forked from osmocom/wireshark
5383 lines
267 KiB
C
5383 lines
267 KiB
C
/* packet-icmpv6.c
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* Routines for ICMPv6 packet disassembly
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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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* MobileIPv6 support added by Tomislav Borosa <tomislav.borosa@siemens.hr>
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* Copyright 2006, Nicolas DICHTEL - 6WIND - <nicolas.dichtel@6wind.com>
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*
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* HMIPv6 support added by Martti Kuparinen <martti.kuparinen@iki.fi>
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*
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* FMIPv6 support added by Martin Andre <andre@clarinet.u-strasbg.fr>
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*
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* RPL support added by Colin O'Flynn & Owen Kirby.
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*
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* Enhance ICMPv6 dissector by Alexis La Goutte
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*
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* P2P-RPL support added by Cenk Gundogan <cnkgndgn@gmail.com>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "math.h"
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#include <epan/packet.h>
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#include <epan/in_cksum.h>
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#include <epan/ipproto.h>
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#include <epan/expert.h>
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#include <epan/conversation.h>
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#include <epan/tap.h>
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#include <epan/capture_dissectors.h>
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#include <epan/proto_data.h>
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#include <epan/ipv6.h>
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#include "packet-ber.h"
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#include "packet-dns.h"
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#include "packet-x509af.h"
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#include "packet-x509if.h"
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#include "packet-icmp.h" /* same transaction_t used both both v4 and v6 */
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#include "packet-ieee802154.h"
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#include "packet-6lowpan.h"
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#include "packet-ip.h"
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void proto_register_icmpv6(void);
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void proto_reg_handoff_icmpv6(void);
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/*
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* The information used comes from:
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* RFC 1885/2463/4443: Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
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* RFC 2461/4861: Neighbor Discovery for IP Version 6 (IPv6)
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* RFC 2491: IPv6 over Non-Broadcast Multiple Access (NBMA) networks
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* RFC 2710: Multicast Listener Discovery for IPv6
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* RFC 2894: Router Renumbering for IPv6
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* RFC 3122: Extensions to IPv6 Neighbor Discovery for Inverse Discovery Specification
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* RFC 3775/6275: Mobility Support in IPv6
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* RFC 3810: Multicast Listener Discovery Version 2 (MLDv2) for IPv6
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* RFC 3971: SEcure Neighbor Discovery (SEND)
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* RFC 4065: Instructions for Seamoby and Experimental Mobility Protocol IANA Allocations
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* RFC 4068/5268/5568: Fast Handovers for Mobile IPv6 (Mobile IPv6 Fast Handovers)
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* RFC 4140/5380: Hierarchical Mobile IPv6 Mobility Management (HMIPv6)
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* RFC 4191: Default Router Preferences and More-Specific Routes
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* RFC 4286: Multicast Router Discovery
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* RFC 4620: IPv6 Node Information Queries
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* RFC 5006/6106: IPv6 Router Advertisement Options for DNS Configuration
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* RFC 5075/5175: IPv6 Router Advertisement Flags Option
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* RFC 5269: Distributing a Symmetric Fast Mobile IPv6 (FMIPv6) Handover Key Using SEcure Neighbor Discovery (SEND)
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* RFC 5271: Mobile IPv6 Fast Handovers for 3G CDMA Networks
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* RFC 6275: Mobility Support in IPv6
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* RFC 6495: Subject Key Identifier (SKI) SEND Name Type fields
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* RFC 6496: Secure Proxy ND Support for SEND
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* RFC 6550: RPL: IPv6 Routing Protocol for Low power and Lossy Networks
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* RFC 6554: An IPv6 Routing Header for Source Routes with RPL
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* RFC 6743: ICMP Locator Update message for ILNPv6
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* RFC 6775: Neighbor Discovery Optimization for Low Power and Lossy Networks (6LoWPAN)
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* RFC 6997: Reactive Discovery of Point-to-Point Routes in Low-Power and Lossy Networks
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* RFC 7112: Implications of Oversized IPv6 Header Chains
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* RFC 7400: 6LoWPAN-GHC: Generic Header Compression for IPv6 over Low-Power Wireless Personal Area Networks (6LoWPANs)
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* http://www.iana.org/assignments/icmpv6-parameters (last updated 2015-01-22)
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*/
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static int proto_icmpv6 = -1;
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static int hf_icmpv6_type = -1;
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static int hf_icmpv6_code = -1;
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static int hf_icmpv6_checksum = -1;
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static int hf_icmpv6_checksum_status = -1;
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static int hf_icmpv6_reserved = -1;
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static int hf_icmpv6_data = -1;
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static int hf_icmpv6_unknown_data = -1;
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static int hf_icmpv6_mtu = -1;
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static int hf_icmpv6_pointer = -1;
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static int hf_icmpv6_echo_identifier = -1;
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static int hf_icmpv6_echo_sequence_number = -1;
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static int hf_icmpv6_nonce = -1;
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/* RFC 2461/4861 : Neighbor Discovery for IP version 6 (IPv6) */
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static int hf_icmpv6_nd_ra_cur_hop_limit = -1;
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static int hf_icmpv6_nd_ra_flag = -1;
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static int hf_icmpv6_nd_ra_flag_m = -1;
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static int hf_icmpv6_nd_ra_flag_o = -1;
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static int hf_icmpv6_nd_ra_flag_h = -1;
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static int hf_icmpv6_nd_ra_flag_prf = -1;
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static int hf_icmpv6_nd_ra_flag_p = -1;
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static int hf_icmpv6_nd_ra_flag_rsv = -1;
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static int hf_icmpv6_nd_ra_router_lifetime = -1;
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static int hf_icmpv6_nd_ra_reachable_time = -1;
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static int hf_icmpv6_nd_ra_retrans_timer = -1;
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static int hf_icmpv6_nd_ns_target_address = -1;
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static int hf_icmpv6_nd_na_flag = -1;
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static int hf_icmpv6_nd_na_flag_r = -1;
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static int hf_icmpv6_nd_na_flag_s = -1;
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static int hf_icmpv6_nd_na_flag_o = -1;
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static int hf_icmpv6_nd_na_flag_rsv = -1;
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static int hf_icmpv6_nd_na_target_address = -1;
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static int hf_icmpv6_nd_rd_target_address = -1;
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static int hf_icmpv6_nd_rd_destination_address = -1;
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/* ND Options */
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static int hf_icmpv6_opt = -1;
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static int hf_icmpv6_opt_type = -1;
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static int hf_icmpv6_opt_length = -1;
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static int hf_icmpv6_opt_linkaddr_mac = -1;
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static int hf_icmpv6_opt_src_linkaddr_mac = -1;
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static int hf_icmpv6_opt_target_linkaddr_mac = -1;
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static int hf_icmpv6_opt_linkaddr = -1;
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static int hf_icmpv6_opt_src_linkaddr = -1;
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static int hf_icmpv6_opt_target_linkaddr = -1;
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static int hf_icmpv6_opt_linkaddr_eui64 = -1;
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static int hf_icmpv6_opt_src_linkaddr_eui64 = -1;
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static int hf_icmpv6_opt_target_linkaddr_eui64 = -1;
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static int hf_icmpv6_opt_prefix_len = -1;
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static int hf_icmpv6_opt_prefix_flag = -1;
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static int hf_icmpv6_opt_prefix_flag_l = -1;
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static int hf_icmpv6_opt_prefix_flag_a = -1;
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static int hf_icmpv6_opt_prefix_flag_r = -1;
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static int hf_icmpv6_opt_prefix_flag_reserved = -1;
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static int hf_icmpv6_opt_prefix_valid_lifetime = -1;
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static int hf_icmpv6_opt_prefix_preferred_lifetime = -1;
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static int hf_icmpv6_opt_prefix = -1;
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static int hf_icmpv6_opt_naack_option_code = -1;
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static int hf_icmpv6_opt_naack_status = -1;
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static int hf_icmpv6_opt_naack_supplied_ncoa = -1;
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static int hf_icmpv6_opt_cga_pad_len = -1;
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static int hf_icmpv6_opt_cga = -1;
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static int hf_icmpv6_opt_cga_modifier = -1;
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static int hf_icmpv6_opt_cga_subnet_prefix = -1;
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static int hf_icmpv6_opt_cga_count = -1;
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static int hf_icmpv6_opt_cga_ext_type = -1;
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static int hf_icmpv6_opt_cga_ext_length = -1;
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static int hf_icmpv6_opt_cga_ext_data = -1;
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static int hf_icmpv6_opt_rsa_key_hash = -1;
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static int hf_icmpv6_opt_digital_signature_padding = -1;
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static int hf_icmpv6_opt_ps_key_hash = -1;
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static int hf_icmpv6_opt_timestamp = -1;
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static int hf_icmpv6_opt_nonce = -1;
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static int hf_icmpv6_opt_certificate_padding = -1;
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static int hf_icmpv6_opt_ipa_option_code = -1;
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static int hf_icmpv6_opt_ipa_prefix_len = -1;
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static int hf_icmpv6_opt_ipa_ipv6_address = -1;
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static int hf_icmpv6_opt_nrpi_option_code = -1;
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static int hf_icmpv6_opt_nrpi_prefix_len = -1;
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static int hf_icmpv6_opt_nrpi_prefix = -1;
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static int hf_icmpv6_opt_lla_option_code = -1;
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static int hf_icmpv6_opt_lla_bytes = -1;
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static int hf_icmpv6_opt_map_dist = -1;
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static int hf_icmpv6_opt_map_pref = -1;
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static int hf_icmpv6_opt_map_flag = -1;
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static int hf_icmpv6_opt_map_flag_r = -1;
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static int hf_icmpv6_opt_map_flag_reserved = -1;
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static int hf_icmpv6_opt_map_valid_lifetime = -1;
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static int hf_icmpv6_opt_map_global_address = -1;
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static int hf_icmpv6_opt_route_info_flag = -1;
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static int hf_icmpv6_opt_route_info_flag_route_preference = -1;
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static int hf_icmpv6_opt_route_info_flag_reserved = -1;
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static int hf_icmpv6_opt_route_lifetime = -1;
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static int hf_icmpv6_opt_name_type = -1;
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static int hf_icmpv6_opt_name_x501 = -1;
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static int hf_icmpv6_opt_name_fqdn = -1;
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static int hf_icmpv6_opt_cert_type = -1;
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static int hf_icmpv6_x509if_Name = -1;
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static int hf_icmpv6_x509af_Certificate = -1;
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static int hf_icmpv6_opt_redirected_packet = -1;
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static int hf_icmpv6_opt_mtu = -1;
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static int hf_icmpv6_opt_nbma_shortcut_limit = -1;
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static int hf_icmpv6_opt_advertisement_interval = -1;
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static int hf_icmpv6_opt_home_agent_preference = -1;
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static int hf_icmpv6_opt_home_agent_lifetime = -1;
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static int hf_icmpv6_opt_ipv6_address = -1;
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static int hf_icmpv6_opt_reserved = -1;
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static int hf_icmpv6_opt_padding = -1;
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static int hf_icmpv6_opt_rdnss_lifetime = -1;
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static int hf_icmpv6_opt_rdnss = -1;
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static int hf_icmpv6_opt_efo = -1;
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static int hf_icmpv6_opt_efo_m = -1;
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static int hf_icmpv6_opt_efo_o = -1;
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static int hf_icmpv6_opt_efo_h = -1;
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static int hf_icmpv6_opt_efo_prf = -1;
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static int hf_icmpv6_opt_efo_p = -1;
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static int hf_icmpv6_opt_efo_rsv = -1;
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static int hf_icmpv6_opt_hkr_pad_length = -1;
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static int hf_icmpv6_opt_hkr_at = -1;
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static int hf_icmpv6_opt_hkr_reserved = -1;
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static int hf_icmpv6_opt_hkr_encryption_public_key = -1;
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static int hf_icmpv6_opt_hkr_padding = -1;
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static int hf_icmpv6_opt_hkr_lifetime = -1;
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static int hf_icmpv6_opt_hkr_encrypted_handover_key = -1;
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static int hf_icmpv6_opt_hai_option_code = -1;
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static int hf_icmpv6_opt_hai_length = -1;
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static int hf_icmpv6_opt_hai_value = -1;
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static int hf_icmpv6_opt_mn_option_code = -1;
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static int hf_icmpv6_opt_mn_length = -1;
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static int hf_icmpv6_opt_mn_value = -1;
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static int hf_icmpv6_opt_dnssl_lifetime = -1;
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static int hf_icmpv6_opt_dnssl = -1;
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static int hf_icmpv6_opt_aro_status = -1;
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static int hf_icmpv6_opt_aro_registration_lifetime = -1;
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static int hf_icmpv6_opt_aro_eui64 = -1;
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static int hf_icmpv6_opt_6co_context_length = -1;
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static int hf_icmpv6_opt_6co_flag = -1;
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static int hf_icmpv6_opt_6co_flag_c = -1;
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static int hf_icmpv6_opt_6co_flag_cid = -1;
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static int hf_icmpv6_opt_6co_flag_reserved = -1;
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static int hf_icmpv6_opt_6co_valid_lifetime = -1;
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static int hf_icmpv6_opt_6co_context_prefix = -1;
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static int hf_icmpv6_opt_abro_version_low = -1;
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static int hf_icmpv6_opt_abro_version_high = -1;
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static int hf_icmpv6_opt_abro_valid_lifetime = -1;
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static int hf_icmpv6_opt_abro_6lbr_address = -1;
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static int hf_icmpv6_opt_6cio_unassigned1 = -1;
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static int hf_icmpv6_opt_6cio_flag_g = -1;
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static int hf_icmpv6_opt_6cio_unassigned2 = -1;
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/* RFC 2710: Multicast Listener Discovery for IPv6 */
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static int hf_icmpv6_mld_mrd = -1;
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static int hf_icmpv6_mld_multicast_address = -1;
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/* RFC 2894: Router Renumbering for IPv6 */
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static int hf_icmpv6_rr_sequencenumber = -1;
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static int hf_icmpv6_rr_segmentnumber = -1;
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static int hf_icmpv6_rr_flag = -1;
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static int hf_icmpv6_rr_flag_t = -1;
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static int hf_icmpv6_rr_flag_r = -1;
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static int hf_icmpv6_rr_flag_a = -1;
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static int hf_icmpv6_rr_flag_s = -1;
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static int hf_icmpv6_rr_flag_p = -1;
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static int hf_icmpv6_rr_flag_rsv = -1;
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static int hf_icmpv6_rr_maxdelay = -1;
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static int hf_icmpv6_rr_pco_mp_part = -1;
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static int hf_icmpv6_rr_pco_mp_opcode = -1;
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static int hf_icmpv6_rr_pco_mp_oplength = -1;
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static int hf_icmpv6_rr_pco_mp_ordinal = -1;
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static int hf_icmpv6_rr_pco_mp_matchlen = -1;
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static int hf_icmpv6_rr_pco_mp_minlen = -1;
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static int hf_icmpv6_rr_pco_mp_maxlen = -1;
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static int hf_icmpv6_rr_pco_mp_matchprefix = -1;
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static int hf_icmpv6_rr_pco_up_part = -1;
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static int hf_icmpv6_rr_pco_up_uselen = -1;
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static int hf_icmpv6_rr_pco_up_keeplen = -1;
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static int hf_icmpv6_rr_pco_up_flagmask = -1;
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static int hf_icmpv6_rr_pco_up_flagmask_l = -1;
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static int hf_icmpv6_rr_pco_up_flagmask_a = -1;
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static int hf_icmpv6_rr_pco_up_flagmask_reserved = -1;
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static int hf_icmpv6_rr_pco_up_raflags = -1;
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static int hf_icmpv6_rr_pco_up_raflags_l = -1;
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static int hf_icmpv6_rr_pco_up_raflags_a = -1;
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static int hf_icmpv6_rr_pco_up_raflags_reserved = -1;
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static int hf_icmpv6_rr_pco_up_validlifetime = -1;
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static int hf_icmpv6_rr_pco_up_preferredlifetime = -1;
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static int hf_icmpv6_rr_pco_up_flag = -1;
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static int hf_icmpv6_rr_pco_up_flag_v = -1;
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static int hf_icmpv6_rr_pco_up_flag_p = -1;
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static int hf_icmpv6_rr_pco_up_flag_reserved = -1;
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static int hf_icmpv6_rr_pco_up_useprefix = -1;
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static int hf_icmpv6_rr_rm = -1;
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static int hf_icmpv6_rr_rm_flag = -1;
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static int hf_icmpv6_rr_rm_flag_b = -1;
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static int hf_icmpv6_rr_rm_flag_f = -1;
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static int hf_icmpv6_rr_rm_flag_reserved = -1;
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static int hf_icmpv6_rr_rm_ordinal = -1;
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static int hf_icmpv6_rr_rm_matchedlen = -1;
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static int hf_icmpv6_rr_rm_interfaceindex = -1;
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static int hf_icmpv6_rr_rm_matchedprefix = -1;
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/* RFC 3810: Multicast Listener Discovery Version 2 (MLDv2) for IPv6 */
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static int hf_icmpv6_mld_mrc = -1;
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static int hf_icmpv6_mld_flag = -1;
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static int hf_icmpv6_mld_flag_s = -1;
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static int hf_icmpv6_mld_flag_qrv = -1;
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static int hf_icmpv6_mld_flag_rsv = -1;
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static int hf_icmpv6_mld_qqi = -1;
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static int hf_icmpv6_mld_nb_sources = -1;
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static int hf_icmpv6_mld_source_address = -1;
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static int hf_icmpv6_mldr_nb_mcast_records = -1;
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static int hf_icmpv6_mldr_mar = -1;
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static int hf_icmpv6_mldr_mar_record_type = -1;
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static int hf_icmpv6_mldr_mar_aux_data_len = -1;
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static int hf_icmpv6_mldr_mar_nb_sources = -1;
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static int hf_icmpv6_mldr_mar_multicast_address = -1;
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static int hf_icmpv6_mldr_mar_source_address = -1;
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static int hf_icmpv6_mldr_mar_auxiliary_data = -1;
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/* RFC3775/6275: Mobility Support in IPv6 */
|
|
static int hf_icmpv6_mip6_identifier = -1;
|
|
static int hf_icmpv6_mip6_home_agent_address = -1;
|
|
static int hf_icmpv6_mip6_flag = -1;
|
|
static int hf_icmpv6_mip6_flag_m = -1;
|
|
static int hf_icmpv6_mip6_flag_o = -1;
|
|
static int hf_icmpv6_mip6_flag_rsv = -1;
|
|
|
|
/* RFC3971: SEcure Neighbor Discovery (SEND) */
|
|
static int hf_icmpv6_send_identifier = -1;
|
|
static int hf_icmpv6_send_all_components = -1;
|
|
static int hf_icmpv6_send_component = -1;
|
|
|
|
/* RFC 4068/5268/5568: Fast Handovers for Mobile IPv6 ( Mobile IPv6 Fast Handovers ) */
|
|
static int hf_icmpv6_fmip6_subtype = -1;
|
|
static int hf_icmpv6_fmip6_hi_flag = -1;
|
|
static int hf_icmpv6_fmip6_hi_flag_s = -1;
|
|
static int hf_icmpv6_fmip6_hi_flag_u = -1;
|
|
static int hf_icmpv6_fmip6_hi_flag_reserved = -1;
|
|
static int hf_icmpv6_fmip6_identifier = -1;
|
|
|
|
/* RFC 4286: Multicast Router Discovery */
|
|
static int hf_icmpv6_mcast_ra_query_interval = -1;
|
|
static int hf_icmpv6_mcast_ra_robustness_variable = -1;
|
|
|
|
/* RFC 4620: IPv6 Node Information Queries */
|
|
static int hf_icmpv6_ni_qtype = -1;
|
|
static int hf_icmpv6_ni_flag = -1;
|
|
static int hf_icmpv6_ni_flag_g = -1;
|
|
static int hf_icmpv6_ni_flag_s = -1;
|
|
static int hf_icmpv6_ni_flag_l = -1;
|
|
static int hf_icmpv6_ni_flag_c = -1;
|
|
static int hf_icmpv6_ni_flag_a = -1;
|
|
static int hf_icmpv6_ni_flag_t = -1;
|
|
static int hf_icmpv6_ni_flag_rsv = -1;
|
|
static int hf_icmpv6_ni_nonce = -1;
|
|
static int hf_icmpv6_ni_query_subject_ipv6 = -1;
|
|
static int hf_icmpv6_ni_query_subject_fqdn = -1;
|
|
static int hf_icmpv6_ni_query_subject_ipv4 = -1;
|
|
static int hf_icmpv6_ni_reply_node_ttl = -1;
|
|
static int hf_icmpv6_ni_reply_node_name = -1;
|
|
static int hf_icmpv6_ni_reply_node_address = -1;
|
|
static int hf_icmpv6_ni_reply_ipv4_address = -1;
|
|
|
|
/* RPL: RFC 6550/6997 : Routing and Discovery of P2P Routes in Low-Power and Lossy Networks. */
|
|
static int hf_icmpv6_rpl_dis_flag = -1;
|
|
static int hf_icmpv6_rpl_dio_instance = -1;
|
|
static int hf_icmpv6_rpl_dio_version = -1;
|
|
static int hf_icmpv6_rpl_dio_rank = -1;
|
|
static int hf_icmpv6_rpl_dio_flag = -1;
|
|
static int hf_icmpv6_rpl_dio_flag_g = -1;
|
|
static int hf_icmpv6_rpl_dio_flag_0 = -1;
|
|
static int hf_icmpv6_rpl_dio_flag_mop = -1;
|
|
static int hf_icmpv6_rpl_dio_flag_prf = -1;
|
|
static int hf_icmpv6_rpl_dio_dtsn = -1;
|
|
static int hf_icmpv6_rpl_dio_dagid = -1;
|
|
static int hf_icmpv6_rpl_dao_instance = -1;
|
|
static int hf_icmpv6_rpl_dao_flag = -1;
|
|
static int hf_icmpv6_rpl_dao_flag_k = -1;
|
|
static int hf_icmpv6_rpl_dao_flag_d = -1;
|
|
static int hf_icmpv6_rpl_dao_flag_rsv = -1;
|
|
static int hf_icmpv6_rpl_dao_sequence = -1;
|
|
static int hf_icmpv6_rpl_dao_dodagid = -1;
|
|
static int hf_icmpv6_rpl_daoack_instance = -1;
|
|
static int hf_icmpv6_rpl_daoack_flag = -1;
|
|
static int hf_icmpv6_rpl_daoack_flag_d = -1;
|
|
static int hf_icmpv6_rpl_daoack_flag_rsv = -1;
|
|
static int hf_icmpv6_rpl_daoack_sequence = -1;
|
|
static int hf_icmpv6_rpl_daoack_status = -1;
|
|
static int hf_icmpv6_rpl_daoack_dodagid = -1;
|
|
static int hf_icmpv6_rpl_cc_instance = -1;
|
|
static int hf_icmpv6_rpl_cc_flag = -1;
|
|
static int hf_icmpv6_rpl_cc_flag_r = -1;
|
|
static int hf_icmpv6_rpl_cc_flag_rsv = -1;
|
|
static int hf_icmpv6_rpl_cc_nonce = -1;
|
|
static int hf_icmpv6_rpl_cc_dodagid = -1;
|
|
static int hf_icmpv6_rpl_cc_destination_counter = -1;
|
|
static int hf_icmpv6_rpl_secure_flag = -1;
|
|
static int hf_icmpv6_rpl_secure_flag_t = -1;
|
|
static int hf_icmpv6_rpl_secure_flag_rsv = -1;
|
|
static int hf_icmpv6_rpl_secure_algorithm = -1;
|
|
static int hf_icmpv6_rpl_secure_algorithm_encryption = -1;
|
|
static int hf_icmpv6_rpl_secure_algorithm_signature = -1;
|
|
static int hf_icmpv6_rpl_secure_kim = -1;
|
|
static int hf_icmpv6_rpl_secure_lvl = -1;
|
|
static int hf_icmpv6_rpl_secure_rsv = -1;
|
|
static int hf_icmpv6_rpl_secure_counter = -1;
|
|
static int hf_icmpv6_rpl_secure_key_source = -1;
|
|
static int hf_icmpv6_rpl_secure_key_index = -1;
|
|
static int hf_icmpv6_rpl_opt = -1;
|
|
static int hf_icmpv6_rpl_opt_type = -1;
|
|
static int hf_icmpv6_rpl_opt_length = -1;
|
|
static int hf_icmpv6_rpl_opt_reserved = -1;
|
|
static int hf_icmpv6_rpl_opt_padn = -1;
|
|
static int hf_icmpv6_rpl_opt_route_prefix_length = -1;
|
|
static int hf_icmpv6_rpl_opt_route_flag = -1;
|
|
static int hf_icmpv6_rpl_opt_route_pref = -1;
|
|
static int hf_icmpv6_rpl_opt_route_reserved = -1;
|
|
static int hf_icmpv6_rpl_opt_route_lifetime = -1;
|
|
static int hf_icmpv6_rpl_opt_route_prefix = -1;
|
|
static int hf_icmpv6_rpl_opt_config_flag = -1;
|
|
static int hf_icmpv6_rpl_opt_config_reserved = -1;
|
|
static int hf_icmpv6_rpl_opt_config_auth = -1;
|
|
static int hf_icmpv6_rpl_opt_config_pcs = -1;
|
|
static int hf_icmpv6_rpl_opt_config_doublings = -1;
|
|
static int hf_icmpv6_rpl_opt_config_min_interval = -1;
|
|
static int hf_icmpv6_rpl_opt_config_redundancy = -1;
|
|
static int hf_icmpv6_rpl_opt_config_rank_incr = -1;
|
|
static int hf_icmpv6_rpl_opt_config_hop_rank_inc = -1;
|
|
static int hf_icmpv6_rpl_opt_config_ocp = -1;
|
|
static int hf_icmpv6_rpl_opt_config_rsv = -1;
|
|
static int hf_icmpv6_rpl_opt_config_def_lifetime = -1;
|
|
static int hf_icmpv6_rpl_opt_config_lifetime_unit = -1;
|
|
static int hf_icmpv6_rpl_opt_target_flag = -1;
|
|
static int hf_icmpv6_rpl_opt_target_prefix_length = -1;
|
|
static int hf_icmpv6_rpl_opt_target_prefix = -1;
|
|
static int hf_icmpv6_rpl_opt_transit_flag = -1;
|
|
static int hf_icmpv6_rpl_opt_transit_flag_e = -1;
|
|
static int hf_icmpv6_rpl_opt_transit_flag_rsv = -1;
|
|
static int hf_icmpv6_rpl_opt_transit_pathseq = -1;
|
|
