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wireshark/epan/dissectors/packet-mip6.c

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/* packet-mip6.c
*
* $Id$
*
* Definitions and Routines for Mobile IPv6 dissection (RFC 3775)
* Copyright 2003 Oy L M Ericsson Ab <teemu.rinta-aho@ericsson.fi>
*
* FMIPv6 (RFC 4068) support added by Martin Andre <andre@clarinet.u-strasbg.fr>
* Copyright 2006, Nicolas DICHTEL - 6WIND - <nicolas.dichtel@6wind.com>
*
* Modifications for NEMO packets (RFC 3963): Bruno Deniaud
* (bdeniaud@irisa.fr, nono@chez.com) 12 Oct 2005
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/ipproto.h>
#include <epan/ip_opts.h>
#include <epan/expert.h>
#include <epan/sminmpec.h>
#define UDP_PORT_PMIP6_CNTL 5436
/* Mobility Header types */
typedef enum {
MIP6_BRR = 0,
MIP6_HOTI = 1,
MIP6_MHCOTI = 2,
MIP6_HOT = 3,
MIP6_MHCOT = 4,
MIP6_BU = 5,
MIP6_BA = 6,
MIP6_BE = 7,
MIP6_FBU = 8,
MIP6_FBACK = 9,
MIP6_FNA = 10,
MIP6_EMH = 11,
MIP6_HAS = 12,
MIP6_HB = 13,
MIP6_HI = 14,
MIP6_HAck = 15,
MIP6_BR = 16
} mhTypes;
/* http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml */
static const value_string mip6_mh_types[] = {
{MIP6_BRR, "Binding Refresh Request"}, /* [RFC3775] */
{MIP6_HOTI, "Home Test Init"}, /* [RFC3775] */
{MIP6_MHCOTI, "Care-of Test Init"}, /* [RFC3775] */
{MIP6_HOT, "Home Test"}, /* [RFC3775] */
{MIP6_MHCOT, "Care-of Test"}, /* [RFC3775] */
{MIP6_BU, "Binding Update"}, /* [RFC3775] */
{MIP6_BA, "Binding Acknowledgement"}, /* [RFC3775] */
{MIP6_BE, "Binding Error"}, /* [RFC3775] */
{MIP6_FBU, "Fast Binding Update"}, /* [RFC5568] */
{MIP6_FBACK, "Fast Binding Acknowledgment"}, /* [RFC5568] */
{MIP6_FNA, "Fast Neighbor Advertisement"}, /* [RFC5568] */
{MIP6_EMH, "Experimental Mobility Header"}, /* [RFC5096] */
{MIP6_HAS, "Home Agent Switch"}, /* [RFC5142] */
{MIP6_HB, "Heartbeat"}, /* [RFC5847] */
{MIP6_HI, "Handover Initiate"}, /* [RFC5568] */
{MIP6_HAck, "Handover Acknowledge"}, /* [RFC5568] */
{MIP6_BR, "Binding Revocation"}, /* [RFC5846] */
{0, NULL}
};
/* Mobility Option types
* http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml
*/
typedef enum {
MIP6_PAD1 = 0, /* 0 Pad1 [RFC3775] */
MIP6_PADN = 1, /* 1 PadN [RFC3775] */
MIP6_BRA = 2, /* 2 Binding Refresh Advice */
MIP6_ACOA = 3, /* 3 Alternate Care-of Address */
MIP6_NI = 4, /* 4 Nonce Indices */
MIP6_AUTD = 5, /* 5 Authorization Data */
MIP6_MNP = 6, /* 6 Mobile Network Prefix Option */
MIP6_MHLLA = 7, /* 7 Mobility Header Link-Layer Address option [RFC5568] */
MIP6_MNID = 8, /* 8 MN-ID-OPTION-TYPE */
MIP6_AUTH = 9, /* 9 AUTH-OPTION-TYPE */
MIP6_MESGID = 10, /* 10 MESG-ID-OPTION-TYPE [RFC4285] */
MIP6_CGAPR = 11, /* 11 CGA Parameters Request [RFC4866] */
MIP6_CGAR = 12, /* 12 CGA Parameters [RFC4866] */
MIP6_SIGN = 13, /* 13 Signature [RFC4866] */
MIP6_PHKT = 14, /* 14 Permanent Home Keygen Token [RFC4866] */
MIP6_MOCOTI = 15, /* 15 Care-of Test Init [RFC4866] */
MIP6_MOCOT = 16, /* 16 Care-of Test [RFC4866] */
MIP6_DNSU = 17, /* 17 DNS-UPDATE-TYPE [RFC5026] */
MIP6_EM = 18, /* 18 Experimental Mobility Option [RFC5096] */
MIP6_VSM = 19, /* 19 Vendor Specific Mobility Option [RFC5094] */
MIP6_SSM = 20, /* 20 Service Selection Mobility Option [RFC5149] */
MIP6_BADFF = 21, /* 21 Binding Authorization Data for FMIPv6 (BADF) [RFC5568] */
MIP6_HNP = 22, /* 22 Home Network Prefix Option [RFC5213] */
MIP6_MOHI = 23, /* 23 Handoff Indicator Option [RFC5213] */
MIP6_ATT = 24, /* 24 Access Technology Type Option [RFC5213] */
MIP6_MNLLI = 25, /* 25 Mobile Node Link-layer Identifier Option [RFC5213] */
MIP6_LLA = 26, /* 26 Link-local Address Option [RFC5213 */
MIP6_TS = 27, /* 27 Timestamp */
MIP6_RC = 28, /* 28 Restart Counter [RFC5847] */
MIP6_IPV4HA = 29, /* 29 IPv4 Home Address [RFC5555] */
MIP6_IPV4AA = 30, /* 30 IPv4 Address Acknowledgement [RFC5555] */
MIP6_NATD = 31, /* 31 NAT Detection [RFC5555] */
MIP6_IPV4COA = 32, /* 32 IPv4 Care-of Address [RFC5555] */
MIP6_GREK = 33, /* 33 GRE Key Option [RFC5845] */
MIP6_MHIPV6AP = 34, /* 34 Mobility Header IPv6 Address/Prefix [RFC5568] */
MIP6_BI = 35, /* 35 Binding Identifier [RFC5648] */
MIP6_IPV4HAREQ = 36, /* 36 IPv4 Home Address Request [RFC5844] */
MIP6_IPV4HAREP = 37, /* 37 IPv4 Home Address Reply [RFC5844] */
MIP6_IPV4DRA = 38, /* 38 IPv4 Default-Router Address [RFC5844] */
MIP6_IPV4DSM = 39, /* 39 IPv4 DHCP Support Mode [RFC5844] */
MIP6_CR = 40, /* 40 Context Request Option [RFC5949] */
MIP6_LMAA = 41, /* 41 Local Mobility Anchor Address Option [RFC5949] */
MIP6_MNLLAII = 42, /* 42 Mobile Node Link-local Address Interface Identifier Option [RFC5949] */
MIP6_TB = 43, /* 43 Transient Binding [RFC-ietf-mipshop-transient-bce-pmipv6-07] */
MIP6_FS = 44, /* 44 Flow Summary Mobility Option [RFC-ietf-mext-flow-binding-11] */
MIP6_FI = 45 /* 45 Flow Identification Mobility Option [RFC-ietf-mext-flow-binding-11]] */
} optTypes;
/* Binding Update flag description */
static const true_false_string mip6_bu_a_flag_value = {
"Binding Acknowledgement requested",
"Binding Acknowledgement not requested"
};
static const true_false_string mip6_bu_h_flag_value = {
"Home Registration",
"No Home Registration"
};
static const true_false_string mip6_bu_l_flag_value = {
"Link-Local Address Compatibility",
"No Link-Local Address Compatibility"
};
static const true_false_string mip6_bu_k_flag_value = {
"Key Management Mobility Compatibility",
"No Key Management Mobility Compatibility"
};
static const true_false_string mip6_bu_m_flag_value = {
"MAP Registration Compatibility",
"No MAP Registration Compatibility",
};
static const true_false_string mip6_nemo_bu_r_flag_value = {
"Mobile Router Compatibility",
"No Mobile Router Compatibility"
};
static const true_false_string pmip6_bu_p_flag_value = {
"Proxy Registration",
"No Proxy Registration"
};
static const true_false_string mip6_bu_f_flag_value = {
"Forcing UDP encapsulation used",
"No Forcing UDP encapsulation"
};
static const true_false_string pmip6_bu_t_flag_value = {
"TLV-header format used",
"No TLV-header format"
};
/* Binding Acknowledgement status values
* http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml
*/
static const value_string mip6_ba_status_value[] = {
{ 0, "Binding Update accepted" },
{ 1, "Accepted but prefix discovery necessary" },
{ 2, "GRE_KEY_OPTION_NOT_REQUIRED" }, /* [RFC5845] */
{ 3, "GRE_TUNNELING_BUT_TLV_HEADER_NOT_SUPPORTED" }, /* [RFC5845] */
{ 4, "MCOA NOTCOMPLETE" }, /* [RFC5648] */
{ 5, "MCOA RETURNHOME WO/NDP" }, /* [RFC5648] */
{ 6, "PBU_ACCEPTED_TB_IGNORED_SETTINGSMISMATCH" }, /* [RFC-ietf-mipshop-transient-bce-pmipv6-07] */
/* 7-127 Unassigned */
{ 128, "Reason unspecified" },
{ 129, "Administratively prohibited" },
{ 130, "Insufficient resources" },
{ 131, "Home registration not supported" },
{ 132, "Not home subnet" },
{ 133, "Not home agent for this mobile node" },
{ 134, "Duplicate Address Detection failed" },
{ 135, "Sequence number out of window" },
{ 136, "Expired home nonce index" },
{ 137, "Expired care-of nonce index" },
{ 138, "Expired nonces" },
{ 139, "Registration type change disallowed" },
{ 140, "Mobile Router Operation not permitted" },
{ 141, "Invalid Prefix" },
{ 142, "Not Authorized for Prefix" },
{ 143, "Mobile Network Prefix information unavailable" },
{ 145, "Proxy Registration not supported by the LMA" },
{ 146, "Proxy Registrations from this MAG not allowed" },
{ 147, "No home address for this NAI" },
{ 148, "Invalid Time Stamp Option" },
{ 149, "Permanent home keygen token exists" }, /* [RFC4866] */
{ 150, "Non-null home nonce index expected" }, /* [RFC4866] */
{ 151, "SERVICE_AUTHORIZATION_FAILED" }, /* [RFC5149] */
{ 152, "PROXY_REG_NOT_ENABLED" }, /* [RFC5213] */
{ 153, "NOT_LMA_FOR_THIS_MOBILE_NODE" }, /* [RFC5213] */
{ 154, "MAG_NOT_AUTHORIZED_FOR_PROXY_REG" }, /* [RFC5213] */
{ 155, "NOT_AUTHORIZED_FOR_HOME_NETWORK_PREFIX" }, /* [RFC5213] */
{ 156, "TIMESTAMP_MISMATCH" }, /* [RFC5213] */
{ 157, "TIMESTAMP_LOWER_THAN_PREV_ACCEPTED" }, /* [RFC5213] */
{ 158, "MISSING_HOME_NETWORK_PREFIX_OPTION" }, /* [RFC5213] */
{ 159, "BCE_PBU_PREFIX_SET_DO_NOT_MATCH" }, /* [RFC5213] */
{ 160, "MISSING_MN_IDENTIFIER_OPTION" }, /* [RFC5213] */
{ 161, "MISSING_HANDOFF_INDICATOR_OPTION" }, /* [RFC5213] */
{ 162, "MISSING_ACCESS_TECH_TYPE_OPTION" }, /* [RFC5213] */
{ 163, "GRE_KEY_OPTION_REQUIRED" }, /* [RFC5845] */
{ 164, "MCOA MALFORMED" }, /* [RFC5648] */
