5c5e9a377a
flags Me: Add Peter to AUTHORS file. svn path=/trunk/; revision=36965
1795 lines
58 KiB
C
1795 lines
58 KiB
C
/* packet-eigrp.c
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* Routines for EIGRP Stub Routing, Authentication and IPv6 TLV dissection
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*
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* Copyright 2009, Jochen Bartl <jochen.bartl@gmail.com>
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*
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* Routines for EIGRP dissection
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* Copyright 2000, Paul Ionescu <paul@acorp.ro>
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*
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* $Id$
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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 <glib.h>
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#include <epan/packet.h>
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#include <epan/addr_resolv.h>
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#include <epan/atalk-utils.h>
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#include <epan/addr_and_mask.h>
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#include <epan/ipproto.h>
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#include "packet-ipx.h"
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#include <epan/expert.h>
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/*
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* See
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*
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* http://www.rhyshaden.com/eigrp.htm
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*/
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#define EIGRP_UPDATE 0x01
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#define EIGRP_REQUEST 0x02
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#define EIGRP_QUERY 0x03
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#define EIGRP_REPLY 0x04
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#define EIGRP_HELLO 0x05
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#define EIGRP_SAP 0x06
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#define EIGRP_SIA_QUERY 0x0a
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#define EIGRP_SIA_REPLY 0x0b
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#define EIGRP_HI 0x20 /* This value is for my own need to make a difference between Hello and Ack */
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#define EIGRP_ACK 0x40 /* This value is for my own need to make a difference between Hello and Ack */
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#define TLV_PAR 0x0001
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#define TLV_AUTH 0x0002
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#define TLV_SEQ 0x0003
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#define TLV_SV 0x0004
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#define TLV_NMS 0x0005
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#define TLV_STUB 0x0006
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#define TLV_IP_INT 0x0102
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#define TLV_IP_EXT 0x0103
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#define TLV_AT_INT 0x0202
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#define TLV_AT_EXT 0x0203
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#define TLV_AT_CBL 0x0204
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#define TLV_IPX_INT 0x0302
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#define TLV_IPX_EXT 0x0303
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#define TLV_IP6_INT 0x0402
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#define TLV_IP6_EXT 0x0403
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#define EIGRP_FLAGS_INIT 0x00000001
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#define EIGRP_FLAGS_CONDRECV 0x00000002
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#define EIGRP_FLAGS_RESTART 0x00000004
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#define EIGRP_FLAGS_ENDOFTABLE 0x00000008
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#define EIGRP_STUB_FLAGS_CONNECTED 0x0001
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#define EIGRP_STUB_FLAGS_STATIC 0x0002
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#define EIGRP_STUB_FLAGS_SUMMARY 0x0004
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#define EIGRP_STUB_FLAGS_RECVONLY 0x0008
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#define EIGRP_STUB_FLAGS_REDIST 0x0010
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#define EIGRP_STUB_FLAGS_LEAKMAP 0x0020
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#define EIGRP_IP_EXT_FLAGS_EXT 0x01
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#define EIGRP_IP_EXT_FLAGS_DEFAULT 0x02
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#define EIGRP_HEADER_LENGTH 20
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static gint proto_eigrp = -1;
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static gint hf_eigrp_version = -1;
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static gint hf_eigrp_opcode = -1;
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static gint hf_eigrp_checksum = -1;
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static gint hf_eigrp_flags = -1; /* Flags Tree */
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static gint hf_eigrp_flags_init = -1;
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static gint hf_eigrp_flags_condrecv = -1;
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static gint hf_eigrp_flags_restart = -1;
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static gint hf_eigrp_flags_eot = -1;
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static gint hf_eigrp_sequence = -1;
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static gint hf_eigrp_acknowledge = -1;
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static gint hf_eigrp_as = -1;
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static gint hf_eigrp_tlv = -1;
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static gint hf_eigrp_tlv_size = -1;
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/* EIGRP Parameters TLV */
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static gint hf_eigrp_par_k1 = -1;
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static gint hf_eigrp_par_k2 = -1;
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static gint hf_eigrp_par_k3 = -1;
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static gint hf_eigrp_par_k4 = -1;
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static gint hf_eigrp_par_k5 = -1;
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static gint hf_eigrp_par_reserved = -1;
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static gint hf_eigrp_par_holdtime = -1;
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/* Authentication TLV */
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static gint hf_eigrp_auth_type = -1;
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static gint hf_eigrp_auth_keysize = -1;
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static gint hf_eigrp_auth_keyid = -1;
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static gint hf_eigrp_auth_nullpad = -1;
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static gint hf_eigrp_auth_data = -1;
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/* Sequence TLV */
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static gint hf_eigrp_seq_addrlen = -1;
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static gint hf_eigrp_seq_ipaddr = -1;
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static gint hf_eigrp_seq_ip6addr = -1;
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/* Software Version TLV */
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static gint hf_eigrp_sv_ios = -1;
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static gint hf_eigrp_sv_eigrp = -1;
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/* Next multicast sequence TLV */
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static gint hf_eigrp_nms = -1;
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/* Stub routing TLV */
