forked from osmocom/wireshark
693 lines
25 KiB
C
693 lines
25 KiB
C
/* packet-mip6.c
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*
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* $Id: packet-mip6.c,v 1.7 2004/03/30 17:52:15 guy Exp $
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*
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* Routines for Mobile IPv6 dissection (draft-ietf-mobileip-ipv6-20.txt)
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* Copyright 2003 Oy L M Ericsson Ab <teemu.rinta-aho@ericsson.fi>
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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 <epan/packet.h>
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#include "ipproto.h"
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#include "ip_opts.h"
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#include "packet-mip6.h"
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/* Initialize the protocol and registered header fields */
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static int proto_mip6 = -1;
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static int hf_mip6_proto = -1;
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static int hf_mip6_hlen = -1;
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static int hf_mip6_mhtype = -1;
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static int hf_mip6_reserved = -1;
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static int hf_mip6_csum = -1;
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static int hf_mip6_hoti_cookie = -1;
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static int hf_mip6_coti_cookie = -1;
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static int hf_mip6_hot_nindex = -1;
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static int hf_mip6_hot_cookie = -1;
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static int hf_mip6_hot_token = -1;
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static int hf_mip6_cot_nindex = -1;
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static int hf_mip6_cot_cookie = -1;
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static int hf_mip6_cot_token = -1;
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static int hf_mip6_bu_seqnr = -1;
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static int hf_mip6_bu_a_flag = -1;
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static int hf_mip6_bu_h_flag = -1;
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static int hf_mip6_bu_l_flag = -1;
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static int hf_mip6_bu_k_flag = -1;
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static int hf_mip6_bu_lifetime = -1;
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static int hf_mip6_ba_status = -1;
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static int hf_mip6_ba_k_flag = -1;
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static int hf_mip6_ba_seqnr = -1;
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static int hf_mip6_ba_lifetime = -1;
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static int hf_mip6_be_status = -1;
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static int hf_mip6_be_haddr = -1;
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static int hf_mip6_bra_interval = -1;
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static int hf_mip6_acoa_acoa = -1;
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static int hf_mip6_ni_hni = -1;
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static int hf_mip6_ni_cni = -1;
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static int hf_mip6_bad_auth = -1;
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/* Initialize the subtree pointers */
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static gint ett_mip6 = -1;
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static gint ett_mip6_opt_padn = -1;
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static gint ett_mip6_opt_bra = -1;
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static gint ett_mip6_opt_acoa = -1;
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static gint ett_mip6_opt_ni = -1;
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static gint ett_mip6_opt_bad = -1;
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/* Functions to dissect the mobility headers */
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static int
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dissect_mip6_brr(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Binding Refresh Request");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_BRR_LEN, "Binding Refresh Request");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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}
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return MIP6_DATA_OFF+MIP6_BRR_LEN;
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}
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static int
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dissect_mip6_hoti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Home Test Init");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_HOTI_LEN, "Home Test Init");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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proto_tree_add_item(data_tree, hf_mip6_hoti_cookie, tvb,
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MIP6_HOTI_COOKIE_OFF, MIP6_HOTI_COOKIE_LEN, FALSE);
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}
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return MIP6_DATA_OFF+MIP6_HOTI_LEN;
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}
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static int
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dissect_mip6_coti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test Init");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_COTI_LEN, "Care-of Test Init");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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proto_tree_add_item(data_tree, hf_mip6_coti_cookie, tvb,
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MIP6_COTI_COOKIE_OFF, MIP6_COTI_COOKIE_LEN, FALSE);
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}
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return MIP6_DATA_OFF+MIP6_COTI_LEN;
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}
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static int
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dissect_mip6_hot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Home Test");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_HOT_LEN, "Home Test");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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proto_tree_add_item(data_tree, hf_mip6_hot_nindex, tvb,
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MIP6_HOT_INDEX_OFF, MIP6_HOT_INDEX_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_hot_cookie, tvb,
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MIP6_HOT_COOKIE_OFF, MIP6_HOT_COOKIE_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb,
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MIP6_HOT_TOKEN_OFF, MIP6_HOT_TOKEN_LEN, FALSE);
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}
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return MIP6_DATA_OFF+MIP6_HOT_LEN;
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}
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static int
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dissect_mip6_cot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_COT_LEN, "Care-of Test");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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proto_tree_add_item(data_tree, hf_mip6_cot_nindex, tvb,
