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wireshark/epan/dissectors/packet-mka.c

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/* packet-mka.c
* Routines for EAPOL-MKA 802.1X authentication header disassembly
* Copyright 2014, Hitesh K Maisheri <maisheri.hitesh@gmail.com>
*
* (From IEEE Draft P802.1X/D11; is there a later draft, or a
* final standard? If so, check it.)
*
* 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/expert.h>
#define BASIC_PARAM_SET_TYPE 1
#define LIVE_PEER_LIST_TYPE 1
#define POTENTIAL_PEER_LIST_TYPE 2
#define MACSEC_SAK_USE_TYPE 3
#define DISTRIBUTED_SAK_TYPE 4
#define DISTRIBUTED_CAK_TYPE 5
#define KMD_TYPE 6
#define ICV_TYPE 255
void proto_register_mka(void);
static int proto_mka = -1;
static int hf_mka_version_id = -1;
static int hf_mka_basic_param_set = -1;
static int hf_mka_live_peer_list_set = -1;
static int hf_mka_potential_peer_list_set = -1;
static int hf_mka_macsec_sak_use_set = -1;
static int hf_mka_distributed_sak_set = -1;
static int hf_mka_distributed_cak_set = -1;
static int hf_mka_kmd_set = -1;
static int hf_mka_icv_set = -1;
static int hf_mka_param_set_type = -1;
static int hf_mka_keyserver_priority = -1;
static int hf_mka_key_server = -1;
static int hf_mka_macsec_desired = -1;
static int hf_mka_macsec_capability = -1;
static int hf_mka_param_body_length = -1;
static int hf_mka_sci = -1;
static int hf_mka_actor_mi = -1;
static int hf_mka_actor_mn = -1;
static int hf_mka_algo_agility = -1;
static int hf_mka_cak_name = -1;
static int hf_mka_latest_key_an = -1;
static int hf_mka_latest_key_tx = -1;
static int hf_mka_latest_key_rx = -1;
static int hf_mka_old_key_an = -1;
static int hf_mka_old_key_tx = -1;
static int hf_mka_old_key_rx = -1;
static int hf_mka_plain_tx = -1;
static int hf_mka_plain_rx = -1;
static int hf_mka_delay_protect = -1;
static int hf_mka_latest_key_server_mi = -1;
static int hf_mka_latest_key_number = -1;
static int hf_mka_latest_lowest_acceptable_pn = -1;
static int hf_mka_old_key_server_mi = -1;
static int hf_mka_old_key_number = -1;
static int hf_mka_old_lowest_acceptable_pn = -1;
static int hf_mka_distributed_an = -1;
static int hf_mka_confidentiality_offset = -1;
static int hf_mka_key_number = -1;
static int hf_mka_aes_key_wrap_sak = -1;
static int hf_mka_macsec_cipher_suite = -1;
static int hf_mka_aes_key_wrap_cak = -1;
static int hf_mka_kmd = -1;
static int hf_mka_icv = -1;
static expert_field ei_mka_undecoded = EI_INIT;
static expert_field ei_unexpected_data = EI_INIT;
static gint ett_mka = -1;
static gint ett_mka_basic_param_set = -1;
static gint ett_mka_peer_list_set = -1;
static gint ett_mka_sak_use_set = -1;
static gint ett_mka_distributed_sak_set = -1;
static gint ett_mka_distributed_cak_set = -1;
static gint ett_mka_kmd_set = -1;
static gint ett_mka_icv_set = -1;
static const value_string param_set_type_vals[] = {
{ 1, "Live Peer List" },
{ 2, "Potential Peer List" },
{ 3, "MACsec SAK Use" },
{ 4, "Distributed SAK" },
{ 5, "Distributed CAK" },
{ 6, "KMD" },
{ 7, "Announcement" },
{ 255, "ICV" },
{ 0, NULL }
};
static const value_string macsec_capability_type_vals[] = {
{ 0, "MACsec not implemented" },
{ 1, "MACsec Integrity without confidentiality" },
{ 2, "MACsec Integrity with no confidentiality offset" },
{ 3, "MACsec Integrity with confidentiality offset" },
{ 0, NULL }