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static gint hf_eigrp_stub_flags = -1; /* Stub Flags Tree */
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static gint hf_eigrp_stub_flags_connected = -1;
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static gint hf_eigrp_stub_flags_static = -1;
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static gint hf_eigrp_stub_flags_summary = -1;
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static gint hf_eigrp_stub_flags_recvonly = -1;
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static gint hf_eigrp_stub_flags_redist = -1;
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static gint hf_eigrp_stub_flags_leakmap = -1;
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/* IP internal route TLV */
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static gint hf_eigrp_ip_int_nexthop = -1;
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static gint hf_eigrp_ip_int_delay = -1;
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static gint hf_eigrp_ip_int_bandwidth = -1;
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static gint hf_eigrp_ip_int_mtu = -1;
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static gint hf_eigrp_ip_int_hopcount = -1;
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static gint hf_eigrp_ip_int_reliability = -1;
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static gint hf_eigrp_ip_int_load = -1;
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static gint hf_eigrp_ip_int_reserved = -1;
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static gint hf_eigrp_ip_int_prefixlen = -1;
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static gint hf_eigrp_ip_int_dst = -1;
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/* IP external route TLV */
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static gint hf_eigrp_ip_ext_nexthop = -1;
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static gint hf_eigrp_ip_ext_origrouter = -1;
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static gint hf_eigrp_ip_ext_as = -1;
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static gint hf_eigrp_ip_ext_tag = -1;
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static gint hf_eigrp_ip_ext_metric = -1;
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static gint hf_eigrp_ip_ext_reserved = -1;
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static gint hf_eigrp_ip_ext_proto = -1;
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static gint hf_eigrp_ip_ext_flags = -1; /* IP external route Flags Tree */
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static gint hf_eigrp_ip_ext_flags_ext = -1;
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static gint hf_eigrp_ip_ext_flags_default = -1;
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static gint hf_eigrp_ip_ext_delay = -1;
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static gint hf_eigrp_ip_ext_bandwidth = -1;
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static gint hf_eigrp_ip_ext_mtu = -1;
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static gint hf_eigrp_ip_ext_hopcount = -1;
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static gint hf_eigrp_ip_ext_reliability = -1;
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static gint hf_eigrp_ip_ext_load = -1;
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static gint hf_eigrp_ip_ext_reserved2 = -1;
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static gint hf_eigrp_ip_ext_prefixlen = -1;
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/* IPX internal route TLV */
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static gint hf_eigrp_ipx_int_nexthop_addr = -1;
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static gint hf_eigrp_ipx_int_nexthop_id = -1;
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static gint hf_eigrp_ipx_int_delay = -1;
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static gint hf_eigrp_ipx_int_bandwidth = -1;
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static gint hf_eigrp_ipx_int_mtu = -1;
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static gint hf_eigrp_ipx_int_hopcount = -1;
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static gint hf_eigrp_ipx_int_reliability = -1;
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static gint hf_eigrp_ipx_int_load = -1;
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static gint hf_eigrp_ipx_int_reserved = -1;
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static gint hf_eigrp_ipx_int_dst = -1;
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/* IPX external route TLV */
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static gint hf_eigrp_ipx_ext_nexthop_addr = -1;
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static gint hf_eigrp_ipx_ext_nexthop_id = -1;
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static gint hf_eigrp_ipx_ext_origrouter = -1;
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static gint hf_eigrp_ipx_ext_as = -1;
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static gint hf_eigrp_ipx_ext_tag = -1;
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static gint hf_eigrp_ipx_ext_proto = -1;
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static gint hf_eigrp_ipx_ext_reserved = -1;
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static gint hf_eigrp_ipx_ext_metric = -1;
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static gint hf_eigrp_ipx_ext_extdelay = -1;
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static gint hf_eigrp_ipx_ext_delay = -1;
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static gint hf_eigrp_ipx_ext_bandwidth = -1;
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static gint hf_eigrp_ipx_ext_mtu = -1;
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static gint hf_eigrp_ipx_ext_hopcount = -1;
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static gint hf_eigrp_ipx_ext_reliability = -1;
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static gint hf_eigrp_ipx_ext_load = -1;
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static gint hf_eigrp_ipx_ext_reserved2 = -1;
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static gint hf_eigrp_ipx_ext_dst = -1;
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/* AppleTalk cable configuration TLV */
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static gint hf_eigrp_at_cbl_routerid = -1;
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/* AppleTalk internal route TLV */
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static gint hf_eigrp_at_int_delay = -1;
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static gint hf_eigrp_at_int_bandwidth = -1;
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static gint hf_eigrp_at_int_mtu = -1;
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static gint hf_eigrp_at_int_hopcount = -1;
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static gint hf_eigrp_at_int_reliability = -1;
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static gint hf_eigrp_at_int_load = -1;
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static gint hf_eigrp_at_int_reserved = -1;
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/* AppleTalk external route TLV */
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static gint hf_eigrp_at_ext_origrouter = -1;
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static gint hf_eigrp_at_ext_as = -1;
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static gint hf_eigrp_at_ext_tag = -1;
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static gint hf_eigrp_at_ext_proto = -1;
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static gint hf_eigrp_at_ext_flags = -1; /* AppleTalk external route Flags Tree */
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static gint hf_eigrp_at_ext_flags_ext = -1;
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static gint hf_eigrp_at_ext_flags_default = -1;
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static gint hf_eigrp_at_ext_metric = -1;
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static gint hf_eigrp_at_ext_delay = -1;
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static gint hf_eigrp_at_ext_bandwidth = -1;
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static gint hf_eigrp_at_ext_mtu = -1;
