forked from osmocom/wireshark
969b5a240e
svn path=/trunk/; revision=35591
211 lines
6.6 KiB
C
211 lines
6.6 KiB
C
/* msg_pkm.c
|
|
* WiMax MAC Management PKM-REQ/RSP Messages decoders
|
|
*
|
|
* Copyright (c) 2007 by Intel Corporation.
|
|
*
|
|
* Author: Lu Pan <lu.pan@intel.com>
|
|
*
|
|
* $Id$
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1999 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.
|
|
*/
|
|
|
|
/*
|
|
#define DEBUG // for debug only
|
|
*/
|
|
|
|
/* Include files */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <glib.h>
|
|
#include <epan/packet.h>
|
|
#include "wimax_tlv.h"
|
|
#include "wimax_mac.h"
|
|
#include "wimax_utils.h"
|
|
|
|
static gint proto_mac_mgmt_msg_pkm_decoder = -1;
|
|
static gint ett_mac_mgmt_msg_pkm_req_decoder = -1;
|
|
static gint ett_mac_mgmt_msg_pkm_rsp_decoder = -1;
|
|
|
|
static const value_string vals_pkm_msg_code[] =
|
|
{
|
|
{3, "SA ADD"},
|
|
{4, "Auth Request"},
|
|
{5, "Auth Reply"},
|
|
{6, "Auth Reject"},
|
|
{7, "Key Request"},
|
|
{8, "Key Reply"},
|
|
{9, "Key Reject"},
|
|
{10, "Auth Invalid"},
|
|
{11, "TEK Invalid"},
|
|
{12, "Auth Info"},
|
|
{13, "PKMv2 RSA-Request"},
|
|
{14, "PKMv2 RSA-Reply"},
|
|
{15, "PKMv2 RSA-Reject"},
|
|
{16, "PKMv2 RSA-Acknowledgement"},
|
|
{17, "PKMv2 EAP Start"},
|
|
{18, "PKMv2 EAP-Transfer"},
|
|
{19, "PKMv2 Authenticated EAP-Transfer"},
|
|
{20, "PKMv2 SA TEK Challenge"},
|
|
{21, "PKMv2 SA TEK Request"},
|
|
{22, "PKMv2 SA TEK Response"},
|
|
{23, "PKMv2 Key-Request"},
|
|
{24, "PKMv2 Key-Reply"},
|
|
{25, "PKMv2 Key-Reject"},
|
|
{26, "PKMv2 SA-Addition"},
|
|
{27, "PKMv2 TEK-Invalid"},
|
|
{28, "PKMv2 Group-Key-Update-Command"},
|
|
{29, "PKMv2 EAP Complete"},
|
|
{30, "PKMv2 Authenticated EAP Start"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
/* fix fields */
|
|
static gint hf_pkm_req_message_type = -1;
|
|
static gint hf_pkm_rsp_message_type = -1;
|
|
static gint hf_pkm_msg_code = -1;
|
|
static gint hf_pkm_msg_pkm_id = -1;
|
|
|
|
|
|
/* Wimax Mac PKM-REQ Message Dissector */
|
|
void dissect_mac_mgmt_msg_pkm_req_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint offset = 0;
|
|
guint tvb_len, payload_type, length;
|
|
proto_item *pkm_item = NULL;
|
|
proto_tree *pkm_tree = NULL;
|
|
|
|
/* Ensure the right payload type */
|
|
payload_type = tvb_get_guint8(tvb, offset);
|
|
if(payload_type != MAC_MGMT_MSG_PKM_REQ)
|
|
{
|
|
return;
|
|
}
|
|
|
|
{ /* we are being asked for details */
|
|
/* Get the tvb reported length */
|
|
tvb_len = tvb_reported_length(tvb);
|
|
/* display MAC payload type PKM-REQ */
|
|
pkm_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_pkm_decoder, tvb, offset, tvb_len, "Privacy Key Management Request (PKM-REQ) (%u bytes)", tvb_len);
|
|
/* add MAC PKM subtree */
|
|
pkm_tree = proto_item_add_subtree(pkm_item, ett_mac_mgmt_msg_pkm_req_decoder);
|
|
/* Decode and display the Privacy Key Management Request Message (PKM-REQ) (table 24) */
|
|
/* display the Message Type */
|
|
proto_tree_add_item(pkm_tree, hf_pkm_req_message_type, tvb, offset, 1, FALSE);
|
|
/* set the offset for the PKM Code */
|
|
offset++;
|
|
/* display the PKM Code */
|
|
proto_tree_add_item(pkm_tree, hf_pkm_msg_code, tvb, offset, 1, FALSE);
|
|
/* set the offset for the PKM ID */
|
|
offset++;
|
|