};
static const val64_string macsec_cipher_suite_vals[] = {
{ G_GINT64_CONSTANT(0x0080C20001000001), "GCM-AES-128" },
{ G_GINT64_CONSTANT(0x0080C20001000002), "GCM-AES-256" },
{ G_GINT64_CONSTANT(0x0080C20001000003), "GCM-AES-XPN-128" },
{ G_GINT64_CONSTANT(0x0080C20001000004), "GCM-AES-XPN-256" },
{ 0, NULL }
};
static void
dissect_basic_paramset(proto_tree *mka_tree, tvbuff_t *tvb, int *offset_ptr)
{
int offset = *offset_ptr;
proto_tree *basic_param_set_tree;
proto_tree *ti;
guint16 basic_param_set_len;
guint16 cak_len;
basic_param_set_len = (tvb_get_ntohs(tvb, offset + 2)) & 0x0fff;
ti = proto_tree_add_item(mka_tree, hf_mka_basic_param_set, tvb, offset, basic_param_set_len + 4, ENC_NA);
basic_param_set_tree = proto_item_add_subtree(ti, ett_mka_basic_param_set);
proto_tree_add_item(basic_param_set_tree, hf_mka_version_id,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(basic_param_set_tree, hf_mka_keyserver_priority,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(basic_param_set_tree, hf_mka_key_server,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(basic_param_set_tree, hf_mka_macsec_desired,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(basic_param_set_tree, hf_mka_macsec_capability,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_uint(basic_param_set_tree, hf_mka_param_body_length,
tvb, offset, 2, basic_param_set_len);
offset += 2;
proto_tree_add_item(basic_param_set_tree, hf_mka_sci,
tvb, offset, 8, ENC_NA);
offset += 8;
proto_tree_add_item(basic_param_set_tree, hf_mka_actor_mi,
tvb, offset, 12, ENC_NA);
offset += 12;
proto_tree_add_item(basic_param_set_tree, hf_mka_actor_mn,
tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(basic_param_set_tree, hf_mka_algo_agility,
tvb, offset, 4, ENC_NA);
offset += 4;
cak_len = basic_param_set_len - 28;
proto_tree_add_item(basic_param_set_tree, hf_mka_cak_name,
tvb, offset, cak_len, ENC_NA);
offset += cak_len;
*offset_ptr = offset;
}
static void
dissect_peer_list(proto_tree *mka_tree, tvbuff_t *tvb, int *offset_ptr)
{
int offset = *offset_ptr;
proto_tree *peer_list_set_tree;
proto_tree *ti;
int hf_peer = -1;
gint16 peer_list_len;
if (tvb_get_guint8(tvb, offset) == LIVE_PEER_LIST_TYPE) {
hf_peer = hf_mka_live_peer_list_set;
} else {
hf_peer = hf_mka_potential_peer_list_set;
}
peer_list_len = (tvb_get_ntohs(tvb, offset + 2)) & 0x0fff;
ti = proto_tree_add_item(mka_tree, hf_peer, tvb, offset, peer_list_len + 4, ENC_NA);
peer_list_set_tree = proto_item_add_subtree(ti, ett_mka_peer_list_set);
proto_tree_add_item(peer_list_set_tree, hf_mka_param_set_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_uint(peer_list_set_tree, hf_mka_param_body_length,
tvb, offset, 2, peer_list_len);
offset += 2;
while (peer_list_len > 0) {
proto_tree_add_item(peer_list_set_tree, hf_mka_actor_mi,
tvb, offset, 12, ENC_NA);
offset += 12;
proto_tree_add_item(peer_list_set_tree, hf_mka_actor_mn,
tvb, offset, 4, ENC_NA);
offset += 4;
peer_list_len -= 16;
}
*offset_ptr = offset;
}
static void
dissect_sak_use(proto_tree *mka_tree, tvbuff_t *tvb, int *offset_ptr)
{
int offset = *offset_ptr;
proto_tree *sak_use_set_tree;
proto_tree *ti;
guint16 sak_use_len;
sak_use_len = (tvb_get_ntohs(tvb, offset + 2)) & 0x0fff;
ti = proto_tree_add_item(mka_tree, hf_mka_macsec_sak_use_set, tvb, offset, sak_use_len + 4, ENC_NA);