static int hf_icmpv6_rpl_opt_transit_pathctl = -1;
|
|
static int hf_icmpv6_rpl_opt_transit_pathlifetime = -1;
|
|
static int hf_icmpv6_rpl_opt_transit_parent = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_instance = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_flag = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_flag_v = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_flag_i = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_flag_d = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_flag_rsv = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_dodagid = -1;
|
|
static int hf_icmpv6_rpl_opt_solicited_version = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_flag = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_flag_l = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_flag_a = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_flag_r = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_flag_rsv = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_vlifetime = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_plifetime = -1;
|
|
static int hf_icmpv6_rpl_opt_prefix_length = -1;
|
|
static int hf_icmpv6_rpl_opt_targetdesc = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_flag = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_reply = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_hop_by_hop = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_num_of_routes = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_compr = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_lifetime = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_nh = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_maxrank = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_target_addr = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_addr_vec = -1;
|
|
static int hf_icmpv6_rpl_opt_route_discovery_addr_vec_addr = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_instance = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_version = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_flag = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_flag_stop = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_flag_ack = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_flag_seq = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_flag_reserved = -1;
|
|
static int hf_icmpv6_rpl_p2p_dro_dagid = -1;
|
|
static int hf_icmpv6_rpl_p2p_droack_flag = -1;
|
|
static int hf_icmpv6_rpl_p2p_droack_flag_seq = -1;
|
|
static int hf_icmpv6_rpl_p2p_droack_flag_reserved = -1;
|
|
|
|
/* RFC6743 Locator Update (156) */
|
|
static int hf_icmpv6_ilnp_nb_locs = -1;
|
|
static int hf_icmpv6_ilnp_locator = -1;
|
|
static int hf_icmpv6_ilnp_preference = -1;
|
|
static int hf_icmpv6_ilnp_lifetime = -1;
|
|
|
|
static int hf_icmpv6_da_status = -1;
|
|
static int hf_icmpv6_da_rsv = -1;
|
|
static int hf_icmpv6_da_lifetime = -1;
|
|
static int hf_icmpv6_da_eui64 = -1;
|
|
static int hf_icmpv6_da_raddr = -1;
|
|
|
|
static int icmpv6_tap = -1;
|
|
|
|
/* Conversation related data */
|
|
static int hf_icmpv6_resp_in = -1;
|
|
static int hf_icmpv6_resp_to = -1;
|
|
static int hf_icmpv6_no_resp = -1;
|
|
static int hf_icmpv6_resptime = -1;
|
|
|
|
typedef struct _icmpv6_conv_info_t {
|
|
wmem_tree_t *unmatched_pdus;
|
|
wmem_tree_t *matched_pdus;
|
|
} icmpv6_conv_info_t;
|
|
|
|
static icmp_transaction_t *transaction_start(packet_info *pinfo, proto_tree *tree, guint32 *key);
|
|
static icmp_transaction_t *transaction_end(packet_info *pinfo, proto_tree *tree, guint32 *key);
|
|
|
|
static gint ett_icmpv6 = -1;
|
|
static gint ett_icmpv6_opt = -1;
|
|
static gint ett_icmpv6_mar = -1;
|
|
static gint ett_icmpv6_flag_prefix = -1;
|
|
static gint ett_icmpv6_flag_map = -1;
|
|
static gint ett_icmpv6_flag_route_info = -1;
|
|
static gint ett_icmpv6_flag_6lowpan = -1;
|
|
static gint ett_icmpv6_flag_efo = -1;
|
|
static gint ett_icmpv6_rpl_opt = -1;
|
|
static gint ett_icmpv6_rpl_flag_routing = -1;
|
|
static gint ett_icmpv6_rpl_flag_config = -1;
|
|
static gint ett_icmpv6_rpl_flag_transit = -1;
|
|
static gint ett_icmpv6_rpl_flag_solicited = -1;
|
|
static gint ett_icmpv6_rpl_flag_prefix = -1;
|
|
static gint ett_icmpv6_rpl_route_discovery_flag = -1;
|
|
static gint ett_icmpv6_rpl_route_discovery_addr_vec = -1;
|
|
static gint ett_icmpv6_rpl_p2p_dro_flag = -1;
|
|
static gint ett_icmpv6_rpl_p2p_droack_flag = -1;
|
|
static gint ett_icmpv6_flag_ni = -1;
|
|
static gint ett_icmpv6_flag_rr = -1;
|
|
static gint ett_icmpv6_rr_mp = -1;
|
|
static gint ett_icmpv6_rr_up = -1;
|
|
static gint ett_icmpv6_rr_up_flag_mask = -1;
|
|
static gint ett_icmpv6_rr_up_flag_ra = -1;
|
|
static gint ett_icmpv6_rr_up_flag = -1;
|
|
static gint ett_icmpv6_rr_rm = -1;
|
|
static gint ett_icmpv6_rr_rm_flag = -1;
|
|
static gint ett_icmpv6_flag_mld = -1;
|
|
static gint ett_icmpv6_flag_ra = -1;
|
|
static gint ett_icmpv6_flag_na = -1;
|
|
static gint ett_icmpv6_flag_mip6 = -1;
|
|
static gint ett_icmpv6_flag_fmip6 = -1;
|
|
static gint ett_icmpv6_flag_secure = -1;
|
|
static gint ett_icmpv6_flag_rpl_dio = -1;
|
|
static gint ett_icmpv6_flag_rpl_dao = -1;
|
|
static gint ett_icmpv6_flag_rpl_daoack = -1;
|
|
static gint ett_icmpv6_flag_rpl_cc = -1;
|
|
static gint ett_icmpv6_opt_name = -1;
|
|
static gint ett_icmpv6_cga_param_name = -1;
|
|
|
|
static expert_field ei_icmpv6_invalid_option_length = EI_INIT;
|
|
static expert_field ei_icmpv6_undecoded_option = EI_INIT;
|
|
static expert_field ei_icmpv6_unknown_data = EI_INIT;
|
|
static expert_field ei_icmpv6_undecoded_rpl_option = EI_INIT;
|
|
static expert_field ei_icmpv6_undecoded_type = EI_INIT;
|
|
static expert_field ei_icmpv6_rr_pco_mp_matchlen = EI_INIT;
|
|
static expert_field ei_icmpv6_rr_pco_mp_matchedlen = EI_INIT;
|
|
static expert_field ei_icmpv6_checksum = EI_INIT;
|
|
static expert_field ei_icmpv6_resp_not_found = EI_INIT;
|
|
static expert_field ei_icmpv6_rpl_p2p_hop_by_hop = EI_INIT;
|
|
static expert_field ei_icmpv6_rpl_p2p_num_of_routes = EI_INIT;
|
|
static expert_field ei_icmpv6_rpl_p2p_dro_rdo_zero = EI_INIT;
|
|
static expert_field ei_icmpv6_rpl_p2p_dro_zero = EI_INIT;
|
|
|
|
static dissector_handle_t icmpv6_handle;
|
|
|
|
static dissector_handle_t ipv6_handle;
|
|
|
|
#define ICMP6_DST_UNREACH 1
|
|
#define ICMP6_PACKET_TOO_BIG 2
|
|
#define ICMP6_TIME_EXCEEDED 3
|
|
#define ICMP6_PARAM_PROB 4
|
|
#define ICMP6_ECHO_REQUEST 128
|
|
#define ICMP6_ECHO_REPLY 129
|
|
#define ICMP6_MEMBERSHIP_QUERY 130
|
|
#define ICMP6_MEMBERSHIP_REPORT 131
|
|
#define ICMP6_MEMBERSHIP_REDUCTION 132
|
|
#define ICMP6_ND_ROUTER_SOLICIT 133
|
|
#define ICMP6_ND_ROUTER_ADVERT 134
|
|
#define ICMP6_ND_NEIGHBOR_SOLICIT 135
|
|
#define ICMP6_ND_NEIGHBOR_ADVERT 136
|
|
#define ICMP6_ND_REDIRECT 137
|
|
#define ICMP6_ROUTER_RENUMBERING 138
|
|
#define ICMP6_NI_QUERY 139
|
|
#define ICMP6_NI_REPLY 140
|
|
#define ICMP6_IND_SOLICIT 141
|
|
#define ICMP6_IND_ADVERT 142
|
|
#define ICMP6_MLDV2_REPORT 143
|
|
#define ICMP6_MIP6_DHAAD_REQUEST 144
|
|
#define ICMP6_MIP6_DHAAD_REPLY 145
|
|
#define ICMP6_MIP6_MPS 146
|
|
#define ICMP6_MIP6_MPA 147
|
|
#define ICMP6_CERT_PATH_SOL 148
|
|
#define ICMP6_CERT_PATH_AD 149
|
|
#define ICMP6_EXPERIMENTAL_MOBILITY 150
|
|
#define ICMP6_MCAST_ROUTER_ADVERT 151
|
|
#define ICMP6_MCAST_ROUTER_SOLICIT 152
|
|
#define ICMP6_MCAST_ROUTER_TERM 153
|
|
#define ICMP6_FMIPV6_MESSAGES 154
|
|
#define ICMP6_RPL_CONTROL 155
|
|
#define ICMP6_ILNPV6 156
|
|
#define ICMP6_6LOWPANND_DAR 157
|
|
#define ICMP6_6LOWPANND_DAC 158
|
|
|
|
|
|
static const value_string icmpv6_type_val[] = {
|
|
{ ICMP6_DST_UNREACH, "Destination Unreachable" }, /* [RFC4443] */
|
|
{ ICMP6_PACKET_TOO_BIG, "Packet Too Big" }, /* [RFC4443] */
|
|
{ ICMP6_TIME_EXCEEDED, "Time Exceeded" }, /* [RFC4443] */
|
|
{ ICMP6_PARAM_PROB, "Parameter Problem" }, /* [RFC4443] */
|
|
{ 100, "Private experimentation" }, /* [RFC4443] */
|
|
{ 101, "Private experimentation" }, /* [RFC4443] */
|
|
{ 127, "Reserved for expansion of ICMPv6 error messages" }, /* [RFC4443] */
|
|
{ ICMP6_ECHO_REQUEST, "Echo (ping) request" }, /* [RFC4443] */
|
|
{ ICMP6_ECHO_REPLY, "Echo (ping) reply" }, /* [RFC4443] */
|
|
{ ICMP6_MEMBERSHIP_QUERY, "Multicast Listener Query" }, /* [RFC2710] */
|
|
{ ICMP6_MEMBERSHIP_REPORT, "Multicast Listener Report" }, /* [RFC2710] */
|
|
{ ICMP6_MEMBERSHIP_REDUCTION, "Multicast Listener Done" }, /* [RFC2710] */
|
|
{ ICMP6_ND_ROUTER_SOLICIT, "Router Solicitation" }, /* [RFC4861] */
|
|
{ ICMP6_ND_ROUTER_ADVERT, "Router Advertisement" }, /* [RFC4861] */
|
|
{ ICMP6_ND_NEIGHBOR_SOLICIT, "Neighbor Solicitation" }, /* [RFC4861] */
|
|
{ ICMP6_ND_NEIGHBOR_ADVERT, "Neighbor Advertisement" }, /* [RFC4861] */
|
|
{ ICMP6_ND_REDIRECT, "Redirect" }, /* [RFC4861] */
|
|
{ ICMP6_ROUTER_RENUMBERING, "Router Renumbering" }, /* [RFC2894] */
|
|
{ ICMP6_NI_QUERY, "Node Information Query" }, /* [RFC4620] */
|
|
{ ICMP6_NI_REPLY, "Node Information Reply" }, /* [RFC4620] */
|
|
{ ICMP6_IND_SOLICIT, "Inverse Neighbor Discovery Solicitation" }, /* [RFC3122] */
|
|
{ ICMP6_IND_ADVERT, "Inverse Neighbor Discovery Advertisement" }, /* [RFC3122] */
|
|
{ ICMP6_MLDV2_REPORT, "Multicast Listener Report Message v2" }, /* [RFC3810] */
|
|
{ ICMP6_MIP6_DHAAD_REQUEST, "Home Agent Address Discovery Request" }, /* [RFC6275] */
|
|
{ ICMP6_MIP6_DHAAD_REPLY, "Home Agent Address Discovery Reply" }, /* [RFC6275] */
|
|
{ ICMP6_MIP6_MPS, "Mobile Prefix Solicitation" }, /* [RFC6275] */
|
|
{ ICMP6_MIP6_MPA, "Mobile Prefix Advertisement" }, /* [RFC6275] */
|
|
{ ICMP6_CERT_PATH_SOL, "Certification Path Solicitation" }, /* [RFC3971] */
|
|
{ ICMP6_CERT_PATH_AD, "Certification Path Advertisement" }, /* [RFC3971] */
|
|
{ ICMP6_EXPERIMENTAL_MOBILITY, "Experimental Mobility" }, /* [RFC4065] */
|
|
{ ICMP6_MCAST_ROUTER_ADVERT, "Multicast Router Advertisement" }, /* [RFC4286] */
|
|
{ ICMP6_MCAST_ROUTER_SOLICIT, "Multicast Router Solicitation" }, /* [RFC4286] */
|
|
{ ICMP6_MCAST_ROUTER_TERM, "Multicast Router Termination" }, /* [RFC4286] */
|
|
{ ICMP6_FMIPV6_MESSAGES, "FMIPv6" }, /* [RFC5568] */
|
|
{ ICMP6_RPL_CONTROL, "RPL Control" }, /* [RFC6550] */
|
|
{ ICMP6_ILNPV6, "Locator Update"}, /* [RFC6743] */
|
|
{ ICMP6_6LOWPANND_DAR, "Duplicate Address Request"}, /* [RFC6775] */
|
|
{ ICMP6_6LOWPANND_DAC, "Duplicate Address Confirmation"}, /* [RFC6775] */
|
|
{ 200, "Private experimentation" }, /* [RFC4443] */
|
|
{ 201, "Private experimentation" }, /* [RFC4443] */
|
|
{ 255, "Reserved for expansion of ICMPv6 informational messages" }, /* [RFC4443] */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
|
|
#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
|
|
#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
|
|
#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
|
|
#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
|
|
#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
|
|
#define ICMP6_DST_UNREACH_INGR_EGR 5 /* source address failed ingress/egress policy */
|
|
#define ICMP6_DST_UNREACH_REJECT 6 /* reject route to destination */
|
|
#define ICMP6_DST_UNREACH_ERROR 7 /* error in Source Routing Header */
|
|
|
|
static const value_string icmpv6_unreach_code_val[] = {
|
|
{ ICMP6_DST_UNREACH_NOROUTE, "no route to destination" },
|
|
{ ICMP6_DST_UNREACH_ADMIN, "Administratively prohibited" },
|
|
{ ICMP6_DST_UNREACH_BEYONDSCOPE, "Beyond scope of source address" },
|
|
{ ICMP6_DST_UNREACH_ADDR, "Address unreachable" },
|
|
{ ICMP6_DST_UNREACH_NOPORT, "Port unreachable" },
|
|
{ ICMP6_DST_UNREACH_INGR_EGR, "Source address failed ingress/egress policy" },
|
|
{ ICMP6_DST_UNREACH_REJECT, "Reject route to destination" },
|
|
{ ICMP6_DST_UNREACH_ERROR, "Error in Source Routing Header" }, /* [RFC6550] [RFC6554] */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
|
|
#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
|
|
|
|
static const value_string icmpv6_timeex_code_val[] = {
|
|
{ ICMP6_TIME_EXCEED_TRANSIT, "hop limit exceeded in transit" },
|
|
{ ICMP6_TIME_EXCEED_REASSEMBLY, "fragment reassembly time exceeded" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
|
|
#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
|
|
#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
|
|
#define ICMP6_PARAMPROB_FIRSTFRAG 3 /* IPv6 First Fragment has incomplete IPv6 Header Chain [RFC 7112] */
|
|
|
|
static const value_string icmpv6_paramprob_code_val[] = {
|
|
{ ICMP6_PARAMPROB_HEADER, "erroneous header field encountered" },
|
|
{ ICMP6_PARAMPROB_NEXTHEADER, "unrecognized Next Header type encountered" },
|
|
{ ICMP6_PARAMPROB_OPTION, "unrecognized IPv6 option encountered" },
|
|
{ ICMP6_PARAMPROB_FIRSTFRAG, "IPv6 First Fragment has incomplete IPv6 Header Chain" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
/* RFC2894 - Router Renumbering for IPv6 */
|
|
|
|
#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
|
|
#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
|
|
#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
|
|
|
|
static const value_string icmpv6_rr_code_val[] = {
|
|
{ ICMP6_ROUTER_RENUMBERING_COMMAND, "Command" },
|
|
{ ICMP6_ROUTER_RENUMBERING_RESULT, "Result" },
|
|
{ ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET, "Sequence number reset" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define RR_FLAG_T 0x80
|
|
#define RR_FLAG_R 0x40
|
|
#define RR_FLAG_A 0x20
|
|
#define RR_FLAG_S 0x10
|
|
#define RR_FLAG_P 0x08
|
|
#define RR_FLAG_RSV 0x07
|
|
|
|
static const value_string rr_pco_mp_opcode_val[] = {
|
|
{ 1, "Add" },
|
|
{ 2, "Change" },
|
|
{ 3, "Set Global" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
/* RFC3810 - Multicast Listener Discovery Version 2 (MLDv2) for IPv6 */
|
|
|
|
#define MLDV2_PACKET_MINLEN 28
|
|
|
|
#define MLD_FLAG_S 0x08
|
|
#define MLD_FLAG_QRV 0x07
|
|
#define MLD_FLAG_RSV 0xF0
|
|
|
|
static const value_string mldr_record_type_val[] = {
|
|
{ 1, "Include" },
|
|
{ 2, "Exclude" },
|
|
{ 3, "Changed to include" },
|
|
{ 4, "Changed to exclude" },
|
|
{ 5, "Allow new sources" },
|
|
{ 6, "Block old sources" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* RFC 4068/5268/5568: Fast Handovers for Mobile IPv6 ( Mobile IPv6 Fast Handovers ) */
|
|
|
|
#define FMIP6_SUBTYPE_RTSOLPR 2
|
|
#define FMIP6_SUBTYPE_PRRTADV 3
|
|
#define FMIP6_SUBTYPE_HI 4
|
|
#define FMIP6_SUBTYPE_HACK 5
|
|
|
|
static const value_string fmip6_subtype_val[] = {
|
|
{ FMIP6_SUBTYPE_RTSOLPR, "Router Solicitation for Proxy Advertisement" },
|
|
{ FMIP6_SUBTYPE_PRRTADV, "Proxy Router Advertisement" },
|
|
{ FMIP6_SUBTYPE_HI, "Handover Initiate" },
|
|
{ FMIP6_SUBTYPE_HACK, "Handover Acknowledge" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string fmip6_prrtadv_code_val[] = {
|
|
{ 0, "MN should use AP-ID, AR-info tuple" },
|
|
{ 1, "Network Initiated Handover trigger" },
|
|
{ 2, "No new router information" },
|
|
{ 3, "Limited new router information" },
|
|
{ 4, "Unsolicited" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string fmip6_hi_code_val[] = {
|
|
{ 0, "FBU sent from previous link" },
|
|
{ 1, "FBU sent from new link" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string fmip6_hack_code_val[] = {
|
|
{ 0, "Handover Accepted, NCoA valid" },
|
|
{ 1, "Handover Accepted, NCoA not valid" },
|
|
{ 2, "Handover Accepted, NCoA in use" },
|
|
{ 3, "Handover Accepted, NCoA assigned" },
|
|
{ 4, "Handover Accepted, NCoA not assigned" },
|
|
{ 128, "Handover Not Accepted, reason unspecified" },
|
|
{ 129, "Administratively prohibited" },
|
|
{ 130, "Insufficient resources" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define FMIP6_HI_FLAG_S 0x80
|
|
#define FMIP6_HI_FLAG_U 0x40
|
|
#define FMIP6_HI_FLAG_RSV 0x3F
|
|
|
|
/* RFC 4620 - IPv6 Node Information Queries */
|
|
|
|
#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
|
|
#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
|
|
#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
|
|
|
|
#define ICMP6_NI_SUCCESS 0 /* node information successful reply */
|
|
#define ICMP6_NI_REFUSED 1 /* node information request is refused */
|
|
#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
|
|
|
|
#define NI_QTYPE_NOOP 0 /* NOOP */
|
|
#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes (Obso) */
|
|
#define NI_QTYPE_NODENAME 2 /* Node Name */
|
|
#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
|
|
#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
|
|
|
|
static const value_string ni_query_code_val[] = {
|
|
{ ICMP6_NI_SUBJ_IPV6, "Query subject = IPv6 addresses" },
|
|
{ ICMP6_NI_SUBJ_FQDN, "Query subject = DNS name or empty" },
|
|
{ ICMP6_NI_SUBJ_IPV4, "Query subject = IPv4 addresses" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string ni_reply_code_val[] = {
|
|
{ ICMP6_NI_SUCCESS, "Successful" },
|
|
{ ICMP6_NI_REFUSED, "Refused" },
|
|
{ ICMP6_NI_UNKNOWN, "Unknown query type" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string ni_qtype_val[] = {
|
|
{ NI_QTYPE_NOOP, "NOOP" },
|
|
{ NI_QTYPE_SUPTYPES, "Supported query types (Obsolete)" },
|
|
{ NI_QTYPE_NODENAME, "Node Name" },
|
|
{ NI_QTYPE_NODEADDR, "Node addresses" },
|
|
{ NI_QTYPE_IPV4ADDR, "IPv4 node addresses" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define NI_FLAG_G 0x0020
|
|
#define NI_FLAG_S 0x0010
|
|
#define NI_FLAG_L 0x0008
|
|
#define NI_FLAG_C 0x0004
|
|
#define NI_FLAG_A 0x0002
|
|
#define NI_FLAG_T 0x0001
|
|
#define NI_FLAG_RSV 0xFFC0
|
|
|
|
static const true_false_string tfs_ni_flag_a = {
|
|
"All unicast address",
|
|
"Unicast addresses on the queried interface"
|
|
};
|
|
|
|
#define ND_OPT_SOURCE_LINKADDR 1
|
|
#define ND_OPT_TARGET_LINKADDR 2
|
|
#define ND_OPT_PREFIX_INFORMATION 3
|
|
#define ND_OPT_REDIRECTED_HEADER 4
|
|
#define ND_OPT_MTU 5
|
|
#define ND_OPT_NBMA 6
|
|
#define ND_OPT_ADVINTERVAL 7
|
|
#define ND_OPT_HOMEAGENT_INFO 8
|
|
#define ND_OPT_SOURCE_ADDRLIST 9
|
|
#define ND_OPT_TARGET_ADDRLIST 10
|
|
#define ND_OPT_CGA 11
|
|
#define ND_OPT_RSA 12
|
|
#define ND_OPT_TIMESTAMP 13
|
|
#define ND_OPT_NONCE 14
|
|
#define ND_OPT_TRUST_ANCHOR 15
|
|
#define ND_OPT_CERTIFICATE 16
|
|
#define ND_OPT_IP_ADDRESS_PREFIX 17
|
|
#define ND_OPT_NEW_ROUTER_PREFIX_INFO 18
|
|
#define ND_OPT_LINK_LAYER_ADDRESS 19
|
|
#define ND_OPT_NEIGHBOR_ADV_ACK 20
|
|
#define ND_OPT_MAP 23
|
|
#define ND_OPT_ROUTE_INFO 24
|
|
#define ND_OPT_RECURSIVE_DNS_SERVER 25
|
|
#define ND_OPT_FLAGS_EXTENSION 26
|
|
#define ND_OPT_HANDOVER_KEY_REQUEST 27
|
|
#define ND_OPT_HANDOVER_KEY_REPLY 28
|
|
#define ND_OPT_HANDOVER_ASSIST_INFO 29
|
|
#define ND_OPT_MOBILE_NODE_ID 30
|
|
#define ND_OPT_DNS_SEARCH_LIST 31
|
|
#define ND_OPT_PROXY_SIGNATURE 32
|
|
#define ND_OPT_ADDR_REGISTRATION 33
|
|
#define ND_OPT_6LOWPAN_CONTEXT 34
|
|
#define ND_OPT_AUTH_BORDER_ROUTER 35
|
|
#define ND_OPT_6CIO 36
|
|
|
|
static const value_string option_vals[] = {
|
|
/* 1 */ { ND_OPT_SOURCE_LINKADDR, "Source link-layer address" },
|
|
/* 2 */ { ND_OPT_TARGET_LINKADDR, "Target link-layer address" },
|
|
/* 3 */ { ND_OPT_PREFIX_INFORMATION, "Prefix information" },
|
|
/* 4 */ { ND_OPT_REDIRECTED_HEADER, "Redirected header" },
|
|
/* 5 */ { ND_OPT_MTU, "MTU" },
|
|
/* 6 */ { ND_OPT_NBMA, "NBMA Shortcut Limit Option" }, /* [RFC2491] */
|
|
/* 7 */ { ND_OPT_ADVINTERVAL, "Advertisement Interval" }, /* [RFC6275] */
|
|
/* 8 */ { ND_OPT_HOMEAGENT_INFO, "Home Agent Information" }, /* [RFC6275] */
|
|
/* 9 */ { ND_OPT_SOURCE_ADDRLIST, "Source Address List" }, /* [RFC3122] */
|
|
/* 10 */ { ND_OPT_TARGET_ADDRLIST, "Target Address List" }, /* [RFC3122] */
|
|
/* 11 */ { ND_OPT_CGA, "CGA" }, /* [RFC3971] */
|
|
/* 12 */ { ND_OPT_RSA, "RSA Signature" }, /* [RFC3971] */
|
|
/* 13 */ { ND_OPT_TIMESTAMP, "Timestamp" }, /* [RFC3971] */
|
|
/* 14 */ { ND_OPT_NONCE, "Nonce" }, /* [RFC3971] */
|
|
/* 15 */ { ND_OPT_TRUST_ANCHOR, "Trust Anchor" }, /* [RFC3971] */
|
|
/* 16 */ { ND_OPT_CERTIFICATE, "Certificate" }, /* [RFC3971] */
|
|
/* 17 */ { ND_OPT_IP_ADDRESS_PREFIX, "IP Address/Prefix Option" }, /* [RFC5568] */
|
|
/* 18 */ { ND_OPT_NEW_ROUTER_PREFIX_INFO, "New Router Prefix Information" }, /* [RFC4068] OBSO */
|
|
/* 19 */ { ND_OPT_LINK_LAYER_ADDRESS, "Link-layer Address" }, /* [RFC5568] */
|
|
/* 20 */ { ND_OPT_NEIGHBOR_ADV_ACK, "Neighbor Advertisement Acknowledgment" }, /* [RFC5568] */
|
|
/* 21-22 Unassigned */
|
|
/* 23 */ { ND_OPT_MAP, "MAP" }, /* [RFC4140] */
|
|
/* 24 */ { ND_OPT_ROUTE_INFO, "Route Information" }, /* [RFC4191] */
|
|
/* 25 */ { ND_OPT_RECURSIVE_DNS_SERVER, "Recursive DNS Server" }, /* [RFC6106] */
|
|
/* 26 */ { ND_OPT_FLAGS_EXTENSION, "RA Flags Extension" }, /* [RFC5175] */
|
|
/* 27 */ { ND_OPT_HANDOVER_KEY_REQUEST, "Handover Key Request" }, /* [RFC5269] */
|
|
/* 28 */ { ND_OPT_HANDOVER_KEY_REPLY, "Handover Key Reply" }, /* [RFC5269] */
|
|
/* 29 */ { ND_OPT_HANDOVER_ASSIST_INFO, "Handover Assist Information" }, /* [RFC5271] */
|
|
/* 30 */ { ND_OPT_MOBILE_NODE_ID, "Mobile Node Identifier Option" }, /* [RFC5271] */
|
|
/* 31 */ { ND_OPT_DNS_SEARCH_LIST, "DNS Search List Option" }, /* [RFC6106] */
|
|
/* 32 */ { ND_OPT_PROXY_SIGNATURE, "Proxy Signature (PS)" }, /* [RFC6496] */
|
|
/* 33 */ { ND_OPT_ADDR_REGISTRATION, "Address Registration Option" }, /* [RFC6775] */
|
|
/* 34 */ { ND_OPT_6LOWPAN_CONTEXT, "6LoWPAN Context Option" }, /* [RFC6775] */
|
|
/* 35 */ { ND_OPT_AUTH_BORDER_ROUTER, "Authoritative Border Router" }, /* [RFC6775] */
|
|
/* 36 */ { ND_OPT_6CIO, "6LoWPAN Capability Indication Option" }, /* [RFC7400] */
|
|
/* 37-137 Unassigned */
|
|
{ 138, "CARD Request" }, /* [RFC4065] */
|
|
{ 139, "CARD Reply" }, /* [RFC4065] */
|
|
/* 140-252 Unassigned */
|
|
{ 253, "RFC3692-style Experiment 1" }, /* [RFC4727] */
|
|
{ 254, "RFC3692-style Experiment 2" }, /* [RFC4727] */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define ND_RA_FLAG_M 0x80
|
|
#define ND_RA_FLAG_O 0x40
|
|
#define ND_RA_FLAG_H 0x20
|
|
#define ND_RA_FLAG_PRF 0x18
|
|
#define ND_RA_FLAG_P 0x04
|
|
#define ND_RA_FLAG_RSV 0x02
|
|
|
|
#define ND_NA_FLAG_R 0x80000000
|
|
#define ND_NA_FLAG_S 0x40000000
|
|
#define ND_NA_FLAG_O 0x20000000
|
|
#define ND_NA_FLAG_RSV 0x1FFFFFFF
|
|
|
|
static const value_string nd_flag_router_pref[] = {
|
|
{ 1, "High" },
|
|
{ 0, "Medium" },
|
|
{ 3, "Low" },
|
|
{ 2, "Reserved" },
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static const value_string nd_opt_ipa_option_code_val[] = {
|
|
{ 1, "Old Care-of Address" },
|
|
{ 2, "New Care-of Address" },
|
|
{ 3, "NAR's IP address" },
|
|
{ 4, "NAR's Prefix (sent in PrRtAdv)" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string nd_opt_lla_option_code_val[] = {
|
|
{ 0, "Wildcard" },
|
|
{ 1, "Link-layer Address of the New Access Point" },
|
|
{ 2, "Link-layer Address of the MN" },
|
|
{ 3, "Link-layer Address of the NAR" },
|
|
{ 4, "Link-layer Address of the source" },
|
|
{ 5, "The AP belongs to the current interface of the router" },
|
|
{ 6, "No prefix information available" },
|
|
{ 7, "No fast handovers support available" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string nd_opt_hai_option_code_val[] = {
|
|
{ 1, "Access Network Identifier (AN ID)" },
|
|
{ 2, "Sector ID" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string nd_opt_mn_option_code_val[] = {
|
|
{ 1, "NAI" },
|
|
{ 2, "IMSI" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string nd_opt_naack_status_val[] = {
|
|
{ 1, "New CoA is invalid, perform address configuration" },
|
|
{ 2, "New CoA is invalid, use the supplied CoA" },
|
|
{ 3, "NCoA is invalid, use NAR's IP address as NCoA in FBU" },
|
|
{ 4, "PCoA supplied, do not send FBU" },
|
|
{ 128, "LLA is unrecognized" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define ND_OPT_6CO_FLAG_C 0x10
|
|
#define ND_OPT_6CO_FLAG_CID 0x0F
|
|
#define ND_OPT_6CO_FLAG_RESERVED 0xE0
|
|
|
|
static const value_string nd_opt_6lowpannd_status_val[] = {
|
|
{ 0, "Success" },
|
|
{ 1, "Duplicate Exists" },
|
|
{ 2, "Neighbor Cache Full" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string icmpv6_option_name_type_vals[] = {
|
|
{ 1, "DER Encoded X.501 Name" },
|
|
{ 2, "FQDN" },
|
|
{ 3, "SHA-1 Subject Key Identifier (SKI)" },
|
|
{ 4, "SHA-224 Subject Key Identifier (SKI)" },
|
|
{ 5, "SHA-256 Subject Key Identifier (SKI)" },
|
|
{ 6, "SHA-384 Subject Key Identifier (SKI)" },
|
|
{ 7, "SHA-512 Subject Key Identifier (SKI)" },
|
|
{ 253, "Reserved for Experimental Use" },
|
|
{ 254, "Reserved for Experimental Use" },
|
|
{ 255, "Reserved" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string icmpv6_option_cert_type_vals[] = {
|
|
{ 1, "X.509v3 Certificate" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* RFC 4191: Default Router Preferences and More-Specific Routes */
|
|
|
|
#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
|
|
#define ND_RA_FLAG_RESERV_MASK 0xE7 /* 11100111 */
|
|
|
|
/* RFC 5075/5175 : IPv6 Router Advertisement Flags Option */
|
|
#define FLAGS_EO_M 0x8000
|
|
#define FLAGS_EO_O 0x4000
|
|
#define FLAGS_EO_H 0x2000
|
|
#define FLAGS_EO_PRF 0x1800
|
|
#define FLAGS_EO_P 0x0400
|
|
#define FLAGS_EO_RSV 0x02FF
|
|
|
|
|
|
|
|
/* RPL : RFC 6550 : Routing over Low-Power and Lossy Networks. */
|
|
/* RPL ICMPv6 Codes */
|
|
#define ICMP6_RPL_DIS 0x00 /* DODAG Information Solicitation */
|
|
#define ICMP6_RPL_DIO 0x01 /* DODAG Information Object */
|
|
#define ICMP6_RPL_DAO 0x02 /* Destination Advertisement Object */
|
|
#define ICMP6_RPL_DAOACK 0x03 /* Destination Advertisement Object Ack */
|
|
#define ICMP6_RPL_P2P_DRO 0x04 /* P2P Discovery Reply Object */
|
|
#define ICMP6_RPL_P2P_DROACK 0x05 /* P2P Discovery Reply Object Acknowledgement */
|
|
#define ICMP6_RPL_SDIS 0x80 /* Secure DODAG Information Solicitation */
|
|
#define ICMP6_RPL_SDIO 0x81 /* Secure DODAG Information Object */
|
|
#define ICMP6_RPL_SDAO 0x82 /* Secure Destination Advertisement Object */
|
|
#define ICMP6_RPL_SDAOACK 0x83 /* Secure Destination Advertisement Object Ack */
|
|
#define ICMP6_RPL_P2P_SDRO 0x84 /* Secure P2P Discovery Reply Object */
|
|
#define ICMP6_RPL_P2P_SDROACK 0x85 /* Secure P2P Discovery Reply Object Acknowledgement */
|
|
#define ICMP6_RPL_CC 0x8A /* Consistency Check */
|
|
|
|
|
|
/* RPL DIO Flags */
|
|
#define RPL_DIO_FLAG_G 0x80
|
|
#define RPL_DIO_FLAG_0 0x40
|
|
#define RPL_DIO_FLAG_MOP 0x38
|
|
#define RPL_DIO_FLAG_PRF 0x07
|
|
|
|
/* RPL DAO Flags */
|
|
#define RPL_DAO_FLAG_K 0x80
|
|
#define RPL_DAO_FLAG_D 0x40
|
|
#define RPL_DAO_FLAG_RESERVED 0x3F
|
|
|
|
/* RPL DAO ACK Flags */
|
|
#define RPL_DAOACK_FLAG_D 0x80
|
|
#define RPL_DAOACK_FLAG_RESERVED 0x7F
|
|
|
|
/* RPL CC Flags */
|
|
#define RPL_CC_FLAG_R 0x80
|
|
#define RPL_CC_FLAG_RESERVED 0x7F
|
|
|
|
/* RPL Secure */
|
|
#define ICMP6_RPL_SECURE 0x80
|
|
|
|
#define RPL_SECURE_FLAG_T 0x80
|
|
#define RPL_SECURE_FLAG_RSV 0x7F
|
|
|
|
#define RPL_SECURE_LVL 0x07
|
|
#define RPL_SECURE_KIM 0xC0
|
|
#define RPL_SECURE_RSV 0x38
|
|
|
|
/* RPL P2P DRO Flags */
|
|
#define RPL_P2P_DRO_FLAG_S 0x8000
|
|
#define RPL_P2P_DRO_FLAG_A 0x4000
|
|
#define RPL_P2P_DRO_FLAG_SEQ 0x3000
|
|
#define RPL_P2P_DRO_FLAG_RSV 0x0FFF
|
|
|
|
/* RPL P2P DROACK Flags */
|
|
#define RPL_P2P_DROACK_FLAG_SEQ 0xc000
|
|
#define RPL_P2P_DROACK_FLAG_RSV 0x3FFF
|
|
|
|
/* RPL Option Bitfields */
|
|
#define RPL_OPT_PREFIX_FLAG_L 0x80
|
|
#define RPL_OPT_PREFIX_FLAG_A 0x40
|
|
#define RPL_OPT_PREFIX_FLAG_R 0x20
|
|
#define RPL_OPT_PREFIX_FLAG_RSV 0x1F
|
|
#define RPL_OPT_ROUTE_PREFERENCE 0x18
|
|
#define RPL_OPT_ROUTE_RESERVED 0xE7
|
|
#define RPL_OPT_CONFIG_FLAG_AUTH 0x08
|
|
#define RPL_OPT_CONFIG_FLAG_PCS 0x07
|
|
#define RPL_OPT_CONFIG_FLAG_RESERVED 0xF0
|
|
#define RPL_OPT_TRANSIT_FLAG_E 0x80
|
|
#define RPL_OPT_TRANSIT_FLAG_RSV 0x7F
|
|
#define RPL_OPT_SOLICITED_FLAG_V 0x80
|
|
#define RPL_OPT_SOLICITED_FLAG_I 0x40
|
|
#define RPL_OPT_SOLICITED_FLAG_D 0x20
|
|
#define RPL_OPT_SOLICITED_FLAG_RSV 0x1F
|
|
#define RPL_OPT_ROUTE_DISCOVERY_R 0x80
|
|
#define RPL_OPT_ROUTE_DISCOVERY_H 0x40
|
|
#define RPL_OPT_ROUTE_DISCOVERY_N 0x30
|
|
#define RPL_OPT_ROUTE_DISCOVERY_COMPR 0x0F
|
|
#define RPL_OPT_ROUTE_DISCOVERY_L 0xC0
|
|
#define RPL_OPT_ROUTE_DISCOVERY_MR_NH 0x3F
|
|
|
|
static const value_string rpl_dio_map_val[] = {
|
|
{ 0, "No Downward routes maintained by RPL" },
|
|
{ 1, "Non-Storing Mode of Operation" },
|
|
{ 2, "Storing Mode of Operation with no multicast support" },
|
|
{ 3, "Storing Mode of Operation with multicast support" },
|
|
{ 4, "P2P Route Discovery Mode of Operation" },
|
|
{ 0, NULL }
|
|
};
|
|
static const value_string rpl_code_val[] = {
|
|
{ ICMP6_RPL_DIS, "DODAG Information Solicitation" },
|
|
{ ICMP6_RPL_DIO, "DODAG Information Object" },
|
|
{ ICMP6_RPL_DAO, "Destination Advertisement Object" },
|
|
{ ICMP6_RPL_DAOACK, "Destination Advertisement Object Acknowledgment" },
|
|
{ ICMP6_RPL_SDIS, "Secure DODAG Information Solicitation" },
|
|
{ ICMP6_RPL_SDIO, "Secure DODAG Information Object" },
|
|
{ ICMP6_RPL_SDAO, "Secure Destination Advertisement Object" },
|
|
{ ICMP6_RPL_SDAOACK, "Secure Destination Advertisement Object Acknowledgment" },
|
|
{ ICMP6_RPL_CC, "Consistency Check" },
|
|
{ ICMP6_RPL_P2P_DRO, "P2P Discovery Reply Object" },
|
|
{ ICMP6_RPL_P2P_SDRO, "P2P Secure Discovery Reply Object" },
|
|
{ ICMP6_RPL_P2P_DROACK, "P2P Discovery Reply Object Acknowledgement" },
|
|
{ ICMP6_RPL_P2P_SDROACK,"P2P Secure Discovery Reply Object Acknowledgement" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string rpl_secure_algorithm_encryption_val[] = {
|
|
{ 0, "CCM with AES-128" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string rpl_secure_algorithm_signature_val[] = {
|
|
{ 0, "RSA with SHA-256" },
|
|
{ 0, NULL }
|
|
};
|
|
/* RPL Option Types */
|
|
/* Pending IANA Assignment */
|
|
#define RPL_OPT_PAD1 0 /* 1-byte padding */
|
|
#define RPL_OPT_PADN 1 /* n-byte padding */
|
|
#define RPL_OPT_METRIC 2 /* DAG metric container */
|
|
#define RPL_OPT_ROUTING 3 /* Routing Information */
|
|
#define RPL_OPT_CONFIG 4 /* DAG configuration */
|
|
#define RPL_OPT_TARGET 5 /* RPL Target */
|
|
#define RPL_OPT_TRANSIT 6 /* Transit */
|
|
#define RPL_OPT_SOLICITED 7 /* Solicited Information */
|
|
#define RPL_OPT_PREFIX 8 /* Destination prefix */
|
|
#define RPL_OPT_TARGETDESC 9 /* RPL Target Descriptor */
|
|
#define RPL_OPT_ROUTE_DISCOVERY 10 /* P2P Route Discovery */
|
|
|
|
static const value_string rpl_option_vals[] = {
|
|
{ RPL_OPT_PAD1, "1-byte padding" },
|
|
{ RPL_OPT_PADN, "n-byte padding" },
|
|
{ RPL_OPT_METRIC, "DAG Metric container" },
|
|
{ RPL_OPT_ROUTING, "Routing Information"},
|
|
{ RPL_OPT_CONFIG, "DODAG configuration" },
|
|
{ RPL_OPT_TARGET, "RPL Target" },
|
|
{ RPL_OPT_TRANSIT, "Transit Information" },
|
|
{ RPL_OPT_SOLICITED, "Solicited Information"},
|
|
{ RPL_OPT_PREFIX, "Prefix Information"},
|
|
{ RPL_OPT_TARGETDESC, "RPL Target Descriptor"},
|
|
{ RPL_OPT_ROUTE_DISCOVERY, "P2P Route Discovery"},
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* RFC 7400 */
|
|
#define ND_OPT_6CIO_FLAG_G 0x0001
|
|
#define ND_OPT_6CIO_FLAG_UNASSIGNED 0xFFFE
|
|
|
|
static int
|
|
dissect_contained_icmpv6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
gboolean save_in_error_pkt;
|
|
gint offset;
|
|
|
|
/* Save the current value of the "we're inside an error packet"
|
|
flag, and set that flag; subdissectors may treat packets
|
|
that are the payload of error packets differently from
|
|
"real" packets. */
|
|
save_in_error_pkt = pinfo->flags.in_error_pkt;
|
|
pinfo->flags.in_error_pkt = TRUE;
|
|
|
|
/* tiny sanity check */
|
|
if ((tvb_get_guint8(tvb, 0) & 0xf0) == 0x60) {
|
|
/* The contained packet is an IPv6 datagram; dissect it. */
|
|
offset = call_dissector(ipv6_handle, tvb, pinfo, tree);
|
|
} else {
|
|
offset = call_data_dissector(tvb, pinfo, tree);
|
|
}
|
|
|
|
/* Restore the "we're inside an error packet" flag. */
|
|
pinfo->flags.in_error_pkt = save_in_error_pkt;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* ======================================================================= */
|
|
static conversation_t *_find_or_create_conversation(packet_info *pinfo)
|
|
{
|
|
conversation_t *conv = NULL;
|
|
|
|
/* Have we seen this conversation before? */
|
|
conv = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst,
|
|
pinfo->ptype, 0, 0, 0);
|
|
if (conv == NULL) {
|
|
/* No, this is a new conversation. */
|
|
conv = conversation_new(pinfo->num, &pinfo->src, &pinfo->dst,
|
|
pinfo->ptype, 0, 0, 0);
|
|
}
|
|
return conv;
|
|
}
|
|
|
|
/* ======================================================================= */
|
|
static icmp_transaction_t *transaction_start(packet_info *pinfo, proto_tree *tree, guint32 *key)
|
|
{
|
|
conversation_t *conversation;
|
|
icmpv6_conv_info_t *icmpv6_info;
|
|
icmp_transaction_t *icmpv6_trans;
|
|
wmem_tree_key_t icmpv6_key[3];
|
|
proto_item *it;
|
|
|
|
/* Handle the conversation tracking */
|
|
conversation = _find_or_create_conversation(pinfo);
|
|
icmpv6_info = (icmpv6_conv_info_t *)conversation_get_proto_data(conversation, proto_icmpv6);
|
|
if (icmpv6_info == NULL) {
|
|
icmpv6_info = wmem_new(wmem_file_scope(), icmpv6_conv_info_t);
|
|
icmpv6_info->unmatched_pdus = wmem_tree_new(wmem_file_scope());
|
|
icmpv6_info->matched_pdus = wmem_tree_new(wmem_file_scope());
|
|
conversation_add_proto_data(conversation, proto_icmpv6, icmpv6_info);
|
|
}
|
|
|
|
if (!PINFO_FD_VISITED(pinfo)) {
|
|
/*
|
|
* This is a new request, create a new transaction structure and map it
|
|
* to the unmatched table.
