,
{ "Switch IP", "adp.switch", FT_IPv4, BASE_NONE, NULL, 0x0,
"Switch IP address", HFILL}},
};
static gint *ett[] = {
&ett_aruba_adp,
};
proto_aruba_adp = proto_register_protocol("Aruba Discovery Protocol",
"ADP", "adp");
proto_register_field_array(proto_aruba_adp, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_aruba_adp(void)
{
dissector_handle_t adp_handle;
adp_handle = create_dissector_handle(dissect_aruba_adp, proto_aruba_adp);
dissector_add_uint_with_preference("udp.port", UDP_PORT_ADP, adp_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:
*/
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