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static gint hf_eigrp_at_ext_hopcount = -1;
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static gint hf_eigrp_at_ext_reliability = -1;
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static gint hf_eigrp_at_ext_load = -1;
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static gint hf_eigrp_at_ext_reserved = -1;
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/* IPv6 internal route TLV */
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static gint hf_eigrp_ip6_int_nexthop = -1;
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static gint hf_eigrp_ip6_int_delay = -1;
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static gint hf_eigrp_ip6_int_bandwidth = -1;
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static gint hf_eigrp_ip6_int_mtu = -1;
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static gint hf_eigrp_ip6_int_hopcount = -1;
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static gint hf_eigrp_ip6_int_reliability = -1;
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static gint hf_eigrp_ip6_int_load = -1;
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static gint hf_eigrp_ip6_int_reserved = -1;
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static gint hf_eigrp_ip6_int_prefixlen = -1;
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/* IPv6 external route TLV */
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static gint hf_eigrp_ip6_ext_nexthop = -1;
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static gint hf_eigrp_ip6_ext_origrouter = -1;
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static gint hf_eigrp_ip6_ext_as = -1;
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static gint hf_eigrp_ip6_ext_tag = -1;
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static gint hf_eigrp_ip6_ext_metric = -1;
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static gint hf_eigrp_ip6_ext_reserved = -1;
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static gint hf_eigrp_ip6_ext_proto = -1;
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static gint hf_eigrp_ip6_ext_flags = -1; /* IPv6 external route Flags Tree */
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static gint hf_eigrp_ip6_ext_flags_ext = -1;
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static gint hf_eigrp_ip6_ext_flags_default = -1;
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static gint hf_eigrp_ip6_ext_delay = -1;
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static gint hf_eigrp_ip6_ext_bandwidth = -1;
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static gint hf_eigrp_ip6_ext_mtu = -1;
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static gint hf_eigrp_ip6_ext_hopcount = -1;
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static gint hf_eigrp_ip6_ext_reliability = -1;
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static gint hf_eigrp_ip6_ext_load = -1;
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static gint hf_eigrp_ip6_ext_reserved2 = -1;
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static gint hf_eigrp_ip6_ext_prefixlen = -1;
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static gint ett_eigrp = -1;
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static gint ett_eigrp_flags = -1;
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static gint ett_tlv = -1;
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static gint ett_eigrp_stub_flags = -1;
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static gint ett_eigrp_ip_ext_flags = -1;
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static gint ett_eigrp_ip6_ext_flags = -1;
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static gint ett_eigrp_at_ext_flags = -1;
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static dissector_handle_t ipxsap_handle;
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static const value_string eigrp_opcode_vals[] = {
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{ EIGRP_HELLO, "Hello/Ack" },
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{ EIGRP_UPDATE, "Update" },
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{ EIGRP_REPLY, "Reply" },
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{ EIGRP_QUERY, "Query" },
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{ EIGRP_REQUEST, "Request" },
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{ EIGRP_SAP, "IPX/SAP Update" },
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{ EIGRP_SIA_QUERY, "SIA-Query" },
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{ EIGRP_SIA_REPLY, "SIA-Reply" },
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{ EIGRP_HI, "Hello" },
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{ EIGRP_ACK, "Acknowledge" },
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{ 0, NULL }
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};
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static const value_string eigrp_tlv_vals[] = {
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{ TLV_PAR, "EIGRP Parameters"},
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{ TLV_AUTH, "Authentication data"},
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{ TLV_SEQ , "Sequence"},
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{ TLV_SV, "Software Version"},
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{ TLV_NMS , "Next multicast sequence"},
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{ TLV_STUB , "Stub routing"},
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{ TLV_IP_INT, "IP internal route"},
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{ TLV_IP_EXT, "IP external route"},
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{ TLV_AT_INT, "AppleTalk internal route"},
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{ TLV_AT_EXT, "AppleTalk external route"},
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{ TLV_AT_CBL, "AppleTalk cable configuration"},
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{ TLV_IPX_INT, "IPX internal route"},
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{ TLV_IPX_EXT, "IPX external route"},
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{ TLV_IP6_INT, "IPv6 internal route"},
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{ TLV_IP6_EXT, "IPv6 external route"},
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{ 0, NULL}
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};
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static const value_string eigrp_pid_vals[] = {
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{ 1, "IGRP"},
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{ 2, "EIGRP"},
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{ 3, "Static Route"},
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{ 4, "RIP"},
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{ 5, "Hello"},
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{ 6, "OSPF"},
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{ 7, "IS-IS"},
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{ 8, "EGP"},
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{ 9, "BGP"},
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{ 10, "IDRP"},
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{ 11, "Connected link"},
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{ 0, NULL}
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};
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static const value_string eigrp_auth_type_vals[] = {
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{ 2, "MD5"},
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{ 0, NULL}
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};
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static void dissect_eigrp_par(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_auth(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static void dissect_eigrp_seq(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static void dissect_eigrp_sv(tvbuff_t *tvb, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_nms(tvbuff_t *tvb, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_stub(tvbuff_t *tvb, proto_tree *tree);