|
|
*/
|
|
icmpv6_key[0].length = 2;
|
|
icmpv6_key[0].key = key;
|
|
icmpv6_key[1].length = 0;
|
|
icmpv6_key[1].key = NULL;
|
|
|
|
icmpv6_trans = wmem_new(wmem_file_scope(), icmp_transaction_t);
|
|
icmpv6_trans->rqst_frame = pinfo->num;
|
|
icmpv6_trans->resp_frame = 0;
|
|
icmpv6_trans->rqst_time = pinfo->abs_ts;
|
|
nstime_set_zero(&icmpv6_trans->resp_time);
|
|
wmem_tree_insert32_array(icmpv6_info->unmatched_pdus, icmpv6_key, (void *)icmpv6_trans);
|
|
} else {
|
|
/* Already visited this frame */
|
|
guint32 frame_num = pinfo->num;
|
|
|
|
icmpv6_key[0].length = 2;
|
|
icmpv6_key[0].key = key;
|
|
icmpv6_key[1].length = 1;
|
|
icmpv6_key[1].key = &frame_num;
|
|
icmpv6_key[2].length = 0;
|
|
icmpv6_key[2].key = NULL;
|
|
|
|
icmpv6_trans = (icmp_transaction_t *)wmem_tree_lookup32_array(icmpv6_info->matched_pdus, icmpv6_key);
|
|
}
|
|
|
|
if (icmpv6_trans == NULL) {
|
|
if (pinfo->dst.type == AT_IPv6 &&
|
|
in6_is_addr_multicast((const struct e_in6_addr *)pinfo->dst.data)) {
|
|
/* XXX We should support multicast echo requests, but we don't currently */
|
|
/* Note the multicast destination and skip transaction tracking */
|
|
col_append_str(pinfo->cinfo, COL_INFO, " (multicast)");
|
|
} else if (PINFO_FD_VISITED(pinfo)) {
|
|
/* No response found - add field and expert info */
|
|
it = proto_tree_add_item(tree, hf_icmpv6_no_resp, NULL, 0, 0,
|
|
ENC_NA);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (no response found!)");
|
|
|
|
/* Expert info. TODO: add to _icmp_transaction_t type and sequence number
|
|
so can report here (and in taps) */
|
|
expert_add_info_format(pinfo, it, &ei_icmpv6_resp_not_found,
|
|
"No response seen to ICMPv6 request in frame %u",
|
|
pinfo->num);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Print state tracking in the tree */
|
|
if (icmpv6_trans->resp_frame) {
|
|
if (tree) {
|
|
it = proto_tree_add_uint(tree, hf_icmpv6_resp_in, NULL, 0, 0,
|
|
icmpv6_trans->resp_frame);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
}
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (reply in %d)", icmpv6_trans->resp_frame);
|
|
}
|
|
|
|
return icmpv6_trans;
|
|
|
|
} /* transaction_start() */
|
|
|
|
/* ======================================================================= */
|
|
static icmp_transaction_t *transaction_end(packet_info *pinfo, proto_tree *tree, guint32 *key)
|
|
{
|
|
conversation_t *conversation;
|
|
icmpv6_conv_info_t *icmpv6_info;
|
|
icmp_transaction_t *icmpv6_trans;
|
|
wmem_tree_key_t icmpv6_key[3];
|
|
proto_item *it;
|
|
nstime_t ns;
|
|
double resp_time;
|
|
|
|
conversation = find_conversation(pinfo->num, &pinfo->src, &pinfo->dst,
|
|
pinfo->ptype, 0, 0, 0);
|
|
if (conversation == NULL)
|
|
return NULL;
|
|
|
|
icmpv6_info = (icmpv6_conv_info_t *)conversation_get_proto_data(conversation, proto_icmpv6);
|
|
if (icmpv6_info == NULL)
|
|
return NULL;
|
|
|
|
if (!PINFO_FD_VISITED(pinfo)) {
|
|
guint32 frame_num;
|
|
|
|
icmpv6_key[0].length = 2;
|
|
icmpv6_key[0].key = key;
|
|
icmpv6_key[1].length = 0;
|
|
icmpv6_key[1].key = NULL;
|
|
|
|
icmpv6_trans = (icmp_transaction_t *)wmem_tree_lookup32_array(icmpv6_info->unmatched_pdus, icmpv6_key);
|
|
if (icmpv6_trans == NULL)
|
|
return NULL;
|
|
|
|
/* we have already seen this response, or an identical one */
|
|
if (icmpv6_trans->resp_frame != 0)
|
|
return NULL;
|
|
|
|
icmpv6_trans->resp_frame = pinfo->num;
|
|
|
|
/*
|
|
* we found a match. Add entries to the matched table for both
|
|
* request and reply frames
|
|
*/
|
|
icmpv6_key[0].length = 2;
|
|
icmpv6_key[0].key = key;
|
|
icmpv6_key[1].length = 1;
|
|
icmpv6_key[1].key = &frame_num;
|
|
icmpv6_key[2].length = 0;
|
|
icmpv6_key[2].key = NULL;
|
|
|
|
frame_num = icmpv6_trans->rqst_frame;
|
|
wmem_tree_insert32_array(icmpv6_info->matched_pdus, icmpv6_key, (void *)icmpv6_trans);
|
|
|
|
frame_num = icmpv6_trans->resp_frame;
|
|
wmem_tree_insert32_array(icmpv6_info->matched_pdus, icmpv6_key, (void *)icmpv6_trans);
|
|
} else {
|
|
/* Already visited this frame */
|
|
guint32 frame_num = pinfo->num;
|
|
|
|
icmpv6_key[0].length = 2;
|
|
icmpv6_key[0].key = key;
|
|
icmpv6_key[1].length = 1;
|
|
icmpv6_key[1].key = &frame_num;
|
|
icmpv6_key[2].length = 0;
|
|
icmpv6_key[2].key = NULL;
|
|
|
|
icmpv6_trans = (icmp_transaction_t *)wmem_tree_lookup32_array(icmpv6_info->matched_pdus, icmpv6_key);
|
|
if (icmpv6_trans == NULL)
|
|
return NULL;
|
|
}
|
|
|
|
/* Print state tracking in the tree */
|
|
if (tree) {
|
|
it = proto_tree_add_uint(tree, hf_icmpv6_resp_to, NULL, 0, 0,
|
|
icmpv6_trans->rqst_frame);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
}
|
|
|
|
nstime_delta(&ns, &pinfo->abs_ts, &icmpv6_trans->rqst_time);
|
|
icmpv6_trans->resp_time = ns;
|
|
if (tree) {
|
|
resp_time = nstime_to_msec(&ns);
|
|
it = proto_tree_add_double_format_value(tree, hf_icmpv6_resptime, NULL,
|
|
0, 0, resp_time, "%.3f ms", resp_time);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
}
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (request in %d)",
|
|
icmpv6_trans->rqst_frame);
|
|
|
|
return icmpv6_trans;
|
|
|
|
} /* transaction_end() */
|
|
|
|
static int
|
|
dissect_icmpv6_nd_opt(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *icmp6opt_tree, *flag_tree;
|
|
proto_item *ti, *ti_opt, *ti_opt_len;
|
|
guint8 opt_type;
|
|
int opt_len;
|
|
int opt_offset;
|
|
tvbuff_t *opt_tvb;
|
|
|
|
while ((int)tvb_reported_length(tvb) > offset) {
|
|
/* there are more options */
|
|
|
|
/* ICMPv6 Option */
|
|
opt_len = tvb_get_guint8(tvb, offset + 1) * 8;
|
|
ti = proto_tree_add_item(tree, hf_icmpv6_opt, tvb, offset, opt_len, ENC_NA);
|
|
icmp6opt_tree = proto_item_add_subtree(ti, ett_icmpv6_opt);
|
|
opt_offset = offset;
|
|
|
|
/* Option type */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_type, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_type = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* Add option name to option root label */
|
|
proto_item_append_text(ti, " (%s", val_to_str(opt_type, option_vals, "Unknown %d"));
|
|
|
|
/* Option length */
|
|
ti_opt_len = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_length, tvb,opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Add length value in bytes */
|
|
proto_item_append_text(ti_opt_len, " (%i bytes)", opt_len);
|
|
|
|
if(opt_len == 0){
|
|
expert_add_info_format(pinfo, ti_opt_len, &ei_icmpv6_invalid_option_length, "Invalid option length (Zero)");
|
|
return opt_offset;
|
|
}
|
|
|
|
/* decode... */
|
|
switch (opt_type) {
|
|
case ND_OPT_SOURCE_LINKADDR: /* Source Link-layer Address (1) */
|
|
{
|
|
const gchar *link_str;
|
|
/* if the opt len is 8, the Link Addr is MAC Address */
|
|
if(opt_len == 8){
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_linkaddr_mac, tvb, opt_offset, 6, ENC_NA);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_src_linkaddr_mac, tvb, opt_offset, 6, ENC_NA);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
|
|
link_str = tvb_ether_to_str(tvb, opt_offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " from %s", link_str);
|
|
proto_item_append_text(ti, " : %s", link_str);
|
|
/* if the opt len is 16 and the 6 last bytes is 0n the Link Addr is EUI64 Address */
|
|
}else if(opt_len == 16 && tvb_get_ntohl(tvb, opt_offset + 8) == 0 && tvb_get_ntohs(tvb, opt_offset + 12) == 0){
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_linkaddr_eui64, tvb, opt_offset, 8, ENC_BIG_ENDIAN);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_src_linkaddr_eui64, tvb, opt_offset, 8, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_linkaddr, tvb, opt_offset, 8, ENC_NA);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_src_linkaddr, tvb, opt_offset, 8, ENC_NA);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
|
|
/* Padding: 6 bytes */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset + 8, 6, ENC_NA);
|
|
|
|
link_str = tvb_eui64_to_str(tvb, opt_offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " from %s", link_str);
|
|
proto_item_append_text(ti, " : %s", link_str);
|
|
}else{
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_linkaddr, tvb, opt_offset, opt_len-2, ENC_NA);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_src_linkaddr, tvb, opt_offset, opt_len-2, ENC_NA);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
}
|
|
opt_offset += opt_len;
|
|
|
|
break;
|
|
}
|
|
case ND_OPT_TARGET_LINKADDR: /* Target Link-layer Address (2) */
|
|
{
|
|
const gchar *link_str;
|
|
/* if the opt len is 8, the Link Addr is MAC Address */
|
|
if(opt_len == 8){
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_linkaddr_mac, tvb, opt_offset, 6, ENC_NA);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_target_linkaddr_mac, tvb, opt_offset, 6, ENC_NA);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
|
|
link_str = tvb_ether_to_str(tvb, opt_offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " is at %s", link_str);
|
|
proto_item_append_text(ti, " : %s", link_str);
|
|
|
|
/* if the opt len is 16 and the 6 last bytes is 0n the Link Addr is EUI64 Address */
|
|
}else if(opt_len == 16 && tvb_get_ntohl(tvb, opt_offset + 8) == 0 && tvb_get_ntohs(tvb, opt_offset + 12) == 0){
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_linkaddr_eui64, tvb, opt_offset, 8, ENC_BIG_ENDIAN);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_target_linkaddr_eui64, tvb, opt_offset, 8, ENC_BIG_ENDIAN);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
|
|
/* Padding: 6 bytes */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset + 8, 6, ENC_NA);
|
|
|
|
link_str = tvb_eui64_to_str(tvb, opt_offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " from %s", link_str);
|
|
proto_item_append_text(ti, " : %s", link_str);
|
|
}else{
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_linkaddr, tvb, opt_offset, opt_len-2, ENC_NA);
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_target_linkaddr, tvb, opt_offset, opt_len-2, ENC_NA);
|
|
PROTO_ITEM_SET_HIDDEN(ti_opt);
|
|
}
|
|
opt_offset += opt_len;
|
|
break;
|
|
}
|
|
case ND_OPT_PREFIX_INFORMATION: /* Prefix Information (3) */
|
|
{
|
|
guint8 prefix_len;
|
|
/* RFC 4861 */
|
|
|
|
/* Prefix Length */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_prefix_len, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
prefix_len = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_prefix_flag, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_flag_prefix);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_prefix_flag_l, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_prefix_flag_a, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_prefix_flag_r, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_prefix_flag_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Prefix Valid Lifetime */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_prefix_valid_lifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
|
|
/* Prefix Preferred Lifetime */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_prefix_preferred_lifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 4, ENC_NA);
|
|
opt_offset += 4;
|
|
|
|
/* Prefix */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_prefix, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " : %s/%d", tvb_ip6_to_str(tvb, opt_offset), prefix_len);
|
|
opt_offset += 16;
|
|
|
|
break;
|
|
}
|
|
case ND_OPT_REDIRECTED_HEADER: /* Redirected Header (4) */
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 6, ENC_NA);
|
|
opt_offset += 6;
|
|
|
|
if (opt_len > 8) {
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_redirected_packet, tvb, opt_offset, opt_len - 8, ENC_NA);
|
|
opt_tvb = tvb_new_subset_length(tvb, opt_offset, opt_len - 8);
|
|
opt_offset += dissect_contained_icmpv6(opt_tvb, pinfo, icmp6opt_tree);
|
|
}
|
|
break;
|
|
case ND_OPT_MTU: /* MTU (5) */
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset += 2;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_mtu, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(ti, " : %d", tvb_get_ntohl(tvb, opt_offset));
|
|
opt_offset += 4;
|
|
break;
|
|
case ND_OPT_NBMA: /* NBMA Shortcut Limit Option (6) */
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_nbma_shortcut_limit, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(ti, " : %d", tvb_get_guint8(tvb, opt_offset));
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 1, ENC_NA);
|
|
opt_offset += 1;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 4, ENC_NA);
|
|
opt_offset += 4;
|
|
|
|
break;
|
|
case ND_OPT_ADVINTERVAL: /* Advertisement Interval Option (7) */
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset += 2;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_advertisement_interval, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(ti, " : %d", tvb_get_ntohl(tvb, opt_offset));
|
|
opt_offset += 4;
|
|
|
|
break;
|
|
case ND_OPT_HOMEAGENT_INFO: /* Home Agent Information Option (8) */
|
|
{
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset += 2;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_home_agent_preference, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_home_agent_lifetime, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
break;
|
|
}
|
|
case ND_OPT_SOURCE_ADDRLIST: /* Source Address List (9) */
|
|
case ND_OPT_TARGET_ADDRLIST: /* Target Address List (10)*/
|
|
{
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 6, ENC_NA);
|
|
opt_offset += 6;
|
|
|
|
while(opt_offset < (offset + opt_len) ) {
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_ipv6_address, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s", tvb_ip6_to_str(tvb, opt_offset));
|
|
opt_offset += 16;
|
|
}
|
|
break;
|
|
}
|
|
case ND_OPT_CGA: /* CGA Option (11) */
|
|
{
|
|
proto_tree *cga_tree;
|
|
proto_item *cga_item;
|
|
guint16 ext_data_len;
|
|
guint8 padd_length;
|
|
int par_len;
|
|
asn1_ctx_t asn1_ctx;
|
|
|
|
/* Pad Length */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_cga_pad_len, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
padd_length = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* Reserved 8 bits */
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 1, ENC_NA);
|
|
opt_offset += 1;
|
|
|
|
/* CGA Parameters A variable-length field containing the CGA Parameters data
|
|
* structure described in Section 4 of
|
|
* "Cryptographically Generated Addresses (CGA)", RFC3972.
|
|
*/
|
|
par_len = opt_len -4 -padd_length;
|
|
cga_item = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_cga, tvb, opt_offset, par_len, ENC_NA);
|
|
par_len += opt_offset;
|
|
|
|
cga_tree = proto_item_add_subtree(cga_item, ett_icmpv6_cga_param_name);
|
|
proto_tree_add_item(cga_tree, hf_icmpv6_opt_cga_modifier, tvb, opt_offset, 16, ENC_NA);
|
|
opt_offset += 16;
|
|
|
|
proto_tree_add_item(cga_tree, hf_icmpv6_opt_cga_subnet_prefix, tvb, opt_offset, 8, ENC_NA);
|
|
opt_offset += 8;
|
|
|
|
proto_tree_add_item(cga_tree ,hf_icmpv6_opt_cga_count, tvb, opt_offset, 1, ENC_NA);
|
|
opt_offset += 1;
|
|
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
opt_offset = dissect_x509af_SubjectPublicKeyInfo(FALSE, tvb, opt_offset, &asn1_ctx, cga_tree, -1);
|
|
|
|
/* Process RFC 4581*/
|
|
while (opt_offset < par_len) {
|
|
proto_tree_add_item(cga_tree, hf_icmpv6_opt_cga_ext_type, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
ext_data_len = tvb_get_ntohs(tvb, opt_offset);
|
|
proto_tree_add_item(cga_tree, hf_icmpv6_opt_cga_ext_length, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
proto_tree_add_item(cga_tree, hf_icmpv6_opt_cga_ext_data, tvb, opt_offset, ext_data_len, ENC_NA);
|
|
opt_offset += ext_data_len;
|
|
}
|
|
|
|
/* Padding */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += padd_length;
|
|
break;
|
|
}
|
|
case ND_OPT_RSA: /* RSA Signature Option (12) */
|
|
{
|
|
int par_len;
|
|
/*5.2. RSA Signature Option */
|
|
/* Reserved, A 16-bit field reserved for future use. */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset = opt_offset + 2;
|
|
|
|
/* Key Hash
|
|
* A 128-bit field containing the most significant (leftmost) 128
|
|
* bits of a SHA-1 [14] hash of the public key used for constructing
|
|
* the signature.
|
|
*/
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_rsa_key_hash, tvb, opt_offset, 16, ENC_NA);
|
|
opt_offset = opt_offset + 16;
|
|
|
|
/* Digital Signature */
|
|
par_len = opt_len - 20;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_digital_signature_padding , tvb, opt_offset, par_len, ENC_NA);
|
|
opt_offset += par_len;
|
|
|
|
/* Padding */
|
|
/* TODO: Calculate padding length and exclude from the signature */
|
|
break;
|
|
}
|
|
case ND_OPT_TIMESTAMP: /* Timestamp Option (13) */
|
|
/* Reserved A 48-bit field reserved for future use. */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 6, ENC_NA);
|
|
opt_offset += 6;
|
|
|
|
/* Timestamp
|
|
* A 64-bit unsigned integer field containing a timestamp. The value
|
|
* indicates the number of seconds since January 1, 1970, 00:00 UTC,
|
|
* by using a fixed point format. In this format, the integer number
|
|
* of seconds is contained in the first 48 bits of the field, and the
|
|
* remaining 16 bits indicate the number of 1/64K fractions of a
|
|
* second.
|
|
*/
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_timestamp, tvb, opt_offset + 2, 4, ENC_TIME_TIMESPEC|ENC_BIG_ENDIAN);
|
|
opt_offset += 8;
|
|
break;
|
|
case ND_OPT_NONCE: /* Nonce option (14) */
|
|
|
|
/* 5.3.2. Nonce Option */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_nonce, tvb, opt_offset, opt_len - 2, ENC_NA);
|
|
opt_offset += opt_len -2;
|
|
break;
|
|
case ND_OPT_TRUST_ANCHOR: /* Trust Anchor Option (15) */
|
|
{
|
|
proto_tree *name_tree;
|
|
proto_item *name_item;
|
|
guint8 name_type;
|
|
guint8 padd_length;
|
|
int par_len;
|
|
asn1_ctx_t asn1_ctx;
|
|
|
|
/* Name Type */
|
|
name_type = tvb_get_guint8(tvb, opt_offset);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_name_type, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Pad Length */
|
|
padd_length = tvb_get_guint8(tvb, opt_offset);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_cga_pad_len, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
par_len = opt_len - 4 - padd_length;
|
|
|
|
switch (name_type){
|
|
case 1:
|
|
/* DER Encoded X.501 Name */
|
|
name_item = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_name_x501, tvb, opt_offset, par_len, ENC_NA);
|
|
name_tree = proto_item_add_subtree(name_item, ett_icmpv6_opt_name);
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
dissect_x509if_Name(FALSE, tvb, opt_offset, &asn1_ctx, name_tree, hf_icmpv6_x509if_Name);
|
|
break;
|
|
case 2:
|
|
/* FQDN */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_name_fqdn, tvb, opt_offset, par_len, ENC_ASCII|ENC_NA);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += par_len;
|
|
|
|
/* Padding */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += padd_length;
|
|
|
|
break;
|
|
}
|
|
case ND_OPT_CERTIFICATE: /* Certificate Option (16) */
|
|
{
|
|
guint8 cert_type;
|
|
guint8 padd_length;
|
|
asn1_ctx_t asn1_ctx;
|
|
|
|
/* Cert Type */
|
|
cert_type = tvb_get_guint8(tvb, opt_offset);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_cert_type, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 1, ENC_NA);
|
|
opt_offset += 1;
|
|
|
|
/* Certificate */
|
|
|
|
if(cert_type == 1){
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
opt_offset = dissect_x509af_Certificate(FALSE, tvb, opt_offset, &asn1_ctx, icmp6opt_tree, hf_icmpv6_x509af_Certificate);
|
|
padd_length = opt_len - (opt_offset - offset);
|
|
/* Padding */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += padd_length;
|
|
}else{
|
|
padd_length = opt_len - 4;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_certificate_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += padd_length;
|
|
}
|
|
break;
|
|
|
|
}
|
|
case ND_OPT_IP_ADDRESS_PREFIX: /* IP Address/Prefix Option (17) */
|
|
{
|
|
guint8 prefix_len;
|
|
|
|
/* Option-code */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_ipa_option_code, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Prefix Len */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_ipa_prefix_len, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
prefix_len = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 4, ENC_NA);
|
|
opt_offset += 4;
|
|
|
|
/* IPv6 Address */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_ipa_ipv6_address, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s/%d", tvb_ip6_to_str(tvb, opt_offset), prefix_len);
|
|
opt_offset += 16;
|
|
|
|
break;
|
|
}
|
|
case ND_OPT_NEW_ROUTER_PREFIX_INFO: /* New Router Prefix Information Option (18) OBSO... */
|
|
{
|
|
|
|
guint8 prefix_len;
|
|
|
|
/* Option-code */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_nrpi_option_code, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Prefix Len */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_nrpi_prefix_len, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
prefix_len = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 4, ENC_NA);
|
|
opt_offset += 4;
|
|
|
|
/* Prefix */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_nrpi_prefix, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s/%d", tvb_ip6_to_str(tvb, opt_offset), prefix_len);
|
|
opt_offset += 16;
|
|
|
|
break;
|
|
}
|
|
case ND_OPT_LINK_LAYER_ADDRESS: /* Link-layer Address Option (19) */
|
|
{
|
|
/* Option-Code */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_lla_option_code, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Link Layer Address */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_lla_bytes, tvb, opt_offset, opt_len-3, ENC_NA);
|
|
opt_offset += opt_len - 3;
|
|
break;
|
|
}
|
|
|
|
case ND_OPT_NEIGHBOR_ADV_ACK: /* Neighbor Advertisement Acknowledgment Option (20) */
|
|
{
|
|
guint8 status;
|
|
|
|
/* Option-Code */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_naack_option_code, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Status */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_naack_status, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
status = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
if(status == 2){
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_naack_supplied_ncoa, tvb, opt_offset, 16, ENC_NA);
|
|
opt_offset += 16;
|
|
}else{
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, opt_len - 4, ENC_NA);
|
|
opt_offset += opt_len - 4;
|
|
}
|
|
break;
|
|
}
|
|
case ND_OPT_MAP: /* MAP Option (23) */
|
|
{
|
|
|
|
/* Dist */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_map_dist, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Pref */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_map_pref, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_map_flag, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_flag_map);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_map_flag_r, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_map_flag_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Valid Lifetime */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_map_valid_lifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
opt_offset += 4;
|
|
|
|
/* Global Address */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_map_global_address, tvb, opt_offset, 16, ENC_NA);
|
|
opt_offset += 16;
|
|
break;
|
|
}
|
|
case ND_OPT_ROUTE_INFO: /* Route Information Option (24) */
|
|
{
|
|
/* RFC 4191 */
|
|
guint8 prefix_len;
|
|
guint8 route_preference;
|
|
struct e_in6_addr prefix;
|
|
address prefix_addr;
|
|
|
|
/* Prefix Len */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_prefix_len, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
prefix_len = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_route_info_flag, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_flag_route_info);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_route_info_flag_route_preference, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_route_info_flag_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
route_preference = tvb_get_guint8(tvb, opt_offset);
|
|
route_preference = (route_preference & ND_RA_FLAG_RTPREF_MASK) >> 3;
|
|
proto_item_append_text(ti, " : %s", val_to_str(route_preference, nd_flag_router_pref, "Unknown %d") );
|
|
opt_offset += 1;
|
|
|
|
/* Route Lifetime */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_route_lifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
|
|
/* Prefix */
|
|
switch(opt_len){
|
|
case 8: /* Default Option Length without prefix */
|
|
proto_item_append_text(ti, " ::/%d", prefix_len);
|
|
break;
|
|
case 16:
|
|
memset(&prefix, 0, sizeof(prefix));
|
|
tvb_memcpy(tvb, (guint8 *)&prefix.bytes, opt_offset, 8);
|
|
proto_tree_add_ipv6(icmp6opt_tree, hf_icmpv6_opt_prefix, tvb, opt_offset, 8, &prefix);
|
|
set_address(&prefix_addr, AT_IPv6, 16, prefix.bytes);
|
|
proto_item_append_text(ti, " %s/%d", address_to_str(wmem_packet_scope(), &prefix_addr), prefix_len);
|
|
opt_offset += 8;
|
|
break;
|
|
case 24:
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_prefix, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s/%d", tvb_ip6_to_str(tvb, opt_offset), prefix_len);
|
|
opt_offset += 16;
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, ti_opt_len, &ei_icmpv6_invalid_option_length);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
}
|
|
|
|
case ND_OPT_RECURSIVE_DNS_SERVER: /* Recursive DNS Server Option (25) */
|
|
{
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset += 2;
|
|
|
|
/* RDNSS Lifetime */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_rdnss_lifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
/* A value of all one bits (0xffffffff) represents infinity. A value of
|
|
* zero means that the RDNSS address MUST no longer be used.