sak_use_set_tree = proto_item_add_subtree(ti, ett_mka_sak_use_set);
proto_tree_add_item(sak_use_set_tree, hf_mka_param_set_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(sak_use_set_tree, hf_mka_latest_key_an,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sak_use_set_tree, hf_mka_latest_key_tx,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sak_use_set_tree, hf_mka_latest_key_rx,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sak_use_set_tree, hf_mka_old_key_an,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sak_use_set_tree, hf_mka_old_key_tx,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sak_use_set_tree, hf_mka_old_key_rx,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(sak_use_set_tree, hf_mka_plain_tx,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sak_use_set_tree, hf_mka_plain_rx,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(sak_use_set_tree, hf_mka_delay_protect,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_uint(sak_use_set_tree, hf_mka_param_body_length,
tvb, offset, 2, sak_use_len);
offset += 2;
proto_tree_add_item(sak_use_set_tree, hf_mka_latest_key_server_mi,
tvb, offset, 12, ENC_NA);
offset += 12;
proto_tree_add_item(sak_use_set_tree, hf_mka_latest_key_number,
tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(sak_use_set_tree, hf_mka_latest_lowest_acceptable_pn,
tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(sak_use_set_tree, hf_mka_old_key_server_mi,
tvb, offset, 12, ENC_NA);
offset += 12;
proto_tree_add_item(sak_use_set_tree, hf_mka_old_key_number,
tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(sak_use_set_tree, hf_mka_old_lowest_acceptable_pn,
tvb, offset, 4, sak_use_len);
offset += 4;
*offset_ptr = offset;
}
static void
dissect_distributed_sak(proto_tree *mka_tree, packet_info *pinfo, tvbuff_t *tvb, int *offset_ptr)
{
int offset = *offset_ptr;
guint16 distributed_sak_len;
proto_tree *distributed_sak_tree;
proto_tree *ti;
distributed_sak_len = (tvb_get_ntohs(tvb, offset + 2)) & 0x0fff;
ti = proto_tree_add_item(mka_tree, hf_mka_distributed_sak_set, tvb, offset, distributed_sak_len + 4, ENC_NA);
distributed_sak_tree = proto_item_add_subtree(ti, ett_mka_distributed_sak_set);
proto_tree_add_item(distributed_sak_tree, hf_mka_param_set_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(distributed_sak_tree, hf_mka_distributed_an,
tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(distributed_sak_tree, hf_mka_confidentiality_offset,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_uint(distributed_sak_tree, hf_mka_param_body_length,
tvb, offset, 2, distributed_sak_len);
offset += 2;
switch (distributed_sak_len) {
case 28:
proto_tree_add_item(distributed_sak_tree, hf_mka_key_number,
tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(distributed_sak_tree, hf_mka_aes_key_wrap_sak,
tvb, offset, 24, ENC_NA);
offset += 24;
break;
case 36:
proto_tree_add_item(distributed_sak_tree, hf_mka_key_number,
tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(distributed_sak_tree, hf_mka_macsec_cipher_suite,
tvb, offset, 8, ENC_NA);
offset += 8;
proto_tree_add_item(distributed_sak_tree, hf_mka_aes_key_wrap_sak,
tvb, offset, 24, ENC_NA);
offset += 24;
break;
case 52:
proto_tree_add_item(distributed_sak_tree, hf_mka_key_number,
tvb, offset, 4, ENC_NA);
offset += 4;
