wireshark/packet-mip6.c

689 lines
25 KiB
C

/* packet-mip6.c
*
* $Id: packet-mip6.c,v 1.2 2003/02/13 22:23:20 guy Exp $
*
* Routines for Mobile IPv6 dissection (draft-ietf-mobileip-ipv6-20.txt)
* Copyright 2003 Oy L M Ericsson Ab <teemu.rinta-aho@ericsson.fi>
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <epan/packet.h>
#include "ipproto.h"
#include "packet-mip6.h"
/* Initialize the protocol and registered header fields */
static int proto_mip6 = -1;
static int hf_mip6_proto = -1;
static int hf_mip6_hlen = -1;
static int hf_mip6_mhtype = -1;
static int hf_mip6_reserved = -1;
static int hf_mip6_csum = -1;
static int hf_mip6_hoti_cookie = -1;
static int hf_mip6_coti_cookie = -1;
static int hf_mip6_hot_nindex = -1;
static int hf_mip6_hot_cookie = -1;
static int hf_mip6_hot_token = -1;
static int hf_mip6_cot_nindex = -1;
static int hf_mip6_cot_cookie = -1;
static int hf_mip6_cot_token = -1;
static int hf_mip6_bu_seqnr = -1;
static int hf_mip6_bu_a_flag = -1;
static int hf_mip6_bu_h_flag = -1;
static int hf_mip6_bu_l_flag = -1;
static int hf_mip6_bu_k_flag = -1;
static int hf_mip6_bu_lifetime = -1;
static int hf_mip6_ba_status = -1;
static int hf_mip6_ba_k_flag = -1;
static int hf_mip6_ba_seqnr = -1;
static int hf_mip6_ba_lifetime = -1;
static int hf_mip6_be_status = -1;
static int hf_mip6_be_haddr = -1;
static int hf_mip6_bra_interval = -1;
static int hf_mip6_acoa_acoa = -1;
static int hf_mip6_ni_hni = -1;
static int hf_mip6_ni_cni = -1;
static int hf_mip6_bad_auth = -1;
/* Initialize the subtree pointers */
static gint ett_mip6 = -1;
/* Functions to dissect the mobility headers */
static int
dissect_mip6_brr(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Binding Refresh Request");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BRR_LEN, "Binding Refresh Request");
data_tree = proto_item_add_subtree(ti, ett_mip6);
}
return MIP6_DATA_OFF+MIP6_BRR_LEN;
}
static int
dissect_mip6_hoti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Home Test Init");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_HOTI_LEN, "Home Test Init");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_hoti_cookie, tvb,
MIP6_HOTI_COOKIE_OFF, MIP6_HOTI_COOKIE_LEN, FALSE);
}
return MIP6_DATA_OFF+MIP6_HOTI_LEN;
}
static int
dissect_mip6_coti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test Init");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_COTI_LEN, "Care-of Test Init");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_coti_cookie, tvb,
MIP6_COTI_COOKIE_OFF, MIP6_COTI_COOKIE_LEN, FALSE);
}
return MIP6_DATA_OFF+MIP6_COTI_LEN;
}
static int
dissect_mip6_hot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Home Test");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_HOT_LEN, "Home Test");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_hot_nindex, tvb,
MIP6_HOT_INDEX_OFF, MIP6_HOT_INDEX_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_hot_cookie, tvb,
MIP6_HOT_COOKIE_OFF, MIP6_HOT_COOKIE_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb,
MIP6_HOT_TOKEN_OFF, MIP6_HOT_TOKEN_LEN, FALSE);
}
return MIP6_DATA_OFF+MIP6_HOT_LEN;
}
static int
dissect_mip6_cot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_COT_LEN, "Care-of Test");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_cot_nindex, tvb,