|
|
*/
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0:
|
|
proto_item_append_text(ti_opt, " (RDNSS address MUST no longer be used)");
|
|
break;
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
|
|
while(opt_offset < (offset + opt_len) ) {
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_rdnss, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s", tvb_ip6_to_str(tvb, opt_offset));
|
|
opt_offset += 16;
|
|
|
|
}
|
|
break;
|
|
}
|
|
case ND_OPT_FLAGS_EXTENSION: /* RA Flags Extension Option (26) */
|
|
{
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_efo, tvb, opt_offset, 6, ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_flag_efo);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_efo_m, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_efo_o, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_efo_h, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_efo_prf, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_efo_p, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_efo_rsv, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 4, ENC_NA);
|
|
opt_offset += 4;
|
|
break;
|
|
}
|
|
case ND_OPT_HANDOVER_KEY_REQUEST: /* Handover Key Request Option (27) */
|
|
{
|
|
int par_len;
|
|
guint padd_length;
|
|
|
|
/* Pad Length */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_pad_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
padd_length = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* AT */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_at, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Handover Key Encryption Public Key */
|
|
par_len = opt_len-4-padd_length;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_encryption_public_key, tvb, opt_offset, par_len, ENC_NA);
|
|
opt_offset += par_len;
|
|
|
|
/* Padding */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += 1;
|
|
break;
|
|
}
|
|
case ND_OPT_HANDOVER_KEY_REPLY: /* Handover Key Reply Option (28) */
|
|
{
|
|
int par_len;
|
|
guint padd_length;
|
|
|
|
/* Pad Length */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_pad_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
padd_length = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* AT */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_at, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Lifetime */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_lifetime, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
/* Encrypted Handover Key */
|
|
par_len = opt_len-6-padd_length;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_encrypted_handover_key, tvb, opt_offset, par_len, ENC_NA);
|
|
opt_offset += par_len;
|
|
|
|
/* Padding */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hkr_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += 1;
|
|
break;
|
|
}
|
|
case ND_OPT_HANDOVER_ASSIST_INFO: /* Handover Assist Information Option (29) */
|
|
{
|
|
guint8 hai_len;
|
|
int padd_length;
|
|
/* Option-Code */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hai_option_code, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* HAI Length */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hai_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
hai_len = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* HAI Value */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_hai_value, tvb, opt_offset, hai_len, ENC_NA);
|
|
opt_offset += hai_len;
|
|
|
|
/* Padding... */
|
|
padd_length = opt_len - opt_offset;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += padd_length;
|
|
|
|
break;
|
|
}
|
|
case ND_OPT_MOBILE_NODE_ID: /* Mobile Node Identifier Option (30) */
|
|
{
|
|
guint8 mn_len;
|
|
int padd_length;
|
|
/* Option-Code */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_mn_option_code, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* MN Length */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_mn_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
mn_len = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* MN Value */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_mn_value, tvb, opt_offset, mn_len, ENC_NA);
|
|
opt_offset += mn_len;
|
|
|
|
/* Padding... */
|
|
padd_length = opt_len - opt_offset;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += padd_length;
|
|
|
|
break;
|
|
}
|
|
case ND_OPT_DNS_SEARCH_LIST: /* DNS Search List Option (31) */
|
|
{
|
|
int dnssl_len;
|
|
const guchar *dnssl_name;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset += 2;
|
|
|
|
/* DNSSL Lifetime */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_dnssl_lifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0:
|
|
proto_item_append_text(ti_opt, " (DNSSL domain name MUST no longer be used)");
|
|
break;
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
while(opt_offset < (offset + opt_len) ) {
|
|
|
|
if(tvb_get_guint8(tvb, opt_offset) == 0){
|
|
/* Padding... */
|
|
int padd_length = (offset + opt_len) - opt_offset;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_padding, tvb, opt_offset, padd_length, ENC_NA);
|
|
opt_offset += padd_length;
|
|
break;
|
|
}
|
|
dnssl_len = get_dns_name(tvb, opt_offset, 0, opt_offset, &dnssl_name);
|
|
proto_tree_add_string(icmp6opt_tree, hf_icmpv6_opt_dnssl, tvb, opt_offset, dnssl_len, dnssl_name);
|
|
proto_item_append_text(ti, " %s", dnssl_name);
|
|
opt_offset += dnssl_len;
|
|
|
|
}
|
|
break;
|
|
}
|
|
case ND_OPT_PROXY_SIGNATURE: /* Proxy Signature Option (32) */
|
|
{
|
|
int par_len;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset += 2;
|
|
|
|
/* Key Hash
|
|
* A 128-bit field containing the most significant (leftmost) 128
|
|
* bits of a SHA-1 [14] hash of the public key used for constructing
|
|
* the signature.
|
|
*/
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_ps_key_hash, tvb, opt_offset, 16, ENC_NA);
|
|
opt_offset += 16;
|
|
|
|
/* Digital Signature */
|
|
par_len = opt_len - 20;
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_digital_signature_padding , tvb, opt_offset, par_len, ENC_NA);
|
|
opt_offset += par_len;
|
|
/* Padding */
|
|
/* TODO: Calculate padding length and exclude from the signature */
|
|
break;
|
|
}
|
|
case ND_OPT_ADDR_REGISTRATION: /* Address Registration (TBD1 Pending IANA...) */
|
|
{
|
|
/* 6lowpan-ND */
|
|
guint8 status;
|
|
|
|
/* Status */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_aro_status, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
status = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 3, ENC_NA);
|
|
opt_offset += 3;
|
|
|
|
/* Lifetime */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_aro_registration_lifetime, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
/* EUI-64 */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_aro_eui64, tvb, opt_offset, 8, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(ti, " : Register %s %s", tvb_eui64_to_str(tvb, opt_offset), val_to_str(status, nd_opt_6lowpannd_status_val, "Unknown %d"));
|
|
opt_offset += 8;
|
|
|
|
}
|
|
break;
|
|
case ND_OPT_6LOWPAN_CONTEXT: /* 6LoWPAN Context (TBD2 Pending IANA...) */
|
|
{
|
|
ieee802154_hints_t *hints;
|
|
/* 6lowpan-ND */
|
|
guint8 context_id;
|
|
guint8 context_len;
|
|
struct e_in6_addr context_prefix;
|
|
address context_prefix_addr;
|
|
|
|
/* Context Length */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_6co_context_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
context_len = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* Flags & CID */
|
|
context_id = tvb_get_guint8(tvb, opt_offset) & ND_OPT_6CO_FLAG_CID;
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_6co_flag, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_flag_6lowpan);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_6co_flag_c, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_6co_flag_cid, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_opt_6co_flag_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_reserved, tvb, opt_offset, 2, ENC_NA);
|
|
opt_offset += 2;
|
|
|
|
/* Lifetime */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_6co_valid_lifetime, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
/* Context */
|
|
memset(&context_prefix.bytes, 0, sizeof(context_prefix));
|
|
switch(opt_len){
|
|
case 8: /* Default Option Length without context prefix */
|
|
proto_item_append_text(ti, " ::/%d", context_len);
|
|
break;
|
|
case 16:
|
|
tvb_memcpy(tvb, (guint8 *)&context_prefix.bytes, opt_offset, 8);
|
|
proto_tree_add_ipv6(icmp6opt_tree, hf_icmpv6_opt_6co_context_prefix, tvb, opt_offset, 8, &context_prefix);
|
|
set_address(&context_prefix_addr, AT_IPv6, 16, context_prefix.bytes);
|
|
proto_item_append_text(ti, " %s/%d", address_to_str(wmem_packet_scope(), &context_prefix_addr), context_len);
|
|
opt_offset += 8;
|
|
break;
|
|
case 24:
|
|
tvb_memcpy(tvb, (guint8 *)&context_prefix.bytes, opt_offset, 16);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_6co_context_prefix, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s/%d", tvb_ip6_to_str(tvb, opt_offset), context_len);
|
|
opt_offset += 16;
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, ti_opt_len, &ei_icmpv6_invalid_option_length);
|
|
break;
|
|
}
|
|
/* Update the 6LoWPAN dissectors with new context information. */
|
|
hints = (ieee802154_hints_t *)p_get_proto_data(wmem_file_scope(), pinfo,
|
|
proto_get_id_by_filter_name(IEEE802154_PROTOABBREV_WPAN), 0);
|
|
if ((opt_len <= 24) && hints) {
|
|
lowpan_context_insert(context_id, hints->src_pan, context_len, &context_prefix, pinfo->num);
|
|
}
|
|
}
|
|
break;
|
|
case ND_OPT_AUTH_BORDER_ROUTER: /* Authoritative Border Router (33) */
|
|
{
|
|
guint16 version_low, version_high, valid_lifetime;
|
|
|
|
/* Version low*/
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_abro_version_low, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
version_low = tvb_get_ntohs(tvb, opt_offset);
|
|
opt_offset += 2;
|
|
|
|
/* Version high */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_abro_version_high, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
version_high = tvb_get_ntohs(tvb, opt_offset);
|
|
opt_offset += 2;
|
|
|
|
/* Valid lifetime */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_abro_valid_lifetime, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
valid_lifetime = tvb_get_ntohs(tvb, opt_offset);
|
|
opt_offset += 2;
|
|
|
|
/* 6LBR Address */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_abro_6lbr_address, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " : Version %d.%d, Valid Lifetime : %d, 6LBR : %s", version_high, version_low, valid_lifetime, tvb_ip6_to_str(tvb, opt_offset));
|
|
opt_offset += 16;
|
|
|
|
}
|
|
break;
|
|
case ND_OPT_6CIO: /* 6LoWPAN Capability Indication Option (35) */
|
|
{
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_6cio_unassigned1, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_6cio_flag_g, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_opt_6cio_unassigned2, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
opt_offset += 4;
|
|
|
|
|
|
}
|
|
break;
|
|
default :
|
|
expert_add_info_format(pinfo, ti, &ei_icmpv6_undecoded_option,
|
|
"Dissector for ICMPv6 Option (%d)"
|
|
" code not implemented, Contact Wireshark developers"
|
|
" if you want this supported", opt_type);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_data, tvb, opt_offset, opt_len, ENC_NA);
|
|
opt_offset += opt_len;
|
|
break;
|
|
|
|
} /* switch (opt_type) */
|
|
|
|
offset += opt_len;
|
|
|
|
if(offset > opt_offset){
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_unknown_data, tvb, opt_offset, offset - opt_offset, ENC_NA);
|
|
expert_add_info(pinfo, ti_opt, &ei_icmpv6_unknown_data);
|
|
}
|
|
/* Close the ) to option root label */
|
|
proto_item_append_text(ti, ")");
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* RPL: RFC 6550/6997 : Routing and Discovery of P2P Routes in Low-Power and Lossy Networks. */
|
|
static int
|
|
dissect_icmpv6_rpl_opt(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 icmp6_code)
|
|
{
|
|
proto_tree *icmp6opt_tree, *flag_tree;
|
|
proto_item *ti, *ti_opt, *ti_opt_len, *ti_opt_reply, *ti_opt_hop_by_hop, *ti_opt_num_of_routes,
|
|
*ti_opt_lifetime, *ti_opt_mr_nh = NULL;
|
|
guint8 opt_type;
|
|
int opt_len;
|
|
int opt_offset;
|
|
|
|
while ((int)tvb_reported_length(tvb) > offset) {
|
|
/* there are more options */
|
|
|
|
/* ICMPv6 RPL Option */
|
|
ti = proto_tree_add_item(tree, hf_icmpv6_rpl_opt, tvb, offset, 1, ENC_NA);
|
|
icmp6opt_tree = proto_item_add_subtree(ti, ett_icmpv6_rpl_opt);
|
|
opt_offset = offset;
|
|
|
|
/* Option type */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_type, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_type = tvb_get_guint8(tvb, opt_offset);
|
|
opt_offset += 1;
|
|
|
|
/* Add option name to option root label */
|
|
proto_item_append_text(ti, " (%s", val_to_str(opt_type, rpl_option_vals, "Unknown %d"));
|
|
|
|
/* The Pad1 option is a special case, and contains no data. */
|
|
if (opt_type == RPL_OPT_PAD1) {
|
|
offset += 1;
|
|
proto_item_append_text(ti, ")");
|
|
continue;
|
|
}
|
|
|
|
/* Option length */
|
|
ti_opt_len = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_len = tvb_get_guint8(tvb, opt_offset);
|
|
proto_item_set_len(ti, opt_len + 2);
|
|
opt_offset += 1;
|
|
|
|
/* decode... */
|
|
switch (opt_type) {
|
|
case RPL_OPT_PADN:
|
|
/* n-byte padding */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_padn, tvb, opt_offset, opt_len, ENC_NA);
|
|
proto_item_append_text(ti_opt, " (Length : %i bytes)", opt_len);
|
|
opt_offset += opt_len;
|
|
break;
|
|
|
|
case RPL_OPT_METRIC:
|
|
/* DAG metric container */
|
|
/* See draft-ietf-roll-routing-metrics for formatting. */
|
|
break;
|
|
case RPL_OPT_ROUTING: {
|
|
guint8 prefix_len;
|
|
struct e_in6_addr prefix;
|
|
address prefix_addr;
|
|
|
|
/* Prefix length */
|
|
prefix_len = tvb_get_guint8(tvb, opt_offset);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_prefix_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset +=1;
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_flag, tvb, opt_offset, 1, ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_rpl_flag_routing);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_route_pref, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_route_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset +=1;
|
|
|
|
/* Prefix lifetime. */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_lifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
|
|
switch(opt_len){
|
|
case 6: /* Default Option Length without prefix */
|
|
proto_item_append_text(ti, " ::/%d", prefix_len);
|
|
break;
|
|
case 14:
|
|
memset(&prefix, 0, sizeof(prefix));
|
|
tvb_memcpy(tvb, (guint8 *)&prefix.bytes, opt_offset, 8);
|
|
proto_tree_add_ipv6(icmp6opt_tree, hf_icmpv6_rpl_opt_route_prefix, tvb, opt_offset, 8, &prefix);
|
|
set_address(&prefix_addr, AT_IPv6, 16, prefix.bytes);
|
|
proto_item_append_text(ti, " %s/%d", address_to_str(wmem_packet_scope(), &prefix_addr), prefix_len);
|
|
opt_offset += 8;
|
|
break;
|
|
case 22:
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_prefix, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s/%d", tvb_ip6_to_str(tvb, opt_offset), prefix_len);
|
|
opt_offset += 16;
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, ti_opt_len, &ei_icmpv6_invalid_option_length);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case RPL_OPT_CONFIG: {
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_flag, tvb, opt_offset, 1, ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_rpl_flag_config);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_config_reserved, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_config_auth, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_config_pcs, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* DIOIntervalDoublings */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_doublings, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* DIOIntervalMin */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_min_interval, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* DIORedundancyConstant */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_redundancy, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* MaxRankIncrease */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_rank_incr, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
/* MinHopRankInc */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_hop_rank_inc, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
/* OCP */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_ocp, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_rsv, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Default Lifetime */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_def_lifetime, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Lifetime Unit */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_config_lifetime_unit, tvb, opt_offset, 2, ENC_BIG_ENDIAN);
|
|
opt_offset += 2;
|
|
break;
|
|
}
|
|
case RPL_OPT_TARGET: {
|
|
guint8 prefix_len;
|
|
struct e_in6_addr target_prefix;
|
|
address target_prefix_addr;
|
|
|
|
/* Flag */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_target_flag, tvb, opt_offset, 1, ENC_NA);
|
|
opt_offset += 1;
|
|
|
|
/* Prefix length */
|
|
prefix_len = tvb_get_guint8(tvb, opt_offset);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_target_prefix_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Target Prefix */
|
|
|
|
switch(opt_len){
|
|
case 2: /* Default Option Length without prefix */
|
|
proto_item_append_text(ti, " ::/%d", prefix_len);
|
|
break;
|
|
case 10:
|
|
memset(&target_prefix, 0, sizeof(target_prefix));
|
|
tvb_memcpy(tvb, (guint8 *)&target_prefix.bytes, opt_offset, 8);
|
|
proto_tree_add_ipv6(icmp6opt_tree, hf_icmpv6_rpl_opt_target_prefix, tvb, opt_offset, 8, &target_prefix);
|
|
set_address(&target_prefix_addr, AT_IPv6, 16, target_prefix.bytes);
|
|
proto_item_append_text(ti, " %s/%d", address_to_str(wmem_packet_scope(), &target_prefix_addr), prefix_len);
|
|
opt_offset += 8;
|
|
break;
|
|
case 18:
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_target_prefix, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s/%d", tvb_ip6_to_str(tvb, opt_offset), prefix_len);
|
|
opt_offset += 16;
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, ti_opt_len, &ei_icmpv6_invalid_option_length);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case RPL_OPT_TRANSIT: {
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_transit_flag, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_rpl_flag_transit);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_transit_flag_e, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_transit_flag_rsv, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Path Control */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_transit_pathctl, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Path Sequence */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_transit_pathseq, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Path Lifetime */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_transit_pathlifetime, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Option contains parent */
|
|
if(opt_len > 4)
|
|
{
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_transit_parent, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s", tvb_ip6_to_str(tvb, opt_offset));
|
|
opt_offset += 16;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case RPL_OPT_SOLICITED: {
|
|
|
|
/*Instance ID */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_solicited_instance, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_solicited_flag, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_rpl_flag_solicited);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_solicited_flag_v, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_solicited_flag_i, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_solicited_flag_d, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_solicited_flag_rsv, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* DODAG ID */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_solicited_dodagid, tvb, opt_offset, 16, ENC_NA);
|
|
opt_offset += 16;
|
|
|
|
/* Version Number */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_solicited_version, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
break;
|
|
}
|
|
case RPL_OPT_PREFIX: {
|
|
/* Destination prefix option. */
|
|
guint8 prefix_len;
|
|
|
|
/* Prefix length */
|
|
prefix_len = tvb_get_guint8(tvb, opt_offset);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_prefix_length, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset +=1;
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_prefix_flag, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_rpl_flag_prefix);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_prefix_flag_l, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_prefix_flag_a, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_prefix_flag_r, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_prefix_flag_rsv, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset += 1;
|
|
|
|
/* Valid lifetime. */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_prefix_vlifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
|
|
/* Preferred Lifetime */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_prefix_plifetime, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
switch(tvb_get_ntohl(tvb, opt_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti_opt, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
opt_offset += 4;
|
|
|
|
/* 4 reserved bytes. */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_reserved, tvb, opt_offset, 4, ENC_NA);
|
|
opt_offset += 4;
|
|
|
|
/* Prefix */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_prefix, tvb, opt_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti, " %s/%d", tvb_ip6_to_str(tvb, opt_offset), prefix_len);
|
|
opt_offset += 16;
|
|
|
|
break;
|
|
}
|
|
|
|
case RPL_OPT_TARGETDESC: {
|
|
|
|
/* Descriptor */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_targetdesc, tvb, opt_offset, 4, ENC_BIG_ENDIAN);
|
|
opt_offset += 4;
|
|
break;
|
|
}
|
|
|
|
case RPL_OPT_ROUTE_DISCOVERY: {
|
|
int num_of_addr = 0;
|
|
guint8 flags = 0, compr = 0, addr_len = 0, lt_mr_nh = 0;
|
|
guint8 addr[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
|
/* Flags */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_discovery_flag, tvb, opt_offset, 1, ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_rpl_route_discovery_flag);
|
|
|
|
flags = tvb_get_guint8(tvb, opt_offset);
|
|
compr = flags & RPL_OPT_ROUTE_DISCOVERY_COMPR;
|
|
|
|
/* Reply */
|
|
ti_opt_reply = proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_route_discovery_reply, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Hop-by-Hop */
|
|
ti_opt_hop_by_hop = proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_route_discovery_hop_by_hop, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Num of Source Routes */
|
|
ti_opt_num_of_routes = proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_route_discovery_num_of_routes, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Compr */
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_opt_route_discovery_compr, tvb, opt_offset, 1, ENC_BIG_ENDIAN);
|
|
opt_offset +=1;
|
|
|
|
/* Lifetime / MaxRank / NH */
|
|
lt_mr_nh = tvb_get_guint8(tvb, opt_offset);
|
|
ti_opt_lifetime = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_discovery_lifetime, tvb, opt_offset, 1, ENC_NA);
|
|
|
|
if ((icmp6_code == ICMP6_RPL_P2P_DRO) || (icmp6_code == ICMP6_RPL_P2P_SDRO)) {
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_discovery_nh, tvb, opt_offset, 1, ENC_NA);
|
|
} else {
|
|
ti_opt_mr_nh = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_discovery_maxrank, tvb, opt_offset, 1, ENC_NA);
|
|
}
|
|
|
|
opt_offset +=1;
|
|
|
|
/* add expert and auxiliary info */
|
|
switch (icmp6_code) {
|
|
case ICMP6_RPL_P2P_SDRO:
|
|
case ICMP6_RPL_P2P_DRO:
|
|
|
|
if (flags & RPL_OPT_ROUTE_DISCOVERY_R) {
|
|
expert_add_info(pinfo, ti_opt_reply, &ei_icmpv6_rpl_p2p_dro_rdo_zero);
|
|
}
|
|
|
|
if (flags & RPL_OPT_ROUTE_DISCOVERY_N) {
|
|
expert_add_info(pinfo, ti_opt_num_of_routes, &ei_icmpv6_rpl_p2p_dro_rdo_zero);
|
|
}
|
|
|
|
if (lt_mr_nh & RPL_OPT_ROUTE_DISCOVERY_L) {
|
|
expert_add_info(pinfo, ti_opt_lifetime, &ei_icmpv6_rpl_p2p_dro_rdo_zero);
|
|
}
|
|
|
|
break;
|
|
default:
|
|
|
|
if (flags & RPL_OPT_ROUTE_DISCOVERY_H) {
|
|
if (!(flags & RPL_OPT_ROUTE_DISCOVERY_R)) {
|
|
expert_add_info(pinfo, ti_opt_hop_by_hop, &ei_icmpv6_rpl_p2p_hop_by_hop);
|
|
}
|
|
|
|
if (flags & RPL_OPT_ROUTE_DISCOVERY_N) {
|
|
expert_add_info(pinfo, ti_opt_num_of_routes, &ei_icmpv6_rpl_p2p_num_of_routes);
|
|
}
|
|
}
|
|
|
|
proto_item_append_text(ti_opt_lifetime, " (%d sec)", (int) pow(4.0, (lt_mr_nh & RPL_OPT_ROUTE_DISCOVERY_L) >> 6));
|
|
|
|
if (!(lt_mr_nh & RPL_OPT_ROUTE_DISCOVERY_MR_NH)) {
|
|
proto_item_append_text(ti_opt_mr_nh, " (Infinity)");
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
/* TargetAddr */
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_discovery_target_addr, tvb, opt_offset, 16, ENC_NA);
|
|
opt_offset +=16;
|
|
|
|
addr_len = (16 - compr);
|
|
num_of_addr = (opt_len - 18) / addr_len;
|
|
|
|
/* Address Vector */
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_rpl_opt_route_discovery_addr_vec, tvb, opt_offset, (opt_len - 18), ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti_opt, ett_icmpv6_rpl_route_discovery_addr_vec);
|
|
|
|
proto_item_append_text(flag_tree, " (%d Address%s)", num_of_addr, num_of_addr != 1 ? "es" : "");
|
|
|
|
while (num_of_addr--) {
|
|
memset(addr, 0, sizeof(addr));
|
|
tvb_memcpy(tvb, addr + compr, opt_offset, addr_len);
|
|
proto_tree_add_ipv6(flag_tree, hf_icmpv6_rpl_opt_route_discovery_addr_vec_addr, tvb, opt_offset, addr_len, (struct e_in6_addr *)addr);
|
|
opt_offset += addr_len;
|
|
}
|
|
|
|
break;
|
|
}
|
|
default :
|
|
expert_add_info_format(pinfo, ti, &ei_icmpv6_undecoded_rpl_option,
|
|
"Dissector for ICMPv6 RPL Option"
|
|
" (%d) code not implemented, Contact"
|
|
" Wireshark developers if you want this supported", opt_type);
|
|
proto_tree_add_item(icmp6opt_tree, hf_icmpv6_data, tvb, opt_offset, opt_len, ENC_NA);
|
|
opt_offset += opt_len;
|
|
break;
|
|
} /* switch (opt_type) */
|
|
|
|
offset += opt_len + 2;
|
|
|
|
if(offset > opt_offset){
|
|
ti_opt = proto_tree_add_item(icmp6opt_tree, hf_icmpv6_unknown_data, tvb, opt_offset, offset - opt_offset, ENC_NA);
|
|
expert_add_info(pinfo, ti_opt, &ei_icmpv6_unknown_data);
|
|
}
|
|
|
|
/* Close the ) to option root label */
|
|
proto_item_append_text(ti, ")");
|
|
} /* while */
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_rpl_control(tvbuff_t *tvb, int rpl_offset, packet_info *pinfo _U_, proto_tree *icmp6_tree, guint8 icmp6_type _U_, guint8 icmp6_code)
|
|
{
|
|
proto_tree *flag_tree;
|
|
proto_item *ti;
|
|
|
|
/* Secure RPL ? (ICMP Code start to 0x8x) */
|
|
if(icmp6_code & ICMP6_RPL_SECURE)
|
|
{
|
|
guint8 kim, lvl;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_secure);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_secure_flag_t, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_secure_flag_rsv, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Algorithm */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_algorithm, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_secure);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_secure_algorithm_encryption, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_secure_algorithm_signature, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* KIM & LVL */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_secure);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_secure_kim, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_secure_lvl, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_secure_rsv, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
kim = tvb_get_guint8(tvb, rpl_offset) & RPL_SECURE_KIM >> 6;
|
|
lvl = tvb_get_guint8(tvb, rpl_offset) & RPL_SECURE_LVL;
|
|
rpl_offset += 1;
|
|
|
|
/* Flags */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Counter */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_counter, tvb, rpl_offset, 4, ENC_BIG_ENDIAN);
|
|
rpl_offset += 4;
|
|
|
|
/* Key Identifier */
|
|
switch(kim){
|
|
case 0:
|
|
{
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_key_index, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
break;
|
|
}
|
|
case 1:
|
|
{
|
|
/* No Key Identifier */