proto_tree_add_item(distributed_sak_tree, hf_mka_macsec_cipher_suite,
tvb, offset, 8, ENC_NA);
offset += 8;
proto_tree_add_item(distributed_sak_tree, hf_mka_aes_key_wrap_sak,
tvb, offset, 40, ENC_NA);
offset += 40;
break;
default:
proto_tree_add_expert(distributed_sak_tree, pinfo, &ei_mka_undecoded, tvb, offset, distributed_sak_len);
offset += distributed_sak_len;
}
*offset_ptr = offset;
}
static void
dissect_distributed_cak(proto_tree *mka_tree, tvbuff_t *tvb, int *offset_ptr)
{
int offset = *offset_ptr;
guint16 distributed_cak_len;
proto_tree *distributed_cak_tree;
proto_tree *ti;
guint16 cak_len;
distributed_cak_len = (tvb_get_ntohs(tvb, offset + 2)) & 0x0fff;
ti = proto_tree_add_item(mka_tree, hf_mka_distributed_cak_set, tvb, offset, distributed_cak_len + 4, ENC_NA);
distributed_cak_tree = proto_item_add_subtree(ti, ett_mka_distributed_cak_set);
proto_tree_add_item(distributed_cak_tree, hf_mka_param_set_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_uint(distributed_cak_tree, hf_mka_param_body_length,
tvb, offset, 2, distributed_cak_len);
offset += 2;
proto_tree_add_item(distributed_cak_tree, hf_mka_aes_key_wrap_cak,
tvb, offset, 24, ENC_NA);
offset += 24;
cak_len = distributed_cak_len - 24;
proto_tree_add_item(distributed_cak_tree, hf_mka_cak_name,
tvb, offset, cak_len, ENC_NA);
offset += cak_len;
*offset_ptr = offset;
}
static void
dissect_kmd(proto_tree *mka_tree, tvbuff_t *tvb, int *offset_ptr)
{
int offset = *offset_ptr;
guint16 kmd_len;
proto_tree *kmd_set_tree;
proto_tree *ti;
kmd_len = (tvb_get_ntohs(tvb, offset + 2)) & 0x0fff;
ti = proto_tree_add_item(mka_tree, hf_mka_kmd_set, tvb, offset, kmd_len + 4, ENC_NA);
kmd_set_tree = proto_item_add_subtree(ti, ett_mka_kmd_set);
proto_tree_add_item(kmd_set_tree, hf_mka_param_set_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_uint(kmd_set_tree, hf_mka_param_body_length,
tvb, offset, 2, kmd_len);
offset += 2;
proto_tree_add_item(kmd_set_tree, hf_mka_kmd,
tvb, offset, kmd_len, ENC_NA);
offset += kmd_len;
*offset_ptr = offset;
}
static void
dissect_icv(proto_tree *mka_tree, tvbuff_t *tvb, int *offset_ptr)
{
int offset = *offset_ptr;
guint16 icv_len;
proto_tree *icv_set_tree;
proto_tree *ti;
icv_len = (tvb_get_ntohs(tvb, offset + 2)) & 0x0fff;
ti = proto_tree_add_item(mka_tree, hf_mka_icv_set, tvb, offset, icv_len + 4, ENC_NA);
icv_set_tree = proto_item_add_subtree(ti, ett_mka_icv_set);
proto_tree_add_item(icv_set_tree, hf_mka_param_set_type,
tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_uint(icv_set_tree, hf_mka_param_body_length,
tvb, offset, 2, icv_len);
offset += 2;
proto_tree_add_item(icv_set_tree, hf_mka_icv,
tvb, offset, icv_len, ENC_NA);
offset += icv_len;
*offset_ptr = offset;
}
static int
dissect_mka(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
int offset = 0;
guint8 mka_version_type = 0;
proto_tree *ti;
proto_tree *mka_tree;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "EAPOL-MKA");
col_clear(pinfo->cinfo, COL_INFO);
ti = proto_tree_add_item(tree, proto_mka, tvb, 0, -1, ENC_NA);
mka_tree = proto_item_add_subtree(ti, ett_mka);
/*
* The 802.1X-2010 spec specifies support for MKA version 1 only
*/
mka_version_type = tvb_get_guint8(tvb, offset);
if (mka_version_type != 1) {
expert_add_info(pinfo, ti, &ei_unexpected_data);
}
/*
* Basic Parameter set is always the first parameter set, dissect it first !