MIP6_COT_INDEX_OFF, MIP6_COT_INDEX_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_cot_cookie, tvb,
MIP6_COT_COOKIE_OFF, MIP6_COT_COOKIE_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb,
MIP6_COT_TOKEN_OFF, MIP6_COT_TOKEN_LEN, FALSE);
}
return MIP6_DATA_OFF+MIP6_COT_LEN;
}
static int
dissect_mip6_bu(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
int lifetime;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Binding Update");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BU_LEN, "Binding Update");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_bu_seqnr, tvb,
MIP6_BU_SEQNR_OFF, MIP6_BU_SEQNR_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_bu_a_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_bu_h_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_bu_l_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_bu_k_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
lifetime = tvb_get_ntohs(tvb, MIP6_BU_LIFETIME_OFF);
proto_tree_add_uint_format(data_tree, hf_mip6_bu_lifetime, tvb,
MIP6_BU_LIFETIME_OFF,
MIP6_BU_LIFETIME_LEN, lifetime,
"Lifetime: %d (%ld seconds)",
lifetime, (long)lifetime * 4);
}
return MIP6_DATA_OFF+MIP6_BU_LEN;
}
static int
dissect_mip6_ba(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
int lifetime;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Binding Acknowledgement");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BA_LEN, "Binding Acknowledgement");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_ba_status, tvb,
MIP6_BA_STATUS_OFF, MIP6_BA_STATUS_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_ba_k_flag, tvb,
MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_ba_seqnr, tvb,
MIP6_BA_SEQNR_OFF, MIP6_BA_SEQNR_LEN, FALSE);
lifetime = tvb_get_ntohs(tvb, MIP6_BA_LIFETIME_OFF);
proto_tree_add_uint_format(data_tree, hf_mip6_ba_lifetime, tvb,
MIP6_BA_LIFETIME_OFF,
MIP6_BA_LIFETIME_LEN, lifetime,
"Lifetime: %d (%ld seconds)",
lifetime, (long)lifetime * 4);
}
return MIP6_DATA_OFF+MIP6_BA_LEN;
}
static int
dissect_mip6_be(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Binding Error");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BE_LEN, "Binding Error");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_be_status, tvb,
MIP6_BE_STATUS_OFF, MIP6_BE_STATUS_LEN, FALSE);
proto_tree_add_item(data_tree, hf_mip6_be_haddr, tvb,
MIP6_BE_HOA_OFF, MIP6_BE_HOA_LEN, FALSE);
}
return MIP6_DATA_OFF+MIP6_BE_LEN;
}
static int
dissect_mip6_unknown(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Unknown MH Type");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_DATA_OFF+1, "Unknown MH Type");
data_tree = proto_item_add_subtree(ti, ett_mip6);
}
return MIP6_DATA_OFF+1;
}
/* Functions to dissect the mobility options */
static int
dissect_mip6_opt_pad1(tvbuff_t *tvb, proto_tree *opts_tree, int offset)
{
int len;
len = 1;
proto_tree_add_text(opts_tree, tvb, offset, len, "Pad1");
return offset+len;
}
static int
dissect_mip6_opt_padn(tvbuff_t *tvb, proto_tree *opts_tree, int offset)
{
int len;
len = (tvb_get_guint8(tvb, offset + 1)) + 2;
proto_tree_add_text(opts_tree, tvb, offset, len, "PadN: %u bytes", len);
return offset+len;
}
static int
dissect_mip6_opt_bra(tvbuff_t *tvb, proto_tree *opts_tree, int offset)
{