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static void dissect_eigrp_ip_int(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_ip_ext(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_ipx_int(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_ipx_ext(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_at_cbl(tvbuff_t *tvb, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_at_int(tvbuff_t *tvb, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_at_ext(tvbuff_t *tvb, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_ip6_int(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp_ip6_ext(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti);
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static void dissect_eigrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
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proto_tree *eigrp_tree = NULL, *tlv_tree, *eigrp_flags_tree;
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proto_item *ti;
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guint opcode, opcode_tmp;
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guint16 tlv;
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guint32 ack, size, offset = EIGRP_HEADER_LENGTH;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "EIGRP");
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col_clear(pinfo->cinfo, COL_INFO);
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opcode_tmp = opcode = tvb_get_guint8(tvb, 1);
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|
ack = tvb_get_ntohl(tvb, 12);
|
|
if (opcode == EIGRP_HELLO) { if (ack == 0) opcode_tmp = EIGRP_HI; else opcode_tmp = EIGRP_ACK; }
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(opcode_tmp, eigrp_opcode_vals, "Unknown (0x%04x)"));
|
|
|
|
if (tree) {
|
|
|
|
ti = proto_tree_add_protocol_format(tree, proto_eigrp, tvb, 0, -1, "Cisco EIGRP");
|
|
|
|
eigrp_tree = proto_item_add_subtree(ti, ett_eigrp);
|
|
|
|
proto_tree_add_item(eigrp_tree, hf_eigrp_version, tvb, 0, 1, FALSE);
|
|
proto_tree_add_item(eigrp_tree, hf_eigrp_opcode, tvb, 1, 1, FALSE);
|
|
proto_tree_add_item(eigrp_tree, hf_eigrp_checksum, tvb, 2, 2, FALSE);
|
|
/* Decode the EIGRP Flags Field */
|
|
|
|
ti = proto_tree_add_item(eigrp_tree, hf_eigrp_flags, tvb, 4, 4, FALSE);
|
|
eigrp_flags_tree = proto_item_add_subtree(ti, ett_eigrp_flags);
|
|
|
|
proto_tree_add_item(eigrp_flags_tree, hf_eigrp_flags_init, tvb, 4, 4, FALSE);
|
|
proto_tree_add_item(eigrp_flags_tree, hf_eigrp_flags_condrecv, tvb, 4, 4, FALSE);
|
|
proto_tree_add_item(eigrp_flags_tree, hf_eigrp_flags_restart, tvb, 4, 4, FALSE);
|
|
proto_tree_add_item(eigrp_flags_tree, hf_eigrp_flags_eot, tvb, 4, 4, FALSE);
|
|
|
|
/* End Decode the EIGRP Flags Field */
|
|
|
|
proto_tree_add_item(eigrp_tree, hf_eigrp_sequence, tvb, 8, 4, FALSE);
|
|
proto_tree_add_item(eigrp_tree, hf_eigrp_acknowledge, tvb, 12, 4, FALSE);
|
|
proto_tree_add_item(eigrp_tree, hf_eigrp_as, tvb, 16, 4, FALSE);
|
|
}
|
|
|
|
if (opcode == EIGRP_SAP) {
|
|
call_dissector(ipxsap_handle, tvb_new_subset(tvb, EIGRP_HEADER_LENGTH, -1, -1), pinfo, eigrp_tree);
|
|
return;
|
|
}
|
|
|
|
if (tree) {
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
|
|
tlv = tvb_get_ntohs(tvb, offset);
|
|
size = tvb_get_ntohs(tvb, offset + 2);
|
|
|
|
if (size == 0) {
|
|
ti = proto_tree_add_text(eigrp_tree, tvb, offset, -1, "Unknown data (maybe authentication)");
|
|
expert_add_info_format(pinfo, ti, PI_MALFORMED, PI_ERROR, "Unknown data (maybe authentication)");
|
|
return;
|
|
}
|
|
|
|
ti = proto_tree_add_text(eigrp_tree, tvb, offset,size,
|
|
"%s", val_to_str(tlv, eigrp_tlv_vals, "Unknown (0x%04x)"));
|
|
|
|
tlv_tree = proto_item_add_subtree(ti, ett_tlv);
|
|
proto_tree_add_item(tlv_tree, hf_eigrp_tlv, tvb, offset, 2, FALSE);
|
|
proto_tree_add_item(tlv_tree, hf_eigrp_tlv_size, tvb, offset + 2, 2, FALSE);
|
|
|
|
|
|
switch (tlv) {
|
|
case TLV_PAR:
|
|
dissect_eigrp_par(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree, ti);
|
|
break;
|
|
case TLV_AUTH:
|
|
dissect_eigrp_auth(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree);
|
|
break;
|
|
case TLV_SEQ:
|
|
dissect_eigrp_seq(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree);
|
|
break;
|
|
case TLV_SV:
|
|
dissect_eigrp_sv(tvb_new_subset(tvb, offset + 4, size - 4, -1), tlv_tree, ti);
|
|
break;
|
|
case TLV_NMS:
|
|
dissect_eigrp_nms(tvb_new_subset(tvb, offset + 4, size - 4, -1), tlv_tree, ti);
|
|
break;
|
|
case TLV_STUB:
|
|
dissect_eigrp_stub(tvb_new_subset(tvb, offset + 4, size - 4, -1), tlv_tree);
|
|
break;
|
|
|
|
case TLV_IP_INT:
|
|
dissect_eigrp_ip_int(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree, ti);
|
|
break;
|
|
case TLV_IP_EXT:
|
|
dissect_eigrp_ip_ext(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree, ti);
|
|
break;
|
|
|
|
case TLV_IPX_INT:
|
|
dissect_eigrp_ipx_int(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree, ti);
|
|
break;
|
|
case TLV_IPX_EXT:
|
|
dissect_eigrp_ipx_ext(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree, ti);
|
|
break;
|
|
|
|
case TLV_AT_CBL:
|
|
dissect_eigrp_at_cbl(tvb_new_subset(tvb, offset + 4, size - 4, -1), tlv_tree, ti);
|
|
break;
|
|
case TLV_AT_INT:
|
|
dissect_eigrp_at_int(tvb_new_subset(tvb, offset + 4, size - 4, -1), tlv_tree, ti);
|
|
break;
|
|
case TLV_AT_EXT:
|
|
dissect_eigrp_at_ext(tvb_new_subset(tvb, offset + 4, size - 4, -1), tlv_tree, ti);
|
|
break;
|
|
|
|
case TLV_IP6_INT:
|
|
dissect_eigrp_ip6_int(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree, ti);
|
|
break;
|
|
case TLV_IP6_EXT:
|
|
dissect_eigrp_ip6_ext(tvb_new_subset(tvb, offset + 4, size - 4, -1), pinfo, tlv_tree, ti);
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, ti, PI_UNDECODED, PI_WARN, "Unknown TLV (0x%04x)", tlv);
|
|
}
|
|
|
|
offset += size;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void dissect_eigrp_par(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti) {
|
|
|
|
int offset = 0;
|
|
guint8 k1, k2, k3, k4, k5;
|
|
|
|
k1 = tvb_get_guint8(tvb, 1);
|
|
proto_tree_add_item(tree, hf_eigrp_par_k1, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
k2 = tvb_get_guint8(tvb, 1);
|
|
proto_tree_add_item(tree, hf_eigrp_par_k2, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
k3 = tvb_get_guint8(tvb, 1);
|
|
proto_tree_add_item(tree, hf_eigrp_par_k3, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
k4 = tvb_get_guint8(tvb, 1);
|
|
proto_tree_add_item(tree, hf_eigrp_par_k4, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
k5 = tvb_get_guint8(tvb, 1);
|
|
proto_tree_add_item(tree, hf_eigrp_par_k5, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_par_reserved, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_par_holdtime, tvb, offset, 2, FALSE);
|
|
|
|
if (k1 == 255 && k2 == 255 && k3 == 255 && k4 == 255 && k5 == 255) {
|
|
proto_item_append_text(ti, ": Goodbye Message");
|
|
expert_add_info_format(pinfo, ti, PI_RESPONSE_CODE, PI_NOTE, "Goodbye Message (Graceful Shutdown)");
|
|
}
|
|
}
|
|
|
|
static void dissect_eigrp_auth(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
|
|
|
|
proto_item *ti_keysize;
|
|
int offset = 0;
|
|
guint16 keysize;
|
|
|
|
keysize = tvb_get_ntohs(tvb, 2);
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_auth_type, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
ti_keysize = proto_tree_add_item(tree, hf_eigrp_auth_keysize, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_eigrp_auth_keyid, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_auth_nullpad, tvb, offset, 12, FALSE);
|
|
offset += 12;
|
|
|
|
switch (keysize) {
|
|
/* MD5 */
|
|
case 16:
|
|
proto_tree_add_item(tree, hf_eigrp_auth_data, tvb, offset, keysize, FALSE);
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, ti_keysize, PI_UNDECODED, PI_WARN,
|
|
"Invalid key size %u: Only a value of 16 for MD5 is supported", keysize);
|
|
}
|
|
}
|
|
|
|
static void dissect_eigrp_seq(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
|
|
|
|
proto_item *ti_addrlen;
|
|
int offset = 0;
|
|
guint8 addr_len;
|
|
|
|
addr_len = tvb_get_guint8(tvb, 0);
|
|
|
|
ti_addrlen = proto_tree_add_item(tree, hf_eigrp_seq_addrlen, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
|
|
switch (addr_len) {
|
|
/* IPv4 */
|
|
case 4:
|
|
proto_tree_add_item(tree, hf_eigrp_seq_ipaddr, tvb, offset, addr_len, FALSE);
|
|
break;
|
|
/* IPX */
|
|
case 10:
|
|
proto_tree_add_text(tree, tvb, offset, addr_len, "IPX Address = %08x.%04x.%04x.%04x",
|
|
tvb_get_ntohl(tvb, 1), tvb_get_ntohs(tvb, 5),