|
|
break;
|
|
}
|
|
case 2:
|
|
{
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_key_source, tvb, rpl_offset, 8, ENC_NA);
|
|
rpl_offset += 8;
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_key_index, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
break;
|
|
}
|
|
case 3:
|
|
{
|
|
if(lvl == 1 || lvl == 3)
|
|
{
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_key_source, tvb, rpl_offset, 8, ENC_NA);
|
|
rpl_offset += 8;
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_secure_key_index, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
switch(icmp6_code){
|
|
case ICMP6_RPL_DIS: /* DODAG Information Solicitation (0) */
|
|
case ICMP6_RPL_SDIS: /* Secure DODAG Information Solicitation (128) */
|
|
{
|
|
/* Flags */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dis_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, rpl_offset, 1, ENC_NA);
|
|
rpl_offset += 1;
|
|
|
|
/* RPL Options */
|
|
rpl_offset = dissect_icmpv6_rpl_opt(tvb, rpl_offset, pinfo, icmp6_tree, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_RPL_DIO: /* DODAG Information Object (1) */
|
|
case ICMP6_RPL_SDIO: /* Secure DODAG Information Object (129) */
|
|
{
|
|
/* RPLInstanceID */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dio_instance, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Version Number */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dio_version, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Rank */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dio_rank, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
rpl_offset += 2;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dio_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_rpl_dio);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_dio_flag_g, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_dio_flag_0, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_dio_flag_mop, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_dio_flag_prf, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Destination Advertisement Trigger Sequence Number (DTSN) */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dio_dtsn, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Flags */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dio_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, rpl_offset, 1, ENC_NA);
|
|
rpl_offset += 1;
|
|
|
|
/* DODAGID */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dio_dagid, tvb, rpl_offset, 16, ENC_NA);
|
|
rpl_offset += 16;
|
|
|
|
/* RPL Options */
|
|
rpl_offset = dissect_icmpv6_rpl_opt(tvb, rpl_offset, pinfo, icmp6_tree, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_RPL_DAO: /* Destination Advertisement Object (2) */
|
|
case ICMP6_RPL_SDAO: /* Secure Destination Advertisement Object (130) */
|
|
{
|
|
guint8 flags;
|
|
|
|
/* DAO Instance */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dao_instance, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dao_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_rpl_dao);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_dao_flag_k, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_dao_flag_d, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_dao_flag_rsv, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flags = tvb_get_guint8(tvb, rpl_offset);
|
|
rpl_offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, rpl_offset, 1, ENC_NA);
|
|
rpl_offset += 1;
|
|
|
|
/* Sequence */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dao_sequence, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* DODAGID */
|
|
if(flags & RPL_DAO_FLAG_D)
|
|
{
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_dao_dodagid, tvb, rpl_offset, 16, ENC_NA);
|
|
rpl_offset += 16;
|
|
}
|
|
/* Options */
|
|
rpl_offset = dissect_icmpv6_rpl_opt(tvb, rpl_offset, pinfo, icmp6_tree, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_RPL_DAOACK: /* Destination Advertisement Object Acknowledgment (3) */
|
|
case ICMP6_RPL_SDAOACK: /* Secure Destination Advertisement Object Acknowledgment (131) */
|
|
{
|
|
guint8 flags;
|
|
|
|
/* DAO Instance */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_daoack_instance, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_daoack_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_rpl_daoack);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_daoack_flag_d, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_daoack_flag_rsv, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flags = tvb_get_guint8(tvb, rpl_offset);
|
|
rpl_offset += 1;
|
|
|
|
/* DAO Sequence */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_daoack_sequence, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Status */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_daoack_status, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* DODAGID */
|
|
if(flags & RPL_DAOACK_FLAG_D)
|
|
{
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_daoack_dodagid, tvb, rpl_offset, 16, ENC_NA);
|
|
rpl_offset += 16;
|
|
}
|
|
|
|
/* Options */
|
|
rpl_offset = dissect_icmpv6_rpl_opt(tvb, rpl_offset, pinfo, icmp6_tree, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_RPL_CC:
|
|
{
|
|
/* CC Instance */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_cc_instance, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_cc_flag, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_rpl_cc);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_cc_flag_r, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_cc_flag_rsv, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* CC Nonce */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_cc_nonce, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
rpl_offset += 2;
|
|
|
|
/* DODAGID */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_cc_dodagid, tvb, rpl_offset, 16, ENC_NA);
|
|
rpl_offset += 16;
|
|
|
|
/* Destination Counter */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_cc_destination_counter, tvb, rpl_offset, 4, ENC_BIG_ENDIAN);
|
|
rpl_offset += 4;
|
|
|
|
/* Options */
|
|
rpl_offset = dissect_icmpv6_rpl_opt(tvb, rpl_offset, pinfo, icmp6_tree, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_RPL_P2P_DRO: /* P2P Discovery Reply Object (0x4) */
|
|
case ICMP6_RPL_P2P_SDRO: /* Secure P2P Discovery Reply Object (0x84) */
|
|
{
|
|
/* RPLInstanceID */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_dro_instance, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Version Number */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_dro_version, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
if (tvb_get_guint8(tvb, rpl_offset)) {
|
|
expert_add_info(pinfo, ti, &ei_icmpv6_rpl_p2p_dro_zero);
|
|
}
|
|
rpl_offset += 1;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_dro_flag, tvb, rpl_offset, 2, ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_rpl_p2p_dro_flag);
|
|
|
|
/* Stop */
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_p2p_dro_flag_stop, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
/* Ack */
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_p2p_dro_flag_ack, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
/* Seq */
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_p2p_dro_flag_seq, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
/* Reserved */
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_p2p_dro_flag_reserved, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
rpl_offset += 2;
|
|
|
|
/* DODAGID */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_dro_dagid, tvb, rpl_offset, 16, ENC_NA);
|
|
rpl_offset += 16;
|
|
|
|
/* RPL Options */
|
|
rpl_offset = dissect_icmpv6_rpl_opt(tvb, rpl_offset, pinfo, icmp6_tree, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_RPL_P2P_DROACK: /* P2P Discovery Reply Object Acknowledgement (0x5) */
|
|
case ICMP6_RPL_P2P_SDROACK: /* Secure P2P Discovery Reply Object Acknowledgement (0x85) */
|
|
{
|
|
/* RPLInstanceID */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_dro_instance, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
rpl_offset += 1;
|
|
|
|
/* Version Number */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_dro_version, tvb, rpl_offset, 1, ENC_BIG_ENDIAN);
|
|
if (tvb_get_guint8(tvb, rpl_offset)) {
|
|
expert_add_info(pinfo, ti, &ei_icmpv6_rpl_p2p_dro_zero);
|
|
}
|
|
rpl_offset += 1;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_droack_flag, tvb, rpl_offset, 2, ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_rpl_p2p_droack_flag);
|
|
|
|
/* Seq */
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_p2p_droack_flag_seq, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
/* Reserved */
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rpl_p2p_droack_flag_reserved, tvb, rpl_offset, 2, ENC_BIG_ENDIAN);
|
|
rpl_offset += 2;
|
|
|
|
/* DODAGID */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_rpl_p2p_dro_dagid, tvb, rpl_offset, 16, ENC_NA);
|
|
rpl_offset += 16;
|
|
break;
|
|
}
|
|
|
|
}
|
|
return rpl_offset;
|
|
}
|
|
/* RFC 4620 - IPv6 Node Information Queries */
|
|
|
|
static int
|
|
dissect_nodeinfo(tvbuff_t *tvb, int ni_offset, packet_info *pinfo _U_, proto_tree *tree, guint8 icmp6_type, guint8 icmp6_code)
|
|
{
|
|
proto_tree *flag_tree;
|
|
proto_item *ti;
|
|
guint16 qtype;
|
|
|
|
/* Qtype */
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_qtype, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
qtype = tvb_get_ntohs(tvb, ni_offset);
|
|
ni_offset += 2;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(tree, hf_icmpv6_ni_flag, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_ni);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_ni_flag_g, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_ni_flag_s, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_ni_flag_l, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_ni_flag_c, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_ni_flag_a, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_ni_flag_t, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_ni_flag_rsv, tvb, ni_offset, 2, ENC_BIG_ENDIAN);
|
|
ni_offset += 2;
|
|
|
|
/* Nonce */
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_nonce, tvb, ni_offset, 8, ENC_BIG_ENDIAN);
|
|
ni_offset += 8;
|
|
|
|
/* Data ? */
|
|
if(tvb_reported_length_remaining(tvb, ni_offset) == 0){
|
|
return ni_offset;
|
|
}
|
|
|
|
if(icmp6_type == ICMP6_NI_QUERY){
|
|
switch(icmp6_code){
|
|
case ICMP6_NI_SUBJ_IPV6: {
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_query_subject_ipv6, tvb, ni_offset, 16, ENC_NA);
|
|
ni_offset += 16;
|
|
break;
|
|
}
|
|
case ICMP6_NI_SUBJ_FQDN: {
|
|
int fqdn_len;
|
|
const guchar *fqdn_name;
|
|
fqdn_len = get_dns_name(tvb, ni_offset, 0, ni_offset, &fqdn_name);
|
|
proto_tree_add_string(tree, hf_icmpv6_ni_query_subject_fqdn, tvb, ni_offset, fqdn_len, fqdn_name);
|
|
ni_offset += fqdn_len;
|
|
break;
|
|
}
|
|
case ICMP6_NI_SUBJ_IPV4: {
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_query_subject_ipv4, tvb, ni_offset, 4, ENC_BIG_ENDIAN);
|
|
ni_offset += 4;
|
|
break;
|
|
}
|
|
}
|
|
} else { /* It is ICMP6_NI_REPLY */
|
|
switch(qtype){
|
|
case NI_QTYPE_NOOP:
|
|
break;
|
|
case NI_QTYPE_NODENAME: {
|
|
int node_len;
|
|
const guchar *node_name;
|
|
/* TTL */
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_reply_node_ttl, tvb, ni_offset, 4, ENC_BIG_ENDIAN);
|
|
ni_offset += 4;
|
|
/* Data ? */
|
|
if(tvb_reported_length_remaining(tvb, ni_offset) == 0){
|
|
return ni_offset;
|
|
}
|
|
while(ni_offset < (int)tvb_reported_length(tvb) ) {
|
|
|
|
if(tvb_get_guint8(tvb, ni_offset) == 0){ /* if Zero there is padding, skip the loop */
|
|
break;
|
|
}
|
|
/* Node Name */
|
|
node_len = get_dns_name(tvb, ni_offset, 0, ni_offset, &node_name);
|
|
proto_tree_add_string(tree, hf_icmpv6_ni_reply_node_name, tvb, ni_offset, node_len, node_name);
|
|
ni_offset += node_len;
|
|
}
|
|
break;
|
|
}
|
|
case NI_QTYPE_NODEADDR: {
|
|
while(ni_offset < (int)tvb_reported_length(tvb) ) {
|
|
/* TTL */
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_reply_node_ttl, tvb, ni_offset, 4, ENC_BIG_ENDIAN);
|
|
ni_offset += 4;
|
|
/* Node Addresses */
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_reply_node_address, tvb, ni_offset, 16, ENC_NA);
|
|
ni_offset += 16;
|
|
}
|
|
break;
|
|
}
|
|
case NI_QTYPE_IPV4ADDR: {
|
|
while(ni_offset < (int)tvb_reported_length(tvb) ) {
|
|
/* TTL */
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_reply_node_ttl, tvb, ni_offset, 4, ENC_BIG_ENDIAN);
|
|
ni_offset += 4;
|
|
/* IPv4 Address */
|
|
proto_tree_add_item(tree, hf_icmpv6_ni_reply_ipv4_address, tvb, ni_offset, 4, ENC_BIG_ENDIAN);
|
|
ni_offset += 4;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return ni_offset;
|
|
}
|
|
/* RFC 2894 - Router Renumbering for IPv6 */
|
|
|
|
static int
|
|
dissect_rrenum(tvbuff_t *tvb, int rr_offset, packet_info *pinfo _U_, proto_tree *tree, guint8 icmp6_type _U_, guint8 icmp6_code)
|
|
{
|
|
proto_tree *flag_tree, *mp_tree, *up_tree, *rm_tree;
|
|
proto_item *ti, *ti_mp, *ti_up, *ti_rm;
|
|
|
|
/* Sequence Number */
|
|
proto_tree_add_item(tree, hf_icmpv6_rr_sequencenumber, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
rr_offset += 4;
|
|
|
|
/* Segment Number */
|
|
proto_tree_add_item(tree, hf_icmpv6_rr_segmentnumber, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
rr_offset += 1;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(tree, hf_icmpv6_rr_flag, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_flag_rr);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_flag_t, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_flag_r, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_flag_a, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_flag_s, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_flag_p, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_flag_rsv, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
rr_offset += 1;
|
|
|
|
/* Max Delay */
|
|
proto_tree_add_item(tree, hf_icmpv6_rr_maxdelay, tvb, rr_offset, 2, ENC_BIG_ENDIAN);
|
|
rr_offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(tree, hf_icmpv6_reserved, tvb, rr_offset, 4, ENC_NA);
|
|
rr_offset += 4;
|
|
|
|
/* Data ? */
|
|
if(tvb_reported_length_remaining(tvb, rr_offset) == 0){
|
|
return rr_offset;
|
|
}
|
|
|
|
if(icmp6_code == ICMP6_ROUTER_RENUMBERING_COMMAND){
|
|
/* Match-Prefix Part */
|
|
guint8 opcode, matchlen, minlen, maxlen;
|
|
|
|
ti_mp = proto_tree_add_item(tree, hf_icmpv6_rr_pco_mp_part, tvb, rr_offset, 24, ENC_NA);
|
|
mp_tree = proto_item_add_subtree(ti_mp, ett_icmpv6_rr_mp);
|
|
|
|
/* OpCode */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_rr_pco_mp_opcode, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
opcode = tvb_get_guint8(tvb, rr_offset);
|
|
rr_offset += 1;
|
|
|
|
/* OpLength */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_rr_pco_mp_oplength, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
rr_offset += 1;
|
|
|
|
/* Ordinal */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_rr_pco_mp_ordinal, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
rr_offset += 1;
|
|
|
|
/* MatchLen */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_rr_pco_mp_matchlen, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
matchlen = tvb_get_guint8(tvb, rr_offset);
|
|
if (matchlen > 128) {
|
|
expert_add_info(pinfo, ti, &ei_icmpv6_rr_pco_mp_matchlen);
|
|
}
|
|
rr_offset += 1;
|
|
|
|
/* MinLen */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_rr_pco_mp_minlen, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
minlen = tvb_get_guint8(tvb, rr_offset);
|
|
rr_offset += 1;
|
|
|
|
/* MaxLen */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_rr_pco_mp_maxlen, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
maxlen = tvb_get_guint8(tvb, rr_offset);
|
|
rr_offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_reserved, tvb, rr_offset, 2, ENC_NA);
|
|
rr_offset += 2;
|
|
|
|
/* Match Prefix */
|
|
proto_tree_add_item(mp_tree, hf_icmpv6_rr_pco_mp_matchprefix, tvb, rr_offset, 16, ENC_NA);
|
|
|
|
/* Add Info (Prefix, Length...) to Match Prefix Part label */
|
|
proto_item_append_text(ti_mp, ": %s %s/%u (%u-%u)", val_to_str(opcode, rr_pco_mp_opcode_val, "Unknown %d"), tvb_ip6_to_str(tvb, rr_offset), matchlen, minlen, maxlen);
|
|
rr_offset += 16;
|
|
|
|
while ((int)tvb_reported_length(tvb) > rr_offset) {
|
|
/* Use-Prefix Part */
|
|
guint8 uselen, keeplen;
|
|
|
|
ti_up = proto_tree_add_item(tree, hf_icmpv6_rr_pco_up_part, tvb, rr_offset, 32, ENC_NA);
|
|
up_tree = proto_item_add_subtree(ti_up, ett_icmpv6_rr_up);
|
|
|
|
/* UseLen */
|
|
proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_uselen, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
uselen = tvb_get_guint8(tvb, rr_offset);
|
|
rr_offset += 1;
|
|
|
|
/* KeepLen */
|
|
proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_keeplen, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
keeplen = tvb_get_guint8(tvb, rr_offset);
|
|
rr_offset += 1;
|
|
|
|
/* FlagMask */
|
|
ti = proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_flagmask, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_rr_up_flag_mask);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_flagmask_l, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_flagmask_a, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_flagmask_reserved, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
rr_offset += 1;
|
|
|
|
/* RaFlags */
|
|
ti = proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_raflags, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_rr_up_flag_ra);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_raflags_l, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_raflags_a, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_raflags_reserved, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
rr_offset += 1;
|
|
|
|
/* Valid Lifetime */
|
|
ti = proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_validlifetime, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
switch(tvb_get_ntohl(tvb, rr_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
rr_offset += 4;
|
|
|
|
/* Preferred Lifetime */
|
|
ti = proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_preferredlifetime, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
switch(tvb_get_ntohl(tvb, rr_offset)){
|
|
case 0xffffffff:
|
|
proto_item_append_text(ti, " (Infinity)");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
rr_offset += 4;
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_flag, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_rr_up_flag);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_flag_v, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_flag_p, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_pco_up_flag_reserved, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
rr_offset += 4;
|
|
|
|
/* UsePrefix */
|
|
proto_tree_add_item(up_tree, hf_icmpv6_rr_pco_up_useprefix, tvb, rr_offset, 16, ENC_NA);
|
|
rr_offset += 16;
|
|
|
|
/* Add Info (Prefix, Length...) to Use Prefix Part label */
|
|
proto_item_append_text(ti_up, ": %s/%u (keep %u)", tvb_ip6_to_str(tvb, rr_offset), uselen, keeplen);
|
|
}
|
|
|
|
}else if(icmp6_code == ICMP6_ROUTER_RENUMBERING_RESULT){
|
|
while ((int)tvb_reported_length(tvb) > rr_offset) {
|
|
guint8 matchlen;
|
|
guint32 interfaceindex;
|
|
/* Result Message */
|
|
|
|
ti_rm = proto_tree_add_item(tree, hf_icmpv6_rr_rm, tvb, rr_offset, 24, ENC_NA);
|
|
rm_tree = proto_item_add_subtree(ti_rm, ett_icmpv6_rr_rm);
|
|
|
|
/* Flags */
|
|
ti = proto_tree_add_item(rm_tree, hf_icmpv6_rr_rm_flag, tvb, rr_offset, 2, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti, ett_icmpv6_rr_rm_flag);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_rm_flag_reserved, tvb, rr_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_rm_flag_b, tvb, rr_offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_rr_rm_flag_f, tvb, rr_offset, 2, ENC_BIG_ENDIAN);
|
|
rr_offset +=2;
|
|
|
|
/* Ordinal */
|
|
proto_tree_add_item(rm_tree, hf_icmpv6_rr_rm_ordinal, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
rr_offset +=1;
|
|
|
|
/* MatchLen */
|
|
ti = proto_tree_add_item(rm_tree, hf_icmpv6_rr_rm_matchedlen, tvb, rr_offset, 1, ENC_BIG_ENDIAN);
|
|
matchlen = tvb_get_guint8(tvb, rr_offset);
|
|
if (matchlen > 128) {
|
|
expert_add_info(pinfo, ti, &ei_icmpv6_rr_pco_mp_matchedlen);
|
|
}
|
|
rr_offset +=1;
|
|
|
|
/* InterfaceIndex */
|
|
proto_tree_add_item(rm_tree, hf_icmpv6_rr_rm_interfaceindex, tvb, rr_offset, 4, ENC_BIG_ENDIAN);
|
|
interfaceindex = tvb_get_ntohl(tvb, rr_offset);
|
|
rr_offset +=4;
|
|
|
|
/* MatchedPrefix */
|
|
proto_tree_add_item(rm_tree, hf_icmpv6_rr_rm_matchedprefix, tvb, rr_offset, 16, ENC_NA);
|
|
|
|
/* Add Info (Prefix, Length...) to Use Resultant Message label */
|
|
proto_item_append_text(ti_rm, ": %s/%u (interface %u)", tvb_ip6_to_str(tvb, rr_offset), matchlen, interfaceindex);
|
|
rr_offset +=16;
|
|
}
|
|
}
|
|
return rr_offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_mldrv2( tvbuff_t *tvb, guint32 offset, packet_info *pinfo _U_, proto_tree *tree )
|
|
{
|
|
proto_tree *mar_tree;
|
|
proto_item *ti_mar;
|
|
int mldr_offset = offset;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(tree, hf_icmpv6_reserved, tvb, mldr_offset, 2, ENC_NA );
|
|
mldr_offset += 2;
|
|
|
|
/* Nr of Mcast Address Records (M) */
|
|
proto_tree_add_item(tree, hf_icmpv6_mldr_nb_mcast_records, tvb, mldr_offset, 2, ENC_BIG_ENDIAN );
|
|
mldr_offset += 2;
|
|
|
|
/* Multicast Address Record */
|
|
while(mldr_offset < (int)tvb_reported_length(tvb) ) {
|
|
guint8 aux_data_len, record_type;
|
|
guint16 i, nb_sources;
|
|
|
|
ti_mar = proto_tree_add_item(tree, hf_icmpv6_mldr_mar, tvb, mldr_offset, -1, ENC_NA);
|
|
mar_tree = proto_item_add_subtree(ti_mar, ett_icmpv6_mar);
|
|
|
|
/* Record Type */
|
|
proto_tree_add_item(mar_tree, hf_icmpv6_mldr_mar_record_type, tvb, mldr_offset, 1, ENC_BIG_ENDIAN);
|
|
record_type = tvb_get_guint8(tvb, mldr_offset);
|
|
mldr_offset += 1;
|
|
|
|
/* Aux Data Len */
|
|
proto_tree_add_item(mar_tree, hf_icmpv6_mldr_mar_aux_data_len, tvb, mldr_offset, 1, ENC_BIG_ENDIAN);
|
|
aux_data_len = tvb_get_guint8(tvb, mldr_offset);
|
|
mldr_offset += 1;
|
|
|
|
/* Number of Sources (N) */
|
|
proto_tree_add_item(mar_tree, hf_icmpv6_mldr_mar_nb_sources, tvb, mldr_offset, 2, ENC_BIG_ENDIAN);
|
|
nb_sources = tvb_get_ntohs(tvb, mldr_offset);
|
|
mldr_offset += 2;
|
|
|
|
/* Multicast Address */
|
|
proto_tree_add_item(mar_tree, hf_icmpv6_mldr_mar_multicast_address, tvb, mldr_offset, 16, ENC_NA);
|
|
proto_item_append_text(ti_mar, " %s: %s", val_to_str(record_type, mldr_record_type_val,"Unknown Record Type (%d)"), tvb_ip6_to_str(tvb, mldr_offset));
|
|
mldr_offset += 16;
|
|
|
|
/* Source Address */
|
|
for (i=0; i < nb_sources; i++){
|
|
proto_tree_add_item(mar_tree, hf_icmpv6_mldr_mar_source_address, tvb, mldr_offset, 16, ENC_NA);
|
|
mldr_offset += 16;
|
|
}
|
|
|
|
/* Auxiliary Data ? */
|
|
if(aux_data_len)
|
|
{
|
|
proto_tree_add_item(mar_tree, hf_icmpv6_mldr_mar_auxiliary_data, tvb, mldr_offset, aux_data_len * 4, ENC_NA);
|
|
mldr_offset += aux_data_len * 4;
|
|
}
|
|
|
|
/* Multicast Address Record Length */
|
|
proto_item_set_len(ti_mar, 4 + 16 + (16 * nb_sources) + (aux_data_len * 4));
|
|
|
|
}
|
|
return mldr_offset;
|
|
}
|
|
|
|
static gboolean
|
|
capture_icmpv6(const guchar *pd _U_, int offset _U_, int len _U_, capture_packet_info_t *cpinfo, const union wtap_pseudo_header *pseudo_header _U_)
|
|
{
|
|
capture_dissector_increment_count(cpinfo, proto_icmpv6);
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
dissect_icmpv6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
proto_tree *icmp6_tree = NULL, *flag_tree = NULL;
|
|
proto_item *ti = NULL, *checksum_item = NULL, *code_item = NULL, *ti_flag = NULL;
|
|
const char *code_name = NULL;
|
|
guint length = 0, reported_length;
|
|
vec_t cksum_vec[4];
|
|
guint32 phdr[2];
|
|
guint16 cksum;
|
|
int offset;
|
|
tvbuff_t *next_tvb;
|
|
guint8 icmp6_type, icmp6_code;
|
|
icmp_transaction_t *trans = NULL;
|
|
ws_ip *iph = (ws_ip*)data;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ICMPv6");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
offset = 0;
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_icmpv6, tvb, offset, -1, ENC_NA);
|
|
icmp6_tree = proto_item_add_subtree(ti, ett_icmpv6);
|
|
|
|
/* Type */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
icmp6_type = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(icmp6_type, icmpv6_type_val, "Unknown (%d)"));
|
|
|
|
if (tree)
|
|
code_item = proto_tree_add_item(icmp6_tree, hf_icmpv6_code, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
icmp6_code = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
switch (icmp6_type) {
|
|
case ICMP6_DST_UNREACH:
|
|
code_name = val_to_str_const(icmp6_code, icmpv6_unreach_code_val, "Unknown");
|
|
break;
|
|
case ICMP6_TIME_EXCEEDED:
|
|
code_name = val_to_str(icmp6_code, icmpv6_timeex_code_val, "Unknown (%d)");
|
|
break;
|
|
case ICMP6_PARAM_PROB:
|
|
code_name = val_to_str(icmp6_code, icmpv6_paramprob_code_val, "Unknown (%d)");
|
|
break;
|
|
case ICMP6_ROUTER_RENUMBERING:
|
|
code_name = val_to_str(icmp6_code, icmpv6_rr_code_val, "Unknown (%d)");
|
|
break;
|
|
case ICMP6_NI_QUERY:
|
|
code_name = val_to_str(icmp6_code, ni_query_code_val, "Unknown (%d)");
|
|
break;
|
|
case ICMP6_NI_REPLY:
|
|
code_name = val_to_str(icmp6_code, ni_reply_code_val, "Unknown (%d)");
|
|
break;
|
|
case ICMP6_RPL_CONTROL:
|
|
code_name = val_to_str(icmp6_code, rpl_code_val, "Unknown (%d)");
|
|
break;
|
|
}
|
|
|
|
if (code_name)
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", code_name);
|
|
|
|
/* RFC 4380
|
|
* 2.7. Teredo UDP Port
|
|
* 5.2.9. Direct IPv6 Connectivity Test */
|
|
if (pinfo->destport == 3544 && icmp6_type == ICMP6_ECHO_REQUEST) {
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Teredo");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Direct IPv6 Connectivity Test");
|
|
}
|
|
|
|
if (code_name)
|
|
proto_item_append_text(code_item, " (%s)", code_name);
|
|
|
|
cksum = tvb_get_ntohs(tvb, offset);
|
|
length = tvb_captured_length(tvb);
|
|
reported_length = tvb_reported_length(tvb);
|
|
if (!pinfo->fragmented && length >= reported_length && !pinfo->flags.in_error_pkt) {
|
|
/* The packet isn't part of a fragmented datagram, isn't truncated,
|
|
* and we aren't in an ICMP error packet, so we can checksum it.
|
|
*/
|
|
|
|
/* Set up the fields of the pseudo-header. */
|
|
SET_CKSUM_VEC_PTR(cksum_vec[0], (const guint8 *)pinfo->src.data, pinfo->src.len);
|
|
SET_CKSUM_VEC_PTR(cksum_vec[1], (const guint8 *)pinfo->dst.data, pinfo->dst.len);
|
|
phdr[0] = g_htonl(reported_length);
|
|
phdr[1] = g_htonl(IP_PROTO_ICMPV6);
|
|
SET_CKSUM_VEC_PTR(cksum_vec[2], (const guint8 *)&phdr, 8);
|
|
SET_CKSUM_VEC_TVB(cksum_vec[3], tvb, 0, reported_length);
|
|
|
|
proto_tree_add_checksum(icmp6_tree, tvb, 2, hf_icmpv6_checksum, hf_icmpv6_checksum_status, &ei_icmpv6_checksum, pinfo, in_cksum(cksum_vec, 4),
|
|
ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY|PROTO_CHECKSUM_IN_CKSUM);
|
|
} else {
|
|
checksum_item = proto_tree_add_checksum(icmp6_tree, tvb, 2, hf_icmpv6_checksum, hf_icmpv6_checksum_status, &ei_icmpv6_checksum, pinfo, 0,
|
|
ENC_BIG_ENDIAN, PROTO_CHECKSUM_NO_FLAGS);
|
|
proto_item_append_text(checksum_item, " [%s]",
|
|
pinfo->flags.in_error_pkt ? "in ICMP error packet" : "fragmented datagram");
|
|
}
|
|
offset += 2;
|
|
|
|
if (icmp6_type == ICMP6_ECHO_REQUEST || icmp6_type == ICMP6_ECHO_REPLY) {
|
|
guint16 identifier, sequence;
|
|
|
|
/* Identifier */
|
|
if (tree)
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_echo_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
identifier = tvb_get_ntohs(tvb, offset);
|
|
offset += 2;
|
|
|
|
/* Sequence Number */
|
|
if (tree)
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_echo_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
sequence = tvb_get_ntohs(tvb, offset);
|
|
offset += 2;
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " id=0x%04x, seq=%u, hop limit=%u",
|
|
identifier, sequence, (iph != NULL) ? iph->ip_ttl : 0);
|
|
|
|
if (pinfo->destport == 3544 && icmp6_type == ICMP6_ECHO_REQUEST) {
|
|
/* RFC 4380
|
|
* 2.7. Teredo UDP Port
|
|
* 5.2.9. Direct IPv6 Connectivity Test
|
|
*
|
|
* TODO: Clarify the nonce: The RFC states, "(It is recommended to
|
|
* use a random number [the nonce] at least 64 bits long.)"
|
|
*
|
|
* Shouldn't the nonce be at least 8 then? Why not just use (-1),
|
|
* as it could really be any length, couldn't it?
