forked from osmocom/wireshark
160 lines
4.2 KiB
C
160 lines
4.2 KiB
C
/* packet-aruba-adp.c
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* Routines for Aruba ADP header disassembly
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*
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* $Id$
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*
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* Giles Scott < gscott <at> arubanetworks dot com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/addr_resolv.h>
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#define UDP_PORT_ADP 8200
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#define ADP_REQUEST 1
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#define ADP_RESPONSE 2
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static int proto_aruba_adp = -1;
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static gint ett_aruba_adp = -1;
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static int hf_adp_version = -1;
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static int hf_adp_type = -1;
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static int hf_adp_id = -1;
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static int hf_adp_mac = -1;
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static int hf_adp_switchip = -1;
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static const value_string adp_type_val[] =
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{
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{1, "Request"},
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{2, "Response"},
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{0, NULL},
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};
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static void
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dissect_aruba_adp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *ti = NULL;
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proto_tree *aruba_adp_tree = NULL;
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guint16 type;
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const guint8 *src_mac;
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const guint8 *switchip;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "ADP");
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col_clear(pinfo->cinfo, COL_INFO);
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if (tree) {
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ti = proto_tree_add_item(tree, proto_aruba_adp, tvb, 0, 0, FALSE);
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aruba_adp_tree = proto_item_add_subtree(ti, ett_aruba_adp);
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proto_tree_add_item(aruba_adp_tree, hf_adp_version, tvb, 0, 2, FALSE);
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}
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type = tvb_get_ntohs(tvb, 2);
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if (tree) {
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proto_tree_add_item(aruba_adp_tree, hf_adp_type, tvb, 2, 2, FALSE);
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proto_tree_add_item(aruba_adp_tree, hf_adp_id, tvb, 4, 2, FALSE);
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}
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switch(type){
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case ADP_REQUEST:
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proto_tree_add_item(aruba_adp_tree, hf_adp_mac, tvb, 6, 6, FALSE);
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src_mac = tvb_get_ptr(tvb, 6, 6);
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if (check_col(pinfo->cinfo, COL_INFO))
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col_add_fstr(pinfo->cinfo, COL_INFO, "ADP Request Src MAC: %s", ether_to_str(src_mac));
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proto_item_append_text(ti, ", Request Src MAC: %s", ether_to_str(src_mac));
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break;
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case ADP_RESPONSE:
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proto_tree_add_item(aruba_adp_tree, hf_adp_switchip, tvb, 6, 4, FALSE);
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switchip = tvb_get_ptr(tvb, 6, 4);
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if (check_col(pinfo->cinfo, COL_INFO))
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col_add_fstr(pinfo->cinfo, COL_INFO, "ADP Response Switch IP: %s", ip_to_str(switchip));
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proto_item_append_text(ti, ", Response Switch IP: %s", ip_to_str(switchip));
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break;
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default:
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break;
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}
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}
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void
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proto_register_aruba_adp(void)
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{
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static hf_register_info hf[] = {
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{ &hf_adp_version,
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{ "Version", "adp.version", FT_UINT16, BASE_DEC, NULL,0x0,
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"ADP version", HFILL}},
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{ &hf_adp_type,
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{ "Type", "adp.type", FT_UINT16, BASE_DEC, VALS(adp_type_val), 0x0,
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"ADP type", HFILL}},
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{ &hf_adp_id,
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{ "Transaction ID", "adp.id", FT_UINT16, BASE_DEC, NULL, 0x0,
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"ADP transaction ID", HFILL}},
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{ &hf_adp_mac,
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{ "MAC address", "adp.mac", FT_ETHER, BASE_NONE, NULL, 0x0,
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NULL, HFILL}},
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{ &hf_adp_switchip,
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{ "Switch IP", "adp.switch", FT_IPv4, BASE_NONE, NULL, 0x0,
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"Switch IP address", HFILL}},
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};
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static gint *ett[] = {
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&ett_aruba_adp,
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};
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proto_aruba_adp = proto_register_protocol("Aruba Discovery Protocol",
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"ADP", "adp");
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proto_register_field_array(proto_aruba_adp, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_aruba_adp(void)
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{
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dissector_handle_t adp_handle;
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adp_handle = create_dissector_handle(dissect_aruba_adp, proto_aruba_adp);
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dissector_add_uint("udp.port", UDP_PORT_ADP, adp_handle);
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}
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