|
|
tvb_get_ntohs(tvb, 7), tvb_get_ntohs(tvb, 9));
|
|
break;
|
|
/* IPv6 */
|
|
case 16:
|
|
proto_tree_add_item(tree, hf_eigrp_seq_ip6addr, tvb, offset, addr_len, FALSE);
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, ti_addrlen, PI_MALFORMED, PI_ERROR, "Invalid address length");
|
|
}
|
|
}
|
|
|
|
static void dissect_eigrp_sv(tvbuff_t *tvb, proto_tree *tree, proto_item *ti) {
|
|
|
|
int offset = 0;
|
|
guint8 ios_rel_major, ios_rel_minor;
|
|
guint8 eigrp_rel_major, eigrp_rel_minor;
|
|
|
|
ios_rel_major = tvb_get_guint8(tvb, 0);
|
|
ios_rel_minor = tvb_get_guint8(tvb, 1);
|
|
proto_tree_add_text(tree, tvb, offset, 2, "IOS release version: %u.%u",
|
|
ios_rel_major, ios_rel_minor);
|
|
offset += 2;
|
|
proto_item_append_text(ti, ": IOS=%u.%u", ios_rel_major, ios_rel_minor);
|
|
|
|
eigrp_rel_major = tvb_get_guint8(tvb, 2);
|
|
eigrp_rel_minor = tvb_get_guint8(tvb, 3);
|
|
proto_tree_add_text(tree,tvb,offset, 2, "EIGRP release version: %u.%u",
|
|
eigrp_rel_major, eigrp_rel_minor);
|
|
proto_item_append_text(ti, ", EIGRP=%u.%u",
|
|
eigrp_rel_major, eigrp_rel_minor);
|
|
}
|
|
|
|
static void dissect_eigrp_nms(tvbuff_t *tvb, proto_tree *tree, proto_item *ti) {
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_nms, tvb, 0, 4, FALSE);
|
|
proto_item_append_text(ti, ": %u", tvb_get_ntohl(tvb, 0));
|
|
}
|
|
|
|
static void dissect_eigrp_stub(tvbuff_t *tvb, proto_tree *tree) {
|
|
|
|
proto_tree *eigrp_stub_flags_tree;
|
|
proto_item *ti;
|
|
|
|
ti = proto_tree_add_item(tree, hf_eigrp_stub_flags, tvb, 0, 2, FALSE);
|
|
eigrp_stub_flags_tree = proto_item_add_subtree(ti, ett_eigrp_stub_flags);
|
|
|
|
proto_tree_add_item(eigrp_stub_flags_tree, hf_eigrp_stub_flags_connected, tvb, 0, 2, FALSE);
|
|
proto_tree_add_item(eigrp_stub_flags_tree, hf_eigrp_stub_flags_static, tvb, 0, 2, FALSE);
|
|
proto_tree_add_item(eigrp_stub_flags_tree, hf_eigrp_stub_flags_summary, tvb, 0, 2, FALSE);
|
|
proto_tree_add_item(eigrp_stub_flags_tree, hf_eigrp_stub_flags_recvonly, tvb, 0, 2, FALSE);
|
|
proto_tree_add_item(eigrp_stub_flags_tree, hf_eigrp_stub_flags_redist, tvb, 0, 2, FALSE);
|
|
proto_tree_add_item(eigrp_stub_flags_tree, hf_eigrp_stub_flags_leakmap, tvb, 0, 2, FALSE);
|
|
}
|
|
|
|
static void dissect_eigrp_ip_int(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti) {
|
|
|
|
guint8 ip_addr[4], length;
|
|
int addr_len, offset = 0;
|
|
proto_item *ti_prefixlen, *ti_dst;
|
|
|
|
tvb_memcpy(tvb, ip_addr, 0, 4);
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_nexthop, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_reserved, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
for (offset = 20; tvb_length_remaining(tvb, offset) > 0; offset += (1 + addr_len)) {
|
|
length = tvb_get_guint8(tvb, offset);
|
|
addr_len = ipv4_addr_and_mask(tvb, offset + 1, ip_addr, length);
|
|
|
|
if (addr_len < 0) {
|
|
ti_prefixlen = proto_tree_add_item(tree, hf_eigrp_ip_int_prefixlen, tvb, offset, 1, FALSE);
|
|
expert_add_info_format(pinfo, ti_prefixlen, PI_UNDECODED, PI_WARN,
|
|
"Invalid prefix length %u, must be <= 32", length);
|
|
addr_len = 4; /* assure we can exit the loop */
|
|
} else {
|
|
proto_tree_add_item(tree, hf_eigrp_ip_int_prefixlen, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
ti_dst = proto_tree_add_text(tree, tvb, offset, addr_len, "Destination: %s", ip_to_str(ip_addr));
|
|
proto_item_append_text (ti," %c %s/%u%s", offset == 21 ? '=':',',
|
|
ip_to_str(ip_addr), length, ((tvb_get_ntohl(tvb, 4 )== 0xffffffff) ? " - Destination unreachable":""));
|
|
if (tvb_get_ntohl(tvb, 4) == 0xffffffff) {
|
|
expert_add_info_format(pinfo, ti_dst, PI_RESPONSE_CODE, PI_NOTE, "Destination unreachable");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dissect_eigrp_ip_ext(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti) {
|
|
|
|
guint8 ip_addr[4], length;
|
|
int addr_len, offset = 0;
|
|
proto_tree *eigrp_ip_ext_flags_tree;
|
|
proto_item *eigrp_ip_ext_ti, *ti_prefixlen, *ti_dst;
|
|
|
|
eigrp_ip_ext_ti = ti;
|
|
|
|
tvb_memcpy(tvb, ip_addr, 0, 4);
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_nexthop, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
tvb_memcpy(tvb,ip_addr, 4, 4);
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_origrouter, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_as, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_tag, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_metric, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_reserved, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_proto, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
|
|
/* Decode the IP external route Flags Field */
|
|
ti = proto_tree_add_item(tree, hf_eigrp_ip_ext_flags, tvb, offset, 1, FALSE);
|
|
eigrp_ip_ext_flags_tree = proto_item_add_subtree(ti, ett_eigrp_ip_ext_flags);
|
|
|
|
proto_tree_add_item(eigrp_ip_ext_flags_tree, hf_eigrp_ip_ext_flags_ext, tvb, offset, 1, FALSE);
|
|
proto_tree_add_item(eigrp_ip_ext_flags_tree, hf_eigrp_ip_ext_flags_default, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
/* End Decode the IP external route Flags Field */
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_reserved2, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
for (offset = 40; tvb_length_remaining(tvb, offset) > 0; offset += (1 + addr_len)) {
|
|
length = tvb_get_guint8(tvb, offset);
|
|
addr_len = ipv4_addr_and_mask(tvb, offset + 1, ip_addr, length);
|
|
|
|
if (addr_len < 0) {
|
|
ti_prefixlen = proto_tree_add_item(tree, hf_eigrp_ip_ext_prefixlen, tvb, offset, 1, FALSE);
|
|
expert_add_info_format(pinfo, ti_prefixlen, PI_UNDECODED, PI_WARN,
|
|
"Invalid prefix length %u, must be <= 32", length);
|
|
addr_len = 4; /* assure we can exit the loop */
|
|
} else {
|
|
proto_tree_add_item(tree, hf_eigrp_ip_ext_prefixlen, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
ti_dst = proto_tree_add_text(tree, tvb, offset, addr_len, "Destination = %s", ip_to_str(ip_addr));
|
|
proto_item_append_text(eigrp_ip_ext_ti, " %c %s/%u%s", offset == 41 ? '=':',',
|
|
ip_to_str(ip_addr), length, ((tvb_get_ntohl(tvb, 24) == 0xffffffff) ? " - Destination unreachable":""));
|
|
if (tvb_get_ntohl(tvb, 24) == 0xffffffff) {
|
|
expert_add_info_format(pinfo, ti_dst, PI_RESPONSE_CODE, PI_NOTE, "Destination unreachable");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void dissect_eigrp_ipx_int(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti) {
|
|
|
|
int offset = 0;
|
|
proto_item *ti_dst;
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_nexthop_addr, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_nexthop_id, tvb, offset, 6, FALSE);
|
|
offset += 6;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_int_reserved, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
ti_dst = proto_tree_add_item(tree, hf_eigrp_ipx_int_dst, tvb, offset, 4, FALSE);
|
|
proto_item_append_text(ti, " = %08x%s", tvb_get_ntohl(tvb, 26), ((tvb_get_ntohl(tvb, 10) == 0xffffffff) ? " - Destination unreachable":""));
|
|
if (tvb_get_ntohl(tvb, 10) == 0xffffffff) {
|
|
expert_add_info_format(pinfo, ti_dst, PI_RESPONSE_CODE, PI_NOTE, "Destination unreachable");
|
|
}
|
|
}
|
|
|
|
static void dissect_eigrp_ipx_ext(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti) {
|
|
|
|
int offset = 0;
|
|
proto_item *ti_dst;
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_nexthop_addr, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_nexthop_id, tvb, offset, 6, FALSE);
|
|
offset += 6;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_origrouter, tvb, offset, 6, FALSE);
|
|
offset += 6;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_as, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_tag, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_proto, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_reserved, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_metric, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_extdelay, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ipx_ext_reserved2, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
ti_dst = proto_tree_add_item(tree, hf_eigrp_ipx_ext_dst, tvb, offset, 4, FALSE);
|
|
proto_item_append_text(ti, " = %08x%s", tvb_get_ntohl(tvb, 46), ((tvb_get_ntohl(tvb, 30) == 0xffffffff) ? " - Destination unreachable":""));
|
|
if (tvb_get_ntohl(tvb, 30) == 0xffffffff) {
|
|
expert_add_info_format(pinfo, ti_dst, PI_RESPONSE_CODE, PI_NOTE, "Destination unreachable");