*/
dissect_basic_paramset(mka_tree, tvb, &offset);
while(tvb_reported_length_remaining(tvb, offset) > 0) {
switch (tvb_get_guint8(tvb, offset)) {
case LIVE_PEER_LIST_TYPE:
case POTENTIAL_PEER_LIST_TYPE:
dissect_peer_list(mka_tree, tvb, &offset);
break;
case MACSEC_SAK_USE_TYPE:
dissect_sak_use(mka_tree, tvb, &offset);
break;
case DISTRIBUTED_SAK_TYPE:
dissect_distributed_sak(mka_tree, pinfo, tvb, &offset);
break;
case DISTRIBUTED_CAK_TYPE:
dissect_distributed_cak(mka_tree, tvb, &offset);
break;
case KMD_TYPE:
dissect_kmd(mka_tree, tvb, &offset);
break;
case ICV_TYPE:
dissect_icv(mka_tree, tvb, &offset);
break;
default:
proto_tree_add_expert(mka_tree, pinfo, &ei_mka_undecoded, tvb, offset, -1);
offset += tvb_reported_length_remaining(tvb, offset);
}
}
return tvb_captured_length(tvb);
}
void
proto_register_mka(void)
{
expert_module_t *expert_mka = NULL;
static ei_register_info ei[] = {
{ &ei_mka_undecoded, {
"mka.expert.undecoded_data", PI_UNDECODED, PI_WARN, "Undecoded data", EXPFILL }},
{ &ei_unexpected_data, {
"mka.expert.unexpected_data", PI_PROTOCOL, PI_WARN, "Unexpected data", EXPFILL }},
};
static hf_register_info hf[] = {
{ &hf_mka_version_id, {
"MKA Version Identifier", "mka.version_id",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_basic_param_set, {
"Basic Parameter set", "mka.basic_param_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_live_peer_list_set, {
"Live Peer List Parameter set", "mka.live_peer_list_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_potential_peer_list_set, {
"Potential Peer List Parameter set", "mka.live_peer_list_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_macsec_sak_use_set, {
"MACsec SAK Use parameter set", "mka.macsec_sak_use_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_distributed_sak_set, {
"Distributed SAK parameter set", "mka.distributed_sak_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_distributed_cak_set, {
"Distributed CAK parameter set", "mka.distributed_cak_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_kmd_set, {
"Key Management Domain set", "mka.basic_kmd_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_icv_set, {
"Integrity Check Value Set", "mka.basic_icv_set",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_param_set_type, {
"Parameter set type", "mka.param_set_type",
FT_UINT8, BASE_DEC, VALS(param_set_type_vals), 0x0,
NULL, HFILL }},
{ &hf_mka_keyserver_priority, {
"Key Server Priority", "mka.ks_prio",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_key_server, {
"Key Server", "mka.key_server",
FT_BOOLEAN, 8, NULL, 0x80,
NULL, HFILL }},
{ &hf_mka_macsec_desired, {
"MACsec Desired", "mka.macsec_desired",
FT_BOOLEAN, 8, NULL, 0x40,
NULL, HFILL }},
{ &hf_mka_macsec_capability, {
"MACsec Capability", "mka.macsec_capability",
FT_UINT8, BASE_DEC, VALS(macsec_capability_type_vals), 0x30,
NULL, HFILL }},
{ &hf_mka_param_body_length, {
"Parameter set body length", "mka.param_body_length",
FT_UINT16, BASE_DEC, NULL, 0x0fff,
NULL, HFILL }},
{ &hf_mka_sci, {
"SCI", "mka.sci",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_actor_mi, {
"Actor Member Identifier", "mka.actor_mi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_actor_mn, {
"Actor Message Number", "mka.actor_mn",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_algo_agility, {
"Algorithm Agility", "mka.algo_agility",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_cak_name, {