|
|
*/
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nonce, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
} else {
|
|
if (!pinfo->flags.in_error_pkt) {
|
|
guint32 conv_key[2];
|
|
|
|
conv_key[1] = (guint32)((identifier << 16) | sequence);
|
|
|
|
if (icmp6_type == ICMP6_ECHO_REQUEST) {
|
|
conv_key[0] = (guint32)cksum;
|
|
if (pinfo->flags.in_gre_pkt)
|
|
conv_key[0] |= 0x00010000; /* set a bit for "in GRE" */
|
|
trans = transaction_start(pinfo, icmp6_tree, conv_key);
|
|
} else { /* ICMP6_ECHO_REPLY */
|
|
guint16 tmp[2];
|
|
|
|
tmp[0] = ~cksum;
|
|
tmp[1] = ~0x0100; /* The difference between echo request & reply */
|
|
SET_CKSUM_VEC_PTR(cksum_vec[0], (guint8 *)tmp, sizeof(tmp));
|
|
conv_key[0] = in_cksum(cksum_vec, 1);
|
|
if (conv_key[0] == 0)
|
|
conv_key[0] = 0xffff;
|
|
if (pinfo->flags.in_gre_pkt)
|
|
conv_key[0] |= 0x00010000; /* set a bit for "in GRE" */
|
|
trans = transaction_end(pinfo, icmp6_tree, conv_key);
|
|
}
|
|
}
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
offset += call_data_dissector(next_tvb, pinfo, icmp6_tree);
|
|
}
|
|
}
|
|
|
|
if (1) { /* There are expert infos buried in here so always execute */
|
|
/* decode... */
|
|
/* FIXME: The following messages MUST have a TTL^WHop-Limit of 255:
|
|
133-137, 141-142, 148-149. Detect this and add expert items. */
|
|
switch (icmp6_type) {
|
|
case ICMP6_DST_UNREACH: /* Destination Unreachable (1) */
|
|
case ICMP6_TIME_EXCEEDED: /* Time Exceeded (3) */
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
offset += dissect_contained_icmpv6(next_tvb, pinfo, icmp6_tree);
|
|
break;
|
|
case ICMP6_PACKET_TOO_BIG: /* Packet Too Big (2) */
|
|
/* MTU */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mtu, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
offset += dissect_contained_icmpv6(next_tvb, pinfo, icmp6_tree);
|
|
break;
|
|
case ICMP6_PARAM_PROB: /* Parameter Problem (4) */
|
|
/* MTU */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_pointer, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
offset += dissect_contained_icmpv6(next_tvb, pinfo, icmp6_tree);
|
|
break;
|
|
case ICMP6_ECHO_REQUEST: /* Echo Request (128) */
|
|
case ICMP6_ECHO_REPLY: /* Echo Reply (129) */
|
|
/* Already handled above */
|
|
break;
|
|
case ICMP6_MEMBERSHIP_QUERY: /* Multicast Listener Query (130) */
|
|
case ICMP6_MEMBERSHIP_REPORT: /* Multicast Listener Report (131) */
|
|
case ICMP6_MEMBERSHIP_REDUCTION: /* Multicast Listener Done (132) */
|
|
{
|
|
/* It is MLDv2 packet ? (the min length for a MLDv2 packet is 28) */
|
|
if ((icmp6_type == ICMP6_MEMBERSHIP_QUERY) && (length >= MLDV2_PACKET_MINLEN)) {
|
|
guint32 mrc;
|
|
guint16 qqi, i, nb_sources;
|
|
|
|
/* Maximum Response Code */
|
|
mrc = tvb_get_ntohs(tvb, offset);
|
|
if (mrc >= 32768){
|
|
mrc = ((mrc & 0x0fff) | 0x1000) << (((mrc & 0x7000) >> 12) + 3);
|
|
}
|
|
proto_tree_add_uint(icmp6_tree, hf_icmpv6_mld_mrc, tvb, offset, 2, mrc);
|
|
offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
/* Multicast Address */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mld_multicast_address, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
|
|
/* Flag */
|
|
ti_flag = proto_tree_add_item(icmp6_tree, hf_icmpv6_mld_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_flag, ett_icmpv6_flag_mld);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_mld_flag_s, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_mld_flag_qrv, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_mld_flag_rsv, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* QQI */
|
|
qqi = tvb_get_guint8(tvb, offset);
|
|
if (qqi >= 128){
|
|
qqi = ((qqi & 0x0f) | 0x10) << (((qqi & 0x70) >> 4) + 3);
|
|
}
|
|
proto_tree_add_uint(icmp6_tree, hf_icmpv6_mld_qqi, tvb, offset, 1, qqi);
|
|
offset += 1;
|
|
|
|
/* Number of Sources */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mld_nb_sources, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
nb_sources = tvb_get_ntohs(tvb, offset);
|
|
offset += 2;
|
|
|
|
/* Source Address */
|
|
for (i=0; i < nb_sources; i++){
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mld_source_address, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
}
|
|
|
|
}else{ /* It is a MLDv1 Packet */
|
|
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mld_mrd, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
/* Multicast Address */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mld_multicast_address, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
}
|
|
break;
|
|
}
|
|
case ICMP6_ND_ROUTER_SOLICIT: /* Router Solicitation (133) */
|
|
{
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_ND_ROUTER_ADVERT: /* Router Advertisement (134) */
|
|
{
|
|
|
|
/* Current hop limit */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_ra_cur_hop_limit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Flags */
|
|
ti_flag = proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_ra_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_flag, ett_icmpv6_flag_ra);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_ra_flag_m, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_ra_flag_o, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_ra_flag_h, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_ra_flag_prf, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_ra_flag_p, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_ra_flag_rsv, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Router lifetime */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_ra_router_lifetime, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reachable time */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_ra_reachable_time, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Retrans timer */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_ra_retrans_timer, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_ND_NEIGHBOR_SOLICIT: /* Neighbor Solicitation (135) */
|
|
{
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
/* Target Address */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_ns_target_address, tvb, offset, 16, ENC_NA);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " for %s", tvb_ip6_to_str(tvb, offset));
|
|
|
|
offset += 16;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_ND_NEIGHBOR_ADVERT: /* Neighbor Advertisement (136) */
|
|
{
|
|
guint32 na_flags;
|
|
wmem_strbuf_t *flags_strbuf = wmem_strbuf_new_label(wmem_packet_scope());
|
|
|
|
/* Flags */
|
|
ti_flag = proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_na_flag, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_flag, ett_icmpv6_flag_na);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_na_flag_r, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_na_flag_s, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_na_flag_o, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_nd_na_flag_rsv, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
na_flags = tvb_get_ntohl(tvb, offset);
|
|
offset += 4;
|
|
|
|
/* Target Address */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_na_target_address, tvb, offset, 16, ENC_NA);
|
|
|
|
|
|
if (na_flags & ND_NA_FLAG_R) {
|
|
wmem_strbuf_append(flags_strbuf, "rtr, ");
|
|
}
|
|
if (na_flags & ND_NA_FLAG_S) {
|
|
wmem_strbuf_append(flags_strbuf, "sol, ");
|
|
}
|
|
if (na_flags & ND_NA_FLAG_O) {
|
|
wmem_strbuf_append(flags_strbuf, "ovr, ");
|
|
}
|
|
if (wmem_strbuf_get_len(flags_strbuf) > 2) {
|
|
wmem_strbuf_truncate(flags_strbuf, wmem_strbuf_get_len(flags_strbuf) - 2);
|
|
} else {
|
|
wmem_strbuf_truncate(flags_strbuf, 0);
|
|
wmem_strbuf_append(flags_strbuf, "none");
|
|
}
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s (%s)", tvb_ip6_to_str(tvb, offset), wmem_strbuf_get_str(flags_strbuf));
|
|
offset += 16;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_ND_REDIRECT: /* Redirect Message (137) */
|
|
{
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
/* Target Address */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_rd_target_address, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
|
|
/* Destination Address */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_nd_rd_destination_address, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_ROUTER_RENUMBERING: /* Router Renumbering (138) */
|
|
{
|
|
offset = dissect_rrenum(tvb, offset, pinfo, icmp6_tree, icmp6_type, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_NI_QUERY: /* ICMP Node Information Query (139) */
|
|
case ICMP6_NI_REPLY: /* ICMP Node Information Response (140) */
|
|
{
|
|
offset = dissect_nodeinfo(tvb, offset, pinfo, icmp6_tree, icmp6_type, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_IND_SOLICIT: /* Inverse Neighbor Discovery Solicitation Message (141) */
|
|
case ICMP6_IND_ADVERT: /* Inverse Neighbor Discovery Advertisement Message (142) */
|
|
{
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 4, ENC_NA);
|
|
offset += 4;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_MLDV2_REPORT: /* Version 2 Multicast Listener Report (143) */
|
|
{
|
|
offset = dissect_mldrv2( tvb, offset, pinfo, icmp6_tree );
|
|
break;
|
|
}
|
|
case ICMP6_MIP6_DHAAD_REQUEST: /* Home Agent Address Discovery Request Message (144) */
|
|
{
|
|
/* Identifier */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mip6_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
break;
|
|
}
|
|
case ICMP6_MIP6_DHAAD_REPLY: /* Home Agent Address Discovery Reply Message (145) */
|
|
{
|
|
/* Identifier */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mip6_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
/* Show all Home Agent Addresses */
|
|
while((int)length > offset)
|
|
{
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mip6_home_agent_address, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
}
|
|
break;
|
|
}
|
|
case ICMP6_MIP6_MPS: /* Mobile Prefix Solicitation (146) */
|
|
{
|
|
/* Identifier */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mip6_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
break;
|
|
}
|
|
case ICMP6_MIP6_MPA: /* Mobile Prefix Advertisement (147) */
|
|
{
|
|
/* Identifier */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mip6_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Flag */
|
|
ti_flag = proto_tree_add_item(icmp6_tree, hf_icmpv6_mip6_flag, tvb,offset, 6, ENC_NA);
|
|
flag_tree = proto_item_add_subtree(ti_flag, ett_icmpv6_flag_mip6);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_mip6_flag_m, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_mip6_flag_o, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_mip6_flag_rsv, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_CERT_PATH_SOL: /* Certification Path Solicitation Message (148) */
|
|
{
|
|
|
|
/* Identifier */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_send_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Component */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_send_component, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_CERT_PATH_AD: /* Certification Path Advertisement Message (149) */
|
|
{
|
|
|
|
/* Identifier */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_send_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* All Components */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_send_all_components, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Component */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_send_component, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_EXPERIMENTAL_MOBILITY: /* ICMP messages utilized by experimental mobility protocols (150) */
|
|
case ICMP6_FMIPV6_MESSAGES: /* FMIPv6 Messages (154)*/
|
|
{
|
|
guint8 subtype;
|
|
|
|
/* Subtype */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_fmip6_subtype, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
subtype = tvb_get_guint8(tvb, offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", val_to_str(subtype, fmip6_subtype_val, "Unknown (%d)"));
|
|
offset += 1;
|
|
|
|
switch(subtype){
|
|
case FMIP6_SUBTYPE_RTSOLPR:
|
|
{
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 1, ENC_NA);
|
|
}
|
|
break;
|
|
case FMIP6_SUBTYPE_PRRTADV:
|
|
{
|
|
proto_item_append_text(code_item, " (%s)", val_to_str(icmp6_code, fmip6_prrtadv_code_val, "Unknown %d") );
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 1, ENC_NA);
|
|
}
|
|
break;
|
|
case FMIP6_SUBTYPE_HI:
|
|
{
|
|
proto_item_append_text(code_item, " (%s)", val_to_str(icmp6_code, fmip6_hi_code_val, "Unknown %d") );
|
|
/* Flags */
|
|
ti_flag = proto_tree_add_item(icmp6_tree, hf_icmpv6_fmip6_hi_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
flag_tree = proto_item_add_subtree(ti_flag, ett_icmpv6_flag_fmip6);
|
|
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_fmip6_hi_flag_s, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_fmip6_hi_flag_u, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(flag_tree, hf_icmpv6_fmip6_hi_flag_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
}
|
|
break;
|
|
case FMIP6_SUBTYPE_HACK:
|
|
{
|
|
proto_item_append_text(code_item, " (%s)", val_to_str(icmp6_code, fmip6_hack_code_val, "Unknown %d") );
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 1, ENC_NA);
|
|
}
|
|
break;
|
|
}
|
|
offset +=1;
|
|
|
|
/* Identifier */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_fmip6_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Show options */
|
|
offset = dissect_icmpv6_nd_opt(tvb, offset, pinfo, icmp6_tree);
|
|
break;
|
|
}
|
|
case ICMP6_MCAST_ROUTER_ADVERT: /* Multicast Router Advertisement (151) */
|
|
{
|
|
/* Query Interval */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mcast_ra_query_interval, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Robustness Variable */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_mcast_ra_robustness_variable, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
}
|
|
case ICMP6_MCAST_ROUTER_SOLICIT: /* Multicast Router Solicitation (152) */
|
|
case ICMP6_MCAST_ROUTER_TERM: /* Multicast Router Termination (153) */
|
|
{
|
|
/* No Action... */
|
|
break;
|
|
}
|
|
case ICMP6_RPL_CONTROL: /* RPL Control (155) */
|
|
{
|
|
/* RPL: RFC 6550 : Routing over Low-Power and Lossy Networks. */
|
|
offset = dissect_rpl_control(tvb, offset, pinfo, icmp6_tree, icmp6_type, icmp6_code);
|
|
break;
|
|
}
|
|
case ICMP6_ILNPV6: /* Locator Update (156) */
|
|
{
|
|
guint8 nb_locs, i;
|
|
/* Number of locs */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_ilnp_nb_locs, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
nb_locs = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_reserved, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
/* Locator / Preference / Lifetime */
|
|
for (i=0; i < nb_locs; i++){
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_ilnp_locator, tvb, offset, 8, ENC_NA);
|
|
offset += 8;
|
|
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_ilnp_preference, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_ilnp_lifetime, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
|
|
}
|
|
break;
|
|
}
|
|
case ICMP6_6LOWPANND_DAR:
|
|
case ICMP6_6LOWPANND_DAC:
|
|
{
|
|
/* Status */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_da_status, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Reserved */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_da_rsv, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* Lifetime */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_da_lifetime, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* EUI-64 */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_da_eui64, tvb, offset, 8, ENC_BIG_ENDIAN);
|
|
offset += 8;
|
|
|
|
/* Address */
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_da_raddr, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
break;
|
|
}
|
|
default:
|
|
expert_add_info_format(pinfo, ti, &ei_icmpv6_undecoded_type,
|
|
"Dissector for ICMPv6 Type (%d)"
|
|
" code not implemented, Contact Wireshark"
|
|
" developers if you want this supported", icmp6_type);
|
|
proto_tree_add_item(icmp6_tree, hf_icmpv6_data, tvb, offset, -1, ENC_NA);
|
|
break;
|
|
} /* switch (icmp6_type) */
|
|
} /* if (1) */
|
|
|
|
if (!PINFO_FD_VISITED(pinfo)) {
|
|
icmp_info_t *p_icmp_info = wmem_new(wmem_file_scope(), icmp_info_t);
|
|
p_icmp_info->type = icmp6_type;
|
|
p_icmp_info->code = icmp6_code;
|
|
p_add_proto_data(wmem_file_scope(), pinfo, proto_icmpv6, 0, p_icmp_info);
|
|
}
|
|
|
|
if (trans)
|
|
tap_queue_packet(icmpv6_tap, pinfo, trans);
|
|
|
|
return offset;
|
|
}
|
|
|
|
void
|
|
proto_register_icmpv6(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_icmpv6_type,
|
|
{ "Type", "icmpv6.type", FT_UINT8, BASE_DEC, VALS(icmpv6_type_val), 0x0,
|
|
"Indicates the type of the message", HFILL }},
|
|
{ &hf_icmpv6_code,
|
|
{ "Code", "icmpv6.code", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Depends on the message type. It is used to create an additional level of message granularity", HFILL }},
|
|
{ &hf_icmpv6_checksum,
|
|
{ "Checksum", "icmpv6.checksum", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"Used to detect data corruption in the ICMPv6 message and parts of the IPv6 header", HFILL }},
|
|
{ &hf_icmpv6_checksum_status,
|
|
{ "Checksum Status", "icmpv6.checksum.status", FT_UINT8, BASE_NONE, VALS(proto_checksum_vals), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_reserved,
|
|
{ "Reserved", "icmpv6.reserved", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_data,
|
|
{ "Data", "icmpv6.data", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_unknown_data,
|
|
{ "Unknown Data", "icmpv6.unknown_data", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Not interpreted Data", HFILL }},
|
|
{ &hf_icmpv6_mtu,
|
|
{ "MTU", "icmpv6.mtu", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The Maximum Transmission Unit of the next-hop link", HFILL }},
|
|
{ &hf_icmpv6_pointer,
|
|
{ "Pointer", "icmpv6.pointer", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Identifies the octet offset within the invoking packet where the error was detected", HFILL }},
|
|
{ &hf_icmpv6_echo_identifier,
|
|
{ "Identifier", "icmpv6.echo.identifier", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"An identifier to aid in matching with Request and Reply", HFILL }},
|
|
{ &hf_icmpv6_echo_sequence_number,
|
|
{ "Sequence", "icmpv6.echo.sequence_number", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"A sequence number to aid in matching Echo Replies to this Echo Request", HFILL }},
|
|
{ &hf_icmpv6_nonce,
|
|
{ "Nonce", "icmpv6.nonce", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
/* RFC 2461/4861 : Neighbor Discovery for IP version 6 (IPv6) */
|
|
{ &hf_icmpv6_nd_ra_cur_hop_limit,
|
|
{ "Cur hop limit", "icmpv6.nd.ra.cur_hop_limit", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The default value that should be placed in the Hop Count field of the IP header for outgoing IP packets", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_flag,
|
|
{ "Flags", "icmpv6.nd.ra.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_nd_ra_flag_m,
|
|
{ "Managed address configuration", "icmpv6.nd.ra.flag.m", FT_BOOLEAN, 8, TFS(&tfs_set_notset), ND_RA_FLAG_M,
|
|
"When set, it indicates that addresses are available via DHCPv6", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_flag_o,
|
|
{ "Other configuration", "icmpv6.nd.ra.flag.o", FT_BOOLEAN, 8, TFS(&tfs_set_notset), ND_RA_FLAG_O,
|
|
"When set, it indicates that other configuration information is available via DHCPv6", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_flag_h,
|
|
{ "Home Agent", "icmpv6.nd.ra.flag.h", FT_BOOLEAN, 8, TFS(&tfs_set_notset), ND_RA_FLAG_H,
|
|
"When set, it indicate that the router sending this Router Advertisement is also functioning as a Mobile IPv6 home agent on this link", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_flag_prf,
|
|
{ "Prf (Default Router Preference)", "icmpv6.nd.ra.flag.prf", FT_UINT8, BASE_DEC, VALS(nd_flag_router_pref), ND_RA_FLAG_PRF,
|
|
"Indicates whether to prefer this router over other default routers", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_flag_p,
|
|
{ "Proxy", "icmpv6.nd.ra.flag.p", FT_BOOLEAN, 8, TFS(&tfs_set_notset), ND_RA_FLAG_P,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_nd_ra_flag_rsv,
|
|
{ "Reserved", "icmpv6.nd.ra.flag.rsv", FT_UINT8, BASE_DEC, NULL, ND_RA_FLAG_RSV,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_router_lifetime,
|
|
{ "Router lifetime (s)", "icmpv6.nd.ra.router_lifetime", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The lifetime associated with the default router", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_reachable_time,
|
|
{ "Reachable time (ms)", "icmpv6.nd.ra.reachable_time", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The time that a node assumes a neighbor is reachable after having received a reachability confirmation", HFILL }},
|
|
{ &hf_icmpv6_nd_ra_retrans_timer,
|
|
{ "Retrans timer (ms)", "icmpv6.nd.ra.retrans_timer", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The time between retransmitted Neighbor Solicitation messages", HFILL }},
|
|
{ &hf_icmpv6_nd_ns_target_address,
|
|
{ "Target Address", "icmpv6.nd.ns.target_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The IP address of the target of the solicitation", HFILL }},
|
|
{ &hf_icmpv6_nd_na_flag,
|
|
{ "Flags", "icmpv6.nd.na.flag", FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_nd_na_flag_r,
|
|
{ "Router", "icmpv6.nd.na.flag.r", FT_BOOLEAN, 32, TFS(&tfs_set_notset), ND_NA_FLAG_R,
|
|
"When set, it indicates that the sender is a router", HFILL }},
|
|
{ &hf_icmpv6_nd_na_flag_s,
|
|
{ "Solicited", "icmpv6.nd.na.flag.s", FT_BOOLEAN, 32, TFS(&tfs_set_notset), ND_NA_FLAG_S,
|
|
"When set, it indicates that the advertisement was sent in response to a Neighbor Solicitation from the Destination address", HFILL }},
|
|
{ &hf_icmpv6_nd_na_flag_o,
|
|
{ "Override", "icmpv6.nd.na.flag.o", FT_BOOLEAN, 32, TFS(&tfs_set_notset), ND_NA_FLAG_O,
|
|
"When set, it indicates that the advertisement should override an existing cache entry and update the cached link-layer address", HFILL }},
|
|
{ &hf_icmpv6_nd_na_flag_rsv,
|
|
{ "Reserved", "icmpv6.nd.na.flag.rsv", FT_UINT32, BASE_DEC, NULL, ND_NA_FLAG_RSV,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_nd_na_target_address,
|
|
{ "Target Address", "icmpv6.nd.na.target_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"the Target Address field in the Neighbor Solicitation message that prompted this advertisement", HFILL }},
|
|
{ &hf_icmpv6_nd_rd_target_address,
|
|
{ "Target Address", "icmpv6.nd.rd.target_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"An IP address that is a better first hop to use for the ICMP Destination Address", HFILL }},
|
|
{ &hf_icmpv6_nd_rd_destination_address,
|
|
{ "Destination Address", "icmpv6.rd.na.destination_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The IP address of the destination that is redirected to the target", HFILL }},
|
|
{ &hf_icmpv6_opt,
|
|
{ "ICMPv6 Option", "icmpv6.opt", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Option", HFILL }},
|
|
{ &hf_icmpv6_opt_type,
|
|
{ "Type", "icmpv6.opt.type", FT_UINT8, BASE_DEC, VALS(option_vals), 0x0,
|
|
"Options type", HFILL }},
|
|
{ &hf_icmpv6_opt_length,
|
|
{ "Length", "icmpv6.opt.length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The length (in units of 8 bytes) of the option (including the Type and Length fields)", HFILL }},
|
|
{ &hf_icmpv6_opt_reserved,
|
|
{ "Reserved", "icmpv6.opt.reserved", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Reserved (Must be 0)", HFILL }},
|
|
{ &hf_icmpv6_opt_padding,
|
|
{ "Padding", "icmpv6.opt.padding", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Padding (Must be 0)", HFILL }},
|
|
{ &hf_icmpv6_opt_linkaddr,
|
|
{ "Link-layer address", "icmpv6.opt.linkaddr", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_src_linkaddr,
|
|
{ "Source Link-layer address", "icmpv6.opt.src_linkaddr", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_target_linkaddr,
|
|
{ "Target Link-layer address", "icmpv6.opt.target_linkaddr", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_linkaddr_mac,
|
|
{ "Link-layer address", "icmpv6.opt.linkaddr", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_src_linkaddr_mac,
|
|
{ "Source Link-layer address", "icmpv6.opt.src_linkaddr", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_target_linkaddr_mac,
|
|
{ "Target Link-layer address", "icmpv6.opt.target_linkaddr", FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_linkaddr_eui64,
|
|
{ "Link-layer address", "icmpv6.opt.linkaddr_eui64", FT_EUI64, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_src_linkaddr_eui64,
|
|
{ "Source Link-layer address", "icmpv6.opt.src_linkaddr_eui64", FT_EUI64, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_target_linkaddr_eui64,
|
|
{ "Target Link-layer address", "icmpv6.opt.target_linkaddr_eui64", FT_EUI64, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_len,
|
|
{ "Prefix Length", "icmpv6.opt.prefix.length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The number of leading bits in the Prefix that are valid", HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_flag,
|
|
{ "Flag", "icmpv6.opt.prefix.flag", FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_flag_l,
|
|
{ "On-link flag(L)", "icmpv6.opt.prefix.flag.l", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80,
|
|
"When set, indicates that this prefix can be used for on-link determination", HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_flag_a,
|
|
{ "Autonomous address-configuration flag(A)", "icmpv6.opt.prefix.flag.a", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40,
|
|
"When set indicates that this prefix can be used for stateless address configuration", HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_flag_r,
|
|
{ "Router address flag(R)", "icmpv6.opt.prefix.flag.r", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20,
|
|
"When set indicates that the Prefix field contains a complete IP address assigned to the sending router", HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_flag_reserved,
|
|
{ "Reserved", "icmpv6.opt.prefix.flag.reserved", FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_valid_lifetime,
|
|
{ "Valid Lifetime", "icmpv6.opt.prefix.valid_lifetime", FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"The length of time in seconds that the prefix is valid for the purpose of on-link determination", HFILL }},
|
|
{ &hf_icmpv6_opt_prefix_preferred_lifetime,
|
|
{ "Preferred Lifetime", "icmpv6.opt.prefix.preferred_lifetime", FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"The length of time in seconds that addresses generated from the prefix via stateless address autoconfiguration remain preferred", HFILL }},
|
|
{ &hf_icmpv6_opt_prefix,
|
|
{ "Prefix", "icmpv6.opt.prefix", FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
"An IP address or a prefix of an IP address", HFILL }},
|
|
{ &hf_icmpv6_opt_cga_pad_len,
|
|
{ "Pad Length", "icmpv6.opt.cga.pad_length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Pad Length (in bytes)", HFILL }},
|
|
{ &hf_icmpv6_opt_cga,
|
|
{ "CGA", "icmpv6.opt.cga", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_cga_modifier,
|
|
{ "Modifier", "icmpv6.opt.cga.modifier", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_cga_subnet_prefix,
|
|
{ "Subnet Prefix", "icmpv6.opt.cga.subnet_prefix", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_cga_count,
|
|
{ "Count", "icmpv6.opt.cga.count", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_cga_ext_type,
|
|
{ "Ext Type", "icmpv6.opt.cga.ext_type", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_cga_ext_length,
|
|
{ "Ext Length", "icmpv6.opt.cga.ext_length", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_cga_ext_data,
|
|
{ "Ext Data", "icmpv6.opt.cga.ext_data", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_rsa_key_hash,
|
|
{ "Key Hash", "icmpv6.opt.rsa.key_hash", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_digital_signature_padding,
|
|
{ "Digital Signature and Padding", "icmpv6.opt.digital_signature_padding", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"TO DO FIX ME !!", HFILL }},
|
|
{ &hf_icmpv6_opt_ps_key_hash,
|
|
{ "Key Hash", "icmpv6.opt.ps.key_hash", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_timestamp,
|
|
{ "Timestamp", "icmpv6.opt.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0,
|
|
"The value indicates the number of seconds since January 1, 1970, 00:00 UTC", HFILL }},
|
|
{ &hf_icmpv6_opt_nonce,
|
|
{ "Nonce", "icmpv6.opt.nonce", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"A field containing a random number selected by the sender of the solicitation message", HFILL }},
|
|
{ &hf_icmpv6_opt_certificate_padding,
|
|
{ "Certificate and Padding", "icmpv6.opt.certificate_padding", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_ipa_option_code,
|
|
{ "Option-code", "icmpv6.opt.ipa.option_code", FT_UINT8, BASE_DEC, VALS(nd_opt_ipa_option_code_val), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_ipa_prefix_len,
|
|
{ "Prefix Length", "icmpv6.opt.ipa.prefix_len", FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"That indicates the length of the IPv6 Address Prefix", HFILL }},
|
|
{ &hf_icmpv6_opt_ipa_ipv6_address,
|
|
{ "IPv6 Address", "icmpv6.opt.ipa.ipv6_address", FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
"The IP address/prefix defined by the Option-Code field", HFILL }},
|
|
{ &hf_icmpv6_opt_nrpi_option_code,
|
|
{ "Option-code", "icmpv6.opt.nrpi.option_code", FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_nrpi_prefix_len,
|
|
{ "Prefix Length", "icmpv6.opt.nrpi.prefix_len", FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"The number of leading bits in the Prefix that are valid", HFILL }},
|
|
{ &hf_icmpv6_opt_nrpi_prefix,
|
|
{ "Prefix", "icmpv6.opt.nrpi.prefix", FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
"An IP address or a prefix of an IP address", HFILL }},
|
|
{ &hf_icmpv6_opt_lla_option_code,
|
|
{ "Option-code", "icmpv6.opt.lla.option_code", FT_UINT8, BASE_DEC, VALS(nd_opt_lla_option_code_val), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_lla_bytes,
|
|
{ "Link-Layer Address", "icmpv6.opt.lla.bytes", FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
"(in Bytes Format)", HFILL }},
|
|
{ &hf_icmpv6_opt_naack_option_code,
|
|
{ "Option-Code", "icmpv6.opt.naack.option_code", FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_naack_status,
|
|
{ "Status", "icmpv6.opt.naack.status", FT_UINT8, BASE_DEC, VALS(nd_opt_naack_status_val), 0x00,
|
|
"Indicating the disposition of the Unsolicited Neighbor Advertisement message", HFILL }},
|
|
{ &hf_icmpv6_opt_naack_supplied_ncoa,
|
|
{ "Supplied NCoA", "icmpv6.opt.naack.supplied_ncoa", FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_map_dist,
|
|
{ "Distance", "icmpv6.opt.map.distance", FT_UINT8, BASE_DEC, NULL, 0xF0,
|
|
"Identifying the distance between MAP and the receiver of the advertisement (in the number of hops)", HFILL }},
|
|
{ &hf_icmpv6_opt_map_pref,
|
|
{ "Preference", "icmpv6.opt.map.preference", FT_UINT8, BASE_DEC, NULL, 0x0F,
|
|
"Used as an indicator of operator preference (Highest is better)", HFILL }},
|
|
{ &hf_icmpv6_opt_map_flag,
|
|
{ "Flag", "icmpv6.opt.map.flag", FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_map_flag_r,
|
|
{ "RCoA Flag", "icmpv6.opt.map.flag.r", FT_BOOLEAN, 8, NULL, 0x80,
|
|
"It indicates that the mobile node is allocated the RCoA by the MAP", HFILL }},
|
|
{ &hf_icmpv6_opt_map_flag_reserved,
|
|
{ "Reserved", "icmpv6.opt.map.flag.reserved", FT_UINT8, BASE_DEC, NULL, 0x7F,
|
|
"Must be 0", HFILL }},
|
|
{ &hf_icmpv6_opt_map_valid_lifetime,
|
|
{ "Valid Lifetime", "icmpv6.opt.map.valid_lifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"This value indicates the validity of the MAP's address and the RCoA.", HFILL }},
|
|
{ &hf_icmpv6_opt_map_global_address,
|
|
{ "Global Address", "icmpv6.opt.map.global_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"One of the MAP's global addresses", HFILL }},
|
|
{ &hf_icmpv6_opt_route_info_flag,
|
|
{ "Flag", "icmpv6.opt.route_info.flag", FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_route_info_flag_route_preference,
|
|