{ 165, "MCOA NON-MCOA BINDING EXISTS" }, /* [RFC5648] */
{ 166, "MCOA PROHIBITED" }, /* [RFC5648] */
{ 167, "MCOA UNKNOWN COA" }, /* [RFC5648] */
{ 168, "MCOA BULK REGISTRATION PROHIBITED" }, /* [RFC5648] */
{ 169, "MCOA SIMULTANEOUS HOME AND FOREIGN PROHIBITED" }, /* [RFC5648] */
{ 170, "NOT_AUTHORIZED_FOR_IPV4_MOBILITY_SERVICE" }, /* [RFC5844] */
{ 171, "NOT_AUTHORIZED_FOR_IPV4_HOME_ADDRESS" }, /* [RFC5844] */
{ 172, "NOT_AUTHORIZED_FOR_IPV6_MOBILITY_SERVICE" }, /* [RFC5844] */
{ 173, "MULTIPLE_IPV4_HOME_ADDRESS_ASSIGNMENT_NOT_SUPPORTED" }, /* [RFC5844] */
{ 0, NULL }
};
/* Binding Error status values */
static const value_string mip6_be_status_value[] = {
{ 1, "Unknown binding for Home Address destination option" },
{ 2, "Unrecognized MH type value" },
{ 0, NULL }
};
/* Fast Binding Update flag description */
static const true_false_string fmip6_fbu_a_flag_value = {
"Fast Binding Acknowledgement requested",
"Fast Binding Acknowledgement not requested"
};
static const true_false_string fmip6_fbu_h_flag_value = {
"Home Registration",
"No Home Registration"
};
static const true_false_string fmip6_fbu_l_flag_value = {
"Link-Local Address Compatibility",
"No Link-Local Address Compatibility"
};
static const true_false_string fmip6_fbu_k_flag_value = {
"Key Management Mobility Compatibility",
"No Key Management Mobility Compatibility"
};
/* Fast Binding Acknowledgement status values */
static const value_string fmip6_fback_status_value[] = {
{ 0, "Fast Binding Update accepted" },
{ 1, "Accepted but use supplied NCoA" },
{ 128, "Reason unspecified" },
{ 129, "Administratively prohibited" },
{ 130, "Insufficient resources" },
{ 131, "Incorrect interface identifier length" },
{ 0, NULL }
};
/* Heartbeat flag description */
static const true_false_string mip6_hb_u_flag_value = {
"Unsolicited Heartbeat Response",
"Otherwise"
};
static const true_false_string mip6_hb_r_flag_value = {
"Heartbeat Response",
"Heartbeat Request"
};
/* MH LLA Option code */
static const value_string fmip6_lla_optcode_value[] = {
{ 2, "Link Layer Address of the MN" },
{ 0, NULL }
};
/* Mobile Node Identifier Option code */
static const value_string mip6_mnid_subtype_value[] = {
{ 1, "Network Access Identifier (NAI)" },
{ 0, NULL }
};
/* mobile network prefix flag description */
static const true_false_string mip6_ipv4ha_p_flag_value = {
"mobile network prefixt requested",
"mobile network prefix not requested"
};
/* Vendor-Specific Mobility Option */
static const value_string mip6_vsm_subtype_value[] = {
{ 0, NULL }
};
/* Vendor-Specific Mobility Option (3GPP TS29.282) */
static const value_string mip6_vsm_subtype_3gpp_value[] = {
{ 1, "Protocol Configuration Options" },
{ 2, "3GPP Specific PMIPv6 Error Code" },
{ 3, "PMIPv6 PDN GW IP Address" },
{ 4, "PMIPv6 DHCPv4 Address Allocation Procedure Indication" },
{ 5, "PMIPv6 Fully Qualified PDN Connection Set Identifier" },
{ 6, "PMIPv6 PDN type indication" },
{ 7, "Charging ID" },
{ 8, "Selection Mode" },
{ 9, "I-WLAN Mobility Access Point Name (APN)" },
{ 10, "Charging Characteristics" },
{ 11, "Mobile Equipment Identity (MEI)" },
{ 12, "MSISDN" },
{ 13, "Serving Network" },
{ 14, "APN Restriction" },
{ 15, "Maximum APN Restriction" },
{ 16, "Unauthenticated IMSI" },
{ 17, "PDN Connection ID" },
{ 0, NULL }
};
/* Handoff Indicator Option type */
static const value_string pmip6_hi_opttype_value[] = {
{ 0, "Reserved" },
{ 1, "Attachment over a new interface" },
{ 2, "Handoff between two different interfaces of the mobile node" },
{ 3, "Handoff between mobile access gateways for the same interface" },
{ 4, "Handoff state unknown" },
{ 5, "Handoff state not changed (Re-registration)" },
{ 0, NULL }
};
/* Access Technology Type Option type */
static const value_string pmip6_att_opttype_value[] = {
{ 0, "Reserved" },
{ 1, "Virtual" },
{ 2, "PPP" },
{ 3, "IEEE 802.3" },
{ 4, "IEEE 802.11a/b/g" },
{ 5, "IEEE 802.16e" },
{ 6, "3GPP GERAN" },
{ 7, "3GPP UTRAN" },
{ 8, "3GPP E-UTRAN" },
{ 9, "3GPP2 eHRPD" },
{ 10, "3GPP2 HRPD" },
{ 11, "3GPP2 1xRTT" },
{ 12, "3GPP2 UMB" },
{ 0, NULL }
};
/* PMIP6 BRI R. Trigger values */
static const value_string pmip6_bri_rtrigger[] = {
{ 0x00, "Unspecified"},
{ 0x01, "Administrative Reason"},
{ 0x02, "Inter-MAG Handover - same Access Type"},
{ 0x03, "Inter-MAG Handover - different Access Type"},
{ 0x04, "Inter-MAG Handover - Unknown"},
{ 0x05, "User Initiated Session(s) Termination"},
{ 0x06, "Access Network Session(s) Termination"},
{ 0x07, "Possible Out-of Sync BCE State"},
/* 8-127 Unassigned */
{ 0x128, "Per-Peer Policy"},
{ 0x129, "Revoking Mobility Node Local Policy"},
/* 130-249 Unassigned */
/* 250-255 Reserved for Testing Purposes Only */
{ 0, NULL},
};
/* PMIP6 BRI Status values */
static const value_string pmip6_bri_status[] = {
{ 0x00, "Success"},
{ 0x01, "Partial Success"},
{ 0x02, "Binding Does NOT Exist"},
{ 0x03, "IPv4 HoA Binding Does NOT Exist"},
{ 0x04, "Global Revocation NOT Authorized"},
{ 0x05, "CAN NOT Identify Binding"},
{ 0x06, "Revocation Failed, MN is Attached"},
{ 0, NULL},
};
/* Handoff Indicator values */
static const range_string handoff_indicator[] = {
{ 0x00, 0x00, "Reserved" },
{ 0x01, 0x01, "Attachment over a new interface" },
{ 0x02, 0x02, "Handoff between two different interfaces of the mobile node" },
{ 0x03, 0x03, "Handoff between mobile access gateways for the same interface" },
{ 0x04, 0x04, "Handoff state unknown" },
{ 0x05, 0x05, "Handoff state not changed (Re-registration)" },
{ 0x06, 0xff, "Unassigned" },
{ 0, 0, NULL }
};
/* Mobility Option types
* http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml
*/
static const value_string mip6_mobility_options[] = {
{ MIP6_PAD1, "Pad1"}, /* RFC3775 */
{ MIP6_PADN, "PadN"}, /* RFC3775 */
{ MIP6_BRA, "Binding Refresh Advice"}, /* RFC3775 */
{ MIP6_ACOA, "Alternate Care-of Address"}, /* RFC3775 */
{ MIP6_NI, "Nonce Indices"}, /* RFC3775 */
{ MIP6_AUTD, "Authorization Data"}, /* RFC3775 */
{ MIP6_MNP, "Mobile Network Prefix Option"}, /* RFC3963 */
{ MIP6_MHLLA, "Mobility Header Link-Layer Address option"}, /* RFC5568 */
{ MIP6_MNID, "MN-ID-OPTION-TYPE"}, /* RFC4283 */
{ MIP6_AUTH, "AUTH-OPTION-TYPE"}, /* RFC4285 */
{ MIP6_MESGID, "MESG-ID-OPTION-TYPE"}, /* RFC4285 */
{ MIP6_CGAPR, "CGA Parameters Request"}, /* RFC4866 */
{ MIP6_CGAR, "CGA Parameters"}, /* RFC4866 */
{ MIP6_SIGN, "Signature"}, /* RFC4866 */
{ MIP6_PHKT, "Permanent Home Keygen Token"}, /* RFC4866 */
{ MIP6_MOCOTI, "Care-of Test Init"}, /* RFC4866 */
{ MIP6_MOCOT, "Care-of Test"}, /* RFC4866 */
{ MIP6_DNSU, "DNS-UPDATE-TYPE"}, /* RFC5026 */
{ MIP6_EM, "Experimental Mobility Option"}, /* RFC5096 */
{ MIP6_VSM, "Vendor Specific Mobility Option"}, /* RFC5094 */
{ MIP6_SSM, "Service Selection Mobility Option"}, /* RFC5149 */
{ MIP6_BADFF, "Binding Authorization Data for FMIPv6 (BADF)"}, /* RFC5568 */
{ MIP6_HNP, "Home Network Prefix Option"}, /* RFC5213 */
{ MIP6_MOHI, "Handoff Indicator Option"}, /* RFC5213 */
{ MIP6_ATT, "Access Technology Type Option"}, /* RFC5213 */
{ MIP6_MNLLI, "Mobile Node Link-layer Identifier Option"}, /* RFC5213 */
{ MIP6_LLA, "Link-local Address Option"}, /* RFC5213 */
{ MIP6_TS, "Timestamp Option"}, /* RFC5213 */
{ MIP6_RC, "Restart Counter"}, /* RFC5847 */
{ MIP6_IPV4HA, "IPv4 Home Address"}, /* RFC5555 */
{ MIP6_IPV4AA, "IPv4 Address Acknowledgement"}, /* RFC5555 */
{ MIP6_NATD, "NAT Detection"}, /* RFC5555 */
{ MIP6_IPV4COA,"IPv4 Care-of Address"}, /* RFC5555 */
{ MIP6_GREK, "GRE Key Option"}, /* RFC5845 */
{ MIP6_MHIPV6AP, "Mobility Header IPv6 Address/Prefix"}, /* RFC5568 */
{ MIP6_BI, "Binding Identifier"}, /* RFC5648 */
{ MIP6_IPV4HAREQ, "IPv4 Home Address Request"}, /* RFC5844 */
{ MIP6_IPV4HAREP, "IPv4 Home Address Reply"}, /* RFC5844 */
{ MIP6_IPV4DRA, "IPv4 Default-Router Address"}, /* RFC5844 */
{ MIP6_IPV4DSM, "IPv4 DHCP Support Mode"}, /* RFC5844 */
{ MIP6_CR, "Context Request Option"}, /* RFC5949 */
{ MIP6_LMAA, "Local Mobility Anchor Address Option"}, /* RFC5949 */
{ MIP6_MNLLAII, "Mobile Node Link-local Address Interface Identifier Option"}, /* RFC5949 */
{ MIP6_TB, "Transient Binding"}, /* [RFC-ietf-mipshop-transient-bce-pmipv6-07] */
{ MIP6_FS, "Flow Summary"}, /* [RFC-ietf-mext-flow-binding-11] */
{ MIP6_FI, "Flow Identification"}, /* [RFC-ietf-mext-flow-binding-11]] */
{ 0, NULL }
};
/* Message lengths */
#define MIP6_BRR_LEN 2