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MIP6_COT_INDEX_OFF, MIP6_COT_INDEX_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_cot_cookie, tvb,
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MIP6_COT_COOKIE_OFF, MIP6_COT_COOKIE_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb,
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MIP6_COT_TOKEN_OFF, MIP6_COT_TOKEN_LEN, FALSE);
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}
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return MIP6_DATA_OFF+MIP6_COT_LEN;
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}
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static int
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dissect_mip6_bu(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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int lifetime;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Binding Update");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_BU_LEN, "Binding Update");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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proto_tree_add_item(data_tree, hf_mip6_bu_seqnr, tvb,
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MIP6_BU_SEQNR_OFF, MIP6_BU_SEQNR_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_bu_a_flag, tvb,
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MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_bu_h_flag, tvb,
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MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_bu_l_flag, tvb,
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MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_bu_k_flag, tvb,
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MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, FALSE);
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lifetime = tvb_get_ntohs(tvb, MIP6_BU_LIFETIME_OFF);
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proto_tree_add_uint_format(data_tree, hf_mip6_bu_lifetime, tvb,
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MIP6_BU_LIFETIME_OFF,
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MIP6_BU_LIFETIME_LEN, lifetime,
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"Lifetime: %d (%ld seconds)",
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lifetime, (long)lifetime * 4);
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}
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return MIP6_DATA_OFF+MIP6_BU_LEN;
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}
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static int
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dissect_mip6_ba(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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int lifetime;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Binding Acknowledgement");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_BA_LEN, "Binding Acknowledgement");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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proto_tree_add_item(data_tree, hf_mip6_ba_status, tvb,
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MIP6_BA_STATUS_OFF, MIP6_BA_STATUS_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_ba_k_flag, tvb,
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MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_ba_seqnr, tvb,
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MIP6_BA_SEQNR_OFF, MIP6_BA_SEQNR_LEN, FALSE);
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lifetime = tvb_get_ntohs(tvb, MIP6_BA_LIFETIME_OFF);
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proto_tree_add_uint_format(data_tree, hf_mip6_ba_lifetime, tvb,
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MIP6_BA_LIFETIME_OFF,
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MIP6_BA_LIFETIME_LEN, lifetime,
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"Lifetime: %d (%ld seconds)",
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lifetime, (long)lifetime * 4);
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}
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return MIP6_DATA_OFF+MIP6_BA_LEN;
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}
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static int
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dissect_mip6_be(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Binding Error");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_BE_LEN, "Binding Error");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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proto_tree_add_item(data_tree, hf_mip6_be_status, tvb,
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MIP6_BE_STATUS_OFF, MIP6_BE_STATUS_LEN, FALSE);
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proto_tree_add_item(data_tree, hf_mip6_be_haddr, tvb,
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MIP6_BE_HOA_OFF, MIP6_BE_HOA_LEN, FALSE);
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}
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return MIP6_DATA_OFF+MIP6_BE_LEN;
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}
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static int
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dissect_mip6_unknown(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
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{
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proto_tree *data_tree = NULL;
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proto_item *ti;
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if (check_col(pinfo->cinfo, COL_INFO))
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col_set_str(pinfo->cinfo, COL_INFO, "Unknown MH Type");
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if (mip6_tree) {
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ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
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MIP6_DATA_OFF+1, "Unknown MH Type");
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data_tree = proto_item_add_subtree(ti, ett_mip6);
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}
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return MIP6_DATA_OFF+1;
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}
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/* Functions to dissect the mobility options */
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static void
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dissect_mip6_opt_padn(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
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guint optlen, packet_info *pinfo _U_,
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proto_tree *opt_tree)
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{
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proto_tree_add_text(opt_tree, tvb, offset, optlen,
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"%s: %u bytes", optp->name, optlen);
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}
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static void
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dissect_mip6_opt_bra(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
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guint optlen, packet_info *pinfo _U_,
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proto_tree *opt_tree)
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{
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int ri;
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ri = tvb_get_ntohs(tvb, offset + MIP6_BRA_RI_OFF);
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proto_tree_add_uint_format(opt_tree, hf_mip6_bra_interval, tvb,
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offset, optlen,
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ri, "Refresh interval: %d (%ld seconds)",