{ "Route Preference", "icmpv6.opt.route_info.flag.route_preference", FT_UINT8, BASE_DEC, VALS(nd_flag_router_pref), ND_RA_FLAG_RTPREF_MASK,
|
|
"The Route Preference indicates whether to prefer the router associated with this prefix over others", HFILL }},
|
|
{ &hf_icmpv6_opt_route_info_flag_reserved,
|
|
{ "Reserved", "icmpv6.opt.route_info.flag.reserved", FT_UINT8, BASE_DEC, NULL, ND_RA_FLAG_RESERV_MASK,
|
|
"Must be 0", HFILL }},
|
|
{ &hf_icmpv6_opt_route_lifetime,
|
|
{ "Route Lifetime", "icmpv6.opt.route_lifetime", FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"The length of time in seconds that the prefix is valid for the purpose of route determination", HFILL }},
|
|
{ &hf_icmpv6_opt_name_type,
|
|
{ "Name Type", "icmpv6.opt.name_type", FT_UINT8, BASE_DEC, VALS(icmpv6_option_name_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_name_x501,
|
|
{ "DER Encoded X.501 Name", "icmpv6.opt.name_x501", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_name_fqdn,
|
|
{ "FQDN", "icmpv6.opt.name_type.fqdn", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_cert_type,
|
|
{ "Cert Type", "icmpv6.opt.name_type", FT_UINT8, BASE_DEC, VALS(icmpv6_option_cert_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
/* RFC3971: SEcure Neighbor Discovery (SEND) */
|
|
{ &hf_icmpv6_send_identifier,
|
|
{ "Identifier", "icmpv6.send.identifier", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"An identifier to aid in matching with Request and Reply", HFILL }},
|
|
{ &hf_icmpv6_send_all_components,
|
|
{ "All Components", "icmpv6.send.all_components", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Inform the receiver of the number of certificates in the entire path", HFILL }},
|
|
{ &hf_icmpv6_send_component,
|
|
{ "Component", "icmpv6.send.component", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"If the field is set to 65,535 if the sender seeks to retrieve all certificates", HFILL }},
|
|
|
|
{ &hf_icmpv6_x509if_Name,
|
|
{ "Name", "icmpv6.x509_Name", FT_UINT32, BASE_DEC, VALS(x509if_Name_vals), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_x509af_Certificate,
|
|
{ "Certificate", "icmpv6.x509_Certificate", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_redirected_packet,
|
|
{ "Redirected Packet", "icmpv6.opt.redirected_packet", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_mtu,
|
|
{ "MTU", "icmpv6.opt.mtu", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The recommended MTU for the link", HFILL }},
|
|
{ &hf_icmpv6_opt_nbma_shortcut_limit,
|
|
{ "Shortcut Limit", "icmpv6.opt.nbma.shortcut_limit", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Hop limit for shortcut attempt", HFILL }},
|
|
{ &hf_icmpv6_opt_advertisement_interval,
|
|
{ "Advertisement Interval", "icmpv6.opt.advertisement_interval", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The maximum time (in milliseconds) between successive unsolicited Router Advertisement messages sent by this router on this network interface", HFILL }},
|
|
{ &hf_icmpv6_opt_home_agent_preference,
|
|
{ "Home Agent Preference", "icmpv6.opt.home_agent_preference", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The preference for the home agent sending this Router Advertisement", HFILL }},
|
|
{ &hf_icmpv6_opt_home_agent_lifetime,
|
|
{ "Home Agent Preference", "icmpv6.opt.home_agent_lifetime", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The lifetime associated with the home agent in units of seconds.", HFILL }},
|
|
{ &hf_icmpv6_opt_ipv6_address,
|
|
{ "IPv6 Address", "icmpv6.opt.ipv6_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"IPv6 addresses of the interface", HFILL }},
|
|
{ &hf_icmpv6_opt_rdnss_lifetime,
|
|
{ "Lifetime", "icmpv6.opt.rdnss.lifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_rdnss,
|
|
{ "Recursive DNS Servers", "icmpv6.opt.rdnss", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_efo,
|
|
{ "Flags Expansion Option", "icmpv6.opt.efo", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_efo_m,
|
|
{ "Managed address configuration", "icmpv6.opt.efo.m", FT_BOOLEAN, 16, TFS(&tfs_set_notset), FLAGS_EO_M,
|
|
"When set, it indicates that addresses are available via DHCPv6", HFILL }},
|
|
{ &hf_icmpv6_opt_efo_o,
|
|
{ "Other configuration", "icmpv6.opt.efo.o", FT_BOOLEAN, 16, TFS(&tfs_set_notset), FLAGS_EO_O,
|
|
"When set, it indicates that other configuration information is available via DHCPv6", HFILL }},
|
|
{ &hf_icmpv6_opt_efo_h,
|
|
{ "Home Agent", "icmpv6.opt.efo.h", FT_BOOLEAN, 16, TFS(&tfs_set_notset), FLAGS_EO_H,
|
|
"When set, it indicate that the router sending this Router Advertisement is also functioning as a Mobile IPv6 home agent on this link", HFILL }},
|
|
{ &hf_icmpv6_opt_efo_prf,
|
|
{ "Prf (Default Router Preference)", "icmpv6.opt.efo.prf", FT_UINT16, BASE_DEC, VALS(nd_flag_router_pref), FLAGS_EO_PRF,
|
|
"Indicates whether to prefer this router over other default routers", HFILL }},
|
|
{ &hf_icmpv6_opt_efo_p,
|
|
{ "Proxy", "icmpv6.opt.efo.p", FT_BOOLEAN, 16, TFS(&tfs_set_notset), FLAGS_EO_P,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_efo_rsv,
|
|
{ "Reserved", "icmpv6.opt.efo.rsv", FT_UINT16, BASE_DEC, NULL, FLAGS_EO_RSV,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_opt_hkr_pad_length,
|
|
{ "Pad Length", "icmpv6.opt.hkr.pad_length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The number of padding octets beyond the end of the Handover Key", HFILL }},
|
|
{ &hf_icmpv6_opt_hkr_at,
|
|
{ "AT", "icmpv6.opt.hkr.at", FT_UINT8, BASE_DEC, NULL, 0xF0,
|
|
"The algorithm type field describing the algorithm used by FMIPv6 to calculate the authenticator", HFILL }},
|
|
{ &hf_icmpv6_opt_hkr_reserved,
|
|
{ "Reserved", "icmpv6.opt.hkr.reserved", FT_UINT8, BASE_DEC, NULL, 0x0F,
|
|
"Reserved (Must be Zero)", HFILL }},
|
|
{ &hf_icmpv6_opt_hkr_encryption_public_key,
|
|
{ "Handover Key Encryption Public Key", "icmpv6.opt.hkr.encryption_public_key", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_hkr_padding,
|
|
{ "Padding", "icmpv6.opt.hkr.padding", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"A variable-length field making the option length a multiple of 8", HFILL }},
|
|
{ &hf_icmpv6_opt_hkr_lifetime,
|
|
{ "Padding", "icmpv6.opt.hkr.lifetime", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Lifetime of the handover key (in seconds)", HFILL }},
|
|
{ &hf_icmpv6_opt_hkr_encrypted_handover_key,
|
|
{ "Encrypted Handover Key", "icmpv6.opt.hkr.encrypted_handover_key", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"The shared handover key, encrypted with the MN's handover key encryption public key", HFILL }},
|
|
{ &hf_icmpv6_opt_hai_option_code,
|
|
{ "Option-Code", "icmpv6.opt.hai.option_code", FT_UINT8, BASE_DEC, VALS(nd_opt_hai_option_code_val), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_hai_length,
|
|
{ "HAI-Length", "icmpv6.opt.hai.length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The size of the HAI-Value field in octets", HFILL }},
|
|
{ &hf_icmpv6_opt_hai_value,
|
|
{ "HAI-Value", "icmpv6.opt.hai.value", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"The value specified by the Option-Code", HFILL }},
|
|
{ &hf_icmpv6_opt_mn_option_code,
|
|
{ "Option-Code", "icmpv6.opt.mn.option_code", FT_UINT8, BASE_DEC, VALS(nd_opt_mn_option_code_val), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_mn_length,
|
|
{ "MN-Length", "icmpv6.opt.mn.length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The size of the MN-Value field in octets", HFILL }},
|
|
{ &hf_icmpv6_opt_mn_value,
|
|
{ "MN-Value", "icmpv6.opt.mn.value", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"The value specified by the Option-Code", HFILL }},
|
|
{ &hf_icmpv6_opt_dnssl_lifetime,
|
|
{ "Lifetime", "icmpv6.opt.dnssl.lifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_dnssl,
|
|
{ "Domain Names", "icmpv6.opt.dnssl", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_aro_status,
|
|
{ "Status", "icmpv6.opt.aro.status", FT_UINT8, BASE_DEC, VALS(nd_opt_6lowpannd_status_val), 0x00,
|
|
"Indicates the status of a registration in the NA response", HFILL }},
|
|
{ &hf_icmpv6_opt_aro_registration_lifetime,
|
|
{ "Registration Lifetime", "icmpv6.opt.aro.registration_lifetime", FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"The amount of time (in a unit of 60 seconds) that the router should retain the Neighbor Cache entry", HFILL }},
|
|
{ &hf_icmpv6_opt_aro_eui64,
|
|
{ "EUI-64", "icmpv6.opt.aro.eui64", FT_EUI64, BASE_NONE, NULL, 0x00,
|
|
"This field is used to uniquely identify the interface of the registered address", HFILL }},
|
|
{ &hf_icmpv6_opt_6co_context_length,
|
|
{ "Context Length", "icmpv6.opt.6co.context_length", FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"The number of leading bits in the Context Prefix field that are valid", HFILL }},
|
|
{ &hf_icmpv6_opt_6co_flag,
|
|
{ "Flag", "icmpv6.opt.6co.flag", FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_6co_flag_c,
|
|
{ "Compression Flag", "icmpv6.opt.6co.flag.c", FT_BOOLEAN, 8, TFS(&tfs_set_notset), ND_OPT_6CO_FLAG_C,
|
|
"This flag indicates if the context is valid for use in compression", HFILL }},
|
|
{ &hf_icmpv6_opt_6co_flag_cid,
|
|
{ "CID", "icmpv6.opt.6co.flag.cid", FT_UINT8, BASE_DEC, NULL, ND_OPT_6CO_FLAG_CID,
|
|
"Context Identifier for this prefix information", HFILL }},
|
|
{ &hf_icmpv6_opt_6co_flag_reserved,
|
|
{ "Reserved", "icmpv6.opt.6co.flag.reserved", FT_UINT8, BASE_DEC, NULL, ND_OPT_6CO_FLAG_RESERVED,
|
|
"Must be zero", HFILL }},
|
|
{ &hf_icmpv6_opt_6co_valid_lifetime,
|
|
{ "Lifetime", "icmpv6.opt.6co.valid_lifetime", FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"The length of time in a unit of 60 seconds that the context is valid for the purpose of header compression or decompression", HFILL }},
|
|
{ &hf_icmpv6_opt_6co_context_prefix,
|
|
{ "Context Prefix", "icmpv6.opt.6co.context_prefix", FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
"The IPv6 prefix or address corresponding to the Context ID (CID) field", HFILL }},
|
|
{ &hf_icmpv6_opt_abro_version_low,
|
|
{ "Version Low", "icmpv6.opt.abro.version_low", FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"The version number low (the least significant 16 bits) corresponding to this set of information contained in the RA message", HFILL }},
|
|
{ &hf_icmpv6_opt_abro_version_high,
|
|
{ "Version", "icmpv6.opt.abro.version_high", FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"The version number high (most significant 16 bits) corresponding to this set of information contained in the RA message", HFILL }},
|
|
{ &hf_icmpv6_opt_abro_valid_lifetime,
|
|
{ "Valid Lifetime", "icmpv6.opt.abro.valid_lifetime", FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"The length of time in a unit of 60 seconds (relative to the time the packet is received) that this set of border router information is valid.", HFILL }},
|
|
{ &hf_icmpv6_opt_abro_6lbr_address,
|
|
{ "6LBR Address", "icmpv6.opt.abro.6lbr_address", FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
"IPv6 address of the 6LBR that is the origin of the included version number", HFILL }},
|
|
{ &hf_icmpv6_opt_6cio_unassigned1,
|
|
{ "Unassigned", "icmpv6.opt.6cio.unassigned1", FT_UINT16, BASE_HEX, NULL, ND_OPT_6CIO_FLAG_UNASSIGNED,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_6cio_flag_g,
|
|
{ "G", "icmpv6.opt.6cio.flag_g", FT_UINT16, BASE_HEX, NULL, ND_OPT_6CIO_FLAG_G,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_opt_6cio_unassigned2,
|
|
{ "Unassigned", "icmpv6.opt.6cio.unassigned2", FT_UINT32, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
|
|
/* RFC2710: Multicast Listener Discovery for IPv6 */
|
|
{ &hf_icmpv6_mld_mrd,
|
|
{ "Maximum Response Delay [ms]", "icmpv6.mld.maximum_response_delay", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Specifies the maximum allowed delay before sending a responding Report, in units of milliseconds", HFILL }},
|
|
{ &hf_icmpv6_mld_multicast_address,
|
|
{ "Multicast Address", "icmpv6.mld.multicast_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"Specific IPv6 multicast address", HFILL }},
|
|
/* RFC 2894: Router Renumbering for IPv6 */
|
|
{ &hf_icmpv6_rr_sequencenumber,
|
|
{ "Sequence Number", "icmpv6.rr.sequence_number", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The sequence number MUST be non-decreasing between Sequence Number Resets", HFILL }},
|
|
{ &hf_icmpv6_rr_segmentnumber,
|
|
{ "Segment Number", "icmpv6.rr.segment_number", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Enumerates different valid RR messages having the same Sequence Number", HFILL }},
|
|
{ &hf_icmpv6_rr_flag,
|
|
{ "Flags", "icmpv6.rr.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"Five are defined and three bits are reserved", HFILL }},
|
|
{ &hf_icmpv6_rr_flag_t,
|
|
{ "Test Command", "icmpv6.rr.flag.t", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RR_FLAG_T,
|
|
"Indicates a Test message: processing is to be simulated and no configuration changes are to be made", HFILL }},
|
|
{ &hf_icmpv6_rr_flag_r,
|
|
{ "Result requested", "icmpv6.rr.flag.r", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RR_FLAG_R,
|
|
"Indicates that the router send a Result message upon completion of processing the Command message", HFILL }},
|
|
{ &hf_icmpv6_rr_flag_a,
|
|
{ "All Interfaces", "icmpv6.rr.flag.a", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RR_FLAG_A,
|
|
"Indicates that the Command be applied to all interfaces regardless of administrative shutdown status", HFILL }},
|
|
{ &hf_icmpv6_rr_flag_s,
|
|
{ "Site-specific", "icmpv6.rr.flag.s", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RR_FLAG_S,
|
|
"Indicates that the Command be applied only to interfaces which belong to the same site as the interface to which the Command is addressed", HFILL }},
|
|
{ &hf_icmpv6_rr_flag_p,
|
|
{ "Processed previously", "icmpv6.rr.flag.p", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RR_FLAG_P,
|
|
"Indicates that the Command message was previously processed (and is not a Test) and the responding router is not processing it again", HFILL }},
|
|
{ &hf_icmpv6_rr_flag_rsv,
|
|
{ "Reserved", "icmpv6.rr.flag.rsv", FT_UINT8, BASE_DEC, NULL, RR_FLAG_RSV,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_rr_maxdelay,
|
|
{ "Max Delay", "icmpv6.rr.maxdelay", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Specifying the maximum time (in milliseconds) by which a router MUST delay sending any reply to this Command", HFILL }},
|
|
|
|
{ &hf_icmpv6_rr_pco_mp_part,
|
|
{ "Match-Prefix Part", "icmpv6.rr.pco.mp", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_pco_mp_opcode,
|
|
{ "OpCode", "icmpv6.rr.pco.mp.opcode", FT_UINT8, BASE_DEC, VALS(rr_pco_mp_opcode_val), 0x0,
|
|
"Specifying the operation to be performed when the associated MatchPrefix matches an interface's prefix or address", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_mp_oplength,
|
|
{ "OpLength", "icmpv6.rr.pco.mp.oplength", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The total length of this Prefix Control Operation (in units of 8 octets)", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_mp_ordinal,
|
|
{ "Ordinal", "icmpv6.rr.pco.mp.ordinal", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"The value is otherwise unconstrained", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_mp_matchlen,
|
|
{ "MatchLen", "icmpv6.rr.pco.mp.matchlen", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Between 0 and 128 inclusive specifying the number of initial bits of MatchPrefix which are significant in matching", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_mp_minlen,
|
|
{ "MinLen", "icmpv6.rr.pco.mp.minlen", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Specifying the minimum length which any configured prefix must have in order to be eligible for testing against the MatchPrefix", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_mp_maxlen,
|
|
{ "MaxLen", "icmpv6.rr.pco.mp.maxlen", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Specifying the maximum length which any configured prefix must have in order to be eligible for testing against the MatchPrefix", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_mp_matchprefix,
|
|
{ "MatchPrefix", "icmpv6.rr.pco.mp.matchprefix", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The 128-bit prefix to be compared with each interface's prefix or address", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_part,
|
|
{ "Use-Prefix Part", "icmpv6.rr.pco.up", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_uselen,
|
|
{ "UseLen", "icmpv6.rr.pco.up.uselen", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"specifying the number of initial bits of UsePrefix to use in creating a new prefix for an interface", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_keeplen,
|
|
{ "KeepLen", "icmpv6.rr.pco.up.keeplen", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Specifying the number of bits of the prefix or address which matched the associated Match-Prefix which should be retained in the new prefix", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_flagmask,
|
|
{ "FlagMask", "icmpv6.rr.pco.up.flagmask", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"A 1 bit in any position means that the corresponding flag bit in a Router Advertisement (RA) Prefix Information Option for the New Prefix should be set from the RAFlags field in this Use-Prefix Part", HFILL }},
|
|
|
|
{ &hf_icmpv6_rr_pco_up_flagmask_l,
|
|
{ "On-link flag(L)", "icmpv6.rr.pco.up.flagmask.l", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80,
|
|
"When set, indicates the On-link (L) flag bit in a Router Advertisement (RA) Prefix Information Option for the New Prefix should be set from the RAFlags field in this Use-Prefix Part", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_flagmask_a,
|
|
{ "Autonomous address-configuration flag(A)", "icmpv6.rr.pco.up.flagmask.a", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40,
|
|
"When set, indicates the Autonomous address-configuration (A) flag bit in a Router Advertisement (RA) Prefix Information Option for the New Prefix should be set from the RAFlags field in this Use-Prefix Part", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_flagmask_reserved,
|
|
{ "Reserved", "icmpv6.rr.pco.up.flagmask.reserved", FT_UINT8, BASE_DEC, NULL, 0x3f,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_raflags,
|
|
{ "RAFlags", "icmpv6.rr.pco.up.raflags", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"Under control of the FlagMask field, may be used to initialize the flags in Router Advertisement Prefix Information Options which advertise the New Prefix", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_raflags_l,
|
|
{ "On-link flag(L)", "icmpv6.rr.pco.up.flagmask.l", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x80,
|
|
"When set, indicates that this prefix can be used for on-link determination", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_raflags_a,
|
|
{ "Autonomous address-configuration flag(A)", "icmpv6.rr.pco.up.flagmask.a", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40,
|
|
"When set indicates that this prefix can be used for stateless address configuration", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_raflags_reserved,
|
|
{ "Reserved", "icmpv6.rr.pco.up.flagmask.reserved", FT_UINT8, BASE_DEC, NULL, 0x3f,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_validlifetime,
|
|
{ "Valid Lifetime", "icmpv6.rr.pco.up.validlifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The number of seconds for which the New Prefix will be valid", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_preferredlifetime,
|
|
{ "Preferred Lifetime", "icmpv6.rr.pco.up.preferredlifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The number of seconds for which the New Prefix will be preferred", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_flag,
|
|
{ "Flags", "icmpv6.rr.pco.up.flag", FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_flag_v,
|
|
{ "Decrement valid lifetime", "icmpv6.rr.pco.up.flag.v", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x80000000,
|
|
"When set, indicating that the valid lifetime of the New Prefix MUST be effectively decremented in real time", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_flag_p,
|
|
{ "Decrement preferred lifetime", "icmpv6.rr.pco.up.flag.p", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x40000000,
|
|
"When set, indicating that the preferred lifetime of the New Prefix MUST be effectively decremented in real time", HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_flag_reserved,
|
|
{ "Reserved", "icmpv6.rr.pco.up.flag.reserved", FT_UINT32, BASE_DEC, NULL, 0x3FFFFFFF,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_pco_up_useprefix,
|
|
{ "UsePrefix", "icmpv6.rr.pco.up.useprefix", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The 128-bit Use-prefix which either becomes or is used in forming (if KeepLen is nonzero) the New Prefix", HFILL }},
|
|
{ &hf_icmpv6_rr_rm,
|
|
{ "Result Message", "icmpv6.rr.rm", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_rm_flag,
|
|
{ "Flags", "icmpv6.rr.rm.flag", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rr_rm_flag_b,
|
|
{ "Bounds", "icmpv6.rr.rm.flag.b", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x0002,
|
|
"When set, indicates that one or more fields in the associated PCO were out of bounds", HFILL }},
|
|
{ &hf_icmpv6_rr_rm_flag_f,
|
|
{ "Forbidden", "icmpv6.rr.rm.flag.f", FT_BOOLEAN, 16, TFS(&tfs_set_notset), 0x0001,
|
|
"When set, indicates that one or more Use-Prefix parts from the associated PCO were not honored by the router because of attempted formation of a forbidden prefix format, such as a multicast or loopback address", HFILL }},
|
|
{ &hf_icmpv6_rr_rm_flag_reserved,
|
|
{ "Reserved", "icmpv6.rr.rm.flag.reserved", FT_UINT16, BASE_DEC, NULL, 0xFFFC,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_rr_rm_ordinal,
|
|
{ "Ordinal", "icmpv6.rr.rm.ordinal", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"The value is otherwise unconstrained", HFILL }},
|
|
{ &hf_icmpv6_rr_rm_matchedlen,
|
|
{ "MatchedLen", "icmpv6.rr.rm.matchedlen", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The length of the Matched Prefix", HFILL }},
|
|
{ &hf_icmpv6_rr_rm_interfaceindex,
|
|
{ "InterfaceIndex", "icmpv6.rr.rm.interfaceindex", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The router's numeric designation of the interface on which the MatchedPrefix was configured", HFILL }},
|
|
{ &hf_icmpv6_rr_rm_matchedprefix,
|
|
{ "MatchedPrefix", "icmpv6.rr.rm.matchedprefix", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The 128 Bits MatchedPrefix", HFILL }},
|
|
|
|
/* RFC3775/6275: Mobility Support in IPv6 */
|
|
{ &hf_icmpv6_mip6_identifier,
|
|
{ "Identifier", "icmpv6.mip6.identifier", FT_UINT16, BASE_DEC_HEX, NULL, 0x0,
|
|
"An identifier to aid in matching with Request and Reply", HFILL }},
|
|
{ &hf_icmpv6_mip6_home_agent_address,
|
|
{ "Home Agent Address", "icmpv6.mip6.home_agent_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"A list of addresses of home agents on the home link for the mobile node", HFILL }},
|
|
{ &hf_icmpv6_mip6_flag,
|
|
{ "Flags", "icmpv6.mip6.flag", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_mip6_flag_m,
|
|
{ "Managed address configuration", "icmpv6.mip6.flag.m", FT_BOOLEAN, 16, TFS(&tfs_set_notset), FLAGS_EO_M,
|
|
"When set, it indicates that addresses are available via DHCPv6", HFILL }},
|
|
{ &hf_icmpv6_mip6_flag_o,
|
|
{ "Other configuration", "icmpv6.mip6.flag.o", FT_BOOLEAN, 16, TFS(&tfs_set_notset), FLAGS_EO_O,
|
|
"When set, it indicates that other configuration information is available via DHCPv6", HFILL }},
|
|
{ &hf_icmpv6_mip6_flag_rsv,
|
|
{ "Reserved", "icmpv6.mip6.flag.rsv", FT_UINT16, BASE_DEC, NULL, 0x2FFF,
|
|
"Must be Zero", HFILL }},
|
|
|
|
/* RFC3810: Multicast Listener Discovery Version 2 (MLDv2) for IPv6 */
|
|
{ &hf_icmpv6_mld_mrc,
|
|
{ "Maximum Response Code", "icmpv6.mld.maximum_response_code", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Specifies the maximum allowed delay before sending a responding Report", HFILL }},
|
|
{ &hf_icmpv6_mld_flag,
|
|
{ "Flags", "icmpv6.mld.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_mld_flag_s,
|
|
{ "Suppress Router-Side Processing", "icmpv6.mld.flag.s", FT_BOOLEAN, 8, NULL, MLD_FLAG_S,
|
|
"Indicates to any receiving multicast routers that they have to suppress the normal timer updates they perform upon hearing a Query", HFILL }},
|
|
{ &hf_icmpv6_mld_flag_qrv,
|
|
{ "QRV (Querier's Robustness Variable)", "icmpv6.mld.flag.qrv", FT_UINT8, BASE_DEC, NULL, MLD_FLAG_QRV,
|
|
"Contains the RV (Robustness Variable) value used by the Querier", HFILL }},
|
|
{ &hf_icmpv6_mld_flag_rsv,
|
|
{ "Reserved", "icmpv6.mld.flag.reserved", FT_UINT8, BASE_DEC, NULL, MLD_FLAG_RSV,
|
|
"Must Be Zero", HFILL }},
|
|
{ &hf_icmpv6_mld_qqi,
|
|
{ "QQIC (Querier's Query Interval Code)", "icmpv6.mld.qqi", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Specifies the QI (Query Interval) used by the Querier", HFILL }},
|
|
{ &hf_icmpv6_mld_nb_sources,
|
|
{ "Number of Sources", "icmpv6.mld.nb_sources", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Specifies how many source addresses are present in the Query", HFILL }},
|
|
{ &hf_icmpv6_mld_source_address,
|
|
{ "Source Address", "icmpv6.mld.source_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The Source Address fields are a vector of unicast addresses", HFILL }},
|
|
{ &hf_icmpv6_mldr_nb_mcast_records,
|
|
{ "Number of Multicast Address Records", "icmpv6.mldr.nb_mcast_records", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Specifies how many Multicast Address Records are present in this Report", HFILL }},
|
|
{ &hf_icmpv6_mldr_mar,
|
|
{ "Multicast Address Record", "icmpv6.mldr.mar", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Each Multicast Address Record is a block of fields that contain information on the sender listening to a single multicast address on the interface from which the Report is sent", HFILL }},
|
|
{ &hf_icmpv6_mldr_mar_record_type,
|
|
{ "Record Type", "icmpv6.mldr.mar.record_type", FT_UINT8, BASE_DEC, VALS(mldr_record_type_val), 0x0,
|
|
"It specifies the type of the Multicast Address Record", HFILL }},
|
|
{ &hf_icmpv6_mldr_mar_aux_data_len,
|
|
{ "Aux Data Len", "icmpv6.mldr.mar.aux_data_len", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The Aux Data Len field contains the length (in units of 32-bit words) of the Auxiliary Data Field in this Multicast Address Record", HFILL }},
|
|
{ &hf_icmpv6_mldr_mar_nb_sources,
|
|
{ "Number of Sources", "icmpv6.mldr.mar.nb_sources", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The Number of Sources field specifies how many source addresses are present in this Multicast Address Record", HFILL }},
|
|
{ &hf_icmpv6_mldr_mar_multicast_address,
|
|
{ "Multicast Address", "icmpv6.mldr.mar.multicast_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The Multicast Address field contains the multicast address to which this Multicast Address Record pertains", HFILL }},
|
|
{ &hf_icmpv6_mldr_mar_source_address,
|
|
{ "Source Address", "icmpv6.mldr.mar.source_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"The Source Address fields are a vector of unicast addresses", HFILL }},
|
|
{ &hf_icmpv6_mldr_mar_auxiliary_data,
|
|
{ "Auxiliary Data", "icmpv6.mldr.mar.auxiliary_data", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Contains additional information that pertain to this Multicast Address Record", HFILL }},
|
|
/* RFC 4068/5268/5568: Fast Handovers for Mobile IPv6 ( Mobile IPv6 Fast Handovers ) */
|
|
{ &hf_icmpv6_fmip6_subtype,
|
|
{ "Subtype", "icmpv6.fmip6.subtype", FT_UINT8, BASE_DEC, VALS(fmip6_subtype_val), 0x0,
|
|
"Designates the Subtype of information", HFILL }},
|
|
{ &hf_icmpv6_fmip6_hi_flag,
|
|
{ "Flag", "icmpv6.fmip6.hi.flag", FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_fmip6_hi_flag_s,
|
|
{ "Assigned address configuration", "icmpv6.fmip6.hi.flag.s", FT_BOOLEAN, 8, TFS(&tfs_set_notset), FMIP6_HI_FLAG_S,
|
|
"When set, this message requests a new CoA to be returned by the destination", HFILL }},
|
|
{ &hf_icmpv6_fmip6_hi_flag_u,
|
|
{ "Buffer", "icmpv6.fmip6.hi.flag.a", FT_BOOLEAN, 8, TFS(&tfs_set_notset), FMIP6_HI_FLAG_U,
|
|
"When set, the destination SHOULD buffer any packets toward the node indicated in the options of this message", HFILL }},
|
|
{ &hf_icmpv6_fmip6_hi_flag_reserved,
|
|
{ "Reserved", "icmpv6.fmip6.hi.flag.reserved", FT_UINT8, BASE_DEC, NULL, FMIP6_HI_FLAG_RSV,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_fmip6_identifier,
|
|
{ "Identifier", "icmpv6.fmip6.identifier", FT_UINT16, BASE_DEC_HEX, NULL, 0x0,
|
|
"An identifier to aid in matching with Request and Reply", HFILL }},
|
|
|
|
/* RFC 4286: Multicast Router Discovery */
|
|
{ &hf_icmpv6_mcast_ra_query_interval,
|
|
{ "Query Interval", "icmpv6.mcast_ra.query_interval", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The Query Interval value (in seconds) in use by MLD on the interface.", HFILL }},
|
|
{ &hf_icmpv6_mcast_ra_robustness_variable,
|
|
{ "Robustness Variable", "icmpv6.mcast_ra.robustness_variable", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The Robustness Variable in use by MLD on the advertising interface", HFILL }},
|
|
|
|
/* RFC 4620: IPv6 Node Information Queries */
|
|
{ &hf_icmpv6_ni_qtype,
|
|
{ "Qtype", "icmpv6.ni.qtype", FT_UINT16, BASE_DEC, VALS(ni_qtype_val), 0x0,
|
|
"Designates the type of information", HFILL }},
|
|
{ &hf_icmpv6_ni_flag,
|
|
{ "Flags", "icmpv6.ni.flag", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"Qtype-specific flags that may be defined for certain Query types and their Replies", HFILL }},
|
|
{ &hf_icmpv6_ni_flag_g,
|
|
{ "Global-scope addresses", "icmpv6.ni.flag.g", FT_BOOLEAN, 16, TFS(&tfs_set_notset), NI_FLAG_G,
|
|
"Global-scope addresses are requested", HFILL }},
|
|
{ &hf_icmpv6_ni_flag_s,
|
|
{ "Site-local addresses", "icmpv6.ni.flag.s", FT_BOOLEAN, 16, TFS(&tfs_set_notset), NI_FLAG_S,
|
|
"Site-local addresses are requested", HFILL }},
|
|
{ &hf_icmpv6_ni_flag_l,
|
|
{ "Link-local addresses", "icmpv6.ni.flag.l", FT_BOOLEAN, 16, TFS(&tfs_set_notset), NI_FLAG_L,
|
|
"Link-local addresses are requested", HFILL }},
|
|
{ &hf_icmpv6_ni_flag_c,
|
|
{ "Compression", "icmpv6.ni.flag.c", FT_BOOLEAN, 16, TFS(&tfs_set_notset), NI_FLAG_C,
|
|
"IPv4-compatible (now deprecated) and IPv4-mapped addresses are requested", HFILL }},
|
|
{ &hf_icmpv6_ni_flag_a,
|
|
{ "Unicast Addresses", "icmpv6.ni.flag.a", FT_BOOLEAN, 16, TFS(&tfs_ni_flag_a), NI_FLAG_A,
|
|
"Responder's unicast addresses", HFILL }},
|
|
{ &hf_icmpv6_ni_flag_t,
|
|
{ "Truncated", "icmpv6.ni.flag.t", FT_BOOLEAN, 16, TFS(&tfs_set_notset), NI_FLAG_T,
|
|
"Defined in a Reply only, indicates that the set of addresses is incomplete for space reasons", HFILL }},
|
|
{ &hf_icmpv6_ni_flag_rsv,
|
|
{ "Reserved", "icmpv6.ni.flag.rsv", FT_UINT16, BASE_HEX, NULL, NI_FLAG_RSV,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_ni_nonce,
|
|
{ "Nonce", "icmpv6.ni.nonce", FT_UINT64, BASE_HEX, NULL, 0x0,
|
|
"An opaque 64-bit field", HFILL }},
|
|
{ &hf_icmpv6_ni_query_subject_ipv6,
|
|
{ "IPv6 subject address", "icmpv6.ni.query.subject_ipv6", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_ni_query_subject_fqdn,
|
|
{ "FQDN subject", "icmpv6.ni.query.subject_fqdn", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_ni_query_subject_ipv4,
|
|
{ "IPv4 subject address", "icmpv6.ni.query.subject_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_ni_reply_node_ttl,
|
|
{ "TTL", "icmpv6.ni.reply.node_ttl", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_ni_reply_node_name,
|
|
{ "Name Node", "icmpv6.ni.reply.node_name", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_ni_reply_node_address,
|
|
{ "IPv6 Node address", "icmpv6.ni.reply.node_address", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_ni_reply_ipv4_address,
|
|
{ "IPv4 Node address", "icmpv6.ni.reply.ipv4_address", FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
/* RPL: RFC 6550 : Routing over Low-Power and Lossy Networks. */
|
|
{ &hf_icmpv6_rpl_dis_flag,
|
|
{ "Flags", "icmpv6.rpl.dis.flags", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"8-bit unused field reserved for flags", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_instance,