#define MIP6_HOTI_LEN 10
#define MIP6_COTI_LEN 10
#define MIP6_HOT_LEN 18
#define MIP6_COT_LEN 18
#define MIP6_BU_LEN 6
#define MIP6_BA_LEN 6
#define MIP6_BE_LEN 18
#define FMIP6_FBU_LEN 6
#define FMIP6_FBACK_LEN 6
#define FMIP6_FNA_LEN 2
#define MIP6_EMH_LEN 0
#define MIP6_HAS_LEN 18
#define MIP6_HB_LEN 6
#define MIP6_HI_LEN 4
#define MIP6_HAck_LEN 4
#define MIP6_BR_LEN 6
/* PMIP BRI */
#define PMIP6_BRI_LEN 6
/* Field offsets & lengths for mobility headers */
#define MIP6_PROTO_OFF 0
#define MIP6_HLEN_OFF 1
#define MIP6_TYPE_OFF 2
#define MIP6_RES_OFF 3
#define MIP6_CSUM_OFF 4
#define MIP6_DATA_OFF 6
#define MIP6_PROTO_LEN 1
#define MIP6_HLEN_LEN 1
#define MIP6_TYPE_LEN 1
#define MIP6_RES_LEN 1
#define MIP6_CSUM_LEN 2
#define MIP6_BRR_RES_OFF 6
#define MIP6_BRR_OPTS_OFF 8
#define MIP6_BRR_RES_LEN 2
#define MIP6_HOTI_RES_OFF 6
#define MIP6_HOTI_COOKIE_OFF 8
#define MIP6_HOTI_OPTS_OFF 16
#define MIP6_HOTI_RES_LEN 2
#define MIP6_HOTI_COOKIE_LEN 8
#define MIP6_COTI_RES_OFF 6
#define MIP6_COTI_COOKIE_OFF 8
#define MIP6_COTI_OPTS_OFF 16
#define MIP6_COTI_RES_LEN 2
#define MIP6_COTI_COOKIE_LEN 8
#define MIP6_HOT_INDEX_OFF 6
#define MIP6_HOT_COOKIE_OFF 8
#define MIP6_HOT_TOKEN_OFF 16
#define MIP6_HOT_OPTS_OFF 24
#define MIP6_HOT_INDEX_LEN 2
#define MIP6_HOT_COOKIE_LEN 8
#define MIP6_HOT_TOKEN_LEN 8
#define MIP6_COT_INDEX_OFF 6
#define MIP6_COT_COOKIE_OFF 8
#define MIP6_COT_TOKEN_OFF 16
#define MIP6_COT_OPTS_OFF 24
#define MIP6_COT_INDEX_LEN 2
#define MIP6_COT_COOKIE_LEN 8
#define MIP6_COT_TOKEN_LEN 8
#define MIP6_BU_SEQNR_OFF 6
#define MIP6_BU_FLAGS_OFF 8
#define MIP6_BU_RES_OFF 9
#define MIP6_BU_LIFETIME_OFF 10
#define MIP6_BU_OPTS_OFF 12
#define MIP6_BU_SEQNR_LEN 2
#define MIP6_BU_FLAGS_LEN 2
#define MIP6_BU_RES_LEN 0
#define MIP6_BU_LIFETIME_LEN 2
#define MIP6_BA_STATUS_OFF 6
#define MIP6_BA_FLAGS_OFF 7
#define MIP6_BA_SEQNR_OFF 8
#define MIP6_BA_LIFETIME_OFF 10
#define MIP6_BA_OPTS_OFF 12
#define MIP6_BA_STATUS_LEN 1
#define MIP6_BA_FLAGS_LEN 1
#define MIP6_BA_SEQNR_LEN 2
#define MIP6_BA_LIFETIME_LEN 2
#define MIP6_BE_STATUS_OFF 6
#define MIP6_BE_RES_OFF 7
#define MIP6_BE_HOA_OFF 8
#define MIP6_BE_OPTS_OFF 24
#define MIP6_BE_STATUS_LEN 1
#define MIP6_BE_RES_LEN 1
#define MIP6_BE_HOA_LEN 16
#define FMIP6_FBU_SEQNR_OFF 6
#define FMIP6_FBU_FLAGS_OFF 8
#define FMIP6_FBU_RES_OFF 9
#define FMIP6_FBU_LIFETIME_OFF 10
#define FMIP6_FBU_OPTS_OFF 12
#define FMIP6_FBU_SEQNR_LEN 2
#define FMIP6_FBU_FLAGS_LEN 1
#define FMIP6_FBU_RES_LEN 1
#define FMIP6_FBU_LIFETIME_LEN 2
#define FMIP6_FBACK_STATUS_OFF 6
#define FMIP6_FBACK_FLAGS_OFF 7
#define FMIP6_FBACK_SEQNR_OFF 8
#define FMIP6_FBACK_LIFETIME_OFF 10
#define FMIP6_FBACK_OPTS_OFF 12
#define FMIP6_FBACK_STATUS_LEN 1
#define FMIP6_FBACK_FLAGS_LEN 1
#define FMIP6_FBACK_SEQNR_LEN 2
#define FMIP6_FBACK_LIFETIME_LEN 2
#define FMIP6_FNA_RES_OFF 6
#define FMIP6_FNA_OPTS_OFF 8
#define FMIP6_FNA_RES_LEN 2
#define MIP6_HAS_NRADR_OFF 6
#define MIP6_HAS_RES_OFF 7
#define MIP6_HAS_HAA_OFF 8
#define MIP6_HAS_OPTS_OFF 24
#define MIP6_HAS_NRADR_LEN 1
#define MIP6_HAS_RES_LEN 1
#define MIP6_HAS_HAA_LEN 16
#define MIP6_HB_RES_OFF 6
#define MIP6_HB_FLAGS_OFF 7
#define MIP6_HB_SEQNR_OFF 8
#define MIP6_HB_OPTS_OFF 12
#define MIP6_HB_RES_LEN 1
#define MIP6_HB_FLAGS_LEN 1
#define MIP6_HB_SEQNR_LEN 4
#define MIP6_HI_SEQNR_OFF 6
#define MIP6_HI_FLAGS_OFF 8
#define MIP6_HI_CODE_OFF 9
#define MIP6_HI_OPTS_OFF 10
#define MIP6_HI_SEQNR_LEN 2
#define MIP6_HI_FLAGS_LEN 1
#define MIP6_HI_CODE_LEN 1
#define MIP6_HAck_SEQNR_OFF 6
#define MIP6_HAck_RES_OFF 8
#define MIP6_HAck_CODE_OFF 9
#define MIP6_HAck_OPTS_OFF 10
#define MIP6_HAck_SEQNR_LEN 2
#define MIP6_HAck_RES_LEN 1
#define MIP6_HAck_CODE_LEN 1
#define MIP6_BR_TYPE_OFF 6
#define MIP6_BR_TRGR_OFF 7
#define MIP6_BR_SEQNR_OFF 8
#define MIP6_BR_FLAGS_OFF 10
#define MIP6_BR_RES_OFF 11
#define MIP6_BR_OPTS_OFF 12
#define MIP6_BR_TYPE_LEN 1
#define MIP6_BR_TRGR_LEN 1
#define MIP6_BR_SEQNR_LEN 2
#define MIP6_BR_FLAGS_LEN 1
#define MIP6_BR_RES_LEN 1
/* PMIP BRI */
#define PMIP6_BRI_BRTYPE_OFF 6
#define PMIP6_BRI_RTRIGGER_OFF 7
#define PMIP6_BRI_STATUS_OFF 7
#define PMIP6_BRI_SEQNR_OFF 8
#define PMIP6_BRI_FLAGS_OFF 10
#define PMIP6_BRI_RES_OFF 11
#define PMIP6_BRI_BRTYPE_LEN 1
#define PMIP6_BRI_RTRIGGER_LEN 1
#define PMIP6_BRI_STATUS_LEN 1
#define PMIP6_BRI_SEQNR_LEN 2
#define PMIP6_BRI_FLAGS_LEN 1
#define PMIP6_BRI_RES_LEN 1
/* Field offsets & field and option lengths for mobility options.
* The option length does *not* include the option type and length
* fields. The field offsets, however, do include the type and
* length fields. */
#define MIP6_BRA_LEN 2
#define MIP6_BRA_RI_OFF 2
#define MIP6_BRA_RI_LEN 2
#define MIP6_ACOA_LEN 16
#define MIP6_ACOA_ACOA_OFF 2
#define MIP6_ACOA_ACOA_LEN 16
#define MIP6_NEMO_MNP_LEN 18
#define MIP6_NEMO_MNP_PL_OFF 3
#define MIP6_NEMO_MNP_MNP_OFF 4
#define MIP6_NEMO_MNP_MNP_LEN 16
#define MIP6_NI_LEN 4
#define MIP6_NI_HNI_OFF 2
#define MIP6_NI_CNI_OFF 4
#define MIP6_NI_HNI_LEN 2
#define MIP6_NI_CNI_LEN 2
#define MIP6_BAD_AUTH_OFF 2
#define FMIP6_LLA_MINLEN 1
#define FMIP6_LLA_OPTCODE_OFF 2
#define FMIP6_LLA_LLA_OFF 3
#define FMIP6_LLA_OPTCODE_LEN 1
#define MIP6_MNID_MINLEN 2
#define MIP6_MNID_SUBTYPE_OFF 2
#define MIP6_MNID_SUBTYPE_LEN 1
#define MIP6_MNID_MNID_OFF 3
#define MIP6_VSM_MINLEN 2
#define MIP6_VSM_VID_OFF 2
#define MIP6_VSM_VID_LEN 4
#define MIP6_VSM_SUBTYPE_OFF 6
#define MIP6_VSM_SUBTYPE_LEN 1
#define MIP6_VSM_DATA_OFF 7
#define MIP6_SSM_MINLEN 2
#define MIP6_SSM_SSM_OFF 2
#define PMIP6_HI_LEN 2
#define PMIP6_HI_HI_OFF 3
#define PMIP6_HI_HI_LEN 1
#define PMIP6_ATT_LEN 2
#define PMIP6_ATT_ATT_OFF 3
#define PMIP6_ATT_ATT_LEN 1
#define PMIP6_LLA_LEN 16
#define PMIP6_TS_LEN 8
#define PMIP6_RC_LEN 4
#define PMIP6_RC_RC_OFF 2
#define PMIP6_RC_RC_LEN 4
#define MIP6_IPV4HA_LEN 6
#define MIP6_IPV4HA_PREFIXL_OFF 2
#define MIP6_IPV4HA_PREFIXL_LEN 1
#define MIP6_IPV4HA_HA_OFF 4
#define MIP6_IPV4HA_HA_LEN 4
#define MIP6_IPV4AA_LEN 6
#define MIP6_IPV4AA_STATUS_OFF 2
#define MIP6_IPV4AA_STATUS_LEN 1
#define MIP6_IPV4AA_PREFIXL_OFF 3
#define MIP6_IPV4AA_PREFIXL_LEN 1
#define MIP6_IPV4AA_HA_OFF 4
#define MIP6_IPV4AA_HA_LEN 4
#define PMIP6_GREK_LEN 6
#define PMIP6_GREK_ID_OFF 4
#define PMIP6_GREK_ID_LEN 4
#define MIP6_IPV4HAREQ_LEN 6
#define MIP6_IPV4HAREQ_PREFIXL_OFF 2
#define MIP6_IPV4HAREQ_PREFIXL_LEN 1
#define MIP6_IPV4HAREQ_HA_OFF 4
#define MIP6_IPV4HAREQ_HA_LEN 4
#define MIP6_IPV4HAREP_LEN 6
#define MIP6_IPV4HAREP_STATUS_OFF 2
#define MIP6_IPV4HAREP_STATUS_LEN 1
#define MIP6_IPV4HAREP_PREFIXL_OFF 3
#define MIP6_IPV4HAREP_PREFIXL_LEN 1
#define MIP6_IPV4HAREP_HA_OFF 4
#define MIP6_IPV4HAREP_HA_LEN 4
#define MIP6_IPV4DRA_LEN 6
#define MIP6_IPV4DRA_RES_OFF 2
#define MIP6_IPV4DRA_RES_LEN 2
#define MIP6_IPV4DRA_DRA_OFF 4
#define MIP6_IPV4DRA_DRA_LEN 4
static dissector_table_t ip_dissector_table;
/* Initialize the protocol and registered header fields */
static int proto_mip6 = -1;
static int proto_nemo = -1;
static int hf_mip6_proto = -1;
static int hf_mip6_hlen = -1;
static int hf_mip6_mhtype = -1;
static int hf_mip6_reserved = -1;
static int hf_mip6_csum = -1;
static int hf_mip6_hoti_cookie = -1;
static int hf_mip6_coti_cookie = -1;
static int hf_mip6_hot_nindex = -1;
static int hf_mip6_hot_cookie = -1;
static int hf_mip6_hot_token = -1;
static int hf_mip6_cot_nindex = -1;
static int hf_mip6_cot_cookie = -1;
static int hf_mip6_cot_token = -1;
static int hf_mip6_bu_seqnr = -1;
static int hf_mip6_bu_a_flag = -1;
static int hf_mip6_bu_h_flag = -1;
static int hf_mip6_bu_l_flag = -1;
static int hf_mip6_bu_k_flag = -1;
static int hf_mip6_bu_m_flag = -1;
static int hf_mip6_nemo_bu_r_flag = -1;
static int hf_pmip6_bu_p_flag = -1;
static int hf_mip6_bu_f_flag = -1;
static int hf_pmip6_bu_t_flag = -1;
static int hf_mip6_bu_lifetime = -1;
static int hf_mip6_ba_status = -1;
static int hf_mip6_ba_k_flag = -1;
static int hf_mip6_nemo_ba_r_flag = -1;
static int hf_pmip6_ba_p_flag = -1;
static int hf_pmip6_ba_t_flag = -1;
static int hf_mip6_ba_seqnr = -1;
static int hf_mip6_ba_lifetime = -1;
static int hf_mip6_be_status = -1;
static int hf_mip6_be_haddr = -1;
static int hf_fmip6_fbu_seqnr = -1;
static int hf_fmip6_fbu_a_flag = -1;
static int hf_fmip6_fbu_h_flag = -1;
static int hf_fmip6_fbu_l_flag = -1;
static int hf_fmip6_fbu_k_flag = -1;
static int hf_fmip6_fbu_lifetime = -1;
static int hf_fmip6_fback_status = -1;