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void dissect_eigrp_at_cbl(tvbuff_t *tvb, proto_tree *tree, proto_item *ti) {
|
|
|
|
proto_tree_add_text(tree, tvb, 0, 4, "AppleTalk Cable Range = %u-%u", tvb_get_ntohs(tvb, 0), tvb_get_ntohs(tvb, 2));
|
|
proto_tree_add_item(tree, hf_eigrp_at_cbl_routerid, tvb, 4, 4, FALSE);
|
|
proto_item_append_text(ti, ": Cable range= %u-%u, Router ID= %u", tvb_get_ntohs(tvb, 0), tvb_get_ntohs(tvb, 2), tvb_get_ntohl(tvb, 4));
|
|
|
|
}
|
|
|
|
static void dissect_eigrp_at_int(tvbuff_t *tvb, proto_tree *tree, proto_item *ti) {
|
|
|
|
int offset = 0;
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 4, "Next Hop Address = %u.%u", tvb_get_ntohs(tvb, 0), tvb_get_ntohs(tvb, 2));
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_at_int_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_int_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_int_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_at_int_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_at_int_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_at_int_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_at_int_reserved, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
proto_tree_add_text(tree,tvb,offset,4,"Cable range = %u-%u",tvb_get_ntohs(tvb,20),tvb_get_ntohs(tvb,22));
|
|
|
|
proto_item_append_text(ti, ": %u-%u", tvb_get_ntohs(tvb, 20), tvb_get_ntohs(tvb, 22));
|
|
}
|
|
|
|
static void dissect_eigrp_at_ext(tvbuff_t *tvb, proto_tree *tree, proto_item *ti) {
|
|
|
|
int offset = 0;
|
|
proto_tree *eigrp_at_ext_flags_tree;
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 4, "Next Hop Address = %u.%u", tvb_get_ntohs(tvb, 0), tvb_get_ntohs(tvb, 2));
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_origrouter, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_as, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_tag, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_proto, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
|
|
/* Decode the AppleTalk external route Flags Field */
|
|
ti = proto_tree_add_item(tree, hf_eigrp_at_ext_flags, tvb, offset, 1, FALSE);
|
|
eigrp_at_ext_flags_tree = proto_item_add_subtree(ti, ett_eigrp_at_ext_flags);
|
|
|
|
proto_tree_add_item(eigrp_at_ext_flags_tree, hf_eigrp_at_ext_flags_ext, tvb, offset, 1, FALSE);
|
|
proto_tree_add_item(eigrp_at_ext_flags_tree, hf_eigrp_at_ext_flags_default, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
/* End Decode the AppleTalk external route Flags Field */
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_metric, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_at_ext_reserved, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
proto_tree_add_text(tree, tvb, offset, 4, "Cable range = %u-%u", tvb_get_ntohs(tvb, 36), tvb_get_ntohs(tvb, 38));
|
|
|
|
proto_item_append_text(ti, ": %u-%u", tvb_get_ntohs(tvb, 36), tvb_get_ntohs(tvb, 38));
|
|
}
|
|
|
|
static void dissect_eigrp_ip6_int(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti) {
|
|
|
|
guint8 length;
|
|
int addr_len, offset = 0;
|
|
struct e_in6_addr addr;
|
|
proto_item *ti_prefixlen, *ti_dst;
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_nexthop, tvb, offset, 16, FALSE);
|
|
offset += 16;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_reserved, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
for (offset = 32; tvb_length_remaining(tvb, offset) > 0; offset += (1 + addr_len)) {
|
|
length = tvb_get_guint8(tvb, offset);
|
|
addr_len = ipv6_addr_and_mask(tvb, offset + 1, &addr, length);
|
|
|
|
if (addr_len < 0) {
|
|
ti_prefixlen = proto_tree_add_item(tree, hf_eigrp_ip6_int_prefixlen, tvb, offset, 1, FALSE);
|
|
expert_add_info_format(pinfo, ti_prefixlen, PI_UNDECODED, PI_WARN,
|
|
"Invalid prefix length %u, must be <= 128", length);
|
|
addr_len = 16; /* assure we can exit the loop */
|
|
} else {
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_int_prefixlen, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
|
|
if ((length < 128) && (length % 8 == 0)) {
|
|
addr_len++;
|
|
}
|
|
|
|
ti_dst = proto_tree_add_text(tree, tvb, offset, addr_len, "Destination: %s", ip6_to_str(&addr));
|
|
proto_item_append_text(ti, " %c %s/%u%s", offset == 33 ? '=':',',
|
|
ip6_to_str(&addr), length, ((tvb_get_ntohl(tvb, 16) == 0xffffffff) ? " - Destination unreachable":""));
|
|
if (tvb_get_ntohl(tvb, 16) == 0xffffffff) {
|
|
expert_add_info_format(pinfo, ti_dst, PI_RESPONSE_CODE, PI_NOTE, "Destination unreachable");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dissect_eigrp_ip6_ext(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *ti) {
|
|
|
|
guint8 length;
|
|
int addr_len, offset = 0;
|
|
struct e_in6_addr addr;
|
|
proto_tree *eigrp_ip6_ext_flags_tree;
|
|
proto_item *eigrp_ip6_ext_ti, *ti_prefixlen, *ti_dst;
|
|
|
|
eigrp_ip6_ext_ti = ti;
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_nexthop, tvb, offset, 16, FALSE);
|
|
offset += 16;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_origrouter, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_as, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_tag, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_metric, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_reserved, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_proto, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
|
|
/* Decode the IPv6 external route Flags Field */
|
|
ti = proto_tree_add_item(tree, hf_eigrp_ip6_ext_flags, tvb, offset, 1, FALSE);
|
|
eigrp_ip6_ext_flags_tree = proto_item_add_subtree(ti, ett_eigrp_ip6_ext_flags);
|
|
|
|
proto_tree_add_item(eigrp_ip6_ext_flags_tree, hf_eigrp_ip6_ext_flags_ext, tvb, offset, 1, FALSE);
|
|
proto_tree_add_item(eigrp_ip6_ext_flags_tree, hf_eigrp_ip6_ext_flags_default, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
/* End Decode the IPv6 external route Flags Field */
|
|
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_delay, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_bandwidth, tvb, offset, 4, FALSE);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_mtu, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_hopcount, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_reliability, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_load, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_reserved2, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
for (offset = 52; tvb_length_remaining(tvb, offset) > 0; offset += (1 + addr_len))
|
|
{
|
|
length = tvb_get_guint8(tvb, offset);
|
|
addr_len = ipv6_addr_and_mask(tvb, offset + 1, &addr, length);
|
|
|
|
if (addr_len < 0) {
|
|
ti_prefixlen = proto_tree_add_item(tree, hf_eigrp_ip6_ext_prefixlen, tvb, offset, 1, FALSE);
|
|
expert_add_info_format(pinfo, ti_prefixlen, PI_UNDECODED, PI_WARN,
|
|
"Invalid prefix length %u, must be <= 128", length);
|
|
addr_len = 16; /* assure we can exit the loop */
|
|
} else {
|
|
proto_tree_add_item(tree, hf_eigrp_ip6_ext_prefixlen, tvb, offset, 1, FALSE);
|
|
offset += 1;
|
|
|
|
if ((length < 128) && (length % 8 == 0)) {
|
|
addr_len++;
|
|
}
|
|
|
|
ti_dst = proto_tree_add_text(tree, tvb, offset, addr_len, "Destination: %s", ip6_to_str(&addr));
|
|
proto_item_append_text(eigrp_ip6_ext_ti, " %c %s/%u%s", offset == 53 ? '=':',',
|
|
ip6_to_str(&addr), length, ((tvb_get_ntohl(tvb, 36) == 0xffffffff) ? " - Destination unreachable":""));
|
|
if (tvb_get_ntohl(tvb, 36) == 0xffffffff) {
|
|
expert_add_info_format(pinfo, ti_dst, PI_RESPONSE_CODE, PI_NOTE, "Destination unreachable");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void proto_register_eigrp(void) {
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_eigrp_version,
|
|
{ "Version", "eigrp.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_opcode,
|
|
{ "Opcode", "eigrp.opcode",
|
|
FT_UINT8, BASE_DEC, VALS(eigrp_opcode_vals), 0x0,
|
|
"Opcode number", HFILL }
|
|
},
|
|
{ &hf_eigrp_checksum,
|
|
{ "Checksum", "eigrp.checksum",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_flags,
|
|
{ "Flags", "eigrp.flags",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_flags_init,
|
|
{ "Init", "eigrp.flags.init",
|
|
FT_BOOLEAN, 32, NULL, EIGRP_FLAGS_INIT,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_flags_condrecv,
|
|
{ "Conditional Receive", "eigrp.flags.condrecv",
|
|