proto_tree *opt_tree = NULL;
proto_item *ti;
int len, ri;
len = (tvb_get_guint8(tvb, offset + 1)) + 2;
ti = proto_tree_add_text(opts_tree, tvb, offset, len,
"Binding Refresh Advice");
opt_tree = proto_item_add_subtree(ti, ett_mip6);
ri = tvb_get_ntohs(tvb, offset+MIP6_BRA_RI_OFF);
proto_tree_add_uint_format(opt_tree, hf_mip6_bra_interval, tvb,
offset+MIP6_BRA_RI_OFF, MIP6_BRA_RI_LEN,
ri, "Refresh interval: %d (%ld seconds)",
ri, (long)ri * 4);
return offset+len;
}
static int
dissect_mip6_opt_acoa(tvbuff_t *tvb, proto_tree *opts_tree, int offset)
{
proto_tree *opt_tree = NULL;
proto_item *ti;
int len;
len = (tvb_get_guint8(tvb, offset + 1)) + 2;
ti = proto_tree_add_text(opts_tree, tvb, offset, len,
"Alternate Care-of Address");
opt_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(opt_tree, hf_mip6_acoa_acoa, tvb,
offset+MIP6_ACOA_ACOA_OFF, MIP6_ACOA_ACOA_LEN, FALSE);
return offset+len;
}
static int
dissect_mip6_opt_ni(tvbuff_t *tvb, proto_tree *opts_tree, int offset)
{
proto_tree *opt_tree = NULL;
proto_item *ti;
int len;
len = (tvb_get_guint8(tvb, offset + 1)) + 2;
ti = proto_tree_add_text(opts_tree, tvb, offset, len, "Nonce Indices");
opt_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(opt_tree, hf_mip6_ni_hni, tvb,
offset+MIP6_NI_HNI_OFF, MIP6_NI_HNI_LEN, FALSE);
proto_tree_add_item(opt_tree, hf_mip6_ni_cni, tvb,
offset+MIP6_NI_CNI_OFF, MIP6_NI_CNI_LEN, FALSE);
return offset+len;
}
static int
dissect_mip6_opt_bad(tvbuff_t *tvb, proto_tree *opts_tree, int offset)
{
proto_tree *opt_tree = NULL;
proto_item *ti;
int len;
len = (tvb_get_guint8(tvb, offset + 1)) + 2;
ti = proto_tree_add_text(opts_tree, tvb, offset, len,
"Binding Authorization Data");
opt_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(opt_tree, hf_mip6_bad_auth, tvb,
offset+MIP6_BAD_AUTH_OFF, MIP6_BAD_AUTH_LEN, FALSE);
return offset+len;
}
static int
dissect_mip6_opt_unknown(tvbuff_t *tvb, proto_tree *opts_tree, int offset)
{
int len;
len = (tvb_get_guint8(tvb, offset + 1)) + 2;
proto_tree_add_text(opts_tree, tvb, offset, len, "Unknown option");
return offset+len;
}
/* Function to dissect mobility options */
static int
dissect_mip6_options(tvbuff_t *tvb, proto_tree *mip6_tree, int offset, int len)
{
proto_tree *opts_tree = NULL;
proto_item *ti;
guint8 type;
if (!mip6_tree)
return len;
ti = proto_tree_add_text(mip6_tree, tvb, offset, len - offset,
"Mobility Options");
opts_tree = proto_item_add_subtree(ti, ett_mip6);
while (offset < len) {
type = tvb_get_guint8(tvb, offset);
switch (type) {
case PAD1:
offset = dissect_mip6_opt_pad1(tvb, opts_tree, offset);
break;
case PADN:
offset = dissect_mip6_opt_padn(tvb, opts_tree, offset);
break;
case BRA:
offset = dissect_mip6_opt_bra(tvb, opts_tree, offset);
break;
case ACOA:
offset = dissect_mip6_opt_acoa(tvb, opts_tree, offset);
break;
case NI:
offset = dissect_mip6_opt_ni(tvb, opts_tree, offset);
break;
case BAD:
offset = dissect_mip6_opt_bad(tvb, opts_tree, offset);
break;
default:
dissect_mip6_opt_unknown(tvb, opts_tree, offset);
offset = len;
}
}
return len;
}
/* Function that dissects the whole MIPv6 packet */
static void
dissect_mip6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_tree *mip6_tree = NULL;
proto_item *ti;
guint8 type;
guint len, offset = 0;
/* Make entries in Protocol column and Info column on summary display */