static int hf_fmip6_fback_k_flag = -1;
static int hf_fmip6_fback_seqnr = -1;
static int hf_fmip6_fback_lifetime = -1;
static int hf_mip6_hb_u_flag = -1;
static int hf_mip6_hb_r_flag = -1;
static int hf_mip6_hb_seqnr = -1;
static int hf_mip6_bra_interval = -1;
static int hf_mip6_acoa_acoa = -1;
static int hf_mip6_nemo_mnp_mnp = -1;
static int hf_mip6_nemo_mnp_pfl = -1;
static int hf_mip6_ni_hni = -1;
static int hf_mip6_ni_cni = -1;
static int hf_mip6_bad_auth = -1;
static int hf_fmip6_lla_optcode = -1;
static int hf_mip6_mnid_subtype = -1;
static int hf_mip6_vsm_vid = -1;
static int hf_mip6_vsm_subtype = -1;
static int hf_mip6_vsm_subtype_3gpp = -1;
static int hf_pmip6_hi_opttype = -1;
static int hf_pmip6_att_opttype = -1;
static int hf_pmip6_timestamp = -1;
static int hf_pmip6_rc = -1;
static int hf_mip6_ipv4ha_preflen = -1;
static int hf_mip6_ipv4ha_p_flag = -1;
static int hf_mip6_ipv4ha_ha = -1;
static int hf_mip6_ipv4aa_status = -1;
static int hf_pmip6_gre_key = -1;
static int hf_mip6_ipv4dra_dra = -1;
static int hf_mip6_mobility_opt = -1;
/* PMIP BRI */
static int hf_pmip6_bri_brtype = -1;
static int hf_pmip6_bri_rtrigger = -1;
static int hf_pmip6_bri_status = -1;
static int hf_pmip6_bri_seqnr = -1;
static int hf_pmip6_bri_ip_flag = -1;
static int hf_pmip6_bri_ap_flag = -1;
static int hf_pmip6_bri_ia_flag = -1;
static int hf_pmip6_bri_ig_flag = -1;
static int hf_pmip6_bri_ag_flag = -1;
static int hf_pmip6_bri_res = -1;
static int hf_pmip6_opt_lila_lla = -1;
/* Initialize the subtree pointers */
static gint ett_mip6 = -1;
static gint ett_mip6_opt_padn = -1;
static gint ett_mip6_opt_bra = -1;
static gint ett_mip6_opt_acoa = -1;
static gint ett_mip6_opt_ni = -1;
static gint ett_mip6_opt_bad = -1;
static gint ett_mip6_nemo_opt_mnp = -1;
static gint ett_fmip6_opt_lla = -1;
static gint ett_mip6_opt_mnid = -1;
static gint ett_mip6_opt_vsm = -1;
static gint ett_mip6_opt_ssm = -1;
static gint ett_pmip6_opt_hnp = -1;
static gint ett_pmip6_opt_hi = -1;
static gint ett_pmip6_opt_att = -1;
static gint ett_pmip6_opt_lla = -1;
static gint ett_pmip6_opt_ts = -1;
static gint ett_pmip6_opt_rc = -1;
static gint ett_mip6_opt_ipv4ha = -1;
static gint ett_mip6_opt_ipv4aa = -1;
static gint ett_pmip6_opt_grek = -1;
static gint ett_mip6_opt_ipv4hareq = -1;
static gint ett_mip6_opt_ipv4harep = -1;
static gint ett_mip6_opt_ipv4dra = -1;
/* Functions to dissect the mobility headers */
static int
dissect_mip6_brr(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
/*proto_tree *data_tree = NULL;*/
/*proto_item *ti;*/
col_set_str(pinfo->cinfo, COL_INFO, "Binding Refresh Request");
if (mip6_tree) {
/*ti = */proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BRR_LEN, "Binding Refresh Request");
/*data_tree = proto_item_add_subtree(ti, ett_mip6);*/
}
return MIP6_DATA_OFF + MIP6_BRR_LEN;
}
static int
dissect_mip6_hoti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Home Test Init");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_HOTI_LEN, "Home Test Init");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_hoti_cookie, tvb,
MIP6_HOTI_COOKIE_OFF, MIP6_HOTI_COOKIE_LEN, ENC_BIG_ENDIAN);
}
return MIP6_DATA_OFF + MIP6_HOTI_LEN;
}
static int
dissect_mip6_coti(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test Init");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_COTI_LEN, "Care-of Test Init");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_coti_cookie, tvb,
MIP6_COTI_COOKIE_OFF, MIP6_COTI_COOKIE_LEN, ENC_BIG_ENDIAN);
}
return MIP6_DATA_OFF + MIP6_COTI_LEN;
}
static int
dissect_mip6_hot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Home Test");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_HOT_LEN, "Home Test");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_hot_nindex, tvb,
MIP6_HOT_INDEX_OFF, MIP6_HOT_INDEX_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_hot_cookie, tvb,
MIP6_HOT_COOKIE_OFF, MIP6_HOT_COOKIE_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb,
MIP6_HOT_TOKEN_OFF, MIP6_HOT_TOKEN_LEN, ENC_BIG_ENDIAN);
}
return MIP6_DATA_OFF + MIP6_HOT_LEN;
}
static int
dissect_mip6_cot(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Care-of Test");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_COT_LEN, "Care-of Test");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_cot_nindex, tvb,
MIP6_COT_INDEX_OFF, MIP6_COT_INDEX_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_cot_cookie, tvb,
MIP6_COT_COOKIE_OFF, MIP6_COT_COOKIE_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_hot_token, tvb,
MIP6_COT_TOKEN_OFF, MIP6_COT_TOKEN_LEN, ENC_BIG_ENDIAN);
}
return MIP6_DATA_OFF + MIP6_COT_LEN;
}
/* RFC3775 */
static int
dissect_mip6_bu(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
int lifetime;
col_set_str(pinfo->cinfo, COL_INFO, "Binding Update");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BU_LEN, "Binding Update");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_bu_seqnr, tvb,
MIP6_BU_SEQNR_OFF, MIP6_BU_SEQNR_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_bu_a_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_bu_h_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_bu_l_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_bu_k_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_bu_m_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_nemo_bu_r_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_pmip6_bu_p_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_bu_f_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_pmip6_bu_t_flag, tvb,
MIP6_BU_FLAGS_OFF, MIP6_BU_FLAGS_LEN, ENC_BIG_ENDIAN);
if ((tvb_get_guint8(tvb, MIP6_BU_FLAGS_OFF) & 0x0004 ) == 0x0004)
proto_nemo = 1;
lifetime = tvb_get_ntohs(tvb, MIP6_BU_LIFETIME_OFF);
proto_tree_add_uint_format(data_tree, hf_mip6_bu_lifetime, tvb,
MIP6_BU_LIFETIME_OFF,
MIP6_BU_LIFETIME_LEN, lifetime,
"Lifetime: %d (%ld seconds)",
lifetime, (long)lifetime * 4);
}
return MIP6_DATA_OFF + MIP6_BU_LEN;
}
static int
dissect_mip6_ba(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
int lifetime;
col_set_str(pinfo->cinfo, COL_INFO, "Binding Acknowledgement");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BA_LEN, "Binding Acknowledgement");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_ba_status, tvb,
MIP6_BA_STATUS_OFF, MIP6_BA_STATUS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_ba_k_flag, tvb,
MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_nemo_ba_r_flag, tvb,
MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_pmip6_ba_p_flag, tvb,
MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_pmip6_ba_t_flag, tvb,
MIP6_BA_FLAGS_OFF, MIP6_BA_FLAGS_LEN, ENC_BIG_ENDIAN);
if ((tvb_get_guint8(tvb, MIP6_BA_FLAGS_OFF) & 0x0040 ) == 0x0040)
proto_nemo = 1;
proto_tree_add_item(data_tree, hf_mip6_ba_seqnr, tvb,
MIP6_BA_SEQNR_OFF, MIP6_BA_SEQNR_LEN, ENC_BIG_ENDIAN);
lifetime = tvb_get_ntohs(tvb, MIP6_BA_LIFETIME_OFF);
proto_tree_add_uint_format(data_tree, hf_mip6_ba_lifetime, tvb,
MIP6_BA_LIFETIME_OFF,
MIP6_BA_LIFETIME_LEN, lifetime,
"Lifetime: %d (%ld seconds)",
lifetime, (long)lifetime * 4);
}
return MIP6_DATA_OFF + MIP6_BA_LEN;
}
static int
dissect_mip6_be(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Binding Error");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BE_LEN, "Binding Error");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_be_status, tvb,
MIP6_BE_STATUS_OFF, MIP6_BE_STATUS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_be_haddr, tvb,
MIP6_BE_HOA_OFF, MIP6_BE_HOA_LEN, ENC_NA);
}
return MIP6_DATA_OFF + MIP6_BE_LEN;
}
static int
dissect_mip6_hb(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
col_set_str(pinfo->cinfo, COL_INFO, "Heartbeat");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_HB_LEN, "Heartbeat");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_mip6_hb_u_flag, tvb,
MIP6_HB_FLAGS_OFF, MIP6_HB_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_hb_r_flag, tvb,
MIP6_HB_FLAGS_OFF, MIP6_HB_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_mip6_hb_seqnr, tvb,
MIP6_HB_SEQNR_OFF, MIP6_HB_SEQNR_LEN, ENC_BIG_ENDIAN);
}
return MIP6_DATA_OFF + MIP6_HB_LEN;
}
static int
dissect_mip6_unknown(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
/*proto_tree *data_tree = NULL;*/
/*proto_item *ti;*/
col_set_str(pinfo->cinfo, COL_INFO, "Unknown MH Type");
if (mip6_tree) {