FT_BOOLEAN, 32, NULL, EIGRP_FLAGS_CONDRECV,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_flags_restart,
|
|
{ "Restart", "eigrp.flags.restart",
|
|
FT_BOOLEAN, 32, NULL, EIGRP_FLAGS_RESTART,
|
|
NULL, HFILL },
|
|
},
|
|
{ &hf_eigrp_flags_eot,
|
|
{ "End Of Table", "eigrp.flags.eot",
|
|
FT_BOOLEAN, 32, NULL, EIGRP_FLAGS_ENDOFTABLE,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_sequence,
|
|
{ "Sequence", "eigrp.seq",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_acknowledge,
|
|
{ "Acknowledge", "eigrp.ack",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_as,
|
|
{ "Autonomous System", "eigrp.as",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Autonomous System number", HFILL }
|
|
},
|
|
{ &hf_eigrp_tlv,
|
|
{ "Type", "eigrp.tlv",
|
|
FT_UINT16, BASE_DEC, VALS(eigrp_tlv_vals), 0x0,
|
|
"Type/Length/Value", HFILL }
|
|
},
|
|
{ &hf_eigrp_tlv_size,
|
|
{ "Size", "eigrp.tlv.size",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"TLV size", HFILL }
|
|
},
|
|
/* EIGRP Parameters TLV */
|
|
{ &hf_eigrp_par_k1,
|
|
{ "K1", "eigrp.par.k1",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_par_k2,
|
|
{ "K2", "eigrp.par.k2",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_par_k3,
|
|
{ "K3", "eigrp.par.k3",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_par_k4,
|
|
{ "K4", "eigrp.par.k4",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_par_k5,
|
|
{ "K5", "eigrp.par.k5",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_par_reserved,
|
|
{ "Reserved", "eigrp.par.reserved",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_par_holdtime,
|
|
{ "Hold Time", "eigrp.par.holdtime",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* Authentication TLV */
|
|
{ &hf_eigrp_auth_type,
|
|
{ "Authentication Type", "eigrp.auth.type",
|
|
FT_UINT16, BASE_DEC, VALS(eigrp_auth_type_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_auth_keysize,
|
|
{ "Key size", "eigrp.auth.keysize",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_auth_keyid,
|
|
{ "Key ID", "eigrp.auth.keyid",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_auth_nullpad,
|
|
{ "Nullpad", "eigrp.auth.nullapd",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_auth_data,
|
|
{ "Data", "eigrp.auth.data",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* Sequence TLV */
|
|
{ &hf_eigrp_seq_addrlen,
|
|
{ "Address length", "eigrp.seq.addrlen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_seq_ipaddr,
|
|
{ "IP Address", "eigrp.seq.ipaddr",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_seq_ip6addr,
|
|
{ "IPv6 Address", "eigrp.seq.ip6addr",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* Software Version TLV */
|
|
{ &hf_eigrp_sv_ios,
|
|
{ "IOS release version", "eigrp.sv.ios",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_sv_eigrp,
|
|
{ "EIGRP release version", "eigrp.sv.eigrp",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* Next multicast sequence TLV */
|
|
{ &hf_eigrp_nms,
|
|
{ "Next Multicast Sequence", "eigrp.nms",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* Stub routing TLV */
|
|
{ &hf_eigrp_stub_flags,
|
|
{ "Stub Flags", "eigrp.stub_flags",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_stub_flags_connected,
|
|
{ "Connected", "eigrp.stub_flags.connected",
|
|
FT_BOOLEAN, 16, NULL, EIGRP_STUB_FLAGS_CONNECTED,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_stub_flags_static,
|
|
{ "Static", "eigrp.stub_flags.static",
|
|
FT_BOOLEAN, 16, NULL, EIGRP_STUB_FLAGS_STATIC,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_stub_flags_summary,
|
|
{ "Summary", "eigrp.stub_flags.summary",
|
|
FT_BOOLEAN, 16, NULL, EIGRP_STUB_FLAGS_SUMMARY,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_stub_flags_recvonly,
|
|
{ "Receive-Only", "eigrp.stub_flags.recvonly",
|
|
FT_BOOLEAN, 16, NULL, EIGRP_STUB_FLAGS_RECVONLY,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_stub_flags_redist,
|
|
{ "Redistributed", "eigrp.stub_flags.redist",
|
|
FT_BOOLEAN, 16, NULL, EIGRP_STUB_FLAGS_REDIST,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_stub_flags_leakmap,
|
|
{ "Leak-Map", "eigrp.stub_flags.leakmap",
|
|
FT_BOOLEAN, 16, NULL, EIGRP_STUB_FLAGS_LEAKMAP,
|
|
NULL, HFILL }
|
|
},
|
|
/* IP internal route TLV */
|
|
{ &hf_eigrp_ip_int_nexthop,
|
|
{ "Next Hop", "eigrp.ip_int.nexthop",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_delay,
|
|
{ "Delay", "eigrp.ip_int.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_bandwidth,
|
|
{ "Bandwidth", "eigrp.ip_int.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_mtu,
|
|
{ "MTU", "eigrp.ip_int.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_hopcount,
|
|
{ "Hop Count", "eigrp.ip_int.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_reliability,
|
|
{ "Reliability", "eigrp.ip_int.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_load,
|
|
{ "Load", "eigrp.ip_int.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_reserved,
|
|
{ "Reserved", "eigrp.ip_int.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_prefixlen,
|
|
{ "Prefix Length", "eigrp.ip_int.prefixlen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_int_dst,
|
|
{ "Destination", "eigrp.ip_int.dst",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* IP external route TLV */
|
|
{ &hf_eigrp_ip_ext_nexthop,
|
|
{ "Next Hop", "eigrp.ip_ext.nexthop",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_origrouter,
|
|
{ "Originating router", "eigrp.ip_ext.origrouter",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_as,
|
|
{ "Originating A.S.", "eigrp.ip_ext.as",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_tag,
|
|
{ "Arbitrary tag", "eigrp.ip_ext.tag",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_metric,
|
|
{ "External protocol metric", "eigrp.ip_ext.metric",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_reserved,
|
|
{ "Reserved", "eigrp.ip_ext.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_proto,
|
|
{ "External protocol ID", "eigrp.ip_ext.proto",
|
|
FT_UINT8, BASE_DEC, VALS(eigrp_pid_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_flags,
|
|
{ "Flags", "eigrp.ip_ext.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_flags_ext,
|
|
{ "External Route", "eigrp.ip_ext.flags.ext",
|
|
FT_BOOLEAN, 8, NULL, EIGRP_IP_EXT_FLAGS_EXT,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_flags_default,
|
|
{ "Candidate Default Route", "eigrp.ip_ext.flags.default",
|
|
FT_BOOLEAN, 8, NULL, EIGRP_IP_EXT_FLAGS_DEFAULT,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_delay,
|
|
{ "Delay", "eigrp.ip_ext.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_bandwidth,
|
|
{ "Bandwidth", "eigrp.ip_ext.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_mtu,
|
|
{ "MTU", "eigrp.ip_ext.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_hopcount,
|
|
{ "Hop Count", "eigrp.ip_ext.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_reliability,
|
|
{ "Reliability", "eigrp.ip_ext.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_load,
|
|
{ "Load", "eigrp.ip_ext.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_reserved2,
|
|
{ "Reserved", "eigrp.ip_ext.reserved2",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip_ext_prefixlen,
|
|
{ "Prefix Length", "eigrp.ip_ext.prefixlen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* IPX internal route TLV */
|
|
{ &hf_eigrp_ipx_int_nexthop_addr,
|
|
{ "Next Hop Address", "eigrp.ipx_int.nexthop_addr",
|
|
FT_IPXNET, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_nexthop_id,
|
|
{ "Next Hop ID", "eigrp.ipx_int.nexthop_id",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_delay,
|
|
{ "Delay", "eigrp.ipx_int.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_bandwidth,
|
|
{ "Bandwidth", "eigrp.ipx_int.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_mtu,
|
|
{ "MTU", "eigrp.ipx_int.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_hopcount,
|
|
{ "Hop Count", "eigrp.ipx_int.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_reliability,
|
|
{ "Reliability", "eigrp.ipx_int.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_load,
|
|
{ "Load", "eigrp.ipx_int.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_reserved,
|
|
{ "Reserved", "eigrp.ipx_int.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_int_dst,
|
|
{ "Destination", "eigrp.ipx_int.dst",
|
|
FT_IPXNET, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* IPX external route TLV */
|
|