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "MIPv6");
if (check_col(pinfo->cinfo, COL_INFO))
col_clear(pinfo->cinfo, COL_INFO);
len = (tvb_get_guint8(tvb, MIP6_HLEN_OFF) + 1) * 8;
if (tree) {
ti = proto_tree_add_item(tree, proto_mip6, tvb, 0, len, FALSE);
mip6_tree = proto_item_add_subtree(ti, ett_mip6);
/* Process header fields */
proto_tree_add_uint_format(mip6_tree, hf_mip6_proto, tvb,
MIP6_PROTO_OFF, 1,
tvb_get_guint8(tvb, MIP6_PROTO_OFF),
"Payload protocol: %s (0x%02x)",
ipprotostr(
tvb_get_guint8(tvb, MIP6_PROTO_OFF)),
tvb_get_guint8(tvb, MIP6_PROTO_OFF));
proto_tree_add_uint_format(mip6_tree, hf_mip6_hlen, tvb,
MIP6_HLEN_OFF, 1,
tvb_get_guint8(tvb, MIP6_HLEN_OFF),
"Header length: %u (%u bytes)",
tvb_get_guint8(tvb, MIP6_HLEN_OFF),
len);
proto_tree_add_item(mip6_tree, hf_mip6_mhtype, tvb,
MIP6_TYPE_OFF, 1, FALSE);
proto_tree_add_item(mip6_tree, hf_mip6_reserved, tvb,
MIP6_RES_OFF, 1, FALSE);
proto_tree_add_item(mip6_tree, hf_mip6_csum, tvb,
MIP6_CSUM_OFF, 2, FALSE);
}
/* Process mobility header */
type = tvb_get_guint8(tvb, MIP6_TYPE_OFF);
switch (type) {
case BRR:
offset = dissect_mip6_brr(tvb, mip6_tree, pinfo);
break;
case HOTI:
offset = dissect_mip6_hoti(tvb, mip6_tree, pinfo);
break;
case COTI:
offset = dissect_mip6_coti(tvb, mip6_tree, pinfo);
break;
case HOT:
offset = dissect_mip6_hot(tvb, mip6_tree, pinfo);
break;
case COT:
offset = dissect_mip6_cot(tvb, mip6_tree, pinfo);
break;
case BU:
offset = dissect_mip6_bu(tvb, mip6_tree, pinfo);
break;
case BA:
offset = dissect_mip6_ba(tvb, mip6_tree, pinfo);
break;
case BE:
offset = dissect_mip6_be(tvb, mip6_tree, pinfo);
break;
default:
dissect_mip6_unknown(tvb, mip6_tree, pinfo);
offset = len;
break;
}
/* Process mobility options */
if (offset < len)
dissect_mip6_options(tvb, mip6_tree, offset, len);
}
/* Register the protocol with Ethereal */
void
proto_register_mip6(void)
{
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_mip6_proto, { "Payload protocol", "mip6.proto",
FT_UINT8, BASE_DEC, NULL, 0,
"Payload protocol", HFILL }},
{ &hf_mip6_hlen, { "Header length", "mip6.hlen",
FT_UINT8, BASE_DEC, NULL, 0,
"Header length", HFILL }},
{ &hf_mip6_mhtype, { "Mobility Header Type", "mip6.mhtype",
FT_UINT8, BASE_DEC, VALS(mip6_mh_types), 0,
"Mobility Header Type", HFILL }},
{ &hf_mip6_reserved, { "Reserved", "mip6.reserved",
FT_UINT8, BASE_HEX, NULL, 0,
"Reserved", HFILL }},
{ &hf_mip6_csum, { "Checksum", "mip6.csum",
FT_UINT16, BASE_HEX, NULL, 0,
"Header Checksum", HFILL }},
{ &hf_mip6_hoti_cookie, { "Home Init Cookie", "mip6.hoti.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
"Home Init Cookie", HFILL }},
{ &hf_mip6_coti_cookie, { "Care-of Init Cookie", "mip6.coti.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
"Care-of Init Cookie", HFILL }},
{ &hf_mip6_hot_nindex, { "Home Nonce Index", "mip6.hot.nindex",
FT_UINT16, BASE_DEC, NULL, 0,
"Home Nonce Index", HFILL }},
{ &hf_mip6_hot_cookie, { "Home Init Cookie", "mip6.hot.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
"Home Init Cookie", HFILL }},
{ &hf_mip6_hot_token, { "Home Keygen Token", "mip6.hot.token",
FT_UINT64, BASE_HEX, NULL, 0,
"Home Keygen Token", HFILL }},
{ &hf_mip6_cot_nindex, { "Care-of Nonce Index", "mip6.cot.nindex",