/*ti = */proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_DATA_OFF + 1, "Unknown MH Type");
/*data_tree = proto_item_add_subtree(ti, ett_mip6);*/
}
return MIP6_DATA_OFF + 1;
}
static int
dissect_fmip6_fbu(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
int lifetime;
col_set_str(pinfo->cinfo, COL_INFO, "Fast Binding Update");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
MIP6_BU_LEN, "Fast Binding Update");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_fmip6_fbu_seqnr, tvb,
FMIP6_FBU_SEQNR_OFF, FMIP6_FBU_SEQNR_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_fmip6_fbu_a_flag, tvb,
FMIP6_FBU_FLAGS_OFF, FMIP6_FBU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_fmip6_fbu_h_flag, tvb,
FMIP6_FBU_FLAGS_OFF, FMIP6_FBU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_fmip6_fbu_l_flag, tvb,
FMIP6_FBU_FLAGS_OFF, FMIP6_FBU_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_fmip6_fbu_k_flag, tvb,
FMIP6_FBU_FLAGS_OFF, FMIP6_FBU_FLAGS_LEN, ENC_BIG_ENDIAN);
lifetime = tvb_get_ntohs(tvb, FMIP6_FBU_LIFETIME_OFF);
proto_tree_add_uint_format(data_tree, hf_fmip6_fbu_lifetime, tvb,
FMIP6_FBU_LIFETIME_OFF,
FMIP6_FBU_LIFETIME_LEN, lifetime,
"Lifetime: %d (%ld seconds)",
lifetime, (long)lifetime * 4);
}
return MIP6_DATA_OFF + FMIP6_FBU_LEN;
}
static int
dissect_fmip6_fback(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
proto_tree *data_tree = NULL;
proto_item *ti;
int lifetime;
col_set_str(pinfo->cinfo, COL_INFO, "Fast Binding Acknowledgement");
if (mip6_tree) {
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
FMIP6_FBACK_LEN, "Fast Binding Acknowledgement");
data_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(data_tree, hf_fmip6_fback_status, tvb,
FMIP6_FBACK_STATUS_OFF, FMIP6_FBACK_STATUS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_fmip6_fback_k_flag, tvb,
FMIP6_FBACK_FLAGS_OFF, FMIP6_FBACK_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(data_tree, hf_fmip6_fback_seqnr, tvb,
FMIP6_FBACK_SEQNR_OFF, FMIP6_FBACK_SEQNR_LEN, ENC_BIG_ENDIAN);
lifetime = tvb_get_ntohs(tvb, FMIP6_FBACK_LIFETIME_OFF);
proto_tree_add_uint_format(data_tree, hf_fmip6_fback_lifetime, tvb,
FMIP6_FBACK_LIFETIME_OFF,
FMIP6_FBACK_LIFETIME_LEN, lifetime,
"Lifetime: %d (%ld seconds)",
lifetime, (long)lifetime * 4);
}
return MIP6_DATA_OFF + FMIP6_FBACK_LEN;
}
static int
dissect_fmip6_fna(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
/*proto_tree *data_tree = NULL;*/
/*proto_item *ti;*/
col_set_str(pinfo->cinfo, COL_INFO, "Fast Neighbor Advertisement");
if (mip6_tree) {
/*ti = */proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
FMIP6_FNA_LEN, "Fast Neighbor Advertisement");
/*data_tree = proto_item_add_subtree(ti, ett_mip6);*/
}
return MIP6_DATA_OFF + FMIP6_FNA_LEN;
}
/* PMIP Binding Revocation Indication / Acknowledge */
static int
dissect_pmip6_bri(tvbuff_t *tvb, proto_tree *mip6_tree, packet_info *pinfo)
{
#define INDICATION 1
#define ACKNOWLEDGE 2
proto_item *ti;
proto_tree *field_tree;
guint8 br_type;
br_type = tvb_get_guint8(tvb, PMIP6_BRI_BRTYPE_OFF);
/* Branch between BR Indication and BR Acknowledge */
if ( br_type == INDICATION )
{
col_set_str(pinfo->cinfo, COL_INFO, "Binding Revocation Indication");
if (mip6_tree)
{
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
PMIP6_BRI_LEN, "Binding Revocation Indication");
field_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(field_tree, hf_pmip6_bri_brtype, tvb,
PMIP6_BRI_BRTYPE_OFF, PMIP6_BRI_BRTYPE_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_rtrigger, tvb,
PMIP6_BRI_RTRIGGER_OFF, PMIP6_BRI_RTRIGGER_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_seqnr, tvb,
PMIP6_BRI_SEQNR_OFF, PMIP6_BRI_SEQNR_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_ip_flag, tvb,
PMIP6_BRI_FLAGS_OFF, PMIP6_BRI_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_ia_flag, tvb,
PMIP6_BRI_FLAGS_OFF, PMIP6_BRI_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_ig_flag, tvb,
PMIP6_BRI_FLAGS_OFF, PMIP6_BRI_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_res, tvb,
PMIP6_BRI_RES_OFF, PMIP6_BRI_RES_LEN, ENC_BIG_ENDIAN);
}
} else if ( br_type == ACKNOWLEDGE ) {
if (check_col(pinfo->cinfo, COL_INFO))
col_set_str(pinfo->cinfo, COL_INFO, "Binding Revocation Acknowledge");
if (mip6_tree)
{
ti = proto_tree_add_text(mip6_tree, tvb, MIP6_DATA_OFF,
PMIP6_BRI_LEN, "Binding Revocation Acknowledge");
field_tree = proto_item_add_subtree(ti, ett_mip6);
proto_tree_add_item(field_tree, hf_pmip6_bri_brtype, tvb,
PMIP6_BRI_BRTYPE_OFF, PMIP6_BRI_BRTYPE_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_status, tvb,
PMIP6_BRI_STATUS_OFF, PMIP6_BRI_STATUS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_seqnr, tvb,
PMIP6_BRI_SEQNR_OFF, PMIP6_BRI_SEQNR_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_ap_flag, tvb,
PMIP6_BRI_FLAGS_OFF, PMIP6_BRI_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_ag_flag, tvb,
PMIP6_BRI_FLAGS_OFF, PMIP6_BRI_FLAGS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_pmip6_bri_res, tvb,
PMIP6_BRI_RES_OFF, PMIP6_BRI_RES_LEN, ENC_BIG_ENDIAN);
}
}
return MIP6_DATA_OFF + PMIP6_BRI_LEN;
}
/* Functions to dissect the mobility options */
static void
dissect_mip6_opt_padn(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_,
proto_tree *opt_tree)
{
proto_tree_add_text(opt_tree, tvb, offset, optlen,
"%s: %u bytes", optp->name, optlen);
}
static void
dissect_mip6_opt_bra(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_,
proto_tree *opt_tree)
{
int ri;
ri = tvb_get_ntohs(tvb, offset + MIP6_BRA_RI_OFF);
proto_tree_add_uint_format(opt_tree, hf_mip6_bra_interval, tvb,
offset, optlen,
ri, "Refresh interval: %d (%ld seconds)",
ri, (long)ri * 4);
}
static void
dissect_mip6_opt_acoa(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_,
proto_tree *opt_tree)
{
proto_tree_add_ipv6(opt_tree, hf_mip6_acoa_acoa, tvb, offset, optlen,
tvb_get_ptr(tvb, offset + MIP6_ACOA_ACOA_OFF, MIP6_ACOA_ACOA_LEN));
}
static void
dissect_mip6_nemo_opt_mnp(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_,
proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_nemo_mnp_pfl, tvb,
offset + MIP6_NEMO_MNP_PL_OFF, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_nemo_mnp_mnp, tvb,
offset + MIP6_NEMO_MNP_MNP_OFF, MIP6_NEMO_MNP_MNP_LEN, ENC_NA);
}
static void
dissect_mip6_opt_ni(const ip_tcp_opt *optp, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_,
proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_ni_hni, tvb,
offset + MIP6_NI_HNI_OFF, MIP6_NI_HNI_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ni_cni, tvb,
offset + MIP6_NI_CNI_OFF, MIP6_NI_CNI_LEN, ENC_BIG_ENDIAN);
}
/* 5 Authorization Data */
static void
dissect_mip6_opt_bad(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_,
proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_bad_auth, tvb,
offset + MIP6_BAD_AUTH_OFF,
optlen - MIP6_BAD_AUTH_OFF, ENC_NA);
}
/* 7 Mobility Header Link-Layer Address option [RFC5568] */
static void
dissect_fmip6_opt_lla(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_,
proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
int len, p;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_fmip6_lla_optcode, tvb,
offset + FMIP6_LLA_OPTCODE_OFF, FMIP6_LLA_OPTCODE_LEN, ENC_BIG_ENDIAN);
p = offset + FMIP6_LLA_LLA_OFF;
len = optlen - FMIP6_LLA_LLA_OFF;
if (len > 0) {
/*
* I'm not sure what "The format of the option when the LLA is 6
* bytes is shown in Figure 15. When the LLA size is different,
* the option MUST be aligned appropriately. See Section 6.2 in
* [3]." in RFC 4068 says should be done with an LLA size other
* than 6 bytes; section 6.2 in RFC 3775 (reference 3 in RFC 4068)
* says "Mobility options may have alignment requirements. Following
* the convention in IPv6, these options are aligned in a packet so
* that multi-octet values within the Option Data field of each
* option fall on natural boundaries (i.e., fields of width n octets
* are placed at an integer multiple of n octets from the start of
* the header, for n = 1, 2, 4, or 8) [11]."
*
* Reference 11 in RFC 3775 is RFC 2460, the IPv6 spec; nothing
* in there seems to talk about inserting padding *inside* the
* data value of an option, so I'm not sure what the extra pad0
* is doing there, unless the idea is to arrange that the LLA is
* at least aligned on a 2-byte boundary, in which case presumably
* it's always present. We'll assume that.