{ &hf_eigrp_ipx_ext_nexthop_addr,
|
|
{ "Next Hop Address", "eigrp.ipx_ext.nexthop_addr",
|
|
FT_IPXNET, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_nexthop_id,
|
|
{ "Next Hop ID", "eigrp.ipx_ext.nexthop_id",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_origrouter,
|
|
{ "Originating router", "eigrp.ipx_ext.origrouter",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_as,
|
|
{ "Originating A.S.", "eigrp.ipx_ext.as",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_tag,
|
|
{ "Arbitrary tag", "eigrp.ipx_ext.tag",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_proto,
|
|
{ "External protocol ID", "eigrp.ipx_ext.proto",
|
|
FT_UINT8, BASE_DEC, VALS(eigrp_pid_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_reserved,
|
|
{ "Reserved", "eigrp.ipx_ext.reserved",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_metric,
|
|
{ "External protocol metric", "eigrp.ipx_ext.metric",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_extdelay,
|
|
{ "External protocol delay", "eigrp.ipx_ext.extdelay",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_delay,
|
|
{ "Delay", "eigrp.ipx_ext.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_bandwidth,
|
|
{ "Bandwidth", "eigrp.ipx_ext.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_mtu,
|
|
{ "MTU", "eigrp.ipx_ext.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_hopcount,
|
|
{ "Hop Count", "eigrp.ipx_ext.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_reliability,
|
|
{ "Reliability", "eigrp.ipx_ext.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_load,
|
|
{ "Load", "eigrp.ipx_ext.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_reserved2,
|
|
{ "Reserved", "eigrp.ipx_ext.reserved2",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ipx_ext_dst,
|
|
{ "Destination", "eigrp.ipx_ext.dst",
|
|
FT_IPXNET, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* AppleTalk cable configuration TLV */
|
|
{ &hf_eigrp_at_cbl_routerid,
|
|
{ "AppleTalk Router ID", "eigrp.at_cbl.routerid",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* AppleTalk internal route TLV */
|
|
{ &hf_eigrp_at_int_delay,
|
|
{ "Delay", "eigrp.at_int.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_int_bandwidth,
|
|
{ "Bandwidth", "eigrp.at_int.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_int_mtu,
|
|
{ "MTU", "eigrp.at_int.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_int_hopcount,
|
|
{ "Hop Count", "eigrp.at_int.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_int_reliability,
|
|
{ "Reliability", "eigrp.at_int.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_int_load,
|
|
{ "Load", "eigrp.at_int.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_int_reserved,
|
|
{ "Reserved", "eigrp.at_int.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* AppleTalk external route TLV */
|
|
{ &hf_eigrp_at_ext_origrouter,
|
|
{ "Originating router", "eigrp.at_ext.origrouter",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_as,
|
|
{ "Originating A.S.", "eigrp.at_ext.as",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_tag,
|
|
{ "Arbitrary tag", "eigrp.at_ext.tag",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_proto,
|
|
{ "External protocol ID", "eigrp.at_ext.proto",
|
|
FT_UINT8, BASE_DEC, VALS(eigrp_pid_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_flags,
|
|
{ "Flags", "eigrp.at_ext.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_flags_ext,
|
|
{ "External Route", "eigrp.at_ext.flags.ext",
|
|
FT_BOOLEAN, 8, NULL, EIGRP_IP_EXT_FLAGS_EXT,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_flags_default,
|
|
{ "Candidate Default Route", "eigrp.at_ext.flags.default",
|
|
FT_BOOLEAN, 8, NULL, EIGRP_IP_EXT_FLAGS_DEFAULT,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_metric,
|
|
{ "External protocol metric", "eigrp.at_ext.metric",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_delay,
|
|
{ "Delay", "eigrp.at_ext.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_bandwidth,
|
|
{ "Bandwidth", "eigrp.at_ext.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_mtu,
|
|
{ "MTU", "eigrp.at_ext.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_hopcount,
|
|
{ "Hop Count", "eigrp.at_ext.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_reliability,
|
|
{ "Reliability", "eigrp.at_ext.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_load,
|
|
{ "Load", "eigrp.at_ext.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_at_ext_reserved,
|
|
{ "Reserved", "eigrp.at_ext.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* IPv6 internal route TLV */
|
|
{ &hf_eigrp_ip6_int_nexthop,
|
|
{ "Next Hop", "eigrp.ip6_int.nexthop",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_delay,
|
|
{ "Delay", "eigrp.ip6_int.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_bandwidth,
|
|
{ "Bandwidth", "eigrp.ip6_int.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_mtu,
|
|
{ "MTU", "eigrp.ip6_int.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_hopcount,
|
|
{ "Hop Count", "eigrp.ip6_int.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_reliability,
|
|
{ "Reliability", "eigrp.ip6_int.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_load,
|
|
{ "Load", "eigrp.ip6_int.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_reserved,
|
|
{ "Reserved", "eigrp.ip6_int.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_int_prefixlen,
|
|
{ "Prefix Length", "eigrp.ip6_int.prefixlen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
/* IPv6 external route TLV */
|
|
{ &hf_eigrp_ip6_ext_nexthop,
|
|
{ "Next Hop", "eigrp.ip6_ext.nexthop",
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_origrouter,
|
|
{ "Originating router", "eigrp.ip6_ext.origrouter",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_as,
|
|
{ "Originating A.S.", "eigrp.ip6_ext.as",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_tag,
|
|
{ "Arbitrary tag", "eigrp.ip6_ext.tag",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_metric,
|
|
{ "External protocol metric", "eigrp.ip6_ext.metric",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_reserved,
|
|
{ "Reserved", "eigrp.ip6_ext.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_proto,
|
|
{ "External protocol ID", "eigrp.ip6_ext.proto",
|
|
FT_UINT8, BASE_DEC, VALS(eigrp_pid_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_flags,
|
|
{ "Flags", "eigrp.ip6_ext.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_flags_ext,
|
|
{ "External Route", "eigrp.ip6_ext.flags.ext",
|
|
FT_BOOLEAN, 8, NULL, EIGRP_IP_EXT_FLAGS_EXT,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_flags_default,
|
|
{ "Candidate Default Route", "eigrp.ip6_ext.flags.default",
|
|
FT_BOOLEAN, 8, NULL, EIGRP_IP_EXT_FLAGS_DEFAULT,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_delay,
|
|
{ "Delay", "eigrp.ip6_ext.delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_bandwidth,
|
|
{ "Bandwidth", "eigrp.ip6_ext.bandwidth",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_mtu,
|
|
{ "MTU", "eigrp.ip6_ext.mtu",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_hopcount,
|
|
{ "Hop Count", "eigrp.ip6_ext.hopcount",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_reliability,
|
|
{ "Reliability", "eigrp.ip6_ext.reliability",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_load,
|
|
{ "Load", "eigrp.ip6_ext.load",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_reserved2,
|
|
{ "Reserved", "eigrp.ip6_ext.reserved2",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_eigrp_ip6_ext_prefixlen,
|
|
{ "Prefix Length", "eigrp.ip6_ext.prefixlen",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_eigrp,
|
|
&ett_eigrp_flags,
|
|
&ett_tlv,
|
|
&ett_eigrp_stub_flags,
|
|
&ett_eigrp_ip_ext_flags,
|
|
&ett_eigrp_ip6_ext_flags,
|
|
&ett_eigrp_at_ext_flags
|
|
};
|
|
|
|
proto_eigrp = proto_register_protocol("Enhanced Interior Gateway Routing Protocol", "EIGRP", "eigrp");
|
|
proto_register_field_array(proto_eigrp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void proto_reg_handoff_eigrp(void) {
|
|
|
|
dissector_handle_t eigrp_handle;
|
|
|
|
ipxsap_handle = find_dissector("ipxsap");
|
|
eigrp_handle = create_dissector_handle(dissect_eigrp, proto_eigrp);
|
|
dissector_add_uint("ip.proto", IP_PROTO_EIGRP, eigrp_handle);
|
|
dissector_add_uint("ddp.type", DDP_EIGRP, eigrp_handle);
|
|
dissector_add_uint("ipx.socket", IPX_SOCKET_EIGRP, eigrp_handle);
|
|
}
|