/* packet-mip6.c * * $Id$ * * Definitions and Routines for Mobile IPv6 dissection (RFC 3775) * Copyright 2003 Oy L M Ericsson Ab * * FMIPv6 (RFC 4068) support added by Martin Andre * Copyright 2006, Nicolas DICHTEL - 6WIND - * * Modifications for NEMO packets (RFC 3963): Bruno Deniaud * (bdeniaud@irisa.fr, nono@chez.com) 12 Oct 2005 * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include /* 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); ip_dissector_table = find_dissector_table("ip.proto"); }