*/
if (len > 1) {
/* Skip padding. */
p += 1;
len -= 1;
proto_tree_add_text(field_tree, tvb,
p, len, "Link-layer address: %s",
tvb_bytes_to_str_punct(tvb, p, len, ':'));
}
}
}
/* 8 MN-ID-OPTION-TYPE */
static void
dissect_mip6_opt_mnid(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
int len, p;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_mnid_subtype, tvb,
offset + MIP6_MNID_SUBTYPE_OFF, MIP6_MNID_SUBTYPE_LEN, ENC_BIG_ENDIAN);
p = offset + MIP6_MNID_MNID_OFF;
len = optlen - MIP6_MNID_MNID_OFF;
if (len > 0)
proto_tree_add_text(field_tree, tvb, p, len, "Identifier: %s", tvb_format_text(tvb, p, len));
}
/* 19 Vendor Specific Mobility Option [RFC5094] */
static void
dissect_mip6_opt_vsm(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
int len, p;
guint32 vendorid;
int hf_mip6_vsm_subtype_local;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_vsm_vid, tvb,
offset + MIP6_VSM_VID_OFF, MIP6_VSM_VID_LEN, ENC_BIG_ENDIAN);
vendorid = tvb_get_ntohl(tvb, offset+MIP6_VSM_VID_OFF);
switch (vendorid) {
case VENDOR_THE3GPP:
hf_mip6_vsm_subtype_local = hf_mip6_vsm_subtype_3gpp;
break;
default:
hf_mip6_vsm_subtype_local = hf_mip6_vsm_subtype;
break;
}
proto_tree_add_item(field_tree, hf_mip6_vsm_subtype_local, tvb,
offset + MIP6_VSM_SUBTYPE_OFF, MIP6_VSM_SUBTYPE_LEN, ENC_BIG_ENDIAN);
p = offset + MIP6_VSM_DATA_OFF;
len = optlen - MIP6_VSM_DATA_OFF;
if (len > 0)
proto_tree_add_text(field_tree, tvb, p, len, "Data");
}
/* 20 Service Selection Mobility Option [RFC5149] */
static void
dissect_mip6_opt_ssm(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
int len, p;
p = offset + MIP6_SSM_SSM_OFF;
len = optlen - MIP6_SSM_SSM_OFF;
if (len > 0)
proto_tree_add_text(opt_tree, tvb, p, len, "Identifier: %s", tvb_format_text(tvb, p, len));
}
/* 23 Handoff Indicator Option [RFC5213] */
static void
dissect_pmip6_opt_hi(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen _U_, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree_add_item(opt_tree, hf_pmip6_hi_opttype, tvb,
offset + PMIP6_HI_HI_OFF, PMIP6_HI_HI_LEN, ENC_BIG_ENDIAN);
}
/* 24 Access Technology Type Option [RFC5213] */
static void
dissect_pmip6_opt_att(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen _U_, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree_add_item(opt_tree, hf_pmip6_att_opttype, tvb,
offset + PMIP6_ATT_ATT_OFF, PMIP6_ATT_ATT_LEN, ENC_BIG_ENDIAN);
}
/* 26 Link-local Address Option [RFC5213 */
static void dissect_pmip6_opt_lla(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_item *ti;
proto_tree *field_tree;
if (opt_tree){
ti = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(ti, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_pmip6_opt_lila_lla, tvb, offset + 2, 16, ENC_NA);
}
}
/* 27 Timestamp */
static void
dissect_pmip6_opt_ts(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen _U_, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree_add_item(opt_tree, hf_pmip6_timestamp, tvb, offset+2, 8,
ENC_TIME_NTP|ENC_BIG_ENDIAN);
}
/* 28 Restart Counter [RFC5847] */
static void
dissect_pmip6_opt_rc(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen _U_, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree_add_item(opt_tree, hf_pmip6_rc, tvb,
offset + PMIP6_RC_RC_OFF, PMIP6_RC_RC_LEN, ENC_BIG_ENDIAN);
}
/* 29 IPv4 Home Address [RFC5555] */
static void
dissect_pmip6_opt_ipv4ha(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
int len, p;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
p = offset + MIP6_IPV4HA_PREFIXL_OFF;
len = MIP6_IPV4HA_PREFIXL_LEN;
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_preflen, tvb, p, len, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_p_flag, tvb, p, len+1, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_ha, tvb,
offset + MIP6_IPV4HA_HA_OFF, MIP6_IPV4HA_HA_LEN, ENC_BIG_ENDIAN);
}
/* 30 IPv4 Address Acknowledgement [RFC5555] */
static void
dissect_pmip6_opt_ipv4aa(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_ipv4aa_status, tvb,
offset + MIP6_IPV4AA_STATUS_OFF, MIP6_IPV4AA_STATUS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_preflen, tvb,
offset + MIP6_IPV4AA_PREFIXL_OFF, MIP6_IPV4AA_PREFIXL_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_ha, tvb,
offset + MIP6_IPV4AA_HA_OFF, MIP6_IPV4AA_HA_LEN, ENC_BIG_ENDIAN);
}
/* 33 GRE Key Option [RFC5845] */
static void
dissect_pmip6_opt_grek(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen _U_, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree_add_item(opt_tree, hf_pmip6_gre_key, tvb,
offset + PMIP6_GREK_ID_OFF, PMIP6_GREK_ID_LEN, ENC_BIG_ENDIAN);
}
/* 36 IPv4 Home Address Request [RFC5844] */
static void
dissect_pmip6_opt_ipv4hareq(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_preflen, tvb,
offset + MIP6_IPV4HAREQ_PREFIXL_OFF, MIP6_IPV4HAREQ_PREFIXL_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_ha, tvb,
offset + MIP6_IPV4HAREQ_HA_OFF, MIP6_IPV4HAREQ_HA_LEN, ENC_BIG_ENDIAN);
}
/* 37 IPv4 Home Address Reply [RFC5844] */
static void
dissect_pmip6_opt_ipv4harep(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_ipv4aa_status, tvb,
offset + MIP6_IPV4HAREP_STATUS_OFF, MIP6_IPV4HAREP_STATUS_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_preflen, tvb,
offset + MIP6_IPV4HAREP_PREFIXL_OFF, MIP6_IPV4HAREP_PREFIXL_LEN, ENC_BIG_ENDIAN);
proto_tree_add_item(field_tree, hf_mip6_ipv4ha_ha, tvb,
offset + MIP6_IPV4HAREP_HA_OFF, MIP6_IPV4HAREP_HA_LEN, ENC_BIG_ENDIAN);
}
/* 38 IPv4 Default-Router Address [RFC5844] */
static void
dissect_pmip6_opt_ipv4dra(const ip_tcp_opt *optp _U_, tvbuff_t *tvb, int offset,
guint optlen, packet_info *pinfo _U_, proto_tree *opt_tree)
{
proto_tree *field_tree = NULL;
proto_item *tf;
tf = proto_tree_add_text(opt_tree, tvb, offset, optlen, "%s", optp->name);
field_tree = proto_item_add_subtree(tf, *optp->subtree_index);
proto_tree_add_item(field_tree, hf_mip6_ipv4dra_dra, tvb,
offset + MIP6_IPV4DRA_DRA_OFF, MIP6_IPV4DRA_DRA_LEN, ENC_BIG_ENDIAN);
}
static const ip_tcp_opt mip6_opts[] = {
{
MIP6_PAD1, /* 0 Pad1 [RFC3775] */
"Pad1",
NULL,
OPT_LEN_NO_LENGTH,
0,
NULL,
},
{
MIP6_PADN, /* 1 PadN [RFC3775] */
"PadN",
&ett_mip6_opt_padn,
OPT_LEN_VARIABLE_LENGTH,
0,
dissect_mip6_opt_padn
},
{
MIP6_BRA, /* 2 Binding Refresh Advice */
"Binding Refresh Advice",
&ett_mip6_opt_bra,
OPT_LEN_FIXED_LENGTH,
MIP6_BRA_LEN,
dissect_mip6_opt_bra
},
{
MIP6_ACOA, /*3 Alternate Care-of Address */
"Alternate Care-of Address",
&ett_mip6_opt_acoa,
OPT_LEN_FIXED_LENGTH,
MIP6_ACOA_LEN,
dissect_mip6_opt_acoa
},
{
MIP6_NI, /* 4 Nonce Indices */
"Nonce Indices",
&ett_mip6_opt_ni,
OPT_LEN_FIXED_LENGTH,
MIP6_NI_LEN,
dissect_mip6_opt_ni
},
{
MIP6_AUTD, /* 5 Authorization Data */
"Authorization Data",
&ett_mip6_opt_bad,
OPT_LEN_VARIABLE_LENGTH,
0,
dissect_mip6_opt_bad
},
{
MIP6_MNP, /* 6 Mobile Network Prefix Option */
"Mobile Network Prefix",
&ett_mip6_nemo_opt_mnp,
OPT_LEN_FIXED_LENGTH,
MIP6_NEMO_MNP_LEN,
dissect_mip6_nemo_opt_mnp
},
{
MIP6_MHLLA, /* 7 Mobility Header Link-Layer Address option [RFC5568] */
"Mobility Header Link-Layer Address option",
&ett_fmip6_opt_lla,
OPT_LEN_VARIABLE_LENGTH,
FMIP6_LLA_MINLEN,
dissect_fmip6_opt_lla
},
{
MIP6_MNID, /* 8 MN-ID-OPTION-TYPE */
"Mobile Node Identifier",
&ett_mip6_opt_mnid,
OPT_LEN_VARIABLE_LENGTH,
MIP6_MNID_MINLEN,
dissect_mip6_opt_mnid
},
{
MIP6_VSM, /* 19 Vendor Specific Mobility Option [RFC5094] */
"Vendor Specific Mobility",
&ett_mip6_opt_vsm,
OPT_LEN_VARIABLE_LENGTH,
MIP6_VSM_MINLEN,
dissect_mip6_opt_vsm
},
{
MIP6_SSM, /* 20 Service Selection Mobility Option [RFC5149] */
"Service Selection Mobility",
&ett_mip6_opt_ssm,
OPT_LEN_VARIABLE_LENGTH,
MIP6_SSM_MINLEN,
dissect_mip6_opt_ssm
},
{
MIP6_HNP, /* 22 Home Network Prefix Option [RFC5213] */
"Home Network Prefix",
&ett_pmip6_opt_hnp,
OPT_LEN_FIXED_LENGTH,
MIP6_NEMO_MNP_LEN,
dissect_mip6_nemo_opt_mnp
},
{
MIP6_MOHI, /* 23 Handoff Indicator Option [RFC5213] */
"Handoff Indicator Option",
&ett_pmip6_opt_hi,
OPT_LEN_FIXED_LENGTH,
PMIP6_HI_LEN,
dissect_pmip6_opt_hi
},
{
MIP6_ATT, /* 24 Access Technology Type Option [RFC5213] */
"Access Technology Type Option",
&ett_pmip6_opt_att,
OPT_LEN_FIXED_LENGTH,
PMIP6_ATT_LEN,
dissect_pmip6_opt_att
},
{
MIP6_LLA, /* 26 Link-local Address Option [RFC5213 */
"Link-local Address",
&ett_pmip6_opt_lla,
OPT_LEN_FIXED_LENGTH,
PMIP6_LLA_LEN,
dissect_pmip6_opt_lla
},
{
MIP6_TS, /* 27 Timestamp */
"Timestamp",
&ett_pmip6_opt_ts,
OPT_LEN_FIXED_LENGTH,
PMIP6_TS_LEN,
dissect_pmip6_opt_ts
},
{
MIP6_RC, /* 28 Restart Counter [RFC5847] */
"Restart Counter",
&ett_pmip6_opt_rc,
OPT_LEN_FIXED_LENGTH,
PMIP6_RC_LEN,
dissect_pmip6_opt_rc
},
{
MIP6_IPV4HA, /* 29 IPv4 Home Address [RFC5555] */
"IPv4 Home Address",
&ett_mip6_opt_ipv4ha,
OPT_LEN_FIXED_LENGTH,
MIP6_IPV4HA_LEN,
dissect_pmip6_opt_ipv4ha
},
{
MIP6_IPV4AA, /* 30 IPv4 Address Acknowledgement [RFC5555] */
"IPv4 Address Acknowledgement",
&ett_mip6_opt_ipv4aa,
OPT_LEN_FIXED_LENGTH,
MIP6_IPV4AA_LEN,
dissect_pmip6_opt_ipv4aa
},
{
MIP6_GREK, /* 33 GRE Key Option [RFC5845] */
"GRE Key",
&ett_pmip6_opt_grek,
OPT_LEN_FIXED_LENGTH,
PMIP6_GREK_LEN,
dissect_pmip6_opt_grek
},
{
MIP6_IPV4HAREQ, /* 36 IPv4 Home Address Request [RFC5844] */
"IPv4 Home Address Request",
&ett_mip6_opt_ipv4hareq,
OPT_LEN_FIXED_LENGTH,
MIP6_IPV4HAREQ_LEN,
dissect_pmip6_opt_ipv4hareq
},
{
MIP6_IPV4HAREP, /* 37 IPv4 Home Address Reply [RFC5844] */
"IPv4 Home Address Reply",
&ett_mip6_opt_ipv4harep,
OPT_LEN_FIXED_LENGTH,
MIP6_IPV4HAREP_LEN,
dissect_pmip6_opt_ipv4harep
},
{
MIP6_IPV4DRA, /* 38 IPv4 Default-Router Address [RFC5844] */
"IPv4 Default-Router Address",
&ett_mip6_opt_ipv4dra,
OPT_LEN_FIXED_LENGTH,
MIP6_IPV4DRA_LEN,
dissect_pmip6_opt_ipv4dra
},
};
#define N_MIP6_OPTS (sizeof mip6_opts / sizeof mip6_opts[0])
/* Like "dissect_ip_tcp_options()", but assumes the length of an option
* *doesn't* include the type and length bytes. The option parsers,
* however, are passed a length that *does* include them.