FT_UINT16, BASE_DEC, NULL, 0,
"Care-of Nonce Index", HFILL }},
{ &hf_mip6_cot_cookie, { "Care-of Init Cookie", "mip6.cot.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
"Care-of Init Cookie", HFILL }},
{ &hf_mip6_cot_token, { "Care-of Keygen Token", "mip6.cot.token",
FT_UINT64, BASE_HEX, NULL, 0,
"Care-of Keygen Token", HFILL }},
{ &hf_mip6_bu_seqnr, { "Sequence number", "mip6.bu.seqnr",
FT_UINT16, BASE_DEC, NULL, 0,
"Sequence number", HFILL }},
{ &hf_mip6_bu_a_flag, { "Acknowledge (A) flag", "mip6.bu.a_flag",
FT_BOOLEAN, 8, TFS(&mip6_bu_a_flag_value),
0x80, "Acknowledge (A) flag", HFILL }},
{ &hf_mip6_bu_h_flag, { "Home Registration (H) flag",
"mip6.bu.h_flag",
FT_BOOLEAN, 8, TFS(&mip6_bu_h_flag_value),
0x40, "Home Registration (H) flag", HFILL }},
{ &hf_mip6_bu_l_flag, { "Link-Local Compatibility (L) flag",
"mip6.bu.l_flag",
FT_BOOLEAN, 8, TFS(&mip6_bu_l_flag_value),
0x20, "Home Registration (H) flag", HFILL }},
{ &hf_mip6_bu_k_flag, { "Key Management Compatibility (K) flag",
"mip6.bu.k_flag",
FT_BOOLEAN, 8, TFS(&mip6_bu_k_flag_value),
0x10, "Key Management Compatibility (K) flag",
HFILL }},
{ &hf_mip6_bu_lifetime, { "Lifetime", "mip6.bu.lifetime",
FT_UINT16, BASE_DEC, NULL, 0,
"Lifetime", HFILL }},
{ &hf_mip6_ba_status, { "Status", "mip6.ba.status",
FT_UINT8, BASE_DEC,
VALS(&mip6_ba_status_value), 0,
"Binding Acknowledgement status", HFILL }},
{ &hf_mip6_ba_k_flag, { "Key Management Compatibility (K) flag",
"mip6.ba.k_flag",
FT_BOOLEAN, 8, TFS(&mip6_bu_k_flag_value),
0x80, "Key Management Compatibility (K) flag",
HFILL }},
{ &hf_mip6_ba_seqnr, { "Sequence number", "mip6.ba.seqnr",
FT_UINT16, BASE_DEC, NULL, 0,
"Sequence number", HFILL }},
{ &hf_mip6_ba_lifetime, { "Lifetime", "mip6.ba.lifetime",
FT_UINT16, BASE_DEC, NULL, 0,
"Lifetime", HFILL }},
{ &hf_mip6_be_status, { "Status", "mip6.be.status",
FT_UINT8, BASE_DEC,
VALS(&mip6_be_status_value), 0,
"Binding Error status", HFILL }},
{ &hf_mip6_be_haddr, { "Home Address", "mip6.be.haddr",
FT_IPv6, BASE_HEX, NULL, 0,
"Home Address", HFILL }},
{ &hf_mip6_bra_interval, { "Refresh interval", "mip6.bra.interval",
FT_UINT16, BASE_DEC, NULL, 0,
"Refresh interval", HFILL }},
{ &hf_mip6_acoa_acoa, { "Alternate care-of address", "mip6.acoa.acoa",
FT_IPv6, BASE_HEX, NULL, 0,
"Alternate Care-of address", HFILL }},
{ &hf_mip6_ni_hni, { "Home nonce index", "mip6.ni.hni",
FT_UINT16, BASE_DEC, NULL, 0,
"Home nonce index", HFILL }},
{ &hf_mip6_ni_cni, { "Care-of nonce index", "mip6.ni.cni",
FT_UINT16, BASE_DEC, NULL, 0,
"Care-of nonce index", HFILL }},
{ &hf_mip6_bad_auth, { "Authenticator", "mip6.bad.auth",
FT_BYTES, BASE_HEX, NULL, 0,
"Care-of nonce index", HFILL }}
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_mip6
};
/* Register the protocol name and description */
proto_mip6 = proto_register_protocol("Mobile IPv6", "MIPv6", "mipv6");
/* Register the dissector by name */
/* register_dissector("mipv6", dissect_mip6, proto_mip6); */
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_mip6, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
};
void
proto_reg_handoff_mip6(void)
{
dissector_handle_t mip6_handle;
/* mip6_handle = find_dissector("mipv6"); */
mip6_handle = create_dissector_handle(dissect_mip6, proto_mip6);
dissector_add("ip.proto", IP_PROTO_MIPV6, mip6_handle);
}