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ri, (long)ri * 4);
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}
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static void
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dissect_mip6_opt_acoa(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
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guint optlen, packet_info *pinfo _U_,
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proto_tree *opt_tree)
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{
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proto_tree_add_ipv6(opt_tree, hf_mip6_acoa_acoa, tvb,
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offset, optlen,
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tvb_get_ptr(tvb, offset + MIP6_ACOA_ACOA_OFF, MIP6_ACOA_ACOA_LEN));
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}
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static void
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dissect_mip6_opt_ni(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
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guint optlen, packet_info *pinfo _U_,
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proto_tree *opt_tree)
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{
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proto_tree *field_tree = NULL;
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proto_item *tf;
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tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
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field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
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proto_tree_add_item(field_tree, hf_mip6_ni_hni, tvb,
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offset + MIP6_NI_HNI_OFF, MIP6_NI_HNI_LEN, FALSE);
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proto_tree_add_item(field_tree, hf_mip6_ni_cni, tvb,
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offset + MIP6_NI_CNI_OFF, MIP6_NI_CNI_LEN, FALSE);
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}
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static void
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dissect_mip6_opt_bad(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
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guint optlen, packet_info *pinfo _U_,
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proto_tree *opt_tree)
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{
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proto_tree *field_tree = NULL;
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proto_item *tf;
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tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
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field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
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proto_tree_add_item(field_tree, hf_mip6_bad_auth, tvb,
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offset + MIP6_BAD_AUTH_OFF,
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optlen - MIP6_BAD_AUTH_OFF, FALSE);
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}
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static const ip_tcp_opt mip6_opts[] = {
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{
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PAD1,
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"Pad1",
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NULL,
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NO_LENGTH,
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0,
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NULL,
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},
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{
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PADN,
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"PadN",
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&ett_mip6_opt_padn,
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VARIABLE_LENGTH,
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0,
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dissect_mip6_opt_padn
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},
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{
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BRA,
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"Binding Refresh Advice",
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&ett_mip6_opt_bra,
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FIXED_LENGTH,
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MIP6_BRA_LEN,
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dissect_mip6_opt_bra
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},
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{
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ACOA,
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"Alternate Care-of Address",
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&ett_mip6_opt_acoa,
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FIXED_LENGTH,
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MIP6_ACOA_LEN,
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dissect_mip6_opt_acoa
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},
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{
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NI,
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"Nonce Indices",
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&ett_mip6_opt_ni,
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FIXED_LENGTH,
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MIP6_NI_LEN,
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dissect_mip6_opt_ni
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},
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{
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BAD,
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"Binding Authorization Data",
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&ett_mip6_opt_bad,
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VARIABLE_LENGTH,
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0,
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dissect_mip6_opt_bad
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},
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};
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#define N_MIP6_OPTS (sizeof mip6_opts / sizeof mip6_opts[0])
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/* Function to dissect mobility options */
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static int
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dissect_mip6_options(tvbuff_t *tvb, proto_tree *mip6_tree, int offset, int len,
|
|
packet_info *pinfo)
|
|
{
|
|
proto_tree *opts_tree = NULL;
|
|
proto_item *ti;
|
|
|
|
if (!mip6_tree)
|
|
return len;
|
|
|
|
ti = proto_tree_add_text(mip6_tree, tvb, offset, len,
|
|
"Mobility Options");
|
|
opts_tree = proto_item_add_subtree(ti, ett_mip6);
|
|
|
|
dissect_ipv6_options(tvb, offset, len,
|
|
mip6_opts, N_MIP6_OPTS, -1, pinfo, opts_tree);
|
|
|
|
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, start_offset = offset;
|
|
|
|
/* 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) {
|
|
if (len < (offset - start_offset)) {
|
|
proto_tree_add_text(tree, tvb, 0, 0, "Bogus header length");
|
|
return;
|
|
}
|
|
len -= (offset - start_offset);
|
|
dissect_mip6_options(tvb, mip6_tree, offset, len, pinfo);
|
|
}
|
|
}
|
|
|
|
/* 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,
|
|
&ett_mip6_opt_padn,
|
|
&ett_mip6_opt_bra,
|
|
&ett_mip6_opt_acoa,
|
|
&ett_mip6_opt_ni,
|
|
&ett_mip6_opt_bad,
|
|
};
|
|
|
|
/* 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_OLD, mip6_handle);
|
|
dissector_add("ip.proto", IP_PROTO_MIPV6, mip6_handle);
|
|
}
|