*/
static void
dissect_mipv6_options(tvbuff_t *tvb, int offset, guint length,
const ip_tcp_opt *opttab, int nopts, int eol,
packet_info *pinfo, proto_tree *opt_tree)
{
proto_item *ti;
guchar opt;
const ip_tcp_opt *optp;
opt_len_type len_type;
unsigned int optlen;
const char *name;
char name_str[7+1+1+2+2+1+1]; /* "Unknown (0x%02x)" */
void (*dissect)(const struct ip_tcp_opt *, tvbuff_t *,
int, guint, packet_info *, proto_tree *);
guint len;
while (length > 0) {
opt = tvb_get_guint8(tvb, offset);
for (optp = &opttab[0]; optp < &opttab[nopts]; optp++) {
if (optp->optcode == opt)
break;
}
if (optp == &opttab[nopts]) {
/* We assume that the only OPT_LEN_NO_LENGTH options are Pad1 options,
* so that we can treat unknown options as OPT_LEN_VARIABLE_LENGTH with a
* minimum of 0, and at least be able to move on to the next option
* by using the length in the option.
*/
optp = NULL; /* indicate that we don't know this option */
len_type = OPT_LEN_VARIABLE_LENGTH;
optlen = 0;
g_snprintf(name_str, sizeof name_str, "Unknown (0x%02x)", opt);
name = name_str;
dissect = NULL;
} else {
len_type = optp->len_type;
optlen = optp->optlen;
name = optp->name;
dissect = optp->dissect;
}
--length; /* account for type byte */
if (len_type != OPT_LEN_NO_LENGTH) {
/* Option has a length. Is it in the packet? */
if (length == 0) {
/* Bogus - packet must at least include
* option code byte and length byte!
*/
proto_tree_add_text(opt_tree, tvb, offset, 1,
"%s (length byte past end of options)", name);
return;
}
len = tvb_get_guint8(tvb, offset + 1); /* Size specified in option */
--length; /* account for length byte */
if (len > length) {
/* Bogus - option goes past the end of the header. */
proto_tree_add_text(opt_tree, tvb, offset, length,
"%s (option length = %u byte%s says option goes past end of options)",
name, len, plurality(len, "", "s"));
return;
} else if (len_type == OPT_LEN_FIXED_LENGTH && len != optlen) {
/* Bogus - option length isn't what it's supposed to be for this
option. */
proto_tree_add_text(opt_tree, tvb, offset, len + 2,
"%s (with option length = %u byte%s; should be %u)", name,
len, plurality(len, "", "s"), optlen);
return;
} else if (len_type == OPT_LEN_VARIABLE_LENGTH && len < optlen) {
/* Bogus - option length is less than what it's supposed to be for
this option. */
proto_tree_add_text(opt_tree, tvb, offset, len + 2,
"%s (with option length = %u byte%s; should be >= %u)", name,
len, plurality(len, "", "s"), optlen);
return;
} else {
ti = proto_tree_add_item(opt_tree, hf_mip6_mobility_opt, tvb, offset, 1, ENC_BIG_ENDIAN);
if (optp == NULL) {
proto_item *expert_item;
proto_item_append_text(ti, "(%u byte%s)",len, plurality(len, "", "s"));
expert_item = proto_tree_add_text(opt_tree, tvb, offset+2, len, "IE data not dissected yet");
expert_add_info_format(pinfo, expert_item, PI_PROTOCOL, PI_NOTE, "IE data not dissected yet");
PROTO_ITEM_SET_GENERATED(expert_item);
} else {
if (dissect != NULL) {
/* Option has a dissector. */
if (opt == MIP6_MHLLA)
(*dissect)(optp, tvb, offset,
len + 2 + FMIP6_LLA_OPTCODE_LEN, pinfo, opt_tree);
else
(*dissect)(optp, tvb, offset, len + 2, pinfo, opt_tree);
}
}
/* RFC4068 Section 6.4.4
* Length The size of this option in octets not including the
* Type, Length, and Option-Code fields.
*/
if (opt == MIP6_MHLLA)
offset += len + 2 + FMIP6_LLA_OPTCODE_LEN;
else
offset += len + 2;
}
if (opt == MIP6_MHLLA)
length -= (len + FMIP6_LLA_OPTCODE_LEN);
else
length -= len;
} else {
proto_tree_add_text(opt_tree, tvb, offset, 1, "%s", name);
offset += 1;
}
if (opt == eol)
break;
}
}
/* Function to dissect mobility options */
static int
dissect_mip6_options(tvbuff_t *tvb, proto_tree *mip6_tree, int offset, int len,
packet_info *pinfo)
{
proto_tree *opts_tree = NULL;
proto_item *ti;
if (!mip6_tree)
return len;
ti = proto_tree_add_text(mip6_tree, tvb, offset, len, "Mobility Options");
opts_tree = proto_item_add_subtree(ti, ett_mip6);
dissect_mipv6_options(tvb, offset, len, mip6_opts, N_MIP6_OPTS, -1, pinfo, opts_tree);
return len;
}
/* Function that dissects the whole MIPv6 packet */
static void
dissect_mip6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_tree *mip6_tree = NULL;
proto_item *ti;
guint8 type, pproto;
guint len, offset = 0, start_offset = offset;
/* Make entries in Protocol column and Info column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "MIPv6");
col_clear(pinfo->cinfo, COL_INFO);
len = (tvb_get_guint8(tvb, MIP6_HLEN_OFF) + 1) * 8;
pproto = tvb_get_guint8(tvb, MIP6_PROTO_OFF);
if (tree) {
ti = proto_tree_add_item(tree, proto_mip6, tvb, 0, len, ENC_NA);
mip6_tree = proto_item_add_subtree(ti, ett_mip6);
/* Process header fields */
proto_tree_add_uint_format(mip6_tree, hf_mip6_proto, tvb,
MIP6_PROTO_OFF, 1,
tvb_get_guint8(tvb, MIP6_PROTO_OFF),
"Payload protocol: %s (0x%02x)",
ipprotostr(
tvb_get_guint8(tvb, MIP6_PROTO_OFF)),
tvb_get_guint8(tvb, MIP6_PROTO_OFF));
proto_tree_add_uint_format(mip6_tree, hf_mip6_hlen, tvb,
MIP6_HLEN_OFF, 1,
tvb_get_guint8(tvb, MIP6_HLEN_OFF),
"Header length: %u (%u bytes)",
tvb_get_guint8(tvb, MIP6_HLEN_OFF),
len);
proto_tree_add_item(mip6_tree, hf_mip6_mhtype, tvb,
MIP6_TYPE_OFF, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mip6_tree, hf_mip6_reserved, tvb,
MIP6_RES_OFF, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(mip6_tree, hf_mip6_csum, tvb,
MIP6_CSUM_OFF, 2, ENC_BIG_ENDIAN);
}
/* Process mobility header */
type = tvb_get_guint8(tvb, MIP6_TYPE_OFF);
switch (type) {
case MIP6_BRR:
/* Binding Refresh Request */
offset = dissect_mip6_brr(tvb, mip6_tree, pinfo);
break;
case MIP6_HOTI:
/* Home Test Init */
offset = dissect_mip6_hoti(tvb, mip6_tree, pinfo);
break;
case MIP6_MHCOTI:
/* Care-of Test Init */
offset = dissect_mip6_coti(tvb, mip6_tree, pinfo);
break;
case MIP6_HOT:
/* Home Test */
offset = dissect_mip6_hot(tvb, mip6_tree, pinfo);
break;
case MIP6_MHCOT:
/* Care-of Test */
offset = dissect_mip6_cot(tvb, mip6_tree, pinfo);
break;
case MIP6_BU:
/* Binding Update */
offset = dissect_mip6_bu(tvb, mip6_tree, pinfo);
if (proto_nemo == 1) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NEMO");
}
break;
case MIP6_BA:
/* Binding Acknowledgement */
offset = dissect_mip6_ba(tvb, mip6_tree, pinfo);
if (proto_nemo == 1) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NEMO");
}
break;
case MIP6_BE:
/* Binding Error */
offset = dissect_mip6_be(tvb, mip6_tree, pinfo);
break;
case MIP6_FBU:
/* Fast Binding Update */
offset = dissect_fmip6_fbu(tvb, mip6_tree, pinfo);
break;
case MIP6_FBACK:
/* Fast Binding Acknowledgment */
offset = dissect_fmip6_fback(tvb, mip6_tree, pinfo);
break;
case MIP6_FNA:
/* Fast Neighbor Advertisement */
offset = dissect_fmip6_fna(tvb, mip6_tree, pinfo);
break;
case MIP6_HB:
/* Heartbeat */
offset = dissect_mip6_hb(tvb, mip6_tree, pinfo);
break;
case MIP6_BR:
/* Binding Revocation Indication / Acknowledge */
offset = dissect_pmip6_bri(tvb, mip6_tree, pinfo);
break;
default:
dissect_mip6_unknown(tvb, mip6_tree, pinfo);
offset = len;
break;
}
/* Process mobility options */
if (offset < len) {
if (len < (offset - start_offset)) {
proto_tree_add_text(tree, tvb, 0, 0, "Bogus header length");
return;
}
len -= (offset - start_offset);
dissect_mip6_options(tvb, mip6_tree, offset, len, pinfo);
}
if (type == MIP6_FNA && pproto == IP_PROTO_IPV6) {
tvbuff_t *ipv6_tvb;
ipv6_tvb = tvb_new_subset_remaining(tvb, len + 8);
/* Call the IPv6 dissector */
dissector_try_uint(ip_dissector_table, pproto, ipv6_tvb, pinfo, tree);
col_set_str(pinfo->cinfo, COL_INFO, "Fast Neighbor Advertisement[Fast Binding Update]");
}
}
/* Register the protocol with Wireshark */
void
proto_register_mip6(void)
{
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_mip6_proto, { "Payload protocol", "mip6.proto",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_hlen, { "Header length", "mip6.hlen",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_mhtype, { "Mobility Header Type", "mip6.mhtype",
FT_UINT8, BASE_DEC, VALS(mip6_mh_types), 0,
NULL, HFILL }},
{ &hf_mip6_reserved, { "Reserved", "mip6.reserved",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_csum, { "Checksum", "mip6.csum",
FT_UINT16, BASE_HEX, NULL, 0,
"Header Checksum", HFILL }},
{ &hf_mip6_hoti_cookie, { "Home Init Cookie", "mip6.hoti.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_coti_cookie, { "Care-of Init Cookie", "mip6.coti.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_hot_nindex, { "Home Nonce Index", "mip6.hot.nindex",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_hot_cookie, { "Home Init Cookie", "mip6.hot.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_hot_token, { "Home Keygen Token", "mip6.hot.token",
FT_UINT64, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_cot_nindex, { "Care-of Nonce Index", "mip6.cot.nindex",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_cot_cookie, { "Care-of Init Cookie", "mip6.cot.cookie",
FT_UINT64, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_cot_token, { "Care-of Keygen Token", "mip6.cot.token",
FT_UINT64, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_bu_seqnr, { "Sequence number", "mip6.bu.seqnr",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_bu_a_flag, { "Acknowledge (A) flag", "mip6.bu.a_flag",
FT_BOOLEAN, 16, TFS(&mip6_bu_a_flag_value),
0x8000, NULL, HFILL }},
{ &hf_mip6_bu_h_flag, { "Home Registration (H) flag",
"mip6.bu.h_flag",
FT_BOOLEAN, 16, TFS(&mip6_bu_h_flag_value),
0x4000, NULL, HFILL }},
{ &hf_mip6_bu_l_flag, { "Link-Local Compatibility (L) flag",
"mip6.bu.l_flag",