/* display the PKM ID */
|
|
proto_tree_add_item(pkm_tree, hf_pkm_msg_pkm_id, tvb, offset, 1, FALSE);
|
|
/* set the offset for the TLV Encoded info */
|
|
offset++;
|
|
/* process the PKM TLV Encoded Attributes */
|
|
length = tvb_len - offset;
|
|
wimax_pkm_tlv_encoded_attributes_decoder(tvb_new_subset(tvb, offset, length, length), pinfo, pkm_tree);
|
|
}
|
|
}
|
|
|
|
/* Wimax Mac PKM-RSP Message Dissector */
|
|
void dissect_mac_mgmt_msg_pkm_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
guint offset = 0;
|
|
guint tvb_len, payload_type, length;
|
|
proto_item *pkm_item = NULL;
|
|
proto_tree *pkm_tree = NULL;
|
|
|
|
/* Ensure the right payload type */
|
|
payload_type = tvb_get_guint8(tvb, offset);
|
|
if(payload_type != MAC_MGMT_MSG_PKM_RSP)
|
|
{
|
|
return;
|
|
}
|
|
|
|
{ /* we are being asked for details */
|
|
/* Get the tvb reported length */
|
|
tvb_len = tvb_reported_length(tvb);
|
|
/* display MAC payload type PKM-RSP */
|
|
pkm_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_pkm_decoder, tvb, offset, tvb_len, "Privacy Key Management Response (PKM-RSP) (%u bytes)", tvb_len);
|
|
/* add MAC PKM subtree */
|
|
pkm_tree = proto_item_add_subtree(pkm_item, ett_mac_mgmt_msg_pkm_rsp_decoder);
|
|
/* Decode and display the Privacy Key Management Response (PKM-RSP) (table 25) */
|
|
/* display the Message Type */
|
|
proto_tree_add_item(pkm_tree, hf_pkm_rsp_message_type, tvb, offset, 1, FALSE);
|
|
/* set the offset for the PKM Code */
|
|
offset++;
|
|
/* display the PKM Code */
|
|
proto_tree_add_item(pkm_tree, hf_pkm_msg_code, tvb, offset, 1, FALSE);
|
|
/* set the offset for the PKM ID */
|
|
offset++;
|
|
/* display the PKM ID */
|
|
proto_tree_add_item(pkm_tree, hf_pkm_msg_pkm_id, tvb, offset, 1, FALSE);
|
|
/* set the offset for the TLV Encoded info */
|
|
offset++;
|
|
/* process the PKM TLV Encoded Attributes */
|
|
length = tvb_len - offset;
|
|
wimax_pkm_tlv_encoded_attributes_decoder(tvb_new_subset(tvb, offset, length, length), pinfo, pkm_tree);
|
|
}
|
|
}
|
|
|
|
/* Register Wimax Mac PKM-REQ/RSP Messages Dissectors */
|
|
void proto_register_mac_mgmt_msg_pkm(void)
|
|
{
|
|
/* PKM display */
|
|
static hf_register_info hf_pkm[] =
|
|
{
|
|
{
|
|
&hf_pkm_msg_code,
|
|
{"Code", "wmx.pkm.msg_code",FT_UINT8, BASE_DEC, VALS(vals_pkm_msg_code),0x0, NULL, HFILL}
|
|
},
|
|
{
|
|
&hf_pkm_msg_pkm_id,
|
|
{"PKM Identifier", "wmx.pkm.msg_pkm_identifier",FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{
|
|
&hf_pkm_req_message_type,
|
|
{"MAC Management Message Type", "wmx.macmgtmsgtype.pkm_req", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
},
|
|
{
|
|
&hf_pkm_rsp_message_type,
|
|
{"MAC Management Message Type", "wmx.macmgtmsgtype.pkm_rsp", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
|
|
}
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett_pkm[] =
|
|
{
|
|
&ett_mac_mgmt_msg_pkm_req_decoder,
|
|
&ett_mac_mgmt_msg_pkm_rsp_decoder,
|
|
};
|
|
|
|
proto_mac_mgmt_msg_pkm_decoder = proto_register_protocol (
|
|
"WiMax PKM-REQ/RSP Messages", /* name */
|
|
"WiMax PKM-REQ/RSP (pkm)", /* short name */
|
|
"wmx.pkm" /* abbrev */
|
|
);
|
|
|
|
proto_register_field_array(proto_mac_mgmt_msg_pkm_decoder, hf_pkm, array_length(hf_pkm));
|
|
proto_register_subtree_array(ett_pkm, array_length(ett_pkm));
|
|
}
|