"CAK Name", "mka.cak_name",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_latest_key_an, {
"Latest Key AN", "mka.latest_key_an",
FT_UINT8, BASE_DEC, NULL, 0xc0,
NULL, HFILL }},
{ &hf_mka_latest_key_tx, {
"Latest Key tx", "mka.latest_key_tx",
FT_BOOLEAN, 8, NULL, 0x20,
NULL, HFILL }},
{ &hf_mka_latest_key_rx, {
"Latest Key rx", "mka.latest_key_rx",
FT_BOOLEAN, 8, NULL, 0x10,
NULL, HFILL }},
{ &hf_mka_old_key_an, {
"Old Key AN", "mka.old_key_an",
FT_UINT8, BASE_DEC, NULL, 0x0c,
NULL, HFILL }},
{ &hf_mka_old_key_tx, {
"Old Key tx", "mka.old_key_tx",
FT_BOOLEAN, 8, NULL, 0x02,
NULL, HFILL }},
{ &hf_mka_old_key_rx, {
"Old Key rx", "mka.old_key_rx",
FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }},
{ &hf_mka_plain_tx, {
"Plain tx", "mka.plain_tx",
FT_BOOLEAN, 8, NULL, 0x80,
NULL, HFILL }},
{ &hf_mka_plain_rx, {
"Plain rx", "mka.plain_rx",
FT_BOOLEAN, 8, NULL, 0x40,
NULL, HFILL }},
{ &hf_mka_delay_protect, {
"Delay protect", "mka.delay_protect",
FT_BOOLEAN, 8, NULL, 0x10,
NULL, HFILL }},
{ &hf_mka_latest_key_server_mi, {
"Latest Key: Key Sever Member Identifier", "mka.latest_key_server_mi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_latest_key_number, {
"Latest Key: Key Number", "mka.latest_key_number",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_latest_lowest_acceptable_pn, {
"Latest Key: Lowest Acceptable PN", "mka.latest_lowest_acceptable_pn",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_old_key_server_mi, {
"Old Key: Key Sever Member Identifier", "mka.old_key_server_mi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_old_key_number, {
"Old Key: Key Number", "mka.old_key_number",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_old_lowest_acceptable_pn, {
"Old Key: Lowest Acceptable PN", "mka.old_lowest_acceptable_pn",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_distributed_an, {
"Distributed AN", "mka.distributed_an",
FT_UINT8, BASE_DEC, NULL, 0xc0,
NULL, HFILL }},
{ &hf_mka_confidentiality_offset, {
"Confidentiality Offset", "mka.confidentiality_offset",
FT_UINT8, BASE_DEC, NULL, 0x30,
NULL, HFILL }},
{ &hf_mka_key_number, {
"Key Number", "mka.key_number",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_aes_key_wrap_sak, {
"AES Key Wrap of SAK", "mka.aes_key_wrap_sak",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_aes_key_wrap_cak, {
"AES Key Wrap of CAK", "mka.aes_key_wrap_cak",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_macsec_cipher_suite, {
"MACsec Cipher Suite", "mka.macsec_cipher_suite",
FT_UINT64, BASE_HEX|BASE_VAL64_STRING, VALS64(macsec_cipher_suite_vals), 0x0,
NULL, HFILL }},
{ &hf_mka_kmd, {
"Key Management Domain", "mka.kmd",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mka_icv, {
"Integrity Check Value", "mka.icv",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
};
static gint *ett[] = {
&ett_mka,
&ett_mka_basic_param_set,
&ett_mka_peer_list_set,
&ett_mka_sak_use_set,
&ett_mka_distributed_sak_set,
&ett_mka_distributed_cak_set,
&ett_mka_kmd_set,
&ett_mka_icv_set
};
proto_mka = proto_register_protocol("MACsec Key Agreement", "EAPOL-MKA", "mka");
register_dissector("mka", dissect_mka, proto_mka);
proto_register_field_array(proto_mka, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_mka = expert_register_protocol(proto_mka);
expert_register_field_array(expert_mka, ei, array_length(ei));
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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