FT_BOOLEAN, 16, TFS(&mip6_bu_l_flag_value),
0x2000, "Home Registration (H) flag", HFILL }},
{ &hf_mip6_bu_k_flag, { "Key Management Compatibility (K) flag",
"mip6.bu.k_flag",
FT_BOOLEAN, 16, TFS(&mip6_bu_k_flag_value),
0x1000, NULL,
HFILL }},
{ &hf_mip6_bu_m_flag, { "MAP Registration Compatibility (M) flag",
"mip6.bu.m_flag",
FT_BOOLEAN, 16, TFS(&mip6_bu_m_flag_value),
0x0800, NULL,
HFILL }},
{ &hf_mip6_nemo_bu_r_flag, { "Mobile Router (R) flag",
"mip6.nemo.bu.r_flag",
FT_BOOLEAN, 16, TFS(&mip6_nemo_bu_r_flag_value),
0x0400, NULL,
HFILL }},
{ &hf_pmip6_bu_p_flag, { "Proxy Registration (P) flag",
"mip6.bu.p_flag",
FT_BOOLEAN, 16, TFS(&pmip6_bu_p_flag_value),
0x0200, NULL,
HFILL }},
{ &hf_mip6_bu_f_flag, { "Forcing UDP encapsulation (F) flag",
"mip6.bu.f_flag",
FT_BOOLEAN, 16, TFS(&mip6_bu_f_flag_value),
0x0100, NULL,
HFILL }},
{ &hf_pmip6_bu_t_flag, { "TLV-header format (T) flag",
"mip6.bu.t_flag",
FT_BOOLEAN, 16, TFS(&pmip6_bu_t_flag_value),
0x0080, NULL,
HFILL }},
{ &hf_mip6_bu_lifetime, { "Lifetime", "mip6.bu.lifetime",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_ba_status, { "Status", "mip6.ba.status",
FT_UINT8, BASE_DEC,
VALS(mip6_ba_status_value), 0,
"Binding Acknowledgement status", HFILL }},
{ &hf_mip6_ba_k_flag, { "Key Management Compatibility (K) flag",
"mip6.ba.k_flag",
FT_BOOLEAN, 8, TFS(&mip6_bu_k_flag_value),
0x80, NULL,
HFILL }},
{ &hf_mip6_nemo_ba_r_flag, { "Mobile Router (R) flag",
"mip6.nemo.ba.r_flag",
FT_BOOLEAN, 8, TFS(&mip6_nemo_bu_r_flag_value),
0x40, NULL,
HFILL }},
{ &hf_pmip6_ba_p_flag, { "Proxy Registration (P) flag",
"mip6.ba.p_flag",
FT_BOOLEAN, 8, TFS(&pmip6_bu_p_flag_value),
0x20, NULL,
HFILL }},
{ &hf_pmip6_ba_t_flag, { "TLV-header format (T) flag",
"mip6.ba.t_flag",
FT_BOOLEAN, 8, TFS(&pmip6_bu_t_flag_value),
0x10, NULL,
HFILL }},
{ &hf_mip6_ba_seqnr, { "Sequence number", "mip6.ba.seqnr",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_ba_lifetime, { "Lifetime", "mip6.ba.lifetime",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_be_status, { "Status", "mip6.be.status",
FT_UINT8, BASE_DEC,
VALS(mip6_be_status_value), 0,
"Binding Error status", HFILL }},
{ &hf_mip6_be_haddr, { "Home Address", "mip6.be.haddr",
FT_IPv6, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_fmip6_fbu_seqnr, { "Sequence number", "fmip6.fbu.seqnr",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_fmip6_fbu_a_flag, { "Acknowledge (A) flag", "fmip6.fbu.a_flag",
FT_BOOLEAN, 8, TFS(&fmip6_fbu_a_flag_value),
0x80, NULL, HFILL }},
{ &hf_fmip6_fbu_h_flag, { "Home Registration (H) flag",
"fmip6.fbu.h_flag",
FT_BOOLEAN, 8, TFS(&fmip6_fbu_h_flag_value),
0x40, NULL, HFILL }},
{ &hf_fmip6_fbu_l_flag, { "Link-Local Compatibility (L) flag",
"fmip6.fbu.l_flag",
FT_BOOLEAN, 8, TFS(&fmip6_fbu_l_flag_value),
0x20, "Home Registration (H) flag", HFILL }},
{ &hf_fmip6_fbu_k_flag, { "Key Management Compatibility (K) flag",
"fmip6.fbu.k_flag",
FT_BOOLEAN, 8, TFS(&fmip6_fbu_k_flag_value),
0x10, NULL,
HFILL }},
{ &hf_fmip6_fbu_lifetime, { "Lifetime", "fmip6.fbu.lifetime",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_fmip6_fback_status, { "Status", "fmip6.fback.status",
FT_UINT8, BASE_DEC,
VALS(fmip6_fback_status_value), 0,
"Fast Binding Acknowledgement status", HFILL }},
{ &hf_fmip6_fback_k_flag, { "Key Management Compatibility (K) flag",
"fmip6.fback.k_flag",
FT_BOOLEAN, 8, TFS(&fmip6_fbu_k_flag_value),
0x80, NULL,
HFILL }},
{ &hf_fmip6_fback_seqnr, { "Sequence number", "fmip6.fback.seqnr",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_fmip6_fback_lifetime, { "Lifetime", "fmip6.fback.lifetime",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_hb_u_flag, { "Unsolicited (U) flag", "mip6.hb.u_flag",
FT_BOOLEAN, 8, TFS(&mip6_hb_u_flag_value),
0x02, NULL, HFILL }},
{ &hf_mip6_hb_r_flag, { "Response (R) flag", "mip6.hb.r_flag",
FT_BOOLEAN, 8, TFS(&mip6_hb_r_flag_value),
0x01, NULL, HFILL }},
{ &hf_mip6_hb_seqnr, { "Sequence number", "mip6.hb.seqnr",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_bra_interval, { "Refresh interval", "mip6.bra.interval",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_acoa_acoa, { "Alternate care-of address", "mip6.acoa.acoa",
FT_IPv6, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_ni_hni, { "Home nonce index", "mip6.ni.hni",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_ni_cni, { "Care-of nonce index", "mip6.ni.cni",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_bad_auth, { "Authenticator", "mip6.bad.auth",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_fmip6_lla_optcode, { "Option-Code", "mip6.lla.optcode",
FT_UINT8, BASE_DEC, VALS(fmip6_lla_optcode_value), 0,
NULL, HFILL }},
{ &hf_mip6_nemo_mnp_pfl, { "Mobile Network Prefix Length", "mip6.nemo.mnp.pfl",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_nemo_mnp_mnp, { "Mobile Network Prefix", "mip6.nemo.mnp.mnp",
FT_IPv6, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_mip6_mnid_subtype, { "Subtype", "mip6.mnid.subtype",
FT_UINT8, BASE_DEC, VALS(mip6_mnid_subtype_value), 0,
NULL, HFILL }},
{ &hf_mip6_vsm_vid, { "VendorId", "mip6.vsm.vendorId",
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x0,
NULL, HFILL }},
{ &hf_mip6_vsm_subtype, { "Subtype", "mip6.vsm.subtype",
FT_UINT8, BASE_DEC, VALS(mip6_vsm_subtype_value), 0,
NULL, HFILL }},
{ &hf_mip6_vsm_subtype_3gpp, { "Subtype", "mip6.vsm.subtype",
FT_UINT8, BASE_DEC, VALS(mip6_vsm_subtype_3gpp_value), 0,
NULL, HFILL }},
{ &hf_pmip6_hi_opttype, { "Handoff Indicator Option type", "mip6.hi",
FT_UINT8, BASE_DEC, VALS(pmip6_hi_opttype_value), 0,
NULL, HFILL }},
{ &hf_pmip6_att_opttype, { "Access Technology Type Option type", "mip6.att",
FT_UINT8, BASE_DEC, VALS(pmip6_att_opttype_value), 0,
NULL, HFILL }},
{ &hf_pmip6_timestamp, { "Timestamp", "mip6.timestamp",
FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0, NULL, HFILL }},
{ &hf_pmip6_opt_lila_lla, { "Link-local Address", "mip6.lila_lla",
FT_IPv6, BASE_NONE, NULL, 0x0, "", HFILL }},
{ &hf_pmip6_rc, { "Restart Counter", "mip6.rc",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL}},
{ &hf_mip6_ipv4ha_preflen, { "Prefix-len", "mip6.ipv4ha.preflen",
FT_UINT8, BASE_DEC, NULL, 0xfc,
NULL, HFILL}},
{ &hf_mip6_ipv4ha_p_flag, { "mobile network prefix (P) flag", "mip6.ipv4ha.p_flag",
FT_BOOLEAN, 16, TFS(&mip6_ipv4ha_p_flag_value), 0x0200,
NULL, HFILL }},
{ &hf_mip6_ipv4ha_ha, { "IPv4 Home Address", "mip6.ipv4ha.ha",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mip6_ipv4aa_status, { "Status", "mip6.ipv4aa.sts",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL}},
{ &hf_pmip6_gre_key, { "GRE Key", "mip6.gre_key",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL}},
{ &hf_mip6_ipv4dra_dra, { "IPv4 Default-Router Address", "mip6.ipv4dra.dra",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_mip6_mobility_opt, { "Mobility Options", "mip6.mobility_opt",
FT_UINT8, BASE_DEC, VALS(mip6_mobility_options), 0,
NULL, HFILL }},
{ &hf_pmip6_bri_brtype, { "B.R. Type", "mip6.bri_br.type",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
{ &hf_pmip6_bri_rtrigger, { "R. Trigger", "mip6.bri_r.trigger",
FT_UINT8, BASE_DEC, VALS(pmip6_bri_rtrigger), 0x0, NULL, HFILL }},
{ &hf_pmip6_bri_status, { "Status", "mip6.bri_status",
FT_UINT8, BASE_DEC, VALS(pmip6_bri_status), 0x0, NULL, HFILL }},
{ &hf_pmip6_bri_seqnr, { "Sequence Number", "mip6.bri_seqnr",
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
{ &hf_pmip6_bri_ip_flag, { "Proxy Binding (P) Flag", "mip6.bri_ip",
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
0x80, NULL, HFILL }},
{ &hf_pmip6_bri_ia_flag, { "Acknowledge (A) Flag", "mip6.bri_ia",
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
0x40, NULL, HFILL }},
{ &hf_pmip6_bri_ig_flag, { "Global (G) Flag", "mip6.bri_ig",
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
0x20, NULL, HFILL }},
{ &hf_pmip6_bri_ap_flag, { "Proxy Binding (P) Flag", "mip6.bri_ap",
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
0x80, NULL, HFILL }},
{ &hf_pmip6_bri_ag_flag, { "Global (G) Flag", "mip6.bri_ag",
FT_BOOLEAN, 8, TFS(&tfs_set_notset),
0x40, NULL, HFILL }},
{ &hf_pmip6_bri_res, { "Reserved: 1 byte", "mip6.bri_res",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_mip6,
&ett_mip6_opt_padn,
&ett_mip6_opt_bra,
&ett_mip6_opt_acoa,
&ett_mip6_opt_ni,
&ett_mip6_opt_bad,
&ett_fmip6_opt_lla,
&ett_mip6_nemo_opt_mnp,
&ett_mip6_opt_mnid,
&ett_mip6_opt_vsm,
&ett_mip6_opt_ssm,
&ett_pmip6_opt_hnp,
&ett_pmip6_opt_hi,
&ett_pmip6_opt_att,
&ett_pmip6_opt_lla,
&ett_pmip6_opt_ts,
&ett_pmip6_opt_rc,
&ett_mip6_opt_ipv4ha,
&ett_mip6_opt_ipv4aa,
&ett_pmip6_opt_grek,
&ett_mip6_opt_ipv4hareq,
&ett_mip6_opt_ipv4harep,
&ett_mip6_opt_ipv4dra,
};
/* Register the protocol name and description */
proto_mip6 = proto_register_protocol("Mobile IPv6 / Network Mobility", "MIPv6", "mipv6");
/* Register the dissector by name */
/* register_dissector("mipv6", dissect_nemo, proto_nemo); */
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_mip6, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_mip6(void)
{
dissector_handle_t mip6_handle;
/* mip6_handle = find_dissector("mipv6"); */
mip6_handle = create_dissector_handle(dissect_mip6, proto_mip6);
dissector_add_uint("ip.proto", IP_PROTO_MIPV6_OLD, mip6_handle);
dissector_add_uint("ip.proto", IP_PROTO_MIPV6, mip6_handle);
/* Add support for PMIPv6 control messages over IPV4 */
dissector_add_uint("udp.port", UDP_PORT_PMIP6_CNTL, mip6_handle);
ip_dissector_table = find_dissector_table("ip.proto");
}
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