|
|
{ "RPLInstanceID", "icmpv6.rpl.dio.instance", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Set by the DODAG root that indicates which RPL Instance the DODAG is part of", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_version,
|
|
{ "Version", "icmpv6.rpl.dio.version", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Set by the DODAG root to the DODAGVersionNumber", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_rank,
|
|
{ "Rank", "icmpv6.rpl.dio.rank", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Indicating the DODAG rank of the node sending the DIO message", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_flag,
|
|
{ "Flags", "icmpv6.rpl.dio.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_flag_g,
|
|
{ "Grounded (G)", "icmpv6.rpl.dio.flag.g", FT_BOOLEAN, 8, NULL, RPL_DIO_FLAG_G,
|
|
"Indicates whether the DODAG advertised can satisfy the application-defined goal", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_flag_0,
|
|
{ "Zero", "icmpv6.rpl.dio.flag.0", FT_BOOLEAN, 8, NULL, RPL_DIO_FLAG_0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_flag_mop,
|
|
{ "Mode of Operation (MOP)", "icmpv6.rpl.dio.flag.mop", FT_UINT8, BASE_HEX, VALS(rpl_dio_map_val), RPL_DIO_FLAG_MOP,
|
|
"Identifies the mode of operation of the RPL Instance as administratively provisioned at and distributed by the DODAG Root", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_flag_prf,
|
|
{ "DODAG Preference", "icmpv6.rpl.dio.flag.preference", FT_UINT8, BASE_DEC, NULL, RPL_DIO_FLAG_PRF,
|
|
"Defines how preferable the root of this DODAG is compared to other DODAG roots within the instance", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_dtsn,
|
|
{ "Destination Advertisement Trigger Sequence Number (DTSN)", "icmpv6.rpl.dio.dtsn", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The DTSN is used as part of the procedure to maintain downward routes.", HFILL }},
|
|
{ &hf_icmpv6_rpl_dio_dagid,
|
|
{ "DODAGID", "icmpv6.rpl.dio.dagid", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"IPv6 address set by a DODAG root which uniquely identifies a DODAG", HFILL }},
|
|
{ &hf_icmpv6_rpl_dao_instance,
|
|
{ "RPLInstanceID", "icmpv6.rpl.dao.instance", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Indicating the topology instance associated with the DODAG as learned from the DIO", HFILL }},
|
|
{ &hf_icmpv6_rpl_dao_flag,
|
|
{ "Flags", "icmpv6.rpl.dao.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_dao_flag_k,
|
|
{ "DAO-ACK Request (K)", "icmpv6.rpl.dao.flag.k", FT_BOOLEAN, 8, NULL, RPL_DAO_FLAG_K,
|
|
"Indicates that the recipient is expected to send a DAO-ACK back", HFILL }},
|
|
{ &hf_icmpv6_rpl_dao_flag_d,
|
|
{ "DODAGID Present (D)", "icmpv6.rpl.dao.flag.d", FT_BOOLEAN, 8, NULL, RPL_DAO_FLAG_D,
|
|
"Indicates that the DODAGID field is present", HFILL }},
|
|
{ &hf_icmpv6_rpl_dao_flag_rsv,
|
|
{ "Reserved", "icmpv6.rpl.dao.flag.rsv", FT_UINT8, BASE_DEC, NULL, RPL_DAO_FLAG_RESERVED,
|
|
"Must be zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_dao_sequence,
|
|
{ "DAO Sequence", "icmpv6.rpl.dao.sequence", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Incremented at each unique DAO message from a node and echoed in the DAO-ACK message", HFILL }},
|
|
{ &hf_icmpv6_rpl_dao_dodagid,
|
|
{ "DODAGID", "icmpv6.rpl.dao.dodagid", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"IPv6 address set by a DODAG root which uniquely identifies a DODAG", HFILL }},
|
|
{ &hf_icmpv6_rpl_daoack_instance,
|
|
{ "RPLInstanceID", "icmpv6.rpl.daoack.instance", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Indicating the topology instance associated with the DODAG, as learned from the DIO", HFILL }},
|
|
{ &hf_icmpv6_rpl_daoack_flag,
|
|
{ "Flag", "icmpv6.rpl.daoack.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_daoack_flag_d,
|
|
{ "DODAGID Present (D)", "icmpv6.rpl.daoack.flag.d", FT_BOOLEAN, 8, NULL, RPL_DAOACK_FLAG_D,
|
|
"Indicates that the DODAGID field is present", HFILL }},
|
|
{ &hf_icmpv6_rpl_daoack_flag_rsv,
|
|
{ "Reserved", "icmpv6.rpl.daoack.flag.rsv", FT_UINT8, BASE_DEC, NULL, RPL_DAOACK_FLAG_RESERVED,
|
|
"Must be zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_daoack_sequence,
|
|
{ "DAO-ACK Sequence", "icmpv6.rpl.daoack.sequence", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Incremented at each DAO message from a node, and echoed in the DAO-ACK by the recipient", HFILL }},
|
|
{ &hf_icmpv6_rpl_daoack_status,
|
|
{ "Status", "icmpv6.rpl.daoack.status", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Indicates the completion", HFILL }},
|
|
{ &hf_icmpv6_rpl_daoack_dodagid,
|
|
{ "DODAGID", "icmpv6.rpl.daoack.dodagid", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"IPv6 address integer set by a DODAG root which uniquely identifies a DODAG", HFILL }},
|
|
{ &hf_icmpv6_rpl_cc_instance,
|
|
{ "RPLInstanceID", "icmpv6.rpl.cc.instance", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Indicating the topology instance associated with the DODAG, as learned from the DIO", HFILL }},
|
|
{ &hf_icmpv6_rpl_cc_flag,
|
|
{ "Flag", "icmpv6.rpl.cc.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_cc_flag_r,
|
|
{ "Response (R)", "icmpv6.rpl.cc.flag.r", FT_BOOLEAN, 8, NULL, RPL_CC_FLAG_R,
|
|
"Indicates whether the CC message is a response", HFILL }},
|
|
{ &hf_icmpv6_rpl_cc_flag_rsv,
|
|
{ "Reserved", "icmpv6.rpl.cc.flag.rsv", FT_UINT8, BASE_DEC, NULL, RPL_CC_FLAG_RESERVED,
|
|
"Must be zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_cc_nonce,
|
|
{ "CC Nonce", "icmpv6.rpl.cc.nonce", FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
"The corresponding CC response includes the same CC nonce value as the request, as learned from the DIO", HFILL }},
|
|
{ &hf_icmpv6_rpl_cc_dodagid,
|
|
{ "DODAGID", "icmpv6.rpl.cc.dodagid", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"IPv6 address integer set by a DODAG root which uniquely identifies a DODAG", HFILL }},
|
|
{ &hf_icmpv6_rpl_cc_destination_counter,
|
|
{ "Destination Counter", "icmpv6.rpl.cc.destination_counter", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Indicating the sender's estimate of the destination's current security Counter value", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_flag,
|
|
{ "Flags", "icmpv6.rpl.secure.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_flag_t,
|
|
{ "Counter is Time (T)", "icmpv6.rpl.secure.flag.t", FT_BOOLEAN, 8, NULL, RPL_SECURE_FLAG_T,
|
|
"If it is set then the Counter field is a timestamp", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_flag_rsv,
|
|
{ "Reserved", "icmpv6.rpl.secure.flag.rsv", FT_UINT8, BASE_DEC, NULL, RPL_SECURE_FLAG_RSV,
|
|
"Must be zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_algorithm,
|
|
{ "Algorithm", "icmpv6.rpl.secure.algorithm", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The Security Algorithm field specifies the encryption, MAC, and signature scheme the network uses", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_algorithm_encryption,
|
|
{ "Algorithm (Encryption)", "icmpv6.rpl.secure.algorithm.encryption", FT_UINT8, BASE_DEC, VALS(rpl_secure_algorithm_encryption_val), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_algorithm_signature,
|
|
{ "Algorithm (Signature)", "icmpv6.rpl.secure.algorithm.signature", FT_UINT8, BASE_DEC, VALS(rpl_secure_algorithm_signature_val), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_kim,
|
|
{ "Key Identifier Mode (KIM)", "icmpv6.rpl.secure.kim", FT_UINT8, BASE_DEC, NULL, RPL_SECURE_KIM,
|
|
"That indicates whether the key used for packet protection is determined implicitly or explicitly and indicates the particular representation of the Key Identifier field", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_lvl,
|
|
{ "Security Level (LVL)", "icmpv6.rpl.secure.lvl", FT_UINT8, BASE_DEC, NULL, RPL_SECURE_LVL,
|
|
"Indicates the provided packet protection", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_rsv,
|
|
{ "Reserved", "icmpv6.rpl.secure.rsv", FT_UINT8, BASE_DEC, NULL, RPL_SECURE_RSV,
|
|
"Must be zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_counter,
|
|
{ "Counter", "icmpv6.rpl.secure.counter", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"Indicates the non-repeating 4-octet value used to construct the cryptographic mechanism that implements packet protection and allows for the provision of semantic security", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_key_source,
|
|
{ "Key Source", "icmpv6.rpl.secure.key.source", FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Indicates the logical identifier of the originator of a group key", HFILL }},
|
|
{ &hf_icmpv6_rpl_secure_key_index,
|
|
{ "Key Source", "icmpv6.rpl.secure.key.index", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Allows unique identification of different keys with the same originator", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt,
|
|
{ "ICMPv6 RPL Option", "icmpv6.opt", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Option", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_type,
|
|
{ "Type", "icmpv6.rpl.opt.type", FT_UINT8, BASE_DEC, VALS(rpl_option_vals), 0x0,
|
|
"Options type", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_length,
|
|
{ "Length", "icmpv6.rpl.opt.length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The length of the option in octets excluding the Type and Length fields", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_reserved,
|
|
{ "Reserved", "icmpv6.rpl.opt.reserved", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Reserved (Must be 0)", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_padn,
|
|
{ "Paddn", "icmpv6.rpl.opt.padn", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Padding (Must be 0)", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_prefix_length,
|
|
{ "Prefix Length", "icmpv6.rpl.opt.route.prefix_length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The number of leading bits in the Prefix that are valid", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_flag,
|
|
{ "Flag","icmpv6.rpl.opt.route.flag", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_pref,
|
|
{ "Preference","icmpv6.rpl.opt.route.pref", FT_UINT8, BASE_DEC, VALS(nd_flag_router_pref), RPL_OPT_ROUTE_PREFERENCE,
|
|
"The Route Preference indicates whether to prefer the router associated with this prefix over others, when multiple identical prefixes (for different routers) have been received", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_reserved,
|
|
{ "Reserved","icmpv6.rpl.opt.route.reserved", FT_UINT8, BASE_DEC, NULL, RPL_OPT_ROUTE_RESERVED,
|
|
"Reserved (Must be Zero)", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_lifetime,
|
|
{ "Route Lifetime", "icmpv6.rpl.opt.route.lifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The length of time in seconds (relative to the time the packet is sent) that the prefix is valid for route determination", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_prefix,
|
|
{ "Prefix", "icmpv6.rpl.opt.route.prefix", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"Variable-length field containing an IP address or a prefix of an IPv6 address", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_flag,
|
|
{ "Flag","icmpv6.rpl.opt.config.flag", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_reserved,
|
|
{ "Reserved","icmpv6.rpl.opt.config.reserved", FT_UINT8, BASE_DEC, NULL, RPL_OPT_CONFIG_FLAG_RESERVED,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_auth,
|
|
{ "Authentication Enabled","icmpv6.rpl.opt.config.auth", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RPL_OPT_CONFIG_FLAG_AUTH,
|
|
"One bit flag describing the security mode of the network", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_pcs,
|
|
{ "Path Control Size", "icmpv6.rpl.opt.config.pcs", FT_UINT8, BASE_DEC, NULL, RPL_OPT_CONFIG_FLAG_PCS,
|
|
"Used to configure the number of bits that may be allocated to the Path Control field", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_doublings,
|
|
{ "DIOIntervalDoublings","icmpv6.rpl.opt.config.interval_double", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Used to configure Imax of the DIO trickle timer", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_min_interval,
|
|
{ "DIOIntervalMin", "icmpv6.rpl.opt.config.interval_min", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Used to configure Imin of the DIO trickle timer", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_redundancy,
|
|
{ "DIORedundancyConstant", "icmpv6.rpl.opt.config.redundancy", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Used to configure k of the DIO trickle timer", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_rank_incr,
|
|
{ "MaxRankInc", "icmpv6.rpl.opt.config.max_rank_inc", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Used to configure DAGMaxRankIncrease", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_hop_rank_inc,
|
|
{ "MinHopRankInc", "icmpv6.rpl.opt.config.min_hop_rank_inc", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Used to configure MinHopRankIncrease", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_ocp,
|
|
{ "OCP (Objective Code Point)","icmpv6.rpl.opt.config.ocp", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The OCP field identifies the OF and is managed by the IANA", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_rsv,
|
|
{ "Reserved", "icmpv6.rpl.opt.config.rsv", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_def_lifetime,
|
|
{ "Default Lifetime", "icmpv6.rpl.opt.config.def_lifetime", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"This is the lifetime that is used as default for all RPL routes", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_config_lifetime_unit,
|
|
{ "Lifetime Unit", "icmpv6.rpl.opt.config.lifetime_unit", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Provides the unit in seconds that is used to express route lifetimes in RPL", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_target_flag,
|
|
{ "Reserved", "icmpv6.rpl.opt.target.flag", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Unused field reserved for flags", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_target_prefix_length,
|
|
{ "Target Length", "icmpv6.rpl.opt.target.prefix_length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Number of valid leading bits in the IPv6 Prefix", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_target_prefix,
|
|
{ "Target", "icmpv6.rpl.opt.target.prefix", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"Identifying an IPv6 destination address, prefix, or multicast group", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_transit_flag,
|
|
{ "Flags", "icmpv6.rpl.opt.transit.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_transit_flag_e,
|
|
{ "External", "icmpv6.rpl.opt.transit.flag.e", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RPL_OPT_TRANSIT_FLAG_E,
|
|
"Indicate that the parent router redistributes external targets into the RPL network", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_transit_flag_rsv,
|
|
{ "Reserved", "icmpv6.rpl.opt.transit.flag.rsv", FT_UINT8, BASE_DEC, NULL, RPL_OPT_TRANSIT_FLAG_RSV,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_transit_pathctl,
|
|
{ "Path Control", "icmpv6.rpl.opt.transit.pathctl", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Limits the number of DAO-Parents to which a DAO message advertising connectivity", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_transit_pathseq,
|
|
{ "Path Sequence", "icmpv6.rpl.opt.transit.pathseq", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Increments the Path Sequence each time it issues a RPL Target option with updated information", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_transit_pathlifetime,
|
|
{ "Path Lifetime", "icmpv6.rpl.opt.transit.pathlifetime", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The length of time in Lifetime Units that the prefix is valid for route determination", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_transit_parent,
|
|
{ "Parent Address", "icmpv6.rpl.opt.transit.parent", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"IPv6 Address of the DODAG Parent of the node originally issuing the Transit Information Option", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_instance,
|
|
{ "Instance", "icmpv6.rpl.opt.solicited.instance", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Containing the RPLInstanceID that is being solicited when valid", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_flag,
|
|
{ "Flag", "icmpv6.rpl.opt.solicited.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_flag_v,
|
|
{ "Version predicate", "icmpv6.rpl.opt.solicited.flag.v", FT_BOOLEAN, 8, TFS(&tfs_true_false), RPL_OPT_SOLICITED_FLAG_V,
|
|
"The Version predicate is true if the receiver's DODAGVersionNumber matches the requested Version Number", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_flag_i,
|
|
{ "InstanceID predicate","icmpv6.rpl.opt.solicited.flag.i", FT_BOOLEAN, 8, TFS(&tfs_true_false), RPL_OPT_SOLICITED_FLAG_I,
|
|
"The InstanceID predicate is true when the RPL node's current RPLInstanceID matches the requested RPLInstanceID", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_flag_d,
|
|
{ "DODAGID predicate", "icmpv6.rpl.opt.solicited.flag.d", FT_BOOLEAN, 8, TFS(&tfs_true_false), RPL_OPT_SOLICITED_FLAG_D,
|
|
"The DODAGID predicate is true if the RPL node's parent set has the same DODAGID as the DODAGID field", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_flag_rsv,
|
|
{ "Reserved", "icmpv6.rpl.opt.solicited.flag.rsv", FT_UINT8, BASE_DEC, NULL, RPL_OPT_SOLICITED_FLAG_RSV,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_dodagid,
|
|
{ "DODAGID", "icmpv6.rpl.opt.solicited.dodagid", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"the DODAGID that is being solicited when valid", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_solicited_version,
|
|
{ "Version", "icmpv6.rpl.opt.solicited.version", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"the value of DODAGVersionNumber that is being solicited when valid", HFILL }},
|
|
|
|
{ &hf_icmpv6_rpl_opt_prefix_length,
|
|
{ "Prefix Length", "icmpv6.rpl.opt.prefix.length", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The number of leading bits in the Prefix that are valid", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix_flag,
|
|
{ "Flag", "icmpv6.rpl.opt.prefix.flag", FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix_flag_l,
|
|
{ "On Link", "icmpv6.rpl.opt.prefix.flag.l", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RPL_OPT_PREFIX_FLAG_L,
|
|
"When set, indicates that this prefix can be used for on-link determination", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix_flag_a,
|
|
{ "Auto Address Config","icmpv6.rpl.opt.config.flag.a", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RPL_OPT_PREFIX_FLAG_A,
|
|
"When set indicates that this prefix can be used for stateless address configuration", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix_flag_r,
|
|
{ "Router Address", "icmpv6.rpl.opt.config.flag.r", FT_BOOLEAN, 8, TFS(&tfs_set_notset), RPL_OPT_PREFIX_FLAG_R,
|
|
"When set, indicates that the Prefix field contains a complete IPv6 address assigned to the sending router that can be used as parent in a target option", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix_flag_rsv,
|
|
{ "Reserved", "icmpv6.rpl.opt.config.flag.rsv", FT_UINT8, BASE_DEC, NULL, RPL_OPT_PREFIX_FLAG_RSV,
|
|
"Must Be Zero", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix_vlifetime,
|
|
{ "Valid Lifetime", "icmpv6.rpl.opt.prefix.valid_lifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The length of time in seconds that the prefix is valid for the purpose of on-link determination", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix_plifetime,
|
|
{ "Preferred Lifetime", "icmpv6.rpl.opt.prefix.preferred_lifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The length of time in seconds that addresses generated from the prefix via stateless address autoconfiguration remain preferred", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_prefix,
|
|
{ "Destination Prefix", "icmpv6.rpl.opt.prefix", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"An IPv6 address or a prefix of an IPv6 address", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_targetdesc,
|
|
{ "Descriptor", "icmpv6.rpl.opt.targetdesc.descriptor", FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"Opaque Data", HFILL }},
|
|
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_flag,
|
|
{ "Flags", "icmpv6.rpl.opt.routediscovery.flag", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"NULL", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_reply,
|
|
{ "Reply", "icmpv6.rpl.opt.routediscovery.flag.reply", FT_BOOLEAN, 8, TFS(&tfs_yes_no), RPL_OPT_ROUTE_DISCOVERY_R,
|
|
"The Origin sets this flag to one to allow the Target(s) to send P2P-DRO messages back to the Origin", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_hop_by_hop,
|
|
{ "Hop-by-Hop", "icmpv6.rpl.opt.routediscovery.flag.hopbyhop", FT_BOOLEAN, 8, TFS(&tfs_yes_no), RPL_OPT_ROUTE_DISCOVERY_H,
|
|
"The Origin sets this flag to one if it desires Hop-by-hop Routes and to zero if it desires Source Routes.", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_num_of_routes,
|
|
{ "Number of Routes", "icmpv6.rpl.opt.routediscovery.flag.numofroutes", FT_UINT8, BASE_DEC, NULL, RPL_OPT_ROUTE_DISCOVERY_N,
|
|
"This value plus one indicates the number of Source Routes that each Target should convey to the Origin", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_compr,
|
|
{ "Compr", "icmpv6.rpl.opt.routediscovery.flag.compr", FT_UINT8, BASE_DEC, NULL, RPL_OPT_ROUTE_DISCOVERY_COMPR,
|
|
"Number of prefix octets that are elided from the Target field and Address vector", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_lifetime,
|
|
{ "Lifetime", "icmpv6.rpl.opt.routediscovery.lifetime", FT_UINT8, BASE_DEC, NULL, RPL_OPT_ROUTE_DISCOVERY_L,
|
|
"Lifetime of the temporary DODAG", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_maxrank,
|
|
{ "MaxRank", "icmpv6.rpl.opt.routediscovery.maxrank", FT_UINT8, BASE_DEC, NULL, RPL_OPT_ROUTE_DISCOVERY_MR_NH,
|
|
"Upper limit of the integer portion of the rank when used inside a DIO", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_nh,
|
|
{ "NH", "icmpv6.rpl.opt.routediscovery.nh", FT_UINT8, BASE_DEC, NULL, RPL_OPT_ROUTE_DISCOVERY_MR_NH,
|
|
"Index of the next-hop (NH) address inside the Address vector", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_target_addr,
|
|
{ "Target Address", "icmpv6.rpl.opt.routediscovery.targetaddr", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"An IPv6 address of the Target after eliding Compr number of prefix octets", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_addr_vec,
|
|
{ "Address Vector", "icmpv6.rpl.opt.routediscovery.addr_vec", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"NULL", HFILL }},
|
|
{ &hf_icmpv6_rpl_opt_route_discovery_addr_vec_addr,
|
|
{ "Address", "icmpv6.rpl.opt.routediscovery.addrvec.addr", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_instance,
|
|
{ "RPLInstanceID", "icmpv6.rpl.p2p.dro.instance", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Set by the DODAG root that indicates which RPL Instance the DODAG is part of", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_version,
|
|
{ "Version", "icmpv6.rpl.p2p.dro.version", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Set by the DODAG root to the DODAGVersionNumber", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_flag,
|
|
{ "Flags", "icmpv6.rpl.p2p.dro.flag", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"NULL", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_flag_stop,
|
|
{ "Stop", "icmpv6.rpl.p2p.dro.flag.stop", FT_BOOLEAN, 16, TFS(&tfs_yes_no), RPL_P2P_DRO_FLAG_S,
|
|
"Indicates that the P2P-RPL route discovery is over", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_flag_ack,
|
|
{ "Ack", "icmpv6.rpl.p2p.dro.flag.ack", FT_BOOLEAN, 16, TFS(&tfs_yes_no), RPL_P2P_DRO_FLAG_A,
|
|
"Indicates that the Origin MUST unicast a P2P-DRO-ACK message to the Target", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_flag_seq,
|
|
{ "Seq", "icmpv6.rpl.p2p.dro.flag.seq", FT_UINT16, BASE_DEC, NULL, RPL_P2P_DRO_FLAG_SEQ,
|
|
"Indicates the sequence number for the P2P-DRO", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_flag_reserved,
|
|
{ "Reserved", "icmpv6.rpl.p2p.dro.flag.reserved", FT_UINT16, BASE_DEC, NULL, RPL_P2P_DRO_FLAG_RSV,
|
|
NULL, HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_dro_dagid,
|
|
{ "DODAGID", "icmpv6.rpl.p2p.dro.dagid", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"IPv6 address set by a DODAG root which uniquely identifies a DODAG", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_droack_flag,
|
|
{ "Flags", "icmpv6.rpl.p2p.droack.flag", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"NULL", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_droack_flag_seq,
|
|
{ "Seq", "icmpv6.rpl.p2p.droack.flag.seq", FT_UINT16, BASE_DEC, NULL, RPL_P2P_DROACK_FLAG_SEQ,
|
|
"Indicates the sequence number for the P2P-DRO", HFILL }},
|
|
{ &hf_icmpv6_rpl_p2p_droack_flag_reserved,
|
|
{ "Reserved", "icmpv6.rpl.p2p.droack.flag.reserved", FT_UINT16, BASE_DEC, NULL, RPL_P2P_DROACK_FLAG_RSV,
|
|
NULL, HFILL }},
|
|
|
|
/* RFC6743 Locator Update (156) */
|
|
|
|
{ &hf_icmpv6_ilnp_nb_locs,
|
|
{ "Num of Locs", "icmpv6.ilnp.nb_locs", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"The number of 64-bit Locator values that are advertised in this message", HFILL }},
|
|
{ &hf_icmpv6_ilnp_locator,
|
|
{ "Locator", "icmpv6.ilnp.nb_locator", FT_UINT64, BASE_HEX, NULL, 0x0,
|
|
"The 64-bit Locator values currently valid for the sending ILNPv6 node", HFILL }},
|
|
{ &hf_icmpv6_ilnp_preference,
|
|
{ "Preference", "icmpv6.ilnp.nb_preference", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The preferability of each Locator relative to other valid Locator values", HFILL }},
|
|
{ &hf_icmpv6_ilnp_lifetime,
|
|
{ "Lifetime", "icmpv6.ilnp.nb_lifetime", FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"The maximum number of seconds that this particular Locator may be considered valid", HFILL }},
|
|
|
|
/* 6lowpan-nd: Neighbour Discovery for 6LoWPAN Networks */
|
|
{ &hf_icmpv6_da_status,
|
|
{ "Status", "icmpv6.6lowpannd.da.status", FT_UINT8, BASE_DEC, VALS(nd_opt_6lowpannd_status_val), 0x0,
|
|
"Indicates the status of a registration in the DAC", HFILL }},
|
|
{ &hf_icmpv6_da_rsv,
|
|
{ "Reserved", "icmpv6.6lowpannd.da.rsv", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Must be Zero", HFILL }},
|
|
{ &hf_icmpv6_da_lifetime,
|
|
{ "Lifetime", "icmpv6.6lowpannd.da.lifetime", FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The amount of time in a unit of 60 seconds that the router should retain the Neighbor Cache entry for the sender of the NS that includes this option", HFILL }},
|
|
{ &hf_icmpv6_da_eui64,
|
|
{ "EUI-64", "icmpv6.6lowpannd.da.eui64", FT_EUI64, BASE_NONE, NULL, 0x0,
|
|
"This field is used to uniquely identify the interface of the registered address by including the EUI-64 identifier", HFILL }},
|
|
{ &hf_icmpv6_da_raddr,
|
|
{ "Registered Address", "icmpv6.6lowpannd.da.reg_addr", FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
"Carries the host address, which was contained in the IPv6 Source field in the NS that contained the ARO option sent by the host", HFILL }},
|
|
|
|
/* Conversation-related [generated] header fields */
|
|
{ &hf_icmpv6_resp_in,
|
|
{ "Response In", "icmpv6.resp_in", FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"The response to this request is in this frame", HFILL }},
|
|
{&hf_icmpv6_no_resp,
|
|
{"No response seen", "icmpv6.no_resp", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"No corresponding response frame was seen", HFILL}},
|
|
{ &hf_icmpv6_resp_to,
|
|
{ "Response To", "icmpv6.resp_to", FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"This is the response to the request in this frame", HFILL }},
|
|
{ &hf_icmpv6_resptime,
|
|
{ "Response Time", "icmpv6.resptime", FT_DOUBLE, BASE_NONE, NULL, 0x0,
|
|
"The time between the request and the response, in ms.", HFILL }}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_icmpv6,
|
|
&ett_icmpv6_opt,
|
|
&ett_icmpv6_mar,
|
|
&ett_icmpv6_flag_prefix,
|
|
&ett_icmpv6_flag_map,
|
|
&ett_icmpv6_flag_route_info,
|
|
&ett_icmpv6_flag_6lowpan,
|
|
&ett_icmpv6_flag_efo,
|
|
&ett_icmpv6_rpl_opt,
|
|
&ett_icmpv6_rpl_flag_routing,
|
|
&ett_icmpv6_rpl_flag_config,
|
|
&ett_icmpv6_rpl_flag_transit,
|
|
&ett_icmpv6_rpl_flag_solicited,
|
|
&ett_icmpv6_rpl_flag_prefix,
|
|
&ett_icmpv6_rpl_route_discovery_flag,
|
|
&ett_icmpv6_rpl_route_discovery_addr_vec,
|
|
&ett_icmpv6_rpl_p2p_dro_flag,
|
|
&ett_icmpv6_rpl_p2p_droack_flag,
|
|
&ett_icmpv6_flag_ni,
|
|
&ett_icmpv6_flag_rr,
|
|
&ett_icmpv6_rr_mp,
|
|
&ett_icmpv6_rr_up,
|
|
&ett_icmpv6_rr_up_flag_mask,
|
|
&ett_icmpv6_rr_up_flag_ra,
|
|
&ett_icmpv6_rr_up_flag,
|
|
&ett_icmpv6_rr_rm,
|
|
&ett_icmpv6_rr_rm_flag,
|
|
&ett_icmpv6_flag_mld,
|
|
&ett_icmpv6_flag_ra,
|
|
&ett_icmpv6_flag_na,
|
|
&ett_icmpv6_flag_mip6,
|
|
&ett_icmpv6_flag_fmip6,
|
|
&ett_icmpv6_flag_secure,
|
|
&ett_icmpv6_flag_rpl_dio,
|
|
&ett_icmpv6_flag_rpl_dao,
|
|
&ett_icmpv6_flag_rpl_daoack,
|
|
&ett_icmpv6_flag_rpl_cc,
|
|
&ett_icmpv6_opt_name,
|
|
&ett_icmpv6_cga_param_name
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_icmpv6_invalid_option_length, { "icmpv6.invalid_option_length", PI_MALFORMED, PI_ERROR, "Invalid Option Length", EXPFILL }},
|
|
{ &ei_icmpv6_undecoded_option, { "icmpv6.undecoded.option", PI_UNDECODED, PI_NOTE, "Undecoded option", EXPFILL }},
|
|
{ &ei_icmpv6_unknown_data, { "icmpv6.unknown_data.expert", PI_MALFORMED, PI_ERROR, "Unknown Data (not interpreted)", EXPFILL }},
|
|
{ &ei_icmpv6_undecoded_rpl_option, { "icmpv6.undecoded.rpl_option", PI_UNDECODED, PI_NOTE, "Undecoded RPL Option", EXPFILL }},
|
|
{ &ei_icmpv6_undecoded_type, { "icmpv6.undecoded.type", PI_UNDECODED, PI_NOTE, "Undecoded type", EXPFILL }},
|
|
{ &ei_icmpv6_rr_pco_mp_matchlen, { "icmpv6.rr.pco.mp.matchlen.gt128", PI_PROTOCOL, PI_WARN, "MatchLen is greater than 128", EXPFILL }},
|
|
{ &ei_icmpv6_rr_pco_mp_matchedlen, { "icmpv6.rr.pco.mp.matchedlen.gt128", PI_PROTOCOL, PI_WARN, "MatchedLen is greater than 128", EXPFILL }},
|
|
{ &ei_icmpv6_checksum, { "icmpv6.checksum_bad.expert", PI_CHECKSUM, PI_WARN, "Bad checksum", EXPFILL }},
|
|
{ &ei_icmpv6_resp_not_found, { "icmpv6.resp_not_found", PI_SEQUENCE, PI_WARN, "Response not found", EXPFILL }},
|
|
{ &ei_icmpv6_rpl_p2p_hop_by_hop, { "icmpv6.rpl.p2p.hop_by_hop", PI_PROTOCOL, PI_WARN, "Reply MUST be set to one in order to establish a Hop-by-Hop Route", EXPFILL }},
|
|
{ &ei_icmpv6_rpl_p2p_num_of_routes, { "icmpv6.rpl.p2p.num_of_routes", PI_PROTOCOL, PI_WARN, "This field MUST be set to zero when Hop-by-Hop Routes are being discovered", EXPFILL }},
|
|
{ &ei_icmpv6_rpl_p2p_dro_rdo_zero, { "icmpv6.rpl.p2p.dro.rdo.zero", PI_PROTOCOL, PI_WARN, "This field MUST be set to zero when the P2P-RDO is included in a P2P-DRO", EXPFILL }},
|
|
{ &ei_icmpv6_rpl_p2p_dro_zero, { "icmpv6.rpl.p2p.dro.zero", PI_PROTOCOL, PI_WARN, "This field MUST be set to zero", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_icmpv6;
|
|
|
|
proto_icmpv6 = proto_register_protocol("Internet Control Message Protocol v6",
|
|
"ICMPv6", "icmpv6");
|
|
proto_register_field_array(proto_icmpv6, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_icmpv6 = expert_register_protocol(proto_icmpv6);
|
|
expert_register_field_array(expert_icmpv6, ei, array_length(ei));
|
|
|
|
icmpv6_handle = register_dissector("icmpv6", dissect_icmpv6, proto_icmpv6);
|
|
|
|
icmpv6_tap = register_tap("icmpv6");
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_icmpv6(void)
|
|
{
|
|
dissector_add_uint("ip.proto", IP_PROTO_ICMPV6, icmpv6_handle);
|
|
register_capture_dissector("ip.proto", IP_PROTO_ICMPV6, capture_icmpv6, proto_icmpv6);
|
|
register_capture_dissector("ipv6.nxt", IP_PROTO_ICMPV6, capture_icmpv6, proto_icmpv6);
|
|
|
|
/*
|
|
* Get a handle for the IPv6 dissector.
|
|
*/
|
|
ipv6_handle = find_dissector_add_dependency("ipv6", proto_